1 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
3 * function.c (requires_stack_frame_p): If the function can throw
4 non-call exceptions, return true if the insn can throw internally.
6 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
8 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
9 DECL_ORIGINAL_TYPE if it is present.
11 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
13 Backport from 2012-05-12 mainline r187342.
16 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
17 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
18 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
19 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
20 (expand_prologue): Move initialization of cfun->machine->is_naked,
21 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
22 (avr_set_current_function): ...this new static function.
23 (TARGET_SET_CURRENT_FUNCTION): New define.
24 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
25 checking attributes of current_function_decl.
26 (avr_regs_to_save): Ditto.
27 (signal_function_p): Rename to avr_signal_function_p.
28 (interrupt_function_p): Rename to avr_interrupt_function_p.
30 * doc/extend.texi (Function Attributes): Better explanation of
31 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
34 2012-05-09 Matthias Klose <doko@ubuntu.com>
36 * gcc-ar.c (main): Don't check for execute bits for the plugin.
38 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
41 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
42 when a constant source operand matches an "I" constraint, the "no
43 CC0 change" applies to a register-destination only, not a
44 strict_low_part-destination.
46 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
48 Backport from mainline:
49 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
51 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
53 2012-05-07 Jakub Jelinek <jakub@redhat.com>
55 PR tree-optimization/53239
56 * tree-vrp.c (get_value_range): Set VR of
57 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
60 2012-05-07 Richard Guenther <rguenther@suse.de>
62 PR tree-optimization/53195
63 * tree-inline.c (setup_one_parameter): Properly add referenced
64 vars from the parameters new known value.
66 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
68 Backport from mainline:
69 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
72 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
75 2012-05-04 Ian Lance Taylor <iant@google.com>
77 * tree-vect-patterns.c (vect_single_imm_use): Correct return
78 values from false to NULL.
80 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
82 Backport from mainline
83 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
86 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
87 (TARGET_CMOV): Rename from TARGET_CMOVE.
88 (TARGET_CMOVE): New define.
89 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
90 Do not set TARGET_CMOVE here.
92 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
94 Backport from mainline:
96 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
98 PR tree-optimization/52633
99 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
100 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
101 (vect_recog_over_widening_pattern): Remove handling of code that was
102 already detected as over-widening pattern. Remove special handling
103 of "unsigned" cases. Instead, support general case of conversion
104 of the shift result to another type.
106 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
108 * tree-vect-patterns.c (vect_single_imm_use): New function.
109 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
110 (vect_recog_over_widening_pattern): Likewise.
111 (vect_recog_widen_shift_pattern): Likewise.
113 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
115 PR tree-optimization/52870
116 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
117 presumed pattern statement is within the same loop or basic block.
119 2012-05-04 Richard Guenther <rguenther@suse.de>
121 * common.opt (flto-report): Do not mark as Optimization.
123 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
126 * recog.c (constrain_operands): If extra constraints are present, also
127 accept pseudo-registers with equivalent memory locations during reload.
129 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
131 Backport from the mainline
132 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
135 * config/rs6000/rs6000.md (bswapdi splitters): If
136 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
137 default) is used, generate an alternate sequence that does not
138 depend on using indexed addressing.
140 2012-05-03 David S. Miller <davem@davemloft.net>
143 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
144 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
145 (sparc_emit_float_lib_cmp): Likewise.
147 2012-05-04 Martin Jambor <mjambor@suse.cz>
149 Backport from mainline
150 2012-05-02 Martin Jambor <mjambor@suse.cz>
153 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
154 of a variable when the contect is a function.
156 2012-05-03 Jakub Jelinek <jakub@redhat.com>
159 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
160 append program name to it and pass that as first argument
161 to make_relative_prefix. Always pass standard_libexec_prefix
162 as last argument to make_relative_prefix. If
163 make_relative_prefix returns NULL, fall back to
164 standard_libexec_prefix.
167 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
171 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
172 mode, return that mode.
174 2012-05-03 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/53144
177 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
179 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
180 with SSA name values.
181 (vn_reference_lookup_3): Adjust callers.
183 2012-05-02 Jakub Jelinek <jakub@redhat.com>
185 PR tree-optimization/53163
186 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
187 return value from compute_all_dependences.
189 PR rtl-optimization/53160
190 * ree.c (combine_reaching_defs): Handle the case where cand->insn
191 has been modified by ree pass already.
193 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
195 Backport from mainline
196 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
199 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
200 calls to cgraph_node_name in xstrdup.
201 (ipa_make_edge_direct_to_target): Ditto.
202 * tree-sra.c (convert_callers_for_node): Ditto.
203 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
204 * ipa-cp.c (perhaps_add_new_callers): Ditto.
205 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
206 (cgraph_materialize_all_clones): Ditto.
207 * ipa-inline.c (report_inline_failed_reason): Ditto.
208 (want_early_inline_function_p): Ditto.
209 (edge_badness): Ditto.
210 (update_edge_key): Ditto.
211 (flatten_function): Ditto.
213 (inline_always_inline_functions): Ditto.
214 (early_inline_small_functions): Ditto.
216 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
218 Backport from mainline
219 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
221 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
222 Introduce emul_name to select the right linker emulation for
223 powerpc64-*-freebsd*.
224 * configure: Regenerate.
225 * config.gcc: Add bits to support powerpc64-*-freebsd*.
226 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
227 * config/rs6000/freebsd64.h: New file.
228 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
230 (rs6000_savres_strategy): Likewise.
231 (rs6000_savres_routine_name): Likewise.
232 (rs6000_elf_file_end): Likewise.
233 * config/rs6000/t-freebsd64: New file.
234 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
235 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
237 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
239 Backport from mainline
240 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
243 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
245 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
247 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
248 predicate to discriminate types.
250 2012-04-27 Richard Guenther <rguenther@suse.de>
253 * convert.c (convert_to_integer): Avoid infinite recursion for
254 target-defined built-in types.
256 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
259 * config/cris/cris.md ("*andhi_lowpart_v32")
260 ("*andqi_lowpart_v32"): Change first input-only operand from
261 a (match_operand ...) to (match_dup 0). Drop alternatives with
262 const_int-matching constraints for redundancy.
263 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
264 three-operand alternative.
266 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
268 Backport from mainline
269 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
271 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
272 (*addsi_2_zext): Ditto.
273 (*add<mode>_3): Ditto.
274 (*addsi_3_zext): Ditto.
275 (*add<mode>_5): Ditto.
277 2012-04-25 Jakub Jelinek <jakub@redhat.com>
280 * c-typeck.c (set_nonincremental_init,
281 set_nonincremental_init_from_string): Pass true instead of false
282 as IMPLICIT to add_pending_init.
284 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
286 Backport from 2012-04-24 mainline r186768.
289 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
291 2012-04-24 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/53085
294 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
297 2012-04-24 Jakub Jelinek <jakub@redhat.com>
300 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
302 (output_addressed_constants): Likewise.
305 * varasm.c (get_section): Don't ICE for section conflicts with
306 built-in section kinds.
308 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
310 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
312 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
314 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
316 2012-04-23 Richard Guenther <rguenther@suse.de>
319 * c-typeck.c (build_binary_op): Fix typo.
321 2012-04-23 Jakub Jelinek <jakub@redhat.com>
323 PR tree-optimizations/52891
324 * tree-vect-patterns.c (adjust_bool_pattern): Use
325 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
326 but with non-standard precision.
328 2012-04-22 Ian Lance Taylor <iant@google.com>
330 * godump.c (go_output_typedef): Dump size of structs.
332 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
334 Backport from mainline:
336 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
337 hints for 'A' operand types.
339 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
341 Backport from 2012-04-19 mainline r186588.
344 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
347 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
349 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
351 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
354 * config/i386/sync.md (atomic_<code><mode>): Rename to
355 atomic_<logic><mode>.
357 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
359 Backport from mainline
360 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
363 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
364 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
365 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
366 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
367 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
368 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
369 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
370 gen_avx2_permvarv8sf.
372 2012-04-16 Martin Jambor <mjambor@suse.cz>
374 Backported from mainline
376 2012-04-13 Martin Jambor <mjambor@suse.cz>
379 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
380 fold_ctor_reference returns a zero constant.
382 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
384 Backported from mainline
385 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
387 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
388 and __ILP32__ for x32.
390 2012-04-13 Tom de Vries <tom@codesourcery.com>
392 Backport from mainline r186418.
394 2012-04-13 Tom de Vries <tom@codesourcery.com>
396 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
397 parameters vuse and vuse_escaped.
398 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
399 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
402 2012-04-13 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/52969
405 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
406 the condition for the COND_EXPR and handle predicate negation
407 by swapping the COND_EXPR arms.
409 2012-04-13 Richard Guenther <rguenther@suse.de>
412 * convert.c (convert_to_pointer): Remove special-casing of
415 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
417 Backport from mainline
418 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
421 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
422 the list of options to enable the FCFID instruction.
423 (TARGET_EXTRA_BUILTINS): Adjust comment.
425 2012-04-12 Richard Guenther <rguenther@suse.de>
427 PR tree-optimization/52943
428 * tree-chrec.h (chrec_is_positive): Remove.
429 * tree-scalar-evolution.c (chrec_is_positive): Move ...
430 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
431 Return false for a constant zero instead of negative.
432 (analyze_siv_subscript_cst_affine): Handle zero difference
433 in the initial condition explicitely.
435 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
438 * varasm.c (process_pending_assemble_externals): Set
439 pending_assemble_externals_processed true.
440 (assemble_external): Call assemble_external_real if the pending
441 assemble externals have been processed.
443 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
446 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
447 the DECL generated for the special GOT helper.
449 2012-04-06 Walter Lee <walt@tilera.com>
451 Backport from mainline
452 2012-03-07 Walter Lee <walt@tilera.com>
454 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
455 REG_CFA_* notes for the stack pointer.
456 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
457 EH_RETURN_STACKADJ_RTX.
458 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
459 generate REG_CFA_* notes for the stack pointer.
460 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
461 by EH_RETURN_STACKADJ_RTX.
463 2012-04-06 Matt Turner <mattst88@gmail.com>
465 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
467 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
469 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
470 of the destination isn't also a FP_REGS register.
472 2012-04-03 Richard Guenther <rguenther@suse.de>
474 Backport from mainline
475 2012-03-02 Richard Guenther <rguenther@suse.de>
477 PR tree-optimization/52406
478 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
479 (struct indices): Add unconstrained_base member.
480 (struct dr_alias): Remove unused vops member.
481 (DR_UNCONSTRAINED_BASE): New define.
482 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
483 add indices to allow their disambiguation. Make DR_BASE_OBJECT
484 be an artificial access that covers the whole indexed object,
485 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
486 plain decl base-objects to their MEM_REF variant.
487 (dr_may_alias_p): When the base-object of either data reference
488 has unknown size use only points-to information.
489 (compute_affine_dependence): Make dumps easier to read and
491 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
492 DR_REF when looking for packed references.
493 (vect_supportable_dr_alignment): Likewise.
495 2012-04-03 Richard Guenther <rguenther@suse.de>
497 Backport from mainline
498 2012-03-15 Richard Guenther <rguenther@suse.de>
501 * tree-data-ref.c (subscript_dependence_tester_1): Check
502 all dimensions for non-conflicting access functions.
504 2012-04-03 Richard Guenther <rguenther@suse.de>
506 Backport from mainline
507 2012-03-06 Richard Guenther <rguenther@suse.de>
510 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
512 2012-03-23 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/52678
515 * tree-vectorizer.h (struct _stmt_vec_info): Add
516 loop_phi_evolution_part member.
517 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
518 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
519 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
520 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
521 Use the cached evolution part and the PHI nodes value from
522 the loop preheader edge instead of re-analyzing the evolution.
524 2012-03-26 Richard Guenther <rguenther@suse.de>
526 PR tree-optimization/52701
527 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
528 compute and set the evolution part of PHI nodes.
530 2012-03-30 Richard Guenther <rguenther@suse.de>
532 PR tree-optimization/52754
533 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
534 propagate arbitrary addresses into really plain dereferences.
536 2012-04-03 Jakub Jelinek <jakub@redhat.com>
538 PR tree-optimization/52835
539 * tree-data-ref.c (build_rdg): Return NULL if
540 compute_data_dependences_for_loop failed.
542 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
544 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
545 (stmt_can_make_abnormal_goto): Use it.
546 (is_ctrl_altering_stmt): Likewise.
548 2012-03-31 Martin Jambor <mjambor@suse.cz>
550 Backported from mainline
551 2012-03-30 Martin Jambor <mjambor@suse.cz>
553 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
554 is a builtin_stack_save in a dominating BB.
556 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
558 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
559 crossing 128bit lane boundary.
561 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
563 Backported from mainline
564 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
567 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
569 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
570 * config/i386/i386.c: Include reload.h.
571 (ix86_legitimize_reload_address): New function.
573 2012-03-28 Martin Jambor <mjambor@suse.cz>
575 Backported from mainline
576 2012-03-27 Martin Jambor <mjambor@suse.cz>
579 * tree-sra.c (sra_modify_assign): Do not call
580 load_assign_lhs_subreplacements when working with an unscalarizable
583 2012-03-28 Jakub Jelinek <jakub@redhat.com>
586 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
587 __builtin_va_start to __builtin_next_arg if the latter is
588 builtin_decl_explicit_p rather than when it is not.
591 * tree-vect-generic.c (vector_element): Perform multiplication
592 for pos in bitsizetype type instead of idx type.
594 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
596 Backport from 2012-03-28 mainline r185910.
599 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
600 (avr_builtin_decl): New static function.
601 (struct avr_builtin_description, avr_bdesc): Move up.
602 Add GTY marker. Add field fndecl. Remove redundant field id.
603 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
604 (avr_expand_builtin): Code cleanup because .id is removed.
606 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
609 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
612 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
614 Backport from 2012-03-28 mainline r185907.
617 * config.gcc (tm_file): Remove avr/multilib.h.
619 * doc/invoke.texi (AVR Options): Adjust
620 documentation of -mtiny-stack.
622 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
623 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
624 * config/avr/t-avr: Remove generation of multilib.h.
625 * config/avr/t-multilib: Regenerate.
626 * config/avr/multilib.h: Remove.
627 * config/avr/avr.opt (-msp8): New option.
628 (avr_sp8): New variable.
629 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
630 * config/avr/avr.h (AVR_HAVE_SPH): New define.
631 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
632 (avr_device_to_sp8): New prototype.
633 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
634 (DRIVER_SELF_SPECS): New define.
635 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
636 __AVR_SP8__, __AVR_HAVE_SPH__.
637 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
638 AVR_HAVE_8BIT_SP to decide if SP_H is present.
639 (avr_file_start): Ditto.
641 2012-03-28 Jakub Jelinek <jakub@redhat.com>
644 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
645 instead of 8 in adjust_address.
647 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
649 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
650 of a unit before computing the offset in units.
652 2012-03-27 Richard Guenther <rguenther@suse.de>
655 * fold-const.c (try_move_mult_to_index): Handle &x.array more
658 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
661 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
663 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
666 * varasm.c: Include pointer-set.h.
667 (pending_assemble_externals_set): New pointer set.
668 (process_pending_assemble_externals): Destroy the pointer set.
669 (assemble_external): See if decl is in pending_assemble_externals_set,
670 and add it to pending_assemble_externals if necessary.
671 (init_varasm_once): Allocate pending_assemble_externals_set.
673 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
675 Backported from mainline
676 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
679 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
680 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
681 (vector_ltgt<mode>): Likewise.
682 (vector_ordered<mode>): Likewise.
683 (vector_unordered<mode>): Likewise.
684 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
686 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
688 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
691 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
693 Backported from mainline
694 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
698 * config/sh/sh.c (sh_register_move_cost): Increase cost between
699 GENERAL_REGS and FP_REGS for SImode.
701 2012-03-22 Jakub Jelinek <jakub@redhat.com>
704 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
705 on any new_local_var_chain vars declared during recursing on
706 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
708 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
710 Backport from 2012-03-22 mainline r185692.
713 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
714 (unspecv): Add UNSPECV_MEMORY_BARRIER.
715 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
716 (delay_cycles_1, delay_cycles_2): Ditto.
717 (delay_cycles_3, delay_cycles_4): Ditto.
718 (nopv, *nopv): Ditto.
719 (sleep, *sleep): Ditto.
722 Backport from 2012-03-21 mainline r185605.
724 PR rtl-optimization/52543
726 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
727 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
728 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
729 (avr_load_libgcc_p): Restrict to __flash loads.
730 (avr_out_lpm): Only handle 1-byte loads from __flash.
731 (avr_load_lpm): New function.
732 (avr_find_unused_d_reg): Remove.
733 (avr_out_lpm_no_lpmx): Remove.
734 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
735 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
736 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
737 (load_<mode>, load_<mode>_clobber): New insns.
738 (mov<mode>): For multi-byte move from non-generic
739 16-bit address spaces: Expand to load_<mode> resp.
741 (load<mode>_libgcc): Remove expander.
742 (split-lpmx): Remove split.
744 Backport from 2012-03-13 mainline r185329.
747 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
748 offset (size) to a value the insns can deal with.
749 (expand_epilogue): Ditto.
751 Backport from 2012-03-12 mainline r185256.
754 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
755 type from reg_class_t to enum reg_class.
756 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
758 Backport from 2012-03-12 mainline r185253.
761 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
762 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
763 r184615 from 2012-02-28.
765 Backport from 2012-03-08 mainline r185105.
767 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
768 for constants in [-63,63].
770 Backport from 2012-03-08 mainline r185100.
773 * config/avr/avr.c (avr_mem_clobber): New static function.
774 (avr_expand_delay_cycles): Add memory clobber operand to
775 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
776 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
777 (enable_interrupt, disable_interrupt): New expander.
778 (nopv, sleep, wdr): New expanders.
779 (delay_cycles_1): Add memory clobber.
780 (delay_cycles_2): Add memory clobber.
781 (delay_cycles_3): Add memory clobber.
782 (delay_cycles_4): Add memory clobber.
783 (cli_sei): New insn from former "enable_interrupt",
784 "disable_interrupt" with memory clobber.
785 (*wdt): New insn from former "wdt" with memory clobber.
786 (*nopv): Similar, but for "nopv".
787 (*sleep): Similar, but for "sleep".
789 Backport from 2012-03-07 mainline r185043.
792 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
794 Backport from 2012-03-07 mainline r185032.
797 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
798 to: RAMPZ, RAMPY, RAMPX, RAMPD.
799 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
801 Backport from 2012-03-07 mainline r185031.
804 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
806 * config/avr/avr.md (xload_8): Adjust insn length.
808 Backport from 2012-03-07 mainline r185030.
811 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
812 if RAMPZ affects reading from RAM.
814 Backport from 2012-03-05 mainline r184919.
816 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
818 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
820 Backport from mainline r185259.
823 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
824 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
826 2012-03-22 Jakub Jelinek <jakub@redhat.com>
828 Backported from mainline
829 2012-03-13 Jakub Jelinek <jakub@redhat.com>
832 * c-parser.c (c_parser_postfix_expression)
833 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
835 * config/i386/smmintrin.h: Avoid /* within a comment.
836 * config/i386/nmmintrin.h: Likewise.
838 2012-03-22 Richard Guenther <rguenther@suse.de>
840 * BASE-VER: Set to 4.7.1.
841 * DEV-PHASE: Set to prerelease.
843 2012-03-22 Release Manager
845 * GCC 4.7.0 released.
847 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
849 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
851 2012-03-15 Jakub Jelinek <jakub@redhat.com>
852 Andrew Pinski <apinski@cavium.com>
855 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
856 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
857 calls instead of __builtin_ir{int,ound}*.
859 2012-03-14 Jakub Jelinek <jakub@redhat.com>
862 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
865 2012-03-13 Joseph Myers <joseph@codesourcery.com>
867 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
868 Refer to GCC 4.7 version of c99status.html.
870 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
872 Backport from mainline
873 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
875 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
876 redefine to be NULL if the current bit-size is different from the
879 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
880 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
881 set the default tuning. Add asserts to make sure the cpu and tune
882 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
883 test whether the index is set, instead of > 0.
884 (rs6000_file_start): Do not reset the default cpu if the current
885 bit-size is different from the configured bit-size.
887 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
889 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
891 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
892 Update binutils references.
893 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
894 Update binutils reference.
895 Update Sun as/GNU ld caveat.
896 Document binutils largefile requirement for LTO plugin.
897 Remove reference to alternate libpthread.
899 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
901 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
903 (Specific, mips-sgi-irix6): Likewise.
905 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
907 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
908 * configure: Regenerate.
910 2012-03-07 Richard Henderson <rth@redhat.com>
912 * config/m68k/m68k.h (ISA_HAS_TAS): New.
913 * config/m68k/sync.md (atomic_test_and_set): Use it.
914 (atomic_test_and_set_1): Likewise.
916 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
919 * Makefile.in: Let install-gcc-ar depend on installdirs,
920 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
921 Don't double canonicalize if cross-compiling.
923 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
925 * trans-mem.c: New typedef for tm_region_p.
926 Define vector types for tm_region_p.
927 (tm_region_init): Replace region_worklist to a vector called
930 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
933 * trans-mem.c (tm_region_init): Use last_basic_block.
935 2012-03-05 Richard Henderson <rth@redhat.com>
938 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
939 * omp-low.c (expand_omp_atomic): Assume anything aligned to
940 BIGGEST_ALIGNMENT is aligned.
942 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
944 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
946 2012-03-05 Richard Henderson <rth@redhat.com>
949 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
950 instead of calling negqi2 directly.
952 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
954 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
955 (INTMAX_TYPE): Use it.
956 (UINTMAX_TYPE): Likewise.
957 (SUBTARGET_OVERRIDE_OPTIONS): Define.
958 (irix6_c_common_override_options): Declare.
959 (C_COMMON_OVERRIDE_OPTIONS): Define.
960 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
961 * config/mips/irix6-c.c: New file.
962 * config/mips/t-irix6 (irix6-c.o): New target.
963 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
966 2012-03-02 Richard Henderson <rth@redhat.com>
968 * optabs.c (expand_atomic_test_and_set): Honor
969 atomic_test_and_set_trueval even when atomic_test_and_set
972 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
974 Backport from mainline
975 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
977 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
979 2012-03-02 Richard Guenther <rguenther@suse.de>
981 * DEV-PHASE: Set to prerelease.
983 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
985 * config.gcc (obsolete): Add all ARM targets using the FPA.
986 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
987 * doc/install.texi: Avoid references to obsolete ARM ports.
989 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
991 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
993 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
994 Joern Rennecke <joern.rennecke@embecosm.com>
996 * doc/extend.texi: Expand and update information on interrupt
997 attribute for Epiphany.
999 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1001 * config/sh/sh-protos.h: Update copyright notice dates.
1002 * config/sh/sh.h: Likewise.
1003 * config/sh/sh.md: Likewise.
1004 * config/sh/constraints.md: Likewise.
1005 * config/sh/predicates.md: Likewise.
1007 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1009 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1010 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1012 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1014 * config/sh/constraints.md: Fix comment typo.
1016 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1019 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1020 unsigned HOST_WIDE_INT.
1021 (zvdep_imm64): Likewise.
1022 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1023 (vdepi_and): Likewise.
1024 Likewise for unamed 64-bit patterns.
1025 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1027 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1030 PR rtl-optimization/52417
1031 * cselib.c (cselib_any_perm_equivs): New variable.
1032 (cselib_reset_table): Check that it's not set when not
1033 preserving constants.
1034 (cselib_add_permanent_equiv): Set it.
1035 (cselib_have_permanent_equivalences): New.
1036 (cselib_init, cselib_finish): Reset it.
1037 * cselib.h (cselib_have_permanent_equivalences): Declare.
1038 * alias.c (get_addr): Restore earlier behavior when there
1039 aren't permanent equivalences.
1041 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1043 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1044 * config/v850/v850-modes.def: Fix copyright notice.
1046 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1048 * doc/extend.texi (AVR Built-in Functions): Document
1049 __builtin_avr_flash_segment.
1051 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1052 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1053 (*split.flash_segment): New insn-and-split.
1054 * config/avr/avr.c (avr_init_builtins): Add local variables:
1055 const_memx_void_node, const_memx_ptr_type_node,
1056 char_ftype_const_memx_ptr.
1058 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1060 PR tree-optimization/52445
1061 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1062 add ssa_name_ver, offset and size fields and change store field
1064 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1065 (add_or_mark_expr): Likewise. Only consider previous stores
1066 with the same size and offset.
1067 (nt_init_block): Only look at gimple_assign_single_p stmts,
1068 doesn't look at rhs2.
1070 2012-03-01 Richard Guenther <rguenther@suse.de>
1073 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1074 conversions from integral types to pointer types.
1076 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1078 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1079 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1080 unintentionally removed in r184616.
1082 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1084 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1087 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1088 Uros Bizjak <ubizjak@gmail.com>
1091 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1092 alternatives, add "e" constraint to the new last alternative
1093 and ! to last 3 alternatives.
1095 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1097 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1098 DW_AT_artificial attributes at the end of the processing.
1099 (gen_array_type_die): Likewise.
1100 (gen_enumeration_type_die): Likewise.
1101 (gen_struct_or_union_type_die): Likewise.
1102 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1105 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1108 * expr.c (expand_assignment): If doing misaligned store that doesn't
1109 cover all mode bits, perform a RMW cycle.
1111 PR tree-optimization/52429
1112 * tree-parloops.c (separate_decls_in_region_debug): Return early
1113 if var is LABEL_DECL.
1115 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1117 PR tree-optimization/52424
1118 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1119 calling dom_thread_across_edge.
1121 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1123 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1125 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1127 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1128 * config/avr/avr.c (avr_output_bld): Remove unused function.
1129 (avr_out_sbxx_branch): Use "%T" to print bit position.
1131 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1133 * config/avr/avr.md: Untabify.
1135 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1137 * config/avr/avr.md (eqne): New code iterator.
1138 (*dec-and-branchsi): Use it in text peephole's condition.
1139 (*dec-and-branchhi): Ditto.
1140 (*dec-and-branchqi): Ditto.
1142 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1145 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1146 the device does not have the skip-bug.
1148 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1150 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1151 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1152 -mpretend-cmove): New.
1154 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1157 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1158 doesn't count DEBUG_INSN refs.
1159 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1160 for DEBUG_INSN refs.
1162 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1166 2012-02-20 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/52298
1168 * tree-vect-stmts.c (vectorizable_load): Properly use
1169 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1172 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1175 * gimple.h (gimple_in_transaction): New.
1176 (gimple_set_in_transaction): New.
1177 (struct gimple_statement_base): Add in_transaction field.
1178 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1180 (tree_ssa_lim_initialize): Compute transaction bits.
1181 * tree.h (compute_transaction_bits): Protoize.
1182 * trans-mem.c (tm_region_init): Use the heap to store BB
1184 (compute_transaction_bits): New.
1186 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1188 * gcc.c (display_help): Document --help=common and sort entries
1191 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1193 * doc/install.texi: Document check-$LANG specific shortcuts
1195 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1198 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1200 * config/arm/arm_neon.h: Regenerate.
1201 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1202 (neon_vcgeu): New insn.
1203 (neon_vcgtu): Likewise.
1204 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1205 (ops): Unsigned comparison intrinsics call a different
1208 2012-02-28 Richard Guenther <rguenther@suse.de>
1211 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1212 ordering for the VEC_CONCAT for two element vectors for
1213 V2SFmode, V2SImode and V2DImode.
1215 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1218 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1219 detecting big-endian triplets.
1221 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1223 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1224 mode if there is no type information available.
1226 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1228 PR tree-optimization/53207
1229 * doc/invoke.texi: Document as experimental and relying on graphite.
1231 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1233 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1234 of initializer to changes from r184614.
1236 2012-02-28 Richard Guenther <rguenther@suse.de>
1238 PR tree-optimization/52395
1239 * tree-sra.c (build_ref_for_offset): Also look at the base
1240 TYPE_ALIGN when figuring out the alignment of the replacement.
1242 2012-02-28 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/52402
1245 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1246 mis-aligned types when creating the accesses at the call site.
1248 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1250 * config/avr/builtins.def: New file.
1251 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1252 * config/avr/avr.c (enum avr_builtin_id): Use it.
1253 (avr_init_builtins): Use it. And use avr_bdesc.
1254 (bdesc_1arg): Remove.
1255 (bdesc_2arg): Remove.
1256 (bdesc_3arg): Remove.
1257 (struct avr_builtin_description): Add field n_args.
1258 (avr_bdesc): New static variable using builtins.def.
1259 (avr_expand_builtin): Use it.
1260 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1261 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1262 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1264 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1267 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1268 match only one single hard register with respective hard reg rtx.
1269 (movmemx_<mode>): Ditto.
1270 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1271 insn anatomy of movmem[x]_<mode>.
1272 (avr_out_movmem): Same for printing assembler and operand usage.
1274 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1278 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1279 address spaces located outside of device flash.
1281 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1282 (mcu_type_s): Add field n_flash.
1283 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1284 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1285 (AVR_MCU): Add N_FLASH argument.
1286 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1287 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1288 macro __FLASH<n> if that address space makes sense for the device.
1289 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1290 outside of target flash.
1291 (avr_asm_named_section): Ditto.
1292 (avr_asm_select_section): Ditto.
1293 (avr_addr_space_convert): Ditto.
1294 (avr_emit_movmemhi): Ditto.
1295 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1296 address space is outside of device flash.
1297 (avr_insert_attributes): Ditto.
1298 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1299 avr_current_arch->n_segments.
1301 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1304 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1306 (*movabs<mode>_2): Likewise.
1308 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1311 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1312 s_register_operand in the test instead of REG_P. Don't call
1313 gen_reg_rtx if it won't be used.
1315 PR tree-optimization/52376
1316 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1318 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1320 * ifcvt.c (noce_get_condition): Check condition variable is not
1321 small_register_classes_for_mode_p before accepting.
1323 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1325 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1327 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1330 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1331 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1333 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1335 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1337 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1339 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1341 * config/sh/predicates.md: Remove blank lines.
1342 * config/sh/sh.c: Fix typos in comments.
1343 * config/sh/constraints.md: Likewise.
1344 * config/sh/sh.md: Remove blank lines.
1345 Fix typos in comments. Use ;; as comment characters.
1347 2012-02-26 Walter Lee <walt@tilera.com>
1349 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1350 (replace_mov_pcrel_step2): Ditto.
1352 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1355 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1356 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1357 and locs that reference values newer than the non-canonical value
1358 at hand. Return the canonical value as a worst case.
1359 (memrefs_conflict_p): Walk canonical value's locs.
1362 * cselib.c (preserve_only_constants): Rename to...
1363 (preserve_constants_and_equivs): ... this. Split out...
1364 (invariant_or_equiv_p): ... this. Preserve plus expressions
1365 of other preserved expressions too.
1366 (cselib_reset_table): Adjust.
1367 * var-tracking.c (reverse_op): Use canonical value to build
1370 2012-02-23 Kai Tietz <ktietz@redhat.com>
1372 * config/i386/i386.c (ix86_delegitimize_address): Handle
1373 UNSPEC_PCREL plus displacement.
1375 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1378 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1379 to test for unusedness in st X addressing.
1381 2012-02-24 Richard Guenther <rguenther@suse.de>
1384 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1385 (is_gimple_reg_type): Move inline ...
1386 * gimple.h (is_gimple_reg_type): ... here.
1388 2012-02-24 Richard Guenther <rguenther@suse.de>
1391 * passes.c (execute_function_todo): When verifying SSA form
1392 verify gimple form first.
1393 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1395 2012-02-24 Richard Guenther <rguenther@suse.de>
1398 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1399 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1401 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1403 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1405 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1407 * tree-phinodes.c (make_phi_node): Mark static.
1408 * tree-flow.h (make_phi_node): Remove extern decl.
1409 * doc/gimple.texi (make_phi_node): Remove documentation.
1411 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1413 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1414 * tree-ssa-sccvn.c (print_scc): Ditto.
1416 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1418 * doc/passes.texi (Full redundancy elimination): Fix typo.
1420 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1422 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1424 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1427 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1429 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1432 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1434 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1436 * config/avr/avr.md (code_stdname): Add ior, xor.
1437 (xior): New code iterator.
1438 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1439 (*<code_stdname><mode>qi.byte1-3): Ditto.
1441 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1443 PR tree-optimization/52019
1444 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1447 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1449 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1450 HAVE_INITFINI_ARRAY to work around namespace pollution in
1451 certain versions of newlib system headers.
1452 * config.in: Regenerate.
1453 * configure: Regenerate.
1454 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1455 instead of HAVE_INITFINI_ARRAY.
1457 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1460 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1461 is not offsettable memory reference.
1463 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1466 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1467 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1469 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1471 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1472 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1474 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1476 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1477 library on Solaris 8 even without TLS support.
1478 * configure: Regenerate.
1480 2012-02-22 Richard Guenther <rguenther@suse.de>
1483 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1484 for GIMPLE_DEBUG stmts.
1486 2012-02-22 Martin Jambor <mjambor@suse.cz>
1489 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1490 according to the base object.
1492 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1494 PR rtl-optimization/50063
1495 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1496 and 2 (8-bit SP) in operand 2.
1497 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1498 setup to use movhi_sp_r instead of vanilla move to write SP.
1499 Adjust REG_CFA notes to superseed unspec.
1500 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1502 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1503 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1504 irq_state 1 (IRQ known to be on) here.
1506 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1508 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1510 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1511 assign_hard_reg): Likewise.
1513 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1515 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1517 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1520 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1521 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1523 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1525 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1526 prototype from here to...
1527 * config/avr/avr.h: ...here.
1529 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1532 * thumb2.md (thumb2_shiftsi3_short): Split register and
1533 immediate shifts. For register shifts tie operands 0 and 1.
1534 (peephole2 for above): Check that register-controlled shifts
1535 have suitably tied operands.
1537 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1540 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1541 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1542 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1543 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1544 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1545 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1546 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1547 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1548 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1549 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1550 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1551 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1552 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1553 bdver1_ssevector_avx256_unaligned_load,
1554 bdver1_ssevector_sse128_unaligned_load,
1555 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1556 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1557 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1558 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1559 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1560 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1561 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1562 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1563 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1564 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1565 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1566 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1567 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1568 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1569 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1570 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1571 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1572 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1573 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1574 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1575 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1576 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1577 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1578 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1579 bdver1_ssediv_double_load, bdver1_ssediv_double,
1580 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1581 Add "bdver2" attribute.
1583 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1585 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1586 default if possible and not specified otherwise.
1588 2012-02-21 Richard Guenther <rguenther@suse.de>
1591 * gimplify.c (create_tmp_from_val): Use the main variant type
1592 for the type of the temporary we create.
1594 2012-02-21 Richard Guenther <rguenther@suse.de>
1596 PR tree-optimization/52324
1597 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1598 do not gimplify a MEM_REF address operand if it is already
1601 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1603 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1604 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1606 2012-02-21 Richard Guenther <rguenther@suse.de>
1608 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1609 nested_in_vect_loop.
1611 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1613 PR tree-optimization/52318
1614 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1615 vdef also to non-pure/const call stmts in the sequence.
1617 2012-02-20 David S. Miller <davem@davemloft.net>
1619 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1620 don't use the "rd %pc" instruction on v9 for PIC register loads.
1622 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1625 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1626 in a transaction safe function.
1628 2012-02-20 Kai Tietz <ktietz@redhat.com>
1631 * stor-layout.c (place_field): Handle desired_align for
1634 2012-02-20 Richard Guenther <rguenther@suse.de>
1636 PR tree-optimization/52298
1637 * tree-vect-stmts.c (vectorizable_store): Properly use
1638 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1640 (vectorizable_load): Likewise.
1641 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1642 Access DR_STEP after ensuring it is not NULL.
1644 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1646 PR tree-optimization/52286
1647 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1648 optimization use double_int_to_tree instead of build_int_cst_wide,
1649 rewrite to use double_int vars.
1651 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1654 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1656 Remove -e 0 from $gcc_cv_ld invocation.
1657 Only use __GLIBC_PREREQ if defined.
1658 Enable on Solaris since Solaris 8 patch.
1659 (gcc_SUN_LD_VERSION): New macro.
1660 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1661 gcc_SUN_LD_VERSION for version number format.
1662 * configure: Regenerate.
1663 * varasm.c (get_elf_initfini_array_priority_section): Set
1664 SECTION_NOTYPE for non-default priority.
1665 Use get_section instead of get_unnamed_section to emit
1666 .init_array/.fini_array with default priority.
1668 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1670 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1671 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1672 (mips_start_unique_function, mips_output_mips16_rdhwr)
1673 (mips_code_end): New functions.
1674 (TARGET_ASM_CODE_END): Define.
1676 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1678 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1679 to stubs with non-sibling calls.
1681 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1683 * doc/invoke.texi (-fira-* options): Copy-edit.
1684 (ira-* parameters): Copy-edit.
1686 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1688 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1689 GCC coding conventions.
1691 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1693 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1694 when used as adjectives.
1696 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1698 * doc/invoke.texi: Clean up "that"/"which" confusion.
1700 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1702 * system.h: Poison SMALL_REGISTER_CLASSES
1703 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1704 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1706 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1708 PR tree-optimization/52285
1709 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1710 when deciding if a call is a tail call or tail recursion.
1712 2012-02-16 Kai Tietz <ktietz@redhat.com>
1714 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1715 interger-constant displacement for UNSPEC_PCREL.
1717 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1719 PR rtl-optimization/52208
1720 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1721 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1723 PR tree-optimization/52255
1724 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1725 loop->header has virtual PHI, but exit_e->dest doesn't, add
1726 virtual PHI to exit_e->dest and adjust all uses after the loop.
1729 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1730 children with clone_tree_hash, not after it.
1732 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1734 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1735 extended identifiers.
1737 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1740 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1741 a same_body_alias, also test whether e->callee isn't a former
1742 or current clone of the decl this is a same body alias of.
1744 PR translation/52264
1745 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1747 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1749 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1751 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1754 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1755 force_reg instead of copy_to_reg for better optimization. Force
1756 non-register or memory operands into a register.
1758 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1760 * extend.texi: Reserve upper bits of memory model for future use.
1762 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1763 Anatoly Sokolov <aesok@post.ru>
1764 Eric Weddington <eric.weddington@atmel.com>
1767 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1768 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1769 Rewrite initializers for .macro.
1770 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1771 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1772 atxmega32d4, atxmega32x1.
1773 avrxmega4: atxmega64a3, atxmega64d3.
1774 avrxmega5: atxmega64a1, atxmega64a1u.
1775 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1776 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1777 avrxmega7: atxmega128a1, atxmega128a1u.
1778 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1779 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1780 (struct base_arch_s): Rename reserved to xmega_p.
1781 Rename reserved2 to have_rampd.
1782 (AVR_XMEGA): New define.
1783 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1784 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1785 * config/avr/predicates.md (io_address_operand): Take into
1787 (low_io_address_operand): Ditto.
1788 (high_io_address_operand): Ditto.
1789 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1790 (enabled, movhi_sp_r): Use them.
1791 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1792 cpp_define_formatted to built-in define __AVR_ARCH__.
1793 (__AVR_XMEGA__): New built-in define.
1794 (__AVR_HAVE_RAMPD__): New built-in define.
1795 (__AVR_HAVE_RAMPX__): New built-in define.
1796 (__AVR_HAVE_RAMPY__): New built-in define.
1797 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1799 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1800 (avr_option_override): Initialize them.
1801 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1802 (avr_init_expanders): Initialize them. No more block several calls.
1803 (emit_push_sfr): New static function.
1804 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1806 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1807 (avr_print_operand): Print addreeses as symbols for
1808 RAMPX, RAMPY, RAMPD, CCP.
1809 (output_movhi): Handle AVR_XMEGA when writing to SP.
1810 (avr_out_movhi_mr_r_xmega): New static function.
1811 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1812 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1813 __RAMPD__, __CCP__ as needed.
1815 * config/avr/multilib.h: Regenerate.
1816 * config/avr/t-multilib: Regenerate.
1817 * config/avr/avr-tables.opt: Regenerate.
1819 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1821 PR tree-optimization/50561
1822 * graphite-flattening.c (lst_project_loop): Do not
1823 remove old scattering dimensions after flattening.
1824 (lst_do_flatten): Likewise.
1826 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1828 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1829 __builtin_avr_map8, __builtin_avr_map16.
1830 Document __builtin_avr_insert_bits.
1832 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1833 (insert_bits): New insn.
1834 (adjust_len.map_bits): Rename to insert_bits.
1835 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1836 * avr-protos.h (avr_out_map_bits): Remove.
1837 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1838 * config/avr/constraints.md (Cxf,C0f): New.
1839 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1840 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1841 New built-in define __BUILTIN_AVR_INSERT_BITS.
1842 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1843 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1844 (avr_move_bits): Rewrite.
1845 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1847 (avr_map_op_t): New typedef.
1848 (avr_map_op): New static variable.
1849 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1850 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1851 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1852 (bdesc_3arg, avr_expand_triop_builtin): New.
1853 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1854 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1855 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1856 (avr_map_equal_p, avr_map_sig_p): Remove.
1857 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1858 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1859 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1860 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1861 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1862 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1864 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1866 * config/c6x/c6x.md (reserve_cycles): New attribute.
1867 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1868 don't reserve functional units after the branch occurs.
1870 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1873 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1874 functions into non-tm_pure functions.
1876 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1879 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1880 (iterative_hash_canonical_type): Likewise.
1881 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1884 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1886 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1887 sched-group insn, it either remains alone or the entire list is pruned.
1889 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1891 * doc/install.texi (Prerequisites): Fix grammar.
1892 (Configuration): Likewise.
1894 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1896 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1897 MPC as part of GCC before describing configuring with --with-gmp etc.
1898 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1899 sources are present.
1901 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1904 * dwarf2out.c (clone_tree_hash): New function.
1905 (copy_decls_walk): Use it instead of clone_tree.
1907 2012-02-14 Richard Guenther <rguenther@suse.de>
1909 PR tree-optimization/52244
1910 PR tree-optimization/51528
1911 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1912 replacements for integral types.
1914 2012-02-14 Walter Lee <walt@tilera.com>
1916 * config.gcc: Handle tilegx and tilepro.
1917 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1919 Add HAVE_AS_TLS check for tilegx and tilepro.
1920 * configure: Regenerate.
1921 * doc/contrib.texi: Add Mat Hostetter and self.
1922 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1923 Document instruction intrinsics and network accessing intrinsics.
1924 (TILEPro Built-in Functions): New node. Document instruction
1925 intrinsics and network accessing intrinsics.
1926 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1927 (Specific, tilepro-*-linux*): Likewise.
1928 * doc/invoke.texi (TILE-Gx Options): New section.
1929 (TILEPro Options): New section.
1930 * doc/md.texi (TILE-Gx): New section.
1931 (TILEPro): New section.
1932 * common/config/tilegx/tilegx-common.c: New file.
1933 * common/config/tilepro/tilepro-common.c: New file.
1934 * config/tilegx/constraints.md: New file.
1935 * config/tilegx/linux.h: New file.
1936 * config/tilegx/mul-tables.c: New file.
1937 * config/tilegx/predicates.md: New file.
1938 * config/tilegx/sync.md: New file.
1939 * config/tilegx/t-tilegx: New file.
1940 * config/tilegx/tilegx-builtins.h: New file.
1941 * config/tilegx/tilegx-c.c: New file.
1942 * config/tilegx/tilegx-generic.md: New file.
1943 * config/tilegx/tilegx-modes.def: New file.
1944 * config/tilegx/tilegx-multiply.h: New file.
1945 * config/tilegx/tilegx-protos.h: New file.
1946 * config/tilegx/tilegx.c: New file.
1947 * config/tilegx/tilegx.h: New file.
1948 * config/tilegx/tilegx.md: New file.
1949 * config/tilegx/tilegx.opt: New file.
1950 * config/tilepro/constraints.md: New file.
1951 * config/tilepro/gen-mul-tables.cc: New file.
1952 * config/tilepro/linux.h: New file.
1953 * config/tilepro/mul-tables.c: New file.
1954 * config/tilepro/predicates.md: New file.
1955 * config/tilepro/t-tilepro: New file.
1956 * config/tilepro/tilepro-builtins.h: New file.
1957 * config/tilepro/tilepro-c.c: New file.
1958 * config/tilepro/tilepro-generic.md: New file.
1959 * config/tilepro/tilepro-modes.def: New file.
1960 * config/tilepro/tilepro-multiply.h: New file.
1961 * config/tilepro/tilepro-protos.h: New file.
1962 * config/tilepro/tilepro.c: New file.
1963 * config/tilepro/tilepro.h: New file.
1964 * config/tilepro/tilepro.md: New file.
1965 * config/tilepro/tilepro.opt: New file.
1967 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1969 PR tree-optimization/52210
1970 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1971 vect_model_simple_cost with two entry vect_def_type array instead
1972 of an address of dt.
1974 2012-02-14 Richard Guenther <rguenther@suse.de>
1977 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1978 Do not stream DECL_QUALIFIER.
1979 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1980 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1981 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1983 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1986 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1989 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1992 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1993 * cselib.c (cselib_subst_to_values_from_insn): New function.
1994 * sched-deps.c (add_insn_mem_dependence,
1995 sched_analyze_1, sched_analyze_2): Use it.
1997 2012-02-13 Jan Hubicka <jh@suse.cz>
2000 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2002 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2004 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2005 (GTM_SELF_SPECS): Define if not already defined.
2006 (driver_self_specs): Add GTM_SELF_SPECS.
2007 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2008 (GTM_SELF_SPECS): Define.
2009 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2010 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2012 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2014 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2017 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2020 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2021 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2023 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2026 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2028 2012-02-13 Richard Guenther <rguenther@suse.de>
2030 PR translation/52211
2031 * passes.c (enable_disable_pass): Fix typo.
2033 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2036 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2037 XOR for reduce_bit_field if type is unsigned.
2039 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2041 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2042 disallow changes from SFmode to mode with different size in FP regs.
2044 2012-02-12 Robert Millan <rmh@gnu.org>
2045 Gerald Pfeifer <gerald@pfeifer.com>
2047 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2050 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2052 PR rtl-optimization/52175
2053 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2054 to frame-related instructions.
2056 2012-02-10 Jason Merrill <jason@redhat.com>
2059 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2060 (demangle_new_symbols): Fill it.
2061 (scan_linker_output): Walk it.
2062 (start_tweaking): Split out from scan_linker_output.
2063 (maybe_tweak): Update sym->chosen.
2064 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2066 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2069 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2071 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2073 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2074 having the same mode as previous compare.
2076 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2078 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2079 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2080 (nonlocal_goto_internal): Likewise.
2081 (nonlocal_goto): Emit a use and an indirect jump directly.
2083 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2086 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2087 __atomic_{is,always}_lock_free.
2089 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2092 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2093 negative constant address for x32.
2095 2012-02-10 Richard Henderson <rth@redhat.com>
2097 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2098 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2099 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2101 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2102 Ira Rosen <irar@il.ibm.com>
2104 PR tree-optimization/50031
2105 * targhooks.c (default_builtin_vectorization_cost): Handle
2107 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2108 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2109 all types of reduction and pattern statements.
2110 (vect_estimate_min_profitable_iters): Likewise.
2111 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2112 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2113 for explicit realigns.
2114 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2115 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2117 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2118 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2119 vec_perm for VSX and handle vec_promote_demote.
2121 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2124 * builtins.c (fold_builtin_atomic_always_lock_free,
2125 expand_builtin_atomic_always_lock_free,
2126 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2127 Return and/or test boolean_true_node/boolean_false_node instead of
2128 integer_one_node/integer_zero_node.
2130 2012-02-10 Jan Hubicka <jh@suse.cz>
2133 * predict.c (predict_paths_for_bb): Prevent looping.
2134 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2136 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2138 * config/arm/arm.c (output_move_double): In one case properly
2139 count number of instructions that will be emitted.
2141 2012-02-10 Richard Guenther <rguenther@suse.de>
2143 PR translation/52193
2144 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2146 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2149 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2151 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2154 * var-tracking.c (emit_note_insn_var_location): If
2155 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2156 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2157 non-NOTE_DURING_CALL_P insn.
2159 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2162 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2164 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2167 * gcc.c (switch_matches) Support switches with separated form,
2170 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2172 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2174 (RAMPZ_ADDR): Ditto.
2175 * config/avr/avr.c (avr_addr_t): New typedef.
2176 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2177 (avr_init_expanders): Initialize it.
2178 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2180 (expand_epilogue): Ditto.
2181 (avr_print_operand): Ditto.
2182 (avr_file_start): Ditto.
2183 (avr_emit_movmemhi): Ditto.
2185 2012-02-08 Richard Guenther <rguenther@suse.de>
2187 PR tree-optimization/46886
2188 * tree-flow.h (do_while_loop_p): Declare.
2189 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2190 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2192 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2194 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2195 always succeed for integers larger than a native word.
2197 2012-02-08 Richard Guenther <rguenther@suse.de>
2199 PR rtl-optimization/52170
2200 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2201 properly handle integer vector modes.
2203 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2205 PR gcov-profile/52150
2206 * coverage.c: Include target.h.
2207 (build_var): Call targetm.strip_name_encoding on the assembler name.
2208 Change one _ into . or $ if the target allows it.
2209 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2211 PR rtl-optimization/52139
2212 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2213 is a BARRIER after emit_insn_after_noloc, move BB_END
2214 to the last non-BARRIER insn before it.
2216 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2219 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2220 (mips_gimplify_va_arg_expr): Call it instead of
2221 std_gimplify_va_arg_expr.
2223 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2225 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2226 message for -mno-pointers-to-nested-function.
2228 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2231 * expr.c (get_inner_reference): If there is an offset, add a negative
2232 bit position to it (if any).
2234 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2236 PR rtl-optimization/52060
2237 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2238 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2239 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2240 and/or i0src_copy2 when needed.
2242 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2244 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2245 or LTOPLUGINSONAME if have_c.
2247 * config/freebsd-spec.h: Add comment about what macros can be defined
2249 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2250 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2253 2012-02-07 Richard Guenther <rguenther@suse.de>
2255 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2256 newline in -alias dumps.
2258 2012-02-07 Kai Tietz <ktietz@redhat.com>
2259 Dave Korn <dave.korn.cygwin@gmail.com>
2262 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2263 Take care that typinfo gets dllexport-attribute.
2265 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2268 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2269 if modifier < EXPAND_SUM call force_operand on the result.
2271 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2273 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2274 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2276 (epiphany_function_type): Replace types for specific interrupts with
2277 EPIPHANY_FUNCTION_INTERRUPT.
2278 (EPIPHANY_INTERRUPT_P): Update.
2279 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2280 New static function.
2281 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2282 <disinterrupt>: Affects type identity.
2283 (epiphany_handle_interrupt_attribute): Handle variable number of
2285 (epiphany_compute_function_type): Update for new
2286 epiphany_function_type definition.
2287 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2288 handlers with a longcall forwarder.
2289 (epiphany_start_function): Handle multiple interrupt arguments and/or
2290 forwarder_section attribute.
2292 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2295 2012-02-07 Alan Modra <amodra@gmail.com>
2298 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2301 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2303 PR tree-optimization/50969
2304 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2305 use vec_perm rather than vector_stmt.
2306 (vect_model_load_cost): Likewise.
2307 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2308 vec_perm to be the same as other vector statements.
2309 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2310 cost of vec_perm for TARGET_VSX.
2312 2012-02-06 Richard Guenther <rguenther@suse.de>
2314 PR tree-optimization/52115
2315 * tree-sra.c (access_has_replacements_p): New function.
2316 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2318 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2321 * trans-mem.c (expand_call_tm): Add an assertion.
2322 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2325 2012-02-06 Richard Guenther <rguenther@suse.de>
2327 PR tree-optimization/50955
2328 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2329 raise cost of expressions that replace an address with an
2330 expression based on a different pointer.
2332 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2335 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2336 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2338 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2341 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2342 -Weffc++ and specify guidelines come from second edition.
2344 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2346 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2347 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2348 (call_direct_split, call_value_split, call_value_internal_direct)
2349 (call_value_direct_split, call_value_multiple_split): Use jal and
2350 jal_macro attributes.
2352 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2354 * reload1.c (reload_regs_reach_end_p): Replace with...
2355 (reload_reg_rtx_reaches_end_p): ...this function.
2356 (new_spill_reg_store): Update commentary.
2357 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2358 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2359 before setting new_spill_reg_store.
2360 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2361 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2362 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2363 for non-spill reload registers.
2365 2012-02-05 Ira Rosen <irar@il.ibm.com>
2367 PR tree-optimization/52091
2368 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2369 (vect_is_simple_use_1): Likewise.
2370 * tree-vect-loop.c (vectorizable_reduction): Update calls
2371 to vect_is_simple_use_1 and vect_is_simple_use.
2372 (vectorizable_live_operation): Likewise.
2373 * tree-vect-patterns.c (widened_name_p,
2374 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2375 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2376 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2377 vectorizable_shift,vectorizable_operation, vectorizable_store,
2378 vectorizable_load): Likewise.
2379 (vect_is_simple_cond): Add an argument, pass it to
2380 vect_is_simple_use_1.
2381 (vectorizable_condition): Update calls to vect_is_simple_cond,
2383 (vect_is_simple_use): Add an argument, the statement in which
2384 OPERAND is used. Check that if OPERAND's def stmt is a double
2385 reduction phi node, the use is a phi node too.
2386 (vect_is_simple_use_1): Add an argument, pass it to
2388 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2389 to vect_is_simple_use.
2391 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2393 PR rtl-optimization/52095
2394 * modulo-sched.c (dump_insn_locator): New function.
2395 (loop_canon_p, sms_schedule): Use it.
2397 PR rtl-optimization/52113
2398 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2399 even for decomposable shift/zext insns.
2401 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2402 Zdenek Dvorak <ook@ucw.cz>
2404 PR rtl-optimization/52092
2405 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2406 on get_iv_value result.
2408 2012-02-02 Andrew Pinski <apinski@cavium.com>
2412 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2414 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2417 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2419 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2421 PR rtl-optimization/49800
2422 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2423 (sched_finish): Call regstat_free_n_sets_and_refs.
2425 2012-02-02 Jia Liu <proljc@gmail.com>
2427 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2430 2012-02-02 Jan Hubicka <jh@suse.cz>
2431 Tom de Vries <tom@codesourcery.com>
2434 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2435 * varpool.c (varpool_analyze_pending_decls): Likewise.
2437 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2438 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2440 * config.gcc: Add cr16-* support.
2442 * doc/extend.texi: Document cr16 extensions.
2443 * doc/install.texi: Document cr16 install.
2444 * doc/invoke.texi: Document cr16 options.
2445 * doc/md.texi: Document cr16 constraints.
2447 * common/config/cr16/cr16-common.c: New file.
2448 * config/cr16/cr16.c: New file.
2449 * config/cr16/cr16.h: New file.
2450 * config/cr16/cr16.md: New file.
2451 * config/cr16/cr16.opt: New file.
2452 * config/cr16/cr16-protos.h: New file.
2453 * config/cr16/predicates.md: New file.
2454 * config/cr16/constraints.md: New file.
2455 * config/cr16/t-cr16: New file.
2457 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2460 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2461 that operands[2] is either immediate, or q_regs_operand.
2463 PR tree-optimization/52073
2464 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2465 a pattern stmt for pattern uses, ignore uses outside of the loop.
2467 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2469 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2470 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2471 (OUT_AS1, OUT_AS2): Remove.
2473 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2475 PR rtl-optimization/51374
2476 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2477 to cross other volatile_refs_p insns.
2479 2012-02-01 Richard Guenther <rguenther@suse.de>
2481 * doc/invoke.texi (fno-inline): Clarify documentation.
2482 (finline-small-functions): Likewise.
2483 (finline-functions): Likewise.
2484 * common.opt (finline): Adjust comment and documentation.
2485 (finline-small-functions): Clarify documentation.
2486 (finline-functions): Likewise.
2487 (finline-functions-called-once): Likewise.
2489 2012-02-01 Tristan Gingold <gingold@adacore.com>
2491 * c-typeck.c (composite_type): Keep mode for pointers.
2493 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2495 * function.h (regno_reg_rtx): Adjust comment.
2496 * reginfo.c (init_reg_modes_target): Only use the previous mode
2497 if it fits within one register. Remove MIPS comment.
2499 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2502 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2504 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2506 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2507 to srak instruction.
2509 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2511 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2513 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2518 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2520 2012-01-31 Richard Guenther <rguenther@suse.de>
2522 PR tree-optimization/51528
2523 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2526 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2531 * ree.c (add_removable_extension): Change def_map argument
2532 to unsigned *, store in def_map 1 + offset into *insn_list vector
2533 instead of pointers into the vector.
2534 (find_removable_extensions): Adjust caller.
2536 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2538 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2539 Transform all "* quoted-c-code" to { c-code }.
2540 Remove redundant test for "optimize" in combine patterns.
2541 Move (include "avr-dimode.md") to end of file.
2543 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2546 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2547 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2549 2012-01-30 Richard Guenther <rguenther@suse.de>
2551 PR tree-optimization/52028
2552 * tree-loop-distribution.c (ldist_gen): Properly update
2555 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2558 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2559 set_cur_line_info_table if not emitting debug info.
2561 PR tree-optimization/52046
2562 * tree-vect-patterns.c (check_bool_pattern): Give up if
2563 a comparison could throw.
2566 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2568 2012-01-30 Richard Guenther <rguenther@suse.de>
2570 PR tree-optimization/52045
2571 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2572 SSA form if cfgcleanup did anything.
2574 2012-01-30 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/52045
2577 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2578 before computing final todo.
2580 2012-01-30 Richard Guenther <rguenther@suse.de>
2582 PR tree-optimization/51528
2583 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2586 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2588 * df-problems.c (df_kill_notes): Check that the use refers
2589 to the note under examination.
2591 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2594 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2595 parameter and use short-lived pseudos.
2596 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2597 (sparc_expand_vector_init): Const-ify local variables and adjust
2598 calls to above functions.
2600 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2602 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2604 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2606 * doc/invoke.texi: Make usage of "compile time" and
2607 "run time"/"runtime" consistent throughout the file.
2609 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2611 * config/alpha/alpha.c (alpha_option_override): Default to
2612 full IEEE compliance mode for Go language.
2614 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2616 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2617 (LINK_SSP_SPEC): Define.
2619 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2622 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2625 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2627 * doc/invoke.texi: Correct hyphenation of "floating point",
2628 "double precision", and related terminology throughout the file.
2630 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2633 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2634 arm_general_register_operand predicate for operand 2 instead of
2637 2012-01-27 Ian Lance Taylor <iant@google.com>
2640 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2641 * builtins.c (expand_builtin_init_trampoline): Add onstack
2642 parameter. Change caller.
2643 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2644 * tree.c (build_common_builtin_nodes): Declare
2645 __builtin_init_heap_trampoline.
2647 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2649 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2650 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2651 * config/avr/avr.c: Ditto.
2652 (avr_regnames): Remove because unused.
2653 * config/avr/avr.md (*cpse.ne): New peephole.
2654 (*cpse.eq): New peephole from former cpse peepholes.
2656 2012-01-27 Michael Eager <eager@eagercon.com>
2658 * config/microblaze.c (microblaze_emit_compare): Correct
2659 test after pcmp instruction.
2661 2012-01-27 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/52020
2664 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2666 2012-01-27 Richard Guenther <rguenther@suse.de>
2668 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2669 function non-const/pure.
2671 2012-01-27 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/50444
2674 * tree-sra.c (build_ref_for_offset): Properly adjust the
2675 MEM_REF type for unaligned accesses.
2677 2012-01-27 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/50444
2680 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2681 (expand_assignment): Use it. Properly handle misaligned
2682 bases when expanding stores to component references.
2683 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2686 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2689 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2690 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2691 * tree-data-ref.c (find_data_references_in_loop): Make static.
2692 (compute_all_dependences): Change return type to bool. Bail out
2693 for too many datarefs in a loop. Move the hunk resetting the data
2694 dependences vector from ...
2695 (compute_data_dependences_for_loop): ... here. Account for
2696 compute_all_dependences returning false.
2697 (compute_data_dependences_for_bb): Likewise.
2698 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2699 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2701 2012-01-27 Richard Guenther <rguenther@suse.de>
2704 * expr.c (store_field): Use the alias-set of the scratch memory
2707 2012-01-27 Tom de Vries <tom@codesourcery.com>
2709 PR tree-optimization/51990
2710 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2712 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2714 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2717 * var-tracking.c (reverse_op): Don't add any reverse operation
2718 if V already has any constant locations.
2720 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2722 * doc/invoke.texi: Correct usage of "command line" (noun)
2723 vs "command-line" (adjective) throughout.
2725 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2727 * doc/invoke.texi (Language Independent Options): Move
2728 -Wcoverage-mismatch blurb from here....
2729 (Warning Options): ...to here.
2731 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2733 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2734 Set rs6000_always_hint to false for 476.
2736 2012-01-27 Matthias Klose <doko@ubuntu.com>
2738 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2740 * incpath.c (add_standard_paths): Likewise.
2742 2012-01-27 Richard Henderson <rth@redhat.com>
2744 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2745 * config/m68k/sync.md (atomic_test_and_set): Rename from
2746 sync_test_and_setqi and adjust the operands.
2747 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2748 and unconditionally enable.
2750 2012-01-27 Richard Henderson <rth@redhat.com>
2752 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2753 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2754 (ldstub): Rename from ldstubqi.
2755 (ldstub<I24MODE>): Remove.
2757 2012-01-27 Richard Henderson <rth@redhat.com>
2759 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2760 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2761 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2762 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2763 * doc/tm.texi: Rebuild.
2765 2012-01-27 Richard Henderson <rth@redhat.com>
2767 * optabs.c (gen_atomic_test_and_set): Remove default.
2768 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2770 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2772 PR rtl-optimization/51978
2773 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2774 (combine_reaching_defs): Likewise.
2775 (struct re_info): Remove.
2776 (add_removable_extension): Remove x and data arguments,
2777 add insn, insn_list and def_map. Use the arguments directly
2778 instead of using struct re_info.
2779 (find_removable_extensions): Don't call add_removable_extension
2780 through note_stores, instead just call it with single_set
2782 (find_and_remove_re): Pass curr_cand->expr instead of
2783 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2785 2012-01-26 Michael Matz <matz@suse.de>
2787 PR tree-optimization/46590
2788 * cfgexpand.c: Revert last change (r183305).
2789 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2791 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2792 checking for emptiness.
2794 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2797 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2798 non-addressable non-BLKmode base correctly.
2800 2012-01-26 Michael Matz <matz@suse.de>
2802 PR tree-optimization/48794
2803 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2804 regions referenced from RESX/EH_DISPATCH.
2806 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2808 * config/s390/s390.h: Make BRANCH_COST an option.
2809 * config/s390/s390.opt: New option -mbranch-cost.
2811 2012-01-26 Richard Henderson <rth@redhat.com>
2813 Revert 2012-01-24 change:
2814 * trans-mem.c (requires_barrier): Do not instrument thread local
2815 variables and emit save/restore for them.
2817 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2820 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2823 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2825 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2828 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2831 Rename __pgm to __flash.
2832 Rename __pgm1 to __flash1.
2833 Rename __pgm2 to __flash2.
2834 Rename __pgm3 to __flash3.
2835 Rename __pgm4 to __flash4.
2836 Rename __pgm5 to __flash5.
2837 Rename __pgmx to __memx.
2838 * doc/extend.texi (AVR Named Address Spaces)
2839 Rename address space names as indicated above.
2840 * config/avr/avr.c (avr_addrspace): Ditto.
2842 * config/avr/avr-protos.h
2843 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2844 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2845 * config/avr/predicates.md: Ditto.
2846 * config/avr/avr.c Ditto, and
2847 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2848 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2850 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2851 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2852 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2853 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2854 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2855 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2856 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2857 * config/avr/avr.c: Ditto.
2858 * config/avr/avr.md: Ditto.
2860 2012-01-25 Jason Merrill <jason@redhat.com>
2863 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2865 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2867 PR tree-optimization/51987
2868 * tree-data-ref.c (get_references_in_stmt): Handle references in
2869 non-volatile GIMPLE_ASM.
2871 2012-01-25 Richard Guenther <rguenther@suse.de>
2873 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2874 bases are dereferenced.
2876 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2878 PR rtl-optimization/48374
2879 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2881 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2883 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2884 compute_data_dependences_for_loop returns false.
2885 * tree-parloops.c (loop_parallel_p): Likewise.
2887 2012-01-25 Richard Guenther <rguenther@suse.de>
2889 * tree.h (get_pointer_alignment_1): Declare.
2890 * builtins.c (get_pointer_alignment_1): New function.
2891 (get_pointer_alignment): Use it.
2893 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2895 PR rtl-optimization/48308
2896 * combine.c (enum undo_kind): Add UNDO_LINKS.
2897 (struct undo): Add member l to other_contents and where.
2898 (do_SUBST_LINK): New.
2900 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2901 (undo_all): Handle UNDO_LINKS.
2903 2012-01-25 Richard Henderson <rth@redhat.com>
2905 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2908 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2910 * optabs.c (gen_atomic_test_and_set): Use each argument.
2912 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2914 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2915 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2916 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2917 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2918 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2919 TARGET_PAIRED_SINGLE_FLOAT.
2921 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2923 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2924 (in_struct, return_val): Remove MEM documentation.
2925 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2926 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2927 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2929 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2930 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2931 * expr.c (store_field): Likewise.
2932 * function.c (assign_stack_temp_for_type): Likewise.
2933 * ifcvt.c (noce_try_cmove_arith): Likewise.
2934 * reload1.c (reload): Likewise.
2935 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2936 (alpha_set_memflags): Likewise.
2937 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2939 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2941 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2943 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2944 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2945 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2947 * cselib.c (cselib_rtx_varies_p): Delete.
2948 (cselib_invalidate_mem): Update call to canon_true_dependence.
2949 * dse.c (record_store, check_mem_read_rtx): Likewise.
2950 (scan_reads_nospill): Likewise.
2951 * cse.c (check_dependence): Likewise.
2952 (cse_rtx_varies_p): Delete.
2953 * expr.c (safe_from_p): Update call to true_dependence.
2954 * ira.c (validate_equiv_mem_from_store): Likewise.
2955 (memref_referenced_p): Likewise.
2956 * postreload-gcse.c (find_mem_conflicts): Likewise.
2957 * sched-deps.c (sched_analyze_2): Likewise.
2958 * store-motion.c (load_kills_store): Likewise.
2959 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2960 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2961 (compute_transp): Update call to canon_true_dependence.
2963 2012-01-25 Richard Henderson <rth@redhat.com>
2965 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2966 (maybe_emit_atomic_test_and_set): New.
2967 (expand_sync_lock_test_and_set): Use it.
2968 (expand_atomic_test_and_set): Likewise.
2969 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2970 the implementation; clarify implementation defined details.
2971 * doc/md.texi (atomic_test_and_set): Document.
2973 2012-01-25 Richard Henderson <rth@redhat.com>
2975 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2977 2012-01-25 Richard Henderson <rth@redhat.com>
2980 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2981 to effect no-op split.
2983 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2986 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2987 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2988 (BT_FN_VOID_PTR_INT_SIZE): New.
2989 (BT_FN_UINT_UINT_VAR): Remove.
2990 (BT_FN_UINT32_UINT32_VAR): New.
2991 (BT_FN_DOUBLE_VPTR): Remove.
2992 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2994 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2995 (_ITM_changeTransactionMode): Same.
2996 (_ITM_memmoveRtWt): Change return type to void.
2997 (_ITM_memcpyRtWt): Same.
2998 (_ITM_memsetW): Same.
2999 (_ITM_RaRD): Change types to double.
3004 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3006 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3007 Patrick Marlier <patrick.marlier@gmail.com>
3009 * trans-mem.c (requires_barrier): Do not instrument thread local
3010 variables and emit save/restore for them.
3012 2012-01-24 Jason Merrill <jason@redhat.com>
3015 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3016 output static aliases.
3018 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3021 * common.opt (-pie, -shared, pie, shared): Change from Common to
3023 * gcc.c (display_help): Display help for -pie and -shared.
3025 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3028 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3029 Remove note on size/offset limitation.
3030 (AVR Variable Attributes): Add example how to read data located
3031 with progmem. Refer to named address spaces.
3032 * doc/invoke.texi (AVR Options): Fix typo.
3034 2012-01-24 Richard Guenther <rguenther@suse.de>
3036 Forward-port to trunk
3037 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3040 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3041 op0 isn't sufficiently aligned and there is movmisalignM
3042 insn for mode, use it to load op0 into a temporary register.
3044 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3047 * target.def (const_not_ok_for_debug_p): New hook.
3048 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3050 * doc/tm.texi: Regenerated.
3051 * dwarf2out.c (const_ok_for_output_1): If
3052 targetm.const_not_ok_for_debug_p returns true, fail.
3053 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3055 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3057 2012-01-23 Kai Tietz <ktietz@redhat.com>
3060 * config/i386/predicates.md (symbolic_operand): Allow
3061 UNSPEC_PCREL as PIC expression for lea.
3062 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3063 * config/i386/i386.c (ix86_delegitimize_address): Handle
3064 UNSPEC_PCREL for none-MEM, too.
3066 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3068 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3069 (ipa_tm_create_version_alias): Same.
3071 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3074 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3075 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3077 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3078 Patrick Marlier <patrick.marlier@gmail.com>
3079 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3082 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3083 simple_object_start_read.
3085 2012-01-23 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/51895
3089 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3090 parameter decomposition into BLKmode components.
3092 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3094 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3095 fake variables for restrict-qualified pointers whose pointed-to type
3096 contains a placeholder.
3098 2012-01-23 Richard Guenther <rguenther@suse.de>
3100 PR tree-optimization/51949
3101 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3103 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3105 PR rtl-optimization/51933
3106 * ree.c (transform_ifelse): Return true right away if dstreg is
3107 already wider or equal to cand->mode.
3108 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3109 (make_defs_and_copies_lists): Remove defs_list and copies_list
3110 arguments, add state argument, just truncate state->work_list
3111 instead of always allocating and freeing the vector. Assert that
3112 get_defs succeeds instead of returning 2. Changed return type to bool.
3113 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3114 have ext_src_mode, see if it has been modified already with the
3115 right kind of extension and has been extended before from the
3116 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3117 just return true. Remember the original mode in state->modified array.
3118 (combine_reaching_defs): Add state argument. Don't allocate and
3119 free here def_list, copied_list and vec vectors, instead just
3120 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3121 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3122 Add state variable, clear vectors in it, initialize state.modified
3123 if needed. Free all the vectors at the end and state.modified too.
3124 Don't skip a candidate if the extension expression has been modified.
3126 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3129 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3130 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3131 (extra_options) interix.opt -> i386/interix.opt"
3132 (extra_objs):Add winnt-stubs.o
3133 * configure.ac: Add interix to target_os .comm on PE check.
3134 * configure: Regenerate.
3135 * config/interix3.h: Delete and move bits to..
3136 * config/interix.h: Delete and move bits to..
3137 * config/i386/i386-interix3.h: Delete and move bits to..
3138 * config/i386/i386-interix.h: ..here.
3139 (TARGET_CPU_DEFAULT): Remove redefinition.
3140 (TARGET_ASM_CONSTRUCTOR): Undefine.
3141 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3142 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3143 (PTRDIFF_TYPE): Define.
3144 (LONG_DOUBLE_TYPE_SIZE): Define.
3145 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3146 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3147 (TARGET_SECTION_TYPE_FLAGS): Define.
3148 (ASM_DECLARE_FUNCTION_NAME): Define.
3149 (ASM_OUTPUT_EXTERNAL): Define.
3150 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3151 (ASM_OUTPUT_ALIGNED_BSS): Define.
3152 (PCC_BITFIELD_TYPE_MATTERS): Define.
3153 (USE_CONST_SECTION): Define.
3154 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3155 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3156 (SUPPORTS_ONE_ONLY): Remove.
3157 (I386_PE_STRIP_ENCODING): Define.
3158 * config/interix.opt: Delete and move bits to..
3159 * config/i386/interix.opt: ..here. New.
3160 (mpe-aligned-commons): Add.
3161 * config/i386/t-interix: Add copyright header.
3162 (winnt-stubs.o): Add rule.
3164 2012-01-22 Jason Merrill <jason@redhat.com>
3167 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3168 for extra name aliases.
3170 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3172 PR rtl-optimization/51924
3173 * ree.c (combine_set_extension): Improve debugging message.
3174 (combine_reaching_defs): Likewise.
3175 (get_defs): Rename confusingly named variable.
3176 (find_and_remove_re): Skip a candidate if the extension expression has
3179 2012-01-21 Robert Millan <rmh@gnu.org>
3180 Gerald Pfeifer <gerald@pfeifer.com>
3182 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3183 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3185 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3187 PR tree-optimization/51914
3188 * tree-vect-stmts.c (vectorizable_conversion): For
3189 cvt_type && modifier == WIDEN, put temporary with cvt_type
3190 at the beginning of vec_dsts and set vec_dest to temporary
3193 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3195 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3197 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3199 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3200 * config/rs6000/rs6000.c: Likewise.
3202 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3205 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3206 output_move_double on a copy of operands array.
3208 2012-01-20 Cary Coutant <ccoutant@google.com>
3209 Dodji Seketeli <dodji@redhat.com>
3212 * dwarf2out.c (copy_declaration_context): Return ref to parent
3213 of declaration DIE, if necessary.
3214 (remove_child_or_replace_with_skeleton): Add new parameter; update
3215 caller. Place skeleton DIE under parent DIE of original declaration.
3216 Move call to copy_declaration_context to here ...
3217 (break_out_comdat_types): ... from here.
3219 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3221 PR rtl-optimization/51856
3222 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3225 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3228 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3229 hints for neon loads and stores.
3231 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3235 * doc/extend.texi (Named Address Spaces): Split into subsections.
3236 (AVR Named Address Spaces): New subsection.
3237 (M32C Named Address Spaces): New subsection.
3238 (RL78 Named Address Spaces): New subsection.
3239 (SPU Named Address Spaces): New subsection.
3240 (Variable Attributes): New anchor "AVR Variable Attributes".
3241 (AVR Variable Attributes): Rewrite and avoid wording
3242 "address space" in this context.
3243 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3244 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3245 (AVR Built-in Macros): New subsubsection therein.
3246 * doc/md.texi (AVR constraints): Remove "C04", "R".
3248 2012-01-20 Richard Guenther <rguenther@suse.de>
3250 PR tree-optimization/51903
3251 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3252 when removing stmts.
3254 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3257 * config/arm/arm.c (arm_load_pic_register): Use
3258 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3259 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3260 (arm_pic_static_addr): Likewise.
3261 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3262 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3263 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3264 (pic_load_addr_unified): New.
3266 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3269 * function.c (instantiate_virtual_regs_in_insn): Use
3270 delete_insn_and_edges when removing a wrong asm insn.
3272 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3274 PR rtl-optimization/40761
3275 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3276 Add new member loop_num.
3277 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3278 (ira_build): Remove the parameter.
3280 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3281 (ira.c): Do not build CFG loops for one region allocation. Remove
3282 argument from ira_build call.
3284 * ira-build.c (init_loop_tree_node): New function.
3285 (create_loop_tree_nodes): Use it. Separate the case when CFG
3286 loops are not built.
3287 (more_one_region_p): Check current_loops.
3288 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3290 (add_loop_to_tree): Process loop equal to NULL too.
3291 (form_loop_tree): Separate the case when CFG loops are not built.
3292 Use explicitly number for the root.
3293 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3295 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3296 instead of loop->num.
3297 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3298 (mark_all_loops_for_removal): Ditto.
3299 (remove_unnecessary_regions): Separate the case when CFG loops
3301 (ira_build): Remove the parameter. Use explicit number of regions
3302 when CFG loops are not built.
3304 * ira-color.c (print_loop_title): Separate the case for the root node.
3305 Use loop_num instead of loop->num.
3306 (move_spill_restore): Use loop_num instead of loop->num.
3308 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3309 (change_loop): Ditto.
3310 (change_loop): Use loop_num instead of loop->num.
3312 * ira-lives.c (process_bb_node_lives): Ditto.
3314 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3316 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3318 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3321 * tree-mudflap.c (mf_artificial): New function.
3322 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3323 mx_register_decls, mudflap_enqueue_decl): Use it.
3326 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3327 numbers in the insn pattern.
3329 2012-01-19 Michael Matz <matz@suse.de>
3331 PR tree-optimization/46590
3332 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3333 use it in remembering which conflicts we already created.
3334 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3337 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3340 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3341 (merge_and_complain): Same.
3343 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3346 * config/initfini-array.h: Guard content of the header
3347 with #ifdef HAVE_INITFINI_ARRAY.
3348 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3349 Add initfini-array.h to tm_file here.
3350 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3351 * config.gcc: Don't add initfini-array.h to tm_file here.
3352 * configure: Regenerated.
3354 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3356 PR rtl-optimization/51505
3357 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3358 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3359 (df_note_bb_compute): Update the call to df_kill_notes.
3361 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3363 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3365 2012-01-18 Richard Guenther <rguenther@suse.de>
3367 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3368 of conversions to void *.
3370 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3371 Richard Sandiford <rdsandiford@googlemail.com>
3375 * optabs.h (simplify_expand_binop): Declare.
3376 * optabs.c (simplify_expand_binop): Make global.
3377 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3378 endian targets if the source cannot be exactly covered by word
3381 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3384 * hard-reg-set.h (struct hard_reg_set_container): New type.
3385 * target.h (struct hard_reg_set_container): Forward declare.
3386 * target.def (set_up_by_prologue): New target hook.
3387 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3388 * doc/tm.texi: Regenerated.
3389 * function.c (thread_prologue_and_epilogue_insns): Change
3390 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3391 Call targetm.set_up_by_prologue on it.
3392 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3393 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3395 2012-01-17 Nick Clifton <nickc@redhat.com>
3397 * config/rx/rx.c (rx_can_use_simple_return): New function.
3398 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3399 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3401 2012-01-17 Richard Guenther <rguenther@suse.de>
3404 * expr.c (expand_assignment): Take address-space information
3405 from the address operand of MEM_REF and TARGET_MEM_REF.
3406 (expand_expr_real_1): Likewise.
3408 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3410 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3411 reload dump is requested.
3413 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3416 * trans-mem.c (requires_barrier): Call may_be_aliased.
3418 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3420 PR tree-optimization/51877
3421 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3422 call arguments and fndecls compare equal, instead return false if they
3423 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3424 both SSA_NAMEs that are valueized the same, or they satisfy
3427 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3429 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3431 * configure: Regenerate.
3433 2012-01-16 Jan Hubicka <jh@suse.cz>
3437 * convert.c (convert_to_integer): Use fold_convert for
3438 converting an INTEGER_CST to integer type.
3440 2012-01-16 Jason Merrill <jason@redhat.com>
3443 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3445 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3448 * config/s390/s390.c (s390_chunkify_start): Don't skip
3449 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3450 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3451 If insn is followed by NOTE_INSN_VAR_LOCATION or
3452 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3453 Don't use location of note insns.
3455 PR tree-optimization/51865
3456 * tree-inline.c (tree_function_versioning): Call remap_decl
3457 on DECL_RESULT whenever it has VOID_TYPE_P type.
3459 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3461 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3462 for calls to locally-binding MIPS16 functions if only the return
3463 type uses float regs.
3465 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3466 Richard Sandiford <rdsandiford@googlemail.com>
3468 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3469 (SYMBOL_32_HIGH): Likewise.
3470 (mips_output_tls_reloc_directive): Declare.
3471 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3472 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3473 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3474 (mips_lo_relocs, mips_hi_relocs): Make extern.
3475 (mips16_stub_function): Move up file.
3476 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3477 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3478 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3479 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3480 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3481 (mips_get_tp): Add MIPS16 support.
3482 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3483 Generalize DTPREL and TPREL handling.
3484 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3485 Add MIPS16 TLS support.
3486 (mips_output_tls_reloc_directive): New function.
3487 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3488 * config/mips/predicates.md (symbolic_operand_with_high)
3489 (tls_reloc_operand): New predicates.
3490 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3491 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3492 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3493 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3494 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3495 (*tls_get_tp_mips16_call_<mode>): Likewise.
3497 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3499 PR rtl-optimization/51821
3500 * recog.c (peep2_find_free_register): Determine clobbered registers
3503 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3506 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3507 * config/avr/avr.c: Likewise.
3508 * config/avr/avr.h: Likewise.
3510 2012-01-13 Ian Lance Taylor <iant@google.com>
3513 * tree.h (TYPE_QUALS): Add cast to int.
3514 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3516 2012-01-13 Ian Lance Taylor <iant@google.com>
3518 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3519 comparing param_index to VEC_length result.
3521 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3523 * c-decl.c: Do not include tree-mudflap.h
3524 * tree-optimize.c: Likewise.
3525 * Makefile.in: Update dependencies.
3527 2012-01-13 Richard Guenther <rguenther@suse.de>
3530 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3531 variable-sized result always use RSO.
3533 2012-01-12 DJ Delorie <dj@redhat.com>
3535 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3536 pointer type, not just the default pointer type.
3538 2012-01-09 Richard Henderson <rth@redhat.com>
3539 Denis Chertykov <chertykov@gmail.com>
3542 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3543 * config/avr/avr.c (avr_can_eliminate): Simplify.
3544 (avr_initial_elimination_offset): Likewise.
3545 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3546 (expand_epilogue): Likewise.
3547 (avr_legitimize_address): Gut.
3548 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3549 (avr_hard_regno_nregs): New.
3550 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3551 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3552 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3553 add soft frame pointer.
3554 (CALL_USED_REGISTERS): Likewise.
3555 (REG_CLASS_CONTENTS): Likewise.
3556 (REGISTER_NAMES): Likewise.
3557 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3558 (HARD_FRAME_POINTER_REGNUM): New.
3559 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3560 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3561 remove the HARD_FRAME_POINTER self-elimination.
3563 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3566 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3567 DECL_EXTERNAL when checking for initializers of progmem variables.
3569 2012-01-12 Ira Rosen <irar@il.ibm.com>
3571 PR tree-optimization/51799
3572 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3573 that the last operation is a type demotion.
3575 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3577 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3578 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3580 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3583 * combine.c (distribute_notes): If i3 is a noreturn call,
3584 allow old_size to be equal to args_size and make sure the
3585 noreturn call gets REG_ARGS_SIZE note.
3586 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3587 on noreturn calls even when the delta is 0.
3589 2012-01-11 Nathan Sidwell <nathan@acm.org>
3591 * gcov.c (STRING_SIZE): Remove.
3592 (generate_results): Erase annotations for source files with no
3593 coverage information.
3595 (output_lines): Use it.
3597 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3599 * gimple.h (gimplify_body): Remove first argument.
3600 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3601 pointer set here, instead just pass DATA to walk_tree.
3602 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3603 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3604 (unvisit_body): Likewise, but with unmark_visited.
3605 (gimplify_body): Remove BODY_P argument and adjust.
3606 (gimplify_function_tree): Adjust call to gimplify_body.
3607 * omp-low.c (finalize_task_copyfn): Likewise.
3609 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3611 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3612 (build_function_type_skip_args): Delete.
3613 * tree.c (build_function_type_skip_args): Make static and add
3614 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3615 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3616 pass it to build_function_type_skip_args.
3617 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3618 (tree_function_versioning): Likewise.
3619 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3620 build_function_decl_skip_args.
3621 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3622 and pass it to build_function_decl_skip_args/tree_function_versioning.
3623 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3624 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3625 * trans-mem.c (ipa_tm_create_version): Likewise.
3626 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3627 * tree-inline.c (declare_return_variable): Remove always-true test.
3628 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3629 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3630 * ipa-split.c (split_function): Skip the return value for the split
3631 part if it doesn't return.
3633 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3635 PR tree-optimization/49642
3636 * ipa-split.c (forbidden_dominators): New variable.
3637 (check_forbidden_calls): New function.
3638 (dominated_by_forbidden): Likewise.
3639 (consider_split): Check for forbidden dominators.
3640 (execute_split_functions): Initialize and free forbidden
3641 dominators info; call check_forbidden_calls.
3643 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3645 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3647 2012-01-11 Nick Clifton <nickc@redhat.com>
3649 * config/rx/rx.md (return): Define pattern.
3651 2012-01-11 Richard Guenther <rguenther@suse.de>
3653 * doc/extend.texi (malloc attribute): Adjust according to
3656 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3657 Patrick Marlier <patrick.marlier@gmail.com>
3660 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3661 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3662 (ipa_tm_note_irrevocable): Same.
3663 (ipa_tm_scan_irr_block): Same.
3664 (ipa_tm_decrement_clone_counts): Same.
3665 (ipa_tm_scan_irr_function): Same.
3666 (ipa_tm_create_version_alias): Same.
3667 (ipa_tm_create_version): Same.
3668 (ipa_tm_transform_calls_redirect): Same.
3669 (ipa_tm_transform_calls): Same.
3670 (ipa_tm_transform_transaction): Same.
3671 (ipa_tm_execute): Same.
3673 2012-01-10 Richard Guenther <rguenther@suse.de>
3676 * opts.c (common_handle_option): Handle -Werror.
3678 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3680 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3683 2012-01-10 Jason Merrill <jason@redhat.com>
3685 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3688 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3690 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3691 supports R_386_TLS_GD_PLT reloc.
3692 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3693 supports R_386_TLS_LDM_PLT reloc.
3694 * configure: Regenerate.
3695 * config.in: Regenerate.
3697 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3700 Extend __pgmx semantics to linearize memory.
3701 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3702 determine if code comes inline or from libgcc.
3703 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3704 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3705 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3706 (movmemx_qi, movmemx_hi): New insns.
3707 (xload_<mode>_libgcc): Rewrite to new insn condition.
3708 (xload_<mode>): Remove insns.
3709 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3710 cases that don't satisfy avr_xload_libgcc_p().
3711 (avr_addr_space_convert): Allow converting in any direction.
3712 (avr_addr_space_subset_p): Return always true.
3713 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3714 (avr_emit_movmemhi): Ditto.
3715 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3716 (avr_out_movmem): Ditto.
3717 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3718 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3719 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3720 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3721 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3723 2012-01-10 Richard Guenther <rguenther@suse.de>
3725 PR tree-optimization/50913
3726 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3727 Require data-refs to be representable by Graphite with respect
3730 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3732 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3733 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3735 2012-01-10 Tom de Vries <tom@codesourcery.com>
3737 PR rtl-optimization/51271
3738 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3739 handling annulled branch.
3741 2012-01-10 Richard Henderson <rth@redhat.com>
3743 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3744 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3745 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3746 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3747 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3748 arm_expand_vec_perm_const): New.
3749 * config/arm/arm-protos.h: Update.
3750 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3751 (*neon_vswp<VDQX>): New.
3752 (neon_vcombine<VDX>): Use neon_split_vcombine.
3753 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3754 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3755 (vec_perm<VE>): New.
3757 2012-01-10 Richard Henderson <rth@redhat.com>
3759 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3760 use it if reload_completed.
3761 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3762 arm_output_asm_insn, arm_process_output_memory_barrier,
3763 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3764 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3765 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3766 arm_process_output_sync_insn, arm_output_sync_insn,
3767 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3768 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3769 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3770 (emit_unlikely_jump): New.
3771 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3772 (arm_split_atomic_op): New.
3773 * config/arm/arm-protos.h: Update.
3774 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3775 (struct arm_sync_generator): Remove.
3776 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3777 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3778 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3779 (VUNSPEC_LL, VUNSPEC_SC): New.
3780 (sync_result, sync_memory, sync_required_value, sync_new_value,
3781 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3782 (attr length): Don't use arm_sync_loop_insns.
3783 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3784 (movsfcc, movdfcc): Likewise.
3785 * config/arm/constraints.md (Ua): New.
3786 * config/arm/prediates.md (mem_noofs_operand): New.
3787 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3788 (sync_clobber, sync_t2_reqd): Remove.
3789 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3790 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3791 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3792 (arm_sync_compare_and_swap<SIDI>): Remove.
3793 (arm_sync_compare_and_swap<NARROW>): Remove.
3794 (arm_sync_lock_test_and_set<SIDI>): Remove.
3795 (arm_sync_lock_test_and_set<NARROW>): Remove.
3796 (arm_sync_new_<syncop><SIDI>): Remove.
3797 (arm_sync_new_<syncop><NARROW>): Remove.
3798 (arm_sync_new_nand<SIDI>): Remove.
3799 (arm_sync_new_nand<NARROW>): Remove.
3800 (arm_sync_old_<syncop><SIDI>): Remove.
3801 (arm_sync_old_<syncop><NARROW>): Remove.
3802 (arm_sync_old_nand<SIDI>): Remove.
3803 (arm_sync_old_nand<NARROW>): Remove.
3804 (*memory_barrier): Merge arm_output_memory_barrier.
3805 (atomic_compare_and_swap<QHSD>): New.
3806 (atomic_compare_and_swap<NARROW>_1): New.
3807 (atomic_compare_and_swap<SIDI>_1): New.
3808 (atomic_exchange<QHSD>): New.
3809 (cas_cmp_operand, cas_cmp_str): New.
3810 (atomic_op_operand, atomic_op_str): New.
3811 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3812 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3813 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3814 (arm_load_exclusive<NARROW>): New.
3815 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3816 (arm_store_exclusive<QHSD>): New.
3818 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3820 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3821 reload patterns if -mvsx-scalar-memory.
3823 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3824 generated, even -mno-vsx-scalar-double was used.
3825 (vsx_xscvdpsp_scalar): Likewise.
3826 (vsx_xscvspdp_scalar2): Likewise.
3828 2012-01-09 Tom de Vries <tom@codesourcery.com>
3829 Andrew Pinski <apinski@cavium.com>
3832 * reorg.c (fill_slots_from_thread): Don't speculate
3833 frame-related insns.
3835 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3837 * sched-int.h (bb_note): Move to...
3838 * basic-block.h: ...here.
3839 * haifa-sched.c (bb_note): Move to...
3840 * cfgrtl.c: ...here.
3841 * function.c (next_block_for_reg): New function.
3842 (move_insn_for_shrink_wrap): Likewise.
3843 (prepare_shrink_wrap): Rewrite to use the above.
3845 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3847 * gimple.c (is_gimple_non_addressable): Remove.
3848 * gimple.h: Remove is_gimple_non_addressable.
3849 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3850 is_gimple_non_addressable.
3851 * trans-mem.c (expand_assign_tm): Same.
3853 2012-01-09 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/51775
3856 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3857 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3859 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3861 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3863 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3865 2012-01-09 Richard Guenther <rguenther@suse.de>
3867 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3869 2012-01-08 Jan Hubicka <jh@suse.cz>
3871 PR tree-optimize/51680
3872 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3873 on when known_vals needs to be computed; cleanup.
3875 2012-01-08 Jan Hubicka <jh@suse.cz>
3877 PR tree-optimize/51694
3878 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3880 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3882 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3883 for -std=c++98 and -std=c++11 too.
3885 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3887 * cfgloop.c (cancel_loop): Add free() of bbs array.
3889 2012-01-07 Jan Hubicka <jh@suse.cz>
3891 PR tree-optimization/51600
3892 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3893 that benefits small functions.
3895 2012-01-07 Jan Hubicka <jh@suse.cz>
3897 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3899 2012-01-07 Jan Hubicka <jh@suse.cz>
3901 PR tree-optimization/51680
3902 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3903 whose inlining reduce unit size.
3905 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3908 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3909 Add canonical node to containing_mem chain after the non-canonical
3910 one, even if there weren't any locs to propagate.
3911 (remove_useless_values): Keep only canonical values.
3912 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3913 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3914 canonicalize mem_chain elements that are not discarded.
3916 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3919 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3920 before emitting functions.
3922 PR gcov-profile/50127
3923 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3924 clear_aux_for_blocks.
3926 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3929 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3931 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3933 * c-decl.c (ext_block): Moved up.
3934 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3936 2012-01-06 Han Shen <shenhan@google.com>
3938 Translate built-in include paths for sysroot.
3939 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3940 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3942 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3943 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3945 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3946 control whether sysroot should be prepended to gxx include dir.
3948 * configure: Regenerate.
3950 2012-01-06 Torvald Riegel <triegel@redhat.com>
3952 PR rtl-optimization/51771
3953 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3954 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3956 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3958 PR tree-optimization/51315
3959 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3960 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3962 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3965 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3966 for shrp pattern. Correctly handle and fixup shift variable.
3967 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3969 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3972 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3973 note when !ACCUMULATE_OUTGOING_ARGS.
3975 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3977 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3979 (extract_range_from_unary_expr_1): Avoid useless computations.
3981 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3983 PR rtl-optimization/51767
3984 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3985 of jump_block and add an extra edge for degenerated asm gotos.
3988 * stmt.c (check_unique_operand_names): Don't ICE during error
3989 reporting if i is from labels chain.
3992 * profile.c (branch_prob): Split bbs that have exit edge
3993 and need a fake entry edge too.
3995 2012-01-05 Jan Hubicka <jh@suse.cz>
3998 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4001 2012-01-05 Richard Guenther <rguenther@suse.de>
4004 * tree-streamer-out.c (write_ts_optimization): New function.
4005 (streamer_write_tree_body): Call it.
4006 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4007 (streamer_read_tree_body): Call it.
4008 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4010 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4013 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4014 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4015 in_cleanup_point_expr before gimplify_stmt call and restore it
4017 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4018 in_cleanup_point_expr is false.
4020 2012-01-05 Richard Guenther <rguenther@suse.de>
4023 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4025 * toplev.c (process_options): Reject combining mudflap and LTO.
4026 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4028 2012-01-05 Richard Guenther <rguenther@suse.de>
4030 PR tree-optimization/51760
4031 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4033 (bit_value_unop): Handle UNDEFINED operands.
4034 (bit_value_binop): Likewise.
4036 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4038 * config/avr/avr.c (avr_replace_prefix): Remove.
4039 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4040 (avr_asm_function_rodata_section): Ditto.
4041 (avr_asm_select_section): Ditto.
4043 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4045 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4048 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4051 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4052 calls that have any non-fake successor edges.
4055 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4057 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4059 PR tree-optimization/51624
4060 * tree-sra.c (build_ref_for_model): When replicating a chain of
4061 COMPONENT_REFs, stop as soon as the offset would become negative.
4063 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4066 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4067 in .debug_loc on the floor.
4069 2012-01-04 Andrew Pinski <apinski@cavium.com>
4071 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4073 2012-01-04 Andrew Pinski <apinski@cavium.com>
4074 Adam Nemet <anemet@caviumnetworks.com>
4076 * config/mips/mips.md (size): Add SI and DI.
4077 (SIZE): New mode attribute.
4078 (U): New code attribute.
4079 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4080 (mips_lbux_<mode>): Delete.
4081 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4082 (mips_lhx): Use gen_mips_lhx_extsi.
4083 (mips_lhx_<mode>): Delete.
4085 (mips_l<size>x): New expand.
4086 (mips_lwx_<mode>): Delete.
4087 (mips_l<GPR:size>x_<P:mode>): New pattern.
4088 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4089 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4090 * config/mips/mips.c (mips_lx_address_p): New function.
4091 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4092 (dsp64): New availability predicate.
4093 (mips_builtins): Add an entry for __builtin_mips_ldx.
4094 * config/mips/mips.h (ISA_HAS_LBX): New define.
4095 (ISA_HAS_LBUX): Likewise.
4096 (ISA_HAS_LHX): Likewise.
4097 (ISA_HAS_LHUX): Likewise.
4098 (ISA_HAS_LWX): Likewise.
4099 (ISA_HAS_LWUX): Likewise.
4100 (ISA_HAS_LDX): Likewise.
4101 * doc/extend.texi (__builtin_mips_ldx): Document.
4103 2012-01-04 Tristan Gingold <gingold@adacore.com>
4105 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4106 when long pointers are used.
4107 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4108 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4109 (ia64-hp-*vms*): Remove.
4110 * config/vms/xm-vms64.h: Delete.
4112 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4115 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4117 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4119 * opts.c (finish_options): Remove duplicate sorry.
4121 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4124 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4127 2012-01-04 Richard Guenther <rguenther@suse.de>
4130 * tree.c (size_low_cst): New function.
4131 * tree.h (size_low_cst): Declare.
4132 * fold-const.c (fold_comparison): Use it to extract the low
4133 part of the POINTER_PLUS_EXPR offset.
4135 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4137 Fix clearing ZERO_REG
4138 * config/avr/avr.md (cc): Add alternative "ldi".
4139 (movqi_insn): Use it in cc attribute.
4140 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4141 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4142 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4144 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4146 * configure: Regenerate.
4148 2012-01-04 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/49651
4151 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4152 (var_can_have_subvars): Use it.
4153 (get_constraint_for_1): Only consider subfields if there can be any.
4155 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4158 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4159 to its new canonical_cselib_val and the cselib_val was in
4160 first_containing_mem chain, but the canonical_cselib_val was not,
4161 add the latter into the chain.
4162 (cselib_invalidate_mem): Compare canonical_cselib_val of
4163 addr_list chain elt with v.
4166 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4167 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4169 (output_macinfo_op): Don't ggc_strdup fd->filename.
4170 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4171 then ggc_strdup it. Don't free inc->info or cur->info.
4172 (output_macinfo): Don't free ref->info or file->info.
4174 2012-01-03 Ira Rosen <irar@il.ibm.com>
4176 PR tree-optimization/51269
4177 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4178 first_niters a pointer.
4179 (slpeel_tree_peel_loop_to_edge): Likewise.
4180 (vect_do_peeling_for_loop_bound): Update call to
4181 slpeel_tree_peel_loop_to_edge.
4182 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4183 here. Remove it from the parameters list.
4184 (vect_do_peeling_for_alignment): Update calls and compute
4187 2012-01-03 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/51070
4190 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4191 Properly handle calls.
4193 2012-01-03 Richard Guenther <rguenther@suse.de>
4195 PR tree-optimization/51692
4196 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4197 the LHS of allocation stmts.
4199 2012-01-03 Olivier Hainque <hainque@adacore.com>
4201 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4203 2012-01-03 Olivier Hainque <hainque@adacore.com>
4205 * collect2.c (main): In AIX specific computations for vector
4206 insertions, use CONST_CAST2 to cast from char ** to const char **.
4208 2012-01-03 Richard Guenther <rguenther@suse.de>
4211 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4212 the context of a limbo DIE when it does not already exist.
4214 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4216 PR tree-optimization/51719
4217 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4218 but direct call is, clear direct call's lhs and don't add fallthrough
4219 edge from dcall_bb to join_bb and PHIs.
4221 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4223 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4224 the instructions emitted by the pattern.
4225 ("*TDC_insn_<mode>"): Add comment.
4227 2012-01-03 Richard Guenther <rguenther@suse.de>
4230 * fold-const.c (fold_comparison): Properly canonicalize
4231 tree offset and HOST_WIDE_INT bit position.
4233 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4235 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4236 operands for extzv pattern.
4238 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4241 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4244 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4246 * doc/invoke.texi (-flto and related options): Copy-edit.
4248 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4250 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4252 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4254 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4257 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4259 * expr.h (move_by_pieces_ninsns): Declare.
4260 * expr.c (move_by_pieces_ninsns): Make external.
4261 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4262 (mips_store_by_pieces_p): Likewise.
4263 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4264 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4265 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4266 (mips_store_by_pieces_p): Likewise.
4268 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4270 * passes.c (register_one_dump_file): Free full_name.
4272 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4273 (calculate_elim_costs_all_insns): Free offsets_at and
4274 offsets_known_at at the end and clear the pointers.
4276 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4278 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4279 this option introduced in r180739.
4281 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4284 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4285 (tmake_file target=avr): Add avr/t-multilib.
4287 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4288 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4289 * config/avr/genmultilib.awk: New file.
4290 * config/avr/t-multilib: New auto-generated file.
4291 * config/avr/multilib.h: New auto-generated file.
4292 * config/avr/t-avr (AVR_MCUS): New variable.
4293 (genopt.sh): Use it.
4294 (s-mlib): Depend on t-multilib.
4295 (t-multilib, multilib.h): New dependencies.
4296 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4297 (MULTILIB_OPTIONS): Remove.
4298 (MULTILIB_MATCHES): Remove.
4299 (MULTILIB_DIRNAMES): Remove.
4300 (MULTILIB_EXCEPTIONS): Remove:
4301 * config/avr/genopt.sh: Don't use hard coded file name;
4302 pass AVR_MCUS from t-avr instead.
4304 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4306 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4308 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4310 Implement light-weight DImode support.
4311 * config/avr/avr-dimode.md: New file.
4312 * config/avr/avr.md: Include it.
4313 (adjust_len): Add plus64, compare64.
4314 (HIDI): Remove code iterator.
4315 (code_stdname): New code attribute.
4316 (rotx, rotsmode): Remove DI.
4317 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4319 * config/avr/avr-protos.h (avr_have_dimode): New.
4320 (avr_out_plus64, avr_out_compare64): New.
4321 * config/avr/avr.c (avr_out_compare): Handle DImode.
4322 (avr_have_dimode): New variable definition and initialization.
4323 (avr_out_compare64, avr_out_plus64): New functions.
4324 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4325 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4326 (avr_compare_pattern): Skip DImode comparisons.
4328 2012-01-02 Revital Eres <revital.eres@linaro.org>
4330 * ddg.c (def_has_ccmode_p): New function.
4331 (add_cross_iteration_register_deps,
4332 create_ddg_dep_from_intra_loop_link): Call it.
4334 2012-01-02 Richard Guenther <rguenther@suse.de>
4337 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4339 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4341 * gcc.c (process_command): Update copyright notice dates.
4342 * gcov.c (print_version): Likewise.
4343 * gcov-dump.c (print_version): Likewise.
4344 * mips-tfile.c (main): Likewise.
4345 * mips-tdump.c (main): Likewise.
4347 2012-01-01 Ira Rosen <irar@il.ibm.com>
4349 PR tree-optimization/51704
4350 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4351 a use is inside the basic block or loop before accessing its vect info.
4353 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4355 PR rtl-optimization/51069
4356 * cfgloopmanip.c (remove_path): Removing path making irreducible
4357 region unconditional makes BB part of the region.
4359 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4361 PR tree-optimization/51683
4362 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4363 calls with side-effects.
4364 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4366 Copyright (C) 2012 Free Software Foundation, Inc.
4368 Copying and distribution of this file, with or without modification,
4369 are permitted in any medium without royalty provided the copyright
4370 notice and this notice are preserved.