1 2012-05-04 Richard Guenther <rguenther@suse.de>
3 * common.opt (flto-report): Do not mark as Optimization.
5 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
8 * recog.c (constrain_operands): If extra constraints are present, also
9 accept pseudo-registers with equivalent memory locations during reload.
11 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
13 Backport from the mainline
14 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
17 * config/rs6000/rs6000.md (bswapdi splitters): If
18 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
19 default) is used, generate an alternate sequence that does not
20 depend on using indexed addressing.
22 2012-05-03 David S. Miller <davem@davemloft.net>
25 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
26 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
27 (sparc_emit_float_lib_cmp): Likewise.
29 2012-05-04 Martin Jambor <mjambor@suse.cz>
31 Backport from mainline
32 2012-05-02 Martin Jambor <mjambor@suse.cz>
35 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
36 of a variable when the contect is a function.
38 2012-05-03 Jakub Jelinek <jakub@redhat.com>
41 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
42 append program name to it and pass that as first argument
43 to make_relative_prefix. Always pass standard_libexec_prefix
44 as last argument to make_relative_prefix. If
45 make_relative_prefix returns NULL, fall back to
46 standard_libexec_prefix.
49 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
53 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
54 mode, return that mode.
56 2012-05-03 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/53144
59 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
61 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
63 (vn_reference_lookup_3): Adjust callers.
65 2012-05-02 Jakub Jelinek <jakub@redhat.com>
67 PR tree-optimization/53163
68 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
69 return value from compute_all_dependences.
71 PR rtl-optimization/53160
72 * ree.c (combine_reaching_defs): Handle the case where cand->insn
73 has been modified by ree pass already.
75 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
77 Backport from mainline
78 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
81 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
82 calls to cgraph_node_name in xstrdup.
83 (ipa_make_edge_direct_to_target): Ditto.
84 * tree-sra.c (convert_callers_for_node): Ditto.
85 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
86 * ipa-cp.c (perhaps_add_new_callers): Ditto.
87 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
88 (cgraph_materialize_all_clones): Ditto.
89 * ipa-inline.c (report_inline_failed_reason): Ditto.
90 (want_early_inline_function_p): Ditto.
91 (edge_badness): Ditto.
92 (update_edge_key): Ditto.
93 (flatten_function): Ditto.
95 (inline_always_inline_functions): Ditto.
96 (early_inline_small_functions): Ditto.
98 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
100 Backport from mainline
101 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
103 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
104 Introduce emul_name to select the right linker emulation for
105 powerpc64-*-freebsd*.
106 * configure: Regenerate.
107 * config.gcc: Add bits to support powerpc64-*-freebsd*.
108 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
109 * config/rs6000/freebsd64.h: New file.
110 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
112 (rs6000_savres_strategy): Likewise.
113 (rs6000_savres_routine_name): Likewise.
114 (rs6000_elf_file_end): Likewise.
115 * config/rs6000/t-freebsd64: New file.
116 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
117 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
119 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
121 Backport from mainline
122 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
125 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
127 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
129 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
130 predicate to discriminate types.
132 2012-04-27 Richard Guenther <rguenther@suse.de>
135 * convert.c (convert_to_integer): Avoid infinite recursion for
136 target-defined built-in types.
138 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
141 * config/cris/cris.md ("*andhi_lowpart_v32")
142 ("*andqi_lowpart_v32"): Change first input-only operand from
143 a (match_operand ...) to (match_dup 0). Drop alternatives with
144 const_int-matching constraints for redundancy.
145 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
146 three-operand alternative.
148 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
150 Backport from mainline
151 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
153 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
154 (*addsi_2_zext): Ditto.
155 (*add<mode>_3): Ditto.
156 (*addsi_3_zext): Ditto.
157 (*add<mode>_5): Ditto.
159 2012-04-25 Jakub Jelinek <jakub@redhat.com>
162 * c-typeck.c (set_nonincremental_init,
163 set_nonincremental_init_from_string): Pass true instead of false
164 as IMPLICIT to add_pending_init.
166 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
168 Backport from 2012-04-24 mainline r186768.
171 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
173 2012-04-24 Richard Guenther <rguenther@suse.de>
175 PR tree-optimization/53085
176 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
179 2012-04-24 Jakub Jelinek <jakub@redhat.com>
182 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
184 (output_addressed_constants): Likewise.
187 * varasm.c (get_section): Don't ICE for section conflicts with
188 built-in section kinds.
190 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
192 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
194 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
196 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
198 2012-04-23 Richard Guenther <rguenther@suse.de>
201 * c-typeck.c (build_binary_op): Fix typo.
203 2012-04-23 Jakub Jelinek <jakub@redhat.com>
205 PR tree-optimizations/52891
206 * tree-vect-patterns.c (adjust_bool_pattern): Use
207 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
208 but with non-standard precision.
210 2012-04-22 Ian Lance Taylor <iant@google.com>
212 * godump.c (go_output_typedef): Dump size of structs.
214 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
216 Backport from mainline:
218 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
219 hints for 'A' operand types.
221 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
223 Backport from 2012-04-19 mainline r186588.
226 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
229 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
231 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
233 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
236 * config/i386/sync.md (atomic_<code><mode>): Rename to
237 atomic_<logic><mode>.
239 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
241 Backport from mainline
242 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
245 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
246 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
247 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
248 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
249 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
250 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
251 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
252 gen_avx2_permvarv8sf.
254 2012-04-16 Martin Jambor <mjambor@suse.cz>
256 Backported from mainline
258 2012-04-13 Martin Jambor <mjambor@suse.cz>
261 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
262 fold_ctor_reference returns a zero constant.
264 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
266 Backported from mainline
267 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
269 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
270 and __ILP32__ for x32.
272 2012-04-13 Tom de Vries <tom@codesourcery.com>
274 Backport from mainline r186418.
276 2012-04-13 Tom de Vries <tom@codesourcery.com>
278 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
279 parameters vuse and vuse_escaped.
280 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
281 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
284 2012-04-13 Richard Guenther <rguenther@suse.de>
286 PR tree-optimization/52969
287 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
288 the condition for the COND_EXPR and handle predicate negation
289 by swapping the COND_EXPR arms.
291 2012-04-13 Richard Guenther <rguenther@suse.de>
294 * convert.c (convert_to_pointer): Remove special-casing of
297 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
299 Backport from mainline
300 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
303 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
304 the list of options to enable the FCFID instruction.
305 (TARGET_EXTRA_BUILTINS): Adjust comment.
307 2012-04-12 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/52943
310 * tree-chrec.h (chrec_is_positive): Remove.
311 * tree-scalar-evolution.c (chrec_is_positive): Move ...
312 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
313 Return false for a constant zero instead of negative.
314 (analyze_siv_subscript_cst_affine): Handle zero difference
315 in the initial condition explicitely.
317 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
320 * varasm.c (process_pending_assemble_externals): Set
321 pending_assemble_externals_processed true.
322 (assemble_external): Call assemble_external_real if the pending
323 assemble externals have been processed.
325 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
328 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
329 the DECL generated for the special GOT helper.
331 2012-04-06 Walter Lee <walt@tilera.com>
333 Backport from mainline
334 2012-03-07 Walter Lee <walt@tilera.com>
336 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
337 REG_CFA_* notes for the stack pointer.
338 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
339 EH_RETURN_STACKADJ_RTX.
340 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
341 generate REG_CFA_* notes for the stack pointer.
342 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
343 by EH_RETURN_STACKADJ_RTX.
345 2012-04-06 Matt Turner <mattst88@gmail.com>
347 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
349 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
351 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
352 of the destination isn't also a FP_REGS register.
354 2012-04-03 Richard Guenther <rguenther@suse.de>
356 Backport from mainline
357 2012-03-02 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/52406
360 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
361 (struct indices): Add unconstrained_base member.
362 (struct dr_alias): Remove unused vops member.
363 (DR_UNCONSTRAINED_BASE): New define.
364 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
365 add indices to allow their disambiguation. Make DR_BASE_OBJECT
366 be an artificial access that covers the whole indexed object,
367 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
368 plain decl base-objects to their MEM_REF variant.
369 (dr_may_alias_p): When the base-object of either data reference
370 has unknown size use only points-to information.
371 (compute_affine_dependence): Make dumps easier to read and
373 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
374 DR_REF when looking for packed references.
375 (vect_supportable_dr_alignment): Likewise.
377 2012-04-03 Richard Guenther <rguenther@suse.de>
379 Backport from mainline
380 2012-03-15 Richard Guenther <rguenther@suse.de>
383 * tree-data-ref.c (subscript_dependence_tester_1): Check
384 all dimensions for non-conflicting access functions.
386 2012-04-03 Richard Guenther <rguenther@suse.de>
388 Backport from mainline
389 2012-03-06 Richard Guenther <rguenther@suse.de>
392 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
394 2012-03-23 Richard Guenther <rguenther@suse.de>
396 PR tree-optimization/52678
397 * tree-vectorizer.h (struct _stmt_vec_info): Add
398 loop_phi_evolution_part member.
399 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
400 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
401 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
402 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
403 Use the cached evolution part and the PHI nodes value from
404 the loop preheader edge instead of re-analyzing the evolution.
406 2012-03-26 Richard Guenther <rguenther@suse.de>
408 PR tree-optimization/52701
409 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
410 compute and set the evolution part of PHI nodes.
412 2012-03-30 Richard Guenther <rguenther@suse.de>
414 PR tree-optimization/52754
415 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
416 propagate arbitrary addresses into really plain dereferences.
418 2012-04-03 Jakub Jelinek <jakub@redhat.com>
420 PR tree-optimization/52835
421 * tree-data-ref.c (build_rdg): Return NULL if
422 compute_data_dependences_for_loop failed.
424 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
426 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
427 (stmt_can_make_abnormal_goto): Use it.
428 (is_ctrl_altering_stmt): Likewise.
430 2012-03-31 Martin Jambor <mjambor@suse.cz>
432 Backported from mainline
433 2012-03-30 Martin Jambor <mjambor@suse.cz>
435 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
436 is a builtin_stack_save in a dominating BB.
438 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
440 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
441 crossing 128bit lane boundary.
443 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
445 Backported from mainline
446 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
449 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
451 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
452 * config/i386/i386.c: Include reload.h.
453 (ix86_legitimize_reload_address): New function.
455 2012-03-28 Martin Jambor <mjambor@suse.cz>
457 Backported from mainline
458 2012-03-27 Martin Jambor <mjambor@suse.cz>
461 * tree-sra.c (sra_modify_assign): Do not call
462 load_assign_lhs_subreplacements when working with an unscalarizable
465 2012-03-28 Jakub Jelinek <jakub@redhat.com>
468 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
469 __builtin_va_start to __builtin_next_arg if the latter is
470 builtin_decl_explicit_p rather than when it is not.
473 * tree-vect-generic.c (vector_element): Perform multiplication
474 for pos in bitsizetype type instead of idx type.
476 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
478 Backport from 2012-03-28 mainline r185910.
481 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
482 (avr_builtin_decl): New static function.
483 (struct avr_builtin_description, avr_bdesc): Move up.
484 Add GTY marker. Add field fndecl. Remove redundant field id.
485 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
486 (avr_expand_builtin): Code cleanup because .id is removed.
488 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
491 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
494 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
496 Backport from 2012-03-28 mainline r185907.
499 * config.gcc (tm_file): Remove avr/multilib.h.
501 * doc/invoke.texi (AVR Options): Adjust
502 documentation of -mtiny-stack.
504 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
505 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
506 * config/avr/t-avr: Remove generation of multilib.h.
507 * config/avr/t-multilib: Regenerate.
508 * config/avr/multilib.h: Remove.
509 * config/avr/avr.opt (-msp8): New option.
510 (avr_sp8): New variable.
511 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
512 * config/avr/avr.h (AVR_HAVE_SPH): New define.
513 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
514 (avr_device_to_sp8): New prototype.
515 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
516 (DRIVER_SELF_SPECS): New define.
517 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
518 __AVR_SP8__, __AVR_HAVE_SPH__.
519 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
520 AVR_HAVE_8BIT_SP to decide if SP_H is present.
521 (avr_file_start): Ditto.
523 2012-03-28 Jakub Jelinek <jakub@redhat.com>
526 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
527 instead of 8 in adjust_address.
529 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
531 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
532 of a unit before computing the offset in units.
534 2012-03-27 Richard Guenther <rguenther@suse.de>
537 * fold-const.c (try_move_mult_to_index): Handle &x.array more
540 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
543 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
545 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
548 * varasm.c: Include pointer-set.h.
549 (pending_assemble_externals_set): New pointer set.
550 (process_pending_assemble_externals): Destroy the pointer set.
551 (assemble_external): See if decl is in pending_assemble_externals_set,
552 and add it to pending_assemble_externals if necessary.
553 (init_varasm_once): Allocate pending_assemble_externals_set.
555 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
557 Backported from mainline
558 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
561 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
562 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
563 (vector_ltgt<mode>): Likewise.
564 (vector_ordered<mode>): Likewise.
565 (vector_unordered<mode>): Likewise.
566 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
568 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
570 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
573 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
575 Backported from mainline
576 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
580 * config/sh/sh.c (sh_register_move_cost): Increase cost between
581 GENERAL_REGS and FP_REGS for SImode.
583 2012-03-22 Jakub Jelinek <jakub@redhat.com>
586 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
587 on any new_local_var_chain vars declared during recursing on
588 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
590 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
592 Backport from 2012-03-22 mainline r185692.
595 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
596 (unspecv): Add UNSPECV_MEMORY_BARRIER.
597 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
598 (delay_cycles_1, delay_cycles_2): Ditto.
599 (delay_cycles_3, delay_cycles_4): Ditto.
600 (nopv, *nopv): Ditto.
601 (sleep, *sleep): Ditto.
604 Backport from 2012-03-21 mainline r185605.
606 PR rtl-optimization/52543
608 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
609 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
610 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
611 (avr_load_libgcc_p): Restrict to __flash loads.
612 (avr_out_lpm): Only handle 1-byte loads from __flash.
613 (avr_load_lpm): New function.
614 (avr_find_unused_d_reg): Remove.
615 (avr_out_lpm_no_lpmx): Remove.
616 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
617 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
618 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
619 (load_<mode>, load_<mode>_clobber): New insns.
620 (mov<mode>): For multi-byte move from non-generic
621 16-bit address spaces: Expand to load_<mode> resp.
623 (load<mode>_libgcc): Remove expander.
624 (split-lpmx): Remove split.
626 Backport from 2012-03-13 mainline r185329.
629 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
630 offset (size) to a value the insns can deal with.
631 (expand_epilogue): Ditto.
633 Backport from 2012-03-12 mainline r185256.
636 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
637 type from reg_class_t to enum reg_class.
638 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
640 Backport from 2012-03-12 mainline r185253.
643 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
644 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
645 r184615 from 2012-02-28.
647 Backport from 2012-03-08 mainline r185105.
649 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
650 for constants in [-63,63].
652 Backport from 2012-03-08 mainline r185100.
655 * config/avr/avr.c (avr_mem_clobber): New static function.
656 (avr_expand_delay_cycles): Add memory clobber operand to
657 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
658 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
659 (enable_interrupt, disable_interrupt): New expander.
660 (nopv, sleep, wdr): New expanders.
661 (delay_cycles_1): Add memory clobber.
662 (delay_cycles_2): Add memory clobber.
663 (delay_cycles_3): Add memory clobber.
664 (delay_cycles_4): Add memory clobber.
665 (cli_sei): New insn from former "enable_interrupt",
666 "disable_interrupt" with memory clobber.
667 (*wdt): New insn from former "wdt" with memory clobber.
668 (*nopv): Similar, but for "nopv".
669 (*sleep): Similar, but for "sleep".
671 Backport from 2012-03-07 mainline r185043.
674 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
676 Backport from 2012-03-07 mainline r185032.
679 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
680 to: RAMPZ, RAMPY, RAMPX, RAMPD.
681 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
683 Backport from 2012-03-07 mainline r185031.
686 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
688 * config/avr/avr.md (xload_8): Adjust insn length.
690 Backport from 2012-03-07 mainline r185030.
693 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
694 if RAMPZ affects reading from RAM.
696 Backport from 2012-03-05 mainline r184919.
698 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
700 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
702 Backport from mainline r185259.
705 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
706 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
708 2012-03-22 Jakub Jelinek <jakub@redhat.com>
710 Backported from mainline
711 2012-03-13 Jakub Jelinek <jakub@redhat.com>
714 * c-parser.c (c_parser_postfix_expression)
715 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
717 * config/i386/smmintrin.h: Avoid /* within a comment.
718 * config/i386/nmmintrin.h: Likewise.
720 2012-03-22 Richard Guenther <rguenther@suse.de>
722 * BASE-VER: Set to 4.7.1.
723 * DEV-PHASE: Set to prerelease.
725 2012-03-22 Release Manager
727 * GCC 4.7.0 released.
729 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
731 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
733 2012-03-15 Jakub Jelinek <jakub@redhat.com>
734 Andrew Pinski <apinski@cavium.com>
737 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
738 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
739 calls instead of __builtin_ir{int,ound}*.
741 2012-03-14 Jakub Jelinek <jakub@redhat.com>
744 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
747 2012-03-13 Joseph Myers <joseph@codesourcery.com>
749 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
750 Refer to GCC 4.7 version of c99status.html.
752 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
754 Backport from mainline
755 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
757 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
758 redefine to be NULL if the current bit-size is different from the
761 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
762 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
763 set the default tuning. Add asserts to make sure the cpu and tune
764 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
765 test whether the index is set, instead of > 0.
766 (rs6000_file_start): Do not reset the default cpu if the current
767 bit-size is different from the configured bit-size.
769 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
771 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
773 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
774 Update binutils references.
775 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
776 Update binutils reference.
777 Update Sun as/GNU ld caveat.
778 Document binutils largefile requirement for LTO plugin.
779 Remove reference to alternate libpthread.
781 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
783 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
785 (Specific, mips-sgi-irix6): Likewise.
787 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
789 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
790 * configure: Regenerate.
792 2012-03-07 Richard Henderson <rth@redhat.com>
794 * config/m68k/m68k.h (ISA_HAS_TAS): New.
795 * config/m68k/sync.md (atomic_test_and_set): Use it.
796 (atomic_test_and_set_1): Likewise.
798 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
801 * Makefile.in: Let install-gcc-ar depend on installdirs,
802 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
803 Don't double canonicalize if cross-compiling.
805 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
807 * trans-mem.c: New typedef for tm_region_p.
808 Define vector types for tm_region_p.
809 (tm_region_init): Replace region_worklist to a vector called
812 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
815 * trans-mem.c (tm_region_init): Use last_basic_block.
817 2012-03-05 Richard Henderson <rth@redhat.com>
820 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
821 * omp-low.c (expand_omp_atomic): Assume anything aligned to
822 BIGGEST_ALIGNMENT is aligned.
824 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
826 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
828 2012-03-05 Richard Henderson <rth@redhat.com>
831 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
832 instead of calling negqi2 directly.
834 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
836 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
837 (INTMAX_TYPE): Use it.
838 (UINTMAX_TYPE): Likewise.
839 (SUBTARGET_OVERRIDE_OPTIONS): Define.
840 (irix6_c_common_override_options): Declare.
841 (C_COMMON_OVERRIDE_OPTIONS): Define.
842 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
843 * config/mips/irix6-c.c: New file.
844 * config/mips/t-irix6 (irix6-c.o): New target.
845 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
848 2012-03-02 Richard Henderson <rth@redhat.com>
850 * optabs.c (expand_atomic_test_and_set): Honor
851 atomic_test_and_set_trueval even when atomic_test_and_set
854 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
856 Backport from mainline
857 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
859 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
861 2012-03-02 Richard Guenther <rguenther@suse.de>
863 * DEV-PHASE: Set to prerelease.
865 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
867 * config.gcc (obsolete): Add all ARM targets using the FPA.
868 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
869 * doc/install.texi: Avoid references to obsolete ARM ports.
871 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
873 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
875 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
876 Joern Rennecke <joern.rennecke@embecosm.com>
878 * doc/extend.texi: Expand and update information on interrupt
879 attribute for Epiphany.
881 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
883 * config/sh/sh-protos.h: Update copyright notice dates.
884 * config/sh/sh.h: Likewise.
885 * config/sh/sh.md: Likewise.
886 * config/sh/constraints.md: Likewise.
887 * config/sh/predicates.md: Likewise.
889 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
891 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
892 * config/sh/sh.c (tertiary_reload_operand): Likewise.
894 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
896 * config/sh/constraints.md: Fix comment typo.
898 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
901 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
902 unsigned HOST_WIDE_INT.
903 (zvdep_imm64): Likewise.
904 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
905 (vdepi_and): Likewise.
906 Likewise for unamed 64-bit patterns.
907 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
909 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
912 PR rtl-optimization/52417
913 * cselib.c (cselib_any_perm_equivs): New variable.
914 (cselib_reset_table): Check that it's not set when not
915 preserving constants.
916 (cselib_add_permanent_equiv): Set it.
917 (cselib_have_permanent_equivalences): New.
918 (cselib_init, cselib_finish): Reset it.
919 * cselib.h (cselib_have_permanent_equivalences): Declare.
920 * alias.c (get_addr): Restore earlier behavior when there
921 aren't permanent equivalences.
923 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
925 * config/mn10300/mn10300-modes.def: Fix copyright notice.
926 * config/v850/v850-modes.def: Fix copyright notice.
928 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
930 * doc/extend.texi (AVR Built-in Functions): Document
931 __builtin_avr_flash_segment.
933 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
934 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
935 (*split.flash_segment): New insn-and-split.
936 * config/avr/avr.c (avr_init_builtins): Add local variables:
937 const_memx_void_node, const_memx_ptr_type_node,
938 char_ftype_const_memx_ptr.
940 2012-03-01 Jakub Jelinek <jakub@redhat.com>
942 PR tree-optimization/52445
943 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
944 add ssa_name_ver, offset and size fields and change store field
946 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
947 (add_or_mark_expr): Likewise. Only consider previous stores
948 with the same size and offset.
949 (nt_init_block): Only look at gimple_assign_single_p stmts,
950 doesn't look at rhs2.
952 2012-03-01 Richard Guenther <rguenther@suse.de>
955 * tree-cfg.c (verify_gimple_assign_unary): Allow any
956 conversions from integral types to pointer types.
958 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
960 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
961 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
962 unintentionally removed in r184616.
964 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
966 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
969 2012-02-29 Jakub Jelinek <jakub@redhat.com>
970 Uros Bizjak <ubizjak@gmail.com>
973 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
974 alternatives, add "e" constraint to the new last alternative
975 and ! to last 3 alternatives.
977 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
979 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
980 DW_AT_artificial attributes at the end of the processing.
981 (gen_array_type_die): Likewise.
982 (gen_enumeration_type_die): Likewise.
983 (gen_struct_or_union_type_die): Likewise.
984 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
987 2012-02-29 Jakub Jelinek <jakub@redhat.com>
990 * expr.c (expand_assignment): If doing misaligned store that doesn't
991 cover all mode bits, perform a RMW cycle.
993 PR tree-optimization/52429
994 * tree-parloops.c (separate_decls_in_region_debug): Return early
995 if var is LABEL_DECL.
997 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
999 PR tree-optimization/52424
1000 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1001 calling dom_thread_across_edge.
1003 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1005 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1007 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1009 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1010 * config/avr/avr.c (avr_output_bld): Remove unused function.
1011 (avr_out_sbxx_branch): Use "%T" to print bit position.
1013 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1015 * config/avr/avr.md: Untabify.
1017 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1019 * config/avr/avr.md (eqne): New code iterator.
1020 (*dec-and-branchsi): Use it in text peephole's condition.
1021 (*dec-and-branchhi): Ditto.
1022 (*dec-and-branchqi): Ditto.
1024 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1027 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1028 the device does not have the skip-bug.
1030 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1032 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1033 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1034 -mpretend-cmove): New.
1036 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1039 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1040 doesn't count DEBUG_INSN refs.
1041 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1042 for DEBUG_INSN refs.
1044 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1048 2012-02-20 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/52298
1050 * tree-vect-stmts.c (vectorizable_load): Properly use
1051 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1054 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1057 * gimple.h (gimple_in_transaction): New.
1058 (gimple_set_in_transaction): New.
1059 (struct gimple_statement_base): Add in_transaction field.
1060 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1062 (tree_ssa_lim_initialize): Compute transaction bits.
1063 * tree.h (compute_transaction_bits): Protoize.
1064 * trans-mem.c (tm_region_init): Use the heap to store BB
1066 (compute_transaction_bits): New.
1068 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1070 * gcc.c (display_help): Document --help=common and sort entries
1073 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1075 * doc/install.texi: Document check-$LANG specific shortcuts
1077 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1080 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1082 * config/arm/arm_neon.h: Regenerate.
1083 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1084 (neon_vcgeu): New insn.
1085 (neon_vcgtu): Likewise.
1086 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1087 (ops): Unsigned comparison intrinsics call a different
1090 2012-02-28 Richard Guenther <rguenther@suse.de>
1093 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1094 ordering for the VEC_CONCAT for two element vectors for
1095 V2SFmode, V2SImode and V2DImode.
1097 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1100 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1101 detecting big-endian triplets.
1103 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1105 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1106 mode if there is no type information available.
1108 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1110 PR tree-optimization/53207
1111 * doc/invoke.texi: Document as experimental and relying on graphite.
1113 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1115 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1116 of initializer to changes from r184614.
1118 2012-02-28 Richard Guenther <rguenther@suse.de>
1120 PR tree-optimization/52395
1121 * tree-sra.c (build_ref_for_offset): Also look at the base
1122 TYPE_ALIGN when figuring out the alignment of the replacement.
1124 2012-02-28 Richard Guenther <rguenther@suse.de>
1126 PR tree-optimization/52402
1127 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1128 mis-aligned types when creating the accesses at the call site.
1130 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1132 * config/avr/builtins.def: New file.
1133 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1134 * config/avr/avr.c (enum avr_builtin_id): Use it.
1135 (avr_init_builtins): Use it. And use avr_bdesc.
1136 (bdesc_1arg): Remove.
1137 (bdesc_2arg): Remove.
1138 (bdesc_3arg): Remove.
1139 (struct avr_builtin_description): Add field n_args.
1140 (avr_bdesc): New static variable using builtins.def.
1141 (avr_expand_builtin): Use it.
1142 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1143 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1144 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1146 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1149 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1150 match only one single hard register with respective hard reg rtx.
1151 (movmemx_<mode>): Ditto.
1152 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1153 insn anatomy of movmem[x]_<mode>.
1154 (avr_out_movmem): Same for printing assembler and operand usage.
1156 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1160 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1161 address spaces located outside of device flash.
1163 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1164 (mcu_type_s): Add field n_flash.
1165 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1166 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1167 (AVR_MCU): Add N_FLASH argument.
1168 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1169 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1170 macro __FLASH<n> if that address space makes sense for the device.
1171 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1172 outside of target flash.
1173 (avr_asm_named_section): Ditto.
1174 (avr_asm_select_section): Ditto.
1175 (avr_addr_space_convert): Ditto.
1176 (avr_emit_movmemhi): Ditto.
1177 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1178 address space is outside of device flash.
1179 (avr_insert_attributes): Ditto.
1180 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1181 avr_current_arch->n_segments.
1183 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1186 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1188 (*movabs<mode>_2): Likewise.
1190 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1193 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1194 s_register_operand in the test instead of REG_P. Don't call
1195 gen_reg_rtx if it won't be used.
1197 PR tree-optimization/52376
1198 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1200 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1202 * ifcvt.c (noce_get_condition): Check condition variable is not
1203 small_register_classes_for_mode_p before accepting.
1205 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1207 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1209 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1212 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1213 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1215 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1217 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1219 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1221 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1223 * config/sh/predicates.md: Remove blank lines.
1224 * config/sh/sh.c: Fix typos in comments.
1225 * config/sh/constraints.md: Likewise.
1226 * config/sh/sh.md: Remove blank lines.
1227 Fix typos in comments. Use ;; as comment characters.
1229 2012-02-26 Walter Lee <walt@tilera.com>
1231 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1232 (replace_mov_pcrel_step2): Ditto.
1234 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1237 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1238 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1239 and locs that reference values newer than the non-canonical value
1240 at hand. Return the canonical value as a worst case.
1241 (memrefs_conflict_p): Walk canonical value's locs.
1244 * cselib.c (preserve_only_constants): Rename to...
1245 (preserve_constants_and_equivs): ... this. Split out...
1246 (invariant_or_equiv_p): ... this. Preserve plus expressions
1247 of other preserved expressions too.
1248 (cselib_reset_table): Adjust.
1249 * var-tracking.c (reverse_op): Use canonical value to build
1252 2012-02-23 Kai Tietz <ktietz@redhat.com>
1254 * config/i386/i386.c (ix86_delegitimize_address): Handle
1255 UNSPEC_PCREL plus displacement.
1257 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1260 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1261 to test for unusedness in st X addressing.
1263 2012-02-24 Richard Guenther <rguenther@suse.de>
1266 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1267 (is_gimple_reg_type): Move inline ...
1268 * gimple.h (is_gimple_reg_type): ... here.
1270 2012-02-24 Richard Guenther <rguenther@suse.de>
1273 * passes.c (execute_function_todo): When verifying SSA form
1274 verify gimple form first.
1275 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1277 2012-02-24 Richard Guenther <rguenther@suse.de>
1280 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1281 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1283 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1285 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1287 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1289 * tree-phinodes.c (make_phi_node): Mark static.
1290 * tree-flow.h (make_phi_node): Remove extern decl.
1291 * doc/gimple.texi (make_phi_node): Remove documentation.
1293 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1295 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1296 * tree-ssa-sccvn.c (print_scc): Ditto.
1298 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1300 * doc/passes.texi (Full redundancy elimination): Fix typo.
1302 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1304 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1306 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1309 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1311 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1314 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1316 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1318 * config/avr/avr.md (code_stdname): Add ior, xor.
1319 (xior): New code iterator.
1320 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1321 (*<code_stdname><mode>qi.byte1-3): Ditto.
1323 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1325 PR tree-optimization/52019
1326 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1329 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1331 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1332 HAVE_INITFINI_ARRAY to work around namespace pollution in
1333 certain versions of newlib system headers.
1334 * config.in: Regenerate.
1335 * configure: Regenerate.
1336 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1337 instead of HAVE_INITFINI_ARRAY.
1339 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1342 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1343 is not offsettable memory reference.
1345 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1348 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1349 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1351 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1353 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1354 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1356 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1358 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1359 library on Solaris 8 even without TLS support.
1360 * configure: Regenerate.
1362 2012-02-22 Richard Guenther <rguenther@suse.de>
1365 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1366 for GIMPLE_DEBUG stmts.
1368 2012-02-22 Martin Jambor <mjambor@suse.cz>
1371 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1372 according to the base object.
1374 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1376 PR rtl-optimization/50063
1377 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1378 and 2 (8-bit SP) in operand 2.
1379 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1380 setup to use movhi_sp_r instead of vanilla move to write SP.
1381 Adjust REG_CFA notes to superseed unspec.
1382 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1384 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1385 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1386 irq_state 1 (IRQ known to be on) here.
1388 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1390 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1392 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1393 assign_hard_reg): Likewise.
1395 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1397 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1399 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1402 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1403 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1405 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1407 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1408 prototype from here to...
1409 * config/avr/avr.h: ...here.
1411 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1414 * thumb2.md (thumb2_shiftsi3_short): Split register and
1415 immediate shifts. For register shifts tie operands 0 and 1.
1416 (peephole2 for above): Check that register-controlled shifts
1417 have suitably tied operands.
1419 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1422 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1423 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1424 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1425 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1426 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1427 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1428 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1429 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1430 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1431 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1432 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1433 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1434 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1435 bdver1_ssevector_avx256_unaligned_load,
1436 bdver1_ssevector_sse128_unaligned_load,
1437 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1438 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1439 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1440 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1441 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1442 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1443 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1444 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1445 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1446 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1447 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1448 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1449 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1450 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1451 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1452 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1453 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1454 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1455 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1456 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1457 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1458 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1459 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1460 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1461 bdver1_ssediv_double_load, bdver1_ssediv_double,
1462 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1463 Add "bdver2" attribute.
1465 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1467 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1468 default if possible and not specified otherwise.
1470 2012-02-21 Richard Guenther <rguenther@suse.de>
1473 * gimplify.c (create_tmp_from_val): Use the main variant type
1474 for the type of the temporary we create.
1476 2012-02-21 Richard Guenther <rguenther@suse.de>
1478 PR tree-optimization/52324
1479 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1480 do not gimplify a MEM_REF address operand if it is already
1483 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1485 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1486 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1488 2012-02-21 Richard Guenther <rguenther@suse.de>
1490 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1491 nested_in_vect_loop.
1493 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1495 PR tree-optimization/52318
1496 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1497 vdef also to non-pure/const call stmts in the sequence.
1499 2012-02-20 David S. Miller <davem@davemloft.net>
1501 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1502 don't use the "rd %pc" instruction on v9 for PIC register loads.
1504 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1507 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1508 in a transaction safe function.
1510 2012-02-20 Kai Tietz <ktietz@redhat.com>
1513 * stor-layout.c (place_field): Handle desired_align for
1516 2012-02-20 Richard Guenther <rguenther@suse.de>
1518 PR tree-optimization/52298
1519 * tree-vect-stmts.c (vectorizable_store): Properly use
1520 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1522 (vectorizable_load): Likewise.
1523 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1524 Access DR_STEP after ensuring it is not NULL.
1526 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1528 PR tree-optimization/52286
1529 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1530 optimization use double_int_to_tree instead of build_int_cst_wide,
1531 rewrite to use double_int vars.
1533 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1536 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1538 Remove -e 0 from $gcc_cv_ld invocation.
1539 Only use __GLIBC_PREREQ if defined.
1540 Enable on Solaris since Solaris 8 patch.
1541 (gcc_SUN_LD_VERSION): New macro.
1542 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1543 gcc_SUN_LD_VERSION for version number format.
1544 * configure: Regenerate.
1545 * varasm.c (get_elf_initfini_array_priority_section): Set
1546 SECTION_NOTYPE for non-default priority.
1547 Use get_section instead of get_unnamed_section to emit
1548 .init_array/.fini_array with default priority.
1550 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1552 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1553 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1554 (mips_start_unique_function, mips_output_mips16_rdhwr)
1555 (mips_code_end): New functions.
1556 (TARGET_ASM_CODE_END): Define.
1558 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1560 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1561 to stubs with non-sibling calls.
1563 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1565 * doc/invoke.texi (-fira-* options): Copy-edit.
1566 (ira-* parameters): Copy-edit.
1568 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1570 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1571 GCC coding conventions.
1573 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1575 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1576 when used as adjectives.
1578 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1580 * doc/invoke.texi: Clean up "that"/"which" confusion.
1582 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1584 * system.h: Poison SMALL_REGISTER_CLASSES
1585 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1586 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1588 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1590 PR tree-optimization/52285
1591 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1592 when deciding if a call is a tail call or tail recursion.
1594 2012-02-16 Kai Tietz <ktietz@redhat.com>
1596 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1597 interger-constant displacement for UNSPEC_PCREL.
1599 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1601 PR rtl-optimization/52208
1602 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1603 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1605 PR tree-optimization/52255
1606 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1607 loop->header has virtual PHI, but exit_e->dest doesn't, add
1608 virtual PHI to exit_e->dest and adjust all uses after the loop.
1611 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1612 children with clone_tree_hash, not after it.
1614 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1616 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1617 extended identifiers.
1619 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1622 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1623 a same_body_alias, also test whether e->callee isn't a former
1624 or current clone of the decl this is a same body alias of.
1626 PR translation/52264
1627 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1629 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1631 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1633 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1636 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1637 force_reg instead of copy_to_reg for better optimization. Force
1638 non-register or memory operands into a register.
1640 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1642 * extend.texi: Reserve upper bits of memory model for future use.
1644 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1645 Anatoly Sokolov <aesok@post.ru>
1646 Eric Weddington <eric.weddington@atmel.com>
1649 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1650 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1651 Rewrite initializers for .macro.
1652 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1653 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1654 atxmega32d4, atxmega32x1.
1655 avrxmega4: atxmega64a3, atxmega64d3.
1656 avrxmega5: atxmega64a1, atxmega64a1u.
1657 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1658 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1659 avrxmega7: atxmega128a1, atxmega128a1u.
1660 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1661 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1662 (struct base_arch_s): Rename reserved to xmega_p.
1663 Rename reserved2 to have_rampd.
1664 (AVR_XMEGA): New define.
1665 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1666 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1667 * config/avr/predicates.md (io_address_operand): Take into
1669 (low_io_address_operand): Ditto.
1670 (high_io_address_operand): Ditto.
1671 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1672 (enabled, movhi_sp_r): Use them.
1673 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1674 cpp_define_formatted to built-in define __AVR_ARCH__.
1675 (__AVR_XMEGA__): New built-in define.
1676 (__AVR_HAVE_RAMPD__): New built-in define.
1677 (__AVR_HAVE_RAMPX__): New built-in define.
1678 (__AVR_HAVE_RAMPY__): New built-in define.
1679 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1681 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1682 (avr_option_override): Initialize them.
1683 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1684 (avr_init_expanders): Initialize them. No more block several calls.
1685 (emit_push_sfr): New static function.
1686 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1688 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1689 (avr_print_operand): Print addreeses as symbols for
1690 RAMPX, RAMPY, RAMPD, CCP.
1691 (output_movhi): Handle AVR_XMEGA when writing to SP.
1692 (avr_out_movhi_mr_r_xmega): New static function.
1693 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1694 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1695 __RAMPD__, __CCP__ as needed.
1697 * config/avr/multilib.h: Regenerate.
1698 * config/avr/t-multilib: Regenerate.
1699 * config/avr/avr-tables.opt: Regenerate.
1701 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1703 PR tree-optimization/50561
1704 * graphite-flattening.c (lst_project_loop): Do not
1705 remove old scattering dimensions after flattening.
1706 (lst_do_flatten): Likewise.
1708 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1710 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1711 __builtin_avr_map8, __builtin_avr_map16.
1712 Document __builtin_avr_insert_bits.
1714 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1715 (insert_bits): New insn.
1716 (adjust_len.map_bits): Rename to insert_bits.
1717 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1718 * avr-protos.h (avr_out_map_bits): Remove.
1719 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1720 * config/avr/constraints.md (Cxf,C0f): New.
1721 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1722 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1723 New built-in define __BUILTIN_AVR_INSERT_BITS.
1724 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1725 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1726 (avr_move_bits): Rewrite.
1727 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1729 (avr_map_op_t): New typedef.
1730 (avr_map_op): New static variable.
1731 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1732 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1733 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1734 (bdesc_3arg, avr_expand_triop_builtin): New.
1735 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1736 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1737 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1738 (avr_map_equal_p, avr_map_sig_p): Remove.
1739 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1740 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1741 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1742 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1743 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1744 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1746 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1748 * config/c6x/c6x.md (reserve_cycles): New attribute.
1749 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1750 don't reserve functional units after the branch occurs.
1752 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1755 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1756 functions into non-tm_pure functions.
1758 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1761 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1762 (iterative_hash_canonical_type): Likewise.
1763 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1766 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1768 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1769 sched-group insn, it either remains alone or the entire list is pruned.
1771 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1773 * doc/install.texi (Prerequisites): Fix grammar.
1774 (Configuration): Likewise.
1776 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1778 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1779 MPC as part of GCC before describing configuring with --with-gmp etc.
1780 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1781 sources are present.
1783 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1786 * dwarf2out.c (clone_tree_hash): New function.
1787 (copy_decls_walk): Use it instead of clone_tree.
1789 2012-02-14 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/52244
1792 PR tree-optimization/51528
1793 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1794 replacements for integral types.
1796 2012-02-14 Walter Lee <walt@tilera.com>
1798 * config.gcc: Handle tilegx and tilepro.
1799 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1801 Add HAVE_AS_TLS check for tilegx and tilepro.
1802 * configure: Regenerate.
1803 * doc/contrib.texi: Add Mat Hostetter and self.
1804 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1805 Document instruction intrinsics and network accessing intrinsics.
1806 (TILEPro Built-in Functions): New node. Document instruction
1807 intrinsics and network accessing intrinsics.
1808 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1809 (Specific, tilepro-*-linux*): Likewise.
1810 * doc/invoke.texi (TILE-Gx Options): New section.
1811 (TILEPro Options): New section.
1812 * doc/md.texi (TILE-Gx): New section.
1813 (TILEPro): New section.
1814 * common/config/tilegx/tilegx-common.c: New file.
1815 * common/config/tilepro/tilepro-common.c: New file.
1816 * config/tilegx/constraints.md: New file.
1817 * config/tilegx/linux.h: New file.
1818 * config/tilegx/mul-tables.c: New file.
1819 * config/tilegx/predicates.md: New file.
1820 * config/tilegx/sync.md: New file.
1821 * config/tilegx/t-tilegx: New file.
1822 * config/tilegx/tilegx-builtins.h: New file.
1823 * config/tilegx/tilegx-c.c: New file.
1824 * config/tilegx/tilegx-generic.md: New file.
1825 * config/tilegx/tilegx-modes.def: New file.
1826 * config/tilegx/tilegx-multiply.h: New file.
1827 * config/tilegx/tilegx-protos.h: New file.
1828 * config/tilegx/tilegx.c: New file.
1829 * config/tilegx/tilegx.h: New file.
1830 * config/tilegx/tilegx.md: New file.
1831 * config/tilegx/tilegx.opt: New file.
1832 * config/tilepro/constraints.md: New file.
1833 * config/tilepro/gen-mul-tables.cc: New file.
1834 * config/tilepro/linux.h: New file.
1835 * config/tilepro/mul-tables.c: New file.
1836 * config/tilepro/predicates.md: New file.
1837 * config/tilepro/t-tilepro: New file.
1838 * config/tilepro/tilepro-builtins.h: New file.
1839 * config/tilepro/tilepro-c.c: New file.
1840 * config/tilepro/tilepro-generic.md: New file.
1841 * config/tilepro/tilepro-modes.def: New file.
1842 * config/tilepro/tilepro-multiply.h: New file.
1843 * config/tilepro/tilepro-protos.h: New file.
1844 * config/tilepro/tilepro.c: New file.
1845 * config/tilepro/tilepro.h: New file.
1846 * config/tilepro/tilepro.md: New file.
1847 * config/tilepro/tilepro.opt: New file.
1849 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1851 PR tree-optimization/52210
1852 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1853 vect_model_simple_cost with two entry vect_def_type array instead
1854 of an address of dt.
1856 2012-02-14 Richard Guenther <rguenther@suse.de>
1859 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1860 Do not stream DECL_QUALIFIER.
1861 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1862 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1863 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1865 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1868 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1871 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1874 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1875 * cselib.c (cselib_subst_to_values_from_insn): New function.
1876 * sched-deps.c (add_insn_mem_dependence,
1877 sched_analyze_1, sched_analyze_2): Use it.
1879 2012-02-13 Jan Hubicka <jh@suse.cz>
1882 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1884 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1886 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1887 (GTM_SELF_SPECS): Define if not already defined.
1888 (driver_self_specs): Add GTM_SELF_SPECS.
1889 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1890 (GTM_SELF_SPECS): Define.
1891 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1892 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1894 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1896 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1899 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1902 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1903 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1905 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1908 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1910 2012-02-13 Richard Guenther <rguenther@suse.de>
1912 PR translation/52211
1913 * passes.c (enable_disable_pass): Fix typo.
1915 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1918 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1919 XOR for reduce_bit_field if type is unsigned.
1921 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1923 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1924 disallow changes from SFmode to mode with different size in FP regs.
1926 2012-02-12 Robert Millan <rmh@gnu.org>
1927 Gerald Pfeifer <gerald@pfeifer.com>
1929 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1932 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1934 PR rtl-optimization/52175
1935 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1936 to frame-related instructions.
1938 2012-02-10 Jason Merrill <jason@redhat.com>
1941 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1942 (demangle_new_symbols): Fill it.
1943 (scan_linker_output): Walk it.
1944 (start_tweaking): Split out from scan_linker_output.
1945 (maybe_tweak): Update sym->chosen.
1946 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1948 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1951 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1953 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1955 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1956 having the same mode as previous compare.
1958 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1960 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1961 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1962 (nonlocal_goto_internal): Likewise.
1963 (nonlocal_goto): Emit a use and an indirect jump directly.
1965 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1968 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1969 __atomic_{is,always}_lock_free.
1971 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1974 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1975 negative constant address for x32.
1977 2012-02-10 Richard Henderson <rth@redhat.com>
1979 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1980 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1981 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1983 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1984 Ira Rosen <irar@il.ibm.com>
1986 PR tree-optimization/50031
1987 * targhooks.c (default_builtin_vectorization_cost): Handle
1989 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1990 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1991 all types of reduction and pattern statements.
1992 (vect_estimate_min_profitable_iters): Likewise.
1993 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1994 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1995 for explicit realigns.
1996 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1997 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1999 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2000 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2001 vec_perm for VSX and handle vec_promote_demote.
2003 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2006 * builtins.c (fold_builtin_atomic_always_lock_free,
2007 expand_builtin_atomic_always_lock_free,
2008 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2009 Return and/or test boolean_true_node/boolean_false_node instead of
2010 integer_one_node/integer_zero_node.
2012 2012-02-10 Jan Hubicka <jh@suse.cz>
2015 * predict.c (predict_paths_for_bb): Prevent looping.
2016 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2018 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2020 * config/arm/arm.c (output_move_double): In one case properly
2021 count number of instructions that will be emitted.
2023 2012-02-10 Richard Guenther <rguenther@suse.de>
2025 PR translation/52193
2026 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2028 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2031 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2033 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2036 * var-tracking.c (emit_note_insn_var_location): If
2037 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2038 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2039 non-NOTE_DURING_CALL_P insn.
2041 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2044 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2046 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2049 * gcc.c (switch_matches) Support switches with separated form,
2052 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2054 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2056 (RAMPZ_ADDR): Ditto.
2057 * config/avr/avr.c (avr_addr_t): New typedef.
2058 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2059 (avr_init_expanders): Initialize it.
2060 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2062 (expand_epilogue): Ditto.
2063 (avr_print_operand): Ditto.
2064 (avr_file_start): Ditto.
2065 (avr_emit_movmemhi): Ditto.
2067 2012-02-08 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/46886
2070 * tree-flow.h (do_while_loop_p): Declare.
2071 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2072 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2074 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2076 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2077 always succeed for integers larger than a native word.
2079 2012-02-08 Richard Guenther <rguenther@suse.de>
2081 PR rtl-optimization/52170
2082 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2083 properly handle integer vector modes.
2085 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2087 PR gcov-profile/52150
2088 * coverage.c: Include target.h.
2089 (build_var): Call targetm.strip_name_encoding on the assembler name.
2090 Change one _ into . or $ if the target allows it.
2091 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2093 PR rtl-optimization/52139
2094 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2095 is a BARRIER after emit_insn_after_noloc, move BB_END
2096 to the last non-BARRIER insn before it.
2098 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2101 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2102 (mips_gimplify_va_arg_expr): Call it instead of
2103 std_gimplify_va_arg_expr.
2105 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2107 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2108 message for -mno-pointers-to-nested-function.
2110 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2113 * expr.c (get_inner_reference): If there is an offset, add a negative
2114 bit position to it (if any).
2116 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2118 PR rtl-optimization/52060
2119 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2120 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2121 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2122 and/or i0src_copy2 when needed.
2124 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2126 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2127 or LTOPLUGINSONAME if have_c.
2129 * config/freebsd-spec.h: Add comment about what macros can be defined
2131 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2132 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2135 2012-02-07 Richard Guenther <rguenther@suse.de>
2137 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2138 newline in -alias dumps.
2140 2012-02-07 Kai Tietz <ktietz@redhat.com>
2141 Dave Korn <dave.korn.cygwin@gmail.com>
2144 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2145 Take care that typinfo gets dllexport-attribute.
2147 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2150 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2151 if modifier < EXPAND_SUM call force_operand on the result.
2153 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2155 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2156 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2158 (epiphany_function_type): Replace types for specific interrupts with
2159 EPIPHANY_FUNCTION_INTERRUPT.
2160 (EPIPHANY_INTERRUPT_P): Update.
2161 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2162 New static function.
2163 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2164 <disinterrupt>: Affects type identity.
2165 (epiphany_handle_interrupt_attribute): Handle variable number of
2167 (epiphany_compute_function_type): Update for new
2168 epiphany_function_type definition.
2169 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2170 handlers with a longcall forwarder.
2171 (epiphany_start_function): Handle multiple interrupt arguments and/or
2172 forwarder_section attribute.
2174 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2177 2012-02-07 Alan Modra <amodra@gmail.com>
2180 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2183 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2185 PR tree-optimization/50969
2186 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2187 use vec_perm rather than vector_stmt.
2188 (vect_model_load_cost): Likewise.
2189 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2190 vec_perm to be the same as other vector statements.
2191 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2192 cost of vec_perm for TARGET_VSX.
2194 2012-02-06 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/52115
2197 * tree-sra.c (access_has_replacements_p): New function.
2198 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2200 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2203 * trans-mem.c (expand_call_tm): Add an assertion.
2204 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2207 2012-02-06 Richard Guenther <rguenther@suse.de>
2209 PR tree-optimization/50955
2210 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2211 raise cost of expressions that replace an address with an
2212 expression based on a different pointer.
2214 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2217 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2218 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2220 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2223 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2224 -Weffc++ and specify guidelines come from second edition.
2226 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2228 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2229 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2230 (call_direct_split, call_value_split, call_value_internal_direct)
2231 (call_value_direct_split, call_value_multiple_split): Use jal and
2232 jal_macro attributes.
2234 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2236 * reload1.c (reload_regs_reach_end_p): Replace with...
2237 (reload_reg_rtx_reaches_end_p): ...this function.
2238 (new_spill_reg_store): Update commentary.
2239 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2240 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2241 before setting new_spill_reg_store.
2242 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2243 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2244 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2245 for non-spill reload registers.
2247 2012-02-05 Ira Rosen <irar@il.ibm.com>
2249 PR tree-optimization/52091
2250 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2251 (vect_is_simple_use_1): Likewise.
2252 * tree-vect-loop.c (vectorizable_reduction): Update calls
2253 to vect_is_simple_use_1 and vect_is_simple_use.
2254 (vectorizable_live_operation): Likewise.
2255 * tree-vect-patterns.c (widened_name_p,
2256 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2257 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2258 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2259 vectorizable_shift,vectorizable_operation, vectorizable_store,
2260 vectorizable_load): Likewise.
2261 (vect_is_simple_cond): Add an argument, pass it to
2262 vect_is_simple_use_1.
2263 (vectorizable_condition): Update calls to vect_is_simple_cond,
2265 (vect_is_simple_use): Add an argument, the statement in which
2266 OPERAND is used. Check that if OPERAND's def stmt is a double
2267 reduction phi node, the use is a phi node too.
2268 (vect_is_simple_use_1): Add an argument, pass it to
2270 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2271 to vect_is_simple_use.
2273 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2275 PR rtl-optimization/52095
2276 * modulo-sched.c (dump_insn_locator): New function.
2277 (loop_canon_p, sms_schedule): Use it.
2279 PR rtl-optimization/52113
2280 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2281 even for decomposable shift/zext insns.
2283 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2284 Zdenek Dvorak <ook@ucw.cz>
2286 PR rtl-optimization/52092
2287 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2288 on get_iv_value result.
2290 2012-02-02 Andrew Pinski <apinski@cavium.com>
2294 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2296 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2299 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2301 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2303 PR rtl-optimization/49800
2304 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2305 (sched_finish): Call regstat_free_n_sets_and_refs.
2307 2012-02-02 Jia Liu <proljc@gmail.com>
2309 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2312 2012-02-02 Jan Hubicka <jh@suse.cz>
2313 Tom de Vries <tom@codesourcery.com>
2316 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2317 * varpool.c (varpool_analyze_pending_decls): Likewise.
2319 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2320 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2322 * config.gcc: Add cr16-* support.
2324 * doc/extend.texi: Document cr16 extensions.
2325 * doc/install.texi: Document cr16 install.
2326 * doc/invoke.texi: Document cr16 options.
2327 * doc/md.texi: Document cr16 constraints.
2329 * common/config/cr16/cr16-common.c: New file.
2330 * config/cr16/cr16.c: New file.
2331 * config/cr16/cr16.h: New file.
2332 * config/cr16/cr16.md: New file.
2333 * config/cr16/cr16.opt: New file.
2334 * config/cr16/cr16-protos.h: New file.
2335 * config/cr16/predicates.md: New file.
2336 * config/cr16/constraints.md: New file.
2337 * config/cr16/t-cr16: New file.
2339 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2342 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2343 that operands[2] is either immediate, or q_regs_operand.
2345 PR tree-optimization/52073
2346 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2347 a pattern stmt for pattern uses, ignore uses outside of the loop.
2349 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2351 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2352 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2353 (OUT_AS1, OUT_AS2): Remove.
2355 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2357 PR rtl-optimization/51374
2358 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2359 to cross other volatile_refs_p insns.
2361 2012-02-01 Richard Guenther <rguenther@suse.de>
2363 * doc/invoke.texi (fno-inline): Clarify documentation.
2364 (finline-small-functions): Likewise.
2365 (finline-functions): Likewise.
2366 * common.opt (finline): Adjust comment and documentation.
2367 (finline-small-functions): Clarify documentation.
2368 (finline-functions): Likewise.
2369 (finline-functions-called-once): Likewise.
2371 2012-02-01 Tristan Gingold <gingold@adacore.com>
2373 * c-typeck.c (composite_type): Keep mode for pointers.
2375 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2377 * function.h (regno_reg_rtx): Adjust comment.
2378 * reginfo.c (init_reg_modes_target): Only use the previous mode
2379 if it fits within one register. Remove MIPS comment.
2381 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2384 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2386 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2388 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2389 to srak instruction.
2391 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2393 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2395 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2400 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2402 2012-01-31 Richard Guenther <rguenther@suse.de>
2404 PR tree-optimization/51528
2405 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2408 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2413 * ree.c (add_removable_extension): Change def_map argument
2414 to unsigned *, store in def_map 1 + offset into *insn_list vector
2415 instead of pointers into the vector.
2416 (find_removable_extensions): Adjust caller.
2418 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2420 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2421 Transform all "* quoted-c-code" to { c-code }.
2422 Remove redundant test for "optimize" in combine patterns.
2423 Move (include "avr-dimode.md") to end of file.
2425 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2428 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2429 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2431 2012-01-30 Richard Guenther <rguenther@suse.de>
2433 PR tree-optimization/52028
2434 * tree-loop-distribution.c (ldist_gen): Properly update
2437 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2440 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2441 set_cur_line_info_table if not emitting debug info.
2443 PR tree-optimization/52046
2444 * tree-vect-patterns.c (check_bool_pattern): Give up if
2445 a comparison could throw.
2448 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2450 2012-01-30 Richard Guenther <rguenther@suse.de>
2452 PR tree-optimization/52045
2453 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2454 SSA form if cfgcleanup did anything.
2456 2012-01-30 Richard Guenther <rguenther@suse.de>
2458 PR tree-optimization/52045
2459 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2460 before computing final todo.
2462 2012-01-30 Richard Guenther <rguenther@suse.de>
2464 PR tree-optimization/51528
2465 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2468 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2470 * df-problems.c (df_kill_notes): Check that the use refers
2471 to the note under examination.
2473 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2476 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2477 parameter and use short-lived pseudos.
2478 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2479 (sparc_expand_vector_init): Const-ify local variables and adjust
2480 calls to above functions.
2482 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2484 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2486 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2488 * doc/invoke.texi: Make usage of "compile time" and
2489 "run time"/"runtime" consistent throughout the file.
2491 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2493 * config/alpha/alpha.c (alpha_option_override): Default to
2494 full IEEE compliance mode for Go language.
2496 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2498 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2499 (LINK_SSP_SPEC): Define.
2501 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2504 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2507 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2509 * doc/invoke.texi: Correct hyphenation of "floating point",
2510 "double precision", and related terminology throughout the file.
2512 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2515 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2516 arm_general_register_operand predicate for operand 2 instead of
2519 2012-01-27 Ian Lance Taylor <iant@google.com>
2522 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2523 * builtins.c (expand_builtin_init_trampoline): Add onstack
2524 parameter. Change caller.
2525 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2526 * tree.c (build_common_builtin_nodes): Declare
2527 __builtin_init_heap_trampoline.
2529 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2531 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2532 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2533 * config/avr/avr.c: Ditto.
2534 (avr_regnames): Remove because unused.
2535 * config/avr/avr.md (*cpse.ne): New peephole.
2536 (*cpse.eq): New peephole from former cpse peepholes.
2538 2012-01-27 Michael Eager <eager@eagercon.com>
2540 * config/microblaze.c (microblaze_emit_compare): Correct
2541 test after pcmp instruction.
2543 2012-01-27 Richard Guenther <rguenther@suse.de>
2545 PR tree-optimization/52020
2546 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2548 2012-01-27 Richard Guenther <rguenther@suse.de>
2550 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2551 function non-const/pure.
2553 2012-01-27 Richard Guenther <rguenther@suse.de>
2555 PR tree-optimization/50444
2556 * tree-sra.c (build_ref_for_offset): Properly adjust the
2557 MEM_REF type for unaligned accesses.
2559 2012-01-27 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/50444
2562 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2563 (expand_assignment): Use it. Properly handle misaligned
2564 bases when expanding stores to component references.
2565 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2568 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2571 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2572 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2573 * tree-data-ref.c (find_data_references_in_loop): Make static.
2574 (compute_all_dependences): Change return type to bool. Bail out
2575 for too many datarefs in a loop. Move the hunk resetting the data
2576 dependences vector from ...
2577 (compute_data_dependences_for_loop): ... here. Account for
2578 compute_all_dependences returning false.
2579 (compute_data_dependences_for_bb): Likewise.
2580 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2581 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2583 2012-01-27 Richard Guenther <rguenther@suse.de>
2586 * expr.c (store_field): Use the alias-set of the scratch memory
2589 2012-01-27 Tom de Vries <tom@codesourcery.com>
2591 PR tree-optimization/51990
2592 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2594 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2596 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2599 * var-tracking.c (reverse_op): Don't add any reverse operation
2600 if V already has any constant locations.
2602 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2604 * doc/invoke.texi: Correct usage of "command line" (noun)
2605 vs "command-line" (adjective) throughout.
2607 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2609 * doc/invoke.texi (Language Independent Options): Move
2610 -Wcoverage-mismatch blurb from here....
2611 (Warning Options): ...to here.
2613 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2615 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2616 Set rs6000_always_hint to false for 476.
2618 2012-01-27 Matthias Klose <doko@ubuntu.com>
2620 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2622 * incpath.c (add_standard_paths): Likewise.
2624 2012-01-27 Richard Henderson <rth@redhat.com>
2626 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2627 * config/m68k/sync.md (atomic_test_and_set): Rename from
2628 sync_test_and_setqi and adjust the operands.
2629 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2630 and unconditionally enable.
2632 2012-01-27 Richard Henderson <rth@redhat.com>
2634 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2635 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2636 (ldstub): Rename from ldstubqi.
2637 (ldstub<I24MODE>): Remove.
2639 2012-01-27 Richard Henderson <rth@redhat.com>
2641 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2642 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2643 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2644 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2645 * doc/tm.texi: Rebuild.
2647 2012-01-27 Richard Henderson <rth@redhat.com>
2649 * optabs.c (gen_atomic_test_and_set): Remove default.
2650 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2652 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2654 PR rtl-optimization/51978
2655 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2656 (combine_reaching_defs): Likewise.
2657 (struct re_info): Remove.
2658 (add_removable_extension): Remove x and data arguments,
2659 add insn, insn_list and def_map. Use the arguments directly
2660 instead of using struct re_info.
2661 (find_removable_extensions): Don't call add_removable_extension
2662 through note_stores, instead just call it with single_set
2664 (find_and_remove_re): Pass curr_cand->expr instead of
2665 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2667 2012-01-26 Michael Matz <matz@suse.de>
2669 PR tree-optimization/46590
2670 * cfgexpand.c: Revert last change (r183305).
2671 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2673 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2674 checking for emptiness.
2676 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2679 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2680 non-addressable non-BLKmode base correctly.
2682 2012-01-26 Michael Matz <matz@suse.de>
2684 PR tree-optimization/48794
2685 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2686 regions referenced from RESX/EH_DISPATCH.
2688 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2690 * config/s390/s390.h: Make BRANCH_COST an option.
2691 * config/s390/s390.opt: New option -mbranch-cost.
2693 2012-01-26 Richard Henderson <rth@redhat.com>
2695 Revert 2012-01-24 change:
2696 * trans-mem.c (requires_barrier): Do not instrument thread local
2697 variables and emit save/restore for them.
2699 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2702 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2705 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2707 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2710 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2713 Rename __pgm to __flash.
2714 Rename __pgm1 to __flash1.
2715 Rename __pgm2 to __flash2.
2716 Rename __pgm3 to __flash3.
2717 Rename __pgm4 to __flash4.
2718 Rename __pgm5 to __flash5.
2719 Rename __pgmx to __memx.
2720 * doc/extend.texi (AVR Named Address Spaces)
2721 Rename address space names as indicated above.
2722 * config/avr/avr.c (avr_addrspace): Ditto.
2724 * config/avr/avr-protos.h
2725 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2726 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2727 * config/avr/predicates.md: Ditto.
2728 * config/avr/avr.c Ditto, and
2729 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2730 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2732 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2733 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2734 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2735 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2736 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2737 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2738 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2739 * config/avr/avr.c: Ditto.
2740 * config/avr/avr.md: Ditto.
2742 2012-01-25 Jason Merrill <jason@redhat.com>
2745 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2747 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2749 PR tree-optimization/51987
2750 * tree-data-ref.c (get_references_in_stmt): Handle references in
2751 non-volatile GIMPLE_ASM.
2753 2012-01-25 Richard Guenther <rguenther@suse.de>
2755 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2756 bases are dereferenced.
2758 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2760 PR rtl-optimization/48374
2761 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2763 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2765 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2766 compute_data_dependences_for_loop returns false.
2767 * tree-parloops.c (loop_parallel_p): Likewise.
2769 2012-01-25 Richard Guenther <rguenther@suse.de>
2771 * tree.h (get_pointer_alignment_1): Declare.
2772 * builtins.c (get_pointer_alignment_1): New function.
2773 (get_pointer_alignment): Use it.
2775 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2777 PR rtl-optimization/48308
2778 * combine.c (enum undo_kind): Add UNDO_LINKS.
2779 (struct undo): Add member l to other_contents and where.
2780 (do_SUBST_LINK): New.
2782 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2783 (undo_all): Handle UNDO_LINKS.
2785 2012-01-25 Richard Henderson <rth@redhat.com>
2787 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2790 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2792 * optabs.c (gen_atomic_test_and_set): Use each argument.
2794 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2796 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2797 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2798 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2799 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2800 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2801 TARGET_PAIRED_SINGLE_FLOAT.
2803 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2805 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2806 (in_struct, return_val): Remove MEM documentation.
2807 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2808 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2809 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2811 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2812 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2813 * expr.c (store_field): Likewise.
2814 * function.c (assign_stack_temp_for_type): Likewise.
2815 * ifcvt.c (noce_try_cmove_arith): Likewise.
2816 * reload1.c (reload): Likewise.
2817 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2818 (alpha_set_memflags): Likewise.
2819 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2821 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2823 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2825 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2826 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2827 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2829 * cselib.c (cselib_rtx_varies_p): Delete.
2830 (cselib_invalidate_mem): Update call to canon_true_dependence.
2831 * dse.c (record_store, check_mem_read_rtx): Likewise.
2832 (scan_reads_nospill): Likewise.
2833 * cse.c (check_dependence): Likewise.
2834 (cse_rtx_varies_p): Delete.
2835 * expr.c (safe_from_p): Update call to true_dependence.
2836 * ira.c (validate_equiv_mem_from_store): Likewise.
2837 (memref_referenced_p): Likewise.
2838 * postreload-gcse.c (find_mem_conflicts): Likewise.
2839 * sched-deps.c (sched_analyze_2): Likewise.
2840 * store-motion.c (load_kills_store): Likewise.
2841 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2842 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2843 (compute_transp): Update call to canon_true_dependence.
2845 2012-01-25 Richard Henderson <rth@redhat.com>
2847 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2848 (maybe_emit_atomic_test_and_set): New.
2849 (expand_sync_lock_test_and_set): Use it.
2850 (expand_atomic_test_and_set): Likewise.
2851 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2852 the implementation; clarify implementation defined details.
2853 * doc/md.texi (atomic_test_and_set): Document.
2855 2012-01-25 Richard Henderson <rth@redhat.com>
2857 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2859 2012-01-25 Richard Henderson <rth@redhat.com>
2862 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2863 to effect no-op split.
2865 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2868 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2869 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2870 (BT_FN_VOID_PTR_INT_SIZE): New.
2871 (BT_FN_UINT_UINT_VAR): Remove.
2872 (BT_FN_UINT32_UINT32_VAR): New.
2873 (BT_FN_DOUBLE_VPTR): Remove.
2874 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2876 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2877 (_ITM_changeTransactionMode): Same.
2878 (_ITM_memmoveRtWt): Change return type to void.
2879 (_ITM_memcpyRtWt): Same.
2880 (_ITM_memsetW): Same.
2881 (_ITM_RaRD): Change types to double.
2886 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2888 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2889 Patrick Marlier <patrick.marlier@gmail.com>
2891 * trans-mem.c (requires_barrier): Do not instrument thread local
2892 variables and emit save/restore for them.
2894 2012-01-24 Jason Merrill <jason@redhat.com>
2897 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2898 output static aliases.
2900 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2903 * common.opt (-pie, -shared, pie, shared): Change from Common to
2905 * gcc.c (display_help): Display help for -pie and -shared.
2907 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2910 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2911 Remove note on size/offset limitation.
2912 (AVR Variable Attributes): Add example how to read data located
2913 with progmem. Refer to named address spaces.
2914 * doc/invoke.texi (AVR Options): Fix typo.
2916 2012-01-24 Richard Guenther <rguenther@suse.de>
2918 Forward-port to trunk
2919 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2922 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2923 op0 isn't sufficiently aligned and there is movmisalignM
2924 insn for mode, use it to load op0 into a temporary register.
2926 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2929 * target.def (const_not_ok_for_debug_p): New hook.
2930 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2932 * doc/tm.texi: Regenerated.
2933 * dwarf2out.c (const_ok_for_output_1): If
2934 targetm.const_not_ok_for_debug_p returns true, fail.
2935 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2937 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2939 2012-01-23 Kai Tietz <ktietz@redhat.com>
2942 * config/i386/predicates.md (symbolic_operand): Allow
2943 UNSPEC_PCREL as PIC expression for lea.
2944 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2945 * config/i386/i386.c (ix86_delegitimize_address): Handle
2946 UNSPEC_PCREL for none-MEM, too.
2948 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2950 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2951 (ipa_tm_create_version_alias): Same.
2953 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2956 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2957 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2959 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2960 Patrick Marlier <patrick.marlier@gmail.com>
2961 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2964 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2965 simple_object_start_read.
2967 2012-01-23 Richard Guenther <rguenther@suse.de>
2970 PR tree-optimization/51895
2971 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2972 parameter decomposition into BLKmode components.
2974 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2976 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2977 fake variables for restrict-qualified pointers whose pointed-to type
2978 contains a placeholder.
2980 2012-01-23 Richard Guenther <rguenther@suse.de>
2982 PR tree-optimization/51949
2983 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2985 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2987 PR rtl-optimization/51933
2988 * ree.c (transform_ifelse): Return true right away if dstreg is
2989 already wider or equal to cand->mode.
2990 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2991 (make_defs_and_copies_lists): Remove defs_list and copies_list
2992 arguments, add state argument, just truncate state->work_list
2993 instead of always allocating and freeing the vector. Assert that
2994 get_defs succeeds instead of returning 2. Changed return type to bool.
2995 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2996 have ext_src_mode, see if it has been modified already with the
2997 right kind of extension and has been extended before from the
2998 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2999 just return true. Remember the original mode in state->modified array.
3000 (combine_reaching_defs): Add state argument. Don't allocate and
3001 free here def_list, copied_list and vec vectors, instead just
3002 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3003 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3004 Add state variable, clear vectors in it, initialize state.modified
3005 if needed. Free all the vectors at the end and state.modified too.
3006 Don't skip a candidate if the extension expression has been modified.
3008 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3011 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3012 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3013 (extra_options) interix.opt -> i386/interix.opt"
3014 (extra_objs):Add winnt-stubs.o
3015 * configure.ac: Add interix to target_os .comm on PE check.
3016 * configure: Regenerate.
3017 * config/interix3.h: Delete and move bits to..
3018 * config/interix.h: Delete and move bits to..
3019 * config/i386/i386-interix3.h: Delete and move bits to..
3020 * config/i386/i386-interix.h: ..here.
3021 (TARGET_CPU_DEFAULT): Remove redefinition.
3022 (TARGET_ASM_CONSTRUCTOR): Undefine.
3023 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3024 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3025 (PTRDIFF_TYPE): Define.
3026 (LONG_DOUBLE_TYPE_SIZE): Define.
3027 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3028 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3029 (TARGET_SECTION_TYPE_FLAGS): Define.
3030 (ASM_DECLARE_FUNCTION_NAME): Define.
3031 (ASM_OUTPUT_EXTERNAL): Define.
3032 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3033 (ASM_OUTPUT_ALIGNED_BSS): Define.
3034 (PCC_BITFIELD_TYPE_MATTERS): Define.
3035 (USE_CONST_SECTION): Define.
3036 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3037 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3038 (SUPPORTS_ONE_ONLY): Remove.
3039 (I386_PE_STRIP_ENCODING): Define.
3040 * config/interix.opt: Delete and move bits to..
3041 * config/i386/interix.opt: ..here. New.
3042 (mpe-aligned-commons): Add.
3043 * config/i386/t-interix: Add copyright header.
3044 (winnt-stubs.o): Add rule.
3046 2012-01-22 Jason Merrill <jason@redhat.com>
3049 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3050 for extra name aliases.
3052 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3054 PR rtl-optimization/51924
3055 * ree.c (combine_set_extension): Improve debugging message.
3056 (combine_reaching_defs): Likewise.
3057 (get_defs): Rename confusingly named variable.
3058 (find_and_remove_re): Skip a candidate if the extension expression has
3061 2012-01-21 Robert Millan <rmh@gnu.org>
3062 Gerald Pfeifer <gerald@pfeifer.com>
3064 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3065 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3067 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3069 PR tree-optimization/51914
3070 * tree-vect-stmts.c (vectorizable_conversion): For
3071 cvt_type && modifier == WIDEN, put temporary with cvt_type
3072 at the beginning of vec_dsts and set vec_dest to temporary
3075 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3077 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3079 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3081 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3082 * config/rs6000/rs6000.c: Likewise.
3084 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3087 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3088 output_move_double on a copy of operands array.
3090 2012-01-20 Cary Coutant <ccoutant@google.com>
3091 Dodji Seketeli <dodji@redhat.com>
3094 * dwarf2out.c (copy_declaration_context): Return ref to parent
3095 of declaration DIE, if necessary.
3096 (remove_child_or_replace_with_skeleton): Add new parameter; update
3097 caller. Place skeleton DIE under parent DIE of original declaration.
3098 Move call to copy_declaration_context to here ...
3099 (break_out_comdat_types): ... from here.
3101 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3103 PR rtl-optimization/51856
3104 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3107 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3110 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3111 hints for neon loads and stores.
3113 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3117 * doc/extend.texi (Named Address Spaces): Split into subsections.
3118 (AVR Named Address Spaces): New subsection.
3119 (M32C Named Address Spaces): New subsection.
3120 (RL78 Named Address Spaces): New subsection.
3121 (SPU Named Address Spaces): New subsection.
3122 (Variable Attributes): New anchor "AVR Variable Attributes".
3123 (AVR Variable Attributes): Rewrite and avoid wording
3124 "address space" in this context.
3125 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3126 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3127 (AVR Built-in Macros): New subsubsection therein.
3128 * doc/md.texi (AVR constraints): Remove "C04", "R".
3130 2012-01-20 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/51903
3133 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3134 when removing stmts.
3136 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3139 * config/arm/arm.c (arm_load_pic_register): Use
3140 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3141 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3142 (arm_pic_static_addr): Likewise.
3143 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3144 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3145 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3146 (pic_load_addr_unified): New.
3148 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3151 * function.c (instantiate_virtual_regs_in_insn): Use
3152 delete_insn_and_edges when removing a wrong asm insn.
3154 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3156 PR rtl-optimization/40761
3157 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3158 Add new member loop_num.
3159 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3160 (ira_build): Remove the parameter.
3162 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3163 (ira.c): Do not build CFG loops for one region allocation. Remove
3164 argument from ira_build call.
3166 * ira-build.c (init_loop_tree_node): New function.
3167 (create_loop_tree_nodes): Use it. Separate the case when CFG
3168 loops are not built.
3169 (more_one_region_p): Check current_loops.
3170 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3172 (add_loop_to_tree): Process loop equal to NULL too.
3173 (form_loop_tree): Separate the case when CFG loops are not built.
3174 Use explicitly number for the root.
3175 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3177 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3178 instead of loop->num.
3179 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3180 (mark_all_loops_for_removal): Ditto.
3181 (remove_unnecessary_regions): Separate the case when CFG loops
3183 (ira_build): Remove the parameter. Use explicit number of regions
3184 when CFG loops are not built.
3186 * ira-color.c (print_loop_title): Separate the case for the root node.
3187 Use loop_num instead of loop->num.
3188 (move_spill_restore): Use loop_num instead of loop->num.
3190 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3191 (change_loop): Ditto.
3192 (change_loop): Use loop_num instead of loop->num.
3194 * ira-lives.c (process_bb_node_lives): Ditto.
3196 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3198 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3200 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3203 * tree-mudflap.c (mf_artificial): New function.
3204 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3205 mx_register_decls, mudflap_enqueue_decl): Use it.
3208 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3209 numbers in the insn pattern.
3211 2012-01-19 Michael Matz <matz@suse.de>
3213 PR tree-optimization/46590
3214 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3215 use it in remembering which conflicts we already created.
3216 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3219 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3222 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3223 (merge_and_complain): Same.
3225 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3228 * config/initfini-array.h: Guard content of the header
3229 with #ifdef HAVE_INITFINI_ARRAY.
3230 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3231 Add initfini-array.h to tm_file here.
3232 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3233 * config.gcc: Don't add initfini-array.h to tm_file here.
3234 * configure: Regenerated.
3236 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3238 PR rtl-optimization/51505
3239 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3240 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3241 (df_note_bb_compute): Update the call to df_kill_notes.
3243 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3245 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3247 2012-01-18 Richard Guenther <rguenther@suse.de>
3249 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3250 of conversions to void *.
3252 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3253 Richard Sandiford <rdsandiford@googlemail.com>
3257 * optabs.h (simplify_expand_binop): Declare.
3258 * optabs.c (simplify_expand_binop): Make global.
3259 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3260 endian targets if the source cannot be exactly covered by word
3263 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3266 * hard-reg-set.h (struct hard_reg_set_container): New type.
3267 * target.h (struct hard_reg_set_container): Forward declare.
3268 * target.def (set_up_by_prologue): New target hook.
3269 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3270 * doc/tm.texi: Regenerated.
3271 * function.c (thread_prologue_and_epilogue_insns): Change
3272 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3273 Call targetm.set_up_by_prologue on it.
3274 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3275 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3277 2012-01-17 Nick Clifton <nickc@redhat.com>
3279 * config/rx/rx.c (rx_can_use_simple_return): New function.
3280 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3281 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3283 2012-01-17 Richard Guenther <rguenther@suse.de>
3286 * expr.c (expand_assignment): Take address-space information
3287 from the address operand of MEM_REF and TARGET_MEM_REF.
3288 (expand_expr_real_1): Likewise.
3290 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3292 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3293 reload dump is requested.
3295 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3298 * trans-mem.c (requires_barrier): Call may_be_aliased.
3300 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3302 PR tree-optimization/51877
3303 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3304 call arguments and fndecls compare equal, instead return false if they
3305 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3306 both SSA_NAMEs that are valueized the same, or they satisfy
3309 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3311 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3313 * configure: Regenerate.
3315 2012-01-16 Jan Hubicka <jh@suse.cz>
3319 * convert.c (convert_to_integer): Use fold_convert for
3320 converting an INTEGER_CST to integer type.
3322 2012-01-16 Jason Merrill <jason@redhat.com>
3325 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3327 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3330 * config/s390/s390.c (s390_chunkify_start): Don't skip
3331 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3332 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3333 If insn is followed by NOTE_INSN_VAR_LOCATION or
3334 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3335 Don't use location of note insns.
3337 PR tree-optimization/51865
3338 * tree-inline.c (tree_function_versioning): Call remap_decl
3339 on DECL_RESULT whenever it has VOID_TYPE_P type.
3341 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3343 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3344 for calls to locally-binding MIPS16 functions if only the return
3345 type uses float regs.
3347 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3348 Richard Sandiford <rdsandiford@googlemail.com>
3350 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3351 (SYMBOL_32_HIGH): Likewise.
3352 (mips_output_tls_reloc_directive): Declare.
3353 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3354 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3355 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3356 (mips_lo_relocs, mips_hi_relocs): Make extern.
3357 (mips16_stub_function): Move up file.
3358 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3359 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3360 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3361 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3362 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3363 (mips_get_tp): Add MIPS16 support.
3364 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3365 Generalize DTPREL and TPREL handling.
3366 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3367 Add MIPS16 TLS support.
3368 (mips_output_tls_reloc_directive): New function.
3369 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3370 * config/mips/predicates.md (symbolic_operand_with_high)
3371 (tls_reloc_operand): New predicates.
3372 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3373 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3374 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3375 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3376 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3377 (*tls_get_tp_mips16_call_<mode>): Likewise.
3379 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3381 PR rtl-optimization/51821
3382 * recog.c (peep2_find_free_register): Determine clobbered registers
3385 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3388 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3389 * config/avr/avr.c: Likewise.
3390 * config/avr/avr.h: Likewise.
3392 2012-01-13 Ian Lance Taylor <iant@google.com>
3395 * tree.h (TYPE_QUALS): Add cast to int.
3396 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3398 2012-01-13 Ian Lance Taylor <iant@google.com>
3400 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3401 comparing param_index to VEC_length result.
3403 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3405 * c-decl.c: Do not include tree-mudflap.h
3406 * tree-optimize.c: Likewise.
3407 * Makefile.in: Update dependencies.
3409 2012-01-13 Richard Guenther <rguenther@suse.de>
3412 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3413 variable-sized result always use RSO.
3415 2012-01-12 DJ Delorie <dj@redhat.com>
3417 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3418 pointer type, not just the default pointer type.
3420 2012-01-09 Richard Henderson <rth@redhat.com>
3421 Denis Chertykov <chertykov@gmail.com>
3424 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3425 * config/avr/avr.c (avr_can_eliminate): Simplify.
3426 (avr_initial_elimination_offset): Likewise.
3427 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3428 (expand_epilogue): Likewise.
3429 (avr_legitimize_address): Gut.
3430 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3431 (avr_hard_regno_nregs): New.
3432 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3433 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3434 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3435 add soft frame pointer.
3436 (CALL_USED_REGISTERS): Likewise.
3437 (REG_CLASS_CONTENTS): Likewise.
3438 (REGISTER_NAMES): Likewise.
3439 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3440 (HARD_FRAME_POINTER_REGNUM): New.
3441 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3442 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3443 remove the HARD_FRAME_POINTER self-elimination.
3445 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3448 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3449 DECL_EXTERNAL when checking for initializers of progmem variables.
3451 2012-01-12 Ira Rosen <irar@il.ibm.com>
3453 PR tree-optimization/51799
3454 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3455 that the last operation is a type demotion.
3457 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3459 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3460 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3462 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3465 * combine.c (distribute_notes): If i3 is a noreturn call,
3466 allow old_size to be equal to args_size and make sure the
3467 noreturn call gets REG_ARGS_SIZE note.
3468 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3469 on noreturn calls even when the delta is 0.
3471 2012-01-11 Nathan Sidwell <nathan@acm.org>
3473 * gcov.c (STRING_SIZE): Remove.
3474 (generate_results): Erase annotations for source files with no
3475 coverage information.
3477 (output_lines): Use it.
3479 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3481 * gimple.h (gimplify_body): Remove first argument.
3482 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3483 pointer set here, instead just pass DATA to walk_tree.
3484 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3485 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3486 (unvisit_body): Likewise, but with unmark_visited.
3487 (gimplify_body): Remove BODY_P argument and adjust.
3488 (gimplify_function_tree): Adjust call to gimplify_body.
3489 * omp-low.c (finalize_task_copyfn): Likewise.
3491 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3493 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3494 (build_function_type_skip_args): Delete.
3495 * tree.c (build_function_type_skip_args): Make static and add
3496 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3497 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3498 pass it to build_function_type_skip_args.
3499 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3500 (tree_function_versioning): Likewise.
3501 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3502 build_function_decl_skip_args.
3503 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3504 and pass it to build_function_decl_skip_args/tree_function_versioning.
3505 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3506 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3507 * trans-mem.c (ipa_tm_create_version): Likewise.
3508 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3509 * tree-inline.c (declare_return_variable): Remove always-true test.
3510 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3511 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3512 * ipa-split.c (split_function): Skip the return value for the split
3513 part if it doesn't return.
3515 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3517 PR tree-optimization/49642
3518 * ipa-split.c (forbidden_dominators): New variable.
3519 (check_forbidden_calls): New function.
3520 (dominated_by_forbidden): Likewise.
3521 (consider_split): Check for forbidden dominators.
3522 (execute_split_functions): Initialize and free forbidden
3523 dominators info; call check_forbidden_calls.
3525 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3527 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3529 2012-01-11 Nick Clifton <nickc@redhat.com>
3531 * config/rx/rx.md (return): Define pattern.
3533 2012-01-11 Richard Guenther <rguenther@suse.de>
3535 * doc/extend.texi (malloc attribute): Adjust according to
3538 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3539 Patrick Marlier <patrick.marlier@gmail.com>
3542 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3543 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3544 (ipa_tm_note_irrevocable): Same.
3545 (ipa_tm_scan_irr_block): Same.
3546 (ipa_tm_decrement_clone_counts): Same.
3547 (ipa_tm_scan_irr_function): Same.
3548 (ipa_tm_create_version_alias): Same.
3549 (ipa_tm_create_version): Same.
3550 (ipa_tm_transform_calls_redirect): Same.
3551 (ipa_tm_transform_calls): Same.
3552 (ipa_tm_transform_transaction): Same.
3553 (ipa_tm_execute): Same.
3555 2012-01-10 Richard Guenther <rguenther@suse.de>
3558 * opts.c (common_handle_option): Handle -Werror.
3560 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3562 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3565 2012-01-10 Jason Merrill <jason@redhat.com>
3567 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3570 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3572 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3573 supports R_386_TLS_GD_PLT reloc.
3574 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3575 supports R_386_TLS_LDM_PLT reloc.
3576 * configure: Regenerate.
3577 * config.in: Regenerate.
3579 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3582 Extend __pgmx semantics to linearize memory.
3583 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3584 determine if code comes inline or from libgcc.
3585 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3586 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3587 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3588 (movmemx_qi, movmemx_hi): New insns.
3589 (xload_<mode>_libgcc): Rewrite to new insn condition.
3590 (xload_<mode>): Remove insns.
3591 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3592 cases that don't satisfy avr_xload_libgcc_p().
3593 (avr_addr_space_convert): Allow converting in any direction.
3594 (avr_addr_space_subset_p): Return always true.
3595 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3596 (avr_emit_movmemhi): Ditto.
3597 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3598 (avr_out_movmem): Ditto.
3599 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3600 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3601 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3602 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3603 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3605 2012-01-10 Richard Guenther <rguenther@suse.de>
3607 PR tree-optimization/50913
3608 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3609 Require data-refs to be representable by Graphite with respect
3612 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3614 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3615 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3617 2012-01-10 Tom de Vries <tom@codesourcery.com>
3619 PR rtl-optimization/51271
3620 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3621 handling annulled branch.
3623 2012-01-10 Richard Henderson <rth@redhat.com>
3625 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3626 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3627 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3628 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3629 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3630 arm_expand_vec_perm_const): New.
3631 * config/arm/arm-protos.h: Update.
3632 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3633 (*neon_vswp<VDQX>): New.
3634 (neon_vcombine<VDX>): Use neon_split_vcombine.
3635 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3636 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3637 (vec_perm<VE>): New.
3639 2012-01-10 Richard Henderson <rth@redhat.com>
3641 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3642 use it if reload_completed.
3643 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3644 arm_output_asm_insn, arm_process_output_memory_barrier,
3645 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3646 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3647 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3648 arm_process_output_sync_insn, arm_output_sync_insn,
3649 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3650 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3651 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3652 (emit_unlikely_jump): New.
3653 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3654 (arm_split_atomic_op): New.
3655 * config/arm/arm-protos.h: Update.
3656 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3657 (struct arm_sync_generator): Remove.
3658 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3659 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3660 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3661 (VUNSPEC_LL, VUNSPEC_SC): New.
3662 (sync_result, sync_memory, sync_required_value, sync_new_value,
3663 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3664 (attr length): Don't use arm_sync_loop_insns.
3665 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3666 (movsfcc, movdfcc): Likewise.
3667 * config/arm/constraints.md (Ua): New.
3668 * config/arm/prediates.md (mem_noofs_operand): New.
3669 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3670 (sync_clobber, sync_t2_reqd): Remove.
3671 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3672 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3673 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3674 (arm_sync_compare_and_swap<SIDI>): Remove.
3675 (arm_sync_compare_and_swap<NARROW>): Remove.
3676 (arm_sync_lock_test_and_set<SIDI>): Remove.
3677 (arm_sync_lock_test_and_set<NARROW>): Remove.
3678 (arm_sync_new_<syncop><SIDI>): Remove.
3679 (arm_sync_new_<syncop><NARROW>): Remove.
3680 (arm_sync_new_nand<SIDI>): Remove.
3681 (arm_sync_new_nand<NARROW>): Remove.
3682 (arm_sync_old_<syncop><SIDI>): Remove.
3683 (arm_sync_old_<syncop><NARROW>): Remove.
3684 (arm_sync_old_nand<SIDI>): Remove.
3685 (arm_sync_old_nand<NARROW>): Remove.
3686 (*memory_barrier): Merge arm_output_memory_barrier.
3687 (atomic_compare_and_swap<QHSD>): New.
3688 (atomic_compare_and_swap<NARROW>_1): New.
3689 (atomic_compare_and_swap<SIDI>_1): New.
3690 (atomic_exchange<QHSD>): New.
3691 (cas_cmp_operand, cas_cmp_str): New.
3692 (atomic_op_operand, atomic_op_str): New.
3693 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3694 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3695 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3696 (arm_load_exclusive<NARROW>): New.
3697 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3698 (arm_store_exclusive<QHSD>): New.
3700 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3702 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3703 reload patterns if -mvsx-scalar-memory.
3705 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3706 generated, even -mno-vsx-scalar-double was used.
3707 (vsx_xscvdpsp_scalar): Likewise.
3708 (vsx_xscvspdp_scalar2): Likewise.
3710 2012-01-09 Tom de Vries <tom@codesourcery.com>
3711 Andrew Pinski <apinski@cavium.com>
3714 * reorg.c (fill_slots_from_thread): Don't speculate
3715 frame-related insns.
3717 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3719 * sched-int.h (bb_note): Move to...
3720 * basic-block.h: ...here.
3721 * haifa-sched.c (bb_note): Move to...
3722 * cfgrtl.c: ...here.
3723 * function.c (next_block_for_reg): New function.
3724 (move_insn_for_shrink_wrap): Likewise.
3725 (prepare_shrink_wrap): Rewrite to use the above.
3727 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3729 * gimple.c (is_gimple_non_addressable): Remove.
3730 * gimple.h: Remove is_gimple_non_addressable.
3731 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3732 is_gimple_non_addressable.
3733 * trans-mem.c (expand_assign_tm): Same.
3735 2012-01-09 Richard Guenther <rguenther@suse.de>
3737 PR tree-optimization/51775
3738 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3739 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3741 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3743 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3745 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3747 2012-01-09 Richard Guenther <rguenther@suse.de>
3749 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3751 2012-01-08 Jan Hubicka <jh@suse.cz>
3753 PR tree-optimize/51680
3754 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3755 on when known_vals needs to be computed; cleanup.
3757 2012-01-08 Jan Hubicka <jh@suse.cz>
3759 PR tree-optimize/51694
3760 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3762 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3764 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3765 for -std=c++98 and -std=c++11 too.
3767 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3769 * cfgloop.c (cancel_loop): Add free() of bbs array.
3771 2012-01-07 Jan Hubicka <jh@suse.cz>
3773 PR tree-optimization/51600
3774 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3775 that benefits small functions.
3777 2012-01-07 Jan Hubicka <jh@suse.cz>
3779 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3781 2012-01-07 Jan Hubicka <jh@suse.cz>
3783 PR tree-optimization/51680
3784 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3785 whose inlining reduce unit size.
3787 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3790 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3791 Add canonical node to containing_mem chain after the non-canonical
3792 one, even if there weren't any locs to propagate.
3793 (remove_useless_values): Keep only canonical values.
3794 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3795 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3796 canonicalize mem_chain elements that are not discarded.
3798 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3801 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3802 before emitting functions.
3804 PR gcov-profile/50127
3805 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3806 clear_aux_for_blocks.
3808 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3811 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3813 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3815 * c-decl.c (ext_block): Moved up.
3816 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3818 2012-01-06 Han Shen <shenhan@google.com>
3820 Translate built-in include paths for sysroot.
3821 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3822 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3824 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3825 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3827 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3828 control whether sysroot should be prepended to gxx include dir.
3830 * configure: Regenerate.
3832 2012-01-06 Torvald Riegel <triegel@redhat.com>
3834 PR rtl-optimization/51771
3835 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3836 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3838 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3840 PR tree-optimization/51315
3841 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3842 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3844 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3847 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3848 for shrp pattern. Correctly handle and fixup shift variable.
3849 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3851 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3854 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3855 note when !ACCUMULATE_OUTGOING_ARGS.
3857 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3859 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3861 (extract_range_from_unary_expr_1): Avoid useless computations.
3863 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3865 PR rtl-optimization/51767
3866 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3867 of jump_block and add an extra edge for degenerated asm gotos.
3870 * stmt.c (check_unique_operand_names): Don't ICE during error
3871 reporting if i is from labels chain.
3874 * profile.c (branch_prob): Split bbs that have exit edge
3875 and need a fake entry edge too.
3877 2012-01-05 Jan Hubicka <jh@suse.cz>
3880 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3883 2012-01-05 Richard Guenther <rguenther@suse.de>
3886 * tree-streamer-out.c (write_ts_optimization): New function.
3887 (streamer_write_tree_body): Call it.
3888 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3889 (streamer_read_tree_body): Call it.
3890 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3892 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3895 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3896 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3897 in_cleanup_point_expr before gimplify_stmt call and restore it
3899 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3900 in_cleanup_point_expr is false.
3902 2012-01-05 Richard Guenther <rguenther@suse.de>
3905 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3907 * toplev.c (process_options): Reject combining mudflap and LTO.
3908 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3910 2012-01-05 Richard Guenther <rguenther@suse.de>
3912 PR tree-optimization/51760
3913 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3915 (bit_value_unop): Handle UNDEFINED operands.
3916 (bit_value_binop): Likewise.
3918 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3920 * config/avr/avr.c (avr_replace_prefix): Remove.
3921 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3922 (avr_asm_function_rodata_section): Ditto.
3923 (avr_asm_select_section): Ditto.
3925 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3927 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3930 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3933 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3934 calls that have any non-fake successor edges.
3937 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3939 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3941 PR tree-optimization/51624
3942 * tree-sra.c (build_ref_for_model): When replicating a chain of
3943 COMPONENT_REFs, stop as soon as the offset would become negative.
3945 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3948 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3949 in .debug_loc on the floor.
3951 2012-01-04 Andrew Pinski <apinski@cavium.com>
3953 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3955 2012-01-04 Andrew Pinski <apinski@cavium.com>
3956 Adam Nemet <anemet@caviumnetworks.com>
3958 * config/mips/mips.md (size): Add SI and DI.
3959 (SIZE): New mode attribute.
3960 (U): New code attribute.
3961 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3962 (mips_lbux_<mode>): Delete.
3963 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3964 (mips_lhx): Use gen_mips_lhx_extsi.
3965 (mips_lhx_<mode>): Delete.
3967 (mips_l<size>x): New expand.
3968 (mips_lwx_<mode>): Delete.
3969 (mips_l<GPR:size>x_<P:mode>): New pattern.
3970 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3971 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3972 * config/mips/mips.c (mips_lx_address_p): New function.
3973 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3974 (dsp64): New availability predicate.
3975 (mips_builtins): Add an entry for __builtin_mips_ldx.
3976 * config/mips/mips.h (ISA_HAS_LBX): New define.
3977 (ISA_HAS_LBUX): Likewise.
3978 (ISA_HAS_LHX): Likewise.
3979 (ISA_HAS_LHUX): Likewise.
3980 (ISA_HAS_LWX): Likewise.
3981 (ISA_HAS_LWUX): Likewise.
3982 (ISA_HAS_LDX): Likewise.
3983 * doc/extend.texi (__builtin_mips_ldx): Document.
3985 2012-01-04 Tristan Gingold <gingold@adacore.com>
3987 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3988 when long pointers are used.
3989 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3990 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3991 (ia64-hp-*vms*): Remove.
3992 * config/vms/xm-vms64.h: Delete.
3994 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3997 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3999 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4001 * opts.c (finish_options): Remove duplicate sorry.
4003 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4006 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4009 2012-01-04 Richard Guenther <rguenther@suse.de>
4012 * tree.c (size_low_cst): New function.
4013 * tree.h (size_low_cst): Declare.
4014 * fold-const.c (fold_comparison): Use it to extract the low
4015 part of the POINTER_PLUS_EXPR offset.
4017 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4019 Fix clearing ZERO_REG
4020 * config/avr/avr.md (cc): Add alternative "ldi".
4021 (movqi_insn): Use it in cc attribute.
4022 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4023 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4024 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4026 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4028 * configure: Regenerate.
4030 2012-01-04 Richard Guenther <rguenther@suse.de>
4032 PR tree-optimization/49651
4033 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4034 (var_can_have_subvars): Use it.
4035 (get_constraint_for_1): Only consider subfields if there can be any.
4037 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4040 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4041 to its new canonical_cselib_val and the cselib_val was in
4042 first_containing_mem chain, but the canonical_cselib_val was not,
4043 add the latter into the chain.
4044 (cselib_invalidate_mem): Compare canonical_cselib_val of
4045 addr_list chain elt with v.
4048 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4049 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4051 (output_macinfo_op): Don't ggc_strdup fd->filename.
4052 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4053 then ggc_strdup it. Don't free inc->info or cur->info.
4054 (output_macinfo): Don't free ref->info or file->info.
4056 2012-01-03 Ira Rosen <irar@il.ibm.com>
4058 PR tree-optimization/51269
4059 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4060 first_niters a pointer.
4061 (slpeel_tree_peel_loop_to_edge): Likewise.
4062 (vect_do_peeling_for_loop_bound): Update call to
4063 slpeel_tree_peel_loop_to_edge.
4064 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4065 here. Remove it from the parameters list.
4066 (vect_do_peeling_for_alignment): Update calls and compute
4069 2012-01-03 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/51070
4072 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4073 Properly handle calls.
4075 2012-01-03 Richard Guenther <rguenther@suse.de>
4077 PR tree-optimization/51692
4078 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4079 the LHS of allocation stmts.
4081 2012-01-03 Olivier Hainque <hainque@adacore.com>
4083 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4085 2012-01-03 Olivier Hainque <hainque@adacore.com>
4087 * collect2.c (main): In AIX specific computations for vector
4088 insertions, use CONST_CAST2 to cast from char ** to const char **.
4090 2012-01-03 Richard Guenther <rguenther@suse.de>
4093 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4094 the context of a limbo DIE when it does not already exist.
4096 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4098 PR tree-optimization/51719
4099 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4100 but direct call is, clear direct call's lhs and don't add fallthrough
4101 edge from dcall_bb to join_bb and PHIs.
4103 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4105 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4106 the instructions emitted by the pattern.
4107 ("*TDC_insn_<mode>"): Add comment.
4109 2012-01-03 Richard Guenther <rguenther@suse.de>
4112 * fold-const.c (fold_comparison): Properly canonicalize
4113 tree offset and HOST_WIDE_INT bit position.
4115 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4117 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4118 operands for extzv pattern.
4120 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4123 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4126 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4128 * doc/invoke.texi (-flto and related options): Copy-edit.
4130 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4132 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4134 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4136 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4139 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4141 * expr.h (move_by_pieces_ninsns): Declare.
4142 * expr.c (move_by_pieces_ninsns): Make external.
4143 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4144 (mips_store_by_pieces_p): Likewise.
4145 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4146 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4147 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4148 (mips_store_by_pieces_p): Likewise.
4150 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4152 * passes.c (register_one_dump_file): Free full_name.
4154 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4155 (calculate_elim_costs_all_insns): Free offsets_at and
4156 offsets_known_at at the end and clear the pointers.
4158 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4160 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4161 this option introduced in r180739.
4163 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4166 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4167 (tmake_file target=avr): Add avr/t-multilib.
4169 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4170 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4171 * config/avr/genmultilib.awk: New file.
4172 * config/avr/t-multilib: New auto-generated file.
4173 * config/avr/multilib.h: New auto-generated file.
4174 * config/avr/t-avr (AVR_MCUS): New variable.
4175 (genopt.sh): Use it.
4176 (s-mlib): Depend on t-multilib.
4177 (t-multilib, multilib.h): New dependencies.
4178 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4179 (MULTILIB_OPTIONS): Remove.
4180 (MULTILIB_MATCHES): Remove.
4181 (MULTILIB_DIRNAMES): Remove.
4182 (MULTILIB_EXCEPTIONS): Remove:
4183 * config/avr/genopt.sh: Don't use hard coded file name;
4184 pass AVR_MCUS from t-avr instead.
4186 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4188 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4190 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4192 Implement light-weight DImode support.
4193 * config/avr/avr-dimode.md: New file.
4194 * config/avr/avr.md: Include it.
4195 (adjust_len): Add plus64, compare64.
4196 (HIDI): Remove code iterator.
4197 (code_stdname): New code attribute.
4198 (rotx, rotsmode): Remove DI.
4199 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4201 * config/avr/avr-protos.h (avr_have_dimode): New.
4202 (avr_out_plus64, avr_out_compare64): New.
4203 * config/avr/avr.c (avr_out_compare): Handle DImode.
4204 (avr_have_dimode): New variable definition and initialization.
4205 (avr_out_compare64, avr_out_plus64): New functions.
4206 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4207 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4208 (avr_compare_pattern): Skip DImode comparisons.
4210 2012-01-02 Revital Eres <revital.eres@linaro.org>
4212 * ddg.c (def_has_ccmode_p): New function.
4213 (add_cross_iteration_register_deps,
4214 create_ddg_dep_from_intra_loop_link): Call it.
4216 2012-01-02 Richard Guenther <rguenther@suse.de>
4219 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4221 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4223 * gcc.c (process_command): Update copyright notice dates.
4224 * gcov.c (print_version): Likewise.
4225 * gcov-dump.c (print_version): Likewise.
4226 * mips-tfile.c (main): Likewise.
4227 * mips-tdump.c (main): Likewise.
4229 2012-01-01 Ira Rosen <irar@il.ibm.com>
4231 PR tree-optimization/51704
4232 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4233 a use is inside the basic block or loop before accessing its vect info.
4235 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4237 PR rtl-optimization/51069
4238 * cfgloopmanip.c (remove_path): Removing path making irreducible
4239 region unconditional makes BB part of the region.
4241 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4243 PR tree-optimization/51683
4244 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4245 calls with side-effects.
4246 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4248 Copyright (C) 2012 Free Software Foundation, Inc.
4250 Copying and distribution of this file, with or without modification,
4251 are permitted in any medium without royalty provided the copyright
4252 notice and this notice are preserved.