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2009-05-18 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/39942
4         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
5         gen_align with gen_pad.
6         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
7         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
8
9         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
10         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
11
12         * config/i386/i386.md (align): Renamed to ...
13         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
14         ASM_OUTPUT_MAX_SKIP_PAD.
15
16 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
17
18         * config.gcc: Fix variable syntax.
19
20         PR target/39531
21         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
22         before calling exact_log2.
23         (output_iorsi3): Likewise.
24         (output_xorsi3): Likewise.
25
26 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
27
28         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
29         for the none zero constant operand except for EQ and NE
30         comprisons even when the first operand is R0.
31
32 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
33
34         * config/s390/2064.md: Remove trailing whitespaces.
35         * config/s390/2084.md: Likewise.
36         * config/s390/constraints.md: Likewise.
37         * config/s390/fixdfdi.h: Likewise.
38         * config/s390/libgcc-glibc.ver: Likewise.
39         * config/s390/s390-modes.def: Likewise.
40         * config/s390/s390-protos.h: Likewise.
41         * config/s390/s390.c: Likewise.
42         * config/s390/s390.h: Likewise.
43         * config/s390/s390.md: Likewise.
44         * config/s390/tpf-unwind.h: Likewise.
45
46 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
47
48         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
49
50 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
51
52         M68K TLS support.
53         * configure.ac (m68k-*-*): Check if binutils support TLS.
54         * configure: Regenerate.
55         * config/m68k/predicates.md (symbolic_operand): Extend comment.
56         * config/m68k/constraints.md (Cu): New constraint.
57         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
58         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
59         (movsi): Handle TLS symbols.
60         (addsi3_5200): Handle XTLS symbols, indent.
61         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
62         (m68k_tls_reference_p): Declare.
63         (m68k_legitimize_address): Declare.
64         (m68k_unwrap_symbol): Declare.
65         * config/m68k/m68k.opt (mxtls): New option.
66         * config/m68k/m68k.c (ggc.h): Include.
67         (m68k_output_dwarf_dtprel): Implement hook.
68         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
69         (m68k_expand_prologue): Load GOT pointer when function needs it.
70         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
71         (m68k_legitimate_constant_address_p): Same.
72         (m68k_decompose_address): Handle TLS references.
73         (m68k_get_gp): New static function.
74         (enum m68k_reloc): New contants.
75         (TLS_RELOC_P): New macro.
76         (m68k_wrap_symbol): New static function.
77         (m68k_unwrap_symbol): New function.
78         (m68k_final_prescan_insn_1): New static function.
79         (m68k_final_prescan_insn): New function.
80         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
81         functions.
82         (legitimize_pic_address): Handle TLS references..
83         (m68k_tls_get_addr, m68k_get_tls_get_addr)
84         (m68k_libcall_value_in_a0_p)
85         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
86         (m68k_call_m68k_read_tp): Helper variables and functions for ...
87         (m68k_legitimize_tls_address): Handle TLS references.
88         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
89         New functions.
90         (m68k_legitimize_address): Handle TLS symbols.
91         (m68k_get_reloc_decoration): New static function.
92         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
93         UNSPEC_RELOC32.
94         (m68k_output_dwarf_dtprel): Implement hook.
95         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
96         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
97         m68k_call_* routines.
98         (sched_attr_op_type): Handle TLS symbols.
99         (gt-m68k.h): Include.
100         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
101         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
102
103 2009-05-18  Martin Jambor  <mjambor@suse.cz>
104
105         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
106         (visit_store_addr_for_mod_analysis): New function.
107         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
108         (determine_cst_member_ptr): Use gimple_assign_single_p.
109         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
110         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
111         operands.  Don't check number of operands of a NOP_EXPR.
112
113 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
114
115         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
116
117 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
118
119         PR c/40172
120         * c-common.c (warn_logical_operator): Don't warn if one of
121         expression isn't always true or false.
122
123 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
124
125         * config/i386/biarch32.h: New file.
126         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
127
128 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
129
130         * config/mips/mips.md (*zero_extend<mode>_trunchi,
131         *zero_extend<mode>_truncqi): Merge these into ...
132         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
133         Name the pattern following this as *zero_extendhi_truncqi.
134
135 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
136
137         PR middle-end/39301
138         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
139         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
140         (output_info): Make field HOST_WIDEST_INT.
141         (print_statistics): Use HOST_WIDEST_INT_PRINT.
142         (dump_bitmat_statistics): Same.
143
144 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
145
146         * config.gcc (use_gcc_stdint):  Set to wrap.
147         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
148         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
149         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
150         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
151         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
152         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
153         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
154         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
155
156 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
157
158         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
159         tune_64.
160         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
161         Move definitions earlier.
162         (OPT_ARCH64, OPT_ARCH32): Define.
163         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
164         and tune_64.
165
166 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
167
168         PR target/40153
169         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
170         implies.
171
172 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
173
174         * arm.md (movdi2): Copy non-reg values to DImode registers.
175
176 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
177
178         PR target/39942
179         * final.c (label_to_max_skip): New function.
180         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
181         CODE_LABEL_NUMBER <= max_labelno.
182         * output.h (label_to_max_skip): New prototype.
183         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
184         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
185         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
186         Handle CODE_LABELs with >= 16 byte alignment or with
187         max_skip == (1 << align) - 1.
188         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
189         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
190
191         PR target/39942
192         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
193         .p2align 3 if MAX_SKIP is smaller than 7.
194         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
195
196 2009-05-15  Ian Lance Taylor  <iant@google.com>
197
198         * alias.c (struct alias_set_entry_d): Rename from struct
199         alias_set_entry.  Change all uses.
200         * except.c (struct call_site_record_d): Rename from struct
201         call_site_record.  Change all uses.
202         * except.h (struct eh_region_d): Rename from struct eh_region.
203         Change all uses.
204         * gcse.c (struct hash_table_d): Rename from struct hash_table.
205         Change all uses.
206         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
207         ivtype_map_elt.  Change all uses.
208         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
209         Change all uses.
210         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
211         * graphite.h (struct name_tree_d): Rename from struct name_tree.
212         Change all uses.
213         (struct sese_d): Rename from struct sese.  Change all uses.
214         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
215         uses.
216         (struct omega_pb_d): Rename from struct omega_pb.  Change all
217         uses.
218         * optabs.h (struct optab_d): Rename from struct optab.  Change all
219         uses.
220         (struct convert_optab_d): Rename from struct convert_optab.
221         Change all uses.
222         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
223         ipa_opt_pass.  Change all uses.
224         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
225         all uses.
226
227         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
228         defined as a typedef.
229         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
230         defined as a tag.
231
232 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
233
234         PR 16302
235         * fold-const.c (make_range,build_range_check,merge_ranges): Move
236         declaration to...
237         (merge_ranges): Returns bool. 
238         * tree.h (make_range): .. to here.
239         (build_range_check): Likewise.
240         (merge_ranges): Likewise. Renamed from merge_ranges.
241         * c-typeck.c (parser_build_binary_op): Update calls to
242         warn_logical_operator.
243         * c-common.c (warn_logical_operator): Add new warning.
244         * c-common.h (warn_logical_operator): Update declaration.
245         
246 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
247
248         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
249         conditional.
250         
251 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
252
253         * doc/install.texi: Document MPC requirements, flags etc.
254
255         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
256         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
257         Evaluate constant arguments.
258         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
259         (fold_builtin_1): Likewise, also evaluate constant arguments.
260         Remove superfluous break.
261         (do_mpc_ckconv): New.
262         * real.h: Include mpc.h.
263         * toplev.c (print_version): Output MPC version info if available.
264
265 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
266
267         * fold-const.c (fold_convert_const_real_from_real): Check for
268         overflow.
269
270 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
271
272         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
273         only once.
274
275 2009-05-15  Jan Hubicka  <jh@suse.cz>
276
277         * doc/invoke.texi (max-early-inliner-iterations): New flag.
278         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
279         (try_inline): Fix return value.
280         (cgraph_decide_inlining_incrementally): Honor new value.
281         (cgraph_early_inlining): Handle indirect inlining.
282         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
283
284 2009-05-15  Jan Hubicka  <jh@suse.cz>
285
286         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
287         * cgraphunit.c (cgraph_finalize_function): Set it.
288         (cgraph_expand_function): Use it.
289
290 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
291
292         * real.c (encode_ieee_half): Define.
293         (decode_ieee_half): Define.
294         (ieee_half_format): Define.
295         (arm_half_format): Define.
296         * real.h (ieee_half_format): Declare.
297         (arm_half_format): Declare.
298
299 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
300
301         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
302         swapped, and reversed optabs exist before trying to use them.
303
304 2009-05-15  Paul Brook  <paul@codesourcery.com>
305             Sandra Loosemore  <sandra@codesourcery.com>
306
307         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
308         loads.  Allow PRE_DEC.
309         (output_move_neon): Handle PRE_DEC.
310         (arm_print_operand): Add 'A' for neon structure loads.
311         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
312         * config/arm/neon.md (neon_mov): Update comment.
313         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
314         calls.
315         (Um): New constraint.
316
317 2009-05-15  Jan Hubicka  <jh@suse.cz>
318
319         Revert the following patch until testsuite fallout is fixed:
320         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
321         * cgraph.h (struct inline_summary): New filed self_wize,
322         size_inlining_benefit, self_time and time_inlining_benefit.
323         (struct cgraph_global_info): Replace insns by time ans size fields.
324         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
325         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
326         (ipcp_update_callgraph): Do not touch function bodies.
327         * ipa-inline.c: Include except.h
328         MAX_TIME: New constant.
329         (overall_insns): Remove
330         (overall_size, max_benefit): New static variables.
331         (cgraph_estimate_time_after_inlining): New function.
332         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
333         (cgraph_clone_inlined_nodes): Update size.
334         (cgraph_mark_inline_edge): Update size.
335         (cgraph_estimate_growth): Use size info.
336         (cgraph_check_inline_limits): Check size.
337         (cgraph_default_inline_p): Likewise.
338         (cgraph_edge_badness): Compute badness based on benefit and size cost.
339         (cgraph_decide_recursive_inlining): Check size.
340         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
341         (cgraph_decide_inlining): Likewise.
342         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
343         (likely_eliminated_by_inlining_p): New predicate.
344         (estimate_function_body_sizes): New function.
345         (compute_inline_parameters): Use it.
346         * except.c (must_not_throw_labels): New function.
347         * except.h (must_not_throw_labels): Declare.
348         * tree-inline.c (init_inline_once): Kill inlining_weigths
349         * tree-ssa-structalias.c: Avoid uninitialized warning.
350         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
351         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
352         (PARAM_INLINE_CALL_COST): Remove.
353         (PARAM_EARLY_INLINING_INSNS): New.
354
355 2009-05-15  Richard Guenther  <rguenther@suse.de>
356
357         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
358         not TODO_update_ssa.
359
360 2009-05-15  Richard Guenther  <rguenther@suse.de>
361
362         PR tree-optimization/39999
363         * gimple.h (gimple_expr_type): Use the expression type looking
364         through useless conversions.
365         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
366         (vn_nary_op_insert_stmt): Likewise.
367         (simplify_binary_expression): Likewise.
368
369 2009-05-15  Richard Guenther  <rguenther@suse.de>
370
371         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
372         New options, enabled by default.
373         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
374         Document.
375         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
376         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
377         * tree-ssa-structalias.c (gate_tree_pta): New function.
378         (pass_build_alias): Use it.
379
380 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
381
382         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
383         recurse on an invariant address if a conversion from a pointer
384         type to a wider integer type is involved.
385
386 2009-05-15  Jan Hubicka  <jh@suse.cz>
387
388         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
389         * cgraph.h (struct inline_summary): New filed self_wize,
390         size_inlining_benefit, self_time and time_inlining_benefit.
391         (struct cgraph_global_info): Replace insns by time ans size fields.
392         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
393         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
394         (ipcp_update_callgraph): Do not touch function bodies.
395         * ipa-inline.c: Include except.h
396         MAX_TIME: New constant.
397         (overall_insns): Remove
398         (overall_size, max_benefit): New static variables.
399         (cgraph_estimate_time_after_inlining): New function.
400         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
401         (cgraph_clone_inlined_nodes): Update size.
402         (cgraph_mark_inline_edge): Update size.
403         (cgraph_estimate_growth): Use size info.
404         (cgraph_check_inline_limits): Check size.
405         (cgraph_default_inline_p): Likewise.
406         (cgraph_edge_badness): Compute badness based on benefit and size cost.
407         (cgraph_decide_recursive_inlining): Check size.
408         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
409         (cgraph_decide_inlining): Likewise.
410         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
411         (likely_eliminated_by_inlining_p): New predicate.
412         (estimate_function_body_sizes): New function.
413         (compute_inline_parameters): Use it.
414         * except.c (must_not_throw_labels): New function.
415         * except.h (must_not_throw_labels): Declare.
416         * tree-inline.c (init_inline_once): Kill inlining_weigths
417         * tree-ssa-structalias.c: Avoid uninitialized warning.
418         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
419         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
420         (PARAM_INLINE_CALL_COST): Remove.
421         (PARAM_EARLY_INLINING_INSNS): New.
422         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
423         (inline-call-cost): Remove.
424         (early-inlining-insns): New.
425
426 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
427
428         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
429         for bounds.
430         (print_int_cst_bounds_in_octal_p): Likewise.
431         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
432         with subtypes.
433         * dwarf2out.c (base_type_die): Likewise.
434         (is_subrange_type): Delete.
435         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
436         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
437         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
438         the destination type is boolean.
439         (build_range_check): Do not special-case subtypes.
440         (fold_sign_changed_comparison): Likewise.
441         (fold_unary): Likewise.
442         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
443         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
444         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
445         * tree.c (subrange_type_for_debug_p): New predicate based on the former
446         is_subrange_type.
447         * tree.h (subrange_type_for_debug_p): Declare.
448         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
449         (convert_affine_scev): Remove call to above function.
450         (chrec_convert_aggressive): Likewise.
451         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
452         false for conversions involving subtypes.
453         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
454         (vrp_val_min): Likewise.
455         (needs_overflow_infinity): Likewise.
456         (extract_range_from_unary_expr): Likewise.
457
458 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
459
460         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
461         * config/frv/frv.c: Likewise.
462         * config/s390/s390.c: Likewise.
463         * config/sparc/sparc.h: Likewise.
464         * config/i386/i386.h: Likewise.
465         * config/i386/i386.c: Likewise.
466         * config/crx/crx.c: Likewise.
467         * config/m68hc11/m68hc11.h: Likewise.
468         * config/iq2000/iq2000.c: Likewise.
469         * config/mn10300/mn10300.h: Likewise.
470         * config/mn10300/mn10300.c: Likewise.
471         * config/m68k/m68k.c: Likewise.
472         * config/rs6000/rs6000.c: Likewise.
473         * config/rs6000/xcoff.h: Likewise.
474         * config/rs6000/linux64.h: Likewise.
475         * config/rs6000/sysv4.h: Likewise.
476         * config/score/score3.c: Likewise.
477         * config/score/score7.c: Likewise.
478         * config/score/score.c: Likewise.
479         * config/arm/arm.md: Likewise.
480         * config/mips/mips.c: Likewise.
481         * config/mips/mips.md: Likewise.
482         * config/bfin/bfin.h: Likewise.
483         * config/pa/pa.c: Likewise.
484         * config/pa/constraints.md: Likewise.
485
486         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
487         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
488         * config/pdp11/pdp11.h: Use memory_address_p instead.
489
490 2009-05-14  Ian Lance Taylor  <iant@google.com>
491
492         * passes.c (finish_optimization_passes): Change i to int.
493         * plugin.c (plugins_active_p): Change event to int.
494         (dump_active_plugins): Likewise.
495         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
496         Add cast.
497         * tree.c (tree_range_check_failed): Change c to unsigned int.
498         (omp_clause_range_check_failed): Likewise.
499         (build_common_builtin_nodes): Change mode to int.  Add cast.
500         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
501         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
502
503         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
504         ++ or -- with a variable of enum type.
505
506 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
507
508         PR driver/40144
509         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
510
511 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
512
513         * store-motion.c: Do not include params.h
514         * Makefile.in: Fix dependencies for various files.
515
516 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
517
518         * auto-inc-dec.c: Fix pass description, remove apparent
519         accidental duplication.
520
521 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
522
523         PR middle-end/40147
524         * ipa-utils.h (memory_identifier_string): Moved to ...
525         * tree.h (memory_identifier_string): Here.  Add GTY(()).
526
527 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
528
529         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
530         in the former documentation of...
531         (GO_IF_LEGITIMATE_ADDRESS): ... this.
532         * ira-conflicts.c (get_dup_num): Use address_operand.
533         * targhooks.c (default_legitimate_address_p): New.
534         * targhooks.h (default_legitimate_address_p): New.
535         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
536         Call hook.
537         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
538         * target.h (struct target): Add legitimate_address_p.
539         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
540         (TARGET_INITIALIZER): Include it.
541
542         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
543         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
544         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
545         (TARGET_LEGITIMATE_ADDRESS_P): New.
546
547         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
548         (REG_OK_STRICT_P): Delete.
549         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
550         (frv_legitimate_address_p_1): ... this.
551         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
552         (frv_legitimate_address_p_1): ... the renamed old
553         frv_legitimate_address_p.
554         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
555         (TARGET_LEGITIMATE_ADDRESS_P): New.
556
557         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
558         * config/s390/s390-protos.h (legitimate_address_p): Remove.
559         * config/s390/s390.c (legitimate_address_p): Rename to...
560         (s390_legitimate_address_p): ... this, make static.
561         (legitimize_address): Adjust call.
562         (TARGET_LEGITIMATE_ADDRESS_P): New.
563         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
564
565         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
566         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
567         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
568         (TARGET_LEGITIMATE_ADDRESS_P): New.
569
570         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
571         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
572         * config/spu/spu.c (spu_legitimate_address): Rename to...
573         (spu_legitimate_address_p): ... this, make static.
574         (TARGET_LEGITIMATE_ADDRESS_P): New.
575
576         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
577         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
578         * config/sparc/sparc.c (legitimate_address_p): Rename to...
579         (sparc_legitimate_address_p): ... this, make static and return bool.
580         (legitimize_address): Adjust call.
581         (TARGET_LEGITIMATE_ADDRESS_P): New.
582
583         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
584         * config/i386/i386-protos.h (legitimate_address_p): Remove.
585         * config/i386/i386.c (legitimate_address_p): Rename to...
586         (ix86_legitimate_address_p): ... this, make static.
587         (constant_address_p): Move after it, adjust call.
588         (TARGET_LEGITIMATE_ADDRESS_P): New.
589
590         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
591         * config/avr/avr-protos.h (legitimate_address_p): Remove.
592         * config/avr/avr.c (legitimate_address_p): Rename to...
593         (avr_legitimate_address_p): ... this, make static.
594         (legitimize_address): Adjust call.
595         (TARGET_LEGITIMATE_ADDRESS_P): New.
596
597         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
598         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
599         * config/crx/crx.c (crx_legitimate_address_p): Make static.
600         (TARGET_LEGITIMATE_ADDRESS_P): New.
601
602         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
603         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
604         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
605         (TARGET_LEGITIMATE_ADDRESS_P): New.
606
607         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
608         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
609         Remove.
610         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
611         Make static.
612         (TARGET_LEGITIMATE_ADDRESS_P): New.
613
614         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
615         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
616         Remove.
617         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
618         Rename to...
619         (m68hc11_legitimate_address_p): ... this, make static.
620         (go_if_legitimate_address_internal): Rename to...
621         (m68hc11_legitimate_address_p_1): ... this.
622         (legitimize_address): Adjust call.
623         (TARGET_LEGITIMATE_ADDRESS_P): New.
624
625         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
626         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
627         Remove.
628         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
629         Make static.
630         (TARGET_LEGITIMATE_ADDRESS_P): New.
631
632         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
633         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
634         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
635         (mn10300_legitimate_address_p): ... this, make static.
636         (TARGET_LEGITIMATE_ADDRESS_P): New.
637
638         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
639         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
640         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
641         (TARGET_LEGITIMATE_ADDRESS_P): New.
642
643         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
644         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
645         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
646         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
647         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
648         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
649         (rs6000_legitimate_address_p): ... this, make static.
650         (TARGET_LEGITIMATE_ADDRESS_P): New.
651         (REG_MODE_OK_FOR_BASE_P): Delete.
652         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
653
654         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
655         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
656         Delete.
657         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
658         static, adjust types.
659         (TARGET_LEGITIMATE_ADDRESS_P): New.
660
661         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
662         * config/score/score.c (score_address_p): Rename to...
663         (score_legitimate_address_p): ... this.
664         (TARGET_LEGITIMATE_ADDRESS_P): New.
665         * config/score/score3.c (score3_address_p): Rename to...
666         (score3_legitimate_address_p): ... this.
667         * config/score/score7.c (score7_address_p): Rename to...
668         (score7_legitimate_address_p): ... this.
669
670         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
671         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
672         GO_IF_LEGITIMATE_ADDRESS): Delete.
673         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
674         thumb2_legitimate_address_p): Delete.
675         (arm_legitimate_address_p): Rename to...
676         (arm_legitimate_address_outer_p): ... this.
677         * config/arm/constraints.md ("Uq"): Adjust call.
678         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
679         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
680         (arm_legitimate_address_outer_p): ... this.
681         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
682         (TARGET_LEGITIMATE_ADDRESS_P): New.
683
684         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
685         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
686         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
687         (TARGET_LEGITIMATE_ADDRESS_P): New.
688
689         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
690         * config/vax/vax-protos.h (legitimate_address_p): Remove.
691         * config/vax/vax.c (legitimate_address_p): Rename to...
692         (vax_legitimate_address_p): ... this, make static.
693         (TARGET_LEGITIMATE_ADDRESS_P): New.
694
695         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
696         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
697         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
698         (TARGET_LEGITIMATE_ADDRESS_P): New.
699
700         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
701         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
702         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
703         (mmix_legitimate_address_p): ... this, make static.
704         (TARGET_LEGITIMATE_ADDRESS_P): New.
705
706         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
707         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
708         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
709         (TARGET_LEGITIMATE_ADDRESS_P): New.
710
711 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
712
713         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
714         of MODE_COMPLEX_INT.
715
716 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
717
718         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
719         LCT_NORMAL in function call.
720         * mips-tdump.c (print_file_desc): Add cast to enum type.
721         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
722         (mark_stabs): Add casts to enum types.
723         (parse_stabs_common): Add casts to enum types.
724
725 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
726
727         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
728         Check for invalid values of LETTER.
729
730 2009-05-13  Taras Glek  <tglek@mozilla.com>
731
732         * attribs.c (register_attribute): moved out attribute registration into
733         register_attribute.
734         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
735         * gcc-plugin.h: Added forward decl for register_attribute.
736         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
737         * plugin.c (register_callback, invoke_plugin_callbacks): Added
738         PLUGIN_ATTRIBUTES boilerplate.
739
740 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
741
742         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
743         values even in sentinel and empty entries.
744         (ms_printf_flag_specs):  Likewise.
745         (ms_scanf_flag_specs):  Likewise.
746         (ms_strftime_flag_specs):  Likewise.
747         (ms_print_char_table):  Likewise.
748         (ms_scan_char_table):  Likewise.
749         (ms_time_char_table):  Likewise.
750
751 2009-05-13  Doug Kwan  <dougkwan@google.com>
752
753         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
754
755 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
756
757         * config/mips/mips.md (store): Add attributes for QI and HI.
758         Update comment.
759         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
760         (truncdi<mode>2): ... this new pattern.
761
762 2009-05-13  Brad Hards  <bradh@kde.org>
763
764         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
765
766 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
767             Ben Elliston <bje@au.ibm.com>
768
769         PR middle-end/40035
770         * dse.c (check_mem_read_rtx): Guard against width == -1.
771
772 2009-05-13  Michael Matz  <matz@suse.de>
773
774         PR middle-end/39976
775         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
776         (trivially_conflicts_p): New function.
777         (insert_backedge_copies): Use it.
778
779 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
780
781         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
782         (handle_stdc_pragma): Use new enum constant names.
783         (handle_pragma_float_const_decimal64): Ditto.
784
785 2009-05-13  Ian Lance Taylor  <iant@google.com>
786
787         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
788         tree.def.
789
790 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
791
792         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
793         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
794         multilibs.
795         * config/m68k/m68k.h (FL_UCLINUX): Define.
796
797 2009-05-13  Jan Hubicka  <jh@suse.cz>
798
799         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
800
801 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
802
803         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
804         unless -fschedule-insns is specified.
805
806 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
807
808         PR target/39561
809         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
810         TARGET_EXPAND_CBRANCHDI4.
811         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
812         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
813         (cmpeqdi): Fix comment.
814
815 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
816
817         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
818         (sh_legitimate_address_p): Likewise.
819         * config/sh/sh.c (sh_legitimate_index_p): New.
820         (sh_legitimate_address_p): Likewise.
821         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
822         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
823         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
824         (MAYBE_BASE_REGISTER_RTX_P): New macro.
825         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
826         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
827         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
828         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
829         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
830
831 2009-05-12  Jan Hubicka  <jh@suse.cz>
832
833         * tree-inline.c (estimate_operator_cost): Add operands;
834         when division happens by constant, it is cheap.
835         (estimate_num_insns): Loads and stores are not having cost of 0;
836         EH magic stuff is cheap; when computing runtime cost of switch,
837         use log2 base of amount of its cases; builtin_expect has cost of 0;
838         compute cost for moving return value of call.
839         (init_inline_once): Initialize time_based flags.
840         * tree-inline.h (eni_weights_d): Add time_based flag.
841
842 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
843
844         * df-core.c: Update head documentation.
845
846 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
847
848         PR bootstrap/40118
849         * rs6000.c (rs6000_generate_compare): Use op1b instead of
850         shadowing exisiting variable op1.
851
852 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
853
854         PR target/37179
855         * config/i386/driver-i386.c (processor_signatures): New enum.
856         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
857         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
858         processor signature to detect geode processor.
859
860 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
861
862         Revert:
863
864         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
865
866         * optabs.c (prepare_cmp_insn): Temporarily disable test that
867         causes spurious differences between trunk and cond-optab branch.
868
869 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
870
871         * dojump.c (compare_from_rtx): Delete.
872         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
873         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
874         if the comparison does not satisfy the predicate; test predicates for
875         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
876         further if one existing pattern fails.
877         * expr.h (compare_from_rtx): Delete.
878         (prepare_operand): Declare it.
879         * optabs.c: Change "lib call" to "libcall" throughout.
880         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
881         HAVE_conditional_trap, emit_cmp_insn): Delete.
882         (can_compare_p): Delete cmp_optab case.
883         (prepare_float_lib_cmp): Return an rtx and a machine mode.
884         Accept other parameters by value.
885         (prepare_operand): Make non-static.
886         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
887         other parameters by value.  Try to widen operands here based on
888         an optab_methods argument and looking at cbranch_optab.
889         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
890         loop.  Use cbranch_optab directly.
891         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
892         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
893         assertion.
894         (emit_conditional_move, emit_conditional_add): Inline what's needed
895         of compare_from_rtx, using new prepare_cmp_insn for the rest.
896         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
897         with COMPARE.  Move cmov_optab and cstore_optab above
898         with cbranch_optab, move cmp_optab down with ucmp_optab,
899         remove tst_otpab.  Do not initialize trap_rtx.
900         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
901         for trap code.  Do not check HAVE_conditional_trap.  Use
902         prepare_cmp_insn.  Accept no predicate for operand 3.
903         * optabs.h (OTI_cmp): Mark as used only for libcalls.
904         (OTI_ctrap, ctrap_optab): New.
905         (tst_optab): Delete.
906         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
907         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
908         with lookup of ctrap_optab.
909         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
910         setcc_gen_code): Delete.
911         (ctrap_optab): New.
912
913         * combine.c (combine_simplify_rtx, simplify_set): Do not
914         special case comparing against zero for cc0 machines.
915         * simplify-rtx.c (simplify_binary_operation_1): Never remove
916         COMPARE on cc0 machines.
917         (simplify_relational_operation): Return a new expression when
918         a COMPARE could be removed.
919         * final.c (final_scan_insn): Compare cc_status values
920         against LHS of a (compare FOO (const_int 0)) cc0 source.
921         Also check if cc_status.value is the full compare.
922
923         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
924         (cstoreMM4): Document.
925         (conditional_trap): Document ctrapMM4 instead.
926         (sync_compare_and_swapMM): Refer to cbranchcc4.
927         (Dependent Patterns): Eliminate obsolete information referring to
928         the old jump optimization phase.
929         (Canonicalization): Include cbranchcc4 case, omit canonicalization
930         of compares with 0 on cc0 machines.
931         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
932         avoiding references to cc0.  Remove text about storing operands
933         in cmpMM.
934         * doc/tm.texi (Condition Codes): Include blurb on different
935         condition code representations, separate into subsections for
936         CC0, MODE_CC and conditional execution.
937
938         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
939         alpha_emit_setcc): Accept operands and a machine mode.
940         * config/alpha/alpha.c (alpha_emit_conditional_branch):
941         Get code/op0/op1 from operands, use machine mode argument
942         instead of alpha_compare.fp_p.  Emit the branch here.
943         (alpha_emit_setcc): Likewise, and return boolean.
944         (alpha_emit_conditional_move): Likewise.  Assert that
945         cmp_op_mode == cmp_mode, and simplify accordingly.
946         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
947         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
948         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
949         Delete.
950         (stack probe test): Use cbranchdi4.
951         * config/alpha/predicates.md (alpha_cbranch_operator): New.
952
953         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
954         * config/arc/arc.h (movsicc, movsfcc): Use it.
955         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
956         (cbranchsi4, cstoresi4): New.
957         (cmpsi, bCC and sCC expanders): Remove. 
958
959         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
960         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
961         * config/arm/predicates.md (arm_comparison_operator): Only include
962         floating-point operators if there is a hardware floating-point unit.
963         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
964         deferring to cbranch_cc and cstore_cc respectively.
965         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
966         cbranch_cc, cstore_cc): New.
967         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
968         arm_compare_op1.
969         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
970
971         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
972         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
973         as an argument.
974         (adjust_insn_length): Adjust calls.
975         (avr_reorg): Handle (compare (foo) (const_int 0)).
976         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
977         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
978         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
979         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
980         (bCC): Remove.
981         (cbranchqi4, cbranchhi4, cbranchsi4): New.
982         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
983
984         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
985         (cbranchsi4, cstorebi4, cstoresi4): New.
986         (movbisi): This insn is duplicate, split it to zero_extend.
987         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
988         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
989         (bfin_optimize_loop): Use cbranch expander.
990         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
991         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
992         (bfin_bimode_comparison_operator): ... this.
993         (bfin_direct_comparison_operator): New.
994  
995         * config/cris/cris.c (cris_normal_notice_update_cc): Look
996         inside (compare FOO (const_int 0)).
997         (cris_rtx_costs): Handle ZERO_EXTRACT.
998         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
999         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1000         (*tstdi_v32): Delete.
1001         (*cmpdi_non_v32): Add M alternative for operand 1.
1002         (cmpsi, cmp<mode>): Make private.
1003         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1004         with COMPARE.
1005         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1006
1007         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1008         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1009         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1010         (cc_reg_operand): New.
1011         (any_cond): Delete.
1012         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1013         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1014         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1015         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1016         crx_expand_scond): Delete.
1017
1018         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1019         (cbranchsi4): New.
1020         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1021         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1022
1023         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1024         cstoresi4, cstoresf4, cstoredf4): New.
1025         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1026         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1027         Receive the entire operands array.
1028         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1029         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1030         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1031         Get test/op0/op1 from the operands array.
1032         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1033
1034         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1035         (h8300_expand_store): New.
1036         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1037         (const_int 0)).
1038         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1039         (h8300_expand_store): New.
1040         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1041         or do not try to produce (set (cc0) REG).
1042         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1043         change a compare into a move to a scratch register.  Disable some
1044         peepholes when comparing with zero.
1045         (tstsi, tsthi, tstsi, cmpqi): Make private.
1046         (cmphi): Delete.
1047         (bCC, sCC): Delete.
1048         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1049         cstoresi4): New.
1050
1051         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1052         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1053         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1054         (ix86_emit_i387_log1p): Use cbranchxf2.
1055         (ix86_expand_setcc): Return void.
1056         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1057         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1058         cmp<MODEF>, cmpcc): Remove.
1059         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1060         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1061         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1062         (sCC and bCC expanders): Remove.
1063         (stack_protect_test): Use cbranchcc4.
1064
1065         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1066         Delete.
1067         (ia64_expand_compare): Accept three rtx by reference and return void.
1068         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1069         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1070         from *expr.  Update *expr with the BImode comparison to do.
1071         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1072         cmptf, bCC, sCC, conditional_trap): Delete.
1073         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1074         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1075         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1076         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1077         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1078
1079         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1080         type of last argument.
1081         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1082         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1083         use machine mode argument instead of branch_type.  Remove dead
1084         code for floating-point comparisons.
1085         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1086         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1087         Remove.
1088         (cbranchsi4, cstoresi4): New.
1089         * config/iq2000/predicates.md (reg_or_const_operand): New.
1090
1091         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1092         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1093         (b<code>_op): Rewrite to...
1094         (bcc_op): ... this, using match_operator.
1095         (s<code>_op): Rewrite to...
1096         (scc_op): ... this, using match_operator.
1097         (s<code>_24_op): Rewrite to...
1098         (scc_op_24): ... this, using match_operator.
1099         (s<code>_<mode>): Rewrite to...
1100         (cstore<mode>4): ... this, using match_operator.
1101         (s<code>_<mode>_24): Rewrite to...
1102         (cstore<mode>4_24): ... this, using match_operator.
1103         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1104         m32c_unpend_compare, m32c_expand_scc): Delete.
1105         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1106         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1107         (m32c_expand_movcc): Change NE to EQ if necessary.
1108         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1109
1110         * config/m32r/m32r-protos.h (gen_cond_store): New.
1111         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1112         (gen_cond_store): New, from sCC patterns.
1113         (m32r_expand_block_move): Use cbranchsi4.
1114         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1115         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1116         (cbranchsi4, cstoresi4): New.
1117         
1118         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1119         Delete.
1120         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1121         (m68hc11_notice_update_cc): Look into a compare with 0.
1122         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1123         Delete.
1124         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1125         cmphi, cmpqi, bCC): Delete.
1126         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1127         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1128         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1129         sets with COMPARE.
1130
1131         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1132         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1133         * config/m68k/constraints.md (H): New.
1134         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1135         the define_insn below.
1136         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1137         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1138         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1139         patterns): Wrap RHS with COMPARE.
1140         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1141         (*cmpdi_internal): Name this pattern.
1142         (cmpdi): Change to define_insn.
1143         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1144         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1145         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1146         predicate.
1147         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1148         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1149         (conditional_trap): Change to...
1150         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1151         (*conditional_trap): Use the ordered_comparison_operator and
1152         const1_operand predicates.
1153         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1154         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1155         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1156         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1157
1158         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1159         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1160         (mcore_gen_compare): New. 
1161         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1162         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1163         (mcore_gen_compare): ... this.
1164         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1165         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1166         (stack probe pattern): Use cbranchsi4.
1167
1168         * config/mips/predicates.md (mips_cstore_operator): New.
1169         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1170         * config/mips/mips.md (any_cond): Delete.
1171         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1172         always succeed.
1173         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1174         fixuns_truncsfdi2): Use cbranch patterns.
1175         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1176         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1177         Adjust call to mips_expand_conditional_branch.
1178         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1179         cstore<GPR:mode>4.
1180         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1181         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1182         * config/mips/mips.c (cmp_operands): Delete.
1183         (mips_emit_compare): Get comparison operands from *op0/*op1.
1184         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1185         that it succeeds.  Use op0/op1 instead of cmp_operands.
1186         (mips_expand_conditional_branch, mips_expand_conditional_move,
1187         mips_expand_conditional_trap): Likewise.
1188         (mips_block_move_loop): Use cbranch patterns. 
1189         * config/mips/mips.h (cmp_operands): Delete.
1190
1191         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1192         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1193         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1194         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1195         (*cmpcc_folded): Rename to...
1196         (*cmpdi_folded): this.
1197         (*cmpcc): Rename to...
1198         (*cmps): ... this.
1199         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1200         (bCC): Remove.
1201         (cbranchdi4): New.
1202         (cbranchdf4): New.  Handle invalid comparisons here.
1203         * config/mmix/predicates.md (float_comparison_operator): New.
1204
1205         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1206         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1207         * config/mn10300/mn10300.md (tst): Delete.
1208         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1209         Name these patterns and wrap RHS in a compare.
1210         (*cmpsi): Make this pattern private.  Include tst.
1211         (*cmpsf): Make this pattern private.
1212         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1213         (compare with zero peepholes): Likewise.
1214         (bCC): Remove.
1215         (cbranchsi4, cbranchsf4): New.
1216         (casesi): Use cbranchsi4.
1217
1218         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1219         hppa_branch_type): Delete.
1220         (return_addr_rtx): Use cbranchsi4.
1221         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1222         Emit CCFPmode comparison here.
1223         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1224         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1225         hppa_branch_type): Delete.
1226         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1227         (movsicc, movdicc): Remove references to hppa_compare_op0,
1228         hppa_compare_op1 and compare_from_rtx.
1229         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1230         (casesi): Use cbranchsi4.
1231
1232         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1233         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1234         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1235         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1236         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1237         (bCC): Delete.
1238         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1239         (*branch, *branch_inverted): New.
1240
1241         * config/picochip/picochip.md (cbranchhi4): Use
1242         ordered_comparison_operator.
1243         (cmphi, bCC): Remove.
1244
1245         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1246         (trap_comparison_operator): Delete.
1247         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1248         rs6000_emit_cbranch): Accept mode and operands.
1249         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1250         rs6000_compare_fp_p): Delete.   
1251         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1252         and op0/op1 from there.  Replace references to rs6000_compare_op0
1253         and rs6000_compare_op1.
1254         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1255         extract result from passed operands.
1256         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1257         extract loc from passed operands.
1258         (rs6000_emit_cmove): Likewise.
1259         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1260         rs6000_compare_fp_p): Delete.
1261         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1262         (cbranch<GPR>4, cbranch<FP>4): New.
1263         (cstore<mode>4): New.  Consolidate here all choices about when to use
1264         portable or specialized sCC sequences.
1265         (stack_protect_test): Use cbranchsi4.
1266         (conditional_trap): Replace with ctrap<GPR>4.
1267         (conditional trap insn): Replace trap_comparison_operator with
1268         ordered_comparison_operator. 
1269
1270         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1271         (s390_emit_prologue): Use ctrap.
1272         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1273         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1274         New predicates replacing...
1275         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1276         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1277         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1278         (add<mode>cc): Do not use s390_compare_op0/op1.
1279         (s<code>): Change to...
1280         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1281         (seq): Change to...
1282         (cstorecc4): ... this.  Handle EQ or NE equally.
1283         (*sne): Un-privatize for use in cstorecc4.
1284         (b<code>): Change to...
1285         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1286         (conditional_trap): Replace with...
1287         (ctrap<GPR>4, ctrap<FP>4): ... these.
1288         (stack_protect): Use cbranchcc4.
1289
1290         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1291         * config/score/score-protos.h (score_gen_cmp): Delete.
1292         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1293         (score_block_move-loop): Use cbranchsi4.
1294         * config/score/score.md (cbranchsi4): New.
1295         (cmpsi, bCC): Delete.
1296         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1297         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1298         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1299         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1300         * config/score/score3.h (score3_gen_cmp): Delete.
1301         * config/score/score7.h (score7_gen_cmp): Delete.
1302
1303         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1304         (sh_emit_scc_to_t): ... this.  Return void.
1305         (from_compare): Rename to...
1306         (sh_emit_compare_and_branch): ... this.
1307         (sh_emit_compare_and_set): New.
1308         (sh_expand_t_scc): Accept operands.
1309         * config/sh/predicates.md (sh_float_comparison_operator): New.
1310         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1311         (prepare_scc_operands): Rename to...
1312         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1313         arguments.
1314         (sh_emit_cheap_store_flag): New.
1315         (sh_emit_set_t_insn): New.
1316         (from_compare): Rename to...
1317         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1318         handling of TARGET_SH2E floating point to avoid recursive call.
1319         Generate branch here.
1320         (sh_emit_compare_and_set): New.
1321         (sh_expand_t_scc): Get op0/op1 from arguments.
1322         (sh_emit_cheap_store_flag): New.
1323         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1324         cases.
1325         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1326         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1327         (movsicc, movdicc): Do nothing when it recreated operands from
1328         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1329         prepare_scc_operands (now sh_emit_scc_to_t).
1330         (udivdi3): Use cstoresi4.
1331         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1332         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1333         (cbranchint4_media, cbranchfp4_media): New.
1334         (casesi): Use cbranchdi4.
1335         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1336         Delete.
1337         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1338         (movnegt): Remove second operand.
1339         (cbranchsf4, cbranchdf4): New.
1340         (stack_protect): Use cbranchdi4/cbranchsi4.
1341
1342         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1343         (gen_compare_reg): Accept comparison, extract part of it to...
1344         (gen_compare_reg_1): ... this. 
1345         (gen_compare_operator): Delete.
1346         (gen_v9_scc): Accept separate destination, comparison code and arms.
1347         Do not use sparc_compare_op0/sparc_compare_op1.
1348         (emit_scc_insn, emit_conditional_branch_insn): New.
1349         (emit_v9_brxx): Make static.  Remove useless assertion.
1350         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1351         emit_cmp_insn.
1352         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1353         * config/sparc/sparc-protos.h (gen_compare_reg,
1354         sparc_emit_float_lib_cmp): Adjust prototype.
1355         (emit_scc_insn, emit_conditional_branch_insn): New.
1356         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1357         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1358         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1359         iterators to the top.
1360         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1361         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1362         snedi_special_trunc): Delete.
1363         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1364         and snedi_special_trunc.
1365         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1366         cbranchdi4, cbranch<F:mode>4): New.
1367         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1368         here.  Use gen_compare_reg instead of gen_compare_operator.
1369         (conditional_trap): Replace with...
1370         (ctrapsi4, ctrapdi4): ... this.
1371         (stack_protect_test): Use cbranchcc4.
1372
1373         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1374         argument to rtx.
1375         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1376         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1377         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1378         from operands[0] or operands[3] depending on is_set.
1379         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1380         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1381         cmpdf, bCC), sCC: Remove.
1382         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1383         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1384         cstoredf4): New.
1385         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1386         spu_emit_branch_or_set.
1387
1388         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1389         Add two arguments.
1390         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1391         xstormy16_compare_op1): Delete.
1392         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1393         xstormy16_compare_op1): Delete. 
1394         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1395         Adjust calls.
1396         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1397         (cmphi, cmpsi, bCC): Remove.
1398
1399         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1400         (*cmpsi): ... this one.
1401         (cbranchsi4, cstoresi4): New.
1402         (bCC expanders): Delete.
1403         (sCC insns): Fold into...
1404         (*setcc): ... this one.
1405         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1406         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1407         (movsicc): Simplify.
1408         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1409
1410         * config/vax/vax-protos.h (cond_name): New.
1411         (vax_output_conditional_branch): Remove.
1412         * config/vax/vax.c (cond_name): New.
1413         (vax_output_conditional_branch): Remove.
1414         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1415         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1416         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1417         (bit<VAXint>): Wrap source with (compare).
1418         (b<code> and following unnamed pattern): Rename to *branch and
1419         *branch_reversed.  Change macroization to match_operator.
1420         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1421
1422         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1423         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1424         Change last argument to machine_mode.
1425         (xtensa_expand_scc): Add machine_mode argument.
1426         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1427         (gen_conditional_move, xtensa_expand_conditional_branch,
1428         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1429         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1430         Adjust operand numbers.
1431         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1432         Delete.
1433         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1434         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1435         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1436
1437 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1438
1439         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1440         causes spurious differences between trunk and cond-optab branch.
1441
1442 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1443
1444         PR target/37137
1445         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1446
1447 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1448
1449         * tree.c (iterative_hash_pointer): Delete.
1450         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1451         Hash UIDs and versions of SSA names.  Don't special-case built-in
1452         function declarations.
1453
1454 2009-05-11  Ian Lance Taylor  <iant@google.com>
1455
1456         PR bootstrap/40103
1457         * graphite.c: Force -Wc++-compat to only be a warning before
1458         #including "cloog/cloog.h".
1459
1460 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1461
1462         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1463         
1464 2009-05-11  Jan Hubicka  <jh@suse.cz>
1465
1466         * tree-ssa-loop-ivcanon.c: Include target.h
1467         (struct loop_size): new structure.
1468         (constant_after_peeling): New predicate.
1469         (tree_estimate_loop_size): New function.
1470         (estimated_unrolled_size): Rewrite for new estimates.
1471         (try_unroll_loop_completely): Use new estimates.
1472         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1473
1474 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1475
1476         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1477         libcpp interface change.
1478         (spu_macro_to_expand): Likewise.
1479
1480 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1481
1482         PR tree-optimization/40026
1483         * gimplify.c (gimplify_init_constructor): Change initial conditional
1484         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1485         optimize_compound_literals_in_ctor.
1486
1487 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1488
1489         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1490         New devices.
1491         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1492
1493 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1494
1495         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1496         HOST_WIDE_INT for gap.
1497
1498 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1499
1500         PR tree-optimization/40074
1501         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1502         account in group size and step comparison.
1503
1504 2009-05-11  Richard Guenther  <rguenther@suse.de>
1505
1506         * passes.c (init_optimization_passes): Strip now incorrect comment.
1507         (execute_function_todo): Do not set PROP_alias.
1508         * tree-pass.h (PROP_alias): Remove.
1509         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1510         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1511         * tree-nrv.c (pass_return_slot): Likewise.
1512         * tree-object-size.c (pass_object_sizes): Likewise.
1513         * tree-ssa-dom.c (pass_dominator): Likewise.
1514         (pass_phi_only_cprop): Likewise.
1515         * tree-ssa-dse.c (pass_dse): Likewise.
1516         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1517         (pass_cselim): Likewise.
1518         * tree-ssa-pre.c (pass_pre): Likewise.
1519         (pass_fre): Likewise.
1520         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1521         * tree-ssa-sink.c (pass_sink_code): Likewise.
1522         * tree-stdarg.c (pass_stdarg): Likewise.
1523         * tree-tailcall.c (pass_tail_calls): Likewise.
1524         * tree-vrp.c (pass_vrp): Likewise.
1525
1526 2009-05-10  Ian Lance Taylor  <iant@google.com>
1527
1528         * basic-block.h (enum profile_status): Break out of struct
1529         control_flow_graph.
1530         * cgraph.h (struct inline_summary): Break out of struct
1531         cgraph_local_info.
1532         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1533         of struct cgraph_order_sort.
1534         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1535         * cse.c (struct branch_path): Break out of struct
1536         cse_basic_block_data.
1537         * except.h (enum eh_region_type): Break out of struct eh_region.
1538         * gcc.c (enum add_del): Break out of struct modify_target.
1539         * genrecog.c (enum decision_type): Break out of struct decision_test.
1540         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1541         ggc_pch_data.
1542         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1543         * regmove.c (enum match_use): New enum, broken out of struct match.
1544         * sched-int.h (enum post_call_group): New enum, broken out of
1545         struct deps.
1546         (struct deps_reg): Break out of struct deps.
1547         * target.h (struct asm_int_op): Break out of struct gcc_target.
1548         * tree-eh.c (struct goto_queue_node): Break out of struct
1549         leh_tf_state.
1550         * tree-inline.h (enum copy_body_cge_which): Break out of
1551         copy_body_data.
1552         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1553
1554         * c-decl.c (in_struct, struct_types): New static variables.
1555         (pushtag): Add loc parameter.  Change all callers.
1556         (lookup_tag): Add ploc parameter.  Change all callers.
1557         (check_compound_literal_type): New function.
1558         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1559         -Wc++-compat, warn about struct/union/enum types defined within a
1560         struct or union.
1561         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1562         and loc parameters.  Change all callers.  Change error calls to
1563         error_at, using loc.  For a redefinition, if the location of the
1564         original definition is known, report it.  Set in_struct and
1565         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1566         (finish_struct): Add new parameters enclosing_in_struct and
1567         enclosing_struct_types.  Change all callers.  Set
1568         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1569         in the struct.  If in a struct, add this struct to struct_types.
1570         (start_enum): Add loc parameter.  Change all callers.  Use
1571         error_at for errors, using loc.  For a redefinition, if the
1572         location of the original definition is known, report it.  If in a
1573         struct, add this enum type to struct_types.  If -Wc++-compat warn
1574         if in sizeof, typeof, or alignof.
1575         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1576         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1577         (c_parser_enum_specifier): Get enum location for start_enum.
1578         (c_parser_struct_or_union_specifier): Get struct location for
1579         start_struct.  Save in_struct and struct_types status between
1580         start_struct and finish_struct.
1581         (c_parser_cast_expression): Get location of cast.
1582         (c_parser_alignof_expression): Get location of type.
1583         (c_parser_postfix_expression): Likewise.
1584         (c_parser_postfix_expression_after_paren_type): Add type_loc
1585         parameter.  Change all callers.  Call check_compound_literal_type.
1586         Use type_loc for error about variable size type.
1587         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1588         of an enum constant from an enum type defined in a struct or union.
1589         (c_cast_expr): Add loc parameter.  Change all callers.  If
1590         -Wc++-compat, warn about defining a type in a cast.
1591         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1592         (start_enum, start_struct, finish_struct): Update declarations.
1593         (parser_xref_tag, c_cast_expr): Update declarations.
1594         (check_compound_literal_type): Declare.
1595
1596 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1597
1598         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1599         for recent libcpp interface change.
1600         (rs6000_macro_to_expand): Likewise.
1601
1602 2009-05-10  Michael Matz  <matz@suse.de>
1603
1604         PR target/40031
1605         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1606         not at entry of function.
1607
1608 2009-05-10  Richard Guenther  <rguenther@suse.de>
1609
1610         PR tree-optimization/40081
1611         Revert
1612         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1613         using the main variant of the element type.  Do not fiddle with
1614         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1615
1616         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1617         structs with volatile fields.
1618
1619 2009-05-10  Jan Hubicka  <jh@suse.cz>
1620
1621         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1622         (estimate_move_cost): Assert that it does not get called for
1623         VOID_TYPE_P.
1624         (estimate_num_insns): Skip VOID types in argument handling.
1625         (optimize_inline_calls): Delete unreachable blocks and verify that
1626         callgraph is valid.
1627
1628 2009-05-10  Jan Hubicka  <jh@suse.cz>
1629
1630         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1631         * cgraph.c (cgraph_mark_address_taken_node): New function.
1632         (dump_cgraph_node): Dump new flag.
1633         * cgraph.h (struct cgraph_node): Add address_taken.
1634         (cgraph_mark_address_taken_node): New function.
1635         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1636         since new direct calls can be born.
1637
1638 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1639
1640         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1641         tok->val.node.node.
1642
1643 2009-05-10  Jan Hubicka  <jh@suse.cz>
1644
1645         PR middle-end/40084
1646         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1647         argument; rewrite.
1648         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1649         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1650         * tree-inline.c (copy_bb): Set frequency correctly.
1651         (fold_marked_statements): Update call to
1652         cgraph_update_edges_for_call_stmt.
1653
1654 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1655
1656         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1657         identifiers in diagnostics.
1658         * config/arm/arm.c (arm_handle_fndecl_attribute,
1659         arm_handle_isr_attribute): Likewise.
1660         * config/avr/avr.c (avr_handle_progmem_attribute,
1661         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1662         Likewise.
1663         * config/bfin/bfin.c (handle_int_attribute,
1664         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1665         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1666         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1667         Likewise.
1668         * config/darwin.c (darwin_handle_kext_attribute,
1669         darwin_handle_weak_import_attribute): Likewise.
1670         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1671         h8300_handle_eightbit_data_attribute,
1672         h8300_handle_tiny_data_attribute): Likewise.
1673         * config/i386/i386.c (ix86_handle_cconv_attribute,
1674         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1675         Likewise.
1676         * config/i386/winnt.c (ix86_handle_shared_attribute,
1677         ix86_handle_selectany_attribute): Likewise.
1678         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1679         * config/m32c/m32c.c (function_vector_handler): Likewise.
1680         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1681         m68hc11_handle_fntype_attribute): Likewise.
1682         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1683         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1684         * config/mips/mips.c (mips_insert_attributes,
1685         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1686         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1687         rs6000_handle_struct_attribute): Likewise.
1688         * config/sh/sh.c (sh_insert_attributes,
1689         sh_handle_resbank_handler_attribute,
1690         sh_handle_interrupt_handler_attribute,
1691         sh2a_handle_function_vector_handler_attribute,
1692         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1693         Likewise.
1694         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1695         * config/spu/spu.c (spu_handle_fndecl_attribute,
1696         spu_handle_vector_attribute): Likewise.
1697         * config/stormy16/stormy16.c
1698         (xstormy16_handle_interrupt_attribute): Likewise.
1699         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1700         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1701
1702 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1703
1704         * pretty-print.h (struct pretty_print_info): Add
1705         translate_identifiers.
1706         (pp_translate_identifiers): New.
1707         (pp_identifier): Only conditionally translate identifier to locale
1708         character set.
1709         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1710         (pp_base_tree_identifier): Only conditionally translate identifier
1711         to locale character set.
1712         * c-pretty-print.c (M_): Define.
1713         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1714         fragments for conditional translation with M_.
1715         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1716         identifier translation.
1717
1718 2009-05-10  Richard Guenther  <rguenther@suse.de>
1719
1720         PR tree-optimization/40081
1721         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1722         using the main variant of the element type.  Do not fiddle with
1723         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1724
1725 2009-05-09  Jan Hubicka  <jh@suse.cz>
1726
1727         PR middle-end/40080
1728         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1729         indirect calls; verify cgraph afterwards.
1730
1731 2009-05-09  Jan Hubicka  <jh@suse.cz>
1732
1733         PR bootstrap/40082
1734         * ipa.c (update_inlined_to_pointer): New function.
1735         (cgraph_remove_unreachable_nodes): Use it.
1736
1737 2009-05-09  Jan Hubicka  <jh@suse.cz>
1738
1739         * tree-eh.c (struct leh_state): Remove prev_try.
1740         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1741         not track prev_try.
1742         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1743         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1744         remove_eh_handler_and_replace, foreach_reachable_handler,
1745         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1746         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1747         (gen_eh_region_cleanup): Update prototype.
1748
1749 2009-05-09  Jan Hubicka  <jh@suse.cz>
1750
1751         PR middle-end/40043
1752         * except.c (copy_eh_region): Always set prev_try.
1753         (redirect_eh_edge_to_label): Find outer try.
1754         (foreach_reachable_handler): When looking for prev try
1755         handle case where previous try is not going to be taken.
1756
1757 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1758
1759         PR tree-optimization/40049
1760         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1761         only vector/vector shifts, convert the type of the constant to the
1762         appropriate type to avoid building incorrect trees, which
1763         eventually have problems with garbage collection.
1764
1765 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1766
1767         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1768         -1 for complex floating-point types if honoring signed zeros.
1769
1770 2009-05-08  Jan Hubicka  <jh@suse.cz>
1771
1772         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1773         argument; handle correctly when profile is absent.
1774         (build_cgraph_edges): Update.
1775         (rebuild_cgraph_edges): Update.
1776         * cgraph.c: Do not include varray.h.
1777         (cgraph_set_call_stmt_including_clones): New function.
1778         (cgraph_create_edge_including_clones): Likewise
1779         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1780         (cgraph_update_edges_for_call_stmt): Handle clones.
1781         (cgraph_remove_node): Handle clone tree.
1782         (cgraph_remove_node_and_inline_clones): New function.
1783         (dump_cgraph_node): Dump clone tree.
1784         (cgraph_clone_node): Handle clone tree.
1785         (clone_function_name): Bring here from tree-inline.c.
1786         (cgraph_create_virtual_clone): New function.
1787         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1788         (cgraph_clone_info): New function.
1789         (strut cgraph_node): Add clone_info and new clone tree pointers.
1790         (cgraph_remove_node_and_inline_clones,
1791         cgraph_set_call_stmt_including_clones,
1792         cgraph_create_edge_including_clones,
1793         cgraph_create_virtual_clone): Declare.
1794         (cgraph_function_versioning): Use VEC argument.
1795         (compute_call_stmt_bb_frequency): Update prototype.
1796         (cgraph_materialize_all_clones): New function.
1797         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1798         (ipcp_create_replace_map): Update to VECtors.
1799         (ipcp_update_callgraph): Use virtual clones.
1800         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1801         (ipcp_update_profiling): Do not update local profiling.
1802         (ipcp_insert_stage): Use VECtors and virtual clones.
1803         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1804         (clone_of_p): New function.
1805         (cgraph_preserve_function_body_p): Use clone tree.
1806         (cgraph_optimize): Materialize clones.
1807         (cgraph_function_versioning): Update for VECtors.
1808         (save_inline_function_body): Use clone tree.
1809         (cgraph_materialize_clone): New function.
1810         (cgraph_materialize_all_clones): Likewise.
1811         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1812         * ipa.c: Include gimple.h.
1813         (cgraph_remove_unreachable_nodes): Use clone tree.
1814         * ipa-prop.c (ipa_note_param_call): Update call to
1815         compute_call_stmt_bb_frequencycall.
1816         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1817         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1818         (copy_bb): Handle updating of clone tree; add new edge when new call
1819         appears.
1820         (expand_call_inline): Be strict about every call having edge.
1821         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1822         (delete_unreachable_blocks_update_callgraph): New function.
1823         (tree_function_versioning): Use VECtors; always remove unreachable
1824         blocks and fold conditionals.
1825         * tree-inline.h: Do not include varray.h.
1826         (tree_function_versioning): Remove.
1827         * Makefile.in (GTFILES): Remove tree-inline.c
1828         * passes.c (do_per_function): Do only functions having body.
1829         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1830         tree.
1831
1832 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1833             Andrew Morrow  <acm@google.com>
1834
1835         PR c/36892
1836         * c-common.c (c_common_attribute_table): Permit deprecated
1837         attribute to take an optional argument.
1838         (handle_deprecated_attribute): If the optional argument to
1839         __attribute__((deprecated)) is not a string ignore the attribute
1840         and emit a warning.
1841
1842         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1843         * c-typeck.c (build_component_ref): Likewise.
1844         (build_external_ref): Likewise.
1845
1846         * toplev.c (warn_deprecated_use): Add an attribute argument.
1847         Emit the message associated with __attribute__((deprecated)).
1848
1849         * toplev.h (warn_deprecated_use): Updated.
1850
1851         * doc/extend.texi: Document new optional parameter to
1852         __attribute__((deprecated))
1853
1854 2009-05-08  Michael Eager <eager@eagercon.com>
1855
1856         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1857         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1858
1859 2009-05-08  Richard Guenther  <rguenther@suse.de>
1860
1861         PR tree-optimization/40062
1862         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1863         Avoid exponential behavior.
1864
1865 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1866
1867         PR rtl-optimization/33928
1868         PR 26854
1869         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1870         process_uses, build_single_def_use_links): New.
1871         (update_df): Update use_def_ref.
1872         (forward_propagate_into): Use get_def_for_use instead of use-def
1873         chains.
1874         (fwprop_init): Call build_single_def_use_links and let it initialize
1875         dataflow.
1876         (fwprop_done): Free use_def_ref.
1877         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1878         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1879         df_rd_simulate_one_insn): New.
1880         (df_rd_bb_local_compute_process_def): Update head comment.
1881         (df_chain_create_bb): Use the new RD simulation functions.
1882         * df.h (df_rd_simulate_artificial_defs_at_top, 
1883         df_rd_simulate_one_insn): New.
1884         * opts.c (decode_options): Enable fwprop at -O1.
1885         * doc/invoke.texi (-fforward-propagate): Document this.
1886
1887 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1888
1889         PR c/24581
1890         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1891         and one complex operand specially.
1892         * tree-complex.c (some_nonzerop): Do not identify a real value as
1893         zero if flag_signed_zeros.
1894
1895 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         PR rtl-optimization/33928
1898         * loop-invariant.c (record_use): Fix && vs. || mishap.
1899
1900 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1901
1902         PR rtl-optimization/33928
1903         * loop-invariant.c (struct use): Add addr_use_p.
1904         (struct def): Add n_addr_uses.
1905         (struct invariant): Add cheap_address.
1906         (create_new_invariant): Set cheap_address.
1907         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1908         (record_uses): Pass df_ref to record_use.
1909         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1910         used only as such.
1911
1912 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1913
1914         * config/sh/sh.c: Do not include c-pragma.h.
1915
1916 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1917
1918         * config/spu/spu.c: Remove include of c-common.h.
1919
1920 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1921
1922         PR c/39037
1923         * c-common.h (mark_valid_location_for_stdc_pragma,
1924         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1925         clear_float_const_decimal64, float_const_decimal64_p): New.
1926         * c.opt (Wunsuffixed-float-constants): New.
1927         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1928         unsuffixed float constant, handle new warning.
1929         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1930         * c-decl.c (c_scope): New flag float_const_decimal64.
1931         (set_float_const_decimal64, clear_float_const_decimal64,
1932         float_const_decimal64_p): New.
1933         (push_scope): Set new flag.
1934         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1935         to use STDC pragmas.
1936         (c_parser_external_declaration): Ditto.
1937         (c_parser_compound_statement_nostart): Ditto.
1938         * c-pragma.c (valid_location_for_stdc_pragma,
1939         mark_valid_location_for_stdc_pragma,
1940         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1941         handle_pragma_float_const_decimal64): New.
1942         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1943         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1944         set_float_const_decimal64, clear_float_const_decimal64,
1945         float_const_decimal64_p): New dummy functions.
1946         * doc/extend.texi (Decimal Float): Remove statement that the
1947         pragma, and suffix for double constants, are not supported.
1948         * doc/invoke.texi (Warning Options): List new option.
1949         (-Wunsuffixed-float-constants): New.
1950
1951 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1952
1953         * config/i386/i386.c: Do not include c-common.h.
1954
1955 2009-05-07  Mark Heffernan  <meheff@google.com>
1956
1957         * doc/invoke.texi (Debugging Options): Document change of debugging
1958         dump location.
1959         * opts.c (decode_options): Make dump_base_name relative to
1960         aux_base_name directory.
1961
1962 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1963
1964         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1965         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1966
1967 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1968
1969         * Makefile.in (install-plugin): Simplify a bit.
1970
1971 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1972
1973         * Makefile.in (OBJS-common): Add regcprop.o.
1974         (regcprop.o): New.
1975         * timevar.def (TV_CPROP_REGISTERS): New.
1976         * regrename.c (regrename_optimize): Return 0.
1977         (rest_of_handle_regrename): Delete.
1978         (pass_rename_registers): Point to regrename_optimize.
1979         (struct value_data_entry, struct value_data, 
1980         kill_value_one_regno, kill_value_regno, kill_value,
1981         set_value_regno, init_value_data, kill_clobbered_value,
1982         kill_set_value, kill_autoinc_value, copy_value,
1983         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1984         replace_oldest_value_reg, replace_oldest_value_addr,
1985         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1986         debug_value_data, validate_value_data): Move...
1987         * regcprop.c: ... here.
1988         (rest_of_handle_cprop): Delete.
1989         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1990
1991 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1992
1993         PR middle-end/40057
1994         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1995         GEN_INT for 1 << bitnum.
1996         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1997         build_int_cst_type.
1998
1999 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2002         Remove wrong description of "nand" operation.
2003
2004 2009-05-06  Richard Guenther  <rguenther@suse.de>
2005             Adam Nemet  <anemet@caviumnetworks.com>
2006
2007         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2008         comment.  Add that if LHS is not a gimple register, then RHS1 has
2009         to be a single object (GIMPLE_SINGLE_RHS).
2010
2011 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2012
2013         * expr.c (get_def_for_expr): Move it up in the file.
2014         (store_field): When expanding a bit-field store, look at the
2015         defining gimple stmt for the masking conversion.
2016
2017 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2018
2019         PR middle-end/39986
2020         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2021         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2022         32-bit memcpy into long.
2023
2024 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2025
2026         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2027         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2028         new_reg_loc_descr.
2029         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2030         instead of appending DW_OP_deref*.
2031
2032 2009-05-06  Michael Matz  <matz@suse.de>
2033
2034         PR middle-end/40021
2035         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2036         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2037
2038 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2039
2040         * Makefile.in (install-plugin): Fix srcdir handling.
2041
2042 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2043
2044         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2045         when processing for not_regs_needed bitmap.
2046         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2047         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2048         handling it for rhs. 
2049
2050 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2051
2052         * config/i386/i386.md (unnamed inc/dec peephole): Use
2053         optimize_insn_for_size_p instead of optimize_size.
2054         * config/i386/predicates.md (incdec_operand): Likewise.
2055         (aligned_operand): Likewise.
2056         * config/i386/sse.md (divv8sf3): Likewise.
2057         (sqrtv8sf2): Likewise.
2058
2059 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2060
2061         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2062
2063         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2064
2065 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2066
2067         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2068         ssemodesuffixf2c with avxmodesuffixf2c.
2069
2070 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2071
2072         PR c/40032
2073         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2074
2075 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2076
2077         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2078         (struct tree_base): Adjust spacing for 8 bit boundaries.
2079         (struct tree_decl_common): Add decl_by_reference_flag bit.
2080         (DECL_BY_REFERENCE): Adjust.
2081         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2082         print DECL_BY_REFERENCE bit.
2083         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2084         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2085         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2086         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2087         unconditionally.
2088
2089         PR middle-end/39666
2090         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2091         range of the type, but default label is missing, add it with one
2092         of the existing labels instead of adding a new label for it.
2093
2094 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2095
2096         * dwarf.h: Remove.
2097
2098 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2099
2100         * Makefile.in (enable_plugin, plugin_includedir): New.
2101         (install): Depend on install-plugin.
2102         (PLUGIN_HEADERS): New.
2103         (install-plugin): New.
2104         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2105
2106 2009-05-05  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/40022
2109         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2110         the only vuse.
2111         (phivn_valid_p): Fix tuplification error, simplify.
2112         (phiprop_insert_phi): Add dumps.
2113         (propagate_with_phi): Simplify.
2114
2115 2009-05-05  Richard Guenther  <rguenther@suse.de>
2116
2117         PR middle-end/40023
2118         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2119
2120 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2121
2122         * tree.h (strip_float_extensions): Remove duplicate declaration.
2123         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2124         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2125         block_ultimate_origin): Rearrange the declarations line to match the
2126         comment that indicates the .c file which the functions are defined.
2127         (dwarf2out_*, set_decl_rtl): Add comment.
2128         (get_base_address): Adjust comment.
2129         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2130         declarations line and add comment.
2131         (is_builtin_name): Add blank after function name, for clarity.
2132
2133 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2134
2135         * attribs.c (decl_attributes): Use %qE for identifiers in
2136         diagnostics.
2137         * cgraphunit.c (verify_cgraph_node): Translate function names to
2138         locale character set in diagnostics.
2139         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2140         diagnostics.
2141         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2142         Document that functions are named in UTF-8.
2143         * expr.c (expand_expr_real_1): Translate function names to locale
2144         character set in diagnostics.
2145         * gimplify.c (omp_notice_variable, omp_is_private,
2146         gimplify_scan_omp_clauses): Use %qE for identifiers in
2147         diagnostics.
2148         * langhooks.c (lhd_print_error_function): Translate function names
2149         to locale character set.
2150         * langhooks.h (decl_printable_name): Document that return value is
2151         in internal character set.
2152         * stmt.c: Include pretty-print.h
2153         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2154         diagnostics.
2155         (resolve_operand_name_1): Translate named operand name to locale
2156         character set.
2157         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2158         diagnostics.
2159         * toplev.c (announce_function): Translate function names to locale
2160         character set.
2161         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2162         (default_tree_printer): Use pp_identifier or translate identifiers
2163         to locale character set.  Mark "<anonymous>" for translation.
2164         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2165         for identifiers in diagnostics.
2166         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2167         diagnostics.
2168         * varasm.c (output_constructor): Use %qE for identifiers in
2169         diagnostics.
2170
2171 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2172
2173         * configure.ac: use ` ` instead of $()
2174         * configure: Regenerate.
2175
2176 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2177
2178         * config/pa/linux-atomic.c: Eliminate conditional include of
2179         errno.h on non-LP64 systems to simplify build requirements.
2180
2181 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2182
2183         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2184         diagnostics.
2185         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2186         and pass value to identifier_to_locale.
2187         (warn_variable_length_array): Make name a tree.
2188         (grokdeclarator): Separate diagnostic texts for named and unnamed
2189         declarators.  Use %qE for named declarators.
2190         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2191         diagnostics.
2192         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2193         identifiers in diagnostics.
2194         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2195         identifier_to_locale.  Mark "anonymous" strings for translation.
2196
2197 2009-05-04  Michael Eager <eager@eagercon.com>
2198
2199         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2200         address for DImode/DFmode only if double-precision FP regs.
2201
2202 2009-05-04  Michael Eager <eager@eagercon.com>
2203
2204         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2205         TARGET_SINGLE_FLOAT check.
2206
2207 2009-05-04  Michael Eager <eager@eagercon.com>
2208
2209         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2210
2211 2009-05-04  Michael Eager <eager@eagercon.com>
2212
2213         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2214         * config/rs6000/t-xilinx: New
2215
2216 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2217
2218         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2219         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2220         * gcc/explow.c (memory_address): Use target hook.
2221         * gcc/targhooks.c (default_legitimize_address): New.
2222         * gcc/targhooks.h (default_legitimize_address): New.
2223         * gcc/target.h (legitimize_address): New.
2224         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2225         (TARGET_INITIALIZER): Include it.
2226         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2227
2228         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2229         * config/bfin/bfin.c (legitimize_address): Remove.
2230         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2231         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2232         Remove.
2233         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2234         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2235
2236         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2237         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2238         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2239         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2240         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2241         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2242         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2243         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2244         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2245         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2246         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2247         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2248         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2249         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2250         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2251         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2252         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2253         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2254         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2255         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2256         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2257         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2258         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2259
2260         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2261         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2262         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2263         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2264         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2265         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2266         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2267         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2268         (thumb_legitimize_address): Delete.
2269         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2270         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2271         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2272         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2273         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2274         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2275         Delete.
2276         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2277         Delete.
2278
2279         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2280         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2281         * config/m32r/m32r.c (m32r_legitimize_address): New.
2282         * config/m68k/m68k.c (m68k_legitimize_address): New.
2283         * config/score/score.c (score_legitimize_address): Standardize.
2284         * config/score/score3.c (score3_legitimize_address): Standardize.
2285         * config/score/score3.h (score3_legitimize_address): Adjust.
2286         * config/score/score7.c (score7_legitimize_address): Standardize.
2287         * config/score/score7.h (score7_legitimize_address): Adjust.
2288         * config/sh/sh.c (sh_legitimize_address): New.
2289         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2290
2291         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2292         (s390_legitimize_address): ... this.
2293         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2294         (sparc_legitimize_address): ... this.
2295         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2296         (ix86_legitimize_address): ... this.
2297         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2298         (avr_legitimize_address): ... this.
2299         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2300         (mn10300_legitimize_address): ... this.
2301         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2302         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2303         (alpha_expand_mov): Adjust call.
2304
2305         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2306         * config/spu/spu.c (spu_legitimize_address): Likewise.
2307         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2308         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2309
2310 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2311
2312         * intl.c (locale_encoding, locale_utf8): New.
2313         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2314         * intl.h (locale_encoding, locale_utf8): Declare.
2315         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2316         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2317         New.
2318         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2319         argument.
2320         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2321         (pp_base_tree_identifier): Declare as function.
2322         (identifier_to_locale): Declare.
2323         * Makefile.in (pretty-print.o): Update dependencies.
2324         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2325
2326 2009-05-04  Richard Guenther  <rguenther@suse.de>
2327
2328         PR middle-end/40015
2329         * builtins.c (fold_builtin_memory_op): Do not decay to element
2330         type if the size matches the whole array.
2331
2332 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2333
2334         * expmed.c (synth_mult): When trying out a shift, pass the result
2335         of a signed shift.
2336
2337 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2338
2339         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2340         (shiftsub1_cost): New.
2341         (init_expmed): Compute shiftsub1_cost.
2342         (synth_mult): Optimize multiplications by constants of the form
2343         -(2^^m-1) for some constant positive integer m.
2344
2345 2009-05-03  Richard Guenther  <rguenther@suse.de>
2346
2347         PR c/39983
2348         * c-typeck.c (array_to_pointer_conversion): Do not built
2349         ADDR_EXPRs of arrays of pointer-to-element type.
2350         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2351         up wrong ADDR_EXPRs after-the-fact.
2352         * c-common.c (strict_aliasing_warning): Strip pointer
2353         conversions for obtaining the original type.
2354         * builtins.c (fold_builtin_memset): Handle array types.
2355         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2356         and array types
2357
2358 2009-05-03  Richard Guenther  <rguenther@suse.de>
2359
2360         PR middle-end/23329
2361         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2362         Do not lose casts from array types with unknown extent to array
2363         types with known extent.
2364         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2365         alias set compatibility.
2366
2367 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2368
2369         * flags.h (extra_warnings): Delete.
2370         * toplev.c (process_options): Handle Wuninitialized here.
2371         * opts.c (extra_warnings): Delete.
2372         (set_Wextra): Delete.
2373         (common_handle_option): -Wextra can be handled automatically.
2374         * c-opts.c (c_common_handle_option): Delete obsolete code.
2375         (c_common_post_options): Simplify comment.
2376         * common.opt (W): Add Var.
2377         (Wextra): Add Var.
2378         (Wuninitialized): Initialize to -1.
2379
2380 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2381             Richard Guenther  <rguenther@suse.de>
2382
2383         * expr.c (get_def_for_expr): New function.
2384         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2385         SSA rather than trees.
2386         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2387         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2388         
2389 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2390
2391         * c-common.c (reswords): Add _Imaginary.
2392         * c-common.c (enum rid): Add RID_IMAGINARY.
2393
2394 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2395
2396         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2397         Patch by Richard Guenther.
2398
2399 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2400
2401         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2402         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2403         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2404         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2405         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2406         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2407         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2408         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2409         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2410         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2411         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2412         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2413         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2414         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2415         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2416         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2417         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2418         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2419
2420 2009-05-02  Richard Guenther  <rguenther@suse.de>
2421
2422         PR tree-optimization/39940
2423         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2424         doing so.
2425
2426 2009-05-02  Richard Guenther  <rguenther@suse.de>
2427
2428         PR middle-end/40001
2429         * tree-ssa.c (execute_update_addresses_taken): Properly check
2430         if we can mark a variable DECL_GIMPLE_REG_P.
2431         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2432         back to the end of the function.
2433         (is_gimple_reg_type): Remove complex type special casing.
2434         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2435         if not optimizing.
2436
2437 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2438
2439         * doc/collect2.texi (Collect2): Document search path behaviour
2440         when configured with --with-ld.
2441
2442 2009-05-02  Jan Hubicka  <jh@suse.cz>
2443
2444         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2445         parameter; update callers.
2446         (coalesce_cost_edge): EH edges are costier because they needs
2447         splitting even if not critical and even more costier when there are
2448         multiple EH predecestors.
2449
2450 2009-05-02  Jan Hubicka  <jh@suse.cz>
2451
2452         * except.c (remove_eh_handler_and_replace): Handle updating after
2453         removing TRY blocks.
2454
2455 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2456
2457         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2458
2459 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2460
2461         * varasm.c: Do not include c-pragma.h.
2462         * attribs.c: Do not incude c-common.h.
2463
2464 2009-05-01  Michael Matz  <matz@suse.de>
2465
2466         * calls.c (initialize_argument_information): Handle SSA names like
2467         decls with a non MEM_P DECL_RTL.
2468
2469 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2470
2471         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2472         * ipa-utils.c: Likewise.
2473         * ipa-type-escape.c: Likewise.
2474         * cgraphunit.c Do not include c-common.h.
2475         * ipa-pure-const.c: Likewise.
2476         * tree-if-conv.c: Likewise.
2477         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2478         * ipa-struct-reorg.c: Likewise.
2479         * tree-nomudflap.c: Likewise.
2480         * tree-ssa-structalias.c: Likewise.
2481
2482 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2483
2484         * store-motion.c: Many cleanups to make this pass a first-class
2485         citizen instead of an appendix to gcse load motion.  Add TODO list
2486         to make this pass faster/cleaner/better.
2487
2488         (struct ls_expr): Post gcse.c-split cleanups.
2489         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2490         "stores" field to "avail_stores".
2491         (pre_ldst_mems): Rename to store_motion_mems.
2492         (pre_ldst_table): Rename to store_motion_mems_table.
2493         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2494         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2495         (ldst_entry): Rename to st_expr_entry, update users.
2496         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2497         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2498         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2499         update caller.
2500         (first_ls_expr): Rename to first_st_expr, update users.
2501         (next_ls_expr): Rename to next_st_expr, update users.
2502         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2503         fields properly for store motion instead of names inherited from load
2504         motion in gcse.c.
2505         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2506         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2507         are done with it.
2508
2509         (ae_kill): Rename to st_kill, update users.
2510         (ae_gen): Rename to st_avloc, update users.
2511         (transp): Rename to st_transp, update users.
2512         (pre_insert_map): Rename to st_insert_map, update users.
2513         (pre_delete_map): Rename to st_delete_map, update users.
2514         (insert_store, build_store_vectors, free_store_memory,
2515         one_store_motion_pass): Update for abovementioned changes.
2516
2517         (gcse_subst_count, gcse_create_count): Remove.
2518         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2519         and "n_stores_created", local variables.
2520
2521         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2522         use for_each_rtx.
2523
2524         (regvec, compute_store_table_current_insn): Remove.
2525         (reg_set_info, reg_clear_last_set): Remove.
2526         (compute_store_table): Use DF caches instead of local dataflow
2527         solvers.
2528
2529 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2530
2531         * c-objc-common.c (c_tree_printer): Print identifiers with
2532         pp_identifier, not pp_string.  Mark "({anonymous})" for
2533         translation.
2534         * c-pretty-print.c (pp_c_ws_string): New.
2535         (pp_c_cv_qualifier, pp_c_type_specifier,
2536         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2537         pp_c_storage_class_specifier, pp_c_function_specifier,
2538         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2539         pp_c_primary_expression, pp_c_postfix_expression,
2540         pp_c_unary_expression, pp_c_shift_expression,
2541         pp_c_relational_expression, pp_c_equality_expression,
2542         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2543         use pp_string and pp_c_ws_string in place of pp_identifier and
2544         pp_c_identifier for non-identifiers.  Mark English strings for
2545         translation.
2546         * c-pretty-print.h (pp_c_ws_string): Declare.
2547
2548 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2549             Roland McGrath <roland@redhat.com>
2550
2551         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2552         (ENABLE_LD_BUILDID): New configuration option.
2553         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2554         (LINK_BUILDID_SPEC): New macro.
2555         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2556         link_spec.
2557         * doc/install.texi: Document --enable-linker-build-id option.
2558         * configure: Rebuild.
2559         * config.in: Rebuild.
2560
2561 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2562
2563         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2564         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2565         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2566         MIPS_GP_SAVE_AREA_SIZE.
2567         * config/mips/mips.c (struct mips_frame_info): Update comment
2568         before arg_pointer_offset and hard_frame_pointer_offset.
2569         (mips_compute_frame_info): Update diagram before function: to
2570         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2571         indicate the position of frame_pointer_rtx with -fstack-protector and
2572         to show args_size.  Don't allocate cprestore area for leaf functions
2573         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2574         cprestore_size.
2575         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2576
2577 2009-04-30  Michael Matz  <matz@suse.de>
2578
2579         PR tree-optimization/39955
2580         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2581
2582 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2583
2584         * ira.c (setup_cover_and_important_classes):  Use safe macro
2585         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2586         directly.
2587         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2588         REG_CLASS_FOR_CONSTRAINT.
2589
2590 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2591
2592         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2593         instead of an int.
2594         * bitmap.c (bitmap_descriptor): Likewise.
2595         * ggc-common.c (loc_descriptor): Likewise.
2596         * varray.c (varray_descriptor): Likewise.
2597         * vec.c (vec_descriptor): Likewise.
2598
2599 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2600
2601         * Makefile.in (dce.o): Add $(EXCEPT_H).
2602         * dce.c: Include except.h and delete redundant vector definitions.
2603         (deletable_insn_p): Return false for non-call insns that can throw
2604         if DF is running.
2605
2606 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2607
2608         * gcse.c (ae_gen): Remove.
2609         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2610         and make non-static function to make it available in store-motion.c.
2611         Update call sites with search-and-replace.
2612         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2613         extract_mentioned_regs, extract_mentioned_regs_helper,
2614         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2615         store_killed_in_insn, store_killed_after, store_killed_before,
2616         build_store_vectors, insert_insn_start_basic_block, insert-store,
2617         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2618         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2619         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2620         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2621         and clean up to remove parts not used by store motion.
2622         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2623         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2624
2625 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2626
2627         PR target/38571
2628         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2629         when optimizing for size.
2630
2631 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2632
2633         * gcse.c (gcse_constant_p): Fix typo in last change.
2634
2635 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2636
2637         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2638
2639 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2640
2641         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2642
2643 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2644
2645         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2646         CONST_HIGH_PART result.
2647
2648 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2649
2650         * config/avr/avr.c (initial_elimination_offset): Rename to
2651         avr_initial_elimination_offset.
2652         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2653         change return type to bool.
2654         (avr_can_eliminate): New function.
2655         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2656         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2657         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2658         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2659         avr_initial_elimination_offset.
2660         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2661         (avr_initial_elimination_offset): Define.
2662
2663 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2664             Steven Bosscher  <steven@gcc.gnu.org>
2665
2666         PR rtl-optimization/39938
2667         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2668         * cfgrtl.c: Include insn-attr.h.
2669         (rest_of_pass_free_cfg): New function.
2670         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2671         * resource.c (init_resource_info): Remove call to df_analyze.
2672
2673 2009-04-29  Richard Guenther  <rguenther@suse.de>
2674
2675         PR target/39943
2676         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2677         allow conversion to signed integers.
2678
2679 2009-04-29  Richard Guenther  <rguenther@suse.de>
2680
2681         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2682         shifts of floating point vectors if the shift amount is
2683         a constant multiple of the element size.
2684
2685 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2686             Michael Matz  <matz@suse.de>
2687
2688         PR middle-end/39927
2689         PR bootstrap/39929
2690         * tree-outof-ssa.c (emit_partition_copy): New function.
2691         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2692         insert_part_to_rtx_on_edge): Perform the partition base var
2693         copy using emit_partition_copy.
2694         (insert_value_copy_on_edge): Convert constants to the right mode.
2695         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2696         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2697
2698 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2699
2700         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2701         scan backwards to try to find a constant to initialize it.
2702
2703         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2704         insn before the loop_end instruction, don't look past labels.
2705
2706 2009-04-29  Richard Guenther  <rguenther@suse.de>
2707
2708         PR middle-end/39937
2709         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2710         loose type conversions.
2711         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2712         stmts only if there are no uses of its definition.
2713
2714 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2715
2716         * config/bfin/bfin.h (splitting_loops): Declare.
2717         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2718         Reorder bit definitions to be ascending.
2719         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2720         * config/bfin/bfin.c (splitting_loops): New variable.
2721         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2722         (struct loop_info): Remove members INIT and LOOP_INIT.
2723         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2724         the LSETUP sequence.  Allow LC to be loaded from any register, but
2725         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2726         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2727         set to 1.
2728         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2729         of reload_completed.
2730
2731         From Jie Zhang:
2732         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2733
2734 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2735
2736         * Makefile.in (PLUGIN_VERSION_H): New.
2737         (OBJS-common): Remove plugin-version.o.
2738         (plugin.o): Depend on (PLUGIN_VERSION_H).
2739         (plugin-version.o): Remove.
2740         * configure: Regenerate
2741         * configure.ac: Create plugin-version.h.
2742         * gcc-plugin.h (plugin_gcc_version): Remove.
2743         (plugin_default_version_check): Change signature.
2744         * plugin-version.c: Remove.
2745         * plugin.c: Include plugin-version.h.
2746         (str_plugin_gcc_version_name): Remove.
2747         (try_init_one_plugin): Pass gcc version to plugin_init.
2748         (plugin_default_version_check): Both gcc and plugin versions are now
2749         arguments.
2750
2751 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2752         
2753         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2754         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2755         Remove special case testing for last insn of inner loops. Don't fail
2756         if the loop ends with a jump, emit an extra nop instead.
2757
2758         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2759         DREGS rather than comparing directly.  Remove code that tries to
2760         account for latencies.
2761
2762 2009-04-29  Richard Guenther  <rguenther@suse.de>
2763
2764         PR tree-optimization/39941
2765         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2766         eliminating an indirect call.
2767
2768 2009-04-29  Richard Guenther  <rguenther@suse.de>
2769
2770         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2771         parameter.  Allow invariants as base if !require_lvalue.
2772         (verify_gimple_assign_single): Adjust.
2773
2774 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2775
2776         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2777         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2778         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2779         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2780         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2781         a VEC_SELECT.
2782         * config/bfin/bfin.c (bfin_expand_builtin,
2783         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2784
2785 2009-04-28  Richard Guenther  <rguenther@suse.de>
2786
2787         * tree-vect-loop.c (get_initial_def_for_induction): Use
2788         correct types for pointer increment.
2789
2790 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2791
2792         * toplev.c (print_version): Update GMP version string calculation.
2793
2794 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2795
2796         PR rtl-optimization/39938
2797         * resource.c (init_resource_info): Add call to df_analyze.
2798
2799 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2800
2801         * config/alpha/alpha.md (usegp): Cast the result of
2802         alpha_find_lo_sum_using_gp to enum attr_usegp.
2803         * config/alpha/alpha.c (override_options): Remove end-of-structure
2804         marker element from cpu_table.  Use array size of cpu_table to handle
2805         -mcpu and -mtune options.
2806         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2807
2808 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2809
2810         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2811         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2812         tune_32 and tune_64.
2813         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2814         support on PowerPC.
2815         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2816         * config/rs6000/option-defaults.h: ... here.  New file.
2817         (OPT_64, OPT_32): Define.
2818         (MASK_64BIT): Define to 0 if not already defined.
2819         (OPT_ARCH64, OPT_ARCH32): Define.
2820         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2821         and tune_64.
2822
2823 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2824
2825         * config/arm/arm.c (arm_override_options): Emit error on using
2826         fpa with AAPCS.
2827
2828 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2829
2830         PR rtl-optimization/39914
2831         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2832         registers for allocnos created from user-defined variables only
2833         when not optimizing.
2834
2835 2009-04-28  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/39937
2838         * fold-const.c (fold_binary): Use distribute_real_division only
2839         on float types.
2840
2841 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2842
2843         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2844         add hpux-stdint.h to tm_file.
2845         (hppa[12]*-*-hpux11*): Ditto.
2846         (ia64*-*-hpux*): Ditto.
2847         * config/hpux-stdint.h: New.
2848         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2849         __STDC_EXT__ for all compiles.
2850         * config/pa/pa-hpux.h: Ditto.
2851         * config/pa/pa-hpux10.h: Ditto.
2852         * config/pa/pa-hpux11.h: Ditto.
2853
2854 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2855
2856         * debug.h (set_name): Add comment.
2857
2858 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2859
2860         PR target/39929
2861         * config/darwin.c (machopic_gen_offset): Check
2862         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2863         * config/arm/arm.c (require_pic_register): Likewise.
2864
2865 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2866
2867         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2868         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2869         m32c_promote_prototypes): Delete.
2870
2871 2009-04-28  Michael Matz  <matz@suse.de>
2872
2873         PR middle-end/39922
2874         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2875         constants.
2876
2877 2009-04-28  Richard Guenther  <rguenther@suse.de>
2878
2879         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2880
2881 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2882
2883         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2884         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2885         * config/arm/arm-tune.md: Regenerate.
2886
2887 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2888
2889         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2890         block if there are complex incoming edges.
2891         (sel_merge_blocks): Remove useless assert.
2892         (sel_redirect_edge_and_branch): Check that edge was redirected.
2893         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2894         (sel_find_rgns): Delete declaration.
2895         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2896         the region when it is not a preheader.
2897
2898 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2899
2900         PR c/39323
2901         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2902
2903 2009-04-28  Richard Guenther  <rguenther@suse.de>
2904
2905         * tree.h (SSA_NAME_VALUE): Remove.
2906         (struct tree_ssa_name): Remove value_handle member.
2907         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2908         array for jump threading.
2909         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2910         SSA_NAME_VALUEs.
2911         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2912         * tree-flow.h (threadedge_initialize_values): Declare.
2913         (threadedge_finalize_values): Likewise.
2914         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2915         (SSA_NAME_VALUE): Define.
2916         (threadedge_initialize_values): New function.
2917         (threadedge_finalize_values): Likewise.
2918         * tree-ssa-dom.c (ssa_name_values): New global variable.
2919         (SSA_NAME_VALUE): Define.
2920         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2921
2922 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2923
2924         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2925         Use REPORT_VECTORIZED_LOCATIONS instead 
2926         REPORT_VECTORIZED_LOOPS.
2927         * tree-vectorizer.c (vect_verbosity_level): Make static.
2928         (vect_loop_location): Rename to vect_location.
2929         (vect_set_verbosity_level): Update comment.
2930         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2931         and vect_location.
2932         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2933         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2934         instead REPORT_UNVECTORIZED_LOOPS.
2935         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2936         and vect_loop_def to vect_external_def and vect_internal_def.
2937         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2938         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2939         REPORT_UNVECTORIZED_LOCATIONS.
2940         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2941         and vect_used_in_loop and to vect_unused_in_scope and 
2942         vect_used_in_scope.
2943         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2944         (vect_verbosity_level): Remove declaration.
2945         (vect_analyze_operations): Likewise.
2946         (vect_analyze_stmt): Declare.
2947         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2948         REPORT_UNVECTORIZED_LOCATIONS.
2949         (vect_get_loop_niters): Fix indentation.
2950         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2951         (vect_analyze_loop_operations): New function.
2952         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2953         vect_analyze_operations.
2954         (vect_is_simple_reduction): Use new names.
2955         (vectorizable_live_operation, vect_transform_loop): Likewise.
2956         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2957         to specify whether the data references can be a part of interleaving
2958         chain.
2959         (vect_analyze_data_ref_dependence): Use new names.
2960         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2961         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2962         * tree-vect-patterns.c (widened_name_p): Use new names.
2963         (vect_recog_dot_prod_pattern): Likewise.
2964         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2965         (process_use, vect_mark_stmts_to_be_vectorized, 
2966         vect_model_simple_cost, vect_model_store_cost,
2967         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2968         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2969         vectorizable_operation, vectorizable_type_demotion,
2970         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2971         vectorizable_condition): Likewise.
2972         (vect_analyze_operations): Split into vect_analyze_loop_operations
2973         and ...
2974         (vect_analyze_stmt): ... new function.
2975         (new_stmt_vec_info): Use new names.
2976         (vect_is_simple_use): Use new names and fix comment.
2977         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2978         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2979
2980 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2981
2982         PR target/39911
2983         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2984         and integer modes for x87 operands.  Do not ICE for unsupported size,
2985         generate error instead.  Generate error for unsupported operand types.
2986         ['z']: Do not handle HImode memory operands specially.  Warning
2987         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2988         types.  Do not ICE for unsupported size, generate error instead.
2989         (output_387_binary_op): Use %Z to output operands.
2990         (output_fp_compare): Ditto.
2991         (output_387_reg_move): Ditto.
2992
2993 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2994
2995         PR c++/35652
2996         Revert:
2997
2998         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2999
3000         * builtins.c (c_strlen): Do not warn here.
3001         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3002         * c-common.c (pointer_int_sum): Take an explicit location.
3003         Warn about offsets out of bounds.
3004         * c-common.h (pointer_int_sum): Adjust declaration.
3005
3006 2009-04-27  Ian Lance Taylor  <iant@google.com>
3007
3008         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3009         names to symkind.
3010         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3011         * df-core.c (df_set_flags): Change return type to int.  Change
3012         type of old_flags to int.
3013         (df_clear_flags): Likewise.
3014         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3015         (df_get_conditional_uses): Likewise.
3016         * df.h (df_set_flags, df_clear_flags): Update declarations.
3017         * dwarf2out.c (struct indirect_string_node): Change type of form
3018         field to enum dwarf_form.
3019         (AT_string_form): Change return type to enum dwarf_form.
3020         * fixed-value.c (fixed_compare): Add cast to enum type.
3021         * fwprop.c (update_df): Change 0 to VOIDmode.
3022         * gensupport.c: Change 0 to UNKNOWN.
3023         * gimple.h (gimple_cond_code): Add cast to enum type.
3024         * haifa-sched.c (reemit_notes): Add cast to enum type.
3025         * hooks.c (hook_int_void_no_regs): Remove function.
3026         * hooks.h (hook_int_void_no_regs): Remove declaration.
3027         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3028         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3029         * real.c (real_arithmetic): Add cast to enum type.
3030         (real_compare): Likewise.
3031         * target.h (struct gcc_target): Change return type of
3032         branch_target_register_class to enum reg_class.
3033         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3034         default_branch_target_register_class.
3035         * targhooks.c (default_branch_target_register_class): New function.
3036         * targhooks.h (default_branch_target_register_class): Declare.
3037         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3038         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3039         cast to int.
3040         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3041         ERROR_MARK.
3042         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3043         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3044         * tree-vect-stmts.c (supportable_widening_operation): Don't
3045         initialize icode1 and icode2.
3046         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3047         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3048         and to STD_C89.
3049         (cmn_err_flag_specs): Change 0 to STD_C89.
3050         (cmn_err_char_table): Likewise.
3051         * config/arm/arm.c (get_arm_condition_code): Change type of code
3052         to enum arm_cond_code.
3053         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3054         (IWMMXT_BUILTIN2): Likewise.
3055         (neon_builtin_type_bits): Don't define typedef.
3056         (neon_builtin_datum): Change type of bits field to int.
3057         (arm_expand_neon_args): Add cast to enum type.
3058         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3059         TLS_MODEL_NONE.
3060         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3061         casts to enum type.
3062         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3063         MIPS_FP_COND_f.
3064         * config/mips/mips.md (jal_macro): Return enum constant.
3065         (single_insn): Likewise.
3066         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3067         CODE_FOR_nothing.
3068         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3069         casts to enum type.
3070         * config/s390/s390.c (s390_tune_flags): Change type to int.
3071         (s390_arch_flags): Likewise.
3072         (s390_handle_arch_option): Change flags field of struct pta to int.
3073         * config/s390/s390.h (s390_tune_flags): Update declaration.
3074         (s390_arch_flags): Likewise.
3075         * config/sh/sh.c (prepare_move_operands): Compare
3076         tls_symbolic_operand result with enum constant.
3077         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3078         (sh_expand_prologue): Add cast to enum type.
3079         (sh_expand_epilogue): Likewise.
3080         (tls_symbolic_operand): Change return type to enum tls_model.
3081         (fpscr_set_from_mem): Add cast to enum type.
3082         (legitimize_pic_address): Compare tls_symbolic_operand result with
3083         enum constant.
3084         (sh_target_reg_class): Change return type to enum reg_class.
3085         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3086         PROCESSOR_xxx.
3087         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3088         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3089         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3090         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3091         (delayed_branch, tls_call_delay): Likewise.
3092         (eligible_for_sibcall_delay): Likewise.
3093         (eligible_for_return_delay): Likewise. 
3094         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3095         (spu_expand_builtin_1): Likewise.
3096
3097         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3098         for all types of conversions.
3099         (output_init_element): Issue -Wc++-compat warning if needed when
3100         initializing a bitfield with enum type.
3101         * c-parser.c (c_parser_expression): Set original_type to
3102         original_type of right hand operand of comman operator.
3103
3104 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3105
3106         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3107         grammar nits.
3108         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3109         * doc/cpp.texi (Standard Predefined Macros)
3110         (Implementation-defined behavior): Likewise.
3111         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3112         * doc/gimple.texi (GIMPLE Exception Handling)
3113         (@code{GIMPLE_ASSIGN}): Likewise.
3114         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3115         * doc/invoke.texi (Warning Options, Optimize Options)
3116         (AVR Options, Darwin Options): Likewise.
3117         (Optimize Options): Reformulate -fwhole-program description.
3118         * doc/loop.texi (Lambda): Likewise.
3119         * doc/md.texi (Output Template, Define Constraints)
3120         (Standard Names, Insn Splitting): Likewise.
3121         * doc/options.texi (Option properties): Likewise.
3122         * doc/passes.texi (Tree-SSA passes): Likewise.
3123         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3124         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3125         (File Names and DBX): Likewise.
3126         * doc/trouble.texi (Incompatibilities): Likewise.
3127
3128 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3129
3130         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3131         instruction is correct.
3132
3133 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3134
3135         Allow non-constant arguments to conversion intrinsics.
3136         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3137         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3138         * spu.c (print_operand): Handle 'v' and 'w'.
3139         (exp2_immediate_p, spu_gen_exp2): Define.
3140         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3141         spu_convtf_1): Update parameter descriptions.
3142         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3143         * constraints.md ('v', 'w'): New.
3144         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3145         Remove.
3146         (i2f, I2F): New define_mode_attr.
3147         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3148         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3149         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3150         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3151         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3152         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3153         patterns for combine.
3154
3155 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3156
3157         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3158         (cprop, hoist, pre, store_motion): New debug counters.
3159         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3160         is not an RTL pass anymore.
3161         (pass_profiling): Remove extern decl for pass removed in 2005.
3162         (pass_gcse, pass_jump_bypass): Remove.
3163         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3164         to 0 for clean state.
3165         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3166         * cse.c (gate_handle_cse_after_global_opts,
3167         rest_of_handle_cse_after_global_opts): New functions.
3168         (pass_cse_after_global_opts): New pass, does local CSE.
3169         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3170         (TV_CPROP): New timevar.
3171         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3172         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3173         (gcse_main, recompute_all_luids): Remove.
3174         (compute_hash_table_work): Call max_reg_num instead of reading
3175         max_gcse_regno.
3176         (cprop_jump): Don't set run_jump_opt_after_gcse.
3177         (constprop_register): Always allow to alter jumps.
3178         (cprop_insn): Likewise.
3179         (do_local_cprop): Likewise.
3180         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3181         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3182         (find_implicit_sets): Add note about missed optimization opportunity.
3183         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3184         pass_rtl_cprop execute function.
3185         Don't bother tracking the pass number, each pass gets its own dumpfile
3186         now anyway.
3187         Always allow to alter jumpsand bypass jumps.
3188         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3189         will just find no suitable set.
3190         (pre_edge_insert): Fix dumping, this function is for PRE only.
3191         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3192         pass_rtl_pre execute function.
3193         (hoist_code): Return non-zero if something changed.  Keep track of
3194         substitutions and insertions for statistics gathering similar to PRE.
3195         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3196         called from the pass_rtl_hoist execute function.  Show pass statistics.
3197         (compute_store_table): Use max_reg_num directly instead of using the
3198         formerly global max_gcse_regno.
3199         (build_store_vectors): Likewise.
3200         (replace_store_insn): Fix dumping.
3201         (store_motion): Rename to ...
3202         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3203         pass, called from the pass_rtl_store_motion execute function.  Keep
3204         track of substitutions and insertions for statistics gathering similar
3205         to PRE.
3206         (bypass_jumps): Remove, fold interesting bits into ...
3207         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3208         from the pass_rtl_cprop execute function.
3209         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3210         pass_jump_bypass): Remove.
3211         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3212         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3213         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3214         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3215         (gate_rtl_store_motion, execute_rtl_store_motion,
3216         pass_rtl_store_motion): New.
3217         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3218         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3219         * passes.c (init_optimization_passes): Remove pass_gcse and
3220         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3221         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3222         instead of pass_jump_bypass.
3223
3224 2009-04-27  Richard Guenther  <rguenther@suse.de>
3225
3226         PR middle-end/39928
3227         * gimplify.c (gimplify_expr): If we are required to create
3228         a temporary make sure it ends up as register.
3229
3230 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3231
3232         PR target/39903
3233         * config/i386/i386.c (construct_container): Don't call
3234         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3235         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3236
3237 2009-04-27  Michael Matz  <matz@suse.de>
3238
3239         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3240         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3241         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3242         (dump_replaceable_exprs): Take a bitmap.
3243         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3244         array.
3245         (expand_gimple_basic_block): Likewise.
3246         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3247         replaceable_expressions member a bitmap.
3248         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3249         (mark_replaceable): Likewise.
3250         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3251         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3252
3253 2009-04-27  Richard Guenther  <rguenther@suse.de>
3254
3255         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3256         (verify_stmts): Dispatch to gimple/type verification code.
3257         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3258         issue with call argument types.
3259
3260 2009-04-27  Michael Matz  <matz@suse.de>
3261
3262         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3263         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3264         to above.
3265
3266 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3267             Eric Botcazou  <ebotcazou@adacore.com>
3268
3269         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3270         a label's basic block.
3271         (mark_target_live_regs): Tidy and rework obsolete comments.
3272         Change back DF problem to LIVE.  If a label starts a basic block,
3273         assume that all registers that used to be live then still are.
3274         (init_resource_info): If a label starts a basic block, set its
3275         BLOCK_FOR_INSN accordingly.
3276         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3277
3278 2009-04-27  Richard Guenther  <rguenther@suse.de>
3279
3280         * tree-flow-inline.h (function_ann): Remove.
3281         (get_function_ann): Likewise.
3282         * tree-dfa.c (create_function_ann): Remove.
3283         * tree-flow.h (struct static_var_ann_d): Remove.
3284         (struct function_ann_d): Likewise.
3285         (union tree_ann_d): Remove fdecl member.
3286         (function_ann_t): Remove.
3287         (function_ann, get_function_ann, create_function_ann): Remove
3288         declarations.
3289
3290 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3291
3292         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3293
3294 2009-04-27  Jan Hubicka  <jh@suse.cz>
3295
3296         * ipa-pure-const.c (struct funct_state_d): New fields
3297         state_previously_known, looping_previously_known; remove
3298         state_set_in_source.
3299         (analyze_function): Use new fields.
3300         (propagate): Avoid assumption that state_set_in_source imply
3301         nonlooping.
3302
3303         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3304         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3305         * cfgloop.h (finite_loop_p): Declare.
3306
3307 2009-04-26  Michael Matz  <matz@suse.de>
3308
3309         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3310
3311 2009-04-26  Michael Matz  <matz@suse.de>
3312
3313         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3314         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3315         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3316         pass_mark_used_blocks): Remove.
3317         * tree-optimize.c (pass_free_datastructures,
3318         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3319         * passes.c (init_optimization_passes): Don't call
3320         pass_mark_used_blocks, remove dead code.
3321
3322 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3323
3324         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3325         * tree-ssa-live.h (register_ssa_partition): Likewise.
3326
3327 2009-04-26  Michael Matz  <matz@suse.de>
3328
3329         Expand from SSA.
3330         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3331         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3332         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3333         SSA names. 
3334         (compare_pairs): Swap cost comparison.
3335         (coalesce_ssa_name): Don't use change_partition_var.
3336         * tree-nrv.c (struct nrv_data): Add modified member.
3337         (finalize_nrv_r): Set it.
3338         (tree_nrv): Use it to update statements.
3339         (pass_nrv): Require PROP_ssa.
3340         * tree-mudflap.c (mf_decl_cache_locals,
3341         mf_build_check_statement_for): Use make_rename_temp.
3342         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3343         * alias.c (find_base_decl): Handle SSA names.
3344         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3345         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3346         * rtl.h (set_reg_attrs_for_parm): Declare.
3347         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3348         to "optimized", remove unused locals at finish.
3349         (execute_free_datastructures): Make global, call
3350         delete_tree_cfg_annotations.
3351         (execute_free_cfg_annotations): Don't call
3352         delete_tree_cfg_annotations.
3353
3354         * ssaexpand.h: New file.
3355         * expr.c (toplevel): Include ssaexpand.h.
3356         (expand_assignment): Handle SSA names the same as register variables.
3357         (expand_expr_real_1): Expand SSA names.
3358         * cfgexpand.c (toplevel): Include ssaexpand.h.
3359         (SA): New global variable.
3360         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3361         (SSAVAR): New macro.
3362         (set_rtl): New helper function.
3363         (add_stack_var): Deal with SSA names, use set_rtl.
3364         (expand_one_stack_var_at): Likewise.
3365         (expand_one_stack_var): Deal with SSA names.
3366         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3367         before unique numbers.
3368         (expand_stack_vars): Use set_rtl.
3369         (expand_one_var): Accept SSA names, add asserts for them, feed them
3370         to above subroutines.
3371         (expand_used_vars): Expand all partitions (without default defs),
3372         then only the local decls (ignoring those expanded already).
3373         (expand_gimple_cond): Remove edges when jumpif() expands an
3374         unconditional jump.
3375         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3376         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3377         SSA name.
3378         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3379         members of SA; deal with PARM_DECL partitions here; expand
3380         all PHI nodes, free tree datastructures and SA.  Commit instructions
3381         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3382         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3383         info and statements at start, collect garbage at finish.
3384         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3385         (VAR_ANN_PARTITION) Remove.
3386         (change_partition_var): Don't declare.
3387         (partition_to_var): Always return SSA names.
3388         (var_to_partition): Only accept SSA names.
3389         (register_ssa_partition): Only check argument.
3390         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3391         member.
3392         (delete_var_map): Don't free it.
3393         (var_union): Only accept SSA names, simplify.
3394         (partition_view_init): Mark only useful SSA names as used.
3395         (partition_view_fini): Only deal with SSA names.
3396         (change_partition_var): Remove.
3397         (dump_var_map): Use ssa_name instead of partition_to_var member.
3398         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3399         basic blocks.
3400         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3401         (struct _elim_graph): New member const_dests; nodes member vector of
3402         ints.
3403         (set_location_for_edge): New static helper.
3404         (create_temp): Remove.
3405         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3406         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3407         (new_elim_graph): Allocate const_dests member.
3408         (clean_elim_graph): Truncate const_dests member.
3409         (delete_elim_graph): Free const_dests member.
3410         (elim_graph_size): Adapt to new type of nodes member.
3411         (elim_graph_add_node): Likewise.
3412         (eliminate_name): Likewise.
3413         (eliminate_build): Don't take basic block argument, deal only with
3414         partition numbers, not variables.
3415         (get_temp_reg): New static helper.
3416         (elim_create): Use it, deal with RTL temporaries instead of trees.
3417         (eliminate_phi): Adjust all calls to new signature.
3418         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3419         (rewrite_trees): Only do checking.
3420         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3421         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3422         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3423         contains_tree_r, MAX_STMTS_IN_LATCH,
3424         process_single_block_loop_latch, analyze_edges_for_bb,
3425         perform_edge_inserts): Remove.
3426         (expand_phi_nodes): New global function.
3427         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3428         functions, initialize new parameter, remember partitions having a
3429         default def.
3430         (finish_out_of_ssa): New global function.
3431         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3432         don't reset in_ssa_p here, don't disable TER when mudflap.
3433         (pass_del_ssa): Remove.
3434         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3435         partition members.
3436         (execute_free_datastructures): Declare.
3437         * Makefile.in (SSAEXPAND_H): New variable.
3438         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3439         * basic-block.h (commit_one_edge_insertion): Declare.
3440         * passes.c (init_optimization_passes): Move pass_nrv and
3441         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3442         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3443         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3444         (redirect_branch_edge): Deal with super block when expanding, split
3445         out jump patching itself into ...
3446         (patch_jump_insn): ... here, new static helper.
3447
3448 2009-04-26  Michael Matz  <matz@suse.de>
3449
3450         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3451         beyond num_ssa_names.
3452         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3453         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3454
3455 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3456
3457         PR inline-asm/39543
3458         * fwprop.c (forward_propagate_asm): New function.
3459         (forward_propagate_and_simplify): Propagate also into __asm, if it
3460         doesn't increase the number of referenced registers.
3461
3462         PR c/39889
3463         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3464
3465 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3466
3467         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3468         note_nonlocal_vla_type for nonlocal VLAs.
3469         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3470         contains_remapped_vars, remap_vla_decls): New functions.
3471         (convert_nonlocal_reference_stmt): If not optimizing, call
3472         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3473         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3474         if it wasn't found in var_map.
3475         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3476         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3477         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3478         declare_vars.
3479         * gimplify.c (nonlocal_vlas): New variable.
3480         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3481         referenced VLAs.
3482         (gimplify_body): Create and destroy nonlocal_vlas.
3483
3484         * dwarf2out.c (loc_descr_plus_const): New function.
3485         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3486         mem_loc_descriptor, loc_descriptor_from_tree_1,
3487         descr_info_loc, gen_variable_die): Use it.
3488
3489         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3490         !TREE_STATIC VAR_DECLs.
3491         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3492         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3493         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3494         DECL_BY_REFERENCE is valid.
3495         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3496         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3497         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3498         Copy DECL_BY_REFERENCE.
3499         (struct nesting_copy_body_data): New type.
3500         (nesting_copy_decl): New function.
3501         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3502         if they have variable length.
3503
3504 2009-04-26  Michael Matz  <matz@suse.de>
3505
3506         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3507         mark new temporaries for renaming.
3508
3509 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3510
3511         PR c/39581
3512         * c-decl.c (global_bindings_p): Return negative value.
3513         (c_variable_size): New.  Based on variable_size from
3514         stor-layout.c.
3515         (grokdeclarator): Call c_variable_size not variable_size.
3516
3517 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3518
3519         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3520
3521 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3522
3523         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3524         Redefine it to just use mingw/include.
3525         (ASM_SPEC): Rules for -m32 and -m64.
3526         (LINK_SPEC): Use Likewise.
3527         (SPEC_32): New define.
3528         (SPEC_64): Likewise.
3529         (SUB_LINK_SPEC): Likewise.
3530         (MULTILIB_DEFAULTS): New define.
3531         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3532         Add multilib options.
3533         (MULTILIB_DIRNAMES): Likewise.
3534         (MULTILIB_OSDIRNAMES): Likewise.
3535         (LIBGCC): Likewise.
3536         (INSTALL_LIBGCC): Likewise.
3537
3538 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3539
3540         PR c/39556
3541         * c-tree.h (enum c_inline_static_type): New.
3542         (record_inline_static): Declare.
3543         * c-decl.c (struct c_inline_static, c_inline_statics,
3544         record_inline_static, check_inline_statics): New.
3545         (pop_file_scope): Call check_inline_statics.
3546         (start_decl): Call record_inline_static instead of pedwarning
3547         directly for static in inline function.
3548         * c-typeck.c (build_external_ref): Call record_inline_static
3549         instead of pedwarning directly for static referenced in inline
3550         function.
3551
3552 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3553
3554         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3555         not new but only being rescanned.
3556         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3557         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3558         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3559         record_set_info, compute_set, grealloc): Remove.
3560         (recompute_all_luids): New function.
3561         (gcse_main): Don't compute sets, and don't do related memory
3562         allocations/free-ing.  If something changed before the end of the
3563         pass, update LUIDs using recompute_all_luids.
3564         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3565         (free_gcse_mem): Don't free it either.
3566         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3567         Use the df insn LUIDs.
3568         (load_killed_in_block): Likewise.
3569         (compute_hash_table_work): Don't compute reg_set_in_block.
3570         (compute_transp): Use DF_REG_DEF_CHAINs.
3571         (local_cprop_pass): Don't use compute_sets and related functions.
3572         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3573         Use get_max_uid() instead of max_cuid.
3574         (insert_insn_end_basic_block, pre_insert_copy_insn,
3575         update_ld_motion_stores): Don't try to
3576         keep reg_set tables up to date.
3577         (pre_insert_copies): Use df insn LUIDs.
3578         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3579         (reg_set_info): Don't use extra bitmap argument.
3580         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3581         information to compute regs_set_in_block.
3582         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3583         (bypass_jumps): Don't use compute_sets and friends.
3584
3585 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3586
3587         PR testsuite/39710
3588         * opts.c (undocumented_msg): Do not leave blank even with
3589         ENABLE_CHECKING.
3590
3591 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3592
3593         * c-decl.c (build_enumerator): Allow values folding to integer
3594         constants but not integer constant expressions with a pedwarn if
3595         pedantic.
3596
3597 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3598
3599         PR c/39582
3600         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3601         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3602         type is an integer constant.
3603
3604 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3605
3606         PR target/39897
3607         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3608         HImode operands.
3609
3610 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3611
3612         PR c/39564
3613         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3614         with variably modified return type and no storage class
3615         specifiers, except for the case of nested functions.  Distinguish
3616         extern declarations of functions with variably modified return
3617         types from those of objects with variably modified types.
3618
3619 2009-04-25  Jan Hubicka  <jh@suse.cz>
3620
3621         * tree.c (list_equal_p): New function.
3622         * tree.h (list_equal_p): Declare.
3623         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3624         basic_block_def, basic_block, const_basic_block): New.
3625         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3626         (redirect_eh_edge): New function.
3627         (make_eh_edge_update_phi): EH edges are not abnormal.
3628         * except.c: Include tree-flow.h.
3629         (list_match): New function.
3630         (eh_region_replaceable_by_p): New function.
3631         (replace_region): New function.
3632         (hash_type_list): New function.
3633         (hash_eh_region): New function.
3634         (eh_regions_equal_p): New function.
3635         (merge_peers): New function.
3636         (remove_unreachable_regions): Verify EH tree when checking;
3637         merge peers.
3638         (copy_eh_region_1): New function.
3639         (copy_eh_region): New function.
3640         (push_reachable_handler): New function.
3641         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3642         regions without label but with live RESX.
3643         * except.h (redirect_eh_edge_to_label): New.
3644         * tree-flow.h (redirect_eh_edge): New.
3645         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3646         basic_block_def, basic_block, const_basic_block): Remove.
3647         * Makefile.in (except.o): Add dependency on tree-flow.h
3648         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3649         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3650         Remove.
3651
3652 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3653
3654         PR bootstrap/39645
3655         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3656         on the destination of memcpy.
3657
3658 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3659
3660         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3661         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3662         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3663
3664 2009-04-25  Jan Hubicka  <jh@suse.cz>
3665
3666         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3667         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3668         to be reached by different label than left.
3669         (update_eh_edges): Update comment; remove edge_to_remove if possible
3670         and return true if suceeded.
3671         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3672         (cleanup_eh): Compute sharing map.
3673         * except.c (remove_eh_handler_and_replace): Add argument if we should
3674         update regions.
3675         (remove_unreachable_regions): Update for label sharing.
3676         (label_to_region_map): Likewise.
3677         (get_next_region_sharing_label): New function.
3678         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3679         prev_try pointers.
3680         (remove_eh_handler): Update.
3681         (remove_eh_region_and_replace_by_outer_of): New function.
3682         * except.h (struct eh_region): Add next_region_sharing_label.
3683         (remove_eh_region_and_replace_by_outer_of,
3684         get_next_region_sharing_label): Declare.
3685         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3686
3687 2009-04-25  Jan Hubicka  <jh@suse.cz>
3688
3689         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3690         insert code even if they are not critical.
3691
3692 2009-04-25  Jan Hubicka  <jh@suse.cz>
3693
3694         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3695         (gimple_can_remove_branch_p): EH edges won't remove branch by
3696         redirection.
3697         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3698         updating of non-abnormal EH edges.
3699         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3700         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3701         (split_critical_edges): Split also edges where emitting code on them
3702         will lead to splitting later.
3703
3704 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3705             H.J. Lu  <hongjiu.lu@intel.com>
3706
3707         PR target/39590
3708         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3709         the configured assembler supports fildq and fistpq mnemonics.
3710         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3711         * configure: Regenerated.
3712         * config.in: Ditto.
3713
3714         * config/i386/i386.c (print_operand): Handle 'Z'.
3715         ['z']: Remove handling of special fild/fist suffixes.
3716         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3717         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3718         suffix of fild insn.
3719         (*floatsi<mode>2_vector_mixed): Ditto.
3720         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3721         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3722         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3723         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3724         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3725
3726 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3727  
3728         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3729         the source of a set operation.
3730
3731 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3732
3733         * target.h (struct gcc_target): Add case_values_threshold field.
3734         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3735         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3736         * targhooks.c (default_case_values_threshold): New function.
3737         * targhooks.h (default_case_values_threshold): Declare function.
3738         * stmt.c (expand_case): Use case_values_threshold target hook.
3739         * expr.h (case_values_threshold): Remove declartation.
3740         * expr.c (case_values_threshold): Remove function.
3741         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3742
3743         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3744         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3745         (avr_case_values_threshold): Declare as static.
3746         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3747
3748         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3749         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3750         (mn10300_case_values_threshold): New function.
3751
3752 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3753
3754         * ira.c (setup_cover_and_important_classes): Add enum cast.
3755
3756 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3757
3758         * genpreds.c (write_enum_constraint_num): Output definition of
3759         CONSTRAINT_NUM_DEFINED_P macro.
3760         * ira.c (setup_cover_and_important_classes): Use
3761         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3762         
3763 2009-04-24  DJ Delorie  <dj@redhat.com>
3764
3765         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3766         __SH2A_SINGLE_ONLY__ also.
3767
3768 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3769
3770         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3771         (movdf_internal): Ditto.
3772         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3773         SFmode and DFmode constants.
3774         (ia64_print_operand): Add 'G' format for printing
3775         floating point constants.
3776
3777 2009-04-24  Richard Guenther  <rguenther@suse.de>
3778
3779         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3780         from unsigned additions.
3781
3782 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3783
3784         * c-typeck.c (set_init_index): Allow array designators that are
3785         not integer constant expressions with a pedwarn if pedantic.
3786
3787 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3788
3789         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3790         zero if no overlap in nonzero bits between the operands.
3791
3792 2009-04-24  Ian Lance Taylor  <iant@google.com>
3793
3794         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3795         (record_dead_and_set_regs): Likewise.
3796         * df.h (struct df_mw_hardreg): Change flags field to int.
3797         (struct df_base_ref): Likewise.
3798         (struct df): Change changeable_flags field to int.
3799         * df-scan.c (df_defs_record): Change clobber_flags to int.
3800         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3801         constants rather than #define macros.
3802         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3803         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3804         (enum dwarf_calling_convention): Likewise.
3805         (enum dwarf_line_number_x_ops): Likewise.
3806         (enum dwarf_call_frame_info): Likewise.
3807         (enum dwarf_source_language): Likewise.
3808         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3809         (add_calling_convention_attribute): Likewise.
3810         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3811         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3812         * genrecog.c (maybe_both_true_2): Change c to int.
3813         (write_switch): Likewise.  Add cast to enum type.
3814         * gimplify.c (gimplify_omp_for): Handle return values from
3815         gimplify_expr using MIN rather than bitwise or.
3816         (gimplify_expr): Add cast to enum type.
3817         * ipa-prop.c (update_jump_functions_after_inlining): Change
3818         IPA_BOTTOM to IPA_JF_UNKNOWN.
3819         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3820         Add casts to enum type.
3821         (setup_cover_and_important_classes): Change cl to int.  Add casts
3822         to enum type.
3823         (setup_class_translate): Change cl and mode to int.
3824         (ira_init_once): Change mode to int.
3825         (free_register_move_costs): Likewise.
3826         (setup_prohibited_mode_move_regs): Add casts to enum type.
3827         * langhooks.c (add_builtin_function_common): Rework assertion that
3828         value fits bitfield.
3829         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3830         * omega.c (omega_do_elimination): Avoid math on enum types.
3831         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3832         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3833         int local to handle integral_argment value.
3834         * regmove.c (try_auto_increment): Change PUT_MODE to
3835         PUT_REG_NOTE_KIND.
3836         * reload.c (push_secondary_reload): Add casts to enum type.
3837         (secondary_reload_class, find_valid_class): Likewise.
3838         * reload1.c (emit_input_reload_insns): Likewise.
3839         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3840         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3841         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3842         constant.
3843         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3844         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3845         enum type.
3846         (expand_complex_libcall): Add casts to enum type.
3847         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3848         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3849         with ERROR_MARK, not NUM_TREE_CODES.
3850         (vect_create_epilog_for_reduction): Likewise.
3851         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3852         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3853         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3854         enum machine_mode.
3855         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3856         vect_unused_in_loop.  Change 0 to loop_vect.
3857         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3858         * var-tracking.c (get_init_value): Change return type to enum
3859         var_init_status.
3860         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3861         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3862         arm_fp_model.
3863         (arm_override_options): Add casts to enum type.
3864         (arm_emit_tls_decoration): Likewise.
3865         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3866         to enum type.
3867         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3868         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3869         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3870         enum type.
3871         * config/s390/s390.c (code_for_builtin_64): Change to array of
3872         enum insn_code.
3873         (code_for_builtin_31): Likewise.
3874         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3875         const *.
3876         * config/sparc/sparc.c (sparc_override_options): Change value
3877         field in struct code_model to enum cmodel.  In initializer change
3878         0 to NULL and add cast to enum type.
3879
3880         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3881         Change all callers.  Issue a -Wc++-compat warning using
3882         lhs_origtype if necessary.
3883         (convert_for_assignment): Issue -Wc++-compat warnings about
3884         invalid conversions to enum type on assignment.
3885         * c-common.h (build_modify_expr): Update declaration.
3886
3887 2009-04-24  Nick Clifton  <nickc@redhat.com>
3888
3889         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3890         (function_arg_advance): Likewise.
3891         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3892         5th alternative.
3893
3894 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3895
3896         * config/s390/constraints.md ('I', 'J'): Fix condition.
3897
3898 2009-04-24  Diego Novillo  <dnovillo@google.com>
3899
3900         * gengtype-parse.c (parse_error): Add newline after message.
3901
3902 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3903
3904         * config/i386/sse.md (avxmodesuffixs): Removed.
3905         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3906         (*avx_pinsr<ssevecsize>): This.
3907
3908 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3909
3910         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3911         follow chains of regs with a single definition, and allow expressions
3912         that are function_invariant_p.
3913         (simple_rhs_p): Allow expressions that are function_invariant_p.
3914
3915 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3916
3917         PR middle-end/39867
3918         * fold-const.c (fold_cond_expr_with_comparison): When folding
3919         > and >= to MAX, make sure the MAX uses the same type as the
3920         comparison's operands.
3921
3922 2009-04-24  Nick Clifton  <nickc@redhat.com>
3923
3924         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3925         addressing for DImode accesses.
3926         (frv_print_operand_address): Handle PLUS case.
3927         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3928
3929 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3930
3931         PR rtl-optimization/39794
3932         * alias.c (canon_true_dependence): Add x_addr argument.
3933         * rtl.h (canon_true_dependence): Adjust prototype.
3934         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3935         * cselib.c (cselib_invalidate_mem): Likewise.
3936         * gcse.c (compute_transp): Likewise.
3937         * dse.c (scan_reads_nospill): Likewise.
3938         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3939         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3940         canon_base_addr of the group, plus optional offset.
3941         (struct group_info): Rename canon_base_mem to
3942         canon_base_addr.
3943         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3944         canon_rtx of base_mem.
3945
3946 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3947
3948         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3949         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3950
3951 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3952
3953         * config/spu/spu-builtins.h: Delete file.
3954
3955         * config/spu/spu.h (enum spu_builtin_type): Move here from
3956         spu-builtins.h.
3957         (struct spu_builtin_description): Likewise.  Add GTY marker.
3958         Do not use enum spu_function_code or enum insn_code.
3959         (spu_builtins): Add extern declaration.
3960
3961         * config/spu/spu.c: Do not include "spu-builtins.h".
3962         (enum spu_function_code, enum spu_builtin_type_index,
3963         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3964         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3965         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3966         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3967         (spu_builtin_types): Make static.  Add GTY marker.
3968         (spu_builtins): Add extern declaration with GTY marker.
3969         Include "gt-spu.h".
3970
3971         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3972         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3973         Check programmatically whether all parameters are scalar.
3974
3975         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3976
3977 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3978
3979         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3980         assignment from the constructor either if the target is volatile.
3981
3982 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3983
3984         * config/arm/arm.md (insv): Do not share operands[0].
3985
3986 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3987
3988         * config/vxlib-tls.c (active_tls_threads): Delete.
3989         (delete_hook_installed): New.
3990         (tls_delete_hook): Don't delete the delete hook.
3991         (tls_destructor): Delete it here.
3992         (__gthread_set_specific): Adjust installing the delete hook.
3993         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3994         __gthread_leave_tsd_dtor_context.
3995
3996 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3997
3998         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3999
4000 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4001
4002         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4003         enum type.
4004         (alpha_rtx_costs): Ditto.
4005         (emit_unlikely_jump): Use add_reg_note.
4006         (emit_frame_store_1): Ditto.
4007         (alpha_expand_prologue): Ditto.
4008         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4009         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4010
4011 2009-04-23  Nick Clifton  <nickc@redhat.com>
4012
4013         * config/v850/v850.md (epilogue): Remove suppressed code.
4014         (return): Rename to return_simple and remove test of frame size.
4015         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4016         to gen_return_simple.
4017
4018 2009-04-22  Jing Yu  <jingyu@google.com>
4019
4020         PR testsuite/39781
4021         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4022
4023 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4024
4025         PR C/31499
4026         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4027         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4028         value is a VECTOR_CST, the element type is the element type of the
4029         vector.
4030
4031 2009-04-22  DJ Delorie  <dj@redhat.com>
4032
4033         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4034
4035 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4036
4037         * alias.c (find_base_term): Move around LO_SUM case, so that
4038         CONST falls through into PLUS/MINUS handling.
4039
4040         PR c/39855
4041         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4042         into 0, use omit_one_operand.
4043
4044 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4045
4046         * config/rs6000/linux-unwind.h (get_regs): Remove type
4047         puns. Change the type of `pc' to an array of unsigned ints and
4048         update all users.  Constify frame24.
4049
4050 2009-04-22  DJ Delorie  <dj@redhat.com>
4051
4052         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4053         declarations before code.
4054         (current_function_special_page_vector): Likewise.
4055         (m32c_expand_insv): Silence a warning.
4056
4057 2009-04-21  Taras Glek  <tglek@mozilla.com>
4058
4059         * alias.c: Update GTY annotations to new syntax.
4060         * basic-block.h: Likewise.
4061         * bitmap.h: Likewise.
4062         * c-common.h: Likewise.
4063         * c-decl.c: Likewise.
4064         * c-parser.c: Likewise.
4065         * c-pragma.c: Likewise.
4066         * c-tree.h: Likewise.
4067         * cfgloop.h: Likewise.
4068         * cgraph.h: Likewise.
4069         * config/alpha/alpha.c: Likewise.
4070         * config/arm/arm.h: Likewise.
4071         * config/avr/avr.h: Likewise.
4072         * config/bfin/bfin.c: Likewise.
4073         * config/cris/cris.c: Likewise.
4074         * config/darwin.c: Likewise.
4075         * config/frv/frv.c: Likewise.
4076         * config/i386/i386.c: Likewise.
4077         * config/i386/i386.h: Likewise.
4078         * config/i386/winnt.c: Likewise.
4079         * config/ia64/ia64.h: Likewise.
4080         * config/iq2000/iq2000.c: Likewise.
4081         * config/mips/mips.c: Likewise.
4082         * config/mmix/mmix.h: Likewise.
4083         * config/pa/pa.c: Likewise.
4084         * config/pa/pa.h: Likewise.
4085         * config/rs6000/rs6000.c: Likewise.
4086         * config/s390/s390.c: Likewise.
4087         * config/sparc/sparc.c: Likewise.
4088         * config/xtensa/xtensa.c: Likewise.
4089         * cselib.h: Likewise.
4090         * dbxout.c: Likewise.
4091         * dwarf2out.c: Likewise.
4092         * except.c: Likewise.
4093         * except.h: Likewise.
4094         * fixed-value.h: Likewise.
4095         * function.c: Likewise.
4096         * function.h: Likewise.
4097         * gimple.h: Likewise.
4098         * integrate.c: Likewise.
4099         * optabs.c: Likewise.
4100         * output.h: Likewise.
4101         * real.h: Likewise.
4102         * rtl.h: Likewise.
4103         * stringpool.c: Likewise.
4104         * tree-data-ref.c: Likewise.
4105         * tree-flow.h: Likewise.
4106         * tree-scalar-evolution.c: Likewise.
4107         * tree-ssa-address.c: Likewise.
4108         * tree-ssa-alias.h: Likewise.
4109         * tree-ssa-operands.h: Likewise.
4110         * tree.c: Likewise.
4111         * tree.h: Likewise.
4112         * varasm.c: Likewise.
4113         * varray.h: Likewise.
4114         * vec.h: Likewise.
4115         * coretypes.h: Do not define GTY macro if it is already defined.
4116         * doc/gty.texi: Update GTY documentation to new syntax.
4117         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4118         annotations on structs.
4119         * gengtype-parse.c: Likewise.
4120
4121 2009-04-22  Mark Heffernan  <meheff@google.com>
4122
4123         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4124
4125 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4126
4127         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4128         where appropriate.
4129
4130 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4131
4132         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4133         the same as a PLUS without a shift.  Increase the cost of a
4134         CONST_INT in MULT.
4135
4136 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4137
4138         * Makefile.in: Update dependencies.
4139         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4140         * errors.h: Remove bogus comment about compatibility.
4141         (warning): Update declaration.
4142         * genautomata.c: Update all calls to warning.
4143         * gimple.c: Do not include errors.h. Include toplev.h.
4144         * tree-ssa-structalias.c: Do not include errors.h.
4145         * omega.c: Likewise.
4146         * tree-ssa-reassoc.c: Likewise.
4147         * config/spu/spu-c.c: Likewise.
4148         * config/spu/t-spu-elf: Update dependencies.
4149
4150 2009-04-22  Richard Guenther  <rguenther@suse.de>
4151
4152         PR tree-optimization/39824
4153         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4154         make sure the types are compatible.
4155
4156 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4157
4158         PR c++/14875
4159         * c-common.c (c_parse_error): Take a token_flags parameter.
4160         Use token_type for the token type instead.
4161         Pass token_flags to cpp_type2name.
4162         * c-common.h (c_parse_error): Update declaration.
4163         * c-parser.c (c_parser_error): Pass 0 as token flags.
4164
4165 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4166
4167         PR rtl-optimization/39580
4168         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4169         
4170 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4171
4172         * function.c (expand_function_end): Do not emit a jump to the "naked"
4173         return label for fall-through returns.
4174         * except.c (sjlj_emit_function_exit): Always place the call to the
4175         unregister function at the location installed by expand_function_end.
4176
4177 2009-04-22  Richard Guenther  <rguenther@suse.de>
4178
4179         PR tree-optimization/39845
4180         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4181         (gen_inbound_check): Likewise.
4182
4183 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4184
4185         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4186         padding for PPC.
4187         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4188         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4189
4190 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4191
4192         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4193         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4194         shift counts to avoid out-of-bounds array accesses.
4195
4196 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4197
4198         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4199         (Pmode): Move above.
4200
4201 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4202
4203         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4204         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4205         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4206         * config/alpha/alpha.h: Ditto.
4207         * config/alpha/alpha.md: Ditto.
4208         * config/alpha/constraints.md: Ditto.
4209         * config/alpha/predicates.md: Ditto.
4210         
4211 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4212
4213         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4214         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4215         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4216         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4217         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4218         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4219         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4220         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4221         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4222         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4223         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4224         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4225         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4226         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4227         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4228         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4229         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4230         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4231         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4232         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4233         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4234         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4235         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4236         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4237         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4238         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4239         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4240
4241 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4242
4243         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4244         references from comments.
4245         * cfgbuild.c: (count_basic_blocks): Delete.
4246         (find_basic_blocks_1): Delete.
4247         (find_basic_blocks): Delete.
4248         * except.c (finish_eh_generation): Make static.  Move comment from
4249         except.h here.  Remove find_basic_blocks references from comments.
4250         * except.h (finish_eh_generation): Delete.
4251         * basic-block.h (find_basic_blocks): Delete.
4252         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4253
4254 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4255
4256         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4257         (sdbout_parms):  Likewise.
4258
4259 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4260
4261         * config/sh/sh.c (prepare_cbranch_operands): Use
4262         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4263         (expand_cbranchdi4): Likewise.
4264         (from_compare): Add cast to enum type.
4265         (expand_cbranchsi4): Use add_reg_note.
4266         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4267         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4268         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4269         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4270         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4271         instead of CODE_FOR_nothing.
4272         (cbranchdi4): Likewise.  Fix the order of arguments for
4273         gen_rtx_fmt_ee.
4274         (push_fpscr): Use add_reg_note.
4275         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4276         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4277         
4278 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4279
4280         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4281         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4282         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4283         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4284         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4285         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4286         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4287         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4288         config/alpha/x-vms, config/arc/t-arc,
4289         config/arm/README-interworking, config/arm/arm-c.c,
4290         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4291         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4292         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4293         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4294         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4295         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4296         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4297         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4298         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4299         config/cris/t-elfmulti, config/crx/t-crx,
4300         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4301         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4302         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4303         config/h8300/t-h8300, config/i386/athlon.md,
4304         config/i386/darwin-libgcc.10.4.ver,
4305         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4306         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4307         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4308         config/i386/t-linux64, config/i386/t-nwld,
4309         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4310         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4311         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4312         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4313         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4314         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4315         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4316         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4317         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4318         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4319         config/m68k/t-uclinux, config/mcore/t-mcore,
4320         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4321         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4322         config/mips/crtn.asm, config/mips/irix-crti.asm,
4323         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4324         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4325         config/mips/mips-fixed.md, config/mips/sb1.md,
4326         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4327         config/mips/t-iris6, config/mips/t-isa3264,
4328         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4329         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4330         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4331         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4332         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4333         config/mn10300/t-linux, config/mn10300/t-mn10300,
4334         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4335         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4336         config/picochip/libgccExtras/clzsi2.asm,
4337         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4338         config/rs6000/darwin-libgcc.10.4.ver,
4339         config/rs6000/darwin-libgcc.10.5.ver,
4340         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4341         config/rs6000/t-aix43, config/rs6000/t-aix52,
4342         config/rs6000/t-darwin, config/rs6000/t-fprules,
4343         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4344         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4345         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4346         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4347         config/rs6000/t-rtems, config/rs6000/t-spe,
4348         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4349         config/score/t-score-elf, config/sh/divcost-analysis,
4350         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4351         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4352         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4353         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4354         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4355         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4356         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4357         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4358         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4359         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4360         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4361         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4362         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4363         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4364         * config/h8300/genmova.sh: Include copyright and license notices
4365         in generated output.
4366         * config/h8300/mova.md: Regenerate.
4367         * doc/install.texi2html: Include word "Copyright" in copyright
4368         notice and use name "Free Software Foundation, Inc.".
4369         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4370         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4371         ChangeLog-2007, ChangeLog-2008: Correct dates.
4372
4373 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4374
4375         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4376         NE_EXPR operations as well.
4377         * c-parser.c (c_parser_condition): Do not set location information on
4378         the condition.
4379         (c_parser_conditional_expression): Likewise.
4380         (c_parser_binary_expression): Set location information on operators.
4381         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4382         TRUTH_NOT_EXPR has been folded.
4383         * fold-const.c (fold_truth_not_expr): Copy location information from
4384         the incoming expression to the outgoing one.
4385         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4386         recursive calls on the LHS of the operator but pass that of the
4387         operator to recursive calls on the RHS of the operator.  Set it
4388         on the COND_EXPR.
4389         (shortcut_cond_expr): Set the locus of the operator on the second
4390         COND_EXPR and that of the expression on the first in degenerate cases.
4391         Pass the locus of the expression to calls to shortcut_cond_r.
4392         Set the locus of the 'then' block on the associated jump, if any.
4393         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4394         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4395         expression to call to gimplify_boolean_expr.
4396
4397 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4398
4399         * config.gcc: Add additional configuration for
4400         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4401         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4402         (CPP_SPEC): Redefine for allowing -municode option.
4403         (STARTFILE_SPEC): Likewise.
4404         * config/i386/t-mingw-w64: New.
4405         * config/i386/mingw-w64.opt: New.
4406         (municode): Add new target option.
4407         * doc/invoke.texi (municode): Add documentation for new option.
4408
4409 2009-04-21  Ian Lance Taylor  <iant@google.com>
4410
4411         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4412         Correct test for number of arguments.
4413         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4414
4415 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4416
4417         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4418         argument of emit_library_call.
4419
4420 2009-04-21  Richard Guenther  <rguenther@suse.de>
4421
4422         PR middle-end/39829
4423         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4424         inside VIEW_CONVERT_EXPRs.
4425
4426 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4427
4428         * tree-switch-conversion.c (build_constructors): Split a long line.
4429         (constructor_contains_same_values_p): New function.
4430         (build_one_array): Create assigns of constants if possible, do not
4431         call mark_sym_for_renaming, call update_stmt.
4432         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4433         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4434         update_stmt.
4435         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4436         find_new_referenced_vars, call update_stmt.
4437         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4438         instead of calling make_rename_temp.  Do not call
4439         find_new_referenced_vars or mark_symbols_for_renaming, call
4440         update_stmt.
4441
4442 2009-04-21  Richard Guenther  <rguenther@suse.de>
4443
4444         PR tree-optimization/39827
4445         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4446         (tree_ssa_phiprop): Pass the correct array size.
4447
4448 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4449
4450         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4451
4452 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4453
4454         PR 16202
4455         * c-typeck.c (lvalue_p): Move declaration ...
4456         * c-common.h (lvalue_p): ... to here.
4457         * c-common.c (candidate_equal_p): New.
4458         (add_tlist): Use it.
4459         (merge_tlist): Use it.
4460         (warn_for_collisions_1): Likewise.
4461         (warning_candidate_p): Accept more candidates.
4462         (verify_tree): A warning candidate can be an expression. Use
4463         candidate_equal_p.
4464
4465 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4466
4467         PR target/5267
4468         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4469         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4470         options.  Remove -mcall-solaris documentation.
4471
4472 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4473
4474         PR c++/13358
4475         * doc/invoke.texi (-Wlong-long): Update description.
4476         * c-lex (interpret_integer): Only warn if there was no previous
4477         overflow and -Wlong-long is enabled.
4478         * c-decl.c (declspecs_add_type): Drop redundant flags.
4479         * c.opt (Wlong-long): Init to -1.
4480         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4481         and front-end warn_long_long. Wlong-long only depends on other
4482         flags if it is uninitialized.
4483         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4484         the same for CPP and FE.
4485         (restore_extension_diagnostics): Likewise.
4486
4487 2009-04-20  Ian Lance Taylor  <iant@google.com>
4488
4489         Fix enum conversions which are invalid in C++:
4490         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4491         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4492         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4493         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4494         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4495         (dbxout_parms): Likewise.
4496         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4497         (df_clear_flags): Likewise.
4498         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4499         top_flag parameter to int.
4500         (df_chain_create_bb_process_use): Likewise.
4501         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4502         Remove cast.
4503         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4504         (df_ref_create_structure, df_def_record_1): Likewise.
4505         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4506         (df_notes_rescan): Change 0 to VOIDmode in function call.
4507         (df_get_call_refs, df_insn_refs_collect): Likewise.
4508         (df_bb_regs_collect): Likewise.
4509         (df_entry_block_defs_collect): Likewise.
4510         (df_exit_block_uses_collect): Likewise.
4511         * df.h: Update declarations.
4512         * double-int.c (double_int_divmod): Add cast to enum type.
4513         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4514         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4515         (based_loc_descr): Likewise.
4516         (loc_descriptor_from_tree_1): Change first_op and second_op to
4517         enum dwarf_location_atom.  Add cast to enum type.
4518         * expmed.c (init_expmed): Change 0 to SET in function call.
4519         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4520         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4521         (do_store_flag): Likewise.
4522         * fixed-value.h (struct fixed_value): Change mode to enum
4523         machine_mode.
4524         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4525         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4526         function call.
4527         (insert_insn_decl, insert_decl, insert_state): Likewise.
4528         (automata_list_finish): Likewise.
4529         * genrecog.c (process_define_predicate): Add cast to enum type.
4530         * gensupport.c (init_predicate_table): Add cast to enum type.
4531         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4532         function call.
4533         (gimple_build_call_1, gimple_build_label): Likewise.
4534         (gimple_build_goto, gimple_build_asm_1): Likewise.
4535         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4536         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4537         (enum fallback): Rename from enum fallback_t.
4538         (fallback_t): Typedef as int.
4539         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4540         GSI_SAME_STMT in function call.
4541         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4542         enum type.
4543         (setup_reg_class_relations): Likewise.
4544         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4545         (setup_prohibited_class_mode_regs): Add cast to enum type.
4546         (setup_prohibited_mode_move_regs): Likewise.
4547         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4548         (record_address_regs): Change i to enum reg_class.
4549         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4550         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4551         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4552         (GET_MODE_2XWIDER_MODE): Likewise.
4553         (GET_CLASS_NARROWEST_MODE): Likewise.
4554         * omp-low.c (expand_omp_for): Add cast to enum type.
4555         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4556         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4557         * postreload.c (reload_cse_simplify_operands): Change rclass local
4558         to enum reg_class.
4559         * predict.c (combine_predictions_for_insn): Change best_predictor
4560         and predictor to enum br_predictor.
4561         (combine_predictions_for_bb): Likewise.
4562         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4563         use SET_PREDICT_EXPR_OUTCOME.
4564         * real.c (real_arithmetic): Change icode to code in function call.
4565         * reginfo.c (init_move_cost): Add casts to enum type.
4566         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4567         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4568         enum reg_class.
4569         * reload.c (find_valid_class): Add casts to enum type.
4570         (push_reload): Change 0 to NO_REGS in function call.
4571         (find_reloads): Change this_alternative to array of enum
4572         reg_class.  Remove some now-unnecessary casts.
4573         (make_memloc): Change 0 to VOIDmode in function call.
4574         * reload1.c (reload): Change 0 to VOIDmode in function call.
4575         (eliminate_regs_1, elimination_effects): Likewise.
4576         (eliminate_regs_in_insn): Likewise.
4577         (emit_input_reload_insns): Add cast to enum type.
4578         (delete_output_reload): Change 0 to VOIDmode in function call.
4579         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4580         to enum type in function call.
4581         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4582         (SET_PREDICT_EXPR_OUTCOME): Define.
4583         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4584         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4585         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4586         (dump_function): Likewise.
4587         * tree-dump.h: Update declarations.
4588         * tree-pass.h: Update declarations.
4589         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4590         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4591         enum type.
4592         (arm_rtx_costs_1): Correct parenthesization.
4593         (arm_rtx_costs): Add casts to enum type.
4594         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4595         (vfp_emit_fstmd): Use add_rg_note.
4596         (emit_multi_reg_push, emit_sfm): Likewise.
4597         (thumb_set_frame_pointer): Likewise.
4598         (arm_expand_prologue): Likewise.
4599         (arm_regno_class): Change return type to enum reg_class.
4600         (thumb1_expand_prologue): Use add_reg_note.
4601         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4602         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4603         in function call.
4604         * config/arm/gentune.sh: Add cast to enum type.
4605         * config/arm/arm-tune.md: Rebuild.
4606         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4607         (ix86_split_fp_branch, predict_jump): Likewise.
4608         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4609         insn_code to enum rtx_code.
4610         (ix86_builtin_vectorized_function): Add cast to enum type.
4611         * config/i386/i386.md (truncdfsf2): Change slot to enum
4612         ix86_stack_slot.
4613         (truncxf<mode>2, isinf<mode>2): Likewise.
4614         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4615         enum type.
4616         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4617         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4618         (insert_bundle_state): Change 1 to INSERT in function call.
4619         (ia64_add_bundle_selector_before): Likewise.
4620         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4621         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4622         (restore_stack_nonlocal): Likewise.
4623         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4624         function call.
4625         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4626         function call.
4627         (mips_rtx_costs): Likewise.
4628         (mips_override_options): Add casts to enum type.
4629         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4630         in function call.
4631         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4632         (store_reg, set_reg_plus_d): Likewise.
4633         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4634         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4635         cast to enum type.
4636         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4637         function call.
4638         (emit_unlikely_jump): Use add_reg_note.
4639         (rs6000_emit_allocate_stack): Likewise.
4640         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4641         (output_toc): Change 1 to INSERT in function call.
4642         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4643         (rs6000_initialize_trampoline): Likewise.
4644         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4645         function call.
4646         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4647         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4648         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4649         (save_gprs): Use add_reg_note.
4650         (s390_emit_prologue): Likewise.
4651         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4652         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4653         (sparc_fold_builtin): Add cast to enum type.
4654         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4655         enum insn_code.
4656         (spu_expand_prologue): Use add_reg_note.
4657         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4658
4659 2009-04-20  Ian Lance Taylor  <iant@google.com>
4660
4661         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4662         (c_parser_postfix_expression_after_primary): Get VEC for list of
4663         arguments.  Get original types of arguments.  Call
4664         build_function_call_vec.
4665         (cached_expr_list_1, cached_expr_list_2): New static variables.
4666         (c_parser_expr_list): Change return type to VEC *.  Add
4667         p_orig_types parameter.  Change all callers.
4668         (c_parser_release_expr): New static function.
4669         (c_parser_vec_to_tree_list): New static function.
4670         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4671         call build_function_call_vec.
4672         (build_function_call_vec): New function, based on old
4673         build_function_call.
4674         (convert_arguments): Remove nargs and argarray parameters.  Change
4675         values to a VEC.  Add origtypes parameter.
4676         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4677         (convert_for_assignment): Add origtype parameter.  Change all
4678         callers.  If warn_cxx_compat, check for conversion to an enum
4679         type when calling a function.
4680         (store_init_value): Add origtype parameter.  Change all callers.
4681         (digest_init): Likewise.
4682         (struct init_node): Add origtype field.
4683         (add_pending_init): Add origtype parameter.  Change all callers.
4684         (output_init_element): Likewise.
4685         (output_pending_init_elements): Pass origtype from init_node to
4686         output_init_element.
4687         (process_init_element): Pass origtype from c_expr to
4688         output_init_element.
4689         (c_finish_return): Add origtype parameter.  Change all callers.
4690         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4691         caller.
4692         (sync_resolve_params): Likewise.
4693         (sync_resolve_return): Change params to first_param.  Change caller.
4694         (resolve_overloaded_builtins): Change params to VEC *.  Change
4695         callers.  Save first parameter around call to build_function_call_vec.
4696         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4697         callers.  Call build_function_call_vec rather than
4698         build_function_call for cleanup.
4699         * c-tree.h: Update declarations.
4700         * c-common.h: Update declarations.
4701         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4702         params to first_param.
4703         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4704         params parameter from tree to void *.
4705         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4706         Change arglist parameter to have type void *, and to be a pointer
4707         to a VEC.
4708         * config/rs6000/rs6000-protos.h
4709         (altivec_resolve_overloaded_builtin): Update declaration.
4710         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4711         fnargs parameter to have type void *, and to be a pointer to a
4712         VEC.  Call build_function_call_vec instead of
4713         build_function_call.
4714         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4715
4716 2009-04-20  Joey Ye  <joey.ye@intel.com>
4717             Xuepeng Guo  <xuepeng.guo@intel.com>
4718             H.J. Lu  <hongjiu.lu@intel.com>
4719
4720         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4721
4722         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4723         (IX86_LEA_PRIORITY): Likewise.
4724         (distance_non_agu_define): New function.
4725         (distance_agu_use): Likewise.
4726         (ix86_lea_for_add_ok): Likewise.
4727         (ix86_dep_by_shift_count): Likewise.
4728
4729         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4730         should split for LEA.
4731
4732         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4733         function.
4734         (ix86_dep_by_shift_count): Likewise.
4735
4736 2009-04-20  Richard Guenther  <rguenther@suse.de>
4737
4738         * expr.c (handled_component_p): Move ...
4739         * tree.h (handled_component_p): ... here.
4740         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4741         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4742         and REALPART_EXPR to be in one group.
4743
4744 2009-04-20  Richard Guenther  <rguenther@suse.de>
4745
4746         * basic-block.h (get_all_dominated_blocks): Declare.
4747         * dominance.c (get_all_dominated_blocks): New function.
4748         * tree-cfg.c (get_all_dominated_blocks): Remove.
4749         (remove_edge_and_dominated_blocks): Adjust.
4750         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4751         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4752         instead of recursing.
4753
4754 2009-04-20  Doug Kwan  <dougkwan@google.com>
4755
4756         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4757         (struct cgraph_node_set_def): New type.
4758         (cgraph_node_set) New type. Also declare vector functions.
4759         (struct cgraph_node_set_element_def): New type.
4760         (cgraph_node_set_element): Ditto.
4761         (cgraph_node_set_iterator): New iterator type.
4762         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4763         cgraph_node_set_remove, dump_cgraph_node_set,
4764         debug_cgraph_node_set): New prototypes.
4765         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4766         cgraph_node_set_size): New inlines.
4767         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4768         including cgraph.h.
4769         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4770         argument to function 'write_summary'.
4771         * ipa.c: Include ggc.h.
4772         (hash_cgraph_node_set_element,
4773         eq_cgraph_node_set_element, cgraph_node_set_new,
4774         cgraph_node_set_add, cgraph_node_set_remove,
4775         cgraph_node_set_find, dump_cgraph_node_set,
4776         debug_cgraph_node_set): New functions.
4777         * Makefile.in (ipa.o): Add dependency on GGC_H.
4778
4779 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4780
4781         PR tree-optimization/39675
4782         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4783         check of the return code of vect_schedule_slp. Check that
4784         stmt_vec_info still exists for the statement, before checking its
4785         vectorization type.
4786
4787 2009-04-20  Michael Matz  <matz@suse.de>
4788
4789         * Makefile.in (generated_files): Take out $(simple_generated_c).
4790
4791 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4792
4793         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4794         (UINTPTR_TYPE):  Likewise.
4795
4796 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4797
4798         PR c/37481
4799         * c-typeck.c (digest_init): Check for initializing an array with a
4800         string literal.
4801
4802 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4803
4804         PR c/19771
4805         * c-semantics.c (pop_stmt_list): Propagate
4806         STATEMENT_LIST_HAS_LABEL to parent statement list.
4807
4808 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4809
4810         * config/mips/mips.h (mips_tune_attr): New macro.
4811         * config/mips/mips.md (cpu): Use it.
4812
4813 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4814
4815         PR c/38243
4816         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4817         declaring a tag.
4818
4819 2009-04-19  Diego Novillo  <dnovillo@google.com>
4820
4821         * toplev.c (compile_file): Move call to coverage_finish ...
4822         * cgraphunit.c (ipa_passes): ... here.
4823         Call cgraph_process_new_functions.
4824         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4825         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4826
4827 2009-04-19  Jan Hubicka  <jh@suse.cz>
4828
4829         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4830         cfun.
4831         (dump_cgraph_node): Dump can throw external flag.
4832         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4833
4834 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4835
4836         PR c/32061
4837         PR c++/36954
4838         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4839         * common.opt (Wlogical-op): Move from here...
4840         * c.opt (Wlogical-op): ... to here.
4841         * c-typeck.c (parser_build_binary_op): Update call to
4842         warn_logical_operator.
4843         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4844         extra_warnings.
4845         * c-common.c (warn_logical_op): Update.
4846         * c-common.h (warn_logical_op): Update declaration.
4847
4848 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4849
4850         * tree.c (protected_set_expr_location): Fix formatting.
4851
4852 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4853
4854         PR c/27676
4855         * c-typeck.c (readonly_warning): new.
4856         (build_unary_op, build_modify_expr): Use readonly_warning for
4857         storing into something readonly but not const-qualified.
4858
4859 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4860
4861         PR c/22367
4862         * c-typeck.c (build_unary_op): Check for taking address of
4863         expression of type void.
4864
4865 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4866
4867         PR c/35210
4868         * c-typeck.c (build_function_call): Check for calling a function
4869         with qualified void return types.  Call require_complete_type when
4870         generating a trap.
4871
4872 2009-04-18  Jan Hubicka  <jh@suse.cz>
4873
4874         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4875         Set nothrow flag.
4876         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4877         can_throw_external flag.
4878         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4879         * ipa-pure-const.c (ignore_edge): New function.
4880         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4881         only over can_throw_external edges.
4882         (local_pure_const): Add nothrow flag.
4883         * ipa-utils.c (searchc): Add ignore_edge callback.
4884         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4885         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4886         (set_nothrow_function_flags): Update cgraph.
4887         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4888
4889 2009-04-18  Richard Guenther  <rguenther@suse.de>
4890
4891         PR middle-end/39804
4892         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4893         (fold_stmt): ... this and ...
4894         (fold_stmt_inplace): ... this.
4895         (fold_stmt_1): Fold references in calls and asms.
4896         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4897
4898 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4899
4900         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4901         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4902
4903 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4904
4905         * tree.c (function_args_count): Remove.
4906         * tree.h: Remove the prototype for function_args_count.
4907
4908 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4909
4910         * tree-iterator.c (expr_only): Remove.
4911         * tree.h: Remove the prototype for expr_only.
4912
4913 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4914
4915         * reginfo.c (cannot_change_mode_set_regs): Remove.
4916         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4917
4918 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4919
4920         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4921         whether operands 0 and 1 overlaps.
4922
4923 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4924
4925         PR middle-end/36902
4926         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4927         pointer. Use warning_at instead of warning.
4928         (search_for_addr_array): Likewise.
4929         (check_array_bounds): Likewise.
4930         (check_all_array_refs): Check that the incoming edge is not in the
4931         list of edges to be removed.
4932         (check_all_array_refs): Avoid the temporal pointer.
4933         (vrp_visit_cond_stmt): Fix typo.
4934         (simplify_switch_using_ranges): Handle the case where the switch
4935         index is an integer constant.
4936
4937 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4938
4939         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4940
4941 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4942
4943         * doc/extend.texi, doc/invoke.texi: Fix typos.
4944
4945 2009-04-17  Cary Coutant  <ccoutant@google.com>
4946
4947         * tree-flow-inline.h (get_lineno): Fix inverted test.
4948
4949 2009-04-17  Diego Novillo  <dnovillo@google.com>
4950
4951         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4952         assertion for AVAIL_OUT.
4953
4954 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4955
4956         PR target/38627
4957         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4958         * config/sh/linux-atomic.asm: Likewise.
4959
4960 2009-04-17  Diego Novillo  <dnovillo@google.com>
4961
4962         * except.c (debug_eh_tree): New.
4963         (struct eh_region, struct eh_status): Move ...
4964         * except.h: ... here.
4965         (add_type_for_runtime): Declare extern.
4966         (lookup_type_for_runtime): Likewise.
4967         (debug_eh_tree): Declare.
4968         * Makefile.in (GTFILES): List except.h before except.c
4969
4970 2009-04-17  Diego Novillo  <dnovillo@google.com>
4971
4972         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4973         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4974         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4975         (find_vars_r): ... here.
4976         * tree-flow.h (find_referenced_vars_in): Declare.
4977         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4978         that AVAIL_OUT exists for BLOCK.
4979         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4980         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4981         (tree-parloops.o): Likewise.
4982
4983 2009-04-17  Simon Baldwin  <simonb@google.com>
4984
4985         * toplev.c (default_tree_printer): Add handling for %E format.
4986
4987 2009-04-17  Diego Novillo  <dnovillo@google.com>
4988
4989         * tree-pretty-print.c (dump_generic_node): Add break after
4990         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4991         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4992         FUNCTION_TYPE together.  Call print_struct_decl when printing
4993         structures and TDF_SLIM is not given.
4994         (print_struct_decl): Fix logic for detecting recursion.
4995
4996 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4997
4998         PR 31567
4999         * gcc.c (create_at_file): New.
5000         (compile_input_file_p): New.
5001         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5002         * main.c (main): Update call to toplev_main.
5003         * toplev.c (toplev_main): Change signature. Call expandargv.
5004         * toplev.h (toplev_main): Change signature.
5005
5006 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5007
5008         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5009         if the latter is not constant.
5010
5011 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5012
5013         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5014
5015 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5016
5017         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5018         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5019
5020 2009-04-17  Richard Guenther  <rguenther@suse.de>
5021
5022         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5023         Handle component references view-converting an invariant address.
5024
5025 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5026
5027         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5028         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5029         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5030         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5031         Use @deftypevr rather than @deftypevar.
5032
5033 2009-04-17  Richard Guenther  <rguenther@suse.de>
5034
5035         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5036         (get_prop_source_stmt): Likewise.
5037         (can_propagate_from): Likewise.
5038
5039 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5040
5041         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5042         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5043         (--with-multilib-list): Add default value.
5044         * configure: Regenerate.
5045         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5046         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5047         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5048         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5049         Don't add default cpu to multilib list unnecessarily, but do enable
5050         the relevant compiler option..
5051         Add support for --with-multilib-list=<blank> and
5052         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5053         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5054         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5055         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5056         TM_MULTILIB_CONFIG.
5057         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5058         (MULTILIB_OSDIRNAMES): New variable.
5059         * config/sh/t-1e: Delete file.
5060         * config/sh/t-mlib-sh1: Delete file.
5061         * config/sh/t-mlib-sh2: Delete file.
5062         * config/sh/t-mlib-sh2a: Delete file.
5063         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5064         * config/sh/t-mlib-sh2a-single: Delete file.
5065         * config/sh/t-mlib-sh2a-single-only: Delete file.
5066         * config/sh/t-mlib-sh2e: Delete file.
5067         * config/sh/t-mlib-sh3e: Delete file.
5068         * config/sh/t-mlib-sh4: Delete file.
5069         * config/sh/t-mlib-sh4-nofpu: Delete file.
5070         * config/sh/t-mlib-sh4-single: Delete file.
5071         * config/sh/t-mlib-sh4-single-only: Delete file.
5072         * config/sh/t-mlib-sh4a: Delete file.
5073         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5074         * config/sh/t-mlib-sh4a-single: Delete file.
5075         * config/sh/t-mlib-sh4a-single-only: Delete file.
5076         * config/sh/t-mlib-sh4al: Delete file.
5077         * config/sh/t-mlib-sh5-32media: Delete file.
5078         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5079         * config/sh/t-mlib-sh5-64media: Delete file.
5080         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5081         * config/sh/t-mlib-sh5-compact: Delete file.
5082         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5083         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5084         * doc/install.texi (Options specification): Add
5085         --with-multilib-list and --with-endian.
5086
5087 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5088
5089         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5090         REVISION_c.
5091         (OBJS-common): Add plugin-version.o.
5092         (plugin-version.o): New.
5093         * gcc-plugin.h (plugin_gcc_version): New.
5094         (plugin_default_version_check): New.
5095         (plugin_init_func, plugin_init): Add version argument.
5096         * plugin-version.c: New.
5097         * plugin.c (str_plugin_gcc_version_name): New.
5098         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5099         pass it to the init function.
5100         (plugin_default_version_check): New.
5101
5102 2009-04-17  Richard Guenther  <rguenther@suse.de>
5103
5104         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5105         for decl-vs-decl disambiguation.
5106
5107 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5108
5109         * config/s390/s390.h (s390_tune_attr): New macro definition.
5110         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5111
5112 2009-04-17  Richard Guenther  <rguenther@suse.de>
5113
5114         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5115         (fold_stmt_r): Likewise.
5116         (maybe_fold_reference): New function.
5117         (fold_gimple_assign): Handle cases fold_stmt_r did.
5118         (fold_stmt): Do not use fold_stmt_r.
5119         (fold_stmt_inplace): Likewise.
5120
5121 2009-04-17  Richard Guenther  <rguenther@suse.de>
5122
5123         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5124         (record_equivalences_from_stmt): Remove useless checks and
5125         simplifications.
5126         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5127         the type is already suitable.
5128
5129 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5130
5131         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5132
5133 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5134
5135         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5136         (CMPtype): Define as __gcc_CMPtype.
5137
5138 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5139
5140         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5141         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5142
5143 2009-04-17  Richard Guenther  <rguenther@suse.de>
5144
5145         PR tree-optimization/39746
5146         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5147         special-casing for builtins and static variable use/def.
5148         (call_may_clobber_ref_p_1): Likewise.
5149
5150 2009-04-16  Ian Lance Taylor  <iant@google.com>
5151
5152         * df.h: Include "timevar.h".
5153         (struct df_problem): Change tv_id field to timevar_id_t.
5154         * tree-pass.h: Include "timevar.h".
5155         (struct opt_pass): Change tv_id field to timevar_id_t.
5156         * timevar.h (timevar_id_t): Define TV_NONE.
5157         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5158         TV_NONE rather than tv_id != 0.
5159         (execute_one_pass): Likewise.
5160         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5161         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5162         dependencies to $(TREE_PASS_H).
5163         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5164         to TV_NONE.
5165         (pass_branch_target_load_optimize2): Likewise.
5166         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5167         (pass_outof_cfg_layout_mode): Likewise.
5168         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5169         (pass_rebuild_cgraph_edges): Likewise.
5170         (pass_remove_cgraph_callee_edges): Likewise.
5171         * df-core.c (pass_df_initialize_opt): Likewise.
5172         (pass_df_initialize_no_opt): Likewise.
5173         (pass_df_finish): Likewise.
5174         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5175         * except.c (pass_set_nothrow_function_flags): Likewise.
5176         (pass_convert_to_eh_region_ranges): Likewise.
5177         * final.c (pass_compute_alignments): Likewise.
5178         * function.c (pass_instantiate_virtual_regs): Likewise.
5179         (pass_init_function): Likewise.
5180         (pass_leaf_regs): Likewise.
5181         (pass_match_asm_constraints): Likewise.
5182         * gimple-low.c (pass_lower_cf): Likewise.
5183         (pass_mark_used_blocks): Likewise.
5184         * init-regs.c (pass_initialize_regs): Likewise.
5185         * integrate.c (pass_initial_value_sets): Likewise.
5186         * ira.c (pass_ira): Likewise.
5187         * jump.c (pass_cleanup_barriers): Likewise.
5188         * omp-low.c (pass_expand_omp): Likewise.
5189         (pass_lower_omp): Likewise.
5190         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5191         * recog.c (pass_split_all_insns): Likewise.
5192         (pass_split_after_reload): Likewise.
5193         (pass_split_before_regstack): Likewise.
5194         (pass_split_before_sched2): Likewise.
5195         (pass_split_for_shorten_branches): Likewise.
5196         * reginfo.c (pass_reginfo_init): Likewise.
5197         (pass_subregs_of_mode_init): Likewise.
5198         (pass_subregs_of_mode_finish): Likewise.
5199         * passes.c (pass_postreload): Likewise.
5200         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5201         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5202         (pass_warn_function_return): Likewise.
5203         (pass_warn_function_noreturn): Likewise.
5204         * tree-complex.c (pass_lower_complex): Likewise.
5205         (pass_lower_complex_O0): Likewise.
5206         * tree-if-conv.c (pass_if_conversion): Likewise.
5207         * tree-into-ssa.c (pass_build_ssa): Likewise.
5208         * tree-mudflap.c (pass_mudflap_1): Likewise.
5209         (pass_mudflap_2): Likewise.
5210         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5211         (pass_mudflap_2): Likewise.
5212         * tree-nrv.c (pass_return_slot): Likewise.
5213         * tree-object-size.c (pass_object_sizes): Likewise.
5214         * tree-optimize.c (pass_all_optimizations): Likewise.
5215         (pass_early_local_passes): Likewise.
5216         (pass_all_early_optimizations): Likewise.
5217         (pass_cleanup_cfg): Likewise.
5218         (pass_cleanup_cfg_post_optimizing): Likewise.
5219         (pass_free_datastructures): Likewise.
5220         (pass_free_cfg_annotations): Likewise.
5221         (pass_fixup_cfg): Likewise.
5222         (pass_init_datastructures): Likewise.
5223         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5224         (pass_late_warn_uninitialized): Likewise.
5225         (pass_update_address_taken): Likewise.
5226         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5227         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5228         (pass_cse_sincos): Likewise.
5229         (pass_convert_to_rsqrt): Likewise.
5230         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5231         * tree-stdarg.c (pass_stdarg): Likewise.
5232         * tree-tailcall.c (pass_tail_recursion): Likewise.
5233         (pass_tail_calls): Likewise.
5234         * tree-vect-generic.c (pass_lower_vector): Likewise.
5235         (pass_lower_vector_ssa): Likewise.
5236         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5237
5238 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5239
5240         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5241         XLR entry.
5242         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5243         Handle -march=xlr.
5244         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5245         logical and signext.
5246
5247 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5248
5249         PR target/39767
5250         * config/sh/predicates.md (arith_operand): Check if the operand
5251         of TRUNCATE is a REG.
5252
5253 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5254
5255         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5256         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5257
5258 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5259
5260         * tree-iterator.c (tsi_split_statement_list_after,
5261         tsi_split_statement_list_before): Remove.
5262         * tree-iterator.h: Remove the prototypes for
5263         tsi_split_statement_list_after and tsi_split_statement_list_before.
5264
5265 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5266
5267         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5268         * tree-ssa-propagate.h: Remove the prototype for
5269         stmt_makes_single_load.
5270
5271 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5272
5273         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5274         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5275
5276 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5277
5278         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5279
5280 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5281
5282         * except.c (eh_region_outer_p): Remove.
5283         * except.h: Remove the prototype for eh_region_outer_p.
5284
5285 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5286
5287         * function.c (current_function_assembler_name): Remove.
5288         * function.h: Remove the prototype for
5289         current_function_assembler_name.
5290
5291 2009-04-16  Ian Lance Taylor  <iant@google.com>
5292
5293         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5294         (add_reg_note): Call alloc_reg_note.
5295         * rtl.h (alloc_reg_note): Declare.
5296         * combine.c (try_combine): Use alloc_reg_note.
5297         (recog_for_combine, move_deaths): Likewise.
5298         (distribute_notes): Use alloc_reg_note and add_reg_note.
5299         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5300         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5301         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5302
5303 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5304
5305         PR rtl-optimization/39762
5306         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5307         ira_may_move_out_cost): Add comments about way of their usage.
5308         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5309
5310         * ira-conflicts.c (process_regs_for_copy): Use function
5311         ira_get_register_move_cost instead of global
5312         ira_register_move_cost.
5313
5314         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5315         color_pass, move_spill_restore, update_curr_costs): Ditto.
5316
5317         * ira-lives.c (process_single_reg_class_operands): Ditto.
5318
5319         * ira-emit.c (emit_move_list): Ditto.
5320
5321         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5322         (record_reg_classes): Ditto.  Use functions
5323         ira_get_register_move_cost and ira_get_may_move_cost instead of
5324         global vars ira_register_move_cost, ira_may_move_out_cost and
5325         ira_may_move_in_cost.
5326         (record_address_regs): Don't call ira_init_register_move_cost.
5327         Use function ira_get_may_move_cost instead of global
5328         ira_may_move_in_cost.
5329         (process_bb_node_for_hard_reg_moves): Use function
5330         ira_get_register_move_cost instead of global ira_register_move_cost.
5331         (ira_costs): Don't call ira_init_register_move_cost.
5332
5333 2009-04-16  Richard Guenther  <rguenther@suse.de>
5334
5335         * tree-cfg.c (verify_gimple_assign_binary):
5336         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5337         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5338         (create_general_new_stmt): Note that this function is broken.
5339
5340 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5341
5342         * common.opt (fhelp): Add Var(help_flag).
5343         * gcc-plugin.h (plugin_info): Add help.
5344         * plugin.c (plugin_name_args): Add help.
5345         (register_plugin_info): Set plugin->help.
5346         (print_help_one_plugin): New.
5347         (print_plugins_help): New.
5348         * plugin.h (print_plugins_help): New.
5349         * toplev.c (toplev_main): Call print_plugins_help if needed.
5350
5351 2009-04-16  Richard Guenther  <rguenther@suse.de>
5352
5353         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5354         (gimple_ior_addresses_taken_1): New function.
5355         (gimple_ior_addresses_taken): Likewise.
5356         * gimple.h (struct gimple_statement_with_ops_base): Remove
5357         addresses_taken member.
5358         (gimple_ior_addresses_taken): Declare.
5359         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5360         gimple_set_addresses_taken): Remove.
5361         * ipa-reference.c (mark_address): New function.
5362         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5363         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5364         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5365         (gimple_add_to_addresses_taken): Remove.
5366         (get_tmr_operands): Call mark_address_taken.
5367         (get_asm_expr_operands): Likewise.
5368         (get_expr_operands): Likewise.
5369         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5370         (free_stmt_operands): Do not free it.
5371         * tree-ssa.c (delete_tree_ssa): Likewise.
5372         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5373
5374 2009-04-16  Richard Guenther  <rguenther@suse.de>
5375
5376         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5377         (walk_stmt_load_store_ops): Likewise.
5378         * gimple.c (get_base_loadstore): New function.
5379         (walk_stmt_load_store_addr_ops): Likewise.
5380         (walk_stmt_load_store_ops): Likewise.
5381         * ipa-pure-const.c (check_op): Simplify.
5382         (check_load, check_store): New functions.
5383         (check_stmt): Use walk_stmt_load_store_ops.
5384         * ipa-reference.c (mark_load): Adjust signature.
5385         (mark_store): Likewise.
5386         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5387
5388 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5389
5390         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5391         (plugin_info): New.
5392         * opts.c (common_handle_option): Don't call print_version.
5393         * plugin.c (plugin_name_args): Add version.
5394         (register_plugin_info): New.
5395         (register_callback): Handle PLUGIN_INFO.
5396         (try_init_one_plugin): New.
5397         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5398         if failed to init.
5399         (finalize_one_plugin): New.
5400         (finalize_plugins): New.
5401         (print_one_plugin): New.
5402         (print_plugins_versions): New.
5403         * plugin.h (print_plugins_versions): New.
5404         (finalize_plugins): New.
5405         * toplev.c (compile_file): Don't call initialize_plugins.
5406         (print_version): Call print_plugins_versions.
5407         (toplev_main): Call initialize_plugins. Print version if needed.
5408         Call finalize_plugins.
5409
5410 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5411
5412         * common.opt (fversion): New.
5413         * gcc.c (print_version): New.
5414         (process_command): Don't print the version. Just set print_version.
5415         (main): Print version. Call subprocesses if print_version and
5416         verbose_flag are set.
5417         * opts.c (common_handle_option): Handle OPT_fversion.
5418
5419 2009-04-16  Richard Guenther  <rguenther@suse.de>
5420             Ira Rosen  <irar@il.ibm.com>
5421
5422         PR tree-optimization/39698
5423         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5424         type of the reduction variable.  Only generate the def if
5425         it is needed.
5426
5427         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5428         make sure to first convert to an integer of the same precision.
5429         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5430         the type of the evolution correctly in computing the new
5431         induction variable base.
5432
5433 2009-04-16  Richard Guenther  <rguenther@suse.de>
5434
5435         PR middle-end/39625
5436         * tree-cfg.c (make_blocks): Split statements with to-be
5437         abnormal SSA names on the lhs.
5438
5439 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5440
5441         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5442         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5443         * c-typeck.c (really_start_incremental_init): Likewise.
5444         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5445         (TARGET_INITIALIZER): Remove it.
5446         * target.h (struct target): Remove vector_opaque_p.
5447         * tree.c (build_opaque_vector_type): New.
5448         * tree.h (TYPE_VECTOR_OPAQUE): New.
5449         (build_opaque_vector_type): Declare.
5450         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5451         * config/rs6000/rs6000.c (build_opaque_vector_type,
5452         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5453         (rs6000_init_builtins): Use build_opaque_vector_type for
5454         opaque_V4SI_type_node.
5455
5456 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5457
5458         * debug.h (set_name):  Declare.
5459         * dwarf2out.c (dwarf2out_set_name): Declare.
5460         (dwarf2_debug_hooks): Add set_name.
5461         (find_AT_string): New.
5462         (add_AT_string): Call find_AT_string.
5463         (dwarf2out_set_name): New.
5464         * cp/decl.c (grokdeclarator): Call set_name.
5465         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5466         * debug.c (do_nothing_debug_hooks):  Likewise.
5467         * dbxout.c (dbx_debug_hooks): Likewise.
5468         * sdbout.c (sdb_debug_hooks): Likewise.
5469
5470 2009-04-15  Michael Eager  <eager@eagercon.com>
5471
5472         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5473         reg for single-precision FPU.
5474         * config/rs6000/rs6000.md (movsi_internal1): Only for
5475         !TARGET_SINGLE_FPU.
5476         (movsi_internal1_single): New. Add pattern to move SI values to/from
5477         single-precision FP regs.
5478
5479 2009-04-15  Richard Guenther  <rguenther@suse.de>
5480
5481         * omp-low.c (lower_rec_input_clauses): Build correct address
5482         expressions.
5483         (expand_omp_for_generic): Fix multiplication type.
5484         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5485         (generate_memset_zero): Fix types.
5486         * tree-profile.c (prepare_instrumented_value): Correctly
5487         widen a pointer.
5488
5489 2009-04-15  Ian Lance Taylor  <iant@google.com>
5490
5491         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5492         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5493         for -Wall and for -Wc++-compat.
5494         (c_common_post_options): For C++, set warn_enum_compare if not
5495         already set.
5496         * c-tree.h (struct c_expr): Add field original_type.
5497         (build_external_ref): Update declaration.
5498         * c-parser.c (c_parser_braced_init): Set original_type.
5499         (c_parser_initelt): Likewise.
5500         (c_parser_expr_no_commas): Likewise.
5501         (c_parser_conditional_expression): Likewise.
5502         (c_parser_cast_expression): Likewise.
5503         (c_parser_unary_expression): Likewise.  Pull setting of
5504         original_code to top of function.
5505         (c_parser_sizeof_expression): Set original_type.
5506         (c_parser_alignof_expression): Likewise.
5507         (c_parser_postfix_expression): Likewise.  Pull setting of
5508         original_code to top of function.
5509         (c_parser_postfix_expression_after_paren_type): Set original_type.
5510         (c_parser_postfix_expression_after_primary): Likewise.
5511         (c_parser_expression): Likewise.
5512         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5513         callers.
5514         (c_expr_sizeof_expr): Set original_type field.
5515         (parser_build_unary_op): Likewise.
5516         (parser_build_binary_op): Likewise.  Optionally warn about
5517         comparisons of enums of different types.
5518         (digest_init): Set original_type field.
5519         (really_start_incremental_init): Likewise.
5520         (push_init_level, pop_init_level): Likewise.
5521         * doc/invoke.texi (Warning Options): -Wenum-compare now
5522         supported in C.
5523
5524 2009-04-15  Richard Guenther  <rguenther@suse.de>
5525
5526         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5527         out a necessary conversion.
5528         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5529         names we didn't value number.
5530         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5531
5532 2009-04-15  Richard Guenther  <rguenther@suse.de>
5533
5534         PR tree-optimization/39764
5535         * tree-ssa-ccp.c (get_value): Canonicalize value with
5536         canonicalize_float_value.
5537
5538 2009-04-15  Jan Hubicka  <jh@suse.cz>
5539
5540         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5541         Wrong version of patch.
5542
5543 2009-04-15  Jan Hubicka  <jh@suse.cz>
5544
5545         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5546
5547 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5548
5549         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5550         our distinct integral and vector types.
5551
5552 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5553
5554         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5555         * init.c (build_vtbl_address): Remove call to assemble_external.
5556
5557 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5558
5559         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5560         output for other floating point modes.
5561
5562 2009-04-14  Diego Novillo  <dnovillo@google.com>
5563
5564         * diagnostic.c (diagnostic_report_diagnostic): Do not
5565         warn about loaded plugins for DK_ERROR and DK_WARNING.
5566         * c-decl.c (declspecs_add_type): Move call to
5567         invoke_plugin_callbacks ...
5568         * c-parser.c (c_parser_declspecs): ... here.
5569         * plugin.c (dump_active_plugins): Tidy output.
5570
5571 2009-04-14  Diego Novillo  <dnovillo@google.com>
5572             Le-Chun Wu  <lcwu@google.com>
5573
5574         * configure.ac: Add --enable-plugin support.
5575         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5576         * Makefile.in (PLUGIN_H): Define.
5577         Export ENABLE_PLUGIN and GMPINC to site.exp.
5578         Add PLUGINLIBS to link command.
5579         Add/modify dependencies for plugin.o and files including plugin.h.
5580         (plugin.o): New.
5581         * config.in: Regenerate.
5582
5583         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5584         OPT_fplugin_arg_.
5585
5586 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5587
5588         * tree-pass.h (register_one_dump_file): Add a prototype for
5589         register_one_dump_file.
5590         * toplev.c (compile_file): Call initialize_plugins.
5591         (do_compile): Call invoke_plugin_callbacks.
5592         (toplev_main): Call invoke_plugin_callbacks.
5593         * common.opt: Add -fplugin= and -fplugin-arg-.
5594         * gcc-plugin.h: New public header file for plugins to include.
5595         * plugin.c: New source file.
5596         * plugin.h: New internal header file.
5597         * passes.c (register_one_dump_file): Make it external.
5598
5599         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5600
5601 2009-04-14  Diego Novillo  <dnovillo@google.com>
5602
5603         * doc/plugins.texi: New.
5604         * doc/gccint.texi: Add reference to Plugins chapter.
5605         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5606         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5607         loaded plugins, if any.
5608         * timevar.def (TV_PLUGIN_INIT): Define.
5609         (TV_PLUGIN_RUN): Define.
5610         * plugin.c: Include timevar.h
5611         (plugins_active_p): New.
5612         (dump_active_plugins): New.
5613         (debug_active_plugins): New.
5614
5615 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5616
5617         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5618         library paths.
5619         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5620
5621 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5622
5623         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5624         the same as a minus without a shift.
5625
5626 2009-04-14  Nick Clifton  <nickc@redhat.com>
5627
5628         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5629         comparisons with small integers will always produce a short
5630         branch.
5631
5632 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5633
5634         Merge:
5635         2008-12-19  Diego Novillo  <dnovillo@google.com>
5636
5637         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5638
5639 2009-04-14  Richard Guenther  <rguenther@suse.de>
5640
5641         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5642         verification.
5643         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5644         rotates correctly.
5645         (verify_gimple_phi): Print the mismatched argument position.
5646         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5647         Fix types.
5648         (vect_update_init_of_dr): Likewise.
5649         * matrix-reorg.c (transform_access_sites): Do what the
5650         comment suggests.
5651         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5652
5653 2009-04-13  Michael Eager  <eager@eagercon.com>
5654
5655         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5656         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5657         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5658         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5659         remove duplicate config
5660
5661 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5662
5663         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5664         file_name:line_number type locator of the call site.
5665
5666 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5667
5668         * genautomata.c: Put blank after comma.
5669         (automaton_decls): New.
5670         (struct unit_usage): Add comments to member next.
5671         (store_alt_unit_usage): Keep the list ordered.
5672         (unit_present_on_list_p, equal_alternatives_p): New.
5673         (check_regexp_units_distribution): Check units distribution
5674         correctness correctly.
5675         (main): Don't write automata if error is found.  Return correct
5676         exit code.
5677
5678         * config/m68k/cf.md (cfv4_ds): Remove.
5679         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5680         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5681
5682         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5683         power4-load-ext, power4-store, power4-store-update,
5684         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5685         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5686         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5687         power4-sqrt, power4-isync): Modify reservation to make correct
5688         unit distribution to automata.
5689
5690         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5691         power5-store-update, power5-two, power5-three, power5-lmul,
5692         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5693
5694 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5695
5696         * except.c (pass_set_nothrow_function_flags): Set name and add
5697         TODO_dump_func.
5698         (set_nothrow_function_flags): Mention in the dump file when
5699         changing a function to nothrow.
5700
5701 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5702
5703         PR/39066
5704         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5705         instead of unsigned long.
5706
5707 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5708
5709         * config/arm/arm.c (return_used_this_function): Remove.
5710         (arm_output_function_prologue): Remove use of
5711         return_used_this_function.
5712         (output_return_instruction): Replace use of
5713         return_used_this_function
5714         by cfun->machine->return_used_this_function.
5715         (arm_output_epilogue): Likewise.
5716         (arm_output_function_epilogue): Likewise.
5717         (thumb_unexpanded_epilogue): Likewise.
5718         * config/arm/arm.h (struct machine_function):
5719         New member return_used_this_function.
5720
5721 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5722
5723         * doc/install.texi: Correct description of default directory for
5724         --with-gxx-include-dir.
5725
5726 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5727
5728         * fold-const.c (build_range_check): Properly deal with enumeral and
5729         boolean base types.
5730
5731 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5732
5733         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5734         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5735         * params.h (MAX_GCSE_PASSES): Remove.
5736         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5737         in sequence.  Remove ability to run multiple passes.
5738         (bypass_jumps): Report run as third CPROP pass.
5739
5740 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5741
5742         PR middle-end/39651
5743         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5744         when deciding whether the whole SEQUENCE can throw.
5745
5746 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5747
5748         PR target/39740
5749         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5750         offseted label references.
5751
5752 2009-04-11  Jan Hubicka  <jh@suse.cz>
5753
5754         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5755
5756 2009-04-11  Richard Guenther  <rguenther@suse.de>
5757
5758         PR middle-end/39732
5759         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5760         return variables as TREE_ADDRESSABLE.
5761
5762 2009-04-11  Richard Guenther  <rguenther@suse.de>
5763
5764         PR tree-optimization/39713
5765         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5766         reference trees have SSA_NAME operands.
5767
5768 2009-04-11  Richard Guenther  <rguenther@suse.de>
5769
5770         PR c/39712
5771         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5772         address expressions.
5773
5774 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5775
5776         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5777         match changes in Cygwin 1.7
5778         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5779         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5780
5781 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5782
5783         PR tree-optimization/39701
5784         * doc/invoke.texi (Optimization Options): Document change in
5785         meaning and initialization of -fdelete-null-pointer-checks.
5786
5787 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5788
5789         PR middle-end/39701
5790         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5791
5792         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5793         here.
5794
5795         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5796
5797 2009-04-10  Chao-ying Fu  <fu@mips.com>
5798
5799         * doc/tm.texi (Instruction Output): Document
5800         TARGET_ASM_FINAL_POSTSCAN_INSN.
5801         * target.h (final_postscan_insn): New field in asm_out.
5802         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5803         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5804         * final.c (final_scan_insn): Call
5805         targetm.asm_out.final_postscan_insn after outputting
5806         an asm macro and a normal instruction.
5807
5808         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5809         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5810         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5811         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5812         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5813
5814 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5815
5816         PR middle-end/39701
5817         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5818         variables as non-NULL even with -fdelete-null-pointer-checks.
5819
5820 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5821
5822         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5823
5824 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5825
5826         PR target/39678
5827         * config/i386/i386.c (classify_argument): Handle SCmode with
5828         (bit_offset % 64) != 0.
5829
5830 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5831
5832         * doc/invoke.texi (Optimize Options): Add cross-reference to
5833         -Q --help=optimizers examples.
5834
5835 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5836
5837         PR target/36800
5838         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5839         regalign for the reg == fpr and TDmode case.
5840
5841 2009-04-09  David Ayers  <ayers@fsfe.org>
5842
5843         PR objc/29200
5844         * objc/objc-act.c (warn_with_method): Remove helper function.
5845         (check_duplicates): Call warning and inform directly.
5846         (really_start_method): Likewise.
5847
5848 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5849
5850         * expmed.c (expand_divmod): Always use a comparison for a division
5851         by a large unsigned integer.
5852
5853         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5854         for things others than variables or functions as nonzero.
5855
5856 2009-04-09  Nick Clifton  <nickc@redhat.com>
5857
5858         * unwind-compat.c: Change copyright header to refer to version
5859         3 of the GNU General Public License with version 3.1 of the
5860         GCC Runtime Library Exception and to point readers at the
5861         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5862         * config/alpha/crtfastmath.c: Likewise.
5863         * config/alpha/linux-unwind.h: Likewise.
5864         * config/alpha/qrnnd.asm: Likewise.
5865         * config/alpha/vms-crt0-64.c: Likewise.
5866         * config/alpha/vms-crt0.c: Likewise.
5867         * config/alpha/vms-dwarf2.asm: Likewise.
5868         * config/alpha/vms-dwarf2eh.asm: Likewise.
5869         * config/alpha/vms-psxcrt0-64.c: Likewise.
5870         * config/alpha/vms-psxcrt0.c: Likewise.
5871         * config/alpha/vms_tramp.asm: Likewise.
5872         * config/arc/initfini.c: Likewise.
5873         * config/arc/lib1funcs.asm: Likewise.
5874         * config/arm/bpabi-v6m.S: Likewise.
5875         * config/arm/bpabi.S: Likewise.
5876         * config/arm/bpabi.c: Likewise.
5877         * config/arm/crti.asm: Likewise.
5878         * config/arm/crtn.asm: Likewise.
5879         * config/arm/ieee754-df.S: Likewise.
5880         * config/arm/ieee754-sf.S: Likewise.
5881         * config/arm/lib1funcs.asm: Likewise.
5882         * config/arm/libunwind.S: Likewise.
5883         * config/arm/linux-atomic.c: Likewise.
5884         * config/arm/mmintrin.h: Likewise.
5885         * config/arm/pr-support.c: Likewise.
5886         * config/arm/unaligned-funcs.c: Likewise.
5887         * config/arm/unwind-arm.c: Likewise.
5888         * config/arm/unwind-arm.h: Likewise.
5889         * config/avr/libgcc.S: Likewise.
5890         * config/bfin/crti.s: Likewise.
5891         * config/bfin/crtlibid.s: Likewise.
5892         * config/bfin/crtn.s: Likewise.
5893         * config/bfin/lib1funcs.asm: Likewise.
5894         * config/bfin/linux-unwind.h: Likewise.
5895         * config/cris/arit.c: Likewise.
5896         * config/cris/cris_abi_symbol.c: Likewise.
5897         * config/darwin-64.c: Likewise.
5898         * config/darwin-crt2.c: Likewise.
5899         * config/darwin-crt3.c: Likewise.
5900         * config/darwin.h: Likewise.
5901         * config/dbxelf.h: Likewise.
5902         * config/dfp-bit.c: Likewise.
5903         * config/dfp-bit.h: Likewise.
5904         * config/elfos.h: Likewise.
5905         * config/fixed-bit.c: Likewise.
5906         * config/fixed-bit.h: Likewise.
5907         * config/fp-bit.c: Likewise.
5908         * config/fp-bit.h: Likewise.
5909         * config/fr30/crti.asm: Likewise.
5910         * config/fr30/crtn.asm: Likewise.
5911         * config/fr30/lib1funcs.asm: Likewise.
5912         * config/freebsd-spec.h: Likewise.
5913         * config/frv/cmovd.c: Likewise.
5914         * config/frv/cmovh.c: Likewise.
5915         * config/frv/cmovw.c: Likewise.
5916         * config/frv/frvbegin.c: Likewise.
5917         * config/frv/frvend.c: Likewise.
5918         * config/frv/lib1funcs.asm: Likewise.
5919         * config/glibc-stdint.h: Likewise.
5920         * config/h8300/clzhi2.c: Likewise.
5921         * config/h8300/crti.asm: Likewise.
5922         * config/h8300/crtn.asm: Likewise.
5923         * config/h8300/ctzhi2.c: Likewise.
5924         * config/h8300/fixunssfsi.c: Likewise.
5925         * config/h8300/lib1funcs.asm: Likewise.
5926         * config/h8300/parityhi2.c: Likewise.
5927         * config/h8300/popcounthi2.c: Likewise.
5928         * config/i386/ammintrin.h: Likewise.
5929         * config/i386/att.h: Likewise.
5930         * config/i386/avxintrin.h: Likewise.
5931         * config/i386/biarch64.h: Likewise.
5932         * config/i386/bmmintrin.h: Likewise.
5933         * config/i386/cpuid.h: Likewise.
5934         * config/i386/cross-stdarg.h: Likewise.
5935         * config/i386/crtfastmath.c: Likewise.
5936         * config/i386/crtprec.c: Likewise.
5937         * config/i386/cygming-crtbegin.c: Likewise.
5938         * config/i386/cygming-crtend.c: Likewise.
5939         * config/i386/cygwin.asm: Likewise.
5940         * config/i386/emmintrin.h: Likewise.
5941         * config/i386/gmm_malloc.h: Likewise.
5942         * config/i386/gthr-win32.c: Likewise.
5943         * config/i386/i386.h: Likewise.
5944         * config/i386/immintrin.h: Likewise.
5945         * config/i386/linux-unwind.h: Likewise.
5946         * config/i386/linux64.h: Likewise.
5947         * config/i386/mm3dnow.h: Likewise.
5948         * config/i386/mmintrin-common.h: Likewise.
5949         * config/i386/mmintrin.h: Likewise.
5950         * config/i386/nmmintrin.h: Likewise.
5951         * config/i386/pmm_malloc.h: Likewise.
5952         * config/i386/pmmintrin.h: Likewise.
5953         * config/i386/smmintrin.h: Likewise.
5954         * config/i386/sol2-c1.asm: Likewise.
5955         * config/i386/sol2-ci.asm: Likewise.
5956         * config/i386/sol2-cn.asm: Likewise.
5957         * config/i386/sol2-gc1.asm: Likewise.
5958         * config/i386/tmmintrin.h: Likewise.
5959         * config/i386/unix.h: Likewise.
5960         * config/i386/w32-unwind.h: Likewise.
5961         * config/i386/wmmintrin.h: Likewise.
5962         * config/i386/x86-64.h: Likewise.
5963         * config/i386/x86intrin.h: Likewise.
5964         * config/i386/xmmintrin.h: Likewise.
5965         * config/ia64/crtbegin.asm: Likewise.
5966         * config/ia64/crtend.asm: Likewise.
5967         * config/ia64/crtfastmath.c: Likewise.
5968         * config/ia64/crti.asm: Likewise.
5969         * config/ia64/crtn.asm: Likewise.
5970         * config/ia64/fde-glibc.c: Likewise.
5971         * config/ia64/lib1funcs.asm: Likewise.
5972         * config/ia64/linux-unwind.h: Likewise.
5973         * config/ia64/quadlib.c: Likewise.
5974         * config/ia64/unwind-ia64.c: Likewise.
5975         * config/linux.h: Likewise.
5976         * config/m32c/m32c-lib1.S: Likewise.
5977         * config/m32c/m32c-lib2-trapv.c: Likewise.
5978         * config/m32c/m32c-lib2.c: Likewise.
5979         * config/m32r/initfini.c: Likewise.
5980         * config/m68hc11/larith.asm: Likewise.
5981         * config/m68hc11/m68hc11-crt0.S: Likewise.
5982         * config/m68k/cf.md: Likewise.
5983         * config/m68k/crti.s: Likewise.
5984         * config/m68k/crtn.s: Likewise.
5985         * config/m68k/lb1sf68.asm: Likewise.
5986         * config/m68k/linux-unwind.h: Likewise.
5987         * config/mcore/crti.asm: Likewise.
5988         * config/mcore/crtn.asm: Likewise.
5989         * config/mcore/lib1.asm: Likewise.
5990         * config/mips/linux-unwind.h: Likewise.
5991         * config/mips/loongson.h: Likewise.
5992         * config/mips/mips16.S: Likewise.
5993         * config/mmix/crti.asm: Likewise.
5994         * config/mmix/crtn.asm: Likewise.
5995         * config/pa/fptr.c: Likewise.
5996         * config/pa/hpux-unwind.h: Likewise.
5997         * config/pa/lib2funcs.asm: Likewise.
5998         * config/pa/linux-atomic.c: Likewise.
5999         * config/pa/linux-unwind.h: Likewise.
6000         * config/pa/milli64.S: Likewise.
6001         * config/pa/quadlib.c: Likewise.
6002         * config/pa/stublib.c: Likewise.
6003         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6004         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6005         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6006         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6007         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6008         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6009         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6010         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6011         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6012         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6013         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6014         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6015         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6016         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6017         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6018         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6019         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6020         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6021         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6022         * config/rs6000/750cl.h: Likewise.
6023         * config/rs6000/altivec.h: Likewise.
6024         * config/rs6000/biarch64.h: Likewise.
6025         * config/rs6000/crtresfpr.asm: Likewise.
6026         * config/rs6000/crtresgpr.asm: Likewise.
6027         * config/rs6000/crtresxfpr.asm: Likewise.
6028         * config/rs6000/crtresxgpr.asm: Likewise.
6029         * config/rs6000/crtsavfpr.asm: Likewise.
6030         * config/rs6000/crtsavgpr.asm: Likewise.
6031         * config/rs6000/darwin-asm.h: Likewise.
6032         * config/rs6000/darwin-fallback.c: Likewise.
6033         * config/rs6000/darwin-fpsave.asm: Likewise.
6034         * config/rs6000/darwin-ldouble.c: Likewise.
6035         * config/rs6000/darwin-tramp.asm: Likewise.
6036         * config/rs6000/darwin-unwind.h: Likewise.
6037         * config/rs6000/darwin-vecsave.asm: Likewise.
6038         * config/rs6000/darwin-world.asm: Likewise.
6039         * config/rs6000/e500crtres32gpr.asm: Likewise.
6040         * config/rs6000/e500crtres64gpr.asm: Likewise.
6041         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6042         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6043         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6044         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6045         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6046         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6047         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6048         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6049         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6050         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6051         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6052         * config/rs6000/eabi-ci.asm: Likewise.
6053         * config/rs6000/eabi-cn.asm: Likewise.
6054         * config/rs6000/eabi.asm: Likewise.
6055         * config/rs6000/linux-unwind.h: Likewise.
6056         * config/rs6000/linux64.h: Likewise.
6057         * config/rs6000/paired.h: Likewise.
6058         * config/rs6000/paired.md: Likewise.
6059         * config/rs6000/ppc64-fp.c: Likewise.
6060         * config/rs6000/ppu_intrinsics.h: Likewise.
6061         * config/rs6000/rs6000.h: Likewise.
6062         * config/rs6000/si2vmx.h: Likewise.
6063         * config/rs6000/sol-ci.asm: Likewise.
6064         * config/rs6000/sol-cn.asm: Likewise.
6065         * config/rs6000/spe.h: Likewise.
6066         * config/rs6000/spu2vmx.h: Likewise.
6067         * config/rs6000/sysv4.h: Likewise.
6068         * config/rs6000/tramp.asm: Likewise.
6069         * config/rs6000/vec_types.h: Likewise.
6070         * config/s390/linux-unwind.h: Likewise.
6071         * config/s390/tpf-unwind.h: Likewise.
6072         * config/score/crti.asm: Likewise.
6073         * config/score/crtn.asm: Likewise.
6074         * config/sh/crt1.asm: Likewise.
6075         * config/sh/crti.asm: Likewise.
6076         * config/sh/crtn.asm: Likewise.
6077         * config/sh/divtab-sh4-300.c: Likewise.
6078         * config/sh/divtab-sh4.c: Likewise.
6079         * config/sh/divtab.c: Likewise.
6080         * config/sh/lib1funcs-4-300.asm: Likewise.
6081         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6082         * config/sh/lib1funcs.asm: Likewise.
6083         * config/sh/lib1funcs.h: Likewise.
6084         * config/sh/linux-atomic.asm: Likewise.
6085         * config/sh/linux-unwind.h: Likewise.
6086         * config/sh/shmedia.h: Likewise.
6087         * config/sh/sshmedia.h: Likewise.
6088         * config/sh/ushmedia.h: Likewise.
6089         * config/sparc/crtfastmath.c: Likewise.
6090         * config/sparc/linux-unwind.h: Likewise.
6091         * config/sparc/sol2-c1.asm: Likewise.
6092         * config/sparc/sol2-ci.asm: Likewise.
6093         * config/sparc/sol2-cn.asm: Likewise.
6094         * config/spu/divmodti4.c: Likewise.
6095         * config/spu/divv2df3.c: Likewise.
6096         * config/spu/float_disf.c: Likewise.
6097         * config/spu/float_unsdidf.c: Likewise.
6098         * config/spu/float_unsdisf.c: Likewise.
6099         * config/spu/float_unssidf.c: Likewise.
6100         * config/spu/mfc_multi_tag_release.c: Likewise.
6101         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6102         * config/spu/mfc_tag_release.c: Likewise.
6103         * config/spu/mfc_tag_reserve.c: Likewise.
6104         * config/spu/mfc_tag_table.c: Likewise.
6105         * config/spu/multi3.c: Likewise.
6106         * config/spu/spu_internals.h: Likewise.
6107         * config/spu/spu_intrinsics.h: Likewise.
6108         * config/spu/spu_mfcio.h: Likewise.
6109         * config/spu/vec_types.h: Likewise.
6110         * config/spu/vmx2spu.h: Likewise.
6111         * config/stormy16/stormy16-lib2.c: Likewise.
6112         * config/svr4.h: Likewise.
6113         * config/sync.c: Likewise.
6114         * config/v850/lib1funcs.asm: Likewise.
6115         * config/vxlib-tls.c: Likewise.
6116         * config/vxlib.c: Likewise.
6117         * config/vxworks-dummy.h: Likewise.
6118         * config/xtensa/crti.asm: Likewise.
6119         * config/xtensa/crtn.asm: Likewise.
6120         * config/xtensa/ieee754-df.S: Likewise.
6121         * config/xtensa/ieee754-sf.S: Likewise.
6122         * config/xtensa/lib1funcs.asm: Likewise.
6123         * config/xtensa/lib2funcs.S: Likewise.
6124         * config/xtensa/linux-unwind.h: Likewise.
6125         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6126         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6127         * coretypes.h: Likewise.
6128         * crtstuff.c: Likewise.
6129         * defaults.h: Likewise.
6130         * dwarf2.h: Likewise.
6131         * emutls.c: Likewise.
6132         * gbl-ctors.h: Likewise.
6133         * gcov-io.h: Likewise.
6134         * ginclude/float.h: Likewise.
6135         * ginclude/iso646.h: Likewise.
6136         * ginclude/stdarg.h: Likewise.
6137         * ginclude/stdbool.h: Likewise.
6138         * ginclude/stddef.h: Likewise.
6139         * ginclude/stdfix.h: Likewise.
6140         * ginclude/stdint-gcc.h: Likewise.
6141         * ginclude/tgmath.h: Likewise.
6142         * gthr-aix.h: Likewise.
6143         * gthr-dce.h: Likewise.
6144         * gthr-gnat.c: Likewise.
6145         * gthr-gnat.h: Likewise.
6146         * gthr-lynx.h: Likewise.
6147         * gthr-mipssde.h: Likewise.
6148         * gthr-nks.h: Likewise.
6149         * gthr-posix.c: Likewise.
6150         * gthr-posix.h: Likewise.
6151         * gthr-posix95.h: Likewise.
6152         * gthr-rtems.h: Likewise.
6153         * gthr-single.h: Likewise.
6154         * gthr-solaris.h: Likewise.
6155         * gthr-tpf.h: Likewise.
6156         * gthr-vxworks.h: Likewise.
6157         * gthr-win32.h: Likewise.
6158         * gthr.h: Likewise.
6159         * libgcc2.c: Likewise.
6160         * libgcc2.h: Likewise.
6161         * libgcov.c: Likewise.
6162         * tsystem.h: Likewise.
6163         * typeclass.h: Likewise.
6164         * unwind-c.c: Likewise.
6165         * unwind-compat.h: Likewise.
6166         * unwind-dw2-fde-compat.c: Likewise.
6167         * unwind-dw2-fde-darwin.c: Likewise.
6168         * unwind-dw2-fde-glibc.c: Likewise.
6169         * unwind-dw2-fde.c: Likewise.
6170         * unwind-dw2-fde.h: Likewise.
6171         * unwind-dw2.c: Likewise.
6172         * unwind-dw2.h: Likewise.
6173         * unwind-generic.h: Likewise.
6174         * unwind-pe.h: Likewise.
6175         * unwind-sjlj.c: Likewise.
6176         * unwind.inc: Likewise.
6177         * config/arm/neon-gen.ml: Change generated copyright header to
6178         refer to version 3 of the GNU General Public License with
6179         version 3.1 of the GCC Runtime Library Exception and to point
6180         readers at the COPYING3 and COPYING3.RUNTIME files and the
6181         FSF's license web page.
6182         * config/arm/arm_neon.h: Regenerate.
6183
6184 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6185
6186         * config/cris/cris.md: Change copyright header to refer to version
6187         3 of the GNU General Public License.
6188         * doc/install.texi2html: Change copyright header to refer to version
6189         3 of the GNU General Public License and to point readers at the
6190         COPYING3 file and the FSF's license web page.
6191         * config/vax/linux.h: Likewise.
6192
6193 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6194
6195         * config/i386/i386.md (cmpcc): New.
6196         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6197         (sync_compare_and_swap_cc*): Delete.
6198
6199         * config/s390/s390.c (s390_compare_emitted): Remove.
6200         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6201         s390_compare_emitted used to be handled.  Assert that modes match.
6202         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6203         refer to sync_compare_and_swap_ccsi.
6204         * config/s390/s390.h (s390_compare_emitted): Remove.
6205         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6206         instead of s390_compare_emitted.
6207         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6208         instead of s390_compare_emitted.
6209         * config/s390/s390.md (cmpcc): New.
6210         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6211         CC_REGNUM, do not pretend it's set.
6212         (sync_compare_and_swap_cc*): Delete.
6213         * config/s390/predicates.md (cc_reg_operand): New.
6214
6215         * expr.c (sync_compare_and_swap_cc): Delete.
6216         * optabs.h (sync_compare_and_swap_cc): Delete.
6217         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6218         is being used with can_compare_p.
6219         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6220         (find_cc_set): New.
6221         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6222         look for a MODE_CC set instead.  Use emit_store_flag.
6223         (expand_compare_and_swap_loop): Likewise, with some additional
6224         complication to avoid a force_reg when useless.  Use
6225         emit_cmp_and_jump_insns.
6226         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6227         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6228         sync_compare_and_swap documentation.
6229
6230 2009-04-09  Jan Hubicka  <jh@suse.cz>
6231
6232         * except.c (find_prev_try): Break out from ....
6233         (duplicate_eh_regions): ... here; properly update prev_try pointers
6234         when duplication part of tree.
6235         (dump_eh_tree): Improve dumping.
6236         (verify_eh_region): New.
6237         (verify_eh_tree): Use it.
6238
6239 2009-04-06  Richard Guenther  <rguenther@suse.de>
6240
6241         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6242         &ARRAY addresses by adjusting their types and prepending
6243         a conversion.
6244         * tree-cfg.c (verify_gimple_assign_single): Verify that
6245         addresses are correct.
6246
6247 2009-04-09  Richard Guenther  <rguenther@suse.de>
6248
6249         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6250         indices into an array reference if possible.
6251         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6252         Fold POINTER_PLUS_EXPR statements with invariant address.
6253
6254 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6255
6256         PR target/39634
6257         * config.gcc (powerpc64-*-linux*): Always build biarch.
6258
6259 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6260
6261         PR c/39613
6262         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6263         it and pedwarn if this results in an INTEGER_CST.
6264
6265 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6266
6267         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6268         text in MPFR section.
6269
6270 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6271
6272         * dwarf2out.c (class_scope_p): New static inline.
6273         (class_or_namespace_scope_p): Use it.
6274         (gen_variable_die): Use DW_TAG_member tag for static data member
6275         declarations instead of DW_TAG_variable.
6276
6277         PR middle-end/39573
6278         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6279         variables.
6280
6281 2009-04-08  Richard Guenther  <rguenther@suse.de>
6282
6283         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6284         valueize random data.
6285
6286 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6287
6288         * config.gcc (aix tm_file):  Add aix-stdint.h.
6289         (aix tm clause use_gcc_stdint):  Set to wrap.
6290         * config/rs6000/aix-stdint.h:  New file.
6291
6292 2009-04-08  Richard Guenther  <rguenther@suse.de>
6293
6294         PR middle-end/36291
6295         * tree-dfa.c (add_referenced_var): Do not recurse into
6296         global initializers.
6297         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6298         exposed variables.
6299         (fold_const_aggregate_ref): Likewise.
6300
6301 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6302
6303         * recog.c (ordered_comparison_operator): New.
6304         * gensupport.c (std_preds): Add it.
6305         * doc/md.texi (Machine-Independent Predicates): Document it.
6306
6307 2009-04-08  Jan Hubicka  <jh@suse.cz>
6308
6309         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6310         * function.h (rtl_eh): Remove exception_handler_label_map.
6311         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6312         remove_exception_handler_label, for_each_eh_label_1): Remove.
6313         (rtl_remove_unreachable_regions): Remove.
6314         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6315         (find_exception_handler_labels): Don't build the hashtable.
6316         (maybe_remove_eh_handler): Remove.
6317         (for_each_eh_label): Rewrite to walk the tree.
6318         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6319         * except.h (maybe_remove_eh_handler): Remove.
6320         * passes.c (init_optimization_passes): Schedule second EH cleanup
6321         before out-of-ssa.
6322         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6323         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6324
6325 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6326
6327         * genoutput.c (validate_optab_operands): New.
6328         (gen_insn, gen_expand): Call it.
6329
6330         * genflags.c (gen_insn): Detect misused iterators.
6331         (main): Pass line_no to gen_insn, exit with status 1 on error.
6332
6333         * genextract.c (line_no): Make global.
6334         (VEC_safe_set_locstr): Change assertion to error message.
6335         (main): Exit with status 1 on error.
6336
6337 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6338
6339         PR c/39614
6340         PR c/39673
6341         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6342         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6343         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6344         * c-convert.c (convert): Do not call fold on results of conversion
6345         functions when the result is a C_MAYBE_CONST_EXPR.
6346         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6347         of __builtin_choose_expr.
6348         * c-typeck.c (remove_c_maybe_const_expr): New.
6349         (build_unary_op, build_conditional_expr, build_compound_expr,
6350         build_binary_op, c_objc_common_truthvalue_conversion): Call
6351         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6352         integer operands.
6353
6354 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6355
6356         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6357         CODE to produce a new one. Add a prototype to use fold_convert_const
6358
6359 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6360
6361         PR bootstrap/39660
6362         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6363         mix declarations and code.
6364
6365 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6366
6367         * gcc.c: Replace `CC' with `GCC' throughout.
6368
6369 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6370
6371         * doc/invoke.texi: Document Atom support.
6372
6373 2009-04-07  Jason Merrill  <jason@redhat.com>
6374
6375         PR c++/25185
6376         * c-common.h, c-common.c: Add flag_pretty_templates.
6377         * c-opts.c (c_common_handle_option): Set it.
6378         * c.opt: Add -fno-pretty-templates.
6379         * doc/invoke.texi (C++ Dialect Options): Likewise.
6380
6381 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6382
6383         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6384         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6385         (ia64_expand_builtin): Likewise.
6386
6387 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6388
6389         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6390         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6391         ADDR_EXPRS are include too.
6392
6393 2009-04-07  Richard Guenther  <rguenther@suse.de>
6394
6395         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6396         decls are only used if passes as parameters or if they are
6397         local statics and the call is not to a builtin.
6398         (call_may_clobber_ref_p_1): Likewise.
6399
6400 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6401
6402         * expr.c (do_store_flag): Remove last argument.  Simplify code
6403         to avoid duplication of tests already done by can_compare_p.
6404         (expand_expr_real_1): Adjust caller.
6405
6406 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6407
6408         * optabs.c (can_compare_p): Test the predicate of a
6409         cbranch and cstore pattern.
6410
6411 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6412
6413         * expr.c (convert_move): Use emit_store_flag instead of
6414         "emulating" it.
6415
6416 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6417
6418         * config/i386/i386.c (ix86_compare_emitted): Remove.
6419         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6420         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6421         * config/i386/i386.h (ix86_compare_emitted): Remove.
6422         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6423         instead of ix86_compare_emitted.
6424         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6425
6426 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6427
6428         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6429         Add t-sysroot-suffix to tmake_file.
6430         * config/print-sysroot-suffix.sh: New file.
6431         * config/t-sysroot-suffix: New file.
6432
6433 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6434
6435         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6436         as the latter produces a warning when the target does not support
6437         infinity.
6438
6439 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6440
6441         * dfp.c: Replace type punning assignments with memcpy throughout.
6442         * Makefile.in (dfp.o-warn): Remove.
6443
6444 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6445
6446         PR target/39634
6447         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6448         Include soft-fp/t-softfp after rs6000/t-linux64.
6449
6450 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6451
6452         * stor-layout.c (set_sizetype): Use the full precision of their
6453         machine mode for bitsize types.
6454
6455 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6456
6457         * config/i386/i386.md: Revert 2 accidental checkins.
6458
6459 2009-04-06  Joey Ye  <joey.ye@intel.com>
6460             Xuepeng Guo  <xuepeng.guo@intel.com>
6461             H.J. Lu  <hongjiu.lu@intel.com>
6462
6463         Atom pipeline model, tuning and insn selection.
6464         * config.gcc (atom): Add atom config options and target.
6465
6466         * config/i386/atom.md: New.
6467
6468         * config/i386/i386.c (atom_cost): New cost.
6469         (m_ATOM): New macro flag.
6470         (initial_ix86_tune_features): Set m_ATOM.
6471         (x86_accumulate_outgoing_args): Likewise.
6472         (x86_arch_always_fancy_math_387): Likewise.
6473         (processor_target): Add Atom cost.
6474         (cpu_names): Add Atom cpu name.
6475         (override_options): Set Atom ISA.
6476         (ix86_issue_rate): New case PROCESSOR_ATOM.
6477         (ix86_adjust_cost): Likewise.
6478
6479         * config/i386/i386.h (TARGET_ATOM): New target macro.
6480         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6481         (TARGET_OPT_AGU): New target option.
6482         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6483         (processor_type): Add PROCESSOR_ATOM.
6484
6485         * config/i386/i386.md (cpu): Add new value "atom".
6486         (use_carry, movu): New attr.
6487         (atom.md): Include atom.md.
6488         (adddi3_carry_rex64): Set attr "use_carry".
6489         (addqi3_carry): Likewise.
6490         (addhi3_carry): Likewise.
6491         (addsi3_carry): Likewise.
6492         (*addsi3_carry_zext): Likewise.
6493         (subdi3_carry_rex64): Likewise.
6494         (subqi3_carry): Likewise.
6495         (subhi3_carry): Likewise.
6496         (subsi3_carry): Likewise.
6497         (x86_movdicc_0_m1_rex64): Likewise.
6498         (*x86_movdicc_0_m1_se): Likewise.
6499         (x86_movsicc_0_m1): Likewise.
6500         (*x86_movsicc_0_m1_se): Likewise.
6501         (*adddi_1_rex64): Emit add insn as much as possible.
6502         (*addsi_1): Likewise.
6503         (return_internal): Set atom_unit.
6504         (return_internal_long): Likewise.
6505         (return_pop_internal): Likewise.
6506         (*rcpsf2_sse): Set atom_sse_attr attr.
6507         (*qrt<mode>2_sse): Likewise.
6508         (*prefetch_sse): Likewise.
6509
6510         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6511         PROCESSOR_ATOM.
6512         (ix86_target_macros_internal): Likewise.
6513
6514         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6515         (*prefetch_sse_rex): Likewise.
6516         (sse_rcpv4sf2): Likewise.
6517         (sse_vmrcpv4sf2): Likewise.
6518         (sse_sqrtv4sf2): Likewise.
6519         (<sse>_vmsqrt<mode>2): Likewise.
6520         (sse_ldmxcsr): Likewise.
6521         (sse_stmxcsr): Likewise.
6522         (*sse_sfence): Likewise.
6523         (sse2_clflush): Likewise.
6524         (*sse2_mfence): Likewise.
6525         (*sse2_lfence): Likewise.
6526         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6527         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6528         (avx_movdqu<avxmodesuffix>): Likewise.
6529         (avx_lddqu<avxmodesuffix>): Likewise.
6530         (sse2_movntv2di): Change attr "type" to "ssemov".
6531         (sse2_movntsi): Likewise.
6532         (rsqrtv8sf2): Change attr "type" to "sseadd".
6533         (sse3_addsubv2df3): Set attr "atom_unit".
6534         (sse3_h<plusminus_insn>v4sf3): Likewise.
6535         (*sse2_pmaddwd): Likewise.
6536         (*vec_extractv2di_1_rex64): Likewise.
6537         (*vec_extractv2di_1_avx): Likewise.
6538         (sse2_psadbw): Likewise.
6539         (ssse3_phaddwv8hi3): Likewise.
6540         (ssse3_phaddwv4hi3): Likewise.
6541         (ssse3_phadddv4si3): Likewise.
6542         (ssse3_phadddv2si3): Likewise.
6543         (ssse3_phaddswv8hi3): Likewise.
6544         (ssse3_phaddswv4hi3): Likewise.
6545         (ssse3_phsubwv8hi3): Likewise.
6546         (ssse3_phsubwv4hi3): Likewise.
6547         (ssse3_phsubdv4si3): Likewise.
6548         (ssse3_phsubdv2si3): Likewise.
6549         (ssse3_phsubswv8hi3): Likewise.
6550         (ssse3_phsubswv4hi3): Likewise.
6551         (ssse3_pmaddubsw128): Likewise.
6552         (sse3_pmaddubsw: Likewise.
6553         (ssse3_palignrti): Likewise.
6554         (ssse3_palignrdi): Likewise.
6555
6556 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6557
6558         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6559
6560 2009-04-06  Richard Guenther  <rguenther@suse.de>
6561
6562         PR tree-optimization/28868
6563         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6564         of which PHI results we inserted.
6565         (insert_into_preds_of_block): Record inserted PHIs.
6566         (eliminate): Eliminate redundant PHI nodes.
6567         (init_pre): Init inserted_phi_names.
6568
6569 2009-04-06  Richard Guenther  <rguenther@suse.de>
6570
6571         PR tree-optimization/39643
6572         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6573         IMAGPART_EXPRs of complex constants.
6574         (execute_fold_all_builtins): If we folded a call queue
6575         TODO_update_address_taken.
6576
6577 2009-04-06  Jan Hubicka  <jh@suse.cz>
6578
6579         PR middle-end/39659
6580         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6581         flag.
6582
6583 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6584
6585         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6586         delay slot.
6587         (ic_invalidate_array): Likewise.
6588
6589 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6590
6591         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6592         alignment for library calls.
6593
6594 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6595
6596         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6597         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6598         * config/i386/mingw-stdint.h:  New file.
6599
6600 2009-04-05  Richard Guenther  <rguenther@suse.de>
6601
6602         PR tree-optimization/39648
6603         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6604         our &A vs. &A[0] IL deficiencies.
6605
6606 2009-04-04  Jan Hubicka  <jh@suse.cz>
6607
6608         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6609         removed toplevel regions.
6610         (sjlj_mark_call_sites): Likewise.
6611
6612 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6613
6614         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6615         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6616         * config/i386/cygwin-stdint.h:  New file.
6617
6618 2009-04-04  Richard Guenther  <rguenther@suse.de>
6619
6620         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6621         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6622         single-argument PHIs if we are in loop-closed SSA form.
6623         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6624         for the pre-condition.
6625         (slpeel_tree_peel_loop_to_edge): Likewise.
6626         (vect_build_loop_niters): Take an optional sequence to append stmts.
6627         (vect_generate_tmps_on_preheader): Likewise.
6628         (vect_do_peeling_for_loop_bound): Take extra guards for the
6629         pre-condition.
6630         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6631         the cost model check.
6632         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6633         guards if we are going to peel.  Do not apply versioning in that case.
6634         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6635         (vect_do_peeling_for_loop_bound): Likewise.
6636         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6637         loop bound only record extra pre-conditions, do not apply loop
6638         versioning.
6639
6640 2009-04-04  Richard Guenther  <rguenther@suse.de>
6641
6642         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6643         renaming code.
6644
6645 2009-04-04  Jan Hubicka  <jh@suse.cz>
6646
6647         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6648         last_basic_block for size of bb->index indexed array.
6649         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6650         compute_out, link_btr_uses, build_btr_def_use_webs,
6651         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6652
6653 2009-04-04  Jan Hubicka  <jh@suse.cz>
6654
6655         * except.c (remove_eh_handler_and_replace): Break out from ...
6656         (remove_eh_handler): ... here.
6657         (bring_to_root): New function.
6658         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6659         handled ones, bring others to root of tree.
6660
6661 2009-04-04  Jan Hubicka  <jh@suse.cz>
6662
6663         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6664         (all_phis_safe_to_merge): New function.
6665         (update_info): New structure.
6666         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6667         (cleanup_empty_eh): Update SSA if possible.
6668
6669 2009-04-04  Richard Guenther  <rguenther@suse.de>
6670
6671         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6672         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6673         (append_vuse): Likewise.
6674
6675 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6676
6677         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6678         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6679         instead of REG_UNSAVED for DW_CFA_undefined.
6680         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6681         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6682         outermost frame.
6683
6684 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6685
6686         PR target/39501
6687         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6688         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6689         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6690
6691 2009-04-04  Richard Guenther  <rguenther@suse.de>
6692
6693         PR tree-optimization/8781
6694         PR tree-optimization/37892
6695         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6696         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6697         (valueize_refs): Call it for *& valueizations.
6698         (shared_reference_ops_from_ref): Rename to ...
6699         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6700         (shared_reference_ops_from_call): Rename to ...
6701         (valueize_shared_reference_ops_from_call): ... this and valueize.
6702         (vn_reference_lookup): Update.
6703         (visit_reference_op_call): Likewise.
6704         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6705         (eliminate): Value-replace the call address in call statements.
6706
6707 2009-04-04  Richard Guenther  <rguenther@suse.de>
6708
6709         PR tree-optimization/39636
6710         * tree-ssa-forwprop.c
6711         (forward_propagate_addr_into_variable_array_index): Check for
6712         GIMPLE_ASSIGN before accessing the rhs code.
6713
6714 2009-04-03  Jason Merrill  <jason@redhat.com>
6715
6716         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6717
6718 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6719
6720         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6721         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6722         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6723         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6724         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6725         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6726         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6727         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6728         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6729         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6730         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6731         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6732         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6733         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6734         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6735         Use fr_reg_or_fp01_operand instead of fr_register_operand
6736
6737         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6738         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6739         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6740
6741 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6742
6743         PR rtl-optimization/39607
6744         PR rtl-optimization/39631
6745
6746         Revert:
6747
6748         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6749         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6750         instead of DF_LR_OUT.
6751         * ira-lives.c (process_bb_node_lives): Ditto.
6752         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6753         instead of DF_LR_{OUT,IN}.
6754         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6755         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6756
6757 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6758
6759         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6760         (execute_lower_omp): Always run but take the short way out if -fopenmp
6761         is not given.
6762         (gate_lower_omp): Remove, forcing the pass manager to always run the
6763         pass and always set PROP_gimple_lomp.
6764         (pass_lower_omp): Remove gate function.
6765         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6766         PROP_trees.  Instead, require it.
6767         * ipa-cp.c (pass_ipa_cp): Likewise.
6768         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6769         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6770         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6771         and PROP_gimple_leh.
6772
6773 2009-04-03  Richard Guenther  <rguenther@suse.de>
6774
6775         PR middle-end/13146
6776         PR tree-optimization/23940
6777         PR tree-optimization/33237
6778         PR middle-end/33974
6779         PR middle-end/34093
6780         PR tree-optimization/36201
6781         PR tree-optimization/36230
6782         PR tree-optimization/38049
6783         PR tree-optimization/38207
6784         PR tree-optimization/38230
6785         PR tree-optimization/38301
6786         PR tree-optimization/38585
6787         PR middle-end/38895
6788         PR tree-optimization/38985
6789         PR tree-optimization/39299
6790         * tree-ssa-structalias.h: Remove.
6791         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6792         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6793         (struct vuse_element_d): Remove.
6794         (struct vuse_vec_d): Likewise.
6795         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6796         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6797         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6798         VUSE_ELEMENT_VAR): Likewise.
6799         (struct voptype_d): Likewise.
6800         (NUM_VOP_FREE_BUCKETS): Likewise.
6801         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6802         (struct stmt_operands_d): Remove.
6803         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6804         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6805         VDEF_NUM, VDEF_VECT): Likewise.
6806         (copy_virtual_operands): Remove.
6807         (operand_build_cmp): Likewise.
6808         (create_ssa_artificial_load_stmt): Likewise.
6809         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6810         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6811         vuse_index and mayuse_index members.  Pack and move done and iter_type
6812         members to the front.
6813         (SSA_OP_VMAYUSE): Remove.
6814         (SSA_OP_VIRTUAL_USES): Adjust.
6815         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6816         (unlink_stmt_vdef): Declare.
6817         (add_to_addressable_set): Remove.
6818         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6819         (vrp_visit_stmt): Likewise.
6820         * doc/tree-ssa.texi (Alias analysis): Update.
6821         * doc/invoke.texi (max-aliased-vops): Remove docs.
6822         (avg-aliased-vops): Likewise.
6823         * tree-into-ssa.c (syms_to_rename): Remove.
6824         (need_to_update_vops_p): Likewise.
6825         (need_to_initialize_update_ssa_p): Rename to ...
6826         (update_ssa_initialized_fn): ... this.  Track function we are
6827         initialized for.
6828         (symbol_marked_for_renaming): Simplify.
6829         (add_new_name_mapping): Do not set need_to_update_vops_p.
6830         (dump_currdefs): Use SYMS_TO_RENAME.
6831         (rewrite_update_stmt): Always walk all uses/defs.
6832         (dump_update_ssa): Adjust.
6833         (init_update_ssa): Take function argument.  Track what we are
6834         initialized for.
6835         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6836         (create_new_def_for): Initialize for cfun, assert we are initialized
6837         for cfun.
6838         (mark_sym_for_renaming): Simplify.
6839         (mark_set_for_renaming): Do not initialize update-ssa.
6840         (need_ssa_update_p): Simplify.  Take function argument.
6841         (name_mappings_registered_p): Assert we ask for the correct function.
6842         (name_registered_for_update_p): Likewise.
6843         (ssa_names_to_replace): Likewise.
6844         (release_ssa_name_after_update_ssa): Likewise.
6845         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6846         (dump_decl_set): Do not print a newline.
6847         (debug_decl_set): Do it here.
6848         (dump_update_ssa): And here.
6849         * tree-ssa-loop-im.c (move_computations): Adjust.
6850         (movement_possibility): Likewise.
6851         (determine_max_movement): Likewise.
6852         (gather_mem_refs_stmt): Likewise.
6853         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6854         or NAME_MEMORY_TAG.
6855         * tree-complex.c (update_all_vops): Remove.
6856         (expand_complex_move): Adjust.
6857         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6858         Simplify test for memory referencing statement.  Exclude
6859         non-invariant ADDR_EXPRs.
6860         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6861         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6862         (rdg_flag_uses): Likewise.
6863         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6864         related code.
6865         (tree_optimize_tail_calls_1): Also split the
6866         edge from the entry block if we have degenerate PHI nodes in
6867         the first basic block.
6868         * tree.c (init_ttree): Remove memory-tag related code.
6869         (tree_code_size): Likewise.
6870         (tree_node_structure): Likewise.
6871         (build7_stat): Re-write to be build6_stat.
6872         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6873         (SSA_VAR_P): Adjust.
6874         (struct tree_memory_tag): Remove.
6875         (struct tree_memory_partition_tag): Likewise.
6876         (union tree_node): Adjust.
6877         (build7): Re-write to be build6.
6878         * tree-pass.h (pass_reset_cc_flags): Remove.
6879         (TODO_update_address_taken): New flag.
6880         (pass_simple_dse): Remove.
6881         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6882         * params.h (MAX_ALIASED_VOPS): Remove.
6883         (AVG_ALIASED_VOPS): Likewise.
6884         * omp-low.c (expand_omp_taskreg): Update SSA form.
6885         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6886         aliases the lhs in a copy stmt.
6887         * tree-ssa-dse.c (struct address_walk_data): Remove.
6888         (memory_ssa_name_same): Likewise.
6889         (memory_address_same): Likewise.
6890         (get_kill_of_stmt_lhs): Likewise.
6891         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6892         unused stores.  Look through PHI nodes into post-dominated regions.
6893         (dse_optimize_stmt): Simplify.  Properly remove stores.
6894         (tree_ssa_dse): Compute dominators.
6895         (execute_simple_dse): Remove.
6896         (pass_simple_dse): Likewise.
6897         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6898         gimple_loaded_syms and gimple_stored_syms computation.
6899         * toplev.c (dump_memory_report): Dump alias and pta stats.
6900         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6901         (vn_reference_eq): Likewise.
6902         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6903         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6904         valueize_vuses): Remove.
6905         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6906         (get_def_ref_stmt_vuse): ... this.
6907         (vn_reference_lookup_2): New function.
6908         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6909         walking equivalent vuses.  Simplify.
6910         (vn_reference_lookup): Likewise.
6911         (vn_reference_insert): Likewise.
6912         (vn_reference_insert_pieces): Likewise.
6913         (visit_reference_op_call): Simplify.
6914         (visit_reference_op_load): Likewise.
6915         (visit_reference_op_store): Likewise.
6916         (init_scc_vn): Remove shared_lookup_vuses initialization.
6917         (free_scc_vn): Remove shared_lookup_vuses freeing.
6918         (sort_vuses, sort_vuses_heap): Remove.
6919         (get_ref_from_reference_ops): Export.
6920         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6921         vector with single vuse pointer.
6922         (vn_reference_lookup_pieces, vn_reference_lookup,
6923         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6924         (shared_vuses_from_stmt): Remove.
6925         (get_ref_from_reference_ops): Declare.
6926         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6927         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6928         memory-tag related code.
6929         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6930         (likely_value): Add comment, skip static-chain of call statements.
6931         (surely_varying_stmt_p): Adjust.
6932         (gimplify_and_update_call_from_tree): Likewise.
6933         (execute_fold_all_builtins): Do not rebuild alias info.
6934         (gimplify_and_update_call_from_tree): Properly update VOPs.
6935         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6936         (copy_ref_info): Remove memory-tag related code.
6937         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6938         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6939         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6940         computation.
6941         * tree-ssa-dom.c (gimple_p): Remove typedef.
6942         (eliminate_redundant_computations): Adjust.
6943         (record_equivalences_from_stmt): Likewise.
6944         (avail_expr_hash): Likewise.
6945         (avail_expr_eq): Likewise.
6946         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6947         (stmt_makes_single_load): Likewise.
6948         (stmt_makes_single_store): Likewise.
6949         * tree-ssa-alias.c: Rewrite completely.
6950         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6951         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6952         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6953         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6954         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6955         Remove public functions.
6956         (pass_reset_cc_flags): Remove.
6957         (pass_build_alias): Move ...
6958         * tree-ssa-structalias.c (pass_build_alias): ... here.
6959         * tree-ssa-alias.c (may_be_aliased): Move ...
6960         * tree-flow-inline.h (may_be_aliased): ... here.
6961         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6962         count_uses_and_derefs): Move ...
6963         * gimple.c: ... here.
6964         * gimple.h (count_uses_and_derefs): Declare.
6965         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6966         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6967         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6968         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6969         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6970         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6971         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6972         New functions.
6973         * tree-dfa.c (refs_may_alias_p): Move ...
6974         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6975         * tree-ssa-alias.h: New file.
6976         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6977         (statement_sink_location): Likewise.
6978         * opts.c (decode_options): Do not adjust max-aliased-vops or
6979         avg-aliased-vops values.
6980         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6981         (TV_CALL_CLOBBER): Likewise.
6982         (TV_FLOW_SENSITIVE): Likewise.
6983         (TV_FLOW_INSENSITIVE): Likewise.
6984         (TV_MEMORY_PARTITIONING): Likewise.
6985         (TV_ALIAS_STMT_WALK): New timevar.
6986         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6987         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6988         (get_address_description): Remove memory-tag related code.
6989         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6990         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6991         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6992         and immediate uses in statements.  Document.
6993         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6994         (dump_symbols): Remove.
6995         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6996         * alias.c (get_deref_alias_set): New function split out from ...
6997         (get_alias_set): ... here.
6998         * alias.h (get_deref_alias_set): Declare.
6999         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7000         type parameter.  Remove restrict pointer handling.  Create a
7001         ref-all pointer in case type-based alias sets do not conflict.
7002         (vect_analyze_data_refs): Remove SMT related code.
7003         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7004         (vectorizable_load): Likewise.
7005         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7006         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7007         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7008         Ignore vops and SMTs.
7009         (dr_analyze_alias): Likewise..
7010         (free_data_ref): Likewise.
7011         (create_data_ref): Likewise.
7012         (analyze_all_data_dependences): Likewise.
7013         (get_references_in_stmt): Adjust.
7014         * tree-flow-inline.h (gimple_aliases_computed_p,
7015         gimple_addressable_vars, gimple_call_clobbered_vars,
7016         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7017         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7018         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7019         gimple_mem_ref_stats): Remove.
7020         (gimple_vop): New function.
7021         (op_iter_next_use): Remove vuses and mayuses cases.
7022         (op_iter_next_def): Remove vdefs case.
7023         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7024         (clear_and_done_ssa_iter): Do not set removed fields.
7025         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7026         Assert we are not iterating over vuses or vdefs if not also
7027         iterating over uses or defs.
7028         (op_iter_init_use): Likewise.
7029         (op_iter_init_def): Likewise.
7030         (op_iter_next_vdef): Remove.
7031         (op_iter_next_mustdef): Likewise.
7032         (op_iter_init_vdef): Likewise.
7033         (compare_ssa_operands_equal): Likewise.
7034         (link_use_stmts_after): Handle vuse operand.
7035         (is_call_used): Use is_call_clobbered.
7036         (is_call_clobbered): Global variables are always call clobbered,
7037         query the call-clobbers bitmap.
7038         (mark_call_clobbered): Ignore global variables.
7039         (clear_call_clobbered): Likewise.
7040         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7041         virtual operands sanity check.
7042         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7043         Remove.
7044         (TARGET_MEM_REF): Remove TMR_TAG operand.
7045         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7046         Remove call-clobber related code.
7047         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7048         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7049         partitions or escape reason.
7050         (get_single_def_stmt, get_single_def_stmt_from_phi,
7051         get_single_def_stmt_with_phi): Remove.
7052         (dump_referenced_vars): Tidy.
7053         (get_ref_base_and_extent): Allow bare decls.
7054         (collect_dfa_stats): Adjust.
7055         * graphite.c (rename_variables_in_stmt): Adjust.
7056         (graphite_copy_stmts_from_block): Likewise.
7057         (translate_clast): Likewise.
7058         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7059         (EXPR_DIES): New.
7060         (translate_vuse_through_block): Use the oracle.
7061         (phi_translate_1): Adjust.
7062         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7063         in EXPR_DIES.
7064         (valid_in_sets): Check if the VUSE for
7065         a REFERENCE is available.
7066         (eliminate): Do not remove stmts during elimination,
7067         instead queue and remove them afterwards.
7068         (do_pre): Do not rebuild alias info.
7069         (pass_pre): Run TODO_rebuild_alias before PRE.
7070         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7071         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7072         (mark_all_v_defs_stmt): Remove.
7073         (mark_all_v_defs_seq): Adjust.
7074         (sra_replace): Likewise.
7075         (scalarize_use): Likewise.
7076         (scalarize_copy): Likewise.
7077         (scalarize_init): Likewise.
7078         (scalarize_ldst): Likewise.
7079         (todoflags): Remove.
7080         (tree_sra): Do not rebuild alias info.
7081         (tree_sra_early): Adjust.
7082         (pass_sra): Run TODO_update_address_taken before SRA.
7083         * tree-predcom.c (set_alias_info): Remove.
7084         (prepare_initializers_chain): Do not call it.
7085         (mark_virtual_ops_for_renaming): Adjust.
7086         (mark_virtual_ops_for_renaming_list): Remove.
7087         (initialize_root_vars): Adjust.
7088         (initialize_root_vars_lm): Likewise.
7089         (prepare_initializers_chain): Likewise.
7090         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7091         (may_propagate_copy_into_stmt): Likewise.
7092         (merge_alias_info): Do nothing for now.
7093         (propagate_tree_value_into_stmt): Adjust.
7094         (stmt_may_generate_copy): Likewise.
7095         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7096         not mark symbols for renaming.
7097         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7098         with the same statement, make sure to update the new pointed-to one.
7099         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7100         call statements, do not mark symbols for renaming.
7101         (mark_operand_necessary): Dump something.
7102         (ref_may_be_aliased): New function.
7103         (mark_aliased_reaching_defs_necessary_1): New helper function.
7104         (mark_aliased_reaching_defs_necessary): Likewise.
7105         (mark_all_reaching_defs_necessary_1): Likewise.
7106         (mark_all_reaching_defs_necessary): Likewise.
7107         (propagate_necessity): Do not process virtual PHIs.  For
7108         non-aliased loads mark all reaching definitions as necessary.
7109         For aliased loads and stores mark the immediate dominating
7110         aliased clobbers as necessary.
7111         (visited): New global static.
7112         (perform_tree_ssa_dce): Free visited bitmap after propagating
7113         necessity.
7114         (remove_dead_phis): Perform simple dead virtual PHI removal.
7115         (remove_dead_stmt): Properly unlink virtual operands when
7116         removing stores.
7117         (eliminate_unnecessary_stmts): Schedule PHI removal after
7118         stmt removal.
7119         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7120         (process_replaceable): Likewise.
7121         (find_replaceable_in_bb): Likewise.
7122         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7123         based on the single gimple vop.
7124         (verify_flow_insensitive_alias_info): Remove.
7125         (verify_flow_sensitive_alias_info): Likewise.
7126         (verify_call_clobbering): Likewise.
7127         (verify_memory_partitions): Likewise.
7128         (verify_alias_info): Likewise.
7129         (verify_ssa): Adjust..
7130         (execute_update_addresses_taken): Export.  Update SSA
7131         manually.  Optimize only when optimizing.  Use a local bitmap.
7132         (pass_update_address_taken): Remove TODO_update_ssa, add
7133         TODO_dump_func.
7134         (pass_update_address_taken): Just use TODO_update_address_taken.
7135         (init_tree_ssa): Do not initialize addressable_vars.
7136         (verify_ssa): Verify new VUSE / VDEF properties.
7137         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7138         Do not call verify_alias_info.
7139         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7140         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7141         and callused solutions.  Do not free addressable_vars.
7142         Remove memory-tag related code.
7143         (warn_uninitialized_var): Aliases are always available.
7144         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7145         * lambda-code.c (can_put_in_inner_loop): Adjust.
7146         (can_put_after_inner_loop): Likewise.
7147         (perfect_nestify): Likewise.
7148         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7149         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7150         (vectorizable_conversion): Do not mark symbols for renaming.
7151         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7152         (expand_call_inline): Unlink the calls virtual operands before
7153         replacing it.
7154         (tree_function_versioning): Do not call update_ssa if we are not
7155         updating clones.  Simplify.
7156         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7157         (propagate_with_phi): Likewise..
7158         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7159         clobber code.  Assert we are not aliased or global.
7160         * tree-flow.h: Include tree-ssa-alias.h
7161         (enum escape_type): Remove.
7162         (struct mem_sym_stats_d): Likewise.
7163         (struct mem_ref_stats_d): Likewise.
7164         (struct gimple_df): Add vop member.  Remove global_var,
7165         call_clobbered_vars, call_used_vars, addressable_vars,
7166         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7167         escaped and callused members.
7168         (struct ptr_info_def): Remove all members, add points-to solution
7169         member pt.
7170         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7171         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7172         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7173         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7174         (tree-ssa-alias.o): Likewise.
7175         (toplev.o): Add tree-ssa-alias.h
7176         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7177         * gimple.c (gimple_set_bb): Fix off-by-one error.
7178         (is_gimple_reg): Do not handle memory tags.
7179         (gimple_copy): Also copy virtual operands.
7180         Delay updating the statement.  Do not reset loaded and stored syms.
7181         (gimple_set_stored_syms): Remove.
7182         (gimple_set_loaded_syms): Likewise.
7183         (gimple_call_copy_skip_args): Copy the virtual operands
7184         and mark the new statement modified.
7185         * tree-ssa-structalias.c (may_alias_p): Remove.
7186         (set_uids_in_ptset): Take the alias set to prune with as
7187         parameter.  Fold in the alias test of may_alias_p.
7188         (compute_points_to_sets): Compute whether a ptr is dereferenced
7189         in a local sbitmap.
7190         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7191         other ADDRESSOF constraints on the lhs.
7192         (get_constraint_for_component_ref): Assert that we don't get
7193         ADDRESSOF constraints from the base of the reference.
7194         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7195         (struct variable_info): Remove collapsed_to member.
7196         (get_varinfo_fc): Remove.
7197         (new_var_info): Do not set collapsed_to.
7198         (dump_constraint): Do not follow cycles.
7199         (dump_constraint_graph): Likewise.
7200         (build_pred_graph): Likewise.
7201         (build_succ_graph): Likewise.
7202         (rewrite_constraints): Likewise.
7203         (do_simple_structure_copy): Remove.
7204         (do_rhs_deref_structure_copy): Remove.
7205         (do_lhs_deref_structure_copy): Remove.
7206         (collapse_rest_of_var): Remove.
7207         (do_structure_copy): Re-implement.
7208         (pta_stats): New global variable.
7209         (dump_pta_stats): New function.
7210         (struct constraint_expr): Make offset signed.
7211         (UNKNOWN_OFFSET): Define special value.
7212         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7213         (solution_set_expand): New helper function split out from ...
7214         (do_sd_constraint): ... here.
7215         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7216         (do_ds_constraint): Likewise.
7217         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7218         and CALLUSED = *CALLUSED.
7219         (set_union_with_increment): Make inc argument signed.
7220         (type_safe): Remove.
7221         (get_constraint_for_ptr_offset): Handle unknown and negative
7222         constant offsets.
7223         (first_vi_for_offset): Handle offsets before start.  Bail
7224         out early for offsets beyond the variable extent.
7225         (first_or_preceding_vi_for_offset): New function.
7226         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7227         Together with ESCAPED = *ESCAPED this properly computes reachability.
7228         (find_what_var_points_to): New function.
7229         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7230         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7231         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7232         pt_solutions_intersect): New functions.
7233         (compute_call_used_vars): Remove.
7234         (compute_may_aliases): New main entry into PTA computation.
7235         * gimple.h (gimple_p): New typedef.
7236         (struct gimple_statement_base): Remove references_memory_p.
7237         (struct gimple_statement_with_memory_ops_base): Remove
7238         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7239         members.
7240         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7241         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7242         gimple_set_references_memory): Remove.
7243         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7244         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7245         New functions.
7246         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7247         (verify_expr): Allow RESULT_DECL.
7248         (gimple_duplicate_bb): Do not copy virtual operands.
7249         (gimple_duplicate_sese_region): Adjust.
7250         (gimple_duplicate_sese_tail): Likewise.
7251         (mark_virtual_ops_in_region): Remove.
7252         (move_sese_region_to_fn): Do not call it.
7253         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7254         and pass_simple_dse.
7255         (execute_function_todo): Handle TODO_update_address_taken,
7256         call execute_update_addresses_taken for TODO_rebuild_alias.
7257         (execute_todo): Adjust.
7258         (execute_one_pass): Init dump files early.
7259         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7260         call-clobbered.
7261         (create_general_new_stmt): Clear vops.
7262         * tree-ssa-reassoc.c (get_rank): Adjust.
7263         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7264         symbols for renaming.
7265         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7266         (PARAM_AVG_ALIASED_VOPS): Likewise.
7267         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7268         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7269         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7270         (operand_build_cmp, copy_virtual_operands,
7271         create_ssa_artificial_load_stmt, add_to_addressable_set,
7272         gimple_add_to_addresses_taken): Remove public functions.
7273         (unlink_stmt_vdef): New function.
7274
7275 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7276
7277         * config.gcc (powerpc-*-linux*): Merge variants.
7278
7279 2009-04-02  Chao-ying Fu  <fu@mips.com>
7280             James Grosbach  <james.grosbach@microchip.com>
7281
7282         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7283         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7284         cop0_sp_offset.
7285         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7286         keep_interrupts_masked_p, use_debug_exception_return_p.
7287         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7288         keep_interrupts_masked, use_debug_exception_return.
7289         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7290         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7291         New functions.
7292         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7293         (mips_print_operand): Process COP0 registers to print $0 .. $31
7294         correctly for GAS to process.
7295         (mips_interrupt_extra_call_saved_reg_p): New function.
7296         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7297         extra registers.
7298         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7299         (mips_compute_frame_info): Add supports for interrupt context that
7300         includes doubleword accumulators and COP0 registers.
7301         (mips_for_each_saved_acc): New function.
7302         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7303         mips_for_each_saved_reg.
7304         (mips_save_reg): Save accumulators.
7305         (mips_kernel_reg_p): A new for_each_rtx callback.
7306         (mips_expand_prologue): Support interrupt handlers.
7307         (mips_restore_reg): Restore accumulators.
7308         (mips_expand_epilogue): Support interrupt handlers.
7309         (mips_can_use_return_insn): Return false for interrupt handlers.
7310         (mips_epilogue_uses): New function.
7311         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7312         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7313         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7314         cop0_move): New instructions.
7315         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7316         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7317         defines.
7318         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7319         New defines.
7320         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7321         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7322         interrupt handlers, we use K0 as the temporary register.
7323         (EPILOGUE_USES): Change to a function call.
7324         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7325         handlers, we use K0 as the temporary register.
7326
7327         * doc/extend.texi (Function Attributes): Document interrupt,
7328         use_shadow_register_set, keep_interrupts_masked,
7329         use_debug_exception_return for MIPS attributes.
7330
7331 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7332
7333         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7334         Remove a number of t-files from tmake_file.
7335         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7336         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7337         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7338         target_prototype, not TARGET_PROTOTYPE.
7339         (LINK_OS_GNU_SPEC): Define.
7340         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7341         and darwin-ldoubdle.c.
7342
7343 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7344
7345         PR driver/39293
7346         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7347         (cpp_options): Ditto.
7348         (default_compilers): Ditto.
7349         (display_help): Ditto.
7350         (process_command): Ditto.
7351         (do_spec_1): Ditto.
7352         (set_input): Use lbasename instead of duplicate code.
7353         (save_temps_prefix): New static for -save-temps=obj.
7354         (save_temps_length): Ditto.
7355
7356         * doc/invoke.texi (-save-temps=obj): Document new variant to
7357         -save-temps switch.
7358
7359 2009-04-02  Jeff Law  <law@redhat.com>
7360
7361         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7362         variable.
7363
7364 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7365
7366         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7367         * configure: Regenerated.
7368
7369 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7370
7371         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7372         share the argument list.
7373
7374 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7375
7376         Merge
7377
7378         2009-02-12  Diego Novillo  <dnovillo@google.com>
7379
7380         * varpool.c (debug_varpool): New.
7381         * cgraph.h (debug_varpool): Declare.
7382
7383 2009-04-02  Jan Hubicka  <jh@suse.cz>
7384
7385         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7386         pass.
7387
7388 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         * config/i386/i386.c (ix86_abi): Move initialization to ...
7391         (override_options): Here.
7392
7393 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7394
7395         * config/sh/sh.c (sh_dwarf_register_span): New function.
7396         (TARGET_DWARF_REGISTER_SPAN): Define.
7397         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7398
7399 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7400
7401         PR tree-optimization/39595
7402         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7403         interleaved loads group is not  greater than the SLP group size.
7404
7405 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7406
7407         * builtins.c (is_builtin_name): New.
7408         (called_as_built_in): Use is_builtin_name.
7409         * tree.h (is_builtin_name): New.
7410         * varasm.c (incorporeal_function_p): Use is_builtin_name
7411
7412 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7413
7414         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7415
7416 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7417
7418         PR c++/26693
7419         * c-decl.c (clone_underlying_type): Move this ...
7420         * c-common.c (set_underlying_type): ... here.
7421         Also, make sure the function properly sets TYPE_STUB_DECL() on
7422         the newly created typedef variant type.
7423         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7424         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7425         points.
7426
7427 2009-04-02  Richard Guenther  <rguenther@suse.de>
7428
7429         PR tree-optimization/37221
7430         * tree-flow.h (degenerate_phi_result): Declare.
7431         * tree-ssa-dom.c (degenerate_phi_result): Export.
7432         * tree-scalar-evolution.c (analyze_initial_condition): If
7433         the initial condition is defined by a degenerate PHI node
7434         use the degenerate value.
7435
7436 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7437
7438         PR rtl-optimization/39588
7439         * combine.c (merge_outer_ops): Do not set the constant when this
7440         is not necessary.
7441         (simplify_shift_const_1): Do not modify it either in this case.
7442
7443 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7444
7445         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7446         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7447
7448 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7449
7450         PR c/29027
7451         * c-lex.c (interpret_float): Default (no suffix) is double.
7452
7453 2009-04-1  Xinliang David Li  <davidxl@google.com>
7454
7455         * config/i386/i386.c (legitimate_constant_p): Recognize
7456         all one vector constant.
7457
7458 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7459
7460         * config/vax/vax.c: Add #includes to silence warnings.
7461         Change #include order to silence two warnings.
7462
7463 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7464
7465         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7466         (ASM_SPEC): Pass -k to the assembler for PIC code.
7467
7468 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7469
7470         * config.gcc: Add vax-*-linux* to the switch.
7471         * config/vax/linux.h: New file. (TARGET_VERSION,
7472         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7473
7474 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7475
7476         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7477         Use predicate macros instead of GET_CODE() == foo.
7478         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7479         ashlsi3, rotrsi3, <unnamed>): Likewise.
7480
7481 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7482
7483         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7484         jbbccihi, jbbccisi): Remova trailing whitespace.
7485         * config/vax/constraints.md: Likewise.
7486         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7487         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7488         * config/vax/predicates.md: Likewise.
7489         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7490         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7491         * config/vax/vax.h: Likewise.
7492         * config/vax/vax.md (nonlocal_goto): Likewise.
7493
7494 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7495
7496         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7497         (indirectable_address_p, adjacent_operands_p): Add spaces around
7498         braces.
7499         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7500
7501 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7502
7503         * config/vax/vax.c (legitimate_constant_address_p,
7504         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7505         index_term_p, reg_plus_index_p, legitimate_address_p,
7506         vax_mode_dependent_address_p): Update comments to match functions
7507         modified by the recent int->bool conversion.
7508
7509 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7510
7511         * config/vax/builtins.md: Update copyright message.
7512         * config/vax/constraints.md: Likewise.
7513         * config/vax/netbsd-elf.h: Likewise.
7514         * config/vax/predicates.md: Likewise.
7515         * config/vax/vax-protos.h: Likewise.
7516         * config/vax/vax.c: Likewise.
7517         * config/vax/vax.h: Likewise.
7518         * config/vax/vax.md: Likewise.
7519         * config/vax/vax.opt: Likewise.
7520
7521 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7522
7523         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7524         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7525         * config/vax/constraints.md (B, R): Likewise.
7526         * config/vax/predicates.md (external_memory_operand,
7527         nonimmediate_addsub_di_operand): Likewise.
7528         * config/vax/vax.c (vax_output_int_add): Likewise.
7529         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7530         untyped_call): Likewise.
7531
7532 2009-04-01  Matt Thomas  <matt@3am-software.com>
7533
7534         * config/vax/predicates.md: New file.
7535         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7536         external_const_operand, nonsymbolic_operand, external_memory_operand,
7537         indirect_memory_operand, indexed_memory_operand,
7538         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7539         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7540         predicate.
7541         * config/vax/constraints.md: New file.
7542         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7543         New constraint.
7544         * config/vax/builtins.md: New file.
7545         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7546         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7547         jbbccisi): Define.
7548         * config/vax/vax.opt (mqmath): Add option.
7549         * config/vax/vax.md (isfx): Extend with DI.
7550         (VAXintQH, VAXintQHSD): Define.
7551         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7552         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7553         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7554         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7555         (movdi): Update constraints and use vax_output_int_move().
7556         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7557         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7558         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7559         nonlocal_goto): New.
7560         (mov<mode>): Extend accepted operand types.
7561         (subdi3_old): Rename from subdi3, change update constraints and use
7562         a new implementation.
7563         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7564         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7565         MOVE_RATIO, CLEAR_RATIO): Define.
7566         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7567         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7568         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7569         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7570         (split_quadword_operands): Make static and really allow variable
7571         splitting.
7572         (print_operand_address): Update for PIC generation.
7573         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7574         indexable_address_p, fixup_mathdi_operand,
7575         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7576         (vax_float_literal, legitimate_constant_p,
7577         indirectable_constant_address_p, index_term_p,
7578         reg_plus_index_p): Return bool instead of int.
7579         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7580         where needed.
7581         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7582         generation.
7583         (vax_output_conditional_branch): Indent.
7584         (legitimate_constant_address_p, indirectable_constant_address_p,
7585         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7586         vax_mode_dependent_address_p): Return bool instead of int, update for
7587         PIC generation.
7588         * config/vax/vax-protos.h (legitimate_constant_address_p,
7589         legitimate_constant_p, legitimate_address_p,
7590         vax_mode_dependent_address_p): Change declaration to bool.
7591         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7592         vax_expand_addsub_di_operands, vax_output_int_subtract,
7593         vax_output_movmemsi): Declare.
7594         (split_quadword_operands, vax_float_literal): Delete declaration.
7595         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7596         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7597         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7598         ASM_OUTPUT_DWARF_PCREL): Define.
7599         (ASM_SPEC): Change definition to allow PIC generation.
7600
7601 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7602
7603         * doc/sourcebuild.texi: Update front-end requirements.
7604
7605 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7606
7607         PR target/39226
7608         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7609         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7610         (booldi3_internal3): Use boolean_or_operator instead of
7611         boolean_operator.
7612
7613 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7614
7615         PR c/39605
7616         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7617         declarator whose size is not an integer constant expression but
7618         folds to an integer constant, then treat it as a constant
7619         subsequently.
7620
7621 2009-04-01  Richard Guenther  <rguenther@suse.de>
7622
7623         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7624         i * 4 + 2 to (i * 2 + 1) * 2.
7625
7626 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7627
7628         PR c/37772
7629         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7630         return if c_parser_asm_string_literal returned NULL.
7631
7632 2009-04-01  Nick Clifton  <nickc@redhat.com>
7633
7634         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7635         already defined.
7636         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7637         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7638         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7639         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7640         include it.
7641         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7642         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7643         then include it.
7644
7645 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7646
7647         * varasm.c (default_function_rodata_section): Declare DOT as
7648         const char*.
7649
7650 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7651             Andrey Galkin  <agalkin@hypercom.com>
7652
7653         PR/39492
7654         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7655         Make object_name unique for each process.
7656
7657 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7658
7659         PR other/39591
7660         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7661         addressable variables in the parallel that could go out of scope while
7662         running queued tasks.
7663
7664 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7665
7666         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7667         (CASE_VALUES_THRESHOLD): Redefine.
7668         * config/avr/avr.c (avr_override_options): Remove initialization of
7669         avr_case_values_threshold variable.
7670         (avr_case_values_threshold): Remove variable. Add new function.
7671         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7672         * config/avr/avr.opt (mno-tablejump): Remove option.
7673         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7674
7675 2009-04-01  DJ Delorie  <dj@redhat.com>
7676
7677         * varasm.c (default_function_rodata_section): Don't assume
7678         anything about where the first '.' in the section name is.
7679
7680 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7681
7682         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7683         rs6000_emit_stack_tie.
7684
7685 2009-03-31  Ian Lance Taylor  <iant@google.com>
7686
7687         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7688         gimple_code with GIMPLE_RESX, not RESX.
7689
7690 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7691
7692         * c-common.c (c_get_ident): New.
7693         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7694
7695 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7696
7697         * config/rs6000/sysv4.opt (msdata): Improve option description.
7698
7699 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7700
7701         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7702         (divdf3_internal_lat): Remove.
7703         (divxf3_internal_lat): Remove.
7704         (divxf3_internal_thr): Remove.
7705         (divxf): Use divxf3_internal.
7706         * config/ia64/div.md (divsf3_internal_lat): New.
7707         (divdf3_internal_lat): New.
7708         (divxf3_internal): New.
7709
7710 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7711
7712         PR c/448
7713         * Makefile.in (USE_GCC_STDINT): Define.
7714         (stmp-int-hdrs): Install stdint.h if applicable.
7715         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7716         if known.
7717         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7718         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7719         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7720         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7721         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7722         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7723         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7724         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7725         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7726         (c_common_nodes_and_builtins): Initialize
7727         underlying_wchar_type_node.  Do not initialize
7728         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7729         nodes for new types.
7730         (c_stddef_cpp_builtins): Define macros for new types.
7731         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7732         Remove.
7733         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7734         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7735         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7736         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7737         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7738         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7739         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7740         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7741         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7742         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7743         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7744         int16_type_node, int32_type_node, int64_type_node,
7745         uint8_type_node, uint16_type_node, c_uint32_type_node,
7746         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7747         int_least32_type_node, int_least64_type_node,
7748         uint_least8_type_node, uint_least16_type_node,
7749         uint_least32_type_node, uint_least64_type_node,
7750         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7751         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7752         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7753         uintptr_type_node): Define.
7754         * c-cppbuiltin.c (builtin_define_constants,
7755         builtin_define_type_minmax): New.
7756         (builtin_define_stdint_macros): Define more macros.
7757         (c_cpp_builtins): Define more limit macros.
7758         (type_suffix): New.
7759         (builtin_define_type_max): Define in terms of
7760         builtin_define_type_minmax.  Remove is_long parameter.  All
7761         callers changed.
7762         * config.gcc (use_gcc_stdint): Define.
7763         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7764         Add newlib-stdint.h for generic targets.
7765         * config/glibc-stdint.h, config/newlib-stdint.h,
7766         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7767         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7768         * config/score/score.h (UINTPTR_TYPE): Define.
7769         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7770         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7771         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7772         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7773         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7774         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7775         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7776         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7777         * config/spu/spu.h (STDINT_LONG32): Define.
7778         * configure.ac (use_gcc_stdint): Substitute.
7779         * configure: Regenerate.
7780         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7781         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7782         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7783         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7784         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7785         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7786         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7787         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7788         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7789         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7790         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7791         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7792         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7793         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7794         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7795         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7796         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7797         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7798         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7799         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7800         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7801         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7802         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7803         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7804         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7805         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7806         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7807         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7808         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7809
7810 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7811
7812         * loop-iv.c (suitable_set_for_replacement): Renamed from
7813         simplify_using_assignment; changed to return bool and to accept new
7814         args DEST and SRC.  Return true iff we find a source/destination pair
7815         that can be used to make a replacement, and fill SRC and DEST if so.
7816         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7817         changed.
7818         (simplify_using_initial_values): Deal with altered regs here and track
7819         more precisely the effect they have on the validity of our expression.
7820
7821         * loop-iv.c (simplify_using_condition): A condition of the form
7822         (EQ REG CONST) can be used to simply make a substitution.
7823         (simplify_using_initial_values): Keep track of conditions we have seen
7824         and keep using them to simplify new expressions, while applying the
7825         same substitutions to them as to the expression.
7826
7827         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7828         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7829         GEU/LTU reversed.
7830
7831         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7832         changed.  Use this when trying to improve the upper bound.
7833         Generate the comparison by using simplify_gen_relational.
7834
7835         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7836
7837         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7838         functions.
7839         (simplify_using_assignment, simplify_using_initial_values): Call
7840         replace_in_expr to make replacements.  Call replace_single_def_regs
7841         once on the initial version of the expression.
7842
7843 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7844
7845         PR target/27237
7846         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7847
7848 2009-03-31  Richard Guenther  <rguenther@suse.de>
7849
7850         PR middle-end/31029
7851         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7852         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7853
7854 2009-03-31  Richard Guenther  <rguenther@suse.de>
7855
7856         * tree.h (div_if_zero_remainder): Declare.
7857         * fold-const.c (div_if_zero_remainder): Export.
7858         * tree-ssa-forwprop.c
7859         (forward_propagate_addr_into_variable_array_index): Handle
7860         constant array index addition outside of the variable index.
7861
7862 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7863
7864         PR target/39592
7865         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7866         define_splits, floatunssi<mode>2): Require x87 conversions from
7867         DImode to be permitted.
7868
7869 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7870
7871         PR preprocessor/15638
7872         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7873
7874 2009-03-31  Richard Guenther  <rguenther@suse.de>
7875
7876         PR middle-end/23401
7877         PR middle-end/27810
7878         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7879         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7880         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7881         a separate statement.
7882         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7883         (lookup_tmp_var): Likewise.
7884         (is_gimple_formal_tmp_or_call_rhs): Remove.
7885         (is_gimple_reg_or_call_rhs): Rename to ...
7886         (is_gimple_reg_rhs_or_call): ... this.
7887         (is_gimple_mem_or_call_rhs): Rename to ...
7888         (is_gimple_mem_rhs_or_call): ... this.
7889         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7890         DECL_GIMPLE_REG_P only if is_formal is true.
7891         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7892         for non-proper post-modify expression gimplification.
7893         (gimplify_self_mod_expr): For post-modify expressions gimplify
7894         the lvalue to a minimal lvalue.
7895         (rhs_predicate_for): Remove formal temp case.
7896         (gimplify_modify_expr_rhs): Likewise.
7897         (gimplify_addr_expr): Use is_gimple_reg.
7898         (gimplify_expr): Remove formal temp cases.
7899         (gimple_regimplify_operands): Likewise.
7900         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7901         and FILTER_EXPR like constants.
7902         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7903         is_gimple_reg.
7904         (is_gimple_formal_tmp_rhs): Remove.
7905         (is_gimple_reg_rhs): Remove special casing.
7906         (is_gimple_mem_rhs): Fix.
7907         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7908         (is_gimple_formal_tmp_var): Remove.
7909         (is_gimple_formal_tmp_reg): Likewise.
7910         (is_gimple_min_lval): Allow invariant component ref parts.
7911         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7912         is_gimple_formal_tmp_reg): Remove declarations.
7913         * tree-cfg.c (verify_expr): Verify that variables with address
7914         taken do not have DECL_GIMPLE_REG_P set.
7915         * tree-mudflap.c (mf_build_check_statement_for): Use
7916         force_gimple_operand instead of gimplify_expr.
7917
7918 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7919
7920         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7921         schedulable rows to compute_split_row.
7922
7923 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7924
7925         PR target/31635
7926         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7927         OPT_mvrsave.
7928
7929 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7930
7931         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7932         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7933         * configure: Regenerate.
7934         * config.in: Regenerate.
7935         * config/rs6000/rs6000.opt (mtls-markers): Add.
7936         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7937         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7938         (tls_ld_aix, tls_ld_sysv): Likewise.
7939         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7940         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7941
7942 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7943
7944         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7945
7946 2009-03-30  Jan Hubicka  <jh@suse.cz>
7947
7948         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7949         out of RESX.
7950         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7951         detection and label handling.
7952
7953 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7954
7955         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7956         left_conflicts_size.
7957         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7958         ALLOCNO_LEFT_CONFLICTS_SIZE.
7959
7960         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7961         remove_allocno_from_bucket_and_push,
7962         allocno_spill_priority_compare, push_allocnos_to_stack,
7963         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7964         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7965         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7966         setup_allocno_left_conflicts_size.
7967         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7968         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7969         setup_allocno_left_conflicts_size instead of
7970         setup_allocno_left_conflicts_num.
7971
7972         * ira-build.c (ira_create_allocno): Use
7973         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7974         ALLOCNO_LEFT_CONFLICTS_NUM.
7975
7976 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7977
7978         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7979         instead of DF_LR_OUT.
7980
7981         * ira-lives.c (process_bb_node_lives): Ditto.
7982
7983         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7984         instead of DF_LR_{OUT,IN}.
7985
7986         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7987
7988         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7989
7990 2009-03-30  Jan Hubicka  <jh@suse.cz>
7991
7992         * except.c (label_to_region_map): Fix thinko.
7993
7994 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7995
7996         PR middle-end/38237
7997         * tree.h (tree_find_value): New declaration.
7998         * tree.c (tree_find_value): New function.
7999         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8000
8001 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8002
8003         PR debug/39563
8004         * c-decl.c (struct c_binding): Add locus field.
8005         (bind): Add locus argument, set locus field from it.
8006         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8007         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8008         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8009         implicitly_declare, undeclared_variable, lookup_label,
8010         declare_label, c_make_fname_decl, c_builtin_function,
8011         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8012         bind callers.
8013
8014 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8015
8016         PR target/38781
8017         * config/i386/i386.c (classify_argument): Check total size of
8018         structure.
8019
8020 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8021
8022         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8023         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8024         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8025         respectively.
8026
8027         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8028         seen_variable_array_ref while also traversing a union.
8029
8030         * tree-inline.c (optimize_inline_calls): Do not call
8031         cgraph_node_remove_callees.
8032         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8033         (pass_remove_cgraph_callee_edges): New variable.
8034         * passes.c (init_optimization_passes): Add
8035         pass_remove_cgraph_callee_edges after early inlining and before all
8036         late intraprocedural passes.
8037
8038         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8039
8040 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8041
8042         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8043         Fix typos in names.
8044
8045 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8046
8047         * combine.c (simplify_comparison): Use have_insn_for.
8048         * dojump.c (do_jump): Likewise.
8049
8050 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8051
8052         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8053         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8054         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8055         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8056         instead of sparc_compare_emitted.
8057         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8058         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8059         instead of sparc_compare_emitted.
8060
8061 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8062
8063         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8064         enter/exit cfglayout mode.
8065         (pass_partition_block): Require it.
8066         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8067         (combine_instructions): Track basic blocks instead of labels.
8068         (update_cfg_for_uncondjump): New.
8069         (try_combine): Use it.  Update jumps after rescanning.
8070         (pass_combine): Require PROP_cfglayout.
8071         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8072
8073 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8074
8075         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8076         Provide/destroy PROP_cfglayout respectively.
8077         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8078         * tree-pass.h (PROP_cfglayout): New.
8079
8080 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8081
8082         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8083         fold_convert_const_fixed_from_fixed,
8084         fold_convert_const_fixed_from_int,
8085         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8086         set TREE_CONSTANT_OVERFLOW.
8087         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8088         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8089
8090 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8091
8092         * tree-vect-loop-manip.c: New file.
8093         * tree-vectorizer.c: Update documentation and included files.
8094         (vect_loop_location): Make extern.
8095         (rename_use_op): Move to tree-vect-loop-manip.c
8096         (rename_variables_in_bb, rename_variables_in_loop,
8097         slpeel_update_phis_for_duplicate_loop,
8098         slpeel_update_phi_nodes_for_guard1,
8099         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8100         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8101         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8102         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8103         find_loop_location): Likewise.
8104         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8105         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8106         get_vectype_for_scalar_type, vect_is_simple_use,
8107         supportable_widening_operation, supportable_narrowing_operation):
8108         Likewise.
8109         (bb_in_loop_p): Move to tree-vect-loop.c.
8110         (new_loop_vec_info, destroy_loop_vec_info,
8111         reduction_code_for_scalar_code, report_vect_op,
8112         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8113         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8114         (vect_supportable_dr_alignment): Likewise.
8115         * tree-vectorizer.h (tree-data-ref.h): Include.
8116         (vect_loop_location): Declare.
8117         Reorganize function declarations according to the new file structure.
8118         * tree-vect-loop.c: New file.
8119         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8120         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8121         * tree-vect-data-refs.c: New file.
8122         * tree-vect-patterns.c (timevar.h): Don't include.
8123         * tree-vect-stmts.c: New file.
8124         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8125         tree-vect-slp.c, tree-vect-loop.c.
8126         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8127         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8128         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8129         (tree-vect-analyze.o): Remove.
8130         (tree-vect-transform.o): Likewise.
8131         (tree-vect-data-refs.o): Add rule.
8132         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8133         tree-vect-slp.o): Likewise.
8134         (tree-vect-patterns.o): Remove redundant dependencies.
8135         (tree-vectorizer.o): Likewise.
8136         * tree-vect-slp.c: New file.
8137
8138 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8139
8140         * optc-gen.awk: Warn if an option flag has multiple different
8141         help strings.
8142
8143 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8144
8145         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8146         -floop-block): Document dependences on PPL, CLooG and Graphite.
8147
8148 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8149
8150         PR rtl-optimization/323
8151         * c-common.c (c_fully_fold, convert_and_check,
8152         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8153         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8154         * c-common.def (EXCESS_PRECISION_EXPR): New.
8155         * c-cppbuiltin.c (builtin_define_float_constants): Define
8156         constants with enough digits for long double.
8157         * c-lex.c (interpret_float): Interpret constant with excess
8158         precision where appropriate.
8159         * c-opts.c (c_common_post_options): Set
8160         flag_excess_precision_cmdline.  Give an error for
8161         -fexcess-precision=standard for C++ for processors where the
8162         option is significant.
8163         * c-parser.c (c_parser_conditional_expression): Handle excess
8164         precision in condition.
8165         * c-typeck.c (convert_arguments): Handle arguments with excess
8166         precision.
8167         (build_unary_op): Move excess precision outside operation.
8168         (build_conditional_expr): Likewise.
8169         (build_compound_expr): Likewise.
8170         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8171         (build_modify_expr): Handle excess precision in RHS.
8172         (convert_for_assignment): Handle excess precision in converted
8173         value.
8174         (digest_init, output_init_element, process_init_element): Handle
8175         excess precision in initializer.
8176         (c_finish_return): Handle excess precision in return value.
8177         (build_binary_op): Handle excess precision in operands and add
8178         excess precision as needed for operation.
8179         * common.opt (-fexcess-precision=): New option.
8180         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8181         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8182         For standard excess precision, output explicit conversion to and
8183         truncation from XFmode.
8184         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8185         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8186         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8187         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8188         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8189         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8190         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8191         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8192         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8193         define_splits, sqrt<mode>2): Disable where appropriate for
8194         standard excess precision.
8195         * convert.c (convert_to_real): Do not shorten arithmetic to type
8196         for which excess precision would be used.
8197         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8198         * doc/invoke.texi (-fexcess-precision=): Document option.
8199         (-mfpmath=): Correct index entry.
8200         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8201         flag_excess_precision): New.
8202         * langhooks.c (lhd_post_options): Set
8203         flag_excess_precision_cmdline.
8204         * opts.c (common_handle_option): Handle -fexcess-precision=.
8205         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8206         init_excess_precision): New.
8207         (lang_dependent_init_target): Call init_excess_precision.
8208         * tree.c (excess_precision_type): New.
8209         * tree.h (excess_precision_type): Declare.
8210
8211 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8212
8213         PR c/35235
8214         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8215         non-lvalue to component.
8216
8217 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8218
8219         PR preprocessor/34695
8220         * Makefile.in (c-opts.o): Depend on c-tree.h.
8221         * c-common.c: Move down include of diagnostic.h.
8222         (done_lexing, c_cpp_error): New.
8223         * c-common.h (done_lexing): Declare.
8224         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8225         (parse_in).
8226         * c-opts.c: Include c-tree.h.
8227         (c_common_init_options): Set preprocessor error callback.
8228         (c_common_handle_option): Do not set preprocessor
8229         inhibit_warnings, warnings_are_errors, warn_system_headers,
8230         pedantic_errors or inhibit_warnings flags.
8231         (c_common_post_options): Do not check cpp_errors (parse_in).
8232         (c_common_finish): Do not output dependencies if there were
8233         errors.  Do not check return value of cpp_finish.
8234         * c-ppoutput.c (pp_file_change): Set input_location.
8235         * c-tree.h (c_cpp_error): Declare.
8236         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8237         override_column.
8238         (diagnostic_build_prefix): Check override_column.
8239         * diagnostic.h (diagnostic_info): Add override_column field.
8240         (diagnostic_override_column): Define.
8241
8242 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8243
8244         * c-common.c (c_expand_expr, c_staticp): Remove.
8245         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8246         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8247         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8248         * c-gimplify.c (gimplify_compound_literal_expr,
8249         optimize_compound_literals_in_ctor): Remove.
8250         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8251         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8252         * c-semantics.c (emit_local_var): Remove.
8253
8254         * langhooks-def.h (lhd_expand_expr): Remove.
8255         * langhooks.c (lhd_expand_expr): Remove.
8256         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8257
8258         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8259         handling from c-semantics.c; don't call into langhook.
8260         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8261         * gimplify.c (gimplify_compound_literal_expr,
8262         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8263         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8264         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8265         as was done in c-gimplify.c.
8266         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8267         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8268         Move from c-common.h.
8269         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8270
8271         * tree.c (staticp): Do not call langhook.
8272         * langhooks.c (lhd_staticp): Delete.
8273         * langhooks-def.h (lhd_staticp): Delete prototype.
8274         (LANG_HOOKS_STATICP): Delete.
8275         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8276
8277         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8278         instead of DECL_STMTs.
8279
8280 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8281
8282         PR c/456
8283         PR c/5675
8284         PR c/19976
8285         PR c/29116
8286         PR c/31871
8287         PR c/35198
8288         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8289         void_type_node.
8290         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8291         contained expression.
8292         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8293         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8294         conditional expressions for C.
8295         (decl_constant_value_for_optimization): Move from
8296         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8297         whether optimizing and that the expression is a VAR_DECL not of
8298         array type instead of doing such checks in the caller.  Do not
8299         check pedantic.  Call gcc_unreachable for C++.
8300         * c-common.def (C_MAYBE_CONST_EXPR): New.
8301         * c-common.h (c_fully_fold, c_save_expr,
8302         decl_constant_value_for_optimization): New prototypes.
8303         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8304         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8305         EXPR_INT_CONST_OPERANDS): Define.
8306         * c-convert.c (convert): Strip nops from expression.
8307         * c-decl.c (groktypename): Take extra parameters expr and
8308         expr_const_operands.  Update call to grokdeclarator.
8309         (start_decl): Update call to grokdeclarator.  Add statement for
8310         expressions used in type of decl.
8311         (grokparm): Update call to grokdeclarator.
8312         (push_parm_decl): Update call to grokdeclarator.
8313         (build_compound_literal): Add parameter non_const and build a
8314         C_MAYBE_COSNT_EXPR if applicable.
8315         (grokdeclarator): Take extra parameters expr and
8316         expr_const_operands.  Track expressions used in declaration
8317         specifiers and declarators.  Fold array sizes and track whether
8318         they are constant expressions and whether they are integer
8319         constant expressions.
8320         (parser_xref_tag): Set expr and expr_const_operands fields in
8321         return value.
8322         (grokfield): Update call to grokdeclarator.
8323         (start_function): Update call to grokdeclarator.
8324         (build_null_declspecs): Set expr and expr_const_operands fields in
8325         return value.
8326         (declspecs_add_type): Handle expressions in typeof specifiers.
8327         * c-parser.c (c_parser_declspecs): Set expr and
8328         expr_const_operands fields for declaration specifiers.
8329         (c_parser_enum_specifier): Likewise.
8330         (c_parser_struct_or_union_specifier): Likewise.
8331         (c_parser_typeof_specifier): Likewise.  Update call to
8332         groktypename.  Fold expression as needed.  Return expressions with
8333         type instead of adding statements.
8334         (c_parser_attributes): Update calls to c_parser_expr_list.
8335         (c_parser_statement_after_labels): Fold expression before passing
8336         to objc_build_throw_stmt.
8337         (c_parser_condition): Fold expression.
8338         (c_parser_asm_operands): Fold expression.
8339         (c_parser_conditional_expression): Use c_save_expr.  Update call
8340         to build_conditional_expr.
8341         (c_parser_alignof_expression): Update call to groktypename.
8342         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8343         original_code.  Fold expression argument of va_arg.  Create
8344         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8345         argument to va_arg.  Update calls to groktypename.  Fold array
8346         index for offsetof.  Verify that first argument to
8347         __builtin_choose_expr has integer type.
8348         (c_parser_postfix_expression_after_paren_type): Update calls to
8349         groktypename and build_compound_literal.  Handle expressions with
8350         side effects in type name.
8351         (c_parser_postfix_expression_after_primary): Update call to
8352         c_parser_expr_list.  Set original_code for calls to
8353         __builtin_constant_p.
8354         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8355         expressions if requested.
8356         (c_parser_objc_type_name): Update call to groktypename.
8357         (c_parser_objc_synchronized_statement): Fold expression.
8358         (c_parser_objc_receiver): Fold expression.
8359         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8360         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8361         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8362         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8363         (struct c_typespec): Add elements expr and expr_const_operands.
8364         (struct c_declspecs): Add elements expr and expr_const_operands.
8365         (groktypename, build_conditional_expr, build_compound_literal):
8366         Update prototypes.
8367         (in_late_binary_op): Declare.
8368         * c-typeck.c (note_integer_operands): New function.
8369         (in_late_binary_op): New variable.
8370         (decl_constant_value_for_broken_optimization): Move to c-common.c
8371         and rename to decl_constant_value_for_optimization.
8372         (default_function_array_conversion): Do not strip nops.
8373         (default_conversion): Do not call
8374         decl_constant_value_for_broken_optimization.
8375         (build_array_ref): Do not fold result.
8376         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8377         result when operand is a VLA.
8378         (c_expr_sizeof_type): Update call to groktypename.  Handle
8379         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8380         result when operand names a VLA type.
8381         (build_function_call): Update call to build_compound_literal.
8382         Only fold result for calls to __builtin_* functions.  Strip
8383         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8384         the function designator.
8385         (convert_arguments): Fold arguments.  Update call to
8386         convert_for_assignment.
8387         (build_unary_op): Handle increment and decrement of
8388         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8389         decrement earlier.  Fold operand of increment and decrement.
8390         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8391         built for integer operand.  Wrap returns that are INTEGER_CSTs
8392         without being integer constant expressions or that have integer
8393         constant operands without being INTEGER_CSTs.
8394         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8395         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8396         result is an integer constant expression or can be used in
8397         unevaluated parts of one and avoid folding and wrap as
8398         appropriate.  Fold operands before possibly doing -Wsign-compare
8399         warnings.
8400         (build_compound_expr): Wrap result for C99 if operands can be used
8401         in integer constant expressions.
8402         (build_c_cast): Update call to digest_init.  Do not ignore
8403         overflow from casting floating-point constants to integers.  Wrap
8404         results that could be confused with integer constant expressions,
8405         null pointer constants or floating-point constants.
8406         (c_cast_expr): Update call to groktypename.  Handle expressions
8407         included in type name.
8408         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8409         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8410         Update calls to convert_for_assignment.
8411         (convert_for_assignment): Take new parameter
8412         null_pointer_constant.  Do not strip nops or call
8413         decl_constant_value_for_broken_optimization.  Set
8414         in_late_binary_op for conversions to boolean.
8415         (store_init_value): Update call to digest_init.
8416         (digest_init): Take new parameter null_pointer_constant.  Do not
8417         call decl_constant_value_for_broken_optimization.  pedwarn for
8418         initializers not constant expressions.  Update calls to
8419         convert_for_assignment.
8420         (constructor_nonconst): New.
8421         (struct constructor_stack): Add nonconst element.
8422         (really_start_incremental_init, push_init_level, pop_init_level):
8423         Handle constructor_nonconst and nonconst element.
8424         (set_init_index): Call constant_expression_warning for array
8425         designators.
8426         (output_init_element): Fold value.  Set constructor_nonconst as
8427         applicable.  pedwarn for initializers not constant expressions.
8428         Update call to digest_init.  Call constant_expression_warning
8429         where constant initializers are required.
8430         (process_init_element): Use c_save_expr.
8431         (c_finish_goto_ptr): Fold expression.
8432         (c_finish_return): Fold return value.  Update call to
8433         convert_for_assignment.
8434         (c_start_case): Fold switch expression.
8435         (c_process_expr_stmt): Fold expression.
8436         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8437         ensure statement expression is not evaluated in constant expression.
8438         (build_binary_op): Track whether results are integer constant
8439         expressions or may occur in such, disable folding and wrap results
8440         as applicable.  Fold operands for -Wsign-compare warnings unless
8441         in_late_binary_op.
8442         (c_objc_common_truthvalue_conversion): Handle results folded to
8443         integer constants that are not integer constant expressions.
8444         * doc/extend.texi: Document when typeof operands are evaluated,
8445         that condition of __builtin_choose_expr is an integer constant
8446         expression, and more about use of __builtin_constant_p in
8447         initializers.
8448
8449 2009-03-29  Richard Guenther  <rguenther@suse.de>
8450
8451         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8452         propagate addresses of array references.
8453
8454 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8455
8456         * regmove.c (perhaps_ends_bb_p): Remove.
8457         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8458         from INSN and check that the main loop stays within that basic block.
8459         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8460         (regmove_forward_pass): Split out from regmove_optimize.  Use
8461         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8462         (regmove_backward_pass): Split out from regmove_optimize.  Use
8463         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8464         (regmove_optimize): Simplify.
8465
8466 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8467
8468         PR target/39545
8469         * config/i386/i386.c (classify_argument): Ignore flexible array
8470         member in struct and warn ABI change.
8471
8472 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8473
8474         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8475
8476         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8477         (ix86_adjust_cost): Updated.
8478
8479 2009-03-29  Jan Hubicka  <jh@suse.cz>
8480
8481         PR middle-end/28850
8482         * tree-pass.h (pass_cleanup_eh): New function.
8483         (remove_unreachable_regions): Break code handling RTL
8484         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8485         that can not be reached by runtime.
8486         (can_be_reached_by_runtime): New function.
8487         (label_to_region_map): New function.
8488         (num_eh_regions): New function.
8489         (rtl_remove_unreachable_regions): New function.
8490         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8491         (remove_eh_region): New function.
8492         * except.h: Include sbitmap and vecprim.
8493         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8494         num_eh_regions): Declare.
8495         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8496         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8497         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8498         (tree_empty_eh_handler_p): New function.
8499         (cleanup_empty_eh): New function.
8500         (cleanup_eh): New function.
8501         (pass_cleanup_eh): New function.
8502
8503 2009-03-29  Jan Hubicka  <jh@suse.cz>
8504
8505         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8506         for removed regions.
8507
8508 2009-03-29  Jan Hubicka  <jh@suse.cz>
8509
8510         * except.c (dump_eh_tree): Dump all datastructures.
8511
8512 2009-03-29  Jan Hubicka  <jh@suse.cz>
8513
8514         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8515         (duplicate_eh_regions_1): Likewise.
8516         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8517         vector; call EH verification.
8518         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8519         Be ready for region being removed.
8520
8521 2009-03-29  Jan Hubicka  <jh@suse.cz>
8522
8523         * bitmap.c (bitmap_last_set_bit): New function.
8524         * bitmap.h (bitmap_last_set_bit): Declare.
8525
8526 2009-03-29  David Ayers  <ayers@fsfe.org>
8527
8528         PR objc/27377
8529         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8530         by calling objc_compare_types and surpress warnings about
8531         incompatible C pointers that are compatible ObjC pointers.
8532
8533 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8534
8535         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8536         call initialize_inline_failed.
8537         (initialize_inline_failed): Move it from here ...
8538         * cgraph.c (initialize_inline_failed): ... to here.
8539         (cgraph_create_edge): Call initialize_inline_failed rather than
8540         setting inline_failed directly.
8541
8542 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8543
8544         PR target/32542
8545         * sysv4.opt (msdata): Improve comment.
8546         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8547         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8548
8549 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8550
8551         PR target/30451
8552         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8553         load and store attributes.
8554
8555 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8556
8557         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8558         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8559         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8560         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8561         __builtin_infq and __builtin_huge_valq.
8562
8563 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8564
8565         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8566         atmega8m1 devices.
8567         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8568         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8569
8570 2009-03-28  Xinliang David Li  <davidxl@google.com>
8571
8572         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8573         (do_dbg_cnt): New function.
8574
8575 2009-03-28  Jan Hubicka  <jh@suse.cz>
8576
8577         Merge from pretty-ipa:
8578
8579         2009-03-27  Jan Hubicka  <jh@suse.cz>
8580
8581         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8582         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8583         * passes.c (function_called_by_processed_nodes_p): New.
8584         * ipa-pure-const.c (check_call): Fix handling of operands.
8585         (analyze_function): Dump debug output for skipped bodies.
8586         (local_pure_const): Use function_called_by_processed_nodes_p.
8587         * dwarf2out.c (reference_to_unused): Use output.
8588         * passes.c (do_per_function_toporder): Likewise.
8589
8590         2008-11-12  Jan Hubicka  <jh@suse.cz>
8591
8592         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8593         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8594         state_set_in_source enum
8595         (check_decl): Ignore memory tags; do not set fake looping flags;
8596         dump diagnostics.
8597         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8598         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8599         (check_call, analyze_function): Rewrite.
8600         (check_stmt): New.
8601         (add_new_function): Update call of analyze_function.
8602         (generate_summary): Add call of analyze_function.
8603         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8604         (local_pure_const): New function.
8605         (pass_local_pure_const): New pass.
8606         * ipa-inline.c (inline_transform): Set after_inlining.
8607         * tree-eh.c (stmt_can_throw_external): New.
8608         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8609         work with aliasing built.
8610         * tree-flow.h (stmt_can_throw_external): New.
8611         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8612         and local pure/const pass in early and late optimization queue.
8613
8614 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8615
8616         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8617         allow_func_align.
8618         (fold_binary): Allow function decl aligment consideration is the
8619         second argument is integer constant one.
8620         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8621         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8622         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8623
8624 2009-03-28  Jan Hubicka  <jh@suse.cz>
8625
8626         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8627         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8628         * function.h (rtl_data): Add nothrow flag.
8629         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8630         set DECL_NOTHROW for AVAILABLE functions.
8631
8632 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8633
8634         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8635         following vector keyword has expansion starting with pixel or bool
8636         keyword, expand vector to __vector and pixel or bool to __pixel or
8637         __bool.
8638
8639         PR c++/39554
8640         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8641         warn_if_disallowed_function_p): Removed.
8642         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8643         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8644         warning_if_disallowed_function_p.
8645         * flags.h (warn_if_disallowed_function_p,
8646         warn_disallowed_functions): Removed.
8647         * common.opt (Wdisallowed-function-list=): Removed.
8648         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8649
8650 2009-03-28  Richard Guenther  <rguenther@suse.de>
8651
8652         PR tree-optimization/38723
8653         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8654         the entry block.
8655
8656 2009-03-28  Jan Hubicka  <jh@suse.cz>
8657
8658         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8659         test introduced by my previous patch.
8660
8661 2009-03-28  Richard Guenther  <rguenther@suse.de>
8662
8663         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8664         the PHIs value undefined.
8665
8666 2009-03-28  Jan Hubicka  <jh@suse.cz>
8667
8668         * tree-pass.h (pass_fixup_cfg): New pass.
8669         * ipa-inline.c (inline_transform): Set
8670         always_inline_functions_inlined/after_inlining.
8671         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8672         (pass_fixup_cfg): New pass.
8673         * passes.c (init_optimization_passes): Add fixup_cfg.
8674
8675 2009-03-28  Richard Guenther  <rguenther@suse.de>
8676
8677         PR tree-optimization/38458
8678         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8679         argument use the arguments copy-of value.
8680
8681 2009-03-28  Richard Guenther  <rguenther@suse.de>
8682
8683         PR tree-optimization/38180
8684         * tree-ssa-ccp.c (get_default_value): Simplify.
8685         (likely_value): Likewise.
8686         (surely_varying_stmt_p): Properly handle VOP case.
8687         (ccp_initialize): Likewise.
8688         (ccp_fold): Handle propagating through *&.
8689         (fold_const_aggregate_ref): Also handle decls.
8690
8691 2009-03-28  Jan Hubicka  <jh@suse.cz>
8692
8693         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8694         * cgraph.h (cgraph_node): Likewise.
8695         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8696         (cgraph_reset_node): Use process flag.
8697         (cgraph_mark_functions_to_output): Likewise.
8698         (cgraph_expand_function): Likewise.
8699         (cgraph_expand_all_functions): Likewise.
8700         (cgraph_output_in_order): Likewise.
8701         * dwarf2out.c (reference_to_unused): Likewise.
8702         * passes.c do_per_function_toporder): Likewise.
8703
8704 2009-03-28  Jan Hubicka  <jh@suse.cz>
8705
8706         Bring from lto-branch:
8707
8708         2008-09-03  Doug Kwan  <dougkwan@google.com>
8709
8710         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8711         enums instead of reason strings.
8712         * cgraph.c (cgraph_create_edge): Same.
8713         (cgraph_inline_failed_string): New function.
8714         * cgraph.h (cgraph_inline_failed_t): New enum type.
8715         (cgraph_inline_failed_string): New prototype.
8716         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8717         char pointer to cgraph_inline_failed_t.
8718         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8719         (cgraph_default_inline_p): Ditto.
8720         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8721         to cgraph_inline_failed_t pointer.
8722         * cif-code.def: New file.
8723         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8724         reason string.
8725         (cgraph_check_inline_limits): Change type of REASON to pointer to
8726         cgraph_inline_failed_t.  Replace reason strings with enums.
8727         (cgraph_default_inline_p): Ditto.
8728         (cgraph_recursive_inlining_p): Ditto.
8729         (update_caller_keys): Change type of FAILED_REASON to
8730         cgraph_inline_failed_t.
8731         (cgraph_set_inline_failed): Change type of REASON to pointer to
8732         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8733         convert enums to strings for text output.
8734         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8735         to be of type cgraph_inline_failed_t.  Replace reason strings with
8736         enums.  Call cgraph_inline_failed_string to covert enums
8737         to strings for text output.
8738         (cgraph_decide_inlining): Replace reason strings with enums.
8739         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8740         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8741         for text output.
8742         * tree-inline.c (expand_call_inline): Change type of REASON
8743         to cgraph_inline_failed_t.  Replace reason strings with enums.
8744         Call cgraph_inline_failed_string for text output.
8745         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8746         (cgraph.o): Ditto.
8747
8748 2009-03-28  Jan Hubicka  <jh@suse.cz>
8749
8750         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8751         cgraph_clone_node): Remove master clone handling.
8752         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8753         * cgraph.h (master_clone): Remove.
8754         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8755         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8756         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8757
8758 2009-03-28  Jan Hubicka  <jh@suse.cz>
8759
8760         * cgraph.c (cgraph_function_body_availability): Functions declared
8761         inline are always safe to assume that it is not going to be replaced.
8762
8763 2009-03-28  Richard Guenther  <rguenther@suse.de>
8764
8765         PR tree-optimization/38513
8766         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8767         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8768         EXC_PTR_EXPR and FILTER_EXPR.
8769         (get_ref_from_reference_ops): Likewise.
8770
8771 2009-03-28  Richard Guenther  <rguenther@suse.de>
8772
8773         PR tree-optimization/38968
8774         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8775         Use FLOOR_MOD_EXPR to compute misalignment.
8776
8777 2009-03-28  Richard Guenther  <rguenther@suse.de>
8778
8779         PR tree-optimization/37795
8780         * tree.h (combine_comparisons): Declare.
8781         * fold-const.c (combine_comparisons): Export.
8782         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8783         comparisons.
8784         (ifcombine_iforif): Use combine_comparisons.
8785
8786 2009-03-28  Jan Hubicka  <jh@suse.cz>
8787
8788         * tree-eh.c (inlinable_call_p): New function.
8789         (make_eh_edges): Use it.
8790         (verify_eh_edges): Use it.
8791         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8792         * except.c (reachable_next_level): Add inlinable_function argument
8793         (sjlj_find_directly_reachable_regions): Update.
8794         (add_reachable_handler): Do not set saw_any_handlers.
8795         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8796         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8797         Add new inlinable call parameter.
8798         (can_throw_internal, can_throw_external): Update.
8799         * except.h (can_throw_internal_1, can_throw_external_1,
8800         foreach_reachable_handler): Update declaration.
8801
8802 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8803
8804         * config/arm/t-arm-coff, config/h8300/coff.h,
8805         config/i386/i386-aout.h, config/i386/i386-coff.h,
8806         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8807         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8808         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8809         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8810         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8811         sys-types.h: Remove.
8812         * Makefile.in: Remove protoize and fixproto support and references
8813         in comments.
8814         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8815         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8816         Remove.
8817         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8818         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8819         unprotoize$(exeext).
8820         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8821         (.PHONY): Don't depend on proto.
8822         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8823         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8824         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8825         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8826         build/gen-protos.o, build/scan.o, xsys-protos.h,
8827         build/fix-header$(build_exeext), build/fix-header.o,
8828         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8829         stmp-install-fixproto): Remove.
8830         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8831         SYSCALLS.c or fixproto files.
8832         (install-common): Don't install protoize.
8833         (install-headers-tar, install-headers-cpio, install-headers-cp):
8834         Don't depend on $(STMP_FIXPROTO).
8835         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8836         install fixproto files or write out fixproto settings.
8837         (uninstall): Don't uninstall protoize.
8838         * config.gcc (use_fixproto): Remove.
8839         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8840         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8841         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8842         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8843         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8844         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8845         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8846         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8847         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8848         * config/t-vxworks (STMP_FIXPROTO): Remove.
8849         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8850         STMP_FIXPROTO): Remove.
8851         * config.in, configure: Regenerate.
8852         * crtstuff.c (gid_t, uid_t): Don't undefine.
8853         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8854         (arm-*-coff, arm-*-aout: Remove target entries.
8855         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8856         Remove mention of AIX 4.1.
8857         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8858         * doc/invoke.texi (Running Protoize): Remove.
8859         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8860         (Protoize Caveats): Remove.
8861         * tsystem.h: Update comments on headers assumed to exist.
8862
8863 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8864
8865         * genautomata.c: Add a new year to the copyright.  Add a new
8866         reference.
8867         (struct insn_reserv_decl): Add comments for member bypass_list.
8868         (find_bypass): Remove.
8869         (insert_bypass): New.
8870         (process_decls): Use insert_bypass.
8871         (output_internal_insn_latency_func): Output all bypasses with the
8872         same input insn in one switch case.
8873
8874         * rtl.def (define_bypass): Describe bypass choice.
8875         * doc/md.texi (define_bypass): Ditto.
8876
8877 2009-03-27  Richard Guenther  <rguenther@suse.de>
8878
8879         * gimplify.c (mark_addressable): Export.
8880         * tree-flow.h (mark_addressable): Declare.
8881         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8882         * tree-ssa.c (verify_phi_args): Verify that address taken
8883         variables have TREE_ADDRESSABLE set.
8884
8885 2009-03-27  Richard Guenther  <rguenther@suse.de>
8886
8887         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8888         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8889         Do not mark decls TREE_ADDRESSABLE.
8890         (build_fold_addr_expr): Adjust.
8891         (fold_addr_expr): Remove.
8892         (fold_unary): Use build_fold_addr_expr.
8893         (fold_comparison): Likewise.
8894         (split_address_to_core_and_offset): Likewise.
8895         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8896         TREE_ADDRESSABLE.
8897         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8898         (gimplify_modify_expr_to_memcpy): Mark source and destination
8899         addressable.
8900         * omp-low.c (create_omp_child_function): Mark the object decl
8901         TREE_ADDRESSABLE.
8902         (lower_rec_input_clauses): Mark the var we take the address of
8903         TREE_ADDRESSABLE.
8904         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8905
8906 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8907
8908         PR middle-end/39315
8909         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8910         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8911
8912 2009-03-27  Richard Guenther  <rguenther@suse.de>
8913
8914         PR tree-optimization/39120
8915         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8916         constraints.
8917         (handle_lhs_call): Process return constraints.  Add escape
8918         constraints if necessary.
8919         (handle_const_call): Fill out return constraints.  Make nested
8920         case more precise.  Avoid consttmp if possible.
8921         (handle_pure_call): Fill out return constraints.  Avoid
8922         callused if possible.
8923         (find_func_aliases): Simplify call handling.
8924
8925 2009-03-27  Richard Guenther  <rguenther@suse.de>
8926
8927         PR tree-optimization/39120
8928         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8929         as a representative.
8930         (solve_graph): Do propagate CALLUSED.
8931         (handle_pure_call): Use a scalar constraint from CALLUSED for
8932         the return value.
8933         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8934         solutions.
8935
8936 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8937
8938         PR c/39323
8939         * c-common.c (handle_aligned_attribute): Properly check alignment
8940         overflow.  Use (1U << i) instead of (1 << i).
8941
8942         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8943
8944         * expr.h (get_mem_align_offset): Updated.
8945
8946         * tree.h (tree_decl_common): Change align to "unsigned int" and
8947         move it before pointer_alias_set.
8948
8949 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8950             Jakub Jelinek  <jakub@redhat.com>
8951
8952         PR target/38034
8953         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8954         gr_register_operand with gr_reg_or_0_operand.
8955         (cmpxchg_rel_di): Likewise.
8956         (sync_lock_test_and_set<mode>): Likewise.
8957
8958 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8959
8960         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8961         (true_regnum): Likewise.
8962
8963         * rtlanal.c (subreg_info): Moved to ...
8964         * rtl.h (subreg_info): Here.  New.
8965         (subreg_get_info): New.
8966
8967         * rtlanal.c (subreg_get_info): Make it extern.
8968
8969 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8970
8971         PR target/39472
8972         * config/i386/i386.c (ix86_abi): New.
8973         (override_options): Handle -mabi=.
8974         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8975         (ix86_call_abi_override): Likewise.
8976         (init_cumulative_args): Likewise.
8977         (function_arg_advance): Likewise.
8978         (function_arg_64): Likewise.
8979         (function_arg): Likewise.
8980         (ix86_pass_by_reference): Likewise.
8981         (ix86_function_value_regno_p): Likewise.
8982         (ix86_build_builtin_va_list_abi): Likewise.
8983         (setup_incoming_varargs_64): Likewise.
8984         (is_va_list_char_pointer): Likewise.
8985         (ix86_init_machine_status): Likewise.
8986         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8987         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8988         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8989         (ix86_function_abi): Make it static and return enum calling_abi.
8990         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8991         with ix86_abi.
8992         (ix86_fn_abi_va_list): Updated.
8993
8994         * config/i386/i386.h (ix86_abi): New.
8995         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8996         (CONDITIONAL_REGISTER_USAGE): Likewise.
8997         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8998         (machine_function): Likewise.
8999
9000         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9001         with ix86_abi.
9002         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9003         (STACK_BOUNDARY): Likewise.
9004         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9005
9006         * config/i386/i386.opt (mabi=): New.
9007
9008         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9009         return enum calling_abi.
9010         (ix86_function_type_abi): Likewise.
9011         (ix86_function_abi): Removed.
9012
9013         * doc/invoke.texi: Document -mabi= option for x86.
9014
9015 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9016
9017         * builtins.c (real_dconstp): Delete.
9018         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9019
9020 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9021             Jakub Jelinek  <jakub@redhat.com>
9022
9023         PR debug/37959
9024         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9025         (gen_subprogram_die): When a function is explicit, generate the
9026         DW_AT_explicit attribute.
9027         * langhooks.h (struct lang_hooks_for_decls): Add
9028         function_decl_explicit_p langhook.
9029         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9030         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9031
9032 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9033
9034         * builtins.c (fold_builtin_memory_op): Optimize memmove
9035         into memcpy if we can prove source and destination don't overlap.
9036
9037         * tree-inline.c: Include gt-tree-inline.h.
9038         (clone_fn_id_num): New variable.
9039         (clone_function_name): New function.
9040         (tree_function_versioning): Use it.
9041         * Makefile.in (GTFILES): Add tree-inline.c.
9042
9043 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9044
9045         * BASE-VER: Change to 4.5.0.
9046
9047 2009-03-27  Xinliang David Li  <davidxl@google.com>
9048
9049         PR tree-optimization/39557
9050         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9051
9052 2009-03-27  Xinliang David Li  <davidxl@google.com>
9053
9054         PR tree-optimization/39548
9055         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9056         candidate check.
9057
9058 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9059
9060         * c-common.c (pointer_int_sum): Use %wd on return from
9061         tree_low_cst.
9062
9063 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9064
9065         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9066         on return from tree_low_cst.
9067
9068 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9069
9070         PR c++/36799
9071         * ginclude/stdarg.h (va_copy): Define also for
9072         __GXX_EXPERIMENTAL_CXX0X__.
9073
9074 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9075
9076         PR c++/35652
9077         * builtins.h (c_strlen): Do not warn here.
9078         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9079         * c-common.c (pointer_int_sum): Take an explicit location.
9080         Warn about offsets out of bounds.
9081         * c-common.h (pointer_int_sum): Adjust declaration.
9082
9083 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9084
9085         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9086         markup glitch.
9087
9088 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9089
9090         PR c++/39554
9091         * opts.c (warn_if_disallowed_function_p): Don't assume
9092         get_callee_fndecl must return non-NULL.
9093
9094 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9095
9096         PR rtl-optimization/39522
9097         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9098         when reg_reloaded_valid is set.
9099
9100 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9101
9102         * config/spu/divv2df3.c: New file.
9103         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9104         (DPBIT_FUNCS): Filter out _div_df.
9105
9106 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9107
9108         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9109         a jump insn, count that jump in the distance to the loop start.
9110
9111 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9112
9113         PR target/39523
9114         * config/sh/sh.c (calc_live_regs): Fix condition for global
9115         registers except PIC_OFFSET_TABLE_REGNUM.
9116
9117 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9118
9119         PR/39518
9120         * doc/invoke.texi (-mconsole): New.
9121         (-mcygwin): New.
9122         (-mno-cygwin): New.
9123         (-mdll): New.
9124         (-mnop-fun-dllimport): New.
9125         (-mthread): New.
9126         (-mwin32): New.
9127         (-mwindows): New.
9128         (sub section "i386 and x86-64 Windows Options"): New.
9129
9130 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9131
9132         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9133         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9134
9135 2009-03-25  Richard Guenther  <rguenther@suse.de>
9136
9137         PR middle-end/39497
9138         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9139         of -Wno-error.
9140
9141 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9142
9143         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9144         neither of haifa/selective schedulers are working.
9145
9146 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9147
9148         * doc/invoke.texi (Debugging Options): Fix description of
9149         -fno-merge-debug-strings.
9150
9151 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9152
9153         * config/cris/libgcc.ver: New version-script.
9154         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9155
9156         * configure.ac <GAS features, nop mnemonic>: Add pattern
9157         crisv32-*-* for "nop".
9158         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9159         * configure: Regenerate.
9160
9161 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9162
9163         PR tree-optimization/39529
9164         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9165         mark_sym_for_renaming for the tag copied to the new vector
9166         pointer.
9167
9168 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9169
9170         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9171         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9172         EXTRA_SPEC_FUNCTIONS.
9173         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9174         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9175         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9176         -march and -mtune options.
9177
9178 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9179
9180         * config/m68k/t-rtems: Add m5329 multilib.
9181
9182 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9183             Jakub Jelinek  <jakub@redhat.com>
9184
9185         PR debug/39524
9186         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9187         nodes.
9188
9189 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9190
9191         PR c/39495
9192         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9193         instead of c_parser_expression_conv, if original_code isn't one of the
9194         4 allowed comparison codes, fail.
9195
9196 2009-03-23  Richard Guenther  <rguenther@suse.de>
9197
9198         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9199         * tree.h (struct tree_type): Likewise.
9200         * reload.h (struct insn_chain): Likewise.
9201         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9202         * function.h (struct function): Likewise.
9203         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9204
9205 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9206
9207         PR tree-optimization/39516
9208         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9209
9210 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9211
9212         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9213         should be set true if BITS_PER_WORD of target is bigger than 32
9214
9215 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9216
9217         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9218         Translate -B-options to -rpath-link.  Correct existing
9219         rpath-link and conditionalize on !nostdlib.
9220
9221 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9222
9223         * doc/extend.texi (Function Attributes, Variable Attributes):
9224         Fix typos.
9225         * doc/invoke.texi (Debugging Options, Optimize Options)
9226         (i386 and x86-64 Options, MCore Options): Likewise.
9227
9228 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9229
9230         PR debug/37890
9231         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9232         it for block local namespace aliases.
9233         (gen_decl_die): Pass context_die to gen_namespace_die.
9234
9235 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9236
9237         PR c/39495
9238         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9239         minimum or maximum value.
9240
9241 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9242
9243         * reginfo.c (globalize_reg): Recompute derived reg sets.
9244
9245 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9246
9247         PR target/39063
9248         * libgcc2.c (mprotect): Do not use signed arguments for
9249         VirtualProtect, use DWORD arguments.  Also fix the 'may
9250         be used uninitialized' warning for the np variable.
9251
9252 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9253
9254         PR target/39496
9255         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9256         functions using regparm calling conventions when not optimizing.
9257         (ix86_function_sseregparm): Similarly for sseregparm calling
9258         conventions.
9259
9260 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9261
9262         PR middle-end/39500
9263         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9264         dependence if the first conflict is after niter iterations.
9265
9266 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9267
9268         PR middle-end/38609
9269         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9270         functions with dynamic stack-pointer adjustments.
9271
9272 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9273
9274         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9275         option; change to -msdata=data.
9276
9277 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9278
9279         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9280         and -fopenmp.
9281
9282 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9283
9284         PR target/35180
9285         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9286
9287 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9288
9289         * doc/invoke.texi (Code Gen Options): Expand discussion of
9290         -fno-common.
9291
9292 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9293
9294         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9295         * matrix-reorg.c (struct matrix_info): Likewise.
9296         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9297         * rtl.h (struct mem_attrs): Likewise.
9298         * df.h (struct df): Likewise.
9299         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9300         * ira-int.h (struct ira_allocno): Likewise.
9301         * df-scan.c (struct df_collection_rec): Likewise.
9302         * ira.c (struct equivalence): Likewise.
9303         * function.c (struct temp_slot): Likewise.
9304         * cfgloop.h (struct loop): Likewise.
9305
9306         PR debug/39485
9307         * function.c (use_register_for_decl): When not optimizing, disregard
9308         register keyword for variables with types containing methods.
9309
9310 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9311
9312         PR middle-end/39447
9313         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9314         (is_simple_operand): Call contains_component_ref_p before calling data
9315         reference analysis that would fail on COMPONENT_REFs.
9316
9317         * tree-vrp.c (search_for_addr_array): Fix formatting.
9318
9319 2009-03-18  Richard Guenther  <rguenther@suse.de>
9320
9321         * tree-vect-transform.c (vect_loop_versioning): Fold the
9322         generated comparisons.
9323         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9324         (slpeel_tree_peel_loop_to_edge): Likewise.
9325
9326 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9327
9328         PR middle-end/37805
9329         * opts.c (print_specific_help): In addition to `undocumented',
9330         accept `separate' and `joined' flags if passed alone.  Describe
9331         output by the first matched one of those.
9332         (common_handle_option): Skip over empty strings.
9333         * gcc.c (display_help): Fix help string for `--help='.
9334         * doc/invoke.texi (Option Summary, Overall Options): With
9335         `--help=', classes and qualifiers can both be repeated, but
9336         only the latter can be negated.  One should not pass only
9337         negated qualifiers.  Fix markup and examples.
9338
9339         Revert
9340         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9341         PR middle-end/37805
9342         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9343         and -fhelp=separate.
9344
9345 2009-03-17  Jing Yu  <jingyu@google.com>
9346
9347         PR middle-end/39378
9348         * function.h (struct rtl_data): Move is_thunk from here...
9349         (struct function): ...to here.
9350         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9351         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9352         cfun.
9353         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9354         cfun.
9355         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9356         (alpha_output_function_end_prologue): Likewise.
9357         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9358         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9359         (rs6000_output_function_epilogue): Likewise.
9360         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9361
9362 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9363
9364         PR target/39482
9365         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9366         from different units in a single alternative.
9367         (*truncdfsf_i387): Ditto.
9368         (*truncxfsf2_mixed): Ditto.
9369         (*truncxfdf2_mixed): Ditto.
9370
9371 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9372
9373         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9374         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9375
9376         PR debug/39474
9377         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9378         unused non-artificial variables when not optimizing.
9379
9380         PR debug/39471
9381         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9382         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9383         NAMESPACE_DECL in its DECL_INITIAL.
9384
9385         PR middle-end/39443
9386         * optabs.c (set_user_assembler_libfunc): New function.
9387         * expr.h (set_user_assembler_libfunc): New prototype.
9388         * c-common.c: Include libfuncs.h.
9389         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9390         for memcmp, memset, memcpy, memmove and abort.
9391         * Makefile.in (c-common.o): Depend on libfuncs.h.
9392
9393         PR debug/39412
9394         * dwarf2out.c (gen_inlined_enumeration_type_die,
9395         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9396         gen_tagged_type_instantiation_die): Removed.
9397         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9398         do nothing.
9399
9400 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9401
9402         PR testsuite/38526
9403         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9404         its use.
9405         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9406         (check-parallel-%): Ditto.
9407         (check-consistency): Ditto.
9408
9409 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9410
9411         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9412         local variable rhs by NULL_TREE.
9413
9414 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9415
9416         PR target/39477
9417         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9418
9419 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9420
9421         PR target/39476
9422         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9423
9424 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9425
9426         PR target/39473
9427         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9428         for ms->sysv ABI calls only in 64bit mode.
9429
9430         * config/i386/i386.md (untyped_call): Support 32bit.
9431
9432 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9433
9434         * doc/extend.texi: Replace x86_65 with x86_64.
9435
9436 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9437
9438         PR tree-optimization/39455
9439         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9440         mismatches for POINTER_TYPE_P (type).
9441         (number_of_iterations_le): Likewise.
9442
9443 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9444
9445         * config/picochip/picochip.c: Removed profiling support.
9446         * config/picochip/picochip.md: Removed profiling instruction.
9447         * config/picochip/picochip.h: Removed profiling builtin.
9448
9449 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9450
9451         * doc/install.texi (--with-host-libstdcxx): Document.
9452
9453 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9454
9455         PR target/34299
9456         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9457         generate a warning if the function name does not begin with
9458         "__vector" and the function has either the 'signal' or 'interrupt'
9459         attribute, from here to ...
9460         (avr_declare_function_name): ...here. New function.
9461         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9462         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9463
9464 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9465
9466         PR bootstrap/39454
9467         * cse.c (fold_rtx): Don't modify original const_arg1 when
9468         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9469         separate variable instead.
9470         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9471         from out of range shift counts.
9472         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9473
9474 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9475
9476         * config/i386/x-mingw32 (host-mingw32.o): Replace
9477         diagnostic.h with $(DIAGNOSTIC_H).
9478
9479 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9480
9481         PR target/39431
9482         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9483         predicate.
9484         * config/i386/sync.md (sync_compare_and_swap<mode>,
9485         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9486         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9487         into a register.
9488         (sync_double_compare_and_swapdi_pic,
9489         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9490         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9491
9492 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9493
9494         PR target/39445
9495         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9496
9497 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9498
9499         PR target/39327
9500         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9501         (avx_addsubv4df3): Likewise.
9502         (*avx_addsubv4sf3): Likewise.
9503         (sse3_addsubv4sf3): Likewise.
9504
9505 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9506
9507         PR target/38824
9508         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9509
9510 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9511
9512         PR debug/39432
9513         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9514         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9515         registers for allocnos created from user-defined variables.
9516
9517 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9518
9519         PR target/39181
9520         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9521         of non-integer mode as well.
9522
9523 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9524
9525         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9526         for functions for which the parameter types are unknown.
9527
9528 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9529
9530         PR target/39137
9531         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9532         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9533         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9534         * config/i386/i386.c (ix86_local_alignment): For
9535         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9536         long long variables on the stack to avoid dynamic realignment.
9537         Allow the first argument to be a decl rather than type.
9538         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9539
9540 2009-03-11  Nick Clifton  <nickc@redhat.com>
9541
9542         PR target/5362
9543         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9544         options.
9545         Add description to mno-lsim option.
9546         * config/mcore/mcore.h: Remove comment about deprecated m4align
9547         option.
9548         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9549         * doc/invoke.texi: Add description of mno-lsim and
9550         mstack-increment options.
9551
9552         * config/fr30/fr30.opt: Document the -mno-lsim option.
9553         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9554         and -mno-lsim options.
9555
9556 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9557
9558         * fold-const.c (fold_comparison): Only call fold_inf_compare
9559         if the mode supports infinities.
9560
9561 2009-03-11  Jason Merrill  <jason@redhat.com>
9562
9563         PR debug/39086
9564         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9565         end already did.  Notice GIMPLE_CALL modifications of the result.
9566         Don't copy debug information from an ignored decl or a decl from
9567         another function.
9568
9569 2009-03-10  Richard Guenther  <rguenther@suse.de>
9570             Nathan Froyd  <froydnj@codesourcery.com>
9571
9572         PR middle-end/37850
9573         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9574         (__divMODE3): Likewise.
9575
9576 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9577
9578         PR tree-optimization/39394
9579         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9580         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9581
9582 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9583
9584         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9585         inline asms for register asm ("") declarations.
9586
9587 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9588
9589         * fold-const.c (fold_unary): Fix comment.
9590
9591 2009-03-07  Jan Hubicka  <jh@suse.cz>
9592
9593         PR target/39361
9594         * tree-inline.c (setup_one_parameter): Do replacement of const
9595         argument by constant in SSA form.
9596
9597 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9598
9599         PR middle-end/38028
9600         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9601         determine alignment passed to assign_stack_local.
9602         (assign_parms_unsplit_complex): Likewise.
9603         * except.c (sjlj_build_landing_pads): Likewise.
9604
9605 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9606
9607         PR middle-end/39360
9608         * tree-flow.h (add_referenced_var): Return bool instead of void.
9609         * tree-dfa.c (add_referenced_var): Return result of
9610         referenced_var_check_and_insert call.
9611         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9612         of referenced_var_check_and_insert.
9613
9614         PR debug/39372
9615         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9616         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9617         DIE, don't emit it if abstract origin already has it.
9618         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9619         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9620
9621 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9622
9623         * genpreds.c (needs_variable): Fix parentheses at variable name
9624         detection.
9625         (write_tm_constrs_h): Indent generated code.
9626
9627 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9628
9629         * doc/extend.texi (Function Attributes): Add documentation
9630         for isr attributes.
9631
9632 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9633
9634         PR debug/39387
9635         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9636         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9637
9638 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9639
9640         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9641         the loop as bad.
9642
9643 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9644
9645         PR debug/39379
9646         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9647         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9648
9649 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9650
9651         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9652         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9653         constants instead of magic numbers.
9654         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9655         (QI_REG_P): Ditto.
9656         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9657         (x86_64_ms_abi_int_parameter_registers): Ditto.
9658         (x86_64_int_return_registers): Ditto.
9659         (ix86_maybe_switch_abi): Ditto.
9660         (ix86_expand_call): Ditto for clobbered_registers array.
9661         (ix86_hard_regno_mode_ok): Ditto.
9662         (x86_extended_QIreg_mentioned_p): Ditto.
9663
9664 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9665
9666         PR tree-optimization/39349
9667         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9668
9669         * combine.c (gen_lowpart_for_combine): Use omode when generating
9670         clobber.
9671
9672 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9673
9674         PR rtl-optimization/39235
9675         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9676
9677 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9678
9679         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9680
9681 2009-03-04  Richard Guenther  <rguenther@suse.de>
9682
9683         PR tree-optimization/39362
9684         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9685         that occur in abnormal PHIs should be varying.
9686
9687 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9688
9689         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9690         Extend comments.
9691         (simple_iv):  Take loop as an argument instead of statement.
9692         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9693         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9694         to simple_iv.
9695         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9696         Ditto.
9697         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9698         * matrix-reorg.c (analyze_transpose): Ditto.
9699         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9700         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9701         * tree-predcom.c (ref_at_iteration): Ditto.
9702         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9703
9704 2009-03-04  Richard Guenther  <rguenther@suse.de>
9705
9706         PR tree-optimization/39358
9707         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9708         escaped_id and callused_id.
9709         (solve_graph): Likewise.
9710
9711 2009-03-04  Richard Guenther  <rguenther@suse.de>
9712
9713         PR tree-optimization/39339
9714         * tree-sra.c (try_instantiate_multiple_fields): Make it
9715         no longer ICE on the above.
9716
9717 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9718
9719         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9720         that fits within Pmode.
9721
9722 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9723
9724         PR middle-end/10109
9725         * tm.texi (LIBCALL_VALUE): Update description.
9726
9727 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9728
9729         PR middle-end/34443
9730         * doc/extend.texi (section): Update description.
9731
9732 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9733
9734         PR middle-end/39345
9735         * tree-inline.c (remapped_type): New.
9736         (can_be_nonlocal): Call remapped_type instead of remap_type.
9737
9738 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9739
9740         PR fortran/39354
9741         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9742         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9743
9744 2009-03-03  Richard Guenther  <rguenther@suse.de>
9745
9746         PR middle-end/39272
9747         * tree.c (tree_nonartificial_location): New function.
9748         * tree.h (tree_nonartificial_location): Declare.
9749         * builtins.c (expand_builtin_memory_chk): Provide location
9750         of the call location for artificial function pieces.
9751         (maybe_emit_chk_warning): Likewise.
9752         (maybe_emit_sprintf_chk_warning): Likewise.
9753         (maybe_emit_free_warning): Likewise.
9754         * expr.c (expand_expr_real_1): Likewise.
9755
9756 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9757
9758         PR tree-optimization/39343
9759         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9760         COMPONENT_REF t has ARRAY_TYPE.
9761
9762 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9763
9764         PR middle-end/39335
9765         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9766         when the type precision of the induction variable should be
9767         larger than the type precision of nit.
9768         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9769         * graphite.c (graphite_loop_normal_form): Same.
9770         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9771
9772 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9773
9774         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9775         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9776         numbers to describe clobbered registers.
9777         (*call_value_0_rex64_ms_sysv): Ditto.
9778         * config/i386/mmx.md (mmx_emms): Ditto.
9779         (mmx_femms): Ditto.
9780
9781 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9782
9783         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9784         of ABI_64.
9785
9786 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9787
9788         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9789         (spu_section_type_flags): New function.
9790
9791 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9792
9793         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9794         reg_class_contents of FLOAT_REGS into a temporary.
9795
9796 2009-03-02  Richard Guenther  <rguenther@suse.de>
9797             Ira Rosen  <irar@il.ibm.com>
9798
9799         PR tree-optimization/39318
9800         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9801         information to the vectorized statement.
9802
9803 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9804
9805         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9806         variable.  Use defined names instead of magic constants for REX SSE
9807         registers.
9808
9809 2009-03-01  Richard Guenther  <rguenther@suse.de>
9810
9811         PR tree-optimization/39331
9812         * omp-low.c (lower_send_shared_vars): Do not receive new
9813         values for the reference of DECL_BY_REFERENCE parms or results.
9814
9815 2009-03-01  Jan Hubicka  <jh@suse.cz>
9816
9817         PR debug/39267
9818         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9819         BLOCK_NONLOCALIZED_VAR): New macros.
9820         (tree_block): Add nonlocalized_vars.
9821         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9822         gen_decl_die): Add origin argument.  Allow generation of die with
9823         origin at hand only.
9824         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9825         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9826         of gen_*.
9827         (gen_block_die): Fix checking for unused blocks.
9828         (process_scope_var): Break out from .... ; work with origins only.
9829         (decls_for_scope) ... here; process nonlocalized list.
9830         (dwarf2out_ignore_block): Look for nonlocalized vars.
9831         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9832         vars.
9833         (dump_scope_block): Dump them.
9834         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9835         (remap_block): Likewise.
9836         (can_be_nonlocal): New predicate.
9837         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9838
9839 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9840
9841         * configure: Regenerate.
9842
9843 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9844
9845         * optc-gen.awk: No need to duplicate option flags twice.
9846         Reuse help texts for duplicate options which do not have any.
9847
9848         * gcc.c (display_help): Document --version.
9849
9850         * gcc.c (main): If print_help_list and verbose_flag, ensure
9851         driver output comes before subprocess output.
9852
9853         * optc-gen.awk: Assign all remaining fields to help string,
9854         space-separated, for multi-line help in *.opt.
9855
9856         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9857         -Wno-pedantic-ms-format is for MinGW targets only.
9858
9859         * doc/options.texi (Option file format): Fix bad indentation,
9860         restoring dropped sentence.
9861
9862 2009-02-28  Jan Hubicka  <jh@suse.cz>
9863
9864         * tree-inline.c (tree_function_versioning): Output debug info.
9865
9866 2009-02-28  Jan Hubicka  <jh@suse.cz>
9867
9868         PR debug/39267
9869         * tree-inline.c (setup_one_parameter): Do not copy propagate
9870         arguments when not optimizing.
9871
9872 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9873
9874         PR target/39327
9875         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9876         (avx_addsubv4df3): Likewise.
9877         (*avx_addsubv4sf3): Likewise.
9878         (sse3_addsubv4sf3): Likewise.
9879         (*avx_addsubv2df3): Likewise.
9880         (sse3_addsubv2df3): Likewise.
9881         (avx_unpckhps256): Correct item selectors.
9882         (avx_unpcklps256): Likewise.
9883         (avx_unpckhpd256): Likewise.
9884         (avx_unpcklpd256): Likewise.
9885
9886 2009-02-28  Jan Hubicka  <jh@suse.cz>
9887
9888         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9889         static vars.
9890         (copy_arguments_for_versioning): If var is declared don't declare it.
9891         (tree_function_versioning): First setup substitutions and then copy
9892         args.
9893
9894 2009-02-27  Jan Hubicka  <jh@suse.cz>
9895
9896         PR debug/39267
9897         * cgraph.h (varpool_output_debug_info): Remove.
9898         * cgraphunit.c (varpool_output_debug_info): Remove.
9899         * dwarf2out.c (deferred_locations_struct): New struct
9900         (deferred_locations): New type.
9901         (deferred_locations_list): New static var.
9902         (deffer_location): New function.
9903         (gen_variable_die): Use it.
9904         (decls_for_scope): Output info on local static vars.
9905         (dwarf2out_finish): Process deferred locations.
9906         * varpool.c (varpool_output_debug_info): Remove.
9907
9908 2009-02-27  Jan Hubicka  <jh@suse.cz>
9909
9910         PR debug/39267
9911         * tree.h (TREE_PROTECTED): Fix comment.
9912         (BLOCK_HANDLER_BLOCK): Remove.
9913         (struct tree_block): Remove handler_block add body_block.
9914         (inlined_function_outer_scope_p): New.
9915         (is_body_block): Remove.
9916         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9917         * dwarf2out.c (is_inlined_entry_point): Remove.
9918         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9919         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9920         code.
9921         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9922         * gimplify.c (gimplify_expr): Gimplify body blocks.
9923         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9924         block with multiple subblocks.
9925         (dump_scope_block): Prettier output; dump more flags and info.
9926         (dump_scope_blocks): New.
9927         (remove_unused_locals): Use dump_scope_blocks.
9928         * tree-flow.h (dump_scope_blocks): Declare.
9929         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9930         * stmt.c (is_body_block): Remove.
9931         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9932         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9933
9934 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9935
9936         PR middle-end/39308
9937         * graphite.c (graphite_loop_normal_form): Do not call
9938         number_of_iterations_exit from a gcc_assert.
9939
9940 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9941
9942         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9943         jumps if COND is NULL.
9944         (find_cond_jump): New function.
9945         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9946         * config/s390/s390.md: Remove z10_cobra attribute value.
9947
9948 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9949
9950         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9951         force_const_mem returns NULL_RTX.
9952
9953 2009-02-26  Jan Hubicka  <jh@suse.cz>
9954
9955         PR debug/39267
9956         * cgraph.h (varpool_output_debug_info): Remove.
9957         * cgraphunit.c (varpool_output_debug_info): Remove.
9958         * dwarf2out.c (deferred_locations_struct): New struct
9959         (deferred_locations): New type.
9960         (deferred_locations_list): New static var.
9961         (deffer_location): New function.
9962         (gen_variable_die): Use it.
9963         (decls_for_scope): Output info on local static vars.
9964         (dwarf2out_finish): Process deferred locations.
9965         * varpool.c (varpool_output_debug_info): Remove.
9966
9967 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9968
9969         PR rtl-optimization/39241
9970         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9971         to subreg_offset_representable_p.
9972
9973 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9974
9975         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9976         execute function prototype.  Get f and nregs from max_reg_num
9977         and get_insns.  Remove the first backward pass as it's dead,
9978         guard the forward pass by flag_expensive_optimizations.
9979         (rest_of_handle_regmove): Delete.
9980         (pass_regmove): Replace it with regmove_optimize.
9981
9982 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9983
9984         PR tree-optimization/39259
9985         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9986         calls_alloca function flags.
9987         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9988         calls are detected.
9989
9990 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9991
9992         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9993         flags_set_1_rtx, flags_set_1_set): Delete.
9994         (regmove_optimize): Do not call mark_flags_life_zones.
9995
9996 2009-02-24  Julian Brown  <julian@codesourcery.com>
9997
9998         PR target/35965
9999         * config/arm/arm.c (require_pic_register): Only set
10000         cfun->machine->pic_reg once per function.
10001
10002 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10003
10004         * doc/invoke.texi (Link Options): Document an easier way to pass
10005         options that take arguments to the GNU linker using -Xlinker and -Wl.
10006
10007 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10008
10009         PR target/33785
10010         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10011
10012 2009-02-24  Richard Guenther  <rguenther@suse.de>
10013
10014         PR debug/39285
10015         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10016
10017 2009-02-24  Richard Guenther  <rguenther@suse.de>
10018             Zdenek Dvorak  <ook@ucw.cz>
10019
10020         PR tree-optimization/39233
10021         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10022         from converting them to a generic type.
10023
10024 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10025
10026         PR tree-optimization/39260
10027         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10028         contains a condition with a real type.
10029         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10030
10031 2009-02-23  Jason Merrill  <jason@redhat.com>
10032
10033         PR c++/38880
10034         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10035         narrowing_initializer_constant_valid_p.
10036         (narrowing_initializer_constant_valid_p): Don't return
10037         null_pointer_node for adding a pointer to itself.
10038
10039 2009-02-23  Jan Hubicka  <jh@suse.cz>
10040
10041         PR c/12245
10042         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10043         resizing.
10044
10045 2009-02-23  Jan Hubicka  <jh@suse.cz>
10046
10047         PR tree-optimization/37709
10048         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10049         * tree.h (block_ultimate_origin): Declare.
10050         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10051         * tree-ssa-live.c (remove_unused_scope_block_p):
10052         Eliminate blocks containig no instructions nor live variables nor
10053         nested blocks.
10054         (dump_scope_block): New function.
10055         (remove_unused_locals): Enable removal of dead blocks by default;
10056         enable dumping at TDF_DETAILS.
10057
10058 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10059
10060         * config/i386/i386.c (classify_argument): Don't allow COImode
10061         and OImode.
10062         (function_arg_advance_32): Don't allow OImode.
10063         (function_arg_32): Likewise.
10064         (function_value_32): Likewise.
10065         (return_in_memory_32): Likewise.
10066         (function_arg_64): Remove OImode comment.
10067
10068 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10069
10070         PR target/39261
10071         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10072         ix86_expand_vector_set for V4DImode in 64bit mode only.
10073         (ix86_expand_vector_init_one_var): Likewise.
10074
10075 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10076
10077         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10078
10079 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10080
10081         PR bootstrap/39257
10082         * loop-iv.c: Revert last change.
10083         * emit-rtl.c: Likewise.
10084
10085 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10086
10087         PR target/39256
10088         * config/i386/i386.c (type_natural_mode): Remove an extra
10089         space in the warning message.
10090         (function_value_32): Handle 32-byte vector modes.
10091         (return_in_memory_32): Likewise.
10092
10093 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10094
10095         * loop-iv.c (truncate_value): New function.
10096         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10097         of lowpart_subreg.
10098         (lowpart_subreg): Move to...
10099         * emit-rtl.c: ...here.
10100
10101 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10102
10103         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10104         accidental and undocumented change at revision 140860.
10105
10106 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10107
10108         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10109         take gimple_seq * arguments.
10110         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10111         types_compatible_p langhook.
10112
10113 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10114             Joseph Myers  <joseph@codesourcery.com>
10115
10116         * config/arm/arm.c (arm_builtin_va_list): New function.
10117         (arm_expand_builtin_va_start): Likewise.
10118         (arm_gimplify_va_arg_expr): Likewise.
10119         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10120         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10121         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10122         (va_list_type): New variable.
10123         (arm_mangle_type): Mangle va_list_type appropriately.
10124
10125 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10126
10127         PR middle-end/39157
10128         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10129         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10130         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10131         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10132         parameter to 1000 for -O1 by default.
10133         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10134         parameter.
10135         * loop-invariant.c: Include params.h.
10136         (move_loop_invariants): Don't call move_single_loop_invariants on
10137         very large loops.
10138
10139 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10140
10141         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10142         offset when calculating bounds for indexing stack_usage_map.  Fixes
10143         a buffer overflow with certain target setups.
10144
10145 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10146
10147         PR target/39240
10148         * calls.c (expand_call): Clear try_tail_call if caller and callee
10149         disagree in promotion of function return value.
10150
10151 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10152
10153         PR target/39175
10154         * c-common.c (c_determine_visibility): If visibility changed and
10155         DECL_RTL has been already set, call make_decl_rtl to update symbol
10156         flags.
10157
10158 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10159
10160         PR c++/39188
10161         * varasm.c (assemble_variable): Don't check DECL_NAME when
10162         globalizing a variable.
10163
10164 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10165
10166         PR c/38483
10167         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10168         expression before any __builtin_trap call.
10169         * c-typeck.c (build_function_call): Convert and check function
10170         arguments before generating a call to a trap.  Evaluate the
10171         function arguments before the trap.
10172
10173 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10174
10175         PR target/39228
10176         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10177         (UNSPEC_FXAM_MEM): New unspec.
10178         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10179         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10180         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10181
10182 2009-02-19  Richard Guenther  <rguenther@suse.de>
10183
10184         PR tree-optimization/39207
10185         PR tree-optimization/39074
10186         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10187         storedanything_tree): New.
10188         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10189         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10190         (build_succ_graph): Add edges from STOREDANYTHING to all
10191         non-direct nodes.
10192         (init_base_vars): Initialize STOREDANYTHING.
10193         (compute_points_to_sets): Free substitution info after
10194         building the succ graph.
10195         (ipa_pta_execute): Likewise.
10196
10197         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10198         field.
10199         (do_ds_constraint): Do not add to special var or non-pointer
10200         field solutions.
10201         (type_could_have_pointers): Split out from ...
10202         (could_have_pointers): ... here.  For arrays use the element type.
10203         (create_variable_info_for): Initialize may_have_pointers.
10204         (new_var_info): Likewise.
10205         (handle_lhs_call): Make the HEAP variable unknown-sized.
10206         (intra_create_variable_infos): Use a type with pointers for
10207         PARM_NOALIAS, make it unknown-sized.
10208
10209 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10210
10211         PR target/39224
10212         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10213
10214 2009-02-18  Jason Merrill  <jason@redhat.com>
10215
10216         PR target/39179
10217         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10218         value if DECL_EXTERNAL.
10219         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10220         * target.h (gcc_target::binds_local_p): Clarify "module".
10221         * tree.h (TREE_PUBLIC): Clarify "module".
10222
10223 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10224
10225         PR target/38891
10226         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10227         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10228
10229 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10230
10231         PR target/39082
10232         * c.opt (Wabi): Support C and ObjC.
10233         (Wpsabi): New.
10234
10235         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10236
10237         * config/i386/i386.c (classify_argument): Warn once about the ABI
10238         change when passing union with long double.
10239
10240         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10241
10242 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10243
10244         PR c/35447
10245         * c-parser.c (c_parser_compound_statement): Always enter and leave
10246         a scope.
10247
10248 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10249
10250         PR target/34587
10251         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10252
10253 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10254
10255         PR tree-optimization/36922
10256         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10257         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10258         Likewise.
10259
10260 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10261
10262         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10263         to 0 for EABI64.
10264
10265 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10266
10267         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10268
10269 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10270
10271         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10272         tree sharing.
10273
10274 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10275             Richard Sandiford  <rdsandiford@googlemail.com>
10276
10277         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10278         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10279         (loongson_biadd): ...this.
10280
10281 2009-02-17  Richard Guenther  <rguenther@suse.de>
10282
10283         PR tree-optimization/39202
10284         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10285         a var make sure to follow existing collapses.
10286
10287 2009-02-17  Richard Guenther  <rguenther@suse.de>
10288
10289         PR middle-end/39214
10290         * langhooks.c (lhd_print_error_function): Check for NULL block.
10291
10292 2009-02-17  Richard Guenther  <rguenther@suse.de>
10293
10294         PR tree-optimization/39204
10295         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10296         of the PHI arg.
10297
10298 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10299
10300         * config/soft-fp/double.h: Update from glibc CVS.
10301
10302 2009-02-17  Richard Guenther  <rguenther@suse.de>
10303
10304         PR tree-optimization/39207
10305         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10306         strict-aliasing warnings for pointers pointing to NULL.
10307
10308 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10309
10310         PR c/35446
10311         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10312         skipping until next close brace.
10313
10314 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10315
10316         PR target/37049
10317         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10318         to function argument boundary.
10319
10320 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10321
10322         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10323         in the lea_add. Reload eventually constraints it properly.
10324         * config/picochip/constraints.md: Remove the target constraint
10325         "b", since it is not needed anymore.
10326
10327 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10328
10329         * gthr-dce.h: Uglify function parameter and local variable names.
10330         * gthr-gnat.h: Likewise.
10331         * gthr-mipssde.h: Likewise.
10332         * gthr-nks.h: Likewise.
10333         * gthr-posix95.h: Likewise.
10334         * gthr-posix.h: Likewise.
10335         * gthr-rtems.h: Likewise.
10336         * gthr-single.h: Likewise.
10337         * gthr-solaris.h: Likewise.
10338         * gthr-tpf.h: Likewise.
10339         * gthr-vxworks.h: Likewise.
10340         * gthr-win32.h: Likewise.
10341
10342 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10343
10344         PR target/39196
10345         * config/i386/i386.md: Restrict the new peephole2 to move
10346         between MMX/SSE registers.
10347
10348 2009-02-15  Richard Guenther  <rguenther@suse.de>
10349
10350         Revert
10351         2009-02-13  Richard Guenther  <rguenther@suse.de>
10352
10353         * configure.ac: Enable LFS.
10354         * configure: Re-generate.
10355         * config.in: Likewise.
10356
10357 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10358
10359         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10360         spu_srqwbyte, spu_srqwbytebc): Define.
10361         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10362         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10363         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10364         "shrqby_<mode>"): New insn-and-split patterns.
10365         * config/spu/spu.c (expand_builtin_args): Determine and return
10366         number of operands using spu_builtin_description data.
10367         (spu_expand_builtin_1): Use it.
10368
10369 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10370
10371         PR target/38056
10372         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10373         TARGET_CONST_GP.
10374
10375 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10376
10377         PR target/39149
10378         * config/i386/i386.c (override_options): Correct warning
10379         messages for -malign-loops, -malign-jumps and -malign-functions.
10380
10381 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10382
10383         PR target/39152
10384         * config/i386/i386.md: Restrict the new peephole2 to move
10385         between the general purpose registers.
10386
10387 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10388
10389         PR target/39162
10390         * config/i386/i386.c (type_natural_mode): Add a new argument.
10391         Return the original mode and warn ABI change if vector size is 32byte.
10392         (function_arg_advance): Updated.
10393         (function_arg): Likewise.
10394         (ix86_function_value): Likewise.
10395         (ix86_return_in_memory): Likewise.
10396         (ix86_sol10_return_in_memory): Likewise.
10397         (ix86_gimplify_va_arg): Likewise.
10398         (function_arg_32): Don't warn ABX ABI change here.
10399         (function_arg_64): Likewise.
10400
10401 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10402
10403         * loop-iv.c (implies_p): In the final case, test that operands 0
10404         of the two comparisons match.
10405
10406         * config/bfin/bfin.c (find_prev_insn_start): New function.
10407         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10408         (find_next_insn_start): Move.
10409
10410 2009-02-13  Richard Guenther  <rguenther@suse.de>
10411
10412         * configure.ac: Enable LFS.
10413         * configure: Re-generate.
10414         * config.in: Likewise.
10415
10416 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10417
10418         PR c/35444
10419         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10420         sizes on syntax error after some arguments have been parsed.
10421
10422 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10423
10424         * doc/invoke.texi (-fira): Remove.
10425
10426 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10427
10428         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10429         * recog.c: Likewise.
10430         * rtl.h: Likewise.
10431
10432 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10433
10434         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10435         (umul_ppmm): Likewise.
10436         (count_leading_zeros): Likewise.
10437         (count_trailing_zeros): Likewise.
10438         (UMUL_TIME): Likewise.
10439
10440 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10441
10442         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10443         soft-fp/t-softfp to tmake_file.
10444
10445         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10446         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10447         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10448         IA64_BUILTIN_INFQ]: New.
10449         (ia64_init_builtins): Initialize __builtin_infq,
10450         __builtin_fabsq and __builtin_copysignq if not HPUX.
10451         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10452         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10453
10454         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10455         SHARED is defined.
10456         (__fixtfti): Likewise.
10457         (__fixunstfti): Likewise.
10458         (__floattitf): Likewise.
10459
10460         * config/ia64/libgcc-glibc.ver: New.
10461         * config/ia64/t-fprules-softfp: Likewise.
10462         * config/ia64/sfp-machine.h: Likewise.
10463
10464         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10465         (LIBGCC2_TF_CEXT): Likewise.
10466         (TF_SIZE): Likewise.
10467         (TARGET_INIT_LIBFUNCS): Likewise.
10468
10469         * config/ia64/t-glibc (SHLINB_MAPFILES):
10470         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10471
10472 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10473
10474         * config/i386/i386.c (construct_container): Rewrite processing
10475         BLKmode with X86_64_SSE_CLASS.
10476
10477 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10478
10479         PR target/39152
10480         * config/i386/i386.md: Replace simplify_replace_rtx with
10481         replace_rtx in the new peephole2.
10482
10483 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10484
10485         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10486         loop unrolling do not happen at -O2.
10487
10488 2009-02-12  Michael Matz  <matz@suse.de>
10489
10490         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10491
10492 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10493
10494         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10495         for -g3.
10496
10497 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10498
10499         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10500         patterns when updating the back chain.  Missed in the 2009-02-10
10501         change.
10502
10503 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10504
10505         * doc/extend.texi (Decimal Floating Types): Update identifier of
10506         draft TR and list of missing support.
10507
10508 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10509
10510         PR middle-end/39154
10511         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10512         bit to variable length decl's flags, add it also to its
10513         pointer replacement variable.
10514
10515 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10516             Jakub Jelinek  <jakub@redhat.com>
10517
10518         PR target/39118
10519         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10520         (memory_blockage): New expander.
10521         (*memory_blockage): New insn pattern.
10522         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10523         instead of general blockage at the end of function prologue when
10524         frame pointer is used to access red zone area.  Do not emit blockage
10525         when profiling, it is emitted in generic code.
10526         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10527         function epilogue when frame pointer is used to access red zone area.
10528
10529 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10530
10531         PR target/38824
10532         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10533         by arithmetic with memory operands.
10534         * config/i386/predicates.md (commutative_operator): New.
10535
10536 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10537
10538         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10539         bulleted lists.
10540
10541 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10542
10543         * alias.h (record_alias_subset): Declare.
10544         * alias.c (record_alias_subset): Make global.
10545
10546 2009-02-10  Nick Clifton  <nickc@redhat.com>
10547
10548         * tree-parloops.c: Change license to GPLv3.
10549         * ipa-struct-reorg.c: Change license to GPLv3.
10550         * ipa-struct-reorg.h: Change license to GPLv3.
10551
10552 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10553
10554         PR c/39084
10555         * c-decl.c (start_struct): Return NULL on error.
10556
10557 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10558
10559         PR middle-end/39124
10560         * cfgloopmanip.c (remove_path): Call remove_bbs after
10561         cancel_loop_tree, not before it.
10562
10563         PR target/39139
10564         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10565         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10566         VAR_DECLs were seen.
10567         * tree-ssa-live.c (remove_unused_locals): Recompute
10568         cfun->has_local_explicit_reg_vars.
10569         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10570         copies or clearings if cfun->has_local_explicit_reg_vars.
10571
10572 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10573
10574         PR target/39118
10575         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10576         of function prologue when frame pointer is used to access
10577         red zone area.
10578
10579 2009-02-10  Richard Guenther  <rguenther@suse.de>
10580
10581         PR middle-end/39127
10582         * gimplify.c (gimple_regimplify_operands): Always look if
10583         we need to create a temporary.
10584
10585 2009-02-10  Richard Guenther  <rguenther@suse.de>
10586
10587         PR tree-optimization/39132
10588         * tree-loop-distribution.c (todo): New global var.
10589         (generate_memset_zero): Trigger TODO_rebuild_alias.
10590         (tree_loop_distribution): Return todo.
10591
10592 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10593
10594         PR target/39119
10595         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10596         (x86_64_reg_class_name): Removed.
10597         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10598         first one isn't X86_64_SSE_CLASS or any other ones aren't
10599         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10600         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10601         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10602         and 3 X86_64_SSEUP_CLASS.
10603         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10604         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10605
10606 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10607
10608         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10609         form instruction to update the stack back chain word, even if the
10610         user has disabled the generation of update instructions.
10611         (movdi_<mode>_update_stack): New.
10612         (movsi_update_stack): Likewise.
10613         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10614         always use an update form instruction to update the stack back
10615         chain word.
10616
10617 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10618
10619         PR middle-end/38953
10620         * graphite.c (if_region_set_false_region): After moving a region in
10621         the false branch of a condition, remove the empty dummy basic block.
10622         (gloog): Remove wrong fix for PR38953.
10623
10624 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10625
10626         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10627         generation due to implicit sign extension.
10628
10629 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10630
10631         PR middle-end/38981
10632         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10633         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10634
10635 2009-02-09  Richard Guenther  <rguenther@suse.de>
10636
10637         PR middle-end/35202
10638         * convert.c (convert_to_real): Disable (float)fn((double)x)
10639         to fnf(x) conversion if errno differences may occur and
10640         -fmath-errno is set.
10641
10642 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10643
10644         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10645         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10646         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10647
10648 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10649
10650         PR c/35434
10651         * c-common.c (handle_alias_attribute): Disallow attribute for
10652         anything not a FUNCTION_DECL or VAR_DECL.
10653
10654 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10655
10656         PR c/39035
10657         * real.c (do_compare): Special-case compare of zero against
10658         decimal float value.
10659
10660 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10661
10662         PR c/36432
10663         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10664         as indicating flexible array members unless the field itself is
10665         being declarared as the incomplete array.
10666
10667 2009-02-06  Jan Hubicka  <jh@suse.cz>
10668
10669         PR tree-optimization/38844
10670         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10671         is already inlined.
10672
10673 2009-02-06  Richard Guenther  <rguenther@suse.de>
10674
10675         PR middle-end/38977
10676         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10677         fork because we may expand it as __gcov_fork.
10678
10679 2009-02-06  Nick Clifton  <nickc@redhat.com>
10680
10681         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10682
10683 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10684
10685         PR tree-optimization/35659
10686         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10687         vn_phi_eq): Shortcut if hashcode does not match.
10688         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10689         NULL operands.
10690         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10691         and avoid iterative_hash_expr.
10692         (FOR_EACH_VALUE_ID_IN_SET): New.
10693         (value_id_compare): Remove.
10694         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10695         sort expressions by value id.
10696
10697 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10698
10699         PR target/38991
10700         * config/sh/predicates.md (general_movsrc_operand): Don't check
10701         the subreg of system registers here.
10702
10703 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10704
10705         PR c++/39106
10706         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10707         on the copied decl.
10708
10709 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10710
10711         PR rtl-optimization/39110
10712         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10713         addresses, not aligned ones.
10714
10715 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10716             Richard Guenther  <rguenther@suse.de>
10717
10718         PR tree-optimization/39100
10719         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10720         comment says and add edges.
10721
10722 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10723
10724         PR c/35435
10725         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10726         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10727
10728 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10729
10730         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10731         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10732         register_bb_in_sese, new_sese, free_sese): Moved.
10733         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10734         outermost_loop_in_scop, build_scop_iteration_domain,
10735         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10736         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10737         Use loop_in_sese_p instead of loop_in_scop_p.
10738         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10739         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10740         (scopdet_basic_block_info): Fix bug in scop detection.
10741         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10742         eq_loop_to_cloog_loop): Remove.
10743         (nb_loops_around_loop_in_scop, nb_loop
10744         ref_nb_loops): Moved here...
10745         * graphite.h (ref_nb_loops): ... from here.
10746         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10747         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10748         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10749         * testsuite/gcc.dg/graphite/scop-19.c: New
10750
10751 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10752             Hans-Peter Nilsson  <hp@axis.com>
10753
10754         PR rtl-optimization/37889
10755         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10756         Move offset handling from PLUS to before the switch.  Use new
10757         arguments when considering SYMBOL_REFs too.
10758         (rtx_addr_can_trap_p): Pass dummy offset and size.
10759         (enum may_trap_p_flags): Remove.
10760         (may_trap_p_1): Pass size from MEM_SIZE.
10761
10762         PR rtl-optimization/38921
10763         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10764         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10765         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10766         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10767
10768 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10769
10770         AVX Programming Reference (January, 2009)
10771         * config/i386/sse.md (*vpclmulqdq): New.
10772
10773 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10774
10775         PR tree-optimization/38977
10776         PR gcov-profile/38292
10777         * calls.c (special_function_p): Disregard __builtin_ prefix.
10778
10779 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10780
10781         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10782         non-indexable addresses even before reload.
10783
10784 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10785
10786         PR c/29129
10787         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10788         as having variable size.  Do not give an error for unnamed
10789         parameters with [*] declarators.  Give a warning for type names
10790         with [*] declarators and mark them as variable size.
10791         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10792         for sizeof applied to [*] type names.
10793
10794 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10795
10796         PR C++/36607
10797         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10798
10799 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10800
10801         * gcc.c (process_command): Update copyright notice dates.
10802         * gcov.c (print_version): Likewise.
10803         * gcov-dump.c (print_version): Likewise.
10804         * mips-tfile.c (main): Likewise.
10805         * mips-tdump.c (main): Likewise.
10806
10807 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10808
10809         PR c/35433
10810         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10811         for composite type involving a zero-length array type.
10812
10813 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10814
10815         PR target/35318
10816         * function.c (match_asm_constraints_1): Skip over
10817         initial optional % in the constraint.
10818
10819         PR inline-asm/39059
10820         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10821         supported, don't accept FIXED_CSTs.
10822         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10823         and _Sat is used without _Fract/_Accum.  Set specs->type to
10824         integer_type_node for cts_fract/cts_accum if fixed point is not
10825         supported.
10826
10827 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10828
10829         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10830
10831 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10832
10833         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10834         (ABI_HAS_64BIT_SYMBOLS): Use it.
10835         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10836
10837 2009-02-02  Paul Brook  <paul@codesourcery.com>
10838
10839         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10840
10841 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10842
10843         PR inline-asm/39058
10844         * recog.h (asm_operand_ok): Add constraints argument.
10845         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10846         recurse on matching constraint.
10847         (check_asm_operands): Pass constraints as 3rd argument to
10848         asm_operand_ok.  Don't look up matching constraint here.
10849         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10850         to asm_operand_ok.
10851
10852 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10853
10854         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10855         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10856
10857 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10858
10859         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10860         information.  Remove some obsolete information.  Reorganize.
10861
10862         * config/pa/fptr.c: Revert license to GPL 2.
10863         * config/pa/milli64.S: Likewise.
10864
10865 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10866
10867         PR target/38904
10868         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10869         LIBRARY name in, instead of hard-coding it.
10870         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10871         extra target make frag to tmake_files according to EH model.
10872         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10873         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10874         frags that define makefile variable EH_MODEL appropriately.
10875         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10876         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10877         to "-sjlj" according to type of EH configured.
10878         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10879         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10880         to "_sjlj" according to type of EH configured.
10881         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10882         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10883         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10884         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10885         string value of "pe_dll" command-line option.
10886         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10887         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10888         (SHLIB_IMPLIB):  Override t-cygming default.
10889         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10890         string value of "pe_dll" command-line option.
10891
10892 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10893
10894         PR target/38952
10895         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10896         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10897
10898 2009-01-31  Richard Guenther  <rguenther@suse.de>
10899
10900         PR tree-optimization/38937
10901         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10902         computing the transitive closure.
10903
10904 2009-01-30  Richard Guenther  <rguenther@suse.de>
10905
10906         PR tree-optimization/39041
10907         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10908         Propagate variable indices only if the types match for this stmt.
10909
10910 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10911
10912         PR target/39013
10913         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10914         inline but never defined.
10915
10916 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10917
10918         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10919         (*insv_h_di_reg_extimm): New insn.
10920         (*insv_l<mode>_reg_extimm): New insn.
10921
10922 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10923
10924         * config/picochip/picochip.c (flag_conserve_stack): set
10925         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10926         fconserve-stack. Reduce call-overhead used by inliner.
10927
10928 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10929
10930         PR/38157
10931         * common.opt (flag_conserve_stack): Initialised to zero.
10932
10933 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10934
10935         PR/39002
10936         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10937         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10938         method.
10939
10940 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10941
10942         * ira-color.c (allocno_reload_assign): Update comments.
10943         * regmove.c (regmove_optimize): Likewise.
10944
10945         * ra.h: Removed.
10946
10947 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10948
10949         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10950         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10951         `MD_UNWIND_SUPPORT'.
10952         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10953
10954 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10955
10956         PR tree-optimization/39007
10957         * tree-loop-distribution.c (generate_builtin): Use
10958         recompute_dominator to compute the immediate dominator of the
10959         basic block just after the loop.
10960
10961 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10962
10963         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10964         (ASM_OUTPUT_DWARF_PCREL): Define.
10965
10966 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10967
10968         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10969         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10970         global.  Modify entries about regmove and IRA.
10971
10972         * ra-conflict.c: Remove the file.
10973
10974         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10975
10976         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10977         (pass_regclass_init): Rename to pass_reginfo_init.
10978
10979         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10980
10981         * toplev.h (flag_ira): Remove.
10982
10983         * caller-save.c (setup_save_areas): Remove flag_ira.
10984
10985         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10986
10987         * global.c: Remove the file.
10988
10989         * opts.c (decode_options): Remove flag_ira.
10990
10991         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10992
10993         * regmove.c: Modify file description.
10994         (find_use_as_address, try_auto_increment): Define them only if
10995         AUTO_INC_DEC is defined.
10996         (replacement_quality, replace_in_call_usage, fixup_match_1,
10997         stable_and_no_regs_but_for_p): Remove.
10998         (reg_set_in_bb): Make it static.
10999         (regmove_optimize): Remove flag_ira and code which worked for
11000         !flag_ira.
11001
11002         * local-alloc.c: Remove the file.
11003
11004         * common.opt (fira): Remove.
11005
11006         * ira.c: Include except.h.
11007         (eliminable_regset): Move from global.c.
11008         (mark_elimination): Ditto.  Remove flag_ira.
11009         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11010         equiv_mem_modified, validate_equiv_mem_from_store,
11011         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11012         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11013         no_equiv, recorded_label_ref): Move from local-alloc.c.
11014         (update_equiv_regs): Ditto.  Make it static.
11015         (print_insn_chain, print_insn_chains): Move it from global.c.
11016         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11017         (build_insn_chain): Ditto.  Make it static.
11018         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11019         Rename to init_live_subregs.
11020         (gate_ira): Remove flag_ira.
11021
11022         * regclass.c: Rename reginfo.c.  Change file description.
11023         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11024         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11025         (init_reg_sets_1): Remove code for evaluation of
11026         reg_class_superclasses and losing_caller_save_reg_set.
11027         (init_regs): Remove init_reg_autoinc.
11028         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11029         ok_for_base_p_nonstrict): Remove.
11030         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11031         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11032         corresponding entries.
11033         (dump_regclass, record_operand_costs, scan_one_insn,
11034         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11035         record_address_regs, auto_inc_dec_reg_p): Remove.
11036         (gt-regclass.h): Rename to gt-reginfo.h.
11037
11038         * rtl.h (dump_global_regs, retry_global_alloc,
11039         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11040
11041         * Makefile.in (RA_H): Remove.
11042         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11043         Rename regclass.o to reginfo.o.
11044         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11045         gt-reginfo.h.
11046         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11047         (GTFILES): Rename regclass.c to reginfo.c.
11048
11049         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11050         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11051
11052         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11053         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11054         Remove flag_ira.
11055         (finish_spills): Ditto.  Remove code for !flag_ira.
11056
11057 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11058
11059         PR middle-end/35854
11060         * doc/invoke.texi (rtl debug options): Complete rewrite.
11061         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11062         to auto_inc_dec".
11063         * mode-switching.c (pass_mode_switching): Rename pass from
11064         "mode-sw" to "mode_sw".
11065         * except.c (pass_convert_to_eh_ranges): Rename pass from
11066         "eh-ranges" to "eh_ranges".
11067         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11068         to "subreg1".
11069
11070
11071 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11072             Alexander Monakov  <amonakov@ispras.ru>
11073
11074         PR middle-end/38857
11075         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11076         register.
11077         (move_exprs_to_boundary): Change return type and pass through
11078         should_move from move_op.  Relax assert.  Update usage ...
11079         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11080         cant_move.
11081         (move_op_orig_expr_found): Indicate that insn was disconnected from
11082         stream.
11083         (code_motion_process_successors): Do not call after_merge_succs
11084         callback if original expression was not found when traversing any of
11085         the branches.
11086         (code_motion_path_driver): Change return type.  Update prototype.
11087         (move_op): Update comment.  Add a new parameter (should_move).  Update
11088         prototype.  Set *should_move based on indication provided by
11089         move_op_orig_expr_found.
11090
11091 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11092
11093         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11094         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11095         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11096         * config/rs6000/rs6000.c (rs6000_override_options): Default
11097         avoid-indexed-addresses on for Power6, off for everything else.
11098         (avoiding_indexed_address_p): New function.
11099         (rs6000_legitimize_address): Use it.
11100         (rs6000_legitimate_address): Likewise.
11101         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11102
11103 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11104
11105         PR tree-optimization/38997
11106         * tree-loop-distribution.c (generate_memset_zero): Use
11107         POINTER_PLUS_EXPR for a pointer addition.
11108
11109 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11110
11111         * config/s390/s390.md (bswap<mode>2): New pattern added.
11112
11113 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11114
11115         * config/s390/s390.md (*tls_load_31): Added type attribute.
11116
11117 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11118
11119         * config/s390/s390.md: Fix a few comments.
11120
11121 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11122
11123         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11124         (*tm<mode>_full): Fixed z10prop attribute.
11125         (*tst<mode>_extimm): Fixed z10prop attribute.
11126         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11127         (*tstqiCCT_cconly): Fixed z10prop attribute.
11128         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11129         (*movsi_larl): Fixed z10prop attribute.
11130         (*movsi_zarch): Fixed z10prop attribute.
11131         (*movsi_eas): Fixed z10prop attribute.
11132         (*movhi): Fixed z10prop attribute.
11133         (*movqi): Fixed z10prop attribute.
11134         (*movstrictqi): Fixed z10prop attribute.
11135         (*mov<mode>): Fixed z10prop attribute.
11136         (*movcc): Fixed z10prop attribute.
11137         (*sethighpartdi_64): Fixed z10prop attribute.
11138         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11139         (*negdi2_sign_cc): Fixed z10prop attribute.
11140         (*negdi2_sign): Fixed z10prop attribute.
11141         (*absdi2_sign_cc): Fixed z10prop attribute.
11142         (*absdi2_sign): Fixed z10prop attribute.
11143         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11144         (*negabsdi2_sign): Fixed z10prop attribute.
11145         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11146         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11147         (doloop_si64): Fixed z10prop attribute.
11148         (doloop_si31): Fixed z10prop attribute.
11149         (doloop_long): Fixed z10prop attribute.
11150         (indirect_jump): Fixed z10prop attribute.
11151         (nop): Fixed z10prop attribute.
11152         (main_base_64): Fixed z10prop attribute.
11153         (reload_base_64): Fixed z10prop attribute.
11154
11155 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11156
11157         PR rtl-optimization/38740
11158         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11159         if !optimize.
11160         * config/mips/mips.c (mips_reorg): Likewise.
11161
11162 2009-01-28  Richard Guenther  <rguenther@suse.de>
11163
11164         PR tree-optimization/38926
11165         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11166         with the correct value id to a value.
11167         (do_regular_insertion): Use the value number of edoubleprime
11168         for the value number of the expr.
11169
11170         Revert
11171         2008-08-21  Richard Guenther  <rguenther@suse.de>
11172
11173         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11174         a PHI ask VN if it is already available.
11175         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11176         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11177
11178 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11179
11180         PR middle-end/38934
11181         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11182         set to varying whenever max has TREE_OVERFLOW set, similarly
11183         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11184
11185 2009-01-28  Richard Guenther  <rguenther@suse.de>
11186
11187         PR middle-end/38908
11188         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11189         uninitialized aggregate uses in call arguments.
11190
11191 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11192
11193         PR tree-optimization/38984
11194         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11195         the nothing_id variable if -fno-delete-null-pointer-checks.
11196
11197 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11198
11199         PR target/38988
11200         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11201         (set_got_offset_rex64): Ditto.
11202
11203 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11204
11205         PR target/38941
11206         * doc/extend.texi: Improve local variable with asm reg.
11207
11208 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11209
11210         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11211         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11212         was not supplied then set warn_packed_bitfield_compat to the
11213         default value of 1.
11214         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11215         against 1.
11216
11217 2009-01-27  Richard Guenther  <rguenther@suse.de>
11218
11219         PR tree-optimization/38503
11220         * cfgexpand.c (expand_gimple_basic_block): Ignore
11221         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11222         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11223         variables that cannot have TBAA applied.
11224         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11225         statements.
11226
11227 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11228
11229         PR middle-end/38969
11230         * calls.c (initialize_argument_information): Do not wrap complex
11231         arguments in SAVE_EXPR.
11232
11233 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11234
11235         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11236         (INSTALL_LIBGCC): Revert typo commit.
11237
11238 2009-01-26  Richard Guenther  <rguenther@suse.de>
11239
11240         PR tree-optimization/38745
11241         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11242         from special handling.
11243
11244 2009-01-26  Richard Guenther  <rguenther@suse.de>
11245
11246         PR tree-optimization/38745
11247         * tree-ssa.c (execute_update_addresses_taken): Do not include
11248         variables that cannot possibly be a register in not_reg_needs.
11249         Do not clear TREE_ADDRESSABLE on vars that may not become
11250         registers.
11251         * tree-ssa.c (update_alias_info_1): Include those in the set
11252         of addressable vars.
11253
11254 2009-01-26  Richard Guenther  <rguenther@suse.de>
11255
11256         PR middle-end/38851
11257         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11258         * tree-ssa-dse.c: Include langhooks.h
11259         (execute_simple_dse): Remove stores with zero size.
11260
11261 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11262
11263         PR c/38957
11264         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11265         as PLUS_EXPR.
11266
11267 2009-01-24  Julian Brown  <julian@codesourcery.com>
11268
11269         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11270         config/arm/linux-atomic.c.
11271         * config/arm/linux-atomic.c: New.
11272
11273 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11274
11275         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11276         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11277         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11278
11279 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11280
11281         PR c/38938
11282         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11283         properly.
11284
11285 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11286
11287         PR tree-optimization/38953
11288         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11289         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11290         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11291         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11292         changed the CFG.
11293
11294 2009-01-24  Paul Brook  <paul@codesourcery.com>
11295
11296         * config/arm/neon.md (neon_type): Move to arm.md.
11297         (neon_mov<VSTRUCT>): Add neon_type attribute.
11298         * config/arm/arm.md (neon_type): Move to here.
11299         (conds): Add "unconditioal" and use as default for NEON insns.
11300
11301 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11302
11303         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11304         void *' warning from -Wc++-compat.
11305         * Makefile.in (dominance.o-warn): Remove.
11306
11307 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11308
11309         PR tree-optimization/38932
11310         * fold-const.c (fold_unary_ignore_overflow): New.
11311         * tree.h (fold_unary_ignore_overflow): Declare.
11312         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11313         * tree-ssa-sccvn.c (visit_reference_op_load,
11314         simplify_unary_expression): Likewise.
11315
11316 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11317
11318         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11319         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11320         regardless of their type.
11321         * c-common.c (handle_packed_attribute): Don't ignore packed on
11322         bitfields.
11323         * c.opt (Wpacked-bitfield-compat): New warning option.
11324         * stor-layout.c (place_field): Warn if offset of a field changed.
11325         * doc/extend.texi (packed): Mention the ABI change.
11326         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11327         (Warning Options): Add it to the list.
11328
11329 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11330
11331         * c-opts.c (c_common_post_options): Fix a typo in comments.
11332
11333 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11334
11335         PR middle-end/38615
11336         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11337         variables to static.
11338         * doc/invoke.texi (-fmerge-all-constants): Update description.
11339
11340 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11341
11342         PR target/38931
11343         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11344         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11345
11346 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11347
11348         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11349         a word boundary.
11350         (LOCAL_ALIGNMENT): Similarly.
11351
11352 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11353             Joseph Myers  <joseph@codesourcery.com>
11354
11355         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11356         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11357         * config/arm/arm-tune.md: Regenerate.
11358         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11359         -march=iwmmxt2.
11360
11361 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11362
11363         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11364         version number to five.
11365
11366 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11367
11368         PR c++/38930
11369         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11370         * c-common.c (set_underlying_type): Likewise.
11371         (is_typedef_decl ): Likewise
11372         * tree.h: Likewise
11373         (set_underlying_type): Likewise.
11374         (is_typedef_type): Likewise.
11375
11376 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11377
11378         PR middle-end/38587
11379         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11380         crossing setjmps.
11381
11382 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11383
11384         PR bootstrap/37660
11385         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11386         (LIBGCC_SPEC):  Don't define.
11387         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11388
11389 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11390
11391         PR rtl-optimization/38879
11392         * alias.c (base_alias_check): Unaligned access via AND address can
11393         alias all surrounding object types except those with sizes equal
11394         or wider than the size of unaligned access.
11395
11396 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11397
11398         PR c++/26693
11399         * c-decl.c (clone_underlying_type): Move this ...
11400         * c-common.c (set_underlying_type): ... here.
11401         Also, make sure the function properly sets TYPE_STUB_DECL() on
11402         the newly created typedef variant type.
11403         (is_typedef_decl ): New entry point.
11404         * tree.h: Added a new member member_types_needing_access_check to
11405         struct tree_decl_non_common.
11406         (set_underlying_type): New entry point.
11407         (is_typedef_type): Likewise.
11408
11409 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11410
11411         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11412         Check whether two instructions have memory references that
11413         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11414         are helper functions for traversing.
11415         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11416         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11417         not to draw dependency edge for instructions with non-conflicting
11418         alias sets.
11419
11420 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11421
11422         PR other/38758
11423         * longlong.h: Update copyright years.  Use soft-fp license notice.
11424         Sync __clz_tab declaration with glibc.
11425
11426 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11427
11428         PR target/30687
11429         * doc/extend.texi (syscall_linkage): New.
11430         (version_id): Modify.
11431
11432 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11433             Richard Guenther  <rguenther@suse.de>
11434
11435         PR tree-optimization/38747
11436         PR tree-optimization/38748
11437         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11438         conversion if the base address is an indirect reference and the
11439         aliasing sets could cause issues.
11440
11441 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11442
11443         * common.opt (fgraphite, fgraphite-identity): Add comment for
11444         explaining why these options are not documented.
11445
11446 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11447
11448         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11449         gimple_call_lhs is NULL.
11450
11451 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11452
11453         PR target/38868
11454         * emit-rtl.c (adjust_address_1): Make sure memref is never
11455         overwritten.
11456
11457 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11458
11459         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11460         const qualifier from arg parameter. Remove unnecessary cast to char *.
11461         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11462         const qualifier from arg 2.
11463
11464 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11465
11466         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11467
11468 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11469
11470         PR c/38869
11471         * rtl.h (reinit_regs): New prototype.
11472         * regclass.c: Include ira.h.
11473         (reinit_regs): New.
11474         * Makefile.in (regclass.o): Add ira.h.
11475         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11476
11477 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11478
11479         PR target/38736
11480         * c-common.c (handle_aligned_attribute): Use
11481         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11482         default alignment value.
11483
11484         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11485
11486         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11487         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11488
11489         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11490         __BIGGEST_ALIGNMENT__.
11491
11492         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11493
11494 2009-01-18  Richard Guenther  <rguenther@suse.de>
11495
11496         PR tree-optimization/38819
11497         * tree-flow.h (operation_could_trap_helper_p): Declare.
11498         * tree-eh.c (operation_could_trap_helper_p): Export.
11499         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11500         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11501         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11502         are about to insert a possibly trapping instruction and fail
11503         in this case.
11504
11505 2009-01-18  Andreas Schwab  <schwab@suse.de>
11506
11507         * doc/install.texi (Configuration): Remove obsolete paragraph
11508         about use of --with-gnu-ld with --with-gnu-as.
11509
11510 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11511
11512         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11513         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11514         Follow spelling conventions.
11515
11516 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11517
11518         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11519         C++ warning about implicit conversion from void * to struct
11520         bitmap_head_def *.
11521         (bitmap_obstack_free): Likewise for bitmap_element *.
11522         * Makefile.in (bitmap.o-warn): Remove.
11523
11524 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11525
11526         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11527
11528 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11529             Tobias Grosser  <tobi.grosser@amd.com>
11530
11531         * graphite.c (graphite_trans_scop_block): Do not block single
11532         nested loops.
11533
11534 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11535
11536         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11537         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11538         test with assertion.
11539
11540 2009-01-16  Richard Guenther  <rguenther@suse.de>
11541
11542         PR tree-optimization/38835
11543         PR middle-end/36227
11544         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11545         and INT + PTR -> (INT)(PTR p+ INT) folding.
11546         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11547
11548 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11549
11550         PR target/38554
11551         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11552         the subreg from a lowpart subreg if it is also casting the value.
11553
11554 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11555             Tobias Grosser  <tobi.grosser@amd.com>
11556
11557         * graphite.c (compare_prefix_loops): New.
11558         (build_scop_canonical_schedules): Rewritten.
11559         (graphite_transform_loops): Move build_scop_canonical_schedules
11560         after build_scop_iteration_domain.
11561
11562 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11563             Tobias Grosser  <tobi.grosser@amd.com>
11564
11565         * graphite.c (add_conditions_to_domain): Add the loops to
11566         the dimension of the iteration domain.  Do copy the domain
11567         only when it exists.
11568         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11569         (add_conditions_to_constraints): New.
11570         (can_generate_code_stmt, can_generate_code): Removed.
11571         (gloog): Do not call can_generate_code.
11572         (graphite_transform_loops): Call add_conditions_to_constraints
11573         after building the iteration domain.
11574
11575 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11576
11577         PR tree-optimization/38789
11578         * tree-ssa-threadedge.c
11579         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11580         __builtin_constant_p.
11581
11582 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11583
11584         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11585         examined before deleting them.
11586
11587 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11588
11589         * function.c (aggregate_value_p): Correctly extract the function
11590         type from CALL_EXPR_FN lookup.
11591
11592 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11593
11594         * config/picochip/picochip.c (picochip_override_options): Revert
11595         CFI asm flag disable commited previously.
11596
11597 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11598             Tobias Grosser  <tobi.grosser@amd.com>
11599             Jan Sjodin  <jan.sjodin@amd.com>
11600
11601         * graphite.c (scan_tree_for_params): On substractions negate
11602         all the coefficients of the term.
11603         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11604         of more than two operands.
11605         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11606         (get_vdef_before_scop): Handle also the case of default definitions.
11607
11608 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11609
11610         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11611         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11612         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11613
11614 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11615             Joey Ye  <joey.ye@intel.com>
11616
11617         PR middle-end/37843
11618         * cfgexpand.c (expand_stack_alignment): Don't update stack
11619         boundary nor check incoming stack boundary here.
11620         (gimple_expand_cfg): Update stack boundary and check incoming
11621         stack boundary here.
11622
11623 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11624
11625         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11626
11627 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11628
11629         PR rtl-optimization/38245
11630         * calls.c (expand_call): Add stack arguments to
11631         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11632         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11633         in regs and partially in memory or BLKmode arguments.
11634         (emit_library_call_value_1): Add stack arguments to
11635         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11636         ACCUMULATE_OUTGOING_ARGS).
11637         * dce.c: Include tm_p.h.
11638         (find_call_stack_args): New function.
11639         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11640         argument.
11641         (mark_insn): Call find_call_stack_args for CALL_Ps.
11642         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11643         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11644         down to deletable_insn_p, don't mark stores set in arg_stores
11645         bitmap, clear the bitmap at the beginning of each bb.
11646         * Makefile.in (dce.o): Depend on $(TM_P_H).
11647
11648 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11649
11650         PR target/22599
11651         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11652         to make sure the insn is a conditional test (bug 22599).  Reformat a
11653         few long lines.
11654
11655 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11656
11657         PR middle-end/38431
11658         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11659         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11660         (gloog): Do not call cleanup_tree_cfg.
11661         (graphite_transform_loops): Call cleanup_tree_cfg after all
11662         scops have been code generated.
11663
11664 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11665         * doc/gty.texi (Invoking the garbage collector): Added new node
11666         and section documenting ggc_collect.
11667
11668 2009-01-14  Richard Guenther  <rguenther@suse.de>
11669
11670         PR tree-optimization/38826
11671         PR middle-end/38477
11672         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11673         initialization notes only if we actually emitted a warning.
11674         (intra_create_variable_infos): Add constraints for a result decl
11675         that is passed by hidden reference.
11676         (build_pred_graph): Mark all related variables non-direct on
11677         address-taking.
11678
11679 2009-01-14  Nick Clifton  <nickc@redhat.com>
11680
11681         * ira-conflicts.c: Include addresses.h for the definition of
11682         base_reg_class.
11683         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11684         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11685
11686 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11687
11688         PR target/38811
11689         * Makefile.in (ira-lives.o): Add except.h.
11690
11691         * ira-lives.c: Include except.h.
11692         (process_bb_node_lives): Process can_throw_internal.
11693
11694 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11695
11696         PR rtl-optimization/38774
11697         * combine.c (simplify_set): When undoing cc_use change, don't do
11698         PUT_CODE on the newly created comparison, but instead put back the
11699         old comparison.
11700
11701 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11702
11703         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11704         values.  Remove duplicate arm8 entry.
11705
11706 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11707
11708         PR tree-optimization/38786
11709         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11710         the SSA_NAME case of expand_scalar_variables_expr.
11711         Set the type of an expression to the type of its assign statement.
11712         (expand_scalar_variables_expr): Also gather the scalar computation
11713         used to index the memory access.  Do not pass loop_p.
11714         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11715         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11716         the gimple_stmt_iterator where it inserts new code.
11717         Do not pass loop_p.
11718         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11719         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11720
11721 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11722
11723         * graphite.h (debug_value): Removed.
11724         * graphite.c (debug_value): Removed.
11725
11726 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11727
11728         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11729         ldrd/strd with two 32-bit instructions.
11730
11731 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11732
11733         * config/arm/arm.c (struct processors): Pass for speed down into
11734         cost helper functions.
11735         (const_ok_for_op): Handle COMPARE and inequality nodes.
11736         (arm_rtx_costs_1): Rewrite.
11737         (arm_size_rtx_costs): Update prototype.
11738         (arm_rtx_costs): Pass speed down to helper functions.
11739         (arm_slowmul_rtx_costs): Rework cost calculations.
11740         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11741         (arm_9e_rtx_costs): Likewise.
11742
11743 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11744
11745         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11746         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11747         (alpha_legitimize_address): Do not split local symbols wider than
11748         UNITS_PER_WORD into HIGH/LO_SUM parts.
11749
11750 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11751
11752         PR bootstrap/38580
11753         * gcc.c (process_command): Replace call to execvp with calls
11754         to pex_one and exit.
11755
11756 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11757
11758         PR target/29141
11759         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11760         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11761         variant for devices with 3-byte PC.
11762         (__tablejump_elpm__): New.
11763
11764 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11765
11766         PR c/32041
11767         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11768         offsetof member-designator, handle it as `[0].'.
11769
11770 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11771
11772         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11773         function when not using named sections on targets with named sections
11774         if branch distance is less than 262132.
11775
11776 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11777
11778         * combine.c (combine_instructions):  Recompute
11779         optimize_this_for_speed_p  for each BB in the main combine loop.
11780
11781 2009-01-12  Tomas Bily  <tbily@suse.cz>
11782
11783         PR middlend/38385
11784         * tree-loop-distribution.c (prop_phis): New function.
11785         (generate_builtin): Call prop_phis.
11786         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11787
11788 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11789
11790         PR tree-optimization/38807
11791         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11792         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11793
11794 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11795
11796         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11797         subreg of op0 to the original op0.
11798
11799 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11800
11801         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11802
11803 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11804
11805         PR debug/7055
11806         * mips-tfile.c (parse_def): Fix parsing of def strings
11807         starting with digits.
11808
11809 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11810
11811         PR target/38695
11812         * config/arm/arm.c (arm_is_long_call_p): Don't call
11813         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11814
11815 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11816
11817         * regrename.c (regrename_optimize): Fix dumping.
11818         (find_oldest_value_reg): Preserve REG_POINTER.
11819         (copy_hardreg_forward_1): Likewise.
11820
11821 2009-01-09  Diego Novillo  <dnovillo@google.com>
11822
11823         * gimple.h (struct gimple_statement_base) <uid>: Document
11824         the restrictions on its use.
11825         (gimple_uid): Tidy.
11826         (gimple_set_uid): Tidy.
11827
11828 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11829
11830         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11831         zero guard even if align_bytes != 0 and count is smaller than
11832         size_needed.
11833
11834 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11835
11836         PR rtl-optimization/38495
11837         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11838         (add_range_and_copies_from_move_list): Print all added ranges.
11839         Add ranges to memory optimized destination.
11840
11841 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11842
11843         PR target/38686
11844         PR target/38708
11845         * config/i386/i386.c (override_options): Reject
11846         -mstringop-strategy=rep_8byte with -m32.
11847         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11848         to 1.  Do count comparison against epilogue_size_needed at compile
11849         time even when count_exp was constant forced into register.  For
11850         size_needed don't jump to epilogue, instead just avoid aligning
11851         and invoke the body algorithm.  If need_zero_guard, add zero guard
11852         even if count is non-zero, but smaller than size_needed + number of
11853         bytes that could be stored for alignment.
11854         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11855         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11856         but smaller than size_needed + number of bytes that could be stored
11857         for alignment.  Compare size_needed with epilogue_size_needed instead
11858         of desired_align - align, don't adjust size_needed, pass
11859         epilogue_size_needed to the epilogue expanders.
11860
11861         PR c/35742
11862         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11863
11864 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11865
11866         * pa.c (last_address): Change to unsigned.
11867         (update_total_code_bytes): Change argument to unsigned.  Don't
11868         check if insn addresses are set.
11869         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11870         addresses are not set.
11871         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11872
11873 2009-01-09  Nick Clifton  <nickc@redhat.com>
11874
11875         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11876         DECL_DECLARED_INLINE_P.
11877
11878 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11879
11880         PR middle-end/38347
11881         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11882         GET_MODE (op0) in operand_subword_force calls.
11883
11884         PR middle-end/38771
11885         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11886         fold_convert arg0 operands to TREE_TYPE (op0) first.
11887
11888 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11889
11890         * params.def (ira-max-conflict-table-size): Decrease default value
11891         to 1000.
11892
11893 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11894
11895         PR tree-optimization/37031
11896         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11897         on parameter_set.
11898         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11899         allocate it using gc instead of heap, use VEC_quick_push instead of
11900         VEC_safe_push.
11901         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11902         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11903         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11904         allocated vector from heap allocated.
11905         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11906         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11907         vector only after perfect_loop_nest_depth call.
11908
11909 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11910             Jan Sjodin  <jan.sjodin@amd.com>
11911
11912         PR tree-optimization/38559
11913         * graphite.c (debug_value, copy_constraint,
11914         swap_constraint_variables, scale_constraint_variable, ): New.
11915         (get_lower_bound, get_upper_bound): Removed.
11916         (graphite_trans_bb_strip_mine): Clean up this code that works
11917         only for constant number of iterations.  Fully copy upper and
11918         lower bound constraints, not only the constant part of them.
11919         * graphite.h (debug_value): Declared.
11920
11921 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11922
11923         PR tree-optimization/37194
11924         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11925         Don't add the cost of cost model guard in prologue to scalar
11926         outside cost in case of known number of iterations.
11927
11928 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11929             Alan Modra  <amodra@bigpond.net.au>
11930
11931         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11932         non-word-aligned REG+CONST addressing.
11933
11934 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11935
11936         PR target/38706
11937         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11938         free_after_compilation when outputting a thunk.
11939         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11940         Do not call free_after_compilation here.
11941
11942 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11943
11944         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11945         (ix86_valid_target_attribute_inner_p): Ditto.
11946
11947 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11948
11949         PR tree-optimization/38492
11950         PR tree-optimization/38498
11951         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11952         * tree-chrec.h (scev_is_linear_expression): Declared.
11953         * graphite.c (graphite_cannot_represent_loop_niter): New.
11954         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11955         (graphite_loop_normal_form): Use gcc_assert.
11956         (scan_tree_for_params): Use CASE_CONVERT.
11957         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11958         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11959         Use gcc_assert.  Discard scops that contain unhandled cases.
11960         (build_scop_conditions): Return a boolean status for unhandled cases.
11961         (strip_mine_profitable_p): Print the loop number, not its depth.
11962         (is_interchange_valid): Pass the depth of the loop nest, don't
11963         recompute it wrongly.
11964         (graphite_trans_bb_block): Same.
11965         (graphite_trans_bb_block): Print tentative of loop blocking.
11966         (graphite_trans_scop_block): Do not print that the loop has been
11967         blocked.
11968         (graphite_transform_loops): Do not handle scops that contain condition
11969         scalar phi nodes.
11970
11971 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11972
11973         AVX Programming Reference (December, 2008)
11974         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11975         (_mm256_stream_pd): Likewise.
11976         (_mm256_stream_ps): Likewise.
11977
11978         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11979         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11980         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11981         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11982         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11983         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11984         (ix86_expand_special_args_builtin): Likewise.
11985
11986         * config/i386/sse.md (AVXMODEDI): New.
11987         (avx_movnt<mode>): Likewise.
11988         (avx_movnt<mode>): Likewise.
11989         (<sse>_movnt<mode>): Remove AVX support.
11990         (sse2_movntv2di): Likewise.
11991
11992 2009-01-07  Richard Guenther  <rguenther@suse.de>
11993
11994         PR middle-end/38751
11995         * fold-const.c (extract_muldiv): Remove obsolete comment.
11996         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11997         to PLUS_EXPR canonicalization for the canonicalization.
11998
11999 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12000
12001         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12002         hosted cross-compilers generating less efficient code.
12003
12004 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12005
12006         * function.h (rtl_data): Add a dbr_scheduled_p field.
12007         * reorg.c (dbr_schedule): Set it.
12008         (gate_handle_delay_slots): Check it.
12009         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12010         (mips_reorg): Check flag_delayed_branch instead of
12011         mips_base_delayed_branch.
12012         (mips_override_options): Don't set mips_base_delayed_branch
12013         or flag_delayed_branch.
12014
12015 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12016
12017         PR rtl-optimization/38426.
12018         * ira.c (ira): Set current_function_is_leaf earlier.
12019
12020 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12021
12022         PR rtl-optimization/38722
12023         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12024         too early, only set a flag and modify after last possible
12025         undo_all point.
12026
12027 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12028
12029         PR c/34252
12030         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12031         * real.c (decimal_single_format): Correct values of emin and emax.
12032         (decimal_double_format): Ditto.
12033         (decimal_quad_format): Ditto.
12034         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12035         computation of DECnn_MIN and DECnn_MAX for corrected values of
12036         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12037         __DECnn_MIN__, and adjust its computation for the corrected value
12038         of emin.
12039
12040 2009-01-06  Jan Hubicka  <jh@suse.cz>
12041
12042         PR target/38744
12043         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12044
12045 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12046
12047         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12048         Add Robert Clark to the list of testers.
12049
12050 2009-01-06  Jan Hubicka  <jh@suse.cz>
12051             Kai Tietz  <kai.tietz@onevision.com>
12052
12053         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12054         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12055
12056 2009-01-06  Jan Hubicka  <jh@suse.cz>
12057             Kai Tietz  <kai.tietz@onevision.com>
12058
12059         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12060         for w64 ABI.
12061         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12062         (ix86_nsaved_regs): Count only general purpose regs.
12063         (ix86_nsaved_sseregs): New.
12064         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12065         to 16 for w64; compute padding and size of sse reg save area.
12066         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12067         general purpose regs.
12068         (ix86_emit_save_sse_regs_using_mov): New.
12069         (ix86_expand_prologue): Save SSE regs if needed.
12070         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12071         (ix86_emit_restore_sse_regs_using_mov): New.
12072         (ix86_expand_epilogue): Save SSE regs if needed.
12073
12074 2009-01-06  Jan Hubicka  <jh@suse.cz>
12075             Kai Tietz  <kai.tietz@onevision.com>
12076
12077         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12078         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12079         functions when accumulate outgoing args is off.
12080
12081 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12082
12083         PR bootstrap/38742
12084         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12085         before using pseudos_have_intersected_live_ranges_p.
12086
12087         * ira-int.h (ira_assert): Always define.
12088
12089 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12090
12091         AVX Programming Reference (December, 2008)
12092         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12093         (_mm256_permute2_pd): Likewise.
12094         (_mm_permute2_ps): Likewise.
12095         (_mm256_permute2_ps): Likewise.
12096         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12097         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12098
12099         * config/i386/i386.c (ix86_builtins): Remove
12100         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12101         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12102         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12103         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12104         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12105         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12106         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12107         __builtin_ia32_vpermil2ps256.
12108         (ix86_init_mmx_sse_builtins): Updated.
12109         (ix86_expand_args_builtin): Likewise.
12110
12111 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12112
12113         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12114         long absolute calls when generating PA 2.0 code.
12115
12116 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12117
12118         PR rtl-optimization/38583
12119         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12120
12121         * params.def (ira-max-conflict-table-size): New.
12122
12123         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12124
12125         * ira.h (ira_conflicts_p): New external definition.
12126
12127         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12128         table.  Report this.  Return result of building.
12129         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12130         building conflict table.
12131
12132         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12133         (ira_color): Use ira_conflicts_p.
12134
12135         * global.c: Include ira.h.
12136         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12137         ira_conflicts_p.
12138
12139         * Makefile.in (global.o): Add ira.h.
12140
12141         * ira-build.c (mark_all_loops_for_removal,
12142         propagate_some_info_from_allocno): New.
12143         (remove_unnecessary_allocnos): Call
12144         propagate_some_info_from_allocno.
12145         (remove_low_level_allocnos): New.
12146         (remove_unnecessary_regions): Add parameter.  Call
12147         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12148         parameter to remove_unnecessary_regions.
12149         (ira_build): Remove all regions but root if the conflict table was
12150         not built.  Update conflict hard regs for allocnos crossing calls.
12151
12152         * ira.c (ira_conflicts_p): New global.
12153         (ira): Define and use ira_conflicts_p.
12154
12155         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12156         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12157         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12158
12159 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12160
12161         * gengtype-lex.l (YY_NO_INPUT): Define.
12162
12163 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12164
12165         PR c/34911
12166         * c-common.c (handle_vector_size_attribute): Also reject
12167         BOOLEAN_TYPE types.
12168
12169 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12170
12171         PR tree-optimization/38492
12172         * graphite.c (rename_map_elt, debug_rename_elt,
12173         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12174         rename_map_elt_info, eq_rename_map_elts,
12175         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12176         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12177         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12178         (sese_build_livein_liveouts): New.
12179         (new_sese, free_sese): New.
12180         (new_scop): Call new_sese.
12181         (free_scop): Call free_sese.
12182         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12183         (register_old_new_names): Renamed register_old_and_new_names.
12184         (register_scop_liveout_renames, add_loop_exit_phis,
12185         insert_loop_close_phis, struct igp,
12186         default_liveout_before_guard, add_guard_exit_phis,
12187         insert_guard_phis, copy_renames): New.
12188         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12189         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12190         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12191         (scop_adjust_phis_for_liveouts): New.
12192         (gloog): Call scop_adjust_phis_for_liveouts.
12193
12194         * graphite.h (struct sese): Documented.  Added fields liveout,
12195         num_ver and livein.
12196         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12197         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12198         (struct scop): Added field liveout_renames.
12199         (SCOP_LIVEOUT_RENAMES): New.
12200
12201 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12202
12203         PR tree-optimization/38510
12204         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12205         (translate_clast): Call recompute_all_dominators before
12206         graphite_verify.
12207         (gloog): Call recompute_all_dominators before graphite_verify.
12208
12209 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12210             Jan Sjodin  <jan.sjodin@amd.com>
12211
12212         PR tree-optimization/38500
12213         * graphite.c (create_sese_edges): Call fix_loop_structure after
12214         splitting blocks.
12215
12216 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12217
12218         * config.gcc: Add m32r*-*-rtems*.
12219         * config/m32r/rtems.h: New file.
12220
12221 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12222
12223         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12224         (.po.pox): Likewise.
12225         (po/gcc.pot): Likewise.
12226
12227 2009-01-04  David S. Miller  <davem@davemloft.net>
12228
12229         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12230         (STARTING_FRAME_OFFSET): Always set to zero.
12231
12232 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12233
12234         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12235         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12236         fixed-point types, and vectors of the same.
12237
12238 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12239
12240         * config/mips/sync.md (*mb_barrier): Rename to...
12241         (*memory_barrier): ...this.
12242
12243 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12244
12245         * doc/extend.texi (Function Attributes): Move @cindex after @item
12246         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12247         and put in alphabetical order. Fix 'target' name and put in order.
12248         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12249         typos.
12250
12251 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12252
12253         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12254         (memory_barrier): Expand as unspec instead of unspec_volatile.
12255         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12256         (*memory_barrier): Define as unspec instead of unspec_volatile.
12257         Use (match_dup 0) as input operand.
12258
12259         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12260         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12261         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12262         scratch register.  Remove operand 1.
12263         (*stbar): Define as unspec instead of unspec_volatile.
12264         Use (match_dup 0) as input operand, remove (const_int 8).
12265         (*membar): Define as unspec instead of unspec_volatile.
12266         Use (match_dup 0) as input operand, remove input operand 2.
12267
12268         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12269         (memory_barrier): Expand as unspec instead of unspec_volatile.
12270         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12271         (*memory_barrier): Define as unspec instead of unspec_volatile.
12272         Use (match_dup 0) as input operand.
12273
12274         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12275         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12276         Set volatile flag on operand 0.
12277         (*memory_barrier): New insn pattern.
12278
12279         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12280         insn operands.
12281         (*memory_barrier): Use (match_dup 0) as input operand.
12282
12283         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12284         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12285         Set volatile flag on operand 0.
12286         (*mb_internal): New insn pattern.
12287
12288         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12289
12290 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12291
12292         PR middle-end/38586
12293         * function.c (struct temp_slot): Move to the section of the file
12294         that deals with temp slots.  Remove field 'address'.
12295         (temp_slot_address_table): New hash table of address -> temp slot.
12296         (struct temp_slot_address_entry): New struct, items for the table.
12297         (temp_slot_address_compute_hash, temp_slot_address_hash,
12298         temp_slot_address_eq, insert_temp_slot_address): Support functions
12299         for the new table.
12300         (find_temp_slot_from_address): Rewrite to use the new hash table.
12301         (remove_unused_temp_slot_addresses): Remove addresses of temp
12302         slots that have been made available.
12303         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12304         worker function for remove_unused_temp_slot_addresses.
12305         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12306         Add the temp slot address to the address -> temp slot map.
12307         (update_temp_slot_address): Update via insert_temp_slot_address.
12308         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12309         (pop_temp_slots): Likewise.
12310         (init_temp_slots): Allocate the address -> temp slot map, or empty
12311         the map if it is already allocated.
12312         (prepare_function_start): Initialize temp slot processing.
12313
12314 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12315
12316         PR middle-end/38584
12317         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12318         Calculate the size of all stack vars assuming no packing of stack
12319         vars will happen, replacing a quadratic algorithm with a linear one.
12320
12321 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12322
12323         PR target/38707
12324         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12325         can't be used.
12326
12327 2009-01-03  Diego Novillo  <dnovillo@google.com>
12328
12329         * doc/contrib.texi: Update contributions.
12330
12331 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12332
12333         PR c++/38705
12334         * builtins.c (fold_builtin_memory_op): Give up if either operand
12335         is volatile.  Set srctype or desttype to non-qualified version
12336         of the other type.
12337
12338         PR c/38700
12339         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12340         and FUNCTION_DECLs.
12341
12342 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12343
12344         PR rtl-optimization/35805
12345         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12346         problem if fast dce is able to remove any instructions.
12347         * dce.c (dce_process_block): Fix dump message.
12348
12349 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12350
12351         PR 33649
12352         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12353
12354 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12355
12356         PR middle-end/38690
12357         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12358         * tree-pretty-print.c (op_code_prio): New function.
12359         (op_prio): No longer static.  Use op_code_prio.
12360         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12361         Use op_prio and op_code_prio to determine if () should be
12362         printed around operand(s) or not.
12363
12364         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12365         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12366         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12367         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12368         pp_character instead of pp_string for single letter printing.
12369
12370 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12371
12372         * doc/extend.texi: Fix '#pragma GCC option' typo.
12373
12374 2009-01-02  Richard Guenther  <rguenther@suse.de>
12375
12376         * doc/install.texi (--enable-checking): Mention different
12377         default for stage1.
12378         (--enable-stage1-checking): Document.
12379
12380 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12381
12382         PR middle-end/30142
12383         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12384         case to be an error.
12385
12386 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12387
12388         * config/fp-bit.h (pack_d): Constify argument.
12389         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12390         (isnan): Constify argument.
12391         (isinf): Likewise.
12392         (iszero): Likewise.
12393         (pack_d): Likewise.
12394         (_fpadd_parts): Constify return type.
12395         (_fpmul_parts): Likewise.
12396         (_fpdiv_parts): Likewise.
12397
12398 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12399
12400         PR c/36489
12401         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12402         warn about overwriting initializer with side-effects or
12403         -Woverride-init if !IMPLICIT.
12404         (output_init_element): Likewise.  Pass IMPLICIT down to
12405         add_pending_init.
12406         (process_init_element): Add IMPLICIT argument.  Pass it down
12407         to output_init_element.
12408         (push_init_element, pop_init_level, set_designator): Adjust
12409         process_init_element callers.
12410         (set_nonincremental_init, set_nonincremental_init_from_string):
12411         Adjust add_pending_init callers.
12412         (output_pending_init_elements): Adjust output_init_element callers.
12413         * c-tree.h (process_init_element): Adjust prototype.
12414         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12415         process_init_element callers.
12416
12417 \f
12418 Copyright (C) 2009 Free Software Foundation, Inc.
12419
12420 Copying and distribution of this file, with or without modification,
12421 are permitted in any medium without royalty provided the copyright
12422 notice and this notice are preserved.