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* dwarf2out.c (class_scope_p): New static inline.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
2
3         * dwarf2out.c (class_scope_p): New static inline.
4         (class_or_namespace_scope_p): Use it.
5         (gen_variable_die): Use DW_TAG_member tag for static data member
6         declarations instead of DW_TAG_variable.
7
8 2009-04-08  Richard Guenther  <rguenther@suse.de>
9
10         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
11         valueize random data.
12
13 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
14
15         * config.gcc (aix tm_file):  Add aix-stdint.h.
16         (aix tm clause use_gcc_stdint):  Set to wrap.
17         * config/rs6000/aix-stdint.h:  New file.
18         
19 2009-04-08  Richard Guenther  <rguenther@suse.de>
20
21         PR middle-end/36291
22         * tree-dfa.c (add_referenced_var): Do not recurse into
23         global initializers.
24         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
25         exposed variables.
26         (fold_const_aggregate_ref): Likewise.
27
28 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
29
30         * recog.c (ordered_comparison_operator): New.
31         * gensupport.c (std_preds): Add it.
32         * doc/md.texi (Machine-Independent Predicates): Document it.
33
34 2009-04-08  Jan Hubicka  <jh@suse.cz>
35
36         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
37         * function.h (rtl_eh): Remove exception_handler_label_map.
38         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
39         remove_exception_handler_label, for_each_eh_label_1): Remove.
40         (rtl_remove_unreachable_regions): Remove.
41         (convert_from_eh_region_ranges): Do not remove unreachable regions.
42         (find_exception_handler_labels): Don't build the hashtable.
43         (maybe_remove_eh_handler): Remove.
44         (for_each_eh_label): Rewrite to walk the tree.
45         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
46         * except.h (maybe_remove_eh_handler): Remove.
47         * passes.c (init_optimization_passes): Schedule second EH cleanup
48         before out-of-ssa.
49         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
50         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
51
52 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
53
54         * genoutput.c (validate_optab_operands): New.
55         (gen_insn, gen_expand): Call it.
56
57         * genflags.c (gen_insn): Detect misused iterators.
58         (main): Pass line_no to gen_insn, exit with status 1 on error.
59
60         * genextract.c (line_no): Make global.
61         (VEC_safe_set_locstr): Change assertion to error message.
62         (main): Exit with status 1 on error.
63
64 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
65
66         PR c/39614
67         PR c/39673
68         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
69         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
70         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
71         * c-convert.c (convert): Do not call fold on results of conversion
72         functions when the result is a C_MAYBE_CONST_EXPR.
73         * c-parser.c (c_parser_postfix_expression): Do not fold condition
74         of __builtin_choose_expr.
75         * c-typeck.c (remove_c_maybe_const_expr): New.
76         (build_unary_op, build_conditional_expr, build_compound_expr,
77         build_binary_op, c_objc_common_truthvalue_conversion): Call
78         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
79         integer operands.
80
81 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
82
83         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
84         CODE to produce a new one. Add a prototype to use fold_convert_const
85
86 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
87
88         PR bootstrap/39660
89         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
90         mix declarations and code.
91
92 2009-04-08  Ben Elliston  <bje@au.ibm.com>
93
94         * gcc.c: Replace `CC' with `GCC' throughout.
95
96 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
97
98         * doc/invoke.texi: Document Atom support.
99
100 2009-04-07  Jason Merrill  <jason@redhat.com>
101
102         PR c++/25185
103         * c-common.h, c-common.c: Add flag_pretty_templates.
104         * c-opts.c (c_common_handle_option): Set it.
105         * c.opt: Add -fno-pretty-templates.
106         * doc/invoke.texi (C++ Dialect Options): Likewise.
107
108 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
109
110         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
111         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
112         (ia64_expand_builtin): Likewise.
113
114 2009-04-07  Martin Jambor  <mjambor@suse.cz>
115
116         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
117         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
118         ADDR_EXPRS are include too.
119
120 2009-04-07  Richard Guenther  <rguenther@suse.de>
121
122         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
123         decls are only used if passes as parameters or if they are
124         local statics and the call is not to a builtin.
125         (call_may_clobber_ref_p_1): Likewise.
126
127 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
128
129         * expr.c (do_store_flag): Remove last argument.  Simplify code
130         to avoid duplication of tests already done by can_compare_p.
131         (expand_expr_real_1): Adjust caller.
132
133 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
134
135         * optabs.c (can_compare_p): Test the predicate of a
136         cbranch and cstore pattern.
137
138 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
139
140         * expr.c (convert_move): Use emit_store_flag instead of
141         "emulating" it.
142
143 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
144
145         * config/i386/i386.c (ix86_compare_emitted): Remove.
146         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
147         ix86_compare_op0 like ix86_compare_emitted used to be handled.
148         * config/i386/i386.h (ix86_compare_emitted): Remove.
149         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
150         instead of ix86_compare_emitted.
151         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
152
153 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
154
155         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
156         Add t-sysroot-suffix to tmake_file.
157         * config/print-sysroot-suffix.sh: New file.
158         * config/t-sysroot-suffix: New file.
159
160 2009-04-07  Ben Elliston  <bje@au.ibm.com>
161
162         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
163         as the latter produces a warning when the target does not support
164         infinity.
165
166 2009-04-07  Ben Elliston  <bje@au.ibm.com>
167
168         * dfp.c: Replace type punning assignments with memcpy throughout.
169         * Makefile.in (dfp.o-warn): Remove.
170         
171 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
172
173         PR target/39634
174         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
175         Include soft-fp/t-softfp after rs6000/t-linux64.
176
177 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
178
179         * stor-layout.c (set_sizetype): Use the full precision of their
180         machine mode for bitsize types.
181
182 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
183
184         * config/i386/i386.md: Revert 2 accidental checkins.
185
186 2009-04-06  Joey Ye  <joey.ye@intel.com>
187             Xuepeng Guo <xuepeng.guo@intel.com>
188             H.J. Lu  <hongjiu.lu@intel.com>
189
190         Atom pipeline model, tuning and insn selection.
191         * config.gcc (atom): Add atom config options and target.
192
193         * config/i386/atom.md: New.
194
195         * config/i386/i386.c (atom_cost): New cost.
196         (m_ATOM): New macro flag.
197         (initial_ix86_tune_features): Set m_ATOM.
198         (x86_accumulate_outgoing_args): Likewise.
199         (x86_arch_always_fancy_math_387): Likewise.
200         (processor_target): Add Atom cost.
201         (cpu_names): Add Atom cpu name.
202         (override_options): Set Atom ISA.
203         (ix86_issue_rate): New case PROCESSOR_ATOM.
204         (ix86_adjust_cost): Likewise.
205
206         * config/i386/i386.h (TARGET_ATOM): New target macro.
207         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
208         (TARGET_OPT_AGU): New target option.
209         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
210         (processor_type): Add PROCESSOR_ATOM.
211
212         * config/i386/i386.md (cpu): Add new value "atom".
213         (use_carry, movu): New attr.
214         (atom.md): Include atom.md.
215         (adddi3_carry_rex64): Set attr "use_carry".
216         (addqi3_carry): Likewise.
217         (addhi3_carry): Likewise.
218         (addsi3_carry): Likewise.
219         (*addsi3_carry_zext): Likewise.
220         (subdi3_carry_rex64): Likewise.
221         (subqi3_carry): Likewise.
222         (subhi3_carry): Likewise.
223         (subsi3_carry): Likewise.
224         (x86_movdicc_0_m1_rex64): Likewise.
225         (*x86_movdicc_0_m1_se): Likewise.
226         (x86_movsicc_0_m1): Likewise.
227         (*x86_movsicc_0_m1_se): Likewise.
228         (*adddi_1_rex64): Emit add insn as much as possible.
229         (*addsi_1): Likewise.
230         (return_internal): Set atom_unit.
231         (return_internal_long): Likewise.
232         (return_pop_internal): Likewise.
233         (*rcpsf2_sse): Set atom_sse_attr attr.
234         (*qrt<mode>2_sse): Likewise.
235         (*prefetch_sse): Likewise.
236
237         * config/i386/i386-c.c (ix86_target_macros_internal): New case
238         PROCESSOR_ATOM.
239         (ix86_target_macros_internal): Likewise.
240
241         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
242         (*prefetch_sse_rex): Likewise.
243         (sse_rcpv4sf2): Likewise.
244         (sse_vmrcpv4sf2): Likewise.
245         (sse_sqrtv4sf2): Likewise.
246         (<sse>_vmsqrt<mode>2): Likewise.
247         (sse_ldmxcsr): Likewise.
248         (sse_stmxcsr): Likewise.
249         (*sse_sfence): Likewise.
250         (sse2_clflush): Likewise.
251         (*sse2_mfence): Likewise.
252         (*sse2_lfence): Likewise.
253         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
254         (<sse>_movup<ssemodesuffixf2c>): Likewise.
255         (avx_movdqu<avxmodesuffix>): Likewise.
256         (avx_lddqu<avxmodesuffix>): Likewise.
257         (sse2_movntv2di): Change attr "type" to "ssemov".
258         (sse2_movntsi): Likewise.
259         (rsqrtv8sf2): Change attr "type" to "sseadd".
260         (sse3_addsubv2df3): Set attr "atom_unit".
261         (sse3_h<plusminus_insn>v4sf3): Likewise.
262         (*sse2_pmaddwd): Likewise.
263         (*vec_extractv2di_1_rex64): Likewise.
264         (*vec_extractv2di_1_avx): Likewise.
265         (sse2_psadbw): Likewise.
266         (ssse3_phaddwv8hi3): Likewise.
267         (ssse3_phaddwv4hi3): Likewise.
268         (ssse3_phadddv4si3): Likewise.
269         (ssse3_phadddv2si3): Likewise.
270         (ssse3_phaddswv8hi3): Likewise.
271         (ssse3_phaddswv4hi3): Likewise.
272         (ssse3_phsubwv8hi3): Likewise.
273         (ssse3_phsubwv4hi3): Likewise.
274         (ssse3_phsubdv4si3): Likewise.
275         (ssse3_phsubdv2si3): Likewise.
276         (ssse3_phsubswv8hi3): Likewise.
277         (ssse3_phsubswv4hi3): Likewise.
278         (ssse3_pmaddubsw128): Likewise.
279         (sse3_pmaddubsw: Likewise.
280         (ssse3_palignrti): Likewise.
281         (ssse3_palignrdi): Likewise.
282
283 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
284
285         * doc/install.texi (Specific): Fix two cross-references to MinGW.
286
287 2009-04-06  Richard Guenther  <rguenther@suse.de>
288
289         PR tree-optimization/28868
290         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
291         of which PHI results we inserted.
292         (insert_into_preds_of_block): Record inserted PHIs.
293         (eliminate): Eliminate redundant PHI nodes.
294         (init_pre): Init inserted_phi_names.
295
296 2009-04-06  Richard Guenther  <rguenther@suse.de>
297
298         PR tree-optimization/39643
299         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
300         IMAGPART_EXPRs of complex constants.
301         (execute_fold_all_builtins): If we folded a call queue
302         TODO_update_address_taken.
303
304 2009-04-06  Jan Hubicka  <jh@suse.cz>
305
306         PR middle-end/39659
307         * except.c (remove_unreachable_regions): Propagate may_contain_throw
308         flag.
309
310 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
311
312         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
313         delay slot.
314         (ic_invalidate_array): Likewise.
315
316 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
317
318         * calls.c (emit_library_call_value_1): Fix a problem with parameter
319         alignment for library calls.
320
321 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
322
323         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
324         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
325         * config/i386/mingw-stdint.h:  New file.
326
327 2009-04-05  Richard Guenther  <rguenther@suse.de>
328
329         PR tree-optimization/39648
330         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
331         our &A vs. &A[0] IL deficiencies.
332
333 2009-04-04  Jan Hubicka  <jh@suse.cz>
334
335         * except.c (sjlj_find_directly_reachable_regions): Be ready for
336         removed toplevel regions.
337         (sjlj_mark_call_sites): Likewise.
338
339 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
340
341         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
342         (cygwin tm clause use_gcc_stdint):  Set to wrap.
343         * config/i386/cygwin-stdint.h:  New file.
344
345 2009-04-04  Richard Guenther  <rguenther@suse.de>
346
347         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
348         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
349         single-argument PHIs if we are in loop-closed SSA form.
350         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
351         for the pre-condition.
352         (slpeel_tree_peel_loop_to_edge): Likewise.
353         (vect_build_loop_niters): Take an optional sequence to append stmts.
354         (vect_generate_tmps_on_preheader): Likewise.
355         (vect_do_peeling_for_loop_bound): Take extra guards for the
356         pre-condition.
357         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
358         the cost model check.
359         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
360         guards if we are going to peel.  Do not apply versioning in that
361         case.
362         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
363         (vect_do_peeling_for_loop_bound): Likewise.
364         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
365         loop bound only record extra pre-conditions, do not apply loop
366         versioning.
367
368 2009-04-04  Richard Guenther  <rguenther@suse.de>
369
370         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
371         renaming code.
372
373 2009-04-04  Jan Hubicka  <jh@suse.cz>
374
375         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
376         last_basic_block for size of bb->index indexed array.
377         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
378         compute_out, link_btr_uses, build_btr_def_use_webs,
379         build_btr_def_use_webs, migrate_btr_defs): Likewise.
380
381 2009-04-04  Jan Hubicka  <jh@suse.cz>
382
383         * except.c (remove_eh_handler_and_replace): Break out from ...
384         (remove_eh_handler): ... here.
385         (bring_to_root): New function.
386         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
387         handled ones, bring others to root of tree.
388
389 2009-04-04  Jan Hubicka  <jh@suse.cz>
390
391         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
392         (all_phis_safe_to_merge): New function.
393         (update_info): New structure.
394         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
395         (cleanup_empty_eh): Update SSA if possible.
396
397 2009-04-04  Richard Guenther  <rguenther@suse.de>
398
399         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
400         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
401         (append_vuse): Likewise.
402
403 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
404
405         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
406         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
407         instead of REG_UNSAVED for DW_CFA_undefined.
408         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
409         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
410         outermost frame.
411
412 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
413
414         PR target/39501
415         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
416         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
417         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
418
419 2009-04-04  Richard Guenther  <rguenther@suse.de>
420
421         PR tree-optimization/8781
422         PR tree-optimization/37892
423         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
424         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
425         (valueize_refs): Call it for *& valueizations.
426         (shared_reference_ops_from_ref): Rename to ...
427         (valueize_shared_reference_ops_from_ref): ... this and valueize.
428         (shared_reference_ops_from_call): Rename to ...
429         (valueize_shared_reference_ops_from_call): ... this and valueize.
430         (vn_reference_lookup): Update.
431         (visit_reference_op_call): Likewise.
432         * tree-ssa-pre.c (phi_translate_1): Fold *&.
433         (eliminate): Value-replace the call address in call statements.
434
435 2009-04-04  Richard Guenther  <rguenther@suse.de>
436
437         PR tree-optimization/39636
438         * tree-ssa-forwprop.c
439         (forward_propagate_addr_into_variable_array_index): Check for
440         GIMPLE_ASSIGN before accessing the rhs code.
441
442 2009-04-03  Jason Merrill  <jason@redhat.com>
443
444         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
445
446 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
447
448         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
449         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
450         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
451         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
452         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
453         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
454         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
455         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
456         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
457         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
458         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
459         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
460         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
461         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
462         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
463         Use fr_reg_or_fp01_operand instead of fr_register_operand
464
465         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
466         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
467         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
468
469 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
470
471         PR rtl-optimization/39607
472         PR rtl-optimization/39631
473         Revert
474         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
475         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
476         instead of DF_LR_OUT.
477         * ira-lives.c (process_bb_node_lives): Ditto.
478         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
479         instead of DF_LR_{OUT,IN}.
480         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
481         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
482
483 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
484
485         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
486         (execute_lower_omp): Always run but take the short way out if -fopenmp
487         is not given.
488         (gate_lower_omp): Remove, forcing the pass manager to always run the
489         pass and always set PROP_gimple_lomp.
490         (pass_lower_omp): Remove gate function.
491         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
492         PROP_trees.  Instead, require it.
493         * ipa-cp.c (pass_ipa_cp): Likewise.
494         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
495         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
496         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
497         and PROP_gimple_leh.
498
499 2009-04-03  Richard Guenther  <rguenther@suse.de>
500
501         PR middle-end/13146
502         PR tree-optimization/23940
503         PR tree-optimization/33237
504         PR middle-end/33974
505         PR middle-end/34093
506         PR tree-optimization/36201
507         PR tree-optimization/36230
508         PR tree-optimization/38049
509         PR tree-optimization/38207
510         PR tree-optimization/38230
511         PR tree-optimization/38301
512         PR tree-optimization/38585
513         PR middle-end/38895
514         PR tree-optimization/38985
515         PR tree-optimization/39299
516         * tree-ssa-structalias.h: Remove.
517         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
518         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
519         (struct vuse_element_d): Remove.
520         (struct vuse_vec_d): Likewise.
521         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
522         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
523         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
524         VUSE_ELEMENT_VAR): Likewise.
525         (struct voptype_d): Likewise.
526         (NUM_VOP_FREE_BUCKETS): Likewise.
527         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
528         (struct stmt_operands_d): Remove.
529         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
530         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
531         VDEF_NUM, VDEF_VECT): Likewise.
532         (copy_virtual_operands): Remove.
533         (operand_build_cmp): Likewise.
534         (create_ssa_artificial_load_stmt): Likewise.
535         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
536         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
537         vuse_index and mayuse_index members.  Pack and move done and iter_type
538         members to the front.
539         (SSA_OP_VMAYUSE): Remove.
540         (SSA_OP_VIRTUAL_USES): Adjust.
541         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
542         (unlink_stmt_vdef): Declare.
543         (add_to_addressable_set): Remove.
544         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
545         (vrp_visit_stmt): Likewise.
546         * doc/tree-ssa.texi (Alias analysis): Update.
547         * doc/invoke.texi (max-aliased-vops): Remove docs.
548         (avg-aliased-vops): Likewise.
549         * tree-into-ssa.c (syms_to_rename): Remove.
550         (need_to_update_vops_p): Likewise.
551         (need_to_initialize_update_ssa_p): Rename to ...
552         (update_ssa_initialized_fn): ... this.  Track function we are
553         initialized for.
554         (symbol_marked_for_renaming): Simplify.
555         (add_new_name_mapping): Do not set need_to_update_vops_p.
556         (dump_currdefs): Use SYMS_TO_RENAME.
557         (rewrite_update_stmt): Always walk all uses/defs.
558         (dump_update_ssa): Adjust.
559         (init_update_ssa): Take function argument.  Track what we are
560         initialized for.
561         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
562         (create_new_def_for): Initialize for cfun, assert we are initialized
563         for cfun.
564         (mark_sym_for_renaming): Simplify.
565         (mark_set_for_renaming): Do not initialize update-ssa.
566         (need_ssa_update_p): Simplify.  Take function argument.
567         (name_mappings_registered_p): Assert we ask for the correct function.
568         (name_registered_for_update_p): Likewise.
569         (ssa_names_to_replace): Likewise.
570         (release_ssa_name_after_update_ssa): Likewise.
571         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
572         (dump_decl_set): Do not print a newline.
573         (debug_decl_set): Do it here.
574         (dump_update_ssa): And here.
575         * tree-ssa-loop-im.c (move_computations): Adjust.
576         (movement_possibility): Likewise.
577         (determine_max_movement): Likewise.
578         (gather_mem_refs_stmt): Likewise.
579         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
580         or NAME_MEMORY_TAG.
581         * tree-complex.c (update_all_vops): Remove.
582         (expand_complex_move): Adjust.
583         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
584         Simplify test for memory referencing statement.  Exclude
585         non-invariant ADDR_EXPRs.
586         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
587         * tree-loop-distribution.c (generate_memset_zero): Adjust.
588         (rdg_flag_uses): Likewise.
589         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
590         related code.
591         (tree_optimize_tail_calls_1): Also split the
592         edge from the entry block if we have degenerate PHI nodes in
593         the first basic block.
594         * tree.c (init_ttree): Remove memory-tag related code.
595         (tree_code_size): Likewise.
596         (tree_node_structure): Likewise.
597         (build7_stat): Re-write to be build6_stat.
598         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
599         (SSA_VAR_P): Adjust.
600         (struct tree_memory_tag): Remove.
601         (struct tree_memory_partition_tag): Likewise.
602         (union tree_node): Adjust.
603         (build7): Re-write to be build6.
604         * tree-pass.h (pass_reset_cc_flags): Remove.
605         (TODO_update_address_taken): New flag.
606         (pass_simple_dse): Remove.
607         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
608         * params.h (MAX_ALIASED_VOPS): Remove.
609         (AVG_ALIASED_VOPS): Likewise.
610         * omp-low.c (expand_omp_taskreg): Update SSA form.
611         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
612         aliases the lhs in a copy stmt.
613         * tree-ssa-dse.c (struct address_walk_data): Remove.
614         (memory_ssa_name_same): Likewise.
615         (memory_address_same): Likewise.
616         (get_kill_of_stmt_lhs): Likewise.
617         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
618         unused stores.  Look through PHI nodes into post-dominated regions.
619         (dse_optimize_stmt): Simplify.  Properly remove stores.
620         (tree_ssa_dse): Compute dominators.
621         (execute_simple_dse): Remove.
622         (pass_simple_dse): Likewise.
623         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
624         gimple_loaded_syms and gimple_stored_syms computation.
625         * toplev.c (dump_memory_report): Dump alias and pta stats.
626         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
627         (vn_reference_eq): Likewise.
628         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
629         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
630         valueize_vuses): Remove.
631         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
632         (get_def_ref_stmt_vuse): ... this.
633         (vn_reference_lookup_2): New function.
634         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
635         walking equivalent vuses.  Simplify.
636         (vn_reference_lookup): Likewise.
637         (vn_reference_insert): Likewise.
638         (vn_reference_insert_pieces): Likewise.
639         (visit_reference_op_call): Simplify.
640         (visit_reference_op_load): Likewise.
641         (visit_reference_op_store): Likewise.
642         (init_scc_vn): Remove shared_lookup_vuses initialization.
643         (free_scc_vn): Remove shared_lookup_vuses freeing.
644         (sort_vuses, sort_vuses_heap): Remove.
645         (get_ref_from_reference_ops): Export.
646         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
647         vector with single vuse pointer.
648         (vn_reference_lookup_pieces, vn_reference_lookup,
649         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
650         (shared_vuses_from_stmt): Remove.
651         (get_ref_from_reference_ops): Declare.
652         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
653         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
654         memory-tag related code.
655         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
656         (likely_value): Add comment, skip static-chain of call statements.
657         (surely_varying_stmt_p): Adjust.
658         (gimplify_and_update_call_from_tree): Likewise.
659         (execute_fold_all_builtins): Do not rebuild alias info.
660         (gimplify_and_update_call_from_tree): Properly update VOPs.
661         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
662         (copy_ref_info): Remove memory-tag related code.
663         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
664         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
665         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
666         computation.
667         * tree-ssa-dom.c (gimple_p): Remove typedef.
668         (eliminate_redundant_computations): Adjust.
669         (record_equivalences_from_stmt): Likewise.
670         (avail_expr_hash): Likewise.
671         (avail_expr_eq): Likewise.
672         * tree-ssa-propagate.c (update_call_from_tree): Properly
673         update VOPs.
674         (stmt_makes_single_load): Likewise.
675         (stmt_makes_single_store): Likewise.
676         * tree-ssa-alias.c: Rewrite completely.
677         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
678         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
679         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
680         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
681         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
682         Remove public functions.
683         (pass_reset_cc_flags): Remove.
684         (pass_build_alias): Move ...
685         * tree-ssa-structalias.c (pass_build_alias): ... here.
686         * tree-ssa-alias.c (may_be_aliased): Move ...
687         * tree-flow-inline.h (may_be_aliased): ... here.
688         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
689         count_uses_and_derefs): Move ...
690         * gimple.c: ... here.
691         * gimple.h (count_uses_and_derefs): Declare.
692         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
693         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
694         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
695         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
696         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
697         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
698         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
699         New functions.
700         * tree-dfa.c (refs_may_alias_p): Move ...
701         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
702         * tree-ssa-alias.h: New file.
703         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
704         (statement_sink_location): Likewise.
705         * opts.c (decode_options): Do not adjust max-aliased-vops or
706         avg-aliased-vops values.
707         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
708         (TV_CALL_CLOBBER): Likewise.
709         (TV_FLOW_SENSITIVE): Likewise.
710         (TV_FLOW_INSENSITIVE): Likewise.
711         (TV_MEMORY_PARTITIONING): Likewise.
712         (TV_ALIAS_STMT_WALK): New timevar.
713         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
714         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
715         (get_address_description): Remove memory-tag related code.
716         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
717         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
718         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
719         and immediate uses in statements.  Document.
720         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
721         (dump_symbols): Remove.
722         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
723         * alias.c (get_deref_alias_set): New function split out from ...
724         (get_alias_set): ... here.
725         * alias.h (get_deref_alias_set): Declare.
726         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
727         type parameter.  Remove restrict pointer handling.  Create a
728         ref-all pointer in case type-based alias sets do not conflict.
729         (vect_analyze_data_refs): Remove SMT related code.
730         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
731         (vectorizable_load): Likewise.
732         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
733         (DR_SYMBOL_TAG, DR_VOPS): Remove.
734         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
735         Ignore vops and SMTs.
736         (dr_analyze_alias): Likewise..
737         (free_data_ref): Likewise.
738         (create_data_ref): Likewise.
739         (analyze_all_data_dependences): Likewise.
740         (get_references_in_stmt): Adjust.
741         * tree-flow-inline.h (gimple_aliases_computed_p,
742         gimple_addressable_vars, gimple_call_clobbered_vars,
743         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
744         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
745         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
746         gimple_mem_ref_stats): Remove.
747         (gimple_vop): New function.
748         (op_iter_next_use): Remove vuses and mayuses cases.
749         (op_iter_next_def): Remove vdefs case.
750         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
751         (clear_and_done_ssa_iter): Do not set removed fields.
752         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
753         Assert we are not iterating over vuses or vdefs if not also
754         iterating over uses or defs.
755         (op_iter_init_use): Likewise.
756         (op_iter_init_def): Likewise.
757         (op_iter_next_vdef): Remove.
758         (op_iter_next_mustdef): Likewise.
759         (op_iter_init_vdef): Likewise.
760         (compare_ssa_operands_equal): Likewise.
761         (link_use_stmts_after): Handle vuse operand.
762         (is_call_used): Use is_call_clobbered.
763         (is_call_clobbered): Global variables are always call clobbered,
764         query the call-clobbers bitmap.
765         (mark_call_clobbered): Ignore global variables.
766         (clear_call_clobbered): Likewise.
767         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
768         virtual operands sanity check.
769         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
770         Remove.
771         (TARGET_MEM_REF): Remove TMR_TAG operand.
772         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
773         Remove call-clobber related code.
774         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
775         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
776         partitions or escape reason.
777         (get_single_def_stmt, get_single_def_stmt_from_phi,
778         get_single_def_stmt_with_phi): Remove.
779         (dump_referenced_vars): Tidy.
780         (get_ref_base_and_extent): Allow bare decls.
781         (collect_dfa_stats): Adjust.
782         * graphite.c (rename_variables_in_stmt): Adjust.
783         (graphite_copy_stmts_from_block): Likewise.
784         (translate_clast): Likewise.
785         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
786         (EXPR_DIES): New.
787         (translate_vuse_through_block): Use the oracle.
788         (phi_translate_1): Adjust.
789         (value_dies_in_block_x): Use the oracle.  Cache the outcome
790         in EXPR_DIES.
791         (valid_in_sets): Check if the VUSE for
792         a REFERENCE is available.
793         (eliminate): Do not remove stmts during elimination,
794         instead queue and remove them afterwards.
795         (do_pre): Do not rebuild alias info.
796         (pass_pre): Run TODO_rebuild_alias before PRE.
797         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
798         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
799         (mark_all_v_defs_stmt): Remove.
800         (mark_all_v_defs_seq): Adjust.
801         (sra_replace): Likewise.
802         (scalarize_use): Likewise.
803         (scalarize_copy): Likewise.
804         (scalarize_init): Likewise.
805         (scalarize_ldst): Likewise.
806         (todoflags): Remove.
807         (tree_sra): Do not rebuild alias info.
808         (tree_sra_early): Adjust.
809         (pass_sra): Run TODO_update_address_taken before SRA.
810         * tree-predcom.c (set_alias_info): Remove.
811         (prepare_initializers_chain): Do not call it.
812         (mark_virtual_ops_for_renaming): Adjust.
813         (mark_virtual_ops_for_renaming_list): Remove.
814         (initialize_root_vars): Adjust.
815         (initialize_root_vars_lm): Likewise.
816         (prepare_initializers_chain): Likewise.
817         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
818         (may_propagate_copy_into_stmt): Likewise.
819         (merge_alias_info): Do nothing for now.
820         (propagate_tree_value_into_stmt): Adjust.
821         (stmt_may_generate_copy): Likewise.
822         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
823         not mark symbols for renaming.
824         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
825         with the same statement, make sure to update the new pointed-to one.
826         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
827         call statements, do not mark symbols for renaming.
828         (mark_operand_necessary): Dump something.
829         (ref_may_be_aliased): New function.
830         (mark_aliased_reaching_defs_necessary_1): New helper function.
831         (mark_aliased_reaching_defs_necessary): Likewise.
832         (mark_all_reaching_defs_necessary_1): Likewise.
833         (mark_all_reaching_defs_necessary): Likewise.
834         (propagate_necessity): Do not process virtual PHIs.  For
835         non-aliased loads mark all reaching definitions as necessary.
836         For aliased loads and stores mark the immediate dominating
837         aliased clobbers as necessary.
838         (visited): New global static.
839         (perform_tree_ssa_dce): Free visited bitmap after propagating
840         necessity.
841         (remove_dead_phis): Perform simple dead virtual PHI removal.
842         (remove_dead_stmt): Properly unlink virtual operands when
843         removing stores.
844         (eliminate_unnecessary_stmts): Schedule PHI removal after
845         stmt removal.
846         * tree-ssa-ter.c (is_replaceable_p): Adjust.
847         (process_replaceable): Likewise.
848         (find_replaceable_in_bb): Likewise.
849         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
850         based on the single gimple vop.
851         (verify_flow_insensitive_alias_info): Remove.
852         (verify_flow_sensitive_alias_info): Likewise.
853         (verify_call_clobbering): Likewise.
854         (verify_memory_partitions): Likewise.
855         (verify_alias_info): Likewise.
856         (verify_ssa): Adjust..
857         (execute_update_addresses_taken): Export.  Update SSA
858         manually.  Optimize only when optimizing.  Use a local bitmap.
859         (pass_update_address_taken): Remove TODO_update_ssa, add
860         TODO_dump_func.
861         (pass_update_address_taken): Just use TODO_update_address_taken.
862         (init_tree_ssa): Do not initialize addressable_vars.
863         (verify_ssa): Verify new VUSE / VDEF properties.
864         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
865         Do not call verify_alias_info.
866         (delete_tree_ssa): Clear the VUSE, VDEF operands.
867         Do not free the loaded and stored syms bitmaps.  Reset the escaped
868         and callused solutions.  Do not free addressable_vars.
869         Remove memory-tag related code.
870         (warn_uninitialized_var): Aliases are always available.
871         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
872         * lambda-code.c (can_put_in_inner_loop): Adjust.
873         (can_put_after_inner_loop): Likewise.
874         (perfect_nestify): Likewise.
875         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
876         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
877         (vectorizable_conversion): Do not mark symbols for renaming.
878         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
879         (expand_call_inline): Unlink the calls virtual operands before
880         replacing it.
881         (tree_function_versioning): Do not call update_ssa if we are not
882         updating clones.  Simplify.
883         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
884         (propagate_with_phi): Likewise..
885         * tree-outof-ssa.c (create_temp): Remove memory tag and call
886         clobber code.  Assert we are not aliased or global.
887         * tree-flow.h: Include tree-ssa-alias.h
888         (enum escape_type): Remove.
889         (struct mem_sym_stats_d): Likewise.
890         (struct mem_ref_stats_d): Likewise.
891         (struct gimple_df): Add vop member.  Remove global_var,
892         call_clobbered_vars, call_used_vars, addressable_vars,
893         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
894         escaped and callused members.
895         (struct ptr_info_def): Remove all members, add points-to solution
896         member pt.
897         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
898         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
899         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
900         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
901         (tree-ssa-alias.o): Likewise.
902         (toplev.o): Add tree-ssa-alias.h
903         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
904         * gimple.c (gimple_set_bb): Fix off-by-one error.
905         (is_gimple_reg): Do not handle memory tags.
906         (gimple_copy): Also copy virtual operands.
907         Delay updating the statement.  Do not reset loaded and stored syms.
908         (gimple_set_stored_syms): Remove.
909         (gimple_set_loaded_syms): Likewise.
910         (gimple_call_copy_skip_args): Copy the virtual operands
911         and mark the new statement modified.
912         * tree-ssa-structalias.c (may_alias_p): Remove.
913         (set_uids_in_ptset): Take the alias set to prune with as
914         parameter.  Fold in the alias test of may_alias_p.
915         (compute_points_to_sets): Compute whether a ptr is dereferenced
916         in a local sbitmap.
917         (process_constraint): Deal with &ANYTHING on the lhs, reject all
918         other ADDRESSOF constraints on the lhs.
919         (get_constraint_for_component_ref): Assert that we don't get
920         ADDRESSOF constraints from the base of the reference.
921         Properly generate UNKNOWN_OFFSET for DEREF if needed.
922         (struct variable_info): Remove collapsed_to member.
923         (get_varinfo_fc): Remove.
924         (new_var_info): Do not set collapsed_to.
925         (dump_constraint): Do not follow cycles.
926         (dump_constraint_graph): Likewise.
927         (build_pred_graph): Likewise.
928         (build_succ_graph): Likewise.
929         (rewrite_constraints): Likewise.
930         (do_simple_structure_copy): Remove.
931         (do_rhs_deref_structure_copy): Remove.
932         (do_lhs_deref_structure_copy): Remove.
933         (collapse_rest_of_var): Remove.
934         (do_structure_copy): Re-implement.
935         (pta_stats): New global variable.
936         (dump_pta_stats): New function.
937         (struct constraint_expr): Make offset signed.
938         (UNKNOWN_OFFSET): Define special value.
939         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
940         (solution_set_expand): New helper function split out from ...
941         (do_sd_constraint): ... here.
942         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
943         (do_ds_constraint): Likewise.
944         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
945         and CALLUSED = *CALLUSED.
946         (set_union_with_increment): Make inc argument signed.
947         (type_safe): Remove.
948         (get_constraint_for_ptr_offset): Handle unknown and negative
949         constant offsets.
950         (first_vi_for_offset): Handle offsets before start.  Bail
951         out early for offsets beyond the variable extent.
952         (first_or_preceding_vi_for_offset): New function.
953         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
954         Together with ESCAPED = *ESCAPED this properly computes reachability.
955         (find_what_var_points_to): New function.
956         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
957         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
958         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
959         pt_solutions_intersect): New functions.
960         (compute_call_used_vars): Remove.
961         (compute_may_aliases): New main entry into PTA computation.
962         * gimple.h (gimple_p): New typedef.
963         (struct gimple_statement_base): Remove references_memory_p.
964         (struct gimple_statement_with_memory_ops_base): Remove
965         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
966         members.
967         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
968         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
969         gimple_set_references_memory): Remove.
970         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
971         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
972         New functions.
973         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
974         (verify_expr): Allow RESULT_DECL.
975         (gimple_duplicate_bb): Do not copy virtual operands.
976         (gimple_duplicate_sese_region): Adjust.
977         (gimple_duplicate_sese_tail): Likewise.
978         (mark_virtual_ops_in_region): Remove.
979         (move_sese_region_to_fn): Do not call it.
980         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
981         and pass_simple_dse.
982         (execute_function_todo): Handle TODO_update_address_taken,
983         call execute_update_addresses_taken for TODO_rebuild_alias.
984         (execute_todo): Adjust.
985         (execute_one_pass): Init dump files early.
986         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
987         call-clobbered.
988         (create_general_new_stmt): Clear vops.
989         * tree-ssa-reassoc.c (get_rank): Adjust.
990         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
991         symbols for renaming.
992         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
993         (PARAM_AVG_ALIASED_VOPS): Likewise.
994         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
995         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
996         * tree-ssa-operands.c: Simplify for new virtual operand
997         representation.
998         (operand_build_cmp, copy_virtual_operands,
999         create_ssa_artificial_load_stmt, add_to_addressable_set,
1000         gimple_add_to_addresses_taken): Remove public functions.
1001         (unlink_stmt_vdef): New function.
1002
1003 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1004
1005         * config.gcc (powerpc-*-linux*): Merge variants.
1006
1007 2009-04-02  Chao-ying Fu  <fu@mips.com>
1008             James Grosbach <james.grosbach@microchip.com>
1009
1010         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1011         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1012         cop0_sp_offset.
1013         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1014         keep_interrupts_masked_p, use_debug_exception_return_p.
1015         (mips_attribute_table): Add interrupt, use_shadow_register_set,
1016         keep_interrupts_masked, use_debug_exception_return.
1017         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1018         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1019         New functions.
1020         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1021         (mips_print_operand): Process COP0 registers to print $0 .. $31
1022         correctly for GAS to process.
1023         (mips_interrupt_extra_call_saved_reg_p): New function.
1024         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1025         extra registers.
1026         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1027         (mips_compute_frame_info): Add supports for interrupt context that
1028         includes doubleword accumulators and COP0 registers.
1029         (mips_for_each_saved_acc): New function.
1030         (mips_for_each_saved_gpr_and_fpr): Change the function name from
1031         mips_for_each_saved_reg.
1032         (mips_save_reg): Save accumulators.
1033         (mips_kernel_reg_p): A new for_each_rtx callback.
1034         (mips_expand_prologue): Support interrupt handlers.
1035         (mips_restore_reg): Restore accumulators.
1036         (mips_expand_epilogue): Support interrupt handlers.
1037         (mips_can_use_return_insn): Return false for interrupt handlers.
1038         (mips_epilogue_uses): New function.
1039         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1040         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1041         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1042         cop0_move): New instructions.
1043         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1044         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1045         defines.
1046         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1047         New defines.
1048         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1049         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1050         interrupt handlers, we use K0 as the temporary register.
1051         (EPILOGUE_USES): Change to a function call.
1052         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1053         handlers, we use K0 as the temporary register.
1054         
1055         * doc/extend.texi (Function Attributes): Document interrupt,
1056         use_shadow_register_set, keep_interrupts_masked,
1057         use_debug_exception_return for MIPS attributes.
1058
1059 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
1060
1061         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1062         Remove a number of t-files from tmake_file.
1063         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1064         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1065         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1066         target_prototype, not TARGET_PROTOTYPE.
1067         (LINK_OS_GNU_SPEC): Define.
1068         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1069         and darwin-ldoubdle.c.
1070
1071 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1072
1073         PR driver/39293
1074         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1075         (cpp_options): Ditto.
1076         (default_compilers): Ditto.
1077         (display_help): Ditto.
1078         (process_command): Ditto.
1079         (do_spec_1): Ditto.
1080         (set_input): Use lbasename instead of duplicate code.
1081         (save_temps_prefix): New static for -save-temps=obj.
1082         (save_temps_length): Ditto.
1083         
1084         * doc/invoke.texi (-save-temps=obj): Document new variant to
1085         -save-temps switch.
1086
1087 2009-04-02  Jeff Law  <law@redhat.com>
1088
1089         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1090         variable.
1091
1092 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1093
1094         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1095         * configure: Regenerated.
1096
1097 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1098
1099         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1100         share the argument list.
1101
1102 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1103
1104         Merge
1105
1106         2009-02-12  Diego Novillo  <dnovillo@google.com>
1107
1108         * varpool.c (debug_varpool): New.
1109         * cgraph.h (debug_varpool): Declare.
1110
1111 2009-04-02  Jan Hubicka  <jh@suse.cz>
1112
1113         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1114         pass.
1115
1116 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1117
1118         * config/i386/i386.c (ix86_abi): Move initialization to ...
1119         (override_options): Here.
1120
1121 2009-04-02  Christian Bruel  <christian.bruel@st.com>
1122
1123         * config/sh/sh.c (sh_dwarf_register_span): New function.
1124         (TARGET_DWARF_REGISTER_SPAN): Define.
1125         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1126         
1127 2009-04-02  Ira Rosen  <irar@il.ibm.com>
1128
1129         PR tree-optimization/39595
1130         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
1131         interleaved loads group is not  greater than the SLP group size.
1132
1133 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
1134
1135         * builtins.c (is_builtin_name): New.
1136         (called_as_built_in): Use is_builtin_name.
1137         * tree.h (is_builtin_name): New.
1138         * varasm.c (incorporeal_function_p): Use is_builtin_name
1139
1140 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
1141
1142         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1143
1144 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
1145
1146         PR c++/26693
1147         * c-decl.c: (clone_underlying_type): Move this ...
1148         * c-common.c (set_underlying_type): ... here.
1149         Also, make sure the function properly sets TYPE_STUB_DECL() on
1150         the newly created typedef variant type.
1151         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1152         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1153
1154 2009-04-02  Richard Guenther  <rguenther@suse.de>
1155
1156         PR tree-optimization/37221
1157         * tree-flow.h (degenerate_phi_result): Declare.
1158         * tree-ssa-dom.c (degenerate_phi_result): Export.
1159         * tree-scalar-evolution.c (analyze_initial_condition): If
1160         the initial condition is defined by a degenerate PHI node
1161         use the degenerate value.
1162
1163 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
1164
1165         PR rtl-optimization/39588
1166         * combine.c (merge_outer_ops): Do not set the constant when this
1167         is not necessary.
1168         (simplify_shift_const_1): Do not modify it either in this case.
1169
1170 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1171
1172         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1173         tuning is deprecated if -mtune value is set to an Itanium1 variant.
1174
1175 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
1176
1177         PR c/29027
1178         * c-lex.c (interpret_float): Default (no suffix) is double.
1179
1180 2009-04-1  Xinliang David Li  <davidxl@google.com>
1181
1182         * config/i386/i386.c (legitimate_constant_p): Recognize
1183         all one vector constant.
1184
1185 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1186
1187         * gcc/config/vax/vax.c: Add #includes to silence warnings.
1188         Change #include order to silence two warnings.
1189
1190 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1191
1192         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1193         (ASM_SPEC): Pass -k to the assembler for PIC code.
1194
1195 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1196
1197         * gcc/config.gcc: Add vax-*-linux* to the switch.
1198         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1199         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1200
1201 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1202
1203         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1204         Use predicate macros instead of GET_CODE() == foo.
1205         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1206         ashlsi3, rotrsi3, <unnamed>): Likewise.
1207
1208 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1209
1210         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1211         jbbccihi, jbbccisi): Remova trailing whitespace.
1212         * gcc/config/vax/constraints.md: Likewise.
1213         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1214         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1215         * gcc/config/vax/predicates.md: Likewise.
1216         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1217         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1218         * gcc/config/vax/vax.h: Likewise.
1219         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1220
1221 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1222
1223         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1224         (indirectable_address_p, adjacent_operands_p): Add spaces around
1225         braces.
1226         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1227
1228 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1229
1230         * gcc/config/vax/vax.c (legitimate_constant_address_p,
1231         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1232         index_term_p, reg_plus_index_p, legitimate_address_p,
1233         vax_mode_dependent_address_p): Update comments to match functions
1234         modified by the recent int->bool conversion.
1235
1236 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1237
1238         * gcc/config/vax/builtins.md: Update copyright message.
1239         * gcc/config/vax/constraints.md: Likewise.
1240         * gcc/config/vax/netbsd-elf.h: Likewise.
1241         * gcc/config/vax/predicates.md: Likewise.
1242         * gcc/config/vax/vax-protos.h: Likewise.
1243         * gcc/config/vax/vax.c: Likewise.
1244         * gcc/config/vax/vax.h: Likewise.
1245         * gcc/config/vax/vax.md: Likewise.
1246         * gcc/config/vax/vax.opt: Likewise.
1247
1248 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1249
1250         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1251         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1252         * gcc/config/vax/constraints.md (B, R): Likewise.
1253         * gcc/config/vax/predicates.md (external_memory_operand,
1254         nonimmediate_addsub_di_operand): Likewise.
1255         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1256         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1257         untyped_call): Likewise.
1258
1259 2009-04-01      Matt Thomas <matt@3am-software.com>
1260
1261         * config/vax/predicates.md: New file. (symbolic_operand,
1262         local_symbolic_operand, external_symbolic_operand,
1263         external_const_operand, nonsymbolic_operand, external_memory_operand,
1264         indirect_memory_operand, indexed_memory_operand,
1265         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1266         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1267         predicate.
1268         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
1269         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1270         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1271         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1272         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1273         * config/vax/vax.opt (mqmath): Add option.
1274         * config/vax/vax.md (isfx): Extend with DI.
1275         (VAXintQH, VAXintQHSD): Define.
1276         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1277         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1278         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1279         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1280         (movdi): Update constraints and use vax_output_int_move().
1281         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1282         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1283         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1284         nonlocal_goto): New.
1285         (mov<mode>): Extend accepted operand types.
1286         (subdi3_old): Rename from subdi3, change update constraints and use
1287         a new implementation.
1288         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1289         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1290         MOVE_RATIO, CLEAR_RATIO): Define.
1291         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1292         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1293         (PRINT_OPERAND): Redefine using a function instead of inlined code.
1294         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1295         (split_quadword_operands): Make static and really allow variable
1296         splitting.
1297         (print_operand_address): Update for PIC generation.
1298         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1299         indexable_address_p, fixup_mathdi_operand,
1300         vax_expand_addsub_di_operands, adjacent_operands_p): New.
1301         (vax_float_literal, legitimate_constant_p,
1302         indirectable_constant_address_p, index_term_p,
1303         reg_plus_index_p): Return bool instead of int.
1304         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1305         where needed.
1306         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1307         generation.
1308         (vax_output_conditional_branch): Indent.
1309         (legitimate_constant_address_p, indirectable_constant_address_p,
1310         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1311         vax_mode_dependent_address_p): Return bool instead of int, update for
1312         PIC generation.
1313         * config/vax/vax-protos.h (legitimate_constant_address_p,
1314         legitimate_constant_p, legitimate_address_p,
1315         vax_mode_dependent_address_p): Change declaration to bool.
1316         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1317         vax_expand_addsub_di_operands, vax_output_int_subtract,
1318         vax_output_movmemsi): Declare.
1319         (split_quadword_operands, vax_float_literal): Delete declaration.
1320         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1321         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1322         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1323         ASM_OUTPUT_DWARF_PCREL): Define.
1324         (ASM_SPEC): Change definition to allow PIC generation.
1325
1326 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1327
1328         PR target/39226
1329         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1330         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1331         (booldi3_internal3): Use boolean_or_operator instead of
1332         boolean_operator.
1333
1334 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
1335
1336         PR c/39605
1337         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1338         declarator whose size is not an integer constant expression but
1339         folds to an integer constant, then treat it as a constant
1340         subsequently.
1341
1342 2009-04-01  Richard Guenther  <rguenther@suse.de>
1343
1344         * fold-const.c (fold_plusminus_mult_expr): Do not fold
1345         i * 4 + 2 to (i * 2 + 1) * 2.
1346
1347 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1348
1349         PR c/37772
1350         * c-parser.c (c_parser_asm_statement): Skip until close paren and
1351         return if c_parser_asm_string_literal returned NULL.
1352
1353 2009-04-01  Nick Clifton  <nickc@redhat.com>
1354
1355         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1356         already defined.
1357         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1358         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
1359         other typedefs to avoid conflicts with libgcc2.c.  Define labels
1360         to gain 16-bit bit-manipulation functions from libgcc2.c and then
1361         include it.
1362         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
1363         to gain 16-bit trapping arithmetic functions from libgcc2.c and
1364         then include it.
1365
1366 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
1367
1368        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1369
1370 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
1371             Andrey Galkin <agalkin@hypercom.com>
1372
1373         PR/39492
1374         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1375         Make object_name unique for each process.
1376
1377 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1378
1379         PR other/39591
1380         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1381         addressable variables in the parallel that could go out of scope while
1382         running queued tasks.
1383
1384 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
1385
1386         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1387         (CASE_VALUES_THRESHOLD): Redefine.
1388         * config/avr/avr.c (avr_override_options): Remove initialization of
1389         avr_case_values_threshold variable.
1390         (avr_case_values_threshold): Remove variable. Add new function.
1391         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1392         * config/avr/avr.opt (mno-tablejump): Remove option.
1393         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1394
1395 2009-04-01  DJ Delorie  <dj@redhat.com>
1396
1397         * varasm.c (default_function_rodata_section): Don't assume
1398         anything about where the first '.' in the section name is.
1399
1400 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
1401
1402         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1403         rs6000_emit_stack_tie.
1404
1405 2009-03-31  Ian Lance Taylor  <iant@google.com>
1406
1407         * tree-eh.c (tree_remove_unreachable_handlers): Compare
1408         gimple_code with GIMPLE_RESX, not RESX.
1409
1410 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1411
1412         * c-common.c (c_get_ident): New.
1413         (c_common_nodes_and_builtins): Call it for type names that may be
1414         NULL.
1415
1416 2009-04-01  Ben Elliston  <bje@au.ibm.com>
1417
1418         * config/rs6000/sysv4.opt (msdata): Improve option description.
1419
1420 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
1421
1422         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1423         (divdf3_internal_lat): Remove.
1424         (divxf3_internal_lat): Remove.
1425         (divxf3_internal_thr): Remove.
1426         (divxf): Use divxf3_internal.
1427         * config/ia64/div.md (divsf3_internal_lat): New.
1428         (divdf3_internal_lat): New.
1429         (divxf3_internal): New.
1430
1431 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1432
1433         PR c/448
1434         * Makefile.in (USE_GCC_STDINT): Define.
1435         (stmp-int-hdrs): Install stdint.h if applicable.
1436         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1437         if known.
1438         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1439         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1440         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1441         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1442         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1443         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1444         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1445         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1446         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1447         (c_common_nodes_and_builtins): Initialize
1448         underlying_wchar_type_node.  Do not initialize
1449         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
1450         nodes for new types.
1451         (c_stddef_cpp_builtins): Define macros for new types.
1452         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1453         Remove.
1454         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1455         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1456         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1457         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1458         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1459         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1460         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1461         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1462         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1463         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1464         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1465         int16_type_node, int32_type_node, int64_type_node,
1466         uint8_type_node, uint16_type_node, c_uint32_type_node,
1467         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1468         int_least32_type_node, int_least64_type_node,
1469         uint_least8_type_node, uint_least16_type_node,
1470         uint_least32_type_node, uint_least64_type_node,
1471         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1472         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1473         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1474         uintptr_type_node): Define.
1475         * c-cppbuiltin.c (builtin_define_constants,
1476         builtin_define_type_minmax): New.
1477         (builtin_define_stdint_macros): Define more macros.
1478         (c_cpp_builtins): Define more limit macros.
1479         (type_suffix): New.
1480         (builtin_define_type_max): Define in terms of
1481         builtin_define_type_minmax.  Remove is_long parameter.  All
1482         callers changed.
1483         * config.gcc (use_gcc_stdint): Define.
1484         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1485         Add newlib-stdint.h for generic targets.
1486         * config/glibc-stdint.h, config/newlib-stdint.h,
1487         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1488         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1489         * config/score/score.h (UINTPTR_TYPE): Define.
1490         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1491         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1492         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1493         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1494         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1495         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1496         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1497         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1498         * config/spu/spu.h (STDINT_LONG32): Define.
1499         * configure.ac (use_gcc_stdint): Substitute.
1500         * configure: Regenerate.
1501         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1502         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1503         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1504         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1505         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1506         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1507         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1508         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1509         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1510         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1511         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1512         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1513         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1514         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1515         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1516         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1517         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1518         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1519         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1520         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1521         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1522         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1523         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1524         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1525         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1526         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1527         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1528         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1529         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1530
1531 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1532
1533         * loop-iv.c (suitable_set_for_replacement): Renamed from
1534         simplify_using_assignment; changed to return bool and to accept new
1535         args DEST and SRC.  Return true iff we find a source/destination pair
1536         that can be used to make a replacement, and fill SRC and DEST if so.
1537         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
1538         changed.
1539         (simplify_using_initial_values): Deal with altered regs here and track
1540         more precisely the effect they have on the validity of our expression.
1541
1542         * loop-iv.c (simplify_using_condition): A condition of the form
1543         (EQ REG CONST) can be used to simply make a substitution.
1544         (simplify_using_initial_values): Keep track of conditions we have seen
1545         and keep using them to simplify new expressions, while applying the
1546         same substitutions to them as to the expression.
1547
1548         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1549         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1550         GEU/LTU reversed.
1551
1552         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
1553         changed.  Use this when trying to improve the upper bound.
1554         Generate the comparison by using simplify_gen_relational.
1555
1556         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1557
1558         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1559         functions.
1560         (simplify_using_assignment, simplify_using_initial_values): Call 
1561         replace_in_expr to make replacements.  Call replace_single_def_regs
1562         once on the initial version of the expression.
1563
1564 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1565
1566         PR target/27237
1567         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1568         
1569 2009-03-31  Richard Guenther  <rguenther@suse.de>
1570
1571         PR middle-end/31029
1572         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1573         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
1574
1575 2009-03-31  Richard Guenther  <rguenther@suse.de>
1576
1577         * tree.h (div_if_zero_remainder): Declare.
1578         * fold-const.c (div_if_zero_remainder): Export.
1579         * tree-ssa-forwprop.c
1580         (forward_propagate_addr_into_variable_array_index): Handle
1581         constant array index addition outside of the variable index.
1582
1583 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1584
1585         PR target/39592
1586         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1587         define_splits, floatunssi<mode>2): Require x87 conversions from
1588         DImode to be permitted.
1589
1590 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1591
1592         PR preprocessor/15638
1593         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1594
1595 2009-03-31  Richard Guenther  <rguenther@suse.de>
1596
1597         PR middle-end/23401
1598         PR middle-end/27810
1599         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1600         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1601         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1602         a separate statement.
1603         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1604         (lookup_tmp_var): Likewise.
1605         (is_gimple_formal_tmp_or_call_rhs): Remove.
1606         (is_gimple_reg_or_call_rhs): Rename to ...
1607         (is_gimple_reg_rhs_or_call): ... this.
1608         (is_gimple_mem_or_call_rhs): Rename to ...
1609         (is_gimple_mem_rhs_or_call): ... this.
1610         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
1611         DECL_GIMPLE_REG_P only if is_formal is true.
1612         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
1613         for non-proper post-modify expression gimplification.
1614         (gimplify_self_mod_expr): For post-modify expressions gimplify
1615         the lvalue to a minimal lvalue.
1616         (rhs_predicate_for): Remove formal temp case.
1617         (gimplify_modify_expr_rhs): Likewise.
1618         (gimplify_addr_expr): Use is_gimple_reg.
1619         (gimplify_expr): Remove formal temp cases.
1620         (gimple_regimplify_operands): Likewise.
1621         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1622         and FILTER_EXPR like constants.
1623         * gimple.c (walk_gimple_op): Fix val_only initialization, use
1624         is_gimple_reg.
1625         (is_gimple_formal_tmp_rhs): Remove.
1626         (is_gimple_reg_rhs): Remove special casing.
1627         (is_gimple_mem_rhs): Fix.
1628         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1629         (is_gimple_formal_tmp_var): Remove.
1630         (is_gimple_formal_tmp_reg): Likewise.
1631         (is_gimple_min_lval): Allow invariant component ref parts.
1632         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1633         is_gimple_formal_tmp_reg): Remove declarations.
1634         * tree-cfg.c (verify_expr): Verify that variables with address
1635         taken do not have DECL_GIMPLE_REG_P set.
1636         * tree-mudflap.c (mf_build_check_statement_for): Use
1637         force_gimple_operand instead of gimplify_expr.
1638
1639 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
1640
1641         * modulo-sched.c (sms_schedule_by_order): Pass the actual
1642         schedulable rows to compute_split_row.
1643
1644 2009-03-31  Ben Elliston  <bje@au.ibm.com>
1645
1646         PR target/31635
1647         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1648         OPT_mvrsave.
1649
1650 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1651
1652         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1653         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1654         * configure: Regenerate.
1655         * config.in: Regenerate.
1656         * config/rs6000/rs6000.opt (mtls-markers): Add.
1657         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1658         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1659         (tls_ld_aix, tls_ld_sysv): Likewise.
1660         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1661         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1662
1663 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1664
1665         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1666
1667 2009-03-30  Jan Hubicka  <jh@suse.cz>
1668
1669         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1670         out of RESX.
1671         (tree_remove_unreachable_handlers): Cleanup EH predecestor
1672         detection and label handling.
1673
1674 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1675
1676         * ira-int.h (ira_allocno): Rename left_conflicts_num to
1677         left_conflicts_size.
1678         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1679         ALLOCNO_LEFT_CONFLICTS_SIZE.
1680
1681         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1682         remove_allocno_from_bucket_and_push,
1683         allocno_spill_priority_compare, push_allocnos_to_stack,
1684         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1685         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1686         (setup_allocno_left_conflicts_num): Ditto.  Rename to
1687         setup_allocno_left_conflicts_size.
1688         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1689         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1690         setup_allocno_left_conflicts_size instead of
1691         setup_allocno_left_conflicts_num.
1692
1693         * ira-build.c (ira_create_allocno): Use
1694         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1695         ALLOCNO_LEFT_CONFLICTS_NUM.
1696                 
1697 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1698
1699         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1700         instead of DF_LR_OUT.
1701
1702         * ira-lives.c (process_bb_node_lives): Ditto.
1703
1704         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1705         instead of DF_LR_{OUT,IN}.
1706
1707         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1708
1709         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1710
1711 2009-03-30  Jan Hubicka  <jh@suse.cz>
1712
1713         * except.c (label_to_region_map): Fix thinko.
1714
1715 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
1716
1717         PR middle-end/38237
1718         * tree.h (tree_find_value): New declaration.
1719         * tree.c (tree_find_value): New function.
1720         * varasm.c (assemble_external): Avoid duplicate entries on lists.
1721
1722 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1723
1724         PR debug/39563
1725         * c-decl.c (struct c_binding): Add locus field.
1726         (bind): Add locus argument, set locus field from it.
1727         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1728         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1729         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1730         implicitly_declare, undeclared_variable, lookup_label,
1731         declare_label, c_make_fname_decl, c_builtin_function,
1732         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1733         bind callers.
1734
1735 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1736
1737         PR target/38781
1738         * config/i386/i386.c (classify_argument): Check total size of
1739         structure.
1740
1741 2009-03-30  Martin Jambor  <mjambor@suse.cz>
1742
1743         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1744         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1745         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1746         respectively.
1747
1748         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1749         seen_variable_array_ref while also traversing a union.
1750
1751         * tree-inline.c (optimize_inline_calls): Do not call
1752         cgraph_node_remove_callees.
1753         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1754         (pass_remove_cgraph_callee_edges): New variable.
1755         * passes.c (init_optimization_passes): Add
1756         pass_remove_cgraph_callee_edges after early inlining and before all
1757         late intraprocedural passes.
1758
1759         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1760
1761 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1762
1763         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1764         Fix typos in names.
1765
1766 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1767
1768         * combine.c (simplify_comparison): Use have_insn_for.
1769         * dojump.c (do_jump): Likewise.
1770
1771 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1772
1773         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1774         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1775         sparc_compare_op0 like sparc_compare_emitted used to be handled.
1776         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1777         instead of sparc_compare_emitted.
1778         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1779         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1780         instead of sparc_compare_emitted.
1781
1782 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1783
1784         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1785         enter/exit cfglayout mode.
1786         (pass_partition_block): Require it.
1787         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1788         (combine_instructions): Track basic blocks instead of labels.
1789         (update_cfg_for_uncondjump): New.
1790         (try_combine): Use it.  Update jumps after rescanning.
1791         (pass_combine): Require PROP_cfglayout.
1792         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1793
1794 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1795
1796         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1797         Provide/destroy PROP_cfglayout respectively.
1798         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1799         * tree-pass.h (PROP_cfglayout): New.
1800
1801 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1802
1803         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1804         fold_convert_const_fixed_from_fixed,
1805         fold_convert_const_fixed_from_int,
1806         fold_convert_const_fixed_from_real, fold_negate_const): Do not
1807         set TREE_CONSTANT_OVERFLOW.
1808         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1809         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1810
1811 2009-03-30  Ira Rosen  <irar@il.ibm.com>
1812
1813         * tree-vect-loop-manip.c: New file.
1814         * tree-vectorizer.c: Update documentation and included files.
1815         (vect_loop_location): Make extern.
1816         (rename_use_op): Move to tree-vect-loop-manip.c
1817         (rename_variables_in_bb, rename_variables_in_loop, 
1818         slpeel_update_phis_for_duplicate_loop, 
1819         slpeel_update_phi_nodes_for_guard1,
1820         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1821         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1822         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1823         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
1824         find_loop_location): Likewise.
1825         (new_stmt_vec_info): Move to tree-vect-stmts.c.
1826         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1827         get_vectype_for_scalar_type, vect_is_simple_use,
1828         supportable_widening_operation, supportable_narrowing_operation):
1829         Likewise.
1830         (bb_in_loop_p): Move to tree-vect-loop.c.
1831         (new_loop_vec_info, destroy_loop_vec_info, 
1832         reduction_code_for_scalar_code, report_vect_op, 
1833         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1834         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1835         (vect_supportable_dr_alignment): Likewise.
1836         * tree-vectorizer.h (tree-data-ref.h): Include.
1837         (vect_loop_location): Declare.
1838         Reorganize function declarations according to the new file structure.
1839         * tree-vect-loop.c: New file.
1840         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
1841         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1842         * tree-vect-data-refs.c: New file.
1843         * tree-vect-patterns.c (timevar.h): Don't include.
1844         * tree-vect-stmts.c: New file.
1845         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
1846         tree-vect-slp.c, tree-vect-loop.c.
1847         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
1848         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
1849         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1850         (tree-vect-analyze.o): Remove.
1851         (tree-vect-transform.o): Likewise.
1852         (tree-vect-data-refs.o): Add rule.
1853         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
1854         tree-vect-slp.o): Likewise.
1855         (tree-vect-patterns.o): Remove redundant dependencies.
1856         (tree-vectorizer.o): Likewise.
1857         * tree-vect-slp.c: New file.
1858
1859 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1860
1861         * optc-gen.awk: Warn if an option flag has multiple different
1862         help strings.
1863
1864 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1867         -floop-block): Document dependences on PPL, CLooG and Graphite.
1868
1869 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1870
1871         PR rtl-optimization/323
1872         * c-common.c (c_fully_fold, convert_and_check,
1873         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1874         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1875         * c-common.def (EXCESS_PRECISION_EXPR): New.
1876         * c-cppbuiltin.c (builtin_define_float_constants): Define
1877         constants with enough digits for long double.
1878         * c-lex.c (interpret_float): Interpret constant with excess
1879         precision where appropriate.
1880         * c-opts.c (c_common_post_options): Set
1881         flag_excess_precision_cmdline.  Give an error for
1882         -fexcess-precision=standard for C++ for processors where the
1883         option is significant.
1884         * c-parser.c (c_parser_conditional_expression): Handle excess
1885         precision in condition.
1886         * c-typeck.c (convert_arguments): Handle arguments with excess
1887         precision.
1888         (build_unary_op): Move excess precision outside operation.
1889         (build_conditional_expr): Likewise.
1890         (build_compound_expr): Likewise.
1891         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1892         (build_modify_expr): Handle excess precision in RHS.
1893         (convert_for_assignment): Handle excess precision in converted
1894         value.
1895         (digest_init, output_init_element, process_init_element): Handle
1896         excess precision in initializer.
1897         (c_finish_return): Handle excess precision in return value.
1898         (build_binary_op): Handle excess precision in operands and add
1899         excess precision as needed for operation.
1900         * common.opt (-fexcess-precision=): New option.
1901         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1902         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1903         For standard excess precision, output explicit conversion to and
1904         truncation from XFmode.
1905         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1906         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1907         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1908         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1909         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1910         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1911         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1912         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1913         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1914         define_splits, sqrt<mode>2): Disable where appropriate for
1915         standard excess precision.
1916         * convert.c (convert_to_real): Do not shorten arithmetic to type
1917         for which excess precision would be used.
1918         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1919         * doc/invoke.texi (-fexcess-precision=): Document option.
1920         (-mfpmath=): Correct index entry.
1921         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1922         flag_excess_precision): New.
1923         * langhooks.c (lhd_post_options): Set
1924         flag_excess_precision_cmdline.
1925         * opts.c (common_handle_option): Handle -fexcess-precision=.
1926         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1927         init_excess_precision): New.
1928         (lang_dependent_init_target): Call init_excess_precision.
1929         * tree.c (excess_precision_type): New.
1930         * tree.h (excess_precision_type): Declare.
1931
1932 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1933
1934         PR c/35235
1935         * c-typeck.c (build_component_ref): Do not copy qualifiers from
1936         non-lvalue to component.
1937
1938 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1939
1940         PR preprocessor/34695
1941         * Makefile.in (c-opts.o): Depend on c-tree.h.
1942         * c-common.c: Move down include of diagnostic.h.
1943         (done_lexing, c_cpp_error): New.
1944         * c-common.h (done_lexing): Declare.
1945         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1946         (parse_in).
1947         * c-opts.c: Include c-tree.h.
1948         (c_common_init_options): Set preprocessor error callback.
1949         (c_common_handle_option): Do not set preprocessor
1950         inhibit_warnings, warnings_are_errors, warn_system_headers,
1951         pedantic_errors or inhibit_warnings flags.
1952         (c_common_post_options): Do not check cpp_errors (parse_in).
1953         (c_common_finish): Do not output dependencies if there were
1954         errors.  Do not check return value of cpp_finish.
1955         * c-ppoutput.c (pp_file_change): Set input_location.
1956         * c-tree.h (c_cpp_error): Declare.
1957         * diagnostic.c (diagnostic_set_info_translated): Also initialize
1958         override_column.
1959         (diagnostic_build_prefix): Check override_column.
1960         * diagnostic.h (diagnostic_info): Add override_column field.
1961         (diagnostic_override_column): Define.
1962
1963 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
1964
1965         * c-common.c (c_expand_expr, c_staticp): Remove.
1966         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1967         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1968         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1969         * c-gimplify.c (gimplify_compound_literal_expr,
1970         optimize_compound_literals_in_ctor): Remove.
1971         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1972         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1973         * c-semantics.c (emit_local_var): Remove.
1974
1975         * langhooks-def.h (lhd_expand_expr): Remove.
1976         * langhooks.c (lhd_expand_expr): Remove.
1977         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1978
1979         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1980         handling from c-semantics.c; don't call into langhook.
1981         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1982         * gimplify.c (gimplify_compound_literal_expr,
1983         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1984         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1985         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1986         as was done in c-gimplify.c.
1987         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1988         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1989         Move from c-common.h.
1990         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1991
1992         * tree.c (staticp): Do not call langhook.
1993         * langhooks.c (lhd_staticp): Delete.
1994         * langhooks-def.h (lhd_staticp): Delete prototype.
1995         (LANG_HOOKS_STATICP): Delete.
1996         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1997
1998         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1999         instead of DECL_STMTs.
2000
2001 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
2002
2003         PR c/456
2004         PR c/5675
2005         PR c/19976
2006         PR c/29116
2007         PR c/31871
2008         PR c/35198
2009         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2010         void_type_node.
2011         (fold_call_expr): Return a NOP_EXPR from folding rather than the
2012         contained expression.
2013         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
2014         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
2015         conditional expressions for C.
2016         (decl_constant_value_for_optimization): Move from
2017         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
2018         whether optimizing and that the expression is a VAR_DECL not of
2019         array type instead of doing such checks in the caller.  Do not
2020         check pedantic.  Call gcc_unreachable for C++.
2021         * c-common.def (C_MAYBE_CONST_EXPR): New.
2022         * c-common.h (c_fully_fold, c_save_expr,
2023         decl_constant_value_for_optimization): New prototypes.
2024         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2025         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2026         EXPR_INT_CONST_OPERANDS): Define.
2027         * c-convert.c (convert): Strip nops from expression.
2028         * c-decl.c (groktypename): Take extra parameters expr and
2029         expr_const_operands.  Update call to grokdeclarator.
2030         (start_decl): Update call to grokdeclarator.  Add statement for
2031         expressions used in type of decl.
2032         (grokparm): Update call to grokdeclarator.
2033         (push_parm_decl): Update call to grokdeclarator.
2034         (build_compound_literal): Add parameter non_const and build a
2035         C_MAYBE_COSNT_EXPR if applicable.
2036         (grokdeclarator): Take extra parameters expr and
2037         expr_const_operands.  Track expressions used in declaration
2038         specifiers and declarators.  Fold array sizes and track whether
2039         they are constant expressions and whether they are integer
2040         constant expressions.
2041         (parser_xref_tag): Set expr and expr_const_operands fields in
2042         return value.
2043         (grokfield): Update call to grokdeclarator.
2044         (start_function): Update call to grokdeclarator.
2045         (build_null_declspecs): Set expr and expr_const_operands fields in
2046         return value.
2047         (declspecs_add_type): Handle expressions in typeof specifiers.
2048         * c-parser.c (c_parser_declspecs): Set expr and
2049         expr_const_operands fields for declaration specifiers.
2050         (c_parser_enum_specifier): Likewise.
2051         (c_parser_struct_or_union_specifier): Likewise.
2052         (c_parser_typeof_specifier): Likewise.  Update call to
2053         groktypename.  Fold expression as needed.  Return expressions with
2054         type instead of adding statements.
2055         (c_parser_attributes): Update calls to c_parser_expr_list.
2056         (c_parser_statement_after_labels): Fold expression before passing
2057         to objc_build_throw_stmt.
2058         (c_parser_condition): Fold expression.
2059         (c_parser_asm_operands): Fold expression.
2060         (c_parser_conditional_expression): Use c_save_expr.  Update call
2061         to build_conditional_expr.
2062         (c_parser_alignof_expression): Update call to groktypename.
2063         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2064         original_code.  Fold expression argument of va_arg.  Create
2065         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2066         argument to va_arg.  Update calls to groktypename.  Fold array
2067         index for offsetof.  Verify that first argument to
2068         __builtin_choose_expr has integer type.
2069         (c_parser_postfix_expression_after_paren_type): Update calls to
2070         groktypename and build_compound_literal.  Handle expressions with
2071         side effects in type name.
2072         (c_parser_postfix_expression_after_primary): Update call to
2073         c_parser_expr_list.  Set original_code for calls to
2074         __builtin_constant_p.
2075         (c_parser_expr_list): Take extra parameter fold_p.  Fold
2076         expressions if requested.
2077         (c_parser_objc_type_name): Update call to groktypename.
2078         (c_parser_objc_synchronized_statement): Fold expression.
2079         (c_parser_objc_receiver): Fold expression.
2080         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2081         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2082         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2083         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2084         (struct c_typespec): Add elements expr and expr_const_operands.
2085         (struct c_declspecs): Add elements expr and expr_const_operands.
2086         (groktypename, build_conditional_expr, build_compound_literal):
2087         Update prototypes.
2088         (in_late_binary_op): Declare.
2089         * c-typeck.c (note_integer_operands): New function.
2090         (in_late_binary_op): New variable.
2091         (decl_constant_value_for_broken_optimization): Move to c-common.c
2092         and rename to decl_constant_value_for_optimization.
2093         (default_function_array_conversion): Do not strip nops.
2094         (default_conversion): Do not call
2095         decl_constant_value_for_broken_optimization.
2096         (build_array_ref): Do not fold result.
2097         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
2098         result when operand is a VLA.
2099         (c_expr_sizeof_type): Update call to groktypename.  Handle
2100         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
2101         result when operand names a VLA type.
2102         (build_function_call): Update call to build_compound_literal.
2103         Only fold result for calls to __builtin_* functions.  Strip
2104         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
2105         the function designator.
2106         (convert_arguments): Fold arguments.  Update call to
2107         convert_for_assignment.
2108         (build_unary_op): Handle increment and decrement of
2109         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
2110         decrement earlier.  Fold operand of increment and decrement.
2111         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
2112         built for integer operand.  Wrap returns that are INTEGER_CSTs
2113         without being integer constant expressions or that have integer
2114         constant operands without being INTEGER_CSTs.
2115         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2116         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
2117         result is an integer constant expression or can be used in
2118         unevaluated parts of one and avoid folding and wrap as
2119         appropriate.  Fold operands before possibly doing -Wsign-compare
2120         warnings.
2121         (build_compound_expr): Wrap result for C99 if operands can be used
2122         in integer constant expressions.
2123         (build_c_cast): Update call to digest_init.  Do not ignore
2124         overflow from casting floating-point constants to integers.  Wrap
2125         results that could be confused with integer constant expressions,
2126         null pointer constants or floating-point constants.
2127         (c_cast_expr): Update call to groktypename.  Handle expressions
2128         included in type name.
2129         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
2130         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
2131         Update calls to convert_for_assignment.
2132         (convert_for_assignment): Take new parameter
2133         null_pointer_constant.  Do not strip nops or call
2134         decl_constant_value_for_broken_optimization.  Set
2135         in_late_binary_op for conversions to boolean.
2136         (store_init_value): Update call to digest_init.
2137         (digest_init): Take new parameter null_pointer_constant.  Do not
2138         call decl_constant_value_for_broken_optimization.  pedwarn for
2139         initializers not constant expressions.  Update calls to
2140         convert_for_assignment.
2141         (constructor_nonconst): New.
2142         (struct constructor_stack): Add nonconst element.
2143         (really_start_incremental_init, push_init_level, pop_init_level):
2144         Handle constructor_nonconst and nonconst element.
2145         (set_init_index): Call constant_expression_warning for array
2146         designators.
2147         (output_init_element): Fold value.  Set constructor_nonconst as
2148         applicable.  pedwarn for initializers not constant expressions.
2149         Update call to digest_init.  Call constant_expression_warning
2150         where constant initializers are required.
2151         (process_init_element): Use c_save_expr.
2152         (c_finish_goto_ptr): Fold expression.
2153         (c_finish_return): Fold return value.  Update call to
2154         convert_for_assignment.
2155         (c_start_case): Fold switch expression.
2156         (c_process_expr_stmt): Fold expression.
2157         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2158         ensure statement expression is not evaluated in constant expression.
2159         (build_binary_op): Track whether results are integer constant
2160         expressions or may occur in such, disable folding and wrap results
2161         as applicable.  Fold operands for -Wsign-compare warnings unless
2162         in_late_binary_op.
2163         (c_objc_common_truthvalue_conversion): Handle results folded to
2164         integer constants that are not integer constant expressions.
2165         * doc/extend.texi: Document when typeof operands are evaluated,
2166         that condition of __builtin_choose_expr is an integer constant
2167         expression, and more about use of __builtin_constant_p in
2168         initializers.
2169
2170 2009-03-29  Richard Guenther  <rguenther@suse.de>
2171
2172         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2173         propagate addresses of array references.
2174
2175 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2176
2177         * regmove.c (perhaps_ends_bb_p): Remove.
2178         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
2179         from INSN and check that the main loop stays within that basic block.
2180         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2181         (regmove_forward_pass): Split out from regmove_optimize.  Use
2182         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2183         (regmove_backward_pass): Split out from regmove_optimize.  Use
2184         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2185         (regmove_optimize): Simplify.
2186
2187 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2188
2189         PR target/39545
2190         * config/i386/i386.c (classify_argument): Ignore flexible array
2191         member in struct and warn ABI change.
2192
2193 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
2194
2195         * config/i386/i386-protos.h (ix86_agi_dependent): New.
2196
2197         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2198         (ix86_adjust_cost): Updated.
2199
2200 2009-03-29  Jan Hubicka  <jh@suse.cz>
2201
2202         PR middle-end/28850
2203         * tree-pass.h (pass_cleanup_eh): New function.
2204         (remove_unreachable_regions): Break code handling RTL
2205         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2206         that can not be reached by runtime.
2207         (can_be_reached_by_runtime): New function.
2208         (label_to_region_map): New function.
2209         (num_eh_regions): New function.
2210         (rtl_remove_unreachable_regions): New function.
2211         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2212         (remove_eh_region): New function.
2213         * except.h: Include sbitmap and vecprim.
2214         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2215         num_eh_regions): Declare.
2216         * passes.c (init_optimization_passes): Schedule cleanup_eh.
2217         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2218         * tree-eh.c (tree_remove_unreachable_handlers): New function.
2219         (tree_empty_eh_handler_p): New function.
2220         (cleanup_empty_eh): New function.
2221         (cleanup_eh): New function.
2222         (pass_cleanup_eh): New function.
2223
2224 2009-03-29  Jan Hubicka  <jh@suse.cz>
2225
2226         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2227         for removed regions.
2228
2229 2009-03-29  Jan Hubicka  <jh@suse.cz>
2230
2231         * except.c (dump_eh_tree): Dump all datastructures.
2232
2233 2009-03-29  Jan Hubicka  <jh@suse.cz>
2234
2235         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2236         (duplicate_eh_regions_1): Likewise.
2237         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2238         vector; call EH verification.
2239         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2240         Be ready for region being removed.
2241
2242 2009-03-29  Jan Hubicka  <jh@suse.cz>
2243
2244         * bitmap.c (bitmap_last_set_bit): New function.
2245         * bitmap.h (bitmap_last_set_bit): Declare.
2246
2247 2009-03-29  David Ayers  <ayers@fsfe.org>
2248
2249         PR objc/27377
2250         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2251         by calling objc_compare_types and surpress warnings about
2252         incompatible C pointers that are compatible ObjC pointers.
2253         
2254 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
2255
2256         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2257         call initialize_inline_failed.
2258         (initialize_inline_failed): Move it from here ...
2259         * cgraph.c (initialize_inline_failed): ... to here.
2260         (cgraph_create_edge): Call initialize_inline_failed rather than
2261         setting inline_failed directly.
2262
2263 2009-03-29  Ben Elliston  <bje@au.ibm.com>
2264
2265         PR target/32542
2266         * sysv4.opt (msdata): Improve comment.
2267         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2268         * sysv4.h (SVR4_ASM_SPEC): Likewise.
2269
2270 2009-03-29  Ben Elliston  <bje@au.ibm.com>
2271
2272         PR target/30451
2273         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2274         load and store attributes.
2275
2276 2009-03-29  Ben Elliston  <bje@au.ibm.com>
2277
2278         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2279         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2280         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2281         * doc/extend.texi (X86 Built-in Functions): Add index entries for
2282         __builtin_infq and __builtin_huge_valq.
2283
2284 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
2285
2286         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2287         atmega8m1 devices.
2288         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2289         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2290
2291 2009-03-28  Xinliang David Li  <davidxl@google.com>
2292
2293         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
2294         (do_dbg_cnt): New function.
2295
2296 2009-03-28  Jan Hubicka  <jh@suse.cz>
2297
2298         Merge from pretty-ipa:
2299
2300         2009-03-27  Jan Hubicka  <jh@suse.cz>
2301
2302         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2303         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2304         * passes.c (function_called_by_processed_nodes_p): New.
2305         * ipa-pure-const.c (check_call): Fix handling of operands.
2306         (analyze_function): Dump debug output for skipped bodies.
2307         (local_pure_const): Use function_called_by_processed_nodes_p.
2308         * dwarf2out.c (reference_to_unused): Use output.
2309         * passes.c (do_per_function_toporder): Likewise.
2310
2311         2008-11-12  Jan Hubicka  <jh@suse.cz>
2312
2313         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2314         * ipa-pure-const.c (funct_state_d): Add can throw field; make
2315         state_set_in_source enum
2316         (check_decl): Ignore memory tags; do not set fake looping flags;
2317         dump diagnostics.
2318         (check_operand, check_tree, check_rhs_var, check_lhs_var,
2319         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2320         (check_call, analyze_function): Rewrite.
2321         (check_stmt): New.
2322         (add_new_function): Update call of analyze_function.
2323         (generate_summary): Add call of analyze_function.
2324         (propagate): Propagate can_throw; handle state_set_in_source correctly.
2325         (local_pure_const): New function.
2326         (pass_local_pure_const): New pass.
2327         * ipa-inline.c (inline_transform): Set after_inlining.
2328         * tree-eh.c (stmt_can_throw_external): New.
2329         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2330         work with aliasing built.
2331         * tree-flow.h (stmt_can_throw_external): New.
2332         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2333         and local pure/const pass in early and late optimization queue.
2334
2335 2009-03-28  Martin Jambor  <mjambor@suse.cz>
2336
2337         * fold-const.c (get_pointer_modulus_and_residue): New parameter
2338         allow_func_align.
2339         (fold_binary): Allow function decl aligment consideration is the
2340         second argument is integer constant one.
2341         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2342         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2343         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2344
2345 2009-03-28  Jan Hubicka  <jh@suse.cz>
2346
2347         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2348         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2349         * function.h (rtl_data): Add nothrow flag.
2350         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2351         set DECL_NOTHROW for AVAILABLE functions.
2352
2353 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
2354
2355         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2356         following vector keyword has expansion starting with pixel or bool
2357         keyword, expand vector to __vector and pixel or bool to __pixel or
2358         __bool.
2359
2360         PR c++/39554
2361         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2362         warn_if_disallowed_function_p): Removed.
2363         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2364         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2365         warning_if_disallowed_function_p.
2366         * flags.h (warn_if_disallowed_function_p,
2367         warn_disallowed_functions): Removed.
2368         * common.opt (Wdisallowed-function-list=): Removed.
2369         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2370
2371 2009-03-28  Richard Guenther  <rguenther@suse.de>
2372
2373         PR tree-optimization/38723
2374         * tree-ssa-pre.c (compute_avail): Add all default definitions to
2375         the entry block.
2376
2377 2009-03-28  Jan Hubicka  <jh@suse.cz>
2378
2379         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2380         test introduced by my previous patch.
2381
2382 2009-03-28  Richard Guenther  <rguenther@suse.de>
2383
2384         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2385         the PHIs value undefined.
2386
2387 2009-03-28  Jan Hubicka  <jh@suse.cz>
2388
2389         * tree-pass.h (pass_fixup_cfg): New pass.
2390         * ipa-inline.c (inline_transform): Set
2391         always_inline_functions_inlined/after_inlining.
2392         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2393         (pass_fixup_cfg): New pass.
2394         * passes.c (init_optimization_passes): Add fixup_cfg.
2395
2396 2009-03-28  Richard Guenther  <rguenther@suse.de>
2397
2398         PR tree-optimization/38458
2399         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2400         argument use the arguments copy-of value.
2401
2402 2009-03-28  Richard Guenther  <rguenther@suse.de>
2403
2404         PR tree-optimization/38180
2405         * tree-ssa-ccp.c (get_default_value): Simplify.
2406         (likely_value): Likewise.
2407         (surely_varying_stmt_p): Properly handle VOP case.
2408         (ccp_initialize): Likewise.
2409         (ccp_fold): Handle propagating through *&.
2410         (fold_const_aggregate_ref): Also handle decls.
2411
2412 2009-03-28  Jan Hubicka  <jh@suse.cz>
2413
2414         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2415         * cgraph.h (cgraph_node): Likewise.
2416         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2417         (cgraph_reset_node): Use process flag.
2418         (cgraph_mark_functions_to_output): Likewise.
2419         (cgraph_expand_function): Likewise.
2420         (cgraph_expand_all_functions): Likewise.
2421         (cgraph_output_in_order): Likewise.
2422         * dwarf2out.c (reference_to_unused): Likewise.
2423         * passes.c do_per_function_toporder): Likewise.
2424
2425 2009-03-28  Jan Hubicka  <jh@suse.cz>
2426
2427         Bring from lto-branch:
2428
2429         2008-09-03  Doug Kwan  <dougkwan@google.com>
2430
2431         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2432         enums instead of reason strings.
2433         * cgraph.c (cgraph_create_edge): Same.
2434         (cgraph_inline_failed_string): New function.
2435         * cgraph.h (cgraph_inline_failed_t): New enum type.
2436         (cgraph_inline_failed_string): New prototype.
2437         (struct cgraph_edge): Change type of INLINED_FAILED from constant
2438         char pointer to cgraph_inline_failed_t.
2439         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2440         (cgraph_default_inline_p): Ditto.
2441         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2442         to cgraph_inline_failed_t pointer.
2443         * cif-code.def: New file.
2444         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2445         reason string.
2446         (cgraph_check_inline_limits): Change type of REASON to pointer to
2447         cgraph_inline_failed_t.  Replace reason strings with enums.
2448         (cgraph_default_inline_p): Ditto.
2449         (cgraph_recursive_inlining_p): Ditto.
2450         (update_caller_keys): Change type of FAILED_REASON to
2451         cgraph_inline_failed_t.
2452         (cgraph_set_inline_failed): Change type of REASON to pointer to
2453         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
2454         convert enums to strings for text output.
2455         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2456         to be of type cgraph_inline_failed_t.  Replace reason strings with
2457         enums.  Call cgraph_inline_failed_string to covert enums
2458         to strings for text output.
2459         (cgraph_decide_inlining): Replace reason strings with enums.
2460         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2461         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
2462         for text output.
2463         * tree-inline.c (expand_call_inline): Change type of REASON
2464         to cgraph_inline_failed_t.  Replace reason strings with enums.
2465         Call cgraph_inline_failed_string for text output.
2466         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2467         (cgraph.o): Ditto.
2468
2469 2009-03-28  Jan Hubicka  <jh@suse.cz>
2470
2471         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2472         cgraph_clone_node): Remove master clone handling.
2473         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2474         * cgraph.h (master_clone): Remove.
2475         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2476         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2477         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2478
2479 2009-03-28  Jan Hubicka  <jh@suse.cz>
2480
2481         * cgraph.c (cgraph_function_body_availability): Functions declared
2482         inline are always safe to assume that it is not going to be replaced.
2483
2484 2009-03-28  Richard Guenther  <rguenther@suse.de>
2485
2486         PR tree-optimization/38513
2487         * tree-ssa-pre.c (eliminate): Remove redundant stores.
2488         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2489         EXC_PTR_EXPR and FILTER_EXPR.
2490         (get_ref_from_reference_ops): Likewise.
2491
2492 2009-03-28  Richard Guenther  <rguenther@suse.de>
2493
2494         PR tree-optimization/38968
2495         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2496         Use FLOOR_MOD_EXPR to compute misalignment.
2497
2498 2009-03-28  Richard Guenther  <rguenther@suse.de>
2499
2500         PR tree-optimization/37795
2501         * tree.h (combine_comparisons): Declare.
2502         * fold-const.c (combine_comparisons): Export.
2503         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2504         comparisons.
2505         (ifcombine_iforif): Use combine_comparisons.
2506
2507 2009-03-28  Jan Hubicka  <jh@suse.cz>
2508
2509         * tree-eh.c (inlinable_call_p): New function.
2510         (make_eh_edges): Use it.
2511         (verify_eh_edges): Use it.
2512         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2513         * except.c (reachable_next_level): Add inlinable_function argument
2514         (sjlj_find_directly_reachable_regions): Update.
2515         (add_reachable_handler): Do not set saw_any_handlers.
2516         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2517         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2518         Add new inlinable call parameter.
2519         (can_throw_internal, can_throw_external): Update.
2520         * except.h (can_throw_internal_1, can_throw_external_1,
2521         foreach_reachable_handler): Update declaration.
2522
2523 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
2524
2525         * config/arm/t-arm-coff, config/h8300/coff.h,
2526         config/i386/i386-aout.h, config/i386/i386-coff.h,
2527         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2528         config/pdp11/2bsd.h, config/rs6000/aix41.h,
2529         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2530         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2531         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2532         sys-types.h: Remove.
2533         * Makefile.in: Remove protoize and fixproto support and references
2534         in comments.
2535         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2536         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2537         Remove.
2538         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2539         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2540         unprotoize$(exeext).
2541         (rest.encap): Don't depend on $(STMP_FIXPROTO)
2542         (.PHONY): Don't depend on proto.
2543         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2544         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2545         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2546         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2547         build/gen-protos.o, build/scan.o, xsys-protos.h,
2548         build/fix-header$(build_exeext), build/fix-header.o,
2549         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2550         stmp-install-fixproto): Remove.
2551         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2552         SYSCALLS.c or fixproto files.
2553         (install-common): Don't install protoize.
2554         (install-headers-tar, install-headers-cpio, install-headers-cp):
2555         Don't depend on $(STMP_FIXPROTO).
2556         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
2557         install fixproto files or write out fixproto settings.
2558         (uninstall): Don't uninstall protoize.
2559         * config.gcc (use_fixproto): Remove.
2560         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2561         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2562         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2563         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2564         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2565         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2566         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2567         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2568         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2569         * config/t-vxworks (STMP_FIXPROTO): Remove.
2570         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2571         STMP_FIXPROTO): Remove.
2572         * config.in, configure: Regenerate.
2573         * crtstuff.c (gid_t, uid_t): Don't undefine.
2574         * doc/install.texi: Change m68k-coff to m68k-elf in example.
2575         (arm-*-coff, arm-*-aout: Remove target entries.
2576         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2577         Remove mention of AIX 4.1.
2578         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2579         * doc/invoke.texi (Running Protoize): Remove.
2580         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2581         (Protoize Caveats): Remove.
2582         * tsystem.h: Update comments on headers assumed to exist.
2583
2584 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
2585
2586         * genautomata.c: Add a new year to the copyright.  Add a new
2587         reference.
2588         (struct insn_reserv_decl): Add comments for member bypass_list.
2589         (find_bypass): Remove.
2590         (insert_bypass): New.
2591         (process_decls): Use insert_bypass.
2592         (output_internal_insn_latency_func): Output all bypasses with the
2593         same input insn in one switch case.
2594
2595         * rtl.def (define_bypass): Describe bypass choice.
2596         * doc/md.texi (define_bypass): Ditto.
2597
2598 2009-03-27  Richard Guenther  <rguenther@suse.de>
2599
2600         * gimplify.c (mark_addressable): Export.
2601         * tree-flow.h (mark_addressable): Declare.
2602         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2603         * tree-ssa.c (verify_phi_args): Verify that address taken
2604         variables have TREE_ADDRESSABLE set.
2605
2606 2009-03-27  Richard Guenther  <rguenther@suse.de>
2607
2608         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2609         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
2610         Do not mark decls TREE_ADDRESSABLE.
2611         (build_fold_addr_expr): Adjust.
2612         (fold_addr_expr): Remove.
2613         (fold_unary): Use build_fold_addr_expr.
2614         (fold_comparison): Likewise.
2615         (split_address_to_core_and_offset): Likewise.
2616         * coverage.c (tree_coverage_counter_addr): Mark the array decl
2617         TREE_ADDRESSABLE.
2618         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2619         (gimplify_modify_expr_to_memcpy): Mark source and destination
2620         addressable.
2621         * omp-low.c (create_omp_child_function): Mark the object decl
2622         TREE_ADDRESSABLE.
2623         (lower_rec_input_clauses): Mark the var we take the address of
2624         TREE_ADDRESSABLE.
2625         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2626
2627 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2628
2629         PR middle-end/39315
2630         * cfgexpand.c (expand_one_stack_var_at): Change alignment
2631         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2632
2633 2009-03-27  Richard Guenther  <rguenther@suse.de>
2634
2635         PR tree-optimization/39120
2636         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2637         constraints.
2638         (handle_lhs_call): Process return constraints.  Add escape
2639         constraints if necessary.
2640         (handle_const_call): Fill out return constraints.  Make nested
2641         case more precise.  Avoid consttmp if possible.
2642         (handle_pure_call): Fill out return constraints.  Avoid
2643         callused if possible.
2644         (find_func_aliases): Simplify call handling.
2645
2646 2009-03-27  Richard Guenther  <rguenther@suse.de>
2647
2648         PR tree-optimization/39120
2649         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2650         as a representative.
2651         (solve_graph): Do propagate CALLUSED.
2652         (handle_pure_call): Use a scalar constraint from CALLUSED for
2653         the return value.
2654         (find_what_p_points_to): CALLUSED shall not appear in poins-to
2655         solutions.
2656
2657 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2658
2659         PR c/39323
2660         * c-common.c (handle_aligned_attribute): Properly check alignment
2661         overflow.  Use (1U << i) instead of (1 << i).
2662
2663         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2664
2665         * expr.h (get_mem_align_offset): Updated.
2666
2667         * tree.h (tree_decl_common): Change align to "unsigned int" and
2668         move it before pointer_alias_set.
2669
2670 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2671             Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR target/38034
2674         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2675         gr_register_operand with gr_reg_or_0_operand.
2676         (cmpxchg_rel_di): Likewise.
2677         (sync_lock_test_and_set<mode>): Likewise.
2678
2679 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2680
2681         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2682         (true_regnum): Likewise.
2683
2684         * rtlanal.c (subreg_info): Moved to ...
2685         * rtl.h (subreg_info): Here.  New.
2686         (subreg_get_info): New.
2687
2688         * rtlanal.c (subreg_get_info): Make it extern.
2689
2690 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2691
2692         PR target/39472
2693         * config/i386/i386.c (ix86_abi): New.
2694         (override_options): Handle -mabi=.
2695         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2696         (ix86_call_abi_override): Likewise.
2697         (init_cumulative_args): Likewise.
2698         (function_arg_advance): Likewise.
2699         (function_arg_64): Likewise.
2700         (function_arg): Likewise.
2701         (ix86_pass_by_reference): Likewise.
2702         (ix86_function_value_regno_p): Likewise.
2703         (ix86_build_builtin_va_list_abi): Likewise.
2704         (setup_incoming_varargs_64): Likewise.
2705         (is_va_list_char_pointer): Likewise.
2706         (ix86_init_machine_status): Likewise.
2707         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2708         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
2709         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
2710         (ix86_function_abi): Make it static and return enum calling_abi.
2711         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
2712         with ix86_abi.
2713         (ix86_fn_abi_va_list): Updated.
2714
2715         * config/i386/i386.h (ix86_abi): New.
2716         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2717         (CONDITIONAL_REGISTER_USAGE): Likewise.
2718         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2719         (machine_function): Likewise.
2720
2721         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2722         with ix86_abi.
2723         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2724         (STACK_BOUNDARY): Likewise.
2725         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2726
2727         * config/i386/i386.opt (mabi=): New.
2728
2729         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2730         return enum calling_abi.
2731         (ix86_function_type_abi): Likewise.
2732         (ix86_function_abi): Removed.
2733
2734         * doc/invoke.texi: Document -mabi= option for x86.
2735
2736 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2737
2738         * builtins.c (real_dconstp): Delete.
2739         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2740
2741 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
2742             Jakub Jelinek  <jakub@redhat.com>
2743
2744         PR debug/37959
2745         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2746         (gen_subprogram_die): When a function is explicit, generate the
2747         DW_AT_explicit attribute.
2748         * langhooks.h (struct lang_hooks_for_decls): Add
2749         function_decl_explicit_p langhook.
2750         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2751         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2752
2753 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
2754
2755         * builtins.c (fold_builtin_memory_op): Optimize memmove
2756         into memcpy if we can prove source and destination don't overlap.
2757
2758         * tree-inline.c: Include gt-tree-inline.h.
2759         (clone_fn_id_num): New variable.
2760         (clone_function_name): New function.
2761         (tree_function_versioning): Use it.
2762         * Makefile.in (GTFILES): Add tree-inline.c.
2763
2764 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
2765
2766         * BASE-VER: Change to 4.5.0.
2767
2768 2009-03-27  Xinliang David Li  <davidxl@google.com>
2769
2770         PR tree-optimization/39557
2771         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2772
2773 2009-03-27  Xinliang David Li  <davidxl@google.com>
2774
2775         PR tree-optimization/39548
2776         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
2777         candidate check.
2778
2779 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2780
2781         * c-common.c (pointer_int_sum): Use %wd on return from
2782         tree_low_cst.
2783
2784 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2787         on return from tree_low_cst.
2788
2789 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2790
2791         PR c++/36799
2792         * ginclude/stdarg.h (va_copy): Define also for
2793         __GXX_EXPERIMENTAL_CXX0X__.
2794
2795 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2796
2797         PR c++/35652
2798         * builtins.h (c_strlen): Do not warn here.
2799         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2800         * c-common.c (pointer_int_sum): Take an explicit location.
2801         Warn about offsets out of bounds.
2802         * c-common.h (pointer_int_sum): Adjust declaration.
2803
2804 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2805
2806         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2807         markup glitch.
2808
2809 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
2810
2811         PR c++/39554
2812         * opts.c (warn_if_disallowed_function_p): Don't assume
2813         get_callee_fndecl must return non-NULL.
2814
2815 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
2816
2817         PR rtl-optimization/39522
2818         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2819         when reg_reloaded_valid is set.
2820
2821 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2822
2823         * config/spu/divv2df3.c: New file.
2824         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2825         (DPBIT_FUNCS): Filter out _div_df.
2826
2827 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2828
2829         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2830         a jump insn, count that jump in the distance to the loop start.
2831
2832 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2833
2834         PR target/39523
2835         * config/sh/sh.c (calc_live_regs): Fix condition for global
2836         registers except PIC_OFFSET_TABLE_REGNUM.
2837
2838 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
2839
2840         PR/39518
2841         * doc/invoke.texi (-mconsole): New.
2842         (-mcygwin): New.
2843         (-mno-cygwin): New.
2844         (-mdll): New.
2845         (-mnop-fun-dllimport): New.
2846         (-mthread): New.
2847         (-mwin32): New.
2848         (-mwindows): New.
2849         (sub section "i386 and x86-64 Windows Options"): New.
2850
2851 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2852
2853         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2854         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2855
2856 2009-03-25  Richard Guenther  <rguenther@suse.de>
2857
2858         PR middle-end/39497
2859         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2860         of -Wno-error.
2861
2862 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
2863
2864         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2865         neither of haifa/selective schedulers are working.
2866
2867 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2868
2869         * doc/invoke.texi (Debugging Options): Fix description of
2870         -fno-merge-debug-strings.
2871
2872 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
2873
2874         * config/cris/libgcc.ver: New version-script.
2875         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2876
2877         * configure.ac <GAS features, nop mnemonic>: Add pattern
2878         crisv32-*-* for "nop".
2879         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2880         * configure: Regenerate.
2881
2882 2009-03-24  Ira Rosen  <irar@il.ibm.com>
2883
2884         PR tree-optimization/39529
2885         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2886         mark_sym_for_renaming for the tag copied to the new vector
2887         pointer.
2888
2889 2009-03-24  Arthur Loiret  <aloiret@debian.org>
2890
2891         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2892         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2893         EXTRA_SPEC_FUNCTIONS.
2894         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2895         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2896         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2897         -march and -mtune options.
2898
2899 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2900
2901         * config/m68k/t-rtems: Add m5329 multilib.
2902
2903 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
2904             Jakub Jelinek  <jakub@redhat.com>
2905
2906         PR debug/39524
2907         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2908         nodes.
2909
2910 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2911
2912         PR c/39495
2913         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2914         instead of c_parser_expression_conv, if original_code isn't one of the
2915         4 allowed comparison codes, fail.
2916
2917 2009-03-23  Richard Guenther  <rguenther@suse.de>
2918
2919         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2920         * tree.h (struct tree_type): Likewise.
2921         * reload.h (struct insn_chain): Likewise.
2922         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2923         * function.h (struct function): Likewise.
2924         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2925
2926 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR tree-optimization/39516
2929         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2930
2931 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
2932
2933         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
2934         should be set true if BITS_PER_WORD of target is bigger than 32
2935
2936 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
2937
2938         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2939         Translate -B-options to -rpath-link.  Correct existing
2940         rpath-link and conditionalize on !nostdlib.
2941
2942 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2943
2944         * doc/extend.texi (Function Attributes, Variable Attributes):
2945         Fix typos.
2946         * doc/invoke.texi (Debugging Options, Optimize Options)
2947         (i386 and x86-64 Options, MCore Options): Likewise.
2948
2949 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR debug/37890
2952         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2953         it for block local namespace aliases.
2954         (gen_decl_die): Pass context_die to gen_namespace_die.
2955
2956 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2957
2958         PR c/39495
2959         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2960         minimum or maximum value.
2961
2962 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
2963
2964         * reginfo.c (globalize_reg): Recompute derived reg sets.
2965
2966 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
2967
2968         PR target/39063
2969         * libgcc2.c (mprotect): Do not use signed arguments for
2970         VirtualProtect, use DWORD arguments.  Also fix the 'may
2971         be used uninitialized' warning for the np variable.
2972
2973 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2974
2975         PR target/39496
2976         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2977         functions using regparm calling conventions when not optimizing.
2978         (ix86_function_sseregparm): Similarly for sseregparm calling
2979         conventions.
2980
2981 2009-03-19  Li Feng  <nemokingdom@gmail.com>
2982
2983         PR middle-end/39500
2984         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2985         dependence if the first conflict is after niter iterations.
2986
2987 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
2988
2989         PR middle-end/38609
2990         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2991         functions with dynamic stack-pointer adjustments.
2992
2993 2009-03-19  Ben Elliston  <bje@au.ibm.com>
2994
2995         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2996         option; change to -msdata=data.
2997
2998 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2999
3000         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3001         and -fopenmp.
3002
3003 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
3004
3005         PR target/35180
3006         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3007
3008 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
3009
3010         * doc/invoke.texi (Code Gen Options): Expand discussion of
3011         -fno-common.
3012
3013 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
3014
3015         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3016         * matrix-reorg.c (struct matrix_info): Likewise.
3017         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3018         * rtl.h (struct mem_attrs): Likewise.
3019         * df.h (struct df): Likewise.
3020         * tree-data-ref.h (struct data_dependence_relation): Likewise.
3021         * ira-int.h (struct ira_allocno): Likewise.
3022         * df-scan.c (struct df_collection_rec): Likewise.
3023         * ira.c (struct equivalence): Likewise.
3024         * function.c (struct temp_slot): Likewise.
3025         * cfgloop.h (struct loop): Likewise.
3026
3027         PR debug/39485
3028         * function.c (use_register_for_decl): When not optimizing, disregard
3029         register keyword for variables with types containing methods.
3030
3031 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
3032
3033         PR middle-end/39447
3034         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3035         (is_simple_operand): Call contains_component_ref_p before calling data
3036         reference analysis that would fail on COMPONENT_REFs.
3037
3038         * tree-vrp.c (search_for_addr_array): Fix formatting.
3039
3040 2009-03-18  Richard Guenther  <rguenther@suse.de>
3041
3042         * tree-vect-transform.c (vect_loop_versioning): Fold the
3043         generated comparisons.
3044         * tree-vectorizer.c (set_prologue_iterations): Likewise.
3045         (slpeel_tree_peel_loop_to_edge): Likewise.
3046
3047 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3048
3049         PR middle-end/37805
3050         * opts.c (print_specific_help): In addition to `undocumented',
3051         accept `separate' and `joined' flags if passed alone.  Describe
3052         output by the first matched one of those.
3053         (common_handle_option): Skip over empty strings.
3054         * gcc.c (display_help): Fix help string for `--help='.
3055         * doc/invoke.texi (Option Summary, Overall Options): With
3056         `--help=', classes and qualifiers can both be repeated, but
3057         only the latter can be negated.  One should not pass only
3058         negated qualifiers.  Fix markup and examples.
3059
3060         Revert
3061         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
3062         PR middle-end/37805
3063         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3064         and -fhelp=separate.
3065
3066 2009-03-17  Jing Yu  <jingyu@google.com>
3067
3068         PR middle-end/39378
3069         * function.h (struct rtl_data): Move is_thunk from here...
3070         (struct function): ...to here.
3071         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3072         * varasm.c (assemble_start_function): Change is_thunk from crtl to
3073         cfun.
3074         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3075         cfun.
3076         (alpha_does_function_need_gp, alpha_start_function): Likewise.
3077         (alpha_output_function_end_prologue): Likewise.
3078         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3079         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3080         (rs6000_output_function_epilogue): Likewise.
3081         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3082
3083 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         PR target/39482
3086         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3087         from different units in a single alternative.
3088         (*truncdfsf_i387): Ditto.
3089         (*truncxfsf2_mixed): Ditto.
3090         (*truncxfdf2_mixed): Ditto.
3091
3092 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
3093
3094         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3095         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3096
3097         PR debug/39474
3098         * tree-ssa-live.c (remove_unused_locals): Don't remove local
3099         unused non-artificial variables when not optimizing.
3100
3101         PR debug/39471
3102         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3103         DW_TAG_imported_module even if decl is IMPORTED_DECL with
3104         NAMESPACE_DECL in its DECL_INITIAL.
3105
3106         PR middle-end/39443
3107         * optabs.c (set_user_assembler_libfunc): New function.
3108         * expr.h (set_user_assembler_libfunc): New prototype.
3109         * c-common.c: Include libfuncs.h.
3110         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3111         for memcmp, memset, memcpy, memmove and abort.
3112         * Makefile.in (c-common.o): Depend on libfuncs.h.
3113
3114         PR debug/39412
3115         * dwarf2out.c (gen_inlined_enumeration_type_die,
3116         gen_inlined_structure_type_die, gen_inlined_union_type_die,
3117         gen_tagged_type_instantiation_die): Removed.
3118         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3119         do nothing.
3120
3121 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
3122
3123         PR testsuite/38526
3124         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3125         its use.
3126         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3127         (check-parallel-%): Ditto.
3128         (check-consistency): Ditto.
3129
3130 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
3131
3132         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3133         local variable rhs by NULL_TREE.
3134
3135 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3136
3137         PR target/39477
3138         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3139
3140 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3141
3142         PR target/39476
3143         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3144
3145 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3146
3147         PR target/39473
3148         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3149         for ms->sysv ABI calls only in 64bit mode.
3150
3151         * config/i386/i386.md (untyped_call): Support 32bit.
3152
3153 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
3154
3155         * doc/extend.texi: Replace x86_65 with x86_64.
3156
3157 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
3158
3159         PR tree-optimization/39455
3160         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3161         mismatches for POINTER_TYPE_P (type).
3162         (number_of_iterations_le): Likewise.
3163
3164 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
3165
3166         * config/picochip/picochip.c: Removed profiling support.
3167         * config/picochip/picochip.md: Removed profiling instruction.
3168         * config/picochip/picochip.h: Removed profiling builtin.
3169
3170 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
3171
3172         * doc/install.texi (--with-host-libstdcxx): Document.
3173
3174 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
3175
3176         PR target/34299
3177         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3178         generate a warning if the function name does not begin with
3179         "__vector" and the function has either the 'signal' or 'interrupt'
3180         attribute, from here to ...
3181         (avr_declare_function_name): ...here. New function.
3182         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3183         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3184
3185 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
3186
3187         PR bootstrap/39454
3188         * cse.c (fold_rtx): Don't modify original const_arg1 when
3189         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3190         separate variable instead.
3191         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3192         from out of range shift counts.
3193         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3194
3195 2008-03-13  Catherine Moore  <clm@codesourcery.com>
3196
3197         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3198         diagnostic.h with $(DIAGNOSTIC_H).
3199
3200 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR target/39431
3203         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3204         predicate.
3205         * config/i386/sync.md (sync_compare_and_swap<mode>,
3206         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3207         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3208         into a register.
3209         (sync_double_compare_and_swapdi_pic,
3210         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3211         cmpxchg8b_pic_memory_operand instead of just memory_operand.
3212
3213 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3214
3215         PR target/39445
3216         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3217
3218 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3219
3220         PR target/39327
3221         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3222         (avx_addsubv4df3): Likewise.
3223         (*avx_addsubv4sf3): Likewise.
3224         (sse3_addsubv4sf3): Likewise.
3225
3226 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
3227
3228         PR target/38824
3229         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3230
3231 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3232
3233         PR debug/39432
3234         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3235         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3236         registers for allocnos created from user-defined variables.
3237
3238 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3239
3240         PR target/39181
3241         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3242         of non-integer mode as well.
3243
3244 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
3245
3246         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3247         for functions for which the parameter types are unknown.
3248
3249 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR target/39137
3252         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3253         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3254         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3255         * config/i386/i386.c (ix86_local_alignment): For
3256         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3257         long long variables on the stack to avoid dynamic realignment.
3258         Allow the first argument to be a decl rather than type.
3259         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3260
3261 2009-03-11  Nick Clifton  <nickc@redhat.com>
3262
3263         PR target/5362
3264         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3265         options.
3266         Add description to mno-lsim option.
3267         * config/mcore/mcore.h: Remove comment about deprecated m4align
3268         option.
3269         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3270         * doc/invoke.texi: Add description of mno-lsim and
3271         mstack-increment options.
3272
3273         * config/fr30/fr30.opt: Document the -mno-lsim option.
3274         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3275         and -mno-lsim options.
3276
3277 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3278
3279         * fold-const.c (fold_comparison): Only call fold_inf_compare
3280         if the mode supports infinities.
3281
3282 2009-03-11  Jason Merrill  <jason@redhat.com>
3283
3284         PR debug/39086
3285         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3286         end already did.  Notice GIMPLE_CALL modifications of the result.
3287         Don't copy debug information from an ignored decl or a decl from
3288         another function.
3289
3290 2009-03-10  Richard Guenther  <rguenther@suse.de>
3291             Nathan Froyd  <froydnj@codesourcery.com>
3292
3293         PR middle-end/37850
3294         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3295         (__divMODE3): Likewise.
3296
3297 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
3298
3299         PR tree-optimization/39394
3300         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3301         DECL_SIZE_UNIT of variable length FIELD_DECLs.
3302
3303 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3304
3305         * recog.c (verfiy_changes): Disallow renaming of hard regs in
3306         inline asms for register asm ("") declarations.
3307
3308 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
3309
3310         * fold-const.c (fold_unary): Fix comment.
3311
3312 2009-03-07  Jan Hubicka  <jh@suse.cz>
3313
3314         PR target/39361
3315         * tree-inline.c (setup_one_parameter): Do replacement of const
3316         argument by constant in SSA form.
3317
3318 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3319
3320         PR middle-end/38028
3321         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3322         determine alignment passed to assign_stack_local.
3323         (assign_parms_unsplit_complex): Likewise.
3324         * except.c (sjlj_build_landing_pads): Likewise.
3325
3326 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR middle-end/39360
3329         * tree-flow.h (add_referenced_var): Return bool instead of void.
3330         * tree-dfa.c (add_referenced_var): Return result of
3331         referenced_var_check_and_insert call.
3332         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3333         of referenced_var_check_and_insert.
3334
3335         PR debug/39372
3336         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3337         (gen_variable_die): Emit DW_AT_location on abstract static variable's
3338         DIE, don't emit it if abstract origin already has it.
3339         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3340         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3341
3342 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3343
3344         * genpreds.c (needs_variable): Fix parentheses at variable name
3345         detection.
3346         (write_tm_constrs_h): Indent generated code.
3347
3348 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3349
3350         * doc/extend.texi (Function Attributes): Add documentation
3351         for isr attributes.
3352
3353 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR debug/39387
3356         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3357         take locus from its DECL_SOURCE_LOCATION instead of input_location.
3358
3359 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3360
3361         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3362         the loop as bad.
3363
3364 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
3365
3366         PR debug/39379
3367         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3368         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3369
3370 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         * config/i386/i386.md (R8_REG, R9_REG): New constants.
3373         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3374         constants instead of magic numbers.
3375         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3376         (QI_REG_P): Ditto.
3377         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3378         (x86_64_ms_abi_int_parameter_registers): Ditto.
3379         (x86_64_int_return_registers): Ditto.
3380         (ix86_maybe_switch_abi): Ditto.
3381         (ix86_expand_call): Ditto for clobbered_registers array.
3382         (ix86_hard_regno_mode_ok): Ditto.
3383         (x86_extended_QIreg_mentioned_p): Ditto.
3384
3385 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
3386
3387         PR tree-optimization/39349
3388         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3389
3390         * combine.c (gen_lowpart_for_combine): Use omode when generating