* config/mips/mips-dsp.md (add<DSPV:mode>3,
[official-gcc.git] / gcc / ChangeLog
blob4dce40331e419183af9d2b798bb9a5b4536e2a9c
1 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
3         PR target/44202
4         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
5         settings for 16-bit-constant "addo" alternative.
7 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
9         * config/mips/mips-dsp.md (add<DSPV:mode>3,
10         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
12         PR target/43764
13         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
14         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
15         Use it.
17 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
19         * diagnostic.c (FLOAT, FFS): Don't undefine.
20         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
21         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
22         include ordering.
24 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
26         * combine.c (propagate_for_debug): Call make_compound_operation
27         on the source value.
28         (try_combine): When implementing a split chosen by find_split_point,
29         either copy i2src or set it to null.  Assert that i2src is not null
30         before substituting into CALL_INSN_FUNCTION_USAGE.
32 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
34         * double-int.h (double_int_ior): New function.
35         * tree.h (build_int_cst_wide_type): Remove.
36         * tree.c (build_int_cst_wide_type): Remove.
37         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
38         of build_int_cst_wide_type.
39         * stor-layout.c (set_sizetype): (Ditto.).
40         * dojump.c (do_jump): Use build_int_cstu instead of
41         build_int_cst_wide_type.
43 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
45         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
46         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
47         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
48         * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
49         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
50         propagate the 'data' argument to copy_tree_r.
51         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
52         Propagate 'data' argument to walk_tree.
53         (copy_if_shared): New function.
54         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
55         (unmark_visited): New function.
56         (unshare_body): Call copy_if_shared instead of doing it manually.
57         (unvisit_body): Call unmark_visited instead of doing it manually.
59 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
61         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
62         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
63         * hooks.c: Likewise.
64         * target-def.h (TARGET_FOLD_BUILTIN): Define to
65         hook_tree_tree_int_treep_bool_null.
66         * target.h: (struct gcc_target): Update signature of fold_builtin
67         field.
68         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
69         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
70         instead of the call expression.
71         (fold_builtin_call_array): Pass n and argarray directly.
72         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
73         consing a list.
74         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
75         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
76         `i' and use it in place of `arity'.
77         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
78         Dereference `args' directly.
79         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
81 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
83         * doc/sourcebuild.texi (Effective-Target Keywords): Document
84         3dnow, sse3, sse2.
85         (Directives): Document optional dg-require-effective-target
86         selector.
88 2010-05-19  Richard Guenther  <rguenther@suse.de>
90         PR lto/44196
91         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
93 2010-05-19  Richard Guenther  <rguenther@suse.de>
95         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
96         * common.opt (fwhopr=): New.
97         * opts.c (common_handle_option): Handle OPT_fwhopr.
98         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
99         * collect2.c (main): Match -fwhopr*.
100         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
101         Execute ltrans stage in parallel when jobs is bigger than 1.
103 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
105         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
106         pentiumpro on Solaris 8/x86 with Sun as.
107         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
108         hidden alias bug.
109         (gcc_cv_as_ix86_quad): Check for .quad directive.
110         * configure: Regenerate.
111         * config.in: Regenerate.
112         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
114 2010-05-19  Martin Jambor  <mjambor@suse.cz>
116         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
117         also for indirect edges.  Actual printing moved...
118         (ipa_print_node_jump_functions_for_edge): ...here.
119         (ipa_compute_jump_functions): Renamed to
120         ipa_compute_jump_functions_for_edge and made static.
121         (ipa_compute_jump_functions): New function.
122         (make_edge_direct_to_target): Check if the number of arguments on
123         the newly direct edge is the same as the number of parametrs of
124         the callee.
125         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
126         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
127         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
128         analysis functions unconditionally, call the new
129         ipa_analyze_params_uses on the node instead of every edge.
131 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
133         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
134         to tree.
135         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
136         also checks for a constant int vs.  non-constant but
137         loop-invariant steps.
138         (find_or_create_group): Change the sort algorithm to only consider
139         steps that are constant ints.
140         (idx_analyze_ref): Adopt code to handle a tree instead of a
141         HOST_WIDE_INT for step.
142         (gather_memory_references_ref): Handle tree instead of int and be
143         prepared to see a NULL_TREE.
144         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
145         prefetches if the step cannot be calculated at compile time.
146         (issue_prefetch_ref): Issue prefetches for non-constant but
147         loop-invariant steps.
149 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
151         Revert:
152         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
154         * tree.h (build_call_list): Remove.
155         * tree.c (build_call_list): Remove.
157 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
159         * tree.h (build_call_list): Remove.
160         * tree.c (build_call_list): Remove.
162 2010-05-18  Jan Hubicka  <jh@suse.cz>
164         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
166 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
168         PR rtl-optimization/43332
169         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
171 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
173         * tree.h (build_int_cstu): Implement as static inline.
174         * tree.c (build_int_cstu): Remove function.
175         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
176         sign extended.
178 2010-05-18  Richard Guenther  <rguenther@suse.de>
180         PR lto/44143
181         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
182         (debug): Initialize from -save-temps.
183         (collect_execute): Print command-line when verbose.
184         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
185         for ltrans invocation.  Produce -dumpbase flag again.
186         (process_args): Remove.
187         (main): Simplify.
188         * collect2.c (maybe_run_lto_and_relink): Only pass object
189         files to lto-wrapper.
190         * gcc.c (LINK_COMMAND_SPEC): Likewise.
192 2010-05-18  Jan Hubicka  <jh@suse.cz>
194         * opts.c (decode_options): Do not disable whopr at ipa_cp.
195         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
197 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
199         PR lto/44184
200         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
201         in a GIMPLE_ASM.
202         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
203         in a GIMPLE_ASM.
205 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
207         PR debug/41371
208         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
209         rtx_equal_p inline.
211 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
213         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
214         lto-macho as lto_binary_reader.
216         * darwin.c (darwin_asm_named_section): Do not add assembler comment
217         after .section directive; just print it before the directive instead.
219 2010-05-17  Jan Hubicka  <jh@suse.cz>
221         * cgraph.c (cgraph_create_virtual_clone): Only check
222         versionable_function_p when not in wpa and checking is enabled.
223         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
224         there are no more functions to materialize.
226 2010-05-17  Jan Hubicka  <jh@suse.cz>
228         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
229         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
230         New functions.
231         (output_cgraph): Call output_cgraph_opt_summary.
232         (input_cgrpah): Call input_cgraph_opt_summary.
233         (output_cgraph_opt_summary_p, output_node_opt_summary,
234         input_node_opt_summary, input_cgraph_opt_section): New functions.
235         * lto-section-in.c (lto_section_name): Add cgraphopt.
236         * tree-inline.c (tree_function_versioning): Handle parm_num.
237         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
238         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
240 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
242         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
243         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
244         the insn to prefetch ratio heuristic to loops with known trip count.
246 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
248         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
249         (schedule_prefetches): Do not generate a prefetch if the unroll factor
250         is far from what is required by the prefetch.
252 2010-05-17  Jan Hubicka  <jh@suse.cz>
254         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
255         (ipcp_estimate_growth): Likewise.
256         (ipcp_const_param_count): Likewise.
257         (ipcp_insert_stage): Likewise.
258         * ipa-prop.c (visit_load_for_mod_analysis): New function.
259         (visit_store_addr_for_mod_analysis): Set used flag.
260         (ipa_detect_param_modifications): Set used flag for SSE params;
261         update use of walk_stmt_load_store_addr_ops.
262         (ipa_print_node_params): Print used flag.
263         (ipa_write_node_info): Stream used flag.
264         (ipa_read_node_info): Likewise.
265         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
266         (ipa_is_param_used): New function.
267         (lto_ipa_fixup_call_notes): Remove unused declaration.
269 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
271         PR target/44074
272         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
273         * configure: Regenerate.
274         * config.in: Regenerate.
275         * config/i386/i386.c (print_operand) <case ;>: Also print ; if
276         !HAVE_AS_IX86_REP_LOCK_PREFIX.
277         Don't emit whitespace.
278         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
279         (*rep_movsi): Likewise.
280         (*rep_movsi_rex64): Likewise.
281         (*rep_movqi): Likewise.
282         (*rep_movqi_rex64): Likewise.
283         (*rep_stosdi_rex64): Likewise.
284         (*rep_stossi): Likewise.
285         (*rep_stossi_rex64): Likewise.
286         (*rep_stosqi): Likewise.
287         (*rep_stosqi_rex64): Likewise.
288         (*cmpstrnqi_nz_1): Use {%;} after repz.
289         (*cmpstrnqi_nz_rex_1): Likewise.
290         (*cmpstrnqi_1): Likewise.
291         (*cmpstrnqi_rex_1): Likewise.
292         (*strlenqi_1): Use {%;} after repnz.
293         (*strlenqi_rex_1): Likewise.
294         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
295         (*sync_compare_and_swap<mode>): Likewise.
296         (sync_double_compare_and_swap<mode>): Likewise.
297         (*sync_double_compare_and_swapdi_pic): Likewise.
298         (sync_old_add<mode>): Likewise.
299         (sync_add<mode>): Likewise.
300         (sync_sub<mode>): Likewise.
301         (sync_<code><mode>): Likewise.
303 2010-05-17  Martin Jambor  <mjambor@suse.cz>
305         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
306         otr_token and polymorphic.
307         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
308         (cgraph_clone_edge): Copy the above fields.
309         * tree.c (get_binfo_at_offset): New function.
310         * tree.h (get_binfo_at_offset): Declare.
311         * ipa-prop.h (enum jump_func_type): Added known_type jump function
312         type, reordered items, updated comments.
313         (union jump_func_value): Added base_type field, reordered fields.
314         (enum ipa_lattice_type): Moved down in the file.
315         (struct ipa_param_descriptor): New field polymorphic.
316         (ipa_is_param_polymorphic): New function.
317         * ipa-prop.c: Include gimple.h and gimple-fold.h.
318         (ipa_print_node_jump_functions): Print known type jump functions.
319         (compute_complex_pass_through): Renamed to...
320         (compute_complex_assign_jump_func): this.
321         (compute_complex_ancestor_jump_func): New function.
322         (compute_known_type_jump_func): Likewise.
323         (compute_scalar_jump_functions): Create known type and complex ancestor
324         jump functions.
325         (ipa_note_param_call): New parameter polymorphic, set the corresponding
326         flag in the call note accordingly.
327         (ipa_analyze_call_uses): Renamed to...
328         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
329         variable var only in the block where it is used.
330         (ipa_analyze_virtual_call_uses): New function.
331         (ipa_analyze_call_uses): Likewise.
332         (combine_known_type_and_ancestor_jfs): Likewise.
333         (update_jump_functions_after_inlining): Implemented handling of a
334         number of new jump function types combination.
335         (print_edge_addition_message): Removed.
336         (make_edge_direct_to_target): New function.
337         (try_make_edge_direct_simple_call): Likewise.
338         (try_make_edge_direct_virtual_call): Likewise.
339         (update_call_notes_after_inlining): Renamed to...
340         (update_indirect_edges_after_inlining): this.  Moved edge creation for
341         indirect calls to try_make_edge_direct_simple_call, also calls
342         try_make_edge_direct_virtual_call for virtual calls.
343         (ipa_print_node_params): Changed the header message.
344         (ipa_write_jump_function): Stream also known type jump functions.
345         (ipa_read_jump_function): Likewise.
346         (ipa_write_indirect_edge_info): Stream new fields in
347         cgraph_indirect_call_info.
348         (ipa_read_indirect_edge_info): Likewise.
349         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
350         GIMPLE_FOLD_H.
352 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
354         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
356 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
358         * tree.h (CALL_EXPR_ARGS): Delete.
359         (call_expr_arglist): Delete.
360         * tree.c (call_expr_arglist): Delete.
361         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
362         targetm.fold_builtin.
363         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
364         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
365         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
366         arglist parameter.  Use CALL_EXPR_ARG.
367         (picochip_expand_builtin_3op): Likewise.
368         (picochip_expand_builtin_2opvoid): Likewise.
369         (picochip_expand_array_get): Likewise.
370         (picochip_expand_array_put): Likewise.
371         (picochip_expand_array_testport): Likewise.
372         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
373         rather than arglist.
374         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
375         CALL_EXPR_ARGS.
376         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
377         than TREE_VALUE and TREE_CHAIN.
378         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
379         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
380         the arglist.
382 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
384         PR bootstrap/42347
385         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
386         to have no fallthru edge.
388         PR middle-end/44102
389         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
390         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
391         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
392         add BARRIER after previous bb if needed.
394 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
396         * tree.c (build_function_type_list_1): Remove bogus assert condition.
398 2010-05-17  Alan Modra  <amodra@gmail.com>
400         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
401         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
402         with copy_reg rtx param.
403         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
404         Correct cases where code for ABI_V4 did not initialise the reg
405         used to access frame.  Also leave frame_reg_rtx as sp for large
406         frames that save no regs.
408 2010-05-17  Martin Jambor  <mjambor@suse.cz>
410         PR middle-end/44133
411         * tree-sra.c (create_access_replacement): New parameter rename, mark
412         the replaement for renaming only when it is true.
413         (get_access_replacement): Pass true in the rename parameter of
414         create_access_replacement.
415         (get_unrenamed_access_replacement): New function.
416         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
417         replacement declaration from it.
419 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
421         * function.c (try_fit_stack_local, add_frame_space): New static
422         functions.
423         (assign_stack_local_1): Use them.  Look for opportunities to use
424         space previously wasted on alignment.
425         * function.h (struct frame_space): New.
426         (struct rtl_data): Add FRAME_SPACE_LIST member.
427         * reload1.c (something_was_spilled): New static variable.
428         (alter_reg): Set it.
429         (reload): Test it in addition to testing if the frame size changed.
431 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
433         * config/s390/s390.c: Define sane prefetch settings and activate
434         flag_prefetch_loop_arrays on -O3.
435         * config/s390/s390.h: Declare that read can use write prefetch.
437 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
439         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
440         build.
442 2010-05-16  Jan Hubicka  <jh@suse.cz>
444         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
445         function body; do not check stdarg field of struct function.
447 2010-05-16  Jan Hubicka  <jh@suse.cz>
449         * cgraph.c (dump_cgraph_node): Dump versionable flag.
450         * cgraph.h (cgraph_local_info): Add versionable flag.
451         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
452         (ipcp_versionable_function_p): Use it.
453         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
454         versionable flag.
456 2010-05-16  Jan Hubicka  <jh@suse.cz>
458         * cgraph.c (cgraph_clone_node): Take decl argument and insert
459         clone into hash when it is different from orig.
460         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
461         * cgraph.h (cgraph_clone_node): Update prototype.
462         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
463         (lto_cgraph_encoder_delete): Delete body map.
464         (lto_cgraph_encoder_size): Move to header.
465         (lto_cgraph_encoder_encode_body_p,
466         lto_set_cgraph_encoder_encode_body): New.
467         (lto_output_node): Do not take written_decls argument; output clone_of
468         pointer.
469         (add_node_to): Add include_body_argument; call
470         lto_set_cgraph_encoder_encode_body on master of the clone.
471         (add_references): Update use of add_node_to.
472         (compute_ltrans_boundary): Likewise.
473         (output_cgraph): Do not create written_decls bitmap.
474         (input_node): Take nodes argument; stream in clone_of correctly.
475         (input_cgraph_1): Update use of input_node.
476         * lto-streamer-out.c (lto_output): Use encoder info to decide
477         what bodies to output.
478         * ipa-inline.c (cgraph_clone_inlined_nodes,
479         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
480         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
481         (lto_cgraph_encoder_size): Define here.
482         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
483         Declare.
485 2010-05-16  Richard Guenther  <rguenther@suse.de>
487         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
488         -fipa-type-escape.
489         * ipa-type-escape.c (gate_type_escape_vars): Run when
490         -fipa-struct-reorg runs.
491         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
492         * common.opt (fipa-type-escape): Remove.
494 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
496         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
497         (decode_options): Likewise.
498         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
500 2010-05-16  Jan Hubicka  <jh@suse.cz>
502         * ipa.c (function_and_variable_visibility): Also bring local all
503         aliases.
505 2010-05-16  Richard Guenther  <rguenther@suse.de>
507         * alias.c (nonoverlapping_memrefs_p): Remove use of
508         IPA type-escape information.
510 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
512         * c-common.c (c_common_reswords): Add _Static_assert for C.
513         * c-parser.c (c_token_starts_declaration,
514         c_parser_next_token_starts_declaration,
515         c_parser_static_assert_declaration_no_semi,
516         c_parser_static_assert_declaration): New.
517         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
518         Handle static assertions if static_assert_ok.
519         (c_parser_external_declaration, c_parser_declaration_or_fndef,
520         c_parser_compound_statement_nostart, c_parser_label,
521         c_parser_for_statement, c_parser_objc_methodprotolist,
522         c_parser_omp_for_loop): All callers of
523         c_parser_declaration_or_fndef changed.
524         (c_parser_struct_declaration): Handle static assertions.
525         (c_parser_compound_statement_nostart): Use
526         c_parser_next_token_starts_declaration and
527         c_token_starts_declaration to detect start of declarations.
528         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
529         Likewise.
531 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
533         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
534         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
535         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
536         TARGET_FUNCTION_VALUE_REGNO_P): Define.
537         (mmix_function_outgoing_value): Rename to...
538         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
539         (mmix_function_value_regno_p): Make static.
540         (mmix_libcall_value): New function.
541         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
542         mmix_function_value_regno_p): Remove declaration.
544 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
546         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
547         BUILT_IN_ALLOCA if stack checking is enabled.
549 2010-05-16  Richard Guenther  <rguenther@suse.de>
551         * var-tracking.c (vars_copy_1): Inline ...
552         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
553         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
554         (variable_merge_over_cur): Adjust.  Merge asserts.
555         (variable_merge_over_src): Likewise.
556         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
557         (variable_post_merge_new_vals): Merge asserts.
558         (variable_post_merge_perm_vals): Likewise.
559         (find_mem_expr_in_1pdv): Likewise.
560         (dataflow_set_different_value): Remove.
561         (onepart_variable_different_p): Merge asserts.
562         (variable_different_p): Likewise.
563         (dataflow_set_different_1): Inline ...
564         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
565         (emit_notes_for_differences_1): Merge asserts.
567 2010-05-16  Richard Guenther  <rguenther@suse.de>
569         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
570         * optabs.c (libfunc_decl_hash): Likewise.
571         * varasm.c (emutls_decl): Likewise.
573 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
575         * c-decl.c: Don't include gimple.h.
576         (merge_decls): Do not copy gimple_body.
578 2010-05-15  Jason Merrill  <jason@redhat.com>
580         * c.opt: Add -fnothrow-opt.
582 2010-05-15  Jan Hubicka  <jh@suse.cz>
584         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
585         analyzed.
586         * passes.c (ipa_write_summaries): Write all analyzed nodes.
588 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
590         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
591         * Makefile.in: Add it.
592         Fix all other Makefile dependencies for changes below.
593         * tree.h: Include it instead of defining VEC primitives here.
594         * gimple.h: Likewise.
595         * rtl.h: Likewise.
596         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
597         * except.h: Include vecir.h, break dependence on tree.h.
599         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
600         Move from here...
601         * tree-iterator.c: ...to here.
602         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
604         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
605         tm_p.h.
606         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
607         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
608         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
609         tree-mudflap.h, and target.h.
610         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
611         predict.h, tree-inline.h, gimple.h, and langhooks.h.
612         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
613         Add FIXME for why gimple.h is still included (should be unnecessary
614         since GCC 4.5 gimplification unit-at-a-time).
615         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
616         * c-pragma.c: Add FIXME for why function.h needs to be included just
617         for cfun, at front-end level.
618         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
619         Do not include ggc.h, but include vecprim.h for VEC(char).
620         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
621         Explain why target.h is included.
622         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
623         Explain why gimple.h is included.
624         * c-ppoutput.c: Do not include tm.h.
625         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
626         * c-parses.c: Explain why rtl.h is included, and that this (and only
627         this) is also why tm.h must be included.
628         Do not include except.h.
629         * c-lang.c: Do not include ggc.h.
631 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
633         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
635 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
637         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
638         unions by default if those structs and unions have no tags.  Do
639         not condition anonymous struct and unions handling on flag_iso.
640         Allow anonymous structs and unions for C1X.
641         (finish_struct): Do not diagnose lack of named fields when
642         anonymous structs and unions present for C1X.  Accept flexible
643         array members in structure with anonymous structs or unions but no
644         directly named fields.
645         * doc/extend.texi (Unnamed Fields): Update.
647 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
649         * gimple.h (compare_field_offset): Rename into...
650         (gimple_compare_field_offset): ...this.
651         * gimple.c (compare_field_offset): Rename into...
652         (gimple_compare_field_offset): ...this.  Compare the full access if
653         the offset is self-referential.
654         (gimple_types_compatible_p): Adjust for above renaming.
655         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
656         DECL_NONADDRESSABLE_P flag of fields before merging them.
658 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
660         * tree.h (ctor_to_list): Delete.
661         * tree.c (ctor_to_list): Delete.
663 2010-05-15  Jan Hubicka  <jh@suse.cz>
665         * ipa-reference.c: Include toplev.h
666         (is_proper_for_analysis): Only add to all_module_statics
667         if it is allocated.
668         (write_node_summary_p, stream_out_bitmap,
669         ipa_reference_write_optimization_summary,
670         ipa_reference_read_optimization_summary): New.
671         (struct ipa_opt_pass_d pass_ipa_reference): Add
672         optimization summary streaming.
673         * lto-cgraph.c (referenced_from_this_partition_p,
674         reachable_from_this_partition_p): New functions.
675         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
676         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
677         * opts.c (decode_options): Enable ipa_reference.
678         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
679         * lto-streamer.h (referenced_from_this_partition_p,
680         reachable_from_this_partition_p): Declare.
682 2010-05-15  Richard Guenther  <rguenther@suse.de>
684         PR tree-optimization/44038
685         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
686         taking the address of a V_C_E of a constant.
688 2010-05-14  Jan Hubicka  <jh@suse.cz>
690         * tree.h (memory_identifier_string): Remove.
691         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
692         (ipa_reference_global_vars_info_d): Remove statics_not_read and
693         statics_not_written.
694         (ipa_reference_optimization_summary_d): New structure.
695         (ipa_reference_optimization_summary_t): New type and vector.
696         (ipa_reference_vars_info_d): Embedd structures instead of using
697         pointers.
698         (reference_vars_to_consider): Remove out of GGC space.
699         (module_statics_escape): Remove.
700         (global_info_obstack): Rename to ...
701         (optimization_summary_obstack): ... this one.
702         (initialization_status_t): Remove.
703         (memory_identifier_string): Remove.
704         (get_reference_vars_info): Fix indenting.
705         (set_reference_vars_info): Likewise.
706         (get_reference_optimization_summary): New.
707         (set_reference_optimization_summary): New.
708         (get_global_reference_vars_info): Remove.
709         (ipa_reference_get_read_global): Remove.
710         (ipa_reference_get_written_global): Remove.
711         (ipa_reference_get_not_read_global): Update.
712         (ipa_reference_get_not_written_global): Update.
713         (is_proper_for_analysis): Outlaw addressable.
714         (propagate_bits): Update for new datastructures.
715         (analyze_variable): Remove.
716         (init_function_info): Update for new datastructures.
717         (clean_function_local_data): Remove.
718         (clean_function): Remove.
719         (copy_global_bitmap): Use optimizations_summary_obstack.
720         (duplicate_node_data): Duplicate optimization summary only.
721         (remove_node_data): Remove optimization summary only.
722         (generate_summary): Do not analyze variables; do not compute
723         module_statics_escape; do not prune solutions by it.
724         (read_write_all_from_decl): Fix typos in comments.
725         (propagate): Doscover readonly and nonaddressable first;
726         update for new datastructures; share global bitmaps.
727         * ipa-reference.h (ipa_reference_get_read_global,
728         ipa_reference_get_written_global): Remove.
729         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
730         * Makefile.in: Remove ipa-refereference from GT files.
732 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
734         PR debug/44112
735         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
736         for all SYMBOL_REF_DECLs.
738 2010-05-14  Jan Hubicka  <jh@suse.cz>
740         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
741         (varpool_all_refs_explicit_p): New inline function.
742         * ipa-reference.c: Update comment.
743         (module_statics_written): Remove.
744         (get_static_decl): Remove.
745         (ipa_init): Do not initialize module_statics_written.
746         (analyze_function): Likewise.
747         (generate_summary): Likewise; do not compute module_statics_readonly
748         and do not update variable flags.
749         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
750         * ipa.c: Inlucde flags.h
751         (cgraph_local_node_p): New.
752         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
753         promote functions to local.
754         (ipa_discover_readonly_nonaddressable_vars): New function.
755         (function_and_variable_visibility): Use cgraph_local_node_p.
756         * varpool.c (varpool_finalize_decl): Set force_output for
757         DECL_PRESERVE_P vars.
759 2010-05-14  Jan Hubicka  <jh@suse.cz>
761         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
763 2010-05-14  Richard Guenther  <rguenther@suse.de>
765         PR tree-optimization/44119
766         * tree-ssa-pre.c (eliminate): Properly mark replacement of
767         a PHI node necessary.
769 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
771         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
773 2010-05-14  Jason Merrill  <jason@redhat.com>
775         PR c++/44127
776         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
777         (gimple_call_set_nothrow): New.
778         * gimple.c (gimple_build_call_from_tree): Call it.
779         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
781         PR c++/44127
782         * gimplify.c (gimplify_seq_add_stmt): No longer static.
783         * gimple.h: Declare it.
784         * gimple.c (gimple_build_eh_filter): No ops.
786 2010-05-14  Jan Hubicka  <jh@suse.cz>
788         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
789         nodes already in queue.
790         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
791         re-enqueueing node.
793 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
795         PR debug/44136
796         * cfgexpand.c (expand_debug_expr): If non-memory op0
797         has BLKmode, return NULL.
799 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
801         * config.gcc: Add support for --with-cpu option for bdver1.
802         * config/i386/i386.h (TARGET_BDVER1): New macro.
803         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
804         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
805         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
806         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
807         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
808         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
809         (processor_type): Add PROCESSOR_BDVER1.
810         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
811         processor_type in config/i386/i386.h.
812         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
813         movaps <reg, reg> instead of movapd <reg, reg> when replacing
814         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
815         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
816         to emit packed xor instead of packed double/packed integer
817         xor for SSE and AVX when moving a zero value.
818         * config/i386/sse.md: Add check for
819         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
820         movapd/movdqa for SSE and AVX.
821         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
822         single logical operations i.e and, or and xor instead of packed double
823         logical operations for SSE and AVX.
824         * config/i386/i386-c.c (ix86_target_macros_internal):
825         Add PROCESSOR_BDVER1.
826         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
827         (has_fma4, has_xop): New.
828         * config/i386/i386.c (bdver1_cost): New variable.
829         (m_BDVER1): New macro.
830         (m_AMD_MULTIPLE): Add m_BDVER1.
831         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
832         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
833         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
834         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
835         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
836         x86_tune_sse_partial_reg_dependency,
837         x86_tune_sse_unaligned_load_optimal,
838         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
839         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
840         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
841         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
842         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
843         Enable/disable for bdver1.
844         (processor_target_table): Add bdver1_cost.
845         (cpu_names): Add bdver1.
846         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
847          processor_alias_table.
848         (ix86_expand_vector_move_misalign): Change.
849         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
850         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
851         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
852         of movupd/movdqu for SSE and AVX.
853         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
854         (ix86_tune_adjust_cost): Add code for bdver1.
855         (standard_sse_constant_opcode): Add check for
856         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
857         of packed double xor for SSE and AVX.
859 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
861         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
862         result to unsigned.
864 2010-05-14  Tristan Gingold  <gingold@adacore.com>
866         * toplev.c (default_debug_hooks): Remove this variable.
867         (process_options): Remove assignments to default_debug_hooks.
869 2010-05-14  Martin Jambor  <mjambor@suse.cz>
871         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
872         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
873         * langhooks.h (struct lang_hooks_for_decls): Removed field
874         fold_obj_type_ref.
875         * tree.c (free_lang_data): Remove assignment to
876         lang_hooks.fold_obj_type_ref.
877         * tree.def (OBJ_TYPE_REF): Update comment.
879 2010-05-14  Richard Guenther  <rguenther@suse.de>
881         PR tree-optimization/44124
882         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
884 2010-05-14  Alan Modra  <amodra@gmail.com>
886         PR target/44075
887         * config/rs6000/rs6000.c (struct machine_function): Reorder
888         fields for better packing.  Add lr_save_state.
889         (rs6000_ra_ever_killed): Return lr_save_state if set.
890         (rs6000_emit_eh_reg_restore): Set lr_save_state.
892 2010-05-13  Jan Hubicka  <jh@suse.cz>
894         * varpool.c (decide_is_variable_needed): Drop code checking
895         TREE_SYMBOL_REFERENCED.
897 2010-05-13  Jan Hubicka  <jh@suse.cz>
899         * final.c (output_addr_const): Do not call mark_decl_referenced.
900         * cgraphunit.c (process_function_and_variable_attributes): Use
901         mark_needed_node dirrectly.
902         (assemble_thunk): Do not call mark_decl_referenced.
904 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
906         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
908 2010-05-13  Jeff Law  <law@redhat.com>
910         * ira-conflicts.c (print_allocno_conflicts): New function broken out
911         from...
912         (print_conflicts): Call print_allocno_conflicts.
914 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
916         PR debug/44104
917         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
918         if it is NULL.
920 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
922         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
923         t-mingw-w64 or t-mingw-w32 for multilib configuration.
924         * config/i386/t-mingw-w32: New.
925         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
927 2010-05-13  Martin Jambor  <mjambor@suse.cz>
929         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
930         gimple-fold.c).
931         * gimple-fold.c (get_base_binfo_for_type): New function.
932         (gimple_get_relevant_ref_binfo): Likewise.
933         (gimple_fold_obj_type_ref_known_binfo): Likewise.
934         (gimple_fold_obj_type_ref): Likewise.
935         (fold_gimple_call): Simplify condition for folding virtual calls
936         and call gimple_fold_obj_type_ref.
937         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
938         (gimple_fold_obj_type_ref_known_binfo): Likewise.
940 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
942         * config/rs6000/rs6000-protos.h
943         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
944         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
945         (rs6000_debug_mode_dependent_address)
946         (rs6000_mode_dependent_address_ptr): Likewise.
948 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
950         PR debug/43983
951         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
952         by SRA.
953         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
954         * tree-sra.c (create_access_replacement): Call unshare_expr before
955         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
956         * dwarf2out.c: Include tree-flow.h.
957         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
958         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
959         Handle DW_OP_bit_piece.
960         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
961         construct_piece_list, adjust_piece_list): New functions.
962         (add_var_loc_to_decl): Handle SRA optimized variables.
963         Adjust for var_loc_note to loc field renaming.
964         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
965         in VAR_LOCATION note.
966         (new_loc_descr_op_bit_piece): New function.
967         (dw_sra_loc_expr): New function.
968         (dw_loc_list): Use it.  Don't handle the last range after the
969         loop, handle it inside of the loop.  Adjust for var_loc_note
970         to loc field renaming.
971         (add_location_or_const_value_attribute): Only special case
972         single entry loc lists if loc is NOTE_P.  Adjust for
973         var_loc_note to loc field renaming.
974         (dwarf2out_var_location): Don't set newloc->var_loc_note
975         and newloc->next here.
977 2010-05-12  Jan Hubicka  <jh@suse.cz>
979         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
980         flag.
981         * cgraph.h (cgraph_only_called_directly_p,
982         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
983         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
984         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
985         (assemble
986         * ipa.c (cgraph_remove_unreachable_nodes): Use
987         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
988         flags.
989         * tree-inline.c (copy_bb): Check address_taken flag.
990         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
991         externally_visible flag.
993 2010-05-12  Jason Merrill  <jason@redhat.com>
995         PR bootstrap/44048
996         PR target/44099
997         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
998         * sdbout.c (plain_type_1): Likewise.
999         * dwarf2out.c (is_base_type): Likewise.
1000         (gen_type_die_with_usage): Likewise.  Generate
1001         DW_TAG_unspecified_type for any LANG_TYPE.
1003 2010-05-12  Jan Hubicka  <jh@suse.cz>
1005         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1006         indrect edges too.
1007         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1008         (cgraph_clone_edge): Update.
1009         (cgraph_node_remove_callees): Remove indirect calls too.
1010         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1011         (cgraph_create_indirect_edge): Update prototype.
1012         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1013         is_proper_for_analysis.
1014         (add_new_function, visited_nodes, function_insertion_hook_holder,
1015         get_local_reference_vars_info, mark_address_taken, mark_address,
1016         mark_load, mark_store, check_asm_memory_clobber, check_call,
1017         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1018         (ipa_init): Do not initialize visited_nodes;
1019         function_insertion_hook_holder.
1020         (analyze_variable): Rewrite.
1021         (analyze_function): Rewrite.
1022         (copy_local_bitmap): Remove.
1023         (duplicate_node_dat): Do not duplicate local info.
1024         (generate_summary): Simplify to only walk cgraph.
1025         (write_node_summary_p, ipa_reference_write_summary,
1026         ipa_reference_read_summary): Remove.
1027         (propagate): Do not remove function insertion;
1028         generate summary.
1029         (pass_ipa_reference): NULLify summary handling fields.
1030         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1031         (input_edge): Input ecf_flags.
1032         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1033         (update_indirect_edges_after_inlining): Ignore edges with unknown
1034         param.
1036 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
1038         * implicit-zee.c: New file.
1039         * tree-pass.h (pass_implicit_zee): Declare.
1040         * passes.c (init_optimization_passes): Add zee pass.
1041         * common.opt (fzee): New flag.
1042         * timevar.def (TV_ZEE): Define.
1043         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1044         and beyond.
1045         * Makefile.in (implicit-zee.o): Add new build file.
1047 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1048             Nathan Froyd  <froydnj@codesourcery.com>
1050         * c-common.c (sync_resolve_params): Remove write-only variable.
1052 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
1054         * target.h (struct gcc_target): Add mode_dependent_address_p field.
1055         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1056         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1057         * targhooks.c (default_mode_dependent_address_p): New function.
1058         * targhooks.h (default_mode_dependent_address_p): Declare function.
1059         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1060         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
1061         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
1062         target hook. Change return type to bool.
1063         * recog.h: (mode_dependent_address_p): Change return type to bool.
1065 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1066             Nathan Froyd  <froydnj@codesourcery.com>
1068         * tree-mudflap.c (build_function_type_0, build_function_type_1,
1069         build_function_type_2, build_function_type_3): Remove.
1070         (mudflap_init): Use build_function_type_list.
1072 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1073             Nathan Froyd  <froydnj@codesourcery.com>
1075         * coverage.c (build_fn_info_value): Call build_constructor instead of
1076         build_constructor_from_list.
1077         (build_ctr_info_value): Likewise.
1078         (build_gcov_info): Likewise.
1080 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
1082         * tree.c (build_constructor): Compute TREE_CONSTANT for the
1083         resultant constructor.
1084         (build_constructor_single): Don't set TREE_CONSTANT.
1085         (build_constructor_from_list): Don't compute TREE_CONSTANT.
1087 2010-05-12  Jan Hubicka  <jh@suse.cz>
1089         * cgraph.h (struct varpool_node): Add aux.
1090         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
1091         * varpool.c (varpool_remove_node): Do not remove initializer.
1092         (varpool_reset_queue): Export.
1093         (varpool_finalize_decl): Volatile vars are forced to be output.
1094         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
1095         replaced decl.
1096         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
1097         process_references, varpool_can_remove_if_no_refs): New functions.
1098         (cgraph_remove_unreachable_nodes): Handle variables too.
1100 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1102         PR target/44088
1103         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
1105 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
1107         PR middle-end/44085
1108         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
1109         change value of ORT_TASK.
1110         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
1111         (omp_notice_threadprivate_variable): New function.
1112         (omp_notice_variable): Call it for threadprivate variables.
1113         If enclosing ctx is a task, print enclosing task rather than
1114         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
1115         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
1116         if task has untied clause.
1118         PR debug/42278
1119         * dwarf2out.c (base_type_die): Don't add name attribute here.
1120         (modified_type_die): Instead of sizetype use
1121         its underlying original type.  If a DW_TAG_base_type doesn't
1122         have name added, add __unknown__.
1123         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
1124         always call force_type_die instead.
1126 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
1128         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
1129         for __stack_chk_guard.
1131 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1133         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
1134         don't call start_source_file debug hook here...
1135         (finish_options): ... but here, after outputting predefined and
1136         command line defines and undefs.
1138         PR middle-end/44071
1139         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
1140         no fallthru edge.
1141         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
1142         optimizing away empty bb with no successors, move over its
1143         footer chain to fallthru predecessor.
1144         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
1145         (rtl_split_edge): For asm goto call patch_jump_insn even if
1146         splitting fallthru edge.
1148         PR c++/44059
1149         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1150         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1151         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1152         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1153         on DW.ref.* decls.
1155         PR c++/44062
1156         * c-parser.c (c_parser_expression): Mark LHS of a comma
1157         expression as read if it is a decl, handled component or
1158         COMPOUND_EXPR with that on the RHS.
1159         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1160         if it is a decl or handled component.
1162 2010-05-11  Jan Hubicka  <jh@suse.cz>
1164         * lto-symtab.c (lto_symtab_free): New function.
1165         * lto-streamer.h (lto_symtab_free): Declare.
1167 2010-05-11  Jan Hubicka  <jh@suse.cz>
1169         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1170         that if function is needed it is reachable.
1171         (lto_output_node): See if it the function is reachable or referenced.
1172         (output_cgraph): Update call of lto_output_node.
1173         * lto-streamer.h (reachable_from_other_partition_p): Declare.
1175 2010-05-11  Jan Hubicka  <jh@suse.cz>
1177         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1178         Mark as used.
1180 2010-05-11  Jan Hubicka  <jh@suse.cz>
1182         PR tree-optimize/44063
1183         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1184         queue.
1185         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1186         limits.
1187         (estimate_function_body_sizes): Compute sizes even when disregarding.
1189 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
1191         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1193 2010-05-11  Jan Hubicka  <jh@suse.cz>
1195         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1196         into every boundary.
1198 2010-05-11  Jan Hubicka  <jh@suse.cz>
1200         * matrix-reorg.c (matrix_reorg): Rebuild edges.
1202 2010-05-11  Jan Hubicka  <jh@suse.cz>
1204         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1205         lto_streamer_cache_delete): Put nodes into heap.
1206         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1207         heap.
1209 2010-05-11  Jan Hubicka  <jh@suse.cz>
1211         * cgraphbuild.c (cgraph_rebuild_references): New.
1212         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1213         out extern inlines.
1214         * cgraph.h (cgraph_rebuild_references): Declare.
1215         * tree-inline.c (tree_function_versioning): Use it.
1216         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1218 2010-05-11  Jan Hubicka  <jh@suse.cz>
1220         * cgraph.c: Include ipa-utils.h
1221         (cgraph_create_virtual_clone): Update references.
1222         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1224 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1226         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1227         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1228         cache size.
1230 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1232         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1234 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1236         * gcc.c (execute): For -### don't quote arguments that
1237         contain just alphanumerics and _/-. characters.
1238         * doc/invoke.texi: Document that change for -###.
1240         PR debug/44023
1241         * df-problems.c (struct dead_debug): Add to_rescan field.
1242         (dead_debug_init): Clear to_rescan field.
1243         (dead_debug_finish): Rescan all debug insns in to_rescan
1244         bitmap and free the bitmap.
1245         (dead_debug_insert_before): Instead of rescanning debug insns
1246         immediately queue their rescanning until dead_debug_finish.
1247         (df_note_bb_compute): After dead_debug_add do continue instead
1248         of break.
1250 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1252         PR debug/44028
1253         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1254         clear also INSN_REG_USE_LIST.
1256 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1258         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1260 2010-05-10  Jan Hubicka  <jh@suse.cz>
1262         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1263         commited change.
1265 2010-05-10  Jan Hubicka  <jh@suse.cz>
1267         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1268         Allocate encoders.
1269         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1270         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1271         (lto_streamer_cache_create): Init alloc pool.
1272         (lto_streamer_cache_delete): Free alloc pool.
1273         * lto-streamer.h: Include alloc pool.
1274         (lto_streamer_cache_d): Use alloc pool.
1275         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1277 2010-05-10  Jan Hubicka  <jh@suse.cz>
1279         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1280         * cgraphbuild.c: Include except.h
1281         (record_type_list, record_eh_tables): New function.
1282         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1284 2010-05-10  Jan Hubicka  <jh@suse.cz>
1286         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1287         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1288         rather than unused.
1290 2010-05-10  Michael Matz  <matz@suse.de>
1292         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1293         (can_reassociate_p): Use FLOAT_TYPE_P.
1294         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1295         (vect_force_simple_reduction): ... this.
1296         * tree-parloops.c (gather_scalar_reductions): Use
1297         vect_force_simple_reduction.
1298         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1299         vect_is_simple_reduction, add modify argument, if true rewrite
1300         "a-b" into "a+(-b)".
1301         (vect_is_simple_reduction, vect_force_simple_reduction): New
1302         functions.
1303         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1305 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1306             Vladimir Makarov  <vmakarov@redhat.com>
1308         PR rtl-optimization/44012
1309         * ira-build.c (remove_unnecessary_allocnos): Nullify
1310         regno_allocno_map of the removed allocno.
1312 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1314         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1315         to /dev/null.
1316         * configure: Regenerate.
1318 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1320         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1321         unused.
1322         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1323         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1324         support in Sun ld.
1325         * configure: Regenerate.
1327 2010-05-10  Richard Guenther  <rguenther@suse.de>
1329         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1330         marked if the entry identifier is marked.
1332 2010-05-10  Richard Guenther  <rguenther@suse.de>
1334         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1335         (handle_fnspec_attribute): New function.
1336         * gimple.h (gimple_call_return_flags): Declare.
1337         (gimple_call_arg_flags): Likewise.
1338         * gimple.c (gimple_call_arg_flags): New function.
1339         (gimple_call_return_flags): Likewise.
1340         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1341         New argument flags.
1342         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1343         return value flags.
1344         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1345         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1346         main work to ...
1347         (make_heapvar_for): ... this new function.
1348         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1349         (handle_lhs_call): Likewise.
1350         (find_func_aliases): Adjust.
1352 2010-05-10  Richard Guenther  <rguenther@suse.de>
1354         PR tree-optimization/44050
1355         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1357 2010-05-10  Wei Guozhi  <carrot@google.com>
1359         PR target/42879
1360         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1362 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1364         PR c/10676
1365         * c-typeck.c (lookup_field): Take a type directly.  Update
1366         recursive calls.
1367         (build_component_ref): Update call to lookup_field.
1368         (set_init_label): Use lookup_field to find initialized field.
1369         Handle returned list of fields like a sequence of designators.
1371 2010-05-09  Richard Guenther  <rguenther@suse.de>
1373         PR middle-end/44024
1374         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1375         handle &FUNCTION_DECL.
1377 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1379         PR c/4784
1380         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1381         structures and unions recursively.
1382         (detect_field_duplicates): Move duplicate detection with a hash to
1383         detect_field_duplicates_hash.  Always use a hash if anonymous
1384         structures or unions are present.
1385         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1386         give errors.
1388 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1390         PR target/44046
1391         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1392         detect Atom, Core 2 and Core i7.
1394 2010-05-09  Richard Guenther  <rguenther@suse.de>
1396         * gcc.c (store_arg): Handle temporary file deletion for
1397         joined arguments.
1399 2010-05-09  Richard Guenther  <rguenther@suse.de>
1401         PR middle-end/44043
1402         * ipa-inline.c (estimate_function_body_sizes): Return after
1403         disregarding inline limits.
1405 2010-05-09  Richard Guenther  <rguenther@suse.de>
1407         * gcc.c (store_arg): Revert last change.
1409 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1411         PR middle-end/28685
1412         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1413         (optimize_ops_list): Call it.
1415 2010-05-08  Richard Guenther  <rguenther@suse.de>
1417         PR tree-optimization/44030
1418         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1419         NECESSARY flag if we propagate from a inserted expression.
1421 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1423         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1424         domain types as equal if they are both PLACEHOLDER_EXPRs.
1426 2010-05-08  Richard Guenther  <rguenther@suse.de>
1428         * lto-wrapper.c (run_gcc): Remove linker output from
1429         command line for LTRANS invocation.
1431 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1433         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1434         lto-macho as lto_binary_reader.
1435         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1436         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1437         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1438         in lto_start and lto_end calls.
1439         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1440         magic numbers.
1441         (scan_prog_file): Update is_elf_or_coff call.
1442         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1444         * collect2.c (main): Fix enum comparison.
1446         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1447         Add prototypes.
1448         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1449         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1450         and TARGET_ASM_LTO_END.
1451         * darwin.c: Include obstack.h and lto-streamer.h.
1452         (lto_section_names_offset, lto_section_names_obstack,
1453         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1454         global variables.
1455         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1456         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1457         to a temporary file.
1458         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1459         (darwin_asm_named_section): For LTO sections, replace the name with
1460         the offset of the section name in a string table, and build this
1461         table.
1462         (darwin_file_start): Initialize global vars for LTO support.
1463         (darwin_file_end): If output to asm_out_file was redirected, append it
1464         to the proper asm_out_file here.  Add the section names section.
1466 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1468         * c-pragma.c (pending_weak_d, pending_weak): New.
1469         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1470         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1471         handle_pragma_weak): Update the uses of pending_weaks.
1473 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1475         PR documentation/44016
1476         * doc/standards.texi (Standards): Link to unversioned
1477         cxx0x_status.html page.
1479 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1481         PR target/43708
1482         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1483         in addition to TREE_USED, to avoid "set but unused" warnings.
1485 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1487         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1488         (is_loop_prefetching_profitable): Do not insert prefetches
1489         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1490         times the prefetch ahead distance.
1492 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1494         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1495         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1496         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1497         the unroll_factor.
1499 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1501         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1502         a diagnostic info when the insn-to-mem ratio is too small.
1504 2010-05-07  Richard Guenther <rguenther@suse.de>
1506         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1507         the linker plugin.
1508         (store_arg): Queue temp_filename for deletion instead of
1509         the whole argument.
1511 2010-05-07  Richard Guenther  <rguenther@suse.de>
1513         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1514         (run_gcc): Handle LTRANS phase invocation.
1515         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1517 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1519         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1520         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1522 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1524         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1526 2010-05-07  Richard Guenther  <rguenther@suse.de>
1528         PR tree-optimization/44020
1529         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1530         code when PRE is not yet initialized.
1532 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1534         * config/mips/dbxmdebug.h: Remove.
1535         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1537 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1539         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1540         with null pointer and also warn about ordered comparison of zero with
1541         pointer if -Wextra.
1543 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1545         * graphite-blocking.c
1546         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1547         * graphite-clast-to-gimple.c
1548         (clast_to_gcc_expression): Same.
1549         (precision_for_value): Same.
1550         (precision_for_interval): Same.
1551         (gcc_type_for_interval): Same.
1552         (graphite_create_new_guard): Same.
1553         (compute_bounds_for_level): Same.
1554         (graphite_create_new_loop_guard): Same.
1555         * graphite-interchange.c
1556         (build_linearized_memory_access): Same.
1557         (pdr_stride_in_loop): Same.
1558         (memory_strides_in_loop_1): Same.
1559         (memory_strides_in_loop): Same.
1560         (extend_scattering): Same.
1561         (psct_scattering_dim_for_loop_depth): Same.
1562         (pbb_number_of_iterations): Same.
1563         * graphite-poly.h
1564         (debug_iteration_domains): Same.
1565         * graphite-ppl.c
1566         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1567         (ppl_set_inhomogeneous_gmp): Same.
1568         (ppl_strip_loop): Same.
1569         (ppl_lexico_compare_linear_expressions): Same.
1570         (ppl_read_polyhedron_matrix): Same.
1571         (ppl_max_for_le_pointset): Same.
1572         * graphite-ppl.h
1573         (ppl_read_polyhedron_matrix): Same.
1574         (tree_int_to_gmp): Same.
1575         (gmp_cst_to_tree): Same.
1576         (ppl_set_inhomogeneous): Same.
1577         (ppl_set_inhomogeneous_tree): Same.
1578         (ppl_set_coef): Same.
1579         (ppl_set_coef_tree): Same.
1580         * graphite-sese-to-poly.c
1581         (build_pbb_scattering_polyhedrons): Same.
1582         (build_scop_scattering): Same.
1583         (scan_tree_for_params_right_scev): Same.
1584         (scan_tree_for_params): Same.
1585         (find_params_in_bb): Same.
1586         (find_scop_parameters): Same.
1587         (add_upper_bounds_from_estimated_nit): Same.
1588         (build_loop_iteration_domains): Same.
1589         (add_condition_to_domain): Same.
1590         (pdr_add_memory_accesses): Same.
1592 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1594         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1595         CLooG's value_* macros to their respective mpz_* counterparts.
1596         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1597         (graphite_create_new_loop_guard): Same.
1598         * graphite-interchange.c (build_linearized_memory_access): Same.
1599         (pdr_stride_in_loop): Same.
1600         (memory_strides_in_loop_1): Same.
1601         (1st_interchange_profitable_p): Same.
1602         * graphite-poly.c (extend_scattering): Same.
1603         (psct_scattering_dim_for_loop_depth): Same.
1604         (pbb_number_of_iterations): Same.
1605         (pbb_number_of_iterations_at_time): Same.
1606         * graphite-poly.h (new_1st_loop): Same.
1607         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1608         (oppose_constraint): Same.
1609         (insert_constraint_into_matrix): Same.
1610         (ppl_set_inhomogeneous_gmp): Same.
1611         (ppl_set_coef_gmp): Same.
1612         (ppl_strip_loop): Same.
1613         (ppl_lexico_compare_linear_expressions): Same.
1614         (ppl_max_for_le_pointset): Same.
1615         (ppl_min_for_le_pointset): Same.
1616         (ppl_build_realtion): Same.
1617         * graphite-ppl.h (gmp_cst_to_tree): Same.
1618         (ppl_set_inhomogeneous): Same.
1619         (ppl_set_inhomogeneous_tree): Same.
1620         (ppl_set_coef): Same.
1621         (ppl_set_coef_tree): Same.
1622         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1623         (build_scop_scattering): Same.
1624         (add_value_to_dim): Same.
1625         (scan_tree_for_params_right_scev): Same.
1626         (scan_tree_for_params_int): Same.
1627         (scan_tree_for_params): Same.
1628         (find_params_in_bb): Same.
1629         (find_scop_parameters): Same.
1630         (add_upper_bounds_from_estimated_nit): Same.
1631         (build_loop_iteration_domains): Same.
1632         (create_linear_expr_from_tree): Same.
1633         (add_condition_to_domain): Same.
1634         (pdr_add_memory_accesses): Same.
1636 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1637             Jason Merrill  <jason@redhat.com>
1639         * c-common.c (c_common_reswords): Add nullptr.
1640         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1641         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1642         (gen_type_die_with_usage): Likewise.
1643         * dbxout.c (dbxout_type): Likewise.
1644         * sdbout.c (plain_type_1): Likewise.
1646 2010-05-06  Jason Merrill  <jason@redhat.com>
1648         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1649         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1650         ret appropriately.
1651         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1653         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1654         stripping WITH_SIZE_EXPR.
1655         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1656         change.
1658 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1660         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1661         list of obsolete configurations.
1662         Disabled check for obsolete configurations.
1663         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1664         Removed support for previous versions.
1665         * config/mips/iris.h: Removed.
1666         * config/mips/iris5.h: Removed.
1667         * config/mips/iris6.h: Merged old iris.h contents.
1668         (TARGET_IRIX): Removed.
1669         (DRIVER_SELF_SPECS): Removed mabi=32.
1670         (IDENT_ASM_OP): Removed undef.
1671         (STARTFILE_SPEC): Removed mabi=32.
1672         (ENDFILE_SPEC): Likewise.
1673         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1674         (MACHINE_TYPE): Update for IRIX 6.5.
1675         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1676         TARGET_IRIX by TARGET_IRIX6.
1677         (mips_file_start): Likewise.
1678         (mips_output_external): Remove IRIX 5/6 O32 support.
1679         (mips_output_function_prologue): Likewise.
1680         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1681         TARGET_IRIX6.
1682         (TARGET_CPU_CPP_BUILTINS): Likewise.
1683         (TARGET_IRIX): Removed.
1684         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1685         (MULTILIB_DIRNAMES): Removed 32.
1686         (MULTILIB_OSDIRNAMES): Removed ../lib.
1687         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1688         (Specific, mips-sgi-irix5): Document removal.
1689         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1690         Remove references to older IRIX 6 releases and the O32 ABI.
1692 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1694         PR bootstrap/43994
1695         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1696         instead of DF_REF_REAL_REG.
1698 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1700         PR target/43888
1701         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1702         handling to still return true for x64 targets.
1704 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1706         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1708 2010-05-06  Jan Hubicka  <jh@suse.cz>
1710         PR tree-optimization/43791
1711         * ipa-inline.c (update_caller_keys): Remove bogus
1712         disregard_inline_limits check.
1714 2010-05-06  Michael Matz  <matz@suse.de>
1716         PR tree-optimization/43984
1717         * tree-ssa-pre.c (inserted_phi_names): Remove.
1718         (inserted_exprs): Change to bitmap.
1719         (create_expression_by_pieces): Set bits, don't append to vector.
1720         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1721         (eliminate): Don't look at inserted_phi_names, remove deleted
1722         insns from inserted_exprs.
1723         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1724         (init_pre, fini_pre): Allocate and free bitmaps.
1725         (execute_pre): Insert insns on edges before elimination.
1727 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1729         * tree.c (initializer_zerop): Handle STRING_CST.
1731 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1733         PR 40989
1734         * doc/invoke.texi (Wimplicit): Document as C only.
1735         * opts.c (common_handle_option): Add argument kind.
1736         (handle_option): Rename as read_cmdline_option. Factor out code to...
1737         (handle_option): ... here. New.
1738         (handle_options): Rename as read_cmdline_options.
1739         (decode_options): Update call.
1740         (set_option): Use option index instead of option pointer. Classify
1741         diagnostics correctly.
1742         (enable_warning_as_error): Call handle_option.
1743         * opts.h (set_option): Update declaration.
1744         (handle_option): Declare.
1745         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1746         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1747         * c-opts.c (set_Wimplicit): Delete.
1748         (c_family_lang_mask): New static constant.
1749         (c_common_handle_option): Add argument kind. Use handle_option
1750         instead of set_Wimplicit.
1751         (c_common_post_options): warn_implicit and warn_implicit_int
1752         are disabled by default.
1753         * c-common.c (warn_implicit): Do not define here.
1754         * c-common.h (warn_implicit): Do not declare here.
1755         (c_common_handle_option): Update declaration.
1756         * lto-opts.c (lto_reissue_options): Update call to set_option.
1758 2010-05-06  Richard Guenther  <rguenther@suse.de>
1760         PR tree-optimization/43571
1761         * domwalk.c (walk_dominator_tree): Walk the dominator
1762         sons in more optimal order.
1764 2010-05-06  Richard Guenther  <rguenther@suse.de>
1766         PR tree-optimization/43934
1767         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1768         (stmt_cost): Likewise.
1769         (extract_true_false_args_from_phi): New helper.
1770         (determine_max_movement): For PHI nodes verify we can hoist them
1771         and compute their cost.
1772         (determine_invariantness_stmt): Handle PHI nodes.
1773         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1774         if-converted form using COND_EXPRs.
1775         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1776         (tree_ssa_lim): Likewise.
1777         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1778         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1780 2010-05-06  Richard Guenther  <rguenther@suse.de>
1782         PR tree-optimization/43987
1783         * tree-ssa-structalias.c (could_have_pointers): For possibly
1784         address-taken variables force pointers to be recorded.
1785         (create_variable_info_for_1): Likewise.
1786         (push_fields_onto_fieldstack): Pass in wheter all fields
1787         must have pointers.
1788         (find_func_aliases): Query types instead of vars whether
1789         they contain pointers where appropriate.
1791 2010-05-06  Jan Hubicka  <jh@suse.cz>
1793         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1794         (record_reference, mark_address, mark_load, mark_store): Record
1795         references.
1796         (record_references_in_initializer): Update call of record_references.
1797         (rebuild_cgraph_edges): Remove all references before rebuiding.
1798         * cgraph.c (cgraph_create_node): Clear ref list.
1799         (cgraph_remove_node): Remove references.
1800         (dump_cgraph_node): Dump references.
1801         (cgraph_clone_node): Clone references.
1802         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1803         (struct cgraph_node, varpool_node): Add ref_lst.
1804         * ipa-ref.c: New file.
1805         * ipa-ref.h: New file.
1806         * ipa-ref-inline.h: New file.
1807         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1808         (referenced_from_other_partition_p): New function.
1809         (lto_output_varpool_node): Take set arugment; call
1810         referenced_from_other_partition.
1811         (lto_output_ref): New.
1812         (add_references): New.
1813         (output_refs): New.
1814         (output_cgraph): Compute boundary based on references; output refs.
1815         (output_varpool): Accept cgraph_node_set argument.
1816         (input_ref): New.
1817         (input_refs): New.
1818         (input_cgraph): Call input_refs.
1819         * lto-section-in.c (lto_section_name): Add refs.
1820         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1821         (ipa-ref.o): New file.
1822         * varpool.c (varpool_node): Clear ipa ref list.
1823         (varpool_remove_node): Remove references.
1824         (dump_varpool_node): Dump references.
1825         (varpool_assemble_decl): Only compile finalized ones.
1826         (varpool_extra_name_alias): Initialize ref list.
1827         * lto-streamer.c (lto-get_section_name): Add .refs section.
1828         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1829         (referenced_from_other_partition_p): Declared.
1831 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1833         PR tree-optimization/43901
1834         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1835         type is not NULL if it's transformation phase, and return
1836         FALSE if it's analysis.
1837         (vectorizable_conversion, vectorizable_operation,
1838         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1840 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1842         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1843         Delete.
1844         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1845         New define.
1846         * config/mips/mips-protos.h
1847         (mips_small_register_classes_for_mode_p): Delete prototype.
1849 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1851         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1852         * config/arm/arm.c (multiple_operation_profitable_p,
1853         compute_offset_order): New static functions.
1854         (load_multiple_sequence, store_multiple_sequence): Use them.
1855         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1856         memory offsets, not register numbers.
1857         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1859 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1861         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1862         (get_pending_sizes, put_pending_size, put_pending_sizes):
1863         Update the uses of pending_sizes.
1864         * c-decl.c (store_parm_decls): Likewise.
1865         * c-tree.h (struct c_arg_info): Likewise.
1866         * tree.h: Update the prototype for get_pending_sizes and
1867         put_pending_sizes.
1869 2010-05-05  Jason Merrill  <jason@redhat.com>
1871         PR debug/43370
1872         * c-common.c (handle_aligned_attribute): Respect
1873         ATTR_FLAG_TYPE_IN_PLACE.
1875         PR testsuite/43758
1876         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1877         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1878         (TARGET_INITIALIZER): Use it.
1879         * c-common.c (attribute_takes_identifier_p): Call it.
1880         * c-common.h: Update prototype.
1881         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1882         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1884 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1886         PR debug/43950
1887         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1888         DW_ID_down_case for Fortran compilation units.
1890 2010-05-05  Jan Hubicka  <jh@suse.cz>
1892         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1893         handle aliases.
1895 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1897         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1898         a variable-sized RESULT_DECL.
1900 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1902         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1904 2010-05-05  Jason Merrill  <jason@redhat.com>
1906         PR c++/43787
1907         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1908         returns GS_OK.
1909         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1911 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1912             Jakub Jelinek  <jakub@redhat.com>
1914         PR debug/43478
1915         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1916         (dead_debug_init, dead_debug_finish): New functions.
1917         (dead_debug_add, dead_debug_insert_before): Likewise.
1918         (df_note_bb_compute): Initialize a dead_debug object, add dead
1919         debug uses to it, insert debug bind insns before death insns,
1920         reset debug insns that refer to pending uses at the end.
1921         * rtl.h (make_debug_expr_from_rtl): New prototype.
1922         * varasm.c (make_debug_expr_from_rtl): New function.
1924 2010-05-05  Jan Hubicka  <jh@suse.cz>
1926         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1927         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1928         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1929         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1930         lto_varpool_encoder_encode_initializer_p,
1931         lto_set_varpool_encoder_encode_initializer): New functions.
1932         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1933         call output_varpool.
1934         (input_varpool_node): Do not always set analyzed.
1935         (input_cgraph_1): Return vector of cgraph nodes.
1936         (input_varpool_1): Return vector of varpools.
1937         (input_cgraph): Free the vectors.
1938         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1939         output only initializers needed.
1940         (lto_output): Only call output_cgraph.
1941         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1942         * lto-section-out.c (lto_new_out_decl_state): Initialize
1943         state->varpool_node_encoder.
1944         * lto-streamer.h (lto_varpool_encoder_d): New.
1945         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1946         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1947         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1948         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1949         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1950         Declare.
1951         (output_varpool, input_varpool): Remove declarations.
1953 2010-05-05  Jan Hubicka  <jh@suse.cz>
1955         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1956         with body can prevail.
1958 2010-05-05  Jan Hubicka  <jh@suse.cz>
1960         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1961         size.
1963 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1965         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1967         * gengtype.h (erro_at_line): Constify pos argument.
1969         * gengtype.c: Include hashtab.h.
1970         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1971         (error_at_line): Constify pos argument.
1972         (do_typedef): Initialize p->opt field.
1973         (get_file_gtfilename): Fix comment typo.
1974         (struct walk_type_data): Constify line field.
1975         (get_output_file_for_structure): New function.
1976         (write_local_func_for_structure): Constify orig_s argument.
1977         Use get_output_file_for_structure.
1978         (write_func_for_structure): Use get_output_file_for_structure.
1979         (INDENT): New define.
1980         (dump_pair, dump_type, dump_type_list, dump_typekind)
1981         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1982         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1983         functions.
1984         (seen_types): New variable.
1985         (main): New variable do_dump.  Process "-d" command line option.
1986         Call dump_everything if dump requested.
1988 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1990         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1991         in a temporary instead of invoking the macro multiple times.
1992         (track_expr_p): Likewise.
1994 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1996         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1997         per new semantics.
1998         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1999         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
2000         conditions for printing notes.
2001         * common.opt (-Wcoverage-mismatch): Allow negative, default to
2002         true, update documentation.
2003         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2005 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
2007         PR c/43981
2008         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2009         on dimen.
2011 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2013         PR target/43799
2014         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2015         (*sse_prologue_save_insn1): Likewise.
2016         (SSE prologue save splitter): Likewise.
2018 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2020         * tree.c (free_lang_data_in_one_sizepos): New inline function.
2021         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2022         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2023         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2024         all decls.  Call it on DECL_FIELD_OFFSET of fields.
2025         (find_decls_types_r): Follow DECL_VALUE_EXPR.
2026         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2028 2010-05-04  Martin Jambor  <mjambor@suse.cz>
2030         * tree-sra.c (build_access_from_expr_1): The first parameter type
2031         changed to simple tree.
2032         (build_access_from_expr): Likewise, gsi parameter was eliminated.
2033         (scan_assign_result): Renamed to assignment_mod_result, enum elements
2034         renamed as well.
2035         (build_accesses_from_assign): Removed all parameters except for a
2036         simple gimple statement.  Now returns a simple bool.
2037         (scan_function): All non-analysis parts moved to separate functions
2038         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
2039         parameters and updated both callers.
2040         (sra_modify_expr): Removed parameter data.
2041         (sra_modify_function_body): New function.
2042         (perform_intra_sra): Call sra_modify_function_body to modify the
2043         function body.
2044         (replace_removed_params_ssa_names): Parameter data changed into
2045         adjustments vector.
2046         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
2047         changed the parameter dont_convert to convert with the opposite
2048         meaning.
2049         (sra_ipa_modify_assign): Parameter data changed into adjustments
2050         vector, return value changed to bool.
2051         (ipa_sra_modify_function_body): New function.
2052         (sra_ipa_reset_debug_stmts): Updated a comment.
2053         (modify_function): Use ipa_sra_modify_function_body to modify function
2054         body.
2056 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2058         PR middle-end/43671
2059         * alias.c (true_dependence): Handle the same VALUE in x and mem.
2060         (canon_true_dependence): Likewise.
2061         (write_dependence_p): Likewise.
2063 2010-05-04  Jan Hubicka  <jh@suse.cz>
2065         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
2066         * cgraphbuild.c: Include ipa-utils.h
2067         (record_reference_ctx): New struct.
2068         (record_reference): Simplify to work on initializers; not statements.
2069         (mark_address, mark_load, mark_store): New.
2070         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2071         walk PHI nodes too.
2072         (record_references_in_initializer): Update use of record_reference.
2073         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2074         walk PHI nodes too.
2076 2010-05-04  Jan Hubicka  <jh@suse.cz>
2078         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
2079         node will be removed anyway.
2080         (lto_varpool_replace_node): Allow also unanalyzed nodes;
2081         relink aliases of node into prevailing node.
2082         * varpool.c (varpool_remove_node): Remove aliases properly;
2083         when removing node, remove all its aliases too; remove DECL_INITIAL
2084         of removed node; ggc_free the varpool node.
2086 2010-05-04  Richard Guenther  <rguenther@suse.de>
2088         PR tree-optimization/43879
2089         * tree-ssa-structalias.c (alias_get_name): Use
2090         DECL_ASSEMBLER_NAME if available.
2091         (create_function_info_for): Return the varinfo node.
2092         (ipa_pta_execute): Associate same-body aliases and extra names
2093         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
2095 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2097         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
2099 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
2101         PR bootstrap/43964
2102         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
2103         only if HONOR_REG_ALLOC_ORDER is not defined.
2105 2010-05-04  Richard Guenther  <rguenther@suse.de>
2107         PR tree-optimization/43949
2108         * tree-vrp.c (extract_range_from_binary_expr): Only handle
2109         TRUNC_MOD_EXPR.
2111 2010-04-26  Jason Merrill  <jason@redhat.com>
2113         * c.opt (-fstrict-enums): New.
2114         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
2116 2010-05-03  David Ung <davidu@mips.com>
2117             James E. Wilson  <wilson@codesourcery.com>
2119         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
2120         emit the trap instruction before the divide for TUNE_74K.
2122 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2124         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
2125         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
2126         based on the above, for new target hook.
2128         * hooks.c (hook_bool_mode_true): New generic hook.
2129         * hooks.h (hook_bool_mode_true): Add prototype.
2131         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
2132         target hook.
2133         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
2134         target hook, set to hook_bool_mode_false.
2135         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
2136         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
2137         with targetm.small_register_classes_for_mode_p.
2138         (find_reusable_reload): Likewise.
2139         (combine_reloads): Likewise.
2140         * reload1.c (reload_as_needed): Likewise.
2141         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
2142         * ifcvt.c (noce_process_if_block, check_cond_move_block,
2143         dead_or_predicable): Likewise.
2144         * regmove.c (optimize_reg_copy_1): Likewise.
2145         * calls.c (prepare_call_address): Likewise.
2146         (precompute_register_parameters): Likewise.
2148         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2149         hook definition.
2150         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2151         implementation of the hook that considers all register classes
2152         small except for SH64.
2153         (sh_override_options): Use the new hook.
2154         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2155         Add prototype.
2157         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2158         hook definition.
2159         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2160         implementation of the hook that considers all register classes
2161         small for THUMB1.
2162         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2163         Add prototype.
2165         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2166         hook definition.
2167         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2168         implementation of the hook that considers all register classes
2169         small for MIPS16.
2170         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2171         Add prototype.
2173         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2174         hook definition.
2175         * config/m32c/m32c.h: Likewise.
2176         * config/pdp11/pdp11.h: Likewise.
2177         * config/avr/avr.h: Likewise.
2178         * config/xtensa/xtensa.h: Likewise.
2179         * config/m68hc11/m68hc11.h: Likewise.
2180         * config/mn10300/mn10300.h: Likewise.
2181         * config/mcore/mcore.h: Likewise.
2182         * config/h8300/h8300.h: Likewise.
2183         * config/bfin/bfin.h: Likewise.
2185         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2186         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2188 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
2190         * double-int.h (tree_to_double_int): Remove macro.
2191         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2192         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2193         (tree_to_double_int): New function.
2194         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2195         Move ...
2196         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2198 2010-05-03  Richard Guenther  <rguenther@suse.de>
2200         PR tree-optimization/43971
2201         * tree-ssa-structalias.c (get_constraint_for_1): Fix
2202         constraints in the !flag_delete_null_pointer_checks case.
2204 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
2206         PR debug/43972
2207         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2208         result mode matches original rtl mode.
2210 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2212         PR target/43888
2213         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2215 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2217         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2218         when processing flag options.
2220 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2222         * gcov-iov.c (main): Change format string placeholder
2223         from %#08x to 0x%08x.
2224         * genchecksum.c (dosum): Change format string placeholder
2225         from %#02x to 0x%02x.
2227 2010-05-02  Richard Guenther  <rguenther@suse.de>
2229         PR tree-optimization/43879
2230         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2232 2010-05-02  Bruno Haible  <bruno@clisp.org>
2234         * doc/extend.texi (Function Attributes): Fix a typo.
2236 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2238         Revert:
2239         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2240         placeholder from 0x%x to %#x.
2241         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2242         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2243         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2244         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2245         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2246         * config/i386/i386.c (ix86_target_string): Ditto.
2247         * config/i386/i386.c (output_pic_addr_const): Ditto.
2248         (print_operand): Ditto.
2250 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2252         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2253         placeholder from 0x%x to %#x.
2254         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2255         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2256         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2257         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2258         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2259         * optc-gen.awk: Ditto.
2260         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2261         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2262         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2263         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2265 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2267         * target.h (struct calls): Add function_value_regno_p field.
2268         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2269         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2270         * targhooks.c (default_function_value_regno_p): New function.
2271         * targhooks.h (default_function_value_regno_p): Declare function.
2272         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2273         * builtins.c. (apply_result_size): (Ditto.).
2274         * combine.c. (likely_spilled_retval_p): (Ditto.).
2275         * mode-switching.c. Include 'target.h'.
2276         (create_pre_exit): Use function_value_regno_p hook.
2277         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2278         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2279         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2281         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2282         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2283         (ix86_function_value_regno_p): Declare as static, change argument
2284         type to const unsigned int.
2285         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2287 2010-05-01  Richard Guenther  <rguenther@suse.de>
2289         PR tree-optimization/43949
2290         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2291         types.
2292         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2294 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2296         * rtl.h (CONST_DOUBLE_P): Define.
2297         (rtx_to_double_int): Declare.
2298         * emit-rtl.c (rtx_to_double_int): New function.
2299         * dwarf2out.c (insert_double): New function.
2300         (loc_descriptor, add_const_value_attribute): Clean up, use
2301         rtx_to_double_int and insert_double functions.
2303 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2305         * doc/extend.texi (Inline): Add missing return keyword to examples.
2306         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2307         "command-line".
2309 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2311         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2312         the variable part of the offset as well.  Use highest_pow2_factor for
2313         all alignment checks.
2315 2010-04-30  Richard Guenther  <rguenther@suse.de>
2317         PR tree-optimization/43879
2318         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2319         can have pointers.
2321 2010-04-30  Jan Hubicka  <jh@suse.cz>
2323         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2324         varpool.
2325         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2327 2010-04-30  Jan Hubicka  <jh@suse.cz>
2329         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2330         New.
2331         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2332         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2333         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2334         cgraph_node_set_needs_ltrans_p): Remove.
2336 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2338         * sdbout.c: Include vec.h, do not include varray.h.
2339         (deferred_global_decls, sdbout_global_decl,
2340         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2341         * toplev.c: Do not include varray.h.
2342         (dump_memory_report): Do not dump VARRAY statistics.
2343         * gengtype.c (open_base_file): Ignore varray.h.
2344         * Makefile.in: Update for abovementioned changes.
2345         Remove all traces of varray.c and varray.h.
2346         * varray.c: Remove file.
2347         * varray.h: Remove file.
2349 2010-04-30  Jan Hubicka  <jh@suse.cz>
2351         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2352         references.
2354 2010-04-30  Jan Hubicka  <jh@suse.cz>
2356         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2357         needed.
2359 2010-04-30  Richard Guenther  <rguenther@suse.de>
2361         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2362         constraints for CONSTRUCTOR.
2364 2010-04-30  Richard Guenther  <rguenther@suse.de>
2366         PR lto/43946
2367         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2368         first after all lowering passes.
2370 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2372         * toplev.c: Include varray.h for statistics dumping.
2373         * tree.h: Do not declare varray_head_tag.
2374         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2375         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2376         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2377         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2378         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2379         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2380         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2381         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2382         include varray.h.
2383         * Makefile.in: Update for abovementioned changes.
2385 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2387         PR debug/43942
2388         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2390 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2392         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2393         Use this function to do machine-specific conversion.
2394         (picochip_legitimize_reload_address): Likewise.
2395         (picochip_legitimate_address_p): Check valid base register only if
2396         strict.
2397         (picochip_check_conditional_copy): Check for modw only if opnd is
2398         register.
2399         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2400         to call the function in c.
2401         * config/picochip/picochip-protos.h
2402         (picochip_legitimize_reload_address): Define.
2403         * config/picochip/picochip.md (supported_compare1): Define.
2405 2010-04-30  Jan Hubicka  <jh@suse.cz>
2407         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2408         (cgraph_global_info): Remove inlined.
2409         (LTO_cgraph_tag_names): Remove.
2410         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2411         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2412         simplify cgraph tags and document.
2413         (lto_output_node): Use only LTO_cgraph_unavail_node and
2414         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2415         for_functions_valid, global info, process and output flags.
2416         (input_overwrite_node): Initialize estimated stack size and
2417         estimated growth.  Do not read flags we no longer store.
2418         (input_node): Likewise do not read info no longer stored.
2419         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2420         flag.
2422 2010-04-30  Richard Guenther  <rguenther@suse.de>
2424         PR tree-optimization/43879
2425         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2426         handle non-zero initializers.
2428 2010-04-30  Richard Guenther  <rguenther@suse.de>
2430         * builtins.c (fold_builtin_1): Delete free (0).
2432 2010-04-29  Jan Hubicka  <jh@suse.cz>
2434         * gengtype.c (open_base_files): Add lto-streamer.h
2435         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2436         (pass_ipa_cp): GGC collect.
2437         * toplev. (compile_file): Do not output symbols.
2438         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2439         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2440         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2441         * lto-section-in.c: Include ggc.h
2442         (lto_new_in_decl_state): Alloc in GGC.
2443         (lto_delete_in_decl_state): Likewise.
2444         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2445         Collect.
2447 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2449         PR target/42895
2450         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2451         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2452         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2453         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2454         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2455         account only if HONOR_REG_ALLOC_ORDER is not defined.
2456         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2457         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2459 2010-04-29  Jon Grant  <04@jguk.org>
2461         * collect2.c (vflag): Change type from int to bool.
2462         (debug): Likewise.
2463         (helpflag): New global bool.
2464         (main): Set vflag and debug with boolean, not integer truth values.
2465         Accept new "--help" option and output usage text if found.
2466         * collect2.h (vflag): Update prototype.
2467         (debug): Likewise.
2469 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2471         PR bootstrap/43936
2472         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2474 2010-04-29  Richard Guenther  <rguenther@suse.de>
2476         PR bootstrap/43935
2477         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2478         with ATTRIBUTE_UNUSED.
2480 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2482         PR target/43921
2483         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2484         INSN_P with NONDEBUG_INSN_P.
2485         (distance_non_agu_define): Likewise.
2486         (distance_agu_use): Likewise.
2488 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2490         From Dominique d'Humieres <dominiq@lps.ens.fr>
2491         PR bootstrap/43858
2492         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2493         test_set.
2495 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2497         * plugin.h (invoke_plugin_callbacks): New inline function.
2498         * plugin.c (flag_plugin_added): New global flag.
2499         (add_new_plugin): Initialize above flag.
2500         (invoke_plugin_callbacks): Rename to ...
2501         (invoke_plugin_callbacks_full): ... this.
2503 2010-04-28  Jan Hubicka  <jh@suse.cz>
2505         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2506         (lto_varpool_replace_node): New.
2507         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2508         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2509         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2510         * cgraph.h (varpool_node_ptr): New type.
2511         (varpool_node_ptr): New vector.
2512         (varpool_node_set_def): New structure.
2513         (varpool_node_set): New type.
2514         (varpool_node_set): New vector.
2515         (varpool_node_set_element_def): New structure.
2516         (varpool_node_set_element, const_varpool_node_set_element): New types.
2517         (varpool_node_set_iterator): New type.
2518         (varpool_node): Add prev pointers, add used_from_other_partition,
2519         in_other_partition.
2520         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2521         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2522         varpool_get_node, varpool_remove_node): Declare.
2523         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2524         varpool_node_set_size): New inlines.
2525         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2526         * tree-pass.h (varpool_node_set_def): Forward declare.
2527         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2528         (ipa_write_optimization_summaries): Update prototype.
2529         * ipa-cp.c (ipcp_write_summary): Update.
2530         * ipa-reference.c (ipa_reference_write_summary): Update.
2531         * lto-cgraph.c (lto_output_varpool_node): New static function.
2532         (output_varpool): New function.
2533         (input_varpool_node): New static function.
2534         (input_varpool_1): New function.
2535         (input_cgraph): Input varpool.
2536         * ipa-pure-const.c (pure_const_write_summary): Update.
2537         * lto-streamer-out.c (lto_output): Update, output varpool too.
2538         (write_global_stream): Kill WPA hack.
2539         (produce_asm_for_decls): Update.
2540         (output_alias_pair_p): Handle variables.
2541         (output_unreferenced_globals): Output only needed partition of varpool.
2542         * ipa-inline.c (inline_write_summary): Update.
2543         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2544         cgraph.
2545         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2546         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2547         varpool_node_set_new, varpool_node_set_add,
2548         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2549         debug_varpool_node_set): New functions.
2550         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2551         (execute_one_pass): Process new decls too.
2552         (ipa_write_summaries_2): Pass around vsets.
2553         (ipa_write_summaries_1): Likewise.
2554         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2555         to add.
2556         (ipa_write_optimization_summaries_1): Pass around vsets.
2557         (ipa_write_optimization_summaries): Likewise.
2558         * varpool.c (varpool_get_node): New.
2559         (varpool_node): Update doubly linked lists.
2560         (varpool_remove_node): New.
2561         (dump_varpool_node): More dumping.
2562         (varpool_enqueue_needed_node): Update doubly linked lists.
2563         (decide_is_variable_needed): Kill ltrans hack.
2564         (varpool_finalize_decl): Kill lto hack.
2565         (varpool_assemble_decl): Skip decls in other partitions.
2566         (varpool_assemble_pending_decls): Update doubly linkes lists.
2567         (varpool_empty_needed_queue): Likewise.
2568         (varpool_extra_name_alias): Likewise.
2569         * lto-streamer.c (lto_get_section_name): Add vars section.
2570         * lto-streamer.h (lto_section_type): Update.
2571         (output_varpool, input_varpool): Declare.
2573 2010-04-28  Mike Stump  <mikestump@comcast.net>
2575         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2577 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2579         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2580         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2581         (lto_input_ts_type_tree_pointers): Likewise.
2582         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2583         (lto_output_ts_type_tree_pointers): Likewise.
2585 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2587         Uniquization of constants at the Tree level
2588         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2589         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2590         bit to the end.
2591         (tree_output_constant_def): Declare.
2592         * gimplify.c (gimplify_init_constructor): When using block copy, first
2593         uniquize the constant constructor on the RHS.
2594         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2595         DECL_IN_CONSTANT_POOL flag.
2596         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2597         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2598         constant pool.
2599         (assemble_variable): Deal with symbols belonging to the tree constant
2600         pool.
2601         (get_constant_section): Add ALIGN parameter and simplify.
2602         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2603         (assemble_constant_contents): Use the expression of the VAR_DECL.
2604         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2605         (tree_output_constant_def): New global function.
2606         (mark_constant): Use the expression of the VAR_DECL.
2607         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2608         its expression.
2609         (output_object_block): Likewise and assemble the expression.
2611 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2613         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2614         hash_tree, eq_tree): New tree hash table.
2615         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2616         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2617         lto_orig_address_remove): Reimplement.
2619 2010-04-28  Xinliang David Li  <davidxl@google.com>
2621         PR c/42643
2622         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2623         (compute_uninit_opnds_pos): New function.
2624         (is_non_loop_exit_postdominating): New function.
2625         (compute_control_dep_chain): New function.
2626         (find_pdom): New function.
2627         (convert_control_dep_chain_into_preds): New function.
2628         (find_predicates): New function.
2629         (find_control_equiv_block): New function.
2630         (collect_phi_def_edges): New function.
2631         (find_def_preds): New function.
2632         (find_dom): New function.
2633         (dump_predicates): New function.
2634         (get_cmp_code): New function.
2635         (is_value_included_in): New function.
2636         (find_matching_predicate_in_rest_chains): New function.
2637         (use_pred_not_overlap_with_undef_path_pred): New function.
2638         (is_use_properly_guarded): New function.
2639         (normalize_cond_1): New function.
2640         (is_and_or_or): New function.
2641         (normalize_cond): New function.
2642         (is_gcond_subset_of): New function.
2643         (is_subset_of_any): New function.
2644         (is_or_set_subset_of): New function.
2645         (is_and_set_subset_of): New function.
2646         (is_norm_cond_subset_of): New function.
2647         (is_pred_expr_subset_of): New function.
2648         (is_pred_chain_subset_of): New function.
2649         (is_included_in): New function.
2650         (is_superset_of): New function.
2651         (find_uninit_use): New function.
2652         (warn_uninitialized_phi): New function.
2653         (compute_possibly_undefined_names): New function.
2654         (ssa_undefined_value_p): New function.
2655         (execute_late_warn_uninitialized): New function.
2656         * tree-ssa.c (ssa_undefined_value_p): Removed.
2657         (warn_uninit): Changed to extern.
2658         (warn_uninitialized_phi): Removed.
2659         (warn_uninitialized_vars): Changed to extern.
2660         (execute_late_warn_uninitialized): Removed
2661         * tree-flow.h: Add new prototypes.
2662         * timevar.def: Add new time variable.
2663         * Makefile.in: Add new build file.
2665 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2667         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2668         type if available.
2670 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2672         PR target/22224
2673         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2675 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2677         * cgraph.h (struct cgraph_node): New field indirect_calls.
2678         (struct cgraph_indirect_call_info): New type.
2679         (struct cgraph_edge): Removed field indirect_call. New fields
2680         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2681         (cgraph_create_indirect_edge): Declare.
2682         (cgraph_make_edge_direct): Likewise.
2683         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2684         * ipa-prop.h (struct ipa_param_call_note): Removed.
2685         (struct ipa_node_params): Removed field param_calls.
2686         (ipa_create_all_structures_for_iinln): Declare.
2687         * cgraph.c: Described indirect edges and uids in initial comment.
2688         (cgraph_add_edge_to_call_site_hash): New function.
2689         (cgraph_edge): Search also among the indirect edges, use
2690         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2691         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2692         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2693         site hash.
2694         (initialize_inline_failed): Assign a reason to indirect edges.
2695         (cgraph_create_edge_1): New function.
2696         (cgraph_create_edge): Moved some functionality to
2697         cgraph_create_edge_1.
2698         (cgraph_create_indirect_edge): New function.
2699         (cgraph_edge_remove_callee): Add an assert checking for
2700         non-indirectness.
2701         (cgraph_edge_remove_caller): Special-case indirect edges.
2702         (cgraph_remove_edge): Likewise.
2703         (cgraph_set_edge_callee): New function.
2704         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2705         (cgraph_make_edge_direct): New function.
2706         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2707         the declaration of the call statement matches.
2708         (cgraph_node_remove_callees): Special-case indirect edges.
2709         (cgraph_clone_edge): Likewise.
2710         (cgraph_clone_node): Clone also the indirect edges.
2711         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2712         indirect_call, dump count of indirect_calls edges.
2713         * ipa-prop.c (iinlining_processed_edges): New variable.
2714         (ipa_note_param_call): Create indirect edges instead of
2715         creating notes.  New parameter node.
2716         (ipa_analyze_call_uses): New parameter node, pass it on to
2717         ipa_note_param_call.
2718         (ipa_analyze_stmt_uses): Likewise.
2719         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2720         (print_edge_addition_message): Work on edges rather than on notes.
2721         (update_call_notes_after_inlining): Likewise, renamed to
2722         update_indirect_edges_after_inlining.
2723         (ipa_create_all_structures_for_iinln): New function.
2724         (ipa_free_node_params_substructures): Do not free notes.
2725         (ipa_edge_duplication_hook): Propagate bits within
2726         iinlining_processed_edges bitmap.
2727         (ipa_node_duplication_hook): Do not duplicate notes.
2728         (free_all_ipa_structures_after_ipa_cp): Renamed to
2729         ipa_free_all_structures_after_ipa_cp.
2730         (free_all_ipa_structures_after_iinln): Renamed to
2731         ipa_free_all_structures_after_iinln.
2732         (ipa_write_param_call_note): Removed.
2733         (ipa_read_param_call_note): Removed.
2734         (ipa_write_indirect_edge_info): New function.
2735         (ipa_read_indirect_edge_info): Likewise.
2736         (ipa_write_node_info): Do not stream notes, do stream information
2737         in indirect edges.
2738         (ipa_read_node_info): Likewise.
2739         (lto_ipa_fixup_call_notes): Removed.
2740         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2741         * ipa-inline.c (pass_ipa_inline): Likewise.
2742         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2743         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2744         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2745         is_gimple_call.
2746         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2747         edges.
2748         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2749         (output_cgraph): Stream also indirect edges.
2750         (lto_output_edge): Added capability to stream indirect edges.
2751         (input_edge): Likewise.
2752         (input_cgraph_1): Likewise.
2753         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2754         of indirect edges.
2756 2010-04-28  Richard Guenther  <rguenther@suse.de>
2758         PR tree-optimization/43879
2759         PR tree-optimization/43909
2760         * tree-ssa-structalias.c (struct variable_info): Add
2761         only_restrict_pointers flag.
2762         (new_var_info): Initialize it.  Increment stats.total_vars here.
2763         (create_function_info_for): Do not increment stats.total_vars here.
2764         (get_function_part_constraint): Fix build with C++.
2765         (insert_into_field_list): Remove.
2766         (push_fields_onto_fieldstack): Properly merge fields.
2767         (create_variable_info_for): Split and simplify.
2768         (create_variable_info_for_1): New piece.
2769         (intra_create_variable_infos): Properly make restrict constraints
2770         from parameters.
2772 2010-04-28  Richard Guenther  <rguenther@suse.de>
2774         PR c++/43880
2775         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2777 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2778             Jan Hubicka <hubicka@ucw.cz>
2780         * doc/invoke.texi (-Wsuggest-attribute=const,
2781         -Wsuggest-attribute=pure): Document.
2782         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2783         (function_always_visible_to_compiler_p,
2784         suggest_attribute, warn_function_pure, warn_function_const):
2785         New functions.
2786         (check_call): Improve debug info.
2787         (analyze_function): Do not check availability.
2788         (add_new_function): Check availability.
2789         (propagate): Output warnings.
2790         (skip_function_for_local_pure_const): New function.
2791         (local_pure_const): Use it; output warnings.
2792         * common.opt (Wsuggest-attribute=const,
2793         Wsuggest-attribute=pure): New.
2795 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2797         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2798         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2799         or DW_CFA_def_cfa_offset{,_sf}.
2801 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2803         * tree.h: Fix truncated long macros.
2805 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2807         * collect2.c (TARGET_64BIT): Redefine to target's default.
2808         * tlink.c: Likewise.
2809         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2810         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2811         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2812         for underscoring __USER_LABEL_PREFIX__.
2813         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2814         (SUB_LINK_ENTRY32): New.
2815         (SUB_LINK_ENTRY64): New.
2816         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2817         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2818         (SUB_LINK_ENTRY64): New.
2819         (SUB_LINK_ENTRY): New.
2820         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2821         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2822         x64 target is choosen.
2823         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2824         * configure: Regenerated.
2825         * configure.ac (leading-mingw64-underscores): Option added.
2827 2010-04-27  Jan Hubicka  <jh@suse.cz>
2829         * doc/invoke.texi (-fipa-profile): Document.
2830         * opts.c (decode_options): Enable ipa-profile at -O1.
2831         * timevar.def (TV_IPA_PROFILE): Define.
2832         * common.opt (fipa-profile): Add.
2833         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2834         flag for clones.
2835         (cgraph_propagate_frequency): Handle only local ones.
2836         * tree-pass.h (pass_ipa_profile): Declare.
2837         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2838         (pass_ipa_profile): Use TV_IPA_PROFILE.
2839         * ipa.c (ipa_profile): New function.
2840         (gate_ipa_profile): Likewise.
2841         (pass_ipa_profile): New global variable.
2842         * passes.c (pass_ipa_profile): New.
2844 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2846         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2848 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2850         PR middle-end/43812
2851         * ipa.c (dissolve_same_comdat_group_list): New function.
2852         (function_and_variable_visibility): Call
2853         dissolve_same_comdat_group_list when comdat group contains external or
2854         newly local nodes.
2855         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2856         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2858 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2860         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2861         (const_hash_1) <VECTOR_CST>: New case.
2862         (compare_constant) <VECTOR_CST>: Likewise.
2863         <ADDR_EXPR>: Deal with LABEL_REFs.
2864         (copy_constant) <VECTOR_CST>: New case.
2866 2010-04-27  Jan Hubicka  <jh@suse.cz>
2868         * cgraph.c (cgraph_propagate_frequency): New function.
2869         * cgraph.h (cgraph_propagate_frequency): Declare.
2870         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2871         cgraph_propagate_frequency.
2873 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2875         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2877 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2879         PR target/40657
2880         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2881         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2882         here to determine which regs to push and how much stack to reserve.
2884 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2886         * doc/gimple.texi (gimple_statement_with_ops): Remove
2887         addresses_taken field.
2888         (gimple_statement_with_memory_ops): Likewise.
2890 2010-04-27  Jan Hubicka  <jh@suse.cz>
2892         * tree-inline.c (eni_inlining_weights): Remove.
2893         (estimate_num_insns): Special case more builtins.
2895 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2897         PR c/32207
2898         * c-typeck.c (build_binary_op): Move forward check for comparison
2899         pointer with null pointer constant and adjust the diagnostic message.
2901 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2903         PR lto/42776
2904         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2905         binutils supports extended .section directive needed by LTO, or
2906         warn if older binutils found.
2907         (LTO_BINARY_READER): New AC_SUBST'd variable.
2908         (LTO_USE_LIBELF): Likewise.
2909         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2910         variable.
2911         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2912         (LTO_USE_LIBELF): Likewise.
2913         * configure: Regenerate.
2915         * collect2.c (is_elf): Rename from this ...
2916         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2917          object files in addition to ELF-formatted ones.
2918         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2919         symbol to be prefixed or not by an extra underscore.
2921         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2922         * config/i386/winnt.c: Also #include lto-streamer.h
2923         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2924         LTO named sections.
2925         (i386_pe_asm_output_aligned_decl_common): Add comment.
2926         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2928 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2930         PR target/43889
2931         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2932         Add missing earlyclobber for second alternative.
2934 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2936         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2937         bits for artificial defs at the top of the block.
2938         * fwprop.c (single_def_use_enter_block): Don't call it.
2940 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2942         PR 43715
2943         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2944         instead of "$gcc_cv_objdump -T".
2945         Use "-undefined dynamic_lookup" on darwin.
2946         * gcc/configure: Regenerate.
2948 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2950         PR c/43893
2951         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2953 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2955         * c-parser.c (struct c_token): Move location field up.
2956         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2957         (struct c_declspecs): Convert typespec_word, storage_class, and
2958         default_int_p into bitfields.
2959         (struct c_declarator): Move loc field up.
2961 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2963         * cfgloop.h (struct loop): Move can_be_parallel field up.
2964         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2965         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2966         down.
2967         (struct iv_cand): Convert pos field into a bitfield.
2968         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2969         field up.
2970         (struct _stmt_vec_info): Shuffle fields for better packing.
2972 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2974         * varasm.c (IN_NAMED_SECTION): Remove guard.
2975         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2976         (IN_NAMED_SECTION_P): ...this.
2977         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2978         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2980 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2982         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2983         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2984         of shadowing it.  Fix comments.
2986 2010-04-26  Jan Hubicka  <jh@suse.cz>
2988         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2989         (cgraph_clone_node): Copy function frequency.
2990         * cgraph.h (node_frequency): New enum
2991         (struct cgraph_node): Add.
2992         * final.c (rest_of_clean_state): Update.
2993         * lto-cgraph.c (lto_output_node): Output node frequency.
2994         (input_overwrite_node): Input node frequency.
2995         * tre-ssa-loop-ivopts (computation_cost): Update.
2996         * lto-streamer-out.c (output_function): Do not output function
2997         frequency.
2998         * predict.c (maybe_hot_frequency_p): Update and handle functions
2999         executed once.
3000         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3001         attribute lookup.
3002         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3003         (compute_function_frequency): Set noreturn functions to be executed
3004         once.
3005         (choose_function_section): Update.
3006         * lto-streamer-in.c (input_function): Do not input function frequency.
3007         * function.c (allocate_struct_function): Do not initialize function
3008         frequency.
3009         * function.h (function_frequency): Remove.
3010         (struct function): Remove function frequency.
3011         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3012         (try_update): Update.
3013         * tree-inline.c (initialize_cfun): Do not update function frequency.
3014         * passes.c (pass_init_dump_file): Update.
3015         * i386.c (ix86_compute_frame_layout): Update.
3016         (ix86_pad_returns): Update.
3018 2010-04-26  Jie Zhang  <jie@codesourcery.com>
3020         PR tree-optimization/43833
3021         * tree-vrp.c (range_int_cst_p): New.
3022         (range_int_cst_singleton_p): New.
3023         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3024         when both operands are constants.  Use range_int_cst_p in
3025         BIT_IOR_EXPR case.
3027 2010-04-26  Jan Hubicka  <jh@suse.cz>
3029         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3031 2010-04-26  Richard Guenther  <rguenther@suse.de>
3033         PR lto/43080
3034         * gimple.c (gimple_decl_printable_name): Deal gracefully
3035         with a NULL DECL_NAME.
3037 2010-04-26  Richard Guenther  <rguenther@suse.de>
3039         PR lto/42425
3040         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3041         if emitting debug information and it is either a function
3042         or a namespace decl.
3044 2010-04-26  Ira Rosen  <irar@il.ibm.com>
3046         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3047         determine if the statement is vectorizable, and a macro to access it.
3048         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3049         Skip statements that can't be vectorized. If the analysis fails,
3050         mark the statement as unvectorizable if vectorizing basic block.
3051         (vect_compute_data_refs_alignment): Likewise.
3052         (vect_verify_datarefs_alignment): Skip statements marked as
3053         unvectorizable. Add print.
3054         (vect_analyze_group_access): Skip statements that can't be
3055         vectorized. If the analysis fails, mark the statement as
3056         unvectorizable if vectorizing basic block.
3057         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3058         * tree-vect-stmts.c (vectorizable_store): Fix the number of
3059         generated stmts for SLP.
3060         (new_stmt_vec_info): Initialize the new field.
3061         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
3062         statements marked as unvectorizable.
3064 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
3066         * c-common.c (flag_isoc1x): New.
3067         (flag_isoc99): Update comment.
3068         * c-common.h (flag_isoc1x): New.
3069         (flag_isoc99): Update comment.
3070         * c-cppbuiltin.c (builtin_define_float_constants): Also define
3071         __<type>_DECIMAL_DIG__.
3072         * c-opts.c (set_std_c1x): New.
3073         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
3074         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
3075         * c.opt (-std=c1x, -std=gnu1x): New options.
3076         * doc/cpp.texi: Mention -std=c1x.
3077         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
3078         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
3079         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
3080         * doc/standards.texi: Mention C1X.
3081         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
3082         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
3083         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
3084         Define for C1X.
3086 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
3088         * config/i386/gmon-sol2.c (_mcleanup): Change format string
3089         placeholder from 0x%x to %#x.
3090         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3091         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3092         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3093         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3094         * config/i386/i386.c (ix86_target_string): Ditto.
3095         (output_pic_addr_const): Ditto.
3096         (print_operand): Ditto.
3098 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
3100         * combine.c (find_split_point): Add third argument.  Use it
3101         to find nested multiply-accumulate instructions.  Adjust calls.
3102         (try_combine): Adjust call to find_split_point.
3104 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
3106         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
3108 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
3110         PR tree-optimization/41442
3111         * fold-const.c (merge_truthop_with_opposite_arm): New function.
3112         (fold_binary_loc): Call it.
3114 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3116         * toplev.c (general_init): Set default for fdiagnostics-show-option.
3117         * opts.c (common_handle_option): Allow disabling it.
3118         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
3120 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3122         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
3123         between modes if both types are integral.
3125 2010-04-23  Richard Guenther  <rguenther@suse.de>
3127         PR tree-optimization/43572
3128         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
3130 2010-04-23  Richard Guenther  <rguenther@suse.de>
3132         PR lto/43455
3133         * tree-inline.c (tree_can_inline_p): Also check compatibility
3134         of return types.
3136 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3138         PR tree-optimization/43846
3139         * tree-sra.c (struct access): New flag grp_assignment_read.
3140         (build_accesses_from_assign): Set grp_assignment_read.
3141         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
3142         (enum mark_read_status): New type.
3143         (analyze_access_subtree): Propagate grp_assignment_read, create
3144         accesses also if both direct_read and root->grp_assignment_read.
3146 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3148         PR middle-end/43835
3149         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3150         function does not have type attributes.
3152 2010-04-23  Richard Guenther  <rguenther@suse.de>
3154         PR lto/42653
3155         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3156         of FUNCTION_DECLs.
3158 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3160         * sese.h (create_if_region_on_edge): Remove.
3162         * sese.c (create_if_region_on_edge): Make static.
3164         * tree-inline.c: Do not include ggc.h.
3166         * expr.c: Do not include ggc.h.
3168         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3169         dependencies.
3171 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3173         PR target/43744
3174         * config/sh/sh.c (find_barrier): Don't emit a constant pool
3175         in the middle of insns for casesi_worker_2.
3177 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
3179         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3181 2010-04-22  Ira Rosen  <irar@il.ibm.com>
3183         PR tree-optimization/43842
3184         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3185         loop unrolling in update of exit phis. Fix comment.
3186         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3187         least two reduction statements in the loop before starting SLP
3188         analysis.
3190 2010-04-22  Nick Clifton  <nickc@redhat.com>
3192         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3194 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
3196         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3197         to simplify a + ~a.
3199 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3201         * tree-parloops.c (loop_parallel_p): New argument
3202         parloop_obstack.  Pass it down.
3203         (parallelize_loops): New variable parloop_obstack.  Initialize it,
3204         pass it down, free it.
3206         * tree-loop-linear.c (linear_transform_loops): Pass down
3207         lambda_obstack.
3209         * tree-data-ref.h (lambda_compute_access_matrices): New argument
3210         of type struct obstack *.
3212         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3213         scratch_obstack.  Initialize it, pass down, free it.
3215         * lambda.h (lambda_loop_new): Remove.
3216         (lambda_matrix_new, lambda_matrix_inverse)
3217         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3218         argument of type struct obstack *.
3220         * lambda-trans.c (lambda_trans_matrix_new): New argument
3221         lambda_obstack.  Pass it down, use obstack allocation for ret.
3222         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
3223         it down.
3225         * lambda-mat.c (lambda_matrix_get_column)
3226         (lambda_matrix_project_to_null): Remove.
3227         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3228         allocation for mat.
3229         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3230         lambda_obstack.
3232         * lambda-code.c (lambda_loop_new): New function.
3233         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3234         (lambda_compute_auxillary_space, lambda_compute_target_space)
3235         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3236         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3237         (build_access_matrix): New argument lambda_obstack.  Use obstack
3238         allocation for am.
3239         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3240         argument lambda_obstack.  Pass it down.
3242 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3244         * optabs.h (expand_widening_mult): Declare.
3246 2010-04-22  Richard Guenther  <rguenther@suse.de>
3248         PR tree-optimization/43845
3249         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3250         lookup the CALL_EXPR function and arguments.
3252 2010-04-22  Nick Clifton  <nickc@redhat.com>
3254         * config/stormy16/stormy16.c
3255         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3256         * config/stormy16/stormy16.h: Tidy up formatting.
3257         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3258         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3259         (ineqbranchsi): Delete pattern.
3260         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3261         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3262         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3263         stormy16-lib2-ucmpsi2.c.
3265 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3267         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3268         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3269         extra set merge_set_noclobber, and use it to relax the final test
3270         slightly.
3271         * df.h (df_simulate_find_noclobber_defs): Declare.
3272         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3273         conditional defs.
3274         (df_simulate_find_noclobber_defs): New function.
3276 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3278         * config/i386/i386.md: Use {} around multi-line preparation statements.
3280 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3282         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3283         (process_init_element): New argument of type struct obstack *.
3285         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3286         (set_init_index, set_init_label, set_nonincremental_init)
3287         (set_nonincremental_init_from_string, find_init_member)
3288         (output_init_element, output_pending_init_elements)
3289         (process_init_element): New argument braced_init_obstack.  Pass it
3290         down.
3291         (push_range_stack, add_pending_init): New argument
3292         braced_init_obstack.  Use obstack allocation.
3294         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3295         braced_init_obstack.  Pass it down.
3296         (c_parser_braced_init): New variables ret, braced_init_obstack.
3297         Initialize obstack, pass it down and finally free it.
3299 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3301         PR middle-end/29274
3302         * tree-pass.h (pass_optimize_widening_mul): Declare.
3303         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3304         gate_optimize_widening_mul): New static functions.
3305         (pass_optimize_widening_mul): New.
3306         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3307         <case MULT_EXPR>: Remove support for widening multiplies.
3308         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3309         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3310         simplify_gen_unary rather than directly building extensions.
3311         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3312         WIDEN_MULT_EXPR.
3313         * expmed.c (expand_widening_mult): New function.
3314         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3316 2010-04-21  Jan Hubicka  <jh@suse.cz>
3318         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3319         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3320         * lto-wpa-fixup.c: Remove.
3321         * Makefile.in (lto-wpa-fixup.o): Remove.
3322         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3323         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3324         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3326 2010-04-21  Jan Hubicka  <jh@suse.cz>
3328         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3329         add write_optimization_summary, read_optimization_summary.
3330         (ipa_write_summaries_of_cgraph_node_set): Remove.
3331         (ipa_write_optimization_summaries): Declare.
3332         (ipa_read_optimization_summaries): Declare.
3333         * ipa-cp.c (pass_ipa_cp): Update.
3334         * ipa-reference.c (pass_ipa_reference): Update.
3335         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3336         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3337         Update.
3338         * ipa-inline.c (pass_ipa_inline): Update.
3339         * ipa.c (pass_ipa_whole_program): Update.
3340         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3341         * passes.c (ipa_write_summaries_1): Do not test wpa.
3342         (ipa_write_optimization_summaries_1): New.
3343         (ipa_write_optimization_summaries): New.
3344         (ipa_read_summaries): Do not test ltrans.
3345         (ipa_read_optimization_summaries_1): New.
3346         (ipa_read_optimization_summaries): New.
3348 2010-04-21  Jan Hubicka  <jh@suse.cz>
3350         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3351         for boundary nodes.
3352         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3354 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3356         PR debug/40040
3357         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3358         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3360 2010-04-21  Jan Hubicka  <jh@suse.cz>
3362         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3364 2010-04-21  Jan Hubicka  <jh@suse.cz>
3366         * varpool.c (decide_is_variable_needed): Variable is always needed
3367         during ltrans.
3369 2010-04-21  Jan Hubicka  <jh@suse.cz>
3371         * opts.c (decode_options): Enable pure-const pass for whopr.
3373 2010-04-21  Jan Hubicka  <jh@suse.cz>
3375         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3376         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3377         at WPA dumping.
3378         (cgraph_decide_inlining): Do not expect callee to be removed in all
3379         cases.
3381 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3383         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3385 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3387         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3388         amdfam10_decode attributes.
3390 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3392         PR middle-end/43570
3393         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3394         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3395         (lower_copyprivate_clauses): Use private var in outer
3396         context instead of original var.  Make sure the types
3397         are correct for VLAs.
3399 2010-04-21  Richard Guenther  <rguenther@suse.de>
3401         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3402         to non-pointer objects.
3404 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3406         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3407         last chain entry if it starts with the still current label.
3408         (add_location_or_const_value_attribute): Check that
3409         loc_list->first->next is NULL instead of comparing ->first with ->last.
3410         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3411         to add_var_loc_to_decl.
3413         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3414         >= 4 add also address size and segment size fields into CIE header.
3416         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3417         long as address size is the same as sizeof (void *) and
3418         segment size is 0.
3419         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3420         address size or segment size is unexpected, return DW_EH_PE_omit.
3421         (classify_object_over_fdes): If get_cie_encoding returned
3422         DW_EH_PE_omit, return -1.
3423         (init_object): If classify_object_over_fdes returned -1,
3424         pretend there were no FDEs at all.
3426 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3428         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3429         bswap{si,di}2 using SWI48 mode iterator.
3430         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3431         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3432         set modrm attribute of bswap insn to 0 and remove length attribute.
3433         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3434         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3435         set mode attribute to <MODE> and remove length attribute.
3437 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3439         PR rtl-optimization/43520
3440         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3441         zero available registers.
3443 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3445         * builtins.c (fold_builtin_cproj): Fold more cases.
3447 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3449         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3450         (fold_builtin_1): Fold builtin cproj.
3451         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3452         Use ATTR_CONST_NOTHROW_LIST.
3454 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3456         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3457         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3458         ffsi2_no_cmove for !TARGET_CMOVE.
3459         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3460         (ffssi2): Remove expander.
3461         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3462         mode iterator.
3463         (ctz<mode>2): Ditto from ctz{si,di}2.
3464         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3465         mode iterator.
3466         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3467         mode iterator.
3469 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3471         * dwarf2out.c (AT_linkage_name): Define.
3472         (clone_as_declaration): Handle DW_AT_linkage_name.
3473         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3474         of DW_AT_MIPS_linkage_name.
3475         (move_linkage_attr): Likewise.
3476         (dwarf2out_finish): Likewise.
3478 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3480         PR middle-end/41952
3481         * fold-const.c (fold_comparison): New folding rule.
3483 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3485         * double-int.h (double_int_setbit): Declare.
3486         * double-int.c (double_int_setbit): New function.
3487         * rtl.h (immed_double_int_const): Declare.
3488         * emit-rtl.c (immed_double_int_const): New function.
3489         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3490         and immed_double_int_const functions.
3491         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3492         expand_copysign_bit):  (Ditto.).
3493         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3494         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3495         * dojump.c (prefer_and_bit_test): (Ditto.).
3496         * expr.c (convert_modes, reduce_to_bit_field_precision,
3497         const_vector_from_tree): (Ditto.).
3498         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3500 2010-04-20  Jan Hubicka  <jh@suse.cz>
3502         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3503         (dump_cgraph_node): Dump new flags.
3504         * cgraph.h (struct cgraph_node): Add flags
3505         reachable_from_other_partition and in_other_partition.
3506         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3507         other partition can not be removed.
3508         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3509         the other partition must be output; silence sanity checking on
3510         leaking functions bodies from other paritition.
3511         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3512         (lto_output_node): Output new flags; do not sanity check that inline
3513         clones are output; drop lto_forced_extern_inline_p code; do not mock
3514         visibility flags at partition boundaries.
3515         (add_node_to): New function.
3516         (output_cgraph): Use it to sort functions so masters appear before
3517         clones.
3518         (input_overwrite_node): Input new flags.
3519         * passes.c (ipa_write_summaries): Do not call
3520         lto_new_extern_inline_states.
3521         * lto-section-out.c (forced_extern_inline,
3522         lto_new_extern_inline_states lto_delete_extern_inline_states,
3523         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3524         * lto-streamer.h (lto_new_extern_inline_states,
3525         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3526         lto_forced_extern_inline_p): Kill.
3528 2010-04-20  Richard Guenther  <rguenther@suse.de>
3530         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3531         from vars that can have pointers.
3532         (process_constraint): Dump useless constraints.
3534 2010-04-20  Richard Guenther  <rguenther@suse.de>
3536         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3537         (dump_sa_points_to_info): Remove asserts.
3538         (init_base_vars): nothing_id isn't an escape point nor does it
3539         have pointers.
3541 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3543         * tree.h (TYPE_REF_IS_RVALUE): Define.
3544         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3545         should_move_die_to_comdat, prune_unused_types_walk): Handle
3546         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3547         (modified_type_die, gen_reference_type_die): Emit
3548         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3549         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3551 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3553         PR target/43635
3554         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3555         calls for -fpic -m31 if they have been sibcall optimized.
3557 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3559         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3560         ar.lc fixed and call-used.
3562         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3564 2010-04-19  Jan Hubicka  <jh@suse.cz>
3566         * opts.c (decode_options): Disable whpr incompatible passes.
3567         * lto/lto.c (lto_1_to_1_map): Skip clones.
3568         (read_cgraph_and_symbols): Do not mark everything as needed.
3569         (do_whole_program_analysis): Do map only after optimizing;
3570         set proper cgraph_state; use passmanager.
3572 2010-04-19  DJ Delorie  <dj@redhat.com>
3574         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3575         POINTER_PLUS_EXPR and fix them.
3577 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3579         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3580         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3581         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3582         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3583         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3584         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3585         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3586         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3587         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3588         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3589         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3591 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3593         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3594         (check_cond_move_block): Likewise.
3595         (cond_move_process_if_block): Likewise.
3596         (noce_find_if_block): Improve formatting.
3597         (find_if_header): Pass 0 to memset and tweak conditions.
3598         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3600 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3602         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3603         for -gdwarf-4.
3605         PR middle-end/43337
3606         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3607         with non-local decl doesn't need chain.
3609 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3611         * ira-color.c (allocno_reload_assign): Avoid accumulating
3612         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3614 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3616         * gimple.h (create_tmp_reg): Declare.
3617         * gimplify.c (create_tmp_reg): New function.
3618         (gimplify_return_expr): Use create_tmp_reg.
3619         (gimplify_omp_atomic): Likewise.
3620         (gimple_regimplify_operands): Likewise.
3621         * tree-dfa.c (make_rename_temp): Likewise.
3622         * tree-predcom.c (predcom_tmp_var): Likewise.
3623         (reassociate_to_the_same_stmt): Likewise.
3624         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3625         (get_replaced_param_substitute): Likewise.
3626         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3627         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3628         * tree-ssa-pre.c (get_representative_for): Likewise.
3629         (create_expression_by_pieces): Likewise.
3630         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3631         (create_tailcall_accumulator): Likewise.
3633 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3635         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3636         new_stmt.
3637         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3639 2010-04-19  Richard Guenther  <rguenther@suse.de>
3641         PR tree-optimization/43796
3642         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3643         from SCEV in the lattice.
3644         (vrp_visit_phi_node): Dump change.
3646 2010-04-19  Richard Guenther  <rguenther@suse.de>
3648         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3649         * configure: Re-generated.
3651 2010-04-19  Richard Guenther  <rguenther@suse.de>
3653         PR tree-optimization/43783
3654         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3655         constant ARRAY_REF operands two and three if possible.
3657 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3659         PR target/43766
3660         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3662 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3664         PR target/43662
3665         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3667 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3669         PR tree-optimization/37027
3670         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3671         and macro to access it.
3672         (vectorizable_reduction): Add argument.
3673         (vect_get_slp_defs): Likewise.
3674         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3675         statements for possible use in SLP.
3676         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3677         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3678         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3679         add new argument.
3680         (vectorizable_reduction): Likewise.
3681         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3682         vect_get_slp_defs.
3683         (vectorizable_type_demotion, vectorizable_type_promotion,
3684         vectorizable_store): Likewise.
3685         (vect_analyze_stmt): Update call to vectorizable_reduction.
3686         (vect_transform_stmt): Likewise.
3687         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3688         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3689         from different interleaving chains in same node.
3690         (vect_slp_rearrange_stmts): New function.
3691         (vect_supported_load_permutation_p): Allow load permutations for
3692         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3693         inside SLP nodes if necessary.
3694         (vect_analyze_slp_instance): Handle reductions.
3695         (vect_analyze_slp): Try to build SLP instances originating from groups
3696         of reductions.
3697         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3698         (vect_get_constant_vectors): Create initial vectors for reductions
3699         according to reduction code. Add new argument.
3700         (vect_get_slp_defs): Add new argument, pass it to
3701         vect_get_constant_vectors.
3702         (vect_schedule_slp_instance): Remove SLP tree root statements.
3704 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3706         * tree.h (ENUM_IS_SCOPED): Define.
3707         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3708         for ENUM_IS_SCOPED enums.
3710 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3712         * fold-const.c (fold_comparison): Use ssizetype.
3713         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3714         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3715         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3716         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3718         * tree.h (initialize_sizetypes): Remove parameter.
3719         (build_common_tree_nodes): Remove second parameter.
3720         * stor-layout.c (initialize_sizetypes): Remove parameter.
3721         Always create an unsigned type.
3722         (set_sizetype): Assert that the passed type is unsigned and simplify.
3723         * tree.c (build_common_tree_nodes): Remove second parameter.
3724         Adjust call to initialize_sizetypes.
3725         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3726         build_common_tree_nodes.
3728 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3730         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3732 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3734         PR tree-optimization/43771
3735         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3736         load permutation doesn't have gaps.
3738 2010-04-18  Jan Hubicka  <jh@suse.cz>
3740         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3741         (sse_prologue_save_insn expander): Use new pattern.
3742         (sse_prologue_save_insn1): New pattern and splitter.
3743         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3744         blocks.
3745         * i386.c (setup_incoming_varargs_64): Do not compute jump
3746         destination here.
3747         (ix86_gimplify_va_arg): Update alignment needed.
3748         (ix86_local_alignment): Do not align all local arrays to 128bit.
3750 2010-04-17  Jan Hubicka  <jh@suse.cz>
3752         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3754 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3756         * arm.md (negdi2): Remove redundant code to force values into a
3757         register.
3759 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3761         * arm/bpabi.S: Add EABI alignment attributes to objects.
3762         * arm/bpabi-v6m.S: Likewise.
3763         * arm/crti.asm: Likewise.
3764         * arm/crtn.asm: Likewise.
3765         * arm/lib1funcs.asm: Likewise.
3766         * arm/libunwind.S: Likewise.
3768 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3770         * arm-protos.h (tune_params): New structure.
3771         * arm.c (current_tune): New variable.
3772         (arm_constant_limit): Delete.
3773         (struct processors): Add pointer to the tune parameters.
3774         (arm_slowmul_tune): New tuning option.
3775         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3776         (all_cores): Adjust to pick up the tuning model.
3777         (arm_constant_limit): New function.
3778         (arm_override_options): Select the appropriate tuning model.  Delete
3779         initialization of arm_const_limit.
3780         (arm_split_constant): Use the new constant-limit model.
3781         (arm_rtx_costs): Pick up the current tuning model.
3782         * arm.md (is_strongarm, is_xscale): Delete.
3783         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3784         for Xscale variant architectures.
3785         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3787 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3789         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3790         can_shift.
3791         (arm_rtx_costs_1): Remove unused variable extra_cost.
3792         (arm_unwind_emit_set): Use variable offset.
3793         (thumb1_output_casesi): Remove unused variable flags.
3795 2010-04-16  Jeff Law  <law@redhat.com>
3797         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3798         needing assignment rather than doing a two-phase assignment.  Remove
3799         unused variable 'm'.
3801 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3803         PR bootstrap/43767
3804         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3806 2010-04-16  Doug Kwan  <dougkwan@google.com>
3808         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3809         (next_operand_entry_id): New static variable.
3810         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3811         (add_to_ops_vec): Assigned unique ID to operand entry.
3812         (struct oecount_s): New field ID.
3813         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3814         (undistribute_ops_list): Assign unique IDs to oecounts.
3815         (init_reassoc): reset next_operand_entry_id.
3817 2010-04-16  Doug Kwan  <dougkwan@google.com>
3819         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3820         missing left parenthesis.
3822 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3824         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3825         *btdi_rex64 using SWI48 mode iterator.
3826         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3827         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3828         *jcc_btdi_mask_rex64.
3830 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3832         * double-int.h (tree_to_double_int): Convert to macro.
3833         * double-int.c (tree_to_double_int): Remove.
3835 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3837         PR debug/43762
3838         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3839         with want_address 2 and in case a single element list might be
3840         possible, call it again with want_address 0.
3842 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3844         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3845         case 'W' print operands for HI mode.
3846         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3847         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3848         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3849         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3851         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3853         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3854         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3855         #xx:3 and #xx:4 mode.
3857         * config/h8300/h8300.md (inverted load with HImode dest): Add
3858         support for H8300SX.
3860         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3861         satisfy 'U' constraint.
3863 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3865         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3866         * configure: Regenerate.
3867         * config.in: Regenerate.
3868         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3869         works.
3871 2010-04-16  Richard Guenther  <rguenther@suse.de>
3873         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3874         (struct tree_decl_common): ... here.
3875         (DECL_PT_UID): Adjust.
3876         (SET_DECL_PT_UID): Likewise.
3877         (DECL_PT_UID_SET_P): Likewise.
3879 2010-04-16  Richard Guenther  <rguenther@suse.de>
3881         PR tree-optimization/43572
3882         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3883         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3884         * tree-flow.h (is_call_clobbered): Remove.
3885         * tree-flow-inline.h (is_call_clobbered): Likewise.
3886         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3887         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3888         (execute_return_slot_opt): Adjust.
3889         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3890         check for call clobbered vars here.
3891         (find_tail_calls): Move tailcall verification to the
3892         proper place.
3894 2010-04-16  Diego Novillo  <dnovillo@google.com>
3896         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3898 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3900         PR target/40603
3901         * config/arm/arm.md (cbranchqi4): New pattern.
3902         * config/arm/predicates.md (const0_operand,
3903         cbranchqi4_comparison_operator): New predicates.
3905 2010-04-16  Richard Guenther  <rguenther@suse.de>
3907         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3908         (dump_gimple_stmt): Likewise.
3910 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3912         * recog.h (struct recog_data): New field is_operator.
3913         (struct insn_operand_data): New field is_operator.
3914         * recog.c (extract_insn): Set recog_data.is_operator.
3915         * genoutput.c (output_operand_data): Emit code to set the
3916         is_operator field.
3917         * reload.c (find_reloads): Use it rather than testing for an
3918         empty constraint string.
3920         PR target/41514
3921         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3922         If the previous insn is a cbranchsi4_insn with the same arguments,
3923         omit the compare instruction.
3925         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3926         register, inputs must be low registers and we need a low register
3927         scratch.  Handle alternative 2 like alternative 3.
3929 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3931         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3932         don't call get_addr on both.  If one expression is a VALUE and
3933         the other a REG, check VALUE's locs if the REG isn't among them.
3935 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3937         * config/sh/sh.h (sh_frame_pointer_required): New function.
3938         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3939         (flag_omit_frame_pointer) Set.
3940         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3941         (rounded_frame_size): Adjust size with outgoing_args_size.
3942         (sh_set_return_address): Must return from stack pointer.
3943         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3944         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3945         (ACCUMULATE_OUTGOING_ARGS): Define.
3946         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3947         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3949 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3951         PR target/43471
3952         * config/sh/sh.c (sh_legitimize_reload_address): Use
3953         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3954         Remove a unneeded check for offset_base.
3956 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3958         * configure: Regenerated.
3960 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3962         * config/s390/s390.c (s390_call_save_register_used): Switch back
3963         to HARD_REGNO_NREGS.
3965 2010-04-15  Richard Guenther  <rguenther@suse.de>
3967         * alias.c (alias_set_subset_of): Handle alias-set zero
3968         child properly.
3970 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3971             Julian Brown  <julian@codesourcery.com>
3973         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3974         alternatives according to use of high and low regs.
3975         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3976         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3977         optimizing for size on Thumb-2.
3979 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3981         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3983 2010-04-15  Richard Guenther  <rguenther@suse.de>
3985         * tree-ssa-structalias.c (struct variable_info): Add
3986         is_fn_info flag.
3987         (new_var_info): Initialize it.
3988         (dump_constraints): Support printing last added constraints.
3989         (debug_constraints): Adjust.
3990         (dump_constraint_graph): Likewise.
3991         (make_heapvar_for): Check for NULL cfun.
3992         (get_function_part_constraint): New function.
3993         (get_fi_for_callee): Likewise.
3994         (find_func_aliases): Properly implement IPA PTA constraints.
3995         (process_ipa_clobber): New function.
3996         (find_func_clobbers): Likewise.
3997         (insert_into_field_list_sorted): Remove.
3998         (create_function_info_for): Properly allocate vars for IPA mode.
3999         Do not use insert_into_field_list_sorted.
4000         (create_variable_info_for): Properly generate constraints for
4001         global vars in IPA mode.
4002         (dump_solution_for_var): Always dump the solution.
4003         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
4004         (find_what_var_points_to): Adjust.
4005         (pt_solution_set): Change.
4006         (pt_solution_ior_into): New function.
4007         (pt_solution_empty_p): Export.
4008         (pt_solution_includes_global): Adjust.
4009         (pt_solution_includes_1): Likewise.
4010         (pt_solutions_intersect_1): Likewise.
4011         (dump_sa_points_to_info): Check some invariants.
4012         (solve_constraints): Move constraint dumping ...
4013         (compute_points_to_sets): ... here.
4014         (ipa_pta_execute): ... and here.
4015         (compute_may_aliases): Do not re-compute points-to info
4016         locally if IPA info is available.
4017         (ipa_escaped_pt): New global var.
4018         (ipa_pta_execute): Properly implement IPA PTA.
4019         * tree-into-ssa.c (dump_decl_set): Support dumping
4020         decls not in referenced-vars.
4021         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
4022         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
4023         (dump_points_to_solution): Likewise.
4024         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
4025         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
4026         (remap_gimple_stmt): Reset call clobber/use information if necessary.
4027         (copy_decl_to_var): Copy DECL_PT_UID.
4028         (copy_result_decl_to_var): Likewise.
4029         * tree.c (make_node_stat): Initialize DECL_PT_UID.
4030         (copy_node_stat): Copy it.
4031         * tree.h (DECL_PT_UID): New macro.
4032         (SET_DECL_PT_UID): Likewise.
4033         (DECL_PT_UID_SET_P): Likewise.
4034         (struct tree_decl_minimal): Add pt_uid member.
4035         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
4036         (pt_solution_empty_p): Declare.
4037         (pt_solution_set): Adjust.
4038         (ipa_escaped_pt): Declare.
4039         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
4040         * gimple-pretty-print.c (pp_points_to_solution): New function.
4041         (dump_gimple_call): Dump call clobber/use information.
4042         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
4043         * tree-pass.h (TDF_ALIAS): New dump option.
4044         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
4045         * doc/invoke.texi (-fipa-pta): Update documentation.
4047 2010-04-15  Richard Guenther  <rguenther@suse.de>
4049         * Makefile.in (OBJS-common): Add gimple-fold.o.
4050         (gimple-fold.o): New rule.
4051         * tree.h (maybe_fold_offset_to_reference,
4052         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
4053         prototypes ...
4054         * gimple.h: ... here.
4055         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
4056         may_propagate_address_into_dereference): Move prototypes ...
4057         * gimple.h: ... here.
4058         * tree-ssa-ccp.c (get_symbol_constant_value,
4059         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
4060         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
4061         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
4062         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
4063         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
4064         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
4065         gimplify_and_update_call_from_tree): Move ...
4066         * gimple-fold.c: ... here.  New file.
4067         (ccp_fold_builtin): Rename to ...
4068         (gimple_fold_builtin): ... this.
4069         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
4071 2010-04-15  Richard Guenther  <rguenther@suse.de>
4073         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
4074         fit_double_type, force_fit_type_double, add_double_with_sign,
4075         neg_double, mul_double_with_sign, lshift_double, rshift_double,
4076         lrotate_double, rrotate_double, div_and_round_double): Move ...
4077         * double-int.c: ... here.
4078         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
4079         add_double, neg_double, mul_double_with_sign, mul_double,
4080         lshift_double, rshift_double, lrotate_double, rrotate_double,
4081         div_and_round_double): Move prototypes ...
4082         * double-int.h: ... here.
4084 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
4086         PR target/43742
4087         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
4088         matching constraints to ensure inputs match the output.
4090 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4092         PR target/43742
4093         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
4094         in an input-only operand.
4096 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
4098         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
4099         (double_int_not, double_int_lshift, double_int_rshift): Declare.
4100         (double_int_negative_p): Convert to static inline function.
4101         * double-int.c (double_int_lshift, double_int_lshift): New functions.
4102         (double_int_negative_p): Remove.
4103         * tree.h (lshift_double, rshift_double):
4104         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
4105         * fold-const.c (fold_convert_const_int_from_real,
4106         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
4107         (lshift_double): Change type of arith argument to bool.
4108         (rshift_double): Change type of arith argument to bool. Correct
4109         comment.
4110         * expmed.c (mask_rtx, lshift_value): (Ditto.).
4112 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
4114         PR target/21803
4115         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
4116         at the start and end of the then/else blocks, and omit them from the
4117         conversion.
4118         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
4119         argument; all callers changed.  Pass zero to old_insns_match_p instead.
4120         (flow_find_head_matching_sequence): New function.
4121         (old_insns_match_p): Check REG_EH_REGION notes for calls.
4122         * basic-block.h (flow_find_cross_jump,
4123         flow_find_head_matching_sequence): Declare functions.
4125 2010-04-14  Jason Merrill  <jason@redhat.com>
4127         PR c++/36625
4128         * c-common.c (attribute_takes_identifier_p): New fn.
4129         * c-common.h: Declare it.
4131 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4133         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
4134         splitter condition.
4135         (*udivmod<mode>4): Ditto.
4137 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4139         * config/i386/i386.md (maxmin_int): Rename code attribute from
4140         maxminiprefix and update all users.
4141         (maxmin_float): Ditto from maxminfprefix.
4142         (logic): Ditto from logicprefix.
4143         (absneg_mnemonic): Ditto from absnegprefix.
4144         * config/i386/mmx.md: Update all users of maxminiprefix,
4145         maxminfprefix and logicprefix for rename.
4146         * config/i386/sse.md: Ditto.
4147         * config/i386/sync.md (sync_<code><mode>): Update for
4148         logicprefix rename.
4150 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4152         PR 42966
4153         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
4154         warnings converted to errors.
4156 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4158         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
4159         used insn_type variable.
4160         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
4161         to avoid set-but-not-used warning.
4163 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4165         * df-core.c (df_ref_debug): Change format string placeholder
4166         from 0x%x to %#x.
4167         * dwarf2asm.c (dw2_asm_output_data_raw,
4168         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
4169         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
4170         * dwarf2out.c (output_cfi, output_cfi_directive,
4171         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
4172         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
4173         Ditto.
4174         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
4175         * print-rtl.c (print_rtx): Ditto.
4177 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
4179         PR middle-end/42694
4180         * builtins.c (expand_builtin_pow_root): New function to expand pow
4181         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
4182         series of sqrt and cbrt calls under -ffast-math.
4183         (expand_builtin_pow): Call it.
4185 2010-04-14  Michael Matz  <matz@suse.de>
4187         PR tree-optimization/42963
4188         * tree-cfg.c (touched_switch_bbs): New static variable.
4189         (group_case_labels_stmt): New function broken out from ...
4190         (group_case_labels): ... here, use the above.
4191         (start_recording_case_labels): Allocate touched_switch_bbs.
4192         (end_recording_case_labels): Deallocate it, call
4193         group_case_labels_stmt.
4194         (gimple_redirect_edge_and_branch): Remember index of affected BB.
4196 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4198         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
4199         from insn template.
4201 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4203         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
4205 2010-04-13  Jan Hubicka  <jh@suse.cz>
4207         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
4208         of optimized out static functions.
4209         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
4210         cost computation.  Also sanity check for overflows.
4211         (update_caller_keys): Update cgraph_edge_badness call; properly
4212         update fibheap and sanity check that it is up to date.
4213         (add_new_edges_to_heap): Update cgraph_edge_badness.
4214         (cgraph_decide_inlining_of_small_function): Likewise;
4215         add sanity checking that badness in heap is up to date;
4216         improve dumping of reason; Update badness of calls to the
4217         offline copy of function currently inlined; dump badness
4218         of functions not inlined because of unit growth limits.
4220 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
4222         PR middle-end/32628
4223         * c-common.c (pointer_int_sum): Disregard overflow that occured only
4224         because of sign-extension change when converting to sizetype here...
4225         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4227         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4228         the folding to constants.  Remove redundant final conversion.
4229         (fold_binary) <associate>: Do not associate if the re-association of
4230         constants alone overflows.
4231         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
4232         to the end of the list.
4233         (multiple_of_p) <COND_EXPR>: New case.
4235 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4237         * opt-functions.awk (opt_sanitized_name): New.
4238         (opt_enum): New.
4239         * optc-gen.awk: Use it
4240         * opth-gen.awk: Use it.
4242 2010-04-13  Martin Jambor  <mjambor@suse.cz>
4244         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
4245         (sra_modify_assign): Delete stmts loading dead data even if racc has no
4246         children.  Call replace_uses_with_default_def_ssa_name to handle
4247         SSA_NAES on lhs.
4249 2010-04-13  Michael Matz  <matz@suse.de>
4251         PR middle-end/43730
4252         * builtins.c (expand_builtin_interclass_mathfn): Also create
4253         a register if the predicate doesn't match.
4255 2010-04-13  Diego Novillo  <dnovillo@google.com>
4257         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
4258         * c-pch.c: Include timevar.h.
4259         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
4260         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
4261         * ggc-common.c: Include timevar.h.
4262         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
4263         * timevar.def (TV_PCH_SAVE): Define.
4264         (TV_PCH_CPP_SAVE): Define.
4265         (TV_PCH_PTR_REALLOC): Define.
4266         (TV_PCH_PTR_SORT): Define.
4267         (TV_PCH_RESTORE): Define.
4268         (TV_PCH_CPP_RESTORE): Define.
4270 2010-04-13  Michael Matz  <matz@suse.de>
4272         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
4273         into MINUS_EXPRs.
4274         (can_reassociate_p): New function.
4275         (break_up_subtract_bb, reassociate_bb): Use it.
4277 2010-04-13  Richard Guenther  <rguenther@suse.de>
4279         PR bootstrap/43737
4280         * builtins.c (c_readstr): Fix assert.
4282 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
4284         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
4285         when generating cltd insn.
4287         (*ashl<mode>3_1): Remove special handling for register operand 2.
4288         (*ashlsi3_1_zext): Ditto.
4289         (*ashlhi3_1): Ditto.
4290         (*ashlhi3_1_lea): Ditto.
4291         (*ashlqi3_1): Ditto.
4292         (*ashlqi3_1_lea): Ditto.
4293         (*<shiftrt_insn><mode>3_1): Ditto.
4294         (*<shiftrt_insn>si3_1_zext): Ditto.
4295         (*<shiftrt_insn>qi3_1_slp): Ditto.
4296         (*<rotate_insn><mode>3_1): Ditto.
4297         (*<rotate_insn>si3_1_zext): Ditto.
4298         (*<rotate_insn>qi3_1_slp): Ditto.
4300 2010-04-13  Richard Guenther  <rguenther@suse.de>
4302         * tree-ssa-structalias.c (callused_id): Remove.
4303         (call_stmt_vars): New.
4304         (get_call_vi): Likewise.
4305         (lookup_call_use_vi): Likewise.
4306         (lookup_call_clobber_vi): Likewise.
4307         (get_call_use_vi): Likewise.
4308         (get_call_clobber_vi): Likewise.
4309         (make_transitive_closure_constraints): Likewise.
4310         (handle_const_call): Adjust to do per-call call-used handling.
4311         (handle_pure_call): Likewise.
4312         (find_what_var_points_to): Remove general callused handling.
4313         (init_base_vars): Likewise.
4314         (init_alias_vars): Initialize call_stmt_vars.
4315         (compute_points_to_sets): Process call-used and call-clobbered
4316         vars for call statements.
4317         (delete_points_to_sets): Free call_stmt_vars.
4319 2010-04-13  Richard Guenther  <rguenther@suse.de>
4321         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4322         Only add RW dependence for dependence distance zero.
4323         Adjust maximal vectorization factor according to dependences.
4324         Move alignment handling ...
4325         (vect_find_same_alignment_drs): ... here.  New function.
4326         (vect_analyze_data_ref_dependences): Adjust.
4327         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
4328         (vect_analyze_data_refs): Adjust minimal vectorization factor
4329         according to data references.
4330         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
4331         dependences before determining the vectorization factor.
4332         Analyze alignment after determining the vectorization factor.
4333         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
4334         dependences before alignment.
4335         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
4336         Adjust prototype.
4337         (vect_analyze_data_refs): Likewise.
4338         (MAX_VECTORIZATION_FACTOR): New define.
4340 2010-04-13  Duncan Sands  <baldrick@free.fr>
4342         * except.h (lang_eh_type_covers): Remove.
4343         * except.c (lang_eh_type_covers): Likewise.
4345 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4346             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4348         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
4349         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
4350         UNITS_PER_LONG where it is ABI relevant.
4351         (s390_return_addr_rtx): Likewise.
4352         (s390_back_chain_rtx): Likewise.
4353         (s390_frame_area): Likewise.
4354         (s390_frame_info): Likewise.
4355         (s390_initial_elimination_offset): Likewise.
4356         (save_gprs): Likewise.
4357         (s390_emit_prologue): Likewise.
4358         (s390_emit_epilogue): Likewise.
4359         (s390_function_arg_advance): Likewise.
4360         (s390_function_arg): Likewise.
4361         (s390_va_start): Likewise.
4362         (s390_gimplify_va_arg): Likewise.
4363         (s390_function_profiler): Likewise.
4364         (s390_optimize_prologue): Likewise.
4365         (s390_rtx_costs): Likewise.
4366         (s390_secondary_reload): Likewise.
4367         (s390_promote_function_mode): Likewise.
4368         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
4369         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
4370         registers available.
4371         (s390_unwind_word_mode): New function.
4372         (s390_function_value): Split 64 bit values into register pair if
4373         used as return value.
4374         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
4375         function call parameters.  Handle parallels.
4376         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
4377         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4378         (DWARF_CIE_DATA_ALIGNMENT): New macro.
4379         (s390_expand_setmem): Remove unused variable src_addr.
4380         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
4381         deal with 64 bit registers.
4382         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
4383         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
4384         (UNITS_PER_LONG): New macro.
4385         * libjava/include/s390-signal.h: Define extended ucontext
4386         structure containing the upper halfs of the 64 bit registers.
4388 2010-04-13  Simon Baldwin  <simonb@google.com>
4390         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
4392 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
4394         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
4395         rvalue on the RHS if the LHS is of a non-renamable type.
4396         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
4398 2010-04-13  Matthias Klose  <doko@ubuntu.com>
4400         * gcc.c (cc1_options): Handle -iplugindir before processing
4401         the cc1 spec. Only add -iplugindir once.
4402         (cpp_unique_options): Add -iplugindir option if -fplugin* options
4403         found.
4404         * common.opt (iplugindir): Remove `Separate' property, initialize.
4405         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
4406         option.
4407         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
4408         (distclean): Remove plugin dir.
4409         * doc/invoke.texi: Document -iplugindir.
4411 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
4413         * doc/plugins.texi (Loading Plugins): Document short
4414         -fplugin=foo option.
4415         (Plugin API): Mention default_plugin_dir_name function.
4417         * gcc.c (find_file_spec_function): Add new declaration.
4418         (static_spec_func): Use it for "find-file".
4419         (find_file_spec_function): Add new function.
4420         (cc1_options): Add -iplugindir option if -fplugin* options found.
4422         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
4424         * plugin.c (add_new_plugin): Updated comment, and handle short
4425         plugin name.
4426         (default_plugin_dir_name): Added new function.
4428         * common.opt (iplugindir): New option to set the plugin directory.
4430 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
4432         * config/i386/i386.md (any_rotate): New code iterator.
4433         (rotate_insn): New code attribute.
4434         (rotate): Ditto.
4435         (SWIM124): New mode iterator.
4436         (<rotate_insn>ti3): New expander.
4437         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4438         any_rotate code iterator.
4439         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4440         using any_rotate code iterator and SWIM124 mode iterator.
4441         (ix86_rotlti3): New insn_and_split pattern.
4442         (ix86_rotrti3): Ditto.
4443         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4444         ix86_rotl{di,ti}3 patterns.
4445         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4446         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4447         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4448         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4449         code iterator and SWI mode iterator.
4450         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4451         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4452         code iterator.
4453         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4454         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4455         (bswap rotatert splitter): Add splitter.
4456         (bswap splitter): Macroize splitter using any_rotate code iterator.
4457         Add insn predicate to split only for TARGET_USE_XCHGB or when
4458         optimizing function for size.
4460 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4462         * config/pa/pa.c (emit_move_sequence): Remove use of
4463         deleted variable flag_argument_noalias.
4465 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4467         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4468         configurations.
4469         Add to unsupported targets list.
4470         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4471         sparc*-sun-solaris2.[567]* from target lists.
4472         * configure: Regenerate.
4473         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4474         removal.
4475         Remove Solaris 7 patch references.
4476         (Specific, sparc-sun-solaris2.7): Removed.
4477         (sparc-sun-solaris2*): Update Solaris 7 example.
4478         (sparc64-*-solaris2*): Likewise.
4480 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4482         * config.build (alpha*-dec-osf4*): Remove.
4483         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4484         of obsolete configurations.
4485         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4486         support.
4487         * config/alpha/t-osf4: Renamed to ...
4488         * config/alpha/t-osf5: ... this.
4489         * config/alpha/osf.h: Renamed to ...
4490         * config/alpha/osf5.h: ... this.
4491         Merged old osf5.h contents.
4492         Update comments.
4493         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4494         (EXTRA_SPECS): Removed.
4495         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4496         reflect removal of Tru64 UNIX V4.0/V5.0 support.
4497         Document that.
4499 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4501         * doc/contrib.texi (Contributors, Rainer Orth): Update.
4503 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
4505         PR/43702
4506         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4507         __thiscall convention.
4509 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4511         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4512         orig_base.
4513         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4515 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4517         * function.c (assign_parms_initialize_all): Add unused attribute
4518         to fntype.
4520 2010-04-12  Richard Guenther  <rguenther@suse.de>
4522         * gsstruct.def (GSS_CALL): New.
4523         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4524         * gimple.h: Include tree-ssa-alias.h.
4525         (struct gimple_statement_call): New.
4526         (union gimple_statement_struct_d): Add gimple_call member.
4527         (gimple_call_reset_alias_info): Declare.
4528         (gimple_call_use_set): New function.
4529         (gimple_call_clobber_set): Likewise.
4530         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4531         * gimple.c (gimple_call_reset_alias_info): New function.
4532         (gimple_build_call_1): Call it.
4533         * lto-streamer-in.c (input_gimple_stmt): Likewise.
4534         * tree-inline.c (remap_gimple_stmt): Likewise.
4535         (expand_call_inline): Remove callused handling.
4536         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4537         * tree-dfa.c (dump_variable): Likewise.
4538         * tree-parloops.c (parallelize_loops): Likewise.
4539         * tree-ssa.c (init_tree_ssa): Likewise.
4540         (delete_tree_ssa): Likewise.
4541         * tree-flow-inline.h (is_call_used): Remove.
4542         * tree-flow.h (struct gimple_df): Remove callused member.
4543         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4544         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4545         (ref_maybe_used_by_call_p_1): Simplify.
4546         (call_may_clobber_ref_p_1): Likewise.
4547         * tree-ssa-structalias.c (compute_points_to_sets): Set
4548         the call stmt used and clobbered sets.
4549         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4550         (find_tail_calls): Verify the tail call.
4552 2010-04-12  Richard Guenther  <rguenther@suse.de>
4554         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4555         single-iteration always-inline inlining.
4556         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4557         (cgraph_decide_inlining): Do not handle always-inline specially.
4558         (try_inline): Remove always-inline cycle detection special case.
4559         Do not recurse on always-inlines.
4560         (cgraph_early_inlining): Do not iterate if not optimizing.
4561         (cgraph_gate_early_inlining): remove.
4562         (pass_early_inline): Run unconditionally.
4563         (gate_cgraph_decide_inlining): New function.
4564         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
4565         not inlining or optimizing.
4566         (cgraph_decide_inlining_of_small_functions): Also consider
4567         always-inline functions.
4568         (cgraph_default_inline_p): Return true for nodes which should
4569         disregard inline limits.
4570         (estimate_function_body_sizes): Assume zero size and time for
4571         nodes which are marked as disregarding inline limits.
4572         (cgraph_decide_recursive_inlining): Do not perform recursive
4573         inlining on always-inline nodes.
4575 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
4577         PR bootstrap/43699
4578         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4579         for exprs satisfying handled_component_p.
4581 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4583         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4584         non-constant aggregate elements.
4586         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4587         is a real initialization.
4589 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
4591         PR c/36774
4592         * c-decl.c (start_function): Move forward check for nested function.
4594 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4596         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4597         * config/sh/sh.c: Include reload.h.
4598         (sh_legitimize_reload_address): New.
4599         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4600         sh_legitimize_reload_address.
4602 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
4604         * config/sh/sh.md (*movqi_pop): New insn pattern.
4605         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4607 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4609         * config/i386/i386.md (any_shiftrt): New code iterator.
4610         (shiftrt_insn): New code attribute.
4611         (shiftrt): Ditto.
4612         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4613         using any_shiftrt code iterator.
4614         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4615         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4616         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4617         pattern from corresponding peephole2 patterns.
4618         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4619         using any_shiftrt code iterator.
4620         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4621         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4622         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4623         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4624         *{ashr,lshr}<mode>3_cmp_zext.
4625         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4627 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4629         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4630         scratch register.
4631         (*lshr<mode>3_cconly): Ditto.
4633 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4635         * config/i386/i386.md (lshr<mode>3): Macroize expander from
4636         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4637         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4638         pattern from *lshr{di,ti}3_1 and corresponding splitters using
4639         DWI mode iterator.
4640         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4641         from corresponding peephole2 patterns.
4642         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4643         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4644         and *lshrdi3_1_rex64 using SWI mode iterator.
4645         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4646         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4647         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4648         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4649         and *lshrdi3_cmp_rex64 using SWI mode iterator.
4650         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4651         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4652         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4653         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4654         SWI mode iterator.
4656 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
4658         * config/i386/i386.md (ashr<mode>3): Macroize expander from
4659         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4660         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4661         pattern from *ashr{di,ti}3_1 and corresponding splitters using
4662         DWI mode iterator.
4663         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4664         from corresponding peephole2 patterns.
4665         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4666         (ashrsi3_cvt): Rename from ashrsi3_31.
4667         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4668         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4669         and x86_64_shift_adj_3 using SWI48 mode iterator.
4670         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4671         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4672         and *ashrdi3_1_rex64 using SWI mode iterator.
4673         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4674         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4675         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4676         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4677         and *ashrdi3_cmp_rex64 using SWI mode iterator.
4678         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4679         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4680         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4681         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4682         SWI mode iterator.
4683         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4684         * config/i386/i386.c (ix86_split_ashr): Update for renamed
4685         x86_shift<mode>_adj_3 expanders.
4687 2010-04-10  Wei Guozhi  <carrot@google.com>
4689         PR target/42601
4690         * config/arm/arm.c (arm_pic_static_addr): New function.
4691         (legitimize_pic_address): Call arm_pic_static_addr when it detects
4692         a static symbol.
4693         (arm_output_addr_const_extra): Output expression for new pattern.
4694         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4696 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
4698         * ira-costs.c (record_reg_classes): Ignore alternatives that are
4699         not enabled.
4701         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4702         * web.c: Include "insn-config.h" and "recog.h".
4703         (union_match_dups): New function.
4704         (web_main): Call it.
4705         (union_defs): Don't try to recognize match_dups.
4707         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4708         if doing so would replace the entire pattern.
4710 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
4712         PR target/43707
4713         PR target/43709
4714         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4715         and splitter pattern.  Change splitter operand 1 predicate to
4716         nonmemory_operand.
4718 2010-04-09  Martin Jambor  <mjambor@suse.cz>
4720         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4721         lattices are addresses of CONST_DECLs with the same initial value.
4722         (ipcp_print_all_lattices): Print values of CONST_DECLs.
4723         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4725 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
4726             Bernd Schmidt  <bernds@codesourcery.com>
4728         * loop-invariant.c (replace_uses): New static function.
4729         (move_invariant_reg): Use it to ensure we can replace the uses.
4731 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
4733         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4734         function template.
4735         (picochip_override_options): Enable section anchors only above -O1.
4736         (picochip_reorg): Fixed a couple of build warnings.
4738 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4740         * configure.ac (plugin -rdynamic test): Log result.
4741         * configure: Regenerate.
4742         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4743         (RDYNAMIC_SPEC): Define.
4744         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4746 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4748         * configure.ac: Determine Sun ld version numbers.
4749         (comdat_group): Restrict GNU ld version checks to gld.
4750         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4751         (enable_comdat): Support --enable-comdat.
4752         * configure: Regenerate.
4753         * doc/install.texi (Configuration): Document --enable-comdat.
4755 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4757         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
4758         * config/sol2-gld.h: ... here.
4759         * config.gcc (sparc*-*-solaris2*): Reflect this.
4760         (i[34567]86-*-solaris2*): Use it.
4762 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
4764         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4765         setup_clocks_p.
4766         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4768 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4770         PR 42965
4771         * diagnostic.c (diagnostic_initialize): Initialize
4772         some_warnings_are_errors.
4773         (diagnostic_finish): New.
4774         (diagnostic_action_after_output): Call it before exiting.
4775         (diagnostic_report_diagnostic): Do not print message here. Set
4776         some_warnings_are_errors.
4777         * diagnostic.h (diagnostic_context): Delete
4778         issue_warnings_are_errors_message. Add some_warnings_are_errors.
4779         (diagnostic_finish): Declare.
4780         * toplev.c (toplev_main): Call it before exit.
4782 2010-04-09  Jason Merrill  <jason@redhat.com>
4784         PR c++/42623
4785         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4786         for incomplete type.
4788         PR c++/41788
4789         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4790         based on a warning flag.
4792 2010-04-09  Richard Guenther  <rguenther@suse.de>
4794         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4796 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
4798         PR bootstrap/43684
4799         * varasm.c (default_assemble_visibility): Wrap vars that are
4800         set, but unused, by targets without GAS.
4801         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4802         Remove set, but unused, vars.
4803         (rs6000_legitimize_tls_address): Likewise.
4804         (altivec_expand_dst_builtin): Likewise.
4805         * config/darwin.c (machopic_classify_symbol): Likewise.
4806         (machopic_indirection_name): Likewise.
4808 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
4810         * config/i386/i386.md (DWI): New mode iterator.
4811         (S): New mode attribute.
4812         (shift_operand): Ditto.
4813         (shift_immediate_operand): Ditto.
4814         (ashl_input_operand): Ditto.
4815         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4816         using SDWIM mode iterator.
4817         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4818         pattern from *ashl{di,ti}3_1 and corresponding splitters using
4819         DWI mode iterator.
4820         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4821         from corresponding peephole2 patterns.
4822         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4823         and x86_64_shift_adj_1 using SWI48 mode iterator.
4824         (x86_shift<mode>_adj_2): Ditto.
4825         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4826         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4827         using SWI48 mode iterator.
4828         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4829         *ashldi3_cmp_rex64 using SWI mode iterator.
4830         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4831         *ashldi3_cconly_rex64 using SWI mode iterator.
4832         * config/i386/i386.c (ix86_split_ashl): Update for renamed
4833         x86_shift<mode>_adj_{1,2}.
4834         (ix86_split_ashr): Ditto.
4835         (ix86_split_lshr): Ditto.
4837 2010-04-09  Richard Guenther  <rguenther@suse.de>
4839         * target.h (builtin_conversion): Pass in input and output types.
4840         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4841         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4842         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4843         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4845         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4846         Handle AVX modes.
4847         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4849 2010-04-09  Richard Guenther  <rguenther@suse.de>
4851         PR target/43152
4852         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4854 2010-04-09  Richard Guenther  <rguenther@suse.de>
4856         * tree-vectorizer.h (struct _stmt_vec_info): Document
4857         that vectype is the type of the LHS.
4858         (supportable_widening_operation, supportable_narrowing_operation):
4859         Get both input and output vector types as arguments.
4860         (vect_is_simple_use_1): Declare.
4861         (get_same_sized_vectype): Likewise.
4862         * tree-vect-loop.c (vect_determine_vectorization_factor):
4863         Set STMT_VINFO_VECTYPE to the vector type of the def.
4864         (vectorizable_reduction): Adjust.
4865         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4866         Adjust.  Specify the output vector type.
4867         (vect_pattern_recog_1): Adjust.
4868         * tree-vect-stmts.c (get_same_sized_vectype): New function.
4869         (vectorizable_call): Adjust.
4870         (vectorizable_conversion): Likewise.
4871         (vectorizable_operation): Likewise.
4872         (vectorizable_type_demotion): Likewise.
4873         (vectorizable_type_promotion): Likewise.
4874         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4875         the def.
4876         (vect_is_simple_use_1): New function.
4877         (supportable_widening_operation): Get both input and output
4878         vector types.
4879         (supportable_narrowing_operation): Likewise.
4880         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4882 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
4884         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4885         __thiscall and _thiscall as predefined macros.
4886         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4887         thiscall attribute handling.
4888         (ix86_comp_type_attributes): Likewise.
4889         (ix86_function_regparm): Likewise.
4890         (ix86_return_pops_args): Likewise.
4891         (init_cumulative_args): Likewise.
4892         (find_drap_reg): Likewise.
4893         (ix86_static_chain): Likewise.
4894         (x86_this_parameter): Likewise.
4895         (x86_output_mi_thunk): Likewise.
4896         (ix86_attribute_table): Add description for thiscall attribute.
4897         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4898         * doc/extend.texi: Add documentation for thiscall.
4900 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4902         PR c++/28584
4903         * c.opt (Wint-to-pointer-cast): Available in C++.
4904         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4906 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
4908         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4909         * calls.c (expand_call): Pass the function type to aggregate_value_p.
4910         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4911         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
4912         function type instead.  Reorder and simplify checks.
4914         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4916 2010-04-08  Jing Yu  <jingyu@google.com>
4917             Zdenek Dvorak  <ook@ucw.cz>
4919         PR tree-optimization/42720
4920         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4921         loop unswitch conditions here from ...
4922         (tree_unswitch_single_loop): ... here.
4924 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4926         * tree-if-conv.c: Fix comments and simplify logic.
4928 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4930         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4931         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
4932         (main_tree_if_conversion): Update call to tree_if_conversion.
4934 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4936         PR 42485
4937         * doc/invoke.texi (-b,-V): Delete.
4938         * doc/tm.texi: Do not mention -b.
4939         * gcc.c (display_help): Delete -b and -V.
4940         (process_command): Delete -b and -V.
4941         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4943 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
4944             Wolfgang Gellerich  <gellerich@de.ibm.com>
4946         Implement target hook for loop unrolling
4947         * target.h (loop_unroll_adjust): Add a new target hook function.
4948         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4949         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4950         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4951         (s390_loop_unroll_adjust): Implement the new target hook for s390.
4952         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4953         target hook.
4954         (decide_unroll_stupid): Likewise.
4956 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4958         PR target/43643
4959         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4961 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4963         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4964         (Specific, *-*-solaris2*): Likewise.
4965         Don't prefer Sun as over GNU as.
4967 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
4969         * config/s390/s390.c (override_options): Adjust the z10 defaults
4970         for max-unroll-times, max-completely-peeled-insns
4971         and max-completely-peel-times.
4973 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4975         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4976         instructions for z10.
4977         (s390_expand_setmem): Likewise.
4978         (s390_expand_cmpmem): Likewise.
4980 2010-04-08  Richard Guenther  <rguenther@suse.de>
4982         PR tree-optimization/43679
4983         * tree-ssa-pre.c (eliminate): Only propagate copies.
4985 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
4987         PR bootstrap/43681
4988         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4989         set but not used variable warning.
4991 2010-04-08  Wei Guozhi  <carrot@google.com>
4993         PR target/41653
4994         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4995         (arm_size_rtx_costs): Call the new function when optimized for size.
4997 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
4999         PR debug/43670
5000         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
5001         op0 is not a MEM, just return NULL instead of assertion
5002         failure.
5003         (discover_nonconstant_array_refs): Don't walk debug stmts.
5005 2010-04-08  Doug Kwan  <dougkwan@google.com>
5007         * configure.ac: Recognize gold and do not use its version number
5008         to test ld features.
5009         * configure: Regenerate.
5011 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
5013         PR middle-end/40815
5014         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
5015         (negate_value): Move code to push elements to broken_up_substracts ...
5016         (eliminate_plus_minus_pair): ... here.  Push operands that have no
5017         negative pair to plus_negates.
5018         (repropagate_negates, init_reassoc, fini_reassoc): Update.
5020 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5022         * doc/install.texi (Configuration): Move description of
5023         --enable-lto, --with-libelf*, --enable-gold from Java section to
5024         general section.
5026         * doc/generic.texi (Working with declarations)
5027         (Function Properties, C and C++ Trees): Fix typos.
5028         * doc/sourcebuild.texi (Top Level): Likewise.
5030 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
5032         PR c/18624
5033         * tree.h (DECL_READ_P): Define.
5034         (struct tree_decl_common): Add decl_read_flag.
5035         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
5036         a set but not used warning.
5037         (merge_decls): Merge DECL_READ_P flag.
5038         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
5039         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
5040         * c-common.c (handle_used_attribute, handle_unused_attribute):
5041         Likewise.
5042         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
5043         New prototypes.
5044         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
5045         New functions.
5046         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
5047         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
5048         c_parser_binary_expression, c_parser_cast_expression,
5049         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
5050         Call default_function_array_read_conversion instead of
5051         default_function_array_conversion where needed.
5052         (c_parser_unary_expression, c_parser_conditional_expression,
5053         c_parser_postfix_expression_after_primary, c_parser_initelt):
5054         Likewise.  Call mark_exp_read where needed.
5055         (c_parser_statement_after_labels, c_parser_asm_operands,
5056         c_parser_typeof_specifier, c_parser_sizeof_expression,
5057         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
5058         where needed.
5059         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
5060         New.
5061         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
5062         (warn_unused_but_set_parameter): Default to warn_unused
5063         && extra_warnings.
5064         * doc/invoke.texi: Document -Wunused-but-set-variable and
5065         -Wunused-but-set-parameter.
5067         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
5068         used count variable.
5069         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
5070         when operandN variables aren't used in the body of the expander
5071         or splitter.
5072         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
5073         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
5074         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
5075         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
5076         FOR_EACH_IMM_USE_ON_STMT): Likewise.
5077         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
5078         * tree.c (PROCESS_ARG): Likewise.
5080 2010-04-07  Simon Baldwin  <simonb@google.com>
5082         * diagnostic.h (diagnostic_override_option_index): New macro to
5083         set a diagnostic's option_index.
5084         * c-tree.h (c_cpp_error): Add warning reason argument.
5085         * opts.c (_warning_as_error_callback): New.
5086         (register_warning_as_error_callback): Store callback for
5087         warnings enabled via enable_warning_as_error.
5088         (enable_warning_as_error): Call callback, minor code tidy.
5089         * opts.h (register_warning_as_error_callback): Declare.
5090         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
5091         response to -Werror=.
5092         (c_common_init_options): Register warning_as_error_callback in opts.c.
5093         * common.opt: Add -Wno-cpp option.
5094         * c-common.c (struct reason_option_codes_t): Map cpp warning
5095         reason codes to gcc option indexes.
5096         * (c_option_controlling_cpp_error): New function, lookup the gcc
5097         option index for a cpp warning reason code.
5098         * (c_cpp_error): Add warning reason argument, call
5099         c_option_controlling_cpp_error for diagnostic_override_option_index.
5100         * doc/invoke.texi: Document -Wno-cpp.
5102 2010-04-07  Richard Guenther  <rguenther@suse.de>
5104         * ipa-reference.c (mark_load): Use get_base_address.
5105         (mark_store): Likewise.
5107         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
5108         inserting GIMPLE_NOPs into the IL.
5109         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5110         Explicitly strip handled components and indirect references.
5112         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
5113         folding address expressions.
5114         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
5115         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
5116         operand_equal_p to compare decls.
5117         (ptr_deref_may_alias_decl_p): Likewise.
5118         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
5119         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
5120         Handle reversed comparison ops.
5121         * tree-sra.c (asm_visit_addr): Use get_base_address.
5122         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
5123         * ipa-reference.c (mark_address): Use get_base_address.
5125 2010-04-07  Richard Guenther  <rguenther@suse.de>
5127         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
5128         Propagate constants everywhere.
5130 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
5132         PR debug/43516
5133         * tree.c (MAX_INT_CACHED_PREC): Define.
5134         (nonstandard_integer_type_cache): New array.
5135         (build_nonstandard_integer_type): Cache results for precision
5136         <= MAX_INT_CACHED_PREC.
5138 2010-04-07  Richard Guenther  <rguenther@suse.de>
5140         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
5141         -fargument-noalias-global, -fargument-noalias-anything): Remove.
5142         * common.opt: Likewise.
5143         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
5144         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
5145         (nonoverlapping_memrefs_p): Likewise.
5146         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5147         * opts.c (common_handle_option): Handle OPT_fargument_alias,
5148         OPT_fargument_noalias, OPT_fargument_noalias_anything and
5149         OPT_fargument_noalias_global for backward compatibility.
5151 2010-04-07  Richard Guenther  <rguenther@suse.de>
5153         PR tree-optimization/43270
5154         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
5155         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
5156         * tree-ssa-pre.c (phi_translate_1): Adjust.
5157         (fully_constant_expression): Split out vn_reference handling to ...
5158         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
5159         Fold reads from constant strings.
5160         (vn_reference_lookup): Handle fully constant references.
5161         (vn_reference_lookup_pieces): Likewise.
5162         * Makefile.in (expmed.o-warn): Add -Wno-error.
5164 2010-04-07  Martin Jambor  <mjambor@suse.cz>
5166         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
5168 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
5170         PR driver/41594
5171         * gcc.c: Add -static-libstdc++ to list of recognized options.
5173 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5175         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
5177 2010-04-07  Richard Guenther  <rguenther@suse.de>
5179         PR middle-end/42617
5180         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
5181         bases build simple mem attributes to retain points-to information.
5183 2010-04-07  Richard Guenther  <rguenther@suse.de>
5185         PR middle-end/42617
5186         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
5187         preserve points-to related information.
5189 2010-04-07  Richard Guenther  <rguenther@suse.de>
5191         PR middle-end/42617
5192         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
5193         discard plain indirect references.
5194         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
5195         * tree.c (tree_nop_conversion): Likewise.
5197 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
5199         PR debug/43628
5200         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
5202 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
5204         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
5205         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
5207 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5209         * tree-if-conv.c: Fix indentation and comments.
5211 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5213         * tree-if-conv.c: Sort static functions in topological order.
5215 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5217         * tree-if-conv.c: Fix indentation and comments.
5219 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5221         PR middle-end/43519
5222         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
5223         lang_hooks.types.type_for_size instead of
5224         build_nonstandard_integer_type.
5225         When converting an unsigned type to signed, double its precision.
5226         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
5227         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
5228         (graphite_create_new_loop_guard): When ub + 1 wraps around,
5229         use lb <= ub.
5231 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5233         PR middle-end/43519
5234         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
5235         POINTER_PLUS_EXPR for pointer types.
5237 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5239         PR middle-end/43519
5240         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
5241         * graphite-clast-to-gimple.c: Include langhooks.h.
5242         (max_signed_precision_type): New.
5243         (max_precision_type): Takes two types as arguments.
5244         (precision_for_value): New.
5245         (precision_for_interval): New.
5246         (gcc_type_for_interval): New.
5247         (gcc_type_for_value): New.
5248         (gcc_type_for_clast_term): New.
5249         (gcc_type_for_clast_red): New.
5250         (gcc_type_for_clast_bin): New.
5251         (gcc_type_for_clast_expr): Split up into several functions.
5252         (gcc_type_for_clast_eq): Rewritten.
5253         (compute_bounds_for_level): New.
5254         (compute_type_for_level_1): New.
5255         (compute_type_for_level): New.
5256         (gcc_type_for_cloog_iv): Removed.
5257         (gcc_type_for_iv_of_clast_loop): Rewritten.
5258         (graphite_create_new_loop): Compute the lower and upper bound types
5259         with gcc_type_for_clast_expr.
5260         (graphite_create_new_loop_guard): Same.
5261         (find_cloog_iv_in_expr): Removed.
5262         (compute_cloog_iv_types_1): Removed.
5263         (compute_cloog_iv_types): Removed.
5264         (gloog): Do not call compute_cloog_iv_types.
5265         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
5266         GBB_CLOOG_IV_TYPES.
5267         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
5268         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
5269         (GBB_CLOOG_IV_TYPES): Removed.
5271 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5273         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
5274         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
5275         (detect_commutative_reduction): Same.
5277 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5279         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
5280         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
5281         argument.
5282         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
5283         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
5284         (rewrite_commutative_reductions_out_of_ssa): Same.
5285         * passes.c (execute_function_todo): Call verify_ssa for every pass
5286         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
5287         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
5288         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
5289         with an extra argument.
5290         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
5291         verify_ssa only when the extra argument is true.
5292         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
5293         with an extra argument.
5294         (tree_transform_and_unroll_loop): Same.
5296 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5298         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
5299         for all the passes of the LNO having LOOP_CLOSED_SSA.
5300         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
5301         * tree-loop-distribution.c (pass_loop_distribution): Same.
5302         * tree-pass.h (TODO_verify_loops): Removed.
5303         * tree-ssa-loop.c (pass_tree_loop_init): Same.
5304         (pass_lim): Same.
5305         (pass_tree_unswitch): Same.
5306         (pass_predcom): Same.
5307         (pass_vectorize): Same.
5308         (pass_linear_transform): Same.
5309         (pass_graphite_transforms): Same.
5310         (pass_iv_canon): Same.
5311         (pass_complete_unroll): Same.
5312         (pass_complete_unrolli): Same.
5313         (pass_parallelize_loops): Same.
5314         (pass_loop_prefetch): Same.
5315         (pass_iv_optimize): Same.
5317 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
5319         PR middle-end/32824
5320         * passes.c (init_optimization_passes): Move pass_lim before
5321         pass_copy_prop and pass_dce_loop.
5323 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
5325         PR target/43667
5326         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
5327         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
5328         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
5329         MULTI_* defines for 4 argument vpermil2p* builtins.
5331 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
5333         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
5334         * config/i386/i386.c (x86_maybe_negate_const_int): New.
5335         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
5336         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
5337         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
5338         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
5339         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
5340         Use x86_maybe_negate_const_int to output insn mnemonic.
5341         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
5342         check from instruction predicate.  Update comments.
5343         * config/i386/sync.md (sync_add<mode>): Use
5344         x86_maybe_negate_const_int to output insn mnemonic.
5346 2010-04-06  Jan Hubicka  <jh@suse.cz>
5348         PR tree-optimization/42906
5349         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
5350         IGNORE_SELF argument.  Set visited_control_parents for fully
5351         processed BBs.
5352         (find_obviously_necessary_stmts): Update call of
5353         mark_control_dependent_edges_necessary.
5354         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
5356 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
5358         * config/i386/i386.md: Remove comment about 'e' and 'E'
5359         operand modifier.
5361 2010-04-06  Richard Guenther  <rguenther@suse.de>
5363         PR tree-optimization/43627
5364         * tree-vrp.c (extract_range_from_unary_expr): Widenings
5365         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
5366         not varying.
5368 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
5370         * BASE-VER: Change to 4.6.0.
5372         PR target/43638
5373         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
5374         handling.
5376 2010-04-06  Richard Guenther  <rguenther@suse.de>
5378         PR middle-end/43661
5379         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
5381 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5383         * doc/invoke.texi (Optimize Options): Document that LTO
5384         won't remove object access purely due to incompatible
5385         declarations.
5387 2010-04-04  Matthias Klose  <doko@ubuntu.com>
5389         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
5390         Initialize variable.
5392 2010-04-03  Richard Guenther  <rguenther@suse.de>
5394         PR middle-end/42509
5395         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5396         require a non-NULL MEM_OFFSET.
5398 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
5400         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
5401         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
5402         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
5403         config/alpha/predicates.md, config/arm/arm.md,
5404         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
5405         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
5406         config/darwin9.h, config/darwin.c, config/darwin.h,
5407         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
5408         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
5409         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
5410         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
5411         config/mips/mips.md, config/mn10300/mn10300.c,
5412         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
5413         config/rs6000/aix.h, config/rs6000/dfp.md,
5414         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
5415         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
5416         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
5417         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
5418         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
5419         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
5420         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
5421         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
5422         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
5423         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
5424         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
5425         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
5426         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
5427         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
5428         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
5429         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5430         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5431         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5432         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5433         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5434         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5435         opt-functions.awk, opth-gen.awk, params.def, passes.c,
5436         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5437         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5438         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5439         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5440         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5441         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5442         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5443         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5444         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5445         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5446         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5447         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5448         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5449         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5451 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5453         PR other/43620
5454         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5455         * aclocal.m4: Regenerate.
5457 2010-04-02  Richard Guenther  <rguenther@suse.de>
5459         PR tree-optimization/43629
5460         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5461         if we have seen a constant value.
5463 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
5465         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5467 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
5469         PR target/43469
5470         * arm.c (legitimize_tls_address): Adjust call to
5471         gen_tls_load_dot_plus_four.
5472         (arm_note_pic_base): New function.
5473         (arm_cannot_copy_insn_p): Use it.
5474         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5475         constraint.
5477 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5479         PR bootstrap/43531
5481         Revert:
5482         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5484         * Makefile.in ($(out_object_file)): Depend on
5485         gt-$(basename $(notdir $(out_file))).h.
5487 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
5489         * config.gcc (lm32-*-rtems*): Add t-lm32.
5491 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
5493         * config.gcc: Add lm32-*-rtems*.
5494         * config/lm32/rtems.h: New file.
5496 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
5498         PR target/42609
5499         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5501 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
5503         * dwarf2out.c (output_compilation_unit_header): For
5504         -gdwarf-4 use version 4 instead of version 3.
5505         (output_line_info): For version 4 and above emit additional
5506         maximum ops per insn header field.
5507         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5509         * dwarf2out.c (is_c_family, is_java): Remove.
5510         (lower_bound_default): New function.
5511         (add_bound_info, gen_descr_array_type_die): Use it.
5513 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
5515         PR debug/43325
5516         * dwarf2out.c (gen_variable_die): Allow debug info for variable
5517         re-declaration when it happens in a function.
5519 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
5521         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5522         (cgraph_remove_function_insertion_hook): Same.
5523         (cgraph_call_function_insertion_hooks): Same.
5525 2010-04-01  Richard Guenther  <rguenther@suse.de>
5527         PR middle-end/43614
5528         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5529         and TREE_THIS_VOLATILE.
5530         (copy_ref_info): Likewise.
5531         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5532         * tree.c (build6_stat): Ignore side-effects of all but arg5
5533         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
5534         TARGET_MEM_REF.
5536 2010-04-01  Richard Guenther  <rguenther@suse.de>
5538         PR tree-optimization/43607
5539         * ipa-type-escape.c (check_call): Do not access non-existing
5540         arguments.
5542 2010-04-01  Richard Guenther  <rguenther@suse.de>
5544         PR middle-end/43602
5545         Revert
5546         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
5547                     Jack Howarth <howarth@bromo.med.uc.edu>
5549         * tree-profile.c (tree_init_ic_make_global_vars): Make static
5550         variables TLS.
5552 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5554         * doc/install.texi (Prerequisites): Document libelf usability on
5555         IRIX 5/6 and Solaris 2.
5556         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5557         Update GNU as, GNU ld requirements.
5558         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5559         Document Sun Studio compiler download.
5560         Update and simplify as, ld recommendations.
5561         (Specific, *-*-solaris2.7): Note obsoletion, removal.
5563 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5565         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5566         with_tune_32 to pentium4.
5568 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
5570         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5572 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5574         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5575         obsoletion, removal.
5576         Update IDO URL.
5577         Document GNU as requirement.
5578         Update configure requirements.
5579         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5580         Recomment IRIX 6.5.18+.
5581         Document IDF/IDL requirement.
5582         Document GNU as requirement.
5583         Document GNU ld bootstrap failure.
5584         Remove freeware.sgi.com reference.
5586 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5588         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5589         UNIX V4.0, V5.0 obsoletion, removal.
5590         Remove --with-gc=simple reference.
5591         Update VM requirements during bootstrap.
5592         Remove -oldas bootstrap description.
5593         Update binutils reference.
5594         Remove comparison failure note.
5596 2010-03-31  Richard Guenther  <rguenther@suse.de>
5597             Zdenek Dvorak  <ook@ucw.cz>
5598             Sebastian Pop  <sebastian.pop@amd.com>
5600         PR middle-end/43464
5601         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5602         with multiple arguments.
5603         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5605 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5607         * graphite-dependences.c (print_pddr): Call print_pdr with an
5608         extra argument.
5609         * graphite-poly.c (debug_pdr): Add an extra argument for the
5610         verbosity level.
5611         (print_pdr): Same.
5612         (print_pbb_domain): Same.
5613         (print_pbb): Same.
5614         (print_scop_context): Same.
5615         (print_scop): Same.
5616         (print_cloog): Same.
5617         (debug_pbb_domain): Same.
5618         (debug_pbb): Same.
5619         (print_pdrs): Same.
5620         (debug_pdrs): Same.
5621         (debug_scop_context): Same.
5622         (debug_scop): Same.
5623         (debug_cloog): Same.
5624         (print_scop_params): Same.
5625         (debug_scop_params): Same.
5626         (print_iteration_domain): Same.
5627         (print_iteration_domains): Same.
5628         (debug_iteration_domain): Same.
5629         (debug_iteration_domains): Same.
5630         (print_scattering_function): Same.
5631         (print_scattering_functions): Same.
5632         (debug_scattering_function): Same.
5633         (debug_scattering_functions): Same.
5634         * graphite-poly.h (debug_pdr): Update declaration.
5635         (print_pdr): Same.
5636         (print_pbb_domain): Same.
5637         (print_pbb): Same.
5638         (print_scop_context): Same.
5639         (print_scop): Same.
5640         (print_cloog): Same.
5641         (debug_pbb_domain): Same.
5642         (debug_pbb): Same.
5643         (print_pdrs): Same.
5644         (debug_pdrs): Same.
5645         (debug_scop_context): Same.
5646         (debug_scop): Same.
5647         (debug_cloog): Same.
5648         (print_scop_params): Same.
5649         (debug_scop_params): Same.
5650         (print_iteration_domain): Same.
5651         (print_iteration_domains): Same.
5652         (debug_iteration_domain): Same.
5653         (debug_iteration_domains): Same.
5654         (print_scattering_function): Same.
5655         (print_scattering_functions): Same.
5656         (debug_scattering_function): Same.
5657         (debug_scattering_functions): Same.
5659 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5661         * graphite-poly.c (print_scattering_function_1): New.
5662         (print_scattering_function): Call it.
5663         (print_scop_params): Remove spaces at the end of lines.
5664         (print_cloog): New.
5665         (debug_cloog): New.
5666         * graphite-poly.h (print_cloog): Declared.
5667         (debug_cloog): Declared.
5669 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5671         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5672         in loop->header.
5673         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5674         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5675         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5676         to switch between adding the IV bump in loop->latch or in loop->header.
5678 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5680         * graphite-poly.c (print_scattering_function): Pretty print following
5681         the scoplib format.
5682         (print_pdr): Same.
5683         (print_pbb_domain): Same.
5684         (dump_gbb_cases): Same.
5685         (dump_gbb_conditions): Same.
5686         (print_pdrs): Same.
5687         (print_pbb): Same.
5688         (print_scop_params): Same.
5689         (print_scop_context): Same.
5690         (print_scop): Same.
5691         (print_pbb_body): New.
5692         (lst_indent_to): New.
5693         (print_lst): Start new lines with a #.
5694         * graphite-poly.h (pbb_bb): New.
5695         (pbb_index): Use pbb_bb.
5696         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5697         disjuncts.
5698         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5700 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
5702         * dwarf2out.c (size_of_die): For -gdwarf-4 use
5703         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5704         and 0 instead of 1 for dw_val_class_flag.
5705         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5706         dw_val_class_range_list, dw_val_class_loc_list,
5707         dw_val_class_lineptr and dw_val_class_macptr, use
5708         DW_FORM_flag_present for dw_val_class_flag and
5709         DW_FORM_exprloc for dw_val_class_loc.
5710         (output_die): For -gdwarf-4 print dw_val_class_loc
5711         size as uleb128 instead of 1 or 2 bytes and don't print
5712         anything for dw_val_class_flag.
5714         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5715         instead of cselib_lookup following by tweaking locs->setting_insn.
5717         PR bootstrap/43596
5718         * cselib.c (cselib_process_insn): Clear cselib_current_insn
5719         even before returning from label, setjmp call or volatile asm
5720         handling.
5722 2010-03-31  Richard Guenther  <rguenther@suse.de>
5724         PR middle-end/43600
5725         * cgraphunit.c (cgraph_output_in_order): Do not allocate
5726         temporary data on stack.
5728 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5730         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5731         (PUSHSECTION_ASM_OP): Remove.
5732         (POPSECTION_ASM_OP): Remove.
5733         (PUSHSECTION_FORMAT): Remove.
5734         * config/sol2.h (PUSHSECTION_FORMAT): Define.
5735         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5736         * config/sol2.c (solaris_output_init_fini): Use it.
5738 2010-03-31  Jie Zhang  <jie@codesourcery.com>
5740         PR 43574
5741         * opt-functions.awk (var_type_struct): Use signed char type
5742         for simple variables.
5744 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5746         * config/sol2.c: Include output.h.
5747         (solaris_assemble_visibility): New function.
5748         * config/t-sol2 (sol2.o): Add output.h dependency.
5749         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5750         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5751         Redefine.
5753 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
5755         PR target/43580
5756         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5757         V2SImode or XFmode on PRE_DEC.
5759         PR debug/43557
5760         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5761         BLKmode.
5763 2010-03-31  Jie Zhang  <jie@codesourcery.com>
5765         PR 43562
5766         * reload.h (caller_save_initialized_p): Declare.
5767         * toplev.c (backend_init_target): Don't call
5768         init_caller_save but set caller_save_initialized_p to false.
5769         * caller-save.c (caller_save_initialized_p): Define.
5770         (init_caller_save): Check caller_save_initialized_p.
5771         * ira.c (ira): Call init_caller_save if flag_caller_saves.
5773 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5775         PR target/39048
5776         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5777         and soft-fp/t-softfp to tmake_file.
5778         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5779         (LIBGCC2_TF_CEXT): Define.
5780         (TF_SIZE): Define.
5782 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
5784         PR debug/42977
5785         * cselib.c (n_useless_values): Document handling of debug locs.
5786         (n_useless_debug_values, n_debug_values): New variables.
5787         (new_elt_loc_list): Don't add to debug values, keep count.
5788         (promote_debug_loc): New.
5789         (cselib_reset_table): Zero new variables.
5790         (entry_and_rtx_equal_p): Promote debug locs.
5791         (discard_useless_locs): Increment n_useless_debug_values for
5792         debug values.
5793         (remove_useless_values): Adjust n_useless_values and n_debug_values
5794         with n_useless_debug_values.
5795         (add_mem_for_addr): Promote debug locs.
5796         (cselib_lookup_mem): Likewise.
5797         (cselib_lookup_addr): Renamed to...
5798         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
5799         (cselib_log_lookup): ... this.  Turn into...
5800         (cselib_lookup_addr): ... new wrapper.
5801         (cselib_lookup_from_insn): New.
5802         (cselib_invalidate_regno): Increment n_useless_debug_values for
5803         debug values.
5804         (cselib_invalidate_mem): Likewise.
5805         (cselib_process_insn): Take n_deleted and n_debug_values into
5806         account to guard remove_useless_value call.
5807         (cselib_finish): Zero n_useless_debug_values.
5808         * cselib.h (cselib_lookup_from_insn): Declare.
5809         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5810         (sched_analyze_2): Likewise.
5812 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
5814         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5815         functions.
5816         (adjust_mems): Replace narrowing SUBREG of expression containing
5817         just PLUS, MINUS, MULT and ASHIFT of registers and constants
5818         with operations in the narrower mode.
5820         PR debug/43593
5821         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5822         regs_invalidated_by_call instead all call_used_reg_set registers.
5824 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
5826         PR middle-end/43430
5827         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5828         pointer comparisons with types_compatible_p.
5829         * tree-vect-stmts.c (vectorizable_call): Same.
5830         (vectorizable_condition): Same.
5832 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5834         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5835         stack check if the mask would be zero.
5837 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
5838             Jack Howarth <howarth@bromo.med.uc.edu>
5840         * tree-profile.c (tree_init_ic_make_global_vars): Make static
5841         variables TLS.
5843 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
5845         PR other/25232
5846         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
5847         and __unordtf2.
5848         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5849         Include ___unordxf2 and ___unordtf2.
5850         * config/i386/libgcc-glibc.ver: Do not define inheritance from
5851         GCC_4.4.0 here.
5853 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
5855         * config/lm32/t-lm32: New file.
5856         * config.gcc: Use the above file when targetting lm32.
5858 2010-03-28  Duncan Sands  <baldrick@free.fr>
5860         * Makefile.in (PLUGIN_HEADERS): Add except.h.
5862 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
5864         PR middle-end/43431
5865         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5866         Improve vectorization cost model diagnostic.
5868 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
5870         PR middle-end/43436
5871         * tree-vect-data-refs.c (vect_analyze_data_refs): When
5872         compute_data_dependences_for_loop returns false, early exit
5873         and output an extra diagnostic for the failed data reference
5874         analysis.
5876 2010-03-29  Richard Guenther  <rguenther@suse.de>
5878         PR tree-optimization/43560
5879         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5880         (can_sm_ref_p): Treat stores to readonly locations as trapping.
5882 2010-03-29  Jie Zhang  <jie@codesourcery.com>
5884         PR 43564
5885         * toplev.c (process_options): Set optimization_default_node
5886         and optimization_current_node.
5887         * opts.c (decode_options): Don't set optimization_default_node
5888         and optimization_current_node.
5890 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
5892         * config/rtems.h: Abandon -qrtems_debug.
5894 2010-03-28  Jan Hubicka  <jh@suse.cz>
5896         PR tree-optimization/43505
5897         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5898         map should not be copied.
5900 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5902         PR middle-end/41674
5903         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5904         cdtors, set DECL_PRESERVE_P.
5905         * ipa.c (cgraph_externally_visible_p): Return true if declaration
5906         should be preseved.
5908 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
5910         PR tree-optimization/43528
5911         * stor-layout.c (place_field): Check that constant fits into
5912         unsigned HWI when skipping calculation of MS bitfield layout.
5914 2010-03-27  Jan Hubicka  <jh@suse.cz>
5916         PR middle-end/43391
5917         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5918         notice_global_symbol work.
5920 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
5922         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5923         instead of dwarf2out_decl.
5924         (struct var_loc_node): Remove section_label field.
5925         (dwarf2out_function_decl): New function.
5926         (dwarf2out_var_location): Don't set section_label field.
5927         (dwarf2out_begin_function): Don't empty decl_loc_table here.
5929 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
5931         PR tree-optimization/43544
5932         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5933         First argument for builtin vectorized function hook is now a
5934         tree to be able to distinguish between machine specific and
5935         standard builtins.
5936         * targhooks.c (default_builtin_vectorized_function): Ditto.
5937         * targhooks.h (default_builtin_vectorized_function): Ditto.
5938         * target.h (struct gcc_target): Ditto.
5939         * tree-vect-stmts.c (vectorizable_function): Ditto.
5940         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5941         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5942         Ditto.
5944 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
5946         PR c/43381
5947         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5948         nested binding iff it is a FUNCTION_DECL.
5949         (store_parm_decls_newstyle): Pass nested=true to bind for
5950         FUNCTION_DECLs amongst parameters.
5952 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
5954         * var-tracking.c (vt_expand_loc_callback): Don't run
5955         cselib_expand_value_rtx_cb in dummy mode if
5956         cselib_dummy_expand_value_rtx_cb returned false.
5958         * var-tracking.c (emit_note_insn_var_location): For one part
5959         notes with offset 0, don't add EXPR_LIST around the location.
5960         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5961         add_location_or_const_value_attribute): Adjust for that change.
5963         PR debug/43540
5964         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5965         into first operand and location into second.
5966         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5967         dw_cfi_oprnd_loc for DW_CFA_expression.
5968         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5969         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5970         assume first argument is regnum and second argument is location.
5972 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
5974         PR target/42113
5975         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5976         of scratch register to DImode.  Split to DImode comparison operator.
5977         Use SImode subreg of scratch register in the multiplication.
5978         (*cmp_sadd_sidi): Ditto.
5979         (*cmp_ssub_si): Ditto.
5980         (*cmp_ssub_sidi): Ditto.
5982 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
5984         PR target/43524
5985         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5986         Remove invalid assert and wrong comment.
5988 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
5990         PR debug/43516
5991         * flags.h (final_insns_dump_p): New extern.
5992         * final.c (final_insns_dump_p): New variable.
5993         (rest_of_clean_state): Set it before -fdump-final-insns=
5994         dumping, clear afterwards.
5995         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5996         MEM_ALIAS_SET on MEMs.
5998 2010-03-26  David S. Miller  <davem@davemloft.net>
6000         * configure.ac: Fix sparc GOTDATA_OP bug check.
6001         * configure: Rebuild.
6003 2010-03-26  Alan Modra  <amodra@gmail.com>
6005         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
6007 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6009         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
6010         TLS_SECTION_ASM_FLAG.
6012 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
6014         PR bootstrap/43511
6015         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
6016         Clear first_function_block_is_cold.
6018         PR c/43385
6019         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
6020         argument if the argument is truth_value_p.
6022 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6024         * config/rs6000/constraints.md: Update copyright year for my changes.
6026         PR target/43484
6027         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
6028         used in reg+reg addressing, swap registers.
6030 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
6032         PR debug/43293
6033         * target.h (struct gcc_target): Add code_end hook.
6034         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
6035         if not yet defined.
6036         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
6037         * toplev.c (compile_file): Call targetm.asm_out.code_end
6038         hook before unwind info/debug info output.
6039         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
6040         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
6041         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6042         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
6043         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6044         * config/i386/i386.c (ix86_file_end): Renamed to...
6045         (ix86_code_end): ... this.  Make static.  Don't call
6046         file_end_indicate_exec_stack.  Emit unwind info using
6047         final_start_function/final_end_function.
6048         (darwin_x86_file_end): Remove.
6049         (TARGET_ASM_CODE_END): Define.
6050         * config/i386/i386.h (TARGET_ASM_FILE_END,
6051         NEED_INDICATE_EXEC_STACK): Don't define.
6052         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
6053         (TARGET_ASM_FILE_END): Define to darwin_file_end.
6054         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
6055         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
6057         PR target/43498
6058         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
6059         at the beginning and final_end_function at the end.
6060         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
6062 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6064         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
6065         and Sun as TLS syntax.
6066         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
6067         * configure: Regenerate.
6068         * config.in: Regenerate.
6069         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
6070         (default_elf_asm_named_section): Use it.
6071         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
6072         (i386_output_dwarf_dtprel): Likewise.
6073         (output_addr_const_extra): Likewise.
6074         (output_pic_addr_const): Lowercase @GOTTPOFF.
6075         (output_addr_const_extra): Likewise.
6076         (output_pic_addr_const): Lowercase @GOTNTPOFF.
6077         (output_addr_const_extra): Likewise.
6078         (output_pic_addr_const): Lowercase @INDNTPOFF.
6079         (output_addr_const_extra): Likewise.
6080         (output_pic_addr_const): Lowercase @NTPOFF.
6081         (output_addr_const_extra): Likewise.
6082         (output_pic_addr_const): Lowercase @TPOFF.
6083         (output_addr_const_extra): Likewise.
6084         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
6085         (*tls_global_dynamic_64): Likewise.
6086         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
6087         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
6089         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
6090         (ASM_OUTPUT_TLS_COMMON): Use it.
6091         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
6093         PR target/38118
6094         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
6095         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
6096         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
6097         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
6098         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6099         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
6101 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6103         * config/i386/i386.c (override_options): Don't accept
6104         -mtls-dialect=sun any longer.
6105         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
6106         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
6107         (*tls_local_dynamic_base_32_sun): Likewise.
6108         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6110 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
6112         PR debug/43508
6113         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6114         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
6116         PR debug/43479
6117         * ira.c (adjust_cleared_regs): New function.
6118         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
6120         PR debug/19192
6121         PR debug/43479
6122         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
6123         from gimple_block.
6124         * expr.c (expand_expr_real): Restore previous
6125         curr_insn_source_location and curr_insn_block after
6126         expand_expr_real_1 call.
6127         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
6128         instead of expand_expr_real_1.
6130 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
6132         PR rtl-optimization/43413
6133         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
6134         hard regs too.
6136 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
6138         PR target/43348
6139         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
6140         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
6142 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
6144         * config/i386/i386.c (ix86_target_string): Add -mfma.
6145         Fix a typo in comment.
6147 2010-03-22  Mike Stump  <mikestump@comcast.net>
6149         PR target/23071
6150         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6151         Don't overly align based upon packed packed fields.
6153 2010-03-22  Jason Merrill  <jason@redhat.com>
6155         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
6156         Use () rather than [], and move before the element type.
6158 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6160         * doc/configfiles.texi (Configuration Files): Removed
6161         fixinc/Makefile*, intl/Makefile.*.
6162         * doc/makefile.texi: Fixed markup. Abstract from version
6163         control system used.
6164         (Makefile): Removed obsolete gcc/java/parse.y example.
6165         * doc/sourcebuild.texi: Likewise.
6166         (Top Level): Added config, gnattools, libdecnumber, libgcc,
6167         libgomp, libssp.  Removed fastjar.
6168         (Miscellaneous Docs): Clarify location.
6169         Added COPYING3, COPYING3.LIB.
6170         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
6172 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6174         PR target/38085
6175         * config/i386/i386.c (x86_function_profiler)
6176         [!NO_PROFILE_COUNTERS]: Fix typo.
6177         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
6178         instead of callq.
6180 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
6181             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6183         * doc/sourcebuild.texi (Test Directives): Split into six
6184         subsections, with most of the current text in new subsections
6185         Directives, Selectors, and Final Actions.
6186         (Directives): Split list of test directives into multiple
6187         subsubsections.
6188         (Selectors): Describe use and syntax of selectors.
6189         (Effective-Target Keywords): Describe all existing keywords.
6190         (Add Options): Describe features for dg-add-options.
6191         (Require Support): Describe variants of dg-require-support.
6192         (Final Actions): Describe commands to use in dg-final.
6194 2010-03-22  Michael Matz  <matz@suse.de>
6196         PR middle-end/43475
6197         * recog.c (validate_replace_rtx_group): Replace also in
6198         REG_EQUAL and REG_EQUIV notes.
6200 2010-03-22  Richard Guenther  <rguenther@suse.de>
6202         PR tree-optimization/43390
6203         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
6204         sure vector extracts are type correct.
6206 2010-03-22  Richard Guenther  <rguenther@suse.de>
6208         PR middle-end/40106
6209         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
6210         x * sqrt (x) even when optimizing for size if the target
6211         has native support for sqrt.
6213 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
6215         * varasm.c (make_decl_rtl_for_debug): Also clear
6216         flag_mudflap for the duration of make_decl_rtl call.
6218         PR debug/43443
6219         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
6220         locs from preserved VALUEs.
6222 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6224         PR middle-end/42718
6225         * pa.md (movmemsi): Set align to one if zero.
6226         (movmemdi): Likewise.
6228 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
6230         PR target/42321
6231         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
6232         with their corresponding prologue pushes.
6234 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
6236         PR target/43156
6237         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
6238         at the begining or end.
6239         (spu_expand_epilogue): Likewise.
6241 2010-03-20  Richard Guenther  <rguenther@suse.de>
6243         PR rtl-optimization/43438
6244         * combine.c (make_extraction): Properly zero-/sign-extend an
6245         extraction of the low part of a CONST_INT.  Also handle
6246         CONST_DOUBLE.
6248 2010-03-19  Mike Stump  <mikestump@comcast.net>
6250         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
6251         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
6252         (override_options): Use SUBTARGET32_DEFAULT_CPU.
6254 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
6256         PR c/43211
6257         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
6258         an error.
6260 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
6262         PR rtl-optimization/42258
6263         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
6264         use that may match DEF.
6266         PR target/40697
6267         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
6268         the cost of loading the constant rather than assuming
6269         COSTS_N_INSNS (1).
6270         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
6271         outer code is AND, do the same tests as the andsi3 expander and
6272         return COSTS_N_INSNS (1) if and is cheap.
6274         * optabs.c (avoid_expensive_constant): Fix formatting.
6276 2010-03-19  Michael Matz  <matz@suse.de>
6278         PR c++/43116
6279         * attribs.c (decl_attributes): When rebuilding a function pointer
6280         type use the same qualifiers as the original pointer type.
6282 2010-03-19  Martin Jambor  <mjambor@suse.cz>
6284         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
6285         and is_gimple_ip_invariant_address.
6287 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6289         Revert
6290         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6292         * config/arm/arm.c (arm_override_options): Turn off
6293         flag_dwarf2_cfi_asm for AAPCS variants.
6295 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6297         PR target/43399
6298         * config/arm/arm.c (emit_multi_reg_push): Update comments.
6299         Use PRE_MODIFY instead of PRE_DEC.
6300         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
6301         (vfp_emit_fstmd): Likewise.
6303 2010-03-19  Michael Matz  <matz@suse.de>
6305         PR target/43305
6306         * builtins.c (expand_builtin_interclass_mathfn,
6307         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
6308         if that fails.
6310 2010-03-19  Richard Guenther  <rguenther@suse.de>
6312         PR tree-optimization/43415
6313         * tree-ssa-pre.c (phi_translate): Split out worker to ...
6314         (phi_translate_1): ... this.
6315         (phi_translate): Move all caching here.  Cache all NARY
6316         and REFERENCE translations.
6318 2010-03-19  David S. Miller  <davem@davemloft.net>
6320         With help from Eric Botcazou.
6321         * config/sparc/sparc.c: Include dwarf2out.h.
6322         (emit_pic_helper): Delete.
6323         (pic_helper_symbol_name): Delete.
6324         (pic_helper_emitted_p): Delete.
6325         (pic_helper_needed): New.
6326         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
6327         (get_pc_thunk_name): New.
6328         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
6329         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
6330         Set pic_helper_needed to true.  Don't call emit_pic_helper.
6331         (sparc_expand_prologue): Update load_pic_register call.
6332         (sparc_output_mi_thunk): Likewise.
6333         (sparc_file_end): Emit a hidden comdat symbol for the PIC
6334         thunk if possible.  Output CFI information as needed.
6336 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6337             Jack Howarth <howarth@bromo.med.uc.edu>
6339         PR target/36399
6340         * config/i386/i386.h: Fix ABI on darwin x86-32.
6342 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
6344         * tree.h: Declare make_decl_rtl_for_debug.
6345         * varasm.c (make_decl_rtl_for_debug): New.
6346         * dwarf2out.c (rtl_for_decl_location): Call it.
6347         * cfgexpand.c (expand_debug_expr): Call it.
6349 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
6351         PR bootstrap/43399
6352         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
6353         mem_mode.
6355         PR bootstrap/43403
6356         * var-tracking.c (vt_init_cfa_base): Do nothing if
6357         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
6359 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
6361         PR debug/42873
6362         * var-tracking.c (canonicalize_vars_star): New.
6363         (dataflow_post_merge_adjust): Use it.
6365 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
6367         PR debug/43058
6368         * var-tracking.c (non_suitable_const): New function.
6369         (add_uses): For DEBUG_INSNs with constants, don't record any
6370         value, instead just the constant value itself.
6371         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
6372         is not VAR_LOC_UNKNOWN_P, set var to the constant.
6373         (emit_notes_in_bb): Likewise.
6374         (emit_note_insn_var_location): For onepart variables if
6375         cur_loc is a VOIDmode constant, use DECL_MODE.
6377 2010-03-18  Martin Jambor  <mjambor@suse.cz>
6379         PR middle-end/42450
6380         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
6381         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
6382         all non-clones.  Moved call redirection...
6383         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
6384         (cgraph_materialize_all_clones): Dispose of all
6385         combined_args_to_skip bitmaps.
6386         (verify_cgraph_node): Do not check for edges pointing to wrong
6387         nodes in inline clones.
6388         * tree-inline.c (copy_bb): Call
6389         cgraph_redirect_edge_call_stmt_to_callee.
6390         * ipa.c (cgraph_remove_unreachable_nodes): Call
6391         cgraph_node_remove_callees even when there are used clones.
6393 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
6395         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
6397 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
6399         PR target/43383
6400         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
6401         for 32bit.
6403 2010-03-18  Michael Matz  <matz@suse.de>
6405         PR middle-end/43419
6406         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
6407         into sqrt(x) if we need to preserve signed zeros.
6409 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
6410             Eric Botcazou  <ebotcazou@adacore.com>
6412         PR rtl-optimization/43360
6413         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
6414         note if we don't know its invariant status.
6416 2010-03-18  Michael Matz  <matz@suse.de>
6418         PR tree-optimization/43402
6419         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
6420         PHI chains of ssa names registered for update.
6422 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
6424         PR target/42427
6425         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
6426         non-offsettable and pre_modify update addressing.
6427         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
6428         and "2" alternatives "#".
6429         (*movdd_softfloat32): Make all alternatives "#";
6430         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6431         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6432         (*movdf_softfloat32): Make all alternatives "#";
6433         (movdi): Use the new DIFD mode iterator to create a common splitter
6434         for movdi, movdf and movdd patterns.
6436 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
6438         * common.opt (dumpdir): Remove redundant tab.
6440 2010-03-17  Martin Jambor  <mjambor@suse.cz>
6442         PR tree-optimization/43347
6443         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6444         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6446 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6448         PR rtl-optimization/42216
6449         * regrename.c (create_new_chain): New function, broken out from...
6450         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
6451         appending a use to an empty chain.
6452         (build_def_use): Remove previous changes that convert OP_INOUT to
6453         OP_OUT operands; instead detect the case where an OP_INOUT operand
6454         uses a previously untracked register and create an empty chain for it.
6456 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6458         * doc/extend.texi (Function Attributes): Rewrite unfinished
6459         sentence in ms_abi documentation.
6461 2010-03-17  Alan Modra  <amodra@gmail.com>
6463         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6464         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6465         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6466         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6468 2010-03-16  Richard Henderson  <rth@redhat.com>
6470         PR middle-end/43365
6471         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6472         (lower_try_finally): Save and restore eh_seq around the expansion
6473         of the try-finally.
6475 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
6477         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6478         statements before splitting block.
6480 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6482         * doc/sourcebuild.texi (Testsuites): Fix markup.
6483         Use pathnames relative to gcc/testsuite.
6484         (Test Directives): Move description of how timeout is determined.
6485         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6486         (C Tests): Correct gcc.misc-tests directory.
6487         Framework tests now live in gcc.test-framework.
6489 2010-03-16  Richard Guenther  <rguenther@suse.de>
6491         PR middle-end/43379
6492         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6493         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6495 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
6496             Alexandre Oliva  <aoliva@redhat.com>
6498         PR tree-optimization/42917
6499         * lambda-code.c (remove_iv): Skip debug statements.
6500         (lambda_loopnest_to_gcc_loopnest): Likewise.
6501         (not_interesting_stmt): Debug statements are not interesting.
6503 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
6505         PR debug/43051
6506         PR debug/43092
6507         * cselib.c (cselib_preserve_constants,
6508         cfa_base_preserved_val): New static variables.
6509         (preserve_only_constants): New function.
6510         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6511         clear its REG_VALUES.  If cselib_preserve_constants, don't
6512         empty the whole hash table, but preserve there VALUEs with constants,
6513         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6514         (cselib_preserve_cfa_base_value): New function.
6515         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6516         (cselib_init): Change argument to int bitfield.  Set
6517         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6518         is in it.
6519         (cselib_finish): Clear cselib_preserve_constants and
6520         cfa_base_preserved_val.
6521         * cselib.h (enum cselib_record_what): New enum.
6522         (cselib_init): Change argument to int.
6523         (cselib_preserve_cfa_base_value): New prototype.
6524         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6525         * dse.c (dse_step1): Likewise.
6526         * cfgcleanup.c (thread_jump): Likewise.
6527         * sched-deps.c (sched_analyze): Likewise.
6528         * gcse.c (local_cprop_pass): Likewise.
6529         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6530         If FN is non-NULL, call the callback always and whenever it returns
6531         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
6532         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6533         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6534         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6535         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6536         * var-tracking.c: Include recog.h.
6537         (bb_stack_adjust_offset): Remove.
6538         (vt_stack_adjustments): Don't call it, instead just gather the
6539         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6540         (adjust_stack_reference): Remove.
6541         (compute_cfa_pointer): New function.
6542         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6543         (struct adjust_mem_data): New type.
6544         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6545         functions.
6546         (get_address_mode): New function.
6547         (replace_expr_with_values): Use it.
6548         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6549         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
6550         (adjust_sets): Remove.
6551         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6552         Use get_address_mode.
6553         (get_adjusted_src): Remove.
6554         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
6555         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
6556         (add_with_sets): Don't call adjust_sets.
6557         (fp_setter, vt_init_cfa_base): New functions.
6558         (vt_initialize): Change return type to bool.  Move most of pool etc.
6559         initialization to the beginning of the function from end.  Pass
6560         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6561         If !frame_pointer_needed, call vt_stack_adjustment before mos
6562         vector is filled, call vt_init_cfa_base if argp/framep has been
6563         eliminated to sp.  If frame_pointer_needed and argp/framep has
6564         been eliminated to hard frame pointer, set
6565         hard_frame_pointer_adjustment and call vt_init_cfa_base after
6566         encountering fp setter in the prologue.  For MO_ADJUST, call
6567         log_op_type before pusing the op into mos vector, not afterwards.
6568         Call adjust_insn before cselib_process_insn/add_with_sets,
6569         call cancel_changes (0) afterwards.
6570         (variable_tracking_main_1): Adjust for vt_initialize calling
6571         vt_stack_adjustments and returning whether it succeeded or not.
6573 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
6575         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6576         debug statements.
6578 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
6580         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6581         has been set.
6582         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6583         drap_reg has not been set.
6585 2010-03-15  Michael Matz  <matz@suse.de>
6587         PR middle-end/43300
6588         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6589         use it to expand block copies.
6590         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6591         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6592         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6594 2010-03-15  Richard Guenther  <rguenther@suse.de>
6596         PR tree-optimization/43367
6597         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6598         elimination check.
6600 2010-03-15  Richard Guenther  <rguenther@suse.de>
6602         PR tree-optimization/43317
6603         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6605 2010-03-15  Martin Jambor  <mjambor@suse.cz>
6607         PR tree-optimization/43141
6608         * tree-sra.c (create_abstract_origin): New function.
6609         (modify_function): Call create_abstract_origin.
6611 2010-03-15  Chris Demetriou  <cgd@google.com>
6613         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6614         wasn't copied.
6616 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6618         PR middle-end/43354
6619         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6620         call insert_out_of_ssa_copy for default definitions.
6622 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6624         * graphite-clast-to-gimple.c (my_long_long): Defined.
6625         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6626         * graphite-sese-to-poly.c (my_long_long): Defined.
6627         (scop_ivs_can_be_represented): Use it.
6629 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6631         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6632         graphite-max-bbs-per-function, and loop-block-tile-size.
6633         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6634         with "maximum".
6635         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6637 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6639         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6640         forward declaration.
6641         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6642         (add_upper_bounds_from_estimated_nit): New.
6643         (build_loop_iteration_domains): Use it.
6645 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6647         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6649 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6651         PR middle-end/43306
6652         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6653         should be an INTEGER_CST.  Also handle CASE_CONVERT.
6655 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6657         * graphite.c (graphite_initialize): To bound the number of bbs per
6658         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6659         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6660         * doc/invoke.texi: Document it.
6662 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6664         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6665         * graphite-sese-to-poly.h (build_poly_scop): Same.
6667 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6669         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6670         the number of parameters in the scop.  Use as an upper bound
6671         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6672         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6673         * doc/invoke.texi: Document it.
6675 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
6677         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6678         * doc/c-tree.texi: Remove.
6679         * doc/generic.texi: Merge c-tree.texi here.
6680         * doc/gccint.texi (Trees): Remove menu entry.
6681         (c-tree.texi): Remove @include.
6682         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6683         * doc/languages.texi (Reading RTL): Ditto.
6685 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
6687         PR target/42869
6688         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6690 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6692         PR middle-end/42431
6693         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6694         code added to work around reload clobbering CONST insns.
6696 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
6698         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6699         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6700         (cselib_preserve_only_values): Remove retain argument, don't
6701         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6702         * cselib.h (cselib_preserve_only_values): Remove retain argument.
6703         * var-tracking.c (micro_operation): Move insn field before union.
6704         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6705         (struct variable_tracking_info_def): Remove n_mos field, change
6706         mos into a vector of micro_operations.
6707         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6708         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6709         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6710         changing into a vector.
6711         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
6712         come before all other uops generated by add_stores.
6713         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6714         argument removal.
6715         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
6716         a vector.  Run just one pass over the bbs instead of separate counting
6717         and computation phase.
6718         (vt_finalize): Free VTI (bb)->mos vector instead of array.
6720         PR debug/43329
6721         * tree-inline.c (remap_decls): Put old_var rather than origin_var
6722         into *nonlocalized_list vector.
6723         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6724         even if origin is non-NULL.
6725         (gen_variable_die): Likewise.
6726         (process_scope_var): Don't change origin.
6727         (gen_decl_die): Likewise.
6728         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6729         before adding new edges instead of after it, fix moving over
6730         debug stmts.
6732 2010-03-11  David S. Miller  <davem@davemloft.net>
6734         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6735         of four.
6736         * configure: Rebuild.
6738 2010-03-11  Martin Jambor  <mjambor@suse.cz>
6740         PR tree-optimization/43257
6741         * tree.c (assign_assembler_name_if_neeeded): New function.
6742         (free_lang_data_in_cgraph): Assembler name assignment moved to the
6743         above new function.
6744         * tree.h (assign_assembler_name_if_neeeded): Declare.
6745         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6746         the function if needed.
6748 2010-03-11  Chris Demetriou  <cgd@google.com>
6750         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6751         include/stdint-gcc.h, and include/stdint.h world-readable.
6753 2010-03-11  Richard Guenther  <rguenther@suse.de>
6755         PR tree-optimization/43255
6756         * tree-vrp.c (process_assert_insertions_for): Do not insert
6757         asserts for trivial conditions.
6759 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6761         PR tree-optimization/43280
6762         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6763         generation.  Move calculation of size out of the if branch.
6764         (find_bswap): Modify compare number generation.
6766 2010-03-11  Richard Guenther  <rguenther@suse.de>
6768         PR lto/43200
6769         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6770         (input_gimple_stmt): Fixup handled component types during
6771         operand read.  Also fix up decls in ADDR_EXPRs.
6773 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
6775         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6776         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6778 2010-03-10  Jan Hubicka  <jh@suse.cz>
6780         PR c/43288
6781         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6782         * varasm.c (get_variable_section): Don't do that here...
6783         (make_decl_rtl): ... and here.
6784         (do_assemble_alias): Produce decl RTL.
6785         (assemble_alias): Likewise.
6787 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
6789         PR debug/43290
6790         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6791         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6792         of fde->vdrap_reg.
6793         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6794         (based_loc_descr): Only express drap or vdrap regno based expressions
6795         using DW_OP_fbreg when not optimizing.
6796         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6797         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6798         REG_CFA_SET_VDRAP note.
6800 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
6802         PR tree-optimization/43236
6803         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6804         error in calculation of base address in reverse iteration case.
6805         (generate_builtin): Take number of latch executions if the statement
6806         is in the latch.
6808 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
6810         PR middle-end/42859
6811         * tree-eh.c: Include pointer-set.h.
6812         (lower_eh_dispatch): Filter out duplicate case labels and
6813         remove the unneeded edge when the label is unused.  Return
6814         true when some edges are removed.
6815         (execute_lower_eh_dispatch): When any lowering resulted in
6816         removing an edge, also delete unreachable blocks.
6818 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
6820         PR bootstrap/43287
6821         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6822         UNSPEC_MACHOPIC_OFFSET.
6824 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
6826         PR target/43294
6827         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6828         (m68k_delegitimize_address): New function.
6830 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
6832         PR debug/43299
6833         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6835         PR debug/43299
6836         * var-tracking.c (adjust_sets): New function.
6837         (count_with_sets, add_with_sets): Use it.
6838         (get_adjusted_src): New inline function.
6839         (add_stores): Use it.
6841         PR debug/43304
6842         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6843         call cselib_dummy_expand_value_rtx_cb instead of
6844         cselib_expand_value_rtx_cb.
6846         PR debug/43293
6847         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6848         * config/i386/i386.c: Include debug.h and dwarf2out.h.
6849         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6850         and .cfi_endproc around the pic thunks.
6851         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6852         all queued unwind info register saves are saved before the call.
6853         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6854         considered as sp-=4 for unwind info and the pop as sp+=4 which
6855         also clobbers dest, but doesn't actually restore it.
6857         PR debug/43290
6858         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6859         RTX_FRAME_RELATED_P.
6861 2010-03-09  Jie Zhang  <jie@codesourcery.com>
6863         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6864         whitespaces in output template.
6866 2010-03-09  Jie Zhang  <jie@codesourcery.com>
6868         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6869         out array boundary.
6871 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
6873         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6874         builtins.exp in a separate job.
6876 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6878         * graphite-sese-to-poly.c (add_param_constraints): Use
6879         lower_bound_in_type and upper_bound_in_type.
6881 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6883         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6884         instead of unsigned_type_node.
6886 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6887             Reza Yazdani  <reza.yazdani@amd.com>
6889         PR middle-end/43065
6890         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6891         on pointer type parameters.
6893 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6895         PR middle-end/42644
6896         PR middle-end/42130
6897         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6898         handle conversions from pointer to integers.
6899         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6900         induction variable, to be able to work with code generated by CLooG.
6901         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6902         (build_poly_scop): Bail out if we cannot codegen a loop.
6904 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6906         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6907         code generation with gloog_error.
6909 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6911         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6912         Call fold_convert on all the returned values.
6913         (expand_scalar_variables_expr): Pass to
6914         expand_scalar_variables_ssa_name the type of the resulting expression.
6916 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6918         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6919         ppl_min_for_le_pointset.
6920         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6921         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6923 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6925         * graphite-dependences.c (map_into_dep_poly): Removed.
6926         (dependence_polyhedron_1): Use combine_context_id_scat.
6928 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6930         * graphite-poly.h (struct poly_scattering): Add layout documentation.
6931         (struct poly_bb): Same.
6932         (combine_context_id_scat): New.
6934 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6936         PR middle-end/42326
6937         * sese.c (name_defined_in_loop_p): Return false for default
6938         definitions.
6940 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6942         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6943         and clean up the logic.
6945 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6947         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6948         early return.
6950 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
6952         * var-tracking.c (remove_cselib_value_chains): Define only for
6953         ENABLE_CHECKING.
6954         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6955         delete_slot_part, emit_notes_for_differences_1): Don't call
6956         remove_cselib_value_chains here.
6957         (set_slot_part, emit_notes_for_differences_2): Don't call
6958         add_cselib_value_chains here.
6959         (preserved_values): New vector.
6960         (preserve_value): New function.
6961         (add_uses, add_stores, vt_add_function_parameters): Use it
6962         instead of cselib_preserve_value.
6963         (changed_values_stack): New vector.
6964         (check_changed_vars_0): New function.
6965         (check_changed_vars_1, check_changed_vars_2): Use it.
6966         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6967         changed_values_stack VALUEs.
6968         (vt_emit_notes): For all preserved_values call
6969         add_cselib_value_chains.  If ENABLE_CHECKING call
6970         remove_cselib_value_chains before verifying value_chains is empty.
6971         Initialize and free changed_values_stack.
6972         (vt_initialize): Initialize preserved_values.
6973         (vt_finalize): Free preserved_values.
6975 2010-03-08  Richard Guenther  <rguenther@suse.de>
6977         PR tree-optimization/43269
6978         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6979         region detection.
6981 2010-03-08  Martin Jambor  <mjambor@suse.cz>
6983         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6984         (ipa_is_param_called): Removed.
6985         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6986         (ipa_print_node_params): Do not print the called flag.
6987         (ipa_write_node_info): Do not stream the called flag.
6988         (ipa_read_node_info): Likewise.
6990 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
6992         PR debug/43176
6993         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6994         * cselib.c (struct expand_value_data): Add dummy field.
6995         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6996         dummy to false.
6997         (cselib_dummy_expand_value_rtx_cb): New function.
6998         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6999         any rtl.
7000         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
7001         * var-tracking.c: Include pointer-set.h.
7002         (variable): Change n_var_parts to char from int.  Add
7003         cur_loc_changed and in_changed_variables fields.
7004         (variable_canonicalize): Remove.
7005         (shared_var_p): New inline function.
7006         (unshare_variable): Maintain cur_loc_changed and
7007         in_changed_variables fields.  If var was in changed_variables,
7008         replace it there with new_var.  Just copy cur_loc instead of
7009         resetting it to something else.
7010         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
7011         (dataflow_set_union): Don't call variable_canonicalize.
7012         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
7013         of their DEBUG_EXPR_TREE_DECLs.
7014         (canonicalize_loc_order_check): Verify that cur_loc is NULL
7015         and in_changed_variables and cur_loc_changed is false.
7016         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
7017         and cur_loc_changed.  Don't update cur_loc here.
7018         (variable_merge_over_src): Don't call variable_canonicalize.
7019         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
7020         removing loc that is equal to cur_loc, clear cur_loc,
7021         set cur_loc_changed and ensure variable_was_changed is called.
7022         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
7023         compare pointers in cur_loc check, if it is equal to loc,
7024         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
7025         (variable_different_p): Remove compare_current_location argument,
7026         don't compare cur_loc.
7027         (dataflow_set_different_1): Adjust variable_different_p caller.
7028         (variable_was_changed): If dv had some var in changed_variables
7029         already, reset in_changed_variables flag for it and propagate
7030         cur_loc_changed over to the new variable.  On empty var
7031         always set cur_loc_changed.  Set in_changed_variables on whatever
7032         var is added to changed_variables.
7033         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
7034         Use shared_var_p.  When removing loc that is equal to cur_loc,
7035         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
7036         end, don't set it to something else, just call variable_was_changed.
7037         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
7038         loc being removed, clear cur_loc and set cur_loc_changed.
7039         Set cur_loc_changed if all locations have been removed.
7040         (struct expand_loc_callback_data): New type.
7041         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
7042         allocated.  Always create SUBREGs if simplify_subreg failed.
7043         Prefer to use cur_loc, when that fails and still in
7044         changed_variables (and seen first time) recompute it.  Set
7045         cur_loc_changed of variables which had to change cur_loc and
7046         compute elcd->cur_loc_changed if any of the subexpressions used
7047         had to change cur_loc.
7048         (vt_expand_loc): Adjust to pass arguments in
7049         expand_loc_callback_data structure.
7050         (vt_expand_loc_dummy): New function.
7051         (emitted_notes): New variable.
7052         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
7053         that weren't used for any other decl in current
7054         emit_notes_for_changes call call vt_expand_loc_dummy to update
7055         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
7056         first loc_chain location if NULL before.  Always use just
7057         cur_loc instead of first loc_chain location.  When cur_loc_changed
7058         is false, when not --enable-checking=rtl just don't emit any note.
7059         When rtl checking, compute the note and assert it is the same
7060         as previous note.  Clear cur_loc_changed and in_changed_variables
7061         at the end before removing from changed_variables.
7062         (check_changed_vars_3): New function.
7063         (emit_notes_for_changes): Traverse changed_vars to call
7064         check_changed_vars_3 on each changed var.
7065         (emit_notes_for_differences_1): Clear cur_loc_changed and
7066         in_changed_variables.  Recompute cur_loc of new_var.
7067         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
7068         (vt_emit_notes): Initialize and destroy emitted_notes.
7070 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7072         PR rtl-optimization/42220
7073         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
7074         Use verify_reg_tracked to determine if we should use OP_OUT rather
7075         than OP_INOUT.
7076         (build_def_use): If we see an in-out operand for a register that we
7077         know nothing about, treat is an output if possible, fail the block if
7078         not.
7080 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
7082         PR debug/42897
7083         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
7084         permanently.
7086 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
7088         PR debug/42897
7089         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
7090         uses of relevant DEFs that are dead outside the loop too.
7092 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
7094         * var-tracking.c (dataflow_set_merge): Swap src and src2.
7095         Reverted:
7096         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
7097         PR debug/41371
7098         * var-tracking.c (values_to_unmark): New variable.
7099         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7100         values_to_unmark vector.  Moved body to...
7101         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
7102         instead queue it into values_to_unmark vector.
7103         (vt_find_locations): Free values_to_unmark vector.
7105 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
7107         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
7108         (site.exp): Export them when plugins are enabled.
7110 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
7112         PR middle-end/42326
7113         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
7114         that contain scevs.
7115         (chrec_fold_multiply): Same.
7117 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
7119         PR c/43248
7120         * c-decl.c (build_compound_literal): Return early if init is
7121         an error_mark_node.
7123 2010-03-04  Martin Jambor  <mjambor@suse.cz>
7125         PR tree-optimization/43164
7126         PR tree-optimization/43191
7127         * tree-sra.c (type_consists_of_records_p): Reject records with
7128         zero-size bit-fields at the end.
7130 2010-03-04  Mike Stump  <mikestump@comcast.net>
7132         * Makefile.in (TAGS): Remove *.y.
7134 2010-03-04  Richard Guenther  <rguenther@suse.de>
7136         PR tree-optimization/40761
7137         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
7138         in reverse order.
7139         (my_rev_post_order_compute): New function.
7140         (init_pre): Call it.
7142 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
7144         PR middle-end/43209
7145         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
7146         decrease the cost of an IV candidate when the cost is infinite.
7148 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7150         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
7151         Use '3DNow!' for the extension of that name, ensure normal space
7152         after the string.
7153         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
7155 2010-03-03  Jeff Law  <law@redhat.com>
7157         * PR middle-end/32693
7158         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
7159         than gen_rtx_SUBREG.
7160         (extract_bit_field_1): Likewise.
7162 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
7164         * doc/sourcebuild.texi (Test directives): Document that arguments
7165         include-opts and exclude-opts are now optional for dg-skip-if,
7166         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
7168 2010-03-03  Jason Merrill  <jason@redhat.com>
7170         PR c++/12909
7171         * cgraph.h (varpool_node): Add extra_name field.
7172         * varpool.c (varpool_extra_name_alias): New.
7173         (varpool_assemble_decl): Emit extra name aliases.
7174         (varpool_mark_needed_node): Look past an extra name alias.
7175         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
7176         * lto-streamer-in.c (lto_input_tree): Read it.
7177         * lto-streamer-out.c (output_unreferenced_globals): Write it.
7179 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
7181         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
7182         (sparc*-*-solaris2*): ...this.
7184 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
7186         PR debug/43229
7187         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
7188         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
7189         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
7190         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
7192         PR debug/43237
7193         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
7194         fallthrough to default handling, just with want_address 0 instead of 2.
7195         For single element lists, add_AT_loc directly, otherwise create an
7196         artificial variable DIE and stick location list to it.
7198         PR debug/43177
7199         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
7200         (VAL_EXPR_HAS_REVERSE): Define.
7201         (reverse_op): New function.
7202         (add_stores): For reversible operations add an extra MO_VAL_USE.
7204 2010-03-02  Jason Merrill  <jason@redhat.com>
7206         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
7208 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
7210         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
7211         (sparc64-*-linux*): Likewise.
7212         (sparc64-*-solaris2*): Include assembler files before linker ones.
7213         (sparc-*-solaris2*): Simplify and reorder to match previous case.
7214         * config/sparc/gas.h: Delete.
7215         * config/sparc/sol2-64.h: Add copyright notice.
7216         * config/sparc/sol2-gas-bi.h: Likewise.
7217         * config/sparc/sol2-gld.h: Likewise.
7218         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
7219         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
7220         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
7221         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
7222         (sparc_elf_asm_named_section): Rename into...
7223         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
7225 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
7227         * config/alpha/alpha.c (override_options): Fix -mtune error message.
7229 2010-03-02  Jeff Law  <law@redhat.com>
7231         PR middle-end/42431
7232         * reload1.c (rtx_p, substitute_stack): Declare.
7233         (substitute): Record addresses of changed rtxs.
7234         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
7235         Restore the original rtx when complete.
7236         (reload): Free subsitute_stack when complete.
7238 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
7240         * doc/gccint.texi (menu): Add Testsuites as a chapter.
7241         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
7242         new chapter.
7243         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
7244         LTO Testing, gcov Testing, profopt Testing, compat Testing,
7245         Torture Tests): Change from subsection to section.
7247 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
7248             Steven Bosscher  <steven@gcc.gnu.org>
7250         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
7251         instead of bb.
7253 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
7255         PR middle-end/42640
7256         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
7257         the assignment from the new induction variable to the assignment
7258         of the value from the original loop PHI function.
7260 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
7261             Daniel Jacobowitz  <dan@codesourcery.com>
7263         * doc/sourcebuild.texi (Test directives): Clarify options to
7264         dg-skip-if.
7266 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7268         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
7269         Disable cfi directives unless GCC and gas agree on using read-only
7270         .eh_frame sections for 64-bit.
7271         * configure: Regenerate.
7273 2010-03-01  Richard Guenther  <rguenther@suse.de>
7275         PR tree-optimization/43220
7276         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
7277         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
7279 2010-03-01  Richard Guenther  <rguenther@suse.de>
7280             Martin Jambor  <mjambor@suse.cz>
7282         PR middle-end/41250
7283         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
7284         gimplified parameters.
7286 2010-03-01  Christian Bruel  <christian.bruel@st.com>
7288         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
7290 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
7292         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
7294 2010-03-01  Richard Guenther  <rguenther@suse.de>
7296         PR middle-end/43213
7297         * expr.c (expand_assignment): Use the alias-oracle to tell
7298         if the rhs aliases the result decl.
7300 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7302         PR pch/14940
7303         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
7304         to sol_gt_pch_get_address.
7305         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
7306         64-bit, SPARC and x86.
7307         (sol_gt_pch_get_address): New function.
7309 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
7311         * toplev.h (inform_n, error_n): Declare.
7312         * diagnostic.c (inform_n, error_n): New function.
7314 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
7316         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
7317         has no rtl yet when processing local_decls, queue it and recheck
7318         if deferred stack allocation hasn't assigned it rtl.
7320 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7322         * config/sh/sh.c (unspec_bbr_uid): New.
7323         (gen_block_redirect): Use it instead of INSN_UID.
7324         (gen_far_branch): Likewise.
7326 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7328         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
7329         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
7331 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7333         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
7334         (Warning Options): -Wno-conversion-null is valid for
7335         Objective-C++ as well.
7336         * doc/tm.texi (Named Address Spaces): Likewise.
7337         * doc/plugins.texi (Plugins): Replace TABs with spaces.
7338         * doc/tree-ssa.texi (Tree SSA): Likewise.
7340 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7342         PR bootstrap/43202
7343         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
7344         by default.  Don't set the default arch for
7345         i[34567]86-*-darwin*|x86_64-*-darwin*.
7347 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7349         PR bootstrap/43202
7350         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
7351         default.  Set the default 32bit/64bit archs with $with_arch
7352         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
7354 2010-02-27  Richard Guenther  <rguenther@suse.de>
7356         PR tree-optimization/43186
7357         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
7358         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
7359         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
7360         unroller iterations.
7362 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7364         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
7365         required and i[34567]86-*-* targets don't support 64bit ISA.
7367 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7369         PR ada/43096
7370         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7371         the same alias set.
7373 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
7375         * config.gcc: Set the default arch at least to Prescott for
7376         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
7377         if SSE math is enabled.
7379 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7381         * diagnostic.c (diagnostic_initialize): Update.
7382         (diagnostic_report_diagnostic): Test inhibit_notes_p for
7383         informative notes.
7384         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
7385         (diagnostic_inhibit_notes): New.
7386         * toplev.c (process_options): inhibit notes with -fcompare-debug.
7388 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7390         PR c/20631
7391         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
7392         * doc/standards.texi: Likewise.
7393         * doc/extend.texi: Likewise.
7394         * doc/trouble.texi: Likewise.
7395         * doc/cppopts.texi: Likewise.
7396         * doc/install.texi: Likewise.
7397         * c.opt (std=c90,std=gnu90): New options.
7398         * c-opts.c (c_common_handle_option): Handle them.
7400 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7402         PR c/24577
7403         * c-decl.c (undeclared_variable): Use an informative note.
7405 2010-02-26  Richard Guenther  <rguenther@suse.de>
7407         PR tree-optimization/43186
7408         * gimple.h (gimple_fold): Remove.
7409         * gimple.c (gimple_fold): Remove.  Inline into single user ...
7410         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
7411         Try harder for conditions.
7413 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
7415         PR debug/43190
7416         * function.c (used_types_insert): Don't skip through named pointer
7417         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
7418         and it is different from the main variant's type.
7420 2010-02-26  Nick Clifton  <nickc@redhat.com>
7422         * config/rx/rx.md (sminsi3): Remove bogus alternative.
7424 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
7426         * config.gcc: Support --with-fpmath=sse for x86.
7428         * config/i386/ssemath.h: New.
7430         * doc/install.texi (--with-fpmath=sse): Documented.
7432 2010-02-26  Richard Guenther  <rguenther@suse.de>
7434         PR tree-optimization/43188
7435         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7436         vector types of over-aligned element type.
7438 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
7440         PR target/43175
7441         * config/i386/i386.c (expand_vec_perm_blend): Use correct
7442         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
7444 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
7446         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7448 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
7450         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7451         * var-tracking.c: Include diagnostic.h.
7452         (debug_dv): New function.
7453         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7455         PR debug/43160
7456         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7457         (add_value_chain, add_value_chains, remove_value_chain,
7458         remove_value_chains): Handle DEBUG_EXPRs.
7459         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7461         PR debug/43161
7462         * regcprop.c (struct queued_debug_insn_change): New type.
7463         (struct value_data_entry): Add debug_insn_changes field.
7464         (struct value_data): Add n_debug_insn_changes field.
7465         (debug_insn_changes_pool): New variable.
7466         (free_debug_insn_changes, apply_debug_insn_changes,
7467         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7468         (kill_value_one_regno): Call free_debug_insn_changes if needed.
7469         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7470         fields.
7471         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7472         changes for them.
7473         (copyprop_hardreg_forward_1): Don't call apply_change_group for
7474         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
7475         changes, call cprop_find_used_regs via note_stores.
7476         (copyprop_hardreg_forward): When copying vd from predecessor
7477         which has any queued DEBUG_INSN changes, make sure the pointers are
7478         cleared.  At the end call df_analyze and then if there are any
7479         DEBUG_INSN changes queued at the end of some basic block for still
7480         live registers, apply them.
7481         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7483 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
7485         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7486         (arm*-*-*): Ditto.
7488 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
7490         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7491         targets.  Set the default with_cpu/with_arch from arch/cpu.
7492         Allow x86-64 and native for with_cpu/with_arch.
7494 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
7496         * ebitmap.c: Change calls to verify_popcount with calls to
7497         sbitmap_verify_popcount.
7498         (ebitmap_clear_bit): Fixed map->cacheindex test and
7499         map>cache update when bit clearing results in an empty
7500         element.
7502 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
7504         PR target/43154
7505         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7506         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7507         and support both V2DF and V2DI modes.
7508         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7509         support both V2DF and V2DI modes.
7510         (general): Delete trailing whitespace from a few patterns.
7512         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7513         V2DF/V2DI interleave high/low builtins.
7515         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7516         new VSX builtins.
7518         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7519         interleave high/low functions.
7521 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
7523         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7524         #pragma extern_prefix.
7526 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
7528         PR debug/43166
7529         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7530         BLKmode, assert op0 is a MEM and just adjust its mode.
7532         PR debug/43165
7533         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7534         if bitpos isn't multiple of mode's bitsize.
7536 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7538         * c.opt (-ftemplate-depth=): New.
7539         (-ftemplate-depth-): Deprecate.
7540         * optc-gen.awk: Handle -ftemplate-depth=.
7541         * opth-gen.awk: Likewise.
7542         * c-opts.c (c_common_handle_option): Likewise.
7543         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7545 2010-02-24  Jason Merrill  <jason@redhat.com>
7547         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7549 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7551         * cfg.c (alloc_aux_for_block): Remove inline.
7552         (alloc_aux_for_edge): Likewise.
7554 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7556         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7558 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7560         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7561         * config/i386/sol2-gas.h: New file.
7562         * config.gcc (i[34567]86-*-solaris2*): Use it.
7564 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7566         PR c/43128
7567         * c-typeck.c (ep_convert_and_check): New.
7568         (build_conditional_expr): Use it.
7569         (build_binary_op): Likewise.
7571 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
7573         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7575         PR debug/43150
7576         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7577         bounds even for -O+.
7578         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7579         expr needs to have DECL_NAME set.
7581 2010-02-24  Nick Clifton  <nickc@redhat.com>
7583         * config/mep/mep.c: Include gimple.h.
7584         (mep_function_uses_sp): Delete unused function.
7585         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7586         parameters.  Use unsigned integers to count args.  Return a
7587         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
7589 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
7591         PR target/43107
7592         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7593         greater or equal to nelt instead of 2 * nelt.
7594         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7595         with nelt - 1.
7597 2010-02-23  Jason Merrill  <jason@redhat.com>
7599         PR debug/42800
7600         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7601         in cfun->local_decls even if they have register types.
7603         PR c++/42837
7604         * stor-layout.c (place_field): Don't warn about unnecessary
7605         DECL_PACKED if the type is packed.
7607 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
7609         PR target/43139
7610         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7611         GOTOFF relocs, even when the base reg isn't pic pointer.
7613 2010-02-23  Michael Matz  <matz@suse.de>
7615         PR debug/43077
7616         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7617         (expand_gimple_basic_block): Generate and use debug temps if there
7618         are debug uses left after the last real use of TERed ssa names.
7619         Unlink debug immediate uses when they are expanded.
7621 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7623         PR 43123
7624         * config/i386/i386.c (override_options): Reorganise to provide
7625         better error messages.
7627 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7629         PR middle-end/43083
7630         * graphite-scop-detection.c (create_single_exit_edge): Move
7631         the call to find_single_exit_edge to....
7632         (create_sese_edges): ...here.  Don't handle multiple edges
7633         exiting the function.
7634         (build_graphite_scops): Don't handle multiple edges
7635         exiting the function.
7637 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7639         PR middle-end/43097
7640         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7641         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7643 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7645         PR middle-end/43026
7646         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7648 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7650         PR c++/43126
7651         * c-typeck.c (convert_arguments): Print declaration location.
7652         * c-common.c (validate_nargs): Rename as
7653         builtin_function_validate_nargs.
7654         (check_builtin_function_arguments): Update.
7656 2010-02-22  Richard Guenther  <rguenther@suse.de>
7658         PR lto/43045
7659         * tree-inline.c (declare_return_variable): Use the type of
7660         the call stmt lhs if available.
7662 2010-02-22  Duncan Sands  <baldrick@free.fr>
7664         * passes.c (register_pass): Always consider all pass lists when
7665         ref_pass_instance_number is zero.
7667 2010-02-22  Richard Guenther  <rguenther@suse.de>
7669         PR tree-optimization/42749
7670         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7671         parameter.  Do arithmetic in the original type.
7672         (update_accumulator_with_ops): Likewise.
7673         (adjust_accumulator_values): Adjust.
7675 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7677         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7678         (QI to BLKmode splitter): New splitter.
7680 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7682         * config/i386/i386.c (initial_ix86_tune_features): Turn on
7683         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7685 2010-02-22  Richard Guenther  <rguenther@suse.de>
7687         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7689 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
7691         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7692         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7693         ($(T)crti.o, $(T)crtn.o): Remove rules.
7695 2010-02-21  Tobias Burnus  <burnus@net-b.de>
7697         PR fortran/35259
7698         * doc/invoke.texi (-fassociative-math): Document that this
7699         option is automatically enabled for Fortran.
7701 2010-02-20  David S. Miller  <davem@davemloft.net>
7703         * configure.ac: Test if linker and assembler properly support
7704         GOTDATA_OP relocations.
7705         * configure: Rebuild.
7706         * config.in: Likewise.
7707         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7708         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7709         (movsi_high_pic): Likewise.
7710         (movdi_lo_sum_pic): Likewise.
7711         (movdi_high_pic): Likewise.
7712         (movsi_pic_gotdata_op): New pattern.
7713         (movdi_pic_gotdata_op): Likewise.
7714         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7715         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7717 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
7719         PR target/43067
7720         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7721         attribute to ssemul.
7722         (xop_mulv2div2di3_high): Ditto.
7724 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7726         PR c++/35669
7727         * c.opt (Wconversion-null): New option.
7728         * doc/invoke.texi (Wconversion-null): Document.
7730 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7732         * common.opt (Wlarger-than-): Add Undocumented.
7734 2010-02-19  Mike Stump  <mikestump@comcast.net>
7736         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7738 2010-02-19  Jason Merrill  <jason@redhat.com>
7740         PR target/40332
7741         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7742         * configure: Likewise.
7744 2010-02-20  Alan Modra  <amodra@gmail.com>
7746         PR middle-end/42344
7747         * cgraph.h (cgraph_make_decl_local): Declare.
7748         * cgraph.c (cgraph_make_decl_local): New function.
7749         (cgraph_make_node_local): Use it.
7750         * cgraphunit.c (cgraph_function_versioning): Likewise.
7751         * ipa.c (function_and_variable_visibility): Likewise.
7753 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7755         PR bootstrap/43121
7756         * except.c (sjlj_emit_function_enter): Don't call
7757         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7758         directly.
7759         * rtl.h (add_reg_br_prob_note): Remove prototype.
7761 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7763         PR 41779
7764         * c-common.c (conversion_warning): Remove widening conversions
7765         before checking the conversion of integers to reals.
7767 2010-02-19  Mike Stump  <mikestump@comcast.net>
7769         PR middle-end/43125
7770         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7772         PR objc/43061
7773         * cgraphunit.c (process_function_and_variable_attributes): Check
7774         DECL_PRESERVE_P instead of looking up attribute "used".
7775         * ipa-pure-const.c (check_decl): Likewise.
7776         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7777         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7778         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7779         instead of attribute "used".
7780         * config/sol2-c.c (solaris_pragma_init): Likewise.
7781         (solaris_pragma_fini): Likewise.
7783 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7785         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7786         Use XCNEW instead of xcalloc.
7787         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7788         XNEW instead of xmalloc.
7789         (get_fields): Use XNEWVEC instead of xmalloc.
7791         PR debug/43084
7792         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7793         populate vars array.
7794         (create_new_general_access): For debug stmts just reset value.
7795         (get_stmt_accesses): For accesses within debug stmts just record them
7796         using add_access_to_acc_sites instead of preventing the peeling or
7797         counting them as accesses.
7799         PR middle-end/42233
7800         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7802 2010-02-19  Richard Guenther  <rguenther@suse.de>
7804         PR tree-optimization/42916
7805         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7806         instructions.
7808 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
7810         * configure.ac: Replace all uses of changequote in macro arguments
7811         with proper quoting.
7813 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7815         PR middle-end/42233
7816         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7818 2010-02-19  Richard Guenther  <rguenther@suse.de>
7820         PR tree-optimization/42944
7821         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7822         test for aliasing with errno.
7824 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7826         PR middle-end/42233
7827         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7828         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7829         * dojump.c: Include output.h.
7830         (inv): New inline function.
7831         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7832         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7833         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7834         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7835         argument, pass it down to other calls.
7836         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
7837         add REG_BR_PROB note to the conditional jump.
7838         * cfgexpand.c (add_reg_br_prob_note): Removed.
7839         (expand_gimple_cond): Don't call it, add the probability
7840         as last argument to jumpif_1/jumpifnot_1.
7841         * Makefile.in (dojump.o): Depend on output.h.
7842         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7843         callers.
7844         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7845         * stmt.c (do_jump_if_equal): Likewise.
7846         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7847         * loop-unswitch.c (compare_and_jump_seq): Likewise.
7848         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7849         Likewise.
7850         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7851         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7852         jumpifnot_1 callers.
7853         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7854         callers.
7855         (store_expr): Adjust jumpifnot caller.
7856         (store_constructor): Adjust jumpif caller.
7858         PR middle-end/42233
7859         * gimplify.c (gimple_boolify): For __builtin_expect call
7860         gimple_boolify also on its first argument.
7862 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
7864         * configure.ac (gnu-unique-object): Wrap regexps using [] in
7865         changequote block.
7866         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
7867         * configure: Regenerated.
7869 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7871         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7872         lang_hooks.types_compatible_p instead of comptypes.
7874 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
7876         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7877         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7878         if __prefer_thumb__ is defined.
7880 2010-02-18  Martin Jambor  <mjambor@suse.cz>
7882         PR tree-optimization/43066
7883         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7884         array with zero-sized element type.
7886 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
7888         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7889         rtx, allocate struct var_loc_node here and return it to the
7890         caller, and only if it is actually needed.
7891         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7892         move it earlier and return immediately if it returns NULL.
7894 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
7896         * config/sparc/gas.h: New file.  Restore
7897         TARGET_ASM_NAMED_SECTION to its ELF default.
7898         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7899         check !HAVE_GNU_AS.
7900         * config/sparc/sparc.c (sparc_elf_asm_named_section):
7901         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
7902         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7903         after sparc/sysv4.h.
7905 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
7907         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7909 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
7911         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7912         patterns from predicated pattern.
7914 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
7916         PR target/43103
7917         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7918         for insn mnemonic suffix.
7920 2010-02-17  Richard Guenther  <rguenther@suse.de>
7922         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7923         to loop PHI nodes.
7925 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
7927         PR debug/42918
7928         * caller-save.c (save_call_clobbered_regs): If BB ends with
7929         a DEBUG_INSN, move any notes in between last real insn and the last
7930         DEBUG_INSN after the last DEBUG_INSN.
7932 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
7934         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7935         Fix return type.  Fix argument type.  Explain meaning of return value.
7937 2010-02-16  Richard Guenther  <rguenther@suse.de>
7939         PR tree-optimization/41043
7940         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
7941         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7942         statements ...
7943         (vrp_visit_phi_node): ... but only for loop PHI nodes.
7945 2010-02-16  Ira Rosen  <irar@il.ibm.com>
7947         PR tree-optimization/43074
7948         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7949         * tree-vect-loop.c (vect_analyze_loop_operations): Add
7950         vectorizable cycles in hybrid SLP check.
7951         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7953 2010-02-16  Richard Guenther  <rguenther@suse.de>
7955         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7956         (true_dependence): If memrefs_conflict_p computes must-alias
7957         trust it.  Move TBAA check after offset-based disambiguation.
7958         (canon_true_dependence): Likewise.
7960 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
7962         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7963         * doc/invoke.texi: Document it.
7964         * var-tracking.c: Include toplev.h and params.h.
7965         (vt_find_locations): Return bool indicating success.  Compute
7966         hash sizes unconditionally.  Check new parameter, report.
7967         (variable_tracking_main_1): Check vt_find_locations results and
7968         retry.  Renamed from...
7969         (variable_tracking_main): ... this.  New wrapper to preserve
7970         flag_var_tracking_assignments.
7971         * Makefile.in (var-tracking.o): Adjust dependencies.
7973 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
7974             Jakub Jelinek <jakub@redhat.com>
7976         PR target/42854
7977         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7978         if weak_import attribute is present.
7979         * config/darwin.c (machopic_select_section): Likewise.
7981 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
7983         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7984         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7985         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7986         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7988         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7989         types.
7991         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7992         Fix argument types.
7994         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7995         Rewrite text to refer to the names.
7997 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
7999         * config/i386/i386-builtin-types.def
8000         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
8001         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
8002         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
8003         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
8004         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
8005         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
8006         IX86_BUILTIN_VPERMIL2PS256.
8007         (MULTI_ARG_4_DF2_DI_I): Defined.
8008         (MULTI_ARG_4_DF2_DI_I1): Defined.
8009         (MULTI_ARG_4_SF2_SI_I): Defined.
8010         (MULTI_ARG_4_SF2_SI_I1): Defined.
8011         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
8012         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
8013         __builtin_ia32_vpermil2ps256.
8014         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8015         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8016         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
8017         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8018         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8019         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
8020         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
8021         CODE_FOR_xop_vpermil2v8sf3.
8022         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
8023         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
8024         * config/i386/xopintrin.h (_mm_permute2_pd): New.
8025         (_mm256_permute2_pd): New.
8026         (_mm_permute2_ps): New.
8027         (_mm256_permute2_ps): New.
8029 2010-02-15  Nick Clifton  <nickc@redhat.com>
8031         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
8032         boolean parameters.  Use emit_jump_insn when emitting a pop
8033         instruction containing a return insn.
8034         (push): Use 'true' rather than '1' as second parameter to F.
8035         (h8300_expand_prologue): Likewise.
8036         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
8037         (h8300_expand_epilogue): Likewise.
8039 2010-02-15  Richard Guenther  <rguenther@suse.de>
8041         PR middle-end/43068
8042         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
8043         if that is zero.
8045 2010-02-15  Nick Clifton  <nickc@redhat.com>
8047         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
8048         delta.
8050 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
8052         * intl.c (fake_ngettext): New function.
8053         * intl.h (fake_ngettext): Declare.
8054         (ngettext): Define macro.
8055         * collect2.c (notice_translated): New function.
8056         (main): Use notice_translated and ngettext.
8057         * collect2.h (notice_translated): Declare.
8059 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
8061         * reorg.c (delete_computation): Comment fixes.
8062         * caller-save.c (setup_save_areas): Idem.
8063         * sel-sched-dump.c (dump_lv_set): Idem.
8064         * rtl.def: Idem.
8066 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8068         * config/s390/s390.c (s390_sched_init): New function.
8069         (TARGET_SCHED_INIT): Target hook defined.
8071 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
8072             Jack Howarth  <howarth@bromo.med.uc.edu>
8073             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8075         PR target/42982
8076         Partial revert of unintended change in fix for PR41605.
8077         * config/darwin.h: Fix typo.
8078         * config/darwin9.h: Same.
8080 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
8082         * c-pch.c (pch_init): Clear v.
8084 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8086         PR middle-end/42930
8087         * graphite-scop-detection.c (graphite_can_represent_scev): Call
8088         graphite_can_represent_init for MULT_EXPR.
8090 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8092         PR middle-end/42914
8093         PR middle-end/42530
8094         * graphite-sese-to-poly.c (remove_phi): New.
8095         (translate_scalar_reduction_to_array): Call remove_phi.
8097 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8099         PR middle-end/42771
8100         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
8101         * graphite-clast-to-gimple.h (gloog): Update declaration.
8102         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
8103         * graphite-poly.h (struct poly_bb): Add missing comments.
8104         (struct scop): Add poly_scop_p field.
8105         (POLY_SCOP_P): New.
8106         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
8107         * graphite.c (graphite_transform_loops): Build the polyhedral
8108         representation for each scop before code generation.
8109         * sese.c (rename_variables_in_operand): Removed.
8110         (rename_variables_in_expr): Return the renamed expression.
8111         (rename_sese_parameters): New.
8112         * sese.h (rename_sese_parameters): Declared.
8114 2010-02-11  Richard Guenther  <rguenther@suse.de>
8116         PR tree-optimization/42998
8117         * tree-ssa-pre.c (create_expression_by_pieces): Treat
8118         POINTER_PLUS_EXPR properly.
8120 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8121             Changpeng Fang  <changpeng.fang@amd.com>
8123         PR middle-end/40886
8124         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
8125         the cost of an IV candidate when the IV is used in a test against zero.
8127         * gcc.dg/tree-ssa/ivopts-3.c: New.
8129 2010-02-11  Richard Guenther  <rguenther@suse.de>
8131         PR lto/41664
8132         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
8133         pointer-vs-decl case by swapping refs.  Handle some cases
8134         of pointer-vs-decl disambiguations more conservatively.
8135         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
8136         to false after expanding.
8138 2010-02-11  Richard Guenther  <rguenther@suse.de>
8140         PR driver/43021
8141         * gcc.c (process_command): Handle LTO file@offset case more
8142         appropriately.
8144 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
8146         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
8147         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
8148         of DEBUG_INSNs.
8149         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
8151         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
8152         if MEM's mode size isn't DWARF2_ADDR_SIZE.
8153         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
8154         Optimize eq/ne comparisons when both arguments are known to be
8155         zero-extended.
8156         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
8157         Don't mask operands unnecessarily if they are known to be already
8158         zero-extended.
8160 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
8162         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
8163         instead of loop.
8165 2010-02-10  Richard Guenther  <rguenther@suse.de>
8167         PR tree-optimization/43017
8168         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
8169         for wrapping signed arithmetic.
8171 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
8173         PR debug/43010
8174         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
8175         if no debug info should be emitted for it.
8177 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8179         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
8180         note when flag_exceptions is set.
8182 2010-02-10  Duncan Sands  <baldrick@free.fr>
8184         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
8186 2010-02-10  Richard Guenther  <rguenther@suse.de>
8188         PR c/43007
8189         * tree.c (get_unwidened): Handle constants.
8190         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
8192 2010-02-10  Martin Jambor  <mjambor@suse.cz>
8194         PR lto/42985
8195         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
8196         check for variable argument counts independently.
8198 2010-02-10  Christian Bruel  <christian.bruel@st.com>
8200         PR target/42841
8201         * config/sh/sh.c (find_barrier): Increase length for non delayed
8202         conditional branches.
8204 2010-02-10  Christian Bruel  <christian.bruel@st.com>
8206         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
8208 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
8210         * builtins.c (set_builtin_user_assembler_name): Also handle
8211         ffs if int is smaller than word.
8213 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
8215         PR middle-end/42973
8216         * ira-conflicts.c (get_dup): Remove.
8217         (process_reg_shuffles): Add new parameter.  Use it as an
8218         additional guard for copy generation.
8219         (add_insn_allocno_copies): Rewrite.
8221 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
8223         * common.opt (fsched2-use-traces): Preserved for backward
8224         compatibility.
8225         * doc/invoke.texi: Remove the documentation about option
8226         -fsched2-use-traces.
8227         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
8228         flag_sched2_use_traces.
8229         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
8230         the backward compatibility flag section.
8232 2010-02-09  Richard Guenther  <rguenther@suse.de>
8234         PR tree-optimization/43008
8235         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
8236         make HEAP variables initialized from global memory if they
8237         are not known builtin functions.
8238         (find_func_aliases): Adjust.
8240 2010-02-09  Richard Guenther  <rguenther@suse.de>
8242         PR tree-optimization/43000
8243         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
8244         arithmetic manually.
8246 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
8248         PR tree-optimization/42931
8249         * tree-loop-linear.c (try_interchange_loops): Don't call
8250         double_int_mul if estimated_loop_iterations failed.
8252 2010-02-08  Martin Jambor  <mjambor@suse.cz>
8254         PR middle-end/42898
8255         * tree-sra.c (build_accesses_from_assign): Do not mark in
8256         should_scalarize_away_bitmap if stmt has volatile ops.
8257         (sra_modify_assign): Do not process assigns piecemeal if if stmt
8258         has volatile ops.
8260 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
8262         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
8264 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
8266         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
8267         before the pattern.
8269 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
8271         PR middle-end/42946
8272         * df-core.c (df_finish_pass): Change type of saved_flags to int.
8274 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
8276         PR middle-end/42988
8277         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
8278         to unknown_dependence.
8279         (graphite_legal_transform_dr): Handle the unknown_dependence.
8280         (graphite_carried_dependence_level_k): Same.
8282 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
8284         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
8286 2010-02-07  Richard Guenther  <rguenther@suse.de>
8288         PR middle-end/42991
8289         * expr.c (get_inner_reference): Always initialize *pbitsize.
8291 2010-02-07  Richard Guenther  <rguenther@suse.de>
8293         PR middle-end/42956
8294         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
8295         new ARRAY_REFs on variable size element or minimal index arrays.
8296         Complete.
8297         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
8298         gimple_fold_indirect_ref.
8300 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
8302         PR target/42957
8303         * arm.c (arm_override_options): Just return if the user has specified
8304         an invalid fpu name.
8306 2010-02-03  Jason Merrill  <jason@redhat.com>
8308         PR c++/42870
8309         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
8310         i386_pe_maybe_record_exported_symbol.
8312 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
8314         PR target/42924
8315         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8316         (pa_delegitimize_address): New function.
8318 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
8320         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
8321         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
8323 2010-02-05  Richard Guenther  <rguenther@suse.de>
8325         PR lto/42762
8326         * lto-streamer-in.c (get_resolution): Deal with references
8327         to undefined functions.
8329 2010-02-05  Richard Guenther  <rguenther@suse.de>
8331         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
8332         (fold_const_aggregate_ref): Likewise.
8333         (ccp_fold_stmt): Substitute loads.
8334         (maybe_fold_reference): Verify types before substituting.
8335         Unshare properly.
8336         (fold_gimple_assign): Unshare properly.
8337         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
8339 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
8341         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
8342         for rs6000_gen_cell_microcode.
8344 2010-02-04  Richard Guenther  <rguenther@suse.de>
8346         PR rtl-optimization/42952
8347         * dse.c (const_or_frame_p): Remove MEM handling.
8349 2010-02-04  Nick Clifton  <nickc@redhat.com>
8351         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
8352         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
8353         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
8354         (mn10300_asm_output_mi_thunk): New function.
8355         (mn10300_can_output_mu_thunk): New function.
8356         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
8357         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
8358         (FUNCTION_ARG): Delete incorrect comment.
8360 2010-02-03  Jason Merrill  <jason@redhat.com>
8362         PR c++/40138
8363         * fold-const.c (operand_equal_p): Handle erroneous types.
8365 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
8367         * config/h8300/h8300.md (can_delay): Fix attibute condition.
8369 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
8371         PR rtl-optimization/42941
8372         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
8373         of xmalloc.
8375 2010-02-03  Jason Merrill  <jason@redhat.com>
8377         PR c++/35652
8378         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
8380 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
8382         PR debug/42896
8383         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
8384         (cselib_reset_table): Renamed from...
8385         (cselib_reset_table_with_next_value): ... this.
8386         (cselib_get_next_uid): Renamed from...
8387         (cselib_get_next_unknown_value): ... this.
8388         * cselib.c (next_uid): Renamed from...
8389         (next_unknown_value): ... this.
8390         (cselib_clear_table): Adjust.
8391         (cselib_reset_table): Adjust.  Renamed from...
8392         (cselib_reset_table_with_next_value): ... this.
8393         (cselib_get_next_uid): Adjust.  Renamed from...
8394         (cselib_get_next_unknown_value): ... this.
8395         (get_value_hash): Use hash.
8396         (cselib_hash_rtx): Likewise.
8397         (new_cselib_val): Adjust.  Set and dump uid.
8398         (cselib_lookup_mem): Pass next_uid as hash.
8399         (cselib_subst_to_values): Likewise.
8400         (cselib_log_lookup): Dump uid.
8401         (cselib_lookup): Pass next_uid as hash.  Adjust.
8402         (cselib_process_insn): Adjust.
8403         (cselib_init): Initialize next_uid.
8404         (cselib_finish): Adjust.
8405         (dump_cselib_table): Likewise.
8406         * dse.c (canon_address): Dump value uid.
8407         * print-rtl.c (print_rtx): Print value uid.
8408         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
8409         (dvuid): New type.
8410         (dv_uid): New function, sort of renamed from...
8411         (dv_htab_hash): ... this, reimplemented in terms of it and...
8412         (dv_uid2hash): ... this.  New.
8413         (variable_htab_eq): Drop excess assertions.
8414         (tie_break_pointers): Removed.
8415         (canon_value_cmp): Compare uids.
8416         (variable_post_merge_New_vals): Print uids.
8417         (vt_add_function_parameters): Adjust.
8418         (vt_initialize): Reset table.  Adjust.
8420 2010-02-03  Richard Guenther  <rguenther@suse.de>
8422         PR tree-optimization/42944
8423         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
8424         (call_may_clobber_ref_p_1): Likewise.  Properly handle
8425         malloc and calloc clobbering errno.
8427 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
8429         * doc/invoke.texi: Fix name of sched1 dump.
8431         * opts.c (decode_options): Set flag_tree_switch_conversion
8432         only conditionally on optimize >= 2.
8434         * gcse.c: Assorted comment fixes in pass description.
8436 2010-02-03  Anthony Green  <green@moxielogic.com>
8438         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8439         nop padding in order to maintain alignment of storage location of
8440         target function address.
8441         (moxie_trampoline_init): Store target function address at newly
8442         aligned location.
8443         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8444         to 32.
8445         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8447 2010-02-03  Richard Guenther  <rguenther@suse.de>
8449         PR middle-end/42927
8450         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8452 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8454         * config.gcc: Reenable check for obsolete targets.
8455         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8456         mips-sgi-irix6.[0-4]*.
8458 2010-02-02  Nick Clifton  <nickc@redhat.com>
8460         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8461         constant size of 4 as being the same as 0.
8462         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8463         can take values in the range 0..4.
8465 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
8467         PR java/41991
8468         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8469         as _darwin10_Unwind_FindEnclosingFunction().
8470         * libgcc-libsystem.ver: New.
8472 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
8474         PR target/41399
8475         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8476         implicitly set registers.
8478 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
8480         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8481         (arm_override_options): Allow automatic selection of the thread
8482         pointer register if thumb2.
8483         (legitimize_pic_address): Improve code sequences for Thumb2.
8484         (arm_call_tls_get_addr): Likewise.
8485         (legitimize_tls_address): Likewise.
8486         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
8487         (pic_load_addr_32bit): ... this.  New named pattern.
8488         * thumb2.md (pic_load_addr_thumb2): Delete.
8489         (pic_load_dot_plus_four): Delete.
8490         (tls_load_dot_plus_four): New named pattern.
8492 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8494         PR libgomp/29986
8495         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8496         Document fix for TLS bug.
8498 2010-01-31  Richard Guenther  <rguenther@suse.de>
8500         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8501         conservatively correct.
8503 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8505         PR target/42850
8506         Revert:
8507         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8509         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8511 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8513         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8515 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
8517         * config.gcc: Adjust order of makefile fragments for mingw targets.
8519 2010-01-31  Richard Guenther  <rguenther@suse.de>
8521         PR middle-end/42898
8522         * gimplify.c (gimplify_init_constructor): For volatile LHS
8523         initialize a temporary.
8525 2010-01-31  Matthias Klose  <doko@ubuntu.com>
8527         * configure.ac: Fix __stack_chk_fail check for cross builds configured
8528         --with-headers
8529         * configure: Regenerate.
8531 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
8533         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8534         the same alias set and their sizes different constantness.
8535         (aliasing_component_refs_p): Revert 2009-10-24 change.
8537 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8539         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8540         unused.
8542 2010-01-29  Richard Guenther  <rguenther@suse.de>
8544         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8545         Assert we successfully updated the call.
8547 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
8549         PR rtl-optimization/42889
8550         * df.h (df_set_bb_dirty_nonlr): New prototype.
8551         * df-core.c (df_set_bb_dirty_nonlr): New function.
8552         * df-scan.c (df_insn_rescan): Call it instead of
8553         df_set_bb_dirty for DEBUG_INSNs.
8555 2010-01-29  Richard Guenther  <rguenther@suse.de>
8557         PR middle-end/37448
8558         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8559         quadratic behavior in most cases.
8561 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
8563         PR target/42891
8564         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8565         in the call to gen_x86_movsicc_0_m1.
8567 2010-01-28  Richard Guenther  <rguenther@suse.de>
8569         PR tree-optimization/42871
8570         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8572 2010-01-28  Richard Guenther  <rguenther@suse.de>
8574         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8575         into call arguments.
8577 2010-01-28  Richard Guenther  <rguenther@suse.de>
8579         PR middle-end/42883
8580         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8581         the forwarder if the destination is an EH landing pad.
8583 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
8585         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8586         block list passed to gimple_duplicate_sese_tail.
8587         (parallelize_loops): Avoid parallelization when the function
8588         has_nonlocal_label.
8589         Avoid parallelization when the preheader is IRREDUCIBLE.
8590         Try to optimize when estimated_loop_iterations_int is unresolved.
8591         Add the loop's location to the dump file.
8592         * tree-cfg.c (add_phi_args_after_redirect): Remove.
8593         (gimple_duplicate_sese_tail): Remove the check for the latch.
8594         Redirect nexits to the exit block.
8595         Remove handling of the incoming edges to the latch.
8596         Redirect the backedge from the copied latch to the exit bb.
8598 2010-01-28  Michael Matz  <matz@suse.de>
8600         PR target/42881
8601         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8602         Wrap force_reg into a sequence, emit it before user.
8604 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
8606         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8607         (arm_rev): New.
8608         (arm_legacy_rev): Likewise.
8609         (thumb_legacy_rev): Likewise.
8611 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
8613         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8614         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
8615         on MEM's address failed, try avoid_constant_pool_reference and
8616         recurse if it returned something different.
8617         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8618         address, try avoid_constant_pool_reference and recurse if it
8619         returned something different.
8620         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8621         address and avoid_constant_pool_reference returned something
8622         different, don't set have_address.
8624 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
8626         PR debug/42861
8627         * var-tracking.c (val_store): Add modified argument, obey it.
8628         Adjust callers.
8629         (count_uses): Move down logging of main.
8630         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8631         don't need resolution.
8632         (emit_notes_in_bb): Likewise.
8634 2010-01-27  Richard Guenther  <rguenther@suse.de>
8636         PR middle-end/42878
8637         * tree-inline.c (remap_decl): Delay remapping of SSA name
8638         default definitions until we need them.
8640 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
8642         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8643         (rs6000_delegitimize_address): New function.
8645         * config/s390/s390.c (s390_delegitimize_address): Call
8646         delegitimize_mem_from_attrs.
8648         PR middle-end/42874
8649         * tree-inline.c (cannot_copy_type_1): Removed.
8650         (copy_forbidden): Don't forbid copying of functions containing
8651         records/unions with variable length fields.
8653 2010-01-27  Christian Bruel  <christian.bruel@st.com>
8655         Revert:
8656         PR target/42841
8657         * config/sh/sh.c (find_barrier): Increase length for non delayed
8658         conditional branches.
8660 2010-01-27  Matthias Klose  <doko@ubuntu.com>
8662         * configure.ac (gnu-unique-object): Fix ldd version check.
8663         * configure: Regenerate.
8665 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8667         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8668         HAVE_GNU_AS value.
8669         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8670         Test for HAVE_GNU_AS value.
8672 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8674         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8675         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8676         INT64_TYPE): Define.
8677         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8678         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8679         INT_LEAST64_TYPE): Define.
8680         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8681         UINT_LEAST64_TYPE): Define.
8682         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8683         INT_FAST64_TYPE): Define.
8684         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8685         UINT_FAST64_TYPE): Define.
8686         (INTMAX_TYPE, UINTMAX_TYPE): Define.
8687         (INTPTR_TYPE, UINTPTR_TYPE): Define.
8688         (SIG_ATOMIC_TYPE): Define.
8690 2010-01-26  Richard Guenther  <rguenther@suse.de>
8692         * df-scan.c (df_scan_set_bb_info): Remove assert.
8693         (df_insn_rescan_debug_internal): Merge asserts.
8694         (df_install_ref): Likewise.
8695         (df_mark_reg): Use bitmap_set_range.
8696         (df_hard_reg_used_p): Remove assert.
8697         (df_hard_reg_used_count): Likewise.
8699 2010-01-26  Richard Guenther  <rguenther@suse.de>
8701         PR rtl-optimization/42685
8702         * web.c (web_main): Ignore DEBUG_INSNs.
8704 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
8706         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8708         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8709         Fix types of fndecl and arglist parameters.
8711 2010-01-26  Richard Guenther  <rguenther@suse.de>
8713         PR middle-end/42806
8714         * tree-eh.c (unsplit_eh): Skip debug insns.
8716 2010-01-26  Richard Guenther  <rguenther@suse.de>
8718         PR tree-optimization/42250
8719         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8721 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
8723         PR fortran/42866
8724         * omp-low.c (expand_omp_sections): Only use single_pred if
8725         l2_bb is single_pred_p.
8727 2010-01-25  Christian Bruel  <christian.bruel@st.com>
8729         PR target/42841
8730         * config/sh/sh.c (find_barrier): Increase length for non delayed
8731         conditional branches.
8732         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8734 2010-01-24  David S. Miller  <davem@davemloft.net>
8736         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8737         define if not using GAS.
8738         * config/sparc/sparc.c (sparc_elf_asm_named_section):
8739         Likewise.  Delete SECTION_MERGE code, which is only applicable
8740         when using GAS.
8742 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
8744         PR c++/42748
8745         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8746         mangling of va_list in system headers.
8748 2010-01-23  Toon Moene  <toon@moene.org>
8750         * tree-predcom.c (combine_chains): Return NULL, not false.
8752 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
8754         * tree-loop-distribution.c (distribute_loop): Fix declaration and
8755         initialization of variable res to agree with return type.
8757 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
8759         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8760         * tree-sra.c: Add include of expr.h.
8762 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
8764         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8765         insert the debug stmt on the single non-EH edge from the stmt.
8767 2010-01-22  Richard Henderson  <rth@redhat.com>
8769         PR tree-opt/42833
8770         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8771         the RHS until after generate_subtree_copies has insertted its
8772         code before the current statement.
8774 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
8776         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8778         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8780 2010-01-21  Martin Jambor  <mjambor@suse.cz>
8782         PR tree-optimization/42585
8783         * tree-sra.c (struct access): New field grp_total_scalarization.
8784         (dump_access): Dump the new field.
8785         (should_scalarize_away_bitmap): New variable.
8786         (cannot_scalarize_away_bitmap): Likewise.
8787         (sra_initialize): Allocate new bitmaps.
8788         (sra_deinitialize): Free new bitmaps.
8789         (create_access_1): New function.
8790         (create_access): Parts moved to create_access_1.
8791         (type_consists_of_records_p): New function.
8792         (completely_scalarize_record): Likewise.
8793         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8794         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8795         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8796         access.
8797         (analyze_all_variable_accesses): Completely scalarize small eligible
8798         records.
8800 2010-01-21  Martin Jambor  <mjambor@suse.cz>
8802         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8804 2010-01-21  Andrew Haley  <aph@redhat.com>
8806         * gcc.c (process_command): Move lang_specific_driver before
8807         setting cc_libexec_prefix.
8809 2010-01-21  Richard Guenther  <rguenther@suse.de>
8811         PR middle-end/19988
8812         * fold-const.c (negate_expr_p): Pretend only negative
8813         real constants are easily negatable.
8815 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
8816             Jason Merrill  <jason@redhat.com>
8818         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8819         (TYPE_TRANSPARENT_AGGR): this, for union and record.
8820         * calls.c (initialize argument_information): Handle it.
8821         * c-common.c (handle_transparent_union_attribute): Use new name.
8822         * c-decl.c (finish_struct): Ditto.
8823         * c-typeck.c (type_lists_compatible_p): Ditto.
8824         (convert_for_assignment): Use new name and also handle record.
8825         * function.c (aggregate_value_p): Handle it.
8826         (pass_by_reference): Ditto.
8827         (assign_parm_data_types): Ditto.
8828         * print-tree.c (print_node): Ditto.
8829         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8830         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8831         * tree.c (first_field): New fn.
8833 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
8835         PR target/42818
8836         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8837         even when linking statically, for now.
8839 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
8841         PR debug/42715
8842         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8843         without a cselib val.
8844         (count_uses): Accept MO_VAL_SET with no val on stores.
8845         (add_stores): Likewise.
8847 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8849         * var-tracking.c (check_value_val): Add a compile time assertion.
8850         (dv_is_decl_p): Simplify.
8851         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8852         gcc_assert if ENABLE_CHECKING.
8854 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
8856         PR debug/42782
8857         * var-tracking.c: Include tree-flow.h.
8858         (mem_dies_at_call): New.
8859         (dataflow_set_preserve_mem_locs): Use it.
8860         (dataflow_set_remove_mem_locs): Likewise.
8861         (dump_var): Renamed from dump_variable.  Adjust all callers.
8862         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
8863         * Makefile.in (var-tracking.o): Adjust deps.
8865 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
8867         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8869 2010-01-20  Richard Guenther  <rguenther@suse.de>
8871         PR tree-optimization/42717
8872         * tree-ssa-dce.c (get_live_post_dom): Remove.
8873         (forward_edge_to_pdom): Take an arbitrary edge to copy
8874         degenerate PHI args from.
8875         (remove_dead_stmt): Use the first post-dominator even if it
8876         does not contain live statements as redirection destination.
8878 2010-01-20  Richard Guenther  <rguenther@suse.de>
8880         * tree-inline.c (estimate_num_insns): Handle EH builtins.
8882 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8884         * sel-sched.c (create_speculation_check): Remove set but not used
8885         variable twin.
8886         (try_transformation_cache): Remove set but not used variable ds.
8887         (calculate_privileged_insns): Remove set but not used variables
8888         cur_insn and min_spec_insn.
8889         (find_best_expr): Remove set but not used variable avail_n.
8890         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8891         variable e.
8892         * cgraphunit.c (assemble_thunk): Remove set but not used variable
8893         false_label.
8894         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8895         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8896         new_scop_exit_edge.
8898 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
8900         PR bootstrap/42786
8901         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8902         cpu types.  Add support for *-sse3 cpu types.
8903         (x86_64-*-*): Ditto.
8905 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8907         PR middle-end/42803
8908         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8909         argument, call initializer_constant_valid_p_1 instead of
8910         initializer_constant_valid_p, pass CACHE to it, return NULL
8911         immediately if first call returns NULL.
8912         (initializer_constant_valid_p_1): New function.
8913         (initializer_constant_valid_p): Use it.
8915 2010-01-20  Thomas Quinot  <quinot@adacore.com>
8917         * tree.def (PLACEHOLDER_EXPR): Fix comment.
8919 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8921         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8922         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8923         (loc_list_from_tree): Don't handle unsigned division.  Handle
8924         signed modulo using DW_OP_{over,over,div,mul,minus}.
8925         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8926         modulo instead of signed.
8928 2010-01-20  DJ Delorie  <dj@redhat.com>
8930         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8931         (Fpa): Pass it
8932         (h8300_emit_stack_adjustment): Propogate it.
8933         (push): Pass it.
8934         (h8300_expand_prologue): Likewise.
8935         (h8300_expand_epilogue): Likewise.
8937 2010-01-19  Michael Matz  <matz@suse.de>
8939         PR tree-optimization/41783
8940         * tree-data-ref.c (toplevel): Include flags.h.
8941         (dump_data_dependence_relation):  Also dump the inputs if the
8942         result will be unknown.
8943         (split_constant_offset_1): Look through some conversions.
8944         * tree-predcom.c (determine_roots_comp): Restart a new chain if
8945         the offset from last element is too large.
8946         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8947         (reassociate_to_the_same_stmt): Handle vector registers.
8948         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8949         (e.g. conversions).
8950         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8951         wide_prolog_niters argument, emit widening instructions.
8952         (vect_do_peeling_for_alignment): Adjust caller, use widened
8953         variant of the iteration cound.
8954         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8956 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8958         PR target/38697
8959         * config/arm/neon-testgen.m (emit_automatics): New parameter
8960         features. Adjust for Fixed_return_reg feature.
8961         (test_intrinsic): Call emit_automatics with new feature.
8962         * config/arm/neon.ml: Update copyright years.
8963         (features): New Fixed_return_reg feature.
8964         (ops): Update feature for Vget_low.
8966 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
8968         PR tree-optimization/42719
8969         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8970         stmt uses.
8972         PR debug/42728
8973         * fwprop.c (all_uses_available_at): Return false if def_set dest
8974         is a REG that is used in def_insn.
8976 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
8978         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8980         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8981         Add argument names.
8983         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8985         * target.h (struct gcc_target) <secondary_reload>: Change type
8986         of last argument to secondary_reload_info *.
8988 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
8990         PR target/42774
8991         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8992         memory references with unaligned offsets.  Remove CQImode handling.
8993         (unaligned_memory_operand): Return 1 for memory references with
8994         unaligned offsets.  Remove CQImode handling.
8996 2010-01-18  Richard Guenther  <rguenther@suse.de>
8998         PR middle-end/39954
8999         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
9000         builtin calls.
9002 2010-01-18  Richard Guenther  <rguenther@suse.de>
9004         PR tree-optimization/42781
9005         * tree-ssa-structalias.c (find_what_var_points_to): Skip
9006         restrict processing only if the original variable was artificial.
9008 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
9010         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
9011         find number of popped argument bytes.
9013         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
9014         Fix the text that describes the return value for invalid insns.
9016         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
9018         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
9019         Clarify what 'cost of the -dependence' is.  Fix quoting.
9021         * toplev.c (default_get_pch_validity): Rename argument to "sz".
9022         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
9024 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
9026         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
9027         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
9029 2010-01-17  Richard Guenther  <rguenther@suse.de>
9031         PR middle-end/42248
9032         * function.c (split_complex_args): Take a VEC to modify.
9033         (assign_parms_augmented_arg_list): Build a VEC instead of
9034         a chain of PARM_DECLs.
9035         (assign_parms_unsplit_complex): Take a VEC of arguments.
9036         Do not fixup unmodified parms.
9037         (assign_parms): Deal with the VEC.
9038         (gimplify_parameters): Likewise.
9040 2010-01-17  Richard Guenther  <rguenther@suse.de>
9042         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
9043         node existence check.
9044         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
9045         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
9046         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9047         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
9048         (gimple_execute_on_growing_pred): Likewise.
9050 2010-01-17  Richard Guenther  <rguenther@suse.de>
9052         PR tree-optimization/42773
9053         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
9054         (compute_antic_aux): Likewise.
9055         (compute_partial_antic_aux): Likewise.
9057 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
9059         PR debug/42767
9060         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
9061         and US_TRUNCATE.
9063 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
9065         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
9066         appearance.
9068         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
9069         Fix markup for strict argument.
9071         (TARGET_SCHED_REORDER2): Fix argument types.
9073         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
9074         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
9076         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
9077         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
9079         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
9080         Add argument name.
9082         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
9083         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
9084         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
9085         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
9086         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
9088         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
9090         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
9092         (TARGET_ASM_RELOC_RW_MASK): Add return type.
9093         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
9095         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
9097         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
9098         Use prototype.
9100         (TARGET_ASM_NAMED_SECTION): Fix argument list.
9102         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
9103         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
9105         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
9107         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
9109         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
9110         referring to it.  Fix language.
9112         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
9114         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
9116         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
9118         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
9120         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
9121         '@var{stream}.  Remove stray 'and'.
9123         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
9125         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
9127         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
9129         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
9130         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
9132         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
9133         Fix description of return value.
9134         Rename argument "sz" to "len."
9136         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
9137         Clarify meaning of 'true' return value.
9139         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
9141         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
9142         rep_mode versus mode_rep.
9144         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
9146         (TARGET_BUILTIN_DECL): Fix name.
9148         (TARGET_COMMUTATIVE_P): Fix type of first argument.
9150         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
9152         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
9154         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
9156         (TARGET_RELAXED_ORDERING): Use @deftypevr.
9158         (TARGET_GET_DRAP_RTX): Note that this is a hook.
9159         Clarify language.
9161         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
9162         Rename argument tm_fn to md_fn.
9164         (TARGET_OPTION_PRINT): Fix argument list.
9166 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
9168         PR target/42664
9169         * config/i386/i386.c (ix86_fixup_binary_operands):
9170         Revert FMA4 fixup of operands.
9172 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9174         PR gcc/42525
9175         * Makefile.in (write_entries_to_file, install-plugin):
9176         Use \012 instead of \n with tr.
9178 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
9180         * configure.ac (HAVE_AS_REF): New C macro.
9181         * configure: Regenerate.
9182         * config.in: Likewise.
9183         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
9184         if HAVE_AS_REF.
9185         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
9186         if HAVE_AS_REF.
9188 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
9190         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
9192         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
9194         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
9196         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
9198         (TARGET_IN_SMALL_DATA_P): Fix argument type.
9200         (TARGET_BINDS_LOCAL_P): Fix argument type.
9202         (TARGET_ASM_FILE_END): Use prototype.
9204         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
9206         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
9208         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
9210         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
9212         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
9213         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
9215         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
9216         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
9218         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
9219         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
9220         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
9221         (TARGET_ADDR_SPACE_CONVERT): Likewise.
9223         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
9225         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
9227         (TARGET_INIT_BUILTINS): Use prototype.
9229         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9230         Put 'const char *' in braces.  Fix parameter types.
9231         (TARGET_INVALID_CONVERSION): Fix parameter types.
9232         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
9233         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
9235         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
9236         Fix argument type.
9238         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
9240         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
9242 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
9244         * doc/tm.texi (TARGET_HELP): Fix return type.
9246         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
9247         in braces.  Fix argument types.
9249         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
9251         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
9253         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
9255         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
9256         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
9258         (TARGET_MANGLE_TYPE): Fix argument types.
9260         (TARGET_IRA_COVER_CLASSES): Use prototype.
9262         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
9264         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
9266         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
9268         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
9270         (TARGET_CALLEE_COPIES): Fix argument types.
9272         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
9274         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
9276         (TARGET_FUNCTION_VALUE): Fix argument types.
9278         (TARGET_RETURN_IN_MSB): Fix argument type.
9280         (TARGET_RETURN_IN_MEMORY): Fix argument types.
9282         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
9284         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
9286         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
9287         agree with return type.
9289         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
9291 2010-01-15  Jing Yu  <jingyu@google.com>
9293         PR rtl-optimization/42691
9294         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
9295         a pseudo to a constant and are merged, and adjust comments.
9297 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
9299         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
9301 2010-01-15  Richard Guenther  <rguenther@suse.de>
9303         PR middle-end/42739
9304         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
9305         labels of computed or non-local gotos to the destination.
9306         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
9307         landing pad label is the first label.
9309 2010-01-15  Richard Guenther  <rguenther@suse.de>
9311         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
9313 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9315         PR target/42747
9316         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
9317         to allow generation of the xssqrtdp instruction on power7.
9318         (sqrtdf2_fpr): Ditto.
9320 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9322         PR middle-end/42674
9323         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
9324         functions with noreturn attribute.
9326         PR c++/42608
9327         * varasm.c (declare_weak): Add weak attribute to decl if it
9328         doesn't have one already.
9329         (assemble_external): Only add decls to weak_decls if they also
9330         have weak attribute.
9332 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
9334         * var-tracking.c (var_reg_delete): Don't delete the association
9335         between REGs and values or one-part variables if the register
9336         isn't clobbered.
9338 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9340         PR debug/42657
9341         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
9342         because its first operand is a non-localized variable.
9344 2010-01-14  Martin Jambor  <mjambor@suse.cz>
9346         PR tree-optimization/42706
9347         * tree-sra.c (encountered_recursive_call): New variable.
9348         (encountered_unchangable_recursive_call): Likewise.
9349         (sra_initialize): Initialize both new variables.
9350         (callsite_has_enough_arguments_p): New function.
9351         (scan_function): Call decl and flags check only for IPA-SRA, check
9352         whether there is a recursive call and whether it has enough arguments.
9353         (all_callers_have_enough_arguments_p): New function.
9354         (convert_callers): Look for recursive calls only when
9355         encountered_recursive_call is set.
9356         (ipa_early_sra): Bail out either if
9357         !all_callers_have_enough_arguments_p or
9358         encountered_unchangable_recursive_call.
9360 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9362         * sel-sched.c: Add 2010 to copyright years.
9363         * sel-sched-ir.c: Likewise.
9364         * sel-sched-ir.h: Likewise.
9366 2010-01-14  Martin Jambor  <mjambor@suse.cz>
9368         PR tree-optimization/42714
9369         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
9370         constructors specially.
9372 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9374         * config/i386/drivers-i386.c (detect_caches_intel):
9375         Add l2sizekb parameter and fill in.
9376         (host_detect_local_cpu): Add l2sizekb, fill in.
9377         Add Atom small cache heuristic.
9379 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9381         * config/i386/drivers-i386.c (detect_caches_cpuid4):
9382         Add level3 parameter and fill in.
9383         (detect_caches_intel): Handle level3 cache.
9385 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9387         * config/i386/drivers-i386.c (host_detect_local_cpu):
9388         Fix core duo detection.
9390 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9392         * config/i386/drivers-i386.c (host_detect_local_cpu):
9393         Fix Atom detection.
9395 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9397         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
9398         (rs6000_variable_issue_1): this.  Use...
9399         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
9401 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9403         * sel-sched-ir.c (sel_restore_other_notes): Rename to
9404         sel_restore_notes.  Update all callers.  Call reemit_notes
9405         for all insns.
9407 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9409         PR rtl-optimization/42246
9410         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
9411         loops.
9413 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9415         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
9416         all successors is the same as number of successors in current region.
9418 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9420         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
9421         to rename is not separable.  Otherwise check that its LHS is not NULL.
9423 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9425         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
9427 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9429         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9430         available registers when failed to discover LHS register class.
9431         Fix indentation.  Update comment.
9433 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9434             Alexander Monakov  <amonakov@ispras.ru>
9436         PR rtl-optimization/42389
9437         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9438         to can_issue_more.
9439         (advance_state_on_fence): Likewise.
9440         (sel_target_adjust_priority): Print debug output only when
9441         sched_verbose >= 4, not 2.
9442         (get_expr_cost): Do not issue all unique insns on the next cycle.
9443         (fill_insns): Initialize can_issue_more from the value saved
9444         with the fence.
9445         * sel-sched-ir.c (flist_add): New parameter issue_more.
9446         Init FENCE_ISSUE_MORE with it.
9447         (merge_fences): Likewise.
9448         (init_fences): Update call to flist_add.
9449         (add_to_fences, add_clean_fence_to_fences)
9450         (add_dirty_fence_to_fences): Likewise.
9451         (move_fence_to_fences): Update call to merge_fences.
9452         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9453         sched groups.
9454         * sel-sched-ir.h (struct _fence): New field issue_more.
9455         (FENCE_ISSUE_MORE): New accessor macro.
9457 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9459         PR rtl-optimization/42388
9460         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9461         that have no predecessors nor successors.  Do not call move_bb_info
9462         for empty blocks outside of current region.
9464 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9466         PR rtl-optimization/42294
9467         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9468         * sel-sched.c (move_exprs_to_boundary): Transitively add all
9469         originators' originators.
9471 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9473         PR rtl-optimization/39453
9474         PR rtl-optimization/42246
9475         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9476         for pipelining_p.
9477         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9479 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9480             Alexander Monakov  <amonakov@ispras.ru>
9482         PR middle-end/42245
9483         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
9484         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
9485         argument.  Update all callers.
9486         (tidy_control_flow): ... and here.  Recompute topological order
9487         of basic blocks in region if necessary.
9488         (sel_redirect_edge_and_branch): Change return type.  Return true
9489         if topological order might have been invalidated.
9490         (purge_empty_blocks): Export and move from...
9491         * sel-sched.c (purge_empty_blocks): ... here.
9492         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9493         (maybe_tidy_empty_bb): Delete prototype.
9494         (purge_empty_blocks): Declare.
9496 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
9498         PR rtl-optimization/42249
9499         * sel-sched.c (try_replace_dest_reg): When chosen register
9500         and original register is the same, do not bail out early, but
9501         still check all original insns for validity of replacing destination
9502         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9503         in this case.
9505 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9507         PR c/42721
9508         Port from no-undefined-overflow branch:
9509         2009-03-09  Richard Guenther  <rguenther@suse.de>
9511         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9513 2010-01-14  Richard Guenther  <rguenther@suse.de>
9515         PR lto/42665
9516         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9518 2010-01-14  Ira Rosen  <irar@il.ibm.com>
9520         PR tree-optimization/42709
9521         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9522         as scalar type in creation of constant vector operand.
9524 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9526         PR testsuite/42414
9527         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9528         (check-parallel-%): Match `testsuite' directory component only
9529         at the end.
9531 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
9533         PR translation/39521
9534         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9535         strings with _().
9537 2010-01-13  Richard Guenther  <rguenther@suse.de>
9539         PR tree-optimization/42730
9540         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9541         offset zero.
9543 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
9545         PR target/pr42542
9546         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9547         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9548         them signed.
9550 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9552         * config/bfin/libgcc-bfin.ver: Regenerate based on current
9553         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
9554         ___umulsi3_highpart.
9556         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9557         rather than schedule_insns if the pass is enabled.
9559 2010-01-13  Martin Jambor  <mjambor@suse.cz>
9561         PR tree-optimization/42704
9562         * tree-sra.c (sra_modify_assign): Do not delete assignments to
9563         SSA_NAMEs.
9565 2010-01-13  Martin Jambor  <mjambor@suse.cz>
9567         PR tree-optimization/42703
9568         * tree-sra.c (analyze_access_subtree): Check that we can build a
9569         reference to the original data within the aggregate.
9571 2010-01-13  Richard Guenther  <rguenther@suse.de>
9573         PR tree-optimization/42705
9574         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9576 2010-01-13  Richard Guenther  <rguenther@suse.de>
9578         PR middle-end/42716
9579         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9581 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
9583         PR debug/41371
9584         * var-tracking.c (values_to_unmark): New variable.
9585         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9586         values_to_unmark vector.  Moved body to...
9587         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
9588         instead queue it into values_to_unmark vector.
9589         (vt_find_locations): Free values_to_unmark vector.
9591 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
9593         * config/s390/s390.c (override_options): Set
9594         default of max-pending-list-length to 256
9596 2010-01-13  Richard Guenther  <rguenther@suse.de>
9598         PR lto/42678
9599         * tree-pass.h (PROP_gimple_lcx): New.
9600         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9601         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9602         before the final cleanup_eh.
9603         (dump_properties): Dump PROP_gimple_lcx.
9604         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9605         (tree_lower_complex_O0): Remove.
9606         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9607         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
9608         tree_lower_complex, schedule TODO_update_ssa.
9609         * lto-streamer-out.c (output_function): Stream the functions
9610         properties.
9611         * lto-streamer-in.c (input_function): Likewise.
9612         (lto_read_body): Do not override them here.
9614 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
9616         PR c/42708
9617         * c-typeck.c (build_c_cast): Fold value cast to union type before
9618         wrapping it in a CONSTRUCTOR.
9620 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
9622         PR rtl-optimization/42699
9623         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9624         involved.
9626 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9628         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9629         SUBTARGET_WARN_UNUSED_SPEC): Move ...
9630         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9631         SUBTARGET_WARN_UNUSED_SPEC): ... here
9632         * config/mips/iris5.h (LIBGCC_SPEC): Define.
9634 2010-01-12  Julian Brown  <julian@codesourcery.com>
9636         * config/arm/neon-schedgen.ml (Utils): Don't try to
9637         open missing module.
9638         (find_with_result): New.
9640 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
9642         PR debug/42662
9643         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9644         sharing when canonicalizing ({lt,ge}u (plus a b) b).
9646         PR tree-optimization/42645
9647         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
9648         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9649         decl_map, set processing_debug_stmt to -1 and return name without
9650         any remapping.
9652 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
9654         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9655         binutils version, and reword target configuration description.
9657 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
9659         * config/avr/avr.h (LINKER_NAME): Remove.
9661 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
9663         PR target/42416
9664         * config/rs6000/rs6000.c (rs6000_override_options): On targets
9665         that support VSX, warn for -mno-altivec if vsx is not disabled,
9666         and disable vsx.
9668 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
9669             Shujing Zhao  <pearly.zhao@oracle.com>
9671         PR translation/42469
9672         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9673         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9674         character between option name and help text.
9675         * c.opt (imultilib): Likewise.
9677 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
9679         * lto-streamer-out.c (output_unreferenced_globals): Output static
9680         variables.
9682 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
9684         PR rtl-optimization/42621
9685         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9686         optimizing for size.
9687         (duplicate_computed_gotos): Remove now-redundant check.
9689 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
9691         PR target/37454
9692         * configure.ac: Save and restore LDFLAGS and LIBS
9693         * configure: Regenerate.
9695 2010-01-10  Richard Guenther  <rguenther@suse.de>
9697         PR middle-end/42667
9698         * builtins.c (fold_builtin_strlen): Add type argument and
9699         convert the resulting length to it.
9700         (fold_builtin_1): Adjust.
9702 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
9704         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9705         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9706         1 insn.
9707         (num_insns_constant_wide): Adjust for that change.
9709 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9711         PR debug/42631
9712         * web.c (union_defs): Add used argument, to combine uses of
9713         uninitialized regs.
9714         (entry_register): Adjust type and tests of used argument.
9715         (web_main): Widen used for new use.  Pass it to union_defs.
9716         * df.h (union_defs): Adjust prototype.
9718 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9720         PR debug/42630
9721         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9722         uses in new incoming argument.  Free body.
9723         (reset_debug_uses_in_loop): New.
9724         (analyze_insn_to_expand_var): Call the latter if the former found
9725         anything.  Fix whitespace.  Reject invalid dest overlaps before
9726         going through all insns in the loop.
9728 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9730         PR debug/42629
9731         * haifa-sched.c (dying_use_p): Debug insns don't count.
9733 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9735         PR middle-end/42363
9736         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9737         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9738         (verify_gimple_call): Reject LHS in noreturn calls.
9740 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9742         PR debug/42604
9743         PR debug/42395
9744         * tree-vect-loop-manip.c (adjust_info): New type.
9745         (adjust_vec): New pointer to vector.
9746         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9747         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9748         (slpeel_update_phis_for_duplicate_loop): Use them.
9749         (slpeel_update_phi_nodes_for_guard1): Likewise.
9750         (slpeel_update_phi_nodes_for_guard2): Likewise.
9751         (slpeel_tree_peel_loop_to_edge): Likewise.
9752         (vect_update_ivs_after_vectorizer): Likewise.
9754 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9756         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9757         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9759 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9761         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9762         bogus uninitialized warning.
9764 2010-01-09  Richard Guenther  <rguenther@suse.de>
9766         PR middle-end/42512
9767         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9768         the evolution is compatible with the initial condition.
9770 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
9772         * gcc.c (process_command): Update copyright notice dates.
9773         * gcov.c (print_version): Likewise.
9774         * gcov-dump.c (print_version): Likewise.
9775         * mips-tfile.c (main): Likewise.
9776         * mips-tdump.c (main): Likewise.
9778 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
9780         PR target/41885
9781         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9782         (rotlhi3): Delete.
9783         (rotlhi3_8): Delete.
9784         (rotlsi3): Delete.
9785         (rotlsi3_8): Delete.
9786         (rotlsi3_16): Delete.
9787         (rotlsi3_24): Delete.
9788         (rotl<mode>3): New.
9789         (*rotw<mode>3): New.
9790         (*rotb<mode>3): New.
9791         * config/avr/avr.c (avr_rotate_bytes): New function.
9792         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9794 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
9796         PR target/37454
9797         * configure.ac: Modify -rdynamic check.
9798         * configure: Regenerate.
9800 2010-01-08  DJ Delorie  <dj@redhat.com>
9802         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9803         register popping order.
9805 2010-01-08  Richard Guenther  <rguenther@suse.de>
9807         PR lto/42528
9808         * c.opt (fsigned-char): Also let LTO handle this option.
9809         (funsigned-char): Likewise.
9811 2010-01-07  Richard Guenther  <rguenther@suse.de>
9813         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9814         (gimple_op): Likewise.
9815         (gimple_op_ptr): Likewise.
9816         (gimple_assign_set_lhs): Remove gcc_assert.
9817         (gimple_assign_set_rhs1): Likewise.
9818         (gimple_assign_set_rhs2): Likewise.
9819         (gimple_call_set_lhs): Likewise.
9820         (gimple_call_set_fn): Likewise.
9821         (gimple_call_set_fndecl): Likewise.
9822         (gimple_call_fndecl): Likewise.
9823         (gimple_call_return_type): Likewise.
9824         (gimple_call_set_chain): Likewise.
9825         (gimple_call_num_args): Likewise.
9826         (gimple_call_set_arg): Likewise.
9827         (gimple_cond_set_code): Likewise.
9828         (gimple_cond_set_lhs): Likewise.
9829         (gimple_cond_set_rhs): Likewise.
9830         (gimple_cond_set_true_label): Likewise.
9831         (gimple_cond_set_false_label): Likewise.
9832         (gimple_label_set_label): Likewise.
9833         (gimple_goto_set_dest): Likewise.
9834         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9835         (gimple_debug_bind_get_value): Likewise.
9836         (gimple_debug_bind_get_value_ptr): Likewise.
9837         (gimple_debug_bind_set_var): Likewise.
9838         (gimple_debug_bind_set_value): Likewise.
9839         (gimple_debug_bind_reset_value): Likewise.
9840         (gimple_debug_bind_has_value_p): Likewise.
9841         (gimple_return_retval_ptr): Remove gcc_assert.
9842         (gimple_return_retval): Likewise.
9843         (gimple_return_set_retval): Likewise.
9844         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9845         (safe_referenced_var_iterator): Remove.
9846         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9847         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9848         (fill_referenced_var_vec): Remove.
9849         (first_readonly_imm_use): Remove redundant gcc_assert.
9850         (phi_arg_index_from_use): Combine gcc_asserts.
9851         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9852         (first_imm_use_stmt): Remove redundant gcc_assert.
9853         * tree-cfg.c (verify_gimple_call): Verify function and chain
9854         operands.  Verify arguments.
9855         (verify_types_in_gimple_stmt): Verify condition code and labels.
9857 2010-01-07  Richard Guenther  <rguenther@suse.de>
9859         PR tree-optimization/42641
9860         * sese.c (rename_map_elt_info): Use the SSA name version, do
9861         not hash pointers.
9863 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
9865         PR tree-optimization/42625
9866         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9867         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9869 2010-01-07  Duncan Sands  <baldrick@free.fr>
9871         * Makefile.in (PLUGIN_HEADERS): Add version.h.
9873 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
9875         PR target/42511
9876         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9877         note itself is not function_invariant_p.
9879 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
9881         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9882         Do not add the DF_NOTE problem.
9883         * store-motion.c (execute_rtl_store_motion): Likewise.
9885 2010-01-07  Martin Jambor  <mjambor@suse.cz>
9887         PR tree-optimization/42157
9888         * tree-sra.c (compare_access_positions): Stabilize sort if both
9889         accesses have integer types, return zero immediately if they are the
9890         same.
9892 2010-01-06  Richard Henderson  <rth@redhat.com>
9894         PR middle-end/41883
9895         * haifa-sched.c (add_to_note_list): Merge into ...
9896         (concat_note_lists): ... here, and ...
9897         (unlink_other_notes, rm_other_notes): Merge into...
9898         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
9899         NOTE_INSN_EPILOGUE_BEG.
9901 2010-01-06  Richard Guenther  <rguenther@suse.de>
9903         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9904         not inline regular functions into always-inline functions.
9906 2010-01-06  Nick Clifton  <nickc@redhat.com>
9908         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9909         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9910         used together.
9911         (OVERRIDE_OPTIONS): Delete.
9912         (OPTIMIZATION_OPTIONS): Define.
9913         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9914         * config/rx/rx.c (rx_handle_option): Issue an error message if
9915         -mcpu=rx200 and -fpu are used together.
9916         (rx_set_optimization_options): New function.  Issue an error
9917         message if an optimization attribute attempts to reset the FPU/
9918         math optimization pairing.
9919         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9920         * config/rx/rx.opt: Set the default to 32-bit doubles.
9921         * config/rx/t-rx: Add multilibs for -nofpu option.
9922         * doc/invoke.texi: Update documentation of RX options.
9924 2010-01-06  Richard Guenther  <rguenther@suse.de>
9926         * tree-ssa-pre.c (name_to_id): New global.
9927         (alloc_expression_id): Simplify SSA name handling.
9928         (lookup_expression_id): Likewise.
9929         (init_pre): Zero name_to_id.
9930         (fini_pre): Free it.
9932 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
9934         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9936 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9938         PR target/42542
9939         * config/i386/sse.md (smaxv2di3): New.
9940         (umaxv2di3): Likewise.
9941         (sminv2di3): Likewise.
9942         (uminv2di3): Likewise.
9944 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
9946         PR target/42564
9947         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9948         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9949         (legitimize_tls_address): Likewise.
9950         (sparc_tls_referenced_p): Likewise.
9951         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9952         and adjust calls to legitimize_pic_address.
9953         (legitimate_constant_p) Use sparc_tls_referenced_p.
9954         (legitimate_pic_operand_p): Likewise.
9955         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9956         (sparc_tls_symbol_ref_1): Delete.
9957         (sparc_tls_referenced_p): Make static, recognize specific patterns.
9958         (legitimize_tls_address): Make static, handle CONST patterns.
9959         (legitimize_pic_address): Make static, remove unused parameter and
9960         adjust recursive calls.
9961         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9962         and adjust call to legitimize_pic_address.
9963         (sparc_output_mi_thunk): Likewise.
9965 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
9966             H.J. Lu  <hongjiu.lu@intel.com>
9968         PR target/42542
9969         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9970         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9971         operands to make them signed.
9973         Revert:
9974         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
9976         PR target/42542
9977         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9978         GTU to GT for V4SI and V2DI.
9980         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9981         (umin<mode>3): Removed.
9982         (uminv8hi3): New.
9983         (uminv4si3): Likewise.
9985 2010-01-05  Martin Jambor  <mjambor@suse.cz>
9987         PR tree-optimization/42462
9988         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9989         current_function_decl to helper functions and macros.
9991 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9993         PR bootstrap/41771
9994         * flags.h: Don't include real.h.
9995         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9996         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9997         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9998         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9999         * dominance.c: Update copyright.
10000         * gimple.c (walk_gimple_op): Remove inline.
10001         * tree-ssa-reassoc.c: Include real.h.
10002         * Makefile.in (FLAGS_H): Remove $(REAL_H).
10003         (tree-ssa-reassoc.o): Depend on $(REAL_H).
10005 2010-01-05  Nick Clifton  <nickc@redhat.com>
10007         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
10008         register to push into the stack frame when the accumulator has to
10009         be saved during interrupts.
10011 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
10013         * doc/invoke.texi: Remove the documentation about option
10014         -Wunreachable-code.
10015         * common.opt (Wunreachable-code):  Preserved for backward
10016         compatibility.
10017         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
10018         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
10019         the backward compatibility flag section.
10021 2010-01-05  Richard Guenther  <rguenther@suse.de>
10023         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
10025 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
10027         PR other/42611
10028         * cfgexpand.c (expand_one_var): Diagnose too large variables.
10030         PR tree-optimization/42508
10031         * tree-sra.c (convert_callers): Check for recursive call
10032         by comparing cgraph nodes instead of decls.
10033         (modify_function): Call ipa_modify_formal_parameters also
10034         on all same_body aliases.
10036         * cgraphunit.c (cgraph_materialize_all_clones): Compare
10037         cgraph nodes when checking for same_body aliases.
10039 2010-01-05  Richard Guenther  <rguenther@suse.de>
10041         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
10042         allocation and lookup.
10043         (get_or_alloc_expr_for_constant): Likewise.
10044         (phi_translate): Sink allocation.
10046 2010-01-04  Richard Guenther  <rguenther@suse.de>
10048         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
10049         a new entry only if needed.
10050         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
10051         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
10052         hashtable lookup.
10053         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
10054         the result array.
10055         (phi_translate): Handle CONSTANTs early.
10057 2010-01-04  Martin Jambor  <mjambor@suse.cz>
10059         PR tree-optimization/42398
10060         * tree-sra.c (struct access): Removed flag grp_different_types.
10061         (dump_access): Do not dump the removed flag.
10062         (sort_and_splice_var_accesses): Do not set the removed flag.
10063         (sra_modify_expr): Check for type compatibility directly.
10065 2010-01-04  Martin Jambor  <mjambor@suse.cz>
10067         PR tree-optimization/42366
10068         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
10069         edges with variable number of parameters.
10070         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
10071         flag instead of asserting it.
10072         (ipa_read_node_info): Read uses_analysis_done flag.
10074 2010-01-04  Richard Guenther  <rguenther@suse.de>
10076         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
10077         iterative_hash_* as intended.
10078         (vn_reference_compute_hash): Likewise.  Simplify hashing
10079         SSA names.
10080         (vn_reference_lookup_2): Likewise.
10081         (vn_nary_op_compute_hash): Likewise.
10082         (vn_phi_compute_hash): Likewise.
10083         (expressions_equal_p): Remove strange code.
10084         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
10085         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
10086         (bitmap_insert_into_set_1): Take value-id as parameter.
10087         (add_to_value): Pass it.
10088         (bitmap_insert_into_set): Likewise.
10089         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
10091 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
10093         PR driver/42442
10094         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
10095         (do_self_spec): For switches with SWITCH_IGNORE set set also
10096         SWITCH_IGNORE_PERMANENTLY.
10097         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
10098         of SWITCH_IGNORE.
10100 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
10102         * lto-streamer-out.c (output_unreferenced_globals): Output the full
10103         tree of an unreferenced global var.
10105 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10107         PR target/42542
10108         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10109         GTU to GT for V4SI and V2DI.
10111         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10112         (umin<mode>3): Removed.
10113         (uminv8hi3): New.
10114         (uminv4si3): Likewise.
10116 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10118         PR lto/42581
10119         * collect2.c (main): Turn on trace in collect2 if -v is passed
10120         to gcc with LTO.
10122 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
10124         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
10125         description of expression operand.
10127 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
10129         * configure.ac: Add install-html to target_list for Make-hooks.
10130         * configure: Regenerate.
10131         * fortran/Make-lang.in (F95_HTMLFILES): New.
10132         (fortran.html): Use it.
10133         (fortran.install-html): New.
10134         * Makefile.in (install-html): Add lang.install-html.
10135         * java/Make-lang.in (JAVA_HTMLFILES): New.
10136         (java.html): Use it.
10137         (java.install-html): New.
10138         * objc/Make-lang.in (objc.install-html): New.
10139         * objcp/Make-lang.in (obj-c++.install-html): New.
10140         * cp/Make-lang.in (c++.install-html): New.
10141         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
10142         * lto/Make-lang.in (lto.install-html): New.
10144 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
10146         PR lto/42520
10147         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
10149 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
10151         PR rtl-optimization/41862
10152         * store-motion.c (store_killed_in_insn, compute_store_table,
10153         remove_reachable_equiv_notes, replace_store_insn,
10154         build_store_vectors): Ignore all DEBUG_INSNs.
10156 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
10158         PR lto/41564
10159         * common.opt: Add dumpdir.
10161         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
10162         isn't specified.
10163         (option_map): Add --dumpdir.
10165         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
10167         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
10169         * opts.c (decode_options): Try dump_dir_name first if
10170         dump_base_name isn't an absolute path.
10171         (common_handle_option): Handle OPT_dumpdir.
10173         * toplev.c (dump_dir_name): New.
10174         (print_switch_values): Also ignore -dumpdir.
10176         * toplev.h (dump_dir_name): New.
10178 2010-01-03  Richard Guenther  <rguenther@suse.de>
10180         PR tree-optimization/42589
10181         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
10182         double-word expansion of bswap32.
10184 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
10186         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
10187         with BLOCK_FOR_INSN.
10188         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
10189         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
10190         noce_process_if_block): Likewise.
10191         * gcse.c (compute_local_properties, insert_expr_in_table,
10192         insert_set_in_table, canon_list_insert, find_avail_set,
10193         pre_insert_copy_insn): Likewise.
10195         * basic-block.h (BLOCK_NUM): Move from here...
10196         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
10198 2010-01-03  Richard Guenther  <rguenther@suse.de>
10200         PR tree-optimization/42438
10201         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
10202         contains_may_not_return_call flag.
10203         (BB_MAY_NOTRETURN): New.
10204         (valid_in_sets): Trapping nary operations are not valid
10205         in blocks that may not return.
10206         (insert_into_preds_of_block): Remove check for trapping expressions.
10207         (compute_avail): Compute also BB_MAY_NOTRETURN.
10209 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
10211         * doc/invoke.texi: Add 2010 to copyright years.
10213 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
10215         * config/sparc/sparc.c: Fix formatting nits.
10217 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
10218             Alexander Monakov  <amonakov@ispras.ru>
10220         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
10222 2010-01-02  Richard Guenther  <rguenther@suse.de>
10224         PR middle-end/42577
10225         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
10226         (simplify_switch_using_ranges): Mark to be removed edges
10227         as non-executable.
10229 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10231         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10233         * collect2.c (scan_libraries): Add missing argument in call to
10234         scan_prog_file.
10236 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
10238         PR target/42448
10239         * config/alpha/predicates.md (aligned_memory_operand): Return false
10240         for CQImode.
10241         (unaligned_memory_operand): Return true for CQImode.
10242         * config/alpha/alpha.c (get_aligned_mem): Assert that location
10243         doesn not cross aligned SImode word boundary.
10245 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
10247         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
10248         Remove.
10249         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
10250         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
10252 2010-01-02  Richard Guenther  <rguenther@suse.de>
10254         PR lto/41597
10255         * toplev.c (compile_file): Emit LTO marker properly.  Change
10256         it to __gnu_lto_v1.
10257         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
10259 2010-01-01  Richard Guenther  <rguenther@suse.de>
10261         PR debug/42455
10262         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
10264 2010-01-01  Richard Guenther  <rguenther@suse.de>
10266         PR c/42570
10267         * c-decl.c (grokdeclarator): For zero-size arrays force
10268         structural equality checks as layout_type does.
10270 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
10272         * builtins.c: Update copyright to 2010.
10274 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
10276         PR lto/42531
10277         * lto-streamer-out.c (produce_asm): Revert the last change.
10278         (copy_function): Likewise.
10280         * lto-streamer.c (lto_get_section_name): Skip any leading
10281         asterisk in name.
10283 2010-01-01  Richard Guenther  <rguenther@suse.de>
10285         PR middle-end/42559
10286         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
10287         for LABEL_DECLs.
10290 Copyright (C) 2010 Free Software Foundation, Inc.
10292 Copying and distribution of this file, with or without modification,
10293 are permitted in any medium without royalty provided the copyright
10294 notice and this notice are preserved.