Fix pr47837
[official-gcc.git] / gcc / ChangeLog
blob493629e2af9b07a39fb53ec3adde244d562dc904
1 2011-03-15  Xinliang David Li  <davidxl@google.com>
3         PR c/47837
4         * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
5         (normalize_preds): New function.
6         (is_use_properly_guarded): Normalize def predicates.
8 2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
10         PR target/46778
11         * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
12         in the output template.
14 2011-03-15  Richard Guenther  <rguenther@suse.de>
16         PR middle-end/47650
17         * tree-pretty-print.c (dump_function_declaration): Properly
18         dump unprototyped and varargs function types.
20 2011-03-15  Richard Guenther  <rguenther@suse.de>
22         PR tree-optimization/13954
23         * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
24         and friends.
26 2011-03-15  Richard Guenther  <rguenther@suse.de>
28         PR tree-optimization/48037
29         * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
30         selects into BIT_FIELD_REFs.
31         (non_rewritable_mem_ref_base): Check if a MEM_REF is a
32         vector select.
34 2011-03-15  Jakub Jelinek  <jakub@redhat.com>
36         PR tree-optimization/48129
37         * builtins.c (fold_builtin_snprintf): Convert to type of
38         built_in_decls[BUILT_IN_SNPRINTF] retval instead of
39         implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
41 2011-03-15  Richard Guenther  <rguenther@suse.de>
43         PR tree-optimization/41490
44         * tree-ssa-dce.c (propagate_necessity): Handle returns without
45         value but with VUSE.
46         * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
47         return statements.
48         * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
49         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
50         * tree-tailcall.c (find_tail_calls): Ignore returns.
52 2011-03-15  Richard Guenther  <rguenther@suse.de>
54         PR middle-end/48031
55         * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
56         or variable-indexed array accesses when in gimple form.
58 2011-03-15  Richard Guenther  <rguenther@suse.de>
60         * config/i386/i386.c (ix86_emit_swdivsf): Implement more
61         efficiently.
63 2011-03-15  Alan Modra  <amodra@gmail.com>
65         PR target/48032
66         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
67         presume symbol_refs without a symbol_ref_decl are suitably
68         aligned, nor other trees we may see here.  Handle anchor symbols.
69         (legitimate_constant_pool_address_p): Comment.  Add mode param.
70         Check cmodel=medium addresses.  Adjust all calls.
71         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
72         creating cmodel=medium optimized access to locals.
73         * config/rs6000/constraints.md (R): Pass QImode to
74         legitimate_constant_pool_address_p.
75         * config/rs6000/predicates.md (input_operand): Pass mode to
76         legitimate_constant_pool_address_p.
77         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
78         Update prototype.
80 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
82         PR target/48053
83         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
84         64-bit constants being loaded into registers other than GPRs such
85         as loading 0 into a VSX register.
87 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
89         * config/sol2.c (solaris_assemble_visibility): Remove obsolete
90         URLs.
92 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
94         PR middle-end/47917
95         * builtins.c (fold_builtin_snprintf): New function.
96         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
97         (fold_builtin_4): Likewise.
99         PR middle-end/38878
100         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
101         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
102         and C - X == X also strip nops from +/-/p+ operand.
103         When optimizing -X == C, fold C to arg0's type.
105         PR debug/47946
106         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
107         emit it as add_AT_int instead of add_AT_unsigned.
109 2011-03-14  Tom Tromey  <tromey@redhat.com>
111         * unwind-dw2.c: Include sys/sdt.h if it exists.
112         (_Unwind_DebugHook): Use STAP_PROBE2.
113         * config.in, configure: Rebuild.
114         * configure.ac: Check for sys/sdt.h.
116 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
118         * config/i386/i386.md (ROUND_FLOOR): New constant.
119         (ROUND_CEIL): Ditto.
120         (ROUND_TRUNC): Ditto.
121         (ROUND_MXCSR): Ditto.
122         (ROUND_NO_EXC): Ditto.
123         (rint<mode>2): Use new defines instead of numerical constants.
124         (floor<mode>2): Ditto.
125         (ceil<mode>2): Ditto.
126         (btrunc<mode>2): Ditto.
127         * config/i386/i386-builtin-types.def: Define ROUND function type
128         aliases.
129         * config/i386/i386.c (enum ix86_builtins): Add
130         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
131         (struct builtin_description): Add
132         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
133         (ix86_expand_sse_round): New static function.
134         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
135         function types.
136         (ix86_builtin_vectorized_function): Handle
137         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
139 2011-03-14  Tom Tromey  <tromey@redhat.com>
141         * c-parser.c (c_parser_asm_string_literal): Clear
142         warn_overlength_strings.
144 2011-03-14  Tom Tromey  <tromey@redhat.com>
146         * c-parser.c (disable_extension_diagnostics): Save
147         warn_overlength_strings.
148         (restore_extension_diagnostics): Restore warn_overlength_strings.
150 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
152         * BASE-VER: Change to 4.7.0.
154 2011-03-14  Richard Guenther  <rguenther@suse.de>
156         PR middle-end/48098
157         * tree.c (build_vector_from_val): Adjust assert to requirements
158         and reality.
160 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
162         PR bootstrap/48102
163         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
165 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
167         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
168         terms of target_flags_explicit. Adjust copyright year.
170         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
171         * config/rs6000/t-freebsd: New file. Add override for
172         LIB2FUNCS_EXTRA.
174 2011-03-13  Chris Demetriou  <cgd@google.com>
176         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
177         (-fno-diagnostics-show-option): this, to reflect current default.
178         (-Werror=): Update text about -fno-diagnostics-show-option.
180 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
182         PR target/48053
183         * config/rs6000/predicates.md (easy_vector_constant_add_self,
184         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
185         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
186         mode is not V2DImode or V2DFmode.
187         (vspltis_constant): Do not handle V2DImode and V2DFmode.
188         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
189         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
190         registers to 0.
191         (movdi_internal64): Likewise.
193 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
195         PR tree-optimization/47127
196         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
197         parameter.
198         (set_cloog_options): Same.
199         (scop_to_clast): Same.
200         (print_clast_stmt): Do not call cloog_state_malloc and
201         cloog_state_free.
202         (print_generated_program): Same.
203         (gloog): Same.
204         * graphite-clast-to-gimple.h (cloog_state): Declared.
205         (scop_to_clast): Adjust declaration.
206         * graphite.c (cloog_state): Defined here.
207         (graphite_initialize): Call cloog_state_malloc.
208         (graphite_finalize): Call cloog_state_free.
210 2011-03-11  Jason Merrill  <jason@redhat.com>
212         * attribs.c (lookup_attribute_spec): Take const_tree.
213         * tree.h: Adjust.
215 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
217         * config/sparc/sparc.c (sparc_option_override): Use
218         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
220 2011-03-11  Richard Guenther  <rguenther@suse.de>
222         PR tree-optimization/48067
223         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
224         multiplication result will be only used once on the target
225         stmt.
227 2011-03-11  Richard Guenther  <rguenther@suse.de>
229         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
231 2011-03-11  Richard Guenther  <rguenther@suse.de>
233         PR lto/48073
234         * tree.c (find_decls_types_r): Do not walk types only reachable
235         from IDENTIFIER_NODEs.
237 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
239         PR middle-end/48044
240         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
241         all vnode->force_output nodes as needed.
243 2011-03-11  Jason Merrill  <jason@redhat.com>
245         PR c++/48069
246         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
247         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
249 2011-03-11  Martin Jambor  <mjambor@suse.cz>
251         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
252         cgraph_node.
254 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
256         PR tree-optimization/48063
257         * ipa-inline.c (cgraph_decide_inlining): Don't try to
258         inline functions called once if !tree_can_inline_p (node->callers).
260 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
262         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
263         extra_objs.
264         * config/score/score3.c: Delete.
265         * config/score/score3.h: Delete.
266         * config/score/mul-div.S: Delete.
267         * config/score/sfp-machine.h: Add new file.
268         * config/score/constraints.md: Add new file.
269         * config/score/t-score-softfp: Add new file.
270         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
271         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
272         (score7_extra_constraint): Delete.
273         (score7_option_override): Remove unused code.
274         * config/score/score.c: Remove score3 and score5 define and code.
275         * config/score/score.h: Remove score3 and score5 define and code.
276         * config/score/score.md: Remove score3 template and unusual insn.
277         * config/score/score.opt: Remove score3 and score5 options.
279 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
281         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
282         when _HPUX_SOURCE is defined.
283         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
285 2011-03-10  Jason Merrill  <jason@redhat.com>
287         PR c++/48029
288         * stor-layout.c (layout_type): Don't set structural equality
289         on arrays of incomplete type.
290         * tree.c (type_hash_eq): Handle comparing them properly.
292 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
294         PR debug/48043
295         * config/s390/s390.c (s390_delegitimize_address): Make sure the
296         result mode matches original rtl mode.
298 2011-03-10  Nick Clifton  <nickc@redhat.com>
300         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
301         (andsi3, andsi3_flags): Fix timings for three operand alternative.
303 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
305         PR rtl-optimization/47866
306         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
307         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
308         if target wasn't scalar.
309         * function.c (assign_stack_temp_for_type): Assert that neither
310         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
311         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
312         macro.
313         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
315 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
317         * config/s390/s390-protos.h (s390_label_align): New prototype.
318         * config/s390/s390.c (s390_label_align): New function.
319         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
321 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
323         PR target/47755
324         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
325         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
326         (output_vec_const_move): Ditto.
328 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
330         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
331         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
332         * config/mips/mips.c (mips_preferred_reload_class): Make static.
333         Change 'rclass' argument and result type to reg_class_t.
334         (TARGET_PREFERRED_RELOAD_CLASS): Define.
336 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
338        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
339        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
340        TARGET_MEMORY_MOVE_COST): Define.
341        (avr_register_move_cost, avr_memory_move_cost): New Functions.
343 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
345         PR debug/47881
346         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
347         removed anything.
349         PR tree-optimization/48022
350         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
351         for EQ/NE_EXPR.
353 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
355         PR debug/47991
356         * var-tracking.c (find_use_val): Return NULL for
357         cui->sets && cui->store_p BLKmode MEMs.
359 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
361         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
362         Remove.
363         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
364         xstormy16_print_operand_address): Remove.
365         * config/stormy16/stormy16.c (xstormy16_print_operand,
366         xstormy16_print_operand_address): Make static.
367         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
369 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
371         PR target/47862
372         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
373         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
374         before definition.
376 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
378         PR bootstrap/48000
379         * cfgloopmanip.c (fix_bb_placements): Return immediately
380         if FROM is BASE_LOOP's header.
382 2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
384         * gimplify.c (gimplify_function_tree): Fix building calls
385         to __builtin_return_address.
387 2011-03-07  Alan Modra  <amodra@gmail.com>
389         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
390         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
391         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
392         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
393         return_mode args.
394         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
395         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
396         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
397         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
398         * config/rs6000/rs6000.c
399         (rs6000_elf_end_indicate_exec_stack): Rename to..
400         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
401         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
402         (rs6000_file_start): ..here.
403         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
404         file scope variables.
405         (call_ABI_of_interest): New function.
406         (init_cumulative_args): Set above vars when function return value
407         is a float, vector, or small struct.
408         (rs6000_function_arg_advance_1): Likewise for function args.
409         (rs6000_va_start): Set rs6000_passes_float if variable arg function
410         references float args.
412 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
414         * doc/cfg.texi: Remove "See" before @ref.
415         * doc/invoke.texi: Likewise.
417 2011-03-05  Jason Merrill  <jason@redhat.com>
419         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
421 2011-03-05  Anthony Green  <green@moxielogic.com>
423         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
425 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
427         PR rtl-optimization/47899
428         * cfgloopmanip.c (fix_bb_placements): Fix first argument
429         to flow_loop_nested_p when moving the loop upward.
431 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
433         PR target/47719
434         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
436 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
438         PR tree-optimization/47967
439         * ipa-cp.c (build_const_val): Return NULL instead of creating
440         VIEW_CONVERT_EXPR for mismatching sizes.
441         (ipcp_create_replace_map): Return NULL if build_const_val failed.
442         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
443         give up on versioning.
445 2011-03-05  Alan Modra  <amodra@gmail.com>
447         PR target/47986
448         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
449         full cmodel medium/large lo_sum + high addresses.
451 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
453         * config/s390/s390.c (s390_decompose_address): Reject non-literal
454         pool references in UNSPEC_LTREL_OFFSET.
456 2011-03-04  Jan Hubicka  <jh@suse.cz>
458         PR lto/47497
459         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
460         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
461         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
462         Add node pointers.
463         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
464         cgraph_add_thunk): Add node pointers.
465         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
466         associated to right node.
467         (input_node): Update use of cgraph_same_body_alias
468         and cgraph_add_thunk.
470 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
472         * config/i386/i386.opt (mprefer-avx128): New flag.
473         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
474         modes when the flag -mprefer-avx128 is on.
476 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
478         * dwarf2out.c (compare_loc_operands): Fix address handling.
480 2011-03-04  Alan Modra  <amodra@gmail.com>
482         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
484 2011-03-04  Richard Guenther  <rguenther@suse.de>
486         PR middle-end/47968
487         * expmed.c (extract_bit_field_1): Prefer vector modes that
488         vec_extract patterns can handle.
490 2011-03-04  Richard Guenther  <rguenther@suse.de>
492         PR middle-end/47975
493         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
495 2011-03-04  Richard Henderson  <rth@redhat.com>
497         * explow.c (emit_stack_save): Remove 'after' parameter.
498         (emit_stack_restore): Likewise.
499         * expr.h: Update to match.
500         * builtins.c, calls.c, stmt.c: Likewise.
501         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
502         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
503         * function.c (expand_function_end): Insert the emit_stack_save
504         sequence before parm_birth_insn instead of after.
506 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
508         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
509         (ssse3_pmaddubsw128): Ditto.
510         (ssse3_pmaddubsw): Ditto.
512 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
514         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
516 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
518         PR c/47963
519         * gimplify.c (omp_add_variable): Only call omp_notice_variable
520         on TYPE_SIZE_UNIT if it is a DECL.
522         PR debug/47283
523         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
524         first operand is not is_gimple_mem_ref_addr, try to fold it.
525         If the operand still isn't is_gimple_mem_ref_addr, clear
526         MEM_EXPR on op0.
528 2011-03-03  Richard Guenther  <rguenther@suse.de>
530         PR middle-end/47283
531         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
532         match comment.
533         (refs_may_alias_p_1): For release branches return true if
534         we are confused by our input.
536 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
538         * config/s390/s390.c (s390_function_value): Rename to ...
539         (s390_function_and_libcall_value): ... this.
540         (s390_function_value): New function.
541         (s390_libcall_value): New function.
542         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
543         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
544         target macro definitions.
545         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
547 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
549         * config/i386/freebsd64.h (CC1_SPEC): Define.
550         * config/i386/linux64.h (CC1_SPEC): Define.
551         * config/i386/x86-64.h (CC1_SPEC): Don't define.
553 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
555         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
556         Remove.
557         * config/stormy16/stormy16.c: Include reload.h.
558         (xstormy16_memory_move_cost): New function.
559         (TARGET_MEMORY_MOVE_COST): Define.
561 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
563         PR rtl-optimization/47925
564         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
565         with side effects.  Remove the more-specific check for volatile asms.
567 2011-03-02  Alan Modra  <amodra@gmail.com>
569         PR target/47935
570         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
571         toc relative addresses for valid offsets.
573 2011-03-01  Richard Guenther  <rguenther@suse.de>
575         PR tree-optimization/47890
576         * tree-vect-loop.c (get_initial_def_for_induction): Set
577         related stmt properly.
579 2011-03-01  Richard Guenther  <rguenther@suse.de>
581         PR lto/47924
582         * lto-streamer.c (lto_record_common_node): Also register
583         the canonical type.
585 2011-03-01  Richard Guenther  <rguenther@suse.de>
587         PR lto/46911
588         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
589         Do not stream DECL_ABSTRACT_ORIGIN.
590         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
591         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
592         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
593         Do not stream DECL_ABSTRACT_ORIGIN.
594         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
595         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
597 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
599         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
600         FUNCTION_VALUE_REGNO_P): Remove.
601         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
602         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
603         Add 'outgoing' argument.
604         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
605         function.
606         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
607         TARGET_FUNCTION_VALUE_REGNO_P): Define.
609 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
611         PR debug/28047
612         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
613         (lookup_filename): Likewise.
614         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
616 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
617             Jakub Jelinek  <jakub@redhat.com>
619         PR middle-end/47893
620         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
621         (assign_stack_local_1): Change last argument type to int.
622         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
623         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
624         don't record padding space into frame_space_list nor use those areas.
625         (assign_stack_local): Adjust caller.
626         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
627         of assign_stack_local, pass 0 as last argument.
628         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
629         callers.
631 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
633         PR debug/47283
634         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
635         Use target address_mode and pointer_mode hooks instead of hardcoded
636         Pmode and ptr_mode.  Handle some simple cases of extending if
637         POINTERS_EXTEND_UNSIGNED < 0.
638         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
639         Call convert_debug_memory_address.
640         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
641         convert_debug_memory_address.
643         PR middle-end/46790
644         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
645         * configure: Regenerated.
646         * config.in: Regenerated.
647         * varasm.c (default_function_section): Return NULL
648         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
650 2011-02-28  Martin Jambor  <mjambor@suse.cz>
652         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
653         the description to match the printed values.
655 2011-02-28  Richard Guenther  <rguenther@suse.de>
657         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
658         of the copied scope tree.
660 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
662         * doc/extend.texi (Function Attributes): Avoid deeply (and
663         wrongly) nested tables.
665 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
667         PR middle-end/47903
668         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
669         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
670         r isn't op0 nor op1.
672 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
674         * config/avr/avr.md: Remove magic comment for emacs.
676 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
678         PR target/45261
679         * config/avr/avr.c (avr_option_override): Use error on bad options.
680         (avr_help): New function.
681         (TARGET_HELP): Define.
683 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
685         PR target/42240
686         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
687         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
689 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
691         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
692         (ARM Options): Ditto.
693         (i386 and x86-64 Options): Ditto.
694         (RX Options): Ditto.
695         (SPARC Options): Ditto.
697 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
699         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
700         FreeBSD 6 and later.  Generally use cpu generic.
702 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
704         * doc/cpp.texi: Update copyright years.
706 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
708         PR target/46898
709         * config/lm32/lm32.md (ashrsi3): Added needed variable.
711 2011-02-25  Jon Beniston  <jon@beniston.com>
713         PR target/46898
714         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
715         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
716         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
717         (lm32_block_move_inline): Add type cast to remove warning.
718         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
719         (gen_int_relational): Move declarations to start of function.
721 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
723         PR tree-optimization/45470
724         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
725         can throw internally only.
726         * tree-vect-stmts.c (vectorizable_call): Likewise.
728 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
730         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
731         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
732         * config/stormy16/stormy16-protos.h
733         (xstormy16_preferred_reload_class): Remove.
734         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
735         static. Change 'rclass' argument and return type to reg_class_t.
736         (TARGET_PREFERRED_RELOAD_CLASS,
737         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
739 2011-02-24  Richard Guenther  <rguenther@suse.de>
741         * lto-streamer-in.c (input_bb): Do not find referenced vars
742         in debug statements.
744 2011-02-23  Jason Merrill  <jason@redhat.com>
746         * common.opt (fabi-version): Document v5 and v6.
748 2011-02-23  Richard Guenther  <rguenther@suse.de>
750         PR tree-optimization/47849
751         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
753 2011-02-23  Jie Zhang  <jie@codesourcery.com>
755         * opts-common.c (decode_cmdline_option): Print empty string
756         argument as "" in decoded->orig_option_with_args_text.
757         * gcc.c (execute): Print empty string argument as ""
758         in the verbose output.
759         (do_spec_1): Keep empty string argument.
761 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
763         * config.gcc: Declare score-* and crx-* obsolete.
765 2011-02-23  Jie Zhang  <jie@codesourcery.com>
767         PR rtl-optimization/47763
768         * web.c (web_main): Ignore naked clobber when replacing register.
770 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
772         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
773         Remove.
775 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
777         PR doc/47848
778         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
780 2011-02-22  Mike Stump  <mikestump@comcast.net>
782         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
783         assembler.
784         * configure: Regenerate.
786 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
788         PR rtl-optimization/46002
789         * ira-color.c (update_copy_costs): Change class intersection
790         test to reg_class_contents[] test of 'hard_regno'.
792 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
794         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
795         than Driver option.
796         * config/hpux11.opt (mt): Likewise.
797         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
798         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
799         * config/vax/elf.opt (mno-asm-pic): Likewise.
800         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
802 2011-02-21  Mike Stump  <mikestump@comcast.net>
804         PR target/47822
805         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
806         tree so we can get save the type.
807         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
808         for CFString instead of trying to use past the end of the builtins.
809         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
810         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
811         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
812         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
813         Rename to darwin_builtin_cfstring.
814         (darwin_init_cfstring_builtins): Return the built type.
816 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
818         PR target/47840
819         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
820         (_mm256_insert_epi64): Use _mm_insert_epi64.
822 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
824         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
825         * config/stormy16/stormy16-protos.h
826         (xstormy16_mode_dependent_address_p): Remove.
827         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
828         Make static. Change return type to bool. Change argument type to
829         const_rtx. Remove dead code.
830         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
832 2011-02-21  Richard Guenther  <rguenther@suse.de>
834         PR lto/47820
835         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
836         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
837         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
838         TUs context.
839         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
840         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
842 2011-02-20  Richard Guenther  <rguenther@suse.de>
844         PR lto/47822
845         * tree.c (free_lang_data_in_decl): Clean builtins from
846         the TU decl BLOCK_VARS.
848 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
850         PR debug/47620
851         PR debug/47630
852         * haifa-sched.c (fix_tick_ready): Skip tick computation
853         for debug insns.
855 2011-02-19  Richard Guenther  <rguenther@suse.de>
857         PR lto/47647
858         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
859         Remove lazy BLOCK_VARS streaming.
860         (lto_input_ts_block_tree_pointers): Likewise.
861         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
863 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
865         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
867 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
869         * config/i386/biarch32.h, config/i386/mach.h,
870         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
872 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
874         PR target/47800
875         * config/i386/i386.md (peephole2 for shift and plus): Use
876         operands[1] original mode in the first insn.
878 2011-02-18  Mike Stump  <mikestump@comcast.net>
880         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
882 2011-02-18  Jan Hubicka  <jh@suse.cz>
884         PR middle-end/47788
885         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
886         to zero when the function is not inlinable at all.
888 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
890         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
891         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
892         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
893         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
894         * config/pa/t-pa64: Likewise.
895         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
897 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
899         PR driver/47787
900         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
902 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
904         PR target/47792
905         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
907 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
909         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
910         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
911         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
912         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
913         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
914         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
915         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
916         m32r_load_postinc_p, m32r_store_preinc_predec_p,
917         m32r_legitimate_address_p): New functions.
918         * config/m32r/constraints.md (constraint "S"): Don't use
919         STORE_PREINC_PREDEC_P.
920         (constraint "U"): Don't use LOAD_POSTINC_P.
922 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
924         PR rtl-optimization/46178
925         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
926         compute ira_hard_regno_cover_class[].
928 2011-02-18  Richard Guenther  <rguenther@suse.de>
930         PR lto/47798
931         * lto-streamer.h (lto_global_var_decls): Declare.
932         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
933         statics for global var processing.
935 2011-02-18  Richard Guenther  <rguenther@suse.de>
937         PR tree-optimization/47737
938         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
939         edge dominance check.
941 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
943         PR debug/47780
944         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
945         avoid invalid rtx sharing.
947 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
949         * doc/cpp.texi (Obsolete Features): Add background on the
950         origin of assertions.
952 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
954         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
955         objc_abi == 2.
956         * config/darwin.c (output_objc_section_asm_op): Added support for
957         ABI v1 and v2.
958         (is_objc_metadata): New.
959         (darwin_objc2_section): New.
960         (darwin_objc1_section): New.
961         (machopic_select_section): Added support for ABI v1 and v2.
962         (darwin_emit_objc_zeroed): New.
963         (darwin_output_aligned_bss): Detect objc metadata and treat it
964         appropriately.
965         (darwin_asm_output_aligned_decl_common): Same.
966         (darwin_asm_output_aligned_decl_local): Same.
967         * config/darwin-sections.def: Updated for ABI v1 and v2.
968         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
969         compiling Objective-C code for the NeXT runtime, default to using
970         ABI version 0 for 32-bit, and version 2 for 64-bit.
972 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
974         * common.opt (optimize_fast): New Variable.
975         * opts.c (default_options_optimization): Use opts->x_optimize_fast
976         instead of local variable ofast.
978 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
980         * doc/invoke.texi (fobjc-abi-version): Documented.
981         (fobjc-nilcheck): Documented.
982         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
983         version.
985 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
987         PR driver/47390
988         * common.opt (export-dynamic): New Driver option.
989         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
991 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
993         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
995 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
996             Jan Hubicka  <jh@suse.cz>
998         PR debug/47106
999         PR debug/47402
1000         * cfgexpand.c (account_used_vars_for_block): Remove.
1001         (estimated_stack_frame_size): Use referenced vars.
1002         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
1003         that were referenced in the original function.  Test src_fn
1004         rather than cfun.  Drop redundant get_var_ann.
1005         (setup_one_parameter): Drop redundant get_var_ann.
1006         (declare_return_variable): Likewise.
1007         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
1008         (copy_arguments_for_versioning): Drop redundant get_var_ann.
1009         * ipa-inline.c (compute_inline_parameters): Do not compute
1010         disregard_inline_limits here.
1011         (compute_inlinable_for_current, pass_inlinable): New.
1012         (pass_inline_parameters): Require PROP_referenced_vars.
1013         * cgraphunit.c (cgraph_process_new_functions): Don't run
1014         compute_inline_parameters explicitly unless function is in SSA form.
1015         (cgraph_analyze_function): Set .disregard_inline_limits.
1016         * tree-sra.c (convert_callers): Compute inliner parameters
1017         only for functions already in SSA form.
1019 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1021         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
1022         -mlittle-endian-data.
1024 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1026         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
1027         -mno-fpu, not -fpu and -no-fpu.
1028         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
1029         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
1031 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
1033         PR target/43653
1034         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
1035         input reload with PLUS RTX.
1037 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1039         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
1040         of InverseVar(MDMX).
1042 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1044         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
1045         --m4-340.
1047 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1049         * config/mn10300/mn10300.opt (mno-crt0): New.
1051 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1053         * config/m68k/uclinux.opt (static-libc): New Driver option.
1055 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1057         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
1059 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1061         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
1062         %{muser-extend-enabled}.
1064 2011-02-16  Richard Guenther  <rguenther@suse.de>
1066         PR tree-optimization/47738
1067         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
1068         the TODO from tree_predictive_commoning.
1070 2011-02-15  Jeff Law  <law@redhat.com>
1072         Revert
1073         2011-01-25  Jeff Law  <law@redhat.com>
1075         PR rtl-optimization/37273
1076         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1077         handle them like argument loads from stack slots.  Do not double
1078         count memory for memory constants and argument loads from stack slots.
1080 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1082         PR middle-end/47725
1083         * combine.c (cant_combine_insn_p): Revert the last change.
1085 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1087         PR target/47755
1088         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1089         mode for vector constants.  Remove code that checks for TImode.
1091 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1093         PR debug/47106
1094         PR debug/47402
1095         * cgraph.h (compute_inline_parameters): Return void.
1096         * ipa-inline.c (compute_inline_parameters): Adjust.
1098 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1100         PR debug/47106
1101         PR debug/47402
1102         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1103         rather than decl.
1104         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1105         * ipa-inline.c (compute_inline_parameters): Adjust.
1107 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1109         PR debug/47106
1110         PR debug/47402
1111         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1112         Adjust all users.  Pass FN to...
1113         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1114         fn argument.
1115         * ipa-struct-reorg.c: Adjust.
1116         * tree-dfa.c: Adjust.
1117         * tree-into-ssa.c: Adjust.
1118         * tree-sra.c: Adjust.
1119         * tree-ssa-alias.c: Adjust.
1120         * tree-ssa-live.c: Adjust.
1121         * tree-ssa.c: Adjust.
1122         * tree-ssanames.c: Adjust.
1123         * tree-tailcall.c: Adjust.
1125 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1127         PR debug/47106
1128         PR debug/47402
1129         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1130         Adjust all callers.
1131         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1132         * tree-flow-inline.h: Adjust.
1133         * gimple-pretty-print.c: Adjust.
1134         * tree-into-ssa.c: Adjust.
1135         * tree-ssa.c: Adjust.
1136         * cfgexpand.c: Adjust.
1138 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1140         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1141         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1142         (EXTRA_CONSTRAINT): Delete.
1143         * config/iq2000/constraints.md: New file.
1144         * config/iq2000/iq2000.md: Include it.
1145         (define_insn ""): Delete.
1146         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1147         unsupported constraint letters from patterns.
1148         (call_value, call_value_internal1): Likewise.
1149         (call_value_multiple_internal1): Likewise.
1151 2011-02-15  Nick Clifton  <nickc@redhat.com>
1153         * config/mn10300/mn10300.c: Include tm-constrs.h.
1154         (struct liw_data): New data structure describing an LIW candidate
1155         instruction.
1156         (extract_bundle): Use struct liw_data.  Allow small integer
1157         operands for some instructions.
1158         (check_liw_constraints): Use struct liw_data.  Remove swapped
1159         parameter.  Add comments describing the checks.  Fix bug when
1160         assigning the source of liw1 to the source of liw2.
1161         (liw_candidate): Delete.  Code moved into extract_bundle.
1162         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1163         before swapping.
1164         * config/mn10300/predicates.md (liw_operand): New predicate.
1165         Allows registers and small integer constants.
1166         * config/mn10300/constraints.md (O): New constraint.  Accetps
1167         integers in the range -8 to +7 inclusive.
1168         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1169         for moving a small integer into a register.  Give this alternative
1170         LIW attributes.
1171         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1172         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1173         using the J,K,L and M constraints,
1174         (liw): Remove SI mode on second operands to allow for HI and QI
1175         mode values.
1176         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1177         instruction.
1179 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1181         PR middle-end/47725
1182         * combine.c (cant_combine_insn_p): Check zero/sign extended
1183         hard registers.
1185 2011-02-15  Richard Guenther  <rguenther@suse.de>
1187         PR tree-optimization/47743
1188         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1189         for a non-type-compatible VN lookup bail out.
1191 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1193         * config/fr30/constraints.md: New file.
1194         * config/fr30/fr30.md: Include it.
1195         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1196         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1197         (EXTRA_CONSTRAINT): Delete.
1199 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1201         * config/frv/constraints.md: New file.
1202         * config/frv/predicates.md: Include it.
1203         * config/frv/frv.c (reg_class_from_letter): Delete.
1204         (frv_option_override): Don't initialize it.
1205         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1206         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1207         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1208         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1209         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1210         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1211         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1212         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1213         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1214         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1215         (REG_CLASS_FROM_CONSTRAINT): Delete.
1217 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1219         PR middle-end/47581
1220         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1221         if frame size is 0 in a leaf function.
1223 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1225         PR pch/14940
1226         * config/alpha/host-osf.c: New file.
1227         * config/alpha/x-osf: New file.
1228         * config.host (alpha*-dec-osf*): Use it.
1230 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1232         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1233         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1234         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1235         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1236         type to const_rtx.
1237         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1239 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1241         * config/stormy16/constraints.md: New file.
1242         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1243         Use satisfies_constraint_Q and satisfies_constraint_R.
1244         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1245         Delete.
1246         (xstormy16_legitiamte_address_p): Declare.
1247         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1248         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1249         (EXTRA_CONSTRAINT): Delete.
1250         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1251         Un-staticize.
1252         (xstormy16_extra_constraint_p): Delete.
1254 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1256         PR tree-optimization/46494
1257         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1258         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1259         (pass_rtl_loop_done): Add TODO_verify_flow.
1260         * fwprop.c (pass_rtl_fwprop): Likewise.
1261         * modulo-sched.c (pass_sms): Likewise.
1262         * tree-ssa-dom.c (pass_dominator): Likewise.
1263         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1264         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1265         (pass_tree_loop_done): Likewise.
1266         * tree-ssa-pre.c (execute_pre): Likewise.
1267         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1268         * tree-ssa-sink.c (pass_sink_code): Likewise.
1269         * tree-vrp.c (pass_vrp): Likewise.
1271 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1273         * config/v850/constraints.md: New file.
1274         * config/v850/v850.md: Include it.
1275         * config/v850/predicates.md (reg_or_0_operand): Use
1276         satisfies_constraint_G.
1277         (special_symbolref_operand): Use satisfies_constraint_K.
1278         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1279         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1280         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1281         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1282         (EXTRA_CONSTRAINT): Delete.
1283         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1284         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1285         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1287 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1289         PR target/47696
1290         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1291         description.
1293 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1295         * config/mcore/constraints.md: New file.
1296         * config/mcore/mcore.md: Include it.
1297         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1298         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1299         (REG_CLASS_FROM_LETTER): Delete.
1300         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1301         insn_const_int_ok_for_constraint.
1302         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1303         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1304         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1305         (EXTRA_CONSTRAINT): Delete.
1307 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1309         PR ada/41929
1310         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1311         (IS_SIGHANDLER): Define.
1312         (sparc64_is_sighandler): New function, split off from
1313         sparc64_fallback_frame_state.
1314         (sparc_is_sighandler): New function, split off from
1315         sparc_fallback_frame_state.
1316         (sparc64_fallback_frame_state): Merge with ...
1317         (sparc_fallback_frame_state): ... this into ...
1318         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1319         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1320         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1321         stack instead of hardcoded offsets.
1323 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1325         PR target/45808
1326         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1328 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1330         * configure: Regenerate.
1332 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1334         PR driver/45731
1335         * gcc.c (asm_options): Correct spec matching --target-help.
1337 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1339         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1340         to gimple call error.
1342 2011-02-12  Mike Stump  <mikestump@comcast.net>
1344         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1345         comments in backslash regions.
1347 2011-02-12  Mike Stump  <mikestump@comcast.net>
1348             Jakub Jelinek  <jakub@redhat.com>
1349             Iain Sandoe  <iains@gcc.gnu.org>
1351         PR target/47324
1352         * dwarf2out.c (output_cfa_loc): When required, apply the
1353         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1354         (output_loc_sequence): Likewise.
1355         (output_loc_operands_raw): Likewise.
1356         (output_loc_sequence_raw): Likewise.
1357         (output_cfa_loc): Likewise.
1358         (output_loc_list): Suppress register number adjustment when
1359         calling output_loc_sequence()
1360         (output_die): Likewise.
1362 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1364         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1365         Remove macros.
1366         * config/xtensa/xtensa.c (xtensa_register_move_cost,
1367         xtensa_memory_move_cost): New functions.
1368         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
1370 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
1372         PR lto/47225
1373         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
1374         in the current directory.
1375         * configure: Rebuilt.
1377 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1379         * config/darwin.c (darwin_override_options): Add a hunk missed
1380         from the commit of r168571.  Trim comment line lengths and
1381         correct indents of the preceding block.
1383 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1385         * gcc.c (driver_handle_option): Concatenate the argument to -F with
1386         the switch.
1388 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1390         * common.opt (nostartfiles): New Driver option.
1392 2011-02-11  Xinliang David Li  <davidxl@google.com>
1394         PR tree-optimization/47707
1395         * tree-chrec.c (convert_affine_scev): Keep type precision.
1397 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1399         PR tree-optimization/47420
1400         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
1402 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
1404         PR rtl-optimization/47614
1405         * rtl.h (check_for_inc_dec): Declare.
1406         * dse.c (check_for_inc_dec): Externalize...
1407         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
1408         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
1410 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1412         PR driver/47678
1413         * gcc.c (main): Do not compile inputs if there were errors in
1414         option handling.
1415         * opts-common.c (read_cmdline_option): Check for wrong language
1416         after other error checks.
1418 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1420         * cgraph.c: Fix comment typos.
1421         * cgraph.h: Likewise.
1422         * cgraphunit.c: Likewise.
1423         * ipa-cp.c: Likewise.
1424         * ipa-inline.c: Likewise.
1425         * ipa-prop.c: Likewise.
1426         * ipa-pure-const.c: Likewise.
1427         * ipa-ref.c: Likewise.
1428         * ipa-reference.c: Likewise.
1430 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1432         PR debug/47684
1433         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1435 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1437         PR testsuite/47400
1438         * doc/sourcebuild.texi (Require Support): Document
1439         dg-require-ascii-locale.
1441 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1443         * doc/lto.texi (Write summary): Fix missing parentheses.
1445 2011-02-10  DJ Delorie  <dj@redhat.com>
1447         * config/m32c/m32c.c (m32c_option_override): Disable
1448         -fcombine-stack-adjustments until flag value tracking and compare
1449         optimization can be rewritten.
1451 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1453         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1454         PROCESSOR_POWER7.
1455         (PROCESSOR_DEFAULT64): Likewise.
1457 2011-02-10  Richard Henderson  <rth@redhat.com>
1459         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1460         change from 2011-02-03.
1461         * config/rx/rx.c (flags_from_code): Likewise.
1462         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1463         is valid, n/pz otherwise.
1464         (rx_select_cc_mode): Return CCmode if Y is not zero.
1466 2011-02-10  Richard Guenther  <rguenther@suse.de>
1468         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1470 2011-02-10  Richard Guenther  <rguenther@suse.de>
1472         PR tree-optimization/47677
1473         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1475 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1477         PR target/47665
1478         * combine.c (make_compound_operation): Only change shifts into
1479         multiplication for SCALAR_INT_MODE_P.
1481 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1483         PR testsuite/47622
1484         Revert
1485         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1486         PR debug/42631
1487         * web.c (entry_register): Don't clobber the number of the
1488         first uninitialized reference in used[].
1490 2011-02-09  Richard Guenther  <rguenther@suse.de>
1492         PR tree-optimization/47664
1493         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1494         all edges again.
1496 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1498         PR target/46481
1499         PR target/47032
1500         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1501         PROCESSOR_POWER7.
1502         (PROCESSOR_DEFAULT64): Same.
1503         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1505 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1507         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1509 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1511         PR middle-end/45505
1512         * tree-sra.c (struct access): New flags grp_scalar_read and
1513         grp_scalar_write.  Changed description of assignment read and write
1514         flags.
1515         (dump_access): Dump new flags, reorder all of them.
1516         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1517         to detect multiple scalar reads.
1518         (analyze_access_subtree): Use the new scalar read write flags instead
1519         of the old flags.  Adjusted comments.
1521 2011-02-08  DJ Delorie  <dj@redhat.com>
1523         PR target/47548
1524         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1525         patterns.
1527 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1529         * config/m68k/uclinux.opt: New.
1530         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1532 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1534         * config/cris/elf.opt (sim): New Driver option.
1536 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1538         * config/xtensa/elf.opt: New.
1539         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1541 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1543         * config/vax/elf.opt: New.
1544         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1546 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1548         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1550 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1552         * config/gnu-user.opt: New.
1553         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1554         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1555         *-*-uclinux*): Use gnu-user.opt.
1557 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1559         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1560         * config/i386/gnu.h (CPP_SPEC): Likewise.
1562 2011-02-08  Ian Lance Taylor  <iant@google.com>
1564         * common.opt (fcx-limited-range): Add SetByCombined flag.
1565         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1566         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1567         (fassociative-math, freciprocal-math): Likewise.
1568         (funsafe-math-optimizations): Likewise.
1569         * opth-gen.awk: Handle SetByCombined.
1570         * optc-gen.awk: Likewise.
1571         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1572         (set_unsafe_math_optimizations_flags): Likewise.
1573         * doc/options.texi (Option properties): Document SetByCombined.
1575 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1577         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1578         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1579         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1580         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1581         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1583 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1585         PR tree-optimization/46834
1586         PR tree-optimization/46994
1587         PR tree-optimization/46995
1588         * graphite-sese-to-poly.c (used_outside_reduction): New.
1589         (detect_commutative_reduction): Call used_outside_reduction.
1590         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1591         translate_scalar_reduction_to_array only when at least one
1592         loop-phi/close-phi tuple has been detected.
1594 2011-02-08  Richard Guenther  <rguenther@suse.de>
1596         PR middle-end/47639
1597         * tree-vect-generic.c (expand_vector_operations_1): Update
1598         stmts here ...
1599         (expand_vector_operations): ... not here.  Cleanup EH info
1600         and the CFG if required.
1602 2011-02-08  Richard Guenther  <rguenther@suse.de>
1604         PR tree-optimization/47641
1605         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1606         require type compatibility.
1608 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1610         * gimple-low.c (lower_function_body): Don't remove the location of
1611         the return statement here.
1612         (lower_gimple_return): Do it here instead but only if the return
1613         statement is actually used twice.
1615 2011-02-08  Richard Guenther  <rguenther@suse.de>
1617         PR tree-optimization/47632
1618         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1619         unused up_to_stmt parameter, return whether cfg-cleanup is
1620         necessary, remove EH info properly.
1621         (forward_propagate_into_gimple_cond): Adjust caller.
1622         (forward_propagate_into_cond): Likewise.
1623         (forward_propagate_comparison): Likewise.
1624         (tree_ssa_forward_propagate_single_use_vars): Make
1625         forward_propagate_comparison case similar to the two others.
1627 2011-02-08  Nick Clifton  <nickc@redhat.com>
1629         * config/mn10300/mn10300.opt (mliw): New command line option.
1630         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1631         (liw_bundling): New automaton.
1632         (liw): New attribute.
1633         (liw_op): New attribute.
1634         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1635         (movsi_internal): Add LIW attributes.
1636         (andsi3): Likewise.
1637         (iorsi3): Likewise.
1638         (xorsi3): Likewise.
1639         (addsi3): Separate register and immediate alternatives.
1640         Add LIW attributes.
1641         (subsi3): Likewise.
1642         (cmpsi): Likewise.
1643         (aslsi3): Likewise.
1644         (lshrsi3): Likewise.
1645         (ashrsi3): Likewise.
1646         (liw): New pattern.
1647         * config/mn10300/mn10300.c (liw_op_names): New
1648         (mn10300_print_operand): Handle 'W' operand descriptor.
1649         (extract_bundle): New function.
1650         (check_liw_constraints): New function.
1651         (liw_candidate): New function.
1652         (mn10300_bundle_liw): New function.
1653         (mn10300_reorg): New function.
1654         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1655         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1656         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1657         __LIW__ or __NO_LIW__.
1658         * doc/invoke.texi: Describe the -mliw command line option.
1660 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1662         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1663         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1664         pthread_mutex_unlock): Remove.
1665         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1666         * config/pa/t-pa64: Likewise.
1667         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1668         shared libc if not linking against libpthread.
1669         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1671 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1673         PR target/47558
1674         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1675         on 10.6 and later to ensure that we always use the unwinder from
1676         the system.  Only add -no_compact_unwind when tarteting darwin
1677         10.6 or later.
1679 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1681         PR target/46997
1682         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1683         (vec_interleave_lowv2sf): Ditto.
1684         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1685         (vec_extract_oddv2sf): Ditto.
1687 2011-02-07  Mike Stump  <mikestump@comcast.net>
1689         PR target/42333
1690         Add __ieee_divdc3 entry point.
1691         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1692         entry point.
1693         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1694         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1695         * config/darwin.c (darwin_rename_builtins): Add.
1696         * config/darwin-protos.h (darwin_rename_builtins): Add.
1698 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1700         PR target/47636
1701         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1702         for the condition.
1704 2011-02-07  Mike Stump  <mikestump@comcast.net>
1706         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1708 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1710         PR target/47534
1711         * config/avr/libgcc.S (exit): Move .endfunc
1713 2011-02-07  Richard Guenther  <rguenther@suse.de>
1715         PR tree-optimization/47615
1716         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1717         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1718         (run_scc_vn): Initialize it.
1719         (visit_reference_op_load): Use it.
1720         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1722 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1724         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1725         DImode trapping arithmetic libfuncs.
1727 2011-02-07  Richard Guenther  <rguenther@suse.de>
1729         PR tree-optimization/47621
1730         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1731         two duplicates ...
1732         (execute_update_addresses_taken): ... here.  Make it more
1733         conservative in what we accept.
1735 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1737         * config/sparc/freebsd.h (ASM_SPEC): Define.
1738         * config/sparc/vxworks.h (ASM_SPEC): Define.
1740 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1742         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1744 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1746         * doc/invoke.texi: Remove reference to compiler internals from
1747         user documentation.
1749         * reg-notes.def: Remove REG_VALUE_PROFILE.
1750         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1752 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1754         PR middle-end/47610
1755         * varasm.c (default_section_type_flags): If decl is NULL,
1756         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1758 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1760         PR debug/42631
1761         * web.c (entry_register): Don't clobber the number of the
1762         first uninitialized reference in used[].
1764 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1766         PR tree-optimization/46194
1767         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1768         (build_classic_dist_vector_1): Do not represent classic distance
1769         vectors when the access functions are variating in different loops.
1771 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1773         * config/mips/iris6.opt: New.
1774         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1776 2011-02-04  Richard Henderson  <rth@redhat.com>
1777             Steve Ellcey  <sje@cup.hp.com>
1779         PR target/46997
1780         * config/ia64/predicates.md (mux1_brcst_element): New.
1781         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1782         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1783         (ia64_unpack_sign): New.
1784         (ia64_expand_unpack): Rewrite using new routines.
1785         (ia64_expand_widen_sum): Ditto.
1786         (ia64_expand_dot_prod_v8qi): Ditto.
1787         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1788         routines, add endian check.
1789         (pmpy2_even): Rename from pmpy2_r, add endian check.
1790         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1791         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1792         (vec_widen_smult_hi_v4hi): Ditto.
1793         (vec_widen_umult_lo_v4hi): Ditto.
1794         (vec_widen_umult_hi_v4hi): Ditto.
1795         (mulv2si3): Change endian checks.
1796         (sdot_prodv4hi): Rewrite with new calls.
1797         (udot_prodv4hi): New.
1798         (vec_pack_ssat_v4hi): Add endian check.
1799         (vec_pack_usat_v4hi): Ditto.
1800         (vec_pack_ssat_v2si): Ditto.
1801         (max1_even): Rename from max1_r, add endian check.
1802         (max1_odd): Rename from max1_l, add endian check.
1803         (*mux1_rev): Format change.
1804         (*mux1_mix): Ditto.
1805         (*mux1_shuf): Ditto.
1806         (*mux1_alt): Ditto.
1807         (*mux1_brcst_v8qi): Use new predicate.
1808         (vec_extract_evenv8qi): Remove endian check.
1809         (vec_extract_oddv8qi): Ditto.
1810         (vec_interleave_lowv4hi): Format change.
1811         (vec_interleave_highv4hi): Ditto.
1812         (mix2_even): Rename from mix2_r, add endian check.
1813         (mix2_odd): Rename from mux2_l, add endian check.
1814         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1815         (vec_extract_evenodd_helper): Format change.
1816         (vec_extract_evenv4hi): Remove endian check.
1817         (vec_extract_oddv4hi): Remove endian check.
1818         (vec_interleave_lowv2si): Format change.
1819         (vec_interleave_highv2si): Format change.
1820         (vec_initv2si): Remove endian check.
1821         (vecinit_v2si): Add endian check.
1822         (reduc_splus_v2sf): Add endian check.
1823         (reduc_smax_v2sf): Ditto.
1824         (reduc_smin_v2sf): Ditto.
1825         (vec_initv2sf): Remove endian check.
1826         (fpack): Add endian check.
1827         (fswap): Add endian check.
1828         (vec_interleave_highv2sf): Add endian check.
1829         (vec_interleave_lowv2sf): Add endian check.
1830         (fmix_lr): Add endian check.
1831         (vec_setv2sf): Format change.
1832         (*vec_extractv2sf_0_be): Use shift to extract operand.
1833         (*vec_extractv2sf_1_be): New.
1834         (vec_pack_trunc_v4hi): Add endian check.
1835         (vec_pack_trunc_v2si): Format change.
1837 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1839         PR inline-asm/23200
1840         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1841         do bb, locus and block comparison and disallow loads if it is not set.
1842         (stmt_is_replaceable_p): New function.
1843         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1844         callers.
1845         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1846         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1847         SSA_NAME_DEF_STMT.
1848         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1850 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1852         * config/rs6000/xilinx.opt: New.
1853         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1855 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1857         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1859 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1861         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1862         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1863         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1864         secondary_reload_info, xtensa_secondary_reload): Remove.
1865         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1866         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1867         (xtensa_preferred_reload_class): Make static. Change return and
1868         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1869         Use CONST_DOUBLE_P predicate.
1870         (xtensa_preferred_output_reload_class): New function.
1871         (xtensa_secondary_reload): Make static.
1873 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1875         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1876         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1877         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1879 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1881         PR middle-end/31490
1882         * output.h (SECTION_RELRO): Define.
1883         (SECTION_MACH_DEP): Adjust.
1884         (get_variable_section): New prototype.
1885         * varpool.c (varpool_finalize_named_section_flags): New function.
1886         (varpool_assemble_pending_decls): Call it.
1887         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1888         * cgraphunit.c (cgraph_output_in_order): Call
1889         varpool_finalize_named_section_flags.
1890         * varasm.c (get_section): Allow section flags conflicts between
1891         relro and read-only sections if the section hasn't been declared yet.
1892         Set SECTION_OVERRIDE after diagnosing section type conflict.
1893         (get_variable_section): No longer static.
1894         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1895         readonly sections that need relocations.
1896         (decl_readonly_section_1): New function.
1897         (decl_readonly_section): Use it.
1899         Revert:
1900         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1901                     Steve Ellcey  <sje@cup.hp.com>
1903         PR middle-end/31490
1904         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1905         if section attribute used.
1907 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1909         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1910         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1911         (darwin_init_sections): Remove assertion.
1913 2011-02-03  Nick Clifton  <nickc@redhat.com>
1915         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1916         lt and ge.
1917         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1918         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1919         instead of "n" and "pz".
1920         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1921         CC_FLAG_S.
1923 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1925         PR target/47312
1926         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1927         fma, expand FMA_EXPR as fma{,f,l} call.
1929         PR lto/47274
1930         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1931         copy them into a unsigned char variable and pass address of it to
1932         lto_output_data_stream.
1934         PR target/47564
1935         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1936         around backend_init_target and lang_dependent_init_target calls.
1937         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1938         (verify_cgraph_node): Don't call set_cfun here.  Use
1939         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1940         Set error_found for incorrectly represented calls to thunks.
1942 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1944         PR debug/43092
1945         PR rtl-optimization/43494
1946         * rtl.h (for_each_inc_dec_fn): New type.
1947         (for_each_inc_dec): Declare.
1948         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1949         (for_each_inc_dec_find_inc_dec): New fn.
1950         (for_each_inc_dec_find_mem): New fn.
1951         (for_each_inc_dec): New fn.
1952         * dse.c (struct insn_size): Remove.
1953         (replace_inc_dec, replace_inc_dec_mem): Remove.
1954         (emit_inc_dec_insn_before): New fn.
1955         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1956         (canon_address): Pass mem modes to cselib_lookup.
1957         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1958         (cselib_lookup_from_insn): Likewise.
1959         (cselib_subst_to_values): Likewise.
1960         * cselib.c (find_slot_memmode): New var.
1961         (cselib_find_slot): New fn.  Use it instead of
1962         htab_find_slot_with_hash everywhere.
1963         (entry_and_rtx_equal_p): Use find_slot_memmode.
1964         (autoinc_split): New fn.
1965         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1966         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1967         Deal with autoinc.  Special-case recursion into MEMs.
1968         (cselib_hash_rtx): Likewise.
1969         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1970         address and MEM modes.
1971         (cselib_subst_to_values): Add memmode, pass it on.
1972         Deal with autoinc.
1973         (cselib_lookup): Add memmode argument, pass it on.
1974         (cselib_lookup_from_insn): Add memmode.
1975         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1976         (struct cselib_record_autoinc_data): New.
1977         (cselib_record_autoinc_cb): New fn.
1978         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1979         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1980         (cselib_process_insn): ... here.
1981         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1982         to cselib_lookup.
1983         (add_uses): Likewise, also to cselib_subst_to_values.
1984         (add_stores): Likewise.
1985         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1986         cselib_subst_to_values.
1987         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1988         * gcse.c (do_local_cprop): Adjusted.
1989         * postreload.c (reload_cse_simplify_set): Adjusted.
1990         (reload_cse_simplify_operands): Adjusted.
1991         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1993 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1995         PR tree-optimization/45122
1996         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1997         unsafe assumptions when there's more than one loop exit.
1999 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2001         PR target/47272
2002         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
2003         Document using vector double with the load/store builtins, and
2004         that the load/store builtins always use Altivec instructions.
2006         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
2007         to use altivec memory instructions, even on VSX.
2008         (vector_altivec_store_<mode>): Ditto.
2010         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
2011         function.
2013         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2014         V2DF, V2DI support to load/store overloaded builtins.
2016         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
2017         altivec load/store builtins for V2DF/V2DI types.
2019         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
2020         set avoid indexed addresses on power6 if -maltivec.
2021         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
2022         vector_altivec_load/vector_altivec_store builtins.
2023         (altivec_expand_st_builtin): Ditto.
2024         (altivec_expand_builtin): Add VSX memory builtins.
2025         (rs6000_init_builtins): Add V2DI types to internal types.
2026         (altivec_init_builtins): Add support for V2DF/V2DI altivec
2027         load/store builtins.
2028         (rs6000_address_for_altivec): Insure memory address is appropriate
2029         for Altivec.
2031         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
2032         vec_vsx_ld and vec_vsx_st.
2033         (vsx_store_<mode>): Ditto.
2035         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
2036         variables to hold long long types for VSX vector memory builtins.
2037         (RS6000_BTI_unsigned_long_long): Ditto.
2038         (long_long_integer_type_internal_node): Ditti.
2039         (long_long_unsigned_type_internal_node): Ditti.
2041         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
2042         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
2043         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
2045         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
2046         short cuts.
2047         (vec_vsx_st): Ditto.
2049 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2051         * config/pa/pa-hpux10.opt: New.
2052         * config/hpux11.opt (pthread): New Driver option.
2053         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
2054         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
2056 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2058         * config/ia64/vms.opt: New.
2059         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
2061 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2063         PR target/47580
2064         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
2065         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
2066         generator functions.
2067         (vsx_floatuns<VSi><mode>2): Ditto.
2068         (vsx_fix_trunc<mode><VSi>2): Ditto.
2069         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
2071 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2073         * config/i386/djgpp.opt (posix): New Driver option.
2075 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2077         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
2078         Move to the unsupported targets list.
2080 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
2082         PR rtl-optimization/47525
2083         * df-scan.c: Update copyright years.
2084         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
2085         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2087 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2089         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2090         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2091         (ASM_OUTPUT_ASCII): Remove.
2092         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2094 2011-02-02  Jeff Law  <law@redhat.com>
2096         PR middle-end/47543
2097         * reload.c (find_reloads_address): Handle reg+d address where both
2098         components are invalid by reloading the entire address.
2100 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2101             Richard Guenther  <rguenther@suse.de>
2103         PR tree-optimization/40979
2104         PR bootstrap/47044
2105         * passes.c (init_optimization_passes): After LIM call copy_prop
2106         and DCE to clean up.
2107         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2109 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2111         PR tree-optimization/47576
2112         PR tree-optimization/47555
2113         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2114         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2115         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2116         * tree-scalar-evolution.c (follow_ssa_edge): Use
2117         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2119 2011-02-02  Richard Guenther  <rguenther@suse.de>
2121         PR tree-optimization/47566
2122         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2124 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2126         PR debug/47106
2127         PR debug/47402
2128         * tree-inline.c (declare_return_variable): Remove unused caller
2129         variable.
2131         PR debug/47106
2132         PR debug/47402
2133         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2134         * cfgexpand.c (account_used_vars_for_block): Use them.
2135         * tree-nrv.c (tree_nrv): Likewise.
2136         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2137         (dump_scope_block): Likewise.
2138         (remove_unused_locals): Likewise.
2140         PR debug/47106
2141         PR debug/47402
2142         * tree-inline.c (declare_return_variable): Add result decl to
2143         local decls only once.
2144         * gimple-low.c (record_vars_into): Mark newly-created variables
2145         as referenced.
2147 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2149         PR debug/47498
2150         PR debug/47501
2151         PR debug/45136
2152         PR debug/45130
2153         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2154         debug insns.
2155         (no_real_insns_p, schedule_block, set_priorities): Drop special
2156         treatment of boundary debug insns.
2157         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2158         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2159         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2160         (BOUNDARY_DEBUG_INSN_P): Likewise.
2161         (SCHEDULE_DEBUG_INSN_P): Likewise.
2162         * sched-rgn.c (init_ready_list): Drop special treatment of
2163         boundary debug insns.
2164         * final.c (rest_of_clean_state): Clear notes' BB.
2166 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2168         * config/openbsd.opt (assert=): New Driver option.
2170 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2172         * config/i386/nto.opt: New.
2173         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2175 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2177         * config/i386/netware.opt: New.
2178         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2180 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2182         * config/interix.opt (posix): New Driver option.
2184 2011-02-01  DJ Delorie  <dj@redhat.com>
2186         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2188         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2189         class for A0/A1.
2191 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2193         PR tree-optimization/47561
2194         * toplev.c (process_options): Print the Graphite flags.  Add
2195         flag_loop_flatten to the list of options requiring Graphite.
2197 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2199         * config/i386/cygming.opt (posix): New Driver option.
2201 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2203         * config/arm/vxworks.opt: New.
2204         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2206 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2208         * config/alpha/elf.opt: New.
2209         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2210         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2212 2011-02-01  Richard Guenther  <rguenther@suse.de>
2214         PR tree-optimization/47559
2215         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2216         store-motion on references that can throw.
2218 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2220         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2221         * tree-pass.h (TDF_CSELIB): New macro.
2222         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2223         cselib_lookup): Check for it rather than for TDF_DETAILS.
2225 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2227         PR driver/47547
2228         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2229         is HOST_BIT_BUCKET.
2231         * opts.c (finish_options): Don't add x_aux_base_name if it is
2232         HOST_BIT_BUCKET.
2234 2011-02-01  Richard Guenther  <rguenther@suse.de>
2236         PR tree-optimization/47555
2237         Revert
2238         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2240         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2242 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2244         PR gcc/46692
2245         * config/lm32/t-lm32: Add multilib for all CPU options.
2247 2011-02-01  Richard Guenther  <rguenther@suse.de>
2249         PR tree-optimization/47541
2250         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2251         sure to have a field at offset zero.
2253 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2255         * config/arc/arc.opt (EB, EL): New Driver options.
2257 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2259         * config/alpha/osf5.opt: New.
2260         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2262 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2264         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2266 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2268         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2269         -floop-interchange.
2270         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2271         is an alias of -floop-interchange and that it requires the
2272         Graphite infrastructure.
2273         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2274         flag_loop_interchange based on the value of flag_tree_loop_linear.
2276 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2277             Richard Guenther  <rguenther@suse.de>
2279         PR tree-optimization/47538
2280         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2281         type instead of r1type, except for comparisons.  For right
2282         shifts and comparisons punt if there are mismatches in
2283         sizetype vs. non-sizetype types.
2285 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2287         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2288         avx_runtime.
2290 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2292         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2293         version number.
2294         * configure: Regenerate.
2296 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2298         * configure.ac (gcc_cv_ld_static_option): Define.
2299         (gcc_cv_ld_dynamic_option): Define.
2300         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2301         instead.
2302         (HAVE_LD_STATIC_DYNAMIC): Update message.
2303         (LD_STATIC_OPTION): Define.
2304         (LD_DYNAMIC_OPTION): Define.
2305         * configure: Regenerate.
2306         * config.in: Regenerate.
2307         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2308         HAVE_LD_STATIC_DYNAMIC]: Use them.
2310 2011-01-31  Nick Clifton  <nickc@redhat.com>
2312         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2313         registers inside interrupt handlers if the handler is not a leaf
2314         function.
2316 2011-01-31  Nick Clifton  <nickc@redhat.com>
2318         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2319         reg_renumber returning an INVALID_REGNUM.
2321 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2323         PR libgcj/44341
2324         * doc/install.texi: Document host options discarded when cross
2325         configuring target libraries.
2327 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2329         Reverted:
2330         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2331         PR debug/45136
2332         PR debug/45130
2333         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2334         debug insns.
2335         (no_real_insns_p, schedule_block, set_priorities): Drop special
2336         treatment of boundary debug insns.
2337         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2338         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2339         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2340         (BOUNDARY_DEBUG_INSN_P): Likewise.
2341         (SCHEDULE_DEBUG_INSN_P): Likewise.
2342         * sched-rgn.c (init_ready_list): Drop special treatment of
2343         boundary debug insns.
2344         * final.c (rest_of_clean-state): Clear notes' BB.
2346 2011-01-31  Alan Modra  <amodra@gmail.com>
2348         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2349         toc relative expressions as we do in print_operand_address.
2351 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2353         * doc/extend.texi: Follow spelling conventions.
2354         * doc/invoke.texi: Fix a typo.
2356 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2358         * config/hpux11.opt: New.
2359         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2360         ia64*-*-hpux*): Use hpux11.opt.
2362 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2364         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
2365         to tmake_file.
2367 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2369         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
2370         support sites.
2372 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2374         * doc/install.texi (Binaries): Remove outdated reference for
2375         Motorola 68HC11/68HC12 downloads.
2377 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2379         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
2380         Drepper's paper.
2382 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
2384         PR bootstrap/47147
2385         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
2386         used by NetBSD.
2388 2011-01-28  Ahmad Sharif  <asharif@google.com>
2390         * value-prof.c (check_counter): Corrected error message.
2392 2011-01-29  Jie Zhang  <jie@codesourcery.com>
2394         * config/arm/arm.c (arm_legitimize_reload_address): New.
2395         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
2396         arm_legitimize_reload_address.
2397         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
2399 2011-01-28  Ian Lance Taylor  <iant@google.com>
2401         * godump.c (go_define): Ignore macros whose definitions include
2402         two adjacent operands.
2404 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2406         PR target/42894
2407         * varasm.c (force_const_mem): Store copy of x in desc->constant
2408         instead of x itself.
2409         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
2410         itself into REG_EQUAL note.
2412 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2414         * config/freebsd.opt (posix, rdynamic): New Driver options.
2416 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2418         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2419         -Bstatic/-Bdynamic.
2420         * configure: Regenerate.
2422 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2424         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2425         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2427 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2429         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2430         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2431         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2432         (s390_preferred_reload_class): Make static. Change return and
2433         'rclass' argument type to reg_class_t.
2435 2011-01-27  Jan Hubicka  <jh@suse.cz>
2437         PR middle-end/46949
2438         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2439         (process_function_and_variable_attributes): Check defined weakrefs.
2441 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2443         PR tree-optimization/47228
2444         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2445         build_ref_for_offset.
2447 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2449         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2451 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2453         PR rtl-optimization/46856
2454         * postreload.c (reload_combine_recognize_const_pattern): Do not
2455         separate cc0 setter and user on cc0 targets.
2457 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2459         PR c/43082
2460         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2461         passed a VOID_TYPE expression, immediately emit an error and
2462         return error_mark_node.
2464 2011-01-26  Jeff Law  <law@redhat.com>
2466         PR rtl-optimization/47464
2467         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2468         rather than may_trap_p as needed.
2470 2011-01-26  DJ Delorie  <dj@redhat.com>
2472         PR rtl-optimization/46878
2473         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2474         setter/user dependency as well.
2476 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2478         PR rtl-optimization/44469
2479         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2480         after removing trivially dead basic blocks.
2482 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2484         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2485         * config/frv/frv.h (LINK_SPEC): Likewise.
2486         * config/i386/netware.h (LINK_SPEC): Likewise.
2487         * config/m68k/linux.h (ASM_SPEC): Likewise.
2488         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2489         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2490         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2491         * config/sparc/linux.h (ASM_SPEC): Likewise.
2492         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2493         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2495 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2497         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2498         * config/frv/frv.h (ASM_SPEC): Likewise.
2499         * config/m68k/linux.h (ASM_SPEC): Likewise.
2500         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2501         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2502         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2503         * config/sparc/linux.h (ASM_SPEC): Likewise.
2504         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2505         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2507 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2509         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2510         * config/frv/frv.h (LINK_SPEC): Likewise.
2511         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2513 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2515         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2516         * config/frv/frv.h (ASM_SPEC): Likewise.
2517         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2518         * config/m68k/linux.h (ASM_SPEC): Likewise.
2519         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2520         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2521         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2522         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2523         * config/sparc/linux.h (ASM_SPEC): Likewise.
2524         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2525         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2526         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2528 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2530         PR target/46997
2531         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2532         (*mux2): Ditto.
2533         (vec_extract_evenodd_help): Ditto.
2534         (vec_extract_evenv4hi): Ditto.
2535         (vec_extract_oddv4hi): Ditto.
2536         (vec_interleave_lowv2si): Ditto.
2537         (vec_interleave_highv2si): Ditto.
2538         (vec_extract_evenv2si): Ditto.
2539         (vec_extract_oddv2si: Ditto.
2540         (vec_pack_trunc_v2si): Ditto.
2542 2011-01-22  Jan Hubicka  <jh@suse.cz>
2544         PR target/47237
2545         * cgraph.h (cgraph_local_info): New field can_change_signature.
2546         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2547         signature can change.
2548         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2549         can change.
2550         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2551         (cgraph_function_versioning): We can not change signature of functions
2552         that don't allow that.
2553         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2554         (lto_input_node): Likewise.
2555         * ipa-inline.c (compute_inline_parameters): Compute
2556         local.can_change_signature.
2557         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2558         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2559         functions that can not change signature.
2560         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2561         init_cumulative_args): Do not use local calling conventions
2562         for functions that can not change signature.
2564 2011-01-22  Jan Hubicka  <jh@suse.cz>
2566         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2568 2011-01-26  Richard Guenther  <rguenther@suse.de>
2570         PR tree-optimization/47190
2571         * cgraphunit.c (process_common_attributes): New function.
2572         (process_function_and_variable_attributes): Use it.
2574 2011-01-26  Richard Guenther  <rguenther@suse.de>
2576         PR lto/47423
2577         * cgraphbuild.c (record_eh_tables): Record reference to personality
2578         function.
2580 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2582         PR debug/45454
2583         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2584         non-debug insns from moving up.
2586 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2588         PR target/40125
2589         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2590         t-dlldir{,-x} fragment for build and add it to tmake_file.
2591         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2592         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2593         * config/i386/t-dlldir: New file.
2594         (SHLIB_DLLDIR): Define.
2595         * config/i386/t-dlldir-x: New file.
2596         (SHLIB_DLLDIR): Define.
2597         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2598         (SHLIB_INSTALL): Use it.
2600 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2602         PR target/47246
2603         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2604         lower bound of the allowed Thumb-2 coprocessor load/store
2605         index range to -256. Add explaining comment.
2607 2011-01-25  Ian Lance Taylor  <iant@google.com>
2609         * godump.c (go_define): Improve lexing of macro expansion to only
2610         accept expressions which match Go spec.
2612 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2614         PR c++/43601
2615         * tree.c (handle_dll_attribute): Handle it.
2616         * doc/extend.texi (@item dllexport): Mention it.
2617         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2619 2011-01-25  Ian Lance Taylor  <iant@google.com>
2621         PR tree-optimization/26854
2622         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2623         (decl_jump_unsafe): Move higher in file, with no other change.
2624         (bind): Set has_jump_unsafe_decl if appropriate.
2625         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2626         (check_earlier_gotos): Likewise.
2627         (c_check_switch_jump_warnings): Likewise.
2629 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2631         * doc/invoke.texi (Warning Options): Add missing hyphen.
2632         (-fprofile-dir): Minor grammatical fixes.
2633         (-fbranch-probabilities): Likewise.
2635 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2637         PR debug/45136
2638         PR debug/45130
2639         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2640         debug insns.
2641         (no_real_insns_p, schedule_block, set_priorities): Drop special
2642         treatment of boundary debug insns.
2643         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2644         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2645         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2646         (BOUNDARY_DEBUG_INSN_P): Likewise.
2647         (SCHEDULE_DEBUG_INSN_P): Likewise.
2648         * sched-rgn.c (init_ready_list): Drop special treatment of
2649         boundary debug insns.
2650         * final.c (rest_of_clean-state): Clear notes' BB.
2652 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2654         * Makefile.in (LAMBDA_H): Removed.
2655         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2656         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2657         lambda-trans.o, and tree-loop-linear.o.
2658         (lto-symtab.o): Remove dependence on LAMBDA_H.
2659         (tree-loop-linear.o): Remove rule.
2660         (lambda-mat.o): Same.
2661         (lambda-trans.o): Same.
2662         (lambda-code.o): Same.
2663         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2664         (tree-vect-slp.o): Same.
2665         * hwint.h (gcd): Moved here.
2666         (least_common_multiple): Same.
2667         * lambda-code.c: Removed.
2668         * lambda-mat.c: Removed.
2669         * lambda-trans.c: Removed.
2670         * lambda.h: Removed.
2671         * tree-loop-linear.c: Removed.
2672         * lto-symtab.c: Do not include lambda.h.
2673         * omega.c (gcd): Removed.
2674         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2675         * tree-data-ref.c (print_lambda_vector): Moved here.
2676         (lambda_vector_copy): Same.
2677         (lambda_matrix_copy): Same.
2678         (lambda_matrix_id): Same.
2679         (lambda_vector_first_nz): Same.
2680         (lambda_matrix_row_add): Same.
2681         (lambda_matrix_row_exchange): Same.
2682         (lambda_vector_mult_const): Same.
2683         (lambda_vector_negate): Same.
2684         (lambda_matrix_row_negate): Same.
2685         (lambda_vector_equal): Same.
2686         (lambda_matrix_right_hermite): Same.
2687         * tree-data-ref.h: Do not include lambda.h.
2688         (lambda_vector): Moved here.
2689         (lambda_matrix): Same.
2690         (dependence_level): Same.
2691         (lambda_transform_legal_p): Removed declaration.
2692         (lambda_collect_parameters): Same.
2693         (lambda_compute_access_matrices): Same.
2694         (lambda_vector_gcd): Same.
2695         (lambda_vector_new): Same.
2696         (lambda_vector_clear): Same.
2697         (lambda_vector_lexico_pos): Same.
2698         (lambda_vector_zerop): Same.
2699         (lambda_matrix_new): Same.
2700         * tree-flow.h (least_common_multiple): Removed declaration.
2701         * tree-parloops.c (lambda_trans_matrix): Moved here.
2702         (LTM_MATRIX): Same.
2703         (LTM_ROWSIZE): Same.
2704         (LTM_COLSIZE): Same.
2705         (LTM_DENOMINATOR): Same.
2706         (lambda_trans_matrix_new): Same.
2707         (lambda_matrix_vector_mult): Same.
2708         (lambda_transform_legal_p): Same.
2709         * tree-pass.h (pass_linear_transform): Removed declaration.
2710         * tree-ssa-loop.c (tree_linear_transform): Removed.
2711         (gate_tree_linear_transform): Removed.
2712         (pass_linear_transform): Removed.
2713         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2714         flag_loop_interchange.
2716 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2718         PR tree-optimization/47265
2719         PR tree-optimization/47443
2720         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2721         if name still has some uses.
2723 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2725         PR tree-optimization/47382
2726         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2727         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2729 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2731         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2732         sjlj_except_unwind_info.
2734 2011-01-25  Richard Guenther  <rguenther@suse.de>
2736         PR tree-optimization/47426
2737         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2738         visible functions results escape.
2740 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2742         PR target/45701
2743         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2744         (arm_get_frame_offsets): Use it.
2746 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2747             Jakub Jelinek  <jakub@redhat.com>
2749         PR tree-optimization/47271
2750         * tree-if-conv.c (bb_postdominates_preds): New.
2751         (if_convertible_bb_p): Call bb_postdominates_preds.
2752         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2753         (predicate_scalar_phi): Call bb_postdominates_preds.
2755 2011-01-25  Nick Clifton  <nickc@redhat.com>
2757         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2758         * config/rx/rx.c (rx_function_value): Likewise.
2759         (rx_promote_function_mode): Likewise.
2760         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2761         in order to make it legitimate.
2762         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2763         make sure that the first operand is the same as the result register.
2764         (addsi3_unspec): Delete.
2765         (subdi3): Do not accept immediate operands.
2766         (subdi3_internal): Likewise.
2768 2011-01-25  Jeff Law  <law@redhat.com>
2770         PR rtl-optimization/37273
2771         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2772         handle them like argument loads from stack slots.  Do not double
2773         count memory for memory constants and argument loads from stack slots.
2775 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2777         PR tree-optimization/47427
2778         PR tree-optimization/47428
2779         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2780         coalesce if the new root var would be TREE_READONLY.
2782 2011-01-25  Richard Guenther  <rguenther@suse.de>
2784         PR middle-end/47414
2785         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2786         correct type for TBAA.
2788 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2790         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2791         (close_phi_written_to_memory): Call for_each_index with
2792         dr_indices_valid_in_loop.
2794 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2796         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2797         when it is initialized.
2799 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2801         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2802         call to graphite_find_data_references_in_stmt.
2803         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2804         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2805         call to graphite_find_data_references_in_stmt.
2806         (analyze_drs_in_stmts): Same.
2807         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2808         in which the scalar analysis of indices is performed.
2809         (create_data_ref): Same.  Update call to dr_analyze_indices.
2810         (find_data_references_in_stmt): Update call to create_data_ref.
2811         (graphite_find_data_references_in_stmt): Same.
2812         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2813         declaration.
2814         (create_data_ref): Same.
2815         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2816         call to create_data_ref.
2818 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2820         * graphite-sese-to-poly.c (build_poly_scop): Move
2821         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2823 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2825         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2826         VAR_DECL, PARM_DECL, and RESULT_DECL.
2828 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2830         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2831         in a reduction PBB.
2832         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2833         that have already been marked as PBB_IS_REDUCTION.
2835 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2837         * graphite-scop-detection.c (same_close_phi_node): New.
2838         (remove_duplicate_close_phi): New.
2839         (make_close_phi_nodes_unique): New.
2840         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2842 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2844         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2845         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2846         of both data references to be the same.
2848 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2850         * graphite-dependences.c (build_lexicographical_constraint): Remove
2851         the gdim parameter.
2852         (build_lexicographical_constraint): Adjust call to
2853         ppl_powerset_is_empty.
2854         (dependence_polyhedron): Same.
2855         (graphite_legal_transform_dr): Same.
2856         (graphite_carried_dependence_level_k): Same.
2857         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2858         parameter.
2859         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2861 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2863         * graphite-sese-to-poly.c
2864         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2865         (close_phi_written_to_memory): New.
2866         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2867         and unshare_expr.
2869 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2871         * doc/install.texi: Update the expected version number of PPL to 0.11.
2872         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2873         #if PPL_VERSION_MINOR < 11.
2875 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2877         * graphite-dependences.c: Include graphite-cloog-util.h.
2878         (new_poly_ddr): Inlined into dependence_polyhedron.
2879         (free_poly_ddr): Moved close by new_poly_ddr.
2880         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2881         Early return NULL when ppl_powerset_is_empty returns true.
2882         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2883         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2884         (graphite_legal_transform_dr): Call new_poly_ddr.
2885         (graphite_carried_dependence_level_k): Same.
2886         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2887         (dot_transformed_deps_stmt_1): Removed.
2888         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2889         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2890         (dot_deps_1): Call dot_deps_2.
2891         * Makefile.in (graphite-dependences.o): Add missing dependence on
2892         graphite-cloog-util.h.
2894 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2896         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2897         (build_lexicographical_constraint): Same.
2898         (dependence_polyhedron_1): Same.
2899         (graphite_legal_transform_dr): Same.
2900         (graphite_carried_dependence_level_k): Same.
2901         * graphite-ppl.c (ppl_powerset_is_empty): New.
2902         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2903         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2905 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2907         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2908         the "a followed by b" relation and document it.
2910 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2912         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2913         iteration when the bag of constraints is empty.
2915 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2917         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2919 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2921         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2922         nest and two loop depths as parameters.
2923         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2924         lst_perfect_nestify.
2926 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2928         * graphite-dependences.c (print_pddr): Call
2929         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2931 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2933         * graphite-ppl.c (debug_gmp_value): New.
2934         * graphite-ppl.h (debug_gmp_value): Declared.
2936 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2938         * doc/install.texi: Document availability of cloog-0.16.
2940 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2942         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2943         invalid postdominance info.
2945 2011-01-24  Jan Hubicka  <jh@suse.cz>
2947         PR c/21659
2948         * doc/extend.texi (weak pragma): Drop claim that it must
2949         appear before definition.
2950         * varasm.c (merge_weak, declare_weak): Only sanity check
2951         that DECL is not output at a time it is declared weak.
2953 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2955         * machmode.def: Fixed comments.
2957 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2959         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2961 2011-01-24  Paul Koning  <ni1d@arrl.net>
2963         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2964         WORDS_BIG_ENDIAN.
2966 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2968         PR target/46519
2969         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2970         (block_info): Add scanned and prev.
2971         (move_or_delete_vzeroupper_2): Return if the basic block
2972         has been scanned and the upper 128bit state is unchanged
2973         from the last scan.
2974         (move_or_delete_vzeroupper_1): Return true if the exit
2975         state is changed.
2976         (move_or_delete_vzeroupper): Visit basic blocks using the
2977         work-list based algorithm based on vt_find_locations in
2978         var-tracking.c.
2980         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2982 2011-01-24  Nick Clifton  <nickc@redhat.com>
2984         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2985         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2986         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2987         then define __v850e1__.
2988         * doc/invoke.texi: Document -mv850es.
2990 2011-01-24  Richard Henderson  <rth@redhat.com>
2992         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2993         compound unordered comparisons.
2994         * config/rx/rx.c (rx_split_fp_compare): Remove.
2995         * config/rx/rx-protos.h: Update.
2996         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2997         (cbranchsf4): Don't call rx_split_fp_compare.
2998         (*cbranchsf4): Use rx_split_cbranch.
2999         (*cmpsf): Don't accept "i" constraint.
3000         (*conditional_branch): Only valid after reload.
3001         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
3003 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3005         PR target/47385
3006         * config/rs6000/altivec.md (vector constant splitters): Add
3007         support for creating vector single precision constants if -mvsx is
3008         used and we would create the constant using Altivec primitives.
3010 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
3011             Richard Sandiford  <rdsandiford@googlemail.com>
3013         PR rtl-optimization/47166
3014         * reload1.c (emit_reload_insns): Disable the spill_reg_store
3015         mechanism for PRE_MODIFY and POST_MODIFY.
3016         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
3017         reloadreg.
3019 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
3021         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
3023 2011-01-22  Jan Hubicka  <jh@suse.cz>
3025         PR lto/47333
3026         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
3028 2011-01-22  Jan Hubicka  <jh@suse.cz>
3030         PR tree-optimization/43884
3031         PR lto/44334
3032         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
3033         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
3035 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
3037         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
3038         * config/s390/s390.c (s390_register_move_cost,
3039         s390_memory_move_cost): New.
3040         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
3042 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3044         PR middle-end/47401
3045         * except.c (sjlj_assign_call_site_values): Move setting the
3046         crtl->uses_eh_lsda flag to ...
3047         (sjlj_mark_call_sites): ... here.
3048         (sjlj_emit_function_enter): Support NULL dispatch label.
3049         (sjlj_build_landing_pads): In a function with no landing pads
3050         that still has must-not-throw regions, generate code to register
3051         a personality function with empty LSDA.
3053 2011-01-21  Richard Henderson  <rth@redhat.com>
3055         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
3057         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
3059         * compare-elim.c: New file.
3060         * Makefile.in (OBJS-common): Add it.
3061         (compare-elim.o): New.
3062         * common.opt (fcompare-elim): New.
3063         * opts.c (default_options_table): Add OPT_fcompare_elim.
3064         * tree-pass.h (pass_compare_elim_after_reload): New.
3065         * passes.c (init_optimization_passes): Add it.
3066         * recog.h: Protect against re-inclusion.
3067         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
3068         * doc/invoke.texi (-fcompare-elim): Document it.
3069         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
3070         * doc/tm.texi: Rebuild.
3072 2011-01-22  Nick Clifton  <nickc@redhat.com>
3074         * config/rx/rx.md (cstoresf4): Pass comparison operator to
3075         rx_split_fp_compare.
3077 2011-01-22  Nick Clifton  <nickc@redhat.com>
3079         * config/rx/rx.md (UNSPEC_CONST): New.
3080         (deallocate_and_return): Wrap the amount popped off the stack in
3081         an UNSPEC_CONST in order to stop it being rejected by
3082         -mmax-constant-size.
3083         (pop_and_return): Add a "(return)" rtx.
3084         (call): Drop the immediate operand.
3085         (call_internal): Likewise.
3086         (call_value): Likewise.
3087         (call_value_internal): Likewise.
3088         (sibcall_internal): Likewise.
3089         (sibcall_value_internal): Likewise.
3090         (sibcall): Likewise.  Generate an explicit call using
3091         sibcall_internal.
3092         (sibcall_value): Likewise.
3093         (mov<>): FAIL if a constant operand is not legitimate.
3094         (addsi3_unpsec): New pattern.
3096         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3097         (ok_for_max_constant): New function.
3098         (gen_safe_add): New function.
3099         (rx_expand_prologue): Use gen_safe_add.
3100         (rx_expand_epilogue): Likewise.
3101         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3102         UNSPEC CONSTs.
3104 2011-01-21  Jeff Law  <law@redhat.com>
3106         PR tree-optimization/47053
3107         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3108         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3109         statements are deleted.
3110         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3111         is nonempty, then purge dead edges and cleanup the CFG.
3113 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3115         PR debug/47402
3116         Temporarily revert:
3117         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3118         PR debug/47106
3119         * tree-dfa.c (create_var_ann): Mark variable as used.
3121 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3123         PR middle-end/45566
3124         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3125         notes from other section in hot/cold partitioning even if
3126         last_action is -3.  Increment call_site_base.
3128         PR rtl-optimization/47366
3129         * fwprop.c (forward_propagate_into): Return bool.  If
3130         any changes are made, -fnon-call-exceptions is used and
3131         REG_EH_REGION note is present, call purge_dead_edges
3132         and return true if it purged anything.
3133         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3134         any EH edges were purged.
3136 2011-01-21  Jeff Law  <law@redhat.com>
3138         PR rtl-optimization/41619
3139         * caller-save.c (setup_save_areas): Break out code to determine
3140         which hard regs are live across calls by examining the reload chains
3141         so that it is always used.
3142         Eliminate code which checked REG_N_CALLS_CROSSED.
3144 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3146         PR tree-optimization/47355
3147         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3148         NOP has non-debug uses beyond PHIs in new_bb.
3150 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3152         PR debug/47106
3153         * cfgexpand.c (account_used_vars_for_block): Only account vars
3154         that are annotated as used.
3155         (estimated_stack_frame_size): Don't set TREE_USED.
3156         * tree-dfa.c (create_var_ann): Mark variable as used.
3158 2011-01-21  Richard Guenther  <rguenther@suse.de>
3160         PR middle-end/47395
3161         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3163 2011-01-21  Richard Guenther  <rguenther@suse.de>
3165         PR tree-optimization/47365
3166         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3167         (vn_reference_lookup_pieces): Adjust.
3168         (vn_reference_lookup): Likewise.
3169         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3170         (vn_reference_lookup_3): Only look through kills if in
3171         VN_WALKREWRITE mode.
3172         (vn_reference_lookup_pieces): Adjust.
3173         (vn_reference_lookup): Likewise.
3174         (visit_reference_op_load): Likewise.
3175         (visit_reference_op_store): Likewise.
3176         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3177         (compute_avail): Likewise.
3178         (eliminate): Likewise.
3180 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3182         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3183         DECL_IGNORED_P non-reg vars if they are used.
3185         PR tree-optimization/47391
3186         * varpool.c (const_value_known_p): Return false if
3187         decl is volatile.
3189 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3191         PR bootstrap/47215
3192         * config/i386/i386.c (ix86_local_alignment): Handle
3193         case for va_list_type_node is nil.
3194         (ix86_canonical_va_list_type): Likewise.
3196 2011-01-21  Alan Modra  <amodra@gmail.com>
3198         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3199         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3201 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3203         * config/arm/arm.md (define_attr type): Rename f_load
3204         and f_store to f_fpa_load and f_fpa_store. Update.
3205         (write_conflict): Deal with rename fallout.
3206         (*push_fp_multi): Likewise.
3207         * config/arm/fpa.md (f_load): Use f_fpa_load.
3208         (f_store): Use f_fpa_store.
3209         (*movsf_fpa): Likewise.
3210         (*movdf_fpa): Likewise.
3211         (*movxf_fpa): Likewise.
3212         (*thumb2_movsf_fpa): Likewise.
3213         (*thumb2_movdf_fpa): Likewise.
3214         (*thumb2_movxf_fpa): Likewise.
3215         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3216         f_loadd and f_stored.
3217         (*thumb2_movdi_vfp): Likewise.
3218         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3219         (*thumb2_movsi_vfp): Likewise.
3220         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3221         Use f_loads instead of f_load.
3222         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3224 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3226         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3227         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3228         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3229         (xtensa_mode_dependent_address_p): New function.
3230         (constantpool_address_p): Make static. Change return type to bool.
3231         Change argument type to const_rtx. Use CONST_INT_P predicate.
3233 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3235         PR debug/46583
3236         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3238 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3240         PR debug/47283
3241         * cfgexpand.c (expand_debug_expr): Instead of generating
3242         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3243         etc. handling.
3245 2011-01-20  Richard Guenther  <rguenther@suse.de>
3247         PR middle-end/47370
3248         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3249         the pointer operand of MEM_REFs.
3251 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3253         PR tree-optimization/46130
3254         * ipa-split.c (consider_split): If return_bb contains non-virtual
3255         PHIs other than for retval or if split_function would not adjust it,
3256         refuse to split.
3258 2011-01-20  Richard Guenther  <rguenther@suse.de>
3260         PR tree-optimization/47167
3261         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3262         Revert previous change, only avoid enumeral type changes.
3264 2011-01-19  Mike Stump  <mikestump@comcast.net>
3266         * doc/tm.texi.in (BRANCH_COST): Englishify.
3267         * doc/tm.texi (BRANCH_COST): Likewise.
3269 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3271         PR c++/47291
3272         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3273         (gen_scheduled_generic_parms_dies): New functions.
3274         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3275         generation for the end of CU compilation.
3276         (dwarf2out_finish): Generate template parameters DIEs here.
3278 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3280         PR debug/46240
3281         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3282         debug bind stmt on merge edges.
3284 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3286         PR debug/47079
3287         PR debug/46724
3288         * function.c (instantiate_expr): Instantiate incoming rtl of
3289         implicit arguments, and recurse on VALUE_EXPRs.
3290         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3291         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3293 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3295         * c-parser.c (c_parser_for_statement): Initialize
3296         collection_expression.
3298 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3300         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3302 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3304         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3305         (LINK_SHLIB_SPEC): Don't use %(link_path).
3306         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3308 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3310         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3311         (NO_SHARED_LIB_SUPPORT): Remove.
3312         (LINK_SHLIB_SPEC): Remove one conditional definition.
3314 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3316         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3317         %{call_shared}.
3318         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3319         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3320         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3321         %{call_shared} and conditionals on these options not being passed.
3322         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3323         %{call_shared}.
3325 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3327         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3328         simplify.
3330         * ipa-split.c: Spelling fixes.
3332 2011-01-19  Richard Henderson  <rth@redhat.com>
3334         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3335         (*mulsi3): Likewise.
3337         * longlong.h [__mn10300__] (count_leading_zeros): New.
3338         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3339         [__mn10300__] (add_ssaaaa, subddmmss): New.
3340         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3341         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3343 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3345         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3347 2011-01-19  Richard Henderson  <rth@redhat.com>
3349         * config/mn10300/mn10300.md (addsi3_flags): New.
3350         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3351         (subsi3_flags, subc_internal, subdi3): New.
3352         (subdi3_internal, *subdi3_degenerate): New.
3353         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3355         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3356         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3357         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3358         * config/mn10300/mn10300-protos.h: Update.
3359         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3360         (return_ret): Likewise.  Rename from return_internal_regs.
3361         (return_internal): Remove.
3363         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3364         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
3365         (mn10300_legitimate_constant_p): Likewise.
3366         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
3367         (mn10300_frame_size): New.
3368         (mn10300_expand_prologue): Use it.
3369         (mn10300_expand_epilogue): Likewise.
3370         (mn10300_initial_offset): Likewise.
3371         * config/mn10300/mn10300-protos.h: Update.
3372         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
3373         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
3374         (prologue, epilogue, return_internal): Tidy output code.
3375         (mn10300_store_multiple_operation, return): Likewise.
3376         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
3377         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
3378         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
3379         (load_pic, am33_load_pic): New.
3380         (mn10300_load_pic0, mn10300_load_pic1): New.
3382         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
3383         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
3384         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
3385         (cc_flags_for_mode, cc_flags_for_code): New.
3386         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
3387         overflow flag is not valid.  Validate that the flags we need
3388         for the comparison are valid.
3389         (mn10300_output_cmp): Remove.
3390         (mn10300_output_add): New.
3391         (mn10300_select_cc_mode): Use cc_flags_for_code.
3392         (mn10300_split_cbranch): New.
3393         (mn10300_match_ccmode): New.
3394         (mn10300_split_and_operand_count): New.
3395         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
3396         to the function.
3397         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
3398         (addsi3): ... here.  Use mn10300_output_add.
3399         (*addsi3_flags): New.
3400         (*am33_subsi3, *mn10300_subsi3): Merge...
3401         (subsi3): ... here.  Use attribute isa.
3402         (*subsi3_flags): New.
3403         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
3404         when possible.
3405         (*am33_andsi3, *mn10300_andsi3): Merge...
3406         (andsi3): ... here.
3407         (*andsi3_flags): New.
3408         (andsi3 splitters): New.
3409         (*am33_iorsi3, *mn10300_iorsi3): Merge...
3410         (iorsi3): ... here.
3411         (*iorsi3_flags): New.
3412         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3413         (xorsi3): ... here.
3414         (*xorsi3_flags): New.
3415         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3416         (one_cmplsi2): ... here.
3417         (*one_cmplsi2_flags): New.
3418         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3419         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3420         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3421         use matching constraints to eliminate a self-comparison.
3422         (*integer_conditional_branch): Rename from integer_conditional_branch.
3423         Use int_mode_flags to match CC_REG.
3424         (*cbranchsi4_btst, *btstsi): New.
3425         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3426         mn10300_split_cbranch.
3427         (*am33_cmpsf): Rename from am33_cmpsf.
3428         (*float_conditional_branch): Rename from float_conditional_branch.
3429         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3430         (zero_extendqisi2): ... here.
3431         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3432         (zero_extendhisi2): ... here.
3433         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3434         (extendqisi2): ... here.
3435         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3436         (extendhisi2): ... here.
3437         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3438         (ashlsi3): ... here.
3439         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3440         (lshrsi3): ... here.
3441         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3442         (ashrsi3): ... here.
3443         (consecutive add peephole): Remove.
3444         * config/mn10300/predicates.md (label_ref_operand): New.
3445         (int_mode_flags): New.
3446         (CCZN_comparison_operator): New.
3448         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3449         (throughput_42_latency_43): New reservation.
3450         (mulsidi3, umulsidi3): New expanders.
3451         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3452         the MDR register to allocation; separately allocate the low and
3453         high parts of the DImode result.
3454         (umulsidi3_internal): Similarly.
3455         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3456         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3457         (udivsi3, umodsi3): Remove.
3458         (udivmodsi4, divmodsi4): New expanders.
3459         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3460         (*divmodsi4): Simiarly.
3461         (ext_internal): New.
3463         * config/mn10300/constraints.md ("z"): New constraint.
3464         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3465         (FIXED_REGISTERS): Don't fix MDR.
3466         (CALL_USED_REGSITERS): Reformat nicely.
3467         (REG_ALLOC_ORDER): Add MDR.
3468         (enum regclass): Add MDR_REGS.
3469         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3470         (IRA_COVER_CLASSES): Add MDR_REGS.
3471         (REGNO_REG_CLASS): Handle MDR_REG.
3472         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3473         (mn10300_register_move_cost): Likewise.
3474         * config/mn10300/mn10300.md (MDR_REG): New.
3475         (*movsi_internal): Handle moves to/from MDR_REGS.
3477         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3478         POST_MODIFY.
3479         (mn10300_secondary_reload): Tidy combination reload classes.
3480         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3481         addresses for AM33.  Allow symbolic offsets for reg+imm.
3482         (mn10300_regno_in_class_p): New.
3483         (mn10300_legitimize_reload_address): New.
3484         * config/mn10300/mn10300.h (enum reg_class): Remove
3485         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3486         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3487         SP_OR_GENERAL_REGS.
3488         (REG_CLASS_NAMES): Update to match.
3489         (REG_CLASS_CONTENTS): Likewise.
3490         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3491         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3492         (REGNO_IN_RANGE_P): Remove.
3493         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3494         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3495         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3496         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3497         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3498         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3499         (REGNO_GENERAL_P): New.
3500         (HAVE_POST_MODIFY_DISP): New.
3501         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3502         (LEGITIMIZE_RELOAD_ADDRESS): New.
3503         * config/mn10300/mn10300-protos.h: Update.
3505         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3506         DATA_REGS for AM33 stack-pointer destination.
3507         (mn10300_preferred_output_reload_class): Likewise.
3508         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3509         into a form appropriate for ...
3510         (TARGET_SECONDARY_RELOAD): New.
3511         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3512         * config/mn10300/mn10300-protos.h: Update.
3513         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3514         reload_insi; use the "A" constraint for the scratch; handle AM33
3515         moves of sp to non-address registers.
3517         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3518         (*movqi_internal): ... here.
3519         (*am33_movhi, *mn10300_movhi): Merge into...
3520         (*movhi_internal): ... here.
3521         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3522         as the source/destination of moves from/to SP.
3523         (movsf): Only allow for AM33-2.
3524         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3525         any integer constant constraint.  Only allow for AM33-2.  Tidy
3526         all of the alternative outputs.
3527         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3528         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3529         for MN103.
3530         (udivsi3, umodsi3): New patterns for MN103 only.
3532 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3534         * doc/tm.texi.in: Spell out that a lack of register class unions
3535         can lead to ICEs.
3536         * doc/tm.texi: Regenerate.
3538 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3540         PR rtl-optimization/47337
3541         * dce.c (check_argument_store): New function.
3542         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3544         PR tree-optimization/47290
3545         * tree-eh.c (infinite_empty_loop_p): New function.
3546         (cleanup_empty_eh): Use it.
3548 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3550         PR target/46997
3551         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3552         (a64_expand_widen_sum): Ditto.
3553         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3554         (vec_extract_evenodd_help): Ditto.
3555         (vec_extract_evenv4hi): Ditto.
3556         (vec_extract_oddv4hi): Ditto.
3557         (vec_extract_evenv2si): Ditto.
3558         (vec_extract_oddv2si): Ditto.
3559         (vec_extract_evenv2sf): Ditto.
3560         (vec_extract_oddv2sf): Ditto.
3561         (vec_pack_trunc_v4hi: Ditto.
3562         (vec_pack_trunc_v2si): Ditto.
3563         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3564         (vec_interleave_highv8qi): Ditto.
3565         (mix1_r): Ditto.
3566         (vec_extract_oddv8qi): Ditto.
3567         (vec_interleave_lowv4hi): Ditto.
3568         (vec_interleave_highv4hi): Ditto.
3569         (vec_interleave_lowv2si): Ditto.
3570         (vec_interleave_highv2si): Ditto.
3572 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3574         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3575         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3576         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3577         (pa_c_mode_for_suffix): New.
3578         (TARGET_EXPAND_BUILTIN): Define.
3579         (TARGET_C_MODE_FOR_SUFFIX): Define.
3580         (pa_builtins): Define.
3581         (pa_init_builtins): Register __float128 type and init new support
3582         builtins.
3583         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3584         * config/pa/quadlib.c (_U_Qfcopysign): New.
3586 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3588         PR middle-end/46894
3589         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3590         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3591         are defined.
3593 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3595         PR tree-optimization/47179
3596         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3597         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3599 2011-01-18  Richard Guenther  <rguenther@suse.de>
3601         PR rtl-optimization/47216
3602         * emit-rtl.c: Include tree-flow.h.
3603         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3604         of replicating it with different semantics.
3605         * Makefile.in (emit-rtl.o): Adjust.
3607 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3609         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3610         (cortex_a9_dp): Handle neon types correctly.
3612 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3614         PR rtl-optimization/47299
3615         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3616         subtarget.  Use normal multiplication if both operands are constants.
3617         * expmed.c (expand_widening_mult): Don't try to optimize constant
3618         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3619         before using it.
3621 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3623         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3624         spacing after 'e.g.', typos, comma, hyphenation.
3626 2011-01-17  Richard Henderson  <rth@redhat.com>
3628         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3629         (rx_restricted_mem_operand): New.
3630         (rx_shift_operand): Use register_operand.
3631         (rx_source_operand, rx_compare_operand): Likewise.
3632         * config/rx/rx.md (addsi3_flags): New expander.
3633         (adddi3): Rewrite as expander.
3634         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3635         (subsi3_flags): New expander.
3636         (subdi3): Rewrite as expander.
3637         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3639         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3640         (rx_init_builtins): Remove sat builtin.
3641         (rx_expand_builtin): Likewise.
3642         * config/rx/rx.md (ssaddsi3): New.
3643         (*sat): Rename from sat.  Represent the CC_REG input.
3645         * config/rx/predicates.md (rshift_operator): New.
3646         * config/rx/rx.c (rx_expand_insv): Remove.
3647         * config/rx/rx-protos.h: Update.
3648         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3649         operand to the canonical position.
3650         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3651         (*bitclr, *bitclr_in_memory): Similarly.
3652         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3653         (insv): Retain the zero_extract in the expansion.
3655         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3656         (bswaphi2, bitinvert, revw): Likewise.
3658         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3659         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3660         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3661         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3662         (bitset, bitset_in_memory): Likewise.
3663         (bitinvert, bitinvert_in_memory): Likewise.
3664         (bitclr, bitclr_in_memory): Likewise.
3665         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3666         (rx_strend, rx_cmpstrn): Likewise.
3667         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3668         (bitop peep2 patterns): Remove.
3670         * config/rx/rx.c (rx_match_ccmode): New.
3671         * config/rx/rx-protos.h: Update.
3672         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3673         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3674         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3675         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3676         (fix_truncsfsi2, floatsisf2): Likewise.
3677         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3678         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3679         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3680         (*subsi3_flags, *xorsi3_flags): New.
3682         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3684         * config/rx/rx.c (rx_print_operand): Remove workaround for
3685         unsplit comparison operations.
3687         * config/rx/rx.md (movsicc): Split after reload.
3688         (*movsicc): Merge *movsieq and *movsine via match_operator.
3689         (*stcc): New pattern.
3691         * config/rx/rx.c (rx_float_compare_mode): Remove.
3692         * config/rx/rx.h (rx_float_compare_mode): Remove.
3693         * config/rx/rx.md (cstoresi4): Split after reload.
3694         (*sccc): New pattern.
3696         * config/rx/predicates.md (label_ref_operand): New.
3697         (rx_z_comparison_operator): New.
3698         (rx_zs_comparison_operator): New.
3699         (rx_fp_comparison_operator): New.
3700         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3701         Validate that the flags are set properly for the comparison.
3702         (rx_gen_cond_branch_template): Remove.
3703         (rx_cc_modes_compatible): Remove.
3704         (mode_from_flags): New.
3705         (flags_from_code): Rename from flags_needed_for_conditional.
3706         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3707         (rx_select_cc_mode): Likewise.
3708         (rx_split_fp_compare): New.
3709         (rx_split_cbranch): New.
3710         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3711         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3712         (*cbranchsf4): Similarly.
3713         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3714         match_operator and rx_split_cbranch.
3715         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3716         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3717         (*cmpsi): Rename from cmpsi.
3718         (*tstsi): Rename from tstsi.
3719         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3720         (*conditional_branch): Rename from conditional_branch.
3721         (*reveresed_conditional_branch): Remove.
3722         (b<code>): Remove expander.
3723         * config/rx/rx-protos.h: Update.
3725         * config/rx/rx.c (rx_compare_redundant): Remove.
3726         * config/rx/rx.md (cmpsi): Don't use it.
3727         * config/rx/rx-protos.h: Update.
3729         * config/rx/rx-modes.def (CC_F): New mode.
3730         * config/rx/rx.c (rx_select_cc_mode): New.
3731         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3732         * config/rx/rx-protos.h: Update.
3734 2011-01-17  Richard Henderson  <rth@redhat.com>
3736         * except.c (dump_eh_tree): Fix stray ; after for statement.
3738 2011-01-17  Richard Guenther  <rguenther@suse.de>
3740         PR tree-optimization/47313
3741         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3742         handling before copying the body.  Properly deal with
3743         by-reference result in SSA form.
3745 2011-01-17  Ian Lance Taylor  <iant@google.com>
3747         PR target/47219
3748         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3749         (struct_value_alias_set): Don't define.
3750         (sparc_option_override): Don't set sparc_sr_alias_set and
3751         struct_value_alias_set.
3752         (save_or_restore_regs): Use gen_frame_mem rather than calling
3753         set_mem_alias_set.
3754         (sparc_struct_value_rtx): Likewise.
3756 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3758         PR target/47318
3759         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3760         __m128i.
3761         (_mm_maskstore_pd): Likewise.
3762         (_mm_maskload_ps): Likewise.
3763         (_mm_maskstore_ps): Likewise.
3764         (_mm256_maskload_pd): Change mask to __m256i.
3765         (_mm256_maskstore_pd): Likewise.
3766         (_mm256_maskload_ps): Likewise.
3767         (_mm256_maskstore_ps): Likewise.
3769         * config/i386/i386-builtin-types.def: Updated.
3770         (ix86_expand_special_args_builtin): Likewise.
3772         * config/i386/i386.c (bdesc_special_args): Update
3773         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3774         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3775         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3776         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3778         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3779         Use <avxpermvecmode> on mask register.
3780         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3782 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3783             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3784             Eric Botcazou  <ebotcazou@adacore.com>
3786         PR target/46655
3787         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3788         if <= USHRT_MAX in 32-bit mode.
3790 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3792         * doc/install.texi (Configuration, Specific): Wrap long
3793         lines in examples.  Allow line wrapping in long options
3794         and URLs where beneficial for PDF output.
3796 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3798         * config/mips/mips.c (mips_classify_symbol): Don't return
3799         SYMBOL_PC_RELATIVE for nonlocal labels.
3801 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3803         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3805 2011-01-15  Jan Hubicka  <jh@suse.cz>
3807         PR tree-optimization/47276
3808         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3809         declarations as needed.
3811 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3813         * common.opt (fdevirtualize): New flag.
3814         * doc/invoke.texi (Option Summary): Document it.
3815         * opts.c (default_options_table): Add devirtualize flag.
3816         * ipa-prop.c (detect_type_change): Return immediately if
3817         devirtualize flag is not set.
3818         (detect_type_change_ssa): Likewise.
3819         (compute_known_type_jump_func): Likewise.
3820         (ipa_analyze_virtual_call_uses): Likewise.
3822 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3824         PR tree-optimization/45934
3825         PR tree-optimization/46302
3826         * ipa-prop.c (type_change_info): New type.
3827         (stmt_may_be_vtbl_ptr_store): New function.
3828         (check_stmt_for_type_change): Likewise.
3829         (detect_type_change): Likewise.
3830         (detect_type_change_ssa): Likewise.
3831         (compute_complex_assign_jump_func): Check for dynamic type change.
3832         (compute_complex_ancestor_jump_func): Likewise.
3833         (compute_known_type_jump_func): Likewise.
3834         (compute_scalar_jump_functions): Likewise.
3835         (ipa_analyze_virtual_call_uses): Likewise.
3836         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3838 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3840         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3841         * config/i386/i386.opt (msse5): New Alias.
3843 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3845         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3846         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3847         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3848         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3850 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3852         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3853         -mcpu options.
3854         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3855         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3856         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3857         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3858         Likewise.
3859         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3861 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3863         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3865 2011-01-14  Mike Stump  <mikestump@comcast.net>
3867         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3868         * config/fr30/fr30.md: Likweise
3869         (movsi_push): Likewise.
3870         (movsi_pop): Likewise.
3871         (enter_func): Likewise.
3872         * config/moxie/moxie.md (movsi_push): Likewise.
3873         (movsi_pop): Likewise.
3875 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3877         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3878         %{no_archive} %{exact_version}.
3879         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3880         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3881         %{no_archive} %{exact_version}.
3882         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3883         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3884         * config/mips/vxworks.h: Likewise.
3886 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3888         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3890 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3892         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3893         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3895 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3897         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3898         -nodefaultlib.
3900 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3902         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3903         for mcpu not cpu.
3904         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3905         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3906         not cpu.
3907         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3908         Don't handle -shlib.
3910 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3912         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3913         (CC1_SPEC): Don't handle -profile.
3915 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3917         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3918         * config/mips/mips.h (CC1_SPEC): Likewise.
3920 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3922         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3923         * config/mips/mips.h (CC1_SPEC): Likewise.
3925 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3927         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3928         * config/m32r/linux.h (LINK_SPEC): Likewise.
3929         * config/mips/linux.h (LINK_SPEC): Likewise.
3930         * config/mips/linux64.h (LINK_SPEC): Likewise.
3931         * config/sparc/linux.h (LINK_SPEC): Likewise.
3932         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3933         LINK_SPEC): Likewise.
3934         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3936 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3938         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3939         %{version:-v}.
3940         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3942 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3944         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3945         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3947 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3949         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3951 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3953         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3954         supports -Bstatic/-Bdynamic.
3955         * configure: Regenerate.
3957 2011-01-14  Jan Hubicka  <jh@suse.cz>
3958             Jack Howarth  <howarth@bromo.med.uc.edu>
3960         PR target/46037
3961         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3962         when checking debug_info_level. Test write_symbols instead of
3963         debug_hooks->var_location when setting flag_var_tracking_uninit.
3965 2011-01-14  Richard Guenther  <rguenther@suse.de>
3967         PR tree-optimization/47179
3968         * target.def (ref_may_alias_errno): New target hook.
3969         * targhooks.h (default_ref_may_alias_errno): Declare.
3970         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3971         (default_ref_may_alias_errno): New function.
3972         * target.h (struct ao_ref_s): Declare.
3973         * tree-ssa-alias.c: Include target.h.
3974         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3975         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3976         (targhooks.o): Likewise.
3977         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3978         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3980 2011-01-14  Richard Guenther  <rguenther@suse.de>
3982         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3984 2011-01-14  Richard Guenther  <rguenther@suse.de>
3986         PR tree-optimization/47280
3987         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3988         return CFG changes.
3989         (tree_ssa_forward_propagate_single_use_vars): Deal with
3990         CFG changes from associate_plusminus.
3992 2011-01-14  Richard Guenther  <rguenther@suse.de>
3994         PR middle-end/47281
3995         Revert
3996         2011-01-11  Richard Guenther  <rguenther@suse.de>
3998         PR tree-optimization/46076
3999         * tree-ssa.c (useless_type_conversion_p): Conversions from
4000         unprototyped to empty argument list function types are useless.
4002 2011-01-14  Richard Guenther  <rguenther@suse.de>
4004         PR tree-optimization/47286
4005         * tree-ssa-structalias.c (new_var_info): Register variables are global.
4007 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4009         PR middle-end/46823
4010         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
4012 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
4014         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
4015         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
4016         * config/xtensa/xtensa.c (xtensa_libcall_value,
4017         xtensa_function_value_regno_p): New functions.
4018         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
4020 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
4022         PR c++/47213
4023         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
4024         PE specific hook.
4025         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
4026         New function prototype.
4027         * config/i386/winnt.c (i386_pe_assemble_visibility):
4028         Warn only if attribute was specified by user.
4030 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
4032         PR target/47251
4033         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
4034         floating point.
4035         (floatunsdidf2_fcfidu): Ditto.
4037 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4039         * config/s390/s390.c (print_operand_address): Replace 'error' with
4040         'output_operand_lossage'.
4041         (print_operand): Likewise.
4043 2011-01-13  Jeff Law  <law@redhat.com>
4045         PR rtl-optimization/39077
4046         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
4047         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
4048         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
4049         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
4050         * gcse.c (prune_insertions_deletions): New function.
4051         (compute_pre_data): Use it.
4053 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
4055         PR debug/PR46973
4056         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
4057         static function.
4058         (prune_unused_types_mark): Use it.
4060 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
4062         PR rtl-optimization/45352
4063         * sel-sched.c: Update copyright years.
4064         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
4065         in the advancing loop when we have issued issue_rate insns.
4067 2011-01-12  Richard Henderson  <rth@redhat.com>
4069         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
4070         (TARGET_MD_ASM_CLOBBERS): New.
4072         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
4073         (TARGET_DELEGITIMIZE_ADDRESS): New.
4075         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
4076         (clzsi2, *bsch): New patterns.
4078         * config/mn10300/mn10300.md (INT): New mode iterator.
4079         (*mov<INT>_clr): New pattern, and peep2 to generate it.
4081         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
4082         flag_split_wide_types.
4084         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
4085         (mn10300_trampoline_init): Rewrite without a template, an immediate
4086         load and a direct branch.
4087         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
4089 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
4091         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4092         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
4093         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
4094         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4096 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
4098         PR debug/47209
4099         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
4100         of type.
4102 2011-01-12  Jan Hubicka  <jh@suse.cz>
4104         PR driver/47244
4105         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
4106         (PLUGIN_COND_CLOSE): New macro.
4107         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
4109 2011-01-12  Richard Guenther  <rguenther@suse.de>
4111         PR lto/47259
4112         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
4113         register variables in a MEM_REF.
4115 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
4117         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
4118         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
4119         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
4120         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
4121         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
4122         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
4123         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
4124         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
4125         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
4126         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
4127         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
4128         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
4129         * config/gnu-user.h: New.  Copied from linux.h.
4130         (LINUX_TARGET_STARTFILE_SPEC): Rename to
4131         GNU_USER_TARGET_STARTFILE_SPEC.
4132         (LINUX_TARGET_ENDFILE_SPEC): Rename to
4133         GNU_USER_TARGET_ENDFILE_SPEC.
4134         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
4135         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
4136         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
4137         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
4138         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4139         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4140         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
4141         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
4142         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
4143         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
4144         * config/arm/linux-eabi.h (CC1_SPEC): Use
4145         GNU_USER_TARGET_CC1_SPEC.
4146         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
4147         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
4148         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
4149         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
4150         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
4151         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
4152         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
4153         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
4155 2011-01-12  Richard Guenther  <rguenther@suse.de>
4157         PR other/46946
4158         * doc/invoke.texi (ffast-math): Document it is turned on
4159         with -Ofast.
4161 2011-01-12  Jan Hubicka  <jh@suse.cz>
4163         PR tree-optimization/47233
4164         * opts.c (common_handle_option): Disable ipa-reference with profile
4165         feedback.
4167 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4169         * c-parser.c (c_parser_objc_at_property_declaration): Improved
4170         error message.
4172 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4174         * c-parser.c (c_lex_one_token): Updated and reindented some
4175         comments.  No changes in code.
4177 2011-01-11  Ian Lance Taylor  <iant@google.com>
4179         * godump.c (go_output_var): Don't output the variable if there is
4180         already a type with the same name.
4182 2011-01-11  Ian Lance Taylor  <iant@google.com>
4184         * godump.c (go_format_type): Don't generate float80.
4186 2011-01-11  Richard Henderson  <rth@redhat.com>
4188         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
4189         declaration.  Rewrite for both speed and size.
4190         (mn10300_address_cost_1): Remove.
4191         (mn10300_register_move_cost): New.
4192         (mn10300_memory_move_cost): New.
4193         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
4194         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
4195         extensions, shifts, BSWAP, CLZ.
4196         (mn10300_wide_const_load_uses_clr): Remove.
4197         (TARGET_REGISTER_MOVE_COST): New.
4198         (TARGET_MEMORY_MOVE_COST): New.
4199         * config/mn10300/mn10300-protos.h: Update.
4200         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
4202         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
4203         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
4204         * config/mn10300/mn10300-protos.h: Update.
4205         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
4206         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
4207         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
4208         (*test_int_bitfield, *test_byte_bitfield): Remove.
4209         (*bit_test, *subreg_bit_test): Remove.
4210         * config/mn10300/predicates.md (const_8bit_operand): Remove.
4212         * config/mn10300/constraints.md ("c"): Rename from "A".
4213         ("A", "D"): New constraint letters.
4214         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
4215         (fmssf4, fnmasf4, fnmssf4): Likewise.
4217         * config/mn10300/mn10300.md (isa): New attribute.
4218         (enabled): New attribute.
4220         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
4221         (abssf2, negsf2): Define only for hardware fp.
4222         (sqrtsf2): Reformat.
4223         (addsf3, subsf3, mulsf3): Merge expander and insn.
4225         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
4226         (DEBUGGER_AUTO_OFFSET): Remove.
4227         (DEBUGGER_ARG_OFFSET): Remove.
4229         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
4230         Emit register stores with the same offsets as the hardware.
4231         (mn10300_store_multiple_operation): Don't check that the register
4232         save offsets are monotonic.
4233         * config/mn10300/mn10300-protos.h: Update.
4235         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
4237         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
4238         in terms of the value on the stack, not the MDR register.
4240 2011-01-11  Jan Hubicka  <jh@suse.cz>
4242         PR lto/45721
4243         PR lto/45375
4244         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
4245         (symbol_alias_set_destroy, symbol_alias_set_contains,
4246         propagate_aliases_backward): Declare.
4247         * lto-streamer-out.c (struct sets): New sturcture.
4248         (trivally_defined_alias): New function.
4249         (output_alias_pair_p): Rewrite.
4250         (output_unreferenced_globals): Fix output of alias pairs.
4251         (produce_symtab): Likewise.
4252         * ipa.c (function_and_variable_visibility): Set weak alias destination
4253         as needed in lto.
4254         * varasm.c (symbol_alias_set_t): Remove.
4255         (symbol_alias_set_destroy): Export.
4256         (propagate_aliases_forward, propagate_aliases_backward): New functions
4257         based on ...
4258         (compute_visible_aliases): ... this one; remove.
4259         (trivially_visible_alias): New
4260         (trivially_defined_alias): New.
4261         (remove_unreachable_alias_pairs): Rewrite.
4262         (finish_aliases_1): Reorganize code checking if alias is defined.
4263         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
4264         in LTO mode.
4266 2011-01-11  Richard Guenther  <rguenther@suse.de>
4268         PR tree-optimization/46076
4269         * tree-ssa.c (useless_type_conversion_p): Conversions from
4270         unprototyped to empty argument list function types are useless.
4272 2011-01-11  Richard Guenther  <rguenther@suse.de>
4274         PR middle-end/45235
4275         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
4276         volatile MEMs as MEM_READONLY_P.
4278 2011-01-11  Richard Guenther  <rguenther@suse.de>
4280         PR tree-optimization/47239
4281         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
4283 2011-01-11  Jeff Law  <law@redhat.com>
4285         PR tree-optimization/47086
4286         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
4287         IVs from statements that might throw.
4289 2011-01-10  Jan Hubicka  <jh@suse.cz>
4291         PR lto/45375
4292         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
4294 2011-01-10  Jan Hubicka  <jh@suse.cz>
4296         PR lto/45375
4297         * profile.c (read_profile_edge_counts): Ignore profile inconistency
4298         when correcting profile.
4300 2011-01-10  Jan Hubicka  <jh@suse.cz>
4302         PR lto/46083
4303         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
4304         DECL_FINI_PRIORITY.
4305         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
4306         Restore DECL_FINI_PRIORITY.
4308 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4310         * doc/gimple.texi: Fix quoting of multi-word return values in
4311         @deftypefn statements.  Ensure presence of return value.  Wrap
4312         overlong @deftypefn lines.
4313         (is_gimple_operand, is_gimple_min_invariant_address): Remove
4314         descriptions of removed functions.
4315         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
4316         of multi-word return value in @deftypefn statement.
4318 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4320         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
4321         (Conditional Expressions, Logical Operators)
4322         (Statement and operand traversals): Do not indent smallexample
4323         code.  Fix duplicate function argument in example.
4325 2011-01-10  Jeff Law  <law@redhat.com>
4327         PR tree-optimization/47141
4328         * ipa-split.c (split_function): Handle case where we are
4329         returning a value and the return block has a virtual operand phi.
4331 2011-01-10  Jan Hubicka  <jh@suse.cz>
4333         PR tree-optimization/47234
4334         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
4335         (pass_feedback_split_functions): Declare.
4336         * passes.c (init_optimization_passes): Add ipa-split as subpass of
4337         tree-profile.
4338         * ipa-split.c (gate_split_functions): Update comments; disable
4339         split-functions for profile_arc_flag and branch_probabilities.
4340         (gate_feedback_split_functions): New function.
4341         (execute_feedback_split_functions): New function.
4342         (pass_feedback_split_functions): New global var.
4344 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
4346         PR lto/46760
4347         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
4348         calling gimple_call_set_cannot_inline.
4350 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
4352         * config/darwin-sections.def: Remove unused section.
4354 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
4356         PR c++/47218
4357         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
4359 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
4361         PR objc/47232
4362         * c-parser.c (c_parser_declaration_or_fndef): Improved
4363         error message.
4365 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
4367         * config/i386/winnt.c (i386_pe_start_function): Make sure
4368         to switch back to function's section.
4370 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
4372         PR gcc/46902
4373         PR testsuite/46912
4374         * plugin.c: Move include of dlfcn.h from here...
4375         * system.h: ... to here.
4377 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4379         * doc/cpp.texi (C++ Named Operators): Fix markup for header
4380         file name.
4381         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
4382         two extra empty pages in PDF output.
4384 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
4386         PR objc/47078
4387         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
4388         for error recovery purposes behave as if it was not specified so
4389         that the default type is usd.
4391 2011-01-07  Jan Hubicka  <jh@suse.cz>
4393         PR tree-optmization/46469
4394         * ipa.c (function_and_variable_visibility): Clear needed flags on
4395         nodes with external decls; handle weakrefs merging correctly.
4397 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
4399         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
4400         not false.
4402 2011-01-07  Jan Hubicka  <jh@suse.cz>
4404         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
4405         and no longer claim that gold is required for linker plugin.
4406         * configure: Regenerate.
4407         * gcc.c (PLUGIN_COND): New macro.
4408         (LINK_COMMAND_SPEC): Use it.
4409         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
4410         * config.in (HAVE_LTO_PLUGIN): New.
4411         * configure.ac (--with-lto-plugin): New parameter; autodetect
4412         HAVE_LTO_PLUGIN.
4414 2011-01-07  Jan Hubicka  <jh@suse.cz>
4416         PR tree-optimization/46367
4417         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
4418         when we can update original.
4419         (cgraph_mark_inline_edge): Sanity check.
4420         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
4422 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4424         * config/spu/spu.h (ASM_COMMENT_START): Define.
4426 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4428         PR driver/42445
4429         * gcc.c (%>S): New.
4430         (SWITCH_KEEP_FOR_GCC): Likewise.
4431         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
4432         (do_spec_1): Handle "%>".
4434         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
4436 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
4438         PR target/47201
4439         * config/i386/i386.c (ix86_delegitimize_address): If
4440         simplify_gen_subreg fails, return orig_x.
4442         PR bootstrap/47187
4443         * value-prof.c (gimple_stringop_fixed_value): Handle
4444         lhs of the call properly.
4446 2011-01-07  Jan Hubicka  <jh@suse.cz>
4448         PR lto/45375
4449         * lto-opt.c (lto_reissue_options): Set flag_shlib.
4451 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4453         * target.def (function_switched_text_sections): New hook.
4454         * doc/tm.texi: Regenerated.
4455         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4456         * final.c (default_function_switched_text_sections): New.
4457         (final_scan_insn): Call function_switched_text_sections when a
4458         mid-function section change occurs.
4459         * output.h (default_function_switched_text_sections): Declare.
4460         * config/darwin-protos.h (darwin_function_switched_text_sections):
4461         Likewise.
4462         * config/darwin.c (darwin_function_switched_text_sections): New.
4463         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4465 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4467         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
4468         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
4469         the secondary code fragment when outputting for DWARF == 2.
4471 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
4473         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4474         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
4475         Remove.
4476         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
4477         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4479 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
4481         PR debug/46704
4482         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
4483         when it is not empty.
4485 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
4487         Bobcat Enablement
4488         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
4489         (case ${target}): Add btver1.
4490         * config/i386/driver-i386.c (host_detect_local_cpu): Let
4491         -march=native recognize btver1 processors.
4492         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4493         btver1 def_and_undef
4494         * config/i386/i386.c (struct processor_costs btver1_cost): New
4495         btver1 cost table.
4496         (m_BTVER1): New definition.
4497         (m_AMD_MULTIPLE): Includes m_BTVER1.
4498         (initial_ix86_tune_features): Add btver1 tune.
4499         (processor_target_table): Add btver1 entry.
4500         (static const char *const cpu_names): Add btver1 entry.
4501         (software_prefetching_beneficial_p): Add btver1.
4502         (ix86_option_override_internal): Add btver1 instruction sets.
4503         (ix86_issue_rate): Add btver1.
4504         (ix86_adjust_cost): Add btver1.
4505         * config/i386/i386.h (TARGET_BTVER1): New definition.
4506         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
4507         (enum processor_type): Add PROCESSOR_BTVER1.
4508         * config/i386/i386.md (define_attr "cpu"): Add btver1.
4510 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4512         PR target/43309
4513         * config/i386/i386.c (legitimize_tls_address)
4514         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
4515         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
4516         (tls_initial_exec_64_sun): New pattern.
4518 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4520         * doc/invoke.texi (Overall Options): Improve wording and markup
4521         of the description of -wrapper.
4523 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4525         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
4526         rdynamic, threads): New Driver options.
4528 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4530         PR target/38118
4531         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
4532         if coming from .tdata.
4533         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4535 2011-01-06  Jan Hubicka  <jh@suse.cz>
4537         PR lto/47188
4538         * collect2.c (main): Do not enable LTOmode when plugin is active.
4540 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4542         PR other/45915
4543         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
4544         --version output if supported.
4545         * configure: Regenerate.
4547 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4549         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
4550         Driver options.
4552 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
4554         PR c/47150
4555         * c-convert.c (convert): When converting a complex expression
4556         other than COMPLEX_EXPR to a different complex type, ensure
4557         c_save_expr is called instead of save_expr, unless in_late_binary_op.
4558         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
4559         when converting COMPLEX_TYPE.
4561 2011-01-06  Ira Rosen  <irar@il.ibm.com>
4563         PR tree-optimization/47139
4564         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
4565         only the last reduction value is used outside the loop.  Update
4566         documentation.
4568 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
4570         * config/rtems.opt: New.
4571         * config.gcc (*-*-rtems*): Use rtems.opt.
4573 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
4575         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
4576         processors do not support 3DNow instructions.
4578 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4580         * config/spu/spu.c (spu_option_override): Set parameter
4581         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
4583 2011-01-05  Jan Hubicka  <jh@suse.cz>
4585         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
4586         at the command line.
4588 2011-01-05  Martin Jambor  <mjambor@suse.cz>
4590         PR lto/47162
4591         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
4592         deltas on streamed outgoing edges.
4593         (output_node_opt_summary): Output info for outgoing edges only when
4594         the node is in new parameter set.
4595         (output_cgraph_opt_summary): New parameter set, passed to the two
4596         aforementioned functions.  Update its forward declaration and its
4597         callee too.
4599 2011-01-05  Tom Tromey  <tromey@redhat.com>
4601         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
4602         operator to c_finish_omp_atomic.
4603         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
4604         (build_unary_op): Update.
4605         (build_modify_expr): Update.
4606         (build_asm_expr): Update.
4608 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4610         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
4611         newly inserted insns.
4612         (pad_bb): Likewise.
4613         (spu_emit_branch_hint): Likewise.
4614         (insert_hbrp_for_ilb_runout): Likewise.
4615         (spu_machine_dependent_reorg): Call df_finish_pass after
4616         schedule_insns returns.
4618 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4620         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
4622 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4624         PR tree-optimization/47005
4625         * tree-sra.c (struct access): Add 'non_addressable' bit.
4626         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
4627         (decide_one_param_reduction): Return 0 if the parameter is passed by
4628         reference and one of the accesses in the group is non_addressable.
4630 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4632         PR tree-optimization/47056
4633         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
4634         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
4635         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
4637 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4639         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
4640         initializer.  Skip view conversions from aggregate types.
4642 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
4644         PR bootstrap/47055
4645         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
4647 2011-01-04  Philipp Thomas  <pth@suse.de>
4649         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
4650         obvious typo.
4652 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4654         * function.c (thread_prologue_and_epilogue_insns): Do not crash
4655         on empty epilogue sequences.
4657 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
4659         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
4660         non-static): New Driver options.
4662 2011-01-04  Jie Zhang  <jie@codesourcery.com>
4664         PR driver/47137
4665         * gcc.c (default_compilers[]): Set combinable field to 0
4666         for all assembly languages.
4668 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
4670         * config/mips/loongson3a.md: New file.
4671         * config/mips/mips.md: Include loongson3a.md.
4672         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
4673         TUNE_LOONGSON_3A.
4675 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4677         PR middle-end/47017
4678         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
4679         instead of convert_memory_address_addr_space on the base expression.
4681 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4683         * config/spu/spu.c (spu_option_override): Update error text
4684         for bad -march= / -mtune= values.
4686 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4688         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
4689         if branch-hint optimization will be performed.
4691 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4693         PR tree-optimization/47148
4694         * ipa-split.c (split_function): Convert arguments to
4695         DECL_ARG_TYPE if possible.
4697         PR tree-optimization/47155
4698         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
4699         when computing uns.
4701         PR rtl-optimization/47157
4702         * combine.c (try_combine): If undobuf.other_insn becomes
4703         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
4704         and set *new_direct_jump_p too.
4706 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4708         PR tree-optimization/47021
4709         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
4711 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4713         * gcc.c (process_command): Update copyright notice dates.
4714         * gcov.c (print_version): Likewise.
4715         * gcov-dump.c (print_version): Likewise.
4716         * mips-tfile.c (main): Likewise.
4717         * mips-tdump.c (main): Likewise.
4719 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4721         PR tree-optimization/46801
4722         * tree-sra.c (type_internals_preclude_sra_p): Check whether
4723         aggregate fields start at byte boundary instead of the bit-field flag.
4725 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
4727         PR driver/47137
4728         * gcc.c (main): Revert revision 168407.
4730 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4732         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
4734 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4736         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
4737         vector optab to expand vector/scalar shift, update gimple to vector.
4739 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4741         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
4742         a thunk.
4744 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4746         PR tree-optimization/46984
4747         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
4748         HOST_WIDE_INT.
4749         (cgraph_create_indirect_edge): Fixed line length.
4750         (cgraph_indirect_call_info): Declare.
4751         (cgraph_make_edge_direct) Update declaration.
4752         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
4753         (cgraph_create_indirect_edge): Use it.
4754         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
4755         callees.
4756         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
4757         the new thunk_delta representation.
4758         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
4759         HOST_WIDE_INT.
4760         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
4761         (ipa_read_indirect_edge_info): Likewise.
4762         * lto-cgraph.c (output_edge_opt_summary): New function.
4763         (output_node_opt_summary): Call it on all outgoing edges.
4764         (input_edge_opt_summary): New function.
4765         (input_node_opt_summary): Call it on all outgoing edges.
4767 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
4769         PR driver/47137
4770         * gcc.c (main): Don't check have_o when settting combine_inputs.
4772 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4774         * regrename.c: Add general comment describing the pass.
4775         (struct du_head): Remove 'length' field.
4776         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
4777         (regrename_optimize): Do not sort chains.  Rework comments, add others.
4778         Force renaming to the preferred class (if any) in the first pass and do
4779         not consider registers that belong to it in the second pass.
4780         (create_new_chain): Do not set 'length' field.
4781         (scan_rtx_reg): Likewise.
4783 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
4785         PR tree-optimization/47140
4786         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
4787         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
4788         to bit_value_binop.
4790         PR rtl-optimization/47028
4791         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
4792         parm_birth_insn instead of at the beginning of first bb.
4794 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
4796         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
4797         Remove the word "see" before "@pxref".
4798         * doc/rtl.texi: Remove the word "see" before "@pxref".
4800 2011-01-01  Jan Hubicka  <jh@suse.cz>
4802         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
4803         memory.
4805 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
4807         PR target/38662
4808         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
4811 Copyright (C) 2011 Free Software Foundation, Inc.
4813 Copying and distribution of this file, with or without modification,
4814 are permitted in any medium without royalty provided the copyright
4815 notice and this notice are preserved.