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1 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
2
3         M68K TLS support.
4         * configure.ac (m68k-*-*): Check if binutils support TLS.
5         * configure: Regenerate.
6         * config/m68k/predicates.md (symbolic_operand): Extend comment.
7         * config/m68k/constraints.md (Cu): New constraint.
8         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
9         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
10         (movsi): Handle TLS symbols.
11         (addsi3_5200): Handle XTLS symbols, indent.
12         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
13         (m68k_tls_reference_p): Declare.
14         (m68k_legitimize_address): Declare.
15         (m68k_unwrap_symbol): Declare.
16         * config/m68k/m68k.opt (mxtls): New option.
17         * config/m68k/m68k.c (ggc.h): Include.
18         (m68k_output_dwarf_dtprel): Implement hook.
19         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
20         (m68k_expand_prologue): Load GOT pointer when function needs it.
21         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
22         (m68k_legitimate_constant_address_p): Same.
23         (m68k_decompose_address): Handle TLS references.
24         (m68k_get_gp): New static function.
25         (enum m68k_reloc): New contants.
26         (TLS_RELOC_P): New macro.
27         (m68k_wrap_symbol): New static function.
28         (m68k_unwrap_symbol): New function.
29         (m68k_final_prescan_insn_1): New static function.
30         (m68k_final_prescan_insn): New function.
31         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
32         functions.
33         (legitimize_pic_address): Handle TLS references..
34         (m68k_tls_get_addr, m68k_get_tls_get_addr)
35         (m68k_libcall_value_in_a0_p)
36         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
37         (m68k_call_m68k_read_tp): Helper variables and functions for ...
38         (m68k_legitimize_tls_address): Handle TLS references.
39         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
40         New functions.
41         (m68k_legitimize_address): Handle TLS symbols.
42         (m68k_get_reloc_decoration): New static function.
43         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
44         UNSPEC_RELOC32.
45         (m68k_output_dwarf_dtprel): Implement hook.
46         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
47         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
48         m68k_call_* routines.
49         (sched_attr_op_type): Handle TLS symbols.
50         (gt-m68k.h): Include.
51         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
52         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
53
54 2009-05-18  Martin Jambor  <mjambor@suse.cz>
55
56         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
57         (visit_store_addr_for_mod_analysis): New function.
58         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
59         (determine_cst_member_ptr): Use gimple_assign_single_p.
60         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
61         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
62         operands.  Don't check number of operands of a NOP_EXPR.
63
64 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
65
66         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
67
68 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
69
70         PR c/40172
71         * c-common.c (warn_logical_operator): Don't warn if one of
72         expression isn't always true or false.
73
74 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
75
76         * config/i386/biarch32.h: New file.
77         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
78
79 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
80
81         * config/mips/mips.md (*zero_extend<mode>_trunchi,
82         *zero_extend<mode>_truncqi): Merge these into ...
83         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
84         Name the pattern following this as *zero_extendhi_truncqi.
85
86 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
87
88         PR middle-end/39301
89         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
90         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
91         (output_info): Make field HOST_WIDEST_INT.
92         (print_statistics): Use HOST_WIDEST_INT_PRINT.
93         (dump_bitmat_statistics): Same.
94
95 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
96
97         * config.gcc (use_gcc_stdint):  Set to wrap.
98         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
99         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
100         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
101         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
102         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
103         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
104         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
105         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
106
107 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
108
109         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
110         tune_64.
111         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
112         Move definitions earlier.
113         (OPT_ARCH64, OPT_ARCH32): Define.
114         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
115         and tune_64.
116
117 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
118
119         PR target/40153
120         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
121         implies.
122
123 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
124
125         * arm.md (movdi2): Copy non-reg values to DImode registers.
126
127 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
128
129         PR target/39942
130         * final.c (label_to_max_skip): New function.
131         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
132         CODE_LABEL_NUMBER <= max_labelno.
133         * output.h (label_to_max_skip): New prototype.
134         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
135         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
136         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
137         Handle CODE_LABELs with >= 16 byte alignment or with
138         max_skip == (1 << align) - 1.
139         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
140         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
141
142         PR target/39942
143         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
144         .p2align 3 if MAX_SKIP is smaller than 7.
145         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
146
147 2009-05-15  Ian Lance Taylor  <iant@google.com>
148
149         * alias.c (struct alias_set_entry_d): Rename from struct
150         alias_set_entry.  Change all uses.
151         * except.c (struct call_site_record_d): Rename from struct
152         call_site_record.  Change all uses.
153         * except.h (struct eh_region_d): Rename from struct eh_region.
154         Change all uses.
155         * gcse.c (struct hash_table_d): Rename from struct hash_table.
156         Change all uses.
157         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
158         ivtype_map_elt.  Change all uses.
159         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
160         Change all uses.
161         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
162         * graphite.h (struct name_tree_d): Rename from struct name_tree.
163         Change all uses.
164         (struct sese_d): Rename from struct sese.  Change all uses.
165         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
166         uses.
167         (struct omega_pb_d): Rename from struct omega_pb.  Change all
168         uses.
169         * optabs.h (struct optab_d): Rename from struct optab.  Change all
170         uses.
171         (struct convert_optab_d): Rename from struct convert_optab.
172         Change all uses.
173         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
174         ipa_opt_pass.  Change all uses.
175         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
176         all uses.
177
178         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
179         defined as a typedef.
180         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
181         defined as a tag.
182
183 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
184
185         PR 16302
186         * fold-const.c (make_range,build_range_check,merge_ranges): Move
187         declaration to...
188         (merge_ranges): Returns bool. 
189         * tree.h (make_range): .. to here.
190         (build_range_check): Likewise.
191         (merge_ranges): Likewise. Renamed from merge_ranges.
192         * c-typeck.c (parser_build_binary_op): Update calls to
193         warn_logical_operator.
194         * c-common.c (warn_logical_operator): Add new warning.
195         * c-common.h (warn_logical_operator): Update declaration.
196         
197 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
198
199         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
200         conditional.
201         
202 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
203
204         * doc/install.texi: Document MPC requirements, flags etc.
205
206         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
207         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
208         Evaluate constant arguments.
209         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
210         (fold_builtin_1): Likewise, also evaluate constant arguments.
211         Remove superfluous break.
212         (do_mpc_ckconv): New.
213         * real.h: Include mpc.h.
214         * toplev.c (print_version): Output MPC version info if available.
215
216 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
217
218         * fold-const.c (fold_convert_const_real_from_real): Check for
219         overflow.
220
221 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
222
223         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
224         only once.
225
226 2009-05-15  Jan Hubicka  <jh@suse.cz>
227
228         * doc/invoke.texi (max-early-inliner-iterations): New flag.
229         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
230         (try_inline): Fix return value.
231         (cgraph_decide_inlining_incrementally): Honor new value.
232         (cgraph_early_inlining): Handle indirect inlining.
233         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
234
235 2009-05-15  Jan Hubicka  <jh@suse.cz>
236
237         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
238         * cgraphunit.c (cgraph_finalize_function): Set it.
239         (cgraph_expand_function): Use it.
240
241 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
242
243         * real.c (encode_ieee_half): Define.
244         (decode_ieee_half): Define.
245         (ieee_half_format): Define.
246         (arm_half_format): Define.
247         * real.h (ieee_half_format): Declare.
248         (arm_half_format): Declare.
249
250 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
251
252         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
253         swapped, and reversed optabs exist before trying to use them.
254
255 2009-05-15  Paul Brook  <paul@codesourcery.com>
256             Sandra Loosemore  <sandra@codesourcery.com>
257
258         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
259         loads.  Allow PRE_DEC.
260         (output_move_neon): Handle PRE_DEC.
261         (arm_print_operand): Add 'A' for neon structure loads.
262         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
263         * config/arm/neon.md (neon_mov): Update comment.
264         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
265         calls.
266         (Um): New constraint.
267
268 2009-05-15  Jan Hubicka  <jh@suse.cz>
269
270         Revert the following patch until testsuite fallout is fixed:
271         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
272         * cgraph.h (struct inline_summary): New filed self_wize,
273         size_inlining_benefit, self_time and time_inlining_benefit.
274         (struct cgraph_global_info): Replace insns by time ans size fields.
275         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
276         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
277         (ipcp_update_callgraph): Do not touch function bodies.
278         * ipa-inline.c: Include except.h
279         MAX_TIME: New constant.
280         (overall_insns): Remove
281         (overall_size, max_benefit): New static variables.
282         (cgraph_estimate_time_after_inlining): New function.
283         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
284         (cgraph_clone_inlined_nodes): Update size.
285         (cgraph_mark_inline_edge): Update size.
286         (cgraph_estimate_growth): Use size info.
287         (cgraph_check_inline_limits): Check size.
288         (cgraph_default_inline_p): Likewise.
289         (cgraph_edge_badness): Compute badness based on benefit and size cost.
290         (cgraph_decide_recursive_inlining): Check size.
291         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
292         (cgraph_decide_inlining): Likewise.
293         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
294         (likely_eliminated_by_inlining_p): New predicate.
295         (estimate_function_body_sizes): New function.
296         (compute_inline_parameters): Use it.
297         * except.c (must_not_throw_labels): New function.
298         * except.h (must_not_throw_labels): Declare.
299         * tree-inline.c (init_inline_once): Kill inlining_weigths
300         * tree-ssa-structalias.c: Avoid uninitialized warning.
301         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
302         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
303         (PARAM_INLINE_CALL_COST): Remove.
304         (PARAM_EARLY_INLINING_INSNS): New.
305
306 2009-05-15  Richard Guenther  <rguenther@suse.de>
307
308         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
309         not TODO_update_ssa.
310
311 2009-05-15  Richard Guenther  <rguenther@suse.de>
312
313         PR tree-optimization/39999
314         * gimple.h (gimple_expr_type): Use the expression type looking
315         through useless conversions.
316         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
317         (vn_nary_op_insert_stmt): Likewise.
318         (simplify_binary_expression): Likewise.
319
320 2009-05-15  Richard Guenther  <rguenther@suse.de>
321
322         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
323         New options, enabled by default.
324         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
325         Document.
326         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
327         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
328         * tree-ssa-structalias.c (gate_tree_pta): New function.
329         (pass_build_alias): Use it.
330
331 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
332
333         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
334         recurse on an invariant address if a conversion from a pointer
335         type to a wider integer type is involved.
336
337 2009-05-15  Jan Hubicka  <jh@suse.cz>
338
339         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
340         * cgraph.h (struct inline_summary): New filed self_wize,
341         size_inlining_benefit, self_time and time_inlining_benefit.
342         (struct cgraph_global_info): Replace insns by time ans size fields.
343         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
344         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
345         (ipcp_update_callgraph): Do not touch function bodies.
346         * ipa-inline.c: Include except.h
347         MAX_TIME: New constant.
348         (overall_insns): Remove
349         (overall_size, max_benefit): New static variables.
350         (cgraph_estimate_time_after_inlining): New function.
351         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
352         (cgraph_clone_inlined_nodes): Update size.
353         (cgraph_mark_inline_edge): Update size.
354         (cgraph_estimate_growth): Use size info.
355         (cgraph_check_inline_limits): Check size.
356         (cgraph_default_inline_p): Likewise.
357         (cgraph_edge_badness): Compute badness based on benefit and size cost.
358         (cgraph_decide_recursive_inlining): Check size.
359         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
360         (cgraph_decide_inlining): Likewise.
361         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
362         (likely_eliminated_by_inlining_p): New predicate.
363         (estimate_function_body_sizes): New function.
364         (compute_inline_parameters): Use it.
365         * except.c (must_not_throw_labels): New function.
366         * except.h (must_not_throw_labels): Declare.
367         * tree-inline.c (init_inline_once): Kill inlining_weigths
368         * tree-ssa-structalias.c: Avoid uninitialized warning.
369         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
370         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
371         (PARAM_INLINE_CALL_COST): Remove.
372         (PARAM_EARLY_INLINING_INSNS): New.
373         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
374         (inline-call-cost): Remove.
375         (early-inlining-insns): New.
376
377 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
378
379         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
380         for bounds.
381         (print_int_cst_bounds_in_octal_p): Likewise.
382         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
383         with subtypes.
384         * dwarf2out.c (base_type_die): Likewise.
385         (is_subrange_type): Delete.
386         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
387         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
388         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
389         the destination type is boolean.
390         (build_range_check): Do not special-case subtypes.
391         (fold_sign_changed_comparison): Likewise.
392         (fold_unary): Likewise.
393         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
394         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
395         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
396         * tree.c (subrange_type_for_debug_p): New predicate based on the former
397         is_subrange_type.
398         * tree.h (subrange_type_for_debug_p): Declare.
399         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
400         (convert_affine_scev): Remove call to above function.
401         (chrec_convert_aggressive): Likewise.
402         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
403         false for conversions involving subtypes.
404         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
405         (vrp_val_min): Likewise.
406         (needs_overflow_infinity): Likewise.
407         (extract_range_from_unary_expr): Likewise.
408
409 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
410
411         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
412         * config/frv/frv.c: Likewise.
413         * config/s390/s390.c: Likewise.
414         * config/sparc/sparc.h: Likewise.
415         * config/i386/i386.h: Likewise.
416         * config/i386/i386.c: Likewise.
417         * config/crx/crx.c: Likewise.
418         * config/m68hc11/m68hc11.h: Likewise.
419         * config/iq2000/iq2000.c: Likewise.
420         * config/mn10300/mn10300.h: Likewise.
421         * config/mn10300/mn10300.c: Likewise.
422         * config/m68k/m68k.c: Likewise.
423         * config/rs6000/rs6000.c: Likewise.
424         * config/rs6000/xcoff.h: Likewise.
425         * config/rs6000/linux64.h: Likewise.
426         * config/rs6000/sysv4.h: Likewise.
427         * config/score/score3.c: Likewise.
428         * config/score/score7.c: Likewise.
429         * config/score/score.c: Likewise.
430         * config/arm/arm.md: Likewise.
431         * config/mips/mips.c: Likewise.
432         * config/mips/mips.md: Likewise.
433         * config/bfin/bfin.h: Likewise.
434         * config/pa/pa.c: Likewise.
435         * config/pa/constraints.md: Likewise.
436
437         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
438         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
439         * config/pdp11/pdp11.h: Use memory_address_p instead.
440
441 2009-05-14  Ian Lance Taylor  <iant@google.com>
442
443         * passes.c (finish_optimization_passes): Change i to int.
444         * plugin.c (plugins_active_p): Change event to int.
445         (dump_active_plugins): Likewise.
446         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
447         Add cast.
448         * tree.c (tree_range_check_failed): Change c to unsigned int.
449         (omp_clause_range_check_failed): Likewise.
450         (build_common_builtin_nodes): Change mode to int.  Add cast.
451         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
452         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
453
454         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
455         ++ or -- with a variable of enum type.
456
457 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
458
459         PR driver/40144
460         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
461
462 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
463
464         * store-motion.c: Do not include params.h
465         * Makefile.in: Fix dependencies for various files.
466
467 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
468
469         * auto-inc-dec.c: Fix pass description, remove apparent
470         accidental duplication.
471
472 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
473
474         PR middle-end/40147
475         * ipa-utils.h (memory_identifier_string): Moved to ...
476         * tree.h (memory_identifier_string): Here.  Add GTY(()).
477
478 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
479
480         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
481         in the former documentation of...
482         (GO_IF_LEGITIMATE_ADDRESS): ... this.
483         * ira-conflicts.c (get_dup_num): Use address_operand.
484         * targhooks.c (default_legitimate_address_p): New.
485         * targhooks.h (default_legitimate_address_p): New.
486         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
487         Call hook.
488         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
489         * target.h (struct target): Add legitimate_address_p.
490         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
491         (TARGET_INITIALIZER): Include it.
492
493         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
494         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
495         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
496         (TARGET_LEGITIMATE_ADDRESS_P): New.
497
498         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
499         (REG_OK_STRICT_P): Delete.
500         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
501         (frv_legitimate_address_p_1): ... this.
502         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
503         (frv_legitimate_address_p_1): ... the renamed old
504         frv_legitimate_address_p.
505         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
506         (TARGET_LEGITIMATE_ADDRESS_P): New.
507
508         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
509         * config/s390/s390-protos.h (legitimate_address_p): Remove.
510         * config/s390/s390.c (legitimate_address_p): Rename to...
511         (s390_legitimate_address_p): ... this, make static.
512         (legitimize_address): Adjust call.
513         (TARGET_LEGITIMATE_ADDRESS_P): New.
514         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
515
516         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
517         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
518         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
519         (TARGET_LEGITIMATE_ADDRESS_P): New.
520
521         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
522         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
523         * config/spu/spu.c (spu_legitimate_address): Rename to...
524         (spu_legitimate_address_p): ... this, make static.
525         (TARGET_LEGITIMATE_ADDRESS_P): New.
526
527         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
528         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
529         * config/sparc/sparc.c (legitimate_address_p): Rename to...
530         (sparc_legitimate_address_p): ... this, make static and return bool.
531         (legitimize_address): Adjust call.
532         (TARGET_LEGITIMATE_ADDRESS_P): New.
533
534         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
535         * config/i386/i386-protos.h (legitimate_address_p): Remove.
536         * config/i386/i386.c (legitimate_address_p): Rename to...
537         (ix86_legitimate_address_p): ... this, make static.
538         (constant_address_p): Move after it, adjust call.
539         (TARGET_LEGITIMATE_ADDRESS_P): New.
540
541         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
542         * config/avr/avr-protos.h (legitimate_address_p): Remove.
543         * config/avr/avr.c (legitimate_address_p): Rename to...
544         (avr_legitimate_address_p): ... this, make static.
545         (legitimize_address): Adjust call.
546         (TARGET_LEGITIMATE_ADDRESS_P): New.
547
548         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
549         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
550         * config/crx/crx.c (crx_legitimate_address_p): Make static.
551         (TARGET_LEGITIMATE_ADDRESS_P): New.
552
553         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
554         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
555         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
556         (TARGET_LEGITIMATE_ADDRESS_P): New.
557
558         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
559         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
560         Remove.
561         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
562         Make static.
563         (TARGET_LEGITIMATE_ADDRESS_P): New.
564
565         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
566         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
567         Remove.
568         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
569         Rename to...
570         (m68hc11_legitimate_address_p): ... this, make static.
571         (go_if_legitimate_address_internal): Rename to...
572         (m68hc11_legitimate_address_p_1): ... this.
573         (legitimize_address): Adjust call.
574         (TARGET_LEGITIMATE_ADDRESS_P): New.
575
576         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
577         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
578         Remove.
579         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
580         Make static.
581         (TARGET_LEGITIMATE_ADDRESS_P): New.
582
583         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
584         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
585         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
586         (mn10300_legitimate_address_p): ... this, make static.
587         (TARGET_LEGITIMATE_ADDRESS_P): New.
588
589         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
590         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
591         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
592         (TARGET_LEGITIMATE_ADDRESS_P): New.
593
594         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
595         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
596         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
597         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
598         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
599         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
600         (rs6000_legitimate_address_p): ... this, make static.
601         (TARGET_LEGITIMATE_ADDRESS_P): New.
602         (REG_MODE_OK_FOR_BASE_P): Delete.
603         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
604
605         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
606         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
607         Delete.
608         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
609         static, adjust types.
610         (TARGET_LEGITIMATE_ADDRESS_P): New.
611
612         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
613         * config/score/score.c (score_address_p): Rename to...
614         (score_legitimate_address_p): ... this.
615         (TARGET_LEGITIMATE_ADDRESS_P): New.
616         * config/score/score3.c (score3_address_p): Rename to...
617         (score3_legitimate_address_p): ... this.
618         * config/score/score7.c (score7_address_p): Rename to...
619         (score7_legitimate_address_p): ... this.
620
621         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
622         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
623         GO_IF_LEGITIMATE_ADDRESS): Delete.
624         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
625         thumb2_legitimate_address_p): Delete.
626         (arm_legitimate_address_p): Rename to...
627         (arm_legitimate_address_outer_p): ... this.
628         * config/arm/constraints.md ("Uq"): Adjust call.
629         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
630         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
631         (arm_legitimate_address_outer_p): ... this.
632         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
633         (TARGET_LEGITIMATE_ADDRESS_P): New.
634
635         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
636         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
637         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
638         (TARGET_LEGITIMATE_ADDRESS_P): New.
639
640         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
641         * config/vax/vax-protos.h (legitimate_address_p): Remove.
642         * config/vax/vax.c (legitimate_address_p): Rename to...
643         (vax_legitimate_address_p): ... this, make static.
644         (TARGET_LEGITIMATE_ADDRESS_P): New.
645
646         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
647         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
648         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
649         (TARGET_LEGITIMATE_ADDRESS_P): New.
650
651         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
652         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
653         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
654         (mmix_legitimate_address_p): ... this, make static.
655         (TARGET_LEGITIMATE_ADDRESS_P): New.
656
657         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
658         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
659         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
660         (TARGET_LEGITIMATE_ADDRESS_P): New.
661
662 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
663
664         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
665         of MODE_COMPLEX_INT.
666
667 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
668
669         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
670         LCT_NORMAL in function call.
671         * mips-tdump.c (print_file_desc): Add cast to enum type.
672         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
673         (mark_stabs): Add casts to enum types.
674         (parse_stabs_common): Add casts to enum types.
675
676 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
677
678         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
679         Check for invalid values of LETTER.
680
681 2009-05-13  Taras Glek  <tglek@mozilla.com>
682
683         * attribs.c (register_attribute): moved out attribute registration into
684         register_attribute.
685         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
686         * gcc-plugin.h: Added forward decl for register_attribute.
687         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
688         * plugin.c (register_callback, invoke_plugin_callbacks): Added
689         PLUGIN_ATTRIBUTES boilerplate.
690
691 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
692
693         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
694         values even in sentinel and empty entries.
695         (ms_printf_flag_specs):  Likewise.
696         (ms_scanf_flag_specs):  Likewise.
697         (ms_strftime_flag_specs):  Likewise.
698         (ms_print_char_table):  Likewise.
699         (ms_scan_char_table):  Likewise.
700         (ms_time_char_table):  Likewise.
701
702 2009-05-13  Doug Kwan  <dougkwan@google.com>
703
704         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
705
706 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
707
708         * config/mips/mips.md (store): Add attributes for QI and HI.
709         Update comment.
710         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
711         (truncdi<mode>2): ... this new pattern.
712
713 2009-05-13  Brad Hards  <bradh@kde.org>
714
715         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
716
717 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
718             Ben Elliston <bje@au.ibm.com>
719
720         PR middle-end/40035
721         * dse.c (check_mem_read_rtx): Guard against width == -1.
722
723 2009-05-13  Michael Matz  <matz@suse.de>
724
725         PR middle-end/39976
726         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
727         (trivially_conflicts_p): New function.
728         (insert_backedge_copies): Use it.
729
730 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
731
732         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
733         (handle_stdc_pragma): Use new enum constant names.
734         (handle_pragma_float_const_decimal64): Ditto.
735
736 2009-05-13  Ian Lance Taylor  <iant@google.com>
737
738         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
739         tree.def.
740
741 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
742
743         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
744         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
745         multilibs.
746         * config/m68k/m68k.h (FL_UCLINUX): Define.
747
748 2009-05-13  Jan Hubicka  <jh@suse.cz>
749
750         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
751
752 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
753
754         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
755         unless -fschedule-insns is specified.
756
757 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
758
759         PR target/39561
760         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
761         TARGET_EXPAND_CBRANCHDI4.
762         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
763         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
764         (cmpeqdi): Fix comment.
765
766 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
767
768         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
769         (sh_legitimate_address_p): Likewise.
770         * config/sh/sh.c (sh_legitimate_index_p): New.
771         (sh_legitimate_address_p): Likewise.
772         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
773         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
774         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
775         (MAYBE_BASE_REGISTER_RTX_P): New macro.
776         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
777         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
778         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
779         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
780         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
781
782 2009-05-12  Jan Hubicka  <jh@suse.cz>
783
784         * tree-inline.c (estimate_operator_cost): Add operands;
785         when division happens by constant, it is cheap.
786         (estimate_num_insns): Loads and stores are not having cost of 0;
787         EH magic stuff is cheap; when computing runtime cost of switch,
788         use log2 base of amount of its cases; builtin_expect has cost of 0;
789         compute cost for moving return value of call.
790         (init_inline_once): Initialize time_based flags.
791         * tree-inline.h (eni_weights_d): Add time_based flag.
792
793 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
794
795         * df-core.c: Update head documentation.
796
797 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
798
799         PR bootstrap/40118
800         * rs6000.c (rs6000_generate_compare): Use op1b instead of
801         shadowing exisiting variable op1.
802
803 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
804
805         PR target/37179
806         * config/i386/driver-i386.c (processor_signatures): New enum.
807         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
808         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
809         processor signature to detect geode processor.
810
811 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
812
813         Revert:
814
815         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
816
817         * optabs.c (prepare_cmp_insn): Temporarily disable test that
818         causes spurious differences between trunk and cond-optab branch.
819
820 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
821
822         * dojump.c (compare_from_rtx): Delete.
823         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
824         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
825         if the comparison does not satisfy the predicate; test predicates for
826         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
827         further if one existing pattern fails.
828         * expr.h (compare_from_rtx): Delete.
829         (prepare_operand): Declare it.
830         * optabs.c: Change "lib call" to "libcall" throughout.
831         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
832         HAVE_conditional_trap, emit_cmp_insn): Delete.
833         (can_compare_p): Delete cmp_optab case.
834         (prepare_float_lib_cmp): Return an rtx and a machine mode.
835         Accept other parameters by value.
836         (prepare_operand): Make non-static.
837         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
838         other parameters by value.  Try to widen operands here based on
839         an optab_methods argument and looking at cbranch_optab.
840         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
841         loop.  Use cbranch_optab directly.
842         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
843         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
844         assertion.
845         (emit_conditional_move, emit_conditional_add): Inline what's needed
846         of compare_from_rtx, using new prepare_cmp_insn for the rest.
847         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
848         with COMPARE.  Move cmov_optab and cstore_optab above
849         with cbranch_optab, move cmp_optab down with ucmp_optab,
850         remove tst_otpab.  Do not initialize trap_rtx.
851         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
852         for trap code.  Do not check HAVE_conditional_trap.  Use
853         prepare_cmp_insn.  Accept no predicate for operand 3.
854         * optabs.h (OTI_cmp): Mark as used only for libcalls.
855         (OTI_ctrap, ctrap_optab): New.
856         (tst_optab): Delete.
857         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
858         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
859         with lookup of ctrap_optab.
860         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
861         setcc_gen_code): Delete.
862         (ctrap_optab): New.
863
864         * combine.c (combine_simplify_rtx, simplify_set): Do not
865         special case comparing against zero for cc0 machines.
866         * simplify-rtx.c (simplify_binary_operation_1): Never remove
867         COMPARE on cc0 machines.
868         (simplify_relational_operation): Return a new expression when
869         a COMPARE could be removed.
870         * final.c (final_scan_insn): Compare cc_status values
871         against LHS of a (compare FOO (const_int 0)) cc0 source.
872         Also check if cc_status.value is the full compare.
873
874         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
875         (cstoreMM4): Document.
876         (conditional_trap): Document ctrapMM4 instead.
877         (sync_compare_and_swapMM): Refer to cbranchcc4.
878         (Dependent Patterns): Eliminate obsolete information referring to
879         the old jump optimization phase.
880         (Canonicalization): Include cbranchcc4 case, omit canonicalization
881         of compares with 0 on cc0 machines.
882         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
883         avoiding references to cc0.  Remove text about storing operands
884         in cmpMM.
885         * doc/tm.texi (Condition Codes): Include blurb on different
886         condition code representations, separate into subsections for
887         CC0, MODE_CC and conditional execution.
888
889         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
890         alpha_emit_setcc): Accept operands and a machine mode.
891         * config/alpha/alpha.c (alpha_emit_conditional_branch):
892         Get code/op0/op1 from operands, use machine mode argument
893         instead of alpha_compare.fp_p.  Emit the branch here.
894         (alpha_emit_setcc): Likewise, and return boolean.
895         (alpha_emit_conditional_move): Likewise.  Assert that
896         cmp_op_mode == cmp_mode, and simplify accordingly.
897         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
898         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
899         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
900         Delete.
901         (stack probe test): Use cbranchdi4.
902         * config/alpha/predicates.md (alpha_cbranch_operator): New.
903
904         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
905         * config/arc/arc.h (movsicc, movsfcc): Use it.
906         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
907         (cbranchsi4, cstoresi4): New.
908         (cmpsi, bCC and sCC expanders): Remove. 
909
910         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
911         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
912         * config/arm/predicates.md (arm_comparison_operator): Only include
913         floating-point operators if there is a hardware floating-point unit.
914         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
915         deferring to cbranch_cc and cstore_cc respectively.
916         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
917         cbranch_cc, cstore_cc): New.
918         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
919         arm_compare_op1.
920         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
921
922         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
923         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
924         as an argument.
925         (adjust_insn_length): Adjust calls.
926         (avr_reorg): Handle (compare (foo) (const_int 0)).
927         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
928         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
929         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
930         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
931         (bCC): Remove.
932         (cbranchqi4, cbranchhi4, cbranchsi4): New.
933         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
934
935         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
936         (cbranchsi4, cstorebi4, cstoresi4): New.
937         (movbisi): This insn is duplicate, split it to zero_extend.
938         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
939         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
940         (bfin_optimize_loop): Use cbranch expander.
941         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
942         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
943         (bfin_bimode_comparison_operator): ... this.
944         (bfin_direct_comparison_operator): New.
945  
946         * config/cris/cris.c (cris_normal_notice_update_cc): Look
947         inside (compare FOO (const_int 0)).
948         (cris_rtx_costs): Handle ZERO_EXTRACT.
949         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
950         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
951         (*tstdi_v32): Delete.
952         (*cmpdi_non_v32): Add M alternative for operand 1.
953         (cmpsi, cmp<mode>): Make private.
954         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
955         with COMPARE.
956         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
957
958         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
959         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
960         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
961         (cc_reg_operand): New.
962         (any_cond): Delete.
963         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
964         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
965         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
966         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
967         crx_expand_scond): Delete.
968
969         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
970         (cbranchsi4): New.
971         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
972         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
973
974         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
975         cstoresi4, cstoresf4, cstoredf4): New.
976         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
977         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
978         Receive the entire operands array.
979         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
980         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
981         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
982         Get test/op0/op1 from the operands array.
983         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
984
985         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
986         (h8300_expand_store): New.
987         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
988         (const_int 0)).
989         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
990         (h8300_expand_store): New.
991         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
992         or do not try to produce (set (cc0) REG).
993         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
994         change a compare into a move to a scratch register.  Disable some
995         peepholes when comparing with zero.
996         (tstsi, tsthi, tstsi, cmpqi): Make private.
997         (cmphi): Delete.
998         (bCC, sCC): Delete.
999         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1000         cstoresi4): New.
1001
1002         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1003         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1004         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1005         (ix86_emit_i387_log1p): Use cbranchxf2.
1006         (ix86_expand_setcc): Return void.
1007         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1008         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1009         cmp<MODEF>, cmpcc): Remove.
1010         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1011         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1012         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1013         (sCC and bCC expanders): Remove.
1014         (stack_protect_test): Use cbranchcc4.
1015
1016         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1017         Delete.
1018         (ia64_expand_compare): Accept three rtx by reference and return void.
1019         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1020         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1021         from *expr.  Update *expr with the BImode comparison to do.
1022         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1023         cmptf, bCC, sCC, conditional_trap): Delete.
1024         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1025         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1026         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1027         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1028         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1029
1030         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1031         type of last argument.
1032         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1033         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1034         use machine mode argument instead of branch_type.  Remove dead
1035         code for floating-point comparisons.
1036         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1037         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1038         Remove.
1039         (cbranchsi4, cstoresi4): New.
1040         * config/iq2000/predicates.md (reg_or_const_operand): New.
1041
1042         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1043         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1044         (b<code>_op): Rewrite to...
1045         (bcc_op): ... this, using match_operator.
1046         (s<code>_op): Rewrite to...
1047         (scc_op): ... this, using match_operator.
1048         (s<code>_24_op): Rewrite to...
1049         (scc_op_24): ... this, using match_operator.
1050         (s<code>_<mode>): Rewrite to...
1051         (cstore<mode>4): ... this, using match_operator.
1052         (s<code>_<mode>_24): Rewrite to...
1053         (cstore<mode>4_24): ... this, using match_operator.
1054         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1055         m32c_unpend_compare, m32c_expand_scc): Delete.
1056         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1057         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1058         (m32c_expand_movcc): Change NE to EQ if necessary.
1059         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1060
1061         * config/m32r/m32r-protos.h (gen_cond_store): New.
1062         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1063         (gen_cond_store): New, from sCC patterns.
1064         (m32r_expand_block_move): Use cbranchsi4.
1065         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1066         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1067         (cbranchsi4, cstoresi4): New.
1068         
1069         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1070         Delete.
1071         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1072         (m68hc11_notice_update_cc): Look into a compare with 0.
1073         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1074         Delete.
1075         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1076         cmphi, cmpqi, bCC): Delete.
1077         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1078         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1079         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1080         sets with COMPARE.
1081
1082         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1083         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1084         * config/m68k/constraints.md (H): New.
1085         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1086         the define_insn below.
1087         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1088         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1089         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1090         patterns): Wrap RHS with COMPARE.
1091         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1092         (*cmpdi_internal): Name this pattern.
1093         (cmpdi): Change to define_insn.
1094         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1095         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1096         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1097         predicate.
1098         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1099         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1100         (conditional_trap): Change to...
1101         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1102         (*conditional_trap): Use the ordered_comparison_operator and
1103         const1_operand predicates.
1104         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1105         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1106         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1107         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1108
1109         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1110         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1111         (mcore_gen_compare): New. 
1112         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1113         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1114         (mcore_gen_compare): ... this.
1115         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1116         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1117         (stack probe pattern): Use cbranchsi4.
1118
1119         * config/mips/predicates.md (mips_cstore_operator): New.
1120         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1121         * config/mips/mips.md (any_cond): Delete.
1122         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1123         always succeed.
1124         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1125         fixuns_truncsfdi2): Use cbranch patterns.
1126         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1127         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1128         Adjust call to mips_expand_conditional_branch.
1129         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1130         cstore<GPR:mode>4.
1131         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1132         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1133         * config/mips/mips.c (cmp_operands): Delete.
1134         (mips_emit_compare): Get comparison operands from *op0/*op1.
1135         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1136         that it succeeds.  Use op0/op1 instead of cmp_operands.
1137         (mips_expand_conditional_branch, mips_expand_conditional_move,
1138         mips_expand_conditional_trap): Likewise.
1139         (mips_block_move_loop): Use cbranch patterns. 
1140         * config/mips/mips.h (cmp_operands): Delete.
1141
1142         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1143         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1144         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1145         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1146         (*cmpcc_folded): Rename to...
1147         (*cmpdi_folded): this.
1148         (*cmpcc): Rename to...
1149         (*cmps): ... this.
1150         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1151         (bCC): Remove.
1152         (cbranchdi4): New.
1153         (cbranchdf4): New.  Handle invalid comparisons here.
1154         * config/mmix/predicates.md (float_comparison_operator): New.
1155
1156         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1157         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1158         * config/mn10300/mn10300.md (tst): Delete.
1159         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1160         Name these patterns and wrap RHS in a compare.
1161         (*cmpsi): Make this pattern private.  Include tst.
1162         (*cmpsf): Make this pattern private.
1163         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1164         (compare with zero peepholes): Likewise.
1165         (bCC): Remove.
1166         (cbranchsi4, cbranchsf4): New.
1167         (casesi): Use cbranchsi4.
1168
1169         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1170         hppa_branch_type): Delete.
1171         (return_addr_rtx): Use cbranchsi4.
1172         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1173         Emit CCFPmode comparison here.
1174         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1175         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1176         hppa_branch_type): Delete.
1177         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1178         (movsicc, movdicc): Remove references to hppa_compare_op0,
1179         hppa_compare_op1 and compare_from_rtx.
1180         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1181         (casesi): Use cbranchsi4.
1182
1183         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1184         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1185         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1186         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1187         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1188         (bCC): Delete.
1189         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1190         (*branch, *branch_inverted): New.
1191
1192         * config/picochip/picochip.md (cbranchhi4): Use
1193         ordered_comparison_operator.
1194         (cmphi, bCC): Remove.
1195
1196         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1197         (trap_comparison_operator): Delete.
1198         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1199         rs6000_emit_cbranch): Accept mode and operands.
1200         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1201         rs6000_compare_fp_p): Delete.   
1202         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1203         and op0/op1 from there.  Replace references to rs6000_compare_op0
1204         and rs6000_compare_op1.
1205         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1206         extract result from passed operands.
1207         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1208         extract loc from passed operands.
1209         (rs6000_emit_cmove): Likewise.
1210         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1211         rs6000_compare_fp_p): Delete.
1212         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1213         (cbranch<GPR>4, cbranch<FP>4): New.
1214         (cstore<mode>4): New.  Consolidate here all choices about when to use
1215         portable or specialized sCC sequences.
1216         (stack_protect_test): Use cbranchsi4.
1217         (conditional_trap): Replace with ctrap<GPR>4.
1218         (conditional trap insn): Replace trap_comparison_operator with
1219         ordered_comparison_operator. 
1220
1221         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1222         (s390_emit_prologue): Use ctrap.
1223         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1224         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1225         New predicates replacing...
1226         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1227         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1228         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1229         (add<mode>cc): Do not use s390_compare_op0/op1.
1230         (s<code>): Change to...
1231         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1232         (seq): Change to...
1233         (cstorecc4): ... this.  Handle EQ or NE equally.
1234         (*sne): Un-privatize for use in cstorecc4.
1235         (b<code>): Change to...
1236         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1237         (conditional_trap): Replace with...
1238         (ctrap<GPR>4, ctrap<FP>4): ... these.
1239         (stack_protect): Use cbranchcc4.
1240
1241         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1242         * config/score/score-protos.h (score_gen_cmp): Delete.
1243         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1244         (score_block_move-loop): Use cbranchsi4.
1245         * config/score/score.md (cbranchsi4): New.
1246         (cmpsi, bCC): Delete.
1247         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1248         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1249         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1250         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1251         * config/score/score3.h (score3_gen_cmp): Delete.
1252         * config/score/score7.h (score7_gen_cmp): Delete.
1253
1254         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1255         (sh_emit_scc_to_t): ... this.  Return void.
1256         (from_compare): Rename to...
1257         (sh_emit_compare_and_branch): ... this.
1258         (sh_emit_compare_and_set): New.
1259         (sh_expand_t_scc): Accept operands.
1260         * config/sh/predicates.md (sh_float_comparison_operator): New.
1261         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1262         (prepare_scc_operands): Rename to...
1263         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1264         arguments.
1265         (sh_emit_cheap_store_flag): New.
1266         (sh_emit_set_t_insn): New.
1267         (from_compare): Rename to...
1268         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1269         handling of TARGET_SH2E floating point to avoid recursive call.
1270         Generate branch here.
1271         (sh_emit_compare_and_set): New.
1272         (sh_expand_t_scc): Get op0/op1 from arguments.
1273         (sh_emit_cheap_store_flag): New.
1274         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1275         cases.
1276         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1277         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1278         (movsicc, movdicc): Do nothing when it recreated operands from
1279         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1280         prepare_scc_operands (now sh_emit_scc_to_t).
1281         (udivdi3): Use cstoresi4.
1282         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1283         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1284         (cbranchint4_media, cbranchfp4_media): New.
1285         (casesi): Use cbranchdi4.
1286         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1287         Delete.
1288         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1289         (movnegt): Remove second operand.
1290         (cbranchsf4, cbranchdf4): New.
1291         (stack_protect): Use cbranchdi4/cbranchsi4.
1292
1293         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1294         (gen_compare_reg): Accept comparison, extract part of it to...
1295         (gen_compare_reg_1): ... this. 
1296         (gen_compare_operator): Delete.
1297         (gen_v9_scc): Accept separate destination, comparison code and arms.
1298         Do not use sparc_compare_op0/sparc_compare_op1.
1299         (emit_scc_insn, emit_conditional_branch_insn): New.
1300         (emit_v9_brxx): Make static.  Remove useless assertion.
1301         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1302         emit_cmp_insn.
1303         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1304         * config/sparc/sparc-protos.h (gen_compare_reg,
1305         sparc_emit_float_lib_cmp): Adjust prototype.
1306         (emit_scc_insn, emit_conditional_branch_insn): New.
1307         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1308         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1309         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1310         iterators to the top.
1311         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1312         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1313         snedi_special_trunc): Delete.
1314         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1315         and snedi_special_trunc.
1316         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1317         cbranchdi4, cbranch<F:mode>4): New.
1318         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1319         here.  Use gen_compare_reg instead of gen_compare_operator.
1320         (conditional_trap): Replace with...
1321         (ctrapsi4, ctrapdi4): ... this.
1322         (stack_protect_test): Use cbranchcc4.
1323
1324         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1325         argument to rtx.
1326         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1327         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1328         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1329         from operands[0] or operands[3] depending on is_set.
1330         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1331         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1332         cmpdf, bCC), sCC: Remove.
1333         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1334         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1335         cstoredf4): New.
1336         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1337         spu_emit_branch_or_set.
1338
1339         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1340         Add two arguments.
1341         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1342         xstormy16_compare_op1): Delete.
1343         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1344         xstormy16_compare_op1): Delete. 
1345         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1346         Adjust calls.
1347         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1348         (cmphi, cmpsi, bCC): Remove.
1349
1350         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1351         (*cmpsi): ... this one.
1352         (cbranchsi4, cstoresi4): New.
1353         (bCC expanders): Delete.
1354         (sCC insns): Fold into...
1355         (*setcc): ... this one.
1356         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1357         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1358         (movsicc): Simplify.
1359         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1360
1361         * config/vax/vax-protos.h (cond_name): New.
1362         (vax_output_conditional_branch): Remove.
1363         * config/vax/vax.c (cond_name): New.
1364         (vax_output_conditional_branch): Remove.
1365         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1366         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1367         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1368         (bit<VAXint>): Wrap source with (compare).
1369         (b<code> and following unnamed pattern): Rename to *branch and
1370         *branch_reversed.  Change macroization to match_operator.
1371         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1372
1373         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1374         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1375         Change last argument to machine_mode.
1376         (xtensa_expand_scc): Add machine_mode argument.
1377         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1378         (gen_conditional_move, xtensa_expand_conditional_branch,
1379         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1380         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1381         Adjust operand numbers.
1382         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1383         Delete.
1384         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1385         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1386         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1387
1388 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1389
1390         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1391         causes spurious differences between trunk and cond-optab branch.
1392
1393 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1394
1395         PR target/37137
1396         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1397
1398 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1399
1400         * tree.c (iterative_hash_pointer): Delete.
1401         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1402         Hash UIDs and versions of SSA names.  Don't special-case built-in
1403         function declarations.
1404
1405 2009-05-11  Ian Lance Taylor  <iant@google.com>
1406
1407         PR bootstrap/40103
1408         * graphite.c: Force -Wc++-compat to only be a warning before
1409         #including "cloog/cloog.h".
1410
1411 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1412
1413         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1414         
1415 2009-05-11  Jan Hubicka  <jh@suse.cz>
1416
1417         * tree-ssa-loop-ivcanon.c: Include target.h
1418         (struct loop_size): new structure.
1419         (constant_after_peeling): New predicate.
1420         (tree_estimate_loop_size): New function.
1421         (estimated_unrolled_size): Rewrite for new estimates.
1422         (try_unroll_loop_completely): Use new estimates.
1423         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1424
1425 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1426
1427         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1428         libcpp interface change.
1429         (spu_macro_to_expand): Likewise.
1430
1431 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1432
1433         PR tree-optimization/40026
1434         * gimplify.c (gimplify_init_constructor): Change initial conditional
1435         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1436         optimize_compound_literals_in_ctor.
1437
1438 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1439
1440         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1441         New devices.
1442         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1443
1444 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1445
1446         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1447         HOST_WIDE_INT for gap.
1448
1449 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1450
1451         PR tree-optimization/40074
1452         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1453         account in group size and step comparison.
1454
1455 2009-05-11  Richard Guenther  <rguenther@suse.de>
1456
1457         * passes.c (init_optimization_passes): Strip now incorrect comment.
1458         (execute_function_todo): Do not set PROP_alias.
1459         * tree-pass.h (PROP_alias): Remove.
1460         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1461         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1462         * tree-nrv.c (pass_return_slot): Likewise.
1463         * tree-object-size.c (pass_object_sizes): Likewise.
1464         * tree-ssa-dom.c (pass_dominator): Likewise.
1465         (pass_phi_only_cprop): Likewise.
1466         * tree-ssa-dse.c (pass_dse): Likewise.
1467         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1468         (pass_cselim): Likewise.
1469         * tree-ssa-pre.c (pass_pre): Likewise.
1470         (pass_fre): Likewise.
1471         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1472         * tree-ssa-sink.c (pass_sink_code): Likewise.
1473         * tree-stdarg.c (pass_stdarg): Likewise.
1474         * tree-tailcall.c (pass_tail_calls): Likewise.
1475         * tree-vrp.c (pass_vrp): Likewise.
1476
1477 2009-05-10  Ian Lance Taylor  <iant@google.com>
1478
1479         * basic-block.h (enum profile_status): Break out of struct
1480         control_flow_graph.
1481         * cgraph.h (struct inline_summary): Break out of struct
1482         cgraph_local_info.
1483         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1484         of struct cgraph_order_sort.
1485         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1486         * cse.c (struct branch_path): Break out of struct
1487         cse_basic_block_data.
1488         * except.h (enum eh_region_type): Break out of struct eh_region.
1489         * gcc.c (enum add_del): Break out of struct modify_target.
1490         * genrecog.c (enum decision_type): Break out of struct decision_test.
1491         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1492         ggc_pch_data.
1493         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1494         * regmove.c (enum match_use): New enum, broken out of struct match.
1495         * sched-int.h (enum post_call_group): New enum, broken out of
1496         struct deps.
1497         (struct deps_reg): Break out of struct deps.
1498         * target.h (struct asm_int_op): Break out of struct gcc_target.
1499         * tree-eh.c (struct goto_queue_node): Break out of struct
1500         leh_tf_state.
1501         * tree-inline.h (enum copy_body_cge_which): Break out of
1502         copy_body_data.
1503         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1504
1505         * c-decl.c (in_struct, struct_types): New static variables.
1506         (pushtag): Add loc parameter.  Change all callers.
1507         (lookup_tag): Add ploc parameter.  Change all callers.
1508         (check_compound_literal_type): New function.
1509         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1510         -Wc++-compat, warn about struct/union/enum types defined within a
1511         struct or union.
1512         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1513         and loc parameters.  Change all callers.  Change error calls to
1514         error_at, using loc.  For a redefinition, if the location of the
1515         original definition is known, report it.  Set in_struct and
1516         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1517         (finish_struct): Add new parameters enclosing_in_struct and
1518         enclosing_struct_types.  Change all callers.  Set
1519         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1520         in the struct.  If in a struct, add this struct to struct_types.
1521         (start_enum): Add loc parameter.  Change all callers.  Use
1522         error_at for errors, using loc.  For a redefinition, if the
1523         location of the original definition is known, report it.  If in a
1524         struct, add this enum type to struct_types.  If -Wc++-compat warn
1525         if in sizeof, typeof, or alignof.
1526         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1527         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1528         (c_parser_enum_specifier): Get enum location for start_enum.
1529         (c_parser_struct_or_union_specifier): Get struct location for
1530         start_struct.  Save in_struct and struct_types status between
1531         start_struct and finish_struct.
1532         (c_parser_cast_expression): Get location of cast.
1533         (c_parser_alignof_expression): Get location of type.
1534         (c_parser_postfix_expression): Likewise.
1535         (c_parser_postfix_expression_after_paren_type): Add type_loc
1536         parameter.  Change all callers.  Call check_compound_literal_type.
1537         Use type_loc for error about variable size type.
1538         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1539         of an enum constant from an enum type defined in a struct or union.
1540         (c_cast_expr): Add loc parameter.  Change all callers.  If
1541         -Wc++-compat, warn about defining a type in a cast.
1542         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1543         (start_enum, start_struct, finish_struct): Update declarations.
1544         (parser_xref_tag, c_cast_expr): Update declarations.
1545         (check_compound_literal_type): Declare.
1546
1547 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1548
1549         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1550         for recent libcpp interface change.
1551         (rs6000_macro_to_expand): Likewise.
1552
1553 2009-05-10  Michael Matz  <matz@suse.de>
1554
1555         PR target/40031
1556         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1557         not at entry of function.
1558
1559 2009-05-10  Richard Guenther  <rguenther@suse.de>
1560
1561         PR tree-optimization/40081
1562         Revert
1563         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1564         using the main variant of the element type.  Do not fiddle with
1565         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1566
1567         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1568         structs with volatile fields.
1569
1570 2009-05-10  Jan Hubicka  <jh@suse.cz>
1571
1572         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1573         (estimate_move_cost): Assert that it does not get called for
1574         VOID_TYPE_P.
1575         (estimate_num_insns): Skip VOID types in argument handling.
1576         (optimize_inline_calls): Delete unreachable blocks and verify that
1577         callgraph is valid.
1578
1579 2009-05-10  Jan Hubicka  <jh@suse.cz>
1580
1581         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1582         * cgraph.c (cgraph_mark_address_taken_node): New function.
1583         (dump_cgraph_node): Dump new flag.
1584         * cgraph.h (struct cgraph_node): Add address_taken.
1585         (cgraph_mark_address_taken_node): New function.
1586         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1587         since new direct calls can be born.
1588
1589 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1590
1591         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1592         tok->val.node.node.
1593
1594 2009-05-10  Jan Hubicka  <jh@suse.cz>
1595
1596         PR middle-end/40084
1597         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1598         argument; rewrite.
1599         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1600         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1601         * tree-inline.c (copy_bb): Set frequency correctly.
1602         (fold_marked_statements): Update call to
1603         cgraph_update_edges_for_call_stmt.
1604
1605 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1606
1607         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1608         identifiers in diagnostics.
1609         * config/arm/arm.c (arm_handle_fndecl_attribute,
1610         arm_handle_isr_attribute): Likewise.
1611         * config/avr/avr.c (avr_handle_progmem_attribute,
1612         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1613         Likewise.
1614         * config/bfin/bfin.c (handle_int_attribute,
1615         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1616         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1617         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1618         Likewise.
1619         * config/darwin.c (darwin_handle_kext_attribute,
1620         darwin_handle_weak_import_attribute): Likewise.
1621         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1622         h8300_handle_eightbit_data_attribute,
1623         h8300_handle_tiny_data_attribute): Likewise.
1624         * config/i386/i386.c (ix86_handle_cconv_attribute,
1625         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1626         Likewise.
1627         * config/i386/winnt.c (ix86_handle_shared_attribute,
1628         ix86_handle_selectany_attribute): Likewise.
1629         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1630         * config/m32c/m32c.c (function_vector_handler): Likewise.
1631         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1632         m68hc11_handle_fntype_attribute): Likewise.
1633         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1634         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1635         * config/mips/mips.c (mips_insert_attributes,
1636         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1637         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1638         rs6000_handle_struct_attribute): Likewise.
1639         * config/sh/sh.c (sh_insert_attributes,
1640         sh_handle_resbank_handler_attribute,
1641         sh_handle_interrupt_handler_attribute,
1642         sh2a_handle_function_vector_handler_attribute,
1643         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1644         Likewise.
1645         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1646         * config/spu/spu.c (spu_handle_fndecl_attribute,
1647         spu_handle_vector_attribute): Likewise.
1648         * config/stormy16/stormy16.c
1649         (xstormy16_handle_interrupt_attribute): Likewise.
1650         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1651         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1652
1653 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1654
1655         * pretty-print.h (struct pretty_print_info): Add
1656         translate_identifiers.
1657         (pp_translate_identifiers): New.
1658         (pp_identifier): Only conditionally translate identifier to locale
1659         character set.
1660         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1661         (pp_base_tree_identifier): Only conditionally translate identifier
1662         to locale character set.
1663         * c-pretty-print.c (M_): Define.
1664         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1665         fragments for conditional translation with M_.
1666         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1667         identifier translation.
1668
1669 2009-05-10  Richard Guenther  <rguenther@suse.de>
1670
1671         PR tree-optimization/40081
1672         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1673         using the main variant of the element type.  Do not fiddle with
1674         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1675
1676 2009-05-09  Jan Hubicka  <jh@suse.cz>
1677
1678         PR middle-end/40080
1679         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1680         indirect calls; verify cgraph afterwards.
1681
1682 2009-05-09  Jan Hubicka  <jh@suse.cz>
1683
1684         PR bootstrap/40082
1685         * ipa.c (update_inlined_to_pointer): New function.
1686         (cgraph_remove_unreachable_nodes): Use it.
1687
1688 2009-05-09  Jan Hubicka  <jh@suse.cz>
1689
1690         * tree-eh.c (struct leh_state): Remove prev_try.
1691         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1692         not track prev_try.
1693         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1694         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1695         remove_eh_handler_and_replace, foreach_reachable_handler,
1696         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1697         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1698         (gen_eh_region_cleanup): Update prototype.
1699
1700 2009-05-09  Jan Hubicka  <jh@suse.cz>
1701
1702         PR middle-end/40043
1703         * except.c (copy_eh_region): Always set prev_try.
1704         (redirect_eh_edge_to_label): Find outer try.
1705         (foreach_reachable_handler): When looking for prev try
1706         handle case where previous try is not going to be taken.
1707
1708 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1709
1710         PR tree-optimization/40049
1711         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1712         only vector/vector shifts, convert the type of the constant to the
1713         appropriate type to avoid building incorrect trees, which
1714         eventually have problems with garbage collection.
1715
1716 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1717
1718         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1719         -1 for complex floating-point types if honoring signed zeros.
1720
1721 2009-05-08  Jan Hubicka  <jh@suse.cz>
1722
1723         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1724         argument; handle correctly when profile is absent.
1725         (build_cgraph_edges): Update.
1726         (rebuild_cgraph_edges): Update.
1727         * cgraph.c: Do not include varray.h.
1728         (cgraph_set_call_stmt_including_clones): New function.
1729         (cgraph_create_edge_including_clones): Likewise
1730         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1731         (cgraph_update_edges_for_call_stmt): Handle clones.
1732         (cgraph_remove_node): Handle clone tree.
1733         (cgraph_remove_node_and_inline_clones): New function.
1734         (dump_cgraph_node): Dump clone tree.
1735         (cgraph_clone_node): Handle clone tree.
1736         (clone_function_name): Bring here from tree-inline.c.
1737         (cgraph_create_virtual_clone): New function.
1738         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1739         (cgraph_clone_info): New function.
1740         (strut cgraph_node): Add clone_info and new clone tree pointers.
1741         (cgraph_remove_node_and_inline_clones,
1742         cgraph_set_call_stmt_including_clones,
1743         cgraph_create_edge_including_clones,
1744         cgraph_create_virtual_clone): Declare.
1745         (cgraph_function_versioning): Use VEC argument.
1746         (compute_call_stmt_bb_frequency): Update prototype.
1747         (cgraph_materialize_all_clones): New function.
1748         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1749         (ipcp_create_replace_map): Update to VECtors.
1750         (ipcp_update_callgraph): Use virtual clones.
1751         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1752         (ipcp_update_profiling): Do not update local profiling.
1753         (ipcp_insert_stage): Use VECtors and virtual clones.
1754         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1755         (clone_of_p): New function.
1756         (cgraph_preserve_function_body_p): Use clone tree.
1757         (cgraph_optimize): Materialize clones.
1758         (cgraph_function_versioning): Update for VECtors.
1759         (save_inline_function_body): Use clone tree.
1760         (cgraph_materialize_clone): New function.
1761         (cgraph_materialize_all_clones): Likewise.
1762         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1763         * ipa.c: Include gimple.h.
1764         (cgraph_remove_unreachable_nodes): Use clone tree.
1765         * ipa-prop.c (ipa_note_param_call): Update call to
1766         compute_call_stmt_bb_frequencycall.
1767         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1768         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1769         (copy_bb): Handle updating of clone tree; add new edge when new call
1770         appears.
1771         (expand_call_inline): Be strict about every call having edge.
1772         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1773         (delete_unreachable_blocks_update_callgraph): New function.
1774         (tree_function_versioning): Use VECtors; always remove unreachable
1775         blocks and fold conditionals.
1776         * tree-inline.h: Do not include varray.h.
1777         (tree_function_versioning): Remove.
1778         * Makefile.in (GTFILES): Remove tree-inline.c
1779         * passes.c (do_per_function): Do only functions having body.
1780         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1781         tree.
1782
1783 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1784             Andrew Morrow  <acm@google.com>
1785
1786         PR c/36892
1787         * c-common.c (c_common_attribute_table): Permit deprecated
1788         attribute to take an optional argument.
1789         (handle_deprecated_attribute): If the optional argument to
1790         __attribute__((deprecated)) is not a string ignore the attribute
1791         and emit a warning.
1792
1793         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1794         * c-typeck.c (build_component_ref): Likewise.
1795         (build_external_ref): Likewise.
1796
1797         * toplev.c (warn_deprecated_use): Add an attribute argument.
1798         Emit the message associated with __attribute__((deprecated)).
1799
1800         * toplev.h (warn_deprecated_use): Updated.
1801
1802         * doc/extend.texi: Document new optional parameter to
1803         __attribute__((deprecated))
1804
1805 2009-05-08  Michael Eager <eager@eagercon.com>
1806
1807         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1808         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1809
1810 2009-05-08  Richard Guenther  <rguenther@suse.de>
1811
1812         PR tree-optimization/40062
1813         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1814         Avoid exponential behavior.
1815
1816 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1817
1818         PR rtl-optimization/33928
1819         PR 26854
1820         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1821         process_uses, build_single_def_use_links): New.
1822         (update_df): Update use_def_ref.
1823         (forward_propagate_into): Use get_def_for_use instead of use-def
1824         chains.
1825         (fwprop_init): Call build_single_def_use_links and let it initialize
1826         dataflow.
1827         (fwprop_done): Free use_def_ref.
1828         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1829         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1830         df_rd_simulate_one_insn): New.
1831         (df_rd_bb_local_compute_process_def): Update head comment.
1832         (df_chain_create_bb): Use the new RD simulation functions.
1833         * df.h (df_rd_simulate_artificial_defs_at_top, 
1834         df_rd_simulate_one_insn): New.
1835         * opts.c (decode_options): Enable fwprop at -O1.
1836         * doc/invoke.texi (-fforward-propagate): Document this.
1837
1838 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1839
1840         PR c/24581
1841         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1842         and one complex operand specially.
1843         * tree-complex.c (some_nonzerop): Do not identify a real value as
1844         zero if flag_signed_zeros.
1845
1846 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1847
1848         PR rtl-optimization/33928
1849         * loop-invariant.c (record_use): Fix && vs. || mishap.
1850
1851 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1852
1853         PR rtl-optimization/33928
1854         * loop-invariant.c (struct use): Add addr_use_p.
1855         (struct def): Add n_addr_uses.
1856         (struct invariant): Add cheap_address.
1857         (create_new_invariant): Set cheap_address.
1858         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1859         (record_uses): Pass df_ref to record_use.
1860         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1861         used only as such.
1862
1863 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1864
1865         * config/sh/sh.c: Do not include c-pragma.h.
1866
1867 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1868
1869         * config/spu/spu.c: Remove include of c-common.h.
1870
1871 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1872
1873         PR c/39037
1874         * c-common.h (mark_valid_location_for_stdc_pragma,
1875         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1876         clear_float_const_decimal64, float_const_decimal64_p): New.
1877         * c.opt (Wunsuffixed-float-constants): New.
1878         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1879         unsuffixed float constant, handle new warning.
1880         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1881         * c-decl.c (c_scope): New flag float_const_decimal64.
1882         (set_float_const_decimal64, clear_float_const_decimal64,
1883         float_const_decimal64_p): New.
1884         (push_scope): Set new flag.
1885         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1886         to use STDC pragmas.
1887         (c_parser_external_declaration): Ditto.
1888         (c_parser_compound_statement_nostart): Ditto.
1889         * c-pragma.c (valid_location_for_stdc_pragma,
1890         mark_valid_location_for_stdc_pragma,
1891         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1892         handle_pragma_float_const_decimal64): New.
1893         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1894         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1895         set_float_const_decimal64, clear_float_const_decimal64,
1896         float_const_decimal64_p): New dummy functions.
1897         * doc/extend.texi (Decimal Float): Remove statement that the
1898         pragma, and suffix for double constants, are not supported.
1899         * doc/invoke.texi (Warning Options): List new option.
1900         (-Wunsuffixed-float-constants): New.
1901
1902 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1903
1904         * config/i386/i386.c: Do not include c-common.h.
1905
1906 2009-05-07  Mark Heffernan  <meheff@google.com>
1907
1908         * doc/invoke.texi (Debugging Options): Document change of debugging
1909         dump location.
1910         * opts.c (decode_options): Make dump_base_name relative to
1911         aux_base_name directory.
1912
1913 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1914
1915         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1916         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1917
1918 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1919
1920         * Makefile.in (install-plugin): Simplify a bit.
1921
1922 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         * Makefile.in (OBJS-common): Add regcprop.o.
1925         (regcprop.o): New.
1926         * timevar.def (TV_CPROP_REGISTERS): New.
1927         * regrename.c (regrename_optimize): Return 0.
1928         (rest_of_handle_regrename): Delete.
1929         (pass_rename_registers): Point to regrename_optimize.
1930         (struct value_data_entry, struct value_data, 
1931         kill_value_one_regno, kill_value_regno, kill_value,
1932         set_value_regno, init_value_data, kill_clobbered_value,
1933         kill_set_value, kill_autoinc_value, copy_value,
1934         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1935         replace_oldest_value_reg, replace_oldest_value_addr,
1936         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1937         debug_value_data, validate_value_data): Move...
1938         * regcprop.c: ... here.
1939         (rest_of_handle_cprop): Delete.
1940         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1941
1942 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1943
1944         PR middle-end/40057
1945         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1946         GEN_INT for 1 << bitnum.
1947         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1948         build_int_cst_type.
1949
1950 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1953         Remove wrong description of "nand" operation.
1954
1955 2009-05-06  Richard Guenther  <rguenther@suse.de>
1956             Adam Nemet  <anemet@caviumnetworks.com>
1957
1958         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1959         comment.  Add that if LHS is not a gimple register, then RHS1 has
1960         to be a single object (GIMPLE_SINGLE_RHS).
1961
1962 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1963
1964         * expr.c (get_def_for_expr): Move it up in the file.
1965         (store_field): When expanding a bit-field store, look at the
1966         defining gimple stmt for the masking conversion.
1967
1968 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1969
1970         PR middle-end/39986
1971         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1972         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1973         32-bit memcpy into long.
1974
1975 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1976
1977         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1978         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1979         new_reg_loc_descr.
1980         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1981         instead of appending DW_OP_deref*.
1982
1983 2009-05-06  Michael Matz  <matz@suse.de>
1984
1985         PR middle-end/40021
1986         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1987         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1988
1989 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1990
1991         * Makefile.in (install-plugin): Fix srcdir handling.
1992
1993 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1994
1995         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1996         when processing for not_regs_needed bitmap.
1997         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1998         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1999         handling it for rhs. 
2000
2001 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2002
2003         * config/i386/i386.md (unnamed inc/dec peephole): Use
2004         optimize_insn_for_size_p instead of optimize_size.
2005         * config/i386/predicates.md (incdec_operand): Likewise.
2006         (aligned_operand): Likewise.
2007         * config/i386/sse.md (divv8sf3): Likewise.
2008         (sqrtv8sf2): Likewise.
2009
2010 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2011
2012         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2013
2014         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2015
2016 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2017
2018         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2019         ssemodesuffixf2c with avxmodesuffixf2c.
2020
2021 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2022
2023         PR c/40032
2024         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2025
2026 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2027
2028         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2029         (struct tree_base): Adjust spacing for 8 bit boundaries.
2030         (struct tree_decl_common): Add decl_by_reference_flag bit.
2031         (DECL_BY_REFERENCE): Adjust.
2032         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2033         print DECL_BY_REFERENCE bit.
2034         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2035         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2036         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2037         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2038         unconditionally.
2039
2040         PR middle-end/39666
2041         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2042         range of the type, but default label is missing, add it with one
2043         of the existing labels instead of adding a new label for it.
2044
2045 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2046
2047         * dwarf.h: Remove.
2048
2049 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2050
2051         * Makefile.in (enable_plugin, plugin_includedir): New.
2052         (install): Depend on install-plugin.
2053         (PLUGIN_HEADERS): New.
2054         (install-plugin): New.
2055         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2056
2057 2009-05-05  Richard Guenther  <rguenther@suse.de>
2058
2059         PR tree-optimization/40022
2060         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2061         the only vuse.
2062         (phivn_valid_p): Fix tuplification error, simplify.
2063         (phiprop_insert_phi): Add dumps.
2064         (propagate_with_phi): Simplify.
2065
2066 2009-05-05  Richard Guenther  <rguenther@suse.de>
2067
2068         PR middle-end/40023
2069         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2070
2071 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2072
2073         * tree.h (strip_float_extensions): Remove duplicate declaration.
2074         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2075         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2076         block_ultimate_origin): Rearrange the declarations line to match the
2077         comment that indicates the .c file which the functions are defined.
2078         (dwarf2out_*, set_decl_rtl): Add comment.
2079         (get_base_address): Adjust comment.
2080         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2081         declarations line and add comment.
2082         (is_builtin_name): Add blank after function name, for clarity.
2083
2084 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2085
2086         * attribs.c (decl_attributes): Use %qE for identifiers in
2087         diagnostics.
2088         * cgraphunit.c (verify_cgraph_node): Translate function names to
2089         locale character set in diagnostics.
2090         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2091         diagnostics.
2092         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2093         Document that functions are named in UTF-8.
2094         * expr.c (expand_expr_real_1): Translate function names to locale
2095         character set in diagnostics.
2096         * gimplify.c (omp_notice_variable, omp_is_private,
2097         gimplify_scan_omp_clauses): Use %qE for identifiers in
2098         diagnostics.
2099         * langhooks.c (lhd_print_error_function): Translate function names
2100         to locale character set.
2101         * langhooks.h (decl_printable_name): Document that return value is
2102         in internal character set.
2103         * stmt.c: Include pretty-print.h
2104         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2105         diagnostics.
2106         (resolve_operand_name_1): Translate named operand name to locale
2107         character set.
2108         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2109         diagnostics.
2110         * toplev.c (announce_function): Translate function names to locale
2111         character set.
2112         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2113         (default_tree_printer): Use pp_identifier or translate identifiers
2114         to locale character set.  Mark "<anonymous>" for translation.
2115         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2116         for identifiers in diagnostics.
2117         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2118         diagnostics.
2119         * varasm.c (output_constructor): Use %qE for identifiers in
2120         diagnostics.
2121
2122 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2123
2124         * configure.ac: use ` ` instead of $()
2125         * configure: Regenerate.
2126
2127 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2128
2129         * config/pa/linux-atomic.c: Eliminate conditional include of
2130         errno.h on non-LP64 systems to simplify build requirements.
2131
2132 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2133
2134         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2135         diagnostics.
2136         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2137         and pass value to identifier_to_locale.
2138         (warn_variable_length_array): Make name a tree.
2139         (grokdeclarator): Separate diagnostic texts for named and unnamed
2140         declarators.  Use %qE for named declarators.
2141         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2142         diagnostics.
2143         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2144         identifiers in diagnostics.
2145         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2146         identifier_to_locale.  Mark "anonymous" strings for translation.
2147
2148 2009-05-04  Michael Eager <eager@eagercon.com>
2149
2150         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2151         address for DImode/DFmode only if double-precision FP regs.
2152
2153 2009-05-04  Michael Eager <eager@eagercon.com>
2154
2155         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2156         TARGET_SINGLE_FLOAT check.
2157
2158 2009-05-04  Michael Eager <eager@eagercon.com>
2159
2160         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2161
2162 2009-05-04  Michael Eager <eager@eagercon.com>
2163
2164         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2165         * config/rs6000/t-xilinx: New
2166
2167 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2168
2169         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2170         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2171         * gcc/explow.c (memory_address): Use target hook.
2172         * gcc/targhooks.c (default_legitimize_address): New.
2173         * gcc/targhooks.h (default_legitimize_address): New.
2174         * gcc/target.h (legitimize_address): New.
2175         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2176         (TARGET_INITIALIZER): Include it.
2177         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2178
2179         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2180         * config/bfin/bfin.c (legitimize_address): Remove.
2181         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2182         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2183         Remove.
2184         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2185         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2186
2187         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2188         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2189         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2190         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2191         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2192         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2193         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2194         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2195         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2196         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2197         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2198         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2199         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2200         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2201         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2202         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2203         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2204         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2205         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2206         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2207         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2208         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2209         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2210
2211         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2212         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2213         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2214         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2215         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2216         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2217         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2218         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2219         (thumb_legitimize_address): Delete.
2220         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2221         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2222         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2223         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2224         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2225         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2226         Delete.
2227         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2228         Delete.
2229
2230         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2231         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2232         * config/m32r/m32r.c (m32r_legitimize_address): New.
2233         * config/m68k/m68k.c (m68k_legitimize_address): New.
2234         * config/score/score.c (score_legitimize_address): Standardize.
2235         * config/score/score3.c (score3_legitimize_address): Standardize.
2236         * config/score/score3.h (score3_legitimize_address): Adjust.
2237         * config/score/score7.c (score7_legitimize_address): Standardize.
2238         * config/score/score7.h (score7_legitimize_address): Adjust.
2239         * config/sh/sh.c (sh_legitimize_address): New.
2240         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2241
2242         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2243         (s390_legitimize_address): ... this.
2244         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2245         (sparc_legitimize_address): ... this.
2246         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2247         (ix86_legitimize_address): ... this.
2248         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2249         (avr_legitimize_address): ... this.
2250         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2251         (mn10300_legitimize_address): ... this.
2252         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2253         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2254         (alpha_expand_mov): Adjust call.
2255
2256         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2257         * config/spu/spu.c (spu_legitimize_address): Likewise.
2258         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2259         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2260
2261 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2262
2263         * intl.c (locale_encoding, locale_utf8): New.
2264         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2265         * intl.h (locale_encoding, locale_utf8): Declare.
2266         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2267         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2268         New.
2269         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2270         argument.
2271         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2272         (pp_base_tree_identifier): Declare as function.
2273         (identifier_to_locale): Declare.
2274         * Makefile.in (pretty-print.o): Update dependencies.
2275         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2276
2277 2009-05-04  Richard Guenther  <rguenther@suse.de>
2278
2279         PR middle-end/40015
2280         * builtins.c (fold_builtin_memory_op): Do not decay to element
2281         type if the size matches the whole array.
2282
2283 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2284
2285         * expmed.c (synth_mult): When trying out a shift, pass the result
2286         of a signed shift.
2287
2288 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2289
2290         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2291         (shiftsub1_cost): New.
2292         (init_expmed): Compute shiftsub1_cost.
2293         (synth_mult): Optimize multiplications by constants of the form
2294         -(2^^m-1) for some constant positive integer m.
2295
2296 2009-05-03  Richard Guenther  <rguenther@suse.de>
2297
2298         PR c/39983
2299         * c-typeck.c (array_to_pointer_conversion): Do not built
2300         ADDR_EXPRs of arrays of pointer-to-element type.
2301         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2302         up wrong ADDR_EXPRs after-the-fact.
2303         * c-common.c (strict_aliasing_warning): Strip pointer
2304         conversions for obtaining the original type.
2305         * builtins.c (fold_builtin_memset): Handle array types.
2306         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2307         and array types
2308
2309 2009-05-03  Richard Guenther  <rguenther@suse.de>
2310
2311         PR middle-end/23329
2312         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2313         Do not lose casts from array types with unknown extent to array
2314         types with known extent.
2315         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2316         alias set compatibility.
2317
2318 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2319
2320         * flags.h (extra_warnings): Delete.
2321         * toplev.c (process_options): Handle Wuninitialized here.
2322         * opts.c (extra_warnings): Delete.
2323         (set_Wextra): Delete.
2324         (common_handle_option): -Wextra can be handled automatically.
2325         * c-opts.c (c_common_handle_option): Delete obsolete code.
2326         (c_common_post_options): Simplify comment.
2327         * common.opt (W): Add Var.
2328         (Wextra): Add Var.
2329         (Wuninitialized): Initialize to -1.
2330
2331 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2332             Richard Guenther  <rguenther@suse.de>
2333
2334         * expr.c (get_def_for_expr): New function.
2335         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2336         SSA rather than trees.
2337         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2338         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2339         
2340 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2341
2342         * c-common.c (reswords): Add _Imaginary.
2343         * c-common.c (enum rid): Add RID_IMAGINARY.
2344
2345 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2346
2347         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2348         Patch by Richard Guenther.
2349
2350 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2351
2352         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2353         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2354         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2355         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2356         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2357         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2358         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2359         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2360         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2361         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2362         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2363         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2364         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2365         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2366         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2367         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2368         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2369         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2370
2371 2009-05-02  Richard Guenther  <rguenther@suse.de>
2372
2373         PR tree-optimization/39940
2374         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2375         doing so.
2376
2377 2009-05-02  Richard Guenther  <rguenther@suse.de>
2378
2379         PR middle-end/40001
2380         * tree-ssa.c (execute_update_addresses_taken): Properly check
2381         if we can mark a variable DECL_GIMPLE_REG_P.
2382         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2383         back to the end of the function.
2384         (is_gimple_reg_type): Remove complex type special casing.
2385         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2386         if not optimizing.
2387
2388 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2389
2390         * doc/collect2.texi (Collect2): Document search path behaviour
2391         when configured with --with-ld.
2392
2393 2009-05-02  Jan Hubicka  <jh@suse.cz>
2394
2395         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2396         parameter; update callers.
2397         (coalesce_cost_edge): EH edges are costier because they needs
2398         splitting even if not critical and even more costier when there are
2399         multiple EH predecestors.
2400
2401 2009-05-02  Jan Hubicka  <jh@suse.cz>
2402
2403         * except.c (remove_eh_handler_and_replace): Handle updating after
2404         removing TRY blocks.
2405
2406 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2407
2408         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2409
2410 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2411
2412         * varasm.c: Do not include c-pragma.h.
2413         * attribs.c: Do not incude c-common.h.
2414
2415 2009-05-01  Michael Matz  <matz@suse.de>
2416
2417         * calls.c (initialize_argument_information): Handle SSA names like
2418         decls with a non MEM_P DECL_RTL.
2419
2420 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2421
2422         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2423         * ipa-utils.c: Likewise.
2424         * ipa-type-escape.c: Likewise.
2425         * cgraphunit.c Do not include c-common.h.
2426         * ipa-pure-const.c: Likewise.
2427         * tree-if-conv.c: Likewise.
2428         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2429         * ipa-struct-reorg.c: Likewise.
2430         * tree-nomudflap.c: Likewise.
2431         * tree-ssa-structalias.c: Likewise.
2432
2433 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2434
2435         * store-motion.c: Many cleanups to make this pass a first-class
2436         citizen instead of an appendix to gcse load motion.  Add TODO list
2437         to make this pass faster/cleaner/better.
2438
2439         (struct ls_expr): Post gcse.c-split cleanups.
2440         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2441         "stores" field to "avail_stores".
2442         (pre_ldst_mems): Rename to store_motion_mems.
2443         (pre_ldst_table): Rename to store_motion_mems_table.
2444         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2445         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2446         (ldst_entry): Rename to st_expr_entry, update users.
2447         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2448         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2449         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2450         update caller.
2451         (first_ls_expr): Rename to first_st_expr, update users.
2452         (next_ls_expr): Rename to next_st_expr, update users.
2453         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2454         fields properly for store motion instead of names inherited from load
2455         motion in gcse.c.
2456         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2457         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2458         are done with it.
2459
2460         (ae_kill): Rename to st_kill, update users.
2461         (ae_gen): Rename to st_avloc, update users.
2462         (transp): Rename to st_transp, update users.
2463         (pre_insert_map): Rename to st_insert_map, update users.
2464         (pre_delete_map): Rename to st_delete_map, update users.
2465         (insert_store, build_store_vectors, free_store_memory,
2466         one_store_motion_pass): Update for abovementioned changes.
2467
2468         (gcse_subst_count, gcse_create_count): Remove.
2469         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2470         and "n_stores_created", local variables.
2471
2472         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2473         use for_each_rtx.
2474
2475         (regvec, compute_store_table_current_insn): Remove.
2476         (reg_set_info, reg_clear_last_set): Remove.
2477         (compute_store_table): Use DF caches instead of local dataflow
2478         solvers.
2479
2480 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2481
2482         * c-objc-common.c (c_tree_printer): Print identifiers with
2483         pp_identifier, not pp_string.  Mark "({anonymous})" for
2484         translation.
2485         * c-pretty-print.c (pp_c_ws_string): New.
2486         (pp_c_cv_qualifier, pp_c_type_specifier,
2487         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2488         pp_c_storage_class_specifier, pp_c_function_specifier,
2489         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2490         pp_c_primary_expression, pp_c_postfix_expression,
2491         pp_c_unary_expression, pp_c_shift_expression,
2492         pp_c_relational_expression, pp_c_equality_expression,
2493         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2494         use pp_string and pp_c_ws_string in place of pp_identifier and
2495         pp_c_identifier for non-identifiers.  Mark English strings for
2496         translation.
2497         * c-pretty-print.h (pp_c_ws_string): Declare.
2498
2499 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2500             Roland McGrath <roland@redhat.com>
2501
2502         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2503         (ENABLE_LD_BUILDID): New configuration option.
2504         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2505         (LINK_BUILDID_SPEC): New macro.
2506         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2507         link_spec.
2508         * doc/install.texi: Document --enable-linker-build-id option.
2509         * configure: Rebuild.
2510         * config.in: Rebuild.
2511
2512 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2513
2514         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2515         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2516         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2517         MIPS_GP_SAVE_AREA_SIZE.
2518         * config/mips/mips.c (struct mips_frame_info): Update comment
2519         before arg_pointer_offset and hard_frame_pointer_offset.
2520         (mips_compute_frame_info): Update diagram before function: to
2521         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2522         indicate the position of frame_pointer_rtx with -fstack-protector and
2523         to show args_size.  Don't allocate cprestore area for leaf functions
2524         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2525         cprestore_size.
2526         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2527
2528 2009-04-30  Michael Matz  <matz@suse.de>
2529
2530         PR tree-optimization/39955
2531         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2532
2533 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2534
2535         * ira.c (setup_cover_and_important_classes):  Use safe macro
2536         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2537         directly.
2538         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2539         REG_CLASS_FOR_CONSTRAINT.
2540
2541 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2542
2543         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2544         instead of an int.
2545         * bitmap.c (bitmap_descriptor): Likewise.
2546         * ggc-common.c (loc_descriptor): Likewise.
2547         * varray.c (varray_descriptor): Likewise.
2548         * vec.c (vec_descriptor): Likewise.
2549
2550 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2551
2552         * Makefile.in (dce.o): Add $(EXCEPT_H).
2553         * dce.c: Include except.h and delete redundant vector definitions.
2554         (deletable_insn_p): Return false for non-call insns that can throw
2555         if DF is running.
2556
2557 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2558
2559         * gcse.c (ae_gen): Remove.
2560         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2561         and make non-static function to make it available in store-motion.c.
2562         Update call sites with search-and-replace.
2563         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2564         extract_mentioned_regs, extract_mentioned_regs_helper,
2565         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2566         store_killed_in_insn, store_killed_after, store_killed_before,
2567         build_store_vectors, insert_insn_start_basic_block, insert-store,
2568         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2569         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2570         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2571         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2572         and clean up to remove parts not used by store motion.
2573         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2574         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2575
2576 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2577
2578         PR target/38571
2579         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2580         when optimizing for size.
2581
2582 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2583
2584         * gcse.c (gcse_constant_p): Fix typo in last change.
2585
2586 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2587
2588         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2589
2590 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2591
2592         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2593
2594 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2595
2596         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2597         CONST_HIGH_PART result.
2598
2599 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2600
2601         * config/avr/avr.c (initial_elimination_offset): Rename to
2602         avr_initial_elimination_offset.
2603         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2604         change return type to bool.
2605         (avr_can_eliminate): New function.
2606         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2607         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2608         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2609         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2610         avr_initial_elimination_offset.
2611         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2612         (avr_initial_elimination_offset): Define.
2613
2614 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2615             Steven Bosscher  <steven@gcc.gnu.org>
2616
2617         PR rtl-optimization/39938
2618         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2619         * cfgrtl.c: Include insn-attr.h.
2620         (rest_of_pass_free_cfg): New function.
2621         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2622         * resource.c (init_resource_info): Remove call to df_analyze.
2623
2624 2009-04-29  Richard Guenther  <rguenther@suse.de>
2625
2626         PR target/39943
2627         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2628         allow conversion to signed integers.
2629
2630 2009-04-29  Richard Guenther  <rguenther@suse.de>
2631
2632         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2633         shifts of floating point vectors if the shift amount is
2634         a constant multiple of the element size.
2635
2636 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2637             Michael Matz  <matz@suse.de>
2638
2639         PR middle-end/39927
2640         PR bootstrap/39929
2641         * tree-outof-ssa.c (emit_partition_copy): New function.
2642         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2643         insert_part_to_rtx_on_edge): Perform the partition base var
2644         copy using emit_partition_copy.
2645         (insert_value_copy_on_edge): Convert constants to the right mode.
2646         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2647         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2648
2649 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2650
2651         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2652         scan backwards to try to find a constant to initialize it.
2653
2654         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2655         insn before the loop_end instruction, don't look past labels.
2656
2657 2009-04-29  Richard Guenther  <rguenther@suse.de>
2658
2659         PR middle-end/39937
2660         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2661         loose type conversions.
2662         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2663         stmts only if there are no uses of its definition.
2664
2665 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2666
2667         * config/bfin/bfin.h (splitting_loops): Declare.
2668         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2669         Reorder bit definitions to be ascending.
2670         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2671         * config/bfin/bfin.c (splitting_loops): New variable.
2672         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2673         (struct loop_info): Remove members INIT and LOOP_INIT.
2674         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2675         the LSETUP sequence.  Allow LC to be loaded from any register, but
2676         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2677         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2678         set to 1.
2679         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2680         of reload_completed.
2681
2682         From Jie Zhang:
2683         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2684
2685 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2686
2687         * Makefile.in (PLUGIN_VERSION_H): New.
2688         (OBJS-common): Remove plugin-version.o.
2689         (plugin.o): Depend on (PLUGIN_VERSION_H).
2690         (plugin-version.o): Remove.
2691         * configure: Regenerate
2692         * configure.ac: Create plugin-version.h.
2693         * gcc-plugin.h (plugin_gcc_version): Remove.
2694         (plugin_default_version_check): Change signature.
2695         * plugin-version.c: Remove.
2696         * plugin.c: Include plugin-version.h.
2697         (str_plugin_gcc_version_name): Remove.
2698         (try_init_one_plugin): Pass gcc version to plugin_init.
2699         (plugin_default_version_check): Both gcc and plugin versions are now
2700         arguments.
2701
2702 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2703         
2704         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2705         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2706         Remove special case testing for last insn of inner loops. Don't fail
2707         if the loop ends with a jump, emit an extra nop instead.
2708
2709         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2710         DREGS rather than comparing directly.  Remove code that tries to
2711         account for latencies.
2712
2713 2009-04-29  Richard Guenther  <rguenther@suse.de>
2714
2715         PR tree-optimization/39941
2716         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2717         eliminating an indirect call.
2718
2719 2009-04-29  Richard Guenther  <rguenther@suse.de>
2720
2721         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2722         parameter.  Allow invariants as base if !require_lvalue.
2723         (verify_gimple_assign_single): Adjust.
2724
2725 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2726
2727         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2728         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2729         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2730         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2731         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2732         a VEC_SELECT.
2733         * config/bfin/bfin.c (bfin_expand_builtin,
2734         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2735
2736 2009-04-28  Richard Guenther  <rguenther@suse.de>
2737
2738         * tree-vect-loop.c (get_initial_def_for_induction): Use
2739         correct types for pointer increment.
2740
2741 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2742
2743         * toplev.c (print_version): Update GMP version string calculation.
2744
2745 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2746
2747         PR rtl-optimization/39938
2748         * resource.c (init_resource_info): Add call to df_analyze.
2749
2750 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2751
2752         * config/alpha/alpha.md (usegp): Cast the result of
2753         alpha_find_lo_sum_using_gp to enum attr_usegp.
2754         * config/alpha/alpha.c (override_options): Remove end-of-structure
2755         marker element from cpu_table.  Use array size of cpu_table to handle
2756         -mcpu and -mtune options.
2757         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2758
2759 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2760
2761         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2762         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2763         tune_32 and tune_64.
2764         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2765         support on PowerPC.
2766         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2767         * config/rs6000/option-defaults.h: ... here.  New file.
2768         (OPT_64, OPT_32): Define.
2769         (MASK_64BIT): Define to 0 if not already defined.
2770         (OPT_ARCH64, OPT_ARCH32): Define.
2771         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2772         and tune_64.
2773
2774 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2775
2776         * config/arm/arm.c (arm_override_options): Emit error on using
2777         fpa with AAPCS.
2778
2779 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2780
2781         PR rtl-optimization/39914
2782         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2783         registers for allocnos created from user-defined variables only
2784         when not optimizing.
2785
2786 2009-04-28  Richard Guenther  <rguenther@suse.de>
2787
2788         PR middle-end/39937
2789         * fold-const.c (fold_binary): Use distribute_real_division only
2790         on float types.
2791
2792 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2793
2794         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2795         add hpux-stdint.h to tm_file.
2796         (hppa[12]*-*-hpux11*): Ditto.
2797         (ia64*-*-hpux*): Ditto.
2798         * config/hpux-stdint.h: New.
2799         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2800         __STDC_EXT__ for all compiles.
2801         * config/pa/pa-hpux.h: Ditto.
2802         * config/pa/pa-hpux10.h: Ditto.
2803         * config/pa/pa-hpux11.h: Ditto.
2804
2805 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2806
2807         * debug.h (set_name): Add comment.
2808
2809 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2810
2811         PR target/39929
2812         * config/darwin.c (machopic_gen_offset): Check
2813         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2814         * config/arm/arm.c (require_pic_register): Likewise.
2815
2816 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2817
2818         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2819         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2820         m32c_promote_prototypes): Delete.
2821
2822 2009-04-28  Michael Matz  <matz@suse.de>
2823
2824         PR middle-end/39922
2825         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2826         constants.
2827
2828 2009-04-28  Richard Guenther  <rguenther@suse.de>
2829
2830         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2831
2832 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2833
2834         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2835         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2836         * config/arm/arm-tune.md: Regenerate.
2837
2838 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2839
2840         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2841         block if there are complex incoming edges.
2842         (sel_merge_blocks): Remove useless assert.
2843         (sel_redirect_edge_and_branch): Check that edge was redirected.
2844         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2845         (sel_find_rgns): Delete declaration.
2846         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2847         the region when it is not a preheader.
2848
2849 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         PR c/39323
2852         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2853
2854 2009-04-28  Richard Guenther  <rguenther@suse.de>
2855
2856         * tree.h (SSA_NAME_VALUE): Remove.
2857         (struct tree_ssa_name): Remove value_handle member.
2858         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2859         array for jump threading.
2860         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2861         SSA_NAME_VALUEs.
2862         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2863         * tree-flow.h (threadedge_initialize_values): Declare.
2864         (threadedge_finalize_values): Likewise.
2865         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2866         (SSA_NAME_VALUE): Define.
2867         (threadedge_initialize_values): New function.
2868         (threadedge_finalize_values): Likewise.
2869         * tree-ssa-dom.c (ssa_name_values): New global variable.
2870         (SSA_NAME_VALUE): Define.
2871         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2872
2873 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2874
2875         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2876         Use REPORT_VECTORIZED_LOCATIONS instead 
2877         REPORT_VECTORIZED_LOOPS.
2878         * tree-vectorizer.c (vect_verbosity_level): Make static.
2879         (vect_loop_location): Rename to vect_location.
2880         (vect_set_verbosity_level): Update comment.
2881         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2882         and vect_location.
2883         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2884         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2885         instead REPORT_UNVECTORIZED_LOOPS.
2886         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2887         and vect_loop_def to vect_external_def and vect_internal_def.
2888         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2889         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2890         REPORT_UNVECTORIZED_LOCATIONS.
2891         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2892         and vect_used_in_loop and to vect_unused_in_scope and 
2893         vect_used_in_scope.
2894         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2895         (vect_verbosity_level): Remove declaration.
2896         (vect_analyze_operations): Likewise.
2897         (vect_analyze_stmt): Declare.
2898         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2899         REPORT_UNVECTORIZED_LOCATIONS.
2900         (vect_get_loop_niters): Fix indentation.
2901         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2902         (vect_analyze_loop_operations): New function.
2903         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2904         vect_analyze_operations.
2905         (vect_is_simple_reduction): Use new names.
2906         (vectorizable_live_operation, vect_transform_loop): Likewise.
2907         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2908         to specify whether the data references can be a part of interleaving
2909         chain.
2910         (vect_analyze_data_ref_dependence): Use new names.
2911         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2912         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2913         * tree-vect-patterns.c (widened_name_p): Use new names.
2914         (vect_recog_dot_prod_pattern): Likewise.
2915         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2916         (process_use, vect_mark_stmts_to_be_vectorized, 
2917         vect_model_simple_cost, vect_model_store_cost,
2918         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2919         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2920         vectorizable_operation, vectorizable_type_demotion,
2921         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2922         vectorizable_condition): Likewise.
2923         (vect_analyze_operations): Split into vect_analyze_loop_operations
2924         and ...
2925         (vect_analyze_stmt): ... new function.
2926         (new_stmt_vec_info): Use new names.
2927         (vect_is_simple_use): Use new names and fix comment.
2928         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2929         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2930
2931 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2932
2933         PR target/39911
2934         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2935         and integer modes for x87 operands.  Do not ICE for unsupported size,
2936         generate error instead.  Generate error for unsupported operand types.
2937         ['z']: Do not handle HImode memory operands specially.  Warning
2938         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2939         types.  Do not ICE for unsupported size, generate error instead.
2940         (output_387_binary_op): Use %Z to output operands.
2941         (output_fp_compare): Ditto.
2942         (output_387_reg_move): Ditto.
2943
2944 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2945
2946         PR c++/35652
2947         Revert:
2948
2949         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2950
2951         * builtins.c (c_strlen): Do not warn here.
2952         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2953         * c-common.c (pointer_int_sum): Take an explicit location.
2954         Warn about offsets out of bounds.
2955         * c-common.h (pointer_int_sum): Adjust declaration.
2956
2957 2009-04-27  Ian Lance Taylor  <iant@google.com>
2958
2959         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2960         names to symkind.
2961         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2962         * df-core.c (df_set_flags): Change return type to int.  Change
2963         type of old_flags to int.
2964         (df_clear_flags): Likewise.
2965         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2966         (df_get_conditional_uses): Likewise.
2967         * df.h (df_set_flags, df_clear_flags): Update declarations.
2968         * dwarf2out.c (struct indirect_string_node): Change type of form
2969         field to enum dwarf_form.
2970         (AT_string_form): Change return type to enum dwarf_form.
2971         * fixed-value.c (fixed_compare): Add cast to enum type.
2972         * fwprop.c (update_df): Change 0 to VOIDmode.
2973         * gensupport.c: Change 0 to UNKNOWN.
2974         * gimple.h (gimple_cond_code): Add cast to enum type.
2975         * haifa-sched.c (reemit_notes): Add cast to enum type.
2976         * hooks.c (hook_int_void_no_regs): Remove function.
2977         * hooks.h (hook_int_void_no_regs): Remove declaration.
2978         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2979         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2980         * real.c (real_arithmetic): Add cast to enum type.
2981         (real_compare): Likewise.
2982         * target.h (struct gcc_target): Change return type of
2983         branch_target_register_class to enum reg_class.
2984         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2985         default_branch_target_register_class.
2986         * targhooks.c (default_branch_target_register_class): New function.
2987         * targhooks.h (default_branch_target_register_class): Declare.
2988         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2989         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2990         cast to int.
2991         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2992         ERROR_MARK.
2993         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2994         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2995         * tree-vect-stmts.c (supportable_widening_operation): Don't
2996         initialize icode1 and icode2.
2997         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2998         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2999         and to STD_C89.
3000         (cmn_err_flag_specs): Change 0 to STD_C89.
3001         (cmn_err_char_table): Likewise.
3002         * config/arm/arm.c (get_arm_condition_code): Change type of code
3003         to enum arm_cond_code.
3004         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3005         (IWMMXT_BUILTIN2): Likewise.
3006         (neon_builtin_type_bits): Don't define typedef.
3007         (neon_builtin_datum): Change type of bits field to int.
3008         (arm_expand_neon_args): Add cast to enum type.
3009         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3010         TLS_MODEL_NONE.
3011         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3012         casts to enum type.
3013         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3014         MIPS_FP_COND_f.
3015         * config/mips/mips.md (jal_macro): Return enum constant.
3016         (single_insn): Likewise.
3017         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3018         CODE_FOR_nothing.
3019         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3020         casts to enum type.
3021         * config/s390/s390.c (s390_tune_flags): Change type to int.
3022         (s390_arch_flags): Likewise.
3023         (s390_handle_arch_option): Change flags field of struct pta to int.
3024         * config/s390/s390.h (s390_tune_flags): Update declaration.
3025         (s390_arch_flags): Likewise.
3026         * config/sh/sh.c (prepare_move_operands): Compare
3027         tls_symbolic_operand result with enum constant.
3028         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3029         (sh_expand_prologue): Add cast to enum type.
3030         (sh_expand_epilogue): Likewise.
3031         (tls_symbolic_operand): Change return type to enum tls_model.
3032         (fpscr_set_from_mem): Add cast to enum type.
3033         (legitimize_pic_address): Compare tls_symbolic_operand result with
3034         enum constant.
3035         (sh_target_reg_class): Change return type to enum reg_class.
3036         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3037         PROCESSOR_xxx.
3038         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3039         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3040         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3041         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3042         (delayed_branch, tls_call_delay): Likewise.
3043         (eligible_for_sibcall_delay): Likewise.
3044         (eligible_for_return_delay): Likewise. 
3045         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3046         (spu_expand_builtin_1): Likewise.
3047
3048         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3049         for all types of conversions.
3050         (output_init_element): Issue -Wc++-compat warning if needed when
3051         initializing a bitfield with enum type.
3052         * c-parser.c (c_parser_expression): Set original_type to
3053         original_type of right hand operand of comman operator.
3054
3055 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3056
3057         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3058         grammar nits.
3059         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3060         * doc/cpp.texi (Standard Predefined Macros)
3061         (Implementation-defined behavior): Likewise.
3062         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3063         * doc/gimple.texi (GIMPLE Exception Handling)
3064         (@code{GIMPLE_ASSIGN}): Likewise.
3065         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3066         * doc/invoke.texi (Warning Options, Optimize Options)
3067         (AVR Options, Darwin Options): Likewise.
3068         (Optimize Options): Reformulate -fwhole-program description.
3069         * doc/loop.texi (Lambda): Likewise.
3070         * doc/md.texi (Output Template, Define Constraints)
3071         (Standard Names, Insn Splitting): Likewise.
3072         * doc/options.texi (Option properties): Likewise.
3073         * doc/passes.texi (Tree-SSA passes): Likewise.
3074         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3075         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3076         (File Names and DBX): Likewise.
3077         * doc/trouble.texi (Incompatibilities): Likewise.
3078
3079 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3080
3081         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3082         instruction is correct.
3083
3084 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3085
3086         Allow non-constant arguments to conversion intrinsics.
3087         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3088         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3089         * spu.c (print_operand): Handle 'v' and 'w'.
3090         (exp2_immediate_p, spu_gen_exp2): Define.
3091         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3092         spu_convtf_1): Update parameter descriptions.
3093         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3094         * constraints.md ('v', 'w'): New.
3095         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3096         Remove.
3097         (i2f, I2F): New define_mode_attr.
3098         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3099         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3100         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3101         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3102         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3103         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3104         patterns for combine.
3105
3106 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3107
3108         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3109         (cprop, hoist, pre, store_motion): New debug counters.
3110         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3111         is not an RTL pass anymore.
3112         (pass_profiling): Remove extern decl for pass removed in 2005.
3113         (pass_gcse, pass_jump_bypass): Remove.
3114         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3115         to 0 for clean state.
3116         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3117         * cse.c (gate_handle_cse_after_global_opts,
3118         rest_of_handle_cse_after_global_opts): New functions.
3119         (pass_cse_after_global_opts): New pass, does local CSE.
3120         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3121         (TV_CPROP): New timevar.
3122         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3123         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3124         (gcse_main, recompute_all_luids): Remove.
3125         (compute_hash_table_work): Call max_reg_num instead of reading
3126         max_gcse_regno.
3127         (cprop_jump): Don't set run_jump_opt_after_gcse.
3128         (constprop_register): Always allow to alter jumps.
3129         (cprop_insn): Likewise.
3130         (do_local_cprop): Likewise.
3131         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3132         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3133         (find_implicit_sets): Add note about missed optimization opportunity.
3134         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3135         pass_rtl_cprop execute function.
3136         Don't bother tracking the pass number, each pass gets its own dumpfile
3137         now anyway.
3138         Always allow to alter jumpsand bypass jumps.
3139         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3140         will just find no suitable set.
3141         (pre_edge_insert): Fix dumping, this function is for PRE only.
3142         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3143         pass_rtl_pre execute function.
3144         (hoist_code): Return non-zero if something changed.  Keep track of
3145         substitutions and insertions for statistics gathering similar to PRE.
3146         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3147         called from the pass_rtl_hoist execute function.  Show pass statistics.
3148         (compute_store_table): Use max_reg_num directly instead of using the
3149         formerly global max_gcse_regno.
3150         (build_store_vectors): Likewise.
3151         (replace_store_insn): Fix dumping.
3152         (store_motion): Rename to ...
3153         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3154         pass, called from the pass_rtl_store_motion execute function.  Keep
3155         track of substitutions and insertions for statistics gathering similar
3156         to PRE.
3157         (bypass_jumps): Remove, fold interesting bits into ...
3158         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3159         from the pass_rtl_cprop execute function.
3160         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3161         pass_jump_bypass): Remove.
3162         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3163         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3164         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3165         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3166         (gate_rtl_store_motion, execute_rtl_store_motion,
3167         pass_rtl_store_motion): New.
3168         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3169         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3170         * passes.c (init_optimization_passes): Remove pass_gcse and
3171         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3172         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3173         instead of pass_jump_bypass.
3174
3175 2009-04-27  Richard Guenther  <rguenther@suse.de>
3176
3177         PR middle-end/39928
3178         * gimplify.c (gimplify_expr): If we are required to create
3179         a temporary make sure it ends up as register.
3180
3181 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3182
3183         PR target/39903
3184         * config/i386/i386.c (construct_container): Don't call
3185         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3186         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3187
3188 2009-04-27  Michael Matz  <matz@suse.de>
3189
3190         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3191         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3192         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3193         (dump_replaceable_exprs): Take a bitmap.
3194         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3195         array.
3196         (expand_gimple_basic_block): Likewise.
3197         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3198         replaceable_expressions member a bitmap.
3199         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3200         (mark_replaceable): Likewise.
3201         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3202         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3203
3204 2009-04-27  Richard Guenther  <rguenther@suse.de>
3205
3206         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3207         (verify_stmts): Dispatch to gimple/type verification code.
3208         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3209         issue with call argument types.
3210
3211 2009-04-27  Michael Matz  <matz@suse.de>
3212
3213         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3214         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3215         to above.
3216
3217 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3218             Eric Botcazou  <ebotcazou@adacore.com>
3219
3220         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3221         a label's basic block.
3222         (mark_target_live_regs): Tidy and rework obsolete comments.
3223         Change back DF problem to LIVE.  If a label starts a basic block,
3224         assume that all registers that used to be live then still are.
3225         (init_resource_info): If a label starts a basic block, set its
3226         BLOCK_FOR_INSN accordingly.
3227         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3228
3229 2009-04-27  Richard Guenther  <rguenther@suse.de>
3230
3231         * tree-flow-inline.h (function_ann): Remove.
3232         (get_function_ann): Likewise.
3233         * tree-dfa.c (create_function_ann): Remove.
3234         * tree-flow.h (struct static_var_ann_d): Remove.
3235         (struct function_ann_d): Likewise.
3236         (union tree_ann_d): Remove fdecl member.
3237         (function_ann_t): Remove.
3238         (function_ann, get_function_ann, create_function_ann): Remove
3239         declarations.
3240
3241 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3242
3243         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3244
3245 2009-04-27  Jan Hubicka  <jh@suse.cz>
3246
3247         * ipa-pure-const.c (struct funct_state_d): New fields
3248         state_previously_known, looping_previously_known; remove
3249         state_set_in_source.
3250         (analyze_function): Use new fields.
3251         (propagate): Avoid assumption that state_set_in_source imply
3252         nonlooping.
3253
3254         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3255         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3256         * cfgloop.h (finite_loop_p): Declare.
3257
3258 2009-04-26  Michael Matz  <matz@suse.de>
3259
3260         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3261
3262 2009-04-26  Michael Matz  <matz@suse.de>
3263
3264         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3265         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3266         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3267         pass_mark_used_blocks): Remove.
3268         * tree-optimize.c (pass_free_datastructures,
3269         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3270         * passes.c (init_optimization_passes): Don't call
3271         pass_mark_used_blocks, remove dead code.
3272
3273 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3274
3275         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3276         * tree-ssa-live.h (register_ssa_partition): Likewise.
3277
3278 2009-04-26  Michael Matz  <matz@suse.de>
3279
3280         Expand from SSA.
3281         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3282         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3283         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3284         SSA names. 
3285         (compare_pairs): Swap cost comparison.
3286         (coalesce_ssa_name): Don't use change_partition_var.
3287         * tree-nrv.c (struct nrv_data): Add modified member.
3288         (finalize_nrv_r): Set it.
3289         (tree_nrv): Use it to update statements.
3290         (pass_nrv): Require PROP_ssa.
3291         * tree-mudflap.c (mf_decl_cache_locals,
3292         mf_build_check_statement_for): Use make_rename_temp.
3293         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3294         * alias.c (find_base_decl): Handle SSA names.
3295         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3296         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3297         * rtl.h (set_reg_attrs_for_parm): Declare.
3298         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3299         to "optimized", remove unused locals at finish.
3300         (execute_free_datastructures): Make global, call
3301         delete_tree_cfg_annotations.
3302         (execute_free_cfg_annotations): Don't call
3303         delete_tree_cfg_annotations.
3304
3305         * ssaexpand.h: New file.
3306         * expr.c (toplevel): Include ssaexpand.h.
3307         (expand_assignment): Handle SSA names the same as register variables.
3308         (expand_expr_real_1): Expand SSA names.
3309         * cfgexpand.c (toplevel): Include ssaexpand.h.
3310         (SA): New global variable.
3311         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3312         (SSAVAR): New macro.
3313         (set_rtl): New helper function.
3314         (add_stack_var): Deal with SSA names, use set_rtl.
3315         (expand_one_stack_var_at): Likewise.
3316         (expand_one_stack_var): Deal with SSA names.
3317         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3318         before unique numbers.
3319         (expand_stack_vars): Use set_rtl.
3320         (expand_one_var): Accept SSA names, add asserts for them, feed them
3321         to above subroutines.
3322         (expand_used_vars): Expand all partitions (without default defs),
3323         then only the local decls (ignoring those expanded already).
3324         (expand_gimple_cond): Remove edges when jumpif() expands an
3325         unconditional jump.
3326         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3327         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3328         SSA name.
3329         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3330         members of SA; deal with PARM_DECL partitions here; expand
3331         all PHI nodes, free tree datastructures and SA.  Commit instructions
3332         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3333         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3334         info and statements at start, collect garbage at finish.
3335         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3336         (VAR_ANN_PARTITION) Remove.
3337         (change_partition_var): Don't declare.
3338         (partition_to_var): Always return SSA names.
3339         (var_to_partition): Only accept SSA names.
3340         (register_ssa_partition): Only check argument.
3341         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3342         member.
3343         (delete_var_map): Don't free it.
3344         (var_union): Only accept SSA names, simplify.
3345         (partition_view_init): Mark only useful SSA names as used.
3346         (partition_view_fini): Only deal with SSA names.
3347         (change_partition_var): Remove.
3348         (dump_var_map): Use ssa_name instead of partition_to_var member.
3349         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3350         basic blocks.
3351         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3352         (struct _elim_graph): New member const_dests; nodes member vector of
3353         ints.
3354         (set_location_for_edge): New static helper.
3355         (create_temp): Remove.
3356         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3357         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3358         (new_elim_graph): Allocate const_dests member.
3359         (clean_elim_graph): Truncate const_dests member.
3360         (delete_elim_graph): Free const_dests member.
3361         (elim_graph_size): Adapt to new type of nodes member.
3362         (elim_graph_add_node): Likewise.
3363         (eliminate_name): Likewise.
3364         (eliminate_build): Don't take basic block argument, deal only with
3365         partition numbers, not variables.
3366         (get_temp_reg): New static helper.
3367         (elim_create): Use it, deal with RTL temporaries instead of trees.
3368         (eliminate_phi): Adjust all calls to new signature.
3369         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3370         (rewrite_trees): Only do checking.
3371         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3372         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3373         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3374         contains_tree_r, MAX_STMTS_IN_LATCH,
3375         process_single_block_loop_latch, analyze_edges_for_bb,
3376         perform_edge_inserts): Remove.
3377         (expand_phi_nodes): New global function.
3378         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3379         functions, initialize new parameter, remember partitions having a
3380         default def.
3381         (finish_out_of_ssa): New global function.
3382         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3383         don't reset in_ssa_p here, don't disable TER when mudflap.
3384         (pass_del_ssa): Remove.
3385         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3386         partition members.
3387         (execute_free_datastructures): Declare.
3388         * Makefile.in (SSAEXPAND_H): New variable.
3389         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3390         * basic-block.h (commit_one_edge_insertion): Declare.
3391         * passes.c (init_optimization_passes): Move pass_nrv and
3392         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3393         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3394         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3395         (redirect_branch_edge): Deal with super block when expanding, split
3396         out jump patching itself into ...
3397         (patch_jump_insn): ... here, new static helper.
3398
3399 2009-04-26  Michael Matz  <matz@suse.de>
3400
3401         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3402         beyond num_ssa_names.
3403         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3404         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3405
3406 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3407
3408         PR inline-asm/39543
3409         * fwprop.c (forward_propagate_asm): New function.
3410         (forward_propagate_and_simplify): Propagate also into __asm, if it
3411         doesn't increase the number of referenced registers.
3412
3413         PR c/39889
3414         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3415
3416 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3417
3418         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3419         note_nonlocal_vla_type for nonlocal VLAs.
3420         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3421         contains_remapped_vars, remap_vla_decls): New functions.
3422         (convert_nonlocal_reference_stmt): If not optimizing, call
3423         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3424         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3425         if it wasn't found in var_map.
3426         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3427         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3428         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3429         declare_vars.
3430         * gimplify.c (nonlocal_vlas): New variable.
3431         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3432         referenced VLAs.
3433         (gimplify_body): Create and destroy nonlocal_vlas.
3434
3435         * dwarf2out.c (loc_descr_plus_const): New function.
3436         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3437         mem_loc_descriptor, loc_descriptor_from_tree_1,
3438         descr_info_loc, gen_variable_die): Use it.
3439
3440         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3441         !TREE_STATIC VAR_DECLs.
3442         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3443         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3444         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3445         DECL_BY_REFERENCE is valid.
3446         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3447         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3448         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3449         Copy DECL_BY_REFERENCE.
3450         (struct nesting_copy_body_data): New type.
3451         (nesting_copy_decl): New function.
3452         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3453         if they have variable length.
3454
3455 2009-04-26  Michael Matz  <matz@suse.de>
3456
3457         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3458         mark new temporaries for renaming.
3459
3460 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3461
3462         PR c/39581
3463         * c-decl.c (global_bindings_p): Return negative value.
3464         (c_variable_size): New.  Based on variable_size from
3465         stor-layout.c.
3466         (grokdeclarator): Call c_variable_size not variable_size.
3467
3468 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3469
3470         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3471
3472 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3473
3474         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3475         Redefine it to just use mingw/include.
3476         (ASM_SPEC): Rules for -m32 and -m64.
3477         (LINK_SPEC): Use Likewise.
3478         (SPEC_32): New define.
3479         (SPEC_64): Likewise.
3480         (SUB_LINK_SPEC): Likewise.
3481         (MULTILIB_DEFAULTS): New define.
3482         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3483         Add multilib options.
3484         (MULTILIB_DIRNAMES): Likewise.
3485         (MULTILIB_OSDIRNAMES): Likewise.
3486         (LIBGCC): Likewise.
3487         (INSTALL_LIBGCC): Likewise.
3488
3489 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3490
3491         PR c/39556
3492         * c-tree.h (enum c_inline_static_type): New.
3493         (record_inline_static): Declare.
3494         * c-decl.c (struct c_inline_static, c_inline_statics,
3495         record_inline_static, check_inline_statics): New.
3496         (pop_file_scope): Call check_inline_statics.
3497         (start_decl): Call record_inline_static instead of pedwarning
3498         directly for static in inline function.
3499         * c-typeck.c (build_external_ref): Call record_inline_static
3500         instead of pedwarning directly for static referenced in inline
3501         function.
3502
3503 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3504
3505         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3506         not new but only being rescanned.
3507         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3508         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3509         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3510         record_set_info, compute_set, grealloc): Remove.
3511         (recompute_all_luids): New function.
3512         (gcse_main): Don't compute sets, and don't do related memory
3513         allocations/free-ing.  If something changed before the end of the
3514         pass, update LUIDs using recompute_all_luids.
3515         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3516         (free_gcse_mem): Don't free it either.
3517         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3518         Use the df insn LUIDs.
3519         (load_killed_in_block): Likewise.
3520         (compute_hash_table_work): Don't compute reg_set_in_block.
3521         (compute_transp): Use DF_REG_DEF_CHAINs.
3522         (local_cprop_pass): Don't use compute_sets and related functions.
3523         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3524         Use get_max_uid() instead of max_cuid.
3525         (insert_insn_end_basic_block, pre_insert_copy_insn,
3526         update_ld_motion_stores): Don't try to
3527         keep reg_set tables up to date.
3528         (pre_insert_copies): Use df insn LUIDs.
3529         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3530         (reg_set_info): Don't use extra bitmap argument.
3531         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3532         information to compute regs_set_in_block.
3533         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3534         (bypass_jumps): Don't use compute_sets and friends.
3535
3536 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3537
3538         PR testsuite/39710
3539         * opts.c (undocumented_msg): Do not leave blank even with
3540         ENABLE_CHECKING.
3541
3542 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3543
3544         * c-decl.c (build_enumerator): Allow values folding to integer
3545         constants but not integer constant expressions with a pedwarn if
3546         pedantic.
3547
3548 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3549
3550         PR c/39582
3551         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3552         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3553         type is an integer constant.
3554
3555 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3556
3557         PR target/39897
3558         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3559         HImode operands.
3560
3561 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3562
3563         PR c/39564
3564         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3565         with variably modified return type and no storage class
3566         specifiers, except for the case of nested functions.  Distinguish
3567         extern declarations of functions with variably modified return
3568         types from those of objects with variably modified types.
3569
3570 2009-04-25  Jan Hubicka  <jh@suse.cz>
3571
3572         * tree.c (list_equal_p): New function.
3573         * tree.h (list_equal_p): Declare.
3574         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3575         basic_block_def, basic_block, const_basic_block): New.
3576         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3577         (redirect_eh_edge): New function.
3578         (make_eh_edge_update_phi): EH edges are not abnormal.
3579         * except.c: Include tree-flow.h.
3580         (list_match): New function.
3581         (eh_region_replaceable_by_p): New function.
3582         (replace_region): New function.
3583         (hash_type_list): New function.
3584         (hash_eh_region): New function.
3585         (eh_regions_equal_p): New function.
3586         (merge_peers): New function.
3587         (remove_unreachable_regions): Verify EH tree when checking;
3588         merge peers.
3589         (copy_eh_region_1): New function.
3590         (copy_eh_region): New function.
3591         (push_reachable_handler): New function.
3592         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3593         regions without label but with live RESX.
3594         * except.h (redirect_eh_edge_to_label): New.
3595         * tree-flow.h (redirect_eh_edge): New.
3596         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3597         basic_block_def, basic_block, const_basic_block): Remove.
3598         * Makefile.in (except.o): Add dependency on tree-flow.h
3599         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3600         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3601         Remove.
3602
3603 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3604
3605         PR bootstrap/39645
3606         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3607         on the destination of memcpy.
3608
3609 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3610
3611         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3612         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3613         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3614
3615 2009-04-25  Jan Hubicka  <jh@suse.cz>
3616
3617         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3618         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3619         to be reached by different label than left.
3620         (update_eh_edges): Update comment; remove edge_to_remove if possible
3621         and return true if suceeded.
3622         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3623         (cleanup_eh): Compute sharing map.
3624         * except.c (remove_eh_handler_and_replace): Add argument if we should
3625         update regions.
3626         (remove_unreachable_regions): Update for label sharing.
3627         (label_to_region_map): Likewise.
3628         (get_next_region_sharing_label): New function.
3629         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3630         prev_try pointers.
3631         (remove_eh_handler): Update.
3632         (remove_eh_region_and_replace_by_outer_of): New function.
3633         * except.h (struct eh_region): Add next_region_sharing_label.
3634         (remove_eh_region_and_replace_by_outer_of,
3635         get_next_region_sharing_label): Declare.
3636         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3637
3638 2009-04-25  Jan Hubicka  <jh@suse.cz>
3639
3640         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3641         insert code even if they are not critical.
3642
3643 2009-04-25  Jan Hubicka  <jh@suse.cz>
3644
3645         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3646         (gimple_can_remove_branch_p): EH edges won't remove branch by
3647         redirection.
3648         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3649         updating of non-abnormal EH edges.
3650         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3651         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3652         (split_critical_edges): Split also edges where emitting code on them
3653         will lead to splitting later.
3654
3655 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3656             H.J. Lu  <hongjiu.lu@intel.com>
3657
3658         PR target/39590
3659         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3660         the configured assembler supports fildq and fistpq mnemonics.
3661         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3662         * configure: Regenerated.
3663         * config.in: Ditto.
3664
3665         * config/i386/i386.c (print_operand): Handle 'Z'.
3666         ['z']: Remove handling of special fild/fist suffixes.
3667         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3668         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3669         suffix of fild insn.
3670         (*floatsi<mode>2_vector_mixed): Ditto.
3671         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3672         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3673         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3674         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3675         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3676
3677 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3678  
3679         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3680         the source of a set operation.
3681
3682 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3683
3684         * target.h (struct gcc_target): Add case_values_threshold field.
3685         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3686         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3687         * targhooks.c (default_case_values_threshold): New function.
3688         * targhooks.h (default_case_values_threshold): Declare function.
3689         * stmt.c (expand_case): Use case_values_threshold target hook.
3690         * expr.h (case_values_threshold): Remove declartation.
3691         * expr.c (case_values_threshold): Remove function.
3692         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3693
3694         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3695         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3696         (avr_case_values_threshold): Declare as static.
3697         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3698
3699         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3700         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3701         (mn10300_case_values_threshold): New function.
3702
3703 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3704
3705         * ira.c (setup_cover_and_important_classes): Add enum cast.
3706
3707 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3708
3709         * genpreds.c (write_enum_constraint_num): Output definition of
3710         CONSTRAINT_NUM_DEFINED_P macro.
3711         * ira.c (setup_cover_and_important_classes): Use
3712         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3713         
3714 2009-04-24  DJ Delorie  <dj@redhat.com>
3715
3716         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3717         __SH2A_SINGLE_ONLY__ also.
3718
3719 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3720
3721         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3722         (movdf_internal): Ditto.
3723         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3724         SFmode and DFmode constants.
3725         (ia64_print_operand): Add 'G' format for printing
3726         floating point constants.
3727
3728 2009-04-24  Richard Guenther  <rguenther@suse.de>
3729
3730         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3731         from unsigned additions.
3732
3733 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3734
3735         * c-typeck.c (set_init_index): Allow array designators that are
3736         not integer constant expressions with a pedwarn if pedantic.
3737
3738 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3739
3740         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3741         zero if no overlap in nonzero bits between the operands.
3742
3743 2009-04-24  Ian Lance Taylor  <iant@google.com>
3744
3745         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3746         (record_dead_and_set_regs): Likewise.
3747         * df.h (struct df_mw_hardreg): Change flags field to int.
3748         (struct df_base_ref): Likewise.
3749         (struct df): Change changeable_flags field to int.
3750         * df-scan.c (df_defs_record): Change clobber_flags to int.
3751         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3752         constants rather than #define macros.
3753         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3754         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3755         (enum dwarf_calling_convention): Likewise.
3756         (enum dwarf_line_number_x_ops): Likewise.
3757         (enum dwarf_call_frame_info): Likewise.
3758         (enum dwarf_source_language): Likewise.
3759         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3760         (add_calling_convention_attribute): Likewise.
3761         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3762         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3763         * genrecog.c (maybe_both_true_2): Change c to int.
3764         (write_switch): Likewise.  Add cast to enum type.
3765         * gimplify.c (gimplify_omp_for): Handle return values from
3766         gimplify_expr using MIN rather than bitwise or.
3767         (gimplify_expr): Add cast to enum type.
3768         * ipa-prop.c (update_jump_functions_after_inlining): Change
3769         IPA_BOTTOM to IPA_JF_UNKNOWN.
3770         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3771         Add casts to enum type.
3772         (setup_cover_and_important_classes): Change cl to int.  Add casts
3773         to enum type.
3774         (setup_class_translate): Change cl and mode to int.
3775         (ira_init_once): Change mode to int.
3776         (free_register_move_costs): Likewise.
3777         (setup_prohibited_mode_move_regs): Add casts to enum type.
3778         * langhooks.c (add_builtin_function_common): Rework assertion that
3779         value fits bitfield.
3780         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3781         * omega.c (omega_do_elimination): Avoid math on enum types.
3782         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3783         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3784         int local to handle integral_argment value.
3785         * regmove.c (try_auto_increment): Change PUT_MODE to
3786         PUT_REG_NOTE_KIND.
3787         * reload.c (push_secondary_reload): Add casts to enum type.
3788         (secondary_reload_class, find_valid_class): Likewise.
3789         * reload1.c (emit_input_reload_insns): Likewise.
3790         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3791         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3792         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3793         constant.
3794         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3795         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3796         enum type.
3797         (expand_complex_libcall): Add casts to enum type.
3798         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3799         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3800         with ERROR_MARK, not NUM_TREE_CODES.
3801         (vect_create_epilog_for_reduction): Likewise.
3802         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3803         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3804         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3805         enum machine_mode.
3806         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3807         vect_unused_in_loop.  Change 0 to loop_vect.
3808         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3809         * var-tracking.c (get_init_value): Change return type to enum
3810         var_init_status.
3811         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3812         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3813         arm_fp_model.
3814         (arm_override_options): Add casts to enum type.
3815         (arm_emit_tls_decoration): Likewise.
3816         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3817         to enum type.
3818         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3819         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3820         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3821         enum type.
3822         * config/s390/s390.c (code_for_builtin_64): Change to array of
3823         enum insn_code.
3824         (code_for_builtin_31): Likewise.
3825         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3826         const *.
3827         * config/sparc/sparc.c (sparc_override_options): Change value
3828         field in struct code_model to enum cmodel.  In initializer change
3829         0 to NULL and add cast to enum type.
3830
3831         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3832         Change all callers.  Issue a -Wc++-compat warning using
3833         lhs_origtype if necessary.
3834         (convert_for_assignment): Issue -Wc++-compat warnings about
3835         invalid conversions to enum type on assignment.
3836         * c-common.h (build_modify_expr): Update declaration.
3837
3838 2009-04-24  Nick Clifton  <nickc@redhat.com>
3839
3840         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3841         (function_arg_advance): Likewise.
3842         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3843         5th alternative.
3844
3845 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3846
3847         * config/s390/constraints.md ('I', 'J'): Fix condition.
3848
3849 2009-04-24  Diego Novillo  <dnovillo@google.com>
3850
3851         * gengtype-parse.c (parse_error): Add newline after message.
3852
3853 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3854
3855         * config/i386/sse.md (avxmodesuffixs): Removed.
3856         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3857         (*avx_pinsr<ssevecsize>): This.
3858
3859 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3860
3861         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3862         follow chains of regs with a single definition, and allow expressions
3863         that are function_invariant_p.
3864         (simple_rhs_p): Allow expressions that are function_invariant_p.
3865
3866 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3867
3868         PR middle-end/39867
3869         * fold-const.c (fold_cond_expr_with_comparison): When folding
3870         > and >= to MAX, make sure the MAX uses the same type as the
3871         comparison's operands.
3872
3873 2009-04-24  Nick Clifton  <nickc@redhat.com>
3874
3875         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3876         addressing for DImode accesses.
3877         (frv_print_operand_address): Handle PLUS case.
3878         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3879
3880 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3881
3882         PR rtl-optimization/39794
3883         * alias.c (canon_true_dependence): Add x_addr argument.
3884         * rtl.h (canon_true_dependence): Adjust prototype.
3885         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3886         * cselib.c (cselib_invalidate_mem): Likewise.
3887         * gcse.c (compute_transp): Likewise.
3888         * dse.c (scan_reads_nospill): Likewise.
3889         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3890         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3891         canon_base_addr of the group, plus optional offset.
3892         (struct group_info): Rename canon_base_mem to
3893         canon_base_addr.
3894         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3895         canon_rtx of base_mem.
3896
3897 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3898
3899         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3900         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3901
3902 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3903
3904         * config/spu/spu-builtins.h: Delete file.
3905
3906         * config/spu/spu.h (enum spu_builtin_type): Move here from
3907         spu-builtins.h.
3908         (struct spu_builtin_description): Likewise.  Add GTY marker.
3909         Do not use enum spu_function_code or enum insn_code.
3910         (spu_builtins): Add extern declaration.
3911
3912         * config/spu/spu.c: Do not include "spu-builtins.h".
3913         (enum spu_function_code, enum spu_builtin_type_index,
3914         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3915         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3916         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3917         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3918         (spu_builtin_types): Make static.  Add GTY marker.
3919         (spu_builtins): Add extern declaration with GTY marker.
3920         Include "gt-spu.h".
3921
3922         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3923         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3924         Check programmatically whether all parameters are scalar.
3925
3926         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3927
3928 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3929
3930         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3931         assignment from the constructor either if the target is volatile.
3932
3933 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3934
3935         * config/arm/arm.md (insv): Do not share operands[0].
3936
3937 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3938
3939         * config/vxlib-tls.c (active_tls_threads): Delete.
3940         (delete_hook_installed): New.
3941         (tls_delete_hook): Don't delete the delete hook.
3942         (tls_destructor): Delete it here.
3943         (__gthread_set_specific): Adjust installing the delete hook.
3944         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3945         __gthread_leave_tsd_dtor_context.
3946
3947 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3948
3949         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3950
3951 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3952
3953         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3954         enum type.
3955         (alpha_rtx_costs): Ditto.
3956         (emit_unlikely_jump): Use add_reg_note.
3957         (emit_frame_store_1): Ditto.
3958         (alpha_expand_prologue): Ditto.
3959         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3960         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3961
3962 2009-04-23  Nick Clifton  <nickc@redhat.com>
3963
3964         * config/v850/v850.md (epilogue): Remove suppressed code.
3965         (return): Rename to return_simple and remove test of frame size.
3966         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3967         to gen_return_simple.
3968
3969 2009-04-22  Jing Yu  <jingyu@google.com>
3970
3971         PR testsuite/39781
3972         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3973
3974 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3975
3976         PR C/31499
3977         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3978         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3979         value is a VECTOR_CST, the element type is the element type of the
3980         vector.
3981
3982 2009-04-22  DJ Delorie  <dj@redhat.com>
3983
3984         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3985
3986 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3987
3988         * alias.c (find_base_term): Move around LO_SUM case, so that
3989         CONST falls through into PLUS/MINUS handling.
3990
3991         PR c/39855
3992         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3993         into 0, use omit_one_operand.
3994
3995 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3996
3997         * config/rs6000/linux-unwind.h (get_regs): Remove type
3998         puns. Change the type of `pc' to an array of unsigned ints and
3999         update all users.  Constify frame24.
4000
4001 2009-04-22  DJ Delorie  <dj@redhat.com>
4002
4003         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4004         declarations before code.
4005         (current_function_special_page_vector): Likewise.
4006         (m32c_expand_insv): Silence a warning.
4007
4008 2009-04-21  Taras Glek  <tglek@mozilla.com>
4009
4010         * alias.c: Update GTY annotations to new syntax.
4011         * basic-block.h: Likewise.
4012         * bitmap.h: Likewise.
4013         * c-common.h: Likewise.
4014         * c-decl.c: Likewise.
4015         * c-parser.c: Likewise.
4016         * c-pragma.c: Likewise.
4017         * c-tree.h: Likewise.
4018         * cfgloop.h: Likewise.
4019         * cgraph.h: Likewise.
4020         * config/alpha/alpha.c: Likewise.
4021         * config/arm/arm.h: Likewise.
4022         * config/avr/avr.h: Likewise.
4023         * config/bfin/bfin.c: Likewise.
4024         * config/cris/cris.c: Likewise.
4025         * config/darwin.c: Likewise.
4026         * config/frv/frv.c: Likewise.
4027         * config/i386/i386.c: Likewise.
4028         * config/i386/i386.h: Likewise.
4029         * config/i386/winnt.c: Likewise.
4030         * config/ia64/ia64.h: Likewise.
4031         * config/iq2000/iq2000.c: Likewise.
4032         * config/mips/mips.c: Likewise.
4033         * config/mmix/mmix.h: Likewise.
4034         * config/pa/pa.c: Likewise.
4035         * config/pa/pa.h: Likewise.
4036         * config/rs6000/rs6000.c: Likewise.
4037         * config/s390/s390.c: Likewise.
4038         * config/sparc/sparc.c: Likewise.
4039         * config/xtensa/xtensa.c: Likewise.
4040         * cselib.h: Likewise.
4041         * dbxout.c: Likewise.
4042         * dwarf2out.c: Likewise.
4043         * except.c: Likewise.
4044         * except.h: Likewise.
4045         * fixed-value.h: Likewise.
4046         * function.c: Likewise.
4047         * function.h: Likewise.
4048         * gimple.h: Likewise.
4049         * integrate.c: Likewise.
4050         * optabs.c: Likewise.
4051         * output.h: Likewise.
4052         * real.h: Likewise.
4053         * rtl.h: Likewise.
4054         * stringpool.c: Likewise.
4055         * tree-data-ref.c: Likewise.
4056         * tree-flow.h: Likewise.
4057         * tree-scalar-evolution.c: Likewise.
4058         * tree-ssa-address.c: Likewise.
4059         * tree-ssa-alias.h: Likewise.
4060         * tree-ssa-operands.h: Likewise.
4061         * tree.c: Likewise.
4062         * tree.h: Likewise.
4063         * varasm.c: Likewise.
4064         * varray.h: Likewise.
4065         * vec.h: Likewise.
4066         * coretypes.h: Do not define GTY macro if it is already defined.
4067         * doc/gty.texi: Update GTY documentation to new syntax.
4068         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4069         annotations on structs.
4070         * gengtype-parse.c: Likewise.
4071
4072 2009-04-22  Mark Heffernan  <meheff@google.com>
4073
4074         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4075
4076 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4077
4078         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4079         where appropriate.
4080
4081 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4082
4083         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4084         the same as a PLUS without a shift.  Increase the cost of a
4085         CONST_INT in MULT.
4086
4087 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4088
4089         * Makefile.in: Update dependencies.
4090         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4091         * errors.h: Remove bogus comment about compatibility.
4092         (warning): Update declaration.
4093         * genautomata.c: Update all calls to warning.
4094         * gimple.c: Do not include errors.h. Include toplev.h.
4095         * tree-ssa-structalias.c: Do not include errors.h.
4096         * omega.c: Likewise.
4097         * tree-ssa-reassoc.c: Likewise.
4098         * config/spu/spu-c.c: Likewise.
4099         * config/spu/t-spu-elf: Update dependencies.
4100
4101 2009-04-22  Richard Guenther  <rguenther@suse.de>
4102
4103         PR tree-optimization/39824
4104         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4105         make sure the types are compatible.
4106
4107 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4108
4109         PR c++/14875
4110         * c-common.c (c_parse_error): Take a token_flags parameter.
4111         Use token_type for the token type instead.
4112         Pass token_flags to cpp_type2name.
4113         * c-common.h (c_parse_error): Update declaration.
4114         * c-parser.c (c_parser_error): Pass 0 as token flags.
4115
4116 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4117
4118         PR rtl-optimization/39580
4119         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4120         
4121 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4122
4123         * function.c (expand_function_end): Do not emit a jump to the "naked"
4124         return label for fall-through returns.
4125         * except.c (sjlj_emit_function_exit): Always place the call to the
4126         unregister function at the location installed by expand_function_end.
4127
4128 2009-04-22  Richard Guenther  <rguenther@suse.de>
4129
4130         PR tree-optimization/39845
4131         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4132         (gen_inbound_check): Likewise.
4133
4134 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4135
4136         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4137         padding for PPC.
4138         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4139         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4140
4141 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4142
4143         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4144         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4145         shift counts to avoid out-of-bounds array accesses.
4146
4147 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4148
4149         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4150         (Pmode): Move above.
4151
4152 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4153
4154         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4155         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4156         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4157         * config/alpha/alpha.h: Ditto.
4158         * config/alpha/alpha.md: Ditto.
4159         * config/alpha/constraints.md: Ditto.
4160         * config/alpha/predicates.md: Ditto.
4161         
4162 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4163
4164         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4165         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4166         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4167         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4168         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4169         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4170         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4171         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4172         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4173         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4174         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4175         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4176         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4177         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4178         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4179         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4180         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4181         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4182         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4183         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4184         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4185         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4186         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4187         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4188         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4189         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4190         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4191
4192 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4193
4194         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4195         references from comments.
4196         * cfgbuild.c: (count_basic_blocks): Delete.
4197         (find_basic_blocks_1): Delete.
4198         (find_basic_blocks): Delete.
4199         * except.c (finish_eh_generation): Make static.  Move comment from
4200         except.h here.  Remove find_basic_blocks references from comments.
4201         * except.h (finish_eh_generation): Delete.
4202         * basic-block.h (find_basic_blocks): Delete.
4203         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4204
4205 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4206
4207         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4208         (sdbout_parms):  Likewise.
4209
4210 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4211
4212         * config/sh/sh.c (prepare_cbranch_operands): Use
4213         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4214         (expand_cbranchdi4): Likewise.
4215         (from_compare): Add cast to enum type.
4216         (expand_cbranchsi4): Use add_reg_note.
4217         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4218         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4219         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4220         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4221         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4222         instead of CODE_FOR_nothing.
4223         (cbranchdi4): Likewise.  Fix the order of arguments for
4224         gen_rtx_fmt_ee.
4225         (push_fpscr): Use add_reg_note.
4226         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4227         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4228         
4229 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4230
4231         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4232         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4233         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4234         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4235         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4236         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4237         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4238         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4239         config/alpha/x-vms, config/arc/t-arc,
4240         config/arm/README-interworking, config/arm/arm-c.c,
4241         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4242         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4243         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4244         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4245         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4246         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4247         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4248         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4249         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4250         config/cris/t-elfmulti, config/crx/t-crx,
4251         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4252         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4253         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4254         config/h8300/t-h8300, config/i386/athlon.md,
4255         config/i386/darwin-libgcc.10.4.ver,
4256         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4257         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4258         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4259         config/i386/t-linux64, config/i386/t-nwld,
4260         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4261         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4262         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4263         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4264         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4265         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4266         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4267         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4268         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4269         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4270         config/m68k/t-uclinux, config/mcore/t-mcore,
4271         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4272         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4273         config/mips/crtn.asm, config/mips/irix-crti.asm,
4274         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4275         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4276         config/mips/mips-fixed.md, config/mips/sb1.md,
4277         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4278         config/mips/t-iris6, config/mips/t-isa3264,
4279         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4280         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4281         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4282         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4283         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4284         config/mn10300/t-linux, config/mn10300/t-mn10300,
4285         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4286         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4287         config/picochip/libgccExtras/clzsi2.asm,
4288         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4289         config/rs6000/darwin-libgcc.10.4.ver,
4290         config/rs6000/darwin-libgcc.10.5.ver,
4291         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4292         config/rs6000/t-aix43, config/rs6000/t-aix52,
4293         config/rs6000/t-darwin, config/rs6000/t-fprules,
4294         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4295         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4296         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4297         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4298         config/rs6000/t-rtems, config/rs6000/t-spe,
4299         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4300         config/score/t-score-elf, config/sh/divcost-analysis,
4301         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4302         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4303         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4304         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4305         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4306         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4307         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4308         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4309         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4310         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4311         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4312         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4313         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4314         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4315         * config/h8300/genmova.sh: Include copyright and license notices
4316         in generated output.
4317         * config/h8300/mova.md: Regenerate.
4318         * doc/install.texi2html: Include word "Copyright" in copyright
4319         notice and use name "Free Software Foundation, Inc.".
4320         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4321         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4322         ChangeLog-2007, ChangeLog-2008: Correct dates.
4323
4324 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4325
4326         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4327         NE_EXPR operations as well.
4328         * c-parser.c (c_parser_condition): Do not set location information on
4329         the condition.
4330         (c_parser_conditional_expression): Likewise.
4331         (c_parser_binary_expression): Set location information on operators.
4332         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4333         TRUTH_NOT_EXPR has been folded.
4334         * fold-const.c (fold_truth_not_expr): Copy location information from
4335         the incoming expression to the outgoing one.
4336         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4337         recursive calls on the LHS of the operator but pass that of the
4338         operator to recursive calls on the RHS of the operator.  Set it
4339         on the COND_EXPR.
4340         (shortcut_cond_expr): Set the locus of the operator on the second
4341         COND_EXPR and that of the expression on the first in degenerate cases.
4342         Pass the locus of the expression to calls to shortcut_cond_r.
4343         Set the locus of the 'then' block on the associated jump, if any.
4344         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4345         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4346         expression to call to gimplify_boolean_expr.
4347
4348 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4349
4350         * config.gcc: Add additional configuration for
4351         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4352         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4353         (CPP_SPEC): Redefine for allowing -municode option.
4354         (STARTFILE_SPEC): Likewise.
4355         * config/i386/t-mingw-w64: New.
4356         * config/i386/mingw-w64.opt: New.
4357         (municode): Add new target option.
4358         * doc/invoke.texi (municode): Add documentation for new option.
4359
4360 2009-04-21  Ian Lance Taylor  <iant@google.com>
4361
4362         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4363         Correct test for number of arguments.
4364         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4365
4366 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4367
4368         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4369         argument of emit_library_call.
4370
4371 2009-04-21  Richard Guenther  <rguenther@suse.de>
4372
4373         PR middle-end/39829
4374         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4375         inside VIEW_CONVERT_EXPRs.
4376
4377 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4378
4379         * tree-switch-conversion.c (build_constructors): Split a long line.
4380         (constructor_contains_same_values_p): New function.
4381         (build_one_array): Create assigns of constants if possible, do not
4382         call mark_sym_for_renaming, call update_stmt.
4383         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4384         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4385         update_stmt.
4386         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4387         find_new_referenced_vars, call update_stmt.
4388         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4389         instead of calling make_rename_temp.  Do not call
4390         find_new_referenced_vars or mark_symbols_for_renaming, call
4391         update_stmt.
4392
4393 2009-04-21  Richard Guenther  <rguenther@suse.de>
4394
4395         PR tree-optimization/39827
4396         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4397         (tree_ssa_phiprop): Pass the correct array size.
4398
4399 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4400
4401         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4402
4403 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4404
4405         PR 16202
4406         * c-typeck.c (lvalue_p): Move declaration ...
4407         * c-common.h (lvalue_p): ... to here.
4408         * c-common.c (candidate_equal_p): New.
4409         (add_tlist): Use it.
4410         (merge_tlist): Use it.
4411         (warn_for_collisions_1): Likewise.
4412         (warning_candidate_p): Accept more candidates.
4413         (verify_tree): A warning candidate can be an expression. Use
4414         candidate_equal_p.
4415
4416 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4417
4418         PR target/5267
4419         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4420         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4421         options.  Remove -mcall-solaris documentation.
4422
4423 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4424
4425         PR c++/13358
4426         * doc/invoke.texi (-Wlong-long): Update description.
4427         * c-lex (interpret_integer): Only warn if there was no previous
4428         overflow and -Wlong-long is enabled.
4429         * c-decl.c (declspecs_add_type): Drop redundant flags.
4430         * c.opt (Wlong-long): Init to -1.
4431         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4432         and front-end warn_long_long. Wlong-long only depends on other
4433         flags if it is uninitialized.
4434         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4435         the same for CPP and FE.
4436         (restore_extension_diagnostics): Likewise.
4437
4438 2009-04-20  Ian Lance Taylor  <iant@google.com>
4439
4440         Fix enum conversions which are invalid in C++:
4441         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4442         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4443         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4444         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4445         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4446         (dbxout_parms): Likewise.
4447         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4448         (df_clear_flags): Likewise.
4449         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4450         top_flag parameter to int.
4451         (df_chain_create_bb_process_use): Likewise.
4452         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4453         Remove cast.
4454         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4455         (df_ref_create_structure, df_def_record_1): Likewise.
4456         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4457         (df_notes_rescan): Change 0 to VOIDmode in function call.
4458         (df_get_call_refs, df_insn_refs_collect): Likewise.
4459         (df_bb_regs_collect): Likewise.
4460         (df_entry_block_defs_collect): Likewise.
4461         (df_exit_block_uses_collect): Likewise.
4462         * df.h: Update declarations.
4463         * double-int.c (double_int_divmod): Add cast to enum type.
4464         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4465         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4466         (based_loc_descr): Likewise.
4467         (loc_descriptor_from_tree_1): Change first_op and second_op to
4468         enum dwarf_location_atom.  Add cast to enum type.
4469         * expmed.c (init_expmed): Change 0 to SET in function call.
4470         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4471         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4472         (do_store_flag): Likewise.
4473         * fixed-value.h (struct fixed_value): Change mode to enum
4474         machine_mode.
4475         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4476         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4477         function call.
4478         (insert_insn_decl, insert_decl, insert_state): Likewise.
4479         (automata_list_finish): Likewise.
4480         * genrecog.c (process_define_predicate): Add cast to enum type.
4481         * gensupport.c (init_predicate_table): Add cast to enum type.
4482         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4483         function call.
4484         (gimple_build_call_1, gimple_build_label): Likewise.
4485         (gimple_build_goto, gimple_build_asm_1): Likewise.
4486         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4487         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4488         (enum fallback): Rename from enum fallback_t.
4489         (fallback_t): Typedef as int.
4490         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4491         GSI_SAME_STMT in function call.
4492         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4493         enum type.
4494         (setup_reg_class_relations): Likewise.
4495         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4496         (setup_prohibited_class_mode_regs): Add cast to enum type.
4497         (setup_prohibited_mode_move_regs): Likewise.
4498         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4499         (record_address_regs): Change i to enum reg_class.
4500         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4501         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4502         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4503         (GET_MODE_2XWIDER_MODE): Likewise.
4504         (GET_CLASS_NARROWEST_MODE): Likewise.
4505         * omp-low.c (expand_omp_for): Add cast to enum type.
4506         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4507         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4508         * postreload.c (reload_cse_simplify_operands): Change rclass local
4509         to enum reg_class.
4510         * predict.c (combine_predictions_for_insn): Change best_predictor
4511         and predictor to enum br_predictor.
4512         (combine_predictions_for_bb): Likewise.
4513         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4514         use SET_PREDICT_EXPR_OUTCOME.
4515         * real.c (real_arithmetic): Change icode to code in function call.
4516         * reginfo.c (init_move_cost): Add casts to enum type.
4517         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4518         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4519         enum reg_class.
4520         * reload.c (find_valid_class): Add casts to enum type.
4521         (push_reload): Change 0 to NO_REGS in function call.
4522         (find_reloads): Change this_alternative to array of enum
4523         reg_class.  Remove some now-unnecessary casts.
4524         (make_memloc): Change 0 to VOIDmode in function call.
4525         * reload1.c (reload): Change 0 to VOIDmode in function call.
4526         (eliminate_regs_1, elimination_effects): Likewise.
4527         (eliminate_regs_in_insn): Likewise.
4528         (emit_input_reload_insns): Add cast to enum type.
4529         (delete_output_reload): Change 0 to VOIDmode in function call.
4530         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4531         to enum type in function call.
4532         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4533         (SET_PREDICT_EXPR_OUTCOME): Define.
4534         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4535         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4536         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4537         (dump_function): Likewise.
4538         * tree-dump.h: Update declarations.
4539         * tree-pass.h: Update declarations.
4540         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4541         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4542         enum type.
4543         (arm_rtx_costs_1): Correct parenthesization.
4544         (arm_rtx_costs): Add casts to enum type.
4545         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4546         (vfp_emit_fstmd): Use add_rg_note.
4547         (emit_multi_reg_push, emit_sfm): Likewise.
4548         (thumb_set_frame_pointer): Likewise.
4549         (arm_expand_prologue): Likewise.
4550         (arm_regno_class): Change return type to enum reg_class.
4551         (thumb1_expand_prologue): Use add_reg_note.
4552         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4553         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4554         in function call.
4555         * config/arm/gentune.sh: Add cast to enum type.
4556         * config/arm/arm-tune.md: Rebuild.
4557         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4558         (ix86_split_fp_branch, predict_jump): Likewise.
4559         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4560         insn_code to enum rtx_code.
4561         (ix86_builtin_vectorized_function): Add cast to enum type.
4562         * config/i386/i386.md (truncdfsf2): Change slot to enum
4563         ix86_stack_slot.
4564         (truncxf<mode>2, isinf<mode>2): Likewise.
4565         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4566         enum type.
4567         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4568         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4569         (insert_bundle_state): Change 1 to INSERT in function call.
4570         (ia64_add_bundle_selector_before): Likewise.
4571         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4572         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4573         (restore_stack_nonlocal): Likewise.
4574         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4575         function call.
4576         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4577         function call.
4578         (mips_rtx_costs): Likewise.
4579         (mips_override_options): Add casts to enum type.
4580         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4581         in function call.
4582         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4583         (store_reg, set_reg_plus_d): Likewise.
4584         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4585         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4586         cast to enum type.
4587         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4588         function call.
4589         (emit_unlikely_jump): Use add_reg_note.
4590         (rs6000_emit_allocate_stack): Likewise.
4591         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4592         (output_toc): Change 1 to INSERT in function call.
4593         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4594         (rs6000_initialize_trampoline): Likewise.
4595         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4596         function call.
4597         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4598         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4599         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4600         (save_gprs): Use add_reg_note.
4601         (s390_emit_prologue): Likewise.
4602         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4603         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4604         (sparc_fold_builtin): Add cast to enum type.
4605         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4606         enum insn_code.
4607         (spu_expand_prologue): Use add_reg_note.
4608         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4609
4610 2009-04-20  Ian Lance Taylor  <iant@google.com>
4611
4612         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4613         (c_parser_postfix_expression_after_primary): Get VEC for list of
4614         arguments.  Get original types of arguments.  Call
4615         build_function_call_vec.
4616         (cached_expr_list_1, cached_expr_list_2): New static variables.
4617         (c_parser_expr_list): Change return type to VEC *.  Add
4618         p_orig_types parameter.  Change all callers.
4619         (c_parser_release_expr): New static function.
4620         (c_parser_vec_to_tree_list): New static function.
4621         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4622         call build_function_call_vec.
4623         (build_function_call_vec): New function, based on old
4624         build_function_call.
4625         (convert_arguments): Remove nargs and argarray parameters.  Change
4626         values to a VEC.  Add origtypes parameter.
4627         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4628         (convert_for_assignment): Add origtype parameter.  Change all
4629         callers.  If warn_cxx_compat, check for conversion to an enum
4630         type when calling a function.
4631         (store_init_value): Add origtype parameter.  Change all callers.
4632         (digest_init): Likewise.
4633         (struct init_node): Add origtype field.
4634         (add_pending_init): Add origtype parameter.  Change all callers.
4635         (output_init_element): Likewise.
4636         (output_pending_init_elements): Pass origtype from init_node to
4637         output_init_element.
4638         (process_init_element): Pass origtype from c_expr to
4639         output_init_element.
4640         (c_finish_return): Add origtype parameter.  Change all callers.
4641         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4642         caller.
4643         (sync_resolve_params): Likewise.
4644         (sync_resolve_return): Change params to first_param.  Change caller.
4645         (resolve_overloaded_builtins): Change params to VEC *.  Change
4646         callers.  Save first parameter around call to build_function_call_vec.
4647         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4648         callers.  Call build_function_call_vec rather than
4649         build_function_call for cleanup.
4650         * c-tree.h: Update declarations.
4651         * c-common.h: Update declarations.
4652         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4653         params to first_param.
4654         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4655         params parameter from tree to void *.
4656         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4657         Change arglist parameter to have type void *, and to be a pointer
4658         to a VEC.
4659         * config/rs6000/rs6000-protos.h
4660         (altivec_resolve_overloaded_builtin): Update declaration.
4661         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4662         fnargs parameter to have type void *, and to be a pointer to a
4663         VEC.  Call build_function_call_vec instead of
4664         build_function_call.
4665         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4666
4667 2009-04-20  Joey Ye  <joey.ye@intel.com>
4668             Xuepeng Guo  <xuepeng.guo@intel.com>
4669             H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4672
4673         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4674         (IX86_LEA_PRIORITY): Likewise.
4675         (distance_non_agu_define): New function.
4676         (distance_agu_use): Likewise.
4677         (ix86_lea_for_add_ok): Likewise.
4678         (ix86_dep_by_shift_count): Likewise.
4679
4680         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4681         should split for LEA.
4682
4683         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4684         function.
4685         (ix86_dep_by_shift_count): Likewise.
4686
4687 2009-04-20  Richard Guenther  <rguenther@suse.de>
4688
4689         * expr.c (handled_component_p): Move ...
4690         * tree.h (handled_component_p): ... here.
4691         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4692         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4693         and REALPART_EXPR to be in one group.
4694
4695 2009-04-20  Richard Guenther  <rguenther@suse.de>
4696
4697         * basic-block.h (get_all_dominated_blocks): Declare.
4698         * dominance.c (get_all_dominated_blocks): New function.
4699         * tree-cfg.c (get_all_dominated_blocks): Remove.
4700         (remove_edge_and_dominated_blocks): Adjust.
4701         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4702         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4703         instead of recursing.
4704
4705 2009-04-20  Doug Kwan  <dougkwan@google.com>
4706
4707         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4708         (struct cgraph_node_set_def): New type.
4709         (cgraph_node_set) New type. Also declare vector functions.
4710         (struct cgraph_node_set_element_def): New type.
4711         (cgraph_node_set_element): Ditto.
4712         (cgraph_node_set_iterator): New iterator type.
4713         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4714         cgraph_node_set_remove, dump_cgraph_node_set,
4715         debug_cgraph_node_set): New prototypes.
4716         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4717         cgraph_node_set_size): New inlines.
4718         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4719         including cgraph.h.
4720         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4721         argument to function 'write_summary'.
4722         * ipa.c: Include ggc.h.
4723         (hash_cgraph_node_set_element,
4724         eq_cgraph_node_set_element, cgraph_node_set_new,
4725         cgraph_node_set_add, cgraph_node_set_remove,
4726         cgraph_node_set_find, dump_cgraph_node_set,
4727         debug_cgraph_node_set): New functions.
4728         * Makefile.in (ipa.o): Add dependency on GGC_H.
4729
4730 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4731
4732         PR tree-optimization/39675
4733         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4734         check of the return code of vect_schedule_slp. Check that
4735         stmt_vec_info still exists for the statement, before checking its
4736         vectorization type.
4737
4738 2009-04-20  Michael Matz  <matz@suse.de>
4739
4740         * Makefile.in (generated_files): Take out $(simple_generated_c).
4741
4742 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4743
4744         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4745         (UINTPTR_TYPE):  Likewise.
4746
4747 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4748
4749         PR c/37481
4750         * c-typeck.c (digest_init): Check for initializing an array with a
4751         string literal.
4752
4753 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4754
4755         PR c/19771
4756         * c-semantics.c (pop_stmt_list): Propagate
4757         STATEMENT_LIST_HAS_LABEL to parent statement list.
4758
4759 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4760
4761         * config/mips/mips.h (mips_tune_attr): New macro.
4762         * config/mips/mips.md (cpu): Use it.
4763
4764 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4765
4766         PR c/38243
4767         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4768         declaring a tag.
4769
4770 2009-04-19  Diego Novillo  <dnovillo@google.com>
4771
4772         * toplev.c (compile_file): Move call to coverage_finish ...
4773         * cgraphunit.c (ipa_passes): ... here.
4774         Call cgraph_process_new_functions.
4775         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4776         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4777
4778 2009-04-19  Jan Hubicka  <jh@suse.cz>
4779
4780         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4781         cfun.
4782         (dump_cgraph_node): Dump can throw external flag.
4783         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4784
4785 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4786
4787         PR c/32061
4788         PR c++/36954
4789         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4790         * common.opt (Wlogical-op): Move from here...
4791         * c.opt (Wlogical-op): ... to here.
4792         * c-typeck.c (parser_build_binary_op): Update call to
4793         warn_logical_operator.
4794         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4795         extra_warnings.
4796         * c-common.c (warn_logical_op): Update.
4797         * c-common.h (warn_logical_op): Update declaration.
4798
4799 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4800
4801         * tree.c (protected_set_expr_location): Fix formatting.
4802
4803 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4804
4805         PR c/27676
4806         * c-typeck.c (readonly_warning): new.
4807         (build_unary_op, build_modify_expr): Use readonly_warning for
4808         storing into something readonly but not const-qualified.
4809
4810 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4811
4812         PR c/22367
4813         * c-typeck.c (build_unary_op): Check for taking address of
4814         expression of type void.
4815
4816 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4817
4818         PR c/35210
4819         * c-typeck.c (build_function_call): Check for calling a function
4820         with qualified void return types.  Call require_complete_type when
4821         generating a trap.
4822
4823 2009-04-18  Jan Hubicka  <jh@suse.cz>
4824
4825         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4826         Set nothrow flag.
4827         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4828         can_throw_external flag.
4829         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4830         * ipa-pure-const.c (ignore_edge): New function.
4831         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4832         only over can_throw_external edges.
4833         (local_pure_const): Add nothrow flag.
4834         * ipa-utils.c (searchc): Add ignore_edge callback.
4835         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4836         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4837         (set_nothrow_function_flags): Update cgraph.
4838         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4839
4840 2009-04-18  Richard Guenther  <rguenther@suse.de>
4841
4842         PR middle-end/39804
4843         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4844         (fold_stmt): ... this and ...
4845         (fold_stmt_inplace): ... this.
4846         (fold_stmt_1): Fold references in calls and asms.
4847         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4848
4849 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4850
4851         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4852         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4853
4854 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4855
4856         * tree.c (function_args_count): Remove.
4857         * tree.h: Remove the prototype for function_args_count.
4858
4859 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4860
4861         * tree-iterator.c (expr_only): Remove.
4862         * tree.h: Remove the prototype for expr_only.
4863
4864 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4865
4866         * reginfo.c (cannot_change_mode_set_regs): Remove.
4867         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4868
4869 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4870
4871         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4872         whether operands 0 and 1 overlaps.
4873
4874 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4875
4876         PR middle-end/36902
4877         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4878         pointer. Use warning_at instead of warning.
4879         (search_for_addr_array): Likewise.
4880         (check_array_bounds): Likewise.
4881         (check_all_array_refs): Check that the incoming edge is not in the
4882         list of edges to be removed.
4883         (check_all_array_refs): Avoid the temporal pointer.
4884         (vrp_visit_cond_stmt): Fix typo.
4885         (simplify_switch_using_ranges): Handle the case where the switch
4886         index is an integer constant.
4887
4888 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4889
4890         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4891
4892 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4893
4894         * doc/extend.texi, doc/invoke.texi: Fix typos.
4895
4896 2009-04-17  Cary Coutant  <ccoutant@google.com>
4897
4898         * tree-flow-inline.h (get_lineno): Fix inverted test.
4899
4900 2009-04-17  Diego Novillo  <dnovillo@google.com>
4901
4902         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4903         assertion for AVAIL_OUT.
4904
4905 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4906
4907         PR target/38627
4908         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4909         * config/sh/linux-atomic.asm: Likewise.
4910
4911 2009-04-17  Diego Novillo  <dnovillo@google.com>
4912
4913         * except.c (debug_eh_tree): New.
4914         (struct eh_region, struct eh_status): Move ...
4915         * except.h: ... here.
4916         (add_type_for_runtime): Declare extern.
4917         (lookup_type_for_runtime): Likewise.
4918         (debug_eh_tree): Declare.
4919         * Makefile.in (GTFILES): List except.h before except.c
4920
4921 2009-04-17  Diego Novillo  <dnovillo@google.com>
4922
4923         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4924         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4925         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4926         (find_vars_r): ... here.
4927         * tree-flow.h (find_referenced_vars_in): Declare.
4928         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4929         that AVAIL_OUT exists for BLOCK.
4930         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4931         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4932         (tree-parloops.o): Likewise.
4933
4934 2009-04-17  Simon Baldwin  <simonb@google.com>
4935
4936         * toplev.c (default_tree_printer): Add handling for %E format.
4937
4938 2009-04-17  Diego Novillo  <dnovillo@google.com>
4939
4940         * tree-pretty-print.c (dump_generic_node): Add break after
4941         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4942         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4943         FUNCTION_TYPE together.  Call print_struct_decl when printing
4944         structures and TDF_SLIM is not given.
4945         (print_struct_decl): Fix logic for detecting recursion.
4946
4947 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4948
4949         PR 31567
4950         * gcc.c (create_at_file): New.
4951         (compile_input_file_p): New.
4952         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4953         * main.c (main): Update call to toplev_main.
4954         * toplev.c (toplev_main): Change signature. Call expandargv.
4955         * toplev.h (toplev_main): Change signature.
4956
4957 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4958
4959         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4960         if the latter is not constant.
4961
4962 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4963
4964         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4965
4966 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4967
4968         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4969         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4970
4971 2009-04-17  Richard Guenther  <rguenther@suse.de>
4972
4973         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4974         Handle component references view-converting an invariant address.
4975
4976 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4977
4978         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4979         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4980         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4981         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4982         Use @deftypevr rather than @deftypevar.
4983
4984 2009-04-17  Richard Guenther  <rguenther@suse.de>
4985
4986         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4987         (get_prop_source_stmt): Likewise.
4988         (can_propagate_from): Likewise.
4989
4990 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4991
4992         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4993         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4994         (--with-multilib-list): Add default value.
4995         * configure: Regenerate.
4996         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4997         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4998         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4999         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5000         Don't add default cpu to multilib list unnecessarily, but do enable
5001         the relevant compiler option..
5002         Add support for --with-multilib-list=<blank> and
5003         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5004         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5005         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5006         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5007         TM_MULTILIB_CONFIG.
5008         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5009         (MULTILIB_OSDIRNAMES): New variable.
5010         * config/sh/t-1e: Delete file.
5011         * config/sh/t-mlib-sh1: Delete file.
5012         * config/sh/t-mlib-sh2: Delete file.
5013         * config/sh/t-mlib-sh2a: Delete file.
5014         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5015         * config/sh/t-mlib-sh2a-single: Delete file.
5016         * config/sh/t-mlib-sh2a-single-only: Delete file.
5017         * config/sh/t-mlib-sh2e: Delete file.
5018         * config/sh/t-mlib-sh3e: Delete file.
5019         * config/sh/t-mlib-sh4: Delete file.
5020         * config/sh/t-mlib-sh4-nofpu: Delete file.
5021         * config/sh/t-mlib-sh4-single: Delete file.
5022         * config/sh/t-mlib-sh4-single-only: Delete file.
5023         * config/sh/t-mlib-sh4a: Delete file.
5024         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5025         * config/sh/t-mlib-sh4a-single: Delete file.
5026         * config/sh/t-mlib-sh4a-single-only: Delete file.
5027         * config/sh/t-mlib-sh4al: Delete file.
5028         * config/sh/t-mlib-sh5-32media: Delete file.
5029         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5030         * config/sh/t-mlib-sh5-64media: Delete file.
5031         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5032         * config/sh/t-mlib-sh5-compact: Delete file.
5033         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5034         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5035         * doc/install.texi (Options specification): Add
5036         --with-multilib-list and --with-endian.
5037
5038 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5039
5040         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5041         REVISION_c.
5042         (OBJS-common): Add plugin-version.o.
5043         (plugin-version.o): New.
5044         * gcc-plugin.h (plugin_gcc_version): New.
5045         (plugin_default_version_check): New.
5046         (plugin_init_func, plugin_init): Add version argument.
5047         * plugin-version.c: New.
5048         * plugin.c (str_plugin_gcc_version_name): New.
5049         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5050         pass it to the init function.
5051         (plugin_default_version_check): New.
5052
5053 2009-04-17  Richard Guenther  <rguenther@suse.de>
5054
5055         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5056         for decl-vs-decl disambiguation.
5057
5058 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5059
5060         * config/s390/s390.h (s390_tune_attr): New macro definition.
5061         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5062
5063 2009-04-17  Richard Guenther  <rguenther@suse.de>
5064
5065         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5066         (fold_stmt_r): Likewise.
5067         (maybe_fold_reference): New function.
5068         (fold_gimple_assign): Handle cases fold_stmt_r did.
5069         (fold_stmt): Do not use fold_stmt_r.
5070         (fold_stmt_inplace): Likewise.
5071
5072 2009-04-17  Richard Guenther  <rguenther@suse.de>
5073
5074         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5075         (record_equivalences_from_stmt): Remove useless checks and
5076         simplifications.
5077         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5078         the type is already suitable.
5079
5080 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5081
5082         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5083
5084 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5085
5086         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5087         (CMPtype): Define as __gcc_CMPtype.
5088
5089 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5090
5091         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5092         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5093
5094 2009-04-17  Richard Guenther  <rguenther@suse.de>
5095
5096         PR tree-optimization/39746
5097         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5098         special-casing for builtins and static variable use/def.
5099         (call_may_clobber_ref_p_1): Likewise.
5100
5101 2009-04-16  Ian Lance Taylor  <iant@google.com>
5102
5103         * df.h: Include "timevar.h".
5104         (struct df_problem): Change tv_id field to timevar_id_t.
5105         * tree-pass.h: Include "timevar.h".
5106         (struct opt_pass): Change tv_id field to timevar_id_t.
5107         * timevar.h (timevar_id_t): Define TV_NONE.
5108         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5109         TV_NONE rather than tv_id != 0.
5110         (execute_one_pass): Likewise.
5111         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5112         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5113         dependencies to $(TREE_PASS_H).
5114         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5115         to TV_NONE.
5116         (pass_branch_target_load_optimize2): Likewise.
5117         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5118         (pass_outof_cfg_layout_mode): Likewise.
5119         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5120         (pass_rebuild_cgraph_edges): Likewise.
5121         (pass_remove_cgraph_callee_edges): Likewise.
5122         * df-core.c (pass_df_initialize_opt): Likewise.
5123         (pass_df_initialize_no_opt): Likewise.
5124         (pass_df_finish): Likewise.
5125         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5126         * except.c (pass_set_nothrow_function_flags): Likewise.
5127         (pass_convert_to_eh_region_ranges): Likewise.
5128         * final.c (pass_compute_alignments): Likewise.
5129         * function.c (pass_instantiate_virtual_regs): Likewise.
5130         (pass_init_function): Likewise.
5131         (pass_leaf_regs): Likewise.
5132         (pass_match_asm_constraints): Likewise.
5133         * gimple-low.c (pass_lower_cf): Likewise.
5134         (pass_mark_used_blocks): Likewise.
5135         * init-regs.c (pass_initialize_regs): Likewise.
5136         * integrate.c (pass_initial_value_sets): Likewise.
5137         * ira.c (pass_ira): Likewise.
5138         * jump.c (pass_cleanup_barriers): Likewise.
5139         * omp-low.c (pass_expand_omp): Likewise.
5140         (pass_lower_omp): Likewise.
5141         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5142         * recog.c (pass_split_all_insns): Likewise.
5143         (pass_split_after_reload): Likewise.
5144         (pass_split_before_regstack): Likewise.
5145         (pass_split_before_sched2): Likewise.
5146         (pass_split_for_shorten_branches): Likewise.
5147         * reginfo.c (pass_reginfo_init): Likewise.
5148         (pass_subregs_of_mode_init): Likewise.
5149         (pass_subregs_of_mode_finish): Likewise.
5150         * passes.c (pass_postreload): Likewise.
5151         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5152         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5153         (pass_warn_function_return): Likewise.
5154         (pass_warn_function_noreturn): Likewise.
5155         * tree-complex.c (pass_lower_complex): Likewise.
5156         (pass_lower_complex_O0): Likewise.
5157         * tree-if-conv.c (pass_if_conversion): Likewise.
5158         * tree-into-ssa.c (pass_build_ssa): Likewise.
5159         * tree-mudflap.c (pass_mudflap_1): Likewise.
5160         (pass_mudflap_2): Likewise.
5161         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5162         (pass_mudflap_2): Likewise.
5163         * tree-nrv.c (pass_return_slot): Likewise.
5164         * tree-object-size.c (pass_object_sizes): Likewise.
5165         * tree-optimize.c (pass_all_optimizations): Likewise.
5166         (pass_early_local_passes): Likewise.
5167         (pass_all_early_optimizations): Likewise.
5168         (pass_cleanup_cfg): Likewise.
5169         (pass_cleanup_cfg_post_optimizing): Likewise.
5170         (pass_free_datastructures): Likewise.
5171         (pass_free_cfg_annotations): Likewise.
5172         (pass_fixup_cfg): Likewise.
5173         (pass_init_datastructures): Likewise.
5174         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5175         (pass_late_warn_uninitialized): Likewise.
5176         (pass_update_address_taken): Likewise.
5177         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5178         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5179         (pass_cse_sincos): Likewise.
5180         (pass_convert_to_rsqrt): Likewise.
5181         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5182         * tree-stdarg.c (pass_stdarg): Likewise.
5183         * tree-tailcall.c (pass_tail_recursion): Likewise.
5184         (pass_tail_calls): Likewise.
5185         * tree-vect-generic.c (pass_lower_vector): Likewise.
5186         (pass_lower_vector_ssa): Likewise.
5187         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5188
5189 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5190
5191         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5192         XLR entry.
5193         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5194         Handle -march=xlr.
5195         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5196         logical and signext.
5197
5198 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5199
5200         PR target/39767
5201         * config/sh/predicates.md (arith_operand): Check if the operand
5202         of TRUNCATE is a REG.
5203
5204 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5205
5206         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5207         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5208
5209 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5210
5211         * tree-iterator.c (tsi_split_statement_list_after,
5212         tsi_split_statement_list_before): Remove.
5213         * tree-iterator.h: Remove the prototypes for
5214         tsi_split_statement_list_after and tsi_split_statement_list_before.
5215
5216 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5217
5218         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5219         * tree-ssa-propagate.h: Remove the prototype for
5220         stmt_makes_single_load.
5221
5222 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5223
5224         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5225         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5226
5227 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5228
5229         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5230
5231 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5232
5233         * except.c (eh_region_outer_p): Remove.
5234         * except.h: Remove the prototype for eh_region_outer_p.
5235
5236 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5237
5238         * function.c (current_function_assembler_name): Remove.
5239         * function.h: Remove the prototype for
5240         current_function_assembler_name.
5241
5242 2009-04-16  Ian Lance Taylor  <iant@google.com>
5243
5244         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5245         (add_reg_note): Call alloc_reg_note.
5246         * rtl.h (alloc_reg_note): Declare.
5247         * combine.c (try_combine): Use alloc_reg_note.
5248         (recog_for_combine, move_deaths): Likewise.
5249         (distribute_notes): Use alloc_reg_note and add_reg_note.
5250         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5251         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5252         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5253
5254 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5255
5256         PR rtl-optimization/39762
5257         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5258         ira_may_move_out_cost): Add comments about way of their usage.
5259         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5260
5261         * ira-conflicts.c (process_regs_for_copy): Use function
5262         ira_get_register_move_cost instead of global
5263         ira_register_move_cost.
5264
5265         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5266         color_pass, move_spill_restore, update_curr_costs): Ditto.
5267
5268         * ira-lives.c (process_single_reg_class_operands): Ditto.
5269
5270         * ira-emit.c (emit_move_list): Ditto.
5271
5272         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5273         (record_reg_classes): Ditto.  Use functions
5274         ira_get_register_move_cost and ira_get_may_move_cost instead of
5275         global vars ira_register_move_cost, ira_may_move_out_cost and
5276         ira_may_move_in_cost.
5277         (record_address_regs): Don't call ira_init_register_move_cost.
5278         Use function ira_get_may_move_cost instead of global
5279         ira_may_move_in_cost.
5280         (process_bb_node_for_hard_reg_moves): Use function
5281         ira_get_register_move_cost instead of global ira_register_move_cost.
5282         (ira_costs): Don't call ira_init_register_move_cost.
5283
5284 2009-04-16  Richard Guenther  <rguenther@suse.de>
5285
5286         * tree-cfg.c (verify_gimple_assign_binary):
5287         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5288         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5289         (create_general_new_stmt): Note that this function is broken.
5290
5291 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5292
5293         * common.opt (fhelp): Add Var(help_flag).
5294         * gcc-plugin.h (plugin_info): Add help.
5295         * plugin.c (plugin_name_args): Add help.
5296         (register_plugin_info): Set plugin->help.
5297         (print_help_one_plugin): New.
5298         (print_plugins_help): New.
5299         * plugin.h (print_plugins_help): New.
5300         * toplev.c (toplev_main): Call print_plugins_help if needed.
5301
5302 2009-04-16  Richard Guenther  <rguenther@suse.de>
5303
5304         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5305         (gimple_ior_addresses_taken_1): New function.
5306         (gimple_ior_addresses_taken): Likewise.
5307         * gimple.h (struct gimple_statement_with_ops_base): Remove
5308         addresses_taken member.
5309         (gimple_ior_addresses_taken): Declare.
5310         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5311         gimple_set_addresses_taken): Remove.
5312         * ipa-reference.c (mark_address): New function.
5313         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5314         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5315         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5316         (gimple_add_to_addresses_taken): Remove.
5317         (get_tmr_operands): Call mark_address_taken.
5318         (get_asm_expr_operands): Likewise.
5319         (get_expr_operands): Likewise.
5320         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5321         (free_stmt_operands): Do not free it.
5322         * tree-ssa.c (delete_tree_ssa): Likewise.
5323         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5324
5325 2009-04-16  Richard Guenther  <rguenther@suse.de>
5326
5327         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5328         (walk_stmt_load_store_ops): Likewise.
5329         * gimple.c (get_base_loadstore): New function.
5330         (walk_stmt_load_store_addr_ops): Likewise.
5331         (walk_stmt_load_store_ops): Likewise.
5332         * ipa-pure-const.c (check_op): Simplify.
5333         (check_load, check_store): New functions.
5334         (check_stmt): Use walk_stmt_load_store_ops.
5335         * ipa-reference.c (mark_load): Adjust signature.
5336         (mark_store): Likewise.
5337         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5338
5339 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5340
5341         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5342         (plugin_info): New.
5343         * opts.c (common_handle_option): Don't call print_version.
5344         * plugin.c (plugin_name_args): Add version.
5345         (register_plugin_info): New.
5346         (register_callback): Handle PLUGIN_INFO.
5347         (try_init_one_plugin): New.
5348         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5349         if failed to init.
5350         (finalize_one_plugin): New.
5351         (finalize_plugins): New.
5352         (print_one_plugin): New.
5353         (print_plugins_versions): New.
5354         * plugin.h (print_plugins_versions): New.
5355         (finalize_plugins): New.
5356         * toplev.c (compile_file): Don't call initialize_plugins.
5357         (print_version): Call print_plugins_versions.
5358         (toplev_main): Call initialize_plugins. Print version if needed.
5359         Call finalize_plugins.
5360
5361 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5362
5363         * common.opt (fversion): New.
5364         * gcc.c (print_version): New.
5365         (process_command): Don't print the version. Just set print_version.
5366         (main): Print version. Call subprocesses if print_version and
5367         verbose_flag are set.
5368         * opts.c (common_handle_option): Handle OPT_fversion.
5369
5370 2009-04-16  Richard Guenther  <rguenther@suse.de>
5371             Ira Rosen  <irar@il.ibm.com>
5372
5373         PR tree-optimization/39698
5374         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5375         type of the reduction variable.  Only generate the def if
5376         it is needed.
5377
5378         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5379         make sure to first convert to an integer of the same precision.
5380         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5381         the type of the evolution correctly in computing the new
5382         induction variable base.
5383
5384 2009-04-16  Richard Guenther  <rguenther@suse.de>
5385
5386         PR middle-end/39625
5387         * tree-cfg.c (make_blocks): Split statements with to-be
5388         abnormal SSA names on the lhs.
5389
5390 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5391
5392         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5393         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5394         * c-typeck.c (really_start_incremental_init): Likewise.
5395         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5396         (TARGET_INITIALIZER): Remove it.
5397         * target.h (struct target): Remove vector_opaque_p.
5398         * tree.c (build_opaque_vector_type): New.
5399         * tree.h (TYPE_VECTOR_OPAQUE): New.
5400         (build_opaque_vector_type): Declare.
5401         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5402         * config/rs6000/rs6000.c (build_opaque_vector_type,
5403         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5404         (rs6000_init_builtins): Use build_opaque_vector_type for
5405         opaque_V4SI_type_node.
5406
5407 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5408
5409         * debug.h (set_name):  Declare.
5410         * dwarf2out.c (dwarf2out_set_name): Declare.
5411         (dwarf2_debug_hooks): Add set_name.
5412         (find_AT_string): New.
5413         (add_AT_string): Call find_AT_string.
5414         (dwarf2out_set_name): New.
5415         * cp/decl.c (grokdeclarator): Call set_name.
5416         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5417         * debug.c (do_nothing_debug_hooks):  Likewise.
5418         * dbxout.c (dbx_debug_hooks): Likewise.
5419         * sdbout.c (sdb_debug_hooks): Likewise.
5420
5421 2009-04-15  Michael Eager  <eager@eagercon.com>
5422
5423         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5424         reg for single-precision FPU.
5425         * config/rs6000/rs6000.md (movsi_internal1): Only for
5426         !TARGET_SINGLE_FPU.
5427         (movsi_internal1_single): New. Add pattern to move SI values to/from
5428         single-precision FP regs.
5429
5430 2009-04-15  Richard Guenther  <rguenther@suse.de>
5431
5432         * omp-low.c (lower_rec_input_clauses): Build correct address
5433         expressions.
5434         (expand_omp_for_generic): Fix multiplication type.
5435         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5436         (generate_memset_zero): Fix types.
5437         * tree-profile.c (prepare_instrumented_value): Correctly
5438         widen a pointer.
5439
5440 2009-04-15  Ian Lance Taylor  <iant@google.com>
5441
5442         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5443         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5444         for -Wall and for -Wc++-compat.
5445         (c_common_post_options): For C++, set warn_enum_compare if not
5446         already set.
5447         * c-tree.h (struct c_expr): Add field original_type.
5448         (build_external_ref): Update declaration.
5449         * c-parser.c (c_parser_braced_init): Set original_type.
5450         (c_parser_initelt): Likewise.
5451         (c_parser_expr_no_commas): Likewise.
5452         (c_parser_conditional_expression): Likewise.
5453         (c_parser_cast_expression): Likewise.
5454         (c_parser_unary_expression): Likewise.  Pull setting of
5455         original_code to top of function.
5456         (c_parser_sizeof_expression): Set original_type.
5457         (c_parser_alignof_expression): Likewise.
5458         (c_parser_postfix_expression): Likewise.  Pull setting of
5459         original_code to top of function.
5460         (c_parser_postfix_expression_after_paren_type): Set original_type.
5461         (c_parser_postfix_expression_after_primary): Likewise.
5462         (c_parser_expression): Likewise.
5463         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5464         callers.
5465         (c_expr_sizeof_expr): Set original_type field.
5466         (parser_build_unary_op): Likewise.
5467         (parser_build_binary_op): Likewise.  Optionally warn about
5468         comparisons of enums of different types.
5469         (digest_init): Set original_type field.
5470         (really_start_incremental_init): Likewise.
5471         (push_init_level, pop_init_level): Likewise.
5472         * doc/invoke.texi (Warning Options): -Wenum-compare now
5473         supported in C.
5474
5475 2009-04-15  Richard Guenther  <rguenther@suse.de>
5476
5477         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5478         out a necessary conversion.
5479         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5480         names we didn't value number.
5481         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5482
5483 2009-04-15  Richard Guenther  <rguenther@suse.de>
5484
5485         PR tree-optimization/39764
5486         * tree-ssa-ccp.c (get_value): Canonicalize value with
5487         canonicalize_float_value.
5488
5489 2009-04-15  Jan Hubicka  <jh@suse.cz>
5490
5491         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5492         Wrong version of patch.
5493
5494 2009-04-15  Jan Hubicka  <jh@suse.cz>
5495
5496         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5497
5498 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5499
5500         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5501         our distinct integral and vector types.
5502
5503 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5504
5505         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5506         * init.c (build_vtbl_address): Remove call to assemble_external.
5507
5508 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5509
5510         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5511         output for other floating point modes.
5512
5513 2009-04-14  Diego Novillo  <dnovillo@google.com>
5514
5515         * diagnostic.c (diagnostic_report_diagnostic): Do not
5516         warn about loaded plugins for DK_ERROR and DK_WARNING.
5517         * c-decl.c (declspecs_add_type): Move call to
5518         invoke_plugin_callbacks ...
5519         * c-parser.c (c_parser_declspecs): ... here.
5520         * plugin.c (dump_active_plugins): Tidy output.
5521
5522 2009-04-14  Diego Novillo  <dnovillo@google.com>
5523             Le-Chun Wu  <lcwu@google.com>
5524
5525         * configure.ac: Add --enable-plugin support.
5526         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5527         * Makefile.in (PLUGIN_H): Define.
5528         Export ENABLE_PLUGIN and GMPINC to site.exp.
5529         Add PLUGINLIBS to link command.
5530         Add/modify dependencies for plugin.o and files including plugin.h.
5531         (plugin.o): New.
5532         * config.in: Regenerate.
5533
5534         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5535         OPT_fplugin_arg_.
5536
5537 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5538
5539         * tree-pass.h (register_one_dump_file): Add a prototype for
5540         register_one_dump_file.
5541         * toplev.c (compile_file): Call initialize_plugins.
5542         (do_compile): Call invoke_plugin_callbacks.
5543         (toplev_main): Call invoke_plugin_callbacks.
5544         * common.opt: Add -fplugin= and -fplugin-arg-.
5545         * gcc-plugin.h: New public header file for plugins to include.
5546         * plugin.c: New source file.
5547         * plugin.h: New internal header file.
5548         * passes.c (register_one_dump_file): Make it external.
5549
5550         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5551
5552 2009-04-14  Diego Novillo  <dnovillo@google.com>
5553
5554         * doc/plugins.texi: New.
5555         * doc/gccint.texi: Add reference to Plugins chapter.
5556         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5557         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5558         loaded plugins, if any.
5559         * timevar.def (TV_PLUGIN_INIT): Define.
5560         (TV_PLUGIN_RUN): Define.
5561         * plugin.c: Include timevar.h
5562         (plugins_active_p): New.
5563         (dump_active_plugins): New.
5564         (debug_active_plugins): New.
5565
5566 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5567
5568         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5569         library paths.
5570         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5571
5572 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5573
5574         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5575         the same as a minus without a shift.
5576
5577 2009-04-14  Nick Clifton  <nickc@redhat.com>
5578
5579         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5580         comparisons with small integers will always produce a short
5581         branch.
5582
5583 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5584
5585         Merge:
5586         2008-12-19  Diego Novillo  <dnovillo@google.com>
5587
5588         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5589
5590 2009-04-14  Richard Guenther  <rguenther@suse.de>
5591
5592         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5593         verification.
5594         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5595         rotates correctly.
5596         (verify_gimple_phi): Print the mismatched argument position.
5597         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5598         Fix types.
5599         (vect_update_init_of_dr): Likewise.
5600         * matrix-reorg.c (transform_access_sites): Do what the
5601         comment suggests.
5602         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5603
5604 2009-04-13  Michael Eager  <eager@eagercon.com>
5605
5606         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5607         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5608         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5609         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5610         remove duplicate config
5611
5612 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5613
5614         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5615         file_name:line_number type locator of the call site.
5616
5617 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5618
5619         * genautomata.c: Put blank after comma.
5620         (automaton_decls): New.
5621         (struct unit_usage): Add comments to member next.
5622         (store_alt_unit_usage): Keep the list ordered.
5623         (unit_present_on_list_p, equal_alternatives_p): New.
5624         (check_regexp_units_distribution): Check units distribution
5625         correctness correctly.
5626         (main): Don't write automata if error is found.  Return correct
5627         exit code.
5628
5629         * config/m68k/cf.md (cfv4_ds): Remove.
5630         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5631         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5632
5633         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5634         power4-load-ext, power4-store, power4-store-update,
5635         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5636         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5637         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5638         power4-sqrt, power4-isync): Modify reservation to make correct
5639         unit distribution to automata.
5640
5641         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5642         power5-store-update, power5-two, power5-three, power5-lmul,
5643         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5644
5645 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5646
5647         * except.c (pass_set_nothrow_function_flags): Set name and add
5648         TODO_dump_func.
5649         (set_nothrow_function_flags): Mention in the dump file when
5650         changing a function to nothrow.
5651
5652 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5653
5654         PR/39066
5655         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5656         instead of unsigned long.
5657
5658 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5659
5660         * config/arm/arm.c (return_used_this_function): Remove.
5661         (arm_output_function_prologue): Remove use of
5662         return_used_this_function.
5663         (output_return_instruction): Replace use of
5664         return_used_this_function
5665         by cfun->machine->return_used_this_function.
5666         (arm_output_epilogue): Likewise.
5667         (arm_output_function_epilogue): Likewise.
5668         (thumb_unexpanded_epilogue): Likewise.
5669         * config/arm/arm.h (struct machine_function):
5670         New member return_used_this_function.
5671
5672 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5673
5674         * doc/install.texi: Correct description of default directory for
5675         --with-gxx-include-dir.
5676
5677 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5678
5679         * fold-const.c (build_range_check): Properly deal with enumeral and
5680         boolean base types.
5681
5682 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5683
5684         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5685         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5686         * params.h (MAX_GCSE_PASSES): Remove.
5687         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5688         in sequence.  Remove ability to run multiple passes.
5689         (bypass_jumps): Report run as third CPROP pass.
5690
5691 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5692
5693         PR middle-end/39651
5694         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5695         when deciding whether the whole SEQUENCE can throw.
5696
5697 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5698
5699         PR target/39740
5700         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5701         offseted label references.
5702
5703 2009-04-11  Jan Hubicka  <jh@suse.cz>
5704
5705         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5706
5707 2009-04-11  Richard Guenther  <rguenther@suse.de>
5708
5709         PR middle-end/39732
5710         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5711         return variables as TREE_ADDRESSABLE.
5712
5713 2009-04-11  Richard Guenther  <rguenther@suse.de>
5714
5715         PR tree-optimization/39713
5716         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5717         reference trees have SSA_NAME operands.
5718
5719 2009-04-11  Richard Guenther  <rguenther@suse.de>
5720
5721         PR c/39712
5722         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5723         address expressions.
5724
5725 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5726
5727         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5728         match changes in Cygwin 1.7
5729         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5730         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5731
5732 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5733
5734         PR tree-optimization/39701
5735         * doc/invoke.texi (Optimization Options): Document change in
5736         meaning and initialization of -fdelete-null-pointer-checks.
5737
5738 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5739
5740         PR middle-end/39701
5741         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5742
5743         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5744         here.
5745
5746         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5747
5748 2009-04-10  Chao-ying Fu  <fu@mips.com>
5749
5750         * doc/tm.texi (Instruction Output): Document
5751         TARGET_ASM_FINAL_POSTSCAN_INSN.
5752         * target.h (final_postscan_insn): New field in asm_out.
5753         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5754         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5755         * final.c (final_scan_insn): Call
5756         targetm.asm_out.final_postscan_insn after outputting
5757         an asm macro and a normal instruction.
5758
5759         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5760         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5761         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5762         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5763         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5764
5765 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5766
5767         PR middle-end/39701
5768         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5769         variables as non-NULL even with -fdelete-null-pointer-checks.
5770
5771 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5772
5773         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5774
5775 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5776
5777         PR target/39678
5778         * config/i386/i386.c (classify_argument): Handle SCmode with
5779         (bit_offset % 64) != 0.
5780
5781 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5782
5783         * doc/invoke.texi (Optimize Options): Add cross-reference to
5784         -Q --help=optimizers examples.
5785
5786 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5787
5788         PR target/36800
5789         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5790         regalign for the reg == fpr and TDmode case.
5791
5792 2009-04-09  David Ayers  <ayers@fsfe.org>
5793
5794         PR objc/29200
5795         * objc/objc-act.c (warn_with_method): Remove helper function.
5796         (check_duplicates): Call warning and inform directly.
5797         (really_start_method): Likewise.
5798
5799 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5800
5801         * expmed.c (expand_divmod): Always use a comparison for a division
5802         by a large unsigned integer.
5803
5804         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5805         for things others than variables or functions as nonzero.
5806
5807 2009-04-09  Nick Clifton  <nickc@redhat.com>
5808
5809         * unwind-compat.c: Change copyright header to refer to version
5810         3 of the GNU General Public License with version 3.1 of the
5811         GCC Runtime Library Exception and to point readers at the
5812         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5813         * config/alpha/crtfastmath.c: Likewise.
5814         * config/alpha/linux-unwind.h: Likewise.
5815         * config/alpha/qrnnd.asm: Likewise.
5816         * config/alpha/vms-crt0-64.c: Likewise.
5817         * config/alpha/vms-crt0.c: Likewise.
5818         * config/alpha/vms-dwarf2.asm: Likewise.
5819         * config/alpha/vms-dwarf2eh.asm: Likewise.
5820         * config/alpha/vms-psxcrt0-64.c: Likewise.
5821         * config/alpha/vms-psxcrt0.c: Likewise.
5822         * config/alpha/vms_tramp.asm: Likewise.
5823         * config/arc/initfini.c: Likewise.
5824         * config/arc/lib1funcs.asm: Likewise.
5825         * config/arm/bpabi-v6m.S: Likewise.
5826         * config/arm/bpabi.S: Likewise.
5827         * config/arm/bpabi.c: Likewise.
5828         * config/arm/crti.asm: Likewise.
5829         * config/arm/crtn.asm: Likewise.
5830         * config/arm/ieee754-df.S: Likewise.
5831         * config/arm/ieee754-sf.S: Likewise.
5832         * config/arm/lib1funcs.asm: Likewise.
5833         * config/arm/libunwind.S: Likewise.
5834         * config/arm/linux-atomic.c: Likewise.
5835         * config/arm/mmintrin.h: Likewise.
5836         * config/arm/pr-support.c: Likewise.
5837         * config/arm/unaligned-funcs.c: Likewise.
5838         * config/arm/unwind-arm.c: Likewise.
5839         * config/arm/unwind-arm.h: Likewise.
5840         * config/avr/libgcc.S: Likewise.
5841         * config/bfin/crti.s: Likewise.
5842         * config/bfin/crtlibid.s: Likewise.
5843         * config/bfin/crtn.s: Likewise.
5844         * config/bfin/lib1funcs.asm: Likewise.
5845         * config/bfin/linux-unwind.h: Likewise.
5846         * config/cris/arit.c: Likewise.
5847         * config/cris/cris_abi_symbol.c: Likewise.
5848         * config/darwin-64.c: Likewise.
5849         * config/darwin-crt2.c: Likewise.
5850         * config/darwin-crt3.c: Likewise.
5851         * config/darwin.h: Likewise.
5852         * config/dbxelf.h: Likewise.
5853         * config/dfp-bit.c: Likewise.
5854         * config/dfp-bit.h: Likewise.
5855         * config/elfos.h: Likewise.
5856         * config/fixed-bit.c: Likewise.
5857         * config/fixed-bit.h: Likewise.
5858         * config/fp-bit.c: Likewise.
5859         * config/fp-bit.h: Likewise.
5860         * config/fr30/crti.asm: Likewise.
5861         * config/fr30/crtn.asm: Likewise.
5862         * config/fr30/lib1funcs.asm: Likewise.
5863         * config/freebsd-spec.h: Likewise.
5864         * config/frv/cmovd.c: Likewise.
5865         * config/frv/cmovh.c: Likewise.
5866         * config/frv/cmovw.c: Likewise.
5867         * config/frv/frvbegin.c: Likewise.
5868         * config/frv/frvend.c: Likewise.
5869         * config/frv/lib1funcs.asm: Likewise.
5870         * config/glibc-stdint.h: Likewise.
5871         * config/h8300/clzhi2.c: Likewise.
5872         * config/h8300/crti.asm: Likewise.
5873         * config/h8300/crtn.asm: Likewise.
5874         * config/h8300/ctzhi2.c: Likewise.
5875         * config/h8300/fixunssfsi.c: Likewise.
5876         * config/h8300/lib1funcs.asm: Likewise.
5877         * config/h8300/parityhi2.c: Likewise.
5878         * config/h8300/popcounthi2.c: Likewise.
5879         * config/i386/ammintrin.h: Likewise.
5880         * config/i386/att.h: Likewise.
5881         * config/i386/avxintrin.h: Likewise.
5882         * config/i386/biarch64.h: Likewise.
5883         * config/i386/bmmintrin.h: Likewise.
5884         * config/i386/cpuid.h: Likewise.
5885         * config/i386/cross-stdarg.h: Likewise.
5886         * config/i386/crtfastmath.c: Likewise.
5887         * config/i386/crtprec.c: Likewise.
5888         * config/i386/cygming-crtbegin.c: Likewise.
5889         * config/i386/cygming-crtend.c: Likewise.
5890         * config/i386/cygwin.asm: Likewise.
5891         * config/i386/emmintrin.h: Likewise.
5892         * config/i386/gmm_malloc.h: Likewise.
5893         * config/i386/gthr-win32.c: Likewise.
5894         * config/i386/i386.h: Likewise.
5895         * config/i386/immintrin.h: Likewise.
5896         * config/i386/linux-unwind.h: Likewise.
5897         * config/i386/linux64.h: Likewise.
5898         * config/i386/mm3dnow.h: Likewise.
5899         * config/i386/mmintrin-common.h: Likewise.
5900         * config/i386/mmintrin.h: Likewise.
5901         * config/i386/nmmintrin.h: Likewise.
5902         * config/i386/pmm_malloc.h: Likewise.
5903         * config/i386/pmmintrin.h: Likewise.
5904         * config/i386/smmintrin.h: Likewise.
5905         * config/i386/sol2-c1.asm: Likewise.
5906         * config/i386/sol2-ci.asm: Likewise.
5907         * config/i386/sol2-cn.asm: Likewise.
5908         * config/i386/sol2-gc1.asm: Likewise.
5909         * config/i386/tmmintrin.h: Likewise.
5910         * config/i386/unix.h: Likewise.
5911         * config/i386/w32-unwind.h: Likewise.
5912         * config/i386/wmmintrin.h: Likewise.
5913         * config/i386/x86-64.h: Likewise.
5914         * config/i386/x86intrin.h: Likewise.
5915         * config/i386/xmmintrin.h: Likewise.
5916         * config/ia64/crtbegin.asm: Likewise.
5917         * config/ia64/crtend.asm: Likewise.
5918         * config/ia64/crtfastmath.c: Likewise.
5919         * config/ia64/crti.asm: Likewise.
5920         * config/ia64/crtn.asm: Likewise.
5921         * config/ia64/fde-glibc.c: Likewise.
5922         * config/ia64/lib1funcs.asm: Likewise.
5923         * config/ia64/linux-unwind.h: Likewise.
5924         * config/ia64/quadlib.c: Likewise.
5925         * config/ia64/unwind-ia64.c: Likewise.
5926         * config/linux.h: Likewise.
5927         * config/m32c/m32c-lib1.S: Likewise.
5928         * config/m32c/m32c-lib2-trapv.c: Likewise.
5929         * config/m32c/m32c-lib2.c: Likewise.
5930         * config/m32r/initfini.c: Likewise.
5931         * config/m68hc11/larith.asm: Likewise.
5932         * config/m68hc11/m68hc11-crt0.S: Likewise.
5933         * config/m68k/cf.md: Likewise.
5934         * config/m68k/crti.s: Likewise.
5935         * config/m68k/crtn.s: Likewise.
5936         * config/m68k/lb1sf68.asm: Likewise.
5937         * config/m68k/linux-unwind.h: Likewise.
5938         * config/mcore/crti.asm: Likewise.
5939         * config/mcore/crtn.asm: Likewise.
5940         * config/mcore/lib1.asm: Likewise.
5941         * config/mips/linux-unwind.h: Likewise.
5942         * config/mips/loongson.h: Likewise.
5943         * config/mips/mips16.S: Likewise.
5944         * config/mmix/crti.asm: Likewise.
5945         * config/mmix/crtn.asm: Likewise.
5946         * config/pa/fptr.c: Likewise.
5947         * config/pa/hpux-unwind.h: Likewise.
5948         * config/pa/lib2funcs.asm: Likewise.
5949         * config/pa/linux-atomic.c: Likewise.
5950         * config/pa/linux-unwind.h: Likewise.
5951         * config/pa/milli64.S: Likewise.
5952         * config/pa/quadlib.c: Likewise.
5953         * config/pa/stublib.c: Likewise.
5954         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5955         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5956         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5957         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5958         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5959         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5960         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5961         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5962         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5963         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5964         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5965         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5966         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5967         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5968         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5969         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5970         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5971         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5972         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5973         * config/rs6000/750cl.h: Likewise.
5974         * config/rs6000/altivec.h: Likewise.
5975         * config/rs6000/biarch64.h: Likewise.
5976         * config/rs6000/crtresfpr.asm: Likewise.
5977         * config/rs6000/crtresgpr.asm: Likewise.
5978         * config/rs6000/crtresxfpr.asm: Likewise.
5979         * config/rs6000/crtresxgpr.asm: Likewise.
5980         * config/rs6000/crtsavfpr.asm: Likewise.
5981         * config/rs6000/crtsavgpr.asm: Likewise.
5982         * config/rs6000/darwin-asm.h: Likewise.
5983         * config/rs6000/darwin-fallback.c: Likewise.
5984         * config/rs6000/darwin-fpsave.asm: Likewise.
5985         * config/rs6000/darwin-ldouble.c: Likewise.
5986         * config/rs6000/darwin-tramp.asm: Likewise.
5987         * config/rs6000/darwin-unwind.h: Likewise.
5988         * config/rs6000/darwin-vecsave.asm: Likewise.
5989         * config/rs6000/darwin-world.asm: Likewise.
5990         * config/rs6000/e500crtres32gpr.asm: Likewise.
5991         * config/rs6000/e500crtres64gpr.asm: Likewise.
5992         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5993         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5994         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5995         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5996         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5997         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5998         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5999         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6000         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6001         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6002         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6003         * config/rs6000/eabi-ci.asm: Likewise.
6004         * config/rs6000/eabi-cn.asm: Likewise.
6005         * config/rs6000/eabi.asm: Likewise.
6006         * config/rs6000/linux-unwind.h: Likewise.
6007         * config/rs6000/linux64.h: Likewise.
6008         * config/rs6000/paired.h: Likewise.
6009         * config/rs6000/paired.md: Likewise.
6010         * config/rs6000/ppc64-fp.c: Likewise.
6011         * config/rs6000/ppu_intrinsics.h: Likewise.
6012         * config/rs6000/rs6000.h: Likewise.
6013         * config/rs6000/si2vmx.h: Likewise.
6014         * config/rs6000/sol-ci.asm: Likewise.
6015         * config/rs6000/sol-cn.asm: Likewise.
6016         * config/rs6000/spe.h: Likewise.
6017         * config/rs6000/spu2vmx.h: Likewise.
6018         * config/rs6000/sysv4.h: Likewise.
6019         * config/rs6000/tramp.asm: Likewise.
6020         * config/rs6000/vec_types.h: Likewise.
6021         * config/s390/linux-unwind.h: Likewise.
6022         * config/s390/tpf-unwind.h: Likewise.
6023         * config/score/crti.asm: Likewise.
6024         * config/score/crtn.asm: Likewise.
6025         * config/sh/crt1.asm: Likewise.
6026         * config/sh/crti.asm: Likewise.
6027         * config/sh/crtn.asm: Likewise.
6028         * config/sh/divtab-sh4-300.c: Likewise.
6029         * config/sh/divtab-sh4.c: Likewise.
6030         * config/sh/divtab.c: Likewise.
6031         * config/sh/lib1funcs-4-300.asm: Likewise.
6032         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6033         * config/sh/lib1funcs.asm: Likewise.
6034         * config/sh/lib1funcs.h: Likewise.
6035         * config/sh/linux-atomic.asm: Likewise.
6036         * config/sh/linux-unwind.h: Likewise.
6037         * config/sh/shmedia.h: Likewise.
6038         * config/sh/sshmedia.h: Likewise.
6039         * config/sh/ushmedia.h: Likewise.
6040         * config/sparc/crtfastmath.c: Likewise.
6041         * config/sparc/linux-unwind.h: Likewise.
6042         * config/sparc/sol2-c1.asm: Likewise.
6043         * config/sparc/sol2-ci.asm: Likewise.
6044         * config/sparc/sol2-cn.asm: Likewise.
6045         * config/spu/divmodti4.c: Likewise.
6046         * config/spu/divv2df3.c: Likewise.
6047         * config/spu/float_disf.c: Likewise.
6048         * config/spu/float_unsdidf.c: Likewise.
6049         * config/spu/float_unsdisf.c: Likewise.
6050         * config/spu/float_unssidf.c: Likewise.
6051         * config/spu/mfc_multi_tag_release.c: Likewise.
6052         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6053         * config/spu/mfc_tag_release.c: Likewise.
6054         * config/spu/mfc_tag_reserve.c: Likewise.
6055         * config/spu/mfc_tag_table.c: Likewise.
6056         * config/spu/multi3.c: Likewise.
6057         * config/spu/spu_internals.h: Likewise.
6058         * config/spu/spu_intrinsics.h: Likewise.
6059         * config/spu/spu_mfcio.h: Likewise.
6060         * config/spu/vec_types.h: Likewise.
6061         * config/spu/vmx2spu.h: Likewise.
6062         * config/stormy16/stormy16-lib2.c: Likewise.
6063         * config/svr4.h: Likewise.
6064         * config/sync.c: Likewise.
6065         * config/v850/lib1funcs.asm: Likewise.
6066         * config/vxlib-tls.c: Likewise.
6067         * config/vxlib.c: Likewise.
6068         * config/vxworks-dummy.h: Likewise.
6069         * config/xtensa/crti.asm: Likewise.
6070         * config/xtensa/crtn.asm: Likewise.
6071         * config/xtensa/ieee754-df.S: Likewise.
6072         * config/xtensa/ieee754-sf.S: Likewise.
6073         * config/xtensa/lib1funcs.asm: Likewise.
6074         * config/xtensa/lib2funcs.S: Likewise.
6075         * config/xtensa/linux-unwind.h: Likewise.
6076         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6077         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6078         * coretypes.h: Likewise.
6079         * crtstuff.c: Likewise.
6080         * defaults.h: Likewise.
6081         * dwarf2.h: Likewise.
6082         * emutls.c: Likewise.
6083         * gbl-ctors.h: Likewise.
6084         * gcov-io.h: Likewise.
6085         * ginclude/float.h: Likewise.
6086         * ginclude/iso646.h: Likewise.
6087         * ginclude/stdarg.h: Likewise.
6088         * ginclude/stdbool.h: Likewise.
6089         * ginclude/stddef.h: Likewise.
6090         * ginclude/stdfix.h: Likewise.
6091         * ginclude/stdint-gcc.h: Likewise.
6092         * ginclude/tgmath.h: Likewise.
6093         * gthr-aix.h: Likewise.
6094         * gthr-dce.h: Likewise.
6095         * gthr-gnat.c: Likewise.
6096         * gthr-gnat.h: Likewise.
6097         * gthr-lynx.h: Likewise.
6098         * gthr-mipssde.h: Likewise.
6099         * gthr-nks.h: Likewise.
6100         * gthr-posix.c: Likewise.
6101         * gthr-posix.h: Likewise.
6102         * gthr-posix95.h: Likewise.
6103         * gthr-rtems.h: Likewise.
6104         * gthr-single.h: Likewise.
6105         * gthr-solaris.h: Likewise.
6106         * gthr-tpf.h: Likewise.
6107         * gthr-vxworks.h: Likewise.
6108         * gthr-win32.h: Likewise.
6109         * gthr.h: Likewise.
6110         * libgcc2.c: Likewise.
6111         * libgcc2.h: Likewise.
6112         * libgcov.c: Likewise.
6113         * tsystem.h: Likewise.
6114         * typeclass.h: Likewise.
6115         * unwind-c.c: Likewise.
6116         * unwind-compat.h: Likewise.
6117         * unwind-dw2-fde-compat.c: Likewise.
6118         * unwind-dw2-fde-darwin.c: Likewise.
6119         * unwind-dw2-fde-glibc.c: Likewise.
6120         * unwind-dw2-fde.c: Likewise.
6121         * unwind-dw2-fde.h: Likewise.
6122         * unwind-dw2.c: Likewise.
6123         * unwind-dw2.h: Likewise.
6124         * unwind-generic.h: Likewise.
6125         * unwind-pe.h: Likewise.
6126         * unwind-sjlj.c: Likewise.
6127         * unwind.inc: Likewise.
6128         * config/arm/neon-gen.ml: Change generated copyright header to
6129         refer to version 3 of the GNU General Public License with
6130         version 3.1 of the GCC Runtime Library Exception and to point
6131         readers at the COPYING3 and COPYING3.RUNTIME files and the
6132         FSF's license web page.
6133         * config/arm/arm_neon.h: Regenerate.
6134
6135 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6136
6137         * config/cris/cris.md: Change copyright header to refer to version
6138         3 of the GNU General Public License.
6139         * doc/install.texi2html: Change copyright header to refer to version
6140         3 of the GNU General Public License and to point readers at the
6141         COPYING3 file and the FSF's license web page.
6142         * config/vax/linux.h: Likewise.
6143
6144 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6145
6146         * config/i386/i386.md (cmpcc): New.
6147         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6148         (sync_compare_and_swap_cc*): Delete.
6149
6150         * config/s390/s390.c (s390_compare_emitted): Remove.
6151         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6152         s390_compare_emitted used to be handled.  Assert that modes match.
6153         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6154         refer to sync_compare_and_swap_ccsi.
6155         * config/s390/s390.h (s390_compare_emitted): Remove.
6156         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6157         instead of s390_compare_emitted.
6158         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6159         instead of s390_compare_emitted.
6160         * config/s390/s390.md (cmpcc): New.
6161         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6162         CC_REGNUM, do not pretend it's set.
6163         (sync_compare_and_swap_cc*): Delete.
6164         * config/s390/predicates.md (cc_reg_operand): New.
6165
6166         * expr.c (sync_compare_and_swap_cc): Delete.
6167         * optabs.h (sync_compare_and_swap_cc): Delete.
6168         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6169         is being used with can_compare_p.
6170         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6171         (find_cc_set): New.
6172         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6173         look for a MODE_CC set instead.  Use emit_store_flag.
6174         (expand_compare_and_swap_loop): Likewise, with some additional
6175         complication to avoid a force_reg when useless.  Use
6176         emit_cmp_and_jump_insns.
6177         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6178         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6179         sync_compare_and_swap documentation.
6180
6181 2009-04-09  Jan Hubicka  <jh@suse.cz>
6182
6183         * except.c (find_prev_try): Break out from ....
6184         (duplicate_eh_regions): ... here; properly update prev_try pointers
6185         when duplication part of tree.
6186         (dump_eh_tree): Improve dumping.
6187         (verify_eh_region): New.
6188         (verify_eh_tree): Use it.
6189
6190 2009-04-06  Richard Guenther  <rguenther@suse.de>
6191
6192         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6193         &ARRAY addresses by adjusting their types and prepending
6194         a conversion.
6195         * tree-cfg.c (verify_gimple_assign_single): Verify that
6196         addresses are correct.
6197
6198 2009-04-09  Richard Guenther  <rguenther@suse.de>
6199
6200         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6201         indices into an array reference if possible.
6202         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6203         Fold POINTER_PLUS_EXPR statements with invariant address.
6204
6205 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6206
6207         PR target/39634
6208         * config.gcc (powerpc64-*-linux*): Always build biarch.
6209
6210 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6211
6212         PR c/39613
6213         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6214         it and pedwarn if this results in an INTEGER_CST.
6215
6216 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6217
6218         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6219         text in MPFR section.
6220
6221 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6222
6223         * dwarf2out.c (class_scope_p): New static inline.
6224         (class_or_namespace_scope_p): Use it.
6225         (gen_variable_die): Use DW_TAG_member tag for static data member
6226         declarations instead of DW_TAG_variable.
6227
6228         PR middle-end/39573
6229         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6230         variables.
6231
6232 2009-04-08  Richard Guenther  <rguenther@suse.de>
6233
6234         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6235         valueize random data.
6236
6237 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6238
6239         * config.gcc (aix tm_file):  Add aix-stdint.h.
6240         (aix tm clause use_gcc_stdint):  Set to wrap.
6241         * config/rs6000/aix-stdint.h:  New file.
6242
6243 2009-04-08  Richard Guenther  <rguenther@suse.de>
6244
6245         PR middle-end/36291
6246         * tree-dfa.c (add_referenced_var): Do not recurse into
6247         global initializers.
6248         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6249         exposed variables.
6250         (fold_const_aggregate_ref): Likewise.
6251
6252 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6253
6254         * recog.c (ordered_comparison_operator): New.
6255         * gensupport.c (std_preds): Add it.
6256         * doc/md.texi (Machine-Independent Predicates): Document it.
6257
6258 2009-04-08  Jan Hubicka  <jh@suse.cz>
6259
6260         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6261         * function.h (rtl_eh): Remove exception_handler_label_map.
6262         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6263         remove_exception_handler_label, for_each_eh_label_1): Remove.
6264         (rtl_remove_unreachable_regions): Remove.
6265         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6266         (find_exception_handler_labels): Don't build the hashtable.
6267         (maybe_remove_eh_handler): Remove.
6268         (for_each_eh_label): Rewrite to walk the tree.
6269         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6270         * except.h (maybe_remove_eh_handler): Remove.
6271         * passes.c (init_optimization_passes): Schedule second EH cleanup
6272         before out-of-ssa.
6273         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6274         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6275
6276 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6277
6278         * genoutput.c (validate_optab_operands): New.
6279         (gen_insn, gen_expand): Call it.
6280
6281         * genflags.c (gen_insn): Detect misused iterators.
6282         (main): Pass line_no to gen_insn, exit with status 1 on error.
6283
6284         * genextract.c (line_no): Make global.
6285         (VEC_safe_set_locstr): Change assertion to error message.
6286         (main): Exit with status 1 on error.
6287
6288 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6289
6290         PR c/39614
6291         PR c/39673
6292         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6293         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6294         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6295         * c-convert.c (convert): Do not call fold on results of conversion
6296         functions when the result is a C_MAYBE_CONST_EXPR.
6297         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6298         of __builtin_choose_expr.
6299         * c-typeck.c (remove_c_maybe_const_expr): New.
6300         (build_unary_op, build_conditional_expr, build_compound_expr,
6301         build_binary_op, c_objc_common_truthvalue_conversion): Call
6302         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6303         integer operands.
6304
6305 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6306
6307         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6308         CODE to produce a new one. Add a prototype to use fold_convert_const
6309
6310 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6311
6312         PR bootstrap/39660
6313         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6314         mix declarations and code.
6315
6316 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6317
6318         * gcc.c: Replace `CC' with `GCC' throughout.
6319
6320 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6321
6322         * doc/invoke.texi: Document Atom support.
6323
6324 2009-04-07  Jason Merrill  <jason@redhat.com>
6325
6326         PR c++/25185
6327         * c-common.h, c-common.c: Add flag_pretty_templates.
6328         * c-opts.c (c_common_handle_option): Set it.
6329         * c.opt: Add -fno-pretty-templates.
6330         * doc/invoke.texi (C++ Dialect Options): Likewise.
6331
6332 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6333
6334         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6335         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6336         (ia64_expand_builtin): Likewise.
6337
6338 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6339
6340         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6341         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6342         ADDR_EXPRS are include too.
6343
6344 2009-04-07  Richard Guenther  <rguenther@suse.de>
6345
6346         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6347         decls are only used if passes as parameters or if they are
6348         local statics and the call is not to a builtin.
6349         (call_may_clobber_ref_p_1): Likewise.
6350
6351 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6352
6353         * expr.c (do_store_flag): Remove last argument.  Simplify code
6354         to avoid duplication of tests already done by can_compare_p.
6355         (expand_expr_real_1): Adjust caller.
6356
6357 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6358
6359         * optabs.c (can_compare_p): Test the predicate of a
6360         cbranch and cstore pattern.
6361
6362 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6363
6364         * expr.c (convert_move): Use emit_store_flag instead of
6365         "emulating" it.
6366
6367 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6368
6369         * config/i386/i386.c (ix86_compare_emitted): Remove.
6370         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6371         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6372         * config/i386/i386.h (ix86_compare_emitted): Remove.
6373         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6374         instead of ix86_compare_emitted.
6375         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6376
6377 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6378
6379         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6380         Add t-sysroot-suffix to tmake_file.
6381         * config/print-sysroot-suffix.sh: New file.
6382         * config/t-sysroot-suffix: New file.
6383
6384 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6385
6386         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6387         as the latter produces a warning when the target does not support
6388         infinity.
6389
6390 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6391
6392         * dfp.c: Replace type punning assignments with memcpy throughout.
6393         * Makefile.in (dfp.o-warn): Remove.
6394
6395 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6396
6397         PR target/39634
6398         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6399         Include soft-fp/t-softfp after rs6000/t-linux64.
6400
6401 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6402
6403         * stor-layout.c (set_sizetype): Use the full precision of their
6404         machine mode for bitsize types.
6405
6406 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6407
6408         * config/i386/i386.md: Revert 2 accidental checkins.
6409
6410 2009-04-06  Joey Ye  <joey.ye@intel.com>
6411             Xuepeng Guo  <xuepeng.guo@intel.com>
6412             H.J. Lu  <hongjiu.lu@intel.com>
6413
6414         Atom pipeline model, tuning and insn selection.
6415         * config.gcc (atom): Add atom config options and target.
6416
6417         * config/i386/atom.md: New.
6418
6419         * config/i386/i386.c (atom_cost): New cost.
6420         (m_ATOM): New macro flag.
6421         (initial_ix86_tune_features): Set m_ATOM.
6422         (x86_accumulate_outgoing_args): Likewise.
6423         (x86_arch_always_fancy_math_387): Likewise.
6424         (processor_target): Add Atom cost.
6425         (cpu_names): Add Atom cpu name.
6426         (override_options): Set Atom ISA.
6427         (ix86_issue_rate): New case PROCESSOR_ATOM.
6428         (ix86_adjust_cost): Likewise.
6429
6430         * config/i386/i386.h (TARGET_ATOM): New target macro.
6431         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6432         (TARGET_OPT_AGU): New target option.
6433         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6434         (processor_type): Add PROCESSOR_ATOM.
6435
6436         * config/i386/i386.md (cpu): Add new value "atom".
6437         (use_carry, movu): New attr.
6438         (atom.md): Include atom.md.
6439         (adddi3_carry_rex64): Set attr "use_carry".
6440         (addqi3_carry): Likewise.
6441         (addhi3_carry): Likewise.
6442         (addsi3_carry): Likewise.
6443         (*addsi3_carry_zext): Likewise.
6444         (subdi3_carry_rex64): Likewise.
6445         (subqi3_carry): Likewise.
6446         (subhi3_carry): Likewise.
6447         (subsi3_carry): Likewise.
6448         (x86_movdicc_0_m1_rex64): Likewise.
6449         (*x86_movdicc_0_m1_se): Likewise.
6450         (x86_movsicc_0_m1): Likewise.
6451         (*x86_movsicc_0_m1_se): Likewise.
6452         (*adddi_1_rex64): Emit add insn as much as possible.
6453         (*addsi_1): Likewise.
6454         (return_internal): Set atom_unit.
6455         (return_internal_long): Likewise.
6456         (return_pop_internal): Likewise.
6457         (*rcpsf2_sse): Set atom_sse_attr attr.
6458         (*qrt<mode>2_sse): Likewise.
6459         (*prefetch_sse): Likewise.
6460
6461         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6462         PROCESSOR_ATOM.
6463         (ix86_target_macros_internal): Likewise.
6464
6465         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6466         (*prefetch_sse_rex): Likewise.
6467         (sse_rcpv4sf2): Likewise.
6468         (sse_vmrcpv4sf2): Likewise.
6469         (sse_sqrtv4sf2): Likewise.
6470         (<sse>_vmsqrt<mode>2): Likewise.
6471         (sse_ldmxcsr): Likewise.
6472         (sse_stmxcsr): Likewise.
6473         (*sse_sfence): Likewise.
6474         (sse2_clflush): Likewise.
6475         (*sse2_mfence): Likewise.
6476         (*sse2_lfence): Likewise.
6477         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6478         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6479         (avx_movdqu<avxmodesuffix>): Likewise.
6480         (avx_lddqu<avxmodesuffix>): Likewise.
6481         (sse2_movntv2di): Change attr "type" to "ssemov".
6482         (sse2_movntsi): Likewise.
6483         (rsqrtv8sf2): Change attr "type" to "sseadd".
6484         (sse3_addsubv2df3): Set attr "atom_unit".
6485         (sse3_h<plusminus_insn>v4sf3): Likewise.
6486         (*sse2_pmaddwd): Likewise.
6487         (*vec_extractv2di_1_rex64): Likewise.
6488         (*vec_extractv2di_1_avx): Likewise.
6489         (sse2_psadbw): Likewise.
6490         (ssse3_phaddwv8hi3): Likewise.
6491         (ssse3_phaddwv4hi3): Likewise.
6492         (ssse3_phadddv4si3): Likewise.
6493         (ssse3_phadddv2si3): Likewise.
6494         (ssse3_phaddswv8hi3): Likewise.
6495         (ssse3_phaddswv4hi3): Likewise.
6496         (ssse3_phsubwv8hi3): Likewise.
6497         (ssse3_phsubwv4hi3): Likewise.
6498         (ssse3_phsubdv4si3): Likewise.
6499         (ssse3_phsubdv2si3): Likewise.
6500         (ssse3_phsubswv8hi3): Likewise.
6501         (ssse3_phsubswv4hi3): Likewise.
6502         (ssse3_pmaddubsw128): Likewise.
6503         (sse3_pmaddubsw: Likewise.
6504         (ssse3_palignrti): Likewise.
6505         (ssse3_palignrdi): Likewise.
6506
6507 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6508
6509         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6510
6511 2009-04-06  Richard Guenther  <rguenther@suse.de>
6512
6513         PR tree-optimization/28868
6514         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6515         of which PHI results we inserted.
6516         (insert_into_preds_of_block): Record inserted PHIs.
6517         (eliminate): Eliminate redundant PHI nodes.
6518         (init_pre): Init inserted_phi_names.
6519
6520 2009-04-06  Richard Guenther  <rguenther@suse.de>
6521
6522         PR tree-optimization/39643
6523         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6524         IMAGPART_EXPRs of complex constants.
6525         (execute_fold_all_builtins): If we folded a call queue
6526         TODO_update_address_taken.
6527
6528 2009-04-06  Jan Hubicka  <jh@suse.cz>
6529
6530         PR middle-end/39659
6531         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6532         flag.
6533
6534 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6535
6536         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6537         delay slot.
6538         (ic_invalidate_array): Likewise.
6539
6540 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6541
6542         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6543         alignment for library calls.
6544
6545 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6546
6547         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6548         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6549         * config/i386/mingw-stdint.h:  New file.
6550
6551 2009-04-05  Richard Guenther  <rguenther@suse.de>
6552
6553         PR tree-optimization/39648
6554         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6555         our &A vs. &A[0] IL deficiencies.
6556
6557 2009-04-04  Jan Hubicka  <jh@suse.cz>
6558
6559         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6560         removed toplevel regions.
6561         (sjlj_mark_call_sites): Likewise.
6562
6563 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6564
6565         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6566         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6567         * config/i386/cygwin-stdint.h:  New file.
6568
6569 2009-04-04  Richard Guenther  <rguenther@suse.de>
6570
6571         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6572         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6573         single-argument PHIs if we are in loop-closed SSA form.
6574         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6575         for the pre-condition.
6576         (slpeel_tree_peel_loop_to_edge): Likewise.
6577         (vect_build_loop_niters): Take an optional sequence to append stmts.
6578         (vect_generate_tmps_on_preheader): Likewise.
6579         (vect_do_peeling_for_loop_bound): Take extra guards for the
6580         pre-condition.
6581         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6582         the cost model check.
6583         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6584         guards if we are going to peel.  Do not apply versioning in that case.
6585         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6586         (vect_do_peeling_for_loop_bound): Likewise.
6587         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6588         loop bound only record extra pre-conditions, do not apply loop
6589         versioning.
6590
6591 2009-04-04  Richard Guenther  <rguenther@suse.de>
6592
6593         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6594         renaming code.
6595
6596 2009-04-04  Jan Hubicka  <jh@suse.cz>
6597
6598         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6599         last_basic_block for size of bb->index indexed array.
6600         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6601         compute_out, link_btr_uses, build_btr_def_use_webs,
6602         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6603
6604 2009-04-04  Jan Hubicka  <jh@suse.cz>
6605
6606         * except.c (remove_eh_handler_and_replace): Break out from ...
6607         (remove_eh_handler): ... here.
6608         (bring_to_root): New function.
6609         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6610         handled ones, bring others to root of tree.
6611
6612 2009-04-04  Jan Hubicka  <jh@suse.cz>
6613
6614         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6615         (all_phis_safe_to_merge): New function.
6616         (update_info): New structure.
6617         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6618         (cleanup_empty_eh): Update SSA if possible.
6619
6620 2009-04-04  Richard Guenther  <rguenther@suse.de>
6621
6622         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6623         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6624         (append_vuse): Likewise.
6625
6626 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6627
6628         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6629         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6630         instead of REG_UNSAVED for DW_CFA_undefined.
6631         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6632         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6633         outermost frame.
6634
6635 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6636
6637         PR target/39501
6638         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6639         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6640         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6641
6642 2009-04-04  Richard Guenther  <rguenther@suse.de>
6643
6644         PR tree-optimization/8781
6645         PR tree-optimization/37892
6646         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6647         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6648         (valueize_refs): Call it for *& valueizations.
6649         (shared_reference_ops_from_ref): Rename to ...
6650         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6651         (shared_reference_ops_from_call): Rename to ...
6652         (valueize_shared_reference_ops_from_call): ... this and valueize.
6653         (vn_reference_lookup): Update.
6654         (visit_reference_op_call): Likewise.
6655         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6656         (eliminate): Value-replace the call address in call statements.
6657
6658 2009-04-04  Richard Guenther  <rguenther@suse.de>
6659
6660         PR tree-optimization/39636
6661         * tree-ssa-forwprop.c
6662         (forward_propagate_addr_into_variable_array_index): Check for
6663         GIMPLE_ASSIGN before accessing the rhs code.
6664
6665 2009-04-03  Jason Merrill  <jason@redhat.com>
6666
6667         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6668
6669 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6670
6671         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6672         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6673         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6674         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6675         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6676         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6677         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6678         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6679         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6680         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6681         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6682         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6683         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6684         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6685         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6686         Use fr_reg_or_fp01_operand instead of fr_register_operand
6687
6688         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6689         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6690         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6691
6692 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6693
6694         PR rtl-optimization/39607
6695         PR rtl-optimization/39631
6696
6697         Revert:
6698
6699         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6700         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6701         instead of DF_LR_OUT.
6702         * ira-lives.c (process_bb_node_lives): Ditto.
6703         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6704         instead of DF_LR_{OUT,IN}.
6705         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6706         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6707
6708 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6709
6710         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6711         (execute_lower_omp): Always run but take the short way out if -fopenmp
6712         is not given.
6713         (gate_lower_omp): Remove, forcing the pass manager to always run the
6714         pass and always set PROP_gimple_lomp.
6715         (pass_lower_omp): Remove gate function.
6716         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6717         PROP_trees.  Instead, require it.
6718         * ipa-cp.c (pass_ipa_cp): Likewise.
6719         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6720         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6721         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6722         and PROP_gimple_leh.
6723
6724 2009-04-03  Richard Guenther  <rguenther@suse.de>
6725
6726         PR middle-end/13146
6727         PR tree-optimization/23940
6728         PR tree-optimization/33237
6729         PR middle-end/33974
6730         PR middle-end/34093
6731         PR tree-optimization/36201
6732         PR tree-optimization/36230
6733         PR tree-optimization/38049
6734         PR tree-optimization/38207
6735         PR tree-optimization/38230
6736         PR tree-optimization/38301
6737         PR tree-optimization/38585
6738         PR middle-end/38895
6739         PR tree-optimization/38985
6740         PR tree-optimization/39299
6741         * tree-ssa-structalias.h: Remove.
6742         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6743         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6744         (struct vuse_element_d): Remove.
6745         (struct vuse_vec_d): Likewise.
6746         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6747         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6748         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6749         VUSE_ELEMENT_VAR): Likewise.
6750         (struct voptype_d): Likewise.
6751         (NUM_VOP_FREE_BUCKETS): Likewise.
6752         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6753         (struct stmt_operands_d): Remove.
6754         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6755         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6756         VDEF_NUM, VDEF_VECT): Likewise.
6757         (copy_virtual_operands): Remove.
6758         (operand_build_cmp): Likewise.
6759         (create_ssa_artificial_load_stmt): Likewise.
6760         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6761         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6762         vuse_index and mayuse_index members.  Pack and move done and iter_type
6763         members to the front.
6764         (SSA_OP_VMAYUSE): Remove.
6765         (SSA_OP_VIRTUAL_USES): Adjust.
6766         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6767         (unlink_stmt_vdef): Declare.
6768         (add_to_addressable_set): Remove.
6769         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6770         (vrp_visit_stmt): Likewise.
6771         * doc/tree-ssa.texi (Alias analysis): Update.
6772         * doc/invoke.texi (max-aliased-vops): Remove docs.
6773         (avg-aliased-vops): Likewise.
6774         * tree-into-ssa.c (syms_to_rename): Remove.
6775         (need_to_update_vops_p): Likewise.
6776         (need_to_initialize_update_ssa_p): Rename to ...
6777         (update_ssa_initialized_fn): ... this.  Track function we are
6778         initialized for.
6779         (symbol_marked_for_renaming): Simplify.
6780         (add_new_name_mapping): Do not set need_to_update_vops_p.
6781         (dump_currdefs): Use SYMS_TO_RENAME.
6782         (rewrite_update_stmt): Always walk all uses/defs.
6783         (dump_update_ssa): Adjust.
6784         (init_update_ssa): Take function argument.  Track what we are
6785         initialized for.
6786         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6787         (create_new_def_for): Initialize for cfun, assert we are initialized
6788         for cfun.
6789         (mark_sym_for_renaming): Simplify.
6790         (mark_set_for_renaming): Do not initialize update-ssa.
6791         (need_ssa_update_p): Simplify.  Take function argument.
6792         (name_mappings_registered_p): Assert we ask for the correct function.
6793         (name_registered_for_update_p): Likewise.
6794         (ssa_names_to_replace): Likewise.
6795         (release_ssa_name_after_update_ssa): Likewise.
6796         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6797         (dump_decl_set): Do not print a newline.
6798         (debug_decl_set): Do it here.
6799         (dump_update_ssa): And here.
6800         * tree-ssa-loop-im.c (move_computations): Adjust.
6801         (movement_possibility): Likewise.
6802         (determine_max_movement): Likewise.
6803         (gather_mem_refs_stmt): Likewise.
6804         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6805         or NAME_MEMORY_TAG.
6806         * tree-complex.c (update_all_vops): Remove.
6807         (expand_complex_move): Adjust.
6808         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6809         Simplify test for memory referencing statement.  Exclude
6810         non-invariant ADDR_EXPRs.
6811         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6812         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6813         (rdg_flag_uses): Likewise.
6814         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6815         related code.
6816         (tree_optimize_tail_calls_1): Also split the
6817         edge from the entry block if we have degenerate PHI nodes in
6818         the first basic block.
6819         * tree.c (init_ttree): Remove memory-tag related code.
6820         (tree_code_size): Likewise.
6821         (tree_node_structure): Likewise.
6822         (build7_stat): Re-write to be build6_stat.
6823         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6824         (SSA_VAR_P): Adjust.
6825         (struct tree_memory_tag): Remove.
6826         (struct tree_memory_partition_tag): Likewise.
6827         (union tree_node): Adjust.
6828         (build7): Re-write to be build6.
6829         * tree-pass.h (pass_reset_cc_flags): Remove.
6830         (TODO_update_address_taken): New flag.
6831         (pass_simple_dse): Remove.
6832         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6833         * params.h (MAX_ALIASED_VOPS): Remove.
6834         (AVG_ALIASED_VOPS): Likewise.
6835         * omp-low.c (expand_omp_taskreg): Update SSA form.
6836         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6837         aliases the lhs in a copy stmt.
6838         * tree-ssa-dse.c (struct address_walk_data): Remove.
6839         (memory_ssa_name_same): Likewise.
6840         (memory_address_same): Likewise.
6841         (get_kill_of_stmt_lhs): Likewise.
6842         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6843         unused stores.  Look through PHI nodes into post-dominated regions.
6844         (dse_optimize_stmt): Simplify.  Properly remove stores.
6845         (tree_ssa_dse): Compute dominators.
6846         (execute_simple_dse): Remove.
6847         (pass_simple_dse): Likewise.
6848         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6849         gimple_loaded_syms and gimple_stored_syms computation.
6850         * toplev.c (dump_memory_report): Dump alias and pta stats.
6851         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6852         (vn_reference_eq): Likewise.
6853         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6854         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6855         valueize_vuses): Remove.
6856         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6857         (get_def_ref_stmt_vuse): ... this.
6858         (vn_reference_lookup_2): New function.
6859         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6860         walking equivalent vuses.  Simplify.
6861         (vn_reference_lookup): Likewise.
6862         (vn_reference_insert): Likewise.
6863         (vn_reference_insert_pieces): Likewise.
6864         (visit_reference_op_call): Simplify.
6865         (visit_reference_op_load): Likewise.
6866         (visit_reference_op_store): Likewise.
6867         (init_scc_vn): Remove shared_lookup_vuses initialization.
6868         (free_scc_vn): Remove shared_lookup_vuses freeing.
6869         (sort_vuses, sort_vuses_heap): Remove.
6870         (get_ref_from_reference_ops): Export.
6871         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6872         vector with single vuse pointer.
6873         (vn_reference_lookup_pieces, vn_reference_lookup,
6874         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6875         (shared_vuses_from_stmt): Remove.
6876         (get_ref_from_reference_ops): Declare.
6877         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6878         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6879         memory-tag related code.
6880         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6881         (likely_value): Add comment, skip static-chain of call statements.
6882         (surely_varying_stmt_p): Adjust.
6883         (gimplify_and_update_call_from_tree): Likewise.
6884         (execute_fold_all_builtins): Do not rebuild alias info.
6885         (gimplify_and_update_call_from_tree): Properly update VOPs.
6886         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6887         (copy_ref_info): Remove memory-tag related code.
6888         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6889         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6890         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6891         computation.
6892         * tree-ssa-dom.c (gimple_p): Remove typedef.
6893         (eliminate_redundant_computations): Adjust.
6894         (record_equivalences_from_stmt): Likewise.
6895         (avail_expr_hash): Likewise.
6896         (avail_expr_eq): Likewise.
6897         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6898         (stmt_makes_single_load): Likewise.
6899         (stmt_makes_single_store): Likewise.
6900         * tree-ssa-alias.c: Rewrite completely.
6901         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6902         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6903         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6904         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6905         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6906         Remove public functions.
6907         (pass_reset_cc_flags): Remove.
6908         (pass_build_alias): Move ...
6909         * tree-ssa-structalias.c (pass_build_alias): ... here.
6910         * tree-ssa-alias.c (may_be_aliased): Move ...
6911         * tree-flow-inline.h (may_be_aliased): ... here.
6912         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6913         count_uses_and_derefs): Move ...
6914         * gimple.c: ... here.
6915         * gimple.h (count_uses_and_derefs): Declare.
6916         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6917         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6918         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6919         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6920         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6921         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6922         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6923         New functions.
6924         * tree-dfa.c (refs_may_alias_p): Move ...
6925         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6926         * tree-ssa-alias.h: New file.
6927         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6928         (statement_sink_location): Likewise.
6929         * opts.c (decode_options): Do not adjust max-aliased-vops or
6930         avg-aliased-vops values.
6931         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6932         (TV_CALL_CLOBBER): Likewise.
6933         (TV_FLOW_SENSITIVE): Likewise.
6934         (TV_FLOW_INSENSITIVE): Likewise.
6935         (TV_MEMORY_PARTITIONING): Likewise.
6936         (TV_ALIAS_STMT_WALK): New timevar.
6937         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6938         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6939         (get_address_description): Remove memory-tag related code.
6940         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6941         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6942         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6943         and immediate uses in statements.  Document.
6944         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6945         (dump_symbols): Remove.
6946         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6947         * alias.c (get_deref_alias_set): New function split out from ...
6948         (get_alias_set): ... here.
6949         * alias.h (get_deref_alias_set): Declare.
6950         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6951         type parameter.  Remove restrict pointer handling.  Create a
6952         ref-all pointer in case type-based alias sets do not conflict.
6953         (vect_analyze_data_refs): Remove SMT related code.
6954         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6955         (vectorizable_load): Likewise.
6956         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6957         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6958         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6959         Ignore vops and SMTs.
6960         (dr_analyze_alias): Likewise..
6961         (free_data_ref): Likewise.
6962         (create_data_ref): Likewise.
6963         (analyze_all_data_dependences): Likewise.
6964         (get_references_in_stmt): Adjust.
6965         * tree-flow-inline.h (gimple_aliases_computed_p,
6966         gimple_addressable_vars, gimple_call_clobbered_vars,
6967         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6968         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6969         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6970         gimple_mem_ref_stats): Remove.
6971         (gimple_vop): New function.
6972         (op_iter_next_use): Remove vuses and mayuses cases.
6973         (op_iter_next_def): Remove vdefs case.
6974         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6975         (clear_and_done_ssa_iter): Do not set removed fields.
6976         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6977         Assert we are not iterating over vuses or vdefs if not also
6978         iterating over uses or defs.
6979         (op_iter_init_use): Likewise.
6980         (op_iter_init_def): Likewise.
6981         (op_iter_next_vdef): Remove.
6982         (op_iter_next_mustdef): Likewise.
6983         (op_iter_init_vdef): Likewise.
6984         (compare_ssa_operands_equal): Likewise.
6985         (link_use_stmts_after): Handle vuse operand.
6986         (is_call_used): Use is_call_clobbered.
6987         (is_call_clobbered): Global variables are always call clobbered,
6988         query the call-clobbers bitmap.
6989         (mark_call_clobbered): Ignore global variables.
6990         (clear_call_clobbered): Likewise.
6991         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6992         virtual operands sanity check.
6993         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6994         Remove.
6995         (TARGET_MEM_REF): Remove TMR_TAG operand.
6996         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6997         Remove call-clobber related code.
6998         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6999         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7000         partitions or escape reason.
7001         (get_single_def_stmt, get_single_def_stmt_from_phi,
7002         get_single_def_stmt_with_phi): Remove.
7003         (dump_referenced_vars): Tidy.
7004         (get_ref_base_and_extent): Allow bare decls.
7005         (collect_dfa_stats): Adjust.
7006         * graphite.c (rename_variables_in_stmt): Adjust.
7007         (graphite_copy_stmts_from_block): Likewise.
7008         (translate_clast): Likewise.
7009         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7010         (EXPR_DIES): New.
7011         (translate_vuse_through_block): Use the oracle.
7012         (phi_translate_1): Adjust.
7013         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7014         in EXPR_DIES.
7015         (valid_in_sets): Check if the VUSE for
7016         a REFERENCE is available.
7017         (eliminate): Do not remove stmts during elimination,
7018         instead queue and remove them afterwards.
7019         (do_pre): Do not rebuild alias info.
7020         (pass_pre): Run TODO_rebuild_alias before PRE.
7021         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7022         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7023         (mark_all_v_defs_stmt): Remove.
7024         (mark_all_v_defs_seq): Adjust.
7025         (sra_replace): Likewise.
7026         (scalarize_use): Likewise.
7027         (scalarize_copy): Likewise.
7028         (scalarize_init): Likewise.
7029         (scalarize_ldst): Likewise.
7030         (todoflags): Remove.
7031         (tree_sra): Do not rebuild alias info.
7032         (tree_sra_early): Adjust.
7033         (pass_sra): Run TODO_update_address_taken before SRA.
7034         * tree-predcom.c (set_alias_info): Remove.
7035         (prepare_initializers_chain): Do not call it.
7036         (mark_virtual_ops_for_renaming): Adjust.
7037         (mark_virtual_ops_for_renaming_list): Remove.
7038         (initialize_root_vars): Adjust.
7039         (initialize_root_vars_lm): Likewise.
7040         (prepare_initializers_chain): Likewise.
7041         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7042         (may_propagate_copy_into_stmt): Likewise.
7043         (merge_alias_info): Do nothing for now.
7044         (propagate_tree_value_into_stmt): Adjust.
7045         (stmt_may_generate_copy): Likewise.
7046         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7047         not mark symbols for renaming.
7048         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7049         with the same statement, make sure to update the new pointed-to one.
7050         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7051         call statements, do not mark symbols for renaming.
7052         (mark_operand_necessary): Dump something.
7053         (ref_may_be_aliased): New function.
7054         (mark_aliased_reaching_defs_necessary_1): New helper function.
7055         (mark_aliased_reaching_defs_necessary): Likewise.
7056         (mark_all_reaching_defs_necessary_1): Likewise.
7057         (mark_all_reaching_defs_necessary): Likewise.
7058         (propagate_necessity): Do not process virtual PHIs.  For
7059         non-aliased loads mark all reaching definitions as necessary.
7060         For aliased loads and stores mark the immediate dominating
7061         aliased clobbers as necessary.
7062         (visited): New global static.
7063         (perform_tree_ssa_dce): Free visited bitmap after propagating
7064         necessity.
7065         (remove_dead_phis): Perform simple dead virtual PHI removal.
7066         (remove_dead_stmt): Properly unlink virtual operands when
7067         removing stores.
7068         (eliminate_unnecessary_stmts): Schedule PHI removal after
7069         stmt removal.
7070         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7071         (process_replaceable): Likewise.
7072         (find_replaceable_in_bb): Likewise.
7073         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7074         based on the single gimple vop.
7075         (verify_flow_insensitive_alias_info): Remove.
7076         (verify_flow_sensitive_alias_info): Likewise.
7077         (verify_call_clobbering): Likewise.
7078         (verify_memory_partitions): Likewise.
7079         (verify_alias_info): Likewise.
7080         (verify_ssa): Adjust..
7081         (execute_update_addresses_taken): Export.  Update SSA
7082         manually.  Optimize only when optimizing.  Use a local bitmap.
7083         (pass_update_address_taken): Remove TODO_update_ssa, add
7084         TODO_dump_func.
7085         (pass_update_address_taken): Just use TODO_update_address_taken.
7086         (init_tree_ssa): Do not initialize addressable_vars.
7087         (verify_ssa): Verify new VUSE / VDEF properties.
7088         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7089         Do not call verify_alias_info.
7090         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7091         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7092         and callused solutions.  Do not free addressable_vars.
7093         Remove memory-tag related code.
7094         (warn_uninitialized_var): Aliases are always available.
7095         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7096         * lambda-code.c (can_put_in_inner_loop): Adjust.
7097         (can_put_after_inner_loop): Likewise.
7098         (perfect_nestify): Likewise.
7099         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7100         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7101         (vectorizable_conversion): Do not mark symbols for renaming.
7102         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7103         (expand_call_inline): Unlink the calls virtual operands before
7104         replacing it.
7105         (tree_function_versioning): Do not call update_ssa if we are not
7106         updating clones.  Simplify.
7107         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7108         (propagate_with_phi): Likewise..
7109         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7110         clobber code.  Assert we are not aliased or global.
7111         * tree-flow.h: Include tree-ssa-alias.h
7112         (enum escape_type): Remove.
7113         (struct mem_sym_stats_d): Likewise.
7114         (struct mem_ref_stats_d): Likewise.
7115         (struct gimple_df): Add vop member.  Remove global_var,
7116         call_clobbered_vars, call_used_vars, addressable_vars,
7117         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7118         escaped and callused members.
7119         (struct ptr_info_def): Remove all members, add points-to solution
7120         member pt.
7121         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7122         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7123         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7124         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7125         (tree-ssa-alias.o): Likewise.
7126         (toplev.o): Add tree-ssa-alias.h
7127         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7128         * gimple.c (gimple_set_bb): Fix off-by-one error.
7129         (is_gimple_reg): Do not handle memory tags.
7130         (gimple_copy): Also copy virtual operands.
7131         Delay updating the statement.  Do not reset loaded and stored syms.
7132         (gimple_set_stored_syms): Remove.
7133         (gimple_set_loaded_syms): Likewise.
7134         (gimple_call_copy_skip_args): Copy the virtual operands
7135         and mark the new statement modified.
7136         * tree-ssa-structalias.c (may_alias_p): Remove.
7137         (set_uids_in_ptset): Take the alias set to prune with as
7138         parameter.  Fold in the alias test of may_alias_p.
7139         (compute_points_to_sets): Compute whether a ptr is dereferenced
7140         in a local sbitmap.
7141         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7142         other ADDRESSOF constraints on the lhs.
7143         (get_constraint_for_component_ref): Assert that we don't get
7144         ADDRESSOF constraints from the base of the reference.
7145         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7146         (struct variable_info): Remove collapsed_to member.
7147         (get_varinfo_fc): Remove.
7148         (new_var_info): Do not set collapsed_to.
7149         (dump_constraint): Do not follow cycles.
7150         (dump_constraint_graph): Likewise.
7151         (build_pred_graph): Likewise.
7152         (build_succ_graph): Likewise.
7153         (rewrite_constraints): Likewise.
7154         (do_simple_structure_copy): Remove.
7155         (do_rhs_deref_structure_copy): Remove.
7156         (do_lhs_deref_structure_copy): Remove.
7157         (collapse_rest_of_var): Remove.
7158         (do_structure_copy): Re-implement.
7159         (pta_stats): New global variable.
7160         (dump_pta_stats): New function.
7161         (struct constraint_expr): Make offset signed.
7162         (UNKNOWN_OFFSET): Define special value.
7163         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7164         (solution_set_expand): New helper function split out from ...
7165         (do_sd_constraint): ... here.
7166         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7167         (do_ds_constraint): Likewise.
7168         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7169         and CALLUSED = *CALLUSED.
7170         (set_union_with_increment): Make inc argument signed.
7171         (type_safe): Remove.
7172         (get_constraint_for_ptr_offset): Handle unknown and negative
7173         constant offsets.
7174         (first_vi_for_offset): Handle offsets before start.  Bail
7175         out early for offsets beyond the variable extent.
7176         (first_or_preceding_vi_for_offset): New function.
7177         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7178         Together with ESCAPED = *ESCAPED this properly computes reachability.
7179         (find_what_var_points_to): New function.
7180         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7181         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7182         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7183         pt_solutions_intersect): New functions.
7184         (compute_call_used_vars): Remove.
7185         (compute_may_aliases): New main entry into PTA computation.
7186         * gimple.h (gimple_p): New typedef.
7187         (struct gimple_statement_base): Remove references_memory_p.
7188         (struct gimple_statement_with_memory_ops_base): Remove
7189         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7190         members.
7191         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7192         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7193         gimple_set_references_memory): Remove.
7194         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7195         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7196         New functions.
7197         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7198         (verify_expr): Allow RESULT_DECL.
7199         (gimple_duplicate_bb): Do not copy virtual operands.
7200         (gimple_duplicate_sese_region): Adjust.
7201         (gimple_duplicate_sese_tail): Likewise.
7202         (mark_virtual_ops_in_region): Remove.
7203         (move_sese_region_to_fn): Do not call it.
7204         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7205         and pass_simple_dse.
7206         (execute_function_todo): Handle TODO_update_address_taken,
7207         call execute_update_addresses_taken for TODO_rebuild_alias.
7208         (execute_todo): Adjust.
7209         (execute_one_pass): Init dump files early.
7210         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7211         call-clobbered.
7212         (create_general_new_stmt): Clear vops.
7213         * tree-ssa-reassoc.c (get_rank): Adjust.
7214         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7215         symbols for renaming.
7216         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7217         (PARAM_AVG_ALIASED_VOPS): Likewise.
7218         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7219         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7220         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7221         (operand_build_cmp, copy_virtual_operands,
7222         create_ssa_artificial_load_stmt, add_to_addressable_set,
7223         gimple_add_to_addresses_taken): Remove public functions.
7224         (unlink_stmt_vdef): New function.
7225
7226 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7227
7228         * config.gcc (powerpc-*-linux*): Merge variants.
7229
7230 2009-04-02  Chao-ying Fu  <fu@mips.com>
7231             James Grosbach  <james.grosbach@microchip.com>
7232
7233         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7234         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7235         cop0_sp_offset.
7236         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7237         keep_interrupts_masked_p, use_debug_exception_return_p.
7238         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7239         keep_interrupts_masked, use_debug_exception_return.
7240         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7241         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7242         New functions.
7243         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7244         (mips_print_operand): Process COP0 registers to print $0 .. $31
7245         correctly for GAS to process.
7246         (mips_interrupt_extra_call_saved_reg_p): New function.
7247         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7248         extra registers.
7249         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7250         (mips_compute_frame_info): Add supports for interrupt context that
7251         includes doubleword accumulators and COP0 registers.
7252         (mips_for_each_saved_acc): New function.
7253         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7254         mips_for_each_saved_reg.
7255         (mips_save_reg): Save accumulators.
7256         (mips_kernel_reg_p): A new for_each_rtx callback.
7257         (mips_expand_prologue): Support interrupt handlers.
7258         (mips_restore_reg): Restore accumulators.
7259         (mips_expand_epilogue): Support interrupt handlers.
7260         (mips_can_use_return_insn): Return false for interrupt handlers.
7261         (mips_epilogue_uses): New function.
7262         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7263         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7264         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7265         cop0_move): New instructions.
7266         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7267         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7268         defines.
7269         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7270         New defines.
7271         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7272         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7273         interrupt handlers, we use K0 as the temporary register.
7274         (EPILOGUE_USES): Change to a function call.
7275         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7276         handlers, we use K0 as the temporary register.
7277
7278         * doc/extend.texi (Function Attributes): Document interrupt,
7279         use_shadow_register_set, keep_interrupts_masked,
7280         use_debug_exception_return for MIPS attributes.
7281
7282 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7283
7284         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7285         Remove a number of t-files from tmake_file.
7286         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7287         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7288         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7289         target_prototype, not TARGET_PROTOTYPE.
7290         (LINK_OS_GNU_SPEC): Define.
7291         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7292         and darwin-ldoubdle.c.
7293
7294 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7295
7296         PR driver/39293
7297         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7298         (cpp_options): Ditto.
7299         (default_compilers): Ditto.
7300         (display_help): Ditto.
7301         (process_command): Ditto.
7302         (do_spec_1): Ditto.
7303         (set_input): Use lbasename instead of duplicate code.
7304         (save_temps_prefix): New static for -save-temps=obj.
7305         (save_temps_length): Ditto.
7306
7307         * doc/invoke.texi (-save-temps=obj): Document new variant to
7308         -save-temps switch.
7309
7310 2009-04-02  Jeff Law  <law@redhat.com>
7311
7312         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7313         variable.
7314
7315 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7316
7317         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7318         * configure: Regenerated.
7319
7320 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7321
7322         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7323         share the argument list.
7324
7325 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7326
7327         Merge
7328
7329         2009-02-12  Diego Novillo  <dnovillo@google.com>
7330
7331         * varpool.c (debug_varpool): New.
7332         * cgraph.h (debug_varpool): Declare.
7333
7334 2009-04-02  Jan Hubicka  <jh@suse.cz>
7335
7336         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7337         pass.
7338
7339 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7340
7341         * config/i386/i386.c (ix86_abi): Move initialization to ...
7342         (override_options): Here.
7343
7344 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7345
7346         * config/sh/sh.c (sh_dwarf_register_span): New function.
7347         (TARGET_DWARF_REGISTER_SPAN): Define.
7348         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7349
7350 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7351
7352         PR tree-optimization/39595
7353         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7354         interleaved loads group is not  greater than the SLP group size.
7355
7356 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7357
7358         * builtins.c (is_builtin_name): New.
7359         (called_as_built_in): Use is_builtin_name.
7360         * tree.h (is_builtin_name): New.
7361         * varasm.c (incorporeal_function_p): Use is_builtin_name
7362
7363 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7364
7365         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7366
7367 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7368
7369         PR c++/26693
7370         * c-decl.c (clone_underlying_type): Move this ...
7371         * c-common.c (set_underlying_type): ... here.
7372         Also, make sure the function properly sets TYPE_STUB_DECL() on
7373         the newly created typedef variant type.
7374         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7375         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7376         points.
7377
7378 2009-04-02  Richard Guenther  <rguenther@suse.de>
7379
7380         PR tree-optimization/37221
7381         * tree-flow.h (degenerate_phi_result): Declare.
7382         * tree-ssa-dom.c (degenerate_phi_result): Export.
7383         * tree-scalar-evolution.c (analyze_initial_condition): If
7384         the initial condition is defined by a degenerate PHI node
7385         use the degenerate value.
7386
7387 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7388
7389         PR rtl-optimization/39588
7390         * combine.c (merge_outer_ops): Do not set the constant when this
7391         is not necessary.
7392         (simplify_shift_const_1): Do not modify it either in this case.
7393
7394 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7395
7396         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7397         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7398
7399 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7400
7401         PR c/29027
7402         * c-lex.c (interpret_float): Default (no suffix) is double.
7403
7404 2009-04-1  Xinliang David Li  <davidxl@google.com>
7405
7406         * config/i386/i386.c (legitimate_constant_p): Recognize
7407         all one vector constant.
7408
7409 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7410
7411         * config/vax/vax.c: Add #includes to silence warnings.
7412         Change #include order to silence two warnings.
7413
7414 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7415
7416         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7417         (ASM_SPEC): Pass -k to the assembler for PIC code.
7418
7419 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7420
7421         * config.gcc: Add vax-*-linux* to the switch.
7422         * config/vax/linux.h: New file. (TARGET_VERSION,
7423         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7424
7425 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7426
7427         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7428         Use predicate macros instead of GET_CODE() == foo.
7429         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7430         ashlsi3, rotrsi3, <unnamed>): Likewise.
7431
7432 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7433
7434         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7435         jbbccihi, jbbccisi): Remova trailing whitespace.
7436         * config/vax/constraints.md: Likewise.
7437         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7438         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7439         * config/vax/predicates.md: Likewise.
7440         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7441         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7442         * config/vax/vax.h: Likewise.
7443         * config/vax/vax.md (nonlocal_goto): Likewise.
7444
7445 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7446
7447         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7448         (indirectable_address_p, adjacent_operands_p): Add spaces around
7449         braces.
7450         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7451
7452 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7453
7454         * config/vax/vax.c (legitimate_constant_address_p,
7455         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7456         index_term_p, reg_plus_index_p, legitimate_address_p,
7457         vax_mode_dependent_address_p): Update comments to match functions
7458         modified by the recent int->bool conversion.
7459
7460 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7461
7462         * config/vax/builtins.md: Update copyright message.
7463         * config/vax/constraints.md: Likewise.
7464         * config/vax/netbsd-elf.h: Likewise.
7465         * config/vax/predicates.md: Likewise.
7466         * config/vax/vax-protos.h: Likewise.
7467         * config/vax/vax.c: Likewise.
7468         * config/vax/vax.h: Likewise.
7469         * config/vax/vax.md: Likewise.
7470         * config/vax/vax.opt: Likewise.
7471
7472 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7473
7474         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7475         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7476         * config/vax/constraints.md (B, R): Likewise.
7477         * config/vax/predicates.md (external_memory_operand,
7478         nonimmediate_addsub_di_operand): Likewise.
7479         * config/vax/vax.c (vax_output_int_add): Likewise.
7480         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7481         untyped_call): Likewise.
7482
7483 2009-04-01  Matt Thomas  <matt@3am-software.com>
7484
7485         * config/vax/predicates.md: New file.
7486         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7487         external_const_operand, nonsymbolic_operand, external_memory_operand,
7488         indirect_memory_operand, indexed_memory_operand,
7489         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7490         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7491         predicate.
7492         * config/vax/constraints.md: New file.
7493         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7494         New constraint.
7495         * config/vax/builtins.md: New file.
7496         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7497         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7498         jbbccisi): Define.
7499         * config/vax/vax.opt (mqmath): Add option.
7500         * config/vax/vax.md (isfx): Extend with DI.
7501         (VAXintQH, VAXintQHSD): Define.
7502         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7503         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7504         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7505         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7506         (movdi): Update constraints and use vax_output_int_move().
7507         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7508         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7509         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7510         nonlocal_goto): New.
7511         (mov<mode>): Extend accepted operand types.
7512         (subdi3_old): Rename from subdi3, change update constraints and use
7513         a new implementation.
7514         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7515         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7516         MOVE_RATIO, CLEAR_RATIO): Define.
7517         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7518         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7519         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7520         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7521         (split_quadword_operands): Make static and really allow variable
7522         splitting.
7523         (print_operand_address): Update for PIC generation.
7524         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7525         indexable_address_p, fixup_mathdi_operand,
7526         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7527         (vax_float_literal, legitimate_constant_p,
7528         indirectable_constant_address_p, index_term_p,
7529         reg_plus_index_p): Return bool instead of int.
7530         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7531         where needed.
7532         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7533         generation.
7534         (vax_output_conditional_branch): Indent.
7535         (legitimate_constant_address_p, indirectable_constant_address_p,
7536         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7537         vax_mode_dependent_address_p): Return bool instead of int, update for
7538         PIC generation.
7539         * config/vax/vax-protos.h (legitimate_constant_address_p,
7540         legitimate_constant_p, legitimate_address_p,
7541         vax_mode_dependent_address_p): Change declaration to bool.
7542         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7543         vax_expand_addsub_di_operands, vax_output_int_subtract,
7544         vax_output_movmemsi): Declare.
7545         (split_quadword_operands, vax_float_literal): Delete declaration.
7546         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7547         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7548         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7549         ASM_OUTPUT_DWARF_PCREL): Define.
7550         (ASM_SPEC): Change definition to allow PIC generation.
7551
7552 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7553
7554         * doc/sourcebuild.texi: Update front-end requirements.
7555
7556 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7557
7558         PR target/39226
7559         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7560         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7561         (booldi3_internal3): Use boolean_or_operator instead of
7562         boolean_operator.
7563
7564 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7565
7566         PR c/39605
7567         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7568         declarator whose size is not an integer constant expression but
7569         folds to an integer constant, then treat it as a constant
7570         subsequently.
7571
7572 2009-04-01  Richard Guenther  <rguenther@suse.de>
7573
7574         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7575         i * 4 + 2 to (i * 2 + 1) * 2.
7576
7577 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7578
7579         PR c/37772
7580         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7581         return if c_parser_asm_string_literal returned NULL.
7582
7583 2009-04-01  Nick Clifton  <nickc@redhat.com>
7584
7585         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7586         already defined.
7587         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7588         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7589         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7590         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7591         include it.
7592         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7593         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7594         then include it.
7595
7596 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7597
7598         * varasm.c (default_function_rodata_section): Declare DOT as
7599         const char*.
7600
7601 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7602             Andrey Galkin  <agalkin@hypercom.com>
7603
7604         PR/39492
7605         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7606         Make object_name unique for each process.
7607
7608 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7609
7610         PR other/39591
7611         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7612         addressable variables in the parallel that could go out of scope while
7613         running queued tasks.
7614
7615 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7616
7617         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7618         (CASE_VALUES_THRESHOLD): Redefine.
7619         * config/avr/avr.c (avr_override_options): Remove initialization of
7620         avr_case_values_threshold variable.
7621         (avr_case_values_threshold): Remove variable. Add new function.
7622         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7623         * config/avr/avr.opt (mno-tablejump): Remove option.
7624         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7625
7626 2009-04-01  DJ Delorie  <dj@redhat.com>
7627
7628         * varasm.c (default_function_rodata_section): Don't assume
7629         anything about where the first '.' in the section name is.
7630
7631 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7632
7633         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7634         rs6000_emit_stack_tie.
7635
7636 2009-03-31  Ian Lance Taylor  <iant@google.com>
7637
7638         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7639         gimple_code with GIMPLE_RESX, not RESX.
7640
7641 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7642
7643         * c-common.c (c_get_ident): New.
7644         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7645
7646 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7647
7648         * config/rs6000/sysv4.opt (msdata): Improve option description.
7649
7650 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7651
7652         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7653         (divdf3_internal_lat): Remove.
7654         (divxf3_internal_lat): Remove.
7655         (divxf3_internal_thr): Remove.
7656         (divxf): Use divxf3_internal.
7657         * config/ia64/div.md (divsf3_internal_lat): New.
7658         (divdf3_internal_lat): New.
7659         (divxf3_internal): New.
7660
7661 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7662
7663         PR c/448
7664         * Makefile.in (USE_GCC_STDINT): Define.
7665         (stmp-int-hdrs): Install stdint.h if applicable.
7666         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7667         if known.
7668         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7669         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7670         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7671         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7672         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7673         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7674         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7675         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7676         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7677         (c_common_nodes_and_builtins): Initialize
7678         underlying_wchar_type_node.  Do not initialize
7679         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7680         nodes for new types.
7681         (c_stddef_cpp_builtins): Define macros for new types.
7682         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7683         Remove.
7684         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7685         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7686         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7687         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7688         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7689         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7690         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7691         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7692         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7693         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7694         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7695         int16_type_node, int32_type_node, int64_type_node,
7696         uint8_type_node, uint16_type_node, c_uint32_type_node,
7697         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7698         int_least32_type_node, int_least64_type_node,
7699         uint_least8_type_node, uint_least16_type_node,
7700         uint_least32_type_node, uint_least64_type_node,
7701         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7702         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7703         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7704         uintptr_type_node): Define.
7705         * c-cppbuiltin.c (builtin_define_constants,
7706         builtin_define_type_minmax): New.
7707         (builtin_define_stdint_macros): Define more macros.
7708         (c_cpp_builtins): Define more limit macros.
7709         (type_suffix): New.
7710         (builtin_define_type_max): Define in terms of
7711         builtin_define_type_minmax.  Remove is_long parameter.  All
7712         callers changed.
7713         * config.gcc (use_gcc_stdint): Define.
7714         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7715         Add newlib-stdint.h for generic targets.
7716         * config/glibc-stdint.h, config/newlib-stdint.h,
7717         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7718         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7719         * config/score/score.h (UINTPTR_TYPE): Define.
7720         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7721         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7722         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7723         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7724         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7725         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7726         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7727         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7728         * config/spu/spu.h (STDINT_LONG32): Define.
7729         * configure.ac (use_gcc_stdint): Substitute.
7730         * configure: Regenerate.
7731         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7732         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7733         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7734         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7735         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7736         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7737         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7738         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7739         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7740         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7741         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7742         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7743         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7744         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7745         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7746         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7747         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7748         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7749         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7750         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7751         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7752         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7753         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7754         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7755         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7756         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7757         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7758         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7759         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7760
7761 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7762
7763         * loop-iv.c (suitable_set_for_replacement): Renamed from
7764         simplify_using_assignment; changed to return bool and to accept new
7765         args DEST and SRC.  Return true iff we find a source/destination pair
7766         that can be used to make a replacement, and fill SRC and DEST if so.
7767         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7768         changed.
7769         (simplify_using_initial_values): Deal with altered regs here and track
7770         more precisely the effect they have on the validity of our expression.
7771
7772         * loop-iv.c (simplify_using_condition): A condition of the form
7773         (EQ REG CONST) can be used to simply make a substitution.
7774         (simplify_using_initial_values): Keep track of conditions we have seen
7775         and keep using them to simplify new expressions, while applying the
7776         same substitutions to them as to the expression.
7777
7778         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7779         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7780         GEU/LTU reversed.
7781
7782         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7783         changed.  Use this when trying to improve the upper bound.
7784         Generate the comparison by using simplify_gen_relational.
7785
7786         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7787
7788         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7789         functions.
7790         (simplify_using_assignment, simplify_using_initial_values): Call
7791         replace_in_expr to make replacements.  Call replace_single_def_regs
7792         once on the initial version of the expression.
7793
7794 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7795
7796         PR target/27237
7797         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7798
7799 2009-03-31  Richard Guenther  <rguenther@suse.de>
7800
7801         PR middle-end/31029
7802         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7803         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7804
7805 2009-03-31  Richard Guenther  <rguenther@suse.de>
7806
7807         * tree.h (div_if_zero_remainder): Declare.
7808         * fold-const.c (div_if_zero_remainder): Export.
7809         * tree-ssa-forwprop.c
7810         (forward_propagate_addr_into_variable_array_index): Handle
7811         constant array index addition outside of the variable index.
7812
7813 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7814
7815         PR target/39592
7816         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7817         define_splits, floatunssi<mode>2): Require x87 conversions from
7818         DImode to be permitted.
7819
7820 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7821
7822         PR preprocessor/15638
7823         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7824
7825 2009-03-31  Richard Guenther  <rguenther@suse.de>
7826
7827         PR middle-end/23401
7828         PR middle-end/27810
7829         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7830         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7831         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7832         a separate statement.
7833         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7834         (lookup_tmp_var): Likewise.
7835         (is_gimple_formal_tmp_or_call_rhs): Remove.
7836         (is_gimple_reg_or_call_rhs): Rename to ...
7837         (is_gimple_reg_rhs_or_call): ... this.
7838         (is_gimple_mem_or_call_rhs): Rename to ...
7839         (is_gimple_mem_rhs_or_call): ... this.
7840         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7841         DECL_GIMPLE_REG_P only if is_formal is true.
7842         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7843         for non-proper post-modify expression gimplification.
7844         (gimplify_self_mod_expr): For post-modify expressions gimplify
7845         the lvalue to a minimal lvalue.
7846         (rhs_predicate_for): Remove formal temp case.
7847         (gimplify_modify_expr_rhs): Likewise.
7848         (gimplify_addr_expr): Use is_gimple_reg.
7849         (gimplify_expr): Remove formal temp cases.
7850         (gimple_regimplify_operands): Likewise.
7851         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7852         and FILTER_EXPR like constants.
7853         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7854         is_gimple_reg.
7855         (is_gimple_formal_tmp_rhs): Remove.
7856         (is_gimple_reg_rhs): Remove special casing.
7857         (is_gimple_mem_rhs): Fix.
7858         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7859         (is_gimple_formal_tmp_var): Remove.
7860         (is_gimple_formal_tmp_reg): Likewise.
7861         (is_gimple_min_lval): Allow invariant component ref parts.
7862         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7863         is_gimple_formal_tmp_reg): Remove declarations.
7864         * tree-cfg.c (verify_expr): Verify that variables with address
7865         taken do not have DECL_GIMPLE_REG_P set.
7866         * tree-mudflap.c (mf_build_check_statement_for): Use
7867         force_gimple_operand instead of gimplify_expr.
7868
7869 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7870
7871         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7872         schedulable rows to compute_split_row.
7873
7874 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7875
7876         PR target/31635
7877         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7878         OPT_mvrsave.
7879
7880 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7881
7882         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7883         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7884         * configure: Regenerate.
7885         * config.in: Regenerate.
7886         * config/rs6000/rs6000.opt (mtls-markers): Add.
7887         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7888         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7889         (tls_ld_aix, tls_ld_sysv): Likewise.
7890         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7891         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7892
7893 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7894
7895         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7896
7897 2009-03-30  Jan Hubicka  <jh@suse.cz>
7898
7899         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7900         out of RESX.
7901         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7902         detection and label handling.
7903
7904 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7905
7906         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7907         left_conflicts_size.
7908         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7909         ALLOCNO_LEFT_CONFLICTS_SIZE.
7910
7911         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7912         remove_allocno_from_bucket_and_push,
7913         allocno_spill_priority_compare, push_allocnos_to_stack,
7914         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7915         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7916         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7917         setup_allocno_left_conflicts_size.
7918         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7919         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7920         setup_allocno_left_conflicts_size instead of
7921         setup_allocno_left_conflicts_num.
7922
7923         * ira-build.c (ira_create_allocno): Use
7924         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7925         ALLOCNO_LEFT_CONFLICTS_NUM.
7926
7927 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7928
7929         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7930         instead of DF_LR_OUT.
7931
7932         * ira-lives.c (process_bb_node_lives): Ditto.
7933
7934         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7935         instead of DF_LR_{OUT,IN}.
7936
7937         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7938
7939         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7940
7941 2009-03-30  Jan Hubicka  <jh@suse.cz>
7942
7943         * except.c (label_to_region_map): Fix thinko.
7944
7945 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7946
7947         PR middle-end/38237
7948         * tree.h (tree_find_value): New declaration.
7949         * tree.c (tree_find_value): New function.
7950         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7951
7952 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7953
7954         PR debug/39563
7955         * c-decl.c (struct c_binding): Add locus field.
7956         (bind): Add locus argument, set locus field from it.
7957         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7958         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7959         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7960         implicitly_declare, undeclared_variable, lookup_label,
7961         declare_label, c_make_fname_decl, c_builtin_function,
7962         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7963         bind callers.
7964
7965 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7966
7967         PR target/38781
7968         * config/i386/i386.c (classify_argument): Check total size of
7969         structure.
7970
7971 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7972
7973         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7974         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7975         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7976         respectively.
7977
7978         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7979         seen_variable_array_ref while also traversing a union.
7980
7981         * tree-inline.c (optimize_inline_calls): Do not call
7982         cgraph_node_remove_callees.
7983         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7984         (pass_remove_cgraph_callee_edges): New variable.
7985         * passes.c (init_optimization_passes): Add
7986         pass_remove_cgraph_callee_edges after early inlining and before all
7987         late intraprocedural passes.
7988
7989         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7990
7991 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7992
7993         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7994         Fix typos in names.
7995
7996 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7997
7998         * combine.c (simplify_comparison): Use have_insn_for.
7999         * dojump.c (do_jump): Likewise.
8000
8001 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8002
8003         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8004         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8005         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8006         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8007         instead of sparc_compare_emitted.
8008         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8009         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8010         instead of sparc_compare_emitted.
8011
8012 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8013
8014         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8015         enter/exit cfglayout mode.
8016         (pass_partition_block): Require it.
8017         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8018         (combine_instructions): Track basic blocks instead of labels.
8019         (update_cfg_for_uncondjump): New.
8020         (try_combine): Use it.  Update jumps after rescanning.
8021         (pass_combine): Require PROP_cfglayout.
8022         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8023
8024 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8025
8026         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8027         Provide/destroy PROP_cfglayout respectively.
8028         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8029         * tree-pass.h (PROP_cfglayout): New.
8030
8031 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8032
8033         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8034         fold_convert_const_fixed_from_fixed,
8035         fold_convert_const_fixed_from_int,
8036         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8037         set TREE_CONSTANT_OVERFLOW.
8038         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8039         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8040
8041 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8042
8043         * tree-vect-loop-manip.c: New file.
8044         * tree-vectorizer.c: Update documentation and included files.
8045         (vect_loop_location): Make extern.
8046         (rename_use_op): Move to tree-vect-loop-manip.c
8047         (rename_variables_in_bb, rename_variables_in_loop,
8048         slpeel_update_phis_for_duplicate_loop,
8049         slpeel_update_phi_nodes_for_guard1,
8050         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8051         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8052         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8053         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8054         find_loop_location): Likewise.
8055         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8056         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8057         get_vectype_for_scalar_type, vect_is_simple_use,
8058         supportable_widening_operation, supportable_narrowing_operation):
8059         Likewise.
8060         (bb_in_loop_p): Move to tree-vect-loop.c.
8061         (new_loop_vec_info, destroy_loop_vec_info,
8062         reduction_code_for_scalar_code, report_vect_op,
8063         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8064         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8065         (vect_supportable_dr_alignment): Likewise.
8066         * tree-vectorizer.h (tree-data-ref.h): Include.
8067         (vect_loop_location): Declare.
8068         Reorganize function declarations according to the new file structure.
8069         * tree-vect-loop.c: New file.
8070         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8071         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8072         * tree-vect-data-refs.c: New file.
8073         * tree-vect-patterns.c (timevar.h): Don't include.
8074         * tree-vect-stmts.c: New file.
8075         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8076         tree-vect-slp.c, tree-vect-loop.c.
8077         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8078         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8079         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8080         (tree-vect-analyze.o): Remove.
8081         (tree-vect-transform.o): Likewise.
8082         (tree-vect-data-refs.o): Add rule.
8083         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8084         tree-vect-slp.o): Likewise.
8085         (tree-vect-patterns.o): Remove redundant dependencies.
8086         (tree-vectorizer.o): Likewise.
8087         * tree-vect-slp.c: New file.
8088
8089 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8090
8091         * optc-gen.awk: Warn if an option flag has multiple different
8092         help strings.
8093
8094 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8095
8096         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8097         -floop-block): Document dependences on PPL, CLooG and Graphite.
8098
8099 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8100
8101         PR rtl-optimization/323
8102         * c-common.c (c_fully_fold, convert_and_check,
8103         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8104         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8105         * c-common.def (EXCESS_PRECISION_EXPR): New.
8106         * c-cppbuiltin.c (builtin_define_float_constants): Define
8107         constants with enough digits for long double.
8108         * c-lex.c (interpret_float): Interpret constant with excess
8109         precision where appropriate.
8110         * c-opts.c (c_common_post_options): Set
8111         flag_excess_precision_cmdline.  Give an error for
8112         -fexcess-precision=standard for C++ for processors where the
8113         option is significant.
8114         * c-parser.c (c_parser_conditional_expression): Handle excess
8115         precision in condition.
8116         * c-typeck.c (convert_arguments): Handle arguments with excess
8117         precision.
8118         (build_unary_op): Move excess precision outside operation.
8119         (build_conditional_expr): Likewise.
8120         (build_compound_expr): Likewise.
8121         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8122         (build_modify_expr): Handle excess precision in RHS.
8123         (convert_for_assignment): Handle excess precision in converted
8124         value.
8125         (digest_init, output_init_element, process_init_element): Handle
8126         excess precision in initializer.
8127         (c_finish_return): Handle excess precision in return value.
8128         (build_binary_op): Handle excess precision in operands and add
8129         excess precision as needed for operation.
8130         * common.opt (-fexcess-precision=): New option.
8131         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8132         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8133         For standard excess precision, output explicit conversion to and
8134         truncation from XFmode.
8135         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8136         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8137         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8138         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8139         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8140         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8141         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8142         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8143         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8144         define_splits, sqrt<mode>2): Disable where appropriate for
8145         standard excess precision.
8146         * convert.c (convert_to_real): Do not shorten arithmetic to type
8147         for which excess precision would be used.
8148         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8149         * doc/invoke.texi (-fexcess-precision=): Document option.
8150         (-mfpmath=): Correct index entry.
8151         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8152         flag_excess_precision): New.
8153         * langhooks.c (lhd_post_options): Set
8154         flag_excess_precision_cmdline.
8155         * opts.c (common_handle_option): Handle -fexcess-precision=.
8156         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8157         init_excess_precision): New.
8158         (lang_dependent_init_target): Call init_excess_precision.
8159         * tree.c (excess_precision_type): New.
8160         * tree.h (excess_precision_type): Declare.
8161
8162 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8163
8164         PR c/35235
8165         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8166         non-lvalue to component.
8167
8168 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8169
8170         PR preprocessor/34695
8171         * Makefile.in (c-opts.o): Depend on c-tree.h.
8172         * c-common.c: Move down include of diagnostic.h.
8173         (done_lexing, c_cpp_error): New.
8174         * c-common.h (done_lexing): Declare.
8175         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8176         (parse_in).
8177         * c-opts.c: Include c-tree.h.
8178         (c_common_init_options): Set preprocessor error callback.
8179         (c_common_handle_option): Do not set preprocessor
8180         inhibit_warnings, warnings_are_errors, warn_system_headers,
8181         pedantic_errors or inhibit_warnings flags.
8182         (c_common_post_options): Do not check cpp_errors (parse_in).
8183         (c_common_finish): Do not output dependencies if there were
8184         errors.  Do not check return value of cpp_finish.
8185         * c-ppoutput.c (pp_file_change): Set input_location.
8186         * c-tree.h (c_cpp_error): Declare.
8187         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8188         override_column.
8189         (diagnostic_build_prefix): Check override_column.
8190         * diagnostic.h (diagnostic_info): Add override_column field.
8191         (diagnostic_override_column): Define.
8192
8193 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8194
8195         * c-common.c (c_expand_expr, c_staticp): Remove.
8196         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8197         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8198         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8199         * c-gimplify.c (gimplify_compound_literal_expr,
8200         optimize_compound_literals_in_ctor): Remove.
8201         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8202         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8203         * c-semantics.c (emit_local_var): Remove.
8204
8205         * langhooks-def.h (lhd_expand_expr): Remove.
8206         * langhooks.c (lhd_expand_expr): Remove.
8207         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8208
8209         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8210         handling from c-semantics.c; don't call into langhook.
8211         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8212         * gimplify.c (gimplify_compound_literal_expr,
8213         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8214         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8215         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8216         as was done in c-gimplify.c.
8217         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8218         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8219         Move from c-common.h.
8220         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8221
8222         * tree.c (staticp): Do not call langhook.
8223         * langhooks.c (lhd_staticp): Delete.
8224         * langhooks-def.h (lhd_staticp): Delete prototype.
8225         (LANG_HOOKS_STATICP): Delete.
8226         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8227
8228         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8229         instead of DECL_STMTs.
8230
8231 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8232
8233         PR c/456
8234         PR c/5675
8235         PR c/19976
8236         PR c/29116
8237         PR c/31871
8238         PR c/35198
8239         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8240         void_type_node.
8241         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8242         contained expression.
8243         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8244         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8245         conditional expressions for C.
8246         (decl_constant_value_for_optimization): Move from
8247         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8248         whether optimizing and that the expression is a VAR_DECL not of
8249         array type instead of doing such checks in the caller.  Do not
8250         check pedantic.  Call gcc_unreachable for C++.
8251         * c-common.def (C_MAYBE_CONST_EXPR): New.
8252         * c-common.h (c_fully_fold, c_save_expr,
8253         decl_constant_value_for_optimization): New prototypes.
8254         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8255         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8256         EXPR_INT_CONST_OPERANDS): Define.
8257         * c-convert.c (convert): Strip nops from expression.
8258         * c-decl.c (groktypename): Take extra parameters expr and
8259         expr_const_operands.  Update call to grokdeclarator.
8260         (start_decl): Update call to grokdeclarator.  Add statement for
8261         expressions used in type of decl.
8262         (grokparm): Update call to grokdeclarator.
8263         (push_parm_decl): Update call to grokdeclarator.
8264         (build_compound_literal): Add parameter non_const and build a
8265         C_MAYBE_COSNT_EXPR if applicable.
8266         (grokdeclarator): Take extra parameters expr and
8267         expr_const_operands.  Track expressions used in declaration
8268         specifiers and declarators.  Fold array sizes and track whether
8269         they are constant expressions and whether they are integer
8270         constant expressions.
8271         (parser_xref_tag): Set expr and expr_const_operands fields in
8272         return value.
8273         (grokfield): Update call to grokdeclarator.
8274         (start_function): Update call to grokdeclarator.
8275         (build_null_declspecs): Set expr and expr_const_operands fields in
8276         return value.
8277         (declspecs_add_type): Handle expressions in typeof specifiers.
8278         * c-parser.c (c_parser_declspecs): Set expr and
8279         expr_const_operands fields for declaration specifiers.
8280         (c_parser_enum_specifier): Likewise.
8281         (c_parser_struct_or_union_specifier): Likewise.
8282         (c_parser_typeof_specifier): Likewise.  Update call to
8283         groktypename.  Fold expression as needed.  Return expressions with
8284         type instead of adding statements.
8285         (c_parser_attributes): Update calls to c_parser_expr_list.
8286         (c_parser_statement_after_labels): Fold expression before passing
8287         to objc_build_throw_stmt.
8288         (c_parser_condition): Fold expression.
8289         (c_parser_asm_operands): Fold expression.
8290         (c_parser_conditional_expression): Use c_save_expr.  Update call
8291         to build_conditional_expr.
8292         (c_parser_alignof_expression): Update call to groktypename.
8293         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8294         original_code.  Fold expression argument of va_arg.  Create
8295         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8296         argument to va_arg.  Update calls to groktypename.  Fold array
8297         index for offsetof.  Verify that first argument to
8298         __builtin_choose_expr has integer type.
8299         (c_parser_postfix_expression_after_paren_type): Update calls to
8300         groktypename and build_compound_literal.  Handle expressions with
8301         side effects in type name.
8302         (c_parser_postfix_expression_after_primary): Update call to
8303         c_parser_expr_list.  Set original_code for calls to
8304         __builtin_constant_p.
8305         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8306         expressions if requested.
8307         (c_parser_objc_type_name): Update call to groktypename.
8308         (c_parser_objc_synchronized_statement): Fold expression.
8309         (c_parser_objc_receiver): Fold expression.
8310         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8311         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8312         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8313         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8314         (struct c_typespec): Add elements expr and expr_const_operands.
8315         (struct c_declspecs): Add elements expr and expr_const_operands.
8316         (groktypename, build_conditional_expr, build_compound_literal):
8317         Update prototypes.
8318         (in_late_binary_op): Declare.
8319         * c-typeck.c (note_integer_operands): New function.
8320         (in_late_binary_op): New variable.
8321         (decl_constant_value_for_broken_optimization): Move to c-common.c
8322         and rename to decl_constant_value_for_optimization.
8323         (default_function_array_conversion): Do not strip nops.
8324         (default_conversion): Do not call
8325         decl_constant_value_for_broken_optimization.
8326         (build_array_ref): Do not fold result.
8327         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8328         result when operand is a VLA.
8329         (c_expr_sizeof_type): Update call to groktypename.  Handle
8330         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8331         result when operand names a VLA type.
8332         (build_function_call): Update call to build_compound_literal.
8333         Only fold result for calls to __builtin_* functions.  Strip
8334         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8335         the function designator.
8336         (convert_arguments): Fold arguments.  Update call to
8337         convert_for_assignment.
8338         (build_unary_op): Handle increment and decrement of
8339         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8340         decrement earlier.  Fold operand of increment and decrement.
8341         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8342         built for integer operand.  Wrap returns that are INTEGER_CSTs
8343         without being integer constant expressions or that have integer
8344         constant operands without being INTEGER_CSTs.
8345         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8346         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8347         result is an integer constant expression or can be used in
8348         unevaluated parts of one and avoid folding and wrap as
8349         appropriate.  Fold operands before possibly doing -Wsign-compare
8350         warnings.
8351         (build_compound_expr): Wrap result for C99 if operands can be used
8352         in integer constant expressions.
8353         (build_c_cast): Update call to digest_init.  Do not ignore
8354         overflow from casting floating-point constants to integers.  Wrap
8355         results that could be confused with integer constant expressions,
8356         null pointer constants or floating-point constants.
8357         (c_cast_expr): Update call to groktypename.  Handle expressions
8358         included in type name.
8359         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8360         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8361         Update calls to convert_for_assignment.
8362         (convert_for_assignment): Take new parameter
8363         null_pointer_constant.  Do not strip nops or call
8364         decl_constant_value_for_broken_optimization.  Set
8365         in_late_binary_op for conversions to boolean.
8366         (store_init_value): Update call to digest_init.
8367         (digest_init): Take new parameter null_pointer_constant.  Do not
8368         call decl_constant_value_for_broken_optimization.  pedwarn for
8369         initializers not constant expressions.  Update calls to
8370         convert_for_assignment.
8371         (constructor_nonconst): New.
8372         (struct constructor_stack): Add nonconst element.
8373         (really_start_incremental_init, push_init_level, pop_init_level):
8374         Handle constructor_nonconst and nonconst element.
8375         (set_init_index): Call constant_expression_warning for array
8376         designators.
8377         (output_init_element): Fold value.  Set constructor_nonconst as
8378         applicable.  pedwarn for initializers not constant expressions.
8379         Update call to digest_init.  Call constant_expression_warning
8380         where constant initializers are required.
8381         (process_init_element): Use c_save_expr.
8382         (c_finish_goto_ptr): Fold expression.
8383         (c_finish_return): Fold return value.  Update call to
8384         convert_for_assignment.
8385         (c_start_case): Fold switch expression.
8386         (c_process_expr_stmt): Fold expression.
8387         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8388         ensure statement expression is not evaluated in constant expression.
8389         (build_binary_op): Track whether results are integer constant
8390         expressions or may occur in such, disable folding and wrap results
8391         as applicable.  Fold operands for -Wsign-compare warnings unless
8392         in_late_binary_op.
8393         (c_objc_common_truthvalue_conversion): Handle results folded to
8394         integer constants that are not integer constant expressions.
8395         * doc/extend.texi: Document when typeof operands are evaluated,
8396         that condition of __builtin_choose_expr is an integer constant
8397         expression, and more about use of __builtin_constant_p in
8398         initializers.
8399
8400 2009-03-29  Richard Guenther  <rguenther@suse.de>
8401
8402         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8403         propagate addresses of array references.
8404
8405 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8406
8407         * regmove.c (perhaps_ends_bb_p): Remove.
8408         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8409         from INSN and check that the main loop stays within that basic block.
8410         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8411         (regmove_forward_pass): Split out from regmove_optimize.  Use
8412         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8413         (regmove_backward_pass): Split out from regmove_optimize.  Use
8414         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8415         (regmove_optimize): Simplify.
8416
8417 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8418
8419         PR target/39545
8420         * config/i386/i386.c (classify_argument): Ignore flexible array
8421         member in struct and warn ABI change.
8422
8423 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8424
8425         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8426
8427         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8428         (ix86_adjust_cost): Updated.
8429
8430 2009-03-29  Jan Hubicka  <jh@suse.cz>
8431
8432         PR middle-end/28850
8433         * tree-pass.h (pass_cleanup_eh): New function.
8434         (remove_unreachable_regions): Break code handling RTL
8435         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8436         that can not be reached by runtime.
8437         (can_be_reached_by_runtime): New function.
8438         (label_to_region_map): New function.
8439         (num_eh_regions): New function.
8440         (rtl_remove_unreachable_regions): New function.
8441         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8442         (remove_eh_region): New function.
8443         * except.h: Include sbitmap and vecprim.
8444         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8445         num_eh_regions): Declare.
8446         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8447         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8448         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8449         (tree_empty_eh_handler_p): New function.
8450         (cleanup_empty_eh): New function.
8451         (cleanup_eh): New function.
8452         (pass_cleanup_eh): New function.
8453
8454 2009-03-29  Jan Hubicka  <jh@suse.cz>
8455
8456         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8457         for removed regions.
8458
8459 2009-03-29  Jan Hubicka  <jh@suse.cz>
8460
8461         * except.c (dump_eh_tree): Dump all datastructures.
8462
8463 2009-03-29  Jan Hubicka  <jh@suse.cz>
8464
8465         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8466         (duplicate_eh_regions_1): Likewise.
8467         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8468         vector; call EH verification.
8469         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8470         Be ready for region being removed.
8471
8472 2009-03-29  Jan Hubicka  <jh@suse.cz>
8473
8474         * bitmap.c (bitmap_last_set_bit): New function.
8475         * bitmap.h (bitmap_last_set_bit): Declare.
8476
8477 2009-03-29  David Ayers  <ayers@fsfe.org>
8478
8479         PR objc/27377
8480         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8481         by calling objc_compare_types and surpress warnings about
8482         incompatible C pointers that are compatible ObjC pointers.
8483
8484 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8485
8486         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8487         call initialize_inline_failed.
8488         (initialize_inline_failed): Move it from here ...
8489         * cgraph.c (initialize_inline_failed): ... to here.
8490         (cgraph_create_edge): Call initialize_inline_failed rather than
8491         setting inline_failed directly.
8492
8493 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8494
8495         PR target/32542
8496         * sysv4.opt (msdata): Improve comment.
8497         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8498         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8499
8500 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8501
8502         PR target/30451
8503         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8504         load and store attributes.
8505
8506 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8507
8508         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8509         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8510         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8511         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8512         __builtin_infq and __builtin_huge_valq.
8513
8514 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8515
8516         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8517         atmega8m1 devices.
8518         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8519         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8520
8521 2009-03-28  Xinliang David Li  <davidxl@google.com>
8522
8523         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8524         (do_dbg_cnt): New function.
8525
8526 2009-03-28  Jan Hubicka  <jh@suse.cz>
8527
8528         Merge from pretty-ipa:
8529
8530         2009-03-27  Jan Hubicka  <jh@suse.cz>
8531
8532         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8533         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8534         * passes.c (function_called_by_processed_nodes_p): New.
8535         * ipa-pure-const.c (check_call): Fix handling of operands.
8536         (analyze_function): Dump debug output for skipped bodies.
8537         (local_pure_const): Use function_called_by_processed_nodes_p.
8538         * dwarf2out.c (reference_to_unused): Use output.
8539         * passes.c (do_per_function_toporder): Likewise.
8540
8541         2008-11-12  Jan Hubicka  <jh@suse.cz>
8542
8543         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8544         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8545         state_set_in_source enum
8546         (check_decl): Ignore memory tags; do not set fake looping flags;
8547         dump diagnostics.
8548         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8549         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8550         (check_call, analyze_function): Rewrite.
8551         (check_stmt): New.
8552         (add_new_function): Update call of analyze_function.
8553         (generate_summary): Add call of analyze_function.
8554         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8555         (local_pure_const): New function.
8556         (pass_local_pure_const): New pass.
8557         * ipa-inline.c (inline_transform): Set after_inlining.
8558         * tree-eh.c (stmt_can_throw_external): New.
8559         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8560         work with aliasing built.
8561         * tree-flow.h (stmt_can_throw_external): New.
8562         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8563         and local pure/const pass in early and late optimization queue.
8564
8565 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8566
8567         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8568         allow_func_align.
8569         (fold_binary): Allow function decl aligment consideration is the
8570         second argument is integer constant one.
8571         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8572         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8573         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8574
8575 2009-03-28  Jan Hubicka  <jh@suse.cz>
8576
8577         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8578         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8579         * function.h (rtl_data): Add nothrow flag.
8580         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8581         set DECL_NOTHROW for AVAILABLE functions.
8582
8583 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8584
8585         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8586         following vector keyword has expansion starting with pixel or bool
8587         keyword, expand vector to __vector and pixel or bool to __pixel or
8588         __bool.
8589
8590         PR c++/39554
8591         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8592         warn_if_disallowed_function_p): Removed.
8593         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8594         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8595         warning_if_disallowed_function_p.
8596         * flags.h (warn_if_disallowed_function_p,
8597         warn_disallowed_functions): Removed.
8598         * common.opt (Wdisallowed-function-list=): Removed.
8599         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8600
8601 2009-03-28  Richard Guenther  <rguenther@suse.de>
8602
8603         PR tree-optimization/38723
8604         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8605         the entry block.
8606
8607 2009-03-28  Jan Hubicka  <jh@suse.cz>
8608
8609         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8610         test introduced by my previous patch.
8611
8612 2009-03-28  Richard Guenther  <rguenther@suse.de>
8613
8614         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8615         the PHIs value undefined.
8616
8617 2009-03-28  Jan Hubicka  <jh@suse.cz>
8618
8619         * tree-pass.h (pass_fixup_cfg): New pass.
8620         * ipa-inline.c (inline_transform): Set
8621         always_inline_functions_inlined/after_inlining.
8622         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8623         (pass_fixup_cfg): New pass.
8624         * passes.c (init_optimization_passes): Add fixup_cfg.
8625
8626 2009-03-28  Richard Guenther  <rguenther@suse.de>
8627
8628         PR tree-optimization/38458
8629         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8630         argument use the arguments copy-of value.
8631
8632 2009-03-28  Richard Guenther  <rguenther@suse.de>
8633
8634         PR tree-optimization/38180
8635         * tree-ssa-ccp.c (get_default_value): Simplify.
8636         (likely_value): Likewise.
8637         (surely_varying_stmt_p): Properly handle VOP case.
8638         (ccp_initialize): Likewise.
8639         (ccp_fold): Handle propagating through *&.
8640         (fold_const_aggregate_ref): Also handle decls.
8641
8642 2009-03-28  Jan Hubicka  <jh@suse.cz>
8643
8644         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8645         * cgraph.h (cgraph_node): Likewise.
8646         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8647         (cgraph_reset_node): Use process flag.
8648         (cgraph_mark_functions_to_output): Likewise.
8649         (cgraph_expand_function): Likewise.
8650         (cgraph_expand_all_functions): Likewise.
8651         (cgraph_output_in_order): Likewise.
8652         * dwarf2out.c (reference_to_unused): Likewise.
8653         * passes.c do_per_function_toporder): Likewise.
8654
8655 2009-03-28  Jan Hubicka  <jh@suse.cz>
8656
8657         Bring from lto-branch:
8658
8659         2008-09-03  Doug Kwan  <dougkwan@google.com>
8660
8661         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8662         enums instead of reason strings.
8663         * cgraph.c (cgraph_create_edge): Same.
8664         (cgraph_inline_failed_string): New function.
8665         * cgraph.h (cgraph_inline_failed_t): New enum type.
8666         (cgraph_inline_failed_string): New prototype.
8667         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8668         char pointer to cgraph_inline_failed_t.
8669         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8670         (cgraph_default_inline_p): Ditto.
8671         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8672         to cgraph_inline_failed_t pointer.
8673         * cif-code.def: New file.
8674         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8675         reason string.
8676         (cgraph_check_inline_limits): Change type of REASON to pointer to
8677         cgraph_inline_failed_t.  Replace reason strings with enums.
8678         (cgraph_default_inline_p): Ditto.
8679         (cgraph_recursive_inlining_p): Ditto.
8680         (update_caller_keys): Change type of FAILED_REASON to
8681         cgraph_inline_failed_t.
8682         (cgraph_set_inline_failed): Change type of REASON to pointer to
8683         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8684         convert enums to strings for text output.
8685         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8686         to be of type cgraph_inline_failed_t.  Replace reason strings with
8687         enums.  Call cgraph_inline_failed_string to covert enums
8688         to strings for text output.
8689         (cgraph_decide_inlining): Replace reason strings with enums.
8690         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8691         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8692         for text output.
8693         * tree-inline.c (expand_call_inline): Change type of REASON
8694         to cgraph_inline_failed_t.  Replace reason strings with enums.
8695         Call cgraph_inline_failed_string for text output.
8696         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8697         (cgraph.o): Ditto.
8698
8699 2009-03-28  Jan Hubicka  <jh@suse.cz>
8700
8701         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8702         cgraph_clone_node): Remove master clone handling.
8703         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8704         * cgraph.h (master_clone): Remove.
8705         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8706         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8707         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8708
8709 2009-03-28  Jan Hubicka  <jh@suse.cz>
8710
8711         * cgraph.c (cgraph_function_body_availability): Functions declared
8712         inline are always safe to assume that it is not going to be replaced.
8713
8714 2009-03-28  Richard Guenther  <rguenther@suse.de>
8715
8716         PR tree-optimization/38513
8717         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8718         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8719         EXC_PTR_EXPR and FILTER_EXPR.
8720         (get_ref_from_reference_ops): Likewise.
8721
8722 2009-03-28  Richard Guenther  <rguenther@suse.de>
8723
8724         PR tree-optimization/38968
8725         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8726         Use FLOOR_MOD_EXPR to compute misalignment.
8727
8728 2009-03-28  Richard Guenther  <rguenther@suse.de>
8729
8730         PR tree-optimization/37795
8731         * tree.h (combine_comparisons): Declare.
8732         * fold-const.c (combine_comparisons): Export.
8733         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8734         comparisons.
8735         (ifcombine_iforif): Use combine_comparisons.
8736
8737 2009-03-28  Jan Hubicka  <jh@suse.cz>
8738
8739         * tree-eh.c (inlinable_call_p): New function.
8740         (make_eh_edges): Use it.
8741         (verify_eh_edges): Use it.
8742         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8743         * except.c (reachable_next_level): Add inlinable_function argument
8744         (sjlj_find_directly_reachable_regions): Update.
8745         (add_reachable_handler): Do not set saw_any_handlers.
8746         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8747         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8748         Add new inlinable call parameter.
8749         (can_throw_internal, can_throw_external): Update.
8750         * except.h (can_throw_internal_1, can_throw_external_1,
8751         foreach_reachable_handler): Update declaration.
8752
8753 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8754
8755         * config/arm/t-arm-coff, config/h8300/coff.h,
8756         config/i386/i386-aout.h, config/i386/i386-coff.h,
8757         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8758         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8759         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8760         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8761         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8762         sys-types.h: Remove.
8763         * Makefile.in: Remove protoize and fixproto support and references
8764         in comments.
8765         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8766         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8767         Remove.
8768         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8769         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8770         unprotoize$(exeext).
8771         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8772         (.PHONY): Don't depend on proto.
8773         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8774         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8775         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8776         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8777         build/gen-protos.o, build/scan.o, xsys-protos.h,
8778         build/fix-header$(build_exeext), build/fix-header.o,
8779         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8780         stmp-install-fixproto): Remove.
8781         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8782         SYSCALLS.c or fixproto files.
8783         (install-common): Don't install protoize.
8784         (install-headers-tar, install-headers-cpio, install-headers-cp):
8785         Don't depend on $(STMP_FIXPROTO).
8786         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8787         install fixproto files or write out fixproto settings.
8788         (uninstall): Don't uninstall protoize.
8789         * config.gcc (use_fixproto): Remove.
8790         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8791         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8792         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8793         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8794         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8795         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8796         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8797         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8798         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8799         * config/t-vxworks (STMP_FIXPROTO): Remove.
8800         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8801         STMP_FIXPROTO): Remove.
8802         * config.in, configure: Regenerate.
8803         * crtstuff.c (gid_t, uid_t): Don't undefine.
8804         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8805         (arm-*-coff, arm-*-aout: Remove target entries.
8806         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8807         Remove mention of AIX 4.1.
8808         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8809         * doc/invoke.texi (Running Protoize): Remove.
8810         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8811         (Protoize Caveats): Remove.
8812         * tsystem.h: Update comments on headers assumed to exist.
8813
8814 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8815
8816         * genautomata.c: Add a new year to the copyright.  Add a new
8817         reference.
8818         (struct insn_reserv_decl): Add comments for member bypass_list.
8819         (find_bypass): Remove.
8820         (insert_bypass): New.
8821         (process_decls): Use insert_bypass.
8822         (output_internal_insn_latency_func): Output all bypasses with the
8823         same input insn in one switch case.
8824
8825         * rtl.def (define_bypass): Describe bypass choice.
8826         * doc/md.texi (define_bypass): Ditto.
8827
8828 2009-03-27  Richard Guenther  <rguenther@suse.de>
8829
8830         * gimplify.c (mark_addressable): Export.
8831         * tree-flow.h (mark_addressable): Declare.
8832         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8833         * tree-ssa.c (verify_phi_args): Verify that address taken
8834         variables have TREE_ADDRESSABLE set.
8835
8836 2009-03-27  Richard Guenther  <rguenther@suse.de>
8837
8838         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8839         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8840         Do not mark decls TREE_ADDRESSABLE.
8841         (build_fold_addr_expr): Adjust.
8842         (fold_addr_expr): Remove.
8843         (fold_unary): Use build_fold_addr_expr.
8844         (fold_comparison): Likewise.
8845         (split_address_to_core_and_offset): Likewise.
8846         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8847         TREE_ADDRESSABLE.
8848         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8849         (gimplify_modify_expr_to_memcpy): Mark source and destination
8850         addressable.
8851         * omp-low.c (create_omp_child_function): Mark the object decl
8852         TREE_ADDRESSABLE.
8853         (lower_rec_input_clauses): Mark the var we take the address of
8854         TREE_ADDRESSABLE.
8855         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8856
8857 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8858
8859         PR middle-end/39315
8860         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8861         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8862
8863 2009-03-27  Richard Guenther  <rguenther@suse.de>
8864
8865         PR tree-optimization/39120
8866         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8867         constraints.
8868         (handle_lhs_call): Process return constraints.  Add escape
8869         constraints if necessary.
8870         (handle_const_call): Fill out return constraints.  Make nested
8871         case more precise.  Avoid consttmp if possible.
8872         (handle_pure_call): Fill out return constraints.  Avoid
8873         callused if possible.
8874         (find_func_aliases): Simplify call handling.
8875
8876 2009-03-27  Richard Guenther  <rguenther@suse.de>
8877
8878         PR tree-optimization/39120
8879         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8880         as a representative.
8881         (solve_graph): Do propagate CALLUSED.
8882         (handle_pure_call): Use a scalar constraint from CALLUSED for
8883         the return value.
8884         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8885         solutions.
8886
8887 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8888
8889         PR c/39323
8890         * c-common.c (handle_aligned_attribute): Properly check alignment
8891         overflow.  Use (1U << i) instead of (1 << i).
8892
8893         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8894
8895         * expr.h (get_mem_align_offset): Updated.
8896
8897         * tree.h (tree_decl_common): Change align to "unsigned int" and
8898         move it before pointer_alias_set.
8899
8900 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8901             Jakub Jelinek  <jakub@redhat.com>
8902
8903         PR target/38034
8904         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8905         gr_register_operand with gr_reg_or_0_operand.
8906         (cmpxchg_rel_di): Likewise.
8907         (sync_lock_test_and_set<mode>): Likewise.
8908
8909 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8910
8911         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8912         (true_regnum): Likewise.
8913
8914         * rtlanal.c (subreg_info): Moved to ...
8915         * rtl.h (subreg_info): Here.  New.
8916         (subreg_get_info): New.
8917
8918         * rtlanal.c (subreg_get_info): Make it extern.
8919
8920 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8921
8922         PR target/39472
8923         * config/i386/i386.c (ix86_abi): New.
8924         (override_options): Handle -mabi=.
8925         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8926         (ix86_call_abi_override): Likewise.
8927         (init_cumulative_args): Likewise.
8928         (function_arg_advance): Likewise.
8929         (function_arg_64): Likewise.
8930         (function_arg): Likewise.
8931         (ix86_pass_by_reference): Likewise.
8932         (ix86_function_value_regno_p): Likewise.
8933         (ix86_build_builtin_va_list_abi): Likewise.
8934         (setup_incoming_varargs_64): Likewise.
8935         (is_va_list_char_pointer): Likewise.
8936         (ix86_init_machine_status): Likewise.
8937         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8938         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8939         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8940         (ix86_function_abi): Make it static and return enum calling_abi.
8941         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8942         with ix86_abi.
8943         (ix86_fn_abi_va_list): Updated.
8944
8945         * config/i386/i386.h (ix86_abi): New.
8946         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8947         (CONDITIONAL_REGISTER_USAGE): Likewise.
8948         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8949         (machine_function): Likewise.
8950
8951         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8952         with ix86_abi.
8953         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8954         (STACK_BOUNDARY): Likewise.
8955         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8956
8957         * config/i386/i386.opt (mabi=): New.
8958
8959         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8960         return enum calling_abi.
8961         (ix86_function_type_abi): Likewise.
8962         (ix86_function_abi): Removed.
8963
8964         * doc/invoke.texi: Document -mabi= option for x86.
8965
8966 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8967
8968         * builtins.c (real_dconstp): Delete.
8969         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8970
8971 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8972             Jakub Jelinek  <jakub@redhat.com>
8973
8974         PR debug/37959
8975         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8976         (gen_subprogram_die): When a function is explicit, generate the
8977         DW_AT_explicit attribute.
8978         * langhooks.h (struct lang_hooks_for_decls): Add
8979         function_decl_explicit_p langhook.
8980         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8981         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8982
8983 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8984
8985         * builtins.c (fold_builtin_memory_op): Optimize memmove
8986         into memcpy if we can prove source and destination don't overlap.
8987
8988         * tree-inline.c: Include gt-tree-inline.h.
8989         (clone_fn_id_num): New variable.
8990         (clone_function_name): New function.
8991         (tree_function_versioning): Use it.
8992         * Makefile.in (GTFILES): Add tree-inline.c.
8993
8994 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8995
8996         * BASE-VER: Change to 4.5.0.
8997
8998 2009-03-27  Xinliang David Li  <davidxl@google.com>
8999
9000         PR tree-optimization/39557
9001         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9002
9003 2009-03-27  Xinliang David Li  <davidxl@google.com>
9004
9005         PR tree-optimization/39548
9006         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9007         candidate check.
9008
9009 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9010
9011         * c-common.c (pointer_int_sum): Use %wd on return from
9012         tree_low_cst.
9013
9014 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9015
9016         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9017         on return from tree_low_cst.
9018
9019 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9020
9021         PR c++/36799
9022         * ginclude/stdarg.h (va_copy): Define also for
9023         __GXX_EXPERIMENTAL_CXX0X__.
9024
9025 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9026
9027         PR c++/35652
9028         * builtins.h (c_strlen): Do not warn here.
9029         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9030         * c-common.c (pointer_int_sum): Take an explicit location.
9031         Warn about offsets out of bounds.
9032         * c-common.h (pointer_int_sum): Adjust declaration.
9033
9034 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9035
9036         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9037         markup glitch.
9038
9039 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9040
9041         PR c++/39554
9042         * opts.c (warn_if_disallowed_function_p): Don't assume
9043         get_callee_fndecl must return non-NULL.
9044
9045 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9046
9047         PR rtl-optimization/39522
9048         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9049         when reg_reloaded_valid is set.
9050
9051 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9052
9053         * config/spu/divv2df3.c: New file.
9054         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9055         (DPBIT_FUNCS): Filter out _div_df.
9056
9057 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9058
9059         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9060         a jump insn, count that jump in the distance to the loop start.
9061
9062 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9063
9064         PR target/39523
9065         * config/sh/sh.c (calc_live_regs): Fix condition for global
9066         registers except PIC_OFFSET_TABLE_REGNUM.
9067
9068 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9069
9070         PR/39518
9071         * doc/invoke.texi (-mconsole): New.
9072         (-mcygwin): New.
9073         (-mno-cygwin): New.
9074         (-mdll): New.
9075         (-mnop-fun-dllimport): New.
9076         (-mthread): New.
9077         (-mwin32): New.
9078         (-mwindows): New.
9079         (sub section "i386 and x86-64 Windows Options"): New.
9080
9081 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9082
9083         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9084         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9085
9086 2009-03-25  Richard Guenther  <rguenther@suse.de>
9087
9088         PR middle-end/39497
9089         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9090         of -Wno-error.
9091
9092 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9093
9094         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9095         neither of haifa/selective schedulers are working.
9096
9097 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9098
9099         * doc/invoke.texi (Debugging Options): Fix description of
9100         -fno-merge-debug-strings.
9101
9102 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9103
9104         * config/cris/libgcc.ver: New version-script.
9105         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9106
9107         * configure.ac <GAS features, nop mnemonic>: Add pattern
9108         crisv32-*-* for "nop".
9109         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9110         * configure: Regenerate.
9111
9112 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9113
9114         PR tree-optimization/39529
9115         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9116         mark_sym_for_renaming for the tag copied to the new vector
9117         pointer.
9118
9119 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9120
9121         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9122         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9123         EXTRA_SPEC_FUNCTIONS.
9124         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9125         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9126         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9127         -march and -mtune options.
9128
9129 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9130
9131         * config/m68k/t-rtems: Add m5329 multilib.
9132
9133 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9134             Jakub Jelinek  <jakub@redhat.com>
9135
9136         PR debug/39524
9137         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9138         nodes.
9139
9140 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9141
9142         PR c/39495
9143         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9144         instead of c_parser_expression_conv, if original_code isn't one of the
9145         4 allowed comparison codes, fail.
9146
9147 2009-03-23  Richard Guenther  <rguenther@suse.de>
9148
9149         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9150         * tree.h (struct tree_type): Likewise.
9151         * reload.h (struct insn_chain): Likewise.
9152         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9153         * function.h (struct function): Likewise.
9154         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9155
9156 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9157
9158         PR tree-optimization/39516
9159         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9160
9161 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9162
9163         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9164         should be set true if BITS_PER_WORD of target is bigger than 32
9165
9166 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9167
9168         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9169         Translate -B-options to -rpath-link.  Correct existing
9170         rpath-link and conditionalize on !nostdlib.
9171
9172 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9173
9174         * doc/extend.texi (Function Attributes, Variable Attributes):
9175         Fix typos.
9176         * doc/invoke.texi (Debugging Options, Optimize Options)
9177         (i386 and x86-64 Options, MCore Options): Likewise.
9178
9179 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9180
9181         PR debug/37890
9182         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9183         it for block local namespace aliases.
9184         (gen_decl_die): Pass context_die to gen_namespace_die.
9185
9186 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9187
9188         PR c/39495
9189         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9190         minimum or maximum value.
9191
9192 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9193
9194         * reginfo.c (globalize_reg): Recompute derived reg sets.
9195
9196 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9197
9198         PR target/39063
9199         * libgcc2.c (mprotect): Do not use signed arguments for
9200         VirtualProtect, use DWORD arguments.  Also fix the 'may
9201         be used uninitialized' warning for the np variable.
9202
9203 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9204
9205         PR target/39496
9206         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9207         functions using regparm calling conventions when not optimizing.
9208         (ix86_function_sseregparm): Similarly for sseregparm calling
9209         conventions.
9210
9211 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9212
9213         PR middle-end/39500
9214         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9215         dependence if the first conflict is after niter iterations.
9216
9217 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9218
9219         PR middle-end/38609
9220         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9221         functions with dynamic stack-pointer adjustments.
9222
9223 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9224
9225         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9226         option; change to -msdata=data.
9227
9228 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9229
9230         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9231         and -fopenmp.
9232
9233 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9234
9235         PR target/35180
9236         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9237
9238 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9239
9240         * doc/invoke.texi (Code Gen Options): Expand discussion of
9241         -fno-common.
9242
9243 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9244
9245         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9246         * matrix-reorg.c (struct matrix_info): Likewise.
9247         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9248         * rtl.h (struct mem_attrs): Likewise.
9249         * df.h (struct df): Likewise.
9250         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9251         * ira-int.h (struct ira_allocno): Likewise.
9252         * df-scan.c (struct df_collection_rec): Likewise.
9253         * ira.c (struct equivalence): Likewise.
9254         * function.c (struct temp_slot): Likewise.
9255         * cfgloop.h (struct loop): Likewise.
9256
9257         PR debug/39485
9258         * function.c (use_register_for_decl): When not optimizing, disregard
9259         register keyword for variables with types containing methods.
9260
9261 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9262
9263         PR middle-end/39447
9264         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9265         (is_simple_operand): Call contains_component_ref_p before calling data
9266         reference analysis that would fail on COMPONENT_REFs.
9267
9268         * tree-vrp.c (search_for_addr_array): Fix formatting.
9269
9270 2009-03-18  Richard Guenther  <rguenther@suse.de>
9271
9272         * tree-vect-transform.c (vect_loop_versioning): Fold the
9273         generated comparisons.
9274         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9275         (slpeel_tree_peel_loop_to_edge): Likewise.
9276
9277 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9278
9279         PR middle-end/37805
9280         * opts.c (print_specific_help): In addition to `undocumented',
9281         accept `separate' and `joined' flags if passed alone.  Describe
9282         output by the first matched one of those.
9283         (common_handle_option): Skip over empty strings.
9284         * gcc.c (display_help): Fix help string for `--help='.
9285         * doc/invoke.texi (Option Summary, Overall Options): With
9286         `--help=', classes and qualifiers can both be repeated, but
9287         only the latter can be negated.  One should not pass only
9288         negated qualifiers.  Fix markup and examples.
9289
9290         Revert
9291         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9292         PR middle-end/37805
9293         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9294         and -fhelp=separate.
9295
9296 2009-03-17  Jing Yu  <jingyu@google.com>
9297
9298         PR middle-end/39378
9299         * function.h (struct rtl_data): Move is_thunk from here...
9300         (struct function): ...to here.
9301         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9302         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9303         cfun.
9304         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9305         cfun.
9306         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9307         (alpha_output_function_end_prologue): Likewise.
9308         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9309         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9310         (rs6000_output_function_epilogue): Likewise.
9311         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9312
9313 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9314
9315         PR target/39482
9316         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9317         from different units in a single alternative.
9318         (*truncdfsf_i387): Ditto.
9319         (*truncxfsf2_mixed): Ditto.
9320         (*truncxfdf2_mixed): Ditto.
9321
9322 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9323
9324         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9325         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9326
9327         PR debug/39474
9328         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9329         unused non-artificial variables when not optimizing.
9330
9331         PR debug/39471
9332         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9333         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9334         NAMESPACE_DECL in its DECL_INITIAL.
9335
9336         PR middle-end/39443
9337         * optabs.c (set_user_assembler_libfunc): New function.
9338         * expr.h (set_user_assembler_libfunc): New prototype.
9339         * c-common.c: Include libfuncs.h.
9340         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9341         for memcmp, memset, memcpy, memmove and abort.
9342         * Makefile.in (c-common.o): Depend on libfuncs.h.
9343
9344         PR debug/39412
9345         * dwarf2out.c (gen_inlined_enumeration_type_die,
9346         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9347         gen_tagged_type_instantiation_die): Removed.
9348         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9349         do nothing.
9350
9351 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9352
9353         PR testsuite/38526
9354         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9355         its use.
9356         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9357         (check-parallel-%): Ditto.
9358         (check-consistency): Ditto.
9359
9360 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9361
9362         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9363         local variable rhs by NULL_TREE.
9364
9365 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9366
9367         PR target/39477
9368         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9369
9370 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9371
9372         PR target/39476
9373         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9374
9375 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9376
9377         PR target/39473
9378         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9379         for ms->sysv ABI calls only in 64bit mode.
9380
9381         * config/i386/i386.md (untyped_call): Support 32bit.
9382
9383 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9384
9385         * doc/extend.texi: Replace x86_65 with x86_64.
9386
9387 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9388
9389         PR tree-optimization/39455
9390         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9391         mismatches for POINTER_TYPE_P (type).
9392         (number_of_iterations_le): Likewise.
9393
9394 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9395
9396         * config/picochip/picochip.c: Removed profiling support.
9397         * config/picochip/picochip.md: Removed profiling instruction.
9398         * config/picochip/picochip.h: Removed profiling builtin.
9399
9400 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9401
9402         * doc/install.texi (--with-host-libstdcxx): Document.
9403
9404 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9405
9406         PR target/34299
9407         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9408         generate a warning if the function name does not begin with
9409         "__vector" and the function has either the 'signal' or 'interrupt'
9410         attribute, from here to ...
9411         (avr_declare_function_name): ...here. New function.
9412         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9413         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9414
9415 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9416
9417         PR bootstrap/39454
9418         * cse.c (fold_rtx): Don't modify original const_arg1 when
9419         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9420         separate variable instead.
9421         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9422         from out of range shift counts.
9423         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9424
9425 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9426
9427         * config/i386/x-mingw32 (host-mingw32.o): Replace
9428         diagnostic.h with $(DIAGNOSTIC_H).
9429
9430 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9431
9432         PR target/39431
9433         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9434         predicate.
9435         * config/i386/sync.md (sync_compare_and_swap<mode>,
9436         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9437         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9438         into a register.
9439         (sync_double_compare_and_swapdi_pic,
9440         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9441         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9442
9443 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9444
9445         PR target/39445
9446         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9447
9448 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9449
9450         PR target/39327
9451         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9452         (avx_addsubv4df3): Likewise.
9453         (*avx_addsubv4sf3): Likewise.
9454         (sse3_addsubv4sf3): Likewise.
9455
9456 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9457
9458         PR target/38824
9459         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9460
9461 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9462
9463         PR debug/39432
9464         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9465         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9466         registers for allocnos created from user-defined variables.
9467
9468 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9469
9470         PR target/39181
9471         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9472         of non-integer mode as well.
9473
9474 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9475
9476         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9477         for functions for which the parameter types are unknown.
9478
9479 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9480
9481         PR target/39137
9482         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9483         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9484         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9485         * config/i386/i386.c (ix86_local_alignment): For
9486         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9487         long long variables on the stack to avoid dynamic realignment.
9488         Allow the first argument to be a decl rather than type.
9489         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9490
9491 2009-03-11  Nick Clifton  <nickc@redhat.com>
9492
9493         PR target/5362
9494         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9495         options.
9496         Add description to mno-lsim option.
9497         * config/mcore/mcore.h: Remove comment about deprecated m4align
9498         option.
9499         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9500         * doc/invoke.texi: Add description of mno-lsim and
9501         mstack-increment options.
9502
9503         * config/fr30/fr30.opt: Document the -mno-lsim option.
9504         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9505         and -mno-lsim options.
9506
9507 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9508
9509         * fold-const.c (fold_comparison): Only call fold_inf_compare
9510         if the mode supports infinities.
9511
9512 2009-03-11  Jason Merrill  <jason@redhat.com>
9513
9514         PR debug/39086
9515         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9516         end already did.  Notice GIMPLE_CALL modifications of the result.
9517         Don't copy debug information from an ignored decl or a decl from
9518         another function.
9519
9520 2009-03-10  Richard Guenther  <rguenther@suse.de>
9521             Nathan Froyd  <froydnj@codesourcery.com>
9522
9523         PR middle-end/37850
9524         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9525         (__divMODE3): Likewise.
9526
9527 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9528
9529         PR tree-optimization/39394
9530         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9531         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9532
9533 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9534
9535         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9536         inline asms for register asm ("") declarations.
9537
9538 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9539
9540         * fold-const.c (fold_unary): Fix comment.
9541
9542 2009-03-07  Jan Hubicka  <jh@suse.cz>
9543
9544         PR target/39361
9545         * tree-inline.c (setup_one_parameter): Do replacement of const
9546         argument by constant in SSA form.
9547
9548 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9549
9550         PR middle-end/38028
9551         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9552         determine alignment passed to assign_stack_local.
9553         (assign_parms_unsplit_complex): Likewise.
9554         * except.c (sjlj_build_landing_pads): Likewise.
9555
9556 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9557
9558         PR middle-end/39360
9559         * tree-flow.h (add_referenced_var): Return bool instead of void.
9560         * tree-dfa.c (add_referenced_var): Return result of
9561         referenced_var_check_and_insert call.
9562         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9563         of referenced_var_check_and_insert.
9564
9565         PR debug/39372
9566         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9567         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9568         DIE, don't emit it if abstract origin already has it.
9569         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9570         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9571
9572 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9573
9574         * genpreds.c (needs_variable): Fix parentheses at variable name
9575         detection.
9576         (write_tm_constrs_h): Indent generated code.
9577
9578 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9579
9580         * doc/extend.texi (Function Attributes): Add documentation
9581         for isr attributes.
9582
9583 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9584
9585         PR debug/39387
9586         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9587         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9588
9589 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9590
9591         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9592         the loop as bad.
9593
9594 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9595
9596         PR debug/39379
9597         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9598         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9599
9600 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9601
9602         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9603         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9604         constants instead of magic numbers.
9605         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9606         (QI_REG_P): Ditto.
9607         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9608         (x86_64_ms_abi_int_parameter_registers): Ditto.
9609         (x86_64_int_return_registers): Ditto.
9610         (ix86_maybe_switch_abi): Ditto.
9611         (ix86_expand_call): Ditto for clobbered_registers array.
9612         (ix86_hard_regno_mode_ok): Ditto.
9613         (x86_extended_QIreg_mentioned_p): Ditto.
9614
9615 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9616
9617         PR tree-optimization/39349
9618         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9619
9620         * combine.c (gen_lowpart_for_combine): Use omode when generating
9621         clobber.
9622
9623 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9624
9625         PR rtl-optimization/39235
9626         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9627
9628 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9629
9630         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9631
9632 2009-03-04  Richard Guenther  <rguenther@suse.de>
9633
9634         PR tree-optimization/39362
9635         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9636         that occur in abnormal PHIs should be varying.
9637
9638 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9639
9640         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9641         Extend comments.
9642         (simple_iv):  Take loop as an argument instead of statement.
9643         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9644         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9645         to simple_iv.
9646         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9647         Ditto.
9648         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9649         * matrix-reorg.c (analyze_transpose): Ditto.
9650         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9651         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9652         * tree-predcom.c (ref_at_iteration): Ditto.
9653         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9654
9655 2009-03-04  Richard Guenther  <rguenther@suse.de>
9656
9657         PR tree-optimization/39358
9658         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9659         escaped_id and callused_id.
9660         (solve_graph): Likewise.
9661
9662 2009-03-04  Richard Guenther  <rguenther@suse.de>
9663
9664         PR tree-optimization/39339
9665         * tree-sra.c (try_instantiate_multiple_fields): Make it
9666         no longer ICE on the above.
9667
9668 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9669
9670         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9671         that fits within Pmode.
9672
9673 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9674
9675         PR middle-end/10109
9676         * tm.texi (LIBCALL_VALUE): Update description.
9677
9678 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9679
9680         PR middle-end/34443
9681         * doc/extend.texi (section): Update description.
9682
9683 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9684
9685         PR middle-end/39345
9686         * tree-inline.c (remapped_type): New.
9687         (can_be_nonlocal): Call remapped_type instead of remap_type.
9688
9689 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9690
9691         PR fortran/39354
9692         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9693         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9694
9695 2009-03-03  Richard Guenther  <rguenther@suse.de>
9696
9697         PR middle-end/39272
9698         * tree.c (tree_nonartificial_location): New function.
9699         * tree.h (tree_nonartificial_location): Declare.
9700         * builtins.c (expand_builtin_memory_chk): Provide location
9701         of the call location for artificial function pieces.
9702         (maybe_emit_chk_warning): Likewise.
9703         (maybe_emit_sprintf_chk_warning): Likewise.
9704         (maybe_emit_free_warning): Likewise.
9705         * expr.c (expand_expr_real_1): Likewise.
9706
9707 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9708
9709         PR tree-optimization/39343
9710         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9711         COMPONENT_REF t has ARRAY_TYPE.
9712
9713 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9714
9715         PR middle-end/39335
9716         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9717         when the type precision of the induction variable should be
9718         larger than the type precision of nit.
9719         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9720         * graphite.c (graphite_loop_normal_form): Same.
9721         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9722
9723 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9724
9725         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9726         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9727         numbers to describe clobbered registers.
9728         (*call_value_0_rex64_ms_sysv): Ditto.
9729         * config/i386/mmx.md (mmx_emms): Ditto.
9730         (mmx_femms): Ditto.
9731
9732 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9733
9734         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9735         of ABI_64.
9736
9737 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9738
9739         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9740         (spu_section_type_flags): New function.
9741
9742 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9743
9744         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9745         reg_class_contents of FLOAT_REGS into a temporary.
9746
9747 2009-03-02  Richard Guenther  <rguenther@suse.de>
9748             Ira Rosen  <irar@il.ibm.com>
9749
9750         PR tree-optimization/39318
9751         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9752         information to the vectorized statement.
9753
9754 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9755
9756         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9757         variable.  Use defined names instead of magic constants for REX SSE
9758         registers.
9759
9760 2009-03-01  Richard Guenther  <rguenther@suse.de>
9761
9762         PR tree-optimization/39331
9763         * omp-low.c (lower_send_shared_vars): Do not receive new
9764         values for the reference of DECL_BY_REFERENCE parms or results.
9765
9766 2009-03-01  Jan Hubicka  <jh@suse.cz>
9767
9768         PR debug/39267
9769         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9770         BLOCK_NONLOCALIZED_VAR): New macros.
9771         (tree_block): Add nonlocalized_vars.
9772         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9773         gen_decl_die): Add origin argument.  Allow generation of die with
9774         origin at hand only.
9775         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9776         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9777         of gen_*.
9778         (gen_block_die): Fix checking for unused blocks.
9779         (process_scope_var): Break out from .... ; work with origins only.
9780         (decls_for_scope) ... here; process nonlocalized list.
9781         (dwarf2out_ignore_block): Look for nonlocalized vars.
9782         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9783         vars.
9784         (dump_scope_block): Dump them.
9785         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9786         (remap_block): Likewise.
9787         (can_be_nonlocal): New predicate.
9788         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9789
9790 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9791
9792         * configure: Regenerate.
9793
9794 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9795
9796         * optc-gen.awk: No need to duplicate option flags twice.
9797         Reuse help texts for duplicate options which do not have any.
9798
9799         * gcc.c (display_help): Document --version.
9800
9801         * gcc.c (main): If print_help_list and verbose_flag, ensure
9802         driver output comes before subprocess output.
9803
9804         * optc-gen.awk: Assign all remaining fields to help string,
9805         space-separated, for multi-line help in *.opt.
9806
9807         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9808         -Wno-pedantic-ms-format is for MinGW targets only.
9809
9810         * doc/options.texi (Option file format): Fix bad indentation,
9811         restoring dropped sentence.
9812
9813 2009-02-28  Jan Hubicka  <jh@suse.cz>
9814
9815         * tree-inline.c (tree_function_versioning): Output debug info.
9816
9817 2009-02-28  Jan Hubicka  <jh@suse.cz>
9818
9819         PR debug/39267
9820         * tree-inline.c (setup_one_parameter): Do not copy propagate
9821         arguments when not optimizing.
9822
9823 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9824
9825         PR target/39327
9826         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9827         (avx_addsubv4df3): Likewise.
9828         (*avx_addsubv4sf3): Likewise.
9829         (sse3_addsubv4sf3): Likewise.
9830         (*avx_addsubv2df3): Likewise.
9831         (sse3_addsubv2df3): Likewise.
9832         (avx_unpckhps256): Correct item selectors.
9833         (avx_unpcklps256): Likewise.
9834         (avx_unpckhpd256): Likewise.
9835         (avx_unpcklpd256): Likewise.
9836
9837 2009-02-28  Jan Hubicka  <jh@suse.cz>
9838
9839         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9840         static vars.
9841         (copy_arguments_for_versioning): If var is declared don't declare it.
9842         (tree_function_versioning): First setup substitutions and then copy
9843         args.
9844
9845 2009-02-27  Jan Hubicka  <jh@suse.cz>
9846
9847         PR debug/39267
9848         * cgraph.h (varpool_output_debug_info): Remove.
9849         * cgraphunit.c (varpool_output_debug_info): Remove.
9850         * dwarf2out.c (deferred_locations_struct): New struct
9851         (deferred_locations): New type.
9852         (deferred_locations_list): New static var.
9853         (deffer_location): New function.
9854         (gen_variable_die): Use it.
9855         (decls_for_scope): Output info on local static vars.
9856         (dwarf2out_finish): Process deferred locations.
9857         * varpool.c (varpool_output_debug_info): Remove.
9858
9859 2009-02-27  Jan Hubicka  <jh@suse.cz>
9860
9861         PR debug/39267
9862         * tree.h (TREE_PROTECTED): Fix comment.
9863         (BLOCK_HANDLER_BLOCK): Remove.
9864         (struct tree_block): Remove handler_block add body_block.
9865         (inlined_function_outer_scope_p): New.
9866         (is_body_block): Remove.
9867         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9868         * dwarf2out.c (is_inlined_entry_point): Remove.
9869         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9870         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9871         code.
9872         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9873         * gimplify.c (gimplify_expr): Gimplify body blocks.
9874         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9875         block with multiple subblocks.
9876         (dump_scope_block): Prettier output; dump more flags and info.
9877         (dump_scope_blocks): New.
9878         (remove_unused_locals): Use dump_scope_blocks.
9879         * tree-flow.h (dump_scope_blocks): Declare.
9880         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9881         * stmt.c (is_body_block): Remove.
9882         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9883         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9884
9885 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9886
9887         PR middle-end/39308
9888         * graphite.c (graphite_loop_normal_form): Do not call
9889         number_of_iterations_exit from a gcc_assert.
9890
9891 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9892
9893         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9894         jumps if COND is NULL.
9895         (find_cond_jump): New function.
9896         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9897         * config/s390/s390.md: Remove z10_cobra attribute value.
9898
9899 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9900
9901         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9902         force_const_mem returns NULL_RTX.
9903
9904 2009-02-26  Jan Hubicka  <jh@suse.cz>
9905
9906         PR debug/39267
9907         * cgraph.h (varpool_output_debug_info): Remove.
9908         * cgraphunit.c (varpool_output_debug_info): Remove.
9909         * dwarf2out.c (deferred_locations_struct): New struct
9910         (deferred_locations): New type.
9911         (deferred_locations_list): New static var.
9912         (deffer_location): New function.
9913         (gen_variable_die): Use it.
9914         (decls_for_scope): Output info on local static vars.
9915         (dwarf2out_finish): Process deferred locations.
9916         * varpool.c (varpool_output_debug_info): Remove.
9917
9918 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9919
9920         PR rtl-optimization/39241
9921         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9922         to subreg_offset_representable_p.
9923
9924 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9925
9926         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9927         execute function prototype.  Get f and nregs from max_reg_num
9928         and get_insns.  Remove the first backward pass as it's dead,
9929         guard the forward pass by flag_expensive_optimizations.
9930         (rest_of_handle_regmove): Delete.
9931         (pass_regmove): Replace it with regmove_optimize.
9932
9933 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9934
9935         PR tree-optimization/39259
9936         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9937         calls_alloca function flags.
9938         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9939         calls are detected.
9940
9941 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9942
9943         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9944         flags_set_1_rtx, flags_set_1_set): Delete.
9945         (regmove_optimize): Do not call mark_flags_life_zones.
9946
9947 2009-02-24  Julian Brown  <julian@codesourcery.com>
9948
9949         PR target/35965
9950         * config/arm/arm.c (require_pic_register): Only set
9951         cfun->machine->pic_reg once per function.
9952
9953 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9954
9955         * doc/invoke.texi (Link Options): Document an easier way to pass
9956         options that take arguments to the GNU linker using -Xlinker and -Wl.
9957
9958 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9959
9960         PR target/33785
9961         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9962
9963 2009-02-24  Richard Guenther  <rguenther@suse.de>
9964
9965         PR debug/39285
9966         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9967
9968 2009-02-24  Richard Guenther  <rguenther@suse.de>
9969             Zdenek Dvorak  <ook@ucw.cz>
9970
9971         PR tree-optimization/39233
9972         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9973         from converting them to a generic type.
9974
9975 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9976
9977         PR tree-optimization/39260
9978         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9979         contains a condition with a real type.
9980         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9981
9982 2009-02-23  Jason Merrill  <jason@redhat.com>
9983
9984         PR c++/38880
9985         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9986         narrowing_initializer_constant_valid_p.
9987         (narrowing_initializer_constant_valid_p): Don't return
9988         null_pointer_node for adding a pointer to itself.
9989
9990 2009-02-23  Jan Hubicka  <jh@suse.cz>
9991
9992         PR c/12245
9993         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9994         resizing.
9995
9996 2009-02-23  Jan Hubicka  <jh@suse.cz>
9997
9998         PR tree-optimization/37709
9999         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10000         * tree.h (block_ultimate_origin): Declare.
10001         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10002         * tree-ssa-live.c (remove_unused_scope_block_p):
10003         Eliminate blocks containig no instructions nor live variables nor
10004         nested blocks.
10005         (dump_scope_block): New function.
10006         (remove_unused_locals): Enable removal of dead blocks by default;
10007         enable dumping at TDF_DETAILS.
10008
10009 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10010
10011         * config/i386/i386.c (classify_argument): Don't allow COImode
10012         and OImode.
10013         (function_arg_advance_32): Don't allow OImode.
10014         (function_arg_32): Likewise.
10015         (function_value_32): Likewise.
10016         (return_in_memory_32): Likewise.
10017         (function_arg_64): Remove OImode comment.
10018
10019 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10020
10021         PR target/39261
10022         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10023         ix86_expand_vector_set for V4DImode in 64bit mode only.
10024         (ix86_expand_vector_init_one_var): Likewise.
10025
10026 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10027
10028         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10029
10030 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10031
10032         PR bootstrap/39257
10033         * loop-iv.c: Revert last change.
10034         * emit-rtl.c: Likewise.
10035
10036 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10037
10038         PR target/39256
10039         * config/i386/i386.c (type_natural_mode): Remove an extra
10040         space in the warning message.
10041         (function_value_32): Handle 32-byte vector modes.
10042         (return_in_memory_32): Likewise.
10043
10044 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10045
10046         * loop-iv.c (truncate_value): New function.
10047         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10048         of lowpart_subreg.
10049         (lowpart_subreg): Move to...
10050         * emit-rtl.c: ...here.
10051
10052 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10053
10054         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10055         accidental and undocumented change at revision 140860.
10056
10057 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10058
10059         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10060         take gimple_seq * arguments.
10061         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10062         types_compatible_p langhook.
10063
10064 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10065             Joseph Myers  <joseph@codesourcery.com>
10066
10067         * config/arm/arm.c (arm_builtin_va_list): New function.
10068         (arm_expand_builtin_va_start): Likewise.
10069         (arm_gimplify_va_arg_expr): Likewise.
10070         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10071         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10072         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10073         (va_list_type): New variable.
10074         (arm_mangle_type): Mangle va_list_type appropriately.
10075
10076 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10077
10078         PR middle-end/39157
10079         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10080         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10081         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10082         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10083         parameter to 1000 for -O1 by default.
10084         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10085         parameter.
10086         * loop-invariant.c: Include params.h.
10087         (move_loop_invariants): Don't call move_single_loop_invariants on
10088         very large loops.
10089
10090 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10091
10092         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10093         offset when calculating bounds for indexing stack_usage_map.  Fixes
10094         a buffer overflow with certain target setups.
10095
10096 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10097
10098         PR target/39240
10099         * calls.c (expand_call): Clear try_tail_call if caller and callee
10100         disagree in promotion of function return value.
10101
10102 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10103
10104         PR target/39175
10105         * c-common.c (c_determine_visibility): If visibility changed and
10106         DECL_RTL has been already set, call make_decl_rtl to update symbol
10107         flags.
10108
10109 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10110
10111         PR c++/39188
10112         * varasm.c (assemble_variable): Don't check DECL_NAME when
10113         globalizing a variable.
10114
10115 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10116
10117         PR c/38483
10118         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10119         expression before any __builtin_trap call.
10120         * c-typeck.c (build_function_call): Convert and check function
10121         arguments before generating a call to a trap.  Evaluate the
10122         function arguments before the trap.
10123
10124 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10125
10126         PR target/39228
10127         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10128         (UNSPEC_FXAM_MEM): New unspec.
10129         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10130         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10131         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10132
10133 2009-02-19  Richard Guenther  <rguenther@suse.de>
10134
10135         PR tree-optimization/39207
10136         PR tree-optimization/39074
10137         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10138         storedanything_tree): New.
10139         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10140         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10141         (build_succ_graph): Add edges from STOREDANYTHING to all
10142         non-direct nodes.
10143         (init_base_vars): Initialize STOREDANYTHING.
10144         (compute_points_to_sets): Free substitution info after
10145         building the succ graph.
10146         (ipa_pta_execute): Likewise.
10147
10148         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10149         field.
10150         (do_ds_constraint): Do not add to special var or non-pointer
10151         field solutions.
10152         (type_could_have_pointers): Split out from ...
10153         (could_have_pointers): ... here.  For arrays use the element type.
10154         (create_variable_info_for): Initialize may_have_pointers.
10155         (new_var_info): Likewise.
10156         (handle_lhs_call): Make the HEAP variable unknown-sized.
10157         (intra_create_variable_infos): Use a type with pointers for
10158         PARM_NOALIAS, make it unknown-sized.
10159
10160 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10161
10162         PR target/39224
10163         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10164
10165 2009-02-18  Jason Merrill  <jason@redhat.com>
10166
10167         PR target/39179
10168         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10169         value if DECL_EXTERNAL.
10170         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10171         * target.h (gcc_target::binds_local_p): Clarify "module".
10172         * tree.h (TREE_PUBLIC): Clarify "module".
10173
10174 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10175
10176         PR target/38891
10177         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10178         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10179
10180 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10181
10182         PR target/39082
10183         * c.opt (Wabi): Support C and ObjC.
10184         (Wpsabi): New.
10185
10186         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10187
10188         * config/i386/i386.c (classify_argument): Warn once about the ABI
10189         change when passing union with long double.
10190
10191         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10192
10193 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10194
10195         PR c/35447
10196         * c-parser.c (c_parser_compound_statement): Always enter and leave
10197         a scope.
10198
10199 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10200
10201         PR target/34587
10202         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10203
10204 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10205
10206         PR tree-optimization/36922
10207         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10208         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10209         Likewise.
10210
10211 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10212
10213         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10214         to 0 for EABI64.
10215
10216 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10217
10218         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10219
10220 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10221
10222         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10223         tree sharing.
10224
10225 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10226             Richard Sandiford  <rdsandiford@googlemail.com>
10227
10228         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10229         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10230         (loongson_biadd): ...this.
10231
10232 2009-02-17  Richard Guenther  <rguenther@suse.de>
10233
10234         PR tree-optimization/39202
10235         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10236         a var make sure to follow existing collapses.
10237
10238 2009-02-17  Richard Guenther  <rguenther@suse.de>
10239
10240         PR middle-end/39214
10241         * langhooks.c (lhd_print_error_function): Check for NULL block.
10242
10243 2009-02-17  Richard Guenther  <rguenther@suse.de>
10244
10245         PR tree-optimization/39204
10246         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10247         of the PHI arg.
10248
10249 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10250
10251         * config/soft-fp/double.h: Update from glibc CVS.
10252
10253 2009-02-17  Richard Guenther  <rguenther@suse.de>
10254
10255         PR tree-optimization/39207
10256         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10257         strict-aliasing warnings for pointers pointing to NULL.
10258
10259 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10260
10261         PR c/35446
10262         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10263         skipping until next close brace.
10264
10265 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10266
10267         PR target/37049
10268         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10269         to function argument boundary.
10270
10271 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10272
10273         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10274         in the lea_add. Reload eventually constraints it properly.
10275         * config/picochip/constraints.md: Remove the target constraint
10276         "b", since it is not needed anymore.
10277
10278 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10279
10280         * gthr-dce.h: Uglify function parameter and local variable names.
10281         * gthr-gnat.h: Likewise.
10282         * gthr-mipssde.h: Likewise.
10283         * gthr-nks.h: Likewise.
10284         * gthr-posix95.h: Likewise.
10285         * gthr-posix.h: Likewise.
10286         * gthr-rtems.h: Likewise.
10287         * gthr-single.h: Likewise.
10288         * gthr-solaris.h: Likewise.
10289         * gthr-tpf.h: Likewise.
10290         * gthr-vxworks.h: Likewise.
10291         * gthr-win32.h: Likewise.
10292
10293 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10294
10295         PR target/39196
10296         * config/i386/i386.md: Restrict the new peephole2 to move
10297         between MMX/SSE registers.
10298
10299 2009-02-15  Richard Guenther  <rguenther@suse.de>
10300
10301         Revert
10302         2009-02-13  Richard Guenther  <rguenther@suse.de>
10303
10304         * configure.ac: Enable LFS.
10305         * configure: Re-generate.
10306         * config.in: Likewise.
10307
10308 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10309
10310         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10311         spu_srqwbyte, spu_srqwbytebc): Define.
10312         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10313         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10314         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10315         "shrqby_<mode>"): New insn-and-split patterns.
10316         * config/spu/spu.c (expand_builtin_args): Determine and return
10317         number of operands using spu_builtin_description data.
10318         (spu_expand_builtin_1): Use it.
10319
10320 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10321
10322         PR target/38056
10323         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10324         TARGET_CONST_GP.
10325
10326 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10327
10328         PR target/39149
10329         * config/i386/i386.c (override_options): Correct warning
10330         messages for -malign-loops, -malign-jumps and -malign-functions.
10331
10332 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10333
10334         PR target/39152
10335         * config/i386/i386.md: Restrict the new peephole2 to move
10336         between the general purpose registers.
10337
10338 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10339
10340         PR target/39162
10341         * config/i386/i386.c (type_natural_mode): Add a new argument.
10342         Return the original mode and warn ABI change if vector size is 32byte.
10343         (function_arg_advance): Updated.
10344         (function_arg): Likewise.
10345         (ix86_function_value): Likewise.
10346         (ix86_return_in_memory): Likewise.
10347         (ix86_sol10_return_in_memory): Likewise.
10348         (ix86_gimplify_va_arg): Likewise.
10349         (function_arg_32): Don't warn ABX ABI change here.
10350         (function_arg_64): Likewise.
10351
10352 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10353
10354         * loop-iv.c (implies_p): In the final case, test that operands 0
10355         of the two comparisons match.
10356
10357         * config/bfin/bfin.c (find_prev_insn_start): New function.
10358         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10359         (find_next_insn_start): Move.
10360
10361 2009-02-13  Richard Guenther  <rguenther@suse.de>
10362
10363         * configure.ac: Enable LFS.
10364         * configure: Re-generate.
10365         * config.in: Likewise.
10366
10367 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10368
10369         PR c/35444
10370         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10371         sizes on syntax error after some arguments have been parsed.
10372
10373 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10374
10375         * doc/invoke.texi (-fira): Remove.
10376
10377 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10378
10379         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10380         * recog.c: Likewise.
10381         * rtl.h: Likewise.
10382
10383 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10384
10385         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10386         (umul_ppmm): Likewise.
10387         (count_leading_zeros): Likewise.
10388         (count_trailing_zeros): Likewise.
10389         (UMUL_TIME): Likewise.
10390
10391 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10392
10393         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10394         soft-fp/t-softfp to tmake_file.
10395
10396         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10397         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10398         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10399         IA64_BUILTIN_INFQ]: New.
10400         (ia64_init_builtins): Initialize __builtin_infq,
10401         __builtin_fabsq and __builtin_copysignq if not HPUX.
10402         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10403         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10404
10405         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10406         SHARED is defined.
10407         (__fixtfti): Likewise.
10408         (__fixunstfti): Likewise.
10409         (__floattitf): Likewise.
10410
10411         * config/ia64/libgcc-glibc.ver: New.
10412         * config/ia64/t-fprules-softfp: Likewise.
10413         * config/ia64/sfp-machine.h: Likewise.
10414
10415         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10416         (LIBGCC2_TF_CEXT): Likewise.
10417         (TF_SIZE): Likewise.
10418         (TARGET_INIT_LIBFUNCS): Likewise.
10419
10420         * config/ia64/t-glibc (SHLINB_MAPFILES):
10421         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10422
10423 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10424
10425         * config/i386/i386.c (construct_container): Rewrite processing
10426         BLKmode with X86_64_SSE_CLASS.
10427
10428 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10429
10430         PR target/39152
10431         * config/i386/i386.md: Replace simplify_replace_rtx with
10432         replace_rtx in the new peephole2.
10433
10434 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10435
10436         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10437         loop unrolling do not happen at -O2.
10438
10439 2009-02-12  Michael Matz  <matz@suse.de>
10440
10441         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10442
10443 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10444
10445         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10446         for -g3.
10447
10448 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10449
10450         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10451         patterns when updating the back chain.  Missed in the 2009-02-10
10452         change.
10453
10454 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10455
10456         * doc/extend.texi (Decimal Floating Types): Update identifier of
10457         draft TR and list of missing support.
10458
10459 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10460
10461         PR middle-end/39154
10462         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10463         bit to variable length decl's flags, add it also to its
10464         pointer replacement variable.
10465
10466 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10467             Jakub Jelinek  <jakub@redhat.com>
10468
10469         PR target/39118
10470         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10471         (memory_blockage): New expander.
10472         (*memory_blockage): New insn pattern.
10473         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10474         instead of general blockage at the end of function prologue when
10475         frame pointer is used to access red zone area.  Do not emit blockage
10476         when profiling, it is emitted in generic code.
10477         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10478         function epilogue when frame pointer is used to access red zone area.
10479
10480 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10481
10482         PR target/38824
10483         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10484         by arithmetic with memory operands.
10485         * config/i386/predicates.md (commutative_operator): New.
10486
10487 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10488
10489         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10490         bulleted lists.
10491
10492 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10493
10494         * alias.h (record_alias_subset): Declare.
10495         * alias.c (record_alias_subset): Make global.
10496
10497 2009-02-10  Nick Clifton  <nickc@redhat.com>
10498
10499         * tree-parloops.c: Change license to GPLv3.
10500         * ipa-struct-reorg.c: Change license to GPLv3.
10501         * ipa-struct-reorg.h: Change license to GPLv3.
10502
10503 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10504
10505         PR c/39084
10506         * c-decl.c (start_struct): Return NULL on error.
10507
10508 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10509
10510         PR middle-end/39124
10511         * cfgloopmanip.c (remove_path): Call remove_bbs after
10512         cancel_loop_tree, not before it.
10513
10514         PR target/39139
10515         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10516         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10517         VAR_DECLs were seen.
10518         * tree-ssa-live.c (remove_unused_locals): Recompute
10519         cfun->has_local_explicit_reg_vars.
10520         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10521         copies or clearings if cfun->has_local_explicit_reg_vars.
10522
10523 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10524
10525         PR target/39118
10526         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10527         of function prologue when frame pointer is used to access
10528         red zone area.
10529
10530 2009-02-10  Richard Guenther  <rguenther@suse.de>
10531
10532         PR middle-end/39127
10533         * gimplify.c (gimple_regimplify_operands): Always look if
10534         we need to create a temporary.
10535
10536 2009-02-10  Richard Guenther  <rguenther@suse.de>
10537
10538         PR tree-optimization/39132
10539         * tree-loop-distribution.c (todo): New global var.
10540         (generate_memset_zero): Trigger TODO_rebuild_alias.
10541         (tree_loop_distribution): Return todo.
10542
10543 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10544
10545         PR target/39119
10546         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10547         (x86_64_reg_class_name): Removed.
10548         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10549         first one isn't X86_64_SSE_CLASS or any other ones aren't
10550         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10551         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10552         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10553         and 3 X86_64_SSEUP_CLASS.
10554         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10555         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10556
10557 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10558
10559         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10560         form instruction to update the stack back chain word, even if the
10561         user has disabled the generation of update instructions.
10562         (movdi_<mode>_update_stack): New.
10563         (movsi_update_stack): Likewise.
10564         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10565         always use an update form instruction to update the stack back
10566         chain word.
10567
10568 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10569
10570         PR middle-end/38953
10571         * graphite.c (if_region_set_false_region): After moving a region in
10572         the false branch of a condition, remove the empty dummy basic block.
10573         (gloog): Remove wrong fix for PR38953.
10574
10575 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10576
10577         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10578         generation due to implicit sign extension.
10579
10580 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10581
10582         PR middle-end/38981
10583         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10584         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10585
10586 2009-02-09  Richard Guenther  <rguenther@suse.de>
10587
10588         PR middle-end/35202
10589         * convert.c (convert_to_real): Disable (float)fn((double)x)
10590         to fnf(x) conversion if errno differences may occur and
10591         -fmath-errno is set.
10592
10593 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10594
10595         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10596         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10597         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10598
10599 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10600
10601         PR c/35434
10602         * c-common.c (handle_alias_attribute): Disallow attribute for
10603         anything not a FUNCTION_DECL or VAR_DECL.
10604
10605 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10606
10607         PR c/39035
10608         * real.c (do_compare): Special-case compare of zero against
10609         decimal float value.
10610
10611 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10612
10613         PR c/36432
10614         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10615         as indicating flexible array members unless the field itself is
10616         being declarared as the incomplete array.
10617
10618 2009-02-06  Jan Hubicka  <jh@suse.cz>
10619
10620         PR tree-optimization/38844
10621         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10622         is already inlined.
10623
10624 2009-02-06  Richard Guenther  <rguenther@suse.de>
10625
10626         PR middle-end/38977
10627         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10628         fork because we may expand it as __gcov_fork.
10629
10630 2009-02-06  Nick Clifton  <nickc@redhat.com>
10631
10632         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10633
10634 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10635
10636         PR tree-optimization/35659
10637         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10638         vn_phi_eq): Shortcut if hashcode does not match.
10639         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10640         NULL operands.
10641         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10642         and avoid iterative_hash_expr.
10643         (FOR_EACH_VALUE_ID_IN_SET): New.
10644         (value_id_compare): Remove.
10645         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10646         sort expressions by value id.
10647
10648 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10649
10650         PR target/38991
10651         * config/sh/predicates.md (general_movsrc_operand): Don't check
10652         the subreg of system registers here.
10653
10654 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10655
10656         PR c++/39106
10657         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10658         on the copied decl.
10659
10660 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10661
10662         PR rtl-optimization/39110
10663         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10664         addresses, not aligned ones.
10665
10666 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10667             Richard Guenther  <rguenther@suse.de>
10668
10669         PR tree-optimization/39100
10670         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10671         comment says and add edges.
10672
10673 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10674
10675         PR c/35435
10676         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10677         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10678
10679 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10680
10681         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10682         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10683         register_bb_in_sese, new_sese, free_sese): Moved.
10684         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10685         outermost_loop_in_scop, build_scop_iteration_domain,
10686         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10687         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10688         Use loop_in_sese_p instead of loop_in_scop_p.
10689         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10690         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10691         (scopdet_basic_block_info): Fix bug in scop detection.
10692         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10693         eq_loop_to_cloog_loop): Remove.
10694         (nb_loops_around_loop_in_scop, nb_loop
10695         ref_nb_loops): Moved here...
10696         * graphite.h (ref_nb_loops): ... from here.
10697         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10698         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10699         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10700         * testsuite/gcc.dg/graphite/scop-19.c: New
10701
10702 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10703             Hans-Peter Nilsson  <hp@axis.com>
10704
10705         PR rtl-optimization/37889
10706         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10707         Move offset handling from PLUS to before the switch.  Use new
10708         arguments when considering SYMBOL_REFs too.
10709         (rtx_addr_can_trap_p): Pass dummy offset and size.
10710         (enum may_trap_p_flags): Remove.
10711         (may_trap_p_1): Pass size from MEM_SIZE.
10712
10713         PR rtl-optimization/38921
10714         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10715         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10716         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10717         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10718
10719 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10720
10721         AVX Programming Reference (January, 2009)
10722         * config/i386/sse.md (*vpclmulqdq): New.
10723
10724 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10725
10726         PR tree-optimization/38977
10727         PR gcov-profile/38292
10728         * calls.c (special_function_p): Disregard __builtin_ prefix.
10729
10730 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10731
10732         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10733         non-indexable addresses even before reload.
10734
10735 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10736
10737         PR c/29129
10738         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10739         as having variable size.  Do not give an error for unnamed
10740         parameters with [*] declarators.  Give a warning for type names
10741         with [*] declarators and mark them as variable size.
10742         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10743         for sizeof applied to [*] type names.
10744
10745 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10746
10747         PR C++/36607
10748         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10749
10750 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10751
10752         * gcc.c (process_command): Update copyright notice dates.
10753         * gcov.c (print_version): Likewise.
10754         * gcov-dump.c (print_version): Likewise.
10755         * mips-tfile.c (main): Likewise.
10756         * mips-tdump.c (main): Likewise.
10757
10758 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10759
10760         PR c/35433
10761         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10762         for composite type involving a zero-length array type.
10763
10764 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10765
10766         PR target/35318
10767         * function.c (match_asm_constraints_1): Skip over
10768         initial optional % in the constraint.
10769
10770         PR inline-asm/39059
10771         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10772         supported, don't accept FIXED_CSTs.
10773         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10774         and _Sat is used without _Fract/_Accum.  Set specs->type to
10775         integer_type_node for cts_fract/cts_accum if fixed point is not
10776         supported.
10777
10778 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10779
10780         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10781
10782 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10783
10784         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10785         (ABI_HAS_64BIT_SYMBOLS): Use it.
10786         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10787
10788 2009-02-02  Paul Brook  <paul@codesourcery.com>
10789
10790         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10791
10792 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10793
10794         PR inline-asm/39058
10795         * recog.h (asm_operand_ok): Add constraints argument.
10796         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10797         recurse on matching constraint.
10798         (check_asm_operands): Pass constraints as 3rd argument to
10799         asm_operand_ok.  Don't look up matching constraint here.
10800         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10801         to asm_operand_ok.
10802
10803 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10804
10805         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10806         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10807
10808 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10809
10810         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10811         information.  Remove some obsolete information.  Reorganize.
10812
10813         * config/pa/fptr.c: Revert license to GPL 2.
10814         * config/pa/milli64.S: Likewise.
10815
10816 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10817
10818         PR target/38904
10819         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10820         LIBRARY name in, instead of hard-coding it.
10821         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10822         extra target make frag to tmake_files according to EH model.
10823         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10824         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10825         frags that define makefile variable EH_MODEL appropriately.
10826         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10827         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10828         to "-sjlj" according to type of EH configured.
10829         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10830         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10831         to "_sjlj" according to type of EH configured.
10832         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10833         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10834         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10835         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10836         string value of "pe_dll" command-line option.
10837         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10838         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10839         (SHLIB_IMPLIB):  Override t-cygming default.
10840         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10841         string value of "pe_dll" command-line option.
10842
10843 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10844
10845         PR target/38952
10846         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10847         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10848
10849 2009-01-31  Richard Guenther  <rguenther@suse.de>
10850
10851         PR tree-optimization/38937
10852         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10853         computing the transitive closure.
10854
10855 2009-01-30  Richard Guenther  <rguenther@suse.de>
10856
10857         PR tree-optimization/39041
10858         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10859         Propagate variable indices only if the types match for this stmt.
10860
10861 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10862
10863         PR target/39013
10864         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10865         inline but never defined.
10866
10867 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10868
10869         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10870         (*insv_h_di_reg_extimm): New insn.
10871         (*insv_l<mode>_reg_extimm): New insn.
10872
10873 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10874
10875         * config/picochip/picochip.c (flag_conserve_stack): set
10876         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10877         fconserve-stack. Reduce call-overhead used by inliner.
10878
10879 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10880
10881         PR/38157
10882         * common.opt (flag_conserve_stack): Initialised to zero.
10883
10884 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10885
10886         PR/39002
10887         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10888         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10889         method.
10890
10891 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10892
10893         * ira-color.c (allocno_reload_assign): Update comments.
10894         * regmove.c (regmove_optimize): Likewise.
10895
10896         * ra.h: Removed.
10897
10898 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10899
10900         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10901         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10902         `MD_UNWIND_SUPPORT'.
10903         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10904
10905 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10906
10907         PR tree-optimization/39007
10908         * tree-loop-distribution.c (generate_builtin): Use
10909         recompute_dominator to compute the immediate dominator of the
10910         basic block just after the loop.
10911
10912 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10913
10914         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10915         (ASM_OUTPUT_DWARF_PCREL): Define.
10916
10917 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10918
10919         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10920         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10921         global.  Modify entries about regmove and IRA.
10922
10923         * ra-conflict.c: Remove the file.
10924
10925         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10926
10927         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10928         (pass_regclass_init): Rename to pass_reginfo_init.
10929
10930         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10931
10932         * toplev.h (flag_ira): Remove.
10933
10934         * caller-save.c (setup_save_areas): Remove flag_ira.
10935
10936         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10937
10938         * global.c: Remove the file.
10939
10940         * opts.c (decode_options): Remove flag_ira.
10941
10942         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10943
10944         * regmove.c: Modify file description.
10945         (find_use_as_address, try_auto_increment): Define them only if
10946         AUTO_INC_DEC is defined.
10947         (replacement_quality, replace_in_call_usage, fixup_match_1,
10948         stable_and_no_regs_but_for_p): Remove.
10949         (reg_set_in_bb): Make it static.
10950         (regmove_optimize): Remove flag_ira and code which worked for
10951         !flag_ira.
10952
10953         * local-alloc.c: Remove the file.
10954
10955         * common.opt (fira): Remove.
10956
10957         * ira.c: Include except.h.
10958         (eliminable_regset): Move from global.c.
10959         (mark_elimination): Ditto.  Remove flag_ira.
10960         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10961         equiv_mem_modified, validate_equiv_mem_from_store,
10962         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10963         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10964         no_equiv, recorded_label_ref): Move from local-alloc.c.
10965         (update_equiv_regs): Ditto.  Make it static.
10966         (print_insn_chain, print_insn_chains): Move it from global.c.
10967         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10968         (build_insn_chain): Ditto.  Make it static.
10969         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10970         Rename to init_live_subregs.
10971         (gate_ira): Remove flag_ira.
10972
10973         * regclass.c: Rename reginfo.c.  Change file description.
10974         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10975         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10976         (init_reg_sets_1): Remove code for evaluation of
10977         reg_class_superclasses and losing_caller_save_reg_set.
10978         (init_regs): Remove init_reg_autoinc.
10979         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10980         ok_for_base_p_nonstrict): Remove.
10981         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10982         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10983         corresponding entries.
10984         (dump_regclass, record_operand_costs, scan_one_insn,
10985         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10986         record_address_regs, auto_inc_dec_reg_p): Remove.
10987         (gt-regclass.h): Rename to gt-reginfo.h.
10988
10989         * rtl.h (dump_global_regs, retry_global_alloc,
10990         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10991
10992         * Makefile.in (RA_H): Remove.
10993         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10994         Rename regclass.o to reginfo.o.
10995         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10996         gt-reginfo.h.
10997         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10998         (GTFILES): Rename regclass.c to reginfo.c.
10999
11000         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11001         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11002
11003         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11004         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11005         Remove flag_ira.
11006         (finish_spills): Ditto.  Remove code for !flag_ira.
11007
11008 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11009
11010         PR middle-end/35854
11011         * doc/invoke.texi (rtl debug options): Complete rewrite.
11012         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11013         to auto_inc_dec".
11014         * mode-switching.c (pass_mode_switching): Rename pass from
11015         "mode-sw" to "mode_sw".
11016         * except.c (pass_convert_to_eh_ranges): Rename pass from
11017         "eh-ranges" to "eh_ranges".
11018         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11019         to "subreg1".
11020
11021
11022 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11023             Alexander Monakov  <amonakov@ispras.ru>
11024
11025         PR middle-end/38857
11026         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11027         register.
11028         (move_exprs_to_boundary): Change return type and pass through
11029         should_move from move_op.  Relax assert.  Update usage ...
11030         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11031         cant_move.
11032         (move_op_orig_expr_found): Indicate that insn was disconnected from
11033         stream.
11034         (code_motion_process_successors): Do not call after_merge_succs
11035         callback if original expression was not found when traversing any of
11036         the branches.
11037         (code_motion_path_driver): Change return type.  Update prototype.
11038         (move_op): Update comment.  Add a new parameter (should_move).  Update
11039         prototype.  Set *should_move based on indication provided by
11040         move_op_orig_expr_found.
11041
11042 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11043
11044         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11045         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11046         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11047         * config/rs6000/rs6000.c (rs6000_override_options): Default
11048         avoid-indexed-addresses on for Power6, off for everything else.
11049         (avoiding_indexed_address_p): New function.
11050         (rs6000_legitimize_address): Use it.
11051         (rs6000_legitimate_address): Likewise.
11052         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11053
11054 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11055
11056         PR tree-optimization/38997
11057         * tree-loop-distribution.c (generate_memset_zero): Use
11058         POINTER_PLUS_EXPR for a pointer addition.
11059
11060 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11061
11062         * config/s390/s390.md (bswap<mode>2): New pattern added.
11063
11064 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11065
11066         * config/s390/s390.md (*tls_load_31): Added type attribute.
11067
11068 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11069
11070         * config/s390/s390.md: Fix a few comments.
11071
11072 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11073
11074         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11075         (*tm<mode>_full): Fixed z10prop attribute.
11076         (*tst<mode>_extimm): Fixed z10prop attribute.
11077         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11078         (*tstqiCCT_cconly): Fixed z10prop attribute.
11079         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11080         (*movsi_larl): Fixed z10prop attribute.
11081         (*movsi_zarch): Fixed z10prop attribute.
11082         (*movsi_eas): Fixed z10prop attribute.
11083         (*movhi): Fixed z10prop attribute.
11084         (*movqi): Fixed z10prop attribute.
11085         (*movstrictqi): Fixed z10prop attribute.
11086         (*mov<mode>): Fixed z10prop attribute.
11087         (*movcc): Fixed z10prop attribute.
11088         (*sethighpartdi_64): Fixed z10prop attribute.
11089         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11090         (*negdi2_sign_cc): Fixed z10prop attribute.
11091         (*negdi2_sign): Fixed z10prop attribute.
11092         (*absdi2_sign_cc): Fixed z10prop attribute.
11093         (*absdi2_sign): Fixed z10prop attribute.
11094         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11095         (*negabsdi2_sign): Fixed z10prop attribute.
11096         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11097         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11098         (doloop_si64): Fixed z10prop attribute.
11099         (doloop_si31): Fixed z10prop attribute.
11100         (doloop_long): Fixed z10prop attribute.
11101         (indirect_jump): Fixed z10prop attribute.
11102         (nop): Fixed z10prop attribute.
11103         (main_base_64): Fixed z10prop attribute.
11104         (reload_base_64): Fixed z10prop attribute.
11105
11106 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11107
11108         PR rtl-optimization/38740
11109         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11110         if !optimize.
11111         * config/mips/mips.c (mips_reorg): Likewise.
11112
11113 2009-01-28  Richard Guenther  <rguenther@suse.de>
11114
11115         PR tree-optimization/38926
11116         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11117         with the correct value id to a value.
11118         (do_regular_insertion): Use the value number of edoubleprime
11119         for the value number of the expr.
11120
11121         Revert
11122         2008-08-21  Richard Guenther  <rguenther@suse.de>
11123
11124         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11125         a PHI ask VN if it is already available.
11126         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11127         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11128
11129 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11130
11131         PR middle-end/38934
11132         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11133         set to varying whenever max has TREE_OVERFLOW set, similarly
11134         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11135
11136 2009-01-28  Richard Guenther  <rguenther@suse.de>
11137
11138         PR middle-end/38908
11139         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11140         uninitialized aggregate uses in call arguments.
11141
11142 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11143
11144         PR tree-optimization/38984
11145         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11146         the nothing_id variable if -fno-delete-null-pointer-checks.
11147
11148 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11149
11150         PR target/38988
11151         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11152         (set_got_offset_rex64): Ditto.
11153
11154 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11155
11156         PR target/38941
11157         * doc/extend.texi: Improve local variable with asm reg.
11158
11159 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11160
11161         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11162         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11163         was not supplied then set warn_packed_bitfield_compat to the
11164         default value of 1.
11165         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11166         against 1.
11167
11168 2009-01-27  Richard Guenther  <rguenther@suse.de>
11169
11170         PR tree-optimization/38503
11171         * cfgexpand.c (expand_gimple_basic_block): Ignore
11172         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11173         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11174         variables that cannot have TBAA applied.
11175         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11176         statements.
11177
11178 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11179
11180         PR middle-end/38969
11181         * calls.c (initialize_argument_information): Do not wrap complex
11182         arguments in SAVE_EXPR.
11183
11184 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11185
11186         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11187         (INSTALL_LIBGCC): Revert typo commit.
11188
11189 2009-01-26  Richard Guenther  <rguenther@suse.de>
11190
11191         PR tree-optimization/38745
11192         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11193         from special handling.
11194
11195 2009-01-26  Richard Guenther  <rguenther@suse.de>
11196
11197         PR tree-optimization/38745
11198         * tree-ssa.c (execute_update_addresses_taken): Do not include
11199         variables that cannot possibly be a register in not_reg_needs.
11200         Do not clear TREE_ADDRESSABLE on vars that may not become
11201         registers.
11202         * tree-ssa.c (update_alias_info_1): Include those in the set
11203         of addressable vars.
11204
11205 2009-01-26  Richard Guenther  <rguenther@suse.de>
11206
11207         PR middle-end/38851
11208         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11209         * tree-ssa-dse.c: Include langhooks.h
11210         (execute_simple_dse): Remove stores with zero size.
11211
11212 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11213
11214         PR c/38957
11215         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11216         as PLUS_EXPR.
11217
11218 2009-01-24  Julian Brown  <julian@codesourcery.com>
11219
11220         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11221         config/arm/linux-atomic.c.
11222         * config/arm/linux-atomic.c: New.
11223
11224 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11225
11226         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11227         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11228         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11229
11230 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11231
11232         PR c/38938
11233         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11234         properly.
11235
11236 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11237
11238         PR tree-optimization/38953
11239         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11240         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11241         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11242         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11243         changed the CFG.
11244
11245 2009-01-24  Paul Brook  <paul@codesourcery.com>
11246
11247         * config/arm/neon.md (neon_type): Move to arm.md.
11248         (neon_mov<VSTRUCT>): Add neon_type attribute.
11249         * config/arm/arm.md (neon_type): Move to here.
11250         (conds): Add "unconditioal" and use as default for NEON insns.
11251
11252 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11253
11254         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11255         void *' warning from -Wc++-compat.
11256         * Makefile.in (dominance.o-warn): Remove.
11257
11258 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11259
11260         PR tree-optimization/38932
11261         * fold-const.c (fold_unary_ignore_overflow): New.
11262         * tree.h (fold_unary_ignore_overflow): Declare.
11263         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11264         * tree-ssa-sccvn.c (visit_reference_op_load,
11265         simplify_unary_expression): Likewise.
11266
11267 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11268
11269         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11270         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11271         regardless of their type.
11272         * c-common.c (handle_packed_attribute): Don't ignore packed on
11273         bitfields.
11274         * c.opt (Wpacked-bitfield-compat): New warning option.
11275         * stor-layout.c (place_field): Warn if offset of a field changed.
11276         * doc/extend.texi (packed): Mention the ABI change.
11277         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11278         (Warning Options): Add it to the list.
11279
11280 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11281
11282         * c-opts.c (c_common_post_options): Fix a typo in comments.
11283
11284 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11285
11286         PR middle-end/38615
11287         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11288         variables to static.
11289         * doc/invoke.texi (-fmerge-all-constants): Update description.
11290
11291 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11292
11293         PR target/38931
11294         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11295         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11296
11297 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11298
11299         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11300         a word boundary.
11301         (LOCAL_ALIGNMENT): Similarly.
11302
11303 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11304             Joseph Myers  <joseph@codesourcery.com>
11305
11306         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11307         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11308         * config/arm/arm-tune.md: Regenerate.
11309         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11310         -march=iwmmxt2.
11311
11312 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11313
11314         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11315         version number to five.
11316
11317 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11318
11319         PR c++/38930
11320         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11321         * c-common.c (set_underlying_type): Likewise.
11322         (is_typedef_decl ): Likewise
11323         * tree.h: Likewise
11324         (set_underlying_type): Likewise.
11325         (is_typedef_type): Likewise.
11326
11327 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11328
11329         PR middle-end/38587
11330         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11331         crossing setjmps.
11332
11333 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11334
11335         PR bootstrap/37660
11336         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11337         (LIBGCC_SPEC):  Don't define.
11338         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11339
11340 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11341
11342         PR rtl-optimization/38879
11343         * alias.c (base_alias_check): Unaligned access via AND address can
11344         alias all surrounding object types except those with sizes equal
11345         or wider than the size of unaligned access.
11346
11347 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11348
11349         PR c++/26693
11350         * c-decl.c (clone_underlying_type): Move this ...
11351         * c-common.c (set_underlying_type): ... here.
11352         Also, make sure the function properly sets TYPE_STUB_DECL() on
11353         the newly created typedef variant type.
11354         (is_typedef_decl ): New entry point.
11355         * tree.h: Added a new member member_types_needing_access_check to
11356         struct tree_decl_non_common.
11357         (set_underlying_type): New entry point.
11358         (is_typedef_type): Likewise.
11359
11360 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11361
11362         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11363         Check whether two instructions have memory references that
11364         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11365         are helper functions for traversing.
11366         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11367         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11368         not to draw dependency edge for instructions with non-conflicting
11369         alias sets.
11370
11371 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11372
11373         PR other/38758
11374         * longlong.h: Update copyright years.  Use soft-fp license notice.
11375         Sync __clz_tab declaration with glibc.
11376
11377 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11378
11379         PR target/30687
11380         * doc/extend.texi (syscall_linkage): New.
11381         (version_id): Modify.
11382
11383 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11384             Richard Guenther  <rguenther@suse.de>
11385
11386         PR tree-optimization/38747
11387         PR tree-optimization/38748
11388         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11389         conversion if the base address is an indirect reference and the
11390         aliasing sets could cause issues.
11391
11392 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11393
11394         * common.opt (fgraphite, fgraphite-identity): Add comment for
11395         explaining why these options are not documented.
11396
11397 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11398
11399         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11400         gimple_call_lhs is NULL.
11401
11402 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11403
11404         PR target/38868
11405         * emit-rtl.c (adjust_address_1): Make sure memref is never
11406         overwritten.
11407
11408 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11409
11410         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11411         const qualifier from arg parameter. Remove unnecessary cast to char *.
11412         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11413         const qualifier from arg 2.
11414
11415 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11416
11417         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11418
11419 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11420
11421         PR c/38869
11422         * rtl.h (reinit_regs): New prototype.
11423         * regclass.c: Include ira.h.
11424         (reinit_regs): New.
11425         * Makefile.in (regclass.o): Add ira.h.
11426         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11427
11428 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11429
11430         PR target/38736
11431         * c-common.c (handle_aligned_attribute): Use
11432         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11433         default alignment value.
11434
11435         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11436
11437         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11438         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11439
11440         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11441         __BIGGEST_ALIGNMENT__.
11442
11443         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11444
11445 2009-01-18  Richard Guenther  <rguenther@suse.de>
11446
11447         PR tree-optimization/38819
11448         * tree-flow.h (operation_could_trap_helper_p): Declare.
11449         * tree-eh.c (operation_could_trap_helper_p): Export.
11450         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11451         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11452         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11453         are about to insert a possibly trapping instruction and fail
11454         in this case.
11455
11456 2009-01-18  Andreas Schwab  <schwab@suse.de>
11457
11458         * doc/install.texi (Configuration): Remove obsolete paragraph
11459         about use of --with-gnu-ld with --with-gnu-as.
11460
11461 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11462
11463         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11464         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11465         Follow spelling conventions.
11466
11467 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11468
11469         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11470         C++ warning about implicit conversion from void * to struct
11471         bitmap_head_def *.
11472         (bitmap_obstack_free): Likewise for bitmap_element *.
11473         * Makefile.in (bitmap.o-warn): Remove.
11474
11475 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11476
11477         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11478
11479 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11480             Tobias Grosser  <tobi.grosser@amd.com>
11481
11482         * graphite.c (graphite_trans_scop_block): Do not block single
11483         nested loops.
11484
11485 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11486
11487         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11488         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11489         test with assertion.
11490
11491 2009-01-16  Richard Guenther  <rguenther@suse.de>
11492
11493         PR tree-optimization/38835
11494         PR middle-end/36227
11495         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11496         and INT + PTR -> (INT)(PTR p+ INT) folding.
11497         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11498
11499 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11500
11501         PR target/38554
11502         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11503         the subreg from a lowpart subreg if it is also casting the value.
11504
11505 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11506             Tobias Grosser  <tobi.grosser@amd.com>
11507
11508         * graphite.c (compare_prefix_loops): New.
11509         (build_scop_canonical_schedules): Rewritten.
11510         (graphite_transform_loops): Move build_scop_canonical_schedules
11511         after build_scop_iteration_domain.
11512
11513 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11514             Tobias Grosser  <tobi.grosser@amd.com>
11515
11516         * graphite.c (add_conditions_to_domain): Add the loops to
11517         the dimension of the iteration domain.  Do copy the domain
11518         only when it exists.
11519         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11520         (add_conditions_to_constraints): New.
11521         (can_generate_code_stmt, can_generate_code): Removed.
11522         (gloog): Do not call can_generate_code.
11523         (graphite_transform_loops): Call add_conditions_to_constraints
11524         after building the iteration domain.
11525
11526 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11527
11528         PR tree-optimization/38789
11529         * tree-ssa-threadedge.c
11530         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11531         __builtin_constant_p.
11532
11533 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11534
11535         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11536         examined before deleting them.
11537
11538 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11539
11540         * function.c (aggregate_value_p): Correctly extract the function
11541         type from CALL_EXPR_FN lookup.
11542
11543 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11544
11545         * config/picochip/picochip.c (picochip_override_options): Revert
11546         CFI asm flag disable commited previously.
11547
11548 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11549             Tobias Grosser  <tobi.grosser@amd.com>
11550             Jan Sjodin  <jan.sjodin@amd.com>
11551
11552         * graphite.c (scan_tree_for_params): On substractions negate
11553         all the coefficients of the term.
11554         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11555         of more than two operands.
11556         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11557         (get_vdef_before_scop): Handle also the case of default definitions.
11558
11559 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11560
11561         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11562         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11563         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11564
11565 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11566             Joey Ye  <joey.ye@intel.com>
11567
11568         PR middle-end/37843
11569         * cfgexpand.c (expand_stack_alignment): Don't update stack
11570         boundary nor check incoming stack boundary here.
11571         (gimple_expand_cfg): Update stack boundary and check incoming
11572         stack boundary here.
11573
11574 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11575
11576         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11577
11578 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11579
11580         PR rtl-optimization/38245
11581         * calls.c (expand_call): Add stack arguments to
11582         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11583         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11584         in regs and partially in memory or BLKmode arguments.
11585         (emit_library_call_value_1): Add stack arguments to
11586         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11587         ACCUMULATE_OUTGOING_ARGS).
11588         * dce.c: Include tm_p.h.
11589         (find_call_stack_args): New function.
11590         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11591         argument.
11592         (mark_insn): Call find_call_stack_args for CALL_Ps.
11593         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11594         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11595         down to deletable_insn_p, don't mark stores set in arg_stores
11596         bitmap, clear the bitmap at the beginning of each bb.
11597         * Makefile.in (dce.o): Depend on $(TM_P_H).
11598
11599 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11600
11601         PR target/22599
11602         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11603         to make sure the insn is a conditional test (bug 22599).  Reformat a
11604         few long lines.
11605
11606 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11607
11608         PR middle-end/38431
11609         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11610         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11611         (gloog): Do not call cleanup_tree_cfg.
11612         (graphite_transform_loops): Call cleanup_tree_cfg after all
11613         scops have been code generated.
11614
11615 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11616         * doc/gty.texi (Invoking the garbage collector): Added new node
11617         and section documenting ggc_collect.
11618
11619 2009-01-14  Richard Guenther  <rguenther@suse.de>
11620
11621         PR tree-optimization/38826
11622         PR middle-end/38477
11623         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11624         initialization notes only if we actually emitted a warning.
11625         (intra_create_variable_infos): Add constraints for a result decl
11626         that is passed by hidden reference.
11627         (build_pred_graph): Mark all related variables non-direct on
11628         address-taking.
11629
11630 2009-01-14  Nick Clifton  <nickc@redhat.com>
11631
11632         * ira-conflicts.c: Include addresses.h for the definition of
11633         base_reg_class.
11634         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11635         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11636
11637 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11638
11639         PR target/38811
11640         * Makefile.in (ira-lives.o): Add except.h.
11641
11642         * ira-lives.c: Include except.h.
11643         (process_bb_node_lives): Process can_throw_internal.
11644
11645 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11646
11647         PR rtl-optimization/38774
11648         * combine.c (simplify_set): When undoing cc_use change, don't do
11649         PUT_CODE on the newly created comparison, but instead put back the
11650         old comparison.
11651
11652 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11653
11654         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11655         values.  Remove duplicate arm8 entry.
11656
11657 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11658
11659         PR tree-optimization/38786
11660         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11661         the SSA_NAME case of expand_scalar_variables_expr.
11662         Set the type of an expression to the type of its assign statement.
11663         (expand_scalar_variables_expr): Also gather the scalar computation
11664         used to index the memory access.  Do not pass loop_p.
11665         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11666         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11667         the gimple_stmt_iterator where it inserts new code.
11668         Do not pass loop_p.
11669         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11670         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11671
11672 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11673
11674         * graphite.h (debug_value): Removed.
11675         * graphite.c (debug_value): Removed.
11676
11677 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11678
11679         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11680         ldrd/strd with two 32-bit instructions.
11681
11682 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11683
11684         * config/arm/arm.c (struct processors): Pass for speed down into
11685         cost helper functions.
11686         (const_ok_for_op): Handle COMPARE and inequality nodes.
11687         (arm_rtx_costs_1): Rewrite.
11688         (arm_size_rtx_costs): Update prototype.
11689         (arm_rtx_costs): Pass speed down to helper functions.
11690         (arm_slowmul_rtx_costs): Rework cost calculations.
11691         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11692         (arm_9e_rtx_costs): Likewise.
11693
11694 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11695
11696         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11697         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11698         (alpha_legitimize_address): Do not split local symbols wider than
11699         UNITS_PER_WORD into HIGH/LO_SUM parts.
11700
11701 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11702
11703         PR bootstrap/38580
11704         * gcc.c (process_command): Replace call to execvp with calls
11705         to pex_one and exit.
11706
11707 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11708
11709         PR target/29141
11710         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11711         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11712         variant for devices with 3-byte PC.
11713         (__tablejump_elpm__): New.
11714
11715 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11716
11717         PR c/32041
11718         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11719         offsetof member-designator, handle it as `[0].'.
11720
11721 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11722
11723         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11724         function when not using named sections on targets with named sections
11725         if branch distance is less than 262132.
11726
11727 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11728
11729         * combine.c (combine_instructions):  Recompute
11730         optimize_this_for_speed_p  for each BB in the main combine loop.
11731
11732 2009-01-12  Tomas Bily  <tbily@suse.cz>
11733
11734         PR middlend/38385
11735         * tree-loop-distribution.c (prop_phis): New function.
11736         (generate_builtin): Call prop_phis.
11737         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11738
11739 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11740
11741         PR tree-optimization/38807
11742         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11743         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11744
11745 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11746
11747         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11748         subreg of op0 to the original op0.
11749
11750 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11751
11752         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11753
11754 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11755
11756         PR debug/7055
11757         * mips-tfile.c (parse_def): Fix parsing of def strings
11758         starting with digits.
11759
11760 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11761
11762         PR target/38695
11763         * config/arm/arm.c (arm_is_long_call_p): Don't call
11764         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11765
11766 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11767
11768         * regrename.c (regrename_optimize): Fix dumping.
11769         (find_oldest_value_reg): Preserve REG_POINTER.
11770         (copy_hardreg_forward_1): Likewise.
11771
11772 2009-01-09  Diego Novillo  <dnovillo@google.com>
11773
11774         * gimple.h (struct gimple_statement_base) <uid>: Document
11775         the restrictions on its use.
11776         (gimple_uid): Tidy.
11777         (gimple_set_uid): Tidy.
11778
11779 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11780
11781         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11782         zero guard even if align_bytes != 0 and count is smaller than
11783         size_needed.
11784
11785 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11786
11787         PR rtl-optimization/38495
11788         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11789         (add_range_and_copies_from_move_list): Print all added ranges.
11790         Add ranges to memory optimized destination.
11791
11792 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11793
11794         PR target/38686
11795         PR target/38708
11796         * config/i386/i386.c (override_options): Reject
11797         -mstringop-strategy=rep_8byte with -m32.
11798         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11799         to 1.  Do count comparison against epilogue_size_needed at compile
11800         time even when count_exp was constant forced into register.  For
11801         size_needed don't jump to epilogue, instead just avoid aligning
11802         and invoke the body algorithm.  If need_zero_guard, add zero guard
11803         even if count is non-zero, but smaller than size_needed + number of
11804         bytes that could be stored for alignment.
11805         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11806         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11807         but smaller than size_needed + number of bytes that could be stored
11808         for alignment.  Compare size_needed with epilogue_size_needed instead
11809         of desired_align - align, don't adjust size_needed, pass
11810         epilogue_size_needed to the epilogue expanders.
11811
11812         PR c/35742
11813         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11814
11815 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11816
11817         * pa.c (last_address): Change to unsigned.
11818         (update_total_code_bytes): Change argument to unsigned.  Don't
11819         check if insn addresses are set.
11820         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11821         addresses are not set.
11822         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11823
11824 2009-01-09  Nick Clifton  <nickc@redhat.com>
11825
11826         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11827         DECL_DECLARED_INLINE_P.
11828
11829 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11830
11831         PR middle-end/38347
11832         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11833         GET_MODE (op0) in operand_subword_force calls.
11834
11835         PR middle-end/38771
11836         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11837         fold_convert arg0 operands to TREE_TYPE (op0) first.
11838
11839 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11840
11841         * params.def (ira-max-conflict-table-size): Decrease default value
11842         to 1000.
11843
11844 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11845
11846         PR tree-optimization/37031
11847         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11848         on parameter_set.
11849         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11850         allocate it using gc instead of heap, use VEC_quick_push instead of
11851         VEC_safe_push.
11852         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11853         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11854         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11855         allocated vector from heap allocated.
11856         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11857         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11858         vector only after perfect_loop_nest_depth call.
11859
11860 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11861             Jan Sjodin  <jan.sjodin@amd.com>
11862
11863         PR tree-optimization/38559
11864         * graphite.c (debug_value, copy_constraint,
11865         swap_constraint_variables, scale_constraint_variable, ): New.
11866         (get_lower_bound, get_upper_bound): Removed.
11867         (graphite_trans_bb_strip_mine): Clean up this code that works
11868         only for constant number of iterations.  Fully copy upper and
11869         lower bound constraints, not only the constant part of them.
11870         * graphite.h (debug_value): Declared.
11871
11872 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11873
11874         PR tree-optimization/37194
11875         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11876         Don't add the cost of cost model guard in prologue to scalar
11877         outside cost in case of known number of iterations.
11878
11879 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11880             Alan Modra  <amodra@bigpond.net.au>
11881
11882         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11883         non-word-aligned REG+CONST addressing.
11884
11885 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11886
11887         PR target/38706
11888         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11889         free_after_compilation when outputting a thunk.
11890         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11891         Do not call free_after_compilation here.
11892
11893 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11894
11895         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11896         (ix86_valid_target_attribute_inner_p): Ditto.
11897
11898 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11899
11900         PR tree-optimization/38492
11901         PR tree-optimization/38498
11902         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11903         * tree-chrec.h (scev_is_linear_expression): Declared.
11904         * graphite.c (graphite_cannot_represent_loop_niter): New.
11905         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11906         (graphite_loop_normal_form): Use gcc_assert.
11907         (scan_tree_for_params): Use CASE_CONVERT.
11908         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11909         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11910         Use gcc_assert.  Discard scops that contain unhandled cases.
11911         (build_scop_conditions): Return a boolean status for unhandled cases.
11912         (strip_mine_profitable_p): Print the loop number, not its depth.
11913         (is_interchange_valid): Pass the depth of the loop nest, don't
11914         recompute it wrongly.
11915         (graphite_trans_bb_block): Same.
11916         (graphite_trans_bb_block): Print tentative of loop blocking.
11917         (graphite_trans_scop_block): Do not print that the loop has been
11918         blocked.
11919         (graphite_transform_loops): Do not handle scops that contain condition
11920         scalar phi nodes.
11921
11922 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11923
11924         AVX Programming Reference (December, 2008)
11925         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11926         (_mm256_stream_pd): Likewise.
11927         (_mm256_stream_ps): Likewise.
11928
11929         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11930         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11931         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11932         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11933         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11934         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11935         (ix86_expand_special_args_builtin): Likewise.
11936
11937         * config/i386/sse.md (AVXMODEDI): New.
11938         (avx_movnt<mode>): Likewise.
11939         (avx_movnt<mode>): Likewise.
11940         (<sse>_movnt<mode>): Remove AVX support.
11941         (sse2_movntv2di): Likewise.
11942
11943 2009-01-07  Richard Guenther  <rguenther@suse.de>
11944
11945         PR middle-end/38751
11946         * fold-const.c (extract_muldiv): Remove obsolete comment.
11947         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11948         to PLUS_EXPR canonicalization for the canonicalization.
11949
11950 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11951
11952         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11953         hosted cross-compilers generating less efficient code.
11954
11955 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11956
11957         * function.h (rtl_data): Add a dbr_scheduled_p field.
11958         * reorg.c (dbr_schedule): Set it.
11959         (gate_handle_delay_slots): Check it.
11960         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11961         (mips_reorg): Check flag_delayed_branch instead of
11962         mips_base_delayed_branch.
11963         (mips_override_options): Don't set mips_base_delayed_branch
11964         or flag_delayed_branch.
11965
11966 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11967
11968         PR rtl-optimization/38426.
11969         * ira.c (ira): Set current_function_is_leaf earlier.
11970
11971 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11972
11973         PR rtl-optimization/38722
11974         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11975         too early, only set a flag and modify after last possible
11976         undo_all point.
11977
11978 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11979
11980         PR c/34252
11981         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11982         * real.c (decimal_single_format): Correct values of emin and emax.
11983         (decimal_double_format): Ditto.
11984         (decimal_quad_format): Ditto.
11985         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11986         computation of DECnn_MIN and DECnn_MAX for corrected values of
11987         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11988         __DECnn_MIN__, and adjust its computation for the corrected value
11989         of emin.
11990
11991 2009-01-06  Jan Hubicka  <jh@suse.cz>
11992
11993         PR target/38744
11994         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11995
11996 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11997
11998         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11999         Add Robert Clark to the list of testers.
12000
12001 2009-01-06  Jan Hubicka  <jh@suse.cz>
12002             Kai Tietz  <kai.tietz@onevision.com>
12003
12004         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12005         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12006
12007 2009-01-06  Jan Hubicka  <jh@suse.cz>
12008             Kai Tietz  <kai.tietz@onevision.com>
12009
12010         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12011         for w64 ABI.
12012         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12013         (ix86_nsaved_regs): Count only general purpose regs.
12014         (ix86_nsaved_sseregs): New.
12015         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12016         to 16 for w64; compute padding and size of sse reg save area.
12017         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12018         general purpose regs.
12019         (ix86_emit_save_sse_regs_using_mov): New.
12020         (ix86_expand_prologue): Save SSE regs if needed.
12021         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12022         (ix86_emit_restore_sse_regs_using_mov): New.
12023         (ix86_expand_epilogue): Save SSE regs if needed.
12024
12025 2009-01-06  Jan Hubicka  <jh@suse.cz>
12026             Kai Tietz  <kai.tietz@onevision.com>
12027
12028         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12029         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12030         functions when accumulate outgoing args is off.
12031
12032 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12033
12034         PR bootstrap/38742
12035         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12036         before using pseudos_have_intersected_live_ranges_p.
12037
12038         * ira-int.h (ira_assert): Always define.
12039
12040 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12041
12042         AVX Programming Reference (December, 2008)
12043         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12044         (_mm256_permute2_pd): Likewise.
12045         (_mm_permute2_ps): Likewise.
12046         (_mm256_permute2_ps): Likewise.
12047         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12048         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12049
12050         * config/i386/i386.c (ix86_builtins): Remove
12051         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12052         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12053         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12054         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12055         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12056         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12057         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12058         __builtin_ia32_vpermil2ps256.
12059         (ix86_init_mmx_sse_builtins): Updated.
12060         (ix86_expand_args_builtin): Likewise.
12061
12062 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12063
12064         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12065         long absolute calls when generating PA 2.0 code.
12066
12067 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12068
12069         PR rtl-optimization/38583
12070         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12071
12072         * params.def (ira-max-conflict-table-size): New.
12073
12074         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12075
12076         * ira.h (ira_conflicts_p): New external definition.
12077
12078         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12079         table.  Report this.  Return result of building.
12080         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12081         building conflict table.
12082
12083         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12084         (ira_color): Use ira_conflicts_p.
12085
12086         * global.c: Include ira.h.
12087         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12088         ira_conflicts_p.
12089
12090         * Makefile.in (global.o): Add ira.h.
12091
12092         * ira-build.c (mark_all_loops_for_removal,
12093         propagate_some_info_from_allocno): New.
12094         (remove_unnecessary_allocnos): Call
12095         propagate_some_info_from_allocno.
12096         (remove_low_level_allocnos): New.
12097         (remove_unnecessary_regions): Add parameter.  Call
12098         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12099         parameter to remove_unnecessary_regions.
12100         (ira_build): Remove all regions but root if the conflict table was
12101         not built.  Update conflict hard regs for allocnos crossing calls.
12102
12103         * ira.c (ira_conflicts_p): New global.
12104         (ira): Define and use ira_conflicts_p.
12105
12106         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12107         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12108         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12109
12110 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12111
12112         * gengtype-lex.l (YY_NO_INPUT): Define.
12113
12114 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12115
12116         PR c/34911
12117         * c-common.c (handle_vector_size_attribute): Also reject
12118         BOOLEAN_TYPE types.
12119
12120 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12121
12122         PR tree-optimization/38492
12123         * graphite.c (rename_map_elt, debug_rename_elt,
12124         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12125         rename_map_elt_info, eq_rename_map_elts,
12126         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12127         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12128         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12129         (sese_build_livein_liveouts): New.
12130         (new_sese, free_sese): New.
12131         (new_scop): Call new_sese.
12132         (free_scop): Call free_sese.
12133         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12134         (register_old_new_names): Renamed register_old_and_new_names.
12135         (register_scop_liveout_renames, add_loop_exit_phis,
12136         insert_loop_close_phis, struct igp,
12137         default_liveout_before_guard, add_guard_exit_phis,
12138         insert_guard_phis, copy_renames): New.
12139         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12140         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12141         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12142         (scop_adjust_phis_for_liveouts): New.
12143         (gloog): Call scop_adjust_phis_for_liveouts.
12144
12145         * graphite.h (struct sese): Documented.  Added fields liveout,
12146         num_ver and livein.
12147         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12148         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12149         (struct scop): Added field liveout_renames.
12150         (SCOP_LIVEOUT_RENAMES): New.
12151
12152 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12153
12154         PR tree-optimization/38510
12155         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12156         (translate_clast): Call recompute_all_dominators before
12157         graphite_verify.
12158         (gloog): Call recompute_all_dominators before graphite_verify.
12159
12160 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12161             Jan Sjodin  <jan.sjodin@amd.com>
12162
12163         PR tree-optimization/38500
12164         * graphite.c (create_sese_edges): Call fix_loop_structure after
12165         splitting blocks.
12166
12167 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12168
12169         * config.gcc: Add m32r*-*-rtems*.
12170         * config/m32r/rtems.h: New file.
12171
12172 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12173
12174         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12175         (.po.pox): Likewise.
12176         (po/gcc.pot): Likewise.
12177
12178 2009-01-04  David S. Miller  <davem@davemloft.net>
12179
12180         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12181         (STARTING_FRAME_OFFSET): Always set to zero.
12182
12183 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12184
12185         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12186         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12187         fixed-point types, and vectors of the same.
12188
12189 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12190
12191         * config/mips/sync.md (*mb_barrier): Rename to...
12192         (*memory_barrier): ...this.
12193
12194 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12195
12196         * doc/extend.texi (Function Attributes): Move @cindex after @item
12197         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12198         and put in alphabetical order. Fix 'target' name and put in order.
12199         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12200         typos.
12201
12202 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12203
12204         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12205         (memory_barrier): Expand as unspec instead of unspec_volatile.
12206         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12207         (*memory_barrier): Define as unspec instead of unspec_volatile.
12208         Use (match_dup 0) as input operand.
12209
12210         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12211         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12212         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12213         scratch register.  Remove operand 1.
12214         (*stbar): Define as unspec instead of unspec_volatile.
12215         Use (match_dup 0) as input operand, remove (const_int 8).
12216         (*membar): Define as unspec instead of unspec_volatile.
12217         Use (match_dup 0) as input operand, remove input operand 2.
12218
12219         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12220         (memory_barrier): Expand as unspec instead of unspec_volatile.
12221         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12222         (*memory_barrier): Define as unspec instead of unspec_volatile.
12223         Use (match_dup 0) as input operand.
12224
12225         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12226         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12227         Set volatile flag on operand 0.
12228         (*memory_barrier): New insn pattern.
12229
12230         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12231         insn operands.
12232         (*memory_barrier): Use (match_dup 0) as input operand.
12233
12234         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12235         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12236         Set volatile flag on operand 0.
12237         (*mb_internal): New insn pattern.
12238
12239         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12240
12241 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12242
12243         PR middle-end/38586
12244         * function.c (struct temp_slot): Move to the section of the file
12245         that deals with temp slots.  Remove field 'address'.
12246         (temp_slot_address_table): New hash table of address -> temp slot.
12247         (struct temp_slot_address_entry): New struct, items for the table.
12248         (temp_slot_address_compute_hash, temp_slot_address_hash,
12249         temp_slot_address_eq, insert_temp_slot_address): Support functions
12250         for the new table.
12251         (find_temp_slot_from_address): Rewrite to use the new hash table.
12252         (remove_unused_temp_slot_addresses): Remove addresses of temp
12253         slots that have been made available.
12254         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12255         worker function for remove_unused_temp_slot_addresses.
12256         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12257         Add the temp slot address to the address -> temp slot map.
12258         (update_temp_slot_address): Update via insert_temp_slot_address.
12259         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12260         (pop_temp_slots): Likewise.
12261         (init_temp_slots): Allocate the address -> temp slot map, or empty
12262         the map if it is already allocated.
12263         (prepare_function_start): Initialize temp slot processing.
12264
12265 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12266
12267         PR middle-end/38584
12268         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12269         Calculate the size of all stack vars assuming no packing of stack
12270         vars will happen, replacing a quadratic algorithm with a linear one.
12271
12272 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12273
12274         PR target/38707
12275         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12276         can't be used.
12277
12278 2009-01-03  Diego Novillo  <dnovillo@google.com>
12279
12280         * doc/contrib.texi: Update contributions.
12281
12282 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12283
12284         PR c++/38705
12285         * builtins.c (fold_builtin_memory_op): Give up if either operand
12286         is volatile.  Set srctype or desttype to non-qualified version
12287         of the other type.
12288
12289         PR c/38700
12290         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12291         and FUNCTION_DECLs.
12292
12293 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12294
12295         PR rtl-optimization/35805
12296         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12297         problem if fast dce is able to remove any instructions.
12298         * dce.c (dce_process_block): Fix dump message.
12299
12300 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12301
12302         PR 33649
12303         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12304
12305 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12306
12307         PR middle-end/38690
12308         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12309         * tree-pretty-print.c (op_code_prio): New function.
12310         (op_prio): No longer static.  Use op_code_prio.
12311         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12312         Use op_prio and op_code_prio to determine if () should be
12313         printed around operand(s) or not.
12314
12315         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12316         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12317         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12318         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12319         pp_character instead of pp_string for single letter printing.
12320
12321 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12322
12323         * doc/extend.texi: Fix '#pragma GCC option' typo.
12324
12325 2009-01-02  Richard Guenther  <rguenther@suse.de>
12326
12327         * doc/install.texi (--enable-checking): Mention different
12328         default for stage1.
12329         (--enable-stage1-checking): Document.
12330
12331 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12332
12333         PR middle-end/30142
12334         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12335         case to be an error.
12336
12337 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12338
12339         * config/fp-bit.h (pack_d): Constify argument.
12340         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12341         (isnan): Constify argument.
12342         (isinf): Likewise.
12343         (iszero): Likewise.
12344         (pack_d): Likewise.
12345         (_fpadd_parts): Constify return type.
12346         (_fpmul_parts): Likewise.
12347         (_fpdiv_parts): Likewise.
12348
12349 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12350
12351         PR c/36489
12352         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12353         warn about overwriting initializer with side-effects or
12354         -Woverride-init if !IMPLICIT.
12355         (output_init_element): Likewise.  Pass IMPLICIT down to
12356         add_pending_init.
12357         (process_init_element): Add IMPLICIT argument.  Pass it down
12358         to output_init_element.
12359         (push_init_element, pop_init_level, set_designator): Adjust
12360         process_init_element callers.
12361         (set_nonincremental_init, set_nonincremental_init_from_string):
12362         Adjust add_pending_init callers.
12363         (output_pending_init_elements): Adjust output_init_element callers.
12364         * c-tree.h (process_init_element): Adjust prototype.
12365         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12366         process_init_element callers.
12367
12368 \f
12369 Copyright (C) 2009 Free Software Foundation, Inc.
12370
12371 Copying and distribution of this file, with or without modification,
12372 are permitted in any medium without royalty provided the copyright
12373 notice and this notice are preserved.