1 2012-05-21 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/53436
4 * omp-low.c (omp_build_component_ref): New function.
5 (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
7 PR tree-optimization/53366
8 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
9 tests if complex_numbers == 2, but there are non-complex number loads
12 PR tree-optimization/53409
13 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
14 vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
16 PR tree-optimization/53410
17 * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
18 instead of build_int_cst (type, 0) where vector types might be
21 2012-05-21 Joseph Myers <joseph@codesourcery.com>
24 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
25 from folded operands before wrapping another around the
26 conditional expression.
28 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
29 Patrick Marlier <patrick.marlier@gmail.com>
31 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
34 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
36 Backport from mainline
37 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
40 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
41 (UNSPECV_RDRAND): This.
42 (rdrand<mode>_1): Updated.
44 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
46 Backport from mainline
47 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
49 * config/i386/driver-i386.c (host_detect_local_cpu): Support
50 RDRND, F16C and FSGSBASE.
52 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
54 Backport from mainline
55 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
57 * tree-ssa-pre.c (can_value_number_call): Delete.
58 (compute_avail): Skip all statements with side effects.
59 <GIMPLE_CALL>: Skip calls to internal functions.
61 2012-05-18 David S. Miller <davem@davemloft.net>
63 Backport r185385 from mainline
64 2012-03-14 Richard Guenther <rguenther@suse.de>
67 * tree-vect-generic.c (type_for_widest_vector_mode): Take
68 element type instead of mode, use build_vector_type_for_mode
69 instead of the langhook, build a vector of proper signedness.
70 (expand_vector_operations_1): Adjust.
72 2012-05-18 Olivier Hainque <hainque@adacore.com>
74 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
75 $(libsubdir) as libexecsubdir.
77 2012-05-16 Andrew Pinski <apinski@cavium.com>
79 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
82 2012-05-16 David S. Miller <davem@davemloft.net>
84 * jump.c (delete_related_insns): If we remove a CALL, make sure
85 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
87 2012-05-16 Richard Henderson <rth@redhat.com>
90 * combine-stack-adj.c (prev_active_insn_bb): New.
91 (next_active_insn_bb): New.
92 (force_move_args_size_note): New.
93 (combine_stack_adjustments_for_block): Use it.
95 2012-05-16 Olivier Hainque <hainque@adacore.com>
97 * Makefile.in (install-no-fixedincludes): New target, former toplevel
98 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
99 Add comments and improve stamp preservation across the whole sequence.
100 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
102 2012-05-16 Richard Guenther <rguenther@suse.de>
104 PR tree-optimization/53364
105 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
106 detect a view-conversion of the decl.
108 2012-05-15 Jakub Jelinek <jakub@redhat.com>
111 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
112 that operands[2] is either immediate, or q_regs_operand.
114 2012-05-15 Bin Cheng <bin.cheng@arm.com>
116 Backport r187139 from mainline.
117 2012-05-04 Bin Cheng <bin.cheng@arm.com>
119 PR rtl-optimization/52804
120 * reload1.c (reload_reg_reaches_end_p): Check whether successor
121 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
122 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
123 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
124 RELOAD_FOR_OUTADDR_ADDRESS.
126 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
129 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
130 generate target register for "load" class builtins.
133 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
136 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
137 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
138 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
139 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
140 (<sse>_movu<ssemodesuffix>): New expander.
141 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
142 (avx_movdqu<avxmodesuffix>): New expander.
143 (*sse2_movdqu): Rename from sse2_movdqu.
144 (sse2_movdqu): New expander.
146 2012-05-14 Jakub Jelinek <jakub@redhat.com>
148 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
149 lineno 1 the same as lineno 0 before first start file directive.
150 (optimize_macinfo_range): Likewise.
152 * dwarf2out.c (have_macinfo): Define.
153 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
154 attribute, don't force empty compilation unit and don't emit any
155 .debug_macinfo/.debug_macro section if macinfo_table is empty.
157 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
159 Backport from mainline
160 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
162 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
163 ORDERED and UNORDERED conditions.
165 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
167 * function.c (requires_stack_frame_p): If the function can throw
168 non-call exceptions, return true if the insn can throw internally.
170 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
172 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
173 DECL_ORIGINAL_TYPE if it is present.
175 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
177 Backport from 2012-05-12 mainline r187342.
180 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
181 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
182 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
183 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
184 (expand_prologue): Move initialization of cfun->machine->is_naked,
185 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
186 (avr_set_current_function): ...this new static function.
187 (TARGET_SET_CURRENT_FUNCTION): New define.
188 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
189 checking attributes of current_function_decl.
190 (avr_regs_to_save): Ditto.
191 (signal_function_p): Rename to avr_signal_function_p.
192 (interrupt_function_p): Rename to avr_interrupt_function_p.
194 * doc/extend.texi (Function Attributes): Better explanation of
195 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
198 2012-05-09 Matthias Klose <doko@ubuntu.com>
200 * gcc-ar.c (main): Don't check for execute bits for the plugin.
202 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
205 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
206 when a constant source operand matches an "I" constraint, the "no
207 CC0 change" applies to a register-destination only, not a
208 strict_low_part-destination.
210 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
212 Backport from mainline:
213 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
215 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
217 2012-05-07 Jakub Jelinek <jakub@redhat.com>
219 PR tree-optimization/53239
220 * tree-vrp.c (get_value_range): Set VR of
221 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
224 2012-05-07 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/53195
227 * tree-inline.c (setup_one_parameter): Properly add referenced
228 vars from the parameters new known value.
230 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
232 Backport from mainline:
233 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
236 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
239 2012-05-04 Ian Lance Taylor <iant@google.com>
241 * tree-vect-patterns.c (vect_single_imm_use): Correct return
242 values from false to NULL.
244 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
246 Backport from mainline
247 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
250 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
251 (TARGET_CMOV): Rename from TARGET_CMOVE.
252 (TARGET_CMOVE): New define.
253 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
254 Do not set TARGET_CMOVE here.
256 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
258 Backport from mainline:
260 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
262 PR tree-optimization/52633
263 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
264 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
265 (vect_recog_over_widening_pattern): Remove handling of code that was
266 already detected as over-widening pattern. Remove special handling
267 of "unsigned" cases. Instead, support general case of conversion
268 of the shift result to another type.
270 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
272 * tree-vect-patterns.c (vect_single_imm_use): New function.
273 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
274 (vect_recog_over_widening_pattern): Likewise.
275 (vect_recog_widen_shift_pattern): Likewise.
277 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
279 PR tree-optimization/52870
280 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
281 presumed pattern statement is within the same loop or basic block.
283 2012-05-04 Richard Guenther <rguenther@suse.de>
285 * common.opt (flto-report): Do not mark as Optimization.
287 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
290 * recog.c (constrain_operands): If extra constraints are present, also
291 accept pseudo-registers with equivalent memory locations during reload.
293 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
295 Backport from the mainline
296 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
299 * config/rs6000/rs6000.md (bswapdi splitters): If
300 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
301 default) is used, generate an alternate sequence that does not
302 depend on using indexed addressing.
304 2012-05-03 David S. Miller <davem@davemloft.net>
307 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
308 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
309 (sparc_emit_float_lib_cmp): Likewise.
311 2012-05-04 Martin Jambor <mjambor@suse.cz>
313 Backport from mainline
314 2012-05-02 Martin Jambor <mjambor@suse.cz>
317 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
318 of a variable when the contect is a function.
320 2012-05-03 Jakub Jelinek <jakub@redhat.com>
323 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
324 append program name to it and pass that as first argument
325 to make_relative_prefix. Always pass standard_libexec_prefix
326 as last argument to make_relative_prefix. If
327 make_relative_prefix returns NULL, fall back to
328 standard_libexec_prefix.
331 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
335 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
336 mode, return that mode.
338 2012-05-03 Richard Guenther <rguenther@suse.de>
340 PR tree-optimization/53144
341 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
343 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
344 with SSA name values.
345 (vn_reference_lookup_3): Adjust callers.
347 2012-05-02 Jakub Jelinek <jakub@redhat.com>
349 PR tree-optimization/53163
350 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
351 return value from compute_all_dependences.
353 PR rtl-optimization/53160
354 * ree.c (combine_reaching_defs): Handle the case where cand->insn
355 has been modified by ree pass already.
357 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
359 Backport from mainline
360 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
363 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
364 calls to cgraph_node_name in xstrdup.
365 (ipa_make_edge_direct_to_target): Ditto.
366 * tree-sra.c (convert_callers_for_node): Ditto.
367 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
368 * ipa-cp.c (perhaps_add_new_callers): Ditto.
369 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
370 (cgraph_materialize_all_clones): Ditto.
371 * ipa-inline.c (report_inline_failed_reason): Ditto.
372 (want_early_inline_function_p): Ditto.
373 (edge_badness): Ditto.
374 (update_edge_key): Ditto.
375 (flatten_function): Ditto.
377 (inline_always_inline_functions): Ditto.
378 (early_inline_small_functions): Ditto.
380 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
382 Backport from mainline
383 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
385 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
386 Introduce emul_name to select the right linker emulation for
387 powerpc64-*-freebsd*.
388 * configure: Regenerate.
389 * config.gcc: Add bits to support powerpc64-*-freebsd*.
390 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
391 * config/rs6000/freebsd64.h: New file.
392 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
394 (rs6000_savres_strategy): Likewise.
395 (rs6000_savres_routine_name): Likewise.
396 (rs6000_elf_file_end): Likewise.
397 * config/rs6000/t-freebsd64: New file.
398 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
399 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
401 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
403 Backport from mainline
404 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
407 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
409 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
411 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
412 predicate to discriminate types.
414 2012-04-27 Richard Guenther <rguenther@suse.de>
417 * convert.c (convert_to_integer): Avoid infinite recursion for
418 target-defined built-in types.
420 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
423 * config/cris/cris.md ("*andhi_lowpart_v32")
424 ("*andqi_lowpart_v32"): Change first input-only operand from
425 a (match_operand ...) to (match_dup 0). Drop alternatives with
426 const_int-matching constraints for redundancy.
427 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
428 three-operand alternative.
430 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
432 Backport from mainline
433 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
435 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
436 (*addsi_2_zext): Ditto.
437 (*add<mode>_3): Ditto.
438 (*addsi_3_zext): Ditto.
439 (*add<mode>_5): Ditto.
441 2012-04-25 Jakub Jelinek <jakub@redhat.com>
444 * c-typeck.c (set_nonincremental_init,
445 set_nonincremental_init_from_string): Pass true instead of false
446 as IMPLICIT to add_pending_init.
448 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
450 Backport from 2012-04-24 mainline r186768.
453 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
455 2012-04-24 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/53085
458 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
461 2012-04-24 Jakub Jelinek <jakub@redhat.com>
464 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
466 (output_addressed_constants): Likewise.
469 * varasm.c (get_section): Don't ICE for section conflicts with
470 built-in section kinds.
472 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
474 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
476 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
478 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
480 2012-04-23 Richard Guenther <rguenther@suse.de>
483 * c-typeck.c (build_binary_op): Fix typo.
485 2012-04-23 Jakub Jelinek <jakub@redhat.com>
487 PR tree-optimizations/52891
488 * tree-vect-patterns.c (adjust_bool_pattern): Use
489 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
490 but with non-standard precision.
492 2012-04-22 Ian Lance Taylor <iant@google.com>
494 * godump.c (go_output_typedef): Dump size of structs.
496 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
498 Backport from mainline:
500 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
501 hints for 'A' operand types.
503 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
505 Backport from 2012-04-19 mainline r186588.
508 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
511 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
513 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
515 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
518 * config/i386/sync.md (atomic_<code><mode>): Rename to
519 atomic_<logic><mode>.
521 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
523 Backport from mainline
524 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
527 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
528 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
529 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
530 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
531 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
532 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
533 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
534 gen_avx2_permvarv8sf.
536 2012-04-16 Martin Jambor <mjambor@suse.cz>
538 Backported from mainline
540 2012-04-13 Martin Jambor <mjambor@suse.cz>
543 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
544 fold_ctor_reference returns a zero constant.
546 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
548 Backported from mainline
549 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
552 and __ILP32__ for x32.
554 2012-04-13 Tom de Vries <tom@codesourcery.com>
556 Backport from mainline r186418.
558 2012-04-13 Tom de Vries <tom@codesourcery.com>
560 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
561 parameters vuse and vuse_escaped.
562 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
563 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
566 2012-04-13 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/52969
569 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
570 the condition for the COND_EXPR and handle predicate negation
571 by swapping the COND_EXPR arms.
573 2012-04-13 Richard Guenther <rguenther@suse.de>
576 * convert.c (convert_to_pointer): Remove special-casing of
579 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
581 Backport from mainline
582 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
585 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
586 the list of options to enable the FCFID instruction.
587 (TARGET_EXTRA_BUILTINS): Adjust comment.
589 2012-04-12 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/52943
592 * tree-chrec.h (chrec_is_positive): Remove.
593 * tree-scalar-evolution.c (chrec_is_positive): Move ...
594 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
595 Return false for a constant zero instead of negative.
596 (analyze_siv_subscript_cst_affine): Handle zero difference
597 in the initial condition explicitely.
599 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
602 * varasm.c (process_pending_assemble_externals): Set
603 pending_assemble_externals_processed true.
604 (assemble_external): Call assemble_external_real if the pending
605 assemble externals have been processed.
607 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
610 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
611 the DECL generated for the special GOT helper.
613 2012-04-06 Walter Lee <walt@tilera.com>
615 Backport from mainline
616 2012-03-07 Walter Lee <walt@tilera.com>
618 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
619 REG_CFA_* notes for the stack pointer.
620 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
621 EH_RETURN_STACKADJ_RTX.
622 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
623 generate REG_CFA_* notes for the stack pointer.
624 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
625 by EH_RETURN_STACKADJ_RTX.
627 2012-04-06 Matt Turner <mattst88@gmail.com>
629 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
631 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
633 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
634 of the destination isn't also a FP_REGS register.
636 2012-04-03 Richard Guenther <rguenther@suse.de>
638 Backport from mainline
639 2012-03-02 Richard Guenther <rguenther@suse.de>
641 PR tree-optimization/52406
642 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
643 (struct indices): Add unconstrained_base member.
644 (struct dr_alias): Remove unused vops member.
645 (DR_UNCONSTRAINED_BASE): New define.
646 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
647 add indices to allow their disambiguation. Make DR_BASE_OBJECT
648 be an artificial access that covers the whole indexed object,
649 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
650 plain decl base-objects to their MEM_REF variant.
651 (dr_may_alias_p): When the base-object of either data reference
652 has unknown size use only points-to information.
653 (compute_affine_dependence): Make dumps easier to read and
655 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
656 DR_REF when looking for packed references.
657 (vect_supportable_dr_alignment): Likewise.
659 2012-04-03 Richard Guenther <rguenther@suse.de>
661 Backport from mainline
662 2012-03-15 Richard Guenther <rguenther@suse.de>
665 * tree-data-ref.c (subscript_dependence_tester_1): Check
666 all dimensions for non-conflicting access functions.
668 2012-04-03 Richard Guenther <rguenther@suse.de>
670 Backport from mainline
671 2012-03-06 Richard Guenther <rguenther@suse.de>
674 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
676 2012-03-23 Richard Guenther <rguenther@suse.de>
678 PR tree-optimization/52678
679 * tree-vectorizer.h (struct _stmt_vec_info): Add
680 loop_phi_evolution_part member.
681 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
682 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
683 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
684 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
685 Use the cached evolution part and the PHI nodes value from
686 the loop preheader edge instead of re-analyzing the evolution.
688 2012-03-26 Richard Guenther <rguenther@suse.de>
690 PR tree-optimization/52701
691 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
692 compute and set the evolution part of PHI nodes.
694 2012-03-30 Richard Guenther <rguenther@suse.de>
696 PR tree-optimization/52754
697 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
698 propagate arbitrary addresses into really plain dereferences.
700 2012-04-03 Jakub Jelinek <jakub@redhat.com>
702 PR tree-optimization/52835
703 * tree-data-ref.c (build_rdg): Return NULL if
704 compute_data_dependences_for_loop failed.
706 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
708 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
709 (stmt_can_make_abnormal_goto): Use it.
710 (is_ctrl_altering_stmt): Likewise.
712 2012-03-31 Martin Jambor <mjambor@suse.cz>
714 Backported from mainline
715 2012-03-30 Martin Jambor <mjambor@suse.cz>
717 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
718 is a builtin_stack_save in a dominating BB.
720 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
722 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
723 crossing 128bit lane boundary.
725 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
727 Backported from mainline
728 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
733 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
734 * config/i386/i386.c: Include reload.h.
735 (ix86_legitimize_reload_address): New function.
737 2012-03-28 Martin Jambor <mjambor@suse.cz>
739 Backported from mainline
740 2012-03-27 Martin Jambor <mjambor@suse.cz>
743 * tree-sra.c (sra_modify_assign): Do not call
744 load_assign_lhs_subreplacements when working with an unscalarizable
747 2012-03-28 Jakub Jelinek <jakub@redhat.com>
750 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
751 __builtin_va_start to __builtin_next_arg if the latter is
752 builtin_decl_explicit_p rather than when it is not.
755 * tree-vect-generic.c (vector_element): Perform multiplication
756 for pos in bitsizetype type instead of idx type.
758 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
760 Backport from 2012-03-28 mainline r185910.
763 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
764 (avr_builtin_decl): New static function.
765 (struct avr_builtin_description, avr_bdesc): Move up.
766 Add GTY marker. Add field fndecl. Remove redundant field id.
767 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
768 (avr_expand_builtin): Code cleanup because .id is removed.
770 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
773 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
776 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
778 Backport from 2012-03-28 mainline r185907.
781 * config.gcc (tm_file): Remove avr/multilib.h.
783 * doc/invoke.texi (AVR Options): Adjust
784 documentation of -mtiny-stack.
786 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
787 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
788 * config/avr/t-avr: Remove generation of multilib.h.
789 * config/avr/t-multilib: Regenerate.
790 * config/avr/multilib.h: Remove.
791 * config/avr/avr.opt (-msp8): New option.
792 (avr_sp8): New variable.
793 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
794 * config/avr/avr.h (AVR_HAVE_SPH): New define.
795 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
796 (avr_device_to_sp8): New prototype.
797 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
798 (DRIVER_SELF_SPECS): New define.
799 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
800 __AVR_SP8__, __AVR_HAVE_SPH__.
801 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
802 AVR_HAVE_8BIT_SP to decide if SP_H is present.
803 (avr_file_start): Ditto.
805 2012-03-28 Jakub Jelinek <jakub@redhat.com>
808 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
809 instead of 8 in adjust_address.
811 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
813 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
814 of a unit before computing the offset in units.
816 2012-03-27 Richard Guenther <rguenther@suse.de>
819 * fold-const.c (try_move_mult_to_index): Handle &x.array more
822 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
825 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
827 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
830 * varasm.c: Include pointer-set.h.
831 (pending_assemble_externals_set): New pointer set.
832 (process_pending_assemble_externals): Destroy the pointer set.
833 (assemble_external): See if decl is in pending_assemble_externals_set,
834 and add it to pending_assemble_externals if necessary.
835 (init_varasm_once): Allocate pending_assemble_externals_set.
837 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
839 Backported from mainline
840 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
843 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
844 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
845 (vector_ltgt<mode>): Likewise.
846 (vector_ordered<mode>): Likewise.
847 (vector_unordered<mode>): Likewise.
848 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
850 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
852 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
855 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
857 Backported from mainline
858 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
862 * config/sh/sh.c (sh_register_move_cost): Increase cost between
863 GENERAL_REGS and FP_REGS for SImode.
865 2012-03-22 Jakub Jelinek <jakub@redhat.com>
868 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
869 on any new_local_var_chain vars declared during recursing on
870 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
872 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
874 Backport from 2012-03-22 mainline r185692.
877 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
878 (unspecv): Add UNSPECV_MEMORY_BARRIER.
879 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
880 (delay_cycles_1, delay_cycles_2): Ditto.
881 (delay_cycles_3, delay_cycles_4): Ditto.
882 (nopv, *nopv): Ditto.
883 (sleep, *sleep): Ditto.
886 Backport from 2012-03-21 mainline r185605.
888 PR rtl-optimization/52543
890 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
891 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
892 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
893 (avr_load_libgcc_p): Restrict to __flash loads.
894 (avr_out_lpm): Only handle 1-byte loads from __flash.
895 (avr_load_lpm): New function.
896 (avr_find_unused_d_reg): Remove.
897 (avr_out_lpm_no_lpmx): Remove.
898 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
899 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
900 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
901 (load_<mode>, load_<mode>_clobber): New insns.
902 (mov<mode>): For multi-byte move from non-generic
903 16-bit address spaces: Expand to load_<mode> resp.
905 (load<mode>_libgcc): Remove expander.
906 (split-lpmx): Remove split.
908 Backport from 2012-03-13 mainline r185329.
911 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
912 offset (size) to a value the insns can deal with.
913 (expand_epilogue): Ditto.
915 Backport from 2012-03-12 mainline r185256.
918 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
919 type from reg_class_t to enum reg_class.
920 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
922 Backport from 2012-03-12 mainline r185253.
925 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
926 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
927 r184615 from 2012-02-28.
929 Backport from 2012-03-08 mainline r185105.
931 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
932 for constants in [-63,63].
934 Backport from 2012-03-08 mainline r185100.
937 * config/avr/avr.c (avr_mem_clobber): New static function.
938 (avr_expand_delay_cycles): Add memory clobber operand to
939 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
940 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
941 (enable_interrupt, disable_interrupt): New expander.
942 (nopv, sleep, wdr): New expanders.
943 (delay_cycles_1): Add memory clobber.
944 (delay_cycles_2): Add memory clobber.
945 (delay_cycles_3): Add memory clobber.
946 (delay_cycles_4): Add memory clobber.
947 (cli_sei): New insn from former "enable_interrupt",
948 "disable_interrupt" with memory clobber.
949 (*wdt): New insn from former "wdt" with memory clobber.
950 (*nopv): Similar, but for "nopv".
951 (*sleep): Similar, but for "sleep".
953 Backport from 2012-03-07 mainline r185043.
956 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
958 Backport from 2012-03-07 mainline r185032.
961 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
962 to: RAMPZ, RAMPY, RAMPX, RAMPD.
963 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
965 Backport from 2012-03-07 mainline r185031.
968 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
970 * config/avr/avr.md (xload_8): Adjust insn length.
972 Backport from 2012-03-07 mainline r185030.
975 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
976 if RAMPZ affects reading from RAM.
978 Backport from 2012-03-05 mainline r184919.
980 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
982 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
984 Backport from mainline r185259.
987 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
988 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
990 2012-03-22 Jakub Jelinek <jakub@redhat.com>
992 Backported from mainline
993 2012-03-13 Jakub Jelinek <jakub@redhat.com>
996 * c-parser.c (c_parser_postfix_expression)
997 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
999 * config/i386/smmintrin.h: Avoid /* within a comment.
1000 * config/i386/nmmintrin.h: Likewise.
1002 2012-03-22 Richard Guenther <rguenther@suse.de>
1004 * BASE-VER: Set to 4.7.1.
1005 * DEV-PHASE: Set to prerelease.
1007 2012-03-22 Release Manager
1009 * GCC 4.7.0 released.
1011 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1013 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1015 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1016 Andrew Pinski <apinski@cavium.com>
1019 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1020 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1021 calls instead of __builtin_ir{int,ound}*.
1023 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1026 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1029 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1031 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1032 Refer to GCC 4.7 version of c99status.html.
1034 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1036 Backport from mainline
1037 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1039 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1040 redefine to be NULL if the current bit-size is different from the
1041 configured bit-size.
1043 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1044 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1045 set the default tuning. Add asserts to make sure the cpu and tune
1046 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1047 test whether the index is set, instead of > 0.
1048 (rs6000_file_start): Do not reset the default cpu if the current
1049 bit-size is different from the configured bit-size.
1051 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1053 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1055 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1056 Update binutils references.
1057 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1058 Update binutils reference.
1059 Update Sun as/GNU ld caveat.
1060 Document binutils largefile requirement for LTO plugin.
1061 Remove reference to alternate libpthread.
1063 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1065 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1067 (Specific, mips-sgi-irix6): Likewise.
1069 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1071 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1072 * configure: Regenerate.
1074 2012-03-07 Richard Henderson <rth@redhat.com>
1076 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1077 * config/m68k/sync.md (atomic_test_and_set): Use it.
1078 (atomic_test_and_set_1): Likewise.
1080 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1083 * Makefile.in: Let install-gcc-ar depend on installdirs,
1084 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1085 Don't double canonicalize if cross-compiling.
1087 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1089 * trans-mem.c: New typedef for tm_region_p.
1090 Define vector types for tm_region_p.
1091 (tm_region_init): Replace region_worklist to a vector called
1094 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1097 * trans-mem.c (tm_region_init): Use last_basic_block.
1099 2012-03-05 Richard Henderson <rth@redhat.com>
1102 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1103 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1104 BIGGEST_ALIGNMENT is aligned.
1106 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1108 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1110 2012-03-05 Richard Henderson <rth@redhat.com>
1113 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1114 instead of calling negqi2 directly.
1116 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1118 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1119 (INTMAX_TYPE): Use it.
1120 (UINTMAX_TYPE): Likewise.
1121 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1122 (irix6_c_common_override_options): Declare.
1123 (C_COMMON_OVERRIDE_OPTIONS): Define.
1124 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1125 * config/mips/irix6-c.c: New file.
1126 * config/mips/t-irix6 (irix6-c.o): New target.
1127 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1130 2012-03-02 Richard Henderson <rth@redhat.com>
1132 * optabs.c (expand_atomic_test_and_set): Honor
1133 atomic_test_and_set_trueval even when atomic_test_and_set
1134 optab is not in use.
1136 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1138 Backport from mainline
1139 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1141 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1143 2012-03-02 Richard Guenther <rguenther@suse.de>
1145 * DEV-PHASE: Set to prerelease.
1147 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1149 * config.gcc (obsolete): Add all ARM targets using the FPA.
1150 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1151 * doc/install.texi: Avoid references to obsolete ARM ports.
1153 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1155 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1157 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1158 Joern Rennecke <joern.rennecke@embecosm.com>
1160 * doc/extend.texi: Expand and update information on interrupt
1161 attribute for Epiphany.
1163 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1165 * config/sh/sh-protos.h: Update copyright notice dates.
1166 * config/sh/sh.h: Likewise.
1167 * config/sh/sh.md: Likewise.
1168 * config/sh/constraints.md: Likewise.
1169 * config/sh/predicates.md: Likewise.
1171 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1173 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1174 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1176 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1178 * config/sh/constraints.md: Fix comment typo.
1180 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1183 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1184 unsigned HOST_WIDE_INT.
1185 (zvdep_imm64): Likewise.
1186 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1187 (vdepi_and): Likewise.
1188 Likewise for unamed 64-bit patterns.
1189 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1191 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1194 PR rtl-optimization/52417
1195 * cselib.c (cselib_any_perm_equivs): New variable.
1196 (cselib_reset_table): Check that it's not set when not
1197 preserving constants.
1198 (cselib_add_permanent_equiv): Set it.
1199 (cselib_have_permanent_equivalences): New.
1200 (cselib_init, cselib_finish): Reset it.
1201 * cselib.h (cselib_have_permanent_equivalences): Declare.
1202 * alias.c (get_addr): Restore earlier behavior when there
1203 aren't permanent equivalences.
1205 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1207 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1208 * config/v850/v850-modes.def: Fix copyright notice.
1210 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1212 * doc/extend.texi (AVR Built-in Functions): Document
1213 __builtin_avr_flash_segment.
1215 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1216 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1217 (*split.flash_segment): New insn-and-split.
1218 * config/avr/avr.c (avr_init_builtins): Add local variables:
1219 const_memx_void_node, const_memx_ptr_type_node,
1220 char_ftype_const_memx_ptr.
1222 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1224 PR tree-optimization/52445
1225 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1226 add ssa_name_ver, offset and size fields and change store field
1228 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1229 (add_or_mark_expr): Likewise. Only consider previous stores
1230 with the same size and offset.
1231 (nt_init_block): Only look at gimple_assign_single_p stmts,
1232 doesn't look at rhs2.
1234 2012-03-01 Richard Guenther <rguenther@suse.de>
1237 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1238 conversions from integral types to pointer types.
1240 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1242 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1243 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1244 unintentionally removed in r184616.
1246 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1248 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1251 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1252 Uros Bizjak <ubizjak@gmail.com>
1255 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1256 alternatives, add "e" constraint to the new last alternative
1257 and ! to last 3 alternatives.
1259 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1261 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1262 DW_AT_artificial attributes at the end of the processing.
1263 (gen_array_type_die): Likewise.
1264 (gen_enumeration_type_die): Likewise.
1265 (gen_struct_or_union_type_die): Likewise.
1266 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1269 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1272 * expr.c (expand_assignment): If doing misaligned store that doesn't
1273 cover all mode bits, perform a RMW cycle.
1275 PR tree-optimization/52429
1276 * tree-parloops.c (separate_decls_in_region_debug): Return early
1277 if var is LABEL_DECL.
1279 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1281 PR tree-optimization/52424
1282 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1283 calling dom_thread_across_edge.
1285 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1287 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1289 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1291 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1292 * config/avr/avr.c (avr_output_bld): Remove unused function.
1293 (avr_out_sbxx_branch): Use "%T" to print bit position.
1295 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1297 * config/avr/avr.md: Untabify.
1299 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1301 * config/avr/avr.md (eqne): New code iterator.
1302 (*dec-and-branchsi): Use it in text peephole's condition.
1303 (*dec-and-branchhi): Ditto.
1304 (*dec-and-branchqi): Ditto.
1306 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1309 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1310 the device does not have the skip-bug.
1312 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1314 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1315 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1316 -mpretend-cmove): New.
1318 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1321 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1322 doesn't count DEBUG_INSN refs.
1323 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1324 for DEBUG_INSN refs.
1326 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1330 2012-02-20 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/52298
1332 * tree-vect-stmts.c (vectorizable_load): Properly use
1333 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1336 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1339 * gimple.h (gimple_in_transaction): New.
1340 (gimple_set_in_transaction): New.
1341 (struct gimple_statement_base): Add in_transaction field.
1342 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1344 (tree_ssa_lim_initialize): Compute transaction bits.
1345 * tree.h (compute_transaction_bits): Protoize.
1346 * trans-mem.c (tm_region_init): Use the heap to store BB
1348 (compute_transaction_bits): New.
1350 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1352 * gcc.c (display_help): Document --help=common and sort entries
1355 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1357 * doc/install.texi: Document check-$LANG specific shortcuts
1359 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1362 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1364 * config/arm/arm_neon.h: Regenerate.
1365 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1366 (neon_vcgeu): New insn.
1367 (neon_vcgtu): Likewise.
1368 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1369 (ops): Unsigned comparison intrinsics call a different
1372 2012-02-28 Richard Guenther <rguenther@suse.de>
1375 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1376 ordering for the VEC_CONCAT for two element vectors for
1377 V2SFmode, V2SImode and V2DImode.
1379 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1382 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1383 detecting big-endian triplets.
1385 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1387 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1388 mode if there is no type information available.
1390 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1392 PR tree-optimization/53207
1393 * doc/invoke.texi: Document as experimental and relying on graphite.
1395 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1397 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1398 of initializer to changes from r184614.
1400 2012-02-28 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/52395
1403 * tree-sra.c (build_ref_for_offset): Also look at the base
1404 TYPE_ALIGN when figuring out the alignment of the replacement.
1406 2012-02-28 Richard Guenther <rguenther@suse.de>
1408 PR tree-optimization/52402
1409 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1410 mis-aligned types when creating the accesses at the call site.
1412 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1414 * config/avr/builtins.def: New file.
1415 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1416 * config/avr/avr.c (enum avr_builtin_id): Use it.
1417 (avr_init_builtins): Use it. And use avr_bdesc.
1418 (bdesc_1arg): Remove.
1419 (bdesc_2arg): Remove.
1420 (bdesc_3arg): Remove.
1421 (struct avr_builtin_description): Add field n_args.
1422 (avr_bdesc): New static variable using builtins.def.
1423 (avr_expand_builtin): Use it.
1424 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1425 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1426 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1428 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1431 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1432 match only one single hard register with respective hard reg rtx.
1433 (movmemx_<mode>): Ditto.
1434 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1435 insn anatomy of movmem[x]_<mode>.
1436 (avr_out_movmem): Same for printing assembler and operand usage.
1438 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1442 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1443 address spaces located outside of device flash.
1445 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1446 (mcu_type_s): Add field n_flash.
1447 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1448 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1449 (AVR_MCU): Add N_FLASH argument.
1450 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1451 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1452 macro __FLASH<n> if that address space makes sense for the device.
1453 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1454 outside of target flash.
1455 (avr_asm_named_section): Ditto.
1456 (avr_asm_select_section): Ditto.
1457 (avr_addr_space_convert): Ditto.
1458 (avr_emit_movmemhi): Ditto.
1459 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1460 address space is outside of device flash.
1461 (avr_insert_attributes): Ditto.
1462 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1463 avr_current_arch->n_segments.
1465 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1468 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1470 (*movabs<mode>_2): Likewise.
1472 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1475 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1476 s_register_operand in the test instead of REG_P. Don't call
1477 gen_reg_rtx if it won't be used.
1479 PR tree-optimization/52376
1480 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1482 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1484 * ifcvt.c (noce_get_condition): Check condition variable is not
1485 small_register_classes_for_mode_p before accepting.
1487 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1489 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1491 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1494 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1495 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1497 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1499 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1501 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1503 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1505 * config/sh/predicates.md: Remove blank lines.
1506 * config/sh/sh.c: Fix typos in comments.
1507 * config/sh/constraints.md: Likewise.
1508 * config/sh/sh.md: Remove blank lines.
1509 Fix typos in comments. Use ;; as comment characters.
1511 2012-02-26 Walter Lee <walt@tilera.com>
1513 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1514 (replace_mov_pcrel_step2): Ditto.
1516 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1519 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1520 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1521 and locs that reference values newer than the non-canonical value
1522 at hand. Return the canonical value as a worst case.
1523 (memrefs_conflict_p): Walk canonical value's locs.
1526 * cselib.c (preserve_only_constants): Rename to...
1527 (preserve_constants_and_equivs): ... this. Split out...
1528 (invariant_or_equiv_p): ... this. Preserve plus expressions
1529 of other preserved expressions too.
1530 (cselib_reset_table): Adjust.
1531 * var-tracking.c (reverse_op): Use canonical value to build
1534 2012-02-23 Kai Tietz <ktietz@redhat.com>
1536 * config/i386/i386.c (ix86_delegitimize_address): Handle
1537 UNSPEC_PCREL plus displacement.
1539 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1542 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1543 to test for unusedness in st X addressing.
1545 2012-02-24 Richard Guenther <rguenther@suse.de>
1548 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1549 (is_gimple_reg_type): Move inline ...
1550 * gimple.h (is_gimple_reg_type): ... here.
1552 2012-02-24 Richard Guenther <rguenther@suse.de>
1555 * passes.c (execute_function_todo): When verifying SSA form
1556 verify gimple form first.
1557 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1559 2012-02-24 Richard Guenther <rguenther@suse.de>
1562 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1563 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1565 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1567 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1569 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1571 * tree-phinodes.c (make_phi_node): Mark static.
1572 * tree-flow.h (make_phi_node): Remove extern decl.
1573 * doc/gimple.texi (make_phi_node): Remove documentation.
1575 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1577 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1578 * tree-ssa-sccvn.c (print_scc): Ditto.
1580 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1582 * doc/passes.texi (Full redundancy elimination): Fix typo.
1584 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1586 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1588 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1591 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1593 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1596 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1598 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1600 * config/avr/avr.md (code_stdname): Add ior, xor.
1601 (xior): New code iterator.
1602 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1603 (*<code_stdname><mode>qi.byte1-3): Ditto.
1605 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1607 PR tree-optimization/52019
1608 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1611 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1613 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1614 HAVE_INITFINI_ARRAY to work around namespace pollution in
1615 certain versions of newlib system headers.
1616 * config.in: Regenerate.
1617 * configure: Regenerate.
1618 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1619 instead of HAVE_INITFINI_ARRAY.
1621 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1624 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1625 is not offsettable memory reference.
1627 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1630 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1631 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1633 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1635 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1636 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1638 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1640 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1641 library on Solaris 8 even without TLS support.
1642 * configure: Regenerate.
1644 2012-02-22 Richard Guenther <rguenther@suse.de>
1647 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1648 for GIMPLE_DEBUG stmts.
1650 2012-02-22 Martin Jambor <mjambor@suse.cz>
1653 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1654 according to the base object.
1656 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1658 PR rtl-optimization/50063
1659 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1660 and 2 (8-bit SP) in operand 2.
1661 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1662 setup to use movhi_sp_r instead of vanilla move to write SP.
1663 Adjust REG_CFA notes to superseed unspec.
1664 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1666 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1667 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1668 irq_state 1 (IRQ known to be on) here.
1670 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1672 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1674 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1675 assign_hard_reg): Likewise.
1677 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1679 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1681 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1684 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1685 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1687 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1689 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1690 prototype from here to...
1691 * config/avr/avr.h: ...here.
1693 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1696 * thumb2.md (thumb2_shiftsi3_short): Split register and
1697 immediate shifts. For register shifts tie operands 0 and 1.
1698 (peephole2 for above): Check that register-controlled shifts
1699 have suitably tied operands.
1701 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1704 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1705 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1706 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1707 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1708 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1709 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1710 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1711 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1712 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1713 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1714 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1715 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1716 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1717 bdver1_ssevector_avx256_unaligned_load,
1718 bdver1_ssevector_sse128_unaligned_load,
1719 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1720 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1721 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1722 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1723 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1724 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1725 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1726 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1727 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1728 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1729 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1730 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1731 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1732 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1733 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1734 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1735 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1736 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1737 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1738 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1739 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1740 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1741 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1742 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1743 bdver1_ssediv_double_load, bdver1_ssediv_double,
1744 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1745 Add "bdver2" attribute.
1747 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1749 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1750 default if possible and not specified otherwise.
1752 2012-02-21 Richard Guenther <rguenther@suse.de>
1755 * gimplify.c (create_tmp_from_val): Use the main variant type
1756 for the type of the temporary we create.
1758 2012-02-21 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/52324
1761 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1762 do not gimplify a MEM_REF address operand if it is already
1765 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1767 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1768 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1770 2012-02-21 Richard Guenther <rguenther@suse.de>
1772 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1773 nested_in_vect_loop.
1775 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1777 PR tree-optimization/52318
1778 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1779 vdef also to non-pure/const call stmts in the sequence.
1781 2012-02-20 David S. Miller <davem@davemloft.net>
1783 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1784 don't use the "rd %pc" instruction on v9 for PIC register loads.
1786 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1789 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1790 in a transaction safe function.
1792 2012-02-20 Kai Tietz <ktietz@redhat.com>
1795 * stor-layout.c (place_field): Handle desired_align for
1798 2012-02-20 Richard Guenther <rguenther@suse.de>
1800 PR tree-optimization/52298
1801 * tree-vect-stmts.c (vectorizable_store): Properly use
1802 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1804 (vectorizable_load): Likewise.
1805 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1806 Access DR_STEP after ensuring it is not NULL.
1808 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1810 PR tree-optimization/52286
1811 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1812 optimization use double_int_to_tree instead of build_int_cst_wide,
1813 rewrite to use double_int vars.
1815 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1818 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1820 Remove -e 0 from $gcc_cv_ld invocation.
1821 Only use __GLIBC_PREREQ if defined.
1822 Enable on Solaris since Solaris 8 patch.
1823 (gcc_SUN_LD_VERSION): New macro.
1824 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1825 gcc_SUN_LD_VERSION for version number format.
1826 * configure: Regenerate.
1827 * varasm.c (get_elf_initfini_array_priority_section): Set
1828 SECTION_NOTYPE for non-default priority.
1829 Use get_section instead of get_unnamed_section to emit
1830 .init_array/.fini_array with default priority.
1832 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1834 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1835 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1836 (mips_start_unique_function, mips_output_mips16_rdhwr)
1837 (mips_code_end): New functions.
1838 (TARGET_ASM_CODE_END): Define.
1840 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1842 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1843 to stubs with non-sibling calls.
1845 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1847 * doc/invoke.texi (-fira-* options): Copy-edit.
1848 (ira-* parameters): Copy-edit.
1850 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1852 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1853 GCC coding conventions.
1855 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1857 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1858 when used as adjectives.
1860 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1862 * doc/invoke.texi: Clean up "that"/"which" confusion.
1864 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1866 * system.h: Poison SMALL_REGISTER_CLASSES
1867 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1868 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1870 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1872 PR tree-optimization/52285
1873 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1874 when deciding if a call is a tail call or tail recursion.
1876 2012-02-16 Kai Tietz <ktietz@redhat.com>
1878 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1879 interger-constant displacement for UNSPEC_PCREL.
1881 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1883 PR rtl-optimization/52208
1884 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1885 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1887 PR tree-optimization/52255
1888 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1889 loop->header has virtual PHI, but exit_e->dest doesn't, add
1890 virtual PHI to exit_e->dest and adjust all uses after the loop.
1893 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1894 children with clone_tree_hash, not after it.
1896 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1898 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1899 extended identifiers.
1901 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1904 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1905 a same_body_alias, also test whether e->callee isn't a former
1906 or current clone of the decl this is a same body alias of.
1908 PR translation/52264
1909 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1911 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1913 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1915 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1918 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1919 force_reg instead of copy_to_reg for better optimization. Force
1920 non-register or memory operands into a register.
1922 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1924 * extend.texi: Reserve upper bits of memory model for future use.
1926 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1927 Anatoly Sokolov <aesok@post.ru>
1928 Eric Weddington <eric.weddington@atmel.com>
1931 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1932 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1933 Rewrite initializers for .macro.
1934 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1935 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1936 atxmega32d4, atxmega32x1.
1937 avrxmega4: atxmega64a3, atxmega64d3.
1938 avrxmega5: atxmega64a1, atxmega64a1u.
1939 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1940 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1941 avrxmega7: atxmega128a1, atxmega128a1u.
1942 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1943 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1944 (struct base_arch_s): Rename reserved to xmega_p.
1945 Rename reserved2 to have_rampd.
1946 (AVR_XMEGA): New define.
1947 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1948 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1949 * config/avr/predicates.md (io_address_operand): Take into
1951 (low_io_address_operand): Ditto.
1952 (high_io_address_operand): Ditto.
1953 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1954 (enabled, movhi_sp_r): Use them.
1955 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1956 cpp_define_formatted to built-in define __AVR_ARCH__.
1957 (__AVR_XMEGA__): New built-in define.
1958 (__AVR_HAVE_RAMPD__): New built-in define.
1959 (__AVR_HAVE_RAMPX__): New built-in define.
1960 (__AVR_HAVE_RAMPY__): New built-in define.
1961 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1963 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1964 (avr_option_override): Initialize them.
1965 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1966 (avr_init_expanders): Initialize them. No more block several calls.
1967 (emit_push_sfr): New static function.
1968 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1970 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1971 (avr_print_operand): Print addreeses as symbols for
1972 RAMPX, RAMPY, RAMPD, CCP.
1973 (output_movhi): Handle AVR_XMEGA when writing to SP.
1974 (avr_out_movhi_mr_r_xmega): New static function.
1975 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1976 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1977 __RAMPD__, __CCP__ as needed.
1979 * config/avr/multilib.h: Regenerate.
1980 * config/avr/t-multilib: Regenerate.
1981 * config/avr/avr-tables.opt: Regenerate.
1983 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1985 PR tree-optimization/50561
1986 * graphite-flattening.c (lst_project_loop): Do not
1987 remove old scattering dimensions after flattening.
1988 (lst_do_flatten): Likewise.
1990 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1992 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1993 __builtin_avr_map8, __builtin_avr_map16.
1994 Document __builtin_avr_insert_bits.
1996 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1997 (insert_bits): New insn.
1998 (adjust_len.map_bits): Rename to insert_bits.
1999 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2000 * avr-protos.h (avr_out_map_bits): Remove.
2001 (avr_out_insert_bits, avr_has_nibble_0xf): New.
2002 * config/avr/constraints.md (Cxf,C0f): New.
2003 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2004 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2005 New built-in define __BUILTIN_AVR_INSERT_BITS.
2006 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2007 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2008 (avr_move_bits): Rewrite.
2009 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2011 (avr_map_op_t): New typedef.
2012 (avr_map_op): New static variable.
2013 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2014 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2015 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2016 (bdesc_3arg, avr_expand_triop_builtin): New.
2017 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2018 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2019 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2020 (avr_map_equal_p, avr_map_sig_p): Remove.
2021 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2022 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2023 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2024 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2025 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2026 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2028 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2030 * config/c6x/c6x.md (reserve_cycles): New attribute.
2031 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2032 don't reserve functional units after the branch occurs.
2034 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2037 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2038 functions into non-tm_pure functions.
2040 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2043 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2044 (iterative_hash_canonical_type): Likewise.
2045 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2048 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2050 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2051 sched-group insn, it either remains alone or the entire list is pruned.
2053 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2055 * doc/install.texi (Prerequisites): Fix grammar.
2056 (Configuration): Likewise.
2058 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2060 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2061 MPC as part of GCC before describing configuring with --with-gmp etc.
2062 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2063 sources are present.
2065 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2068 * dwarf2out.c (clone_tree_hash): New function.
2069 (copy_decls_walk): Use it instead of clone_tree.
2071 2012-02-14 Richard Guenther <rguenther@suse.de>
2073 PR tree-optimization/52244
2074 PR tree-optimization/51528
2075 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2076 replacements for integral types.
2078 2012-02-14 Walter Lee <walt@tilera.com>
2080 * config.gcc: Handle tilegx and tilepro.
2081 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2083 Add HAVE_AS_TLS check for tilegx and tilepro.
2084 * configure: Regenerate.
2085 * doc/contrib.texi: Add Mat Hostetter and self.
2086 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2087 Document instruction intrinsics and network accessing intrinsics.
2088 (TILEPro Built-in Functions): New node. Document instruction
2089 intrinsics and network accessing intrinsics.
2090 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2091 (Specific, tilepro-*-linux*): Likewise.
2092 * doc/invoke.texi (TILE-Gx Options): New section.
2093 (TILEPro Options): New section.
2094 * doc/md.texi (TILE-Gx): New section.
2095 (TILEPro): New section.
2096 * common/config/tilegx/tilegx-common.c: New file.
2097 * common/config/tilepro/tilepro-common.c: New file.
2098 * config/tilegx/constraints.md: New file.
2099 * config/tilegx/linux.h: New file.
2100 * config/tilegx/mul-tables.c: New file.
2101 * config/tilegx/predicates.md: New file.
2102 * config/tilegx/sync.md: New file.
2103 * config/tilegx/t-tilegx: New file.
2104 * config/tilegx/tilegx-builtins.h: New file.
2105 * config/tilegx/tilegx-c.c: New file.
2106 * config/tilegx/tilegx-generic.md: New file.
2107 * config/tilegx/tilegx-modes.def: New file.
2108 * config/tilegx/tilegx-multiply.h: New file.
2109 * config/tilegx/tilegx-protos.h: New file.
2110 * config/tilegx/tilegx.c: New file.
2111 * config/tilegx/tilegx.h: New file.
2112 * config/tilegx/tilegx.md: New file.
2113 * config/tilegx/tilegx.opt: New file.
2114 * config/tilepro/constraints.md: New file.
2115 * config/tilepro/gen-mul-tables.cc: New file.
2116 * config/tilepro/linux.h: New file.
2117 * config/tilepro/mul-tables.c: New file.
2118 * config/tilepro/predicates.md: New file.
2119 * config/tilepro/t-tilepro: New file.
2120 * config/tilepro/tilepro-builtins.h: New file.
2121 * config/tilepro/tilepro-c.c: New file.
2122 * config/tilepro/tilepro-generic.md: New file.
2123 * config/tilepro/tilepro-modes.def: New file.
2124 * config/tilepro/tilepro-multiply.h: New file.
2125 * config/tilepro/tilepro-protos.h: New file.
2126 * config/tilepro/tilepro.c: New file.
2127 * config/tilepro/tilepro.h: New file.
2128 * config/tilepro/tilepro.md: New file.
2129 * config/tilepro/tilepro.opt: New file.
2131 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2133 PR tree-optimization/52210
2134 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2135 vect_model_simple_cost with two entry vect_def_type array instead
2136 of an address of dt.
2138 2012-02-14 Richard Guenther <rguenther@suse.de>
2141 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2142 Do not stream DECL_QUALIFIER.
2143 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2144 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2145 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2147 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2150 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2153 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2156 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2157 * cselib.c (cselib_subst_to_values_from_insn): New function.
2158 * sched-deps.c (add_insn_mem_dependence,
2159 sched_analyze_1, sched_analyze_2): Use it.
2161 2012-02-13 Jan Hubicka <jh@suse.cz>
2164 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2166 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2168 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2169 (GTM_SELF_SPECS): Define if not already defined.
2170 (driver_self_specs): Add GTM_SELF_SPECS.
2171 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2172 (GTM_SELF_SPECS): Define.
2173 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2174 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2176 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2178 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2181 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2184 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2185 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2187 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2190 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2192 2012-02-13 Richard Guenther <rguenther@suse.de>
2194 PR translation/52211
2195 * passes.c (enable_disable_pass): Fix typo.
2197 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2200 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2201 XOR for reduce_bit_field if type is unsigned.
2203 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2205 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2206 disallow changes from SFmode to mode with different size in FP regs.
2208 2012-02-12 Robert Millan <rmh@gnu.org>
2209 Gerald Pfeifer <gerald@pfeifer.com>
2211 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2214 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2216 PR rtl-optimization/52175
2217 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2218 to frame-related instructions.
2220 2012-02-10 Jason Merrill <jason@redhat.com>
2223 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2224 (demangle_new_symbols): Fill it.
2225 (scan_linker_output): Walk it.
2226 (start_tweaking): Split out from scan_linker_output.
2227 (maybe_tweak): Update sym->chosen.
2228 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2230 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2233 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2235 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2237 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2238 having the same mode as previous compare.
2240 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2242 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2243 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2244 (nonlocal_goto_internal): Likewise.
2245 (nonlocal_goto): Emit a use and an indirect jump directly.
2247 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2250 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2251 __atomic_{is,always}_lock_free.
2253 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2256 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2257 negative constant address for x32.
2259 2012-02-10 Richard Henderson <rth@redhat.com>
2261 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2262 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2263 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2265 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2266 Ira Rosen <irar@il.ibm.com>
2268 PR tree-optimization/50031
2269 * targhooks.c (default_builtin_vectorization_cost): Handle
2271 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2272 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2273 all types of reduction and pattern statements.
2274 (vect_estimate_min_profitable_iters): Likewise.
2275 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2276 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2277 for explicit realigns.
2278 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2279 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2281 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2282 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2283 vec_perm for VSX and handle vec_promote_demote.
2285 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2288 * builtins.c (fold_builtin_atomic_always_lock_free,
2289 expand_builtin_atomic_always_lock_free,
2290 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2291 Return and/or test boolean_true_node/boolean_false_node instead of
2292 integer_one_node/integer_zero_node.
2294 2012-02-10 Jan Hubicka <jh@suse.cz>
2297 * predict.c (predict_paths_for_bb): Prevent looping.
2298 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2300 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2302 * config/arm/arm.c (output_move_double): In one case properly
2303 count number of instructions that will be emitted.
2305 2012-02-10 Richard Guenther <rguenther@suse.de>
2307 PR translation/52193
2308 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2310 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2313 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2315 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2318 * var-tracking.c (emit_note_insn_var_location): If
2319 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2320 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2321 non-NOTE_DURING_CALL_P insn.
2323 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2326 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2328 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2331 * gcc.c (switch_matches) Support switches with separated form,
2334 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2336 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2338 (RAMPZ_ADDR): Ditto.
2339 * config/avr/avr.c (avr_addr_t): New typedef.
2340 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2341 (avr_init_expanders): Initialize it.
2342 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2344 (expand_epilogue): Ditto.
2345 (avr_print_operand): Ditto.
2346 (avr_file_start): Ditto.
2347 (avr_emit_movmemhi): Ditto.
2349 2012-02-08 Richard Guenther <rguenther@suse.de>
2351 PR tree-optimization/46886
2352 * tree-flow.h (do_while_loop_p): Declare.
2353 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2354 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2356 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2358 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2359 always succeed for integers larger than a native word.
2361 2012-02-08 Richard Guenther <rguenther@suse.de>
2363 PR rtl-optimization/52170
2364 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2365 properly handle integer vector modes.
2367 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2369 PR gcov-profile/52150
2370 * coverage.c: Include target.h.
2371 (build_var): Call targetm.strip_name_encoding on the assembler name.
2372 Change one _ into . or $ if the target allows it.
2373 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2375 PR rtl-optimization/52139
2376 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2377 is a BARRIER after emit_insn_after_noloc, move BB_END
2378 to the last non-BARRIER insn before it.
2380 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2383 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2384 (mips_gimplify_va_arg_expr): Call it instead of
2385 std_gimplify_va_arg_expr.
2387 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2389 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2390 message for -mno-pointers-to-nested-function.
2392 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2395 * expr.c (get_inner_reference): If there is an offset, add a negative
2396 bit position to it (if any).
2398 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2400 PR rtl-optimization/52060
2401 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2402 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2403 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2404 and/or i0src_copy2 when needed.
2406 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2408 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2409 or LTOPLUGINSONAME if have_c.
2411 * config/freebsd-spec.h: Add comment about what macros can be defined
2413 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2414 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2417 2012-02-07 Richard Guenther <rguenther@suse.de>
2419 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2420 newline in -alias dumps.
2422 2012-02-07 Kai Tietz <ktietz@redhat.com>
2423 Dave Korn <dave.korn.cygwin@gmail.com>
2426 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2427 Take care that typinfo gets dllexport-attribute.
2429 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2432 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2433 if modifier < EXPAND_SUM call force_operand on the result.
2435 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2437 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2438 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2440 (epiphany_function_type): Replace types for specific interrupts with
2441 EPIPHANY_FUNCTION_INTERRUPT.
2442 (EPIPHANY_INTERRUPT_P): Update.
2443 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2444 New static function.
2445 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2446 <disinterrupt>: Affects type identity.
2447 (epiphany_handle_interrupt_attribute): Handle variable number of
2449 (epiphany_compute_function_type): Update for new
2450 epiphany_function_type definition.
2451 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2452 handlers with a longcall forwarder.
2453 (epiphany_start_function): Handle multiple interrupt arguments and/or
2454 forwarder_section attribute.
2456 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2459 2012-02-07 Alan Modra <amodra@gmail.com>
2462 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2465 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2467 PR tree-optimization/50969
2468 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2469 use vec_perm rather than vector_stmt.
2470 (vect_model_load_cost): Likewise.
2471 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2472 vec_perm to be the same as other vector statements.
2473 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2474 cost of vec_perm for TARGET_VSX.
2476 2012-02-06 Richard Guenther <rguenther@suse.de>
2478 PR tree-optimization/52115
2479 * tree-sra.c (access_has_replacements_p): New function.
2480 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2482 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2485 * trans-mem.c (expand_call_tm): Add an assertion.
2486 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2489 2012-02-06 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/50955
2492 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2493 raise cost of expressions that replace an address with an
2494 expression based on a different pointer.
2496 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2499 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2500 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2502 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2505 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2506 -Weffc++ and specify guidelines come from second edition.
2508 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2510 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2511 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2512 (call_direct_split, call_value_split, call_value_internal_direct)
2513 (call_value_direct_split, call_value_multiple_split): Use jal and
2514 jal_macro attributes.
2516 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2518 * reload1.c (reload_regs_reach_end_p): Replace with...
2519 (reload_reg_rtx_reaches_end_p): ...this function.
2520 (new_spill_reg_store): Update commentary.
2521 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2522 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2523 before setting new_spill_reg_store.
2524 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2525 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2526 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2527 for non-spill reload registers.
2529 2012-02-05 Ira Rosen <irar@il.ibm.com>
2531 PR tree-optimization/52091
2532 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2533 (vect_is_simple_use_1): Likewise.
2534 * tree-vect-loop.c (vectorizable_reduction): Update calls
2535 to vect_is_simple_use_1 and vect_is_simple_use.
2536 (vectorizable_live_operation): Likewise.
2537 * tree-vect-patterns.c (widened_name_p,
2538 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2539 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2540 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2541 vectorizable_shift,vectorizable_operation, vectorizable_store,
2542 vectorizable_load): Likewise.
2543 (vect_is_simple_cond): Add an argument, pass it to
2544 vect_is_simple_use_1.
2545 (vectorizable_condition): Update calls to vect_is_simple_cond,
2547 (vect_is_simple_use): Add an argument, the statement in which
2548 OPERAND is used. Check that if OPERAND's def stmt is a double
2549 reduction phi node, the use is a phi node too.
2550 (vect_is_simple_use_1): Add an argument, pass it to
2552 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2553 to vect_is_simple_use.
2555 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2557 PR rtl-optimization/52095
2558 * modulo-sched.c (dump_insn_locator): New function.
2559 (loop_canon_p, sms_schedule): Use it.
2561 PR rtl-optimization/52113
2562 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2563 even for decomposable shift/zext insns.
2565 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2566 Zdenek Dvorak <ook@ucw.cz>
2568 PR rtl-optimization/52092
2569 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2570 on get_iv_value result.
2572 2012-02-02 Andrew Pinski <apinski@cavium.com>
2576 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2578 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2581 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2583 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2585 PR rtl-optimization/49800
2586 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2587 (sched_finish): Call regstat_free_n_sets_and_refs.
2589 2012-02-02 Jia Liu <proljc@gmail.com>
2591 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2594 2012-02-02 Jan Hubicka <jh@suse.cz>
2595 Tom de Vries <tom@codesourcery.com>
2598 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2599 * varpool.c (varpool_analyze_pending_decls): Likewise.
2601 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2602 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2604 * config.gcc: Add cr16-* support.
2606 * doc/extend.texi: Document cr16 extensions.
2607 * doc/install.texi: Document cr16 install.
2608 * doc/invoke.texi: Document cr16 options.
2609 * doc/md.texi: Document cr16 constraints.
2611 * common/config/cr16/cr16-common.c: New file.
2612 * config/cr16/cr16.c: New file.
2613 * config/cr16/cr16.h: New file.
2614 * config/cr16/cr16.md: New file.
2615 * config/cr16/cr16.opt: New file.
2616 * config/cr16/cr16-protos.h: New file.
2617 * config/cr16/predicates.md: New file.
2618 * config/cr16/constraints.md: New file.
2619 * config/cr16/t-cr16: New file.
2621 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2624 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2625 that operands[2] is either immediate, or q_regs_operand.
2627 PR tree-optimization/52073
2628 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2629 a pattern stmt for pattern uses, ignore uses outside of the loop.
2631 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2633 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2634 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2635 (OUT_AS1, OUT_AS2): Remove.
2637 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2639 PR rtl-optimization/51374
2640 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2641 to cross other volatile_refs_p insns.
2643 2012-02-01 Richard Guenther <rguenther@suse.de>
2645 * doc/invoke.texi (fno-inline): Clarify documentation.
2646 (finline-small-functions): Likewise.
2647 (finline-functions): Likewise.
2648 * common.opt (finline): Adjust comment and documentation.
2649 (finline-small-functions): Clarify documentation.
2650 (finline-functions): Likewise.
2651 (finline-functions-called-once): Likewise.
2653 2012-02-01 Tristan Gingold <gingold@adacore.com>
2655 * c-typeck.c (composite_type): Keep mode for pointers.
2657 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2659 * function.h (regno_reg_rtx): Adjust comment.
2660 * reginfo.c (init_reg_modes_target): Only use the previous mode
2661 if it fits within one register. Remove MIPS comment.
2663 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2666 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2668 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2670 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2671 to srak instruction.
2673 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2675 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2677 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2682 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2684 2012-01-31 Richard Guenther <rguenther@suse.de>
2686 PR tree-optimization/51528
2687 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2690 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2695 * ree.c (add_removable_extension): Change def_map argument
2696 to unsigned *, store in def_map 1 + offset into *insn_list vector
2697 instead of pointers into the vector.
2698 (find_removable_extensions): Adjust caller.
2700 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2702 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2703 Transform all "* quoted-c-code" to { c-code }.
2704 Remove redundant test for "optimize" in combine patterns.
2705 Move (include "avr-dimode.md") to end of file.
2707 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2710 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2711 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2713 2012-01-30 Richard Guenther <rguenther@suse.de>
2715 PR tree-optimization/52028
2716 * tree-loop-distribution.c (ldist_gen): Properly update
2719 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2722 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2723 set_cur_line_info_table if not emitting debug info.
2725 PR tree-optimization/52046
2726 * tree-vect-patterns.c (check_bool_pattern): Give up if
2727 a comparison could throw.
2730 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2732 2012-01-30 Richard Guenther <rguenther@suse.de>
2734 PR tree-optimization/52045
2735 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2736 SSA form if cfgcleanup did anything.
2738 2012-01-30 Richard Guenther <rguenther@suse.de>
2740 PR tree-optimization/52045
2741 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2742 before computing final todo.
2744 2012-01-30 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/51528
2747 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2750 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2752 * df-problems.c (df_kill_notes): Check that the use refers
2753 to the note under examination.
2755 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2758 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2759 parameter and use short-lived pseudos.
2760 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2761 (sparc_expand_vector_init): Const-ify local variables and adjust
2762 calls to above functions.
2764 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2766 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2768 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2770 * doc/invoke.texi: Make usage of "compile time" and
2771 "run time"/"runtime" consistent throughout the file.
2773 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2775 * config/alpha/alpha.c (alpha_option_override): Default to
2776 full IEEE compliance mode for Go language.
2778 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2780 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2781 (LINK_SSP_SPEC): Define.
2783 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2786 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2789 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2791 * doc/invoke.texi: Correct hyphenation of "floating point",
2792 "double precision", and related terminology throughout the file.
2794 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2797 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2798 arm_general_register_operand predicate for operand 2 instead of
2801 2012-01-27 Ian Lance Taylor <iant@google.com>
2804 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2805 * builtins.c (expand_builtin_init_trampoline): Add onstack
2806 parameter. Change caller.
2807 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2808 * tree.c (build_common_builtin_nodes): Declare
2809 __builtin_init_heap_trampoline.
2811 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2813 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2814 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2815 * config/avr/avr.c: Ditto.
2816 (avr_regnames): Remove because unused.
2817 * config/avr/avr.md (*cpse.ne): New peephole.
2818 (*cpse.eq): New peephole from former cpse peepholes.
2820 2012-01-27 Michael Eager <eager@eagercon.com>
2822 * config/microblaze.c (microblaze_emit_compare): Correct
2823 test after pcmp instruction.
2825 2012-01-27 Richard Guenther <rguenther@suse.de>
2827 PR tree-optimization/52020
2828 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2830 2012-01-27 Richard Guenther <rguenther@suse.de>
2832 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2833 function non-const/pure.
2835 2012-01-27 Richard Guenther <rguenther@suse.de>
2837 PR tree-optimization/50444
2838 * tree-sra.c (build_ref_for_offset): Properly adjust the
2839 MEM_REF type for unaligned accesses.
2841 2012-01-27 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/50444
2844 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2845 (expand_assignment): Use it. Properly handle misaligned
2846 bases when expanding stores to component references.
2847 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2850 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2853 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2854 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2855 * tree-data-ref.c (find_data_references_in_loop): Make static.
2856 (compute_all_dependences): Change return type to bool. Bail out
2857 for too many datarefs in a loop. Move the hunk resetting the data
2858 dependences vector from ...
2859 (compute_data_dependences_for_loop): ... here. Account for
2860 compute_all_dependences returning false.
2861 (compute_data_dependences_for_bb): Likewise.
2862 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2863 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2865 2012-01-27 Richard Guenther <rguenther@suse.de>
2868 * expr.c (store_field): Use the alias-set of the scratch memory
2871 2012-01-27 Tom de Vries <tom@codesourcery.com>
2873 PR tree-optimization/51990
2874 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2876 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2878 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2881 * var-tracking.c (reverse_op): Don't add any reverse operation
2882 if V already has any constant locations.
2884 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2886 * doc/invoke.texi: Correct usage of "command line" (noun)
2887 vs "command-line" (adjective) throughout.
2889 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2891 * doc/invoke.texi (Language Independent Options): Move
2892 -Wcoverage-mismatch blurb from here....
2893 (Warning Options): ...to here.
2895 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2897 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2898 Set rs6000_always_hint to false for 476.
2900 2012-01-27 Matthias Klose <doko@ubuntu.com>
2902 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2904 * incpath.c (add_standard_paths): Likewise.
2906 2012-01-27 Richard Henderson <rth@redhat.com>
2908 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2909 * config/m68k/sync.md (atomic_test_and_set): Rename from
2910 sync_test_and_setqi and adjust the operands.
2911 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2912 and unconditionally enable.
2914 2012-01-27 Richard Henderson <rth@redhat.com>
2916 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2917 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2918 (ldstub): Rename from ldstubqi.
2919 (ldstub<I24MODE>): Remove.
2921 2012-01-27 Richard Henderson <rth@redhat.com>
2923 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2924 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2925 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2926 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2927 * doc/tm.texi: Rebuild.
2929 2012-01-27 Richard Henderson <rth@redhat.com>
2931 * optabs.c (gen_atomic_test_and_set): Remove default.
2932 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2934 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2936 PR rtl-optimization/51978
2937 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2938 (combine_reaching_defs): Likewise.
2939 (struct re_info): Remove.
2940 (add_removable_extension): Remove x and data arguments,
2941 add insn, insn_list and def_map. Use the arguments directly
2942 instead of using struct re_info.
2943 (find_removable_extensions): Don't call add_removable_extension
2944 through note_stores, instead just call it with single_set
2946 (find_and_remove_re): Pass curr_cand->expr instead of
2947 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2949 2012-01-26 Michael Matz <matz@suse.de>
2951 PR tree-optimization/46590
2952 * cfgexpand.c: Revert last change (r183305).
2953 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2955 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2956 checking for emptiness.
2958 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2961 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2962 non-addressable non-BLKmode base correctly.
2964 2012-01-26 Michael Matz <matz@suse.de>
2966 PR tree-optimization/48794
2967 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2968 regions referenced from RESX/EH_DISPATCH.
2970 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2972 * config/s390/s390.h: Make BRANCH_COST an option.
2973 * config/s390/s390.opt: New option -mbranch-cost.
2975 2012-01-26 Richard Henderson <rth@redhat.com>
2977 Revert 2012-01-24 change:
2978 * trans-mem.c (requires_barrier): Do not instrument thread local
2979 variables and emit save/restore for them.
2981 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2984 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2987 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2989 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2992 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2995 Rename __pgm to __flash.
2996 Rename __pgm1 to __flash1.
2997 Rename __pgm2 to __flash2.
2998 Rename __pgm3 to __flash3.
2999 Rename __pgm4 to __flash4.
3000 Rename __pgm5 to __flash5.
3001 Rename __pgmx to __memx.
3002 * doc/extend.texi (AVR Named Address Spaces)
3003 Rename address space names as indicated above.
3004 * config/avr/avr.c (avr_addrspace): Ditto.
3006 * config/avr/avr-protos.h
3007 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3008 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3009 * config/avr/predicates.md: Ditto.
3010 * config/avr/avr.c Ditto, and
3011 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3012 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3014 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3015 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3016 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3017 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3018 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3019 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3020 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3021 * config/avr/avr.c: Ditto.
3022 * config/avr/avr.md: Ditto.
3024 2012-01-25 Jason Merrill <jason@redhat.com>
3027 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3029 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3031 PR tree-optimization/51987
3032 * tree-data-ref.c (get_references_in_stmt): Handle references in
3033 non-volatile GIMPLE_ASM.
3035 2012-01-25 Richard Guenther <rguenther@suse.de>
3037 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3038 bases are dereferenced.
3040 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3042 PR rtl-optimization/48374
3043 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3045 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3047 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3048 compute_data_dependences_for_loop returns false.
3049 * tree-parloops.c (loop_parallel_p): Likewise.
3051 2012-01-25 Richard Guenther <rguenther@suse.de>
3053 * tree.h (get_pointer_alignment_1): Declare.
3054 * builtins.c (get_pointer_alignment_1): New function.
3055 (get_pointer_alignment): Use it.
3057 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3059 PR rtl-optimization/48308
3060 * combine.c (enum undo_kind): Add UNDO_LINKS.
3061 (struct undo): Add member l to other_contents and where.
3062 (do_SUBST_LINK): New.
3064 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3065 (undo_all): Handle UNDO_LINKS.
3067 2012-01-25 Richard Henderson <rth@redhat.com>
3069 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3072 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3074 * optabs.c (gen_atomic_test_and_set): Use each argument.
3076 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3078 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3079 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3080 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3081 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3082 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3083 TARGET_PAIRED_SINGLE_FLOAT.
3085 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3087 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3088 (in_struct, return_val): Remove MEM documentation.
3089 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3090 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3091 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3093 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3094 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3095 * expr.c (store_field): Likewise.
3096 * function.c (assign_stack_temp_for_type): Likewise.
3097 * ifcvt.c (noce_try_cmove_arith): Likewise.
3098 * reload1.c (reload): Likewise.
3099 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3100 (alpha_set_memflags): Likewise.
3101 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3103 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3105 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3107 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3108 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3109 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3111 * cselib.c (cselib_rtx_varies_p): Delete.
3112 (cselib_invalidate_mem): Update call to canon_true_dependence.
3113 * dse.c (record_store, check_mem_read_rtx): Likewise.
3114 (scan_reads_nospill): Likewise.
3115 * cse.c (check_dependence): Likewise.
3116 (cse_rtx_varies_p): Delete.
3117 * expr.c (safe_from_p): Update call to true_dependence.
3118 * ira.c (validate_equiv_mem_from_store): Likewise.
3119 (memref_referenced_p): Likewise.
3120 * postreload-gcse.c (find_mem_conflicts): Likewise.
3121 * sched-deps.c (sched_analyze_2): Likewise.
3122 * store-motion.c (load_kills_store): Likewise.
3123 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3124 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3125 (compute_transp): Update call to canon_true_dependence.
3127 2012-01-25 Richard Henderson <rth@redhat.com>
3129 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3130 (maybe_emit_atomic_test_and_set): New.
3131 (expand_sync_lock_test_and_set): Use it.
3132 (expand_atomic_test_and_set): Likewise.
3133 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3134 the implementation; clarify implementation defined details.
3135 * doc/md.texi (atomic_test_and_set): Document.
3137 2012-01-25 Richard Henderson <rth@redhat.com>
3139 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3141 2012-01-25 Richard Henderson <rth@redhat.com>
3144 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3145 to effect no-op split.
3147 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3150 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3151 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3152 (BT_FN_VOID_PTR_INT_SIZE): New.
3153 (BT_FN_UINT_UINT_VAR): Remove.
3154 (BT_FN_UINT32_UINT32_VAR): New.
3155 (BT_FN_DOUBLE_VPTR): Remove.
3156 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3158 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3159 (_ITM_changeTransactionMode): Same.
3160 (_ITM_memmoveRtWt): Change return type to void.
3161 (_ITM_memcpyRtWt): Same.
3162 (_ITM_memsetW): Same.
3163 (_ITM_RaRD): Change types to double.
3168 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3170 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3171 Patrick Marlier <patrick.marlier@gmail.com>
3173 * trans-mem.c (requires_barrier): Do not instrument thread local
3174 variables and emit save/restore for them.
3176 2012-01-24 Jason Merrill <jason@redhat.com>
3179 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3180 output static aliases.
3182 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3185 * common.opt (-pie, -shared, pie, shared): Change from Common to
3187 * gcc.c (display_help): Display help for -pie and -shared.
3189 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3192 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3193 Remove note on size/offset limitation.
3194 (AVR Variable Attributes): Add example how to read data located
3195 with progmem. Refer to named address spaces.
3196 * doc/invoke.texi (AVR Options): Fix typo.
3198 2012-01-24 Richard Guenther <rguenther@suse.de>
3200 Forward-port to trunk
3201 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3204 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3205 op0 isn't sufficiently aligned and there is movmisalignM
3206 insn for mode, use it to load op0 into a temporary register.
3208 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3211 * target.def (const_not_ok_for_debug_p): New hook.
3212 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3214 * doc/tm.texi: Regenerated.
3215 * dwarf2out.c (const_ok_for_output_1): If
3216 targetm.const_not_ok_for_debug_p returns true, fail.
3217 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3219 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3221 2012-01-23 Kai Tietz <ktietz@redhat.com>
3224 * config/i386/predicates.md (symbolic_operand): Allow
3225 UNSPEC_PCREL as PIC expression for lea.
3226 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3227 * config/i386/i386.c (ix86_delegitimize_address): Handle
3228 UNSPEC_PCREL for none-MEM, too.
3230 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3232 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3233 (ipa_tm_create_version_alias): Same.
3235 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3238 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3239 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3241 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3242 Patrick Marlier <patrick.marlier@gmail.com>
3243 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3246 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3247 simple_object_start_read.
3249 2012-01-23 Richard Guenther <rguenther@suse.de>
3252 PR tree-optimization/51895
3253 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3254 parameter decomposition into BLKmode components.
3256 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3258 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3259 fake variables for restrict-qualified pointers whose pointed-to type
3260 contains a placeholder.
3262 2012-01-23 Richard Guenther <rguenther@suse.de>
3264 PR tree-optimization/51949
3265 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3267 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3269 PR rtl-optimization/51933
3270 * ree.c (transform_ifelse): Return true right away if dstreg is
3271 already wider or equal to cand->mode.
3272 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3273 (make_defs_and_copies_lists): Remove defs_list and copies_list
3274 arguments, add state argument, just truncate state->work_list
3275 instead of always allocating and freeing the vector. Assert that
3276 get_defs succeeds instead of returning 2. Changed return type to bool.
3277 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3278 have ext_src_mode, see if it has been modified already with the
3279 right kind of extension and has been extended before from the
3280 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3281 just return true. Remember the original mode in state->modified array.
3282 (combine_reaching_defs): Add state argument. Don't allocate and
3283 free here def_list, copied_list and vec vectors, instead just
3284 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3285 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3286 Add state variable, clear vectors in it, initialize state.modified
3287 if needed. Free all the vectors at the end and state.modified too.
3288 Don't skip a candidate if the extension expression has been modified.
3290 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3293 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3294 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3295 (extra_options) interix.opt -> i386/interix.opt"
3296 (extra_objs):Add winnt-stubs.o
3297 * configure.ac: Add interix to target_os .comm on PE check.
3298 * configure: Regenerate.
3299 * config/interix3.h: Delete and move bits to..
3300 * config/interix.h: Delete and move bits to..
3301 * config/i386/i386-interix3.h: Delete and move bits to..
3302 * config/i386/i386-interix.h: ..here.
3303 (TARGET_CPU_DEFAULT): Remove redefinition.
3304 (TARGET_ASM_CONSTRUCTOR): Undefine.
3305 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3306 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3307 (PTRDIFF_TYPE): Define.
3308 (LONG_DOUBLE_TYPE_SIZE): Define.
3309 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3310 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3311 (TARGET_SECTION_TYPE_FLAGS): Define.
3312 (ASM_DECLARE_FUNCTION_NAME): Define.
3313 (ASM_OUTPUT_EXTERNAL): Define.
3314 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3315 (ASM_OUTPUT_ALIGNED_BSS): Define.
3316 (PCC_BITFIELD_TYPE_MATTERS): Define.
3317 (USE_CONST_SECTION): Define.
3318 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3319 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3320 (SUPPORTS_ONE_ONLY): Remove.
3321 (I386_PE_STRIP_ENCODING): Define.
3322 * config/interix.opt: Delete and move bits to..
3323 * config/i386/interix.opt: ..here. New.
3324 (mpe-aligned-commons): Add.
3325 * config/i386/t-interix: Add copyright header.
3326 (winnt-stubs.o): Add rule.
3328 2012-01-22 Jason Merrill <jason@redhat.com>
3331 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3332 for extra name aliases.
3334 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3336 PR rtl-optimization/51924
3337 * ree.c (combine_set_extension): Improve debugging message.
3338 (combine_reaching_defs): Likewise.
3339 (get_defs): Rename confusingly named variable.
3340 (find_and_remove_re): Skip a candidate if the extension expression has
3343 2012-01-21 Robert Millan <rmh@gnu.org>
3344 Gerald Pfeifer <gerald@pfeifer.com>
3346 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3347 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3349 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3351 PR tree-optimization/51914
3352 * tree-vect-stmts.c (vectorizable_conversion): For
3353 cvt_type && modifier == WIDEN, put temporary with cvt_type
3354 at the beginning of vec_dsts and set vec_dest to temporary
3357 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3359 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3361 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3363 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3364 * config/rs6000/rs6000.c: Likewise.
3366 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3369 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3370 output_move_double on a copy of operands array.
3372 2012-01-20 Cary Coutant <ccoutant@google.com>
3373 Dodji Seketeli <dodji@redhat.com>
3376 * dwarf2out.c (copy_declaration_context): Return ref to parent
3377 of declaration DIE, if necessary.
3378 (remove_child_or_replace_with_skeleton): Add new parameter; update
3379 caller. Place skeleton DIE under parent DIE of original declaration.
3380 Move call to copy_declaration_context to here ...
3381 (break_out_comdat_types): ... from here.
3383 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3385 PR rtl-optimization/51856
3386 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3389 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3392 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3393 hints for neon loads and stores.
3395 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3399 * doc/extend.texi (Named Address Spaces): Split into subsections.
3400 (AVR Named Address Spaces): New subsection.
3401 (M32C Named Address Spaces): New subsection.
3402 (RL78 Named Address Spaces): New subsection.
3403 (SPU Named Address Spaces): New subsection.
3404 (Variable Attributes): New anchor "AVR Variable Attributes".
3405 (AVR Variable Attributes): Rewrite and avoid wording
3406 "address space" in this context.
3407 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3408 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3409 (AVR Built-in Macros): New subsubsection therein.
3410 * doc/md.texi (AVR constraints): Remove "C04", "R".
3412 2012-01-20 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/51903
3415 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3416 when removing stmts.
3418 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3421 * config/arm/arm.c (arm_load_pic_register): Use
3422 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3423 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3424 (arm_pic_static_addr): Likewise.
3425 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3426 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3427 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3428 (pic_load_addr_unified): New.
3430 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3433 * function.c (instantiate_virtual_regs_in_insn): Use
3434 delete_insn_and_edges when removing a wrong asm insn.
3436 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3438 PR rtl-optimization/40761
3439 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3440 Add new member loop_num.
3441 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3442 (ira_build): Remove the parameter.
3444 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3445 (ira.c): Do not build CFG loops for one region allocation. Remove
3446 argument from ira_build call.
3448 * ira-build.c (init_loop_tree_node): New function.
3449 (create_loop_tree_nodes): Use it. Separate the case when CFG
3450 loops are not built.
3451 (more_one_region_p): Check current_loops.
3452 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3454 (add_loop_to_tree): Process loop equal to NULL too.
3455 (form_loop_tree): Separate the case when CFG loops are not built.
3456 Use explicitly number for the root.
3457 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3459 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3460 instead of loop->num.
3461 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3462 (mark_all_loops_for_removal): Ditto.
3463 (remove_unnecessary_regions): Separate the case when CFG loops
3465 (ira_build): Remove the parameter. Use explicit number of regions
3466 when CFG loops are not built.
3468 * ira-color.c (print_loop_title): Separate the case for the root node.
3469 Use loop_num instead of loop->num.
3470 (move_spill_restore): Use loop_num instead of loop->num.
3472 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3473 (change_loop): Ditto.
3474 (change_loop): Use loop_num instead of loop->num.
3476 * ira-lives.c (process_bb_node_lives): Ditto.
3478 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3480 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3482 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3485 * tree-mudflap.c (mf_artificial): New function.
3486 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3487 mx_register_decls, mudflap_enqueue_decl): Use it.
3490 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3491 numbers in the insn pattern.
3493 2012-01-19 Michael Matz <matz@suse.de>
3495 PR tree-optimization/46590
3496 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3497 use it in remembering which conflicts we already created.
3498 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3501 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3504 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3505 (merge_and_complain): Same.
3507 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3510 * config/initfini-array.h: Guard content of the header
3511 with #ifdef HAVE_INITFINI_ARRAY.
3512 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3513 Add initfini-array.h to tm_file here.
3514 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3515 * config.gcc: Don't add initfini-array.h to tm_file here.
3516 * configure: Regenerated.
3518 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3520 PR rtl-optimization/51505
3521 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3522 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3523 (df_note_bb_compute): Update the call to df_kill_notes.
3525 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3527 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3529 2012-01-18 Richard Guenther <rguenther@suse.de>
3531 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3532 of conversions to void *.
3534 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3535 Richard Sandiford <rdsandiford@googlemail.com>
3539 * optabs.h (simplify_expand_binop): Declare.
3540 * optabs.c (simplify_expand_binop): Make global.
3541 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3542 endian targets if the source cannot be exactly covered by word
3545 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3548 * hard-reg-set.h (struct hard_reg_set_container): New type.
3549 * target.h (struct hard_reg_set_container): Forward declare.
3550 * target.def (set_up_by_prologue): New target hook.
3551 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3552 * doc/tm.texi: Regenerated.
3553 * function.c (thread_prologue_and_epilogue_insns): Change
3554 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3555 Call targetm.set_up_by_prologue on it.
3556 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3557 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3559 2012-01-17 Nick Clifton <nickc@redhat.com>
3561 * config/rx/rx.c (rx_can_use_simple_return): New function.
3562 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3563 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3565 2012-01-17 Richard Guenther <rguenther@suse.de>
3568 * expr.c (expand_assignment): Take address-space information
3569 from the address operand of MEM_REF and TARGET_MEM_REF.
3570 (expand_expr_real_1): Likewise.
3572 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3574 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3575 reload dump is requested.
3577 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3580 * trans-mem.c (requires_barrier): Call may_be_aliased.
3582 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3584 PR tree-optimization/51877
3585 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3586 call arguments and fndecls compare equal, instead return false if they
3587 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3588 both SSA_NAMEs that are valueized the same, or they satisfy
3591 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3593 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3595 * configure: Regenerate.
3597 2012-01-16 Jan Hubicka <jh@suse.cz>
3601 * convert.c (convert_to_integer): Use fold_convert for
3602 converting an INTEGER_CST to integer type.
3604 2012-01-16 Jason Merrill <jason@redhat.com>
3607 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3609 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3612 * config/s390/s390.c (s390_chunkify_start): Don't skip
3613 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3614 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3615 If insn is followed by NOTE_INSN_VAR_LOCATION or
3616 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3617 Don't use location of note insns.
3619 PR tree-optimization/51865
3620 * tree-inline.c (tree_function_versioning): Call remap_decl
3621 on DECL_RESULT whenever it has VOID_TYPE_P type.
3623 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3625 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3626 for calls to locally-binding MIPS16 functions if only the return
3627 type uses float regs.
3629 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3630 Richard Sandiford <rdsandiford@googlemail.com>
3632 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3633 (SYMBOL_32_HIGH): Likewise.
3634 (mips_output_tls_reloc_directive): Declare.
3635 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3636 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3637 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3638 (mips_lo_relocs, mips_hi_relocs): Make extern.
3639 (mips16_stub_function): Move up file.
3640 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3641 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3642 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3643 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3644 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3645 (mips_get_tp): Add MIPS16 support.
3646 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3647 Generalize DTPREL and TPREL handling.
3648 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3649 Add MIPS16 TLS support.
3650 (mips_output_tls_reloc_directive): New function.
3651 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3652 * config/mips/predicates.md (symbolic_operand_with_high)
3653 (tls_reloc_operand): New predicates.
3654 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3655 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3656 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3657 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3658 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3659 (*tls_get_tp_mips16_call_<mode>): Likewise.
3661 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3663 PR rtl-optimization/51821
3664 * recog.c (peep2_find_free_register): Determine clobbered registers
3667 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3670 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3671 * config/avr/avr.c: Likewise.
3672 * config/avr/avr.h: Likewise.
3674 2012-01-13 Ian Lance Taylor <iant@google.com>
3677 * tree.h (TYPE_QUALS): Add cast to int.
3678 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3680 2012-01-13 Ian Lance Taylor <iant@google.com>
3682 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3683 comparing param_index to VEC_length result.
3685 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3687 * c-decl.c: Do not include tree-mudflap.h
3688 * tree-optimize.c: Likewise.
3689 * Makefile.in: Update dependencies.
3691 2012-01-13 Richard Guenther <rguenther@suse.de>
3694 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3695 variable-sized result always use RSO.
3697 2012-01-12 DJ Delorie <dj@redhat.com>
3699 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3700 pointer type, not just the default pointer type.
3702 2012-01-09 Richard Henderson <rth@redhat.com>
3703 Denis Chertykov <chertykov@gmail.com>
3706 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3707 * config/avr/avr.c (avr_can_eliminate): Simplify.
3708 (avr_initial_elimination_offset): Likewise.
3709 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3710 (expand_epilogue): Likewise.
3711 (avr_legitimize_address): Gut.
3712 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3713 (avr_hard_regno_nregs): New.
3714 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3715 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3716 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3717 add soft frame pointer.
3718 (CALL_USED_REGISTERS): Likewise.
3719 (REG_CLASS_CONTENTS): Likewise.
3720 (REGISTER_NAMES): Likewise.
3721 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3722 (HARD_FRAME_POINTER_REGNUM): New.
3723 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3724 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3725 remove the HARD_FRAME_POINTER self-elimination.
3727 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3730 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3731 DECL_EXTERNAL when checking for initializers of progmem variables.
3733 2012-01-12 Ira Rosen <irar@il.ibm.com>
3735 PR tree-optimization/51799
3736 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3737 that the last operation is a type demotion.
3739 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3741 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3742 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3744 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3747 * combine.c (distribute_notes): If i3 is a noreturn call,
3748 allow old_size to be equal to args_size and make sure the
3749 noreturn call gets REG_ARGS_SIZE note.
3750 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3751 on noreturn calls even when the delta is 0.
3753 2012-01-11 Nathan Sidwell <nathan@acm.org>
3755 * gcov.c (STRING_SIZE): Remove.
3756 (generate_results): Erase annotations for source files with no
3757 coverage information.
3759 (output_lines): Use it.
3761 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3763 * gimple.h (gimplify_body): Remove first argument.
3764 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3765 pointer set here, instead just pass DATA to walk_tree.
3766 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3767 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3768 (unvisit_body): Likewise, but with unmark_visited.
3769 (gimplify_body): Remove BODY_P argument and adjust.
3770 (gimplify_function_tree): Adjust call to gimplify_body.
3771 * omp-low.c (finalize_task_copyfn): Likewise.
3773 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3775 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3776 (build_function_type_skip_args): Delete.
3777 * tree.c (build_function_type_skip_args): Make static and add
3778 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3779 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3780 pass it to build_function_type_skip_args.
3781 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3782 (tree_function_versioning): Likewise.
3783 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3784 build_function_decl_skip_args.
3785 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3786 and pass it to build_function_decl_skip_args/tree_function_versioning.
3787 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3788 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3789 * trans-mem.c (ipa_tm_create_version): Likewise.
3790 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3791 * tree-inline.c (declare_return_variable): Remove always-true test.
3792 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3793 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3794 * ipa-split.c (split_function): Skip the return value for the split
3795 part if it doesn't return.
3797 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3799 PR tree-optimization/49642
3800 * ipa-split.c (forbidden_dominators): New variable.
3801 (check_forbidden_calls): New function.
3802 (dominated_by_forbidden): Likewise.
3803 (consider_split): Check for forbidden dominators.
3804 (execute_split_functions): Initialize and free forbidden
3805 dominators info; call check_forbidden_calls.
3807 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3809 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3811 2012-01-11 Nick Clifton <nickc@redhat.com>
3813 * config/rx/rx.md (return): Define pattern.
3815 2012-01-11 Richard Guenther <rguenther@suse.de>
3817 * doc/extend.texi (malloc attribute): Adjust according to
3820 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3821 Patrick Marlier <patrick.marlier@gmail.com>
3824 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3825 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3826 (ipa_tm_note_irrevocable): Same.
3827 (ipa_tm_scan_irr_block): Same.
3828 (ipa_tm_decrement_clone_counts): Same.
3829 (ipa_tm_scan_irr_function): Same.
3830 (ipa_tm_create_version_alias): Same.
3831 (ipa_tm_create_version): Same.
3832 (ipa_tm_transform_calls_redirect): Same.
3833 (ipa_tm_transform_calls): Same.
3834 (ipa_tm_transform_transaction): Same.
3835 (ipa_tm_execute): Same.
3837 2012-01-10 Richard Guenther <rguenther@suse.de>
3840 * opts.c (common_handle_option): Handle -Werror.
3842 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3844 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3847 2012-01-10 Jason Merrill <jason@redhat.com>
3849 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3852 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3854 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3855 supports R_386_TLS_GD_PLT reloc.
3856 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3857 supports R_386_TLS_LDM_PLT reloc.
3858 * configure: Regenerate.
3859 * config.in: Regenerate.
3861 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3864 Extend __pgmx semantics to linearize memory.
3865 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3866 determine if code comes inline or from libgcc.
3867 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3868 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3869 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3870 (movmemx_qi, movmemx_hi): New insns.
3871 (xload_<mode>_libgcc): Rewrite to new insn condition.
3872 (xload_<mode>): Remove insns.
3873 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3874 cases that don't satisfy avr_xload_libgcc_p().
3875 (avr_addr_space_convert): Allow converting in any direction.
3876 (avr_addr_space_subset_p): Return always true.
3877 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3878 (avr_emit_movmemhi): Ditto.
3879 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3880 (avr_out_movmem): Ditto.
3881 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3882 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3883 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3884 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3885 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3887 2012-01-10 Richard Guenther <rguenther@suse.de>
3889 PR tree-optimization/50913
3890 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3891 Require data-refs to be representable by Graphite with respect
3894 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3896 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3897 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3899 2012-01-10 Tom de Vries <tom@codesourcery.com>
3901 PR rtl-optimization/51271
3902 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3903 handling annulled branch.
3905 2012-01-10 Richard Henderson <rth@redhat.com>
3907 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3908 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3909 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3910 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3911 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3912 arm_expand_vec_perm_const): New.
3913 * config/arm/arm-protos.h: Update.
3914 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3915 (*neon_vswp<VDQX>): New.
3916 (neon_vcombine<VDX>): Use neon_split_vcombine.
3917 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3918 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3919 (vec_perm<VE>): New.
3921 2012-01-10 Richard Henderson <rth@redhat.com>
3923 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3924 use it if reload_completed.
3925 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3926 arm_output_asm_insn, arm_process_output_memory_barrier,
3927 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3928 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3929 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3930 arm_process_output_sync_insn, arm_output_sync_insn,
3931 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3932 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3933 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3934 (emit_unlikely_jump): New.
3935 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3936 (arm_split_atomic_op): New.
3937 * config/arm/arm-protos.h: Update.
3938 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3939 (struct arm_sync_generator): Remove.
3940 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3941 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3942 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3943 (VUNSPEC_LL, VUNSPEC_SC): New.
3944 (sync_result, sync_memory, sync_required_value, sync_new_value,
3945 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3946 (attr length): Don't use arm_sync_loop_insns.
3947 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3948 (movsfcc, movdfcc): Likewise.
3949 * config/arm/constraints.md (Ua): New.
3950 * config/arm/prediates.md (mem_noofs_operand): New.
3951 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3952 (sync_clobber, sync_t2_reqd): Remove.
3953 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3954 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3955 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3956 (arm_sync_compare_and_swap<SIDI>): Remove.
3957 (arm_sync_compare_and_swap<NARROW>): Remove.
3958 (arm_sync_lock_test_and_set<SIDI>): Remove.
3959 (arm_sync_lock_test_and_set<NARROW>): Remove.
3960 (arm_sync_new_<syncop><SIDI>): Remove.
3961 (arm_sync_new_<syncop><NARROW>): Remove.
3962 (arm_sync_new_nand<SIDI>): Remove.
3963 (arm_sync_new_nand<NARROW>): Remove.
3964 (arm_sync_old_<syncop><SIDI>): Remove.
3965 (arm_sync_old_<syncop><NARROW>): Remove.
3966 (arm_sync_old_nand<SIDI>): Remove.
3967 (arm_sync_old_nand<NARROW>): Remove.
3968 (*memory_barrier): Merge arm_output_memory_barrier.
3969 (atomic_compare_and_swap<QHSD>): New.
3970 (atomic_compare_and_swap<NARROW>_1): New.
3971 (atomic_compare_and_swap<SIDI>_1): New.
3972 (atomic_exchange<QHSD>): New.
3973 (cas_cmp_operand, cas_cmp_str): New.
3974 (atomic_op_operand, atomic_op_str): New.
3975 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3976 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3977 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3978 (arm_load_exclusive<NARROW>): New.
3979 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3980 (arm_store_exclusive<QHSD>): New.
3982 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3984 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3985 reload patterns if -mvsx-scalar-memory.
3987 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3988 generated, even -mno-vsx-scalar-double was used.
3989 (vsx_xscvdpsp_scalar): Likewise.
3990 (vsx_xscvspdp_scalar2): Likewise.
3992 2012-01-09 Tom de Vries <tom@codesourcery.com>
3993 Andrew Pinski <apinski@cavium.com>
3996 * reorg.c (fill_slots_from_thread): Don't speculate
3997 frame-related insns.
3999 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
4001 * sched-int.h (bb_note): Move to...
4002 * basic-block.h: ...here.
4003 * haifa-sched.c (bb_note): Move to...
4004 * cfgrtl.c: ...here.
4005 * function.c (next_block_for_reg): New function.
4006 (move_insn_for_shrink_wrap): Likewise.
4007 (prepare_shrink_wrap): Rewrite to use the above.
4009 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
4011 * gimple.c (is_gimple_non_addressable): Remove.
4012 * gimple.h: Remove is_gimple_non_addressable.
4013 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4014 is_gimple_non_addressable.
4015 * trans-mem.c (expand_assign_tm): Same.
4017 2012-01-09 Richard Guenther <rguenther@suse.de>
4019 PR tree-optimization/51775
4020 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4021 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4023 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4025 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4027 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4029 2012-01-09 Richard Guenther <rguenther@suse.de>
4031 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4033 2012-01-08 Jan Hubicka <jh@suse.cz>
4035 PR tree-optimize/51680
4036 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4037 on when known_vals needs to be computed; cleanup.
4039 2012-01-08 Jan Hubicka <jh@suse.cz>
4041 PR tree-optimize/51694
4042 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4044 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4046 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4047 for -std=c++98 and -std=c++11 too.
4049 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4051 * cfgloop.c (cancel_loop): Add free() of bbs array.
4053 2012-01-07 Jan Hubicka <jh@suse.cz>
4055 PR tree-optimization/51600
4056 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4057 that benefits small functions.
4059 2012-01-07 Jan Hubicka <jh@suse.cz>
4061 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4063 2012-01-07 Jan Hubicka <jh@suse.cz>
4065 PR tree-optimization/51680
4066 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4067 whose inlining reduce unit size.
4069 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4072 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4073 Add canonical node to containing_mem chain after the non-canonical
4074 one, even if there weren't any locs to propagate.
4075 (remove_useless_values): Keep only canonical values.
4076 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4077 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4078 canonicalize mem_chain elements that are not discarded.
4080 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4083 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4084 before emitting functions.
4086 PR gcov-profile/50127
4087 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4088 clear_aux_for_blocks.
4090 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4093 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4095 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4097 * c-decl.c (ext_block): Moved up.
4098 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4100 2012-01-06 Han Shen <shenhan@google.com>
4102 Translate built-in include paths for sysroot.
4103 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4104 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4106 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4107 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4109 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4110 control whether sysroot should be prepended to gxx include dir.
4112 * configure: Regenerate.
4114 2012-01-06 Torvald Riegel <triegel@redhat.com>
4116 PR rtl-optimization/51771
4117 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4118 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4120 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4122 PR tree-optimization/51315
4123 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4124 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4126 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4129 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4130 for shrp pattern. Correctly handle and fixup shift variable.
4131 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4133 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4136 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4137 note when !ACCUMULATE_OUTGOING_ARGS.
4139 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4141 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4143 (extract_range_from_unary_expr_1): Avoid useless computations.
4145 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4147 PR rtl-optimization/51767
4148 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4149 of jump_block and add an extra edge for degenerated asm gotos.
4152 * stmt.c (check_unique_operand_names): Don't ICE during error
4153 reporting if i is from labels chain.
4156 * profile.c (branch_prob): Split bbs that have exit edge
4157 and need a fake entry edge too.
4159 2012-01-05 Jan Hubicka <jh@suse.cz>
4162 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4165 2012-01-05 Richard Guenther <rguenther@suse.de>
4168 * tree-streamer-out.c (write_ts_optimization): New function.
4169 (streamer_write_tree_body): Call it.
4170 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4171 (streamer_read_tree_body): Call it.
4172 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4174 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4177 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4178 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4179 in_cleanup_point_expr before gimplify_stmt call and restore it
4181 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4182 in_cleanup_point_expr is false.
4184 2012-01-05 Richard Guenther <rguenther@suse.de>
4187 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4189 * toplev.c (process_options): Reject combining mudflap and LTO.
4190 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4192 2012-01-05 Richard Guenther <rguenther@suse.de>
4194 PR tree-optimization/51760
4195 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4197 (bit_value_unop): Handle UNDEFINED operands.
4198 (bit_value_binop): Likewise.
4200 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4202 * config/avr/avr.c (avr_replace_prefix): Remove.
4203 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4204 (avr_asm_function_rodata_section): Ditto.
4205 (avr_asm_select_section): Ditto.
4207 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4209 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4212 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4215 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4216 calls that have any non-fake successor edges.
4219 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4221 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4223 PR tree-optimization/51624
4224 * tree-sra.c (build_ref_for_model): When replicating a chain of
4225 COMPONENT_REFs, stop as soon as the offset would become negative.
4227 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4230 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4231 in .debug_loc on the floor.
4233 2012-01-04 Andrew Pinski <apinski@cavium.com>
4235 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4237 2012-01-04 Andrew Pinski <apinski@cavium.com>
4238 Adam Nemet <anemet@caviumnetworks.com>
4240 * config/mips/mips.md (size): Add SI and DI.
4241 (SIZE): New mode attribute.
4242 (U): New code attribute.
4243 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4244 (mips_lbux_<mode>): Delete.
4245 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4246 (mips_lhx): Use gen_mips_lhx_extsi.
4247 (mips_lhx_<mode>): Delete.
4249 (mips_l<size>x): New expand.
4250 (mips_lwx_<mode>): Delete.
4251 (mips_l<GPR:size>x_<P:mode>): New pattern.
4252 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4253 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4254 * config/mips/mips.c (mips_lx_address_p): New function.
4255 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4256 (dsp64): New availability predicate.
4257 (mips_builtins): Add an entry for __builtin_mips_ldx.
4258 * config/mips/mips.h (ISA_HAS_LBX): New define.
4259 (ISA_HAS_LBUX): Likewise.
4260 (ISA_HAS_LHX): Likewise.
4261 (ISA_HAS_LHUX): Likewise.
4262 (ISA_HAS_LWX): Likewise.
4263 (ISA_HAS_LWUX): Likewise.
4264 (ISA_HAS_LDX): Likewise.
4265 * doc/extend.texi (__builtin_mips_ldx): Document.
4267 2012-01-04 Tristan Gingold <gingold@adacore.com>
4269 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4270 when long pointers are used.
4271 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4272 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4273 (ia64-hp-*vms*): Remove.
4274 * config/vms/xm-vms64.h: Delete.
4276 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4279 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4281 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4283 * opts.c (finish_options): Remove duplicate sorry.
4285 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4288 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4291 2012-01-04 Richard Guenther <rguenther@suse.de>
4294 * tree.c (size_low_cst): New function.
4295 * tree.h (size_low_cst): Declare.
4296 * fold-const.c (fold_comparison): Use it to extract the low
4297 part of the POINTER_PLUS_EXPR offset.
4299 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4301 Fix clearing ZERO_REG
4302 * config/avr/avr.md (cc): Add alternative "ldi".
4303 (movqi_insn): Use it in cc attribute.
4304 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4305 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4306 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4308 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4310 * configure: Regenerate.
4312 2012-01-04 Richard Guenther <rguenther@suse.de>
4314 PR tree-optimization/49651
4315 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4316 (var_can_have_subvars): Use it.
4317 (get_constraint_for_1): Only consider subfields if there can be any.
4319 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4322 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4323 to its new canonical_cselib_val and the cselib_val was in
4324 first_containing_mem chain, but the canonical_cselib_val was not,
4325 add the latter into the chain.
4326 (cselib_invalidate_mem): Compare canonical_cselib_val of
4327 addr_list chain elt with v.
4330 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4331 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4333 (output_macinfo_op): Don't ggc_strdup fd->filename.
4334 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4335 then ggc_strdup it. Don't free inc->info or cur->info.
4336 (output_macinfo): Don't free ref->info or file->info.
4338 2012-01-03 Ira Rosen <irar@il.ibm.com>
4340 PR tree-optimization/51269
4341 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4342 first_niters a pointer.
4343 (slpeel_tree_peel_loop_to_edge): Likewise.
4344 (vect_do_peeling_for_loop_bound): Update call to
4345 slpeel_tree_peel_loop_to_edge.
4346 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4347 here. Remove it from the parameters list.
4348 (vect_do_peeling_for_alignment): Update calls and compute
4351 2012-01-03 Richard Guenther <rguenther@suse.de>
4353 PR tree-optimization/51070
4354 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4355 Properly handle calls.
4357 2012-01-03 Richard Guenther <rguenther@suse.de>
4359 PR tree-optimization/51692
4360 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4361 the LHS of allocation stmts.
4363 2012-01-03 Olivier Hainque <hainque@adacore.com>
4365 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4367 2012-01-03 Olivier Hainque <hainque@adacore.com>
4369 * collect2.c (main): In AIX specific computations for vector
4370 insertions, use CONST_CAST2 to cast from char ** to const char **.
4372 2012-01-03 Richard Guenther <rguenther@suse.de>
4375 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4376 the context of a limbo DIE when it does not already exist.
4378 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4380 PR tree-optimization/51719
4381 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4382 but direct call is, clear direct call's lhs and don't add fallthrough
4383 edge from dcall_bb to join_bb and PHIs.
4385 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4387 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4388 the instructions emitted by the pattern.
4389 ("*TDC_insn_<mode>"): Add comment.
4391 2012-01-03 Richard Guenther <rguenther@suse.de>
4394 * fold-const.c (fold_comparison): Properly canonicalize
4395 tree offset and HOST_WIDE_INT bit position.
4397 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4399 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4400 operands for extzv pattern.
4402 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4405 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4408 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4410 * doc/invoke.texi (-flto and related options): Copy-edit.
4412 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4414 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4416 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4418 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4421 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4423 * expr.h (move_by_pieces_ninsns): Declare.
4424 * expr.c (move_by_pieces_ninsns): Make external.
4425 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4426 (mips_store_by_pieces_p): Likewise.
4427 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4428 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4429 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4430 (mips_store_by_pieces_p): Likewise.
4432 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4434 * passes.c (register_one_dump_file): Free full_name.
4436 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4437 (calculate_elim_costs_all_insns): Free offsets_at and
4438 offsets_known_at at the end and clear the pointers.
4440 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4442 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4443 this option introduced in r180739.
4445 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4448 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4449 (tmake_file target=avr): Add avr/t-multilib.
4451 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4452 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4453 * config/avr/genmultilib.awk: New file.
4454 * config/avr/t-multilib: New auto-generated file.
4455 * config/avr/multilib.h: New auto-generated file.
4456 * config/avr/t-avr (AVR_MCUS): New variable.
4457 (genopt.sh): Use it.
4458 (s-mlib): Depend on t-multilib.
4459 (t-multilib, multilib.h): New dependencies.
4460 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4461 (MULTILIB_OPTIONS): Remove.
4462 (MULTILIB_MATCHES): Remove.
4463 (MULTILIB_DIRNAMES): Remove.
4464 (MULTILIB_EXCEPTIONS): Remove:
4465 * config/avr/genopt.sh: Don't use hard coded file name;
4466 pass AVR_MCUS from t-avr instead.
4468 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4470 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4472 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4474 Implement light-weight DImode support.
4475 * config/avr/avr-dimode.md: New file.
4476 * config/avr/avr.md: Include it.
4477 (adjust_len): Add plus64, compare64.
4478 (HIDI): Remove code iterator.
4479 (code_stdname): New code attribute.
4480 (rotx, rotsmode): Remove DI.
4481 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4483 * config/avr/avr-protos.h (avr_have_dimode): New.
4484 (avr_out_plus64, avr_out_compare64): New.
4485 * config/avr/avr.c (avr_out_compare): Handle DImode.
4486 (avr_have_dimode): New variable definition and initialization.
4487 (avr_out_compare64, avr_out_plus64): New functions.
4488 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4489 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4490 (avr_compare_pattern): Skip DImode comparisons.
4492 2012-01-02 Revital Eres <revital.eres@linaro.org>
4494 * ddg.c (def_has_ccmode_p): New function.
4495 (add_cross_iteration_register_deps,
4496 create_ddg_dep_from_intra_loop_link): Call it.
4498 2012-01-02 Richard Guenther <rguenther@suse.de>
4501 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4503 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4505 * gcc.c (process_command): Update copyright notice dates.
4506 * gcov.c (print_version): Likewise.
4507 * gcov-dump.c (print_version): Likewise.
4508 * mips-tfile.c (main): Likewise.
4509 * mips-tdump.c (main): Likewise.
4511 2012-01-01 Ira Rosen <irar@il.ibm.com>
4513 PR tree-optimization/51704
4514 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4515 a use is inside the basic block or loop before accessing its vect info.
4517 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4519 PR rtl-optimization/51069
4520 * cfgloopmanip.c (remove_path): Removing path making irreducible
4521 region unconditional makes BB part of the region.
4523 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4525 PR tree-optimization/51683
4526 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4527 calls with side-effects.
4528 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4530 Copyright (C) 2012 Free Software Foundation, Inc.
4532 Copying and distribution of this file, with or without modification,
4533 are permitted in any medium without royalty provided the copyright
4534 notice and this notice are preserved.