1 2012-05-15 Jakub Jelinek <jakub@redhat.com>
4 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
5 that operands[2] is either immediate, or q_regs_operand.
7 2012-05-15 Bin Cheng <bin.cheng@arm.com>
9 Backport r187139 from mainline.
10 2012-05-04 Bin Cheng <bin.cheng@arm.com>
12 PR rtl-optimization/52804
13 * reload1.c (reload_reg_reaches_end_p): Check whether successor
14 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
15 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
16 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
17 RELOAD_FOR_OUTADDR_ADDRESS.
19 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
22 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
23 generate target register for "load" class builtins.
26 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
29 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
30 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
31 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
32 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
33 (<sse>_movu<ssemodesuffix>): New expander.
34 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
35 (avx_movdqu<avxmodesuffix>): New expander.
36 (*sse2_movdqu): Rename from sse2_movdqu.
37 (sse2_movdqu): New expander.
39 2012-05-14 Jakub Jelinek <jakub@redhat.com>
41 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
42 lineno 1 the same as lineno 0 before first start file directive.
43 (optimize_macinfo_range): Likewise.
45 * dwarf2out.c (have_macinfo): Define.
46 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
47 attribute, don't force empty compilation unit and don't emit any
48 .debug_macinfo/.debug_macro section if macinfo_table is empty.
50 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
52 Backport from mainline
53 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
55 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
56 ORDERED and UNORDERED conditions.
58 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
60 * function.c (requires_stack_frame_p): If the function can throw
61 non-call exceptions, return true if the insn can throw internally.
63 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
65 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
66 DECL_ORIGINAL_TYPE if it is present.
68 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
70 Backport from 2012-05-12 mainline r187342.
73 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
74 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
75 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
76 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
77 (expand_prologue): Move initialization of cfun->machine->is_naked,
78 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
79 (avr_set_current_function): ...this new static function.
80 (TARGET_SET_CURRENT_FUNCTION): New define.
81 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
82 checking attributes of current_function_decl.
83 (avr_regs_to_save): Ditto.
84 (signal_function_p): Rename to avr_signal_function_p.
85 (interrupt_function_p): Rename to avr_interrupt_function_p.
87 * doc/extend.texi (Function Attributes): Better explanation of
88 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
91 2012-05-09 Matthias Klose <doko@ubuntu.com>
93 * gcc-ar.c (main): Don't check for execute bits for the plugin.
95 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
98 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
99 when a constant source operand matches an "I" constraint, the "no
100 CC0 change" applies to a register-destination only, not a
101 strict_low_part-destination.
103 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
105 Backport from mainline:
106 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
108 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
110 2012-05-07 Jakub Jelinek <jakub@redhat.com>
112 PR tree-optimization/53239
113 * tree-vrp.c (get_value_range): Set VR of
114 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
117 2012-05-07 Richard Guenther <rguenther@suse.de>
119 PR tree-optimization/53195
120 * tree-inline.c (setup_one_parameter): Properly add referenced
121 vars from the parameters new known value.
123 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
125 Backport from mainline:
126 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
129 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
132 2012-05-04 Ian Lance Taylor <iant@google.com>
134 * tree-vect-patterns.c (vect_single_imm_use): Correct return
135 values from false to NULL.
137 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
139 Backport from mainline
140 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
143 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
144 (TARGET_CMOV): Rename from TARGET_CMOVE.
145 (TARGET_CMOVE): New define.
146 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
147 Do not set TARGET_CMOVE here.
149 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
151 Backport from mainline:
153 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
155 PR tree-optimization/52633
156 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
157 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
158 (vect_recog_over_widening_pattern): Remove handling of code that was
159 already detected as over-widening pattern. Remove special handling
160 of "unsigned" cases. Instead, support general case of conversion
161 of the shift result to another type.
163 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
165 * tree-vect-patterns.c (vect_single_imm_use): New function.
166 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
167 (vect_recog_over_widening_pattern): Likewise.
168 (vect_recog_widen_shift_pattern): Likewise.
170 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
172 PR tree-optimization/52870
173 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
174 presumed pattern statement is within the same loop or basic block.
176 2012-05-04 Richard Guenther <rguenther@suse.de>
178 * common.opt (flto-report): Do not mark as Optimization.
180 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
183 * recog.c (constrain_operands): If extra constraints are present, also
184 accept pseudo-registers with equivalent memory locations during reload.
186 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
188 Backport from the mainline
189 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
192 * config/rs6000/rs6000.md (bswapdi splitters): If
193 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
194 default) is used, generate an alternate sequence that does not
195 depend on using indexed addressing.
197 2012-05-03 David S. Miller <davem@davemloft.net>
200 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
201 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
202 (sparc_emit_float_lib_cmp): Likewise.
204 2012-05-04 Martin Jambor <mjambor@suse.cz>
206 Backport from mainline
207 2012-05-02 Martin Jambor <mjambor@suse.cz>
210 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
211 of a variable when the contect is a function.
213 2012-05-03 Jakub Jelinek <jakub@redhat.com>
216 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
217 append program name to it and pass that as first argument
218 to make_relative_prefix. Always pass standard_libexec_prefix
219 as last argument to make_relative_prefix. If
220 make_relative_prefix returns NULL, fall back to
221 standard_libexec_prefix.
224 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
228 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
229 mode, return that mode.
231 2012-05-03 Richard Guenther <rguenther@suse.de>
233 PR tree-optimization/53144
234 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
236 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
237 with SSA name values.
238 (vn_reference_lookup_3): Adjust callers.
240 2012-05-02 Jakub Jelinek <jakub@redhat.com>
242 PR tree-optimization/53163
243 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
244 return value from compute_all_dependences.
246 PR rtl-optimization/53160
247 * ree.c (combine_reaching_defs): Handle the case where cand->insn
248 has been modified by ree pass already.
250 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
252 Backport from mainline
253 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
256 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
257 calls to cgraph_node_name in xstrdup.
258 (ipa_make_edge_direct_to_target): Ditto.
259 * tree-sra.c (convert_callers_for_node): Ditto.
260 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
261 * ipa-cp.c (perhaps_add_new_callers): Ditto.
262 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
263 (cgraph_materialize_all_clones): Ditto.
264 * ipa-inline.c (report_inline_failed_reason): Ditto.
265 (want_early_inline_function_p): Ditto.
266 (edge_badness): Ditto.
267 (update_edge_key): Ditto.
268 (flatten_function): Ditto.
270 (inline_always_inline_functions): Ditto.
271 (early_inline_small_functions): Ditto.
273 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
275 Backport from mainline
276 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
278 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
279 Introduce emul_name to select the right linker emulation for
280 powerpc64-*-freebsd*.
281 * configure: Regenerate.
282 * config.gcc: Add bits to support powerpc64-*-freebsd*.
283 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
284 * config/rs6000/freebsd64.h: New file.
285 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
287 (rs6000_savres_strategy): Likewise.
288 (rs6000_savres_routine_name): Likewise.
289 (rs6000_elf_file_end): Likewise.
290 * config/rs6000/t-freebsd64: New file.
291 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
292 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
294 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
296 Backport from mainline
297 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
300 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
302 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
304 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
305 predicate to discriminate types.
307 2012-04-27 Richard Guenther <rguenther@suse.de>
310 * convert.c (convert_to_integer): Avoid infinite recursion for
311 target-defined built-in types.
313 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
316 * config/cris/cris.md ("*andhi_lowpart_v32")
317 ("*andqi_lowpart_v32"): Change first input-only operand from
318 a (match_operand ...) to (match_dup 0). Drop alternatives with
319 const_int-matching constraints for redundancy.
320 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
321 three-operand alternative.
323 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
325 Backport from mainline
326 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
328 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
329 (*addsi_2_zext): Ditto.
330 (*add<mode>_3): Ditto.
331 (*addsi_3_zext): Ditto.
332 (*add<mode>_5): Ditto.
334 2012-04-25 Jakub Jelinek <jakub@redhat.com>
337 * c-typeck.c (set_nonincremental_init,
338 set_nonincremental_init_from_string): Pass true instead of false
339 as IMPLICIT to add_pending_init.
341 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
343 Backport from 2012-04-24 mainline r186768.
346 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
348 2012-04-24 Richard Guenther <rguenther@suse.de>
350 PR tree-optimization/53085
351 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
354 2012-04-24 Jakub Jelinek <jakub@redhat.com>
357 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
359 (output_addressed_constants): Likewise.
362 * varasm.c (get_section): Don't ICE for section conflicts with
363 built-in section kinds.
365 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
367 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
369 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
371 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
373 2012-04-23 Richard Guenther <rguenther@suse.de>
376 * c-typeck.c (build_binary_op): Fix typo.
378 2012-04-23 Jakub Jelinek <jakub@redhat.com>
380 PR tree-optimizations/52891
381 * tree-vect-patterns.c (adjust_bool_pattern): Use
382 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
383 but with non-standard precision.
385 2012-04-22 Ian Lance Taylor <iant@google.com>
387 * godump.c (go_output_typedef): Dump size of structs.
389 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
391 Backport from mainline:
393 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
394 hints for 'A' operand types.
396 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
398 Backport from 2012-04-19 mainline r186588.
401 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
404 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
406 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
408 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
411 * config/i386/sync.md (atomic_<code><mode>): Rename to
412 atomic_<logic><mode>.
414 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
416 Backport from mainline
417 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
420 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
421 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
422 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
423 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
424 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
425 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
426 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
427 gen_avx2_permvarv8sf.
429 2012-04-16 Martin Jambor <mjambor@suse.cz>
431 Backported from mainline
433 2012-04-13 Martin Jambor <mjambor@suse.cz>
436 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
437 fold_ctor_reference returns a zero constant.
439 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
441 Backported from mainline
442 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
444 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
445 and __ILP32__ for x32.
447 2012-04-13 Tom de Vries <tom@codesourcery.com>
449 Backport from mainline r186418.
451 2012-04-13 Tom de Vries <tom@codesourcery.com>
453 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
454 parameters vuse and vuse_escaped.
455 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
456 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
459 2012-04-13 Richard Guenther <rguenther@suse.de>
461 PR tree-optimization/52969
462 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
463 the condition for the COND_EXPR and handle predicate negation
464 by swapping the COND_EXPR arms.
466 2012-04-13 Richard Guenther <rguenther@suse.de>
469 * convert.c (convert_to_pointer): Remove special-casing of
472 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
474 Backport from mainline
475 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
478 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
479 the list of options to enable the FCFID instruction.
480 (TARGET_EXTRA_BUILTINS): Adjust comment.
482 2012-04-12 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/52943
485 * tree-chrec.h (chrec_is_positive): Remove.
486 * tree-scalar-evolution.c (chrec_is_positive): Move ...
487 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
488 Return false for a constant zero instead of negative.
489 (analyze_siv_subscript_cst_affine): Handle zero difference
490 in the initial condition explicitely.
492 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
495 * varasm.c (process_pending_assemble_externals): Set
496 pending_assemble_externals_processed true.
497 (assemble_external): Call assemble_external_real if the pending
498 assemble externals have been processed.
500 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
503 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
504 the DECL generated for the special GOT helper.
506 2012-04-06 Walter Lee <walt@tilera.com>
508 Backport from mainline
509 2012-03-07 Walter Lee <walt@tilera.com>
511 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
512 REG_CFA_* notes for the stack pointer.
513 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
514 EH_RETURN_STACKADJ_RTX.
515 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
516 generate REG_CFA_* notes for the stack pointer.
517 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
518 by EH_RETURN_STACKADJ_RTX.
520 2012-04-06 Matt Turner <mattst88@gmail.com>
522 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
524 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
526 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
527 of the destination isn't also a FP_REGS register.
529 2012-04-03 Richard Guenther <rguenther@suse.de>
531 Backport from mainline
532 2012-03-02 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/52406
535 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
536 (struct indices): Add unconstrained_base member.
537 (struct dr_alias): Remove unused vops member.
538 (DR_UNCONSTRAINED_BASE): New define.
539 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
540 add indices to allow their disambiguation. Make DR_BASE_OBJECT
541 be an artificial access that covers the whole indexed object,
542 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
543 plain decl base-objects to their MEM_REF variant.
544 (dr_may_alias_p): When the base-object of either data reference
545 has unknown size use only points-to information.
546 (compute_affine_dependence): Make dumps easier to read and
548 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
549 DR_REF when looking for packed references.
550 (vect_supportable_dr_alignment): Likewise.
552 2012-04-03 Richard Guenther <rguenther@suse.de>
554 Backport from mainline
555 2012-03-15 Richard Guenther <rguenther@suse.de>
558 * tree-data-ref.c (subscript_dependence_tester_1): Check
559 all dimensions for non-conflicting access functions.
561 2012-04-03 Richard Guenther <rguenther@suse.de>
563 Backport from mainline
564 2012-03-06 Richard Guenther <rguenther@suse.de>
567 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
569 2012-03-23 Richard Guenther <rguenther@suse.de>
571 PR tree-optimization/52678
572 * tree-vectorizer.h (struct _stmt_vec_info): Add
573 loop_phi_evolution_part member.
574 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
575 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
576 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
577 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
578 Use the cached evolution part and the PHI nodes value from
579 the loop preheader edge instead of re-analyzing the evolution.
581 2012-03-26 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/52701
584 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
585 compute and set the evolution part of PHI nodes.
587 2012-03-30 Richard Guenther <rguenther@suse.de>
589 PR tree-optimization/52754
590 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
591 propagate arbitrary addresses into really plain dereferences.
593 2012-04-03 Jakub Jelinek <jakub@redhat.com>
595 PR tree-optimization/52835
596 * tree-data-ref.c (build_rdg): Return NULL if
597 compute_data_dependences_for_loop failed.
599 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
601 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
602 (stmt_can_make_abnormal_goto): Use it.
603 (is_ctrl_altering_stmt): Likewise.
605 2012-03-31 Martin Jambor <mjambor@suse.cz>
607 Backported from mainline
608 2012-03-30 Martin Jambor <mjambor@suse.cz>
610 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
611 is a builtin_stack_save in a dominating BB.
613 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
615 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
616 crossing 128bit lane boundary.
618 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
620 Backported from mainline
621 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
624 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
626 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
627 * config/i386/i386.c: Include reload.h.
628 (ix86_legitimize_reload_address): New function.
630 2012-03-28 Martin Jambor <mjambor@suse.cz>
632 Backported from mainline
633 2012-03-27 Martin Jambor <mjambor@suse.cz>
636 * tree-sra.c (sra_modify_assign): Do not call
637 load_assign_lhs_subreplacements when working with an unscalarizable
640 2012-03-28 Jakub Jelinek <jakub@redhat.com>
643 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
644 __builtin_va_start to __builtin_next_arg if the latter is
645 builtin_decl_explicit_p rather than when it is not.
648 * tree-vect-generic.c (vector_element): Perform multiplication
649 for pos in bitsizetype type instead of idx type.
651 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
653 Backport from 2012-03-28 mainline r185910.
656 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
657 (avr_builtin_decl): New static function.
658 (struct avr_builtin_description, avr_bdesc): Move up.
659 Add GTY marker. Add field fndecl. Remove redundant field id.
660 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
661 (avr_expand_builtin): Code cleanup because .id is removed.
663 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
666 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
669 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
671 Backport from 2012-03-28 mainline r185907.
674 * config.gcc (tm_file): Remove avr/multilib.h.
676 * doc/invoke.texi (AVR Options): Adjust
677 documentation of -mtiny-stack.
679 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
680 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
681 * config/avr/t-avr: Remove generation of multilib.h.
682 * config/avr/t-multilib: Regenerate.
683 * config/avr/multilib.h: Remove.
684 * config/avr/avr.opt (-msp8): New option.
685 (avr_sp8): New variable.
686 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
687 * config/avr/avr.h (AVR_HAVE_SPH): New define.
688 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
689 (avr_device_to_sp8): New prototype.
690 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
691 (DRIVER_SELF_SPECS): New define.
692 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
693 __AVR_SP8__, __AVR_HAVE_SPH__.
694 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
695 AVR_HAVE_8BIT_SP to decide if SP_H is present.
696 (avr_file_start): Ditto.
698 2012-03-28 Jakub Jelinek <jakub@redhat.com>
701 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
702 instead of 8 in adjust_address.
704 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
706 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
707 of a unit before computing the offset in units.
709 2012-03-27 Richard Guenther <rguenther@suse.de>
712 * fold-const.c (try_move_mult_to_index): Handle &x.array more
715 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
718 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
720 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
723 * varasm.c: Include pointer-set.h.
724 (pending_assemble_externals_set): New pointer set.
725 (process_pending_assemble_externals): Destroy the pointer set.
726 (assemble_external): See if decl is in pending_assemble_externals_set,
727 and add it to pending_assemble_externals if necessary.
728 (init_varasm_once): Allocate pending_assemble_externals_set.
730 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
732 Backported from mainline
733 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
736 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
737 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
738 (vector_ltgt<mode>): Likewise.
739 (vector_ordered<mode>): Likewise.
740 (vector_unordered<mode>): Likewise.
741 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
743 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
745 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
748 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
750 Backported from mainline
751 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
755 * config/sh/sh.c (sh_register_move_cost): Increase cost between
756 GENERAL_REGS and FP_REGS for SImode.
758 2012-03-22 Jakub Jelinek <jakub@redhat.com>
761 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
762 on any new_local_var_chain vars declared during recursing on
763 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
765 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
767 Backport from 2012-03-22 mainline r185692.
770 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
771 (unspecv): Add UNSPECV_MEMORY_BARRIER.
772 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
773 (delay_cycles_1, delay_cycles_2): Ditto.
774 (delay_cycles_3, delay_cycles_4): Ditto.
775 (nopv, *nopv): Ditto.
776 (sleep, *sleep): Ditto.
779 Backport from 2012-03-21 mainline r185605.
781 PR rtl-optimization/52543
783 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
784 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
785 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
786 (avr_load_libgcc_p): Restrict to __flash loads.
787 (avr_out_lpm): Only handle 1-byte loads from __flash.
788 (avr_load_lpm): New function.
789 (avr_find_unused_d_reg): Remove.
790 (avr_out_lpm_no_lpmx): Remove.
791 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
792 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
793 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
794 (load_<mode>, load_<mode>_clobber): New insns.
795 (mov<mode>): For multi-byte move from non-generic
796 16-bit address spaces: Expand to load_<mode> resp.
798 (load<mode>_libgcc): Remove expander.
799 (split-lpmx): Remove split.
801 Backport from 2012-03-13 mainline r185329.
804 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
805 offset (size) to a value the insns can deal with.
806 (expand_epilogue): Ditto.
808 Backport from 2012-03-12 mainline r185256.
811 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
812 type from reg_class_t to enum reg_class.
813 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
815 Backport from 2012-03-12 mainline r185253.
818 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
819 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
820 r184615 from 2012-02-28.
822 Backport from 2012-03-08 mainline r185105.
824 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
825 for constants in [-63,63].
827 Backport from 2012-03-08 mainline r185100.
830 * config/avr/avr.c (avr_mem_clobber): New static function.
831 (avr_expand_delay_cycles): Add memory clobber operand to
832 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
833 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
834 (enable_interrupt, disable_interrupt): New expander.
835 (nopv, sleep, wdr): New expanders.
836 (delay_cycles_1): Add memory clobber.
837 (delay_cycles_2): Add memory clobber.
838 (delay_cycles_3): Add memory clobber.
839 (delay_cycles_4): Add memory clobber.
840 (cli_sei): New insn from former "enable_interrupt",
841 "disable_interrupt" with memory clobber.
842 (*wdt): New insn from former "wdt" with memory clobber.
843 (*nopv): Similar, but for "nopv".
844 (*sleep): Similar, but for "sleep".
846 Backport from 2012-03-07 mainline r185043.
849 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
851 Backport from 2012-03-07 mainline r185032.
854 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
855 to: RAMPZ, RAMPY, RAMPX, RAMPD.
856 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
858 Backport from 2012-03-07 mainline r185031.
861 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
863 * config/avr/avr.md (xload_8): Adjust insn length.
865 Backport from 2012-03-07 mainline r185030.
868 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
869 if RAMPZ affects reading from RAM.
871 Backport from 2012-03-05 mainline r184919.
873 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
875 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
877 Backport from mainline r185259.
880 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
881 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
883 2012-03-22 Jakub Jelinek <jakub@redhat.com>
885 Backported from mainline
886 2012-03-13 Jakub Jelinek <jakub@redhat.com>
889 * c-parser.c (c_parser_postfix_expression)
890 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
892 * config/i386/smmintrin.h: Avoid /* within a comment.
893 * config/i386/nmmintrin.h: Likewise.
895 2012-03-22 Richard Guenther <rguenther@suse.de>
897 * BASE-VER: Set to 4.7.1.
898 * DEV-PHASE: Set to prerelease.
900 2012-03-22 Release Manager
902 * GCC 4.7.0 released.
904 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
906 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
908 2012-03-15 Jakub Jelinek <jakub@redhat.com>
909 Andrew Pinski <apinski@cavium.com>
912 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
913 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
914 calls instead of __builtin_ir{int,ound}*.
916 2012-03-14 Jakub Jelinek <jakub@redhat.com>
919 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
922 2012-03-13 Joseph Myers <joseph@codesourcery.com>
924 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
925 Refer to GCC 4.7 version of c99status.html.
927 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
929 Backport from mainline
930 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
932 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
933 redefine to be NULL if the current bit-size is different from the
936 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
937 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
938 set the default tuning. Add asserts to make sure the cpu and tune
939 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
940 test whether the index is set, instead of > 0.
941 (rs6000_file_start): Do not reset the default cpu if the current
942 bit-size is different from the configured bit-size.
944 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
946 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
948 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
949 Update binutils references.
950 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
951 Update binutils reference.
952 Update Sun as/GNU ld caveat.
953 Document binutils largefile requirement for LTO plugin.
954 Remove reference to alternate libpthread.
956 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
958 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
960 (Specific, mips-sgi-irix6): Likewise.
962 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
964 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
965 * configure: Regenerate.
967 2012-03-07 Richard Henderson <rth@redhat.com>
969 * config/m68k/m68k.h (ISA_HAS_TAS): New.
970 * config/m68k/sync.md (atomic_test_and_set): Use it.
971 (atomic_test_and_set_1): Likewise.
973 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
976 * Makefile.in: Let install-gcc-ar depend on installdirs,
977 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
978 Don't double canonicalize if cross-compiling.
980 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
982 * trans-mem.c: New typedef for tm_region_p.
983 Define vector types for tm_region_p.
984 (tm_region_init): Replace region_worklist to a vector called
987 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
990 * trans-mem.c (tm_region_init): Use last_basic_block.
992 2012-03-05 Richard Henderson <rth@redhat.com>
995 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
996 * omp-low.c (expand_omp_atomic): Assume anything aligned to
997 BIGGEST_ALIGNMENT is aligned.
999 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1001 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1003 2012-03-05 Richard Henderson <rth@redhat.com>
1006 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1007 instead of calling negqi2 directly.
1009 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1011 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1012 (INTMAX_TYPE): Use it.
1013 (UINTMAX_TYPE): Likewise.
1014 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1015 (irix6_c_common_override_options): Declare.
1016 (C_COMMON_OVERRIDE_OPTIONS): Define.
1017 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1018 * config/mips/irix6-c.c: New file.
1019 * config/mips/t-irix6 (irix6-c.o): New target.
1020 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1023 2012-03-02 Richard Henderson <rth@redhat.com>
1025 * optabs.c (expand_atomic_test_and_set): Honor
1026 atomic_test_and_set_trueval even when atomic_test_and_set
1027 optab is not in use.
1029 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1031 Backport from mainline
1032 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1034 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1036 2012-03-02 Richard Guenther <rguenther@suse.de>
1038 * DEV-PHASE: Set to prerelease.
1040 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1042 * config.gcc (obsolete): Add all ARM targets using the FPA.
1043 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1044 * doc/install.texi: Avoid references to obsolete ARM ports.
1046 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1048 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1050 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1051 Joern Rennecke <joern.rennecke@embecosm.com>
1053 * doc/extend.texi: Expand and update information on interrupt
1054 attribute for Epiphany.
1056 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1058 * config/sh/sh-protos.h: Update copyright notice dates.
1059 * config/sh/sh.h: Likewise.
1060 * config/sh/sh.md: Likewise.
1061 * config/sh/constraints.md: Likewise.
1062 * config/sh/predicates.md: Likewise.
1064 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1066 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1067 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1069 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1071 * config/sh/constraints.md: Fix comment typo.
1073 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1076 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1077 unsigned HOST_WIDE_INT.
1078 (zvdep_imm64): Likewise.
1079 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1080 (vdepi_and): Likewise.
1081 Likewise for unamed 64-bit patterns.
1082 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1084 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1087 PR rtl-optimization/52417
1088 * cselib.c (cselib_any_perm_equivs): New variable.
1089 (cselib_reset_table): Check that it's not set when not
1090 preserving constants.
1091 (cselib_add_permanent_equiv): Set it.
1092 (cselib_have_permanent_equivalences): New.
1093 (cselib_init, cselib_finish): Reset it.
1094 * cselib.h (cselib_have_permanent_equivalences): Declare.
1095 * alias.c (get_addr): Restore earlier behavior when there
1096 aren't permanent equivalences.
1098 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1100 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1101 * config/v850/v850-modes.def: Fix copyright notice.
1103 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1105 * doc/extend.texi (AVR Built-in Functions): Document
1106 __builtin_avr_flash_segment.
1108 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1109 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1110 (*split.flash_segment): New insn-and-split.
1111 * config/avr/avr.c (avr_init_builtins): Add local variables:
1112 const_memx_void_node, const_memx_ptr_type_node,
1113 char_ftype_const_memx_ptr.
1115 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1117 PR tree-optimization/52445
1118 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1119 add ssa_name_ver, offset and size fields and change store field
1121 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1122 (add_or_mark_expr): Likewise. Only consider previous stores
1123 with the same size and offset.
1124 (nt_init_block): Only look at gimple_assign_single_p stmts,
1125 doesn't look at rhs2.
1127 2012-03-01 Richard Guenther <rguenther@suse.de>
1130 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1131 conversions from integral types to pointer types.
1133 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1135 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1136 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1137 unintentionally removed in r184616.
1139 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1141 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1144 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1145 Uros Bizjak <ubizjak@gmail.com>
1148 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1149 alternatives, add "e" constraint to the new last alternative
1150 and ! to last 3 alternatives.
1152 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1154 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1155 DW_AT_artificial attributes at the end of the processing.
1156 (gen_array_type_die): Likewise.
1157 (gen_enumeration_type_die): Likewise.
1158 (gen_struct_or_union_type_die): Likewise.
1159 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1162 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1165 * expr.c (expand_assignment): If doing misaligned store that doesn't
1166 cover all mode bits, perform a RMW cycle.
1168 PR tree-optimization/52429
1169 * tree-parloops.c (separate_decls_in_region_debug): Return early
1170 if var is LABEL_DECL.
1172 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1174 PR tree-optimization/52424
1175 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1176 calling dom_thread_across_edge.
1178 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1180 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1182 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1184 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1185 * config/avr/avr.c (avr_output_bld): Remove unused function.
1186 (avr_out_sbxx_branch): Use "%T" to print bit position.
1188 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1190 * config/avr/avr.md: Untabify.
1192 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1194 * config/avr/avr.md (eqne): New code iterator.
1195 (*dec-and-branchsi): Use it in text peephole's condition.
1196 (*dec-and-branchhi): Ditto.
1197 (*dec-and-branchqi): Ditto.
1199 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1202 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1203 the device does not have the skip-bug.
1205 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1207 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1208 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1209 -mpretend-cmove): New.
1211 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1214 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1215 doesn't count DEBUG_INSN refs.
1216 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1217 for DEBUG_INSN refs.
1219 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1223 2012-02-20 Richard Guenther <rguenther@suse.de>
1224 PR tree-optimization/52298
1225 * tree-vect-stmts.c (vectorizable_load): Properly use
1226 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1229 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1232 * gimple.h (gimple_in_transaction): New.
1233 (gimple_set_in_transaction): New.
1234 (struct gimple_statement_base): Add in_transaction field.
1235 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1237 (tree_ssa_lim_initialize): Compute transaction bits.
1238 * tree.h (compute_transaction_bits): Protoize.
1239 * trans-mem.c (tm_region_init): Use the heap to store BB
1241 (compute_transaction_bits): New.
1243 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1245 * gcc.c (display_help): Document --help=common and sort entries
1248 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1250 * doc/install.texi: Document check-$LANG specific shortcuts
1252 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1255 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1257 * config/arm/arm_neon.h: Regenerate.
1258 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1259 (neon_vcgeu): New insn.
1260 (neon_vcgtu): Likewise.
1261 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1262 (ops): Unsigned comparison intrinsics call a different
1265 2012-02-28 Richard Guenther <rguenther@suse.de>
1268 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1269 ordering for the VEC_CONCAT for two element vectors for
1270 V2SFmode, V2SImode and V2DImode.
1272 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1275 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1276 detecting big-endian triplets.
1278 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1280 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1281 mode if there is no type information available.
1283 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1285 PR tree-optimization/53207
1286 * doc/invoke.texi: Document as experimental and relying on graphite.
1288 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1290 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1291 of initializer to changes from r184614.
1293 2012-02-28 Richard Guenther <rguenther@suse.de>
1295 PR tree-optimization/52395
1296 * tree-sra.c (build_ref_for_offset): Also look at the base
1297 TYPE_ALIGN when figuring out the alignment of the replacement.
1299 2012-02-28 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/52402
1302 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1303 mis-aligned types when creating the accesses at the call site.
1305 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1307 * config/avr/builtins.def: New file.
1308 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1309 * config/avr/avr.c (enum avr_builtin_id): Use it.
1310 (avr_init_builtins): Use it. And use avr_bdesc.
1311 (bdesc_1arg): Remove.
1312 (bdesc_2arg): Remove.
1313 (bdesc_3arg): Remove.
1314 (struct avr_builtin_description): Add field n_args.
1315 (avr_bdesc): New static variable using builtins.def.
1316 (avr_expand_builtin): Use it.
1317 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1318 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1319 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1321 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1324 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1325 match only one single hard register with respective hard reg rtx.
1326 (movmemx_<mode>): Ditto.
1327 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1328 insn anatomy of movmem[x]_<mode>.
1329 (avr_out_movmem): Same for printing assembler and operand usage.
1331 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1335 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1336 address spaces located outside of device flash.
1338 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1339 (mcu_type_s): Add field n_flash.
1340 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1341 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1342 (AVR_MCU): Add N_FLASH argument.
1343 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1344 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1345 macro __FLASH<n> if that address space makes sense for the device.
1346 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1347 outside of target flash.
1348 (avr_asm_named_section): Ditto.
1349 (avr_asm_select_section): Ditto.
1350 (avr_addr_space_convert): Ditto.
1351 (avr_emit_movmemhi): Ditto.
1352 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1353 address space is outside of device flash.
1354 (avr_insert_attributes): Ditto.
1355 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1356 avr_current_arch->n_segments.
1358 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1361 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1363 (*movabs<mode>_2): Likewise.
1365 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1368 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1369 s_register_operand in the test instead of REG_P. Don't call
1370 gen_reg_rtx if it won't be used.
1372 PR tree-optimization/52376
1373 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1375 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1377 * ifcvt.c (noce_get_condition): Check condition variable is not
1378 small_register_classes_for_mode_p before accepting.
1380 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1382 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1384 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1387 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1388 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1390 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1392 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1394 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1396 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1398 * config/sh/predicates.md: Remove blank lines.
1399 * config/sh/sh.c: Fix typos in comments.
1400 * config/sh/constraints.md: Likewise.
1401 * config/sh/sh.md: Remove blank lines.
1402 Fix typos in comments. Use ;; as comment characters.
1404 2012-02-26 Walter Lee <walt@tilera.com>
1406 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1407 (replace_mov_pcrel_step2): Ditto.
1409 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1412 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1413 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1414 and locs that reference values newer than the non-canonical value
1415 at hand. Return the canonical value as a worst case.
1416 (memrefs_conflict_p): Walk canonical value's locs.
1419 * cselib.c (preserve_only_constants): Rename to...
1420 (preserve_constants_and_equivs): ... this. Split out...
1421 (invariant_or_equiv_p): ... this. Preserve plus expressions
1422 of other preserved expressions too.
1423 (cselib_reset_table): Adjust.
1424 * var-tracking.c (reverse_op): Use canonical value to build
1427 2012-02-23 Kai Tietz <ktietz@redhat.com>
1429 * config/i386/i386.c (ix86_delegitimize_address): Handle
1430 UNSPEC_PCREL plus displacement.
1432 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1435 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1436 to test for unusedness in st X addressing.
1438 2012-02-24 Richard Guenther <rguenther@suse.de>
1441 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1442 (is_gimple_reg_type): Move inline ...
1443 * gimple.h (is_gimple_reg_type): ... here.
1445 2012-02-24 Richard Guenther <rguenther@suse.de>
1448 * passes.c (execute_function_todo): When verifying SSA form
1449 verify gimple form first.
1450 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1452 2012-02-24 Richard Guenther <rguenther@suse.de>
1455 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1456 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1458 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1460 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1462 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1464 * tree-phinodes.c (make_phi_node): Mark static.
1465 * tree-flow.h (make_phi_node): Remove extern decl.
1466 * doc/gimple.texi (make_phi_node): Remove documentation.
1468 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1470 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1471 * tree-ssa-sccvn.c (print_scc): Ditto.
1473 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1475 * doc/passes.texi (Full redundancy elimination): Fix typo.
1477 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1479 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1481 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1484 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1486 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1489 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1491 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1493 * config/avr/avr.md (code_stdname): Add ior, xor.
1494 (xior): New code iterator.
1495 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1496 (*<code_stdname><mode>qi.byte1-3): Ditto.
1498 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1500 PR tree-optimization/52019
1501 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1504 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1506 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1507 HAVE_INITFINI_ARRAY to work around namespace pollution in
1508 certain versions of newlib system headers.
1509 * config.in: Regenerate.
1510 * configure: Regenerate.
1511 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1512 instead of HAVE_INITFINI_ARRAY.
1514 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1517 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1518 is not offsettable memory reference.
1520 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1523 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1524 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1526 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1528 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1529 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1531 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1533 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1534 library on Solaris 8 even without TLS support.
1535 * configure: Regenerate.
1537 2012-02-22 Richard Guenther <rguenther@suse.de>
1540 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1541 for GIMPLE_DEBUG stmts.
1543 2012-02-22 Martin Jambor <mjambor@suse.cz>
1546 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1547 according to the base object.
1549 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1551 PR rtl-optimization/50063
1552 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1553 and 2 (8-bit SP) in operand 2.
1554 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1555 setup to use movhi_sp_r instead of vanilla move to write SP.
1556 Adjust REG_CFA notes to superseed unspec.
1557 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1559 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1560 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1561 irq_state 1 (IRQ known to be on) here.
1563 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1565 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1567 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1568 assign_hard_reg): Likewise.
1570 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1572 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1574 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1577 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1578 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1580 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1582 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1583 prototype from here to...
1584 * config/avr/avr.h: ...here.
1586 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1589 * thumb2.md (thumb2_shiftsi3_short): Split register and
1590 immediate shifts. For register shifts tie operands 0 and 1.
1591 (peephole2 for above): Check that register-controlled shifts
1592 have suitably tied operands.
1594 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1597 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1598 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1599 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1600 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1601 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1602 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1603 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1604 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1605 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1606 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1607 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1608 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1609 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1610 bdver1_ssevector_avx256_unaligned_load,
1611 bdver1_ssevector_sse128_unaligned_load,
1612 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1613 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1614 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1615 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1616 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1617 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1618 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1619 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1620 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1621 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1622 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1623 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1624 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1625 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1626 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1627 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1628 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1629 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1630 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1631 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1632 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1633 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1634 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1635 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1636 bdver1_ssediv_double_load, bdver1_ssediv_double,
1637 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1638 Add "bdver2" attribute.
1640 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1642 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1643 default if possible and not specified otherwise.
1645 2012-02-21 Richard Guenther <rguenther@suse.de>
1648 * gimplify.c (create_tmp_from_val): Use the main variant type
1649 for the type of the temporary we create.
1651 2012-02-21 Richard Guenther <rguenther@suse.de>
1653 PR tree-optimization/52324
1654 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1655 do not gimplify a MEM_REF address operand if it is already
1658 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1660 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1661 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1663 2012-02-21 Richard Guenther <rguenther@suse.de>
1665 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1666 nested_in_vect_loop.
1668 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1670 PR tree-optimization/52318
1671 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1672 vdef also to non-pure/const call stmts in the sequence.
1674 2012-02-20 David S. Miller <davem@davemloft.net>
1676 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1677 don't use the "rd %pc" instruction on v9 for PIC register loads.
1679 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1682 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1683 in a transaction safe function.
1685 2012-02-20 Kai Tietz <ktietz@redhat.com>
1688 * stor-layout.c (place_field): Handle desired_align for
1691 2012-02-20 Richard Guenther <rguenther@suse.de>
1693 PR tree-optimization/52298
1694 * tree-vect-stmts.c (vectorizable_store): Properly use
1695 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1697 (vectorizable_load): Likewise.
1698 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1699 Access DR_STEP after ensuring it is not NULL.
1701 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1703 PR tree-optimization/52286
1704 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1705 optimization use double_int_to_tree instead of build_int_cst_wide,
1706 rewrite to use double_int vars.
1708 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1711 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1713 Remove -e 0 from $gcc_cv_ld invocation.
1714 Only use __GLIBC_PREREQ if defined.
1715 Enable on Solaris since Solaris 8 patch.
1716 (gcc_SUN_LD_VERSION): New macro.
1717 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1718 gcc_SUN_LD_VERSION for version number format.
1719 * configure: Regenerate.
1720 * varasm.c (get_elf_initfini_array_priority_section): Set
1721 SECTION_NOTYPE for non-default priority.
1722 Use get_section instead of get_unnamed_section to emit
1723 .init_array/.fini_array with default priority.
1725 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1727 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1728 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1729 (mips_start_unique_function, mips_output_mips16_rdhwr)
1730 (mips_code_end): New functions.
1731 (TARGET_ASM_CODE_END): Define.
1733 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1735 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1736 to stubs with non-sibling calls.
1738 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1740 * doc/invoke.texi (-fira-* options): Copy-edit.
1741 (ira-* parameters): Copy-edit.
1743 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1745 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1746 GCC coding conventions.
1748 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1750 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1751 when used as adjectives.
1753 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1755 * doc/invoke.texi: Clean up "that"/"which" confusion.
1757 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1759 * system.h: Poison SMALL_REGISTER_CLASSES
1760 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1761 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1763 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1765 PR tree-optimization/52285
1766 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1767 when deciding if a call is a tail call or tail recursion.
1769 2012-02-16 Kai Tietz <ktietz@redhat.com>
1771 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1772 interger-constant displacement for UNSPEC_PCREL.
1774 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1776 PR rtl-optimization/52208
1777 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1778 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1780 PR tree-optimization/52255
1781 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1782 loop->header has virtual PHI, but exit_e->dest doesn't, add
1783 virtual PHI to exit_e->dest and adjust all uses after the loop.
1786 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1787 children with clone_tree_hash, not after it.
1789 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1791 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1792 extended identifiers.
1794 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1797 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1798 a same_body_alias, also test whether e->callee isn't a former
1799 or current clone of the decl this is a same body alias of.
1801 PR translation/52264
1802 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1804 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1806 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1808 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1811 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1812 force_reg instead of copy_to_reg for better optimization. Force
1813 non-register or memory operands into a register.
1815 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1817 * extend.texi: Reserve upper bits of memory model for future use.
1819 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1820 Anatoly Sokolov <aesok@post.ru>
1821 Eric Weddington <eric.weddington@atmel.com>
1824 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1825 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1826 Rewrite initializers for .macro.
1827 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1828 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1829 atxmega32d4, atxmega32x1.
1830 avrxmega4: atxmega64a3, atxmega64d3.
1831 avrxmega5: atxmega64a1, atxmega64a1u.
1832 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1833 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1834 avrxmega7: atxmega128a1, atxmega128a1u.
1835 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1836 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1837 (struct base_arch_s): Rename reserved to xmega_p.
1838 Rename reserved2 to have_rampd.
1839 (AVR_XMEGA): New define.
1840 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1841 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1842 * config/avr/predicates.md (io_address_operand): Take into
1844 (low_io_address_operand): Ditto.
1845 (high_io_address_operand): Ditto.
1846 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1847 (enabled, movhi_sp_r): Use them.
1848 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1849 cpp_define_formatted to built-in define __AVR_ARCH__.
1850 (__AVR_XMEGA__): New built-in define.
1851 (__AVR_HAVE_RAMPD__): New built-in define.
1852 (__AVR_HAVE_RAMPX__): New built-in define.
1853 (__AVR_HAVE_RAMPY__): New built-in define.
1854 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1856 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1857 (avr_option_override): Initialize them.
1858 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1859 (avr_init_expanders): Initialize them. No more block several calls.
1860 (emit_push_sfr): New static function.
1861 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1863 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1864 (avr_print_operand): Print addreeses as symbols for
1865 RAMPX, RAMPY, RAMPD, CCP.
1866 (output_movhi): Handle AVR_XMEGA when writing to SP.
1867 (avr_out_movhi_mr_r_xmega): New static function.
1868 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1869 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1870 __RAMPD__, __CCP__ as needed.
1872 * config/avr/multilib.h: Regenerate.
1873 * config/avr/t-multilib: Regenerate.
1874 * config/avr/avr-tables.opt: Regenerate.
1876 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1878 PR tree-optimization/50561
1879 * graphite-flattening.c (lst_project_loop): Do not
1880 remove old scattering dimensions after flattening.
1881 (lst_do_flatten): Likewise.
1883 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1885 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1886 __builtin_avr_map8, __builtin_avr_map16.
1887 Document __builtin_avr_insert_bits.
1889 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1890 (insert_bits): New insn.
1891 (adjust_len.map_bits): Rename to insert_bits.
1892 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1893 * avr-protos.h (avr_out_map_bits): Remove.
1894 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1895 * config/avr/constraints.md (Cxf,C0f): New.
1896 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1897 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1898 New built-in define __BUILTIN_AVR_INSERT_BITS.
1899 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1900 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1901 (avr_move_bits): Rewrite.
1902 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1904 (avr_map_op_t): New typedef.
1905 (avr_map_op): New static variable.
1906 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1907 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1908 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1909 (bdesc_3arg, avr_expand_triop_builtin): New.
1910 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1911 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1912 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1913 (avr_map_equal_p, avr_map_sig_p): Remove.
1914 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1915 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1916 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1917 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1918 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1919 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1921 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1923 * config/c6x/c6x.md (reserve_cycles): New attribute.
1924 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1925 don't reserve functional units after the branch occurs.
1927 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1930 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1931 functions into non-tm_pure functions.
1933 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1936 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1937 (iterative_hash_canonical_type): Likewise.
1938 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1941 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1943 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1944 sched-group insn, it either remains alone or the entire list is pruned.
1946 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1948 * doc/install.texi (Prerequisites): Fix grammar.
1949 (Configuration): Likewise.
1951 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1953 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1954 MPC as part of GCC before describing configuring with --with-gmp etc.
1955 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1956 sources are present.
1958 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1961 * dwarf2out.c (clone_tree_hash): New function.
1962 (copy_decls_walk): Use it instead of clone_tree.
1964 2012-02-14 Richard Guenther <rguenther@suse.de>
1966 PR tree-optimization/52244
1967 PR tree-optimization/51528
1968 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1969 replacements for integral types.
1971 2012-02-14 Walter Lee <walt@tilera.com>
1973 * config.gcc: Handle tilegx and tilepro.
1974 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1976 Add HAVE_AS_TLS check for tilegx and tilepro.
1977 * configure: Regenerate.
1978 * doc/contrib.texi: Add Mat Hostetter and self.
1979 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1980 Document instruction intrinsics and network accessing intrinsics.
1981 (TILEPro Built-in Functions): New node. Document instruction
1982 intrinsics and network accessing intrinsics.
1983 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1984 (Specific, tilepro-*-linux*): Likewise.
1985 * doc/invoke.texi (TILE-Gx Options): New section.
1986 (TILEPro Options): New section.
1987 * doc/md.texi (TILE-Gx): New section.
1988 (TILEPro): New section.
1989 * common/config/tilegx/tilegx-common.c: New file.
1990 * common/config/tilepro/tilepro-common.c: New file.
1991 * config/tilegx/constraints.md: New file.
1992 * config/tilegx/linux.h: New file.
1993 * config/tilegx/mul-tables.c: New file.
1994 * config/tilegx/predicates.md: New file.
1995 * config/tilegx/sync.md: New file.
1996 * config/tilegx/t-tilegx: New file.
1997 * config/tilegx/tilegx-builtins.h: New file.
1998 * config/tilegx/tilegx-c.c: New file.
1999 * config/tilegx/tilegx-generic.md: New file.
2000 * config/tilegx/tilegx-modes.def: New file.
2001 * config/tilegx/tilegx-multiply.h: New file.
2002 * config/tilegx/tilegx-protos.h: New file.
2003 * config/tilegx/tilegx.c: New file.
2004 * config/tilegx/tilegx.h: New file.
2005 * config/tilegx/tilegx.md: New file.
2006 * config/tilegx/tilegx.opt: New file.
2007 * config/tilepro/constraints.md: New file.
2008 * config/tilepro/gen-mul-tables.cc: New file.
2009 * config/tilepro/linux.h: New file.
2010 * config/tilepro/mul-tables.c: New file.
2011 * config/tilepro/predicates.md: New file.
2012 * config/tilepro/t-tilepro: New file.
2013 * config/tilepro/tilepro-builtins.h: New file.
2014 * config/tilepro/tilepro-c.c: New file.
2015 * config/tilepro/tilepro-generic.md: New file.
2016 * config/tilepro/tilepro-modes.def: New file.
2017 * config/tilepro/tilepro-multiply.h: New file.
2018 * config/tilepro/tilepro-protos.h: New file.
2019 * config/tilepro/tilepro.c: New file.
2020 * config/tilepro/tilepro.h: New file.
2021 * config/tilepro/tilepro.md: New file.
2022 * config/tilepro/tilepro.opt: New file.
2024 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2026 PR tree-optimization/52210
2027 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2028 vect_model_simple_cost with two entry vect_def_type array instead
2029 of an address of dt.
2031 2012-02-14 Richard Guenther <rguenther@suse.de>
2034 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2035 Do not stream DECL_QUALIFIER.
2036 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2037 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2038 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2040 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2043 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2046 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2049 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2050 * cselib.c (cselib_subst_to_values_from_insn): New function.
2051 * sched-deps.c (add_insn_mem_dependence,
2052 sched_analyze_1, sched_analyze_2): Use it.
2054 2012-02-13 Jan Hubicka <jh@suse.cz>
2057 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2059 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2061 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2062 (GTM_SELF_SPECS): Define if not already defined.
2063 (driver_self_specs): Add GTM_SELF_SPECS.
2064 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2065 (GTM_SELF_SPECS): Define.
2066 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2067 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2069 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2071 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2074 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2077 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2078 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2080 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2083 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2085 2012-02-13 Richard Guenther <rguenther@suse.de>
2087 PR translation/52211
2088 * passes.c (enable_disable_pass): Fix typo.
2090 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2093 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2094 XOR for reduce_bit_field if type is unsigned.
2096 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2098 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2099 disallow changes from SFmode to mode with different size in FP regs.
2101 2012-02-12 Robert Millan <rmh@gnu.org>
2102 Gerald Pfeifer <gerald@pfeifer.com>
2104 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2107 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2109 PR rtl-optimization/52175
2110 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2111 to frame-related instructions.
2113 2012-02-10 Jason Merrill <jason@redhat.com>
2116 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2117 (demangle_new_symbols): Fill it.
2118 (scan_linker_output): Walk it.
2119 (start_tweaking): Split out from scan_linker_output.
2120 (maybe_tweak): Update sym->chosen.
2121 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2123 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2126 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2128 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2130 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2131 having the same mode as previous compare.
2133 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2135 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2136 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2137 (nonlocal_goto_internal): Likewise.
2138 (nonlocal_goto): Emit a use and an indirect jump directly.
2140 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2143 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2144 __atomic_{is,always}_lock_free.
2146 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2149 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2150 negative constant address for x32.
2152 2012-02-10 Richard Henderson <rth@redhat.com>
2154 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2155 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2156 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2158 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2159 Ira Rosen <irar@il.ibm.com>
2161 PR tree-optimization/50031
2162 * targhooks.c (default_builtin_vectorization_cost): Handle
2164 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2165 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2166 all types of reduction and pattern statements.
2167 (vect_estimate_min_profitable_iters): Likewise.
2168 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2169 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2170 for explicit realigns.
2171 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2172 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2174 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2175 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2176 vec_perm for VSX and handle vec_promote_demote.
2178 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2181 * builtins.c (fold_builtin_atomic_always_lock_free,
2182 expand_builtin_atomic_always_lock_free,
2183 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2184 Return and/or test boolean_true_node/boolean_false_node instead of
2185 integer_one_node/integer_zero_node.
2187 2012-02-10 Jan Hubicka <jh@suse.cz>
2190 * predict.c (predict_paths_for_bb): Prevent looping.
2191 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2193 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2195 * config/arm/arm.c (output_move_double): In one case properly
2196 count number of instructions that will be emitted.
2198 2012-02-10 Richard Guenther <rguenther@suse.de>
2200 PR translation/52193
2201 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2203 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2206 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2208 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2211 * var-tracking.c (emit_note_insn_var_location): If
2212 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2213 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2214 non-NOTE_DURING_CALL_P insn.
2216 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2219 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2221 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2224 * gcc.c (switch_matches) Support switches with separated form,
2227 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2229 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2231 (RAMPZ_ADDR): Ditto.
2232 * config/avr/avr.c (avr_addr_t): New typedef.
2233 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2234 (avr_init_expanders): Initialize it.
2235 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2237 (expand_epilogue): Ditto.
2238 (avr_print_operand): Ditto.
2239 (avr_file_start): Ditto.
2240 (avr_emit_movmemhi): Ditto.
2242 2012-02-08 Richard Guenther <rguenther@suse.de>
2244 PR tree-optimization/46886
2245 * tree-flow.h (do_while_loop_p): Declare.
2246 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2247 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2249 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2251 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2252 always succeed for integers larger than a native word.
2254 2012-02-08 Richard Guenther <rguenther@suse.de>
2256 PR rtl-optimization/52170
2257 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2258 properly handle integer vector modes.
2260 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2262 PR gcov-profile/52150
2263 * coverage.c: Include target.h.
2264 (build_var): Call targetm.strip_name_encoding on the assembler name.
2265 Change one _ into . or $ if the target allows it.
2266 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2268 PR rtl-optimization/52139
2269 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2270 is a BARRIER after emit_insn_after_noloc, move BB_END
2271 to the last non-BARRIER insn before it.
2273 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2276 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2277 (mips_gimplify_va_arg_expr): Call it instead of
2278 std_gimplify_va_arg_expr.
2280 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2282 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2283 message for -mno-pointers-to-nested-function.
2285 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2288 * expr.c (get_inner_reference): If there is an offset, add a negative
2289 bit position to it (if any).
2291 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2293 PR rtl-optimization/52060
2294 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2295 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2296 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2297 and/or i0src_copy2 when needed.
2299 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2301 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2302 or LTOPLUGINSONAME if have_c.
2304 * config/freebsd-spec.h: Add comment about what macros can be defined
2306 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2307 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2310 2012-02-07 Richard Guenther <rguenther@suse.de>
2312 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2313 newline in -alias dumps.
2315 2012-02-07 Kai Tietz <ktietz@redhat.com>
2316 Dave Korn <dave.korn.cygwin@gmail.com>
2319 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2320 Take care that typinfo gets dllexport-attribute.
2322 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2325 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2326 if modifier < EXPAND_SUM call force_operand on the result.
2328 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2330 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2331 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2333 (epiphany_function_type): Replace types for specific interrupts with
2334 EPIPHANY_FUNCTION_INTERRUPT.
2335 (EPIPHANY_INTERRUPT_P): Update.
2336 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2337 New static function.
2338 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2339 <disinterrupt>: Affects type identity.
2340 (epiphany_handle_interrupt_attribute): Handle variable number of
2342 (epiphany_compute_function_type): Update for new
2343 epiphany_function_type definition.
2344 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2345 handlers with a longcall forwarder.
2346 (epiphany_start_function): Handle multiple interrupt arguments and/or
2347 forwarder_section attribute.
2349 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2352 2012-02-07 Alan Modra <amodra@gmail.com>
2355 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2358 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2360 PR tree-optimization/50969
2361 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2362 use vec_perm rather than vector_stmt.
2363 (vect_model_load_cost): Likewise.
2364 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2365 vec_perm to be the same as other vector statements.
2366 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2367 cost of vec_perm for TARGET_VSX.
2369 2012-02-06 Richard Guenther <rguenther@suse.de>
2371 PR tree-optimization/52115
2372 * tree-sra.c (access_has_replacements_p): New function.
2373 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2375 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2378 * trans-mem.c (expand_call_tm): Add an assertion.
2379 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2382 2012-02-06 Richard Guenther <rguenther@suse.de>
2384 PR tree-optimization/50955
2385 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2386 raise cost of expressions that replace an address with an
2387 expression based on a different pointer.
2389 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2392 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2393 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2395 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2398 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2399 -Weffc++ and specify guidelines come from second edition.
2401 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2403 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2404 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2405 (call_direct_split, call_value_split, call_value_internal_direct)
2406 (call_value_direct_split, call_value_multiple_split): Use jal and
2407 jal_macro attributes.
2409 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2411 * reload1.c (reload_regs_reach_end_p): Replace with...
2412 (reload_reg_rtx_reaches_end_p): ...this function.
2413 (new_spill_reg_store): Update commentary.
2414 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2415 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2416 before setting new_spill_reg_store.
2417 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2418 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2419 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2420 for non-spill reload registers.
2422 2012-02-05 Ira Rosen <irar@il.ibm.com>
2424 PR tree-optimization/52091
2425 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2426 (vect_is_simple_use_1): Likewise.
2427 * tree-vect-loop.c (vectorizable_reduction): Update calls
2428 to vect_is_simple_use_1 and vect_is_simple_use.
2429 (vectorizable_live_operation): Likewise.
2430 * tree-vect-patterns.c (widened_name_p,
2431 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2432 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2433 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2434 vectorizable_shift,vectorizable_operation, vectorizable_store,
2435 vectorizable_load): Likewise.
2436 (vect_is_simple_cond): Add an argument, pass it to
2437 vect_is_simple_use_1.
2438 (vectorizable_condition): Update calls to vect_is_simple_cond,
2440 (vect_is_simple_use): Add an argument, the statement in which
2441 OPERAND is used. Check that if OPERAND's def stmt is a double
2442 reduction phi node, the use is a phi node too.
2443 (vect_is_simple_use_1): Add an argument, pass it to
2445 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2446 to vect_is_simple_use.
2448 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2450 PR rtl-optimization/52095
2451 * modulo-sched.c (dump_insn_locator): New function.
2452 (loop_canon_p, sms_schedule): Use it.
2454 PR rtl-optimization/52113
2455 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2456 even for decomposable shift/zext insns.
2458 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2459 Zdenek Dvorak <ook@ucw.cz>
2461 PR rtl-optimization/52092
2462 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2463 on get_iv_value result.
2465 2012-02-02 Andrew Pinski <apinski@cavium.com>
2469 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2471 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2474 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2476 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2478 PR rtl-optimization/49800
2479 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2480 (sched_finish): Call regstat_free_n_sets_and_refs.
2482 2012-02-02 Jia Liu <proljc@gmail.com>
2484 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2487 2012-02-02 Jan Hubicka <jh@suse.cz>
2488 Tom de Vries <tom@codesourcery.com>
2491 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2492 * varpool.c (varpool_analyze_pending_decls): Likewise.
2494 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2495 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2497 * config.gcc: Add cr16-* support.
2499 * doc/extend.texi: Document cr16 extensions.
2500 * doc/install.texi: Document cr16 install.
2501 * doc/invoke.texi: Document cr16 options.
2502 * doc/md.texi: Document cr16 constraints.
2504 * common/config/cr16/cr16-common.c: New file.
2505 * config/cr16/cr16.c: New file.
2506 * config/cr16/cr16.h: New file.
2507 * config/cr16/cr16.md: New file.
2508 * config/cr16/cr16.opt: New file.
2509 * config/cr16/cr16-protos.h: New file.
2510 * config/cr16/predicates.md: New file.
2511 * config/cr16/constraints.md: New file.
2512 * config/cr16/t-cr16: New file.
2514 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2517 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2518 that operands[2] is either immediate, or q_regs_operand.
2520 PR tree-optimization/52073
2521 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2522 a pattern stmt for pattern uses, ignore uses outside of the loop.
2524 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2526 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2527 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2528 (OUT_AS1, OUT_AS2): Remove.
2530 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2532 PR rtl-optimization/51374
2533 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2534 to cross other volatile_refs_p insns.
2536 2012-02-01 Richard Guenther <rguenther@suse.de>
2538 * doc/invoke.texi (fno-inline): Clarify documentation.
2539 (finline-small-functions): Likewise.
2540 (finline-functions): Likewise.
2541 * common.opt (finline): Adjust comment and documentation.
2542 (finline-small-functions): Clarify documentation.
2543 (finline-functions): Likewise.
2544 (finline-functions-called-once): Likewise.
2546 2012-02-01 Tristan Gingold <gingold@adacore.com>
2548 * c-typeck.c (composite_type): Keep mode for pointers.
2550 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2552 * function.h (regno_reg_rtx): Adjust comment.
2553 * reginfo.c (init_reg_modes_target): Only use the previous mode
2554 if it fits within one register. Remove MIPS comment.
2556 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2559 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2561 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2563 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2564 to srak instruction.
2566 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2568 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2570 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2575 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2577 2012-01-31 Richard Guenther <rguenther@suse.de>
2579 PR tree-optimization/51528
2580 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2583 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2588 * ree.c (add_removable_extension): Change def_map argument
2589 to unsigned *, store in def_map 1 + offset into *insn_list vector
2590 instead of pointers into the vector.
2591 (find_removable_extensions): Adjust caller.
2593 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2595 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2596 Transform all "* quoted-c-code" to { c-code }.
2597 Remove redundant test for "optimize" in combine patterns.
2598 Move (include "avr-dimode.md") to end of file.
2600 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2603 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2604 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2606 2012-01-30 Richard Guenther <rguenther@suse.de>
2608 PR tree-optimization/52028
2609 * tree-loop-distribution.c (ldist_gen): Properly update
2612 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2615 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2616 set_cur_line_info_table if not emitting debug info.
2618 PR tree-optimization/52046
2619 * tree-vect-patterns.c (check_bool_pattern): Give up if
2620 a comparison could throw.
2623 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2625 2012-01-30 Richard Guenther <rguenther@suse.de>
2627 PR tree-optimization/52045
2628 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2629 SSA form if cfgcleanup did anything.
2631 2012-01-30 Richard Guenther <rguenther@suse.de>
2633 PR tree-optimization/52045
2634 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2635 before computing final todo.
2637 2012-01-30 Richard Guenther <rguenther@suse.de>
2639 PR tree-optimization/51528
2640 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2643 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2645 * df-problems.c (df_kill_notes): Check that the use refers
2646 to the note under examination.
2648 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2651 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2652 parameter and use short-lived pseudos.
2653 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2654 (sparc_expand_vector_init): Const-ify local variables and adjust
2655 calls to above functions.
2657 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2659 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2661 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2663 * doc/invoke.texi: Make usage of "compile time" and
2664 "run time"/"runtime" consistent throughout the file.
2666 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2668 * config/alpha/alpha.c (alpha_option_override): Default to
2669 full IEEE compliance mode for Go language.
2671 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2673 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2674 (LINK_SSP_SPEC): Define.
2676 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2679 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2682 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2684 * doc/invoke.texi: Correct hyphenation of "floating point",
2685 "double precision", and related terminology throughout the file.
2687 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2690 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2691 arm_general_register_operand predicate for operand 2 instead of
2694 2012-01-27 Ian Lance Taylor <iant@google.com>
2697 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2698 * builtins.c (expand_builtin_init_trampoline): Add onstack
2699 parameter. Change caller.
2700 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2701 * tree.c (build_common_builtin_nodes): Declare
2702 __builtin_init_heap_trampoline.
2704 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2706 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2707 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2708 * config/avr/avr.c: Ditto.
2709 (avr_regnames): Remove because unused.
2710 * config/avr/avr.md (*cpse.ne): New peephole.
2711 (*cpse.eq): New peephole from former cpse peepholes.
2713 2012-01-27 Michael Eager <eager@eagercon.com>
2715 * config/microblaze.c (microblaze_emit_compare): Correct
2716 test after pcmp instruction.
2718 2012-01-27 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/52020
2721 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2723 2012-01-27 Richard Guenther <rguenther@suse.de>
2725 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2726 function non-const/pure.
2728 2012-01-27 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/50444
2731 * tree-sra.c (build_ref_for_offset): Properly adjust the
2732 MEM_REF type for unaligned accesses.
2734 2012-01-27 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/50444
2737 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2738 (expand_assignment): Use it. Properly handle misaligned
2739 bases when expanding stores to component references.
2740 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2743 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2746 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2747 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2748 * tree-data-ref.c (find_data_references_in_loop): Make static.
2749 (compute_all_dependences): Change return type to bool. Bail out
2750 for too many datarefs in a loop. Move the hunk resetting the data
2751 dependences vector from ...
2752 (compute_data_dependences_for_loop): ... here. Account for
2753 compute_all_dependences returning false.
2754 (compute_data_dependences_for_bb): Likewise.
2755 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2756 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2758 2012-01-27 Richard Guenther <rguenther@suse.de>
2761 * expr.c (store_field): Use the alias-set of the scratch memory
2764 2012-01-27 Tom de Vries <tom@codesourcery.com>
2766 PR tree-optimization/51990
2767 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2769 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2771 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2774 * var-tracking.c (reverse_op): Don't add any reverse operation
2775 if V already has any constant locations.
2777 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2779 * doc/invoke.texi: Correct usage of "command line" (noun)
2780 vs "command-line" (adjective) throughout.
2782 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2784 * doc/invoke.texi (Language Independent Options): Move
2785 -Wcoverage-mismatch blurb from here....
2786 (Warning Options): ...to here.
2788 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2790 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2791 Set rs6000_always_hint to false for 476.
2793 2012-01-27 Matthias Klose <doko@ubuntu.com>
2795 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2797 * incpath.c (add_standard_paths): Likewise.
2799 2012-01-27 Richard Henderson <rth@redhat.com>
2801 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2802 * config/m68k/sync.md (atomic_test_and_set): Rename from
2803 sync_test_and_setqi and adjust the operands.
2804 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2805 and unconditionally enable.
2807 2012-01-27 Richard Henderson <rth@redhat.com>
2809 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2810 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2811 (ldstub): Rename from ldstubqi.
2812 (ldstub<I24MODE>): Remove.
2814 2012-01-27 Richard Henderson <rth@redhat.com>
2816 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2817 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2818 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2819 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2820 * doc/tm.texi: Rebuild.
2822 2012-01-27 Richard Henderson <rth@redhat.com>
2824 * optabs.c (gen_atomic_test_and_set): Remove default.
2825 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2827 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2829 PR rtl-optimization/51978
2830 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2831 (combine_reaching_defs): Likewise.
2832 (struct re_info): Remove.
2833 (add_removable_extension): Remove x and data arguments,
2834 add insn, insn_list and def_map. Use the arguments directly
2835 instead of using struct re_info.
2836 (find_removable_extensions): Don't call add_removable_extension
2837 through note_stores, instead just call it with single_set
2839 (find_and_remove_re): Pass curr_cand->expr instead of
2840 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2842 2012-01-26 Michael Matz <matz@suse.de>
2844 PR tree-optimization/46590
2845 * cfgexpand.c: Revert last change (r183305).
2846 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2848 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2849 checking for emptiness.
2851 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2854 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2855 non-addressable non-BLKmode base correctly.
2857 2012-01-26 Michael Matz <matz@suse.de>
2859 PR tree-optimization/48794
2860 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2861 regions referenced from RESX/EH_DISPATCH.
2863 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2865 * config/s390/s390.h: Make BRANCH_COST an option.
2866 * config/s390/s390.opt: New option -mbranch-cost.
2868 2012-01-26 Richard Henderson <rth@redhat.com>
2870 Revert 2012-01-24 change:
2871 * trans-mem.c (requires_barrier): Do not instrument thread local
2872 variables and emit save/restore for them.
2874 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2877 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2880 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2882 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2885 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2888 Rename __pgm to __flash.
2889 Rename __pgm1 to __flash1.
2890 Rename __pgm2 to __flash2.
2891 Rename __pgm3 to __flash3.
2892 Rename __pgm4 to __flash4.
2893 Rename __pgm5 to __flash5.
2894 Rename __pgmx to __memx.
2895 * doc/extend.texi (AVR Named Address Spaces)
2896 Rename address space names as indicated above.
2897 * config/avr/avr.c (avr_addrspace): Ditto.
2899 * config/avr/avr-protos.h
2900 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2901 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2902 * config/avr/predicates.md: Ditto.
2903 * config/avr/avr.c Ditto, and
2904 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2905 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2907 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2908 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2909 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2910 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2911 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2912 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2913 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2914 * config/avr/avr.c: Ditto.
2915 * config/avr/avr.md: Ditto.
2917 2012-01-25 Jason Merrill <jason@redhat.com>
2920 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2922 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2924 PR tree-optimization/51987
2925 * tree-data-ref.c (get_references_in_stmt): Handle references in
2926 non-volatile GIMPLE_ASM.
2928 2012-01-25 Richard Guenther <rguenther@suse.de>
2930 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2931 bases are dereferenced.
2933 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2935 PR rtl-optimization/48374
2936 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2938 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2940 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2941 compute_data_dependences_for_loop returns false.
2942 * tree-parloops.c (loop_parallel_p): Likewise.
2944 2012-01-25 Richard Guenther <rguenther@suse.de>
2946 * tree.h (get_pointer_alignment_1): Declare.
2947 * builtins.c (get_pointer_alignment_1): New function.
2948 (get_pointer_alignment): Use it.
2950 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2952 PR rtl-optimization/48308
2953 * combine.c (enum undo_kind): Add UNDO_LINKS.
2954 (struct undo): Add member l to other_contents and where.
2955 (do_SUBST_LINK): New.
2957 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2958 (undo_all): Handle UNDO_LINKS.
2960 2012-01-25 Richard Henderson <rth@redhat.com>
2962 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2965 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2967 * optabs.c (gen_atomic_test_and_set): Use each argument.
2969 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2971 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2972 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2973 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2974 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2975 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2976 TARGET_PAIRED_SINGLE_FLOAT.
2978 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2980 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2981 (in_struct, return_val): Remove MEM documentation.
2982 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2983 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2984 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2986 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2987 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2988 * expr.c (store_field): Likewise.
2989 * function.c (assign_stack_temp_for_type): Likewise.
2990 * ifcvt.c (noce_try_cmove_arith): Likewise.
2991 * reload1.c (reload): Likewise.
2992 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2993 (alpha_set_memflags): Likewise.
2994 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2996 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2998 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3000 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3001 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3002 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3004 * cselib.c (cselib_rtx_varies_p): Delete.
3005 (cselib_invalidate_mem): Update call to canon_true_dependence.
3006 * dse.c (record_store, check_mem_read_rtx): Likewise.
3007 (scan_reads_nospill): Likewise.
3008 * cse.c (check_dependence): Likewise.
3009 (cse_rtx_varies_p): Delete.
3010 * expr.c (safe_from_p): Update call to true_dependence.
3011 * ira.c (validate_equiv_mem_from_store): Likewise.
3012 (memref_referenced_p): Likewise.
3013 * postreload-gcse.c (find_mem_conflicts): Likewise.
3014 * sched-deps.c (sched_analyze_2): Likewise.
3015 * store-motion.c (load_kills_store): Likewise.
3016 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3017 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3018 (compute_transp): Update call to canon_true_dependence.
3020 2012-01-25 Richard Henderson <rth@redhat.com>
3022 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3023 (maybe_emit_atomic_test_and_set): New.
3024 (expand_sync_lock_test_and_set): Use it.
3025 (expand_atomic_test_and_set): Likewise.
3026 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3027 the implementation; clarify implementation defined details.
3028 * doc/md.texi (atomic_test_and_set): Document.
3030 2012-01-25 Richard Henderson <rth@redhat.com>
3032 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3034 2012-01-25 Richard Henderson <rth@redhat.com>
3037 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3038 to effect no-op split.
3040 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3043 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3044 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3045 (BT_FN_VOID_PTR_INT_SIZE): New.
3046 (BT_FN_UINT_UINT_VAR): Remove.
3047 (BT_FN_UINT32_UINT32_VAR): New.
3048 (BT_FN_DOUBLE_VPTR): Remove.
3049 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3051 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3052 (_ITM_changeTransactionMode): Same.
3053 (_ITM_memmoveRtWt): Change return type to void.
3054 (_ITM_memcpyRtWt): Same.
3055 (_ITM_memsetW): Same.
3056 (_ITM_RaRD): Change types to double.
3061 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3063 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3064 Patrick Marlier <patrick.marlier@gmail.com>
3066 * trans-mem.c (requires_barrier): Do not instrument thread local
3067 variables and emit save/restore for them.
3069 2012-01-24 Jason Merrill <jason@redhat.com>
3072 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3073 output static aliases.
3075 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3078 * common.opt (-pie, -shared, pie, shared): Change from Common to
3080 * gcc.c (display_help): Display help for -pie and -shared.
3082 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3085 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3086 Remove note on size/offset limitation.
3087 (AVR Variable Attributes): Add example how to read data located
3088 with progmem. Refer to named address spaces.
3089 * doc/invoke.texi (AVR Options): Fix typo.
3091 2012-01-24 Richard Guenther <rguenther@suse.de>
3093 Forward-port to trunk
3094 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3097 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3098 op0 isn't sufficiently aligned and there is movmisalignM
3099 insn for mode, use it to load op0 into a temporary register.
3101 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3104 * target.def (const_not_ok_for_debug_p): New hook.
3105 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3107 * doc/tm.texi: Regenerated.
3108 * dwarf2out.c (const_ok_for_output_1): If
3109 targetm.const_not_ok_for_debug_p returns true, fail.
3110 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3112 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3114 2012-01-23 Kai Tietz <ktietz@redhat.com>
3117 * config/i386/predicates.md (symbolic_operand): Allow
3118 UNSPEC_PCREL as PIC expression for lea.
3119 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3120 * config/i386/i386.c (ix86_delegitimize_address): Handle
3121 UNSPEC_PCREL for none-MEM, too.
3123 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3125 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3126 (ipa_tm_create_version_alias): Same.
3128 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3131 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3132 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3134 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3135 Patrick Marlier <patrick.marlier@gmail.com>
3136 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3139 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3140 simple_object_start_read.
3142 2012-01-23 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/51895
3146 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3147 parameter decomposition into BLKmode components.
3149 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3151 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3152 fake variables for restrict-qualified pointers whose pointed-to type
3153 contains a placeholder.
3155 2012-01-23 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/51949
3158 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3160 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3162 PR rtl-optimization/51933
3163 * ree.c (transform_ifelse): Return true right away if dstreg is
3164 already wider or equal to cand->mode.
3165 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3166 (make_defs_and_copies_lists): Remove defs_list and copies_list
3167 arguments, add state argument, just truncate state->work_list
3168 instead of always allocating and freeing the vector. Assert that
3169 get_defs succeeds instead of returning 2. Changed return type to bool.
3170 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3171 have ext_src_mode, see if it has been modified already with the
3172 right kind of extension and has been extended before from the
3173 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3174 just return true. Remember the original mode in state->modified array.
3175 (combine_reaching_defs): Add state argument. Don't allocate and
3176 free here def_list, copied_list and vec vectors, instead just
3177 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3178 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3179 Add state variable, clear vectors in it, initialize state.modified
3180 if needed. Free all the vectors at the end and state.modified too.
3181 Don't skip a candidate if the extension expression has been modified.
3183 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3186 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3187 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3188 (extra_options) interix.opt -> i386/interix.opt"
3189 (extra_objs):Add winnt-stubs.o
3190 * configure.ac: Add interix to target_os .comm on PE check.
3191 * configure: Regenerate.
3192 * config/interix3.h: Delete and move bits to..
3193 * config/interix.h: Delete and move bits to..
3194 * config/i386/i386-interix3.h: Delete and move bits to..
3195 * config/i386/i386-interix.h: ..here.
3196 (TARGET_CPU_DEFAULT): Remove redefinition.
3197 (TARGET_ASM_CONSTRUCTOR): Undefine.
3198 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3199 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3200 (PTRDIFF_TYPE): Define.
3201 (LONG_DOUBLE_TYPE_SIZE): Define.
3202 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3203 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3204 (TARGET_SECTION_TYPE_FLAGS): Define.
3205 (ASM_DECLARE_FUNCTION_NAME): Define.
3206 (ASM_OUTPUT_EXTERNAL): Define.
3207 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3208 (ASM_OUTPUT_ALIGNED_BSS): Define.
3209 (PCC_BITFIELD_TYPE_MATTERS): Define.
3210 (USE_CONST_SECTION): Define.
3211 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3212 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3213 (SUPPORTS_ONE_ONLY): Remove.
3214 (I386_PE_STRIP_ENCODING): Define.
3215 * config/interix.opt: Delete and move bits to..
3216 * config/i386/interix.opt: ..here. New.
3217 (mpe-aligned-commons): Add.
3218 * config/i386/t-interix: Add copyright header.
3219 (winnt-stubs.o): Add rule.
3221 2012-01-22 Jason Merrill <jason@redhat.com>
3224 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3225 for extra name aliases.
3227 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3229 PR rtl-optimization/51924
3230 * ree.c (combine_set_extension): Improve debugging message.
3231 (combine_reaching_defs): Likewise.
3232 (get_defs): Rename confusingly named variable.
3233 (find_and_remove_re): Skip a candidate if the extension expression has
3236 2012-01-21 Robert Millan <rmh@gnu.org>
3237 Gerald Pfeifer <gerald@pfeifer.com>
3239 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3240 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3242 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3244 PR tree-optimization/51914
3245 * tree-vect-stmts.c (vectorizable_conversion): For
3246 cvt_type && modifier == WIDEN, put temporary with cvt_type
3247 at the beginning of vec_dsts and set vec_dest to temporary
3250 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3252 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3254 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3256 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3257 * config/rs6000/rs6000.c: Likewise.
3259 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3262 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3263 output_move_double on a copy of operands array.
3265 2012-01-20 Cary Coutant <ccoutant@google.com>
3266 Dodji Seketeli <dodji@redhat.com>
3269 * dwarf2out.c (copy_declaration_context): Return ref to parent
3270 of declaration DIE, if necessary.
3271 (remove_child_or_replace_with_skeleton): Add new parameter; update
3272 caller. Place skeleton DIE under parent DIE of original declaration.
3273 Move call to copy_declaration_context to here ...
3274 (break_out_comdat_types): ... from here.
3276 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3278 PR rtl-optimization/51856
3279 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3282 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3285 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3286 hints for neon loads and stores.
3288 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3292 * doc/extend.texi (Named Address Spaces): Split into subsections.
3293 (AVR Named Address Spaces): New subsection.
3294 (M32C Named Address Spaces): New subsection.
3295 (RL78 Named Address Spaces): New subsection.
3296 (SPU Named Address Spaces): New subsection.
3297 (Variable Attributes): New anchor "AVR Variable Attributes".
3298 (AVR Variable Attributes): Rewrite and avoid wording
3299 "address space" in this context.
3300 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3301 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3302 (AVR Built-in Macros): New subsubsection therein.
3303 * doc/md.texi (AVR constraints): Remove "C04", "R".
3305 2012-01-20 Richard Guenther <rguenther@suse.de>
3307 PR tree-optimization/51903
3308 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3309 when removing stmts.
3311 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3314 * config/arm/arm.c (arm_load_pic_register): Use
3315 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3316 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3317 (arm_pic_static_addr): Likewise.
3318 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3319 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3320 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3321 (pic_load_addr_unified): New.
3323 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3326 * function.c (instantiate_virtual_regs_in_insn): Use
3327 delete_insn_and_edges when removing a wrong asm insn.
3329 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3331 PR rtl-optimization/40761
3332 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3333 Add new member loop_num.
3334 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3335 (ira_build): Remove the parameter.
3337 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3338 (ira.c): Do not build CFG loops for one region allocation. Remove
3339 argument from ira_build call.
3341 * ira-build.c (init_loop_tree_node): New function.
3342 (create_loop_tree_nodes): Use it. Separate the case when CFG
3343 loops are not built.
3344 (more_one_region_p): Check current_loops.
3345 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3347 (add_loop_to_tree): Process loop equal to NULL too.
3348 (form_loop_tree): Separate the case when CFG loops are not built.
3349 Use explicitly number for the root.
3350 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3352 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3353 instead of loop->num.
3354 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3355 (mark_all_loops_for_removal): Ditto.
3356 (remove_unnecessary_regions): Separate the case when CFG loops
3358 (ira_build): Remove the parameter. Use explicit number of regions
3359 when CFG loops are not built.
3361 * ira-color.c (print_loop_title): Separate the case for the root node.
3362 Use loop_num instead of loop->num.
3363 (move_spill_restore): Use loop_num instead of loop->num.
3365 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3366 (change_loop): Ditto.
3367 (change_loop): Use loop_num instead of loop->num.
3369 * ira-lives.c (process_bb_node_lives): Ditto.
3371 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3373 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3375 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3378 * tree-mudflap.c (mf_artificial): New function.
3379 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3380 mx_register_decls, mudflap_enqueue_decl): Use it.
3383 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3384 numbers in the insn pattern.
3386 2012-01-19 Michael Matz <matz@suse.de>
3388 PR tree-optimization/46590
3389 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3390 use it in remembering which conflicts we already created.
3391 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3394 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3397 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3398 (merge_and_complain): Same.
3400 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3403 * config/initfini-array.h: Guard content of the header
3404 with #ifdef HAVE_INITFINI_ARRAY.
3405 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3406 Add initfini-array.h to tm_file here.
3407 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3408 * config.gcc: Don't add initfini-array.h to tm_file here.
3409 * configure: Regenerated.
3411 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3413 PR rtl-optimization/51505
3414 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3415 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3416 (df_note_bb_compute): Update the call to df_kill_notes.
3418 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3420 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3422 2012-01-18 Richard Guenther <rguenther@suse.de>
3424 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3425 of conversions to void *.
3427 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3428 Richard Sandiford <rdsandiford@googlemail.com>
3432 * optabs.h (simplify_expand_binop): Declare.
3433 * optabs.c (simplify_expand_binop): Make global.
3434 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3435 endian targets if the source cannot be exactly covered by word
3438 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3441 * hard-reg-set.h (struct hard_reg_set_container): New type.
3442 * target.h (struct hard_reg_set_container): Forward declare.
3443 * target.def (set_up_by_prologue): New target hook.
3444 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3445 * doc/tm.texi: Regenerated.
3446 * function.c (thread_prologue_and_epilogue_insns): Change
3447 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3448 Call targetm.set_up_by_prologue on it.
3449 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3450 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3452 2012-01-17 Nick Clifton <nickc@redhat.com>
3454 * config/rx/rx.c (rx_can_use_simple_return): New function.
3455 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3456 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3458 2012-01-17 Richard Guenther <rguenther@suse.de>
3461 * expr.c (expand_assignment): Take address-space information
3462 from the address operand of MEM_REF and TARGET_MEM_REF.
3463 (expand_expr_real_1): Likewise.
3465 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3467 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3468 reload dump is requested.
3470 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3473 * trans-mem.c (requires_barrier): Call may_be_aliased.
3475 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3477 PR tree-optimization/51877
3478 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3479 call arguments and fndecls compare equal, instead return false if they
3480 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3481 both SSA_NAMEs that are valueized the same, or they satisfy
3484 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3486 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3488 * configure: Regenerate.
3490 2012-01-16 Jan Hubicka <jh@suse.cz>
3494 * convert.c (convert_to_integer): Use fold_convert for
3495 converting an INTEGER_CST to integer type.
3497 2012-01-16 Jason Merrill <jason@redhat.com>
3500 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3502 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3505 * config/s390/s390.c (s390_chunkify_start): Don't skip
3506 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3507 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3508 If insn is followed by NOTE_INSN_VAR_LOCATION or
3509 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3510 Don't use location of note insns.
3512 PR tree-optimization/51865
3513 * tree-inline.c (tree_function_versioning): Call remap_decl
3514 on DECL_RESULT whenever it has VOID_TYPE_P type.
3516 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3518 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3519 for calls to locally-binding MIPS16 functions if only the return
3520 type uses float regs.
3522 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3523 Richard Sandiford <rdsandiford@googlemail.com>
3525 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3526 (SYMBOL_32_HIGH): Likewise.
3527 (mips_output_tls_reloc_directive): Declare.
3528 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3529 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3530 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3531 (mips_lo_relocs, mips_hi_relocs): Make extern.
3532 (mips16_stub_function): Move up file.
3533 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3534 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3535 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3536 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3537 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3538 (mips_get_tp): Add MIPS16 support.
3539 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3540 Generalize DTPREL and TPREL handling.
3541 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3542 Add MIPS16 TLS support.
3543 (mips_output_tls_reloc_directive): New function.
3544 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3545 * config/mips/predicates.md (symbolic_operand_with_high)
3546 (tls_reloc_operand): New predicates.
3547 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3548 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3549 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3550 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3551 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3552 (*tls_get_tp_mips16_call_<mode>): Likewise.
3554 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3556 PR rtl-optimization/51821
3557 * recog.c (peep2_find_free_register): Determine clobbered registers
3560 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3563 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3564 * config/avr/avr.c: Likewise.
3565 * config/avr/avr.h: Likewise.
3567 2012-01-13 Ian Lance Taylor <iant@google.com>
3570 * tree.h (TYPE_QUALS): Add cast to int.
3571 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3573 2012-01-13 Ian Lance Taylor <iant@google.com>
3575 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3576 comparing param_index to VEC_length result.
3578 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3580 * c-decl.c: Do not include tree-mudflap.h
3581 * tree-optimize.c: Likewise.
3582 * Makefile.in: Update dependencies.
3584 2012-01-13 Richard Guenther <rguenther@suse.de>
3587 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3588 variable-sized result always use RSO.
3590 2012-01-12 DJ Delorie <dj@redhat.com>
3592 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3593 pointer type, not just the default pointer type.
3595 2012-01-09 Richard Henderson <rth@redhat.com>
3596 Denis Chertykov <chertykov@gmail.com>
3599 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3600 * config/avr/avr.c (avr_can_eliminate): Simplify.
3601 (avr_initial_elimination_offset): Likewise.
3602 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3603 (expand_epilogue): Likewise.
3604 (avr_legitimize_address): Gut.
3605 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3606 (avr_hard_regno_nregs): New.
3607 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3608 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3609 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3610 add soft frame pointer.
3611 (CALL_USED_REGISTERS): Likewise.
3612 (REG_CLASS_CONTENTS): Likewise.
3613 (REGISTER_NAMES): Likewise.
3614 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3615 (HARD_FRAME_POINTER_REGNUM): New.
3616 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3617 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3618 remove the HARD_FRAME_POINTER self-elimination.
3620 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3623 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3624 DECL_EXTERNAL when checking for initializers of progmem variables.
3626 2012-01-12 Ira Rosen <irar@il.ibm.com>
3628 PR tree-optimization/51799
3629 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3630 that the last operation is a type demotion.
3632 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3634 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3635 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3637 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3640 * combine.c (distribute_notes): If i3 is a noreturn call,
3641 allow old_size to be equal to args_size and make sure the
3642 noreturn call gets REG_ARGS_SIZE note.
3643 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3644 on noreturn calls even when the delta is 0.
3646 2012-01-11 Nathan Sidwell <nathan@acm.org>
3648 * gcov.c (STRING_SIZE): Remove.
3649 (generate_results): Erase annotations for source files with no
3650 coverage information.
3652 (output_lines): Use it.
3654 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3656 * gimple.h (gimplify_body): Remove first argument.
3657 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3658 pointer set here, instead just pass DATA to walk_tree.
3659 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3660 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3661 (unvisit_body): Likewise, but with unmark_visited.
3662 (gimplify_body): Remove BODY_P argument and adjust.
3663 (gimplify_function_tree): Adjust call to gimplify_body.
3664 * omp-low.c (finalize_task_copyfn): Likewise.
3666 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3668 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3669 (build_function_type_skip_args): Delete.
3670 * tree.c (build_function_type_skip_args): Make static and add
3671 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3672 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3673 pass it to build_function_type_skip_args.
3674 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3675 (tree_function_versioning): Likewise.
3676 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3677 build_function_decl_skip_args.
3678 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3679 and pass it to build_function_decl_skip_args/tree_function_versioning.
3680 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3681 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3682 * trans-mem.c (ipa_tm_create_version): Likewise.
3683 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3684 * tree-inline.c (declare_return_variable): Remove always-true test.
3685 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3686 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3687 * ipa-split.c (split_function): Skip the return value for the split
3688 part if it doesn't return.
3690 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3692 PR tree-optimization/49642
3693 * ipa-split.c (forbidden_dominators): New variable.
3694 (check_forbidden_calls): New function.
3695 (dominated_by_forbidden): Likewise.
3696 (consider_split): Check for forbidden dominators.
3697 (execute_split_functions): Initialize and free forbidden
3698 dominators info; call check_forbidden_calls.
3700 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3702 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3704 2012-01-11 Nick Clifton <nickc@redhat.com>
3706 * config/rx/rx.md (return): Define pattern.
3708 2012-01-11 Richard Guenther <rguenther@suse.de>
3710 * doc/extend.texi (malloc attribute): Adjust according to
3713 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3714 Patrick Marlier <patrick.marlier@gmail.com>
3717 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3718 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3719 (ipa_tm_note_irrevocable): Same.
3720 (ipa_tm_scan_irr_block): Same.
3721 (ipa_tm_decrement_clone_counts): Same.
3722 (ipa_tm_scan_irr_function): Same.
3723 (ipa_tm_create_version_alias): Same.
3724 (ipa_tm_create_version): Same.
3725 (ipa_tm_transform_calls_redirect): Same.
3726 (ipa_tm_transform_calls): Same.
3727 (ipa_tm_transform_transaction): Same.
3728 (ipa_tm_execute): Same.
3730 2012-01-10 Richard Guenther <rguenther@suse.de>
3733 * opts.c (common_handle_option): Handle -Werror.
3735 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3737 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3740 2012-01-10 Jason Merrill <jason@redhat.com>
3742 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3745 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3747 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3748 supports R_386_TLS_GD_PLT reloc.
3749 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3750 supports R_386_TLS_LDM_PLT reloc.
3751 * configure: Regenerate.
3752 * config.in: Regenerate.
3754 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3757 Extend __pgmx semantics to linearize memory.
3758 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3759 determine if code comes inline or from libgcc.
3760 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3761 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3762 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3763 (movmemx_qi, movmemx_hi): New insns.
3764 (xload_<mode>_libgcc): Rewrite to new insn condition.
3765 (xload_<mode>): Remove insns.
3766 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3767 cases that don't satisfy avr_xload_libgcc_p().
3768 (avr_addr_space_convert): Allow converting in any direction.
3769 (avr_addr_space_subset_p): Return always true.
3770 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3771 (avr_emit_movmemhi): Ditto.
3772 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3773 (avr_out_movmem): Ditto.
3774 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3775 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3776 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3777 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3778 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3780 2012-01-10 Richard Guenther <rguenther@suse.de>
3782 PR tree-optimization/50913
3783 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3784 Require data-refs to be representable by Graphite with respect
3787 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3789 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3790 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3792 2012-01-10 Tom de Vries <tom@codesourcery.com>
3794 PR rtl-optimization/51271
3795 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3796 handling annulled branch.
3798 2012-01-10 Richard Henderson <rth@redhat.com>
3800 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3801 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3802 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3803 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3804 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3805 arm_expand_vec_perm_const): New.
3806 * config/arm/arm-protos.h: Update.
3807 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3808 (*neon_vswp<VDQX>): New.
3809 (neon_vcombine<VDX>): Use neon_split_vcombine.
3810 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3811 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3812 (vec_perm<VE>): New.
3814 2012-01-10 Richard Henderson <rth@redhat.com>
3816 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3817 use it if reload_completed.
3818 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3819 arm_output_asm_insn, arm_process_output_memory_barrier,
3820 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3821 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3822 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3823 arm_process_output_sync_insn, arm_output_sync_insn,
3824 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3825 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3826 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3827 (emit_unlikely_jump): New.
3828 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3829 (arm_split_atomic_op): New.
3830 * config/arm/arm-protos.h: Update.
3831 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3832 (struct arm_sync_generator): Remove.
3833 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3834 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3835 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3836 (VUNSPEC_LL, VUNSPEC_SC): New.
3837 (sync_result, sync_memory, sync_required_value, sync_new_value,
3838 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3839 (attr length): Don't use arm_sync_loop_insns.
3840 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3841 (movsfcc, movdfcc): Likewise.
3842 * config/arm/constraints.md (Ua): New.
3843 * config/arm/prediates.md (mem_noofs_operand): New.
3844 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3845 (sync_clobber, sync_t2_reqd): Remove.
3846 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3847 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3848 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3849 (arm_sync_compare_and_swap<SIDI>): Remove.
3850 (arm_sync_compare_and_swap<NARROW>): Remove.
3851 (arm_sync_lock_test_and_set<SIDI>): Remove.
3852 (arm_sync_lock_test_and_set<NARROW>): Remove.
3853 (arm_sync_new_<syncop><SIDI>): Remove.
3854 (arm_sync_new_<syncop><NARROW>): Remove.
3855 (arm_sync_new_nand<SIDI>): Remove.
3856 (arm_sync_new_nand<NARROW>): Remove.
3857 (arm_sync_old_<syncop><SIDI>): Remove.
3858 (arm_sync_old_<syncop><NARROW>): Remove.
3859 (arm_sync_old_nand<SIDI>): Remove.
3860 (arm_sync_old_nand<NARROW>): Remove.
3861 (*memory_barrier): Merge arm_output_memory_barrier.
3862 (atomic_compare_and_swap<QHSD>): New.
3863 (atomic_compare_and_swap<NARROW>_1): New.
3864 (atomic_compare_and_swap<SIDI>_1): New.
3865 (atomic_exchange<QHSD>): New.
3866 (cas_cmp_operand, cas_cmp_str): New.
3867 (atomic_op_operand, atomic_op_str): New.
3868 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3869 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3870 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3871 (arm_load_exclusive<NARROW>): New.
3872 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3873 (arm_store_exclusive<QHSD>): New.
3875 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3877 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3878 reload patterns if -mvsx-scalar-memory.
3880 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3881 generated, even -mno-vsx-scalar-double was used.
3882 (vsx_xscvdpsp_scalar): Likewise.
3883 (vsx_xscvspdp_scalar2): Likewise.
3885 2012-01-09 Tom de Vries <tom@codesourcery.com>
3886 Andrew Pinski <apinski@cavium.com>
3889 * reorg.c (fill_slots_from_thread): Don't speculate
3890 frame-related insns.
3892 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3894 * sched-int.h (bb_note): Move to...
3895 * basic-block.h: ...here.
3896 * haifa-sched.c (bb_note): Move to...
3897 * cfgrtl.c: ...here.
3898 * function.c (next_block_for_reg): New function.
3899 (move_insn_for_shrink_wrap): Likewise.
3900 (prepare_shrink_wrap): Rewrite to use the above.
3902 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3904 * gimple.c (is_gimple_non_addressable): Remove.
3905 * gimple.h: Remove is_gimple_non_addressable.
3906 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3907 is_gimple_non_addressable.
3908 * trans-mem.c (expand_assign_tm): Same.
3910 2012-01-09 Richard Guenther <rguenther@suse.de>
3912 PR tree-optimization/51775
3913 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3914 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3916 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3918 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3920 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3922 2012-01-09 Richard Guenther <rguenther@suse.de>
3924 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3926 2012-01-08 Jan Hubicka <jh@suse.cz>
3928 PR tree-optimize/51680
3929 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3930 on when known_vals needs to be computed; cleanup.
3932 2012-01-08 Jan Hubicka <jh@suse.cz>
3934 PR tree-optimize/51694
3935 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3937 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3939 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3940 for -std=c++98 and -std=c++11 too.
3942 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3944 * cfgloop.c (cancel_loop): Add free() of bbs array.
3946 2012-01-07 Jan Hubicka <jh@suse.cz>
3948 PR tree-optimization/51600
3949 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3950 that benefits small functions.
3952 2012-01-07 Jan Hubicka <jh@suse.cz>
3954 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3956 2012-01-07 Jan Hubicka <jh@suse.cz>
3958 PR tree-optimization/51680
3959 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3960 whose inlining reduce unit size.
3962 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3965 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3966 Add canonical node to containing_mem chain after the non-canonical
3967 one, even if there weren't any locs to propagate.
3968 (remove_useless_values): Keep only canonical values.
3969 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3970 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3971 canonicalize mem_chain elements that are not discarded.
3973 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3976 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3977 before emitting functions.
3979 PR gcov-profile/50127
3980 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3981 clear_aux_for_blocks.
3983 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3986 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3988 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3990 * c-decl.c (ext_block): Moved up.
3991 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3993 2012-01-06 Han Shen <shenhan@google.com>
3995 Translate built-in include paths for sysroot.
3996 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3997 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3999 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4000 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4002 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4003 control whether sysroot should be prepended to gxx include dir.
4005 * configure: Regenerate.
4007 2012-01-06 Torvald Riegel <triegel@redhat.com>
4009 PR rtl-optimization/51771
4010 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4011 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4013 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4015 PR tree-optimization/51315
4016 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4017 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4019 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4022 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4023 for shrp pattern. Correctly handle and fixup shift variable.
4024 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4026 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4029 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4030 note when !ACCUMULATE_OUTGOING_ARGS.
4032 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4034 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4036 (extract_range_from_unary_expr_1): Avoid useless computations.
4038 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4040 PR rtl-optimization/51767
4041 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4042 of jump_block and add an extra edge for degenerated asm gotos.
4045 * stmt.c (check_unique_operand_names): Don't ICE during error
4046 reporting if i is from labels chain.
4049 * profile.c (branch_prob): Split bbs that have exit edge
4050 and need a fake entry edge too.
4052 2012-01-05 Jan Hubicka <jh@suse.cz>
4055 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4058 2012-01-05 Richard Guenther <rguenther@suse.de>
4061 * tree-streamer-out.c (write_ts_optimization): New function.
4062 (streamer_write_tree_body): Call it.
4063 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4064 (streamer_read_tree_body): Call it.
4065 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4067 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4070 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4071 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4072 in_cleanup_point_expr before gimplify_stmt call and restore it
4074 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4075 in_cleanup_point_expr is false.
4077 2012-01-05 Richard Guenther <rguenther@suse.de>
4080 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4082 * toplev.c (process_options): Reject combining mudflap and LTO.
4083 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4085 2012-01-05 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/51760
4088 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4090 (bit_value_unop): Handle UNDEFINED operands.
4091 (bit_value_binop): Likewise.
4093 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4095 * config/avr/avr.c (avr_replace_prefix): Remove.
4096 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4097 (avr_asm_function_rodata_section): Ditto.
4098 (avr_asm_select_section): Ditto.
4100 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4102 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4105 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4108 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4109 calls that have any non-fake successor edges.
4112 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4114 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4116 PR tree-optimization/51624
4117 * tree-sra.c (build_ref_for_model): When replicating a chain of
4118 COMPONENT_REFs, stop as soon as the offset would become negative.
4120 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4123 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4124 in .debug_loc on the floor.
4126 2012-01-04 Andrew Pinski <apinski@cavium.com>
4128 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4130 2012-01-04 Andrew Pinski <apinski@cavium.com>
4131 Adam Nemet <anemet@caviumnetworks.com>
4133 * config/mips/mips.md (size): Add SI and DI.
4134 (SIZE): New mode attribute.
4135 (U): New code attribute.
4136 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4137 (mips_lbux_<mode>): Delete.
4138 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4139 (mips_lhx): Use gen_mips_lhx_extsi.
4140 (mips_lhx_<mode>): Delete.
4142 (mips_l<size>x): New expand.
4143 (mips_lwx_<mode>): Delete.
4144 (mips_l<GPR:size>x_<P:mode>): New pattern.
4145 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4146 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4147 * config/mips/mips.c (mips_lx_address_p): New function.
4148 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4149 (dsp64): New availability predicate.
4150 (mips_builtins): Add an entry for __builtin_mips_ldx.
4151 * config/mips/mips.h (ISA_HAS_LBX): New define.
4152 (ISA_HAS_LBUX): Likewise.
4153 (ISA_HAS_LHX): Likewise.
4154 (ISA_HAS_LHUX): Likewise.
4155 (ISA_HAS_LWX): Likewise.
4156 (ISA_HAS_LWUX): Likewise.
4157 (ISA_HAS_LDX): Likewise.
4158 * doc/extend.texi (__builtin_mips_ldx): Document.
4160 2012-01-04 Tristan Gingold <gingold@adacore.com>
4162 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4163 when long pointers are used.
4164 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4165 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4166 (ia64-hp-*vms*): Remove.
4167 * config/vms/xm-vms64.h: Delete.
4169 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4172 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4174 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4176 * opts.c (finish_options): Remove duplicate sorry.
4178 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4181 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4184 2012-01-04 Richard Guenther <rguenther@suse.de>
4187 * tree.c (size_low_cst): New function.
4188 * tree.h (size_low_cst): Declare.
4189 * fold-const.c (fold_comparison): Use it to extract the low
4190 part of the POINTER_PLUS_EXPR offset.
4192 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4194 Fix clearing ZERO_REG
4195 * config/avr/avr.md (cc): Add alternative "ldi".
4196 (movqi_insn): Use it in cc attribute.
4197 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4198 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4199 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4201 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4203 * configure: Regenerate.
4205 2012-01-04 Richard Guenther <rguenther@suse.de>
4207 PR tree-optimization/49651
4208 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4209 (var_can_have_subvars): Use it.
4210 (get_constraint_for_1): Only consider subfields if there can be any.
4212 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4215 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4216 to its new canonical_cselib_val and the cselib_val was in
4217 first_containing_mem chain, but the canonical_cselib_val was not,
4218 add the latter into the chain.
4219 (cselib_invalidate_mem): Compare canonical_cselib_val of
4220 addr_list chain elt with v.
4223 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4224 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4226 (output_macinfo_op): Don't ggc_strdup fd->filename.
4227 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4228 then ggc_strdup it. Don't free inc->info or cur->info.
4229 (output_macinfo): Don't free ref->info or file->info.
4231 2012-01-03 Ira Rosen <irar@il.ibm.com>
4233 PR tree-optimization/51269
4234 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4235 first_niters a pointer.
4236 (slpeel_tree_peel_loop_to_edge): Likewise.
4237 (vect_do_peeling_for_loop_bound): Update call to
4238 slpeel_tree_peel_loop_to_edge.
4239 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4240 here. Remove it from the parameters list.
4241 (vect_do_peeling_for_alignment): Update calls and compute
4244 2012-01-03 Richard Guenther <rguenther@suse.de>
4246 PR tree-optimization/51070
4247 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4248 Properly handle calls.
4250 2012-01-03 Richard Guenther <rguenther@suse.de>
4252 PR tree-optimization/51692
4253 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4254 the LHS of allocation stmts.
4256 2012-01-03 Olivier Hainque <hainque@adacore.com>
4258 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4260 2012-01-03 Olivier Hainque <hainque@adacore.com>
4262 * collect2.c (main): In AIX specific computations for vector
4263 insertions, use CONST_CAST2 to cast from char ** to const char **.
4265 2012-01-03 Richard Guenther <rguenther@suse.de>
4268 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4269 the context of a limbo DIE when it does not already exist.
4271 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4273 PR tree-optimization/51719
4274 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4275 but direct call is, clear direct call's lhs and don't add fallthrough
4276 edge from dcall_bb to join_bb and PHIs.
4278 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4280 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4281 the instructions emitted by the pattern.
4282 ("*TDC_insn_<mode>"): Add comment.
4284 2012-01-03 Richard Guenther <rguenther@suse.de>
4287 * fold-const.c (fold_comparison): Properly canonicalize
4288 tree offset and HOST_WIDE_INT bit position.
4290 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4292 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4293 operands for extzv pattern.
4295 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4298 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4301 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4303 * doc/invoke.texi (-flto and related options): Copy-edit.
4305 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4307 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4309 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4311 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4314 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4316 * expr.h (move_by_pieces_ninsns): Declare.
4317 * expr.c (move_by_pieces_ninsns): Make external.
4318 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4319 (mips_store_by_pieces_p): Likewise.
4320 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4321 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4322 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4323 (mips_store_by_pieces_p): Likewise.
4325 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4327 * passes.c (register_one_dump_file): Free full_name.
4329 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4330 (calculate_elim_costs_all_insns): Free offsets_at and
4331 offsets_known_at at the end and clear the pointers.
4333 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4335 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4336 this option introduced in r180739.
4338 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4341 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4342 (tmake_file target=avr): Add avr/t-multilib.
4344 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4345 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4346 * config/avr/genmultilib.awk: New file.
4347 * config/avr/t-multilib: New auto-generated file.
4348 * config/avr/multilib.h: New auto-generated file.
4349 * config/avr/t-avr (AVR_MCUS): New variable.
4350 (genopt.sh): Use it.
4351 (s-mlib): Depend on t-multilib.
4352 (t-multilib, multilib.h): New dependencies.
4353 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4354 (MULTILIB_OPTIONS): Remove.
4355 (MULTILIB_MATCHES): Remove.
4356 (MULTILIB_DIRNAMES): Remove.
4357 (MULTILIB_EXCEPTIONS): Remove:
4358 * config/avr/genopt.sh: Don't use hard coded file name;
4359 pass AVR_MCUS from t-avr instead.
4361 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4363 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4365 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4367 Implement light-weight DImode support.
4368 * config/avr/avr-dimode.md: New file.
4369 * config/avr/avr.md: Include it.
4370 (adjust_len): Add plus64, compare64.
4371 (HIDI): Remove code iterator.
4372 (code_stdname): New code attribute.
4373 (rotx, rotsmode): Remove DI.
4374 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4376 * config/avr/avr-protos.h (avr_have_dimode): New.
4377 (avr_out_plus64, avr_out_compare64): New.
4378 * config/avr/avr.c (avr_out_compare): Handle DImode.
4379 (avr_have_dimode): New variable definition and initialization.
4380 (avr_out_compare64, avr_out_plus64): New functions.
4381 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4382 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4383 (avr_compare_pattern): Skip DImode comparisons.
4385 2012-01-02 Revital Eres <revital.eres@linaro.org>
4387 * ddg.c (def_has_ccmode_p): New function.
4388 (add_cross_iteration_register_deps,
4389 create_ddg_dep_from_intra_loop_link): Call it.
4391 2012-01-02 Richard Guenther <rguenther@suse.de>
4394 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4396 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4398 * gcc.c (process_command): Update copyright notice dates.
4399 * gcov.c (print_version): Likewise.
4400 * gcov-dump.c (print_version): Likewise.
4401 * mips-tfile.c (main): Likewise.
4402 * mips-tdump.c (main): Likewise.
4404 2012-01-01 Ira Rosen <irar@il.ibm.com>
4406 PR tree-optimization/51704
4407 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4408 a use is inside the basic block or loop before accessing its vect info.
4410 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4412 PR rtl-optimization/51069
4413 * cfgloopmanip.c (remove_path): Removing path making irreducible
4414 region unconditional makes BB part of the region.
4416 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4418 PR tree-optimization/51683
4419 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4420 calls with side-effects.
4421 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4423 Copyright (C) 2012 Free Software Foundation, Inc.
4425 Copying and distribution of this file, with or without modification,
4426 are permitted in any medium without royalty provided the copyright
4427 notice and this notice are preserved.