1 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
2 Patrick Marlier <patrick.marlier@gmail.com>
4 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
7 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
10 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
13 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
14 (UNSPECV_RDRAND): This.
15 (rdrand<mode>_1): Updated.
17 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
19 Backport from mainline
20 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
22 * config/i386/driver-i386.c (host_detect_local_cpu): Support
23 RDRND, F16C and FSGSBASE.
25 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
27 Backport from mainline
28 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
30 * tree-ssa-pre.c (can_value_number_call): Delete.
31 (compute_avail): Skip all statements with side effects.
32 <GIMPLE_CALL>: Skip calls to internal functions.
34 2012-05-18 David S. Miller <davem@davemloft.net>
36 Backport r185385 from mainline
37 2012-03-14 Richard Guenther <rguenther@suse.de>
40 * tree-vect-generic.c (type_for_widest_vector_mode): Take
41 element type instead of mode, use build_vector_type_for_mode
42 instead of the langhook, build a vector of proper signedness.
43 (expand_vector_operations_1): Adjust.
45 2012-05-18 Olivier Hainque <hainque@adacore.com>
47 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
48 $(libsubdir) as libexecsubdir.
50 2012-05-16 Andrew Pinski <apinski@cavium.com>
52 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
55 2012-05-16 David S. Miller <davem@davemloft.net>
57 * jump.c (delete_related_insns): If we remove a CALL, make sure
58 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
60 2012-05-16 Richard Henderson <rth@redhat.com>
63 * combine-stack-adj.c (prev_active_insn_bb): New.
64 (next_active_insn_bb): New.
65 (force_move_args_size_note): New.
66 (combine_stack_adjustments_for_block): Use it.
68 2012-05-16 Olivier Hainque <hainque@adacore.com>
70 * Makefile.in (install-no-fixedincludes): New target, former toplevel
71 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
72 Add comments and improve stamp preservation across the whole sequence.
73 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
75 2012-05-16 Richard Guenther <rguenther@suse.de>
77 PR tree-optimization/53364
78 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
79 detect a view-conversion of the decl.
81 2012-05-15 Jakub Jelinek <jakub@redhat.com>
84 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
85 that operands[2] is either immediate, or q_regs_operand.
87 2012-05-15 Bin Cheng <bin.cheng@arm.com>
89 Backport r187139 from mainline.
90 2012-05-04 Bin Cheng <bin.cheng@arm.com>
92 PR rtl-optimization/52804
93 * reload1.c (reload_reg_reaches_end_p): Check whether successor
94 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
95 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
96 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
97 RELOAD_FOR_OUTADDR_ADDRESS.
99 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
102 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
103 generate target register for "load" class builtins.
106 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
109 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
110 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
111 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
112 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
113 (<sse>_movu<ssemodesuffix>): New expander.
114 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
115 (avx_movdqu<avxmodesuffix>): New expander.
116 (*sse2_movdqu): Rename from sse2_movdqu.
117 (sse2_movdqu): New expander.
119 2012-05-14 Jakub Jelinek <jakub@redhat.com>
121 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
122 lineno 1 the same as lineno 0 before first start file directive.
123 (optimize_macinfo_range): Likewise.
125 * dwarf2out.c (have_macinfo): Define.
126 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
127 attribute, don't force empty compilation unit and don't emit any
128 .debug_macinfo/.debug_macro section if macinfo_table is empty.
130 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
132 Backport from mainline
133 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
135 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
136 ORDERED and UNORDERED conditions.
138 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
140 * function.c (requires_stack_frame_p): If the function can throw
141 non-call exceptions, return true if the insn can throw internally.
143 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
145 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
146 DECL_ORIGINAL_TYPE if it is present.
148 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
150 Backport from 2012-05-12 mainline r187342.
153 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
154 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
155 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
156 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
157 (expand_prologue): Move initialization of cfun->machine->is_naked,
158 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
159 (avr_set_current_function): ...this new static function.
160 (TARGET_SET_CURRENT_FUNCTION): New define.
161 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
162 checking attributes of current_function_decl.
163 (avr_regs_to_save): Ditto.
164 (signal_function_p): Rename to avr_signal_function_p.
165 (interrupt_function_p): Rename to avr_interrupt_function_p.
167 * doc/extend.texi (Function Attributes): Better explanation of
168 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
171 2012-05-09 Matthias Klose <doko@ubuntu.com>
173 * gcc-ar.c (main): Don't check for execute bits for the plugin.
175 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
178 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
179 when a constant source operand matches an "I" constraint, the "no
180 CC0 change" applies to a register-destination only, not a
181 strict_low_part-destination.
183 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
185 Backport from mainline:
186 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
188 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
190 2012-05-07 Jakub Jelinek <jakub@redhat.com>
192 PR tree-optimization/53239
193 * tree-vrp.c (get_value_range): Set VR of
194 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
197 2012-05-07 Richard Guenther <rguenther@suse.de>
199 PR tree-optimization/53195
200 * tree-inline.c (setup_one_parameter): Properly add referenced
201 vars from the parameters new known value.
203 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
205 Backport from mainline:
206 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
209 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
212 2012-05-04 Ian Lance Taylor <iant@google.com>
214 * tree-vect-patterns.c (vect_single_imm_use): Correct return
215 values from false to NULL.
217 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
219 Backport from mainline
220 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
223 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
224 (TARGET_CMOV): Rename from TARGET_CMOVE.
225 (TARGET_CMOVE): New define.
226 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
227 Do not set TARGET_CMOVE here.
229 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
231 Backport from mainline:
233 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
235 PR tree-optimization/52633
236 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
237 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
238 (vect_recog_over_widening_pattern): Remove handling of code that was
239 already detected as over-widening pattern. Remove special handling
240 of "unsigned" cases. Instead, support general case of conversion
241 of the shift result to another type.
243 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
245 * tree-vect-patterns.c (vect_single_imm_use): New function.
246 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
247 (vect_recog_over_widening_pattern): Likewise.
248 (vect_recog_widen_shift_pattern): Likewise.
250 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
252 PR tree-optimization/52870
253 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
254 presumed pattern statement is within the same loop or basic block.
256 2012-05-04 Richard Guenther <rguenther@suse.de>
258 * common.opt (flto-report): Do not mark as Optimization.
260 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
263 * recog.c (constrain_operands): If extra constraints are present, also
264 accept pseudo-registers with equivalent memory locations during reload.
266 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
268 Backport from the mainline
269 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
272 * config/rs6000/rs6000.md (bswapdi splitters): If
273 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
274 default) is used, generate an alternate sequence that does not
275 depend on using indexed addressing.
277 2012-05-03 David S. Miller <davem@davemloft.net>
280 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
281 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
282 (sparc_emit_float_lib_cmp): Likewise.
284 2012-05-04 Martin Jambor <mjambor@suse.cz>
286 Backport from mainline
287 2012-05-02 Martin Jambor <mjambor@suse.cz>
290 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
291 of a variable when the contect is a function.
293 2012-05-03 Jakub Jelinek <jakub@redhat.com>
296 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
297 append program name to it and pass that as first argument
298 to make_relative_prefix. Always pass standard_libexec_prefix
299 as last argument to make_relative_prefix. If
300 make_relative_prefix returns NULL, fall back to
301 standard_libexec_prefix.
304 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
308 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
309 mode, return that mode.
311 2012-05-03 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/53144
314 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
316 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
317 with SSA name values.
318 (vn_reference_lookup_3): Adjust callers.
320 2012-05-02 Jakub Jelinek <jakub@redhat.com>
322 PR tree-optimization/53163
323 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
324 return value from compute_all_dependences.
326 PR rtl-optimization/53160
327 * ree.c (combine_reaching_defs): Handle the case where cand->insn
328 has been modified by ree pass already.
330 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
332 Backport from mainline
333 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
336 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
337 calls to cgraph_node_name in xstrdup.
338 (ipa_make_edge_direct_to_target): Ditto.
339 * tree-sra.c (convert_callers_for_node): Ditto.
340 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
341 * ipa-cp.c (perhaps_add_new_callers): Ditto.
342 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
343 (cgraph_materialize_all_clones): Ditto.
344 * ipa-inline.c (report_inline_failed_reason): Ditto.
345 (want_early_inline_function_p): Ditto.
346 (edge_badness): Ditto.
347 (update_edge_key): Ditto.
348 (flatten_function): Ditto.
350 (inline_always_inline_functions): Ditto.
351 (early_inline_small_functions): Ditto.
353 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
355 Backport from mainline
356 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
358 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
359 Introduce emul_name to select the right linker emulation for
360 powerpc64-*-freebsd*.
361 * configure: Regenerate.
362 * config.gcc: Add bits to support powerpc64-*-freebsd*.
363 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
364 * config/rs6000/freebsd64.h: New file.
365 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
367 (rs6000_savres_strategy): Likewise.
368 (rs6000_savres_routine_name): Likewise.
369 (rs6000_elf_file_end): Likewise.
370 * config/rs6000/t-freebsd64: New file.
371 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
372 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
374 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
376 Backport from mainline
377 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
380 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
382 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
384 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
385 predicate to discriminate types.
387 2012-04-27 Richard Guenther <rguenther@suse.de>
390 * convert.c (convert_to_integer): Avoid infinite recursion for
391 target-defined built-in types.
393 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
396 * config/cris/cris.md ("*andhi_lowpart_v32")
397 ("*andqi_lowpart_v32"): Change first input-only operand from
398 a (match_operand ...) to (match_dup 0). Drop alternatives with
399 const_int-matching constraints for redundancy.
400 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
401 three-operand alternative.
403 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
405 Backport from mainline
406 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
408 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
409 (*addsi_2_zext): Ditto.
410 (*add<mode>_3): Ditto.
411 (*addsi_3_zext): Ditto.
412 (*add<mode>_5): Ditto.
414 2012-04-25 Jakub Jelinek <jakub@redhat.com>
417 * c-typeck.c (set_nonincremental_init,
418 set_nonincremental_init_from_string): Pass true instead of false
419 as IMPLICIT to add_pending_init.
421 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
423 Backport from 2012-04-24 mainline r186768.
426 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
428 2012-04-24 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/53085
431 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
434 2012-04-24 Jakub Jelinek <jakub@redhat.com>
437 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
439 (output_addressed_constants): Likewise.
442 * varasm.c (get_section): Don't ICE for section conflicts with
443 built-in section kinds.
445 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
447 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
449 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
451 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
453 2012-04-23 Richard Guenther <rguenther@suse.de>
456 * c-typeck.c (build_binary_op): Fix typo.
458 2012-04-23 Jakub Jelinek <jakub@redhat.com>
460 PR tree-optimizations/52891
461 * tree-vect-patterns.c (adjust_bool_pattern): Use
462 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
463 but with non-standard precision.
465 2012-04-22 Ian Lance Taylor <iant@google.com>
467 * godump.c (go_output_typedef): Dump size of structs.
469 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
471 Backport from mainline:
473 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
474 hints for 'A' operand types.
476 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
478 Backport from 2012-04-19 mainline r186588.
481 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
484 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
486 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
488 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
491 * config/i386/sync.md (atomic_<code><mode>): Rename to
492 atomic_<logic><mode>.
494 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
496 Backport from mainline
497 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
500 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
501 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
502 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
503 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
504 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
505 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
506 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
507 gen_avx2_permvarv8sf.
509 2012-04-16 Martin Jambor <mjambor@suse.cz>
511 Backported from mainline
513 2012-04-13 Martin Jambor <mjambor@suse.cz>
516 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
517 fold_ctor_reference returns a zero constant.
519 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
521 Backported from mainline
522 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
524 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
525 and __ILP32__ for x32.
527 2012-04-13 Tom de Vries <tom@codesourcery.com>
529 Backport from mainline r186418.
531 2012-04-13 Tom de Vries <tom@codesourcery.com>
533 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
534 parameters vuse and vuse_escaped.
535 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
536 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
539 2012-04-13 Richard Guenther <rguenther@suse.de>
541 PR tree-optimization/52969
542 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
543 the condition for the COND_EXPR and handle predicate negation
544 by swapping the COND_EXPR arms.
546 2012-04-13 Richard Guenther <rguenther@suse.de>
549 * convert.c (convert_to_pointer): Remove special-casing of
552 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
554 Backport from mainline
555 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
558 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
559 the list of options to enable the FCFID instruction.
560 (TARGET_EXTRA_BUILTINS): Adjust comment.
562 2012-04-12 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/52943
565 * tree-chrec.h (chrec_is_positive): Remove.
566 * tree-scalar-evolution.c (chrec_is_positive): Move ...
567 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
568 Return false for a constant zero instead of negative.
569 (analyze_siv_subscript_cst_affine): Handle zero difference
570 in the initial condition explicitely.
572 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
575 * varasm.c (process_pending_assemble_externals): Set
576 pending_assemble_externals_processed true.
577 (assemble_external): Call assemble_external_real if the pending
578 assemble externals have been processed.
580 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
583 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
584 the DECL generated for the special GOT helper.
586 2012-04-06 Walter Lee <walt@tilera.com>
588 Backport from mainline
589 2012-03-07 Walter Lee <walt@tilera.com>
591 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
592 REG_CFA_* notes for the stack pointer.
593 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
594 EH_RETURN_STACKADJ_RTX.
595 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
596 generate REG_CFA_* notes for the stack pointer.
597 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
598 by EH_RETURN_STACKADJ_RTX.
600 2012-04-06 Matt Turner <mattst88@gmail.com>
602 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
604 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
606 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
607 of the destination isn't also a FP_REGS register.
609 2012-04-03 Richard Guenther <rguenther@suse.de>
611 Backport from mainline
612 2012-03-02 Richard Guenther <rguenther@suse.de>
614 PR tree-optimization/52406
615 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
616 (struct indices): Add unconstrained_base member.
617 (struct dr_alias): Remove unused vops member.
618 (DR_UNCONSTRAINED_BASE): New define.
619 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
620 add indices to allow their disambiguation. Make DR_BASE_OBJECT
621 be an artificial access that covers the whole indexed object,
622 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
623 plain decl base-objects to their MEM_REF variant.
624 (dr_may_alias_p): When the base-object of either data reference
625 has unknown size use only points-to information.
626 (compute_affine_dependence): Make dumps easier to read and
628 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
629 DR_REF when looking for packed references.
630 (vect_supportable_dr_alignment): Likewise.
632 2012-04-03 Richard Guenther <rguenther@suse.de>
634 Backport from mainline
635 2012-03-15 Richard Guenther <rguenther@suse.de>
638 * tree-data-ref.c (subscript_dependence_tester_1): Check
639 all dimensions for non-conflicting access functions.
641 2012-04-03 Richard Guenther <rguenther@suse.de>
643 Backport from mainline
644 2012-03-06 Richard Guenther <rguenther@suse.de>
647 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
649 2012-03-23 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/52678
652 * tree-vectorizer.h (struct _stmt_vec_info): Add
653 loop_phi_evolution_part member.
654 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
655 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
656 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
657 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
658 Use the cached evolution part and the PHI nodes value from
659 the loop preheader edge instead of re-analyzing the evolution.
661 2012-03-26 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/52701
664 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
665 compute and set the evolution part of PHI nodes.
667 2012-03-30 Richard Guenther <rguenther@suse.de>
669 PR tree-optimization/52754
670 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
671 propagate arbitrary addresses into really plain dereferences.
673 2012-04-03 Jakub Jelinek <jakub@redhat.com>
675 PR tree-optimization/52835
676 * tree-data-ref.c (build_rdg): Return NULL if
677 compute_data_dependences_for_loop failed.
679 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
681 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
682 (stmt_can_make_abnormal_goto): Use it.
683 (is_ctrl_altering_stmt): Likewise.
685 2012-03-31 Martin Jambor <mjambor@suse.cz>
687 Backported from mainline
688 2012-03-30 Martin Jambor <mjambor@suse.cz>
690 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
691 is a builtin_stack_save in a dominating BB.
693 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
695 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
696 crossing 128bit lane boundary.
698 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
700 Backported from mainline
701 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
704 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
706 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
707 * config/i386/i386.c: Include reload.h.
708 (ix86_legitimize_reload_address): New function.
710 2012-03-28 Martin Jambor <mjambor@suse.cz>
712 Backported from mainline
713 2012-03-27 Martin Jambor <mjambor@suse.cz>
716 * tree-sra.c (sra_modify_assign): Do not call
717 load_assign_lhs_subreplacements when working with an unscalarizable
720 2012-03-28 Jakub Jelinek <jakub@redhat.com>
723 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
724 __builtin_va_start to __builtin_next_arg if the latter is
725 builtin_decl_explicit_p rather than when it is not.
728 * tree-vect-generic.c (vector_element): Perform multiplication
729 for pos in bitsizetype type instead of idx type.
731 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
733 Backport from 2012-03-28 mainline r185910.
736 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
737 (avr_builtin_decl): New static function.
738 (struct avr_builtin_description, avr_bdesc): Move up.
739 Add GTY marker. Add field fndecl. Remove redundant field id.
740 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
741 (avr_expand_builtin): Code cleanup because .id is removed.
743 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
746 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
749 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
751 Backport from 2012-03-28 mainline r185907.
754 * config.gcc (tm_file): Remove avr/multilib.h.
756 * doc/invoke.texi (AVR Options): Adjust
757 documentation of -mtiny-stack.
759 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
760 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
761 * config/avr/t-avr: Remove generation of multilib.h.
762 * config/avr/t-multilib: Regenerate.
763 * config/avr/multilib.h: Remove.
764 * config/avr/avr.opt (-msp8): New option.
765 (avr_sp8): New variable.
766 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
767 * config/avr/avr.h (AVR_HAVE_SPH): New define.
768 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
769 (avr_device_to_sp8): New prototype.
770 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
771 (DRIVER_SELF_SPECS): New define.
772 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
773 __AVR_SP8__, __AVR_HAVE_SPH__.
774 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
775 AVR_HAVE_8BIT_SP to decide if SP_H is present.
776 (avr_file_start): Ditto.
778 2012-03-28 Jakub Jelinek <jakub@redhat.com>
781 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
782 instead of 8 in adjust_address.
784 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
786 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
787 of a unit before computing the offset in units.
789 2012-03-27 Richard Guenther <rguenther@suse.de>
792 * fold-const.c (try_move_mult_to_index): Handle &x.array more
795 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
798 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
800 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
803 * varasm.c: Include pointer-set.h.
804 (pending_assemble_externals_set): New pointer set.
805 (process_pending_assemble_externals): Destroy the pointer set.
806 (assemble_external): See if decl is in pending_assemble_externals_set,
807 and add it to pending_assemble_externals if necessary.
808 (init_varasm_once): Allocate pending_assemble_externals_set.
810 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
812 Backported from mainline
813 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
816 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
817 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
818 (vector_ltgt<mode>): Likewise.
819 (vector_ordered<mode>): Likewise.
820 (vector_unordered<mode>): Likewise.
821 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
823 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
825 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
828 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
830 Backported from mainline
831 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
835 * config/sh/sh.c (sh_register_move_cost): Increase cost between
836 GENERAL_REGS and FP_REGS for SImode.
838 2012-03-22 Jakub Jelinek <jakub@redhat.com>
841 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
842 on any new_local_var_chain vars declared during recursing on
843 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
845 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
847 Backport from 2012-03-22 mainline r185692.
850 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
851 (unspecv): Add UNSPECV_MEMORY_BARRIER.
852 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
853 (delay_cycles_1, delay_cycles_2): Ditto.
854 (delay_cycles_3, delay_cycles_4): Ditto.
855 (nopv, *nopv): Ditto.
856 (sleep, *sleep): Ditto.
859 Backport from 2012-03-21 mainline r185605.
861 PR rtl-optimization/52543
863 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
864 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
865 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
866 (avr_load_libgcc_p): Restrict to __flash loads.
867 (avr_out_lpm): Only handle 1-byte loads from __flash.
868 (avr_load_lpm): New function.
869 (avr_find_unused_d_reg): Remove.
870 (avr_out_lpm_no_lpmx): Remove.
871 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
872 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
873 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
874 (load_<mode>, load_<mode>_clobber): New insns.
875 (mov<mode>): For multi-byte move from non-generic
876 16-bit address spaces: Expand to load_<mode> resp.
878 (load<mode>_libgcc): Remove expander.
879 (split-lpmx): Remove split.
881 Backport from 2012-03-13 mainline r185329.
884 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
885 offset (size) to a value the insns can deal with.
886 (expand_epilogue): Ditto.
888 Backport from 2012-03-12 mainline r185256.
891 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
892 type from reg_class_t to enum reg_class.
893 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
895 Backport from 2012-03-12 mainline r185253.
898 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
899 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
900 r184615 from 2012-02-28.
902 Backport from 2012-03-08 mainline r185105.
904 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
905 for constants in [-63,63].
907 Backport from 2012-03-08 mainline r185100.
910 * config/avr/avr.c (avr_mem_clobber): New static function.
911 (avr_expand_delay_cycles): Add memory clobber operand to
912 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
913 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
914 (enable_interrupt, disable_interrupt): New expander.
915 (nopv, sleep, wdr): New expanders.
916 (delay_cycles_1): Add memory clobber.
917 (delay_cycles_2): Add memory clobber.
918 (delay_cycles_3): Add memory clobber.
919 (delay_cycles_4): Add memory clobber.
920 (cli_sei): New insn from former "enable_interrupt",
921 "disable_interrupt" with memory clobber.
922 (*wdt): New insn from former "wdt" with memory clobber.
923 (*nopv): Similar, but for "nopv".
924 (*sleep): Similar, but for "sleep".
926 Backport from 2012-03-07 mainline r185043.
929 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
931 Backport from 2012-03-07 mainline r185032.
934 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
935 to: RAMPZ, RAMPY, RAMPX, RAMPD.
936 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
938 Backport from 2012-03-07 mainline r185031.
941 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
943 * config/avr/avr.md (xload_8): Adjust insn length.
945 Backport from 2012-03-07 mainline r185030.
948 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
949 if RAMPZ affects reading from RAM.
951 Backport from 2012-03-05 mainline r184919.
953 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
955 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
957 Backport from mainline r185259.
960 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
961 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
963 2012-03-22 Jakub Jelinek <jakub@redhat.com>
965 Backported from mainline
966 2012-03-13 Jakub Jelinek <jakub@redhat.com>
969 * c-parser.c (c_parser_postfix_expression)
970 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
972 * config/i386/smmintrin.h: Avoid /* within a comment.
973 * config/i386/nmmintrin.h: Likewise.
975 2012-03-22 Richard Guenther <rguenther@suse.de>
977 * BASE-VER: Set to 4.7.1.
978 * DEV-PHASE: Set to prerelease.
980 2012-03-22 Release Manager
982 * GCC 4.7.0 released.
984 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
986 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
988 2012-03-15 Jakub Jelinek <jakub@redhat.com>
989 Andrew Pinski <apinski@cavium.com>
992 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
993 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
994 calls instead of __builtin_ir{int,ound}*.
996 2012-03-14 Jakub Jelinek <jakub@redhat.com>
999 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1002 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1004 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1005 Refer to GCC 4.7 version of c99status.html.
1007 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1009 Backport from mainline
1010 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1012 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1013 redefine to be NULL if the current bit-size is different from the
1014 configured bit-size.
1016 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1017 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1018 set the default tuning. Add asserts to make sure the cpu and tune
1019 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1020 test whether the index is set, instead of > 0.
1021 (rs6000_file_start): Do not reset the default cpu if the current
1022 bit-size is different from the configured bit-size.
1024 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1026 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1028 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1029 Update binutils references.
1030 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1031 Update binutils reference.
1032 Update Sun as/GNU ld caveat.
1033 Document binutils largefile requirement for LTO plugin.
1034 Remove reference to alternate libpthread.
1036 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1038 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1040 (Specific, mips-sgi-irix6): Likewise.
1042 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1044 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1045 * configure: Regenerate.
1047 2012-03-07 Richard Henderson <rth@redhat.com>
1049 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1050 * config/m68k/sync.md (atomic_test_and_set): Use it.
1051 (atomic_test_and_set_1): Likewise.
1053 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1056 * Makefile.in: Let install-gcc-ar depend on installdirs,
1057 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1058 Don't double canonicalize if cross-compiling.
1060 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1062 * trans-mem.c: New typedef for tm_region_p.
1063 Define vector types for tm_region_p.
1064 (tm_region_init): Replace region_worklist to a vector called
1067 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1070 * trans-mem.c (tm_region_init): Use last_basic_block.
1072 2012-03-05 Richard Henderson <rth@redhat.com>
1075 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1076 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1077 BIGGEST_ALIGNMENT is aligned.
1079 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1081 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1083 2012-03-05 Richard Henderson <rth@redhat.com>
1086 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1087 instead of calling negqi2 directly.
1089 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1091 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1092 (INTMAX_TYPE): Use it.
1093 (UINTMAX_TYPE): Likewise.
1094 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1095 (irix6_c_common_override_options): Declare.
1096 (C_COMMON_OVERRIDE_OPTIONS): Define.
1097 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1098 * config/mips/irix6-c.c: New file.
1099 * config/mips/t-irix6 (irix6-c.o): New target.
1100 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1103 2012-03-02 Richard Henderson <rth@redhat.com>
1105 * optabs.c (expand_atomic_test_and_set): Honor
1106 atomic_test_and_set_trueval even when atomic_test_and_set
1107 optab is not in use.
1109 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1111 Backport from mainline
1112 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1114 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1116 2012-03-02 Richard Guenther <rguenther@suse.de>
1118 * DEV-PHASE: Set to prerelease.
1120 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1122 * config.gcc (obsolete): Add all ARM targets using the FPA.
1123 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1124 * doc/install.texi: Avoid references to obsolete ARM ports.
1126 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1128 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1130 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1131 Joern Rennecke <joern.rennecke@embecosm.com>
1133 * doc/extend.texi: Expand and update information on interrupt
1134 attribute for Epiphany.
1136 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1138 * config/sh/sh-protos.h: Update copyright notice dates.
1139 * config/sh/sh.h: Likewise.
1140 * config/sh/sh.md: Likewise.
1141 * config/sh/constraints.md: Likewise.
1142 * config/sh/predicates.md: Likewise.
1144 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1146 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1147 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1149 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1151 * config/sh/constraints.md: Fix comment typo.
1153 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1156 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1157 unsigned HOST_WIDE_INT.
1158 (zvdep_imm64): Likewise.
1159 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1160 (vdepi_and): Likewise.
1161 Likewise for unamed 64-bit patterns.
1162 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1164 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1167 PR rtl-optimization/52417
1168 * cselib.c (cselib_any_perm_equivs): New variable.
1169 (cselib_reset_table): Check that it's not set when not
1170 preserving constants.
1171 (cselib_add_permanent_equiv): Set it.
1172 (cselib_have_permanent_equivalences): New.
1173 (cselib_init, cselib_finish): Reset it.
1174 * cselib.h (cselib_have_permanent_equivalences): Declare.
1175 * alias.c (get_addr): Restore earlier behavior when there
1176 aren't permanent equivalences.
1178 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1180 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1181 * config/v850/v850-modes.def: Fix copyright notice.
1183 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1185 * doc/extend.texi (AVR Built-in Functions): Document
1186 __builtin_avr_flash_segment.
1188 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1189 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1190 (*split.flash_segment): New insn-and-split.
1191 * config/avr/avr.c (avr_init_builtins): Add local variables:
1192 const_memx_void_node, const_memx_ptr_type_node,
1193 char_ftype_const_memx_ptr.
1195 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1197 PR tree-optimization/52445
1198 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1199 add ssa_name_ver, offset and size fields and change store field
1201 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1202 (add_or_mark_expr): Likewise. Only consider previous stores
1203 with the same size and offset.
1204 (nt_init_block): Only look at gimple_assign_single_p stmts,
1205 doesn't look at rhs2.
1207 2012-03-01 Richard Guenther <rguenther@suse.de>
1210 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1211 conversions from integral types to pointer types.
1213 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1215 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1216 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1217 unintentionally removed in r184616.
1219 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1221 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1224 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1225 Uros Bizjak <ubizjak@gmail.com>
1228 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1229 alternatives, add "e" constraint to the new last alternative
1230 and ! to last 3 alternatives.
1232 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1234 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1235 DW_AT_artificial attributes at the end of the processing.
1236 (gen_array_type_die): Likewise.
1237 (gen_enumeration_type_die): Likewise.
1238 (gen_struct_or_union_type_die): Likewise.
1239 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1242 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1245 * expr.c (expand_assignment): If doing misaligned store that doesn't
1246 cover all mode bits, perform a RMW cycle.
1248 PR tree-optimization/52429
1249 * tree-parloops.c (separate_decls_in_region_debug): Return early
1250 if var is LABEL_DECL.
1252 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1254 PR tree-optimization/52424
1255 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1256 calling dom_thread_across_edge.
1258 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1260 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1262 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1264 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1265 * config/avr/avr.c (avr_output_bld): Remove unused function.
1266 (avr_out_sbxx_branch): Use "%T" to print bit position.
1268 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1270 * config/avr/avr.md: Untabify.
1272 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1274 * config/avr/avr.md (eqne): New code iterator.
1275 (*dec-and-branchsi): Use it in text peephole's condition.
1276 (*dec-and-branchhi): Ditto.
1277 (*dec-and-branchqi): Ditto.
1279 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1282 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1283 the device does not have the skip-bug.
1285 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1287 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1288 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1289 -mpretend-cmove): New.
1291 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1294 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1295 doesn't count DEBUG_INSN refs.
1296 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1297 for DEBUG_INSN refs.
1299 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1303 2012-02-20 Richard Guenther <rguenther@suse.de>
1304 PR tree-optimization/52298
1305 * tree-vect-stmts.c (vectorizable_load): Properly use
1306 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1309 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1312 * gimple.h (gimple_in_transaction): New.
1313 (gimple_set_in_transaction): New.
1314 (struct gimple_statement_base): Add in_transaction field.
1315 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1317 (tree_ssa_lim_initialize): Compute transaction bits.
1318 * tree.h (compute_transaction_bits): Protoize.
1319 * trans-mem.c (tm_region_init): Use the heap to store BB
1321 (compute_transaction_bits): New.
1323 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1325 * gcc.c (display_help): Document --help=common and sort entries
1328 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1330 * doc/install.texi: Document check-$LANG specific shortcuts
1332 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1335 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1337 * config/arm/arm_neon.h: Regenerate.
1338 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1339 (neon_vcgeu): New insn.
1340 (neon_vcgtu): Likewise.
1341 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1342 (ops): Unsigned comparison intrinsics call a different
1345 2012-02-28 Richard Guenther <rguenther@suse.de>
1348 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1349 ordering for the VEC_CONCAT for two element vectors for
1350 V2SFmode, V2SImode and V2DImode.
1352 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1355 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1356 detecting big-endian triplets.
1358 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1360 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1361 mode if there is no type information available.
1363 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1365 PR tree-optimization/53207
1366 * doc/invoke.texi: Document as experimental and relying on graphite.
1368 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1370 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1371 of initializer to changes from r184614.
1373 2012-02-28 Richard Guenther <rguenther@suse.de>
1375 PR tree-optimization/52395
1376 * tree-sra.c (build_ref_for_offset): Also look at the base
1377 TYPE_ALIGN when figuring out the alignment of the replacement.
1379 2012-02-28 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/52402
1382 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1383 mis-aligned types when creating the accesses at the call site.
1385 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1387 * config/avr/builtins.def: New file.
1388 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1389 * config/avr/avr.c (enum avr_builtin_id): Use it.
1390 (avr_init_builtins): Use it. And use avr_bdesc.
1391 (bdesc_1arg): Remove.
1392 (bdesc_2arg): Remove.
1393 (bdesc_3arg): Remove.
1394 (struct avr_builtin_description): Add field n_args.
1395 (avr_bdesc): New static variable using builtins.def.
1396 (avr_expand_builtin): Use it.
1397 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1398 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1399 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1401 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1404 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1405 match only one single hard register with respective hard reg rtx.
1406 (movmemx_<mode>): Ditto.
1407 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1408 insn anatomy of movmem[x]_<mode>.
1409 (avr_out_movmem): Same for printing assembler and operand usage.
1411 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1415 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1416 address spaces located outside of device flash.
1418 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1419 (mcu_type_s): Add field n_flash.
1420 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1421 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1422 (AVR_MCU): Add N_FLASH argument.
1423 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1424 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1425 macro __FLASH<n> if that address space makes sense for the device.
1426 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1427 outside of target flash.
1428 (avr_asm_named_section): Ditto.
1429 (avr_asm_select_section): Ditto.
1430 (avr_addr_space_convert): Ditto.
1431 (avr_emit_movmemhi): Ditto.
1432 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1433 address space is outside of device flash.
1434 (avr_insert_attributes): Ditto.
1435 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1436 avr_current_arch->n_segments.
1438 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1441 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1443 (*movabs<mode>_2): Likewise.
1445 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1448 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1449 s_register_operand in the test instead of REG_P. Don't call
1450 gen_reg_rtx if it won't be used.
1452 PR tree-optimization/52376
1453 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1455 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1457 * ifcvt.c (noce_get_condition): Check condition variable is not
1458 small_register_classes_for_mode_p before accepting.
1460 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1462 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1464 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1467 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1468 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1470 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1472 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1474 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1476 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1478 * config/sh/predicates.md: Remove blank lines.
1479 * config/sh/sh.c: Fix typos in comments.
1480 * config/sh/constraints.md: Likewise.
1481 * config/sh/sh.md: Remove blank lines.
1482 Fix typos in comments. Use ;; as comment characters.
1484 2012-02-26 Walter Lee <walt@tilera.com>
1486 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1487 (replace_mov_pcrel_step2): Ditto.
1489 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1492 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1493 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1494 and locs that reference values newer than the non-canonical value
1495 at hand. Return the canonical value as a worst case.
1496 (memrefs_conflict_p): Walk canonical value's locs.
1499 * cselib.c (preserve_only_constants): Rename to...
1500 (preserve_constants_and_equivs): ... this. Split out...
1501 (invariant_or_equiv_p): ... this. Preserve plus expressions
1502 of other preserved expressions too.
1503 (cselib_reset_table): Adjust.
1504 * var-tracking.c (reverse_op): Use canonical value to build
1507 2012-02-23 Kai Tietz <ktietz@redhat.com>
1509 * config/i386/i386.c (ix86_delegitimize_address): Handle
1510 UNSPEC_PCREL plus displacement.
1512 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1515 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1516 to test for unusedness in st X addressing.
1518 2012-02-24 Richard Guenther <rguenther@suse.de>
1521 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1522 (is_gimple_reg_type): Move inline ...
1523 * gimple.h (is_gimple_reg_type): ... here.
1525 2012-02-24 Richard Guenther <rguenther@suse.de>
1528 * passes.c (execute_function_todo): When verifying SSA form
1529 verify gimple form first.
1530 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1532 2012-02-24 Richard Guenther <rguenther@suse.de>
1535 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1536 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1538 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1540 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1542 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1544 * tree-phinodes.c (make_phi_node): Mark static.
1545 * tree-flow.h (make_phi_node): Remove extern decl.
1546 * doc/gimple.texi (make_phi_node): Remove documentation.
1548 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1550 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1551 * tree-ssa-sccvn.c (print_scc): Ditto.
1553 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1555 * doc/passes.texi (Full redundancy elimination): Fix typo.
1557 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1559 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1561 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1564 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1566 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1569 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1571 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1573 * config/avr/avr.md (code_stdname): Add ior, xor.
1574 (xior): New code iterator.
1575 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1576 (*<code_stdname><mode>qi.byte1-3): Ditto.
1578 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1580 PR tree-optimization/52019
1581 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1584 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1586 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1587 HAVE_INITFINI_ARRAY to work around namespace pollution in
1588 certain versions of newlib system headers.
1589 * config.in: Regenerate.
1590 * configure: Regenerate.
1591 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1592 instead of HAVE_INITFINI_ARRAY.
1594 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1597 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1598 is not offsettable memory reference.
1600 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1603 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1604 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1606 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1608 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1609 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1611 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1613 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1614 library on Solaris 8 even without TLS support.
1615 * configure: Regenerate.
1617 2012-02-22 Richard Guenther <rguenther@suse.de>
1620 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1621 for GIMPLE_DEBUG stmts.
1623 2012-02-22 Martin Jambor <mjambor@suse.cz>
1626 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1627 according to the base object.
1629 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1631 PR rtl-optimization/50063
1632 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1633 and 2 (8-bit SP) in operand 2.
1634 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1635 setup to use movhi_sp_r instead of vanilla move to write SP.
1636 Adjust REG_CFA notes to superseed unspec.
1637 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1639 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1640 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1641 irq_state 1 (IRQ known to be on) here.
1643 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1645 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1647 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1648 assign_hard_reg): Likewise.
1650 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1652 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1654 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1657 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1658 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1660 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1662 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1663 prototype from here to...
1664 * config/avr/avr.h: ...here.
1666 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1669 * thumb2.md (thumb2_shiftsi3_short): Split register and
1670 immediate shifts. For register shifts tie operands 0 and 1.
1671 (peephole2 for above): Check that register-controlled shifts
1672 have suitably tied operands.
1674 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1677 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1678 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1679 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1680 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1681 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1682 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1683 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1684 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1685 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1686 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1687 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1688 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1689 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1690 bdver1_ssevector_avx256_unaligned_load,
1691 bdver1_ssevector_sse128_unaligned_load,
1692 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1693 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1694 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1695 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1696 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1697 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1698 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1699 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1700 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1701 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1702 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1703 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1704 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1705 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1706 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1707 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1708 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1709 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1710 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1711 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1712 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1713 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1714 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1715 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1716 bdver1_ssediv_double_load, bdver1_ssediv_double,
1717 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1718 Add "bdver2" attribute.
1720 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1722 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1723 default if possible and not specified otherwise.
1725 2012-02-21 Richard Guenther <rguenther@suse.de>
1728 * gimplify.c (create_tmp_from_val): Use the main variant type
1729 for the type of the temporary we create.
1731 2012-02-21 Richard Guenther <rguenther@suse.de>
1733 PR tree-optimization/52324
1734 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1735 do not gimplify a MEM_REF address operand if it is already
1738 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1740 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1741 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1743 2012-02-21 Richard Guenther <rguenther@suse.de>
1745 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1746 nested_in_vect_loop.
1748 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1750 PR tree-optimization/52318
1751 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1752 vdef also to non-pure/const call stmts in the sequence.
1754 2012-02-20 David S. Miller <davem@davemloft.net>
1756 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1757 don't use the "rd %pc" instruction on v9 for PIC register loads.
1759 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1762 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1763 in a transaction safe function.
1765 2012-02-20 Kai Tietz <ktietz@redhat.com>
1768 * stor-layout.c (place_field): Handle desired_align for
1771 2012-02-20 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/52298
1774 * tree-vect-stmts.c (vectorizable_store): Properly use
1775 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1777 (vectorizable_load): Likewise.
1778 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1779 Access DR_STEP after ensuring it is not NULL.
1781 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1783 PR tree-optimization/52286
1784 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1785 optimization use double_int_to_tree instead of build_int_cst_wide,
1786 rewrite to use double_int vars.
1788 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1791 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1793 Remove -e 0 from $gcc_cv_ld invocation.
1794 Only use __GLIBC_PREREQ if defined.
1795 Enable on Solaris since Solaris 8 patch.
1796 (gcc_SUN_LD_VERSION): New macro.
1797 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1798 gcc_SUN_LD_VERSION for version number format.
1799 * configure: Regenerate.
1800 * varasm.c (get_elf_initfini_array_priority_section): Set
1801 SECTION_NOTYPE for non-default priority.
1802 Use get_section instead of get_unnamed_section to emit
1803 .init_array/.fini_array with default priority.
1805 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1807 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1808 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1809 (mips_start_unique_function, mips_output_mips16_rdhwr)
1810 (mips_code_end): New functions.
1811 (TARGET_ASM_CODE_END): Define.
1813 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1815 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1816 to stubs with non-sibling calls.
1818 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1820 * doc/invoke.texi (-fira-* options): Copy-edit.
1821 (ira-* parameters): Copy-edit.
1823 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1825 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1826 GCC coding conventions.
1828 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1830 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1831 when used as adjectives.
1833 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1835 * doc/invoke.texi: Clean up "that"/"which" confusion.
1837 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1839 * system.h: Poison SMALL_REGISTER_CLASSES
1840 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1841 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1843 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1845 PR tree-optimization/52285
1846 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1847 when deciding if a call is a tail call or tail recursion.
1849 2012-02-16 Kai Tietz <ktietz@redhat.com>
1851 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1852 interger-constant displacement for UNSPEC_PCREL.
1854 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1856 PR rtl-optimization/52208
1857 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1858 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1860 PR tree-optimization/52255
1861 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1862 loop->header has virtual PHI, but exit_e->dest doesn't, add
1863 virtual PHI to exit_e->dest and adjust all uses after the loop.
1866 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1867 children with clone_tree_hash, not after it.
1869 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1871 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1872 extended identifiers.
1874 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1877 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1878 a same_body_alias, also test whether e->callee isn't a former
1879 or current clone of the decl this is a same body alias of.
1881 PR translation/52264
1882 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1884 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1886 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1888 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1891 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1892 force_reg instead of copy_to_reg for better optimization. Force
1893 non-register or memory operands into a register.
1895 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1897 * extend.texi: Reserve upper bits of memory model for future use.
1899 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1900 Anatoly Sokolov <aesok@post.ru>
1901 Eric Weddington <eric.weddington@atmel.com>
1904 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1905 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1906 Rewrite initializers for .macro.
1907 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1908 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1909 atxmega32d4, atxmega32x1.
1910 avrxmega4: atxmega64a3, atxmega64d3.
1911 avrxmega5: atxmega64a1, atxmega64a1u.
1912 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1913 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1914 avrxmega7: atxmega128a1, atxmega128a1u.
1915 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1916 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1917 (struct base_arch_s): Rename reserved to xmega_p.
1918 Rename reserved2 to have_rampd.
1919 (AVR_XMEGA): New define.
1920 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1921 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1922 * config/avr/predicates.md (io_address_operand): Take into
1924 (low_io_address_operand): Ditto.
1925 (high_io_address_operand): Ditto.
1926 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1927 (enabled, movhi_sp_r): Use them.
1928 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1929 cpp_define_formatted to built-in define __AVR_ARCH__.
1930 (__AVR_XMEGA__): New built-in define.
1931 (__AVR_HAVE_RAMPD__): New built-in define.
1932 (__AVR_HAVE_RAMPX__): New built-in define.
1933 (__AVR_HAVE_RAMPY__): New built-in define.
1934 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1936 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1937 (avr_option_override): Initialize them.
1938 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1939 (avr_init_expanders): Initialize them. No more block several calls.
1940 (emit_push_sfr): New static function.
1941 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1943 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1944 (avr_print_operand): Print addreeses as symbols for
1945 RAMPX, RAMPY, RAMPD, CCP.
1946 (output_movhi): Handle AVR_XMEGA when writing to SP.
1947 (avr_out_movhi_mr_r_xmega): New static function.
1948 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1949 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1950 __RAMPD__, __CCP__ as needed.
1952 * config/avr/multilib.h: Regenerate.
1953 * config/avr/t-multilib: Regenerate.
1954 * config/avr/avr-tables.opt: Regenerate.
1956 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1958 PR tree-optimization/50561
1959 * graphite-flattening.c (lst_project_loop): Do not
1960 remove old scattering dimensions after flattening.
1961 (lst_do_flatten): Likewise.
1963 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1965 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1966 __builtin_avr_map8, __builtin_avr_map16.
1967 Document __builtin_avr_insert_bits.
1969 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1970 (insert_bits): New insn.
1971 (adjust_len.map_bits): Rename to insert_bits.
1972 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1973 * avr-protos.h (avr_out_map_bits): Remove.
1974 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1975 * config/avr/constraints.md (Cxf,C0f): New.
1976 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1977 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1978 New built-in define __BUILTIN_AVR_INSERT_BITS.
1979 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1980 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1981 (avr_move_bits): Rewrite.
1982 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1984 (avr_map_op_t): New typedef.
1985 (avr_map_op): New static variable.
1986 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1987 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1988 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1989 (bdesc_3arg, avr_expand_triop_builtin): New.
1990 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1991 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1992 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1993 (avr_map_equal_p, avr_map_sig_p): Remove.
1994 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1995 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1996 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1997 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1998 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1999 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2001 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2003 * config/c6x/c6x.md (reserve_cycles): New attribute.
2004 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2005 don't reserve functional units after the branch occurs.
2007 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2010 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2011 functions into non-tm_pure functions.
2013 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2016 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2017 (iterative_hash_canonical_type): Likewise.
2018 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2021 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2023 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2024 sched-group insn, it either remains alone or the entire list is pruned.
2026 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2028 * doc/install.texi (Prerequisites): Fix grammar.
2029 (Configuration): Likewise.
2031 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2033 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2034 MPC as part of GCC before describing configuring with --with-gmp etc.
2035 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2036 sources are present.
2038 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2041 * dwarf2out.c (clone_tree_hash): New function.
2042 (copy_decls_walk): Use it instead of clone_tree.
2044 2012-02-14 Richard Guenther <rguenther@suse.de>
2046 PR tree-optimization/52244
2047 PR tree-optimization/51528
2048 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2049 replacements for integral types.
2051 2012-02-14 Walter Lee <walt@tilera.com>
2053 * config.gcc: Handle tilegx and tilepro.
2054 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2056 Add HAVE_AS_TLS check for tilegx and tilepro.
2057 * configure: Regenerate.
2058 * doc/contrib.texi: Add Mat Hostetter and self.
2059 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2060 Document instruction intrinsics and network accessing intrinsics.
2061 (TILEPro Built-in Functions): New node. Document instruction
2062 intrinsics and network accessing intrinsics.
2063 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2064 (Specific, tilepro-*-linux*): Likewise.
2065 * doc/invoke.texi (TILE-Gx Options): New section.
2066 (TILEPro Options): New section.
2067 * doc/md.texi (TILE-Gx): New section.
2068 (TILEPro): New section.
2069 * common/config/tilegx/tilegx-common.c: New file.
2070 * common/config/tilepro/tilepro-common.c: New file.
2071 * config/tilegx/constraints.md: New file.
2072 * config/tilegx/linux.h: New file.
2073 * config/tilegx/mul-tables.c: New file.
2074 * config/tilegx/predicates.md: New file.
2075 * config/tilegx/sync.md: New file.
2076 * config/tilegx/t-tilegx: New file.
2077 * config/tilegx/tilegx-builtins.h: New file.
2078 * config/tilegx/tilegx-c.c: New file.
2079 * config/tilegx/tilegx-generic.md: New file.
2080 * config/tilegx/tilegx-modes.def: New file.
2081 * config/tilegx/tilegx-multiply.h: New file.
2082 * config/tilegx/tilegx-protos.h: New file.
2083 * config/tilegx/tilegx.c: New file.
2084 * config/tilegx/tilegx.h: New file.
2085 * config/tilegx/tilegx.md: New file.
2086 * config/tilegx/tilegx.opt: New file.
2087 * config/tilepro/constraints.md: New file.
2088 * config/tilepro/gen-mul-tables.cc: New file.
2089 * config/tilepro/linux.h: New file.
2090 * config/tilepro/mul-tables.c: New file.
2091 * config/tilepro/predicates.md: New file.
2092 * config/tilepro/t-tilepro: New file.
2093 * config/tilepro/tilepro-builtins.h: New file.
2094 * config/tilepro/tilepro-c.c: New file.
2095 * config/tilepro/tilepro-generic.md: New file.
2096 * config/tilepro/tilepro-modes.def: New file.
2097 * config/tilepro/tilepro-multiply.h: New file.
2098 * config/tilepro/tilepro-protos.h: New file.
2099 * config/tilepro/tilepro.c: New file.
2100 * config/tilepro/tilepro.h: New file.
2101 * config/tilepro/tilepro.md: New file.
2102 * config/tilepro/tilepro.opt: New file.
2104 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2106 PR tree-optimization/52210
2107 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2108 vect_model_simple_cost with two entry vect_def_type array instead
2109 of an address of dt.
2111 2012-02-14 Richard Guenther <rguenther@suse.de>
2114 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2115 Do not stream DECL_QUALIFIER.
2116 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2117 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2118 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2120 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2123 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2126 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2129 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2130 * cselib.c (cselib_subst_to_values_from_insn): New function.
2131 * sched-deps.c (add_insn_mem_dependence,
2132 sched_analyze_1, sched_analyze_2): Use it.
2134 2012-02-13 Jan Hubicka <jh@suse.cz>
2137 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2139 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2141 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2142 (GTM_SELF_SPECS): Define if not already defined.
2143 (driver_self_specs): Add GTM_SELF_SPECS.
2144 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2145 (GTM_SELF_SPECS): Define.
2146 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2147 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2149 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2151 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2154 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2157 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2158 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2160 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2163 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2165 2012-02-13 Richard Guenther <rguenther@suse.de>
2167 PR translation/52211
2168 * passes.c (enable_disable_pass): Fix typo.
2170 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2173 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2174 XOR for reduce_bit_field if type is unsigned.
2176 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2178 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2179 disallow changes from SFmode to mode with different size in FP regs.
2181 2012-02-12 Robert Millan <rmh@gnu.org>
2182 Gerald Pfeifer <gerald@pfeifer.com>
2184 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2187 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2189 PR rtl-optimization/52175
2190 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2191 to frame-related instructions.
2193 2012-02-10 Jason Merrill <jason@redhat.com>
2196 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2197 (demangle_new_symbols): Fill it.
2198 (scan_linker_output): Walk it.
2199 (start_tweaking): Split out from scan_linker_output.
2200 (maybe_tweak): Update sym->chosen.
2201 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2203 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2206 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2208 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2210 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2211 having the same mode as previous compare.
2213 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2215 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2216 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2217 (nonlocal_goto_internal): Likewise.
2218 (nonlocal_goto): Emit a use and an indirect jump directly.
2220 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2223 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2224 __atomic_{is,always}_lock_free.
2226 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2229 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2230 negative constant address for x32.
2232 2012-02-10 Richard Henderson <rth@redhat.com>
2234 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2235 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2236 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2238 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2239 Ira Rosen <irar@il.ibm.com>
2241 PR tree-optimization/50031
2242 * targhooks.c (default_builtin_vectorization_cost): Handle
2244 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2245 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2246 all types of reduction and pattern statements.
2247 (vect_estimate_min_profitable_iters): Likewise.
2248 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2249 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2250 for explicit realigns.
2251 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2252 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2254 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2255 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2256 vec_perm for VSX and handle vec_promote_demote.
2258 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2261 * builtins.c (fold_builtin_atomic_always_lock_free,
2262 expand_builtin_atomic_always_lock_free,
2263 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2264 Return and/or test boolean_true_node/boolean_false_node instead of
2265 integer_one_node/integer_zero_node.
2267 2012-02-10 Jan Hubicka <jh@suse.cz>
2270 * predict.c (predict_paths_for_bb): Prevent looping.
2271 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2273 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2275 * config/arm/arm.c (output_move_double): In one case properly
2276 count number of instructions that will be emitted.
2278 2012-02-10 Richard Guenther <rguenther@suse.de>
2280 PR translation/52193
2281 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2283 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2286 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2288 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2291 * var-tracking.c (emit_note_insn_var_location): If
2292 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2293 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2294 non-NOTE_DURING_CALL_P insn.
2296 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2299 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2301 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2304 * gcc.c (switch_matches) Support switches with separated form,
2307 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2309 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2311 (RAMPZ_ADDR): Ditto.
2312 * config/avr/avr.c (avr_addr_t): New typedef.
2313 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2314 (avr_init_expanders): Initialize it.
2315 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2317 (expand_epilogue): Ditto.
2318 (avr_print_operand): Ditto.
2319 (avr_file_start): Ditto.
2320 (avr_emit_movmemhi): Ditto.
2322 2012-02-08 Richard Guenther <rguenther@suse.de>
2324 PR tree-optimization/46886
2325 * tree-flow.h (do_while_loop_p): Declare.
2326 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2327 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2329 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2331 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2332 always succeed for integers larger than a native word.
2334 2012-02-08 Richard Guenther <rguenther@suse.de>
2336 PR rtl-optimization/52170
2337 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2338 properly handle integer vector modes.
2340 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2342 PR gcov-profile/52150
2343 * coverage.c: Include target.h.
2344 (build_var): Call targetm.strip_name_encoding on the assembler name.
2345 Change one _ into . or $ if the target allows it.
2346 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2348 PR rtl-optimization/52139
2349 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2350 is a BARRIER after emit_insn_after_noloc, move BB_END
2351 to the last non-BARRIER insn before it.
2353 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2356 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2357 (mips_gimplify_va_arg_expr): Call it instead of
2358 std_gimplify_va_arg_expr.
2360 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2362 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2363 message for -mno-pointers-to-nested-function.
2365 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2368 * expr.c (get_inner_reference): If there is an offset, add a negative
2369 bit position to it (if any).
2371 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2373 PR rtl-optimization/52060
2374 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2375 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2376 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2377 and/or i0src_copy2 when needed.
2379 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2381 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2382 or LTOPLUGINSONAME if have_c.
2384 * config/freebsd-spec.h: Add comment about what macros can be defined
2386 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2387 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2390 2012-02-07 Richard Guenther <rguenther@suse.de>
2392 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2393 newline in -alias dumps.
2395 2012-02-07 Kai Tietz <ktietz@redhat.com>
2396 Dave Korn <dave.korn.cygwin@gmail.com>
2399 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2400 Take care that typinfo gets dllexport-attribute.
2402 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2405 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2406 if modifier < EXPAND_SUM call force_operand on the result.
2408 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2410 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2411 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2413 (epiphany_function_type): Replace types for specific interrupts with
2414 EPIPHANY_FUNCTION_INTERRUPT.
2415 (EPIPHANY_INTERRUPT_P): Update.
2416 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2417 New static function.
2418 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2419 <disinterrupt>: Affects type identity.
2420 (epiphany_handle_interrupt_attribute): Handle variable number of
2422 (epiphany_compute_function_type): Update for new
2423 epiphany_function_type definition.
2424 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2425 handlers with a longcall forwarder.
2426 (epiphany_start_function): Handle multiple interrupt arguments and/or
2427 forwarder_section attribute.
2429 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2432 2012-02-07 Alan Modra <amodra@gmail.com>
2435 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2438 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2440 PR tree-optimization/50969
2441 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2442 use vec_perm rather than vector_stmt.
2443 (vect_model_load_cost): Likewise.
2444 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2445 vec_perm to be the same as other vector statements.
2446 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2447 cost of vec_perm for TARGET_VSX.
2449 2012-02-06 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/52115
2452 * tree-sra.c (access_has_replacements_p): New function.
2453 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2455 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2458 * trans-mem.c (expand_call_tm): Add an assertion.
2459 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2462 2012-02-06 Richard Guenther <rguenther@suse.de>
2464 PR tree-optimization/50955
2465 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2466 raise cost of expressions that replace an address with an
2467 expression based on a different pointer.
2469 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2472 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2473 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2475 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2478 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2479 -Weffc++ and specify guidelines come from second edition.
2481 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2483 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2484 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2485 (call_direct_split, call_value_split, call_value_internal_direct)
2486 (call_value_direct_split, call_value_multiple_split): Use jal and
2487 jal_macro attributes.
2489 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2491 * reload1.c (reload_regs_reach_end_p): Replace with...
2492 (reload_reg_rtx_reaches_end_p): ...this function.
2493 (new_spill_reg_store): Update commentary.
2494 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2495 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2496 before setting new_spill_reg_store.
2497 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2498 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2499 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2500 for non-spill reload registers.
2502 2012-02-05 Ira Rosen <irar@il.ibm.com>
2504 PR tree-optimization/52091
2505 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2506 (vect_is_simple_use_1): Likewise.
2507 * tree-vect-loop.c (vectorizable_reduction): Update calls
2508 to vect_is_simple_use_1 and vect_is_simple_use.
2509 (vectorizable_live_operation): Likewise.
2510 * tree-vect-patterns.c (widened_name_p,
2511 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2512 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2513 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2514 vectorizable_shift,vectorizable_operation, vectorizable_store,
2515 vectorizable_load): Likewise.
2516 (vect_is_simple_cond): Add an argument, pass it to
2517 vect_is_simple_use_1.
2518 (vectorizable_condition): Update calls to vect_is_simple_cond,
2520 (vect_is_simple_use): Add an argument, the statement in which
2521 OPERAND is used. Check that if OPERAND's def stmt is a double
2522 reduction phi node, the use is a phi node too.
2523 (vect_is_simple_use_1): Add an argument, pass it to
2525 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2526 to vect_is_simple_use.
2528 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2530 PR rtl-optimization/52095
2531 * modulo-sched.c (dump_insn_locator): New function.
2532 (loop_canon_p, sms_schedule): Use it.
2534 PR rtl-optimization/52113
2535 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2536 even for decomposable shift/zext insns.
2538 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2539 Zdenek Dvorak <ook@ucw.cz>
2541 PR rtl-optimization/52092
2542 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2543 on get_iv_value result.
2545 2012-02-02 Andrew Pinski <apinski@cavium.com>
2549 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2551 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2554 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2556 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2558 PR rtl-optimization/49800
2559 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2560 (sched_finish): Call regstat_free_n_sets_and_refs.
2562 2012-02-02 Jia Liu <proljc@gmail.com>
2564 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2567 2012-02-02 Jan Hubicka <jh@suse.cz>
2568 Tom de Vries <tom@codesourcery.com>
2571 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2572 * varpool.c (varpool_analyze_pending_decls): Likewise.
2574 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2575 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2577 * config.gcc: Add cr16-* support.
2579 * doc/extend.texi: Document cr16 extensions.
2580 * doc/install.texi: Document cr16 install.
2581 * doc/invoke.texi: Document cr16 options.
2582 * doc/md.texi: Document cr16 constraints.
2584 * common/config/cr16/cr16-common.c: New file.
2585 * config/cr16/cr16.c: New file.
2586 * config/cr16/cr16.h: New file.
2587 * config/cr16/cr16.md: New file.
2588 * config/cr16/cr16.opt: New file.
2589 * config/cr16/cr16-protos.h: New file.
2590 * config/cr16/predicates.md: New file.
2591 * config/cr16/constraints.md: New file.
2592 * config/cr16/t-cr16: New file.
2594 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2597 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2598 that operands[2] is either immediate, or q_regs_operand.
2600 PR tree-optimization/52073
2601 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2602 a pattern stmt for pattern uses, ignore uses outside of the loop.
2604 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2606 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2607 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2608 (OUT_AS1, OUT_AS2): Remove.
2610 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2612 PR rtl-optimization/51374
2613 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2614 to cross other volatile_refs_p insns.
2616 2012-02-01 Richard Guenther <rguenther@suse.de>
2618 * doc/invoke.texi (fno-inline): Clarify documentation.
2619 (finline-small-functions): Likewise.
2620 (finline-functions): Likewise.
2621 * common.opt (finline): Adjust comment and documentation.
2622 (finline-small-functions): Clarify documentation.
2623 (finline-functions): Likewise.
2624 (finline-functions-called-once): Likewise.
2626 2012-02-01 Tristan Gingold <gingold@adacore.com>
2628 * c-typeck.c (composite_type): Keep mode for pointers.
2630 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2632 * function.h (regno_reg_rtx): Adjust comment.
2633 * reginfo.c (init_reg_modes_target): Only use the previous mode
2634 if it fits within one register. Remove MIPS comment.
2636 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2639 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2641 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2643 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2644 to srak instruction.
2646 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2648 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2650 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2655 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2657 2012-01-31 Richard Guenther <rguenther@suse.de>
2659 PR tree-optimization/51528
2660 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2663 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2668 * ree.c (add_removable_extension): Change def_map argument
2669 to unsigned *, store in def_map 1 + offset into *insn_list vector
2670 instead of pointers into the vector.
2671 (find_removable_extensions): Adjust caller.
2673 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2675 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2676 Transform all "* quoted-c-code" to { c-code }.
2677 Remove redundant test for "optimize" in combine patterns.
2678 Move (include "avr-dimode.md") to end of file.
2680 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2683 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2684 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2686 2012-01-30 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/52028
2689 * tree-loop-distribution.c (ldist_gen): Properly update
2692 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2695 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2696 set_cur_line_info_table if not emitting debug info.
2698 PR tree-optimization/52046
2699 * tree-vect-patterns.c (check_bool_pattern): Give up if
2700 a comparison could throw.
2703 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2705 2012-01-30 Richard Guenther <rguenther@suse.de>
2707 PR tree-optimization/52045
2708 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2709 SSA form if cfgcleanup did anything.
2711 2012-01-30 Richard Guenther <rguenther@suse.de>
2713 PR tree-optimization/52045
2714 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2715 before computing final todo.
2717 2012-01-30 Richard Guenther <rguenther@suse.de>
2719 PR tree-optimization/51528
2720 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2723 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2725 * df-problems.c (df_kill_notes): Check that the use refers
2726 to the note under examination.
2728 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2731 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2732 parameter and use short-lived pseudos.
2733 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2734 (sparc_expand_vector_init): Const-ify local variables and adjust
2735 calls to above functions.
2737 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2739 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2741 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2743 * doc/invoke.texi: Make usage of "compile time" and
2744 "run time"/"runtime" consistent throughout the file.
2746 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2748 * config/alpha/alpha.c (alpha_option_override): Default to
2749 full IEEE compliance mode for Go language.
2751 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2753 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2754 (LINK_SSP_SPEC): Define.
2756 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2759 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2762 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2764 * doc/invoke.texi: Correct hyphenation of "floating point",
2765 "double precision", and related terminology throughout the file.
2767 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2770 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2771 arm_general_register_operand predicate for operand 2 instead of
2774 2012-01-27 Ian Lance Taylor <iant@google.com>
2777 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2778 * builtins.c (expand_builtin_init_trampoline): Add onstack
2779 parameter. Change caller.
2780 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2781 * tree.c (build_common_builtin_nodes): Declare
2782 __builtin_init_heap_trampoline.
2784 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2786 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2787 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2788 * config/avr/avr.c: Ditto.
2789 (avr_regnames): Remove because unused.
2790 * config/avr/avr.md (*cpse.ne): New peephole.
2791 (*cpse.eq): New peephole from former cpse peepholes.
2793 2012-01-27 Michael Eager <eager@eagercon.com>
2795 * config/microblaze.c (microblaze_emit_compare): Correct
2796 test after pcmp instruction.
2798 2012-01-27 Richard Guenther <rguenther@suse.de>
2800 PR tree-optimization/52020
2801 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2803 2012-01-27 Richard Guenther <rguenther@suse.de>
2805 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2806 function non-const/pure.
2808 2012-01-27 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/50444
2811 * tree-sra.c (build_ref_for_offset): Properly adjust the
2812 MEM_REF type for unaligned accesses.
2814 2012-01-27 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/50444
2817 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2818 (expand_assignment): Use it. Properly handle misaligned
2819 bases when expanding stores to component references.
2820 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2823 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2826 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2827 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2828 * tree-data-ref.c (find_data_references_in_loop): Make static.
2829 (compute_all_dependences): Change return type to bool. Bail out
2830 for too many datarefs in a loop. Move the hunk resetting the data
2831 dependences vector from ...
2832 (compute_data_dependences_for_loop): ... here. Account for
2833 compute_all_dependences returning false.
2834 (compute_data_dependences_for_bb): Likewise.
2835 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2836 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2838 2012-01-27 Richard Guenther <rguenther@suse.de>
2841 * expr.c (store_field): Use the alias-set of the scratch memory
2844 2012-01-27 Tom de Vries <tom@codesourcery.com>
2846 PR tree-optimization/51990
2847 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2849 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2851 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2854 * var-tracking.c (reverse_op): Don't add any reverse operation
2855 if V already has any constant locations.
2857 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2859 * doc/invoke.texi: Correct usage of "command line" (noun)
2860 vs "command-line" (adjective) throughout.
2862 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2864 * doc/invoke.texi (Language Independent Options): Move
2865 -Wcoverage-mismatch blurb from here....
2866 (Warning Options): ...to here.
2868 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2870 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2871 Set rs6000_always_hint to false for 476.
2873 2012-01-27 Matthias Klose <doko@ubuntu.com>
2875 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2877 * incpath.c (add_standard_paths): Likewise.
2879 2012-01-27 Richard Henderson <rth@redhat.com>
2881 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2882 * config/m68k/sync.md (atomic_test_and_set): Rename from
2883 sync_test_and_setqi and adjust the operands.
2884 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2885 and unconditionally enable.
2887 2012-01-27 Richard Henderson <rth@redhat.com>
2889 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2890 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2891 (ldstub): Rename from ldstubqi.
2892 (ldstub<I24MODE>): Remove.
2894 2012-01-27 Richard Henderson <rth@redhat.com>
2896 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2897 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2898 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2899 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2900 * doc/tm.texi: Rebuild.
2902 2012-01-27 Richard Henderson <rth@redhat.com>
2904 * optabs.c (gen_atomic_test_and_set): Remove default.
2905 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2907 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2909 PR rtl-optimization/51978
2910 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2911 (combine_reaching_defs): Likewise.
2912 (struct re_info): Remove.
2913 (add_removable_extension): Remove x and data arguments,
2914 add insn, insn_list and def_map. Use the arguments directly
2915 instead of using struct re_info.
2916 (find_removable_extensions): Don't call add_removable_extension
2917 through note_stores, instead just call it with single_set
2919 (find_and_remove_re): Pass curr_cand->expr instead of
2920 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2922 2012-01-26 Michael Matz <matz@suse.de>
2924 PR tree-optimization/46590
2925 * cfgexpand.c: Revert last change (r183305).
2926 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2928 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2929 checking for emptiness.
2931 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2934 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2935 non-addressable non-BLKmode base correctly.
2937 2012-01-26 Michael Matz <matz@suse.de>
2939 PR tree-optimization/48794
2940 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2941 regions referenced from RESX/EH_DISPATCH.
2943 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2945 * config/s390/s390.h: Make BRANCH_COST an option.
2946 * config/s390/s390.opt: New option -mbranch-cost.
2948 2012-01-26 Richard Henderson <rth@redhat.com>
2950 Revert 2012-01-24 change:
2951 * trans-mem.c (requires_barrier): Do not instrument thread local
2952 variables and emit save/restore for them.
2954 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2957 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2960 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2962 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2965 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2968 Rename __pgm to __flash.
2969 Rename __pgm1 to __flash1.
2970 Rename __pgm2 to __flash2.
2971 Rename __pgm3 to __flash3.
2972 Rename __pgm4 to __flash4.
2973 Rename __pgm5 to __flash5.
2974 Rename __pgmx to __memx.
2975 * doc/extend.texi (AVR Named Address Spaces)
2976 Rename address space names as indicated above.
2977 * config/avr/avr.c (avr_addrspace): Ditto.
2979 * config/avr/avr-protos.h
2980 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2981 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2982 * config/avr/predicates.md: Ditto.
2983 * config/avr/avr.c Ditto, and
2984 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2985 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2987 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2988 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2989 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2990 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2991 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2992 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2993 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2994 * config/avr/avr.c: Ditto.
2995 * config/avr/avr.md: Ditto.
2997 2012-01-25 Jason Merrill <jason@redhat.com>
3000 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3002 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3004 PR tree-optimization/51987
3005 * tree-data-ref.c (get_references_in_stmt): Handle references in
3006 non-volatile GIMPLE_ASM.
3008 2012-01-25 Richard Guenther <rguenther@suse.de>
3010 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3011 bases are dereferenced.
3013 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3015 PR rtl-optimization/48374
3016 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3018 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3020 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3021 compute_data_dependences_for_loop returns false.
3022 * tree-parloops.c (loop_parallel_p): Likewise.
3024 2012-01-25 Richard Guenther <rguenther@suse.de>
3026 * tree.h (get_pointer_alignment_1): Declare.
3027 * builtins.c (get_pointer_alignment_1): New function.
3028 (get_pointer_alignment): Use it.
3030 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3032 PR rtl-optimization/48308
3033 * combine.c (enum undo_kind): Add UNDO_LINKS.
3034 (struct undo): Add member l to other_contents and where.
3035 (do_SUBST_LINK): New.
3037 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3038 (undo_all): Handle UNDO_LINKS.
3040 2012-01-25 Richard Henderson <rth@redhat.com>
3042 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3045 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3047 * optabs.c (gen_atomic_test_and_set): Use each argument.
3049 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3051 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3052 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3053 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3054 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3055 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3056 TARGET_PAIRED_SINGLE_FLOAT.
3058 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3060 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3061 (in_struct, return_val): Remove MEM documentation.
3062 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3063 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3064 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3066 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3067 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3068 * expr.c (store_field): Likewise.
3069 * function.c (assign_stack_temp_for_type): Likewise.
3070 * ifcvt.c (noce_try_cmove_arith): Likewise.
3071 * reload1.c (reload): Likewise.
3072 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3073 (alpha_set_memflags): Likewise.
3074 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3076 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3078 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3080 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3081 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3082 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3084 * cselib.c (cselib_rtx_varies_p): Delete.
3085 (cselib_invalidate_mem): Update call to canon_true_dependence.
3086 * dse.c (record_store, check_mem_read_rtx): Likewise.
3087 (scan_reads_nospill): Likewise.
3088 * cse.c (check_dependence): Likewise.
3089 (cse_rtx_varies_p): Delete.
3090 * expr.c (safe_from_p): Update call to true_dependence.
3091 * ira.c (validate_equiv_mem_from_store): Likewise.
3092 (memref_referenced_p): Likewise.
3093 * postreload-gcse.c (find_mem_conflicts): Likewise.
3094 * sched-deps.c (sched_analyze_2): Likewise.
3095 * store-motion.c (load_kills_store): Likewise.
3096 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3097 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3098 (compute_transp): Update call to canon_true_dependence.
3100 2012-01-25 Richard Henderson <rth@redhat.com>
3102 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3103 (maybe_emit_atomic_test_and_set): New.
3104 (expand_sync_lock_test_and_set): Use it.
3105 (expand_atomic_test_and_set): Likewise.
3106 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3107 the implementation; clarify implementation defined details.
3108 * doc/md.texi (atomic_test_and_set): Document.
3110 2012-01-25 Richard Henderson <rth@redhat.com>
3112 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3114 2012-01-25 Richard Henderson <rth@redhat.com>
3117 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3118 to effect no-op split.
3120 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3123 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3124 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3125 (BT_FN_VOID_PTR_INT_SIZE): New.
3126 (BT_FN_UINT_UINT_VAR): Remove.
3127 (BT_FN_UINT32_UINT32_VAR): New.
3128 (BT_FN_DOUBLE_VPTR): Remove.
3129 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3131 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3132 (_ITM_changeTransactionMode): Same.
3133 (_ITM_memmoveRtWt): Change return type to void.
3134 (_ITM_memcpyRtWt): Same.
3135 (_ITM_memsetW): Same.
3136 (_ITM_RaRD): Change types to double.
3141 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3143 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3144 Patrick Marlier <patrick.marlier@gmail.com>
3146 * trans-mem.c (requires_barrier): Do not instrument thread local
3147 variables and emit save/restore for them.
3149 2012-01-24 Jason Merrill <jason@redhat.com>
3152 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3153 output static aliases.
3155 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3158 * common.opt (-pie, -shared, pie, shared): Change from Common to
3160 * gcc.c (display_help): Display help for -pie and -shared.
3162 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3165 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3166 Remove note on size/offset limitation.
3167 (AVR Variable Attributes): Add example how to read data located
3168 with progmem. Refer to named address spaces.
3169 * doc/invoke.texi (AVR Options): Fix typo.
3171 2012-01-24 Richard Guenther <rguenther@suse.de>
3173 Forward-port to trunk
3174 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3177 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3178 op0 isn't sufficiently aligned and there is movmisalignM
3179 insn for mode, use it to load op0 into a temporary register.
3181 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3184 * target.def (const_not_ok_for_debug_p): New hook.
3185 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3187 * doc/tm.texi: Regenerated.
3188 * dwarf2out.c (const_ok_for_output_1): If
3189 targetm.const_not_ok_for_debug_p returns true, fail.
3190 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3192 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3194 2012-01-23 Kai Tietz <ktietz@redhat.com>
3197 * config/i386/predicates.md (symbolic_operand): Allow
3198 UNSPEC_PCREL as PIC expression for lea.
3199 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3200 * config/i386/i386.c (ix86_delegitimize_address): Handle
3201 UNSPEC_PCREL for none-MEM, too.
3203 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3205 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3206 (ipa_tm_create_version_alias): Same.
3208 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3211 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3212 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3214 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3215 Patrick Marlier <patrick.marlier@gmail.com>
3216 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3219 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3220 simple_object_start_read.
3222 2012-01-23 Richard Guenther <rguenther@suse.de>
3225 PR tree-optimization/51895
3226 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3227 parameter decomposition into BLKmode components.
3229 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3231 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3232 fake variables for restrict-qualified pointers whose pointed-to type
3233 contains a placeholder.
3235 2012-01-23 Richard Guenther <rguenther@suse.de>
3237 PR tree-optimization/51949
3238 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3240 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3242 PR rtl-optimization/51933
3243 * ree.c (transform_ifelse): Return true right away if dstreg is
3244 already wider or equal to cand->mode.
3245 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3246 (make_defs_and_copies_lists): Remove defs_list and copies_list
3247 arguments, add state argument, just truncate state->work_list
3248 instead of always allocating and freeing the vector. Assert that
3249 get_defs succeeds instead of returning 2. Changed return type to bool.
3250 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3251 have ext_src_mode, see if it has been modified already with the
3252 right kind of extension and has been extended before from the
3253 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3254 just return true. Remember the original mode in state->modified array.
3255 (combine_reaching_defs): Add state argument. Don't allocate and
3256 free here def_list, copied_list and vec vectors, instead just
3257 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3258 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3259 Add state variable, clear vectors in it, initialize state.modified
3260 if needed. Free all the vectors at the end and state.modified too.
3261 Don't skip a candidate if the extension expression has been modified.
3263 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3266 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3267 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3268 (extra_options) interix.opt -> i386/interix.opt"
3269 (extra_objs):Add winnt-stubs.o
3270 * configure.ac: Add interix to target_os .comm on PE check.
3271 * configure: Regenerate.
3272 * config/interix3.h: Delete and move bits to..
3273 * config/interix.h: Delete and move bits to..
3274 * config/i386/i386-interix3.h: Delete and move bits to..
3275 * config/i386/i386-interix.h: ..here.
3276 (TARGET_CPU_DEFAULT): Remove redefinition.
3277 (TARGET_ASM_CONSTRUCTOR): Undefine.
3278 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3279 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3280 (PTRDIFF_TYPE): Define.
3281 (LONG_DOUBLE_TYPE_SIZE): Define.
3282 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3283 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3284 (TARGET_SECTION_TYPE_FLAGS): Define.
3285 (ASM_DECLARE_FUNCTION_NAME): Define.
3286 (ASM_OUTPUT_EXTERNAL): Define.
3287 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3288 (ASM_OUTPUT_ALIGNED_BSS): Define.
3289 (PCC_BITFIELD_TYPE_MATTERS): Define.
3290 (USE_CONST_SECTION): Define.
3291 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3292 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3293 (SUPPORTS_ONE_ONLY): Remove.
3294 (I386_PE_STRIP_ENCODING): Define.
3295 * config/interix.opt: Delete and move bits to..
3296 * config/i386/interix.opt: ..here. New.
3297 (mpe-aligned-commons): Add.
3298 * config/i386/t-interix: Add copyright header.
3299 (winnt-stubs.o): Add rule.
3301 2012-01-22 Jason Merrill <jason@redhat.com>
3304 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3305 for extra name aliases.
3307 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3309 PR rtl-optimization/51924
3310 * ree.c (combine_set_extension): Improve debugging message.
3311 (combine_reaching_defs): Likewise.
3312 (get_defs): Rename confusingly named variable.
3313 (find_and_remove_re): Skip a candidate if the extension expression has
3316 2012-01-21 Robert Millan <rmh@gnu.org>
3317 Gerald Pfeifer <gerald@pfeifer.com>
3319 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3320 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3322 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3324 PR tree-optimization/51914
3325 * tree-vect-stmts.c (vectorizable_conversion): For
3326 cvt_type && modifier == WIDEN, put temporary with cvt_type
3327 at the beginning of vec_dsts and set vec_dest to temporary
3330 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3332 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3334 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3336 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3337 * config/rs6000/rs6000.c: Likewise.
3339 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3342 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3343 output_move_double on a copy of operands array.
3345 2012-01-20 Cary Coutant <ccoutant@google.com>
3346 Dodji Seketeli <dodji@redhat.com>
3349 * dwarf2out.c (copy_declaration_context): Return ref to parent
3350 of declaration DIE, if necessary.
3351 (remove_child_or_replace_with_skeleton): Add new parameter; update
3352 caller. Place skeleton DIE under parent DIE of original declaration.
3353 Move call to copy_declaration_context to here ...
3354 (break_out_comdat_types): ... from here.
3356 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3358 PR rtl-optimization/51856
3359 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3362 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3365 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3366 hints for neon loads and stores.
3368 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3372 * doc/extend.texi (Named Address Spaces): Split into subsections.
3373 (AVR Named Address Spaces): New subsection.
3374 (M32C Named Address Spaces): New subsection.
3375 (RL78 Named Address Spaces): New subsection.
3376 (SPU Named Address Spaces): New subsection.
3377 (Variable Attributes): New anchor "AVR Variable Attributes".
3378 (AVR Variable Attributes): Rewrite and avoid wording
3379 "address space" in this context.
3380 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3381 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3382 (AVR Built-in Macros): New subsubsection therein.
3383 * doc/md.texi (AVR constraints): Remove "C04", "R".
3385 2012-01-20 Richard Guenther <rguenther@suse.de>
3387 PR tree-optimization/51903
3388 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3389 when removing stmts.
3391 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3394 * config/arm/arm.c (arm_load_pic_register): Use
3395 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3396 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3397 (arm_pic_static_addr): Likewise.
3398 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3399 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3400 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3401 (pic_load_addr_unified): New.
3403 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3406 * function.c (instantiate_virtual_regs_in_insn): Use
3407 delete_insn_and_edges when removing a wrong asm insn.
3409 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3411 PR rtl-optimization/40761
3412 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3413 Add new member loop_num.
3414 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3415 (ira_build): Remove the parameter.
3417 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3418 (ira.c): Do not build CFG loops for one region allocation. Remove
3419 argument from ira_build call.
3421 * ira-build.c (init_loop_tree_node): New function.
3422 (create_loop_tree_nodes): Use it. Separate the case when CFG
3423 loops are not built.
3424 (more_one_region_p): Check current_loops.
3425 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3427 (add_loop_to_tree): Process loop equal to NULL too.
3428 (form_loop_tree): Separate the case when CFG loops are not built.
3429 Use explicitly number for the root.
3430 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3432 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3433 instead of loop->num.
3434 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3435 (mark_all_loops_for_removal): Ditto.
3436 (remove_unnecessary_regions): Separate the case when CFG loops
3438 (ira_build): Remove the parameter. Use explicit number of regions
3439 when CFG loops are not built.
3441 * ira-color.c (print_loop_title): Separate the case for the root node.
3442 Use loop_num instead of loop->num.
3443 (move_spill_restore): Use loop_num instead of loop->num.
3445 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3446 (change_loop): Ditto.
3447 (change_loop): Use loop_num instead of loop->num.
3449 * ira-lives.c (process_bb_node_lives): Ditto.
3451 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3453 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3455 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3458 * tree-mudflap.c (mf_artificial): New function.
3459 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3460 mx_register_decls, mudflap_enqueue_decl): Use it.
3463 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3464 numbers in the insn pattern.
3466 2012-01-19 Michael Matz <matz@suse.de>
3468 PR tree-optimization/46590
3469 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3470 use it in remembering which conflicts we already created.
3471 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3474 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3477 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3478 (merge_and_complain): Same.
3480 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3483 * config/initfini-array.h: Guard content of the header
3484 with #ifdef HAVE_INITFINI_ARRAY.
3485 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3486 Add initfini-array.h to tm_file here.
3487 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3488 * config.gcc: Don't add initfini-array.h to tm_file here.
3489 * configure: Regenerated.
3491 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3493 PR rtl-optimization/51505
3494 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3495 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3496 (df_note_bb_compute): Update the call to df_kill_notes.
3498 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3500 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3502 2012-01-18 Richard Guenther <rguenther@suse.de>
3504 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3505 of conversions to void *.
3507 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3508 Richard Sandiford <rdsandiford@googlemail.com>
3512 * optabs.h (simplify_expand_binop): Declare.
3513 * optabs.c (simplify_expand_binop): Make global.
3514 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3515 endian targets if the source cannot be exactly covered by word
3518 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3521 * hard-reg-set.h (struct hard_reg_set_container): New type.
3522 * target.h (struct hard_reg_set_container): Forward declare.
3523 * target.def (set_up_by_prologue): New target hook.
3524 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3525 * doc/tm.texi: Regenerated.
3526 * function.c (thread_prologue_and_epilogue_insns): Change
3527 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3528 Call targetm.set_up_by_prologue on it.
3529 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3530 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3532 2012-01-17 Nick Clifton <nickc@redhat.com>
3534 * config/rx/rx.c (rx_can_use_simple_return): New function.
3535 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3536 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3538 2012-01-17 Richard Guenther <rguenther@suse.de>
3541 * expr.c (expand_assignment): Take address-space information
3542 from the address operand of MEM_REF and TARGET_MEM_REF.
3543 (expand_expr_real_1): Likewise.
3545 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3547 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3548 reload dump is requested.
3550 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3553 * trans-mem.c (requires_barrier): Call may_be_aliased.
3555 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3557 PR tree-optimization/51877
3558 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3559 call arguments and fndecls compare equal, instead return false if they
3560 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3561 both SSA_NAMEs that are valueized the same, or they satisfy
3564 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3566 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3568 * configure: Regenerate.
3570 2012-01-16 Jan Hubicka <jh@suse.cz>
3574 * convert.c (convert_to_integer): Use fold_convert for
3575 converting an INTEGER_CST to integer type.
3577 2012-01-16 Jason Merrill <jason@redhat.com>
3580 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3582 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3585 * config/s390/s390.c (s390_chunkify_start): Don't skip
3586 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3587 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3588 If insn is followed by NOTE_INSN_VAR_LOCATION or
3589 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3590 Don't use location of note insns.
3592 PR tree-optimization/51865
3593 * tree-inline.c (tree_function_versioning): Call remap_decl
3594 on DECL_RESULT whenever it has VOID_TYPE_P type.
3596 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3598 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3599 for calls to locally-binding MIPS16 functions if only the return
3600 type uses float regs.
3602 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3603 Richard Sandiford <rdsandiford@googlemail.com>
3605 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3606 (SYMBOL_32_HIGH): Likewise.
3607 (mips_output_tls_reloc_directive): Declare.
3608 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3609 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3610 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3611 (mips_lo_relocs, mips_hi_relocs): Make extern.
3612 (mips16_stub_function): Move up file.
3613 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3614 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3615 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3616 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3617 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3618 (mips_get_tp): Add MIPS16 support.
3619 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3620 Generalize DTPREL and TPREL handling.
3621 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3622 Add MIPS16 TLS support.
3623 (mips_output_tls_reloc_directive): New function.
3624 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3625 * config/mips/predicates.md (symbolic_operand_with_high)
3626 (tls_reloc_operand): New predicates.
3627 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3628 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3629 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3630 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3631 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3632 (*tls_get_tp_mips16_call_<mode>): Likewise.
3634 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3636 PR rtl-optimization/51821
3637 * recog.c (peep2_find_free_register): Determine clobbered registers
3640 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3643 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3644 * config/avr/avr.c: Likewise.
3645 * config/avr/avr.h: Likewise.
3647 2012-01-13 Ian Lance Taylor <iant@google.com>
3650 * tree.h (TYPE_QUALS): Add cast to int.
3651 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3653 2012-01-13 Ian Lance Taylor <iant@google.com>
3655 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3656 comparing param_index to VEC_length result.
3658 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3660 * c-decl.c: Do not include tree-mudflap.h
3661 * tree-optimize.c: Likewise.
3662 * Makefile.in: Update dependencies.
3664 2012-01-13 Richard Guenther <rguenther@suse.de>
3667 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3668 variable-sized result always use RSO.
3670 2012-01-12 DJ Delorie <dj@redhat.com>
3672 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3673 pointer type, not just the default pointer type.
3675 2012-01-09 Richard Henderson <rth@redhat.com>
3676 Denis Chertykov <chertykov@gmail.com>
3679 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3680 * config/avr/avr.c (avr_can_eliminate): Simplify.
3681 (avr_initial_elimination_offset): Likewise.
3682 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3683 (expand_epilogue): Likewise.
3684 (avr_legitimize_address): Gut.
3685 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3686 (avr_hard_regno_nregs): New.
3687 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3688 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3689 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3690 add soft frame pointer.
3691 (CALL_USED_REGISTERS): Likewise.
3692 (REG_CLASS_CONTENTS): Likewise.
3693 (REGISTER_NAMES): Likewise.
3694 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3695 (HARD_FRAME_POINTER_REGNUM): New.
3696 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3697 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3698 remove the HARD_FRAME_POINTER self-elimination.
3700 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3703 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3704 DECL_EXTERNAL when checking for initializers of progmem variables.
3706 2012-01-12 Ira Rosen <irar@il.ibm.com>
3708 PR tree-optimization/51799
3709 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3710 that the last operation is a type demotion.
3712 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3714 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3715 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3717 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3720 * combine.c (distribute_notes): If i3 is a noreturn call,
3721 allow old_size to be equal to args_size and make sure the
3722 noreturn call gets REG_ARGS_SIZE note.
3723 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3724 on noreturn calls even when the delta is 0.
3726 2012-01-11 Nathan Sidwell <nathan@acm.org>
3728 * gcov.c (STRING_SIZE): Remove.
3729 (generate_results): Erase annotations for source files with no
3730 coverage information.
3732 (output_lines): Use it.
3734 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3736 * gimple.h (gimplify_body): Remove first argument.
3737 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3738 pointer set here, instead just pass DATA to walk_tree.
3739 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3740 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3741 (unvisit_body): Likewise, but with unmark_visited.
3742 (gimplify_body): Remove BODY_P argument and adjust.
3743 (gimplify_function_tree): Adjust call to gimplify_body.
3744 * omp-low.c (finalize_task_copyfn): Likewise.
3746 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3748 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3749 (build_function_type_skip_args): Delete.
3750 * tree.c (build_function_type_skip_args): Make static and add
3751 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3752 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3753 pass it to build_function_type_skip_args.
3754 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3755 (tree_function_versioning): Likewise.
3756 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3757 build_function_decl_skip_args.
3758 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3759 and pass it to build_function_decl_skip_args/tree_function_versioning.
3760 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3761 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3762 * trans-mem.c (ipa_tm_create_version): Likewise.
3763 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3764 * tree-inline.c (declare_return_variable): Remove always-true test.
3765 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3766 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3767 * ipa-split.c (split_function): Skip the return value for the split
3768 part if it doesn't return.
3770 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3772 PR tree-optimization/49642
3773 * ipa-split.c (forbidden_dominators): New variable.
3774 (check_forbidden_calls): New function.
3775 (dominated_by_forbidden): Likewise.
3776 (consider_split): Check for forbidden dominators.
3777 (execute_split_functions): Initialize and free forbidden
3778 dominators info; call check_forbidden_calls.
3780 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3782 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3784 2012-01-11 Nick Clifton <nickc@redhat.com>
3786 * config/rx/rx.md (return): Define pattern.
3788 2012-01-11 Richard Guenther <rguenther@suse.de>
3790 * doc/extend.texi (malloc attribute): Adjust according to
3793 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3794 Patrick Marlier <patrick.marlier@gmail.com>
3797 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3798 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3799 (ipa_tm_note_irrevocable): Same.
3800 (ipa_tm_scan_irr_block): Same.
3801 (ipa_tm_decrement_clone_counts): Same.
3802 (ipa_tm_scan_irr_function): Same.
3803 (ipa_tm_create_version_alias): Same.
3804 (ipa_tm_create_version): Same.
3805 (ipa_tm_transform_calls_redirect): Same.
3806 (ipa_tm_transform_calls): Same.
3807 (ipa_tm_transform_transaction): Same.
3808 (ipa_tm_execute): Same.
3810 2012-01-10 Richard Guenther <rguenther@suse.de>
3813 * opts.c (common_handle_option): Handle -Werror.
3815 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3817 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3820 2012-01-10 Jason Merrill <jason@redhat.com>
3822 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3825 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3827 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3828 supports R_386_TLS_GD_PLT reloc.
3829 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3830 supports R_386_TLS_LDM_PLT reloc.
3831 * configure: Regenerate.
3832 * config.in: Regenerate.
3834 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3837 Extend __pgmx semantics to linearize memory.
3838 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3839 determine if code comes inline or from libgcc.
3840 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3841 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3842 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3843 (movmemx_qi, movmemx_hi): New insns.
3844 (xload_<mode>_libgcc): Rewrite to new insn condition.
3845 (xload_<mode>): Remove insns.
3846 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3847 cases that don't satisfy avr_xload_libgcc_p().
3848 (avr_addr_space_convert): Allow converting in any direction.
3849 (avr_addr_space_subset_p): Return always true.
3850 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3851 (avr_emit_movmemhi): Ditto.
3852 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3853 (avr_out_movmem): Ditto.
3854 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3855 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3856 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3857 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3858 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3860 2012-01-10 Richard Guenther <rguenther@suse.de>
3862 PR tree-optimization/50913
3863 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3864 Require data-refs to be representable by Graphite with respect
3867 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3869 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3870 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3872 2012-01-10 Tom de Vries <tom@codesourcery.com>
3874 PR rtl-optimization/51271
3875 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3876 handling annulled branch.
3878 2012-01-10 Richard Henderson <rth@redhat.com>
3880 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3881 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3882 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3883 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3884 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3885 arm_expand_vec_perm_const): New.
3886 * config/arm/arm-protos.h: Update.
3887 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3888 (*neon_vswp<VDQX>): New.
3889 (neon_vcombine<VDX>): Use neon_split_vcombine.
3890 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3891 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3892 (vec_perm<VE>): New.
3894 2012-01-10 Richard Henderson <rth@redhat.com>
3896 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3897 use it if reload_completed.
3898 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3899 arm_output_asm_insn, arm_process_output_memory_barrier,
3900 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3901 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3902 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3903 arm_process_output_sync_insn, arm_output_sync_insn,
3904 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3905 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3906 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3907 (emit_unlikely_jump): New.
3908 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3909 (arm_split_atomic_op): New.
3910 * config/arm/arm-protos.h: Update.
3911 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3912 (struct arm_sync_generator): Remove.
3913 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3914 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3915 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3916 (VUNSPEC_LL, VUNSPEC_SC): New.
3917 (sync_result, sync_memory, sync_required_value, sync_new_value,
3918 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3919 (attr length): Don't use arm_sync_loop_insns.
3920 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3921 (movsfcc, movdfcc): Likewise.
3922 * config/arm/constraints.md (Ua): New.
3923 * config/arm/prediates.md (mem_noofs_operand): New.
3924 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3925 (sync_clobber, sync_t2_reqd): Remove.
3926 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3927 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3928 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3929 (arm_sync_compare_and_swap<SIDI>): Remove.
3930 (arm_sync_compare_and_swap<NARROW>): Remove.
3931 (arm_sync_lock_test_and_set<SIDI>): Remove.
3932 (arm_sync_lock_test_and_set<NARROW>): Remove.
3933 (arm_sync_new_<syncop><SIDI>): Remove.
3934 (arm_sync_new_<syncop><NARROW>): Remove.
3935 (arm_sync_new_nand<SIDI>): Remove.
3936 (arm_sync_new_nand<NARROW>): Remove.
3937 (arm_sync_old_<syncop><SIDI>): Remove.
3938 (arm_sync_old_<syncop><NARROW>): Remove.
3939 (arm_sync_old_nand<SIDI>): Remove.
3940 (arm_sync_old_nand<NARROW>): Remove.
3941 (*memory_barrier): Merge arm_output_memory_barrier.
3942 (atomic_compare_and_swap<QHSD>): New.
3943 (atomic_compare_and_swap<NARROW>_1): New.
3944 (atomic_compare_and_swap<SIDI>_1): New.
3945 (atomic_exchange<QHSD>): New.
3946 (cas_cmp_operand, cas_cmp_str): New.
3947 (atomic_op_operand, atomic_op_str): New.
3948 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3949 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3950 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3951 (arm_load_exclusive<NARROW>): New.
3952 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3953 (arm_store_exclusive<QHSD>): New.
3955 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3957 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3958 reload patterns if -mvsx-scalar-memory.
3960 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3961 generated, even -mno-vsx-scalar-double was used.
3962 (vsx_xscvdpsp_scalar): Likewise.
3963 (vsx_xscvspdp_scalar2): Likewise.
3965 2012-01-09 Tom de Vries <tom@codesourcery.com>
3966 Andrew Pinski <apinski@cavium.com>
3969 * reorg.c (fill_slots_from_thread): Don't speculate
3970 frame-related insns.
3972 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3974 * sched-int.h (bb_note): Move to...
3975 * basic-block.h: ...here.
3976 * haifa-sched.c (bb_note): Move to...
3977 * cfgrtl.c: ...here.
3978 * function.c (next_block_for_reg): New function.
3979 (move_insn_for_shrink_wrap): Likewise.
3980 (prepare_shrink_wrap): Rewrite to use the above.
3982 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3984 * gimple.c (is_gimple_non_addressable): Remove.
3985 * gimple.h: Remove is_gimple_non_addressable.
3986 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3987 is_gimple_non_addressable.
3988 * trans-mem.c (expand_assign_tm): Same.
3990 2012-01-09 Richard Guenther <rguenther@suse.de>
3992 PR tree-optimization/51775
3993 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3994 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3996 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3998 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4000 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4002 2012-01-09 Richard Guenther <rguenther@suse.de>
4004 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4006 2012-01-08 Jan Hubicka <jh@suse.cz>
4008 PR tree-optimize/51680
4009 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4010 on when known_vals needs to be computed; cleanup.
4012 2012-01-08 Jan Hubicka <jh@suse.cz>
4014 PR tree-optimize/51694
4015 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4017 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4019 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4020 for -std=c++98 and -std=c++11 too.
4022 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4024 * cfgloop.c (cancel_loop): Add free() of bbs array.
4026 2012-01-07 Jan Hubicka <jh@suse.cz>
4028 PR tree-optimization/51600
4029 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4030 that benefits small functions.
4032 2012-01-07 Jan Hubicka <jh@suse.cz>
4034 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4036 2012-01-07 Jan Hubicka <jh@suse.cz>
4038 PR tree-optimization/51680
4039 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4040 whose inlining reduce unit size.
4042 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4045 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4046 Add canonical node to containing_mem chain after the non-canonical
4047 one, even if there weren't any locs to propagate.
4048 (remove_useless_values): Keep only canonical values.
4049 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4050 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4051 canonicalize mem_chain elements that are not discarded.
4053 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4056 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4057 before emitting functions.
4059 PR gcov-profile/50127
4060 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4061 clear_aux_for_blocks.
4063 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4066 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4068 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4070 * c-decl.c (ext_block): Moved up.
4071 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4073 2012-01-06 Han Shen <shenhan@google.com>
4075 Translate built-in include paths for sysroot.
4076 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4077 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4079 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4080 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4082 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4083 control whether sysroot should be prepended to gxx include dir.
4085 * configure: Regenerate.
4087 2012-01-06 Torvald Riegel <triegel@redhat.com>
4089 PR rtl-optimization/51771
4090 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4091 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4093 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4095 PR tree-optimization/51315
4096 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4097 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4099 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4102 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4103 for shrp pattern. Correctly handle and fixup shift variable.
4104 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4106 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4109 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4110 note when !ACCUMULATE_OUTGOING_ARGS.
4112 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4114 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4116 (extract_range_from_unary_expr_1): Avoid useless computations.
4118 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4120 PR rtl-optimization/51767
4121 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4122 of jump_block and add an extra edge for degenerated asm gotos.
4125 * stmt.c (check_unique_operand_names): Don't ICE during error
4126 reporting if i is from labels chain.
4129 * profile.c (branch_prob): Split bbs that have exit edge
4130 and need a fake entry edge too.
4132 2012-01-05 Jan Hubicka <jh@suse.cz>
4135 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4138 2012-01-05 Richard Guenther <rguenther@suse.de>
4141 * tree-streamer-out.c (write_ts_optimization): New function.
4142 (streamer_write_tree_body): Call it.
4143 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4144 (streamer_read_tree_body): Call it.
4145 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4147 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4150 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4151 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4152 in_cleanup_point_expr before gimplify_stmt call and restore it
4154 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4155 in_cleanup_point_expr is false.
4157 2012-01-05 Richard Guenther <rguenther@suse.de>
4160 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4162 * toplev.c (process_options): Reject combining mudflap and LTO.
4163 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4165 2012-01-05 Richard Guenther <rguenther@suse.de>
4167 PR tree-optimization/51760
4168 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4170 (bit_value_unop): Handle UNDEFINED operands.
4171 (bit_value_binop): Likewise.
4173 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4175 * config/avr/avr.c (avr_replace_prefix): Remove.
4176 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4177 (avr_asm_function_rodata_section): Ditto.
4178 (avr_asm_select_section): Ditto.
4180 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4182 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4185 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4188 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4189 calls that have any non-fake successor edges.
4192 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4194 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4196 PR tree-optimization/51624
4197 * tree-sra.c (build_ref_for_model): When replicating a chain of
4198 COMPONENT_REFs, stop as soon as the offset would become negative.
4200 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4203 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4204 in .debug_loc on the floor.
4206 2012-01-04 Andrew Pinski <apinski@cavium.com>
4208 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4210 2012-01-04 Andrew Pinski <apinski@cavium.com>
4211 Adam Nemet <anemet@caviumnetworks.com>
4213 * config/mips/mips.md (size): Add SI and DI.
4214 (SIZE): New mode attribute.
4215 (U): New code attribute.
4216 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4217 (mips_lbux_<mode>): Delete.
4218 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4219 (mips_lhx): Use gen_mips_lhx_extsi.
4220 (mips_lhx_<mode>): Delete.
4222 (mips_l<size>x): New expand.
4223 (mips_lwx_<mode>): Delete.
4224 (mips_l<GPR:size>x_<P:mode>): New pattern.
4225 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4226 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4227 * config/mips/mips.c (mips_lx_address_p): New function.
4228 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4229 (dsp64): New availability predicate.
4230 (mips_builtins): Add an entry for __builtin_mips_ldx.
4231 * config/mips/mips.h (ISA_HAS_LBX): New define.
4232 (ISA_HAS_LBUX): Likewise.
4233 (ISA_HAS_LHX): Likewise.
4234 (ISA_HAS_LHUX): Likewise.
4235 (ISA_HAS_LWX): Likewise.
4236 (ISA_HAS_LWUX): Likewise.
4237 (ISA_HAS_LDX): Likewise.
4238 * doc/extend.texi (__builtin_mips_ldx): Document.
4240 2012-01-04 Tristan Gingold <gingold@adacore.com>
4242 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4243 when long pointers are used.
4244 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4245 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4246 (ia64-hp-*vms*): Remove.
4247 * config/vms/xm-vms64.h: Delete.
4249 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4252 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4254 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4256 * opts.c (finish_options): Remove duplicate sorry.
4258 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4261 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4264 2012-01-04 Richard Guenther <rguenther@suse.de>
4267 * tree.c (size_low_cst): New function.
4268 * tree.h (size_low_cst): Declare.
4269 * fold-const.c (fold_comparison): Use it to extract the low
4270 part of the POINTER_PLUS_EXPR offset.
4272 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4274 Fix clearing ZERO_REG
4275 * config/avr/avr.md (cc): Add alternative "ldi".
4276 (movqi_insn): Use it in cc attribute.
4277 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4278 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4279 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4281 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4283 * configure: Regenerate.
4285 2012-01-04 Richard Guenther <rguenther@suse.de>
4287 PR tree-optimization/49651
4288 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4289 (var_can_have_subvars): Use it.
4290 (get_constraint_for_1): Only consider subfields if there can be any.
4292 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4295 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4296 to its new canonical_cselib_val and the cselib_val was in
4297 first_containing_mem chain, but the canonical_cselib_val was not,
4298 add the latter into the chain.
4299 (cselib_invalidate_mem): Compare canonical_cselib_val of
4300 addr_list chain elt with v.
4303 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4304 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4306 (output_macinfo_op): Don't ggc_strdup fd->filename.
4307 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4308 then ggc_strdup it. Don't free inc->info or cur->info.
4309 (output_macinfo): Don't free ref->info or file->info.
4311 2012-01-03 Ira Rosen <irar@il.ibm.com>
4313 PR tree-optimization/51269
4314 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4315 first_niters a pointer.
4316 (slpeel_tree_peel_loop_to_edge): Likewise.
4317 (vect_do_peeling_for_loop_bound): Update call to
4318 slpeel_tree_peel_loop_to_edge.
4319 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4320 here. Remove it from the parameters list.
4321 (vect_do_peeling_for_alignment): Update calls and compute
4324 2012-01-03 Richard Guenther <rguenther@suse.de>
4326 PR tree-optimization/51070
4327 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4328 Properly handle calls.
4330 2012-01-03 Richard Guenther <rguenther@suse.de>
4332 PR tree-optimization/51692
4333 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4334 the LHS of allocation stmts.
4336 2012-01-03 Olivier Hainque <hainque@adacore.com>
4338 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4340 2012-01-03 Olivier Hainque <hainque@adacore.com>
4342 * collect2.c (main): In AIX specific computations for vector
4343 insertions, use CONST_CAST2 to cast from char ** to const char **.
4345 2012-01-03 Richard Guenther <rguenther@suse.de>
4348 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4349 the context of a limbo DIE when it does not already exist.
4351 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4353 PR tree-optimization/51719
4354 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4355 but direct call is, clear direct call's lhs and don't add fallthrough
4356 edge from dcall_bb to join_bb and PHIs.
4358 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4360 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4361 the instructions emitted by the pattern.
4362 ("*TDC_insn_<mode>"): Add comment.
4364 2012-01-03 Richard Guenther <rguenther@suse.de>
4367 * fold-const.c (fold_comparison): Properly canonicalize
4368 tree offset and HOST_WIDE_INT bit position.
4370 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4372 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4373 operands for extzv pattern.
4375 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4378 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4381 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4383 * doc/invoke.texi (-flto and related options): Copy-edit.
4385 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4387 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4389 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4391 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4394 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4396 * expr.h (move_by_pieces_ninsns): Declare.
4397 * expr.c (move_by_pieces_ninsns): Make external.
4398 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4399 (mips_store_by_pieces_p): Likewise.
4400 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4401 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4402 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4403 (mips_store_by_pieces_p): Likewise.
4405 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4407 * passes.c (register_one_dump_file): Free full_name.
4409 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4410 (calculate_elim_costs_all_insns): Free offsets_at and
4411 offsets_known_at at the end and clear the pointers.
4413 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4415 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4416 this option introduced in r180739.
4418 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4421 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4422 (tmake_file target=avr): Add avr/t-multilib.
4424 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4425 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4426 * config/avr/genmultilib.awk: New file.
4427 * config/avr/t-multilib: New auto-generated file.
4428 * config/avr/multilib.h: New auto-generated file.
4429 * config/avr/t-avr (AVR_MCUS): New variable.
4430 (genopt.sh): Use it.
4431 (s-mlib): Depend on t-multilib.
4432 (t-multilib, multilib.h): New dependencies.
4433 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4434 (MULTILIB_OPTIONS): Remove.
4435 (MULTILIB_MATCHES): Remove.
4436 (MULTILIB_DIRNAMES): Remove.
4437 (MULTILIB_EXCEPTIONS): Remove:
4438 * config/avr/genopt.sh: Don't use hard coded file name;
4439 pass AVR_MCUS from t-avr instead.
4441 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4443 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4445 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4447 Implement light-weight DImode support.
4448 * config/avr/avr-dimode.md: New file.
4449 * config/avr/avr.md: Include it.
4450 (adjust_len): Add plus64, compare64.
4451 (HIDI): Remove code iterator.
4452 (code_stdname): New code attribute.
4453 (rotx, rotsmode): Remove DI.
4454 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4456 * config/avr/avr-protos.h (avr_have_dimode): New.
4457 (avr_out_plus64, avr_out_compare64): New.
4458 * config/avr/avr.c (avr_out_compare): Handle DImode.
4459 (avr_have_dimode): New variable definition and initialization.
4460 (avr_out_compare64, avr_out_plus64): New functions.
4461 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4462 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4463 (avr_compare_pattern): Skip DImode comparisons.
4465 2012-01-02 Revital Eres <revital.eres@linaro.org>
4467 * ddg.c (def_has_ccmode_p): New function.
4468 (add_cross_iteration_register_deps,
4469 create_ddg_dep_from_intra_loop_link): Call it.
4471 2012-01-02 Richard Guenther <rguenther@suse.de>
4474 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4476 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4478 * gcc.c (process_command): Update copyright notice dates.
4479 * gcov.c (print_version): Likewise.
4480 * gcov-dump.c (print_version): Likewise.
4481 * mips-tfile.c (main): Likewise.
4482 * mips-tdump.c (main): Likewise.
4484 2012-01-01 Ira Rosen <irar@il.ibm.com>
4486 PR tree-optimization/51704
4487 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4488 a use is inside the basic block or loop before accessing its vect info.
4490 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4492 PR rtl-optimization/51069
4493 * cfgloopmanip.c (remove_path): Removing path making irreducible
4494 region unconditional makes BB part of the region.
4496 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4498 PR tree-optimization/51683
4499 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4500 calls with side-effects.
4501 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4503 Copyright (C) 2012 Free Software Foundation, Inc.
4505 Copying and distribution of this file, with or without modification,
4506 are permitted in any medium without royalty provided the copyright
4507 notice and this notice are preserved.