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1 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2
3         * config/s390/s390.c (override_options): Increase the default
4         of max-completely-peel-times.
5
6 2010-05-21  Julian Brown  <julian@codesourcery.com>
7             Mark Mitchell  <mark@codesourcery.com>
8
9         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
10         sibling calls for Thumb-1.
11         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
12         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
13         Thumb-2.
14         (*call_insn, *call_value_insn): Don't use for Thumb-2.
15         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
16         for Thumb-2.
17         (return): New expander.
18         (*arm_return): New name for ARM return insn.
19         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
20
21 2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>
22
23         * config.gcc (sparc64-*-rtems*): New target.
24
25 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
26
27         * tree.c (build_function_decl_skip_args): Fix grammar.
28         (build_function_type_list_1): Fix typos, adjust formatting.
29
30 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
31
32         * tree.h: Include real.h and fixed-value.h as basic datatypes.
33         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
34         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
35         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
36         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
37         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
38         tree-pretty-print.c, tree-loop-distribution.c,
39         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
40         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
41         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
42         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
43         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
44         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
45         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
46         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
47         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
48         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
49         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
50         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
51         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
52         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
53         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
54         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
55         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
56         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
57         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
58         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
59         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
60         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
61         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
62         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
63         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
64         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
65         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
66         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
67         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
68         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
69         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
70         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
71         config/score/score7.c, config/score/score.c, config/arm/arm.c,
72         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
73         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
74         config/bfin/bfin.c:
75         Clean up redundant includes.
76         * Makefile.in: Update accordingly.
77
78 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
79
80         PR middle-end/44204
81         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
82         statement has no arguments.
83
84 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
85
86         PR/44139
87         * varasm.c (emutls_decl): Merge attributes to new decl.
88
89 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
90
91         PR middle-end/44101
92         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
93         around the uniquized constructor if its type requires a conversion.
94
95 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
96
97         PR debug/44205
98         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
99         at -O0 goto_locus of any of the incoming edges differs from
100         goto_locus of outgoing edge, or gimple_location of any of the
101         labels differs.
102
103 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
104
105         * ira.c (ira_non_ordered_class_hard_regs): Define.
106         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
107         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
108         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
109         cost of unaligned hard regs when allocating multi-reg pseudos.
110
111 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
112
113         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
114         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
115         for TARGET_NO_FLOAT.
116         * config/mips/mips.c (mips_file_start): Expand conditional expression
117         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
118         (mips_override_options): Move -mno-float override -msoft-float and
119         -mhard-float.
120         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
121         Condition(TARGET_SUPPORTS_NO_FLOAT).
122         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
123         __mips_no_float here.
124         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
125         (TARGET_SUPPORTS_NO_FLOAT): Define.
126         * config/mips/sdemtk.opt: Delete.
127
128 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
129
130         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail
131         out if !cond.
132
133 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
134
135         PR target/43733
136         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
137         * configure: Regenerate.
138         * config.in: Regenerate.
139         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
140         instead of sahf only for 64bit targets.
141
142 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
143
144         PR debug/44178
145         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
146         setup_ref_regs for DEBUG_INSNs.
147
148 2010-05-20  Jan Hubicka  <jh@suse.cz>
149
150         PR middle-end/44197
151         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
152
153 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
154
155         PR bootstrap/43870
156         * df-scan.c (df_ref_compare): Stabilize sort.
157
158 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
159
160         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
161         argument.  Don't use DW_OP_piece if offset is non-zero,
162         put offset into second DW_OP_bit_piece argument.
163         (dw_sra_loc_expr): Adjust callers.  For memory expressions
164         compute offset.
165
166 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
167
168         PR target/44202
169         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
170         settings for 16-bit-constant "addo" alternative.
171
172 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
173
174         * config/mips/mips-dsp.md (add<DSPV:mode>3,
175         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
176
177         PR target/43764
178         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
179         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
180         Use it.
181
182 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
183
184         * diagnostic.c (FLOAT, FFS): Don't undefine.
185         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
186         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
187         include ordering.
188
189 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
190
191         * combine.c (propagate_for_debug): Call make_compound_operation
192         on the source value.
193         (try_combine): When implementing a split chosen by find_split_point,
194         either copy i2src or set it to null.  Assert that i2src is not null
195         before substituting into CALL_INSN_FUNCTION_USAGE.
196
197 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
198
199         * double-int.h (double_int_ior): New function.
200         * tree.h (build_int_cst_wide_type): Remove.
201         * tree.c (build_int_cst_wide_type): Remove.
202         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
203         of build_int_cst_wide_type.
204         * stor-layout.c (set_sizetype): (Ditto.).
205         * dojump.c (do_jump): Use build_int_cstu instead of
206         build_int_cst_wide_type.
207
208 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
209
210         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
211         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
212         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
213         * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
214         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
215         propagate the 'data' argument to copy_tree_r.
216         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
217         Propagate 'data' argument to walk_tree.
218         (copy_if_shared): New function.
219         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
220         (unmark_visited): New function.
221         (unshare_body): Call copy_if_shared instead of doing it manually.
222         (unvisit_body): Call unmark_visited instead of doing it manually.
223
224 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
225
226         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
227         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
228         * hooks.c: Likewise.
229         * target-def.h (TARGET_FOLD_BUILTIN): Define to
230         hook_tree_tree_int_treep_bool_null.
231         * target.h: (struct gcc_target): Update signature of fold_builtin
232         field.
233         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
234         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
235         instead of the call expression.
236         (fold_builtin_call_array): Pass n and argarray directly.
237         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
238         consing a list.
239         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
240         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
241         `i' and use it in place of `arity'.
242         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
243         Dereference `args' directly.
244         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
245
246 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
247
248         * doc/sourcebuild.texi (Effective-Target Keywords): Document
249         3dnow, sse3, sse2.
250         (Directives): Document optional dg-require-effective-target
251         selector.
252
253 2010-05-19  Richard Guenther  <rguenther@suse.de>
254
255         PR lto/44196
256         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
257
258 2010-05-19  Richard Guenther  <rguenther@suse.de>
259
260         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
261         * common.opt (fwhopr=): New.
262         * opts.c (common_handle_option): Handle OPT_fwhopr.
263         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
264         * collect2.c (main): Match -fwhopr*.
265         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
266         Execute ltrans stage in parallel when jobs is bigger than 1.
267
268 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
269
270         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
271         pentiumpro on Solaris 8/x86 with Sun as.
272         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
273         hidden alias bug.
274         (gcc_cv_as_ix86_quad): Check for .quad directive.
275         * configure: Regenerate.
276         * config.in: Regenerate.
277         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
278
279 2010-05-19  Martin Jambor  <mjambor@suse.cz>
280
281         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
282         also for indirect edges.  Actual printing moved...
283         (ipa_print_node_jump_functions_for_edge): ...here.
284         (ipa_compute_jump_functions): Renamed to
285         ipa_compute_jump_functions_for_edge and made static.
286         (ipa_compute_jump_functions): New function.
287         (make_edge_direct_to_target): Check if the number of arguments on
288         the newly direct edge is the same as the number of parametrs of
289         the callee.
290         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
291         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
292         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
293         analysis functions unconditionally, call the new
294         ipa_analyze_params_uses on the node instead of every edge.
295
296 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
297
298         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
299         to tree.
300         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
301         also checks for a constant int vs.  non-constant but
302         loop-invariant steps.
303         (find_or_create_group): Change the sort algorithm to only consider
304         steps that are constant ints.
305         (idx_analyze_ref): Adopt code to handle a tree instead of a
306         HOST_WIDE_INT for step.
307         (gather_memory_references_ref): Handle tree instead of int and be
308         prepared to see a NULL_TREE.
309         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
310         prefetches if the step cannot be calculated at compile time.
311         (issue_prefetch_ref): Issue prefetches for non-constant but
312         loop-invariant steps.
313
314 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
315
316         Revert:
317         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
318
319         * tree.h (build_call_list): Remove.
320         * tree.c (build_call_list): Remove.
321
322 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
323
324         * tree.h (build_call_list): Remove.
325         * tree.c (build_call_list): Remove.
326
327 2010-05-18  Jan Hubicka  <jh@suse.cz>
328
329         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
330
331 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
332
333         PR rtl-optimization/43332
334         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
335
336 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
337
338         * tree.h (build_int_cstu): Implement as static inline.
339         * tree.c (build_int_cstu): Remove function.
340         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
341         sign extended.
342
343 2010-05-18  Richard Guenther  <rguenther@suse.de>
344
345         PR lto/44143
346         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
347         (debug): Initialize from -save-temps.
348         (collect_execute): Print command-line when verbose.
349         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
350         for ltrans invocation.  Produce -dumpbase flag again.
351         (process_args): Remove.
352         (main): Simplify.
353         * collect2.c (maybe_run_lto_and_relink): Only pass object
354         files to lto-wrapper.
355         * gcc.c (LINK_COMMAND_SPEC): Likewise.
356
357 2010-05-18  Jan Hubicka  <jh@suse.cz>
358
359         * opts.c (decode_options): Do not disable whopr at ipa_cp.
360         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
361
362 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
363
364         PR lto/44184
365         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
366         in a GIMPLE_ASM.
367         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
368         in a GIMPLE_ASM.
369
370 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
371
372         PR debug/41371
373         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
374         rtx_equal_p inline.
375
376 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
377
378         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
379         lto-macho as lto_binary_reader.
380
381         * darwin.c (darwin_asm_named_section): Do not add assembler comment
382         after .section directive; just print it before the directive instead.
383
384 2010-05-17  Jan Hubicka  <jh@suse.cz>
385
386         * cgraph.c (cgraph_create_virtual_clone): Only check
387         versionable_function_p when not in wpa and checking is enabled.
388         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
389         there are no more functions to materialize.
390
391 2010-05-17  Jan Hubicka  <jh@suse.cz>
392
393         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
394         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
395         New functions.
396         (output_cgraph): Call output_cgraph_opt_summary.
397         (input_cgrpah): Call input_cgraph_opt_summary.
398         (output_cgraph_opt_summary_p, output_node_opt_summary,
399         input_node_opt_summary, input_cgraph_opt_section): New functions.
400         * lto-section-in.c (lto_section_name): Add cgraphopt.
401         * tree-inline.c (tree_function_versioning): Handle parm_num.
402         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
403         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
404
405 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
406
407         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
408         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
409         the insn to prefetch ratio heuristic to loops with known trip count.
410
411 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
412
413         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
414         (schedule_prefetches): Do not generate a prefetch if the unroll factor
415         is far from what is required by the prefetch.
416
417 2010-05-17  Jan Hubicka  <jh@suse.cz>
418
419         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
420         (ipcp_estimate_growth): Likewise.
421         (ipcp_const_param_count): Likewise.
422         (ipcp_insert_stage): Likewise.
423         * ipa-prop.c (visit_load_for_mod_analysis): New function.
424         (visit_store_addr_for_mod_analysis): Set used flag.
425         (ipa_detect_param_modifications): Set used flag for SSE params;
426         update use of walk_stmt_load_store_addr_ops.
427         (ipa_print_node_params): Print used flag.
428         (ipa_write_node_info): Stream used flag.
429         (ipa_read_node_info): Likewise.
430         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
431         (ipa_is_param_used): New function.
432         (lto_ipa_fixup_call_notes): Remove unused declaration.
433
434 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
435
436         PR target/44074
437         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
438         * configure: Regenerate.
439         * config.in: Regenerate.
440         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
441         !HAVE_AS_IX86_REP_LOCK_PREFIX.
442         Don't emit whitespace.
443         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
444         (*rep_movsi): Likewise.
445         (*rep_movsi_rex64): Likewise.
446         (*rep_movqi): Likewise.
447         (*rep_movqi_rex64): Likewise.
448         (*rep_stosdi_rex64): Likewise.
449         (*rep_stossi): Likewise.
450         (*rep_stossi_rex64): Likewise.
451         (*rep_stosqi): Likewise.
452         (*rep_stosqi_rex64): Likewise.
453         (*cmpstrnqi_nz_1): Use {%;} after repz.
454         (*cmpstrnqi_nz_rex_1): Likewise.
455         (*cmpstrnqi_1): Likewise.
456         (*cmpstrnqi_rex_1): Likewise.
457         (*strlenqi_1): Use {%;} after repnz.
458         (*strlenqi_rex_1): Likewise.
459         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
460         (*sync_compare_and_swap<mode>): Likewise.
461         (sync_double_compare_and_swap<mode>): Likewise.
462         (*sync_double_compare_and_swapdi_pic): Likewise.
463         (sync_old_add<mode>): Likewise.
464         (sync_add<mode>): Likewise.
465         (sync_sub<mode>): Likewise.
466         (sync_<code><mode>): Likewise.
467
468 2010-05-17  Martin Jambor  <mjambor@suse.cz>
469
470         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
471         otr_token and polymorphic.
472         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
473         (cgraph_clone_edge): Copy the above fields.
474         * tree.c (get_binfo_at_offset): New function.
475         * tree.h (get_binfo_at_offset): Declare.
476         * ipa-prop.h (enum jump_func_type): Added known_type jump function
477         type, reordered items, updated comments.
478         (union jump_func_value): Added base_type field, reordered fields.
479         (enum ipa_lattice_type): Moved down in the file.
480         (struct ipa_param_descriptor): New field polymorphic.
481         (ipa_is_param_polymorphic): New function.
482         * ipa-prop.c: Include gimple.h and gimple-fold.h.
483         (ipa_print_node_jump_functions): Print known type jump functions.
484         (compute_complex_pass_through): Renamed to...
485         (compute_complex_assign_jump_func): this.
486         (compute_complex_ancestor_jump_func): New function.
487         (compute_known_type_jump_func): Likewise.
488         (compute_scalar_jump_functions): Create known type and complex ancestor
489         jump functions.
490         (ipa_note_param_call): New parameter polymorphic, set the corresponding
491         flag in the call note accordingly.
492         (ipa_analyze_call_uses): Renamed to...
493         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
494         variable var only in the block where it is used.
495         (ipa_analyze_virtual_call_uses): New function.
496         (ipa_analyze_call_uses): Likewise.
497         (combine_known_type_and_ancestor_jfs): Likewise.
498         (update_jump_functions_after_inlining): Implemented handling of a
499         number of new jump function types combination.
500         (print_edge_addition_message): Removed.
501         (make_edge_direct_to_target): New function.
502         (try_make_edge_direct_simple_call): Likewise.
503         (try_make_edge_direct_virtual_call): Likewise.
504         (update_call_notes_after_inlining): Renamed to...
505         (update_indirect_edges_after_inlining): this.  Moved edge creation for
506         indirect calls to try_make_edge_direct_simple_call, also calls
507         try_make_edge_direct_virtual_call for virtual calls.
508         (ipa_print_node_params): Changed the header message.
509         (ipa_write_jump_function): Stream also known type jump functions.
510         (ipa_read_jump_function): Likewise.
511         (ipa_write_indirect_edge_info): Stream new fields in
512         cgraph_indirect_call_info.
513         (ipa_read_indirect_edge_info): Likewise.
514         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
515         GIMPLE_FOLD_H.
516
517 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
518
519         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
520
521 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
522
523         * tree.h (CALL_EXPR_ARGS): Delete.
524         (call_expr_arglist): Delete.
525         * tree.c (call_expr_arglist): Delete.
526         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
527         targetm.fold_builtin.
528         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
529         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
530         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
531         arglist parameter.  Use CALL_EXPR_ARG.
532         (picochip_expand_builtin_3op): Likewise.
533         (picochip_expand_builtin_2opvoid): Likewise.
534         (picochip_expand_array_get): Likewise.
535         (picochip_expand_array_put): Likewise.
536         (picochip_expand_array_testport): Likewise.
537         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
538         rather than arglist.
539         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
540         CALL_EXPR_ARGS.
541         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
542         than TREE_VALUE and TREE_CHAIN.
543         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
544         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
545         the arglist.
546
547 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
548
549         PR bootstrap/42347
550         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
551         to have no fallthru edge.
552
553         PR middle-end/44102
554         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
555         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
556         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
557         add BARRIER after previous bb if needed.
558
559 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
560
561         * tree.c (build_function_type_list_1): Remove bogus assert condition.
562
563 2010-05-17  Alan Modra  <amodra@gmail.com>
564
565         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
566         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
567         with copy_reg rtx param.
568         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
569         Correct cases where code for ABI_V4 did not initialise the reg
570         used to access frame.  Also leave frame_reg_rtx as sp for large
571         frames that save no regs.
572
573 2010-05-17  Martin Jambor  <mjambor@suse.cz>
574
575         PR middle-end/44133
576         * tree-sra.c (create_access_replacement): New parameter rename, mark
577         the replaement for renaming only when it is true.
578         (get_access_replacement): Pass true in the rename parameter of
579         create_access_replacement.
580         (get_unrenamed_access_replacement): New function.
581         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
582         replacement declaration from it.
583
584 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
585
586         * function.c (try_fit_stack_local, add_frame_space): New static
587         functions.
588         (assign_stack_local_1): Use them.  Look for opportunities to use
589         space previously wasted on alignment.
590         * function.h (struct frame_space): New.
591         (struct rtl_data): Add FRAME_SPACE_LIST member.
592         * reload1.c (something_was_spilled): New static variable.
593         (alter_reg): Set it.
594         (reload): Test it in addition to testing if the frame size changed.
595
596 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
597
598         * config/s390/s390.c: Define sane prefetch settings and activate
599         flag_prefetch_loop_arrays on -O3.
600         * config/s390/s390.h: Declare that read can use write prefetch.
601
602 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
603
604         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
605         build.
606
607 2010-05-16  Jan Hubicka  <jh@suse.cz>
608
609         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
610         function body; do not check stdarg field of struct function.
611
612 2010-05-16  Jan Hubicka  <jh@suse.cz>
613
614         * cgraph.c (dump_cgraph_node): Dump versionable flag.
615         * cgraph.h (cgraph_local_info): Add versionable flag.
616         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
617         (ipcp_versionable_function_p): Use it.
618         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
619         versionable flag.
620
621 2010-05-16  Jan Hubicka  <jh@suse.cz>
622
623         * cgraph.c (cgraph_clone_node): Take decl argument and insert
624         clone into hash when it is different from orig.
625         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
626         * cgraph.h (cgraph_clone_node): Update prototype.
627         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
628         (lto_cgraph_encoder_delete): Delete body map.
629         (lto_cgraph_encoder_size): Move to header.
630         (lto_cgraph_encoder_encode_body_p,
631         lto_set_cgraph_encoder_encode_body): New.
632         (lto_output_node): Do not take written_decls argument; output clone_of
633         pointer.
634         (add_node_to): Add include_body_argument; call
635         lto_set_cgraph_encoder_encode_body on master of the clone.
636         (add_references): Update use of add_node_to.
637         (compute_ltrans_boundary): Likewise.
638         (output_cgraph): Do not create written_decls bitmap.
639         (input_node): Take nodes argument; stream in clone_of correctly.
640         (input_cgraph_1): Update use of input_node.
641         * lto-streamer-out.c (lto_output): Use encoder info to decide
642         what bodies to output.
643         * ipa-inline.c (cgraph_clone_inlined_nodes,
644         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
645         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
646         (lto_cgraph_encoder_size): Define here.
647         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
648         Declare.
649
650 2010-05-16  Richard Guenther  <rguenther@suse.de>
651
652         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
653         -fipa-type-escape.
654         * ipa-type-escape.c (gate_type_escape_vars): Run when
655         -fipa-struct-reorg runs.
656         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
657         * common.opt (fipa-type-escape): Remove.
658
659 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
660
661         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
662         (decode_options): Likewise.
663         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
664
665 2010-05-16  Jan Hubicka  <jh@suse.cz>
666
667         * ipa.c (function_and_variable_visibility): Also bring local all
668         aliases.
669
670 2010-05-16  Richard Guenther  <rguenther@suse.de>
671
672         * alias.c (nonoverlapping_memrefs_p): Remove use of
673         IPA type-escape information.
674
675 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
676
677         * c-common.c (c_common_reswords): Add _Static_assert for C.
678         * c-parser.c (c_token_starts_declaration,
679         c_parser_next_token_starts_declaration,
680         c_parser_static_assert_declaration_no_semi,
681         c_parser_static_assert_declaration): New.
682         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
683         Handle static assertions if static_assert_ok.
684         (c_parser_external_declaration, c_parser_declaration_or_fndef,
685         c_parser_compound_statement_nostart, c_parser_label,
686         c_parser_for_statement, c_parser_objc_methodprotolist,
687         c_parser_omp_for_loop): All callers of
688         c_parser_declaration_or_fndef changed.
689         (c_parser_struct_declaration): Handle static assertions.
690         (c_parser_compound_statement_nostart): Use
691         c_parser_next_token_starts_declaration and
692         c_token_starts_declaration to detect start of declarations.
693         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
694         Likewise.
695
696 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
697
698         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
699         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
700         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
701         TARGET_FUNCTION_VALUE_REGNO_P): Define.
702         (mmix_function_outgoing_value): Rename to...
703         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
704         (mmix_function_value_regno_p): Make static.
705         (mmix_libcall_value): New function.
706         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
707         mmix_function_value_regno_p): Remove declaration.
708
709 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
710
711         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
712         BUILT_IN_ALLOCA if stack checking is enabled.
713
714 2010-05-16  Richard Guenther  <rguenther@suse.de>
715
716         * var-tracking.c (vars_copy_1): Inline ...
717         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
718         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
719         (variable_merge_over_cur): Adjust.  Merge asserts.
720         (variable_merge_over_src): Likewise.
721         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
722         (variable_post_merge_new_vals): Merge asserts.
723         (variable_post_merge_perm_vals): Likewise.
724         (find_mem_expr_in_1pdv): Likewise.
725         (dataflow_set_different_value): Remove.
726         (onepart_variable_different_p): Merge asserts.
727         (variable_different_p): Likewise.
728         (dataflow_set_different_1): Inline ...
729         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
730         (emit_notes_for_differences_1): Merge asserts.
731
732 2010-05-16  Richard Guenther  <rguenther@suse.de>
733
734         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
735         * optabs.c (libfunc_decl_hash): Likewise.
736         * varasm.c (emutls_decl): Likewise.
737
738 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
739
740         * c-decl.c: Don't include gimple.h.
741         (merge_decls): Do not copy gimple_body.
742
743 2010-05-15  Jason Merrill  <jason@redhat.com>
744
745         * c.opt: Add -fnothrow-opt.
746
747 2010-05-15  Jan Hubicka  <jh@suse.cz>
748
749         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
750         analyzed.
751         * passes.c (ipa_write_summaries): Write all analyzed nodes.
752
753 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
754
755         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
756         * Makefile.in: Add it.
757         Fix all other Makefile dependencies for changes below.
758         * tree.h: Include it instead of defining VEC primitives here.
759         * gimple.h: Likewise.
760         * rtl.h: Likewise.
761         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
762         * except.h: Include vecir.h, break dependence on tree.h.
763
764         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
765         Move from here...
766         * tree-iterator.c: ...to here.
767         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
768
769         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
770         tm_p.h.
771         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
772         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
773         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
774         tree-mudflap.h, and target.h.
775         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
776         predict.h, tree-inline.h, gimple.h, and langhooks.h.
777         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
778         Add FIXME for why gimple.h is still included (should be unnecessary
779         since GCC 4.5 gimplification unit-at-a-time).
780         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
781         * c-pragma.c: Add FIXME for why function.h needs to be included just
782         for cfun, at front-end level.
783         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
784         Do not include ggc.h, but include vecprim.h for VEC(char).
785         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
786         Explain why target.h is included.
787         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
788         Explain why gimple.h is included.
789         * c-ppoutput.c: Do not include tm.h.
790         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
791         * c-parses.c: Explain why rtl.h is included, and that this (and only
792         this) is also why tm.h must be included.
793         Do not include except.h.
794         * c-lang.c: Do not include ggc.h.
795
796 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
797
798         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
799
800 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
801
802         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
803         unions by default if those structs and unions have no tags.  Do
804         not condition anonymous struct and unions handling on flag_iso.
805         Allow anonymous structs and unions for C1X.
806         (finish_struct): Do not diagnose lack of named fields when
807         anonymous structs and unions present for C1X.  Accept flexible
808         array members in structure with anonymous structs or unions but no
809         directly named fields.
810         * doc/extend.texi (Unnamed Fields): Update.
811
812 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
813
814         * gimple.h (compare_field_offset): Rename into...
815         (gimple_compare_field_offset): ...this.
816         * gimple.c (compare_field_offset): Rename into...
817         (gimple_compare_field_offset): ...this.  Compare the full access if
818         the offset is self-referential.
819         (gimple_types_compatible_p): Adjust for above renaming.
820         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
821         DECL_NONADDRESSABLE_P flag of fields before merging them.
822
823 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
824
825         * tree.h (ctor_to_list): Delete.
826         * tree.c (ctor_to_list): Delete.
827
828 2010-05-15  Jan Hubicka  <jh@suse.cz>
829
830         * ipa-reference.c: Include toplev.h
831         (is_proper_for_analysis): Only add to all_module_statics
832         if it is allocated.
833         (write_node_summary_p, stream_out_bitmap,
834         ipa_reference_write_optimization_summary,
835         ipa_reference_read_optimization_summary): New.
836         (struct ipa_opt_pass_d pass_ipa_reference): Add
837         optimization summary streaming.
838         * lto-cgraph.c (referenced_from_this_partition_p,
839         reachable_from_this_partition_p): New functions.
840         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
841         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
842         * opts.c (decode_options): Enable ipa_reference.
843         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
844         * lto-streamer.h (referenced_from_this_partition_p,
845         reachable_from_this_partition_p): Declare.
846
847 2010-05-15  Richard Guenther  <rguenther@suse.de>
848
849         PR tree-optimization/44038
850         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
851         taking the address of a V_C_E of a constant.
852
853 2010-05-14  Jan Hubicka  <jh@suse.cz>
854
855         * tree.h (memory_identifier_string): Remove.
856         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
857         (ipa_reference_global_vars_info_d): Remove statics_not_read and
858         statics_not_written.
859         (ipa_reference_optimization_summary_d): New structure.
860         (ipa_reference_optimization_summary_t): New type and vector.
861         (ipa_reference_vars_info_d): Embedd structures instead of using
862         pointers.
863         (reference_vars_to_consider): Remove out of GGC space.
864         (module_statics_escape): Remove.
865         (global_info_obstack): Rename to ...
866         (optimization_summary_obstack): ... this one.
867         (initialization_status_t): Remove.
868         (memory_identifier_string): Remove.
869         (get_reference_vars_info): Fix indenting.
870         (set_reference_vars_info): Likewise.
871         (get_reference_optimization_summary): New.
872         (set_reference_optimization_summary): New.
873         (get_global_reference_vars_info): Remove.
874         (ipa_reference_get_read_global): Remove.
875         (ipa_reference_get_written_global): Remove.
876         (ipa_reference_get_not_read_global): Update.
877         (ipa_reference_get_not_written_global): Update.
878         (is_proper_for_analysis): Outlaw addressable.
879         (propagate_bits): Update for new datastructures.
880         (analyze_variable): Remove.
881         (init_function_info): Update for new datastructures.
882         (clean_function_local_data): Remove.
883         (clean_function): Remove.
884         (copy_global_bitmap): Use optimizations_summary_obstack.
885         (duplicate_node_data): Duplicate optimization summary only.
886         (remove_node_data): Remove optimization summary only.
887         (generate_summary): Do not analyze variables; do not compute
888         module_statics_escape; do not prune solutions by it.
889         (read_write_all_from_decl): Fix typos in comments.
890         (propagate): Doscover readonly and nonaddressable first;
891         update for new datastructures; share global bitmaps.
892         * ipa-reference.h (ipa_reference_get_read_global,
893         ipa_reference_get_written_global): Remove.
894         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
895         * Makefile.in: Remove ipa-refereference from GT files.
896
897 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
898
899         PR debug/44112
900         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
901         for all SYMBOL_REF_DECLs.
902
903 2010-05-14  Jan Hubicka  <jh@suse.cz>
904
905         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
906         (varpool_all_refs_explicit_p): New inline function.
907         * ipa-reference.c: Update comment.
908         (module_statics_written): Remove.
909         (get_static_decl): Remove.
910         (ipa_init): Do not initialize module_statics_written.
911         (analyze_function): Likewise.
912         (generate_summary): Likewise; do not compute module_statics_readonly
913         and do not update variable flags.
914         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
915         * ipa.c: Inlucde flags.h
916         (cgraph_local_node_p): New.
917         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
918         promote functions to local.
919         (ipa_discover_readonly_nonaddressable_vars): New function.
920         (function_and_variable_visibility): Use cgraph_local_node_p.
921         * varpool.c (varpool_finalize_decl): Set force_output for
922         DECL_PRESERVE_P vars.
923
924 2010-05-14  Jan Hubicka  <jh@suse.cz>
925
926         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
927
928 2010-05-14  Richard Guenther  <rguenther@suse.de>
929
930         PR tree-optimization/44119
931         * tree-ssa-pre.c (eliminate): Properly mark replacement of
932         a PHI node necessary.
933
934 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
935
936         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
937
938 2010-05-14  Jason Merrill  <jason@redhat.com>
939
940         PR c++/44127
941         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
942         (gimple_call_set_nothrow): New.
943         * gimple.c (gimple_build_call_from_tree): Call it.
944         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
945
946         PR c++/44127
947         * gimplify.c (gimplify_seq_add_stmt): No longer static.
948         * gimple.h: Declare it.
949         * gimple.c (gimple_build_eh_filter): No ops.
950
951 2010-05-14  Jan Hubicka  <jh@suse.cz>
952
953         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
954         nodes already in queue.
955         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
956         re-enqueueing node.
957
958 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
959
960         PR debug/44136
961         * cfgexpand.c (expand_debug_expr): If non-memory op0
962         has BLKmode, return NULL.
963
964 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
965
966         * config.gcc: Add support for --with-cpu option for bdver1.
967         * config/i386/i386.h (TARGET_BDVER1): New macro.
968         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
969         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
970         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
971         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
972         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
973         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
974         (processor_type): Add PROCESSOR_BDVER1.
975         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
976         processor_type in config/i386/i386.h.
977         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
978         movaps <reg, reg> instead of movapd <reg, reg> when replacing
979         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
980         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
981         to emit packed xor instead of packed double/packed integer
982         xor for SSE and AVX when moving a zero value.
983         * config/i386/sse.md: Add check for
984         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
985         movapd/movdqa for SSE and AVX.
986         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
987         single logical operations i.e and, or and xor instead of packed double
988         logical operations for SSE and AVX.
989         * config/i386/i386-c.c (ix86_target_macros_internal):
990         Add PROCESSOR_BDVER1.
991         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
992         (has_fma4, has_xop): New.
993         * config/i386/i386.c (bdver1_cost): New variable.
994         (m_BDVER1): New macro.
995         (m_AMD_MULTIPLE): Add m_BDVER1.
996         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
997         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
998         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
999         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
1000         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
1001         x86_tune_sse_partial_reg_dependency,
1002         x86_tune_sse_unaligned_load_optimal,
1003         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
1004         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
1005         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
1006         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
1007         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
1008         Enable/disable for bdver1.
1009         (processor_target_table): Add bdver1_cost.
1010         (cpu_names): Add bdver1.
1011         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
1012          processor_alias_table.
1013         (ix86_expand_vector_move_misalign): Change.
1014         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
1015         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
1016         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
1017         of movupd/movdqu for SSE and AVX.
1018         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
1019         (ix86_tune_adjust_cost): Add code for bdver1.
1020         (standard_sse_constant_opcode): Add check for
1021         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
1022         of packed double xor for SSE and AVX.
1023
1024 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
1025
1026         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
1027         result to unsigned.
1028
1029 2010-05-14  Tristan Gingold  <gingold@adacore.com>
1030
1031         * toplev.c (default_debug_hooks): Remove this variable.
1032         (process_options): Remove assignments to default_debug_hooks.
1033
1034 2010-05-14  Martin Jambor  <mjambor@suse.cz>
1035
1036         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
1037         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
1038         * langhooks.h (struct lang_hooks_for_decls): Removed field
1039         fold_obj_type_ref.
1040         * tree.c (free_lang_data): Remove assignment to
1041         lang_hooks.fold_obj_type_ref.
1042         * tree.def (OBJ_TYPE_REF): Update comment.
1043
1044 2010-05-14  Richard Guenther  <rguenther@suse.de>
1045
1046         PR tree-optimization/44124
1047         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
1048
1049 2010-05-14  Alan Modra  <amodra@gmail.com>
1050
1051         PR target/44075
1052         * config/rs6000/rs6000.c (struct machine_function): Reorder
1053         fields for better packing.  Add lr_save_state.
1054         (rs6000_ra_ever_killed): Return lr_save_state if set.
1055         (rs6000_emit_eh_reg_restore): Set lr_save_state.
1056
1057 2010-05-13  Jan Hubicka  <jh@suse.cz>
1058
1059         * varpool.c (decide_is_variable_needed): Drop code checking
1060         TREE_SYMBOL_REFERENCED.
1061
1062 2010-05-13  Jan Hubicka  <jh@suse.cz>
1063
1064         * final.c (output_addr_const): Do not call mark_decl_referenced.
1065         * cgraphunit.c (process_function_and_variable_attributes): Use
1066         mark_needed_node dirrectly.
1067         (assemble_thunk): Do not call mark_decl_referenced.
1068
1069 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
1070
1071         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
1072
1073 2010-05-13  Jeff Law  <law@redhat.com>
1074
1075         * ira-conflicts.c (print_allocno_conflicts): New function broken out
1076         from...
1077         (print_conflicts): Call print_allocno_conflicts.
1078
1079 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR debug/44104
1082         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
1083         if it is NULL.
1084
1085 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
1086
1087         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
1088         t-mingw-w64 or t-mingw-w32 for multilib configuration.
1089         * config/i386/t-mingw-w32: New.
1090         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
1091
1092 2010-05-13  Martin Jambor  <mjambor@suse.cz>
1093
1094         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
1095         gimple-fold.c).
1096         * gimple-fold.c (get_base_binfo_for_type): New function.
1097         (gimple_get_relevant_ref_binfo): Likewise.
1098         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1099         (gimple_fold_obj_type_ref): Likewise.
1100         (fold_gimple_call): Simplify condition for folding virtual calls
1101         and call gimple_fold_obj_type_ref.
1102         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
1103         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1104
1105 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
1106
1107         * config/rs6000/rs6000-protos.h
1108         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
1109         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
1110         (rs6000_debug_mode_dependent_address)
1111         (rs6000_mode_dependent_address_ptr): Likewise.
1112
1113 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR debug/43983
1116         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
1117         by SRA.
1118         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
1119         * tree-sra.c (create_access_replacement): Call unshare_expr before
1120         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
1121         * dwarf2out.c: Include tree-flow.h.
1122         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
1123         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
1124         Handle DW_OP_bit_piece.
1125         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
1126         construct_piece_list, adjust_piece_list): New functions.
1127         (add_var_loc_to_decl): Handle SRA optimized variables.
1128         Adjust for var_loc_note to loc field renaming.
1129         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
1130         in VAR_LOCATION note.
1131         (new_loc_descr_op_bit_piece): New function.
1132         (dw_sra_loc_expr): New function.
1133         (dw_loc_list): Use it.  Don't handle the last range after the
1134         loop, handle it inside of the loop.  Adjust for var_loc_note
1135         to loc field renaming.
1136         (add_location_or_const_value_attribute): Only special case
1137         single entry loc lists if loc is NOTE_P.  Adjust for
1138         var_loc_note to loc field renaming.
1139         (dwarf2out_var_location): Don't set newloc->var_loc_note
1140         and newloc->next here.
1141
1142 2010-05-12  Jan Hubicka  <jh@suse.cz>
1143
1144         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
1145         flag.
1146         * cgraph.h (cgraph_only_called_directly_p,
1147         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
1148         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
1149         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
1150         (assemble
1151         * ipa.c (cgraph_remove_unreachable_nodes): Use
1152         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
1153         flags.
1154         * tree-inline.c (copy_bb): Check address_taken flag.
1155         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
1156         externally_visible flag.
1157
1158 2010-05-12  Jason Merrill  <jason@redhat.com>
1159
1160         PR bootstrap/44048
1161         PR target/44099
1162         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
1163         * sdbout.c (plain_type_1): Likewise.
1164         * dwarf2out.c (is_base_type): Likewise.
1165         (gen_type_die_with_usage): Likewise.  Generate
1166         DW_TAG_unspecified_type for any LANG_TYPE.
1167
1168 2010-05-12  Jan Hubicka  <jh@suse.cz>
1169
1170         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1171         indrect edges too.
1172         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1173         (cgraph_clone_edge): Update.
1174         (cgraph_node_remove_callees): Remove indirect calls too.
1175         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1176         (cgraph_create_indirect_edge): Update prototype.
1177         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1178         is_proper_for_analysis.
1179         (add_new_function, visited_nodes, function_insertion_hook_holder,
1180         get_local_reference_vars_info, mark_address_taken, mark_address,
1181         mark_load, mark_store, check_asm_memory_clobber, check_call,
1182         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1183         (ipa_init): Do not initialize visited_nodes;
1184         function_insertion_hook_holder.
1185         (analyze_variable): Rewrite.
1186         (analyze_function): Rewrite.
1187         (copy_local_bitmap): Remove.
1188         (duplicate_node_dat): Do not duplicate local info.
1189         (generate_summary): Simplify to only walk cgraph.
1190         (write_node_summary_p, ipa_reference_write_summary,
1191         ipa_reference_read_summary): Remove.
1192         (propagate): Do not remove function insertion;
1193         generate summary.
1194         (pass_ipa_reference): NULLify summary handling fields.
1195         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1196         (input_edge): Input ecf_flags.
1197         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1198         (update_indirect_edges_after_inlining): Ignore edges with unknown
1199         param.
1200
1201 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
1202
1203         * implicit-zee.c: New file.
1204         * tree-pass.h (pass_implicit_zee): Declare.
1205         * passes.c (init_optimization_passes): Add zee pass.
1206         * common.opt (fzee): New flag.
1207         * timevar.def (TV_ZEE): Define.
1208         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1209         and beyond.
1210         * Makefile.in (implicit-zee.o): Add new build file.
1211
1212 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1213             Nathan Froyd  <froydnj@codesourcery.com>
1214
1215         * c-common.c (sync_resolve_params): Remove write-only variable.
1216
1217 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
1218
1219         * target.h (struct gcc_target): Add mode_dependent_address_p field.
1220         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1221         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1222         * targhooks.c (default_mode_dependent_address_p): New function.
1223         * targhooks.h (default_mode_dependent_address_p): Declare function.
1224         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1225         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
1226         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
1227         target hook. Change return type to bool.
1228         * recog.h: (mode_dependent_address_p): Change return type to bool.
1229
1230 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1231             Nathan Froyd  <froydnj@codesourcery.com>
1232
1233         * tree-mudflap.c (build_function_type_0, build_function_type_1,
1234         build_function_type_2, build_function_type_3): Remove.
1235         (mudflap_init): Use build_function_type_list.
1236
1237 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1238             Nathan Froyd  <froydnj@codesourcery.com>
1239
1240         * coverage.c (build_fn_info_value): Call build_constructor instead of
1241         build_constructor_from_list.
1242         (build_ctr_info_value): Likewise.
1243         (build_gcov_info): Likewise.
1244
1245 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
1246
1247         * tree.c (build_constructor): Compute TREE_CONSTANT for the
1248         resultant constructor.
1249         (build_constructor_single): Don't set TREE_CONSTANT.
1250         (build_constructor_from_list): Don't compute TREE_CONSTANT.
1251
1252 2010-05-12  Jan Hubicka  <jh@suse.cz>
1253
1254         * cgraph.h (struct varpool_node): Add aux.
1255         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
1256         * varpool.c (varpool_remove_node): Do not remove initializer.
1257         (varpool_reset_queue): Export.
1258         (varpool_finalize_decl): Volatile vars are forced to be output.
1259         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
1260         replaced decl.
1261         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
1262         process_references, varpool_can_remove_if_no_refs): New functions.
1263         (cgraph_remove_unreachable_nodes): Handle variables too.
1264
1265 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1266
1267         PR target/44088
1268         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
1269
1270 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
1271
1272         PR middle-end/44085
1273         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
1274         change value of ORT_TASK.
1275         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
1276         (omp_notice_threadprivate_variable): New function.
1277         (omp_notice_variable): Call it for threadprivate variables.
1278         If enclosing ctx is a task, print enclosing task rather than
1279         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
1280         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
1281         if task has untied clause.
1282
1283         PR debug/42278
1284         * dwarf2out.c (base_type_die): Don't add name attribute here.
1285         (modified_type_die): Instead of sizetype use
1286         its underlying original type.  If a DW_TAG_base_type doesn't
1287         have name added, add __unknown__.
1288         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
1289         always call force_type_die instead.
1290
1291 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
1292
1293         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
1294         for __stack_chk_guard.
1295
1296 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1297
1298         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
1299         don't call start_source_file debug hook here...
1300         (finish_options): ... but here, after outputting predefined and
1301         command line defines and undefs.
1302
1303         PR middle-end/44071
1304         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
1305         no fallthru edge.
1306         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
1307         optimizing away empty bb with no successors, move over its
1308         footer chain to fallthru predecessor.
1309         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
1310         (rtl_split_edge): For asm goto call patch_jump_insn even if
1311         splitting fallthru edge.
1312
1313         PR c++/44059
1314         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1315         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1316         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1317         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1318         on DW.ref.* decls.
1319
1320         PR c++/44062
1321         * c-parser.c (c_parser_expression): Mark LHS of a comma
1322         expression as read if it is a decl, handled component or
1323         COMPOUND_EXPR with that on the RHS.
1324         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1325         if it is a decl or handled component.
1326
1327 2010-05-11  Jan Hubicka  <jh@suse.cz>
1328
1329         * lto-symtab.c (lto_symtab_free): New function.
1330         * lto-streamer.h (lto_symtab_free): Declare.
1331
1332 2010-05-11  Jan Hubicka  <jh@suse.cz>
1333
1334         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1335         that if function is needed it is reachable.
1336         (lto_output_node): See if it the function is reachable or referenced.
1337         (output_cgraph): Update call of lto_output_node.
1338         * lto-streamer.h (reachable_from_other_partition_p): Declare.
1339
1340 2010-05-11  Jan Hubicka  <jh@suse.cz>
1341
1342         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1343         Mark as used.
1344
1345 2010-05-11  Jan Hubicka  <jh@suse.cz>
1346
1347         PR tree-optimize/44063
1348         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1349         queue.
1350         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1351         limits.
1352         (estimate_function_body_sizes): Compute sizes even when disregarding.
1353
1354 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
1355
1356         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1357
1358 2010-05-11  Jan Hubicka  <jh@suse.cz>
1359
1360         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1361         into every boundary.
1362
1363 2010-05-11  Jan Hubicka  <jh@suse.cz>
1364
1365         * matrix-reorg.c (matrix_reorg): Rebuild edges.
1366
1367 2010-05-11  Jan Hubicka  <jh@suse.cz>
1368
1369         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1370         lto_streamer_cache_delete): Put nodes into heap.
1371         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1372         heap.
1373
1374 2010-05-11  Jan Hubicka  <jh@suse.cz>
1375
1376         * cgraphbuild.c (cgraph_rebuild_references): New.
1377         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1378         out extern inlines.
1379         * cgraph.h (cgraph_rebuild_references): Declare.
1380         * tree-inline.c (tree_function_versioning): Use it.
1381         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1382
1383 2010-05-11  Jan Hubicka  <jh@suse.cz>
1384
1385         * cgraph.c: Include ipa-utils.h
1386         (cgraph_create_virtual_clone): Update references.
1387         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1388
1389 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1390
1391         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1392         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1393         cache size.
1394
1395 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1396
1397         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1398
1399 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1400
1401         * gcc.c (execute): For -### don't quote arguments that
1402         contain just alphanumerics and _/-. characters.
1403         * doc/invoke.texi: Document that change for -###.
1404
1405         PR debug/44023
1406         * df-problems.c (struct dead_debug): Add to_rescan field.
1407         (dead_debug_init): Clear to_rescan field.
1408         (dead_debug_finish): Rescan all debug insns in to_rescan
1409         bitmap and free the bitmap.
1410         (dead_debug_insert_before): Instead of rescanning debug insns
1411         immediately queue their rescanning until dead_debug_finish.
1412         (df_note_bb_compute): After dead_debug_add do continue instead
1413         of break.
1414
1415 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1416
1417         PR debug/44028
1418         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1419         clear also INSN_REG_USE_LIST.
1420
1421 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1422
1423         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1424
1425 2010-05-10  Jan Hubicka  <jh@suse.cz>
1426
1427         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1428         commited change.
1429
1430 2010-05-10  Jan Hubicka  <jh@suse.cz>
1431
1432         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1433         Allocate encoders.
1434         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1435         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1436         (lto_streamer_cache_create): Init alloc pool.
1437         (lto_streamer_cache_delete): Free alloc pool.
1438         * lto-streamer.h: Include alloc pool.
1439         (lto_streamer_cache_d): Use alloc pool.
1440         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1441
1442 2010-05-10  Jan Hubicka  <jh@suse.cz>
1443
1444         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1445         * cgraphbuild.c: Include except.h
1446         (record_type_list, record_eh_tables): New function.
1447         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1448
1449 2010-05-10  Jan Hubicka  <jh@suse.cz>
1450
1451         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1452         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1453         rather than unused.
1454
1455 2010-05-10  Michael Matz  <matz@suse.de>
1456
1457         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1458         (can_reassociate_p): Use FLOAT_TYPE_P.
1459         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1460         (vect_force_simple_reduction): ... this.
1461         * tree-parloops.c (gather_scalar_reductions): Use
1462         vect_force_simple_reduction.
1463         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1464         vect_is_simple_reduction, add modify argument, if true rewrite
1465         "a-b" into "a+(-b)".
1466         (vect_is_simple_reduction, vect_force_simple_reduction): New
1467         functions.
1468         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1469
1470 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1471             Vladimir Makarov  <vmakarov@redhat.com>
1472
1473         PR rtl-optimization/44012
1474         * ira-build.c (remove_unnecessary_allocnos): Nullify
1475         regno_allocno_map of the removed allocno.
1476
1477 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1478
1479         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1480         to /dev/null.
1481         * configure: Regenerate.
1482
1483 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1484
1485         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1486         unused.
1487         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1488         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1489         support in Sun ld.
1490         * configure: Regenerate.
1491
1492 2010-05-10  Richard Guenther  <rguenther@suse.de>
1493
1494         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1495         marked if the entry identifier is marked.
1496
1497 2010-05-10  Richard Guenther  <rguenther@suse.de>
1498
1499         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1500         (handle_fnspec_attribute): New function.
1501         * gimple.h (gimple_call_return_flags): Declare.
1502         (gimple_call_arg_flags): Likewise.
1503         * gimple.c (gimple_call_arg_flags): New function.
1504         (gimple_call_return_flags): Likewise.
1505         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1506         New argument flags.
1507         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1508         return value flags.
1509         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1510         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1511         main work to ...
1512         (make_heapvar_for): ... this new function.
1513         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1514         (handle_lhs_call): Likewise.
1515         (find_func_aliases): Adjust.
1516
1517 2010-05-10  Richard Guenther  <rguenther@suse.de>
1518
1519         PR tree-optimization/44050
1520         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1521
1522 2010-05-10  Wei Guozhi  <carrot@google.com>
1523
1524         PR target/42879
1525         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1526
1527 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1528
1529         PR c/10676
1530         * c-typeck.c (lookup_field): Take a type directly.  Update
1531         recursive calls.
1532         (build_component_ref): Update call to lookup_field.
1533         (set_init_label): Use lookup_field to find initialized field.
1534         Handle returned list of fields like a sequence of designators.
1535
1536 2010-05-09  Richard Guenther  <rguenther@suse.de>
1537
1538         PR middle-end/44024
1539         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1540         handle &FUNCTION_DECL.
1541
1542 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1543
1544         PR c/4784
1545         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1546         structures and unions recursively.
1547         (detect_field_duplicates): Move duplicate detection with a hash to
1548         detect_field_duplicates_hash.  Always use a hash if anonymous
1549         structures or unions are present.
1550         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1551         give errors.
1552
1553 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1554
1555         PR target/44046
1556         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1557         detect Atom, Core 2 and Core i7.
1558
1559 2010-05-09  Richard Guenther  <rguenther@suse.de>
1560
1561         * gcc.c (store_arg): Handle temporary file deletion for
1562         joined arguments.
1563
1564 2010-05-09  Richard Guenther  <rguenther@suse.de>
1565
1566         PR middle-end/44043
1567         * ipa-inline.c (estimate_function_body_sizes): Return after
1568         disregarding inline limits.
1569
1570 2010-05-09  Richard Guenther  <rguenther@suse.de>
1571
1572         * gcc.c (store_arg): Revert last change.
1573
1574 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1575
1576         PR middle-end/28685
1577         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1578         (optimize_ops_list): Call it.
1579
1580 2010-05-08  Richard Guenther  <rguenther@suse.de>
1581
1582         PR tree-optimization/44030
1583         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1584         NECESSARY flag if we propagate from a inserted expression.
1585
1586 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1589         domain types as equal if they are both PLACEHOLDER_EXPRs.
1590
1591 2010-05-08  Richard Guenther  <rguenther@suse.de>
1592
1593         * lto-wrapper.c (run_gcc): Remove linker output from
1594         command line for LTRANS invocation.
1595
1596 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1597
1598         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1599         lto-macho as lto_binary_reader.
1600         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1601         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1602         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1603         in lto_start and lto_end calls.
1604         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1605         magic numbers.
1606         (scan_prog_file): Update is_elf_or_coff call.
1607         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1608
1609         * collect2.c (main): Fix enum comparison.
1610
1611         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1612         Add prototypes.
1613         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1614         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1615         and TARGET_ASM_LTO_END.
1616         * darwin.c: Include obstack.h and lto-streamer.h.
1617         (lto_section_names_offset, lto_section_names_obstack,
1618         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1619         global variables.
1620         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1621         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1622         to a temporary file.
1623         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1624         (darwin_asm_named_section): For LTO sections, replace the name with
1625         the offset of the section name in a string table, and build this
1626         table.
1627         (darwin_file_start): Initialize global vars for LTO support.
1628         (darwin_file_end): If output to asm_out_file was redirected, append it
1629         to the proper asm_out_file here.  Add the section names section.
1630
1631 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1632
1633         * c-pragma.c (pending_weak_d, pending_weak): New.
1634         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1635         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1636         handle_pragma_weak): Update the uses of pending_weaks.
1637
1638 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1639
1640         PR documentation/44016
1641         * doc/standards.texi (Standards): Link to unversioned
1642         cxx0x_status.html page.
1643
1644 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1645
1646         PR target/43708
1647         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1648         in addition to TREE_USED, to avoid "set but unused" warnings.
1649
1650 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1651
1652         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1653         (is_loop_prefetching_profitable): Do not insert prefetches
1654         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1655         times the prefetch ahead distance.
1656
1657 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1658
1659         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1660         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1661         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1662         the unroll_factor.
1663
1664 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1665
1666         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1667         a diagnostic info when the insn-to-mem ratio is too small.
1668
1669 2010-05-07  Richard Guenther <rguenther@suse.de>
1670
1671         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1672         the linker plugin.
1673         (store_arg): Queue temp_filename for deletion instead of
1674         the whole argument.
1675
1676 2010-05-07  Richard Guenther  <rguenther@suse.de>
1677
1678         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1679         (run_gcc): Handle LTRANS phase invocation.
1680         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1681
1682 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1683
1684         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1685         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1686
1687 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1688
1689         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1690
1691 2010-05-07  Richard Guenther  <rguenther@suse.de>
1692
1693         PR tree-optimization/44020
1694         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1695         code when PRE is not yet initialized.
1696
1697 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1698
1699         * config/mips/dbxmdebug.h: Remove.
1700         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1701
1702 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1703
1704         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1705         with null pointer and also warn about ordered comparison of zero with
1706         pointer if -Wextra.
1707
1708 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1709
1710         * graphite-blocking.c
1711         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1712         * graphite-clast-to-gimple.c
1713         (clast_to_gcc_expression): Same.
1714         (precision_for_value): Same.
1715         (precision_for_interval): Same.
1716         (gcc_type_for_interval): Same.
1717         (graphite_create_new_guard): Same.
1718         (compute_bounds_for_level): Same.
1719         (graphite_create_new_loop_guard): Same.
1720         * graphite-interchange.c
1721         (build_linearized_memory_access): Same.
1722         (pdr_stride_in_loop): Same.
1723         (memory_strides_in_loop_1): Same.
1724         (memory_strides_in_loop): Same.
1725         (extend_scattering): Same.
1726         (psct_scattering_dim_for_loop_depth): Same.
1727         (pbb_number_of_iterations): Same.
1728         * graphite-poly.h
1729         (debug_iteration_domains): Same.
1730         * graphite-ppl.c
1731         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1732         (ppl_set_inhomogeneous_gmp): Same.
1733         (ppl_strip_loop): Same.
1734         (ppl_lexico_compare_linear_expressions): Same.
1735         (ppl_read_polyhedron_matrix): Same.
1736         (ppl_max_for_le_pointset): Same.
1737         * graphite-ppl.h
1738         (ppl_read_polyhedron_matrix): Same.
1739         (tree_int_to_gmp): Same.
1740         (gmp_cst_to_tree): Same.
1741         (ppl_set_inhomogeneous): Same.
1742         (ppl_set_inhomogeneous_tree): Same.
1743         (ppl_set_coef): Same.
1744         (ppl_set_coef_tree): Same.
1745         * graphite-sese-to-poly.c
1746         (build_pbb_scattering_polyhedrons): Same.
1747         (build_scop_scattering): Same.
1748         (scan_tree_for_params_right_scev): Same.
1749         (scan_tree_for_params): Same.
1750         (find_params_in_bb): Same.
1751         (find_scop_parameters): Same.
1752         (add_upper_bounds_from_estimated_nit): Same.
1753         (build_loop_iteration_domains): Same.
1754         (add_condition_to_domain): Same.
1755         (pdr_add_memory_accesses): Same.
1756
1757 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1758
1759         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1760         CLooG's value_* macros to their respective mpz_* counterparts.
1761         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1762         (graphite_create_new_loop_guard): Same.
1763         * graphite-interchange.c (build_linearized_memory_access): Same.
1764         (pdr_stride_in_loop): Same.
1765         (memory_strides_in_loop_1): Same.
1766         (1st_interchange_profitable_p): Same.
1767         * graphite-poly.c (extend_scattering): Same.
1768         (psct_scattering_dim_for_loop_depth): Same.
1769         (pbb_number_of_iterations): Same.
1770         (pbb_number_of_iterations_at_time): Same.
1771         * graphite-poly.h (new_1st_loop): Same.
1772         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1773         (oppose_constraint): Same.
1774         (insert_constraint_into_matrix): Same.
1775         (ppl_set_inhomogeneous_gmp): Same.
1776         (ppl_set_coef_gmp): Same.
1777         (ppl_strip_loop): Same.
1778         (ppl_lexico_compare_linear_expressions): Same.
1779         (ppl_max_for_le_pointset): Same.
1780         (ppl_min_for_le_pointset): Same.
1781         (ppl_build_realtion): Same.
1782         * graphite-ppl.h (gmp_cst_to_tree): Same.
1783         (ppl_set_inhomogeneous): Same.
1784         (ppl_set_inhomogeneous_tree): Same.
1785         (ppl_set_coef): Same.
1786         (ppl_set_coef_tree): Same.
1787         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1788         (build_scop_scattering): Same.
1789         (add_value_to_dim): Same.
1790         (scan_tree_for_params_right_scev): Same.
1791         (scan_tree_for_params_int): Same.
1792         (scan_tree_for_params): Same.
1793         (find_params_in_bb): Same.
1794         (find_scop_parameters): Same.
1795         (add_upper_bounds_from_estimated_nit): Same.
1796         (build_loop_iteration_domains): Same.
1797         (create_linear_expr_from_tree): Same.
1798         (add_condition_to_domain): Same.
1799         (pdr_add_memory_accesses): Same.
1800
1801 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1802             Jason Merrill  <jason@redhat.com>
1803
1804         * c-common.c (c_common_reswords): Add nullptr.
1805         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1806         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1807         (gen_type_die_with_usage): Likewise.
1808         * dbxout.c (dbxout_type): Likewise.
1809         * sdbout.c (plain_type_1): Likewise.
1810
1811 2010-05-06  Jason Merrill  <jason@redhat.com>
1812
1813         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1814         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1815         ret appropriately.
1816         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1817
1818         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1819         stripping WITH_SIZE_EXPR.
1820         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1821         change.
1822
1823 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1824
1825         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1826         list of obsolete configurations.
1827         Disabled check for obsolete configurations.
1828         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1829         Removed support for previous versions.
1830         * config/mips/iris.h: Removed.
1831         * config/mips/iris5.h: Removed.
1832         * config/mips/iris6.h: Merged old iris.h contents.
1833         (TARGET_IRIX): Removed.
1834         (DRIVER_SELF_SPECS): Removed mabi=32.
1835         (IDENT_ASM_OP): Removed undef.
1836         (STARTFILE_SPEC): Removed mabi=32.
1837         (ENDFILE_SPEC): Likewise.
1838         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1839         (MACHINE_TYPE): Update for IRIX 6.5.
1840         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1841         TARGET_IRIX by TARGET_IRIX6.
1842         (mips_file_start): Likewise.
1843         (mips_output_external): Remove IRIX 5/6 O32 support.
1844         (mips_output_function_prologue): Likewise.
1845         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1846         TARGET_IRIX6.
1847         (TARGET_CPU_CPP_BUILTINS): Likewise.
1848         (TARGET_IRIX): Removed.
1849         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1850         (MULTILIB_DIRNAMES): Removed 32.
1851         (MULTILIB_OSDIRNAMES): Removed ../lib.
1852         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1853         (Specific, mips-sgi-irix5): Document removal.
1854         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1855         Remove references to older IRIX 6 releases and the O32 ABI.
1856
1857 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR bootstrap/43994
1860         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1861         instead of DF_REF_REAL_REG.
1862
1863 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1864
1865         PR target/43888
1866         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1867         handling to still return true for x64 targets.
1868
1869 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1870
1871         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1872
1873 2010-05-06  Jan Hubicka  <jh@suse.cz>
1874
1875         PR tree-optimization/43791
1876         * ipa-inline.c (update_caller_keys): Remove bogus
1877         disregard_inline_limits check.
1878
1879 2010-05-06  Michael Matz  <matz@suse.de>
1880
1881         PR tree-optimization/43984
1882         * tree-ssa-pre.c (inserted_phi_names): Remove.
1883         (inserted_exprs): Change to bitmap.
1884         (create_expression_by_pieces): Set bits, don't append to vector.
1885         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1886         (eliminate): Don't look at inserted_phi_names, remove deleted
1887         insns from inserted_exprs.
1888         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1889         (init_pre, fini_pre): Allocate and free bitmaps.
1890         (execute_pre): Insert insns on edges before elimination.
1891
1892 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1893
1894         * tree.c (initializer_zerop): Handle STRING_CST.
1895
1896 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1897
1898         PR 40989
1899         * doc/invoke.texi (Wimplicit): Document as C only.
1900         * opts.c (common_handle_option): Add argument kind.
1901         (handle_option): Rename as read_cmdline_option. Factor out code to...
1902         (handle_option): ... here. New.
1903         (handle_options): Rename as read_cmdline_options.
1904         (decode_options): Update call.
1905         (set_option): Use option index instead of option pointer. Classify
1906         diagnostics correctly.
1907         (enable_warning_as_error): Call handle_option.
1908         * opts.h (set_option): Update declaration.
1909         (handle_option): Declare.
1910         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1911         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1912         * c-opts.c (set_Wimplicit): Delete.
1913         (c_family_lang_mask): New static constant.
1914         (c_common_handle_option): Add argument kind. Use handle_option
1915         instead of set_Wimplicit.
1916         (c_common_post_options): warn_implicit and warn_implicit_int
1917         are disabled by default.
1918         * c-common.c (warn_implicit): Do not define here.
1919         * c-common.h (warn_implicit): Do not declare here.
1920         (c_common_handle_option): Update declaration.
1921         * lto-opts.c (lto_reissue_options): Update call to set_option.
1922
1923 2010-05-06  Richard Guenther  <rguenther@suse.de>
1924
1925         PR tree-optimization/43571
1926         * domwalk.c (walk_dominator_tree): Walk the dominator
1927         sons in more optimal order.
1928
1929 2010-05-06  Richard Guenther  <rguenther@suse.de>
1930
1931         PR tree-optimization/43934
1932         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1933         (stmt_cost): Likewise.
1934         (extract_true_false_args_from_phi): New helper.
1935         (determine_max_movement): For PHI nodes verify we can hoist them
1936         and compute their cost.
1937         (determine_invariantness_stmt): Handle PHI nodes.
1938         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1939         if-converted form using COND_EXPRs.
1940         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1941         (tree_ssa_lim): Likewise.
1942         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1943         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1944
1945 2010-05-06  Richard Guenther  <rguenther@suse.de>
1946
1947         PR tree-optimization/43987
1948         * tree-ssa-structalias.c (could_have_pointers): For possibly
1949         address-taken variables force pointers to be recorded.
1950         (create_variable_info_for_1): Likewise.
1951         (push_fields_onto_fieldstack): Pass in wheter all fields
1952         must have pointers.
1953         (find_func_aliases): Query types instead of vars whether
1954         they contain pointers where appropriate.
1955
1956 2010-05-06  Jan Hubicka  <jh@suse.cz>
1957
1958         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1959         (record_reference, mark_address, mark_load, mark_store): Record
1960         references.
1961         (record_references_in_initializer): Update call of record_references.
1962         (rebuild_cgraph_edges): Remove all references before rebuiding.
1963         * cgraph.c (cgraph_create_node): Clear ref list.
1964         (cgraph_remove_node): Remove references.
1965         (dump_cgraph_node): Dump references.
1966         (cgraph_clone_node): Clone references.
1967         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1968         (struct cgraph_node, varpool_node): Add ref_lst.
1969         * ipa-ref.c: New file.
1970         * ipa-ref.h: New file.
1971         * ipa-ref-inline.h: New file.
1972         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1973         (referenced_from_other_partition_p): New function.
1974         (lto_output_varpool_node): Take set arugment; call
1975         referenced_from_other_partition.
1976         (lto_output_ref): New.
1977         (add_references): New.
1978         (output_refs): New.
1979         (output_cgraph): Compute boundary based on references; output refs.
1980         (output_varpool): Accept cgraph_node_set argument.
1981         (input_ref): New.
1982         (input_refs): New.
1983         (input_cgraph): Call input_refs.
1984         * lto-section-in.c (lto_section_name): Add refs.
1985         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1986         (ipa-ref.o): New file.
1987         * varpool.c (varpool_node): Clear ipa ref list.
1988         (varpool_remove_node): Remove references.
1989         (dump_varpool_node): Dump references.
1990         (varpool_assemble_decl): Only compile finalized ones.
1991         (varpool_extra_name_alias): Initialize ref list.
1992         * lto-streamer.c (lto-get_section_name): Add .refs section.
1993         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1994         (referenced_from_other_partition_p): Declared.
1995
1996 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1997
1998         PR tree-optimization/43901
1999         * tree-vect-stmts.c (vectorizable_call): Assert that vector
2000         type is not NULL if it's transformation phase, and return
2001         FALSE if it's analysis.
2002         (vectorizable_conversion, vectorizable_operation,
2003         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
2004
2005 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
2006
2007         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2008         Delete.
2009         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2010         New define.
2011         * config/mips/mips-protos.h
2012         (mips_small_register_classes_for_mode_p): Delete prototype.
2013
2014 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
2015
2016         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
2017         * config/arm/arm.c (multiple_operation_profitable_p,
2018         compute_offset_order): New static functions.
2019         (load_multiple_sequence, store_multiple_sequence): Use them.
2020         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
2021         memory offsets, not register numbers.
2022         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
2023
2024 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
2025
2026         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
2027         (get_pending_sizes, put_pending_size, put_pending_sizes):
2028         Update the uses of pending_sizes.
2029         * c-decl.c (store_parm_decls): Likewise.
2030         * c-tree.h (struct c_arg_info): Likewise.
2031         * tree.h: Update the prototype for get_pending_sizes and
2032         put_pending_sizes.
2033
2034 2010-05-05  Jason Merrill  <jason@redhat.com>
2035
2036         PR debug/43370
2037         * c-common.c (handle_aligned_attribute): Respect
2038         ATTR_FLAG_TYPE_IN_PLACE.
2039
2040         PR testsuite/43758
2041         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
2042         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2043         (TARGET_INITIALIZER): Use it.
2044         * c-common.c (attribute_takes_identifier_p): Call it.
2045         * c-common.h: Update prototype.
2046         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
2047         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2048
2049 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR debug/43950
2052         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
2053         DW_ID_down_case for Fortran compilation units.
2054
2055 2010-05-05  Jan Hubicka  <jh@suse.cz>
2056
2057         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
2058         handle aliases.
2059
2060 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
2061
2062         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
2063         a variable-sized RESULT_DECL.
2064
2065 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
2066
2067         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
2068
2069 2010-05-05  Jason Merrill  <jason@redhat.com>
2070
2071         PR c++/43787
2072         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
2073         returns GS_OK.
2074         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
2075
2076 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
2077             Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR debug/43478
2080         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
2081         (dead_debug_init, dead_debug_finish): New functions.
2082         (dead_debug_add, dead_debug_insert_before): Likewise.
2083         (df_note_bb_compute): Initialize a dead_debug object, add dead
2084         debug uses to it, insert debug bind insns before death insns,
2085         reset debug insns that refer to pending uses at the end.
2086         * rtl.h (make_debug_expr_from_rtl): New prototype.
2087         * varasm.c (make_debug_expr_from_rtl): New function.
2088
2089 2010-05-05  Jan Hubicka  <jh@suse.cz>
2090
2091         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
2092         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
2093         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
2094         lto_varpool_encoder_deref, lto_varpool_encoder_size,
2095         lto_varpool_encoder_encode_initializer_p,
2096         lto_set_varpool_encoder_encode_initializer): New functions.
2097         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
2098         call output_varpool.
2099         (input_varpool_node): Do not always set analyzed.
2100         (input_cgraph_1): Return vector of cgraph nodes.
2101         (input_varpool_1): Return vector of varpools.
2102         (input_cgraph): Free the vectors.
2103         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2104         output only initializers needed.
2105         (lto_output): Only call output_cgraph.
2106         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
2107         * lto-section-out.c (lto_new_out_decl_state): Initialize
2108         state->varpool_node_encoder.
2109         * lto-streamer.h (lto_varpool_encoder_d): New.
2110         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
2111         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
2112         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
2113         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
2114         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
2115         Declare.
2116         (output_varpool, input_varpool): Remove declarations.
2117
2118 2010-05-05  Jan Hubicka  <jh@suse.cz>
2119
2120         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
2121         with body can prevail.
2122
2123 2010-05-05  Jan Hubicka  <jh@suse.cz>
2124
2125         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
2126         size.
2127
2128 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2129
2130         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
2131
2132         * gengtype.h (erro_at_line): Constify pos argument.
2133
2134         * gengtype.c: Include hashtab.h.
2135         (enum gc_used): Document GC_MAYBE_POINTED_TO.
2136         (error_at_line): Constify pos argument.
2137         (do_typedef): Initialize p->opt field.
2138         (get_file_gtfilename): Fix comment typo.
2139         (struct walk_type_data): Constify line field.
2140         (get_output_file_for_structure): New function.
2141         (write_local_func_for_structure): Constify orig_s argument.
2142         Use get_output_file_for_structure.
2143         (write_func_for_structure): Use get_output_file_for_structure.
2144         (INDENT): New define.
2145         (dump_pair, dump_type, dump_type_list, dump_typekind)
2146         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
2147         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
2148         functions.
2149         (seen_types): New variable.
2150         (main): New variable do_dump.  Process "-d" command line option.
2151         Call dump_everything if dump requested.
2152
2153 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2154
2155         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
2156         in a temporary instead of invoking the macro multiple times.
2157         (track_expr_p): Likewise.
2158
2159 2010-05-04  Neil Vachharajani <nvachhar@google.com>
2160
2161         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
2162         per new semantics.
2163         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
2164         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
2165         conditions for printing notes.
2166         * common.opt (-Wcoverage-mismatch): Allow negative, default to
2167         true, update documentation.
2168         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2169
2170 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
2171
2172         PR c/43981
2173         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2174         on dimen.
2175
2176 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2177
2178         PR target/43799
2179         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2180         (*sse_prologue_save_insn1): Likewise.
2181         (SSE prologue save splitter): Likewise.
2182
2183 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2184
2185         * tree.c (free_lang_data_in_one_sizepos): New inline function.
2186         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2187         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2188         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2189         all decls.  Call it on DECL_FIELD_OFFSET of fields.
2190         (find_decls_types_r): Follow DECL_VALUE_EXPR.
2191         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2192
2193 2010-05-04  Martin Jambor  <mjambor@suse.cz>
2194
2195         * tree-sra.c (build_access_from_expr_1): The first parameter type
2196         changed to simple tree.
2197         (build_access_from_expr): Likewise, gsi parameter was eliminated.
2198         (scan_assign_result): Renamed to assignment_mod_result, enum elements
2199         renamed as well.
2200         (build_accesses_from_assign): Removed all parameters except for a
2201         simple gimple statement.  Now returns a simple bool.
2202         (scan_function): All non-analysis parts moved to separate functions
2203         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
2204         parameters and updated both callers.
2205         (sra_modify_expr): Removed parameter data.
2206         (sra_modify_function_body): New function.
2207         (perform_intra_sra): Call sra_modify_function_body to modify the
2208         function body.
2209         (replace_removed_params_ssa_names): Parameter data changed into
2210         adjustments vector.
2211         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
2212         changed the parameter dont_convert to convert with the opposite
2213         meaning.
2214         (sra_ipa_modify_assign): Parameter data changed into adjustments
2215         vector, return value changed to bool.
2216         (ipa_sra_modify_function_body): New function.
2217         (sra_ipa_reset_debug_stmts): Updated a comment.
2218         (modify_function): Use ipa_sra_modify_function_body to modify function
2219         body.
2220
2221 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2222
2223         PR middle-end/43671
2224         * alias.c (true_dependence): Handle the same VALUE in x and mem.
2225         (canon_true_dependence): Likewise.
2226         (write_dependence_p): Likewise.
2227
2228 2010-05-04  Jan Hubicka  <jh@suse.cz>
2229
2230         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
2231         * cgraphbuild.c: Include ipa-utils.h
2232         (record_reference_ctx): New struct.
2233         (record_reference): Simplify to work on initializers; not statements.
2234         (mark_address, mark_load, mark_store): New.
2235         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2236         walk PHI nodes too.
2237         (record_references_in_initializer): Update use of record_reference.
2238         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2239         walk PHI nodes too.
2240
2241 2010-05-04  Jan Hubicka  <jh@suse.cz>
2242
2243         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
2244         node will be removed anyway.
2245         (lto_varpool_replace_node): Allow also unanalyzed nodes;
2246         relink aliases of node into prevailing node.
2247         * varpool.c (varpool_remove_node): Remove aliases properly;
2248         when removing node, remove all its aliases too; remove DECL_INITIAL
2249         of removed node; ggc_free the varpool node.
2250
2251 2010-05-04  Richard Guenther  <rguenther@suse.de>
2252
2253         PR tree-optimization/43879
2254         * tree-ssa-structalias.c (alias_get_name): Use
2255         DECL_ASSEMBLER_NAME if available.
2256         (create_function_info_for): Return the varinfo node.
2257         (ipa_pta_execute): Associate same-body aliases and extra names
2258         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
2259
2260 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2261
2262         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
2263
2264 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
2265
2266         PR bootstrap/43964
2267         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
2268         only if HONOR_REG_ALLOC_ORDER is not defined.
2269
2270 2010-05-04  Richard Guenther  <rguenther@suse.de>
2271
2272         PR tree-optimization/43949
2273         * tree-vrp.c (extract_range_from_binary_expr): Only handle
2274         TRUNC_MOD_EXPR.
2275
2276 2010-04-26  Jason Merrill  <jason@redhat.com>
2277
2278         * c.opt (-fstrict-enums): New.
2279         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
2280
2281 2010-05-03  David Ung <davidu@mips.com>
2282             James E. Wilson  <wilson@codesourcery.com>
2283
2284         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
2285         emit the trap instruction before the divide for TUNE_74K.
2286
2287 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2288
2289         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
2290         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
2291         based on the above, for new target hook.
2292
2293         * hooks.c (hook_bool_mode_true): New generic hook.
2294         * hooks.h (hook_bool_mode_true): Add prototype.
2295
2296         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
2297         target hook.
2298         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
2299         target hook, set to hook_bool_mode_false.
2300         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
2301         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
2302         with targetm.small_register_classes_for_mode_p.
2303         (find_reusable_reload): Likewise.
2304         (combine_reloads): Likewise.
2305         * reload1.c (reload_as_needed): Likewise.
2306         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
2307         * ifcvt.c (noce_process_if_block, check_cond_move_block,
2308         dead_or_predicable): Likewise.
2309         * regmove.c (optimize_reg_copy_1): Likewise.
2310         * calls.c (prepare_call_address): Likewise.
2311         (precompute_register_parameters): Likewise.
2312
2313         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2314         hook definition.
2315         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2316         implementation of the hook that considers all register classes
2317         small except for SH64.
2318         (sh_override_options): Use the new hook.
2319         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2320         Add prototype.
2321
2322         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2323         hook definition.
2324         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2325         implementation of the hook that considers all register classes
2326         small for THUMB1.
2327         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2328         Add prototype.
2329
2330         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2331         hook definition.
2332         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2333         implementation of the hook that considers all register classes
2334         small for MIPS16.
2335         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2336         Add prototype.
2337
2338         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2339         hook definition.
2340         * config/m32c/m32c.h: Likewise.
2341         * config/pdp11/pdp11.h: Likewise.
2342         * config/avr/avr.h: Likewise.
2343         * config/xtensa/xtensa.h: Likewise.
2344         * config/m68hc11/m68hc11.h: Likewise.
2345         * config/mn10300/mn10300.h: Likewise.
2346         * config/mcore/mcore.h: Likewise.
2347         * config/h8300/h8300.h: Likewise.
2348         * config/bfin/bfin.h: Likewise.
2349
2350         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2351         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2352
2353 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
2354
2355         * double-int.h (tree_to_double_int): Remove macro.
2356         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2357         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2358         (tree_to_double_int): New function.
2359         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2360         Move ...
2361         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2362
2363 2010-05-03  Richard Guenther  <rguenther@suse.de>
2364
2365         PR tree-optimization/43971
2366         * tree-ssa-structalias.c (get_constraint_for_1): Fix
2367         constraints in the !flag_delete_null_pointer_checks case.
2368
2369 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
2370
2371         PR debug/43972
2372         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2373         result mode matches original rtl mode.
2374
2375 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2376
2377         PR target/43888
2378         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2379
2380 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2383         when processing flag options.
2384
2385 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2386
2387         * gcov-iov.c (main): Change format string placeholder
2388         from %#08x to 0x%08x.
2389         * genchecksum.c (dosum): Change format string placeholder
2390         from %#02x to 0x%02x.
2391
2392 2010-05-02  Richard Guenther  <rguenther@suse.de>
2393
2394         PR tree-optimization/43879
2395         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2396
2397 2010-05-02  Bruno Haible  <bruno@clisp.org>
2398
2399         * doc/extend.texi (Function Attributes): Fix a typo.
2400
2401 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2402
2403         Revert:
2404         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2405         placeholder from 0x%x to %#x.
2406         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2407         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2408         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2409         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2410         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2411         * config/i386/i386.c (ix86_target_string): Ditto.
2412         * config/i386/i386.c (output_pic_addr_const): Ditto.
2413         (print_operand): Ditto.
2414
2415 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2416
2417         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2418         placeholder from 0x%x to %#x.
2419         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2420         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2421         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2422         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2423         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2424         * optc-gen.awk: Ditto.
2425         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2426         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2427         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2428         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2429
2430 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2431
2432         * target.h (struct calls): Add function_value_regno_p field.
2433         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2434         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2435         * targhooks.c (default_function_value_regno_p): New function.
2436         * targhooks.h (default_function_value_regno_p): Declare function.
2437         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2438         * builtins.c. (apply_result_size): (Ditto.).
2439         * combine.c. (likely_spilled_retval_p): (Ditto.).
2440         * mode-switching.c. Include 'target.h'.
2441         (create_pre_exit): Use function_value_regno_p hook.
2442         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2443         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2444         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2445
2446         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2447         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2448         (ix86_function_value_regno_p): Declare as static, change argument
2449         type to const unsigned int.
2450         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2451
2452 2010-05-01  Richard Guenther  <rguenther@suse.de>
2453
2454         PR tree-optimization/43949
2455         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2456         types.
2457         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2458
2459 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2460
2461         * rtl.h (CONST_DOUBLE_P): Define.
2462         (rtx_to_double_int): Declare.
2463         * emit-rtl.c (rtx_to_double_int): New function.
2464         * dwarf2out.c (insert_double): New function.
2465         (loc_descriptor, add_const_value_attribute): Clean up, use
2466         rtx_to_double_int and insert_double functions.
2467
2468 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2469
2470         * doc/extend.texi (Inline): Add missing return keyword to examples.
2471         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2472         "command-line".
2473
2474 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2475
2476         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2477         the variable part of the offset as well.  Use highest_pow2_factor for
2478         all alignment checks.
2479
2480 2010-04-30  Richard Guenther  <rguenther@suse.de>
2481
2482         PR tree-optimization/43879
2483         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2484         can have pointers.
2485
2486 2010-04-30  Jan Hubicka  <jh@suse.cz>
2487
2488         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2489         varpool.
2490         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2491
2492 2010-04-30  Jan Hubicka  <jh@suse.cz>
2493
2494         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2495         New.
2496         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2497         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2498         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2499         cgraph_node_set_needs_ltrans_p): Remove.
2500
2501 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2502
2503         * sdbout.c: Include vec.h, do not include varray.h.
2504         (deferred_global_decls, sdbout_global_decl,
2505         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2506         * toplev.c: Do not include varray.h.
2507         (dump_memory_report): Do not dump VARRAY statistics.
2508         * gengtype.c (open_base_file): Ignore varray.h.
2509         * Makefile.in: Update for abovementioned changes.
2510         Remove all traces of varray.c and varray.h.
2511         * varray.c: Remove file.
2512         * varray.h: Remove file.
2513
2514 2010-04-30  Jan Hubicka  <jh@suse.cz>
2515
2516         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2517         references.
2518
2519 2010-04-30  Jan Hubicka  <jh@suse.cz>
2520
2521         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2522         needed.
2523
2524 2010-04-30  Richard Guenther  <rguenther@suse.de>
2525
2526         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2527         constraints for CONSTRUCTOR.
2528
2529 2010-04-30  Richard Guenther  <rguenther@suse.de>
2530
2531         PR lto/43946
2532         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2533         first after all lowering passes.
2534
2535 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2536
2537         * toplev.c: Include varray.h for statistics dumping.
2538         * tree.h: Do not declare varray_head_tag.
2539         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2540         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2541         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2542         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2543         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2544         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2545         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2546         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2547         include varray.h.
2548         * Makefile.in: Update for abovementioned changes.
2549
2550 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2551
2552         PR debug/43942
2553         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2554
2555 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2556
2557         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2558         Use this function to do machine-specific conversion.
2559         (picochip_legitimize_reload_address): Likewise.
2560         (picochip_legitimate_address_p): Check valid base register only if
2561         strict.
2562         (picochip_check_conditional_copy): Check for modw only if opnd is
2563         register.
2564         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2565         to call the function in c.
2566         * config/picochip/picochip-protos.h
2567         (picochip_legitimize_reload_address): Define.
2568         * config/picochip/picochip.md (supported_compare1): Define.
2569
2570 2010-04-30  Jan Hubicka  <jh@suse.cz>
2571
2572         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2573         (cgraph_global_info): Remove inlined.
2574         (LTO_cgraph_tag_names): Remove.
2575         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2576         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2577         simplify cgraph tags and document.
2578         (lto_output_node): Use only LTO_cgraph_unavail_node and
2579         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2580         for_functions_valid, global info, process and output flags.
2581         (input_overwrite_node): Initialize estimated stack size and
2582         estimated growth.  Do not read flags we no longer store.
2583         (input_node): Likewise do not read info no longer stored.
2584         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2585         flag.
2586
2587 2010-04-30  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/43879
2590         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2591         handle non-zero initializers.
2592
2593 2010-04-30  Richard Guenther  <rguenther@suse.de>
2594
2595         * builtins.c (fold_builtin_1): Delete free (0).
2596
2597 2010-04-29  Jan Hubicka  <jh@suse.cz>
2598
2599         * gengtype.c (open_base_files): Add lto-streamer.h
2600         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2601         (pass_ipa_cp): GGC collect.
2602         * toplev. (compile_file): Do not output symbols.
2603         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2604         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2605         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2606         * lto-section-in.c: Include ggc.h
2607         (lto_new_in_decl_state): Alloc in GGC.
2608         (lto_delete_in_decl_state): Likewise.
2609         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2610         Collect.
2611
2612 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2613
2614         PR target/42895
2615         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2616         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2617         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2618         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2619         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2620         account only if HONOR_REG_ALLOC_ORDER is not defined.
2621         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2622         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2623
2624 2010-04-29  Jon Grant  <04@jguk.org>
2625
2626         * collect2.c (vflag): Change type from int to bool.
2627         (debug): Likewise.
2628         (helpflag): New global bool.
2629         (main): Set vflag and debug with boolean, not integer truth values.
2630         Accept new "--help" option and output usage text if found.
2631         * collect2.h (vflag): Update prototype.
2632         (debug): Likewise.
2633
2634 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2635
2636         PR bootstrap/43936
2637         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2638
2639 2010-04-29  Richard Guenther  <rguenther@suse.de>
2640
2641         PR bootstrap/43935
2642         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2643         with ATTRIBUTE_UNUSED.
2644
2645 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2646
2647         PR target/43921
2648         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2649         INSN_P with NONDEBUG_INSN_P.
2650         (distance_non_agu_define): Likewise.
2651         (distance_agu_use): Likewise.
2652
2653 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2654
2655         From Dominique d'Humieres <dominiq@lps.ens.fr>
2656         PR bootstrap/43858
2657         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2658         test_set.
2659
2660 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2661
2662         * plugin.h (invoke_plugin_callbacks): New inline function.
2663         * plugin.c (flag_plugin_added): New global flag.
2664         (add_new_plugin): Initialize above flag.
2665         (invoke_plugin_callbacks): Rename to ...
2666         (invoke_plugin_callbacks_full): ... this.
2667
2668 2010-04-28  Jan Hubicka  <jh@suse.cz>
2669
2670         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2671         (lto_varpool_replace_node): New.
2672         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2673         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2674         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2675         * cgraph.h (varpool_node_ptr): New type.
2676         (varpool_node_ptr): New vector.
2677         (varpool_node_set_def): New structure.
2678         (varpool_node_set): New type.
2679         (varpool_node_set): New vector.
2680         (varpool_node_set_element_def): New structure.
2681         (varpool_node_set_element, const_varpool_node_set_element): New types.
2682         (varpool_node_set_iterator): New type.
2683         (varpool_node): Add prev pointers, add used_from_other_partition,
2684         in_other_partition.
2685         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2686         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2687         varpool_get_node, varpool_remove_node): Declare.
2688         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2689         varpool_node_set_size): New inlines.
2690         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2691         * tree-pass.h (varpool_node_set_def): Forward declare.
2692         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2693         (ipa_write_optimization_summaries): Update prototype.
2694         * ipa-cp.c (ipcp_write_summary): Update.
2695         * ipa-reference.c (ipa_reference_write_summary): Update.
2696         * lto-cgraph.c (lto_output_varpool_node): New static function.
2697         (output_varpool): New function.
2698         (input_varpool_node): New static function.
2699         (input_varpool_1): New function.
2700         (input_cgraph): Input varpool.
2701         * ipa-pure-const.c (pure_const_write_summary): Update.
2702         * lto-streamer-out.c (lto_output): Update, output varpool too.
2703         (write_global_stream): Kill WPA hack.
2704         (produce_asm_for_decls): Update.
2705         (output_alias_pair_p): Handle variables.
2706         (output_unreferenced_globals): Output only needed partition of varpool.
2707         * ipa-inline.c (inline_write_summary): Update.
2708         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2709         cgraph.
2710         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2711         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2712         varpool_node_set_new, varpool_node_set_add,
2713         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2714         debug_varpool_node_set): New functions.
2715         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2716         (execute_one_pass): Process new decls too.
2717         (ipa_write_summaries_2): Pass around vsets.
2718         (ipa_write_summaries_1): Likewise.
2719         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2720         to add.
2721         (ipa_write_optimization_summaries_1): Pass around vsets.
2722         (ipa_write_optimization_summaries): Likewise.
2723         * varpool.c (varpool_get_node): New.
2724         (varpool_node): Update doubly linked lists.
2725         (varpool_remove_node): New.
2726         (dump_varpool_node): More dumping.
2727         (varpool_enqueue_needed_node): Update doubly linked lists.
2728         (decide_is_variable_needed): Kill ltrans hack.
2729         (varpool_finalize_decl): Kill lto hack.
2730         (varpool_assemble_decl): Skip decls in other partitions.
2731         (varpool_assemble_pending_decls): Update doubly linkes lists.
2732         (varpool_empty_needed_queue): Likewise.
2733         (varpool_extra_name_alias): Likewise.
2734         * lto-streamer.c (lto_get_section_name): Add vars section.
2735         * lto-streamer.h (lto_section_type): Update.
2736         (output_varpool, input_varpool): Declare.
2737
2738 2010-04-28  Mike Stump  <mikestump@comcast.net>
2739
2740         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2741
2742 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2743
2744         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2745         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2746         (lto_input_ts_type_tree_pointers): Likewise.
2747         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2748         (lto_output_ts_type_tree_pointers): Likewise.
2749
2750 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2751
2752         Uniquization of constants at the Tree level
2753         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2754         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2755         bit to the end.
2756         (tree_output_constant_def): Declare.
2757         * gimplify.c (gimplify_init_constructor): When using block copy, first
2758         uniquize the constant constructor on the RHS.
2759         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2760         DECL_IN_CONSTANT_POOL flag.
2761         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2762         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2763         constant pool.
2764         (assemble_variable): Deal with symbols belonging to the tree constant
2765         pool.
2766         (get_constant_section): Add ALIGN parameter and simplify.
2767         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2768         (assemble_constant_contents): Use the expression of the VAR_DECL.
2769         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2770         (tree_output_constant_def): New global function.
2771         (mark_constant): Use the expression of the VAR_DECL.
2772         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2773         its expression.
2774         (output_object_block): Likewise and assemble the expression.
2775
2776 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2777
2778         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2779         hash_tree, eq_tree): New tree hash table.
2780         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2781         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2782         lto_orig_address_remove): Reimplement.
2783
2784 2010-04-28  Xinliang David Li  <davidxl@google.com>
2785
2786         PR c/42643
2787         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2788         (compute_uninit_opnds_pos): New function.
2789         (is_non_loop_exit_postdominating): New function.
2790         (compute_control_dep_chain): New function.
2791         (find_pdom): New function.
2792         (convert_control_dep_chain_into_preds): New function.
2793         (find_predicates): New function.
2794         (find_control_equiv_block): New function.
2795         (collect_phi_def_edges): New function.
2796         (find_def_preds): New function.
2797         (find_dom): New function.
2798         (dump_predicates): New function.
2799         (get_cmp_code): New function.
2800         (is_value_included_in): New function.
2801         (find_matching_predicate_in_rest_chains): New function.
2802         (use_pred_not_overlap_with_undef_path_pred): New function.
2803         (is_use_properly_guarded): New function.
2804         (normalize_cond_1): New function.
2805         (is_and_or_or): New function.
2806         (normalize_cond): New function.
2807         (is_gcond_subset_of): New function.
2808         (is_subset_of_any): New function.
2809         (is_or_set_subset_of): New function.
2810         (is_and_set_subset_of): New function.
2811         (is_norm_cond_subset_of): New function.
2812         (is_pred_expr_subset_of): New function.
2813         (is_pred_chain_subset_of): New function.
2814         (is_included_in): New function.
2815         (is_superset_of): New function.
2816         (find_uninit_use): New function.
2817         (warn_uninitialized_phi): New function.
2818         (compute_possibly_undefined_names): New function.
2819         (ssa_undefined_value_p): New function.
2820         (execute_late_warn_uninitialized): New function.
2821         * tree-ssa.c (ssa_undefined_value_p): Removed.
2822         (warn_uninit): Changed to extern.
2823         (warn_uninitialized_phi): Removed.
2824         (warn_uninitialized_vars): Changed to extern.
2825         (execute_late_warn_uninitialized): Removed
2826         * tree-flow.h: Add new prototypes.
2827         * timevar.def: Add new time variable.
2828         * Makefile.in: Add new build file.
2829
2830 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2831
2832         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2833         type if available.
2834
2835 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2836
2837         PR target/22224
2838         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2839
2840 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2841
2842         * cgraph.h (struct cgraph_node): New field indirect_calls.
2843         (struct cgraph_indirect_call_info): New type.
2844         (struct cgraph_edge): Removed field indirect_call. New fields
2845         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2846         (cgraph_create_indirect_edge): Declare.
2847         (cgraph_make_edge_direct): Likewise.
2848         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2849         * ipa-prop.h (struct ipa_param_call_note): Removed.
2850         (struct ipa_node_params): Removed field param_calls.
2851         (ipa_create_all_structures_for_iinln): Declare.
2852         * cgraph.c: Described indirect edges and uids in initial comment.
2853         (cgraph_add_edge_to_call_site_hash): New function.
2854         (cgraph_edge): Search also among the indirect edges, use
2855         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2856         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2857         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2858         site hash.
2859         (initialize_inline_failed): Assign a reason to indirect edges.
2860         (cgraph_create_edge_1): New function.
2861         (cgraph_create_edge): Moved some functionality to
2862         cgraph_create_edge_1.
2863         (cgraph_create_indirect_edge): New function.
2864         (cgraph_edge_remove_callee): Add an assert checking for
2865         non-indirectness.
2866         (cgraph_edge_remove_caller): Special-case indirect edges.
2867         (cgraph_remove_edge): Likewise.
2868         (cgraph_set_edge_callee): New function.
2869         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2870         (cgraph_make_edge_direct): New function.
2871         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2872         the declaration of the call statement matches.
2873         (cgraph_node_remove_callees): Special-case indirect edges.
2874         (cgraph_clone_edge): Likewise.
2875         (cgraph_clone_node): Clone also the indirect edges.
2876         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2877         indirect_call, dump count of indirect_calls edges.
2878         * ipa-prop.c (iinlining_processed_edges): New variable.
2879         (ipa_note_param_call): Create indirect edges instead of
2880         creating notes.  New parameter node.
2881         (ipa_analyze_call_uses): New parameter node, pass it on to
2882         ipa_note_param_call.
2883         (ipa_analyze_stmt_uses): Likewise.
2884         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2885         (print_edge_addition_message): Work on edges rather than on notes.
2886         (update_call_notes_after_inlining): Likewise, renamed to
2887         update_indirect_edges_after_inlining.
2888         (ipa_create_all_structures_for_iinln): New function.
2889         (ipa_free_node_params_substructures): Do not free notes.
2890         (ipa_edge_duplication_hook): Propagate bits within
2891         iinlining_processed_edges bitmap.
2892         (ipa_node_duplication_hook): Do not duplicate notes.
2893         (free_all_ipa_structures_after_ipa_cp): Renamed to
2894         ipa_free_all_structures_after_ipa_cp.
2895         (free_all_ipa_structures_after_iinln): Renamed to
2896         ipa_free_all_structures_after_iinln.
2897         (ipa_write_param_call_note): Removed.
2898         (ipa_read_param_call_note): Removed.
2899         (ipa_write_indirect_edge_info): New function.
2900         (ipa_read_indirect_edge_info): Likewise.
2901         (ipa_write_node_info): Do not stream notes, do stream information
2902         in indirect edges.
2903         (ipa_read_node_info): Likewise.
2904         (lto_ipa_fixup_call_notes): Removed.
2905         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2906         * ipa-inline.c (pass_ipa_inline): Likewise.
2907         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2908         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2909         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2910         is_gimple_call.
2911         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2912         edges.
2913         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2914         (output_cgraph): Stream also indirect edges.
2915         (lto_output_edge): Added capability to stream indirect edges.
2916         (input_edge): Likewise.
2917         (input_cgraph_1): Likewise.
2918         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2919         of indirect edges.
2920
2921 2010-04-28  Richard Guenther  <rguenther@suse.de>
2922
2923         PR tree-optimization/43879
2924         PR tree-optimization/43909
2925         * tree-ssa-structalias.c (struct variable_info): Add
2926         only_restrict_pointers flag.
2927         (new_var_info): Initialize it.  Increment stats.total_vars here.
2928         (create_function_info_for): Do not increment stats.total_vars here.
2929         (get_function_part_constraint): Fix build with C++.
2930         (insert_into_field_list): Remove.
2931         (push_fields_onto_fieldstack): Properly merge fields.
2932         (create_variable_info_for): Split and simplify.
2933         (create_variable_info_for_1): New piece.
2934         (intra_create_variable_infos): Properly make restrict constraints
2935         from parameters.
2936
2937 2010-04-28  Richard Guenther  <rguenther@suse.de>
2938
2939         PR c++/43880
2940         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2941
2942 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2943             Jan Hubicka <hubicka@ucw.cz>
2944
2945         * doc/invoke.texi (-Wsuggest-attribute=const,
2946         -Wsuggest-attribute=pure): Document.
2947         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2948         (function_always_visible_to_compiler_p,
2949         suggest_attribute, warn_function_pure, warn_function_const):
2950         New functions.
2951         (check_call): Improve debug info.
2952         (analyze_function): Do not check availability.
2953         (add_new_function): Check availability.
2954         (propagate): Output warnings.
2955         (skip_function_for_local_pure_const): New function.
2956         (local_pure_const): Use it; output warnings.
2957         * common.opt (Wsuggest-attribute=const,
2958         Wsuggest-attribute=pure): New.
2959
2960 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2961
2962         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2963         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2964         or DW_CFA_def_cfa_offset{,_sf}.
2965
2966 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2967
2968         * tree.h: Fix truncated long macros.
2969
2970 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2971
2972         * collect2.c (TARGET_64BIT): Redefine to target's default.
2973         * tlink.c: Likewise.
2974         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2975         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2976         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2977         for underscoring __USER_LABEL_PREFIX__.
2978         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2979         (SUB_LINK_ENTRY32): New.
2980         (SUB_LINK_ENTRY64): New.
2981         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2982         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2983         (SUB_LINK_ENTRY64): New.
2984         (SUB_LINK_ENTRY): New.
2985         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2986         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2987         x64 target is choosen.
2988         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2989         * configure: Regenerated.
2990         * configure.ac (leading-mingw64-underscores): Option added.
2991
2992 2010-04-27  Jan Hubicka  <jh@suse.cz>
2993
2994         * doc/invoke.texi (-fipa-profile): Document.
2995         * opts.c (decode_options): Enable ipa-profile at -O1.
2996         * timevar.def (TV_IPA_PROFILE): Define.
2997         * common.opt (fipa-profile): Add.
2998         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2999         flag for clones.
3000         (cgraph_propagate_frequency): Handle only local ones.
3001         * tree-pass.h (pass_ipa_profile): Declare.
3002         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
3003         (pass_ipa_profile): Use TV_IPA_PROFILE.
3004         * ipa.c (ipa_profile): New function.
3005         (gate_ipa_profile): Likewise.
3006         (pass_ipa_profile): New global variable.
3007         * passes.c (pass_ipa_profile): New.
3008
3009 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
3010
3011         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
3012
3013 2010-04-27  Martin Jambor  <mjambor@suse.cz>
3014
3015         PR middle-end/43812
3016         * ipa.c (dissolve_same_comdat_group_list): New function.
3017         (function_and_variable_visibility): Call
3018         dissolve_same_comdat_group_list when comdat group contains external or
3019         newly local nodes.
3020         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
3021         lists are circular and that they contain only DECL_ONE_ONLY nodes.
3022
3023 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3024
3025         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
3026         (const_hash_1) <VECTOR_CST>: New case.
3027         (compare_constant) <VECTOR_CST>: Likewise.
3028         <ADDR_EXPR>: Deal with LABEL_REFs.
3029         (copy_constant) <VECTOR_CST>: New case.
3030
3031 2010-04-27  Jan Hubicka  <jh@suse.cz>
3032
3033         * cgraph.c (cgraph_propagate_frequency): New function.
3034         * cgraph.h (cgraph_propagate_frequency): Declare.
3035         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
3036         cgraph_propagate_frequency.
3037
3038 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
3039
3040         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
3041
3042 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
3043
3044         PR target/40657
3045         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
3046         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
3047         here to determine which regs to push and how much stack to reserve.
3048
3049 2010-04-27  Jie Zhang  <jie@codesourcery.com>
3050
3051         * doc/gimple.texi (gimple_statement_with_ops): Remove
3052         addresses_taken field.
3053         (gimple_statement_with_memory_ops): Likewise.
3054
3055 2010-04-27  Jan Hubicka  <jh@suse.cz>
3056
3057         * tree-inline.c (eni_inlining_weights): Remove.
3058         (estimate_num_insns): Special case more builtins.
3059
3060 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
3061
3062         PR c/32207
3063         * c-typeck.c (build_binary_op): Move forward check for comparison
3064         pointer with null pointer constant and adjust the diagnostic message.
3065
3066 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
3067
3068         PR lto/42776
3069         * configure.ac (gcc_cv_as_section_has_align): Set if installed
3070         binutils supports extended .section directive needed by LTO, or
3071         warn if older binutils found.
3072         (LTO_BINARY_READER): New AC_SUBST'd variable.
3073         (LTO_USE_LIBELF): Likewise.
3074         * gcc/config.gcc (lto_binary_reader): New target-specific configure
3075         variable.
3076         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
3077         (LTO_USE_LIBELF): Likewise.
3078         * configure: Regenerate.
3079
3080         * collect2.c (is_elf): Rename from this ...
3081         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
3082          object files in addition to ELF-formatted ones.
3083         (scan_prog_file): Caller updated.  Also allow for LTO info marker
3084         symbol to be prefixed or not by an extra underscore.
3085
3086         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
3087         * config/i386/winnt.c: Also #include lto-streamer.h
3088         (i386_pe_asm_named_section): Specify 1-byte section alignment for
3089         LTO named sections.
3090         (i386_pe_asm_output_aligned_decl_common): Add comment.
3091         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
3092
3093 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
3094
3095         PR target/43889
3096         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
3097         Add missing earlyclobber for second alternative.
3098
3099 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3100
3101         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
3102         bits for artificial defs at the top of the block.
3103         * fwprop.c (single_def_use_enter_block): Don't call it.
3104
3105 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
3106
3107         PR 43715
3108         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
3109         instead of "$gcc_cv_objdump -T".
3110         Use "-undefined dynamic_lookup" on darwin.
3111         * gcc/configure: Regenerate.
3112
3113 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR c/43893
3116         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
3117
3118 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3119
3120         * c-parser.c (struct c_token): Move location field up.
3121         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
3122         (struct c_declspecs): Convert typespec_word, storage_class, and
3123         default_int_p into bitfields.
3124         (struct c_declarator): Move loc field up.
3125
3126 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3127
3128         * cfgloop.h (struct loop): Move can_be_parallel field up.
3129         * ipa-prop.h (struct ip_node_params): Move bitfields up.
3130         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
3131         down.
3132         (struct iv_cand): Convert pos field into a bitfield.
3133         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
3134         field up.
3135         (struct _stmt_vec_info): Shuffle fields for better packing.
3136
3137 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3138
3139         * varasm.c (IN_NAMED_SECTION): Remove guard.
3140         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
3141         (IN_NAMED_SECTION_P): ...this.
3142         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
3143         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3144
3145 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3146
3147         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
3148         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
3149         of shadowing it.  Fix comments.
3150
3151 2010-04-26  Jan Hubicka  <jh@suse.cz>
3152
3153         * cgraph.c (cgraph_create_node): Set node frequency to normal.
3154         (cgraph_clone_node): Copy function frequency.
3155         * cgraph.h (node_frequency): New enum
3156         (struct cgraph_node): Add.
3157         * final.c (rest_of_clean_state): Update.
3158         * lto-cgraph.c (lto_output_node): Output node frequency.
3159         (input_overwrite_node): Input node frequency.
3160         * tre-ssa-loop-ivopts (computation_cost): Update.
3161         * lto-streamer-out.c (output_function): Do not output function
3162         frequency.
3163         * predict.c (maybe_hot_frequency_p): Update and handle functions
3164         executed once.
3165         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3166         attribute lookup.
3167         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3168         (compute_function_frequency): Set noreturn functions to be executed
3169         once.
3170         (choose_function_section): Update.
3171         * lto-streamer-in.c (input_function): Do not input function frequency.
3172         * function.c (allocate_struct_function): Do not initialize function
3173         frequency.
3174         * function.h (function_frequency): Remove.
3175         (struct function): Remove function frequency.
3176         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3177         (try_update): Update.
3178         * tree-inline.c (initialize_cfun): Do not update function frequency.
3179         * passes.c (pass_init_dump_file): Update.
3180         * i386.c (ix86_compute_frame_layout): Update.
3181         (ix86_pad_returns): Update.
3182
3183 2010-04-26  Jie Zhang  <jie@codesourcery.com>
3184
3185         PR tree-optimization/43833
3186         * tree-vrp.c (range_int_cst_p): New.
3187         (range_int_cst_singleton_p): New.
3188         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3189         when both operands are constants.  Use range_int_cst_p in
3190         BIT_IOR_EXPR case.
3191
3192 2010-04-26  Jan Hubicka  <jh@suse.cz>
3193
3194         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3195
3196 2010-04-26  Richard Guenther  <rguenther@suse.de>
3197
3198         PR lto/43080
3199         * gimple.c (gimple_decl_printable_name): Deal gracefully
3200         with a NULL DECL_NAME.
3201
3202 2010-04-26  Richard Guenther  <rguenther@suse.de>
3203
3204         PR lto/42425
3205         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3206         if emitting debug information and it is either a function
3207         or a namespace decl.
3208
3209 2010-04-26  Ira Rosen  <irar@il.ibm.com>
3210
3211         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3212         determine if the statement is vectorizable, and a macro to access it.
3213         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3214         Skip statements that can't be vectorized. If the analysis fails,
3215         mark the statement as unvectorizable if vectorizing basic block.
3216         (vect_compute_data_refs_alignment): Likewise.
3217         (vect_verify_datarefs_alignment): Skip statements marked as
3218         unvectorizable. Add print.
3219         (vect_analyze_group_access): Skip statements that can't be
3220         vectorized. If the analysis fails, mark the statement as
3221         unvectorizable if vectorizing basic block.
3222         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3223         * tree-vect-stmts.c (vectorizable_store): Fix the number of
3224         generated stmts for SLP.
3225         (new_stmt_vec_info): Initialize the new field.
3226         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
3227         statements marked as unvectorizable.
3228
3229 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
3230
3231         * c-common.c (flag_isoc1x): New.
3232         (flag_isoc99): Update comment.
3233         * c-common.h (flag_isoc1x): New.
3234         (flag_isoc99): Update comment.
3235         * c-cppbuiltin.c (builtin_define_float_constants): Also define
3236         __<type>_DECIMAL_DIG__.
3237         * c-opts.c (set_std_c1x): New.
3238         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
3239         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
3240         * c.opt (-std=c1x, -std=gnu1x): New options.
3241         * doc/cpp.texi: Mention -std=c1x.
3242         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
3243         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
3244         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
3245         * doc/standards.texi: Mention C1X.
3246         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
3247         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
3248         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
3249         Define for C1X.
3250
3251 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
3252
3253         * config/i386/gmon-sol2.c (_mcleanup): Change format string
3254         placeholder from 0x%x to %#x.
3255         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3256         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3257         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3258         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3259         * config/i386/i386.c (ix86_target_string): Ditto.
3260         (output_pic_addr_const): Ditto.
3261         (print_operand): Ditto.
3262
3263 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
3264
3265         * combine.c (find_split_point): Add third argument.  Use it
3266         to find nested multiply-accumulate instructions.  Adjust calls.
3267         (try_combine): Adjust call to find_split_point.
3268
3269 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
3270
3271         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
3272
3273 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
3274
3275         PR tree-optimization/41442
3276         * fold-const.c (merge_truthop_with_opposite_arm): New function.
3277         (fold_binary_loc): Call it.
3278
3279 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3280
3281         * toplev.c (general_init): Set default for fdiagnostics-show-option.
3282         * opts.c (common_handle_option): Allow disabling it.
3283         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
3284
3285 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3286
3287         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
3288         between modes if both types are integral.
3289
3290 2010-04-23  Richard Guenther  <rguenther@suse.de>
3291
3292         PR tree-optimization/43572
3293         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
3294
3295 2010-04-23  Richard Guenther  <rguenther@suse.de>
3296
3297         PR lto/43455
3298         * tree-inline.c (tree_can_inline_p): Also check compatibility
3299         of return types.
3300
3301 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3302
3303         PR tree-optimization/43846
3304         * tree-sra.c (struct access): New flag grp_assignment_read.
3305         (build_accesses_from_assign): Set grp_assignment_read.
3306         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
3307         (enum mark_read_status): New type.
3308         (analyze_access_subtree): Propagate grp_assignment_read, create
3309         accesses also if both direct_read and root->grp_assignment_read.
3310
3311 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3312
3313         PR middle-end/43835
3314         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3315         function does not have type attributes.
3316
3317 2010-04-23  Richard Guenther  <rguenther@suse.de>
3318
3319         PR lto/42653
3320         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3321         of FUNCTION_DECLs.
3322
3323 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3324
3325         * sese.h (create_if_region_on_edge): Remove.
3326
3327         * sese.c (create_if_region_on_edge): Make static.
3328
3329         * tree-inline.c: Do not include ggc.h.
3330
3331         * expr.c: Do not include ggc.h.
3332
3333         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3334         dependencies.
3335
3336 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3337
3338         PR target/43744
3339         * config/sh/sh.c (find_barrier): Don't emit a constant pool
3340         in the middle of insns for casesi_worker_2.
3341
3342 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
3343
3344         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3345
3346 2010-04-22  Ira Rosen  <irar@il.ibm.com>
3347
3348         PR tree-optimization/43842
3349         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3350         loop unrolling in update of exit phis. Fix comment.
3351         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3352         least two reduction statements in the loop before starting SLP
3353         analysis.
3354
3355 2010-04-22  Nick Clifton  <nickc@redhat.com>
3356
3357         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3358
3359 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
3360
3361         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3362         to simplify a + ~a.
3363
3364 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3365
3366         * tree-parloops.c (loop_parallel_p): New argument
3367         parloop_obstack.  Pass it down.
3368         (parallelize_loops): New variable parloop_obstack.  Initialize it,
3369         pass it down, free it.
3370
3371         * tree-loop-linear.c (linear_transform_loops): Pass down
3372         lambda_obstack.
3373
3374         * tree-data-ref.h (lambda_compute_access_matrices): New argument
3375         of type struct obstack *.
3376
3377         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3378         scratch_obstack.  Initialize it, pass down, free it.
3379
3380         * lambda.h (lambda_loop_new): Remove.
3381         (lambda_matrix_new, lambda_matrix_inverse)
3382         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3383         argument of type struct obstack *.
3384
3385         * lambda-trans.c (lambda_trans_matrix_new): New argument
3386         lambda_obstack.  Pass it down, use obstack allocation for ret.
3387         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
3388         it down.
3389
3390         * lambda-mat.c (lambda_matrix_get_column)
3391         (lambda_matrix_project_to_null): Remove.
3392         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3393         allocation for mat.
3394         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3395         lambda_obstack.
3396
3397         * lambda-code.c (lambda_loop_new): New function.
3398         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3399         (lambda_compute_auxillary_space, lambda_compute_target_space)
3400         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3401         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3402         (build_access_matrix): New argument lambda_obstack.  Use obstack
3403         allocation for am.
3404         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3405         argument lambda_obstack.  Pass it down.
3406
3407 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3408
3409         * optabs.h (expand_widening_mult): Declare.
3410
3411 2010-04-22  Richard Guenther  <rguenther@suse.de>
3412
3413         PR tree-optimization/43845
3414         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3415         lookup the CALL_EXPR function and arguments.
3416
3417 2010-04-22  Nick Clifton  <nickc@redhat.com>
3418
3419         * config/stormy16/stormy16.c
3420         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3421         * config/stormy16/stormy16.h: Tidy up formatting.
3422         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3423         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3424         (ineqbranchsi): Delete pattern.
3425         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3426         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3427         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3428         stormy16-lib2-ucmpsi2.c.
3429
3430 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3431
3432         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3433         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3434         extra set merge_set_noclobber, and use it to relax the final test
3435         slightly.
3436         * df.h (df_simulate_find_noclobber_defs): Declare.
3437         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3438         conditional defs.
3439         (df_simulate_find_noclobber_defs): New function.
3440
3441 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3442
3443         * config/i386/i386.md: Use {} around multi-line preparation statements.
3444
3445 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3446
3447         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3448         (process_init_element): New argument of type struct obstack *.
3449
3450         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3451         (set_init_index, set_init_label, set_nonincremental_init)
3452         (set_nonincremental_init_from_string, find_init_member)
3453         (output_init_element, output_pending_init_elements)
3454         (process_init_element): New argument braced_init_obstack.  Pass it
3455         down.
3456         (push_range_stack, add_pending_init): New argument
3457         braced_init_obstack.  Use obstack allocation.
3458
3459         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3460         braced_init_obstack.  Pass it down.
3461         (c_parser_braced_init): New variables ret, braced_init_obstack.
3462         Initialize obstack, pass it down and finally free it.
3463
3464 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3465
3466         PR middle-end/29274
3467         * tree-pass.h (pass_optimize_widening_mul): Declare.
3468         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3469         gate_optimize_widening_mul): New static functions.
3470         (pass_optimize_widening_mul): New.
3471         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3472         <case MULT_EXPR>: Remove support for widening multiplies.
3473         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3474         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3475         simplify_gen_unary rather than directly building extensions.
3476         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3477         WIDEN_MULT_EXPR.
3478         * expmed.c (expand_widening_mult): New function.
3479         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3480
3481 2010-04-21  Jan Hubicka  <jh@suse.cz>
3482
3483         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3484         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3485         * lto-wpa-fixup.c: Remove.
3486         * Makefile.in (lto-wpa-fixup.o): Remove.
3487         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3488         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3489         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3490
3491 2010-04-21  Jan Hubicka  <jh@suse.cz>
3492
3493         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3494         add write_optimization_summary, read_optimization_summary.
3495         (ipa_write_summaries_of_cgraph_node_set): Remove.
3496         (ipa_write_optimization_summaries): Declare.
3497         (ipa_read_optimization_summaries): Declare.
3498         * ipa-cp.c (pass_ipa_cp): Update.
3499         * ipa-reference.c (pass_ipa_reference): Update.
3500         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3501         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3502         Update.
3503         * ipa-inline.c (pass_ipa_inline): Update.
3504         * ipa.c (pass_ipa_whole_program): Update.
3505         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3506         * passes.c (ipa_write_summaries_1): Do not test wpa.
3507         (ipa_write_optimization_summaries_1): New.
3508         (ipa_write_optimization_summaries): New.
3509         (ipa_read_summaries): Do not test ltrans.
3510         (ipa_read_optimization_summaries_1): New.
3511         (ipa_read_optimization_summaries): New.
3512
3513 2010-04-21  Jan Hubicka  <jh@suse.cz>
3514
3515         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3516         for boundary nodes.
3517         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3518
3519 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3520
3521         PR debug/40040
3522         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3523         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3524
3525 2010-04-21  Jan Hubicka  <jh@suse.cz>
3526
3527         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3528
3529 2010-04-21  Jan Hubicka  <jh@suse.cz>
3530
3531         * varpool.c (decide_is_variable_needed): Variable is always needed
3532         during ltrans.
3533
3534 2010-04-21  Jan Hubicka  <jh@suse.cz>
3535
3536         * opts.c (decode_options): Enable pure-const pass for whopr.
3537
3538 2010-04-21  Jan Hubicka  <jh@suse.cz>
3539
3540         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3541         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3542         at WPA dumping.
3543         (cgraph_decide_inlining): Do not expect callee to be removed in all
3544         cases.
3545
3546 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3547
3548         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3549
3550 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3551
3552         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3553         amdfam10_decode attributes.
3554
3555 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3556
3557         PR middle-end/43570
3558         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3559         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3560         (lower_copyprivate_clauses): Use private var in outer
3561         context instead of original var.  Make sure the types
3562         are correct for VLAs.
3563
3564 2010-04-21  Richard Guenther  <rguenther@suse.de>
3565
3566         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3567         to non-pointer objects.
3568
3569 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3570
3571         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3572         last chain entry if it starts with the still current label.
3573         (add_location_or_const_value_attribute): Check that
3574         loc_list->first->next is NULL instead of comparing ->first with ->last.
3575         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3576         to add_var_loc_to_decl.
3577
3578         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3579         >= 4 add also address size and segment size fields into CIE header.
3580
3581         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3582         long as address size is the same as sizeof (void *) and
3583         segment size is 0.
3584         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3585         address size or segment size is unexpected, return DW_EH_PE_omit.
3586         (classify_object_over_fdes): If get_cie_encoding returned
3587         DW_EH_PE_omit, return -1.
3588         (init_object): If classify_object_over_fdes returned -1,
3589         pretend there were no FDEs at all.
3590
3591 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3592
3593         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3594         bswap{si,di}2 using SWI48 mode iterator.
3595         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3596         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3597         set modrm attribute of bswap insn to 0 and remove length attribute.
3598         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3599         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3600         set mode attribute to <MODE> and remove length attribute.
3601
3602 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3603
3604         PR rtl-optimization/43520
3605         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3606         zero available registers.
3607
3608 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3609
3610         * builtins.c (fold_builtin_cproj): Fold more cases.
3611
3612 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3613
3614         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3615         (fold_builtin_1): Fold builtin cproj.
3616         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3617         Use ATTR_CONST_NOTHROW_LIST.
3618
3619 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3620
3621         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3622         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3623         ffsi2_no_cmove for !TARGET_CMOVE.
3624         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3625         (ffssi2): Remove expander.
3626         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3627         mode iterator.
3628         (ctz<mode>2): Ditto from ctz{si,di}2.
3629         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3630         mode iterator.
3631         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3632         mode iterator.
3633
3634 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3635
3636         * dwarf2out.c (AT_linkage_name): Define.
3637         (clone_as_declaration): Handle DW_AT_linkage_name.
3638         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3639         of DW_AT_MIPS_linkage_name.
3640         (move_linkage_attr): Likewise.
3641         (dwarf2out_finish): Likewise.
3642
3643 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3644
3645         PR middle-end/41952
3646         * fold-const.c (fold_comparison): New folding rule.
3647
3648 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3649
3650         * double-int.h (double_int_setbit): Declare.
3651         * double-int.c (double_int_setbit): New function.
3652         * rtl.h (immed_double_int_const): Declare.
3653         * emit-rtl.c (immed_double_int_const): New function.
3654         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3655         and immed_double_int_const functions.
3656         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3657         expand_copysign_bit):  (Ditto.).
3658         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3659         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3660         * dojump.c (prefer_and_bit_test): (Ditto.).
3661         * expr.c (convert_modes, reduce_to_bit_field_precision,
3662         const_vector_from_tree): (Ditto.).
3663         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3664
3665 2010-04-20  Jan Hubicka  <jh@suse.cz>
3666
3667         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3668         (dump_cgraph_node): Dump new flags.
3669         * cgraph.h (struct cgraph_node): Add flags
3670         reachable_from_other_partition and in_other_partition.
3671         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3672         other partition can not be removed.
3673         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3674         the other partition must be output; silence sanity checking on
3675         leaking functions bodies from other paritition.
3676         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3677         (lto_output_node): Output new flags; do not sanity check that inline
3678         clones are output; drop lto_forced_extern_inline_p code; do not mock
3679         visibility flags at partition boundaries.
3680         (add_node_to): New function.
3681         (output_cgraph): Use it to sort functions so masters appear before
3682         clones.
3683         (input_overwrite_node): Input new flags.
3684         * passes.c (ipa_write_summaries): Do not call
3685         lto_new_extern_inline_states.
3686         * lto-section-out.c (forced_extern_inline,
3687         lto_new_extern_inline_states lto_delete_extern_inline_states,
3688         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3689         * lto-streamer.h (lto_new_extern_inline_states,
3690         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3691         lto_forced_extern_inline_p): Kill.
3692
3693 2010-04-20  Richard Guenther  <rguenther@suse.de>
3694
3695         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3696         from vars that can have pointers.
3697         (process_constraint): Dump useless constraints.
3698
3699 2010-04-20  Richard Guenther  <rguenther@suse.de>
3700
3701         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3702         (dump_sa_points_to_info): Remove asserts.
3703         (init_base_vars): nothing_id isn't an escape point nor does it
3704         have pointers.
3705
3706 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3707
3708         * tree.h (TYPE_REF_IS_RVALUE): Define.
3709         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3710         should_move_die_to_comdat, prune_unused_types_walk): Handle
3711         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3712         (modified_type_die, gen_reference_type_die): Emit
3713         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3714         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3715
3716 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3717
3718         PR target/43635
3719         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3720         calls for -fpic -m31 if they have been sibcall optimized.
3721
3722 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3723
3724         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3725         ar.lc fixed and call-used.
3726
3727         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3728
3729 2010-04-19  Jan Hubicka  <jh@suse.cz>
3730
3731         * opts.c (decode_options): Disable whpr incompatible passes.
3732         * lto/lto.c (lto_1_to_1_map): Skip clones.
3733         (read_cgraph_and_symbols): Do not mark everything as needed.
3734         (do_whole_program_analysis): Do map only after optimizing;
3735         set proper cgraph_state; use passmanager.
3736
3737 2010-04-19  DJ Delorie  <dj@redhat.com>
3738
3739         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3740         POINTER_PLUS_EXPR and fix them.
3741
3742 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3743
3744         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3745         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3746         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3747         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3748         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3749         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3750         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3751         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3752         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3753         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3754         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3755
3756 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3757
3758         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3759         (check_cond_move_block): Likewise.
3760         (cond_move_process_if_block): Likewise.
3761         (noce_find_if_block): Improve formatting.
3762         (find_if_header): Pass 0 to memset and tweak conditions.
3763         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3764
3765 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3766
3767         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3768         for -gdwarf-4.
3769
3770         PR middle-end/43337
3771         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3772         with non-local decl doesn't need chain.
3773
3774 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3775
3776         * ira-color.c (allocno_reload_assign): Avoid accumulating
3777         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3778
3779 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3780
3781         * gimple.h (create_tmp_reg): Declare.
3782         * gimplify.c (create_tmp_reg): New function.
3783         (gimplify_return_expr): Use create_tmp_reg.
3784         (gimplify_omp_atomic): Likewise.
3785         (gimple_regimplify_operands): Likewise.
3786         * tree-dfa.c (make_rename_temp): Likewise.
3787         * tree-predcom.c (predcom_tmp_var): Likewise.
3788         (reassociate_to_the_same_stmt): Likewise.
3789         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3790         (get_replaced_param_substitute): Likewise.
3791         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3792         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3793         * tree-ssa-pre.c (get_representative_for): Likewise.
3794         (create_expression_by_pieces): Likewise.
3795         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3796         (create_tailcall_accumulator): Likewise.
3797
3798 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3799
3800         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3801         new_stmt.
3802         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3803
3804 2010-04-19  Richard Guenther  <rguenther@suse.de>
3805
3806         PR tree-optimization/43796
3807         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3808         from SCEV in the lattice.
3809         (vrp_visit_phi_node): Dump change.
3810
3811 2010-04-19  Richard Guenther  <rguenther@suse.de>
3812
3813         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3814         * configure: Re-generated.
3815
3816 2010-04-19  Richard Guenther  <rguenther@suse.de>
3817
3818         PR tree-optimization/43783
3819         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3820         constant ARRAY_REF operands two and three if possible.
3821
3822 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3823
3824         PR target/43766
3825         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3826
3827 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3828
3829         PR target/43662
3830         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3831
3832 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3833
3834         PR tree-optimization/37027
3835         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3836         and macro to access it.
3837         (vectorizable_reduction): Add argument.
3838         (vect_get_slp_defs): Likewise.
3839         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3840         statements for possible use in SLP.
3841         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3842         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3843         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3844         add new argument.
3845         (vectorizable_reduction): Likewise.
3846         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3847         vect_get_slp_defs.
3848         (vectorizable_type_demotion, vectorizable_type_promotion,
3849         vectorizable_store): Likewise.
3850         (vect_analyze_stmt): Update call to vectorizable_reduction.
3851         (vect_transform_stmt): Likewise.
3852         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3853         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3854         from different interleaving chains in same node.
3855         (vect_slp_rearrange_stmts): New function.
3856         (vect_supported_load_permutation_p): Allow load permutations for
3857         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3858         inside SLP nodes if necessary.
3859         (vect_analyze_slp_instance): Handle reductions.
3860         (vect_analyze_slp): Try to build SLP instances originating from groups
3861         of reductions.
3862         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3863         (vect_get_constant_vectors): Create initial vectors for reductions
3864         according to reduction code. Add new argument.
3865         (vect_get_slp_defs): Add new argument, pass it to
3866         vect_get_constant_vectors.
3867         (vect_schedule_slp_instance): Remove SLP tree root statements.
3868
3869 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3870
3871         * tree.h (ENUM_IS_SCOPED): Define.
3872         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3873         for ENUM_IS_SCOPED enums.
3874
3875 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3876
3877         * fold-const.c (fold_comparison): Use ssizetype.
3878         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3879         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3880         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3881         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3882
3883         * tree.h (initialize_sizetypes): Remove parameter.
3884         (build_common_tree_nodes): Remove second parameter.
3885         * stor-layout.c (initialize_sizetypes): Remove parameter.
3886         Always create an unsigned type.
3887         (set_sizetype): Assert that the passed type is unsigned and simplify.
3888         * tree.c (build_common_tree_nodes): Remove second parameter.
3889         Adjust call to initialize_sizetypes.
3890         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3891         build_common_tree_nodes.
3892
3893 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3894
3895         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3896
3897 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3898
3899         PR tree-optimization/43771
3900         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3901         load permutation doesn't have gaps.
3902
3903 2010-04-18  Jan Hubicka  <jh@suse.cz>
3904
3905         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3906         (sse_prologue_save_insn expander): Use new pattern.
3907         (sse_prologue_save_insn1): New pattern and splitter.
3908         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3909         blocks.
3910         * i386.c (setup_incoming_varargs_64): Do not compute jump
3911         destination here.
3912         (ix86_gimplify_va_arg): Update alignment needed.
3913         (ix86_local_alignment): Do not align all local arrays to 128bit.
3914
3915 2010-04-17  Jan Hubicka  <jh@suse.cz>
3916
3917         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3918
3919 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3920
3921         * arm.md (negdi2): Remove redundant code to force values into a
3922         register.
3923
3924 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3925
3926         * arm/bpabi.S: Add EABI alignment attributes to objects.
3927         * arm/bpabi-v6m.S: Likewise.
3928         * arm/crti.asm: Likewise.
3929         * arm/crtn.asm: Likewise.
3930         * arm/lib1funcs.asm: Likewise.
3931         * arm/libunwind.S: Likewise.
3932
3933 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3934
3935         * arm-protos.h (tune_params): New structure.
3936         * arm.c (current_tune): New variable.
3937         (arm_constant_limit): Delete.
3938         (struct processors): Add pointer to the tune parameters.
3939         (arm_slowmul_tune): New tuning option.
3940         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3941         (all_cores): Adjust to pick up the tuning model.
3942         (arm_constant_limit): New function.
3943         (arm_override_options): Select the appropriate tuning model.  Delete
3944         initialization of arm_const_limit.
3945         (arm_split_constant): Use the new constant-limit model.
3946         (arm_rtx_costs): Pick up the current tuning model.
3947         * arm.md (is_strongarm, is_xscale): Delete.
3948         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3949         for Xscale variant architectures.
3950         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3951
3952 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3953
3954         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3955         can_shift.
3956         (arm_rtx_costs_1): Remove unused variable extra_cost.
3957         (arm_unwind_emit_set): Use variable offset.
3958         (thumb1_output_casesi): Remove unused variable flags.
3959
3960 2010-04-16  Jeff Law  <law@redhat.com>
3961
3962         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3963         needing assignment rather than doing a two-phase assignment.  Remove
3964         unused variable 'm'.
3965
3966 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3967
3968         PR bootstrap/43767
3969         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3970
3971 2010-04-16  Doug Kwan  <dougkwan@google.com>
3972
3973         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3974         (next_operand_entry_id): New static variable.
3975         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3976         (add_to_ops_vec): Assigned unique ID to operand entry.
3977         (struct oecount_s): New field ID.
3978         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3979         (undistribute_ops_list): Assign unique IDs to oecounts.
3980         (init_reassoc): reset next_operand_entry_id.
3981
3982 2010-04-16  Doug Kwan  <dougkwan@google.com>
3983
3984         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3985         missing left parenthesis.
3986
3987 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3988
3989         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3990         *btdi_rex64 using SWI48 mode iterator.
3991         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3992         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3993         *jcc_btdi_mask_rex64.
3994
3995 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3996
3997         * double-int.h (tree_to_double_int): Convert to macro.
3998         * double-int.c (tree_to_double_int): Remove.
3999
4000 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4001
4002         PR debug/43762
4003         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
4004         with want_address 2 and in case a single element list might be
4005         possible, call it again with want_address 0.
4006