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1 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
2
3         PR debug/40109
4         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
5         child of the containing namespace's DIE.
6
7 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
8
9         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
10         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
11         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
12         extend patterns.
13
14 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15
16         PR target/39942
17         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
18         gen_align with gen_pad.
19         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
20         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
21
22         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
23         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
24
25         * config/i386/i386.md (align): Renamed to ...
26         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
27         ASM_OUTPUT_MAX_SKIP_PAD.
28
29 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
30
31         * config.gcc: Fix variable syntax.
32
33         PR target/39531
34         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
35         before calling exact_log2.
36         (output_iorsi3): Likewise.
37         (output_xorsi3): Likewise.
38
39 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
40
41         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
42         for the none zero constant operand except for EQ and NE
43         comprisons even when the first operand is R0.
44
45 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
46
47         * config/s390/2064.md: Remove trailing whitespaces.
48         * config/s390/2084.md: Likewise.
49         * config/s390/constraints.md: Likewise.
50         * config/s390/fixdfdi.h: Likewise.
51         * config/s390/libgcc-glibc.ver: Likewise.
52         * config/s390/s390-modes.def: Likewise.
53         * config/s390/s390-protos.h: Likewise.
54         * config/s390/s390.c: Likewise.
55         * config/s390/s390.h: Likewise.
56         * config/s390/s390.md: Likewise.
57         * config/s390/tpf-unwind.h: Likewise.
58
59 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
60
61         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
62
63 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
64
65         M68K TLS support.
66         * configure.ac (m68k-*-*): Check if binutils support TLS.
67         * configure: Regenerate.
68         * config/m68k/predicates.md (symbolic_operand): Extend comment.
69         * config/m68k/constraints.md (Cu): New constraint.
70         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
71         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
72         (movsi): Handle TLS symbols.
73         (addsi3_5200): Handle XTLS symbols, indent.
74         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
75         (m68k_tls_reference_p): Declare.
76         (m68k_legitimize_address): Declare.
77         (m68k_unwrap_symbol): Declare.
78         * config/m68k/m68k.opt (mxtls): New option.
79         * config/m68k/m68k.c (ggc.h): Include.
80         (m68k_output_dwarf_dtprel): Implement hook.
81         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
82         (m68k_expand_prologue): Load GOT pointer when function needs it.
83         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
84         (m68k_legitimate_constant_address_p): Same.
85         (m68k_decompose_address): Handle TLS references.
86         (m68k_get_gp): New static function.
87         (enum m68k_reloc): New contants.
88         (TLS_RELOC_P): New macro.
89         (m68k_wrap_symbol): New static function.
90         (m68k_unwrap_symbol): New function.
91         (m68k_final_prescan_insn_1): New static function.
92         (m68k_final_prescan_insn): New function.
93         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
94         functions.
95         (legitimize_pic_address): Handle TLS references..
96         (m68k_tls_get_addr, m68k_get_tls_get_addr)
97         (m68k_libcall_value_in_a0_p)
98         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
99         (m68k_call_m68k_read_tp): Helper variables and functions for ...
100         (m68k_legitimize_tls_address): Handle TLS references.
101         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
102         New functions.
103         (m68k_legitimize_address): Handle TLS symbols.
104         (m68k_get_reloc_decoration): New static function.
105         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
106         UNSPEC_RELOC32.
107         (m68k_output_dwarf_dtprel): Implement hook.
108         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
109         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
110         m68k_call_* routines.
111         (sched_attr_op_type): Handle TLS symbols.
112         (gt-m68k.h): Include.
113         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
114         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
115
116 2009-05-18  Martin Jambor  <mjambor@suse.cz>
117
118         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
119         (visit_store_addr_for_mod_analysis): New function.
120         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
121         (determine_cst_member_ptr): Use gimple_assign_single_p.
122         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
123         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
124         operands.  Don't check number of operands of a NOP_EXPR.
125
126 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
127
128         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
129
130 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
131
132         PR c/40172
133         * c-common.c (warn_logical_operator): Don't warn if one of
134         expression isn't always true or false.
135
136 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
137
138         * config/i386/biarch32.h: New file.
139         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
140
141 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
142
143         * config/mips/mips.md (*zero_extend<mode>_trunchi,
144         *zero_extend<mode>_truncqi): Merge these into ...
145         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
146         Name the pattern following this as *zero_extendhi_truncqi.
147
148 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
149
150         PR middle-end/39301
151         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
152         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
153         (output_info): Make field HOST_WIDEST_INT.
154         (print_statistics): Use HOST_WIDEST_INT_PRINT.
155         (dump_bitmat_statistics): Same.
156
157 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
158
159         * config.gcc (use_gcc_stdint):  Set to wrap.
160         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
161         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
162         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
163         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
164         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
165         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
166         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
167         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
168
169 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
170
171         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
172         tune_64.
173         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
174         Move definitions earlier.
175         (OPT_ARCH64, OPT_ARCH32): Define.
176         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
177         and tune_64.
178
179 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
180
181         PR target/40153
182         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
183         implies.
184
185 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
186
187         * arm.md (movdi2): Copy non-reg values to DImode registers.
188
189 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
190
191         PR target/39942
192         * final.c (label_to_max_skip): New function.
193         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
194         CODE_LABEL_NUMBER <= max_labelno.
195         * output.h (label_to_max_skip): New prototype.
196         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
197         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
198         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
199         Handle CODE_LABELs with >= 16 byte alignment or with
200         max_skip == (1 << align) - 1.
201         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
202         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
203
204         PR target/39942
205         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
206         .p2align 3 if MAX_SKIP is smaller than 7.
207         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
208
209 2009-05-15  Ian Lance Taylor  <iant@google.com>
210
211         * alias.c (struct alias_set_entry_d): Rename from struct
212         alias_set_entry.  Change all uses.
213         * except.c (struct call_site_record_d): Rename from struct
214         call_site_record.  Change all uses.
215         * except.h (struct eh_region_d): Rename from struct eh_region.
216         Change all uses.
217         * gcse.c (struct hash_table_d): Rename from struct hash_table.
218         Change all uses.
219         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
220         ivtype_map_elt.  Change all uses.
221         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
222         Change all uses.
223         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
224         * graphite.h (struct name_tree_d): Rename from struct name_tree.
225         Change all uses.
226         (struct sese_d): Rename from struct sese.  Change all uses.
227         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
228         uses.
229         (struct omega_pb_d): Rename from struct omega_pb.  Change all
230         uses.
231         * optabs.h (struct optab_d): Rename from struct optab.  Change all
232         uses.
233         (struct convert_optab_d): Rename from struct convert_optab.
234         Change all uses.
235         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
236         ipa_opt_pass.  Change all uses.
237         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
238         all uses.
239
240         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
241         defined as a typedef.
242         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
243         defined as a tag.
244
245 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
246
247         PR 16302
248         * fold-const.c (make_range,build_range_check,merge_ranges): Move
249         declaration to...
250         (merge_ranges): Returns bool. 
251         * tree.h (make_range): .. to here.
252         (build_range_check): Likewise.
253         (merge_ranges): Likewise. Renamed from merge_ranges.
254         * c-typeck.c (parser_build_binary_op): Update calls to
255         warn_logical_operator.
256         * c-common.c (warn_logical_operator): Add new warning.
257         * c-common.h (warn_logical_operator): Update declaration.
258         
259 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
260
261         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
262         conditional.
263         
264 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
265
266         * doc/install.texi: Document MPC requirements, flags etc.
267
268         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
269         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
270         Evaluate constant arguments.
271         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
272         (fold_builtin_1): Likewise, also evaluate constant arguments.
273         Remove superfluous break.
274         (do_mpc_ckconv): New.
275         * real.h: Include mpc.h.
276         * toplev.c (print_version): Output MPC version info if available.
277
278 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
279
280         * fold-const.c (fold_convert_const_real_from_real): Check for
281         overflow.
282
283 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
284
285         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
286         only once.
287
288 2009-05-15  Jan Hubicka  <jh@suse.cz>
289
290         * doc/invoke.texi (max-early-inliner-iterations): New flag.
291         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
292         (try_inline): Fix return value.
293         (cgraph_decide_inlining_incrementally): Honor new value.
294         (cgraph_early_inlining): Handle indirect inlining.
295         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
296
297 2009-05-15  Jan Hubicka  <jh@suse.cz>
298
299         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
300         * cgraphunit.c (cgraph_finalize_function): Set it.
301         (cgraph_expand_function): Use it.
302
303 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
304
305         * real.c (encode_ieee_half): Define.
306         (decode_ieee_half): Define.
307         (ieee_half_format): Define.
308         (arm_half_format): Define.
309         * real.h (ieee_half_format): Declare.
310         (arm_half_format): Declare.
311
312 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
313
314         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
315         swapped, and reversed optabs exist before trying to use them.
316
317 2009-05-15  Paul Brook  <paul@codesourcery.com>
318             Sandra Loosemore  <sandra@codesourcery.com>
319
320         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
321         loads.  Allow PRE_DEC.
322         (output_move_neon): Handle PRE_DEC.
323         (arm_print_operand): Add 'A' for neon structure loads.
324         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
325         * config/arm/neon.md (neon_mov): Update comment.
326         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
327         calls.
328         (Um): New constraint.
329
330 2009-05-15  Jan Hubicka  <jh@suse.cz>
331
332         Revert the following patch until testsuite fallout is fixed:
333         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
334         * cgraph.h (struct inline_summary): New filed self_wize,
335         size_inlining_benefit, self_time and time_inlining_benefit.
336         (struct cgraph_global_info): Replace insns by time ans size fields.
337         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
338         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
339         (ipcp_update_callgraph): Do not touch function bodies.
340         * ipa-inline.c: Include except.h
341         MAX_TIME: New constant.
342         (overall_insns): Remove
343         (overall_size, max_benefit): New static variables.
344         (cgraph_estimate_time_after_inlining): New function.
345         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
346         (cgraph_clone_inlined_nodes): Update size.
347         (cgraph_mark_inline_edge): Update size.
348         (cgraph_estimate_growth): Use size info.
349         (cgraph_check_inline_limits): Check size.
350         (cgraph_default_inline_p): Likewise.
351         (cgraph_edge_badness): Compute badness based on benefit and size cost.
352         (cgraph_decide_recursive_inlining): Check size.
353         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
354         (cgraph_decide_inlining): Likewise.
355         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
356         (likely_eliminated_by_inlining_p): New predicate.
357         (estimate_function_body_sizes): New function.
358         (compute_inline_parameters): Use it.
359         * except.c (must_not_throw_labels): New function.
360         * except.h (must_not_throw_labels): Declare.
361         * tree-inline.c (init_inline_once): Kill inlining_weigths
362         * tree-ssa-structalias.c: Avoid uninitialized warning.
363         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
364         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
365         (PARAM_INLINE_CALL_COST): Remove.
366         (PARAM_EARLY_INLINING_INSNS): New.
367
368 2009-05-15  Richard Guenther  <rguenther@suse.de>
369
370         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
371         not TODO_update_ssa.
372
373 2009-05-15  Richard Guenther  <rguenther@suse.de>
374
375         PR tree-optimization/39999
376         * gimple.h (gimple_expr_type): Use the expression type looking
377         through useless conversions.
378         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
379         (vn_nary_op_insert_stmt): Likewise.
380         (simplify_binary_expression): Likewise.
381
382 2009-05-15  Richard Guenther  <rguenther@suse.de>
383
384         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
385         New options, enabled by default.
386         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
387         Document.
388         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
389         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
390         * tree-ssa-structalias.c (gate_tree_pta): New function.
391         (pass_build_alias): Use it.
392
393 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
394
395         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
396         recurse on an invariant address if a conversion from a pointer
397         type to a wider integer type is involved.
398
399 2009-05-15  Jan Hubicka  <jh@suse.cz>
400
401         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
402         * cgraph.h (struct inline_summary): New filed self_wize,
403         size_inlining_benefit, self_time and time_inlining_benefit.
404         (struct cgraph_global_info): Replace insns by time ans size fields.
405         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
406         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
407         (ipcp_update_callgraph): Do not touch function bodies.
408         * ipa-inline.c: Include except.h
409         MAX_TIME: New constant.
410         (overall_insns): Remove
411         (overall_size, max_benefit): New static variables.
412         (cgraph_estimate_time_after_inlining): New function.
413         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
414         (cgraph_clone_inlined_nodes): Update size.
415         (cgraph_mark_inline_edge): Update size.
416         (cgraph_estimate_growth): Use size info.
417         (cgraph_check_inline_limits): Check size.
418         (cgraph_default_inline_p): Likewise.
419         (cgraph_edge_badness): Compute badness based on benefit and size cost.
420         (cgraph_decide_recursive_inlining): Check size.
421         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
422         (cgraph_decide_inlining): Likewise.
423         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
424         (likely_eliminated_by_inlining_p): New predicate.
425         (estimate_function_body_sizes): New function.
426         (compute_inline_parameters): Use it.
427         * except.c (must_not_throw_labels): New function.
428         * except.h (must_not_throw_labels): Declare.
429         * tree-inline.c (init_inline_once): Kill inlining_weigths
430         * tree-ssa-structalias.c: Avoid uninitialized warning.
431         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
432         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
433         (PARAM_INLINE_CALL_COST): Remove.
434         (PARAM_EARLY_INLINING_INSNS): New.
435         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
436         (inline-call-cost): Remove.
437         (early-inlining-insns): New.
438
439 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
440
441         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
442         for bounds.
443         (print_int_cst_bounds_in_octal_p): Likewise.
444         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
445         with subtypes.
446         * dwarf2out.c (base_type_die): Likewise.
447         (is_subrange_type): Delete.
448         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
449         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
450         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
451         the destination type is boolean.
452         (build_range_check): Do not special-case subtypes.
453         (fold_sign_changed_comparison): Likewise.
454         (fold_unary): Likewise.
455         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
456         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
457         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
458         * tree.c (subrange_type_for_debug_p): New predicate based on the former
459         is_subrange_type.
460         * tree.h (subrange_type_for_debug_p): Declare.
461         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
462         (convert_affine_scev): Remove call to above function.
463         (chrec_convert_aggressive): Likewise.
464         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
465         false for conversions involving subtypes.
466         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
467         (vrp_val_min): Likewise.
468         (needs_overflow_infinity): Likewise.
469         (extract_range_from_unary_expr): Likewise.
470
471 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
472
473         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
474         * config/frv/frv.c: Likewise.
475         * config/s390/s390.c: Likewise.
476         * config/sparc/sparc.h: Likewise.
477         * config/i386/i386.h: Likewise.
478         * config/i386/i386.c: Likewise.
479         * config/crx/crx.c: Likewise.
480         * config/m68hc11/m68hc11.h: Likewise.
481         * config/iq2000/iq2000.c: Likewise.
482         * config/mn10300/mn10300.h: Likewise.
483         * config/mn10300/mn10300.c: Likewise.
484         * config/m68k/m68k.c: Likewise.
485         * config/rs6000/rs6000.c: Likewise.
486         * config/rs6000/xcoff.h: Likewise.
487         * config/rs6000/linux64.h: Likewise.
488         * config/rs6000/sysv4.h: Likewise.
489         * config/score/score3.c: Likewise.
490         * config/score/score7.c: Likewise.
491         * config/score/score.c: Likewise.
492         * config/arm/arm.md: Likewise.
493         * config/mips/mips.c: Likewise.
494         * config/mips/mips.md: Likewise.
495         * config/bfin/bfin.h: Likewise.
496         * config/pa/pa.c: Likewise.
497         * config/pa/constraints.md: Likewise.
498
499         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
500         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
501         * config/pdp11/pdp11.h: Use memory_address_p instead.
502
503 2009-05-14  Ian Lance Taylor  <iant@google.com>
504
505         * passes.c (finish_optimization_passes): Change i to int.
506         * plugin.c (plugins_active_p): Change event to int.
507         (dump_active_plugins): Likewise.
508         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
509         Add cast.
510         * tree.c (tree_range_check_failed): Change c to unsigned int.
511         (omp_clause_range_check_failed): Likewise.
512         (build_common_builtin_nodes): Change mode to int.  Add cast.
513         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
514         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
515
516         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
517         ++ or -- with a variable of enum type.
518
519 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
520
521         PR driver/40144
522         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
523
524 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
525
526         * store-motion.c: Do not include params.h
527         * Makefile.in: Fix dependencies for various files.
528
529 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
530
531         * auto-inc-dec.c: Fix pass description, remove apparent
532         accidental duplication.
533
534 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
535
536         PR middle-end/40147
537         * ipa-utils.h (memory_identifier_string): Moved to ...
538         * tree.h (memory_identifier_string): Here.  Add GTY(()).
539
540 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
541
542         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
543         in the former documentation of...
544         (GO_IF_LEGITIMATE_ADDRESS): ... this.
545         * ira-conflicts.c (get_dup_num): Use address_operand.
546         * targhooks.c (default_legitimate_address_p): New.
547         * targhooks.h (default_legitimate_address_p): New.
548         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
549         Call hook.
550         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
551         * target.h (struct target): Add legitimate_address_p.
552         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
553         (TARGET_INITIALIZER): Include it.
554
555         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
556         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
557         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
558         (TARGET_LEGITIMATE_ADDRESS_P): New.
559
560         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
561         (REG_OK_STRICT_P): Delete.
562         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
563         (frv_legitimate_address_p_1): ... this.
564         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
565         (frv_legitimate_address_p_1): ... the renamed old
566         frv_legitimate_address_p.
567         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
568         (TARGET_LEGITIMATE_ADDRESS_P): New.
569
570         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
571         * config/s390/s390-protos.h (legitimate_address_p): Remove.
572         * config/s390/s390.c (legitimate_address_p): Rename to...
573         (s390_legitimate_address_p): ... this, make static.
574         (legitimize_address): Adjust call.
575         (TARGET_LEGITIMATE_ADDRESS_P): New.
576         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
577
578         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
579         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
580         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
581         (TARGET_LEGITIMATE_ADDRESS_P): New.
582
583         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
584         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
585         * config/spu/spu.c (spu_legitimate_address): Rename to...
586         (spu_legitimate_address_p): ... this, make static.
587         (TARGET_LEGITIMATE_ADDRESS_P): New.
588
589         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
590         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
591         * config/sparc/sparc.c (legitimate_address_p): Rename to...
592         (sparc_legitimate_address_p): ... this, make static and return bool.
593         (legitimize_address): Adjust call.
594         (TARGET_LEGITIMATE_ADDRESS_P): New.
595
596         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
597         * config/i386/i386-protos.h (legitimate_address_p): Remove.
598         * config/i386/i386.c (legitimate_address_p): Rename to...
599         (ix86_legitimate_address_p): ... this, make static.
600         (constant_address_p): Move after it, adjust call.
601         (TARGET_LEGITIMATE_ADDRESS_P): New.
602
603         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
604         * config/avr/avr-protos.h (legitimate_address_p): Remove.
605         * config/avr/avr.c (legitimate_address_p): Rename to...
606         (avr_legitimate_address_p): ... this, make static.
607         (legitimize_address): Adjust call.
608         (TARGET_LEGITIMATE_ADDRESS_P): New.
609
610         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
611         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
612         * config/crx/crx.c (crx_legitimate_address_p): Make static.
613         (TARGET_LEGITIMATE_ADDRESS_P): New.
614
615         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
616         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
617         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
618         (TARGET_LEGITIMATE_ADDRESS_P): New.
619
620         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
621         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
622         Remove.
623         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
624         Make static.
625         (TARGET_LEGITIMATE_ADDRESS_P): New.
626
627         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
628         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
629         Remove.
630         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
631         Rename to...
632         (m68hc11_legitimate_address_p): ... this, make static.
633         (go_if_legitimate_address_internal): Rename to...
634         (m68hc11_legitimate_address_p_1): ... this.
635         (legitimize_address): Adjust call.
636         (TARGET_LEGITIMATE_ADDRESS_P): New.
637
638         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
639         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
640         Remove.
641         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
642         Make static.
643         (TARGET_LEGITIMATE_ADDRESS_P): New.
644
645         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
646         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
647         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
648         (mn10300_legitimate_address_p): ... this, make static.
649         (TARGET_LEGITIMATE_ADDRESS_P): New.
650
651         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
652         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
653         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
654         (TARGET_LEGITIMATE_ADDRESS_P): New.
655
656         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
657         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
658         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
659         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
660         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
661         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
662         (rs6000_legitimate_address_p): ... this, make static.
663         (TARGET_LEGITIMATE_ADDRESS_P): New.
664         (REG_MODE_OK_FOR_BASE_P): Delete.
665         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
666
667         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
668         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
669         Delete.
670         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
671         static, adjust types.
672         (TARGET_LEGITIMATE_ADDRESS_P): New.
673
674         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
675         * config/score/score.c (score_address_p): Rename to...
676         (score_legitimate_address_p): ... this.
677         (TARGET_LEGITIMATE_ADDRESS_P): New.
678         * config/score/score3.c (score3_address_p): Rename to...
679         (score3_legitimate_address_p): ... this.
680         * config/score/score7.c (score7_address_p): Rename to...
681         (score7_legitimate_address_p): ... this.
682
683         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
684         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
685         GO_IF_LEGITIMATE_ADDRESS): Delete.
686         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
687         thumb2_legitimate_address_p): Delete.
688         (arm_legitimate_address_p): Rename to...
689         (arm_legitimate_address_outer_p): ... this.
690         * config/arm/constraints.md ("Uq"): Adjust call.
691         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
692         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
693         (arm_legitimate_address_outer_p): ... this.
694         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
695         (TARGET_LEGITIMATE_ADDRESS_P): New.
696
697         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
698         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
699         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
700         (TARGET_LEGITIMATE_ADDRESS_P): New.
701
702         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
703         * config/vax/vax-protos.h (legitimate_address_p): Remove.
704         * config/vax/vax.c (legitimate_address_p): Rename to...
705         (vax_legitimate_address_p): ... this, make static.
706         (TARGET_LEGITIMATE_ADDRESS_P): New.
707
708         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
709         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
710         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
711         (TARGET_LEGITIMATE_ADDRESS_P): New.
712
713         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
714         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
715         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
716         (mmix_legitimate_address_p): ... this, make static.
717         (TARGET_LEGITIMATE_ADDRESS_P): New.
718
719         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
720         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
721         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
722         (TARGET_LEGITIMATE_ADDRESS_P): New.
723
724 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
725
726         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
727         of MODE_COMPLEX_INT.
728
729 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
730
731         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
732         LCT_NORMAL in function call.
733         * mips-tdump.c (print_file_desc): Add cast to enum type.
734         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
735         (mark_stabs): Add casts to enum types.
736         (parse_stabs_common): Add casts to enum types.
737
738 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
739
740         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
741         Check for invalid values of LETTER.
742
743 2009-05-13  Taras Glek  <tglek@mozilla.com>
744
745         * attribs.c (register_attribute): moved out attribute registration into
746         register_attribute.
747         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
748         * gcc-plugin.h: Added forward decl for register_attribute.
749         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
750         * plugin.c (register_callback, invoke_plugin_callbacks): Added
751         PLUGIN_ATTRIBUTES boilerplate.
752
753 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
754
755         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
756         values even in sentinel and empty entries.
757         (ms_printf_flag_specs):  Likewise.
758         (ms_scanf_flag_specs):  Likewise.
759         (ms_strftime_flag_specs):  Likewise.
760         (ms_print_char_table):  Likewise.
761         (ms_scan_char_table):  Likewise.
762         (ms_time_char_table):  Likewise.
763
764 2009-05-13  Doug Kwan  <dougkwan@google.com>
765
766         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
767
768 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
769
770         * config/mips/mips.md (store): Add attributes for QI and HI.
771         Update comment.
772         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
773         (truncdi<mode>2): ... this new pattern.
774
775 2009-05-13  Brad Hards  <bradh@kde.org>
776
777         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
778
779 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
780             Ben Elliston <bje@au.ibm.com>
781
782         PR middle-end/40035
783         * dse.c (check_mem_read_rtx): Guard against width == -1.
784
785 2009-05-13  Michael Matz  <matz@suse.de>
786
787         PR middle-end/39976
788         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
789         (trivially_conflicts_p): New function.
790         (insert_backedge_copies): Use it.
791
792 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
793
794         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
795         (handle_stdc_pragma): Use new enum constant names.
796         (handle_pragma_float_const_decimal64): Ditto.
797
798 2009-05-13  Ian Lance Taylor  <iant@google.com>
799
800         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
801         tree.def.
802
803 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
804
805         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
806         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
807         multilibs.
808         * config/m68k/m68k.h (FL_UCLINUX): Define.
809
810 2009-05-13  Jan Hubicka  <jh@suse.cz>
811
812         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
813
814 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
815
816         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
817         unless -fschedule-insns is specified.
818
819 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
820
821         PR target/39561
822         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
823         TARGET_EXPAND_CBRANCHDI4.
824         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
825         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
826         (cmpeqdi): Fix comment.
827
828 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
829
830         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
831         (sh_legitimate_address_p): Likewise.
832         * config/sh/sh.c (sh_legitimate_index_p): New.
833         (sh_legitimate_address_p): Likewise.
834         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
835         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
836         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
837         (MAYBE_BASE_REGISTER_RTX_P): New macro.
838         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
839         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
840         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
841         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
842         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
843
844 2009-05-12  Jan Hubicka  <jh@suse.cz>
845
846         * tree-inline.c (estimate_operator_cost): Add operands;
847         when division happens by constant, it is cheap.
848         (estimate_num_insns): Loads and stores are not having cost of 0;
849         EH magic stuff is cheap; when computing runtime cost of switch,
850         use log2 base of amount of its cases; builtin_expect has cost of 0;
851         compute cost for moving return value of call.
852         (init_inline_once): Initialize time_based flags.
853         * tree-inline.h (eni_weights_d): Add time_based flag.
854
855 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
856
857         * df-core.c: Update head documentation.
858
859 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
860
861         PR bootstrap/40118
862         * rs6000.c (rs6000_generate_compare): Use op1b instead of
863         shadowing exisiting variable op1.
864
865 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
866
867         PR target/37179
868         * config/i386/driver-i386.c (processor_signatures): New enum.
869         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
870         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
871         processor signature to detect geode processor.
872
873 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
874
875         Revert:
876
877         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
878
879         * optabs.c (prepare_cmp_insn): Temporarily disable test that
880         causes spurious differences between trunk and cond-optab branch.
881
882 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
883
884         * dojump.c (compare_from_rtx): Delete.
885         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
886         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
887         if the comparison does not satisfy the predicate; test predicates for
888         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
889         further if one existing pattern fails.
890         * expr.h (compare_from_rtx): Delete.
891         (prepare_operand): Declare it.
892         * optabs.c: Change "lib call" to "libcall" throughout.
893         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
894         HAVE_conditional_trap, emit_cmp_insn): Delete.
895         (can_compare_p): Delete cmp_optab case.
896         (prepare_float_lib_cmp): Return an rtx and a machine mode.
897         Accept other parameters by value.
898         (prepare_operand): Make non-static.
899         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
900         other parameters by value.  Try to widen operands here based on
901         an optab_methods argument and looking at cbranch_optab.
902         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
903         loop.  Use cbranch_optab directly.
904         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
905         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
906         assertion.
907         (emit_conditional_move, emit_conditional_add): Inline what's needed
908         of compare_from_rtx, using new prepare_cmp_insn for the rest.
909         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
910         with COMPARE.  Move cmov_optab and cstore_optab above
911         with cbranch_optab, move cmp_optab down with ucmp_optab,
912         remove tst_otpab.  Do not initialize trap_rtx.
913         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
914         for trap code.  Do not check HAVE_conditional_trap.  Use
915         prepare_cmp_insn.  Accept no predicate for operand 3.
916         * optabs.h (OTI_cmp): Mark as used only for libcalls.
917         (OTI_ctrap, ctrap_optab): New.
918         (tst_optab): Delete.
919         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
920         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
921         with lookup of ctrap_optab.
922         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
923         setcc_gen_code): Delete.
924         (ctrap_optab): New.
925
926         * combine.c (combine_simplify_rtx, simplify_set): Do not
927         special case comparing against zero for cc0 machines.
928         * simplify-rtx.c (simplify_binary_operation_1): Never remove
929         COMPARE on cc0 machines.
930         (simplify_relational_operation): Return a new expression when
931         a COMPARE could be removed.
932         * final.c (final_scan_insn): Compare cc_status values
933         against LHS of a (compare FOO (const_int 0)) cc0 source.
934         Also check if cc_status.value is the full compare.
935
936         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
937         (cstoreMM4): Document.
938         (conditional_trap): Document ctrapMM4 instead.
939         (sync_compare_and_swapMM): Refer to cbranchcc4.
940         (Dependent Patterns): Eliminate obsolete information referring to
941         the old jump optimization phase.
942         (Canonicalization): Include cbranchcc4 case, omit canonicalization
943         of compares with 0 on cc0 machines.
944         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
945         avoiding references to cc0.  Remove text about storing operands
946         in cmpMM.
947         * doc/tm.texi (Condition Codes): Include blurb on different
948         condition code representations, separate into subsections for
949         CC0, MODE_CC and conditional execution.
950
951         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
952         alpha_emit_setcc): Accept operands and a machine mode.
953         * config/alpha/alpha.c (alpha_emit_conditional_branch):
954         Get code/op0/op1 from operands, use machine mode argument
955         instead of alpha_compare.fp_p.  Emit the branch here.
956         (alpha_emit_setcc): Likewise, and return boolean.
957         (alpha_emit_conditional_move): Likewise.  Assert that
958         cmp_op_mode == cmp_mode, and simplify accordingly.
959         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
960         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
961         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
962         Delete.
963         (stack probe test): Use cbranchdi4.
964         * config/alpha/predicates.md (alpha_cbranch_operator): New.
965
966         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
967         * config/arc/arc.h (movsicc, movsfcc): Use it.
968         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
969         (cbranchsi4, cstoresi4): New.
970         (cmpsi, bCC and sCC expanders): Remove. 
971
972         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
973         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
974         * config/arm/predicates.md (arm_comparison_operator): Only include
975         floating-point operators if there is a hardware floating-point unit.
976         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
977         deferring to cbranch_cc and cstore_cc respectively.
978         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
979         cbranch_cc, cstore_cc): New.
980         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
981         arm_compare_op1.
982         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
983
984         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
985         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
986         as an argument.
987         (adjust_insn_length): Adjust calls.
988         (avr_reorg): Handle (compare (foo) (const_int 0)).
989         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
990         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
991         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
992         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
993         (bCC): Remove.
994         (cbranchqi4, cbranchhi4, cbranchsi4): New.
995         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
996
997         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
998         (cbranchsi4, cstorebi4, cstoresi4): New.
999         (movbisi): This insn is duplicate, split it to zero_extend.
1000         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
1001         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
1002         (bfin_optimize_loop): Use cbranch expander.
1003         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
1004         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
1005         (bfin_bimode_comparison_operator): ... this.
1006         (bfin_direct_comparison_operator): New.
1007  
1008         * config/cris/cris.c (cris_normal_notice_update_cc): Look
1009         inside (compare FOO (const_int 0)).
1010         (cris_rtx_costs): Handle ZERO_EXTRACT.
1011         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
1012         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1013         (*tstdi_v32): Delete.
1014         (*cmpdi_non_v32): Add M alternative for operand 1.
1015         (cmpsi, cmp<mode>): Make private.
1016         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1017         with COMPARE.
1018         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1019
1020         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1021         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1022         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1023         (cc_reg_operand): New.
1024         (any_cond): Delete.
1025         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1026         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1027         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1028         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1029         crx_expand_scond): Delete.
1030
1031         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1032         (cbranchsi4): New.
1033         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1034         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1035
1036         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1037         cstoresi4, cstoresf4, cstoredf4): New.
1038         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1039         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1040         Receive the entire operands array.
1041         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1042         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1043         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1044         Get test/op0/op1 from the operands array.
1045         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1046
1047         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1048         (h8300_expand_store): New.
1049         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1050         (const_int 0)).
1051         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1052         (h8300_expand_store): New.
1053         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1054         or do not try to produce (set (cc0) REG).
1055         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1056         change a compare into a move to a scratch register.  Disable some
1057         peepholes when comparing with zero.
1058         (tstsi, tsthi, tstsi, cmpqi): Make private.
1059         (cmphi): Delete.
1060         (bCC, sCC): Delete.
1061         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1062         cstoresi4): New.
1063
1064         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1065         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1066         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1067         (ix86_emit_i387_log1p): Use cbranchxf2.
1068         (ix86_expand_setcc): Return void.
1069         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1070         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1071         cmp<MODEF>, cmpcc): Remove.
1072         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1073         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1074         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1075         (sCC and bCC expanders): Remove.
1076         (stack_protect_test): Use cbranchcc4.
1077
1078         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1079         Delete.
1080         (ia64_expand_compare): Accept three rtx by reference and return void.
1081         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1082         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1083         from *expr.  Update *expr with the BImode comparison to do.
1084         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1085         cmptf, bCC, sCC, conditional_trap): Delete.
1086         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1087         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1088         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1089         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1090         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1091
1092         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1093         type of last argument.
1094         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1095         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1096         use machine mode argument instead of branch_type.  Remove dead
1097         code for floating-point comparisons.
1098         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1099         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1100         Remove.
1101         (cbranchsi4, cstoresi4): New.
1102         * config/iq2000/predicates.md (reg_or_const_operand): New.
1103
1104         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1105         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1106         (b<code>_op): Rewrite to...
1107         (bcc_op): ... this, using match_operator.
1108         (s<code>_op): Rewrite to...
1109         (scc_op): ... this, using match_operator.
1110         (s<code>_24_op): Rewrite to...
1111         (scc_op_24): ... this, using match_operator.
1112         (s<code>_<mode>): Rewrite to...
1113         (cstore<mode>4): ... this, using match_operator.
1114         (s<code>_<mode>_24): Rewrite to...
1115         (cstore<mode>4_24): ... this, using match_operator.
1116         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1117         m32c_unpend_compare, m32c_expand_scc): Delete.
1118         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1119         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1120         (m32c_expand_movcc): Change NE to EQ if necessary.
1121         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1122
1123         * config/m32r/m32r-protos.h (gen_cond_store): New.
1124         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1125         (gen_cond_store): New, from sCC patterns.
1126         (m32r_expand_block_move): Use cbranchsi4.
1127         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1128         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1129         (cbranchsi4, cstoresi4): New.
1130         
1131         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1132         Delete.
1133         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1134         (m68hc11_notice_update_cc): Look into a compare with 0.
1135         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1136         Delete.
1137         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1138         cmphi, cmpqi, bCC): Delete.
1139         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1140         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1141         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1142         sets with COMPARE.
1143
1144         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1145         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1146         * config/m68k/constraints.md (H): New.
1147         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1148         the define_insn below.
1149         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1150         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1151         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1152         patterns): Wrap RHS with COMPARE.
1153         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1154         (*cmpdi_internal): Name this pattern.
1155         (cmpdi): Change to define_insn.
1156         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1157         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1158         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1159         predicate.
1160         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1161         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1162         (conditional_trap): Change to...
1163         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1164         (*conditional_trap): Use the ordered_comparison_operator and
1165         const1_operand predicates.
1166         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1167         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1168         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1169         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1170
1171         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1172         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1173         (mcore_gen_compare): New. 
1174         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1175         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1176         (mcore_gen_compare): ... this.
1177         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1178         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1179         (stack probe pattern): Use cbranchsi4.
1180
1181         * config/mips/predicates.md (mips_cstore_operator): New.
1182         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1183         * config/mips/mips.md (any_cond): Delete.
1184         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1185         always succeed.
1186         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1187         fixuns_truncsfdi2): Use cbranch patterns.
1188         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1189         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1190         Adjust call to mips_expand_conditional_branch.
1191         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1192         cstore<GPR:mode>4.
1193         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1194         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1195         * config/mips/mips.c (cmp_operands): Delete.
1196         (mips_emit_compare): Get comparison operands from *op0/*op1.
1197         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1198         that it succeeds.  Use op0/op1 instead of cmp_operands.
1199         (mips_expand_conditional_branch, mips_expand_conditional_move,
1200         mips_expand_conditional_trap): Likewise.
1201         (mips_block_move_loop): Use cbranch patterns. 
1202         * config/mips/mips.h (cmp_operands): Delete.
1203
1204         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1205         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1206         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1207         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1208         (*cmpcc_folded): Rename to...
1209         (*cmpdi_folded): this.
1210         (*cmpcc): Rename to...
1211         (*cmps): ... this.
1212         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1213         (bCC): Remove.
1214         (cbranchdi4): New.
1215         (cbranchdf4): New.  Handle invalid comparisons here.
1216         * config/mmix/predicates.md (float_comparison_operator): New.
1217
1218         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1219         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1220         * config/mn10300/mn10300.md (tst): Delete.
1221         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1222         Name these patterns and wrap RHS in a compare.
1223         (*cmpsi): Make this pattern private.  Include tst.
1224         (*cmpsf): Make this pattern private.
1225         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1226         (compare with zero peepholes): Likewise.
1227         (bCC): Remove.
1228         (cbranchsi4, cbranchsf4): New.
1229         (casesi): Use cbranchsi4.
1230
1231         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1232         hppa_branch_type): Delete.
1233         (return_addr_rtx): Use cbranchsi4.
1234         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1235         Emit CCFPmode comparison here.
1236         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1237         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1238         hppa_branch_type): Delete.
1239         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1240         (movsicc, movdicc): Remove references to hppa_compare_op0,
1241         hppa_compare_op1 and compare_from_rtx.
1242         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1243         (casesi): Use cbranchsi4.
1244
1245         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1246         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1247         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1248         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1249         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1250         (bCC): Delete.
1251         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1252         (*branch, *branch_inverted): New.
1253
1254         * config/picochip/picochip.md (cbranchhi4): Use
1255         ordered_comparison_operator.
1256         (cmphi, bCC): Remove.
1257
1258         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1259         (trap_comparison_operator): Delete.
1260         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1261         rs6000_emit_cbranch): Accept mode and operands.
1262         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1263         rs6000_compare_fp_p): Delete.   
1264         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1265         and op0/op1 from there.  Replace references to rs6000_compare_op0
1266         and rs6000_compare_op1.
1267         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1268         extract result from passed operands.
1269         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1270         extract loc from passed operands.
1271         (rs6000_emit_cmove): Likewise.
1272         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1273         rs6000_compare_fp_p): Delete.
1274         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1275         (cbranch<GPR>4, cbranch<FP>4): New.
1276         (cstore<mode>4): New.  Consolidate here all choices about when to use
1277         portable or specialized sCC sequences.
1278         (stack_protect_test): Use cbranchsi4.
1279         (conditional_trap): Replace with ctrap<GPR>4.
1280         (conditional trap insn): Replace trap_comparison_operator with
1281         ordered_comparison_operator. 
1282
1283         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1284         (s390_emit_prologue): Use ctrap.
1285         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1286         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1287         New predicates replacing...
1288         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1289         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1290         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1291         (add<mode>cc): Do not use s390_compare_op0/op1.
1292         (s<code>): Change to...
1293         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1294         (seq): Change to...
1295         (cstorecc4): ... this.  Handle EQ or NE equally.
1296         (*sne): Un-privatize for use in cstorecc4.
1297         (b<code>): Change to...
1298         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1299         (conditional_trap): Replace with...
1300         (ctrap<GPR>4, ctrap<FP>4): ... these.
1301         (stack_protect): Use cbranchcc4.
1302
1303         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1304         * config/score/score-protos.h (score_gen_cmp): Delete.
1305         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1306         (score_block_move-loop): Use cbranchsi4.
1307         * config/score/score.md (cbranchsi4): New.
1308         (cmpsi, bCC): Delete.
1309         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1310         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1311         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1312         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1313         * config/score/score3.h (score3_gen_cmp): Delete.
1314         * config/score/score7.h (score7_gen_cmp): Delete.
1315
1316         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1317         (sh_emit_scc_to_t): ... this.  Return void.
1318         (from_compare): Rename to...
1319         (sh_emit_compare_and_branch): ... this.
1320         (sh_emit_compare_and_set): New.
1321         (sh_expand_t_scc): Accept operands.
1322         * config/sh/predicates.md (sh_float_comparison_operator): New.
1323         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1324         (prepare_scc_operands): Rename to...
1325         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1326         arguments.
1327         (sh_emit_cheap_store_flag): New.
1328         (sh_emit_set_t_insn): New.
1329         (from_compare): Rename to...
1330         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1331         handling of TARGET_SH2E floating point to avoid recursive call.
1332         Generate branch here.
1333         (sh_emit_compare_and_set): New.
1334         (sh_expand_t_scc): Get op0/op1 from arguments.
1335         (sh_emit_cheap_store_flag): New.
1336         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1337         cases.
1338         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1339         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1340         (movsicc, movdicc): Do nothing when it recreated operands from
1341         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1342         prepare_scc_operands (now sh_emit_scc_to_t).
1343         (udivdi3): Use cstoresi4.
1344         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1345         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1346         (cbranchint4_media, cbranchfp4_media): New.
1347         (casesi): Use cbranchdi4.
1348         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1349         Delete.
1350         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1351         (movnegt): Remove second operand.
1352         (cbranchsf4, cbranchdf4): New.
1353         (stack_protect): Use cbranchdi4/cbranchsi4.
1354
1355         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1356         (gen_compare_reg): Accept comparison, extract part of it to...
1357         (gen_compare_reg_1): ... this. 
1358         (gen_compare_operator): Delete.
1359         (gen_v9_scc): Accept separate destination, comparison code and arms.
1360         Do not use sparc_compare_op0/sparc_compare_op1.
1361         (emit_scc_insn, emit_conditional_branch_insn): New.
1362         (emit_v9_brxx): Make static.  Remove useless assertion.
1363         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1364         emit_cmp_insn.
1365         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1366         * config/sparc/sparc-protos.h (gen_compare_reg,
1367         sparc_emit_float_lib_cmp): Adjust prototype.
1368         (emit_scc_insn, emit_conditional_branch_insn): New.
1369         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1370         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1371         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1372         iterators to the top.
1373         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1374         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1375         snedi_special_trunc): Delete.
1376         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1377         and snedi_special_trunc.
1378         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1379         cbranchdi4, cbranch<F:mode>4): New.
1380         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1381         here.  Use gen_compare_reg instead of gen_compare_operator.
1382         (conditional_trap): Replace with...
1383         (ctrapsi4, ctrapdi4): ... this.
1384         (stack_protect_test): Use cbranchcc4.
1385
1386         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1387         argument to rtx.
1388         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1389         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1390         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1391         from operands[0] or operands[3] depending on is_set.
1392         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1393         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1394         cmpdf, bCC), sCC: Remove.
1395         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1396         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1397         cstoredf4): New.
1398         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1399         spu_emit_branch_or_set.
1400
1401         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1402         Add two arguments.
1403         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1404         xstormy16_compare_op1): Delete.
1405         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1406         xstormy16_compare_op1): Delete. 
1407         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1408         Adjust calls.
1409         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1410         (cmphi, cmpsi, bCC): Remove.
1411
1412         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1413         (*cmpsi): ... this one.
1414         (cbranchsi4, cstoresi4): New.
1415         (bCC expanders): Delete.
1416         (sCC insns): Fold into...
1417         (*setcc): ... this one.
1418         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1419         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1420         (movsicc): Simplify.
1421         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1422
1423         * config/vax/vax-protos.h (cond_name): New.
1424         (vax_output_conditional_branch): Remove.
1425         * config/vax/vax.c (cond_name): New.
1426         (vax_output_conditional_branch): Remove.
1427         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1428         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1429         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1430         (bit<VAXint>): Wrap source with (compare).
1431         (b<code> and following unnamed pattern): Rename to *branch and
1432         *branch_reversed.  Change macroization to match_operator.
1433         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1434
1435         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1436         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1437         Change last argument to machine_mode.
1438         (xtensa_expand_scc): Add machine_mode argument.
1439         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1440         (gen_conditional_move, xtensa_expand_conditional_branch,
1441         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1442         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1443         Adjust operand numbers.
1444         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1445         Delete.
1446         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1447         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1448         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1449
1450 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1451
1452         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1453         causes spurious differences between trunk and cond-optab branch.
1454
1455 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1456
1457         PR target/37137
1458         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1459
1460 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1461
1462         * tree.c (iterative_hash_pointer): Delete.
1463         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1464         Hash UIDs and versions of SSA names.  Don't special-case built-in
1465         function declarations.
1466
1467 2009-05-11  Ian Lance Taylor  <iant@google.com>
1468
1469         PR bootstrap/40103
1470         * graphite.c: Force -Wc++-compat to only be a warning before
1471         #including "cloog/cloog.h".
1472
1473 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1474
1475         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1476         
1477 2009-05-11  Jan Hubicka  <jh@suse.cz>
1478
1479         * tree-ssa-loop-ivcanon.c: Include target.h
1480         (struct loop_size): new structure.
1481         (constant_after_peeling): New predicate.
1482         (tree_estimate_loop_size): New function.
1483         (estimated_unrolled_size): Rewrite for new estimates.
1484         (try_unroll_loop_completely): Use new estimates.
1485         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1486
1487 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1488
1489         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1490         libcpp interface change.
1491         (spu_macro_to_expand): Likewise.
1492
1493 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1494
1495         PR tree-optimization/40026
1496         * gimplify.c (gimplify_init_constructor): Change initial conditional
1497         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1498         optimize_compound_literals_in_ctor.
1499
1500 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1501
1502         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1503         New devices.
1504         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1505
1506 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1507
1508         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1509         HOST_WIDE_INT for gap.
1510
1511 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1512
1513         PR tree-optimization/40074
1514         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1515         account in group size and step comparison.
1516
1517 2009-05-11  Richard Guenther  <rguenther@suse.de>
1518
1519         * passes.c (init_optimization_passes): Strip now incorrect comment.
1520         (execute_function_todo): Do not set PROP_alias.
1521         * tree-pass.h (PROP_alias): Remove.
1522         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1523         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1524         * tree-nrv.c (pass_return_slot): Likewise.
1525         * tree-object-size.c (pass_object_sizes): Likewise.
1526         * tree-ssa-dom.c (pass_dominator): Likewise.
1527         (pass_phi_only_cprop): Likewise.
1528         * tree-ssa-dse.c (pass_dse): Likewise.
1529         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1530         (pass_cselim): Likewise.
1531         * tree-ssa-pre.c (pass_pre): Likewise.
1532         (pass_fre): Likewise.
1533         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1534         * tree-ssa-sink.c (pass_sink_code): Likewise.
1535         * tree-stdarg.c (pass_stdarg): Likewise.
1536         * tree-tailcall.c (pass_tail_calls): Likewise.
1537         * tree-vrp.c (pass_vrp): Likewise.
1538
1539 2009-05-10  Ian Lance Taylor  <iant@google.com>
1540
1541         * basic-block.h (enum profile_status): Break out of struct
1542         control_flow_graph.
1543         * cgraph.h (struct inline_summary): Break out of struct
1544         cgraph_local_info.
1545         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1546         of struct cgraph_order_sort.
1547         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1548         * cse.c (struct branch_path): Break out of struct
1549         cse_basic_block_data.
1550         * except.h (enum eh_region_type): Break out of struct eh_region.
1551         * gcc.c (enum add_del): Break out of struct modify_target.
1552         * genrecog.c (enum decision_type): Break out of struct decision_test.
1553         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1554         ggc_pch_data.
1555         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1556         * regmove.c (enum match_use): New enum, broken out of struct match.
1557         * sched-int.h (enum post_call_group): New enum, broken out of
1558         struct deps.
1559         (struct deps_reg): Break out of struct deps.
1560         * target.h (struct asm_int_op): Break out of struct gcc_target.
1561         * tree-eh.c (struct goto_queue_node): Break out of struct
1562         leh_tf_state.
1563         * tree-inline.h (enum copy_body_cge_which): Break out of
1564         copy_body_data.
1565         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1566
1567         * c-decl.c (in_struct, struct_types): New static variables.
1568         (pushtag): Add loc parameter.  Change all callers.
1569         (lookup_tag): Add ploc parameter.  Change all callers.
1570         (check_compound_literal_type): New function.
1571         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1572         -Wc++-compat, warn about struct/union/enum types defined within a
1573         struct or union.
1574         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1575         and loc parameters.  Change all callers.  Change error calls to
1576         error_at, using loc.  For a redefinition, if the location of the
1577         original definition is known, report it.  Set in_struct and
1578         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1579         (finish_struct): Add new parameters enclosing_in_struct and
1580         enclosing_struct_types.  Change all callers.  Set
1581         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1582         in the struct.  If in a struct, add this struct to struct_types.
1583         (start_enum): Add loc parameter.  Change all callers.  Use
1584         error_at for errors, using loc.  For a redefinition, if the
1585         location of the original definition is known, report it.  If in a
1586         struct, add this enum type to struct_types.  If -Wc++-compat warn
1587         if in sizeof, typeof, or alignof.
1588         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1589         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1590         (c_parser_enum_specifier): Get enum location for start_enum.
1591         (c_parser_struct_or_union_specifier): Get struct location for
1592         start_struct.  Save in_struct and struct_types status between
1593         start_struct and finish_struct.
1594         (c_parser_cast_expression): Get location of cast.
1595         (c_parser_alignof_expression): Get location of type.
1596         (c_parser_postfix_expression): Likewise.
1597         (c_parser_postfix_expression_after_paren_type): Add type_loc
1598         parameter.  Change all callers.  Call check_compound_literal_type.
1599         Use type_loc for error about variable size type.
1600         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1601         of an enum constant from an enum type defined in a struct or union.
1602         (c_cast_expr): Add loc parameter.  Change all callers.  If
1603         -Wc++-compat, warn about defining a type in a cast.
1604         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1605         (start_enum, start_struct, finish_struct): Update declarations.
1606         (parser_xref_tag, c_cast_expr): Update declarations.
1607         (check_compound_literal_type): Declare.
1608
1609 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1610
1611         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1612         for recent libcpp interface change.
1613         (rs6000_macro_to_expand): Likewise.
1614
1615 2009-05-10  Michael Matz  <matz@suse.de>
1616
1617         PR target/40031
1618         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1619         not at entry of function.
1620
1621 2009-05-10  Richard Guenther  <rguenther@suse.de>
1622
1623         PR tree-optimization/40081
1624         Revert
1625         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1626         using the main variant of the element type.  Do not fiddle with
1627         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1628
1629         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1630         structs with volatile fields.
1631
1632 2009-05-10  Jan Hubicka  <jh@suse.cz>
1633
1634         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1635         (estimate_move_cost): Assert that it does not get called for
1636         VOID_TYPE_P.
1637         (estimate_num_insns): Skip VOID types in argument handling.
1638         (optimize_inline_calls): Delete unreachable blocks and verify that
1639         callgraph is valid.
1640
1641 2009-05-10  Jan Hubicka  <jh@suse.cz>
1642
1643         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1644         * cgraph.c (cgraph_mark_address_taken_node): New function.
1645         (dump_cgraph_node): Dump new flag.
1646         * cgraph.h (struct cgraph_node): Add address_taken.
1647         (cgraph_mark_address_taken_node): New function.
1648         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1649         since new direct calls can be born.
1650
1651 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1652
1653         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1654         tok->val.node.node.
1655
1656 2009-05-10  Jan Hubicka  <jh@suse.cz>
1657
1658         PR middle-end/40084
1659         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1660         argument; rewrite.
1661         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1662         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1663         * tree-inline.c (copy_bb): Set frequency correctly.
1664         (fold_marked_statements): Update call to
1665         cgraph_update_edges_for_call_stmt.
1666
1667 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1668
1669         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1670         identifiers in diagnostics.
1671         * config/arm/arm.c (arm_handle_fndecl_attribute,
1672         arm_handle_isr_attribute): Likewise.
1673         * config/avr/avr.c (avr_handle_progmem_attribute,
1674         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1675         Likewise.
1676         * config/bfin/bfin.c (handle_int_attribute,
1677         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1678         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1679         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1680         Likewise.
1681         * config/darwin.c (darwin_handle_kext_attribute,
1682         darwin_handle_weak_import_attribute): Likewise.
1683         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1684         h8300_handle_eightbit_data_attribute,
1685         h8300_handle_tiny_data_attribute): Likewise.
1686         * config/i386/i386.c (ix86_handle_cconv_attribute,
1687         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1688         Likewise.
1689         * config/i386/winnt.c (ix86_handle_shared_attribute,
1690         ix86_handle_selectany_attribute): Likewise.
1691         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1692         * config/m32c/m32c.c (function_vector_handler): Likewise.
1693         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1694         m68hc11_handle_fntype_attribute): Likewise.
1695         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1696         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1697         * config/mips/mips.c (mips_insert_attributes,
1698         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1699         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1700         rs6000_handle_struct_attribute): Likewise.
1701         * config/sh/sh.c (sh_insert_attributes,
1702         sh_handle_resbank_handler_attribute,
1703         sh_handle_interrupt_handler_attribute,
1704         sh2a_handle_function_vector_handler_attribute,
1705         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1706         Likewise.
1707         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1708         * config/spu/spu.c (spu_handle_fndecl_attribute,
1709         spu_handle_vector_attribute): Likewise.
1710         * config/stormy16/stormy16.c
1711         (xstormy16_handle_interrupt_attribute): Likewise.
1712         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1713         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1714
1715 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1716
1717         * pretty-print.h (struct pretty_print_info): Add
1718         translate_identifiers.
1719         (pp_translate_identifiers): New.
1720         (pp_identifier): Only conditionally translate identifier to locale
1721         character set.
1722         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1723         (pp_base_tree_identifier): Only conditionally translate identifier
1724         to locale character set.
1725         * c-pretty-print.c (M_): Define.
1726         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1727         fragments for conditional translation with M_.
1728         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1729         identifier translation.
1730
1731 2009-05-10  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/40081
1734         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1735         using the main variant of the element type.  Do not fiddle with
1736         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1737
1738 2009-05-09  Jan Hubicka  <jh@suse.cz>
1739
1740         PR middle-end/40080
1741         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1742         indirect calls; verify cgraph afterwards.
1743
1744 2009-05-09  Jan Hubicka  <jh@suse.cz>
1745
1746         PR bootstrap/40082
1747         * ipa.c (update_inlined_to_pointer): New function.
1748         (cgraph_remove_unreachable_nodes): Use it.
1749
1750 2009-05-09  Jan Hubicka  <jh@suse.cz>
1751
1752         * tree-eh.c (struct leh_state): Remove prev_try.
1753         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1754         not track prev_try.
1755         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1756         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1757         remove_eh_handler_and_replace, foreach_reachable_handler,
1758         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1759         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1760         (gen_eh_region_cleanup): Update prototype.
1761
1762 2009-05-09  Jan Hubicka  <jh@suse.cz>
1763
1764         PR middle-end/40043
1765         * except.c (copy_eh_region): Always set prev_try.
1766         (redirect_eh_edge_to_label): Find outer try.
1767         (foreach_reachable_handler): When looking for prev try
1768         handle case where previous try is not going to be taken.
1769
1770 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1771
1772         PR tree-optimization/40049
1773         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1774         only vector/vector shifts, convert the type of the constant to the
1775         appropriate type to avoid building incorrect trees, which
1776         eventually have problems with garbage collection.
1777
1778 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1779
1780         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1781         -1 for complex floating-point types if honoring signed zeros.
1782
1783 2009-05-08  Jan Hubicka  <jh@suse.cz>
1784
1785         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1786         argument; handle correctly when profile is absent.
1787         (build_cgraph_edges): Update.
1788         (rebuild_cgraph_edges): Update.
1789         * cgraph.c: Do not include varray.h.
1790         (cgraph_set_call_stmt_including_clones): New function.
1791         (cgraph_create_edge_including_clones): Likewise
1792         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1793         (cgraph_update_edges_for_call_stmt): Handle clones.
1794         (cgraph_remove_node): Handle clone tree.
1795         (cgraph_remove_node_and_inline_clones): New function.
1796         (dump_cgraph_node): Dump clone tree.
1797         (cgraph_clone_node): Handle clone tree.
1798         (clone_function_name): Bring here from tree-inline.c.
1799         (cgraph_create_virtual_clone): New function.
1800         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1801         (cgraph_clone_info): New function.
1802         (strut cgraph_node): Add clone_info and new clone tree pointers.
1803         (cgraph_remove_node_and_inline_clones,
1804         cgraph_set_call_stmt_including_clones,
1805         cgraph_create_edge_including_clones,
1806         cgraph_create_virtual_clone): Declare.
1807         (cgraph_function_versioning): Use VEC argument.
1808         (compute_call_stmt_bb_frequency): Update prototype.
1809         (cgraph_materialize_all_clones): New function.
1810         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1811         (ipcp_create_replace_map): Update to VECtors.
1812         (ipcp_update_callgraph): Use virtual clones.
1813         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1814         (ipcp_update_profiling): Do not update local profiling.
1815         (ipcp_insert_stage): Use VECtors and virtual clones.
1816         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1817         (clone_of_p): New function.
1818         (cgraph_preserve_function_body_p): Use clone tree.
1819         (cgraph_optimize): Materialize clones.
1820         (cgraph_function_versioning): Update for VECtors.
1821         (save_inline_function_body): Use clone tree.
1822         (cgraph_materialize_clone): New function.
1823         (cgraph_materialize_all_clones): Likewise.
1824         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1825         * ipa.c: Include gimple.h.
1826         (cgraph_remove_unreachable_nodes): Use clone tree.
1827         * ipa-prop.c (ipa_note_param_call): Update call to
1828         compute_call_stmt_bb_frequencycall.
1829         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1830         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1831         (copy_bb): Handle updating of clone tree; add new edge when new call
1832         appears.
1833         (expand_call_inline): Be strict about every call having edge.
1834         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1835         (delete_unreachable_blocks_update_callgraph): New function.
1836         (tree_function_versioning): Use VECtors; always remove unreachable
1837         blocks and fold conditionals.
1838         * tree-inline.h: Do not include varray.h.
1839         (tree_function_versioning): Remove.
1840         * Makefile.in (GTFILES): Remove tree-inline.c
1841         * passes.c (do_per_function): Do only functions having body.
1842         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1843         tree.
1844
1845 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1846             Andrew Morrow  <acm@google.com>
1847
1848         PR c/36892
1849         * c-common.c (c_common_attribute_table): Permit deprecated
1850         attribute to take an optional argument.
1851         (handle_deprecated_attribute): If the optional argument to
1852         __attribute__((deprecated)) is not a string ignore the attribute
1853         and emit a warning.
1854
1855         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1856         * c-typeck.c (build_component_ref): Likewise.
1857         (build_external_ref): Likewise.
1858
1859         * toplev.c (warn_deprecated_use): Add an attribute argument.
1860         Emit the message associated with __attribute__((deprecated)).
1861
1862         * toplev.h (warn_deprecated_use): Updated.
1863
1864         * doc/extend.texi: Document new optional parameter to
1865         __attribute__((deprecated))
1866
1867 2009-05-08  Michael Eager <eager@eagercon.com>
1868
1869         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1870         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1871
1872 2009-05-08  Richard Guenther  <rguenther@suse.de>
1873
1874         PR tree-optimization/40062
1875         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1876         Avoid exponential behavior.
1877
1878 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1879
1880         PR rtl-optimization/33928
1881         PR 26854
1882         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1883         process_uses, build_single_def_use_links): New.
1884         (update_df): Update use_def_ref.
1885         (forward_propagate_into): Use get_def_for_use instead of use-def
1886         chains.
1887         (fwprop_init): Call build_single_def_use_links and let it initialize
1888         dataflow.
1889         (fwprop_done): Free use_def_ref.
1890         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1891         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1892         df_rd_simulate_one_insn): New.
1893         (df_rd_bb_local_compute_process_def): Update head comment.
1894         (df_chain_create_bb): Use the new RD simulation functions.
1895         * df.h (df_rd_simulate_artificial_defs_at_top, 
1896         df_rd_simulate_one_insn): New.
1897         * opts.c (decode_options): Enable fwprop at -O1.
1898         * doc/invoke.texi (-fforward-propagate): Document this.
1899
1900 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1901
1902         PR c/24581
1903         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1904         and one complex operand specially.
1905         * tree-complex.c (some_nonzerop): Do not identify a real value as
1906         zero if flag_signed_zeros.
1907
1908 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1909
1910         PR rtl-optimization/33928
1911         * loop-invariant.c (record_use): Fix && vs. || mishap.
1912
1913 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1914
1915         PR rtl-optimization/33928
1916         * loop-invariant.c (struct use): Add addr_use_p.
1917         (struct def): Add n_addr_uses.
1918         (struct invariant): Add cheap_address.
1919         (create_new_invariant): Set cheap_address.
1920         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1921         (record_uses): Pass df_ref to record_use.
1922         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1923         used only as such.
1924
1925 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1926
1927         * config/sh/sh.c: Do not include c-pragma.h.
1928
1929 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1930
1931         * config/spu/spu.c: Remove include of c-common.h.
1932
1933 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1934
1935         PR c/39037
1936         * c-common.h (mark_valid_location_for_stdc_pragma,
1937         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1938         clear_float_const_decimal64, float_const_decimal64_p): New.
1939         * c.opt (Wunsuffixed-float-constants): New.
1940         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1941         unsuffixed float constant, handle new warning.
1942         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1943         * c-decl.c (c_scope): New flag float_const_decimal64.
1944         (set_float_const_decimal64, clear_float_const_decimal64,
1945         float_const_decimal64_p): New.
1946         (push_scope): Set new flag.
1947         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1948         to use STDC pragmas.
1949         (c_parser_external_declaration): Ditto.
1950         (c_parser_compound_statement_nostart): Ditto.
1951         * c-pragma.c (valid_location_for_stdc_pragma,
1952         mark_valid_location_for_stdc_pragma,
1953         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1954         handle_pragma_float_const_decimal64): New.
1955         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1956         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1957         set_float_const_decimal64, clear_float_const_decimal64,
1958         float_const_decimal64_p): New dummy functions.
1959         * doc/extend.texi (Decimal Float): Remove statement that the
1960         pragma, and suffix for double constants, are not supported.
1961         * doc/invoke.texi (Warning Options): List new option.
1962         (-Wunsuffixed-float-constants): New.
1963
1964 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1965
1966         * config/i386/i386.c: Do not include c-common.h.
1967
1968 2009-05-07  Mark Heffernan  <meheff@google.com>
1969
1970         * doc/invoke.texi (Debugging Options): Document change of debugging
1971         dump location.
1972         * opts.c (decode_options): Make dump_base_name relative to
1973         aux_base_name directory.
1974
1975 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1976
1977         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1978         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1979
1980 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1981
1982         * Makefile.in (install-plugin): Simplify a bit.
1983
1984 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1985
1986         * Makefile.in (OBJS-common): Add regcprop.o.
1987         (regcprop.o): New.
1988         * timevar.def (TV_CPROP_REGISTERS): New.
1989         * regrename.c (regrename_optimize): Return 0.
1990         (rest_of_handle_regrename): Delete.
1991         (pass_rename_registers): Point to regrename_optimize.
1992         (struct value_data_entry, struct value_data, 
1993         kill_value_one_regno, kill_value_regno, kill_value,
1994         set_value_regno, init_value_data, kill_clobbered_value,
1995         kill_set_value, kill_autoinc_value, copy_value,
1996         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1997         replace_oldest_value_reg, replace_oldest_value_addr,
1998         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1999         debug_value_data, validate_value_data): Move...
2000         * regcprop.c: ... here.
2001         (rest_of_handle_cprop): Delete.
2002         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
2003
2004 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
2005
2006         PR middle-end/40057
2007         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
2008         GEN_INT for 1 << bitnum.
2009         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2010         build_int_cst_type.
2011
2012 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2015         Remove wrong description of "nand" operation.
2016
2017 2009-05-06  Richard Guenther  <rguenther@suse.de>
2018             Adam Nemet  <anemet@caviumnetworks.com>
2019
2020         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2021         comment.  Add that if LHS is not a gimple register, then RHS1 has
2022         to be a single object (GIMPLE_SINGLE_RHS).
2023
2024 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2025
2026         * expr.c (get_def_for_expr): Move it up in the file.
2027         (store_field): When expanding a bit-field store, look at the
2028         defining gimple stmt for the masking conversion.
2029
2030 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2031
2032         PR middle-end/39986
2033         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2034         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2035         32-bit memcpy into long.
2036
2037 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2038
2039         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2040         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2041         new_reg_loc_descr.
2042         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2043         instead of appending DW_OP_deref*.
2044
2045 2009-05-06  Michael Matz  <matz@suse.de>
2046
2047         PR middle-end/40021
2048         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2049         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2050
2051 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2052
2053         * Makefile.in (install-plugin): Fix srcdir handling.
2054
2055 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2056
2057         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2058         when processing for not_regs_needed bitmap.
2059         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2060         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2061         handling it for rhs. 
2062
2063 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2064
2065         * config/i386/i386.md (unnamed inc/dec peephole): Use
2066         optimize_insn_for_size_p instead of optimize_size.
2067         * config/i386/predicates.md (incdec_operand): Likewise.
2068         (aligned_operand): Likewise.
2069         * config/i386/sse.md (divv8sf3): Likewise.
2070         (sqrtv8sf2): Likewise.
2071
2072 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2073
2074         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2075
2076         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2077
2078 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2079
2080         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2081         ssemodesuffixf2c with avxmodesuffixf2c.
2082
2083 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2084
2085         PR c/40032
2086         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2087
2088 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2089
2090         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2091         (struct tree_base): Adjust spacing for 8 bit boundaries.
2092         (struct tree_decl_common): Add decl_by_reference_flag bit.
2093         (DECL_BY_REFERENCE): Adjust.
2094         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2095         print DECL_BY_REFERENCE bit.
2096         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2097         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2098         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2099         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2100         unconditionally.
2101
2102         PR middle-end/39666
2103         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2104         range of the type, but default label is missing, add it with one
2105         of the existing labels instead of adding a new label for it.
2106
2107 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2108
2109         * dwarf.h: Remove.
2110
2111 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2112
2113         * Makefile.in (enable_plugin, plugin_includedir): New.
2114         (install): Depend on install-plugin.
2115         (PLUGIN_HEADERS): New.
2116         (install-plugin): New.
2117         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2118
2119 2009-05-05  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/40022
2122         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2123         the only vuse.
2124         (phivn_valid_p): Fix tuplification error, simplify.
2125         (phiprop_insert_phi): Add dumps.
2126         (propagate_with_phi): Simplify.
2127
2128 2009-05-05  Richard Guenther  <rguenther@suse.de>
2129
2130         PR middle-end/40023
2131         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2132
2133 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2134
2135         * tree.h (strip_float_extensions): Remove duplicate declaration.
2136         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2137         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2138         block_ultimate_origin): Rearrange the declarations line to match the
2139         comment that indicates the .c file which the functions are defined.
2140         (dwarf2out_*, set_decl_rtl): Add comment.
2141         (get_base_address): Adjust comment.
2142         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2143         declarations line and add comment.
2144         (is_builtin_name): Add blank after function name, for clarity.
2145
2146 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2147
2148         * attribs.c (decl_attributes): Use %qE for identifiers in
2149         diagnostics.
2150         * cgraphunit.c (verify_cgraph_node): Translate function names to
2151         locale character set in diagnostics.
2152         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2153         diagnostics.
2154         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2155         Document that functions are named in UTF-8.
2156         * expr.c (expand_expr_real_1): Translate function names to locale
2157         character set in diagnostics.
2158         * gimplify.c (omp_notice_variable, omp_is_private,
2159         gimplify_scan_omp_clauses): Use %qE for identifiers in
2160         diagnostics.
2161         * langhooks.c (lhd_print_error_function): Translate function names
2162         to locale character set.
2163         * langhooks.h (decl_printable_name): Document that return value is
2164         in internal character set.
2165         * stmt.c: Include pretty-print.h
2166         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2167         diagnostics.
2168         (resolve_operand_name_1): Translate named operand name to locale
2169         character set.
2170         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2171         diagnostics.
2172         * toplev.c (announce_function): Translate function names to locale
2173         character set.
2174         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2175         (default_tree_printer): Use pp_identifier or translate identifiers
2176         to locale character set.  Mark "<anonymous>" for translation.
2177         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2178         for identifiers in diagnostics.
2179         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2180         diagnostics.
2181         * varasm.c (output_constructor): Use %qE for identifiers in
2182         diagnostics.
2183
2184 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2185
2186         * configure.ac: use ` ` instead of $()
2187         * configure: Regenerate.
2188
2189 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2190
2191         * config/pa/linux-atomic.c: Eliminate conditional include of
2192         errno.h on non-LP64 systems to simplify build requirements.
2193
2194 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2195
2196         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2197         diagnostics.
2198         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2199         and pass value to identifier_to_locale.
2200         (warn_variable_length_array): Make name a tree.
2201         (grokdeclarator): Separate diagnostic texts for named and unnamed
2202         declarators.  Use %qE for named declarators.
2203         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2204         diagnostics.
2205         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2206         identifiers in diagnostics.
2207         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2208         identifier_to_locale.  Mark "anonymous" strings for translation.
2209
2210 2009-05-04  Michael Eager <eager@eagercon.com>
2211
2212         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2213         address for DImode/DFmode only if double-precision FP regs.
2214
2215 2009-05-04  Michael Eager <eager@eagercon.com>
2216
2217         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2218         TARGET_SINGLE_FLOAT check.
2219
2220 2009-05-04  Michael Eager <eager@eagercon.com>
2221
2222         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2223
2224 2009-05-04  Michael Eager <eager@eagercon.com>
2225
2226         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2227         * config/rs6000/t-xilinx: New
2228
2229 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2230
2231         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2232         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2233         * gcc/explow.c (memory_address): Use target hook.
2234         * gcc/targhooks.c (default_legitimize_address): New.
2235         * gcc/targhooks.h (default_legitimize_address): New.
2236         * gcc/target.h (legitimize_address): New.
2237         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2238         (TARGET_INITIALIZER): Include it.
2239         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2240
2241         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2242         * config/bfin/bfin.c (legitimize_address): Remove.
2243         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2244         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2245         Remove.
2246         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2247         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2248
2249         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2250         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2251         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2252         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2253         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2254         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2255         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2256         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2257         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2258         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2259         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2260         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2261         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2262         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2263         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2264         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2265         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2266         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2267         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2268         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2269         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2270         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2271         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2272
2273         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2274         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2275         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2276         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2277         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2278         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2279         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2280         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2281         (thumb_legitimize_address): Delete.
2282         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2283         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2284         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2285         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2286         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2287         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2288         Delete.
2289         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2290         Delete.
2291
2292         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2293         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2294         * config/m32r/m32r.c (m32r_legitimize_address): New.
2295         * config/m68k/m68k.c (m68k_legitimize_address): New.
2296         * config/score/score.c (score_legitimize_address): Standardize.
2297         * config/score/score3.c (score3_legitimize_address): Standardize.
2298         * config/score/score3.h (score3_legitimize_address): Adjust.
2299         * config/score/score7.c (score7_legitimize_address): Standardize.
2300         * config/score/score7.h (score7_legitimize_address): Adjust.
2301         * config/sh/sh.c (sh_legitimize_address): New.
2302         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2303
2304         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2305         (s390_legitimize_address): ... this.
2306         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2307         (sparc_legitimize_address): ... this.
2308         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2309         (ix86_legitimize_address): ... this.
2310         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2311         (avr_legitimize_address): ... this.
2312         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2313         (mn10300_legitimize_address): ... this.
2314         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2315         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2316         (alpha_expand_mov): Adjust call.
2317
2318         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2319         * config/spu/spu.c (spu_legitimize_address): Likewise.
2320         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2321         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2322
2323 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2324
2325         * intl.c (locale_encoding, locale_utf8): New.
2326         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2327         * intl.h (locale_encoding, locale_utf8): Declare.
2328         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2329         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2330         New.
2331         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2332         argument.
2333         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2334         (pp_base_tree_identifier): Declare as function.
2335         (identifier_to_locale): Declare.
2336         * Makefile.in (pretty-print.o): Update dependencies.
2337         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2338
2339 2009-05-04  Richard Guenther  <rguenther@suse.de>
2340
2341         PR middle-end/40015
2342         * builtins.c (fold_builtin_memory_op): Do not decay to element
2343         type if the size matches the whole array.
2344
2345 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2346
2347         * expmed.c (synth_mult): When trying out a shift, pass the result
2348         of a signed shift.
2349
2350 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2351
2352         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2353         (shiftsub1_cost): New.
2354         (init_expmed): Compute shiftsub1_cost.
2355         (synth_mult): Optimize multiplications by constants of the form
2356         -(2^^m-1) for some constant positive integer m.
2357
2358 2009-05-03  Richard Guenther  <rguenther@suse.de>
2359
2360         PR c/39983
2361         * c-typeck.c (array_to_pointer_conversion): Do not built
2362         ADDR_EXPRs of arrays of pointer-to-element type.
2363         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2364         up wrong ADDR_EXPRs after-the-fact.
2365         * c-common.c (strict_aliasing_warning): Strip pointer
2366         conversions for obtaining the original type.
2367         * builtins.c (fold_builtin_memset): Handle array types.
2368         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2369         and array types
2370
2371 2009-05-03  Richard Guenther  <rguenther@suse.de>
2372
2373         PR middle-end/23329
2374         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2375         Do not lose casts from array types with unknown extent to array
2376         types with known extent.
2377         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2378         alias set compatibility.
2379
2380 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2381
2382         * flags.h (extra_warnings): Delete.
2383         * toplev.c (process_options): Handle Wuninitialized here.
2384         * opts.c (extra_warnings): Delete.
2385         (set_Wextra): Delete.
2386         (common_handle_option): -Wextra can be handled automatically.
2387         * c-opts.c (c_common_handle_option): Delete obsolete code.
2388         (c_common_post_options): Simplify comment.
2389         * common.opt (W): Add Var.
2390         (Wextra): Add Var.
2391         (Wuninitialized): Initialize to -1.
2392
2393 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2394             Richard Guenther  <rguenther@suse.de>
2395
2396         * expr.c (get_def_for_expr): New function.
2397         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2398         SSA rather than trees.
2399         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2400         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2401         
2402 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2403
2404         * c-common.c (reswords): Add _Imaginary.
2405         * c-common.c (enum rid): Add RID_IMAGINARY.
2406
2407 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2408
2409         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2410         Patch by Richard Guenther.
2411
2412 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2413
2414         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2415         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2416         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2417         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2418         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2419         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2420         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2421         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2422         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2423         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2424         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2425         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2426         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2427         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2428         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2429         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2430         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2431         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2432
2433 2009-05-02  Richard Guenther  <rguenther@suse.de>
2434
2435         PR tree-optimization/39940
2436         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2437         doing so.
2438
2439 2009-05-02  Richard Guenther  <rguenther@suse.de>
2440
2441         PR middle-end/40001
2442         * tree-ssa.c (execute_update_addresses_taken): Properly check
2443         if we can mark a variable DECL_GIMPLE_REG_P.
2444         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2445         back to the end of the function.
2446         (is_gimple_reg_type): Remove complex type special casing.
2447         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2448         if not optimizing.
2449
2450 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2451
2452         * doc/collect2.texi (Collect2): Document search path behaviour
2453         when configured with --with-ld.
2454
2455 2009-05-02  Jan Hubicka  <jh@suse.cz>
2456
2457         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2458         parameter; update callers.
2459         (coalesce_cost_edge): EH edges are costier because they needs
2460         splitting even if not critical and even more costier when there are
2461         multiple EH predecestors.
2462
2463 2009-05-02  Jan Hubicka  <jh@suse.cz>
2464
2465         * except.c (remove_eh_handler_and_replace): Handle updating after
2466         removing TRY blocks.
2467
2468 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2469
2470         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2471
2472 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2473
2474         * varasm.c: Do not include c-pragma.h.
2475         * attribs.c: Do not incude c-common.h.
2476
2477 2009-05-01  Michael Matz  <matz@suse.de>
2478
2479         * calls.c (initialize_argument_information): Handle SSA names like
2480         decls with a non MEM_P DECL_RTL.
2481
2482 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2483
2484         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2485         * ipa-utils.c: Likewise.
2486         * ipa-type-escape.c: Likewise.
2487         * cgraphunit.c Do not include c-common.h.
2488         * ipa-pure-const.c: Likewise.
2489         * tree-if-conv.c: Likewise.
2490         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2491         * ipa-struct-reorg.c: Likewise.
2492         * tree-nomudflap.c: Likewise.
2493         * tree-ssa-structalias.c: Likewise.
2494
2495 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2496
2497         * store-motion.c: Many cleanups to make this pass a first-class
2498         citizen instead of an appendix to gcse load motion.  Add TODO list
2499         to make this pass faster/cleaner/better.
2500
2501         (struct ls_expr): Post gcse.c-split cleanups.
2502         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2503         "stores" field to "avail_stores".
2504         (pre_ldst_mems): Rename to store_motion_mems.
2505         (pre_ldst_table): Rename to store_motion_mems_table.
2506         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2507         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2508         (ldst_entry): Rename to st_expr_entry, update users.
2509         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2510         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2511         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2512         update caller.
2513         (first_ls_expr): Rename to first_st_expr, update users.
2514         (next_ls_expr): Rename to next_st_expr, update users.
2515         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2516         fields properly for store motion instead of names inherited from load
2517         motion in gcse.c.
2518         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2519         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2520         are done with it.
2521
2522         (ae_kill): Rename to st_kill, update users.
2523         (ae_gen): Rename to st_avloc, update users.
2524         (transp): Rename to st_transp, update users.
2525         (pre_insert_map): Rename to st_insert_map, update users.
2526         (pre_delete_map): Rename to st_delete_map, update users.
2527         (insert_store, build_store_vectors, free_store_memory,
2528         one_store_motion_pass): Update for abovementioned changes.
2529
2530         (gcse_subst_count, gcse_create_count): Remove.
2531         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2532         and "n_stores_created", local variables.
2533
2534         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2535         use for_each_rtx.
2536
2537         (regvec, compute_store_table_current_insn): Remove.
2538         (reg_set_info, reg_clear_last_set): Remove.
2539         (compute_store_table): Use DF caches instead of local dataflow
2540         solvers.
2541
2542 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2543
2544         * c-objc-common.c (c_tree_printer): Print identifiers with
2545         pp_identifier, not pp_string.  Mark "({anonymous})" for
2546         translation.
2547         * c-pretty-print.c (pp_c_ws_string): New.
2548         (pp_c_cv_qualifier, pp_c_type_specifier,
2549         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2550         pp_c_storage_class_specifier, pp_c_function_specifier,
2551         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2552         pp_c_primary_expression, pp_c_postfix_expression,
2553         pp_c_unary_expression, pp_c_shift_expression,
2554         pp_c_relational_expression, pp_c_equality_expression,
2555         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2556         use pp_string and pp_c_ws_string in place of pp_identifier and
2557         pp_c_identifier for non-identifiers.  Mark English strings for
2558         translation.
2559         * c-pretty-print.h (pp_c_ws_string): Declare.
2560
2561 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2562             Roland McGrath <roland@redhat.com>
2563
2564         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2565         (ENABLE_LD_BUILDID): New configuration option.
2566         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2567         (LINK_BUILDID_SPEC): New macro.
2568         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2569         link_spec.
2570         * doc/install.texi: Document --enable-linker-build-id option.
2571         * configure: Rebuild.
2572         * config.in: Rebuild.
2573
2574 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2575
2576         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2577         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2578         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2579         MIPS_GP_SAVE_AREA_SIZE.
2580         * config/mips/mips.c (struct mips_frame_info): Update comment
2581         before arg_pointer_offset and hard_frame_pointer_offset.
2582         (mips_compute_frame_info): Update diagram before function: to
2583         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2584         indicate the position of frame_pointer_rtx with -fstack-protector and
2585         to show args_size.  Don't allocate cprestore area for leaf functions
2586         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2587         cprestore_size.
2588         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2589
2590 2009-04-30  Michael Matz  <matz@suse.de>
2591
2592         PR tree-optimization/39955
2593         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2594
2595 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2596
2597         * ira.c (setup_cover_and_important_classes):  Use safe macro
2598         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2599         directly.
2600         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2601         REG_CLASS_FOR_CONSTRAINT.
2602
2603 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2604
2605         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2606         instead of an int.
2607         * bitmap.c (bitmap_descriptor): Likewise.
2608         * ggc-common.c (loc_descriptor): Likewise.
2609         * varray.c (varray_descriptor): Likewise.
2610         * vec.c (vec_descriptor): Likewise.
2611
2612 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2613
2614         * Makefile.in (dce.o): Add $(EXCEPT_H).
2615         * dce.c: Include except.h and delete redundant vector definitions.
2616         (deletable_insn_p): Return false for non-call insns that can throw
2617         if DF is running.
2618
2619 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2620
2621         * gcse.c (ae_gen): Remove.
2622         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2623         and make non-static function to make it available in store-motion.c.
2624         Update call sites with search-and-replace.
2625         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2626         extract_mentioned_regs, extract_mentioned_regs_helper,
2627         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2628         store_killed_in_insn, store_killed_after, store_killed_before,
2629         build_store_vectors, insert_insn_start_basic_block, insert-store,
2630         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2631         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2632         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2633         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2634         and clean up to remove parts not used by store motion.
2635         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2636         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2637
2638 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2639
2640         PR target/38571
2641         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2642         when optimizing for size.
2643
2644 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2645
2646         * gcse.c (gcse_constant_p): Fix typo in last change.
2647
2648 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2649
2650         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2651
2652 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2653
2654         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2655
2656 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2657
2658         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2659         CONST_HIGH_PART result.
2660
2661 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2662
2663         * config/avr/avr.c (initial_elimination_offset): Rename to
2664         avr_initial_elimination_offset.
2665         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2666         change return type to bool.
2667         (avr_can_eliminate): New function.
2668         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2669         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2670         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2671         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2672         avr_initial_elimination_offset.
2673         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2674         (avr_initial_elimination_offset): Define.
2675
2676 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2677             Steven Bosscher  <steven@gcc.gnu.org>
2678
2679         PR rtl-optimization/39938
2680         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2681         * cfgrtl.c: Include insn-attr.h.
2682         (rest_of_pass_free_cfg): New function.
2683         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2684         * resource.c (init_resource_info): Remove call to df_analyze.
2685
2686 2009-04-29  Richard Guenther  <rguenther@suse.de>
2687
2688         PR target/39943
2689         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2690         allow conversion to signed integers.
2691
2692 2009-04-29  Richard Guenther  <rguenther@suse.de>
2693
2694         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2695         shifts of floating point vectors if the shift amount is
2696         a constant multiple of the element size.
2697
2698 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2699             Michael Matz  <matz@suse.de>
2700
2701         PR middle-end/39927
2702         PR bootstrap/39929
2703         * tree-outof-ssa.c (emit_partition_copy): New function.
2704         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2705         insert_part_to_rtx_on_edge): Perform the partition base var
2706         copy using emit_partition_copy.
2707         (insert_value_copy_on_edge): Convert constants to the right mode.
2708         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2709         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2710
2711 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2712
2713         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2714         scan backwards to try to find a constant to initialize it.
2715
2716         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2717         insn before the loop_end instruction, don't look past labels.
2718
2719 2009-04-29  Richard Guenther  <rguenther@suse.de>
2720
2721         PR middle-end/39937
2722         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2723         loose type conversions.
2724         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2725         stmts only if there are no uses of its definition.
2726
2727 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2728
2729         * config/bfin/bfin.h (splitting_loops): Declare.
2730         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2731         Reorder bit definitions to be ascending.
2732         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2733         * config/bfin/bfin.c (splitting_loops): New variable.
2734         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2735         (struct loop_info): Remove members INIT and LOOP_INIT.
2736         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2737         the LSETUP sequence.  Allow LC to be loaded from any register, but
2738         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2739         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2740         set to 1.
2741         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2742         of reload_completed.
2743
2744         From Jie Zhang:
2745         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2746
2747 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2748
2749         * Makefile.in (PLUGIN_VERSION_H): New.
2750         (OBJS-common): Remove plugin-version.o.
2751         (plugin.o): Depend on (PLUGIN_VERSION_H).
2752         (plugin-version.o): Remove.
2753         * configure: Regenerate
2754         * configure.ac: Create plugin-version.h.
2755         * gcc-plugin.h (plugin_gcc_version): Remove.
2756         (plugin_default_version_check): Change signature.
2757         * plugin-version.c: Remove.
2758         * plugin.c: Include plugin-version.h.
2759         (str_plugin_gcc_version_name): Remove.
2760         (try_init_one_plugin): Pass gcc version to plugin_init.
2761         (plugin_default_version_check): Both gcc and plugin versions are now
2762         arguments.
2763
2764 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2765         
2766         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2767         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2768         Remove special case testing for last insn of inner loops. Don't fail
2769         if the loop ends with a jump, emit an extra nop instead.
2770
2771         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2772         DREGS rather than comparing directly.  Remove code that tries to
2773         account for latencies.
2774
2775 2009-04-29  Richard Guenther  <rguenther@suse.de>
2776
2777         PR tree-optimization/39941
2778         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2779         eliminating an indirect call.
2780
2781 2009-04-29  Richard Guenther  <rguenther@suse.de>
2782
2783         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2784         parameter.  Allow invariants as base if !require_lvalue.
2785         (verify_gimple_assign_single): Adjust.
2786
2787 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2788
2789         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2790         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2791         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2792         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2793         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2794         a VEC_SELECT.
2795         * config/bfin/bfin.c (bfin_expand_builtin,
2796         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2797
2798 2009-04-28  Richard Guenther  <rguenther@suse.de>
2799
2800         * tree-vect-loop.c (get_initial_def_for_induction): Use
2801         correct types for pointer increment.
2802
2803 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2804
2805         * toplev.c (print_version): Update GMP version string calculation.
2806
2807 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2808
2809         PR rtl-optimization/39938
2810         * resource.c (init_resource_info): Add call to df_analyze.
2811
2812 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2813
2814         * config/alpha/alpha.md (usegp): Cast the result of
2815         alpha_find_lo_sum_using_gp to enum attr_usegp.
2816         * config/alpha/alpha.c (override_options): Remove end-of-structure
2817         marker element from cpu_table.  Use array size of cpu_table to handle
2818         -mcpu and -mtune options.
2819         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2820
2821 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2822
2823         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2824         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2825         tune_32 and tune_64.
2826         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2827         support on PowerPC.
2828         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2829         * config/rs6000/option-defaults.h: ... here.  New file.
2830         (OPT_64, OPT_32): Define.
2831         (MASK_64BIT): Define to 0 if not already defined.
2832         (OPT_ARCH64, OPT_ARCH32): Define.
2833         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2834         and tune_64.
2835
2836 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2837
2838         * config/arm/arm.c (arm_override_options): Emit error on using
2839         fpa with AAPCS.
2840
2841 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2842
2843         PR rtl-optimization/39914
2844         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2845         registers for allocnos created from user-defined variables only
2846         when not optimizing.
2847
2848 2009-04-28  Richard Guenther  <rguenther@suse.de>
2849
2850         PR middle-end/39937
2851         * fold-const.c (fold_binary): Use distribute_real_division only
2852         on float types.
2853
2854 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2855
2856         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2857         add hpux-stdint.h to tm_file.
2858         (hppa[12]*-*-hpux11*): Ditto.
2859         (ia64*-*-hpux*): Ditto.
2860         * config/hpux-stdint.h: New.
2861         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2862         __STDC_EXT__ for all compiles.
2863         * config/pa/pa-hpux.h: Ditto.
2864         * config/pa/pa-hpux10.h: Ditto.
2865         * config/pa/pa-hpux11.h: Ditto.
2866
2867 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2868
2869         * debug.h (set_name): Add comment.
2870
2871 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2872
2873         PR target/39929
2874         * config/darwin.c (machopic_gen_offset): Check
2875         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2876         * config/arm/arm.c (require_pic_register): Likewise.
2877
2878 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2879
2880         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2881         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2882         m32c_promote_prototypes): Delete.
2883
2884 2009-04-28  Michael Matz  <matz@suse.de>
2885
2886         PR middle-end/39922
2887         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2888         constants.
2889
2890 2009-04-28  Richard Guenther  <rguenther@suse.de>
2891
2892         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2893
2894 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2895
2896         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2897         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2898         * config/arm/arm-tune.md: Regenerate.
2899
2900 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2901
2902         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2903         block if there are complex incoming edges.
2904         (sel_merge_blocks): Remove useless assert.
2905         (sel_redirect_edge_and_branch): Check that edge was redirected.
2906         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2907         (sel_find_rgns): Delete declaration.
2908         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2909         the region when it is not a preheader.
2910
2911 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2912
2913         PR c/39323
2914         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2915
2916 2009-04-28  Richard Guenther  <rguenther@suse.de>
2917
2918         * tree.h (SSA_NAME_VALUE): Remove.
2919         (struct tree_ssa_name): Remove value_handle member.
2920         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2921         array for jump threading.
2922         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2923         SSA_NAME_VALUEs.
2924         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2925         * tree-flow.h (threadedge_initialize_values): Declare.
2926         (threadedge_finalize_values): Likewise.
2927         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2928         (SSA_NAME_VALUE): Define.
2929         (threadedge_initialize_values): New function.
2930         (threadedge_finalize_values): Likewise.
2931         * tree-ssa-dom.c (ssa_name_values): New global variable.
2932         (SSA_NAME_VALUE): Define.
2933         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2934
2935 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2936
2937         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2938         Use REPORT_VECTORIZED_LOCATIONS instead 
2939         REPORT_VECTORIZED_LOOPS.
2940         * tree-vectorizer.c (vect_verbosity_level): Make static.
2941         (vect_loop_location): Rename to vect_location.
2942         (vect_set_verbosity_level): Update comment.
2943         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2944         and vect_location.
2945         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2946         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2947         instead REPORT_UNVECTORIZED_LOOPS.
2948         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2949         and vect_loop_def to vect_external_def and vect_internal_def.
2950         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2951         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2952         REPORT_UNVECTORIZED_LOCATIONS.
2953         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2954         and vect_used_in_loop and to vect_unused_in_scope and 
2955         vect_used_in_scope.
2956         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2957         (vect_verbosity_level): Remove declaration.
2958         (vect_analyze_operations): Likewise.
2959         (vect_analyze_stmt): Declare.
2960         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2961         REPORT_UNVECTORIZED_LOCATIONS.
2962         (vect_get_loop_niters): Fix indentation.
2963         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2964         (vect_analyze_loop_operations): New function.
2965         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2966         vect_analyze_operations.
2967         (vect_is_simple_reduction): Use new names.
2968         (vectorizable_live_operation, vect_transform_loop): Likewise.
2969         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2970         to specify whether the data references can be a part of interleaving
2971         chain.
2972         (vect_analyze_data_ref_dependence): Use new names.
2973         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2974         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2975         * tree-vect-patterns.c (widened_name_p): Use new names.
2976         (vect_recog_dot_prod_pattern): Likewise.
2977         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2978         (process_use, vect_mark_stmts_to_be_vectorized, 
2979         vect_model_simple_cost, vect_model_store_cost,
2980         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2981         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2982         vectorizable_operation, vectorizable_type_demotion,
2983         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2984         vectorizable_condition): Likewise.
2985         (vect_analyze_operations): Split into vect_analyze_loop_operations
2986         and ...
2987         (vect_analyze_stmt): ... new function.
2988         (new_stmt_vec_info): Use new names.
2989         (vect_is_simple_use): Use new names and fix comment.
2990         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2991         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2992
2993 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2994
2995         PR target/39911
2996         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2997         and integer modes for x87 operands.  Do not ICE for unsupported size,
2998         generate error instead.  Generate error for unsupported operand types.
2999         ['z']: Do not handle HImode memory operands specially.  Warning
3000         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3001         types.  Do not ICE for unsupported size, generate error instead.
3002         (output_387_binary_op): Use %Z to output operands.
3003         (output_fp_compare): Ditto.
3004         (output_387_reg_move): Ditto.
3005
3006 2009-04-28  Ben Elliston  <bje@au.ibm.com>
3007
3008         PR c++/35652
3009         Revert:
3010
3011         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3012
3013         * builtins.c (c_strlen): Do not warn here.
3014         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3015         * c-common.c (pointer_int_sum): Take an explicit location.
3016         Warn about offsets out of bounds.
3017         * c-common.h (pointer_int_sum): Adjust declaration.
3018
3019 2009-04-27  Ian Lance Taylor  <iant@google.com>
3020
3021         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3022         names to symkind.
3023         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3024         * df-core.c (df_set_flags): Change return type to int.  Change
3025         type of old_flags to int.
3026         (df_clear_flags): Likewise.
3027         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3028         (df_get_conditional_uses): Likewise.
3029         * df.h (df_set_flags, df_clear_flags): Update declarations.
3030         * dwarf2out.c (struct indirect_string_node): Change type of form
3031         field to enum dwarf_form.
3032         (AT_string_form): Change return type to enum dwarf_form.
3033         * fixed-value.c (fixed_compare): Add cast to enum type.
3034         * fwprop.c (update_df): Change 0 to VOIDmode.
3035         * gensupport.c: Change 0 to UNKNOWN.
3036         * gimple.h (gimple_cond_code): Add cast to enum type.
3037         * haifa-sched.c (reemit_notes): Add cast to enum type.
3038         * hooks.c (hook_int_void_no_regs): Remove function.
3039         * hooks.h (hook_int_void_no_regs): Remove declaration.
3040         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3041         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3042         * real.c (real_arithmetic): Add cast to enum type.
3043         (real_compare): Likewise.
3044         * target.h (struct gcc_target): Change return type of
3045         branch_target_register_class to enum reg_class.
3046         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3047         default_branch_target_register_class.
3048         * targhooks.c (default_branch_target_register_class): New function.
3049         * targhooks.h (default_branch_target_register_class): Declare.
3050         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3051         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3052         cast to int.
3053         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3054         ERROR_MARK.
3055         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3056         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3057         * tree-vect-stmts.c (supportable_widening_operation): Don't
3058         initialize icode1 and icode2.
3059         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3060         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3061         and to STD_C89.
3062         (cmn_err_flag_specs): Change 0 to STD_C89.
3063         (cmn_err_char_table): Likewise.
3064         * config/arm/arm.c (get_arm_condition_code): Change type of code
3065         to enum arm_cond_code.
3066         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3067         (IWMMXT_BUILTIN2): Likewise.
3068         (neon_builtin_type_bits): Don't define typedef.
3069         (neon_builtin_datum): Change type of bits field to int.
3070         (arm_expand_neon_args): Add cast to enum type.
3071         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3072         TLS_MODEL_NONE.
3073         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3074         casts to enum type.
3075         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3076         MIPS_FP_COND_f.
3077         * config/mips/mips.md (jal_macro): Return enum constant.
3078         (single_insn): Likewise.
3079         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3080         CODE_FOR_nothing.
3081         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3082         casts to enum type.
3083         * config/s390/s390.c (s390_tune_flags): Change type to int.
3084         (s390_arch_flags): Likewise.
3085         (s390_handle_arch_option): Change flags field of struct pta to int.
3086         * config/s390/s390.h (s390_tune_flags): Update declaration.
3087         (s390_arch_flags): Likewise.
3088         * config/sh/sh.c (prepare_move_operands): Compare
3089         tls_symbolic_operand result with enum constant.
3090         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3091         (sh_expand_prologue): Add cast to enum type.
3092         (sh_expand_epilogue): Likewise.
3093         (tls_symbolic_operand): Change return type to enum tls_model.
3094         (fpscr_set_from_mem): Add cast to enum type.
3095         (legitimize_pic_address): Compare tls_symbolic_operand result with
3096         enum constant.
3097         (sh_target_reg_class): Change return type to enum reg_class.
3098         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3099         PROCESSOR_xxx.
3100         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3101         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3102         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3103         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3104         (delayed_branch, tls_call_delay): Likewise.
3105         (eligible_for_sibcall_delay): Likewise.
3106         (eligible_for_return_delay): Likewise. 
3107         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3108         (spu_expand_builtin_1): Likewise.
3109
3110         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3111         for all types of conversions.
3112         (output_init_element): Issue -Wc++-compat warning if needed when
3113         initializing a bitfield with enum type.
3114         * c-parser.c (c_parser_expression): Set original_type to
3115         original_type of right hand operand of comman operator.
3116
3117 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3118
3119         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3120         grammar nits.
3121         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3122         * doc/cpp.texi (Standard Predefined Macros)
3123         (Implementation-defined behavior): Likewise.
3124         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3125         * doc/gimple.texi (GIMPLE Exception Handling)
3126         (@code{GIMPLE_ASSIGN}): Likewise.
3127         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3128         * doc/invoke.texi (Warning Options, Optimize Options)
3129         (AVR Options, Darwin Options): Likewise.
3130         (Optimize Options): Reformulate -fwhole-program description.
3131         * doc/loop.texi (Lambda): Likewise.
3132         * doc/md.texi (Output Template, Define Constraints)
3133         (Standard Names, Insn Splitting): Likewise.
3134         * doc/options.texi (Option properties): Likewise.
3135         * doc/passes.texi (Tree-SSA passes): Likewise.
3136         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3137         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3138         (File Names and DBX): Likewise.
3139         * doc/trouble.texi (Incompatibilities): Likewise.
3140
3141 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3142
3143         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3144         instruction is correct.
3145
3146 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3147
3148         Allow non-constant arguments to conversion intrinsics.
3149         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3150         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3151         * spu.c (print_operand): Handle 'v' and 'w'.
3152         (exp2_immediate_p, spu_gen_exp2): Define.
3153         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3154         spu_convtf_1): Update parameter descriptions.
3155         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3156         * constraints.md ('v', 'w'): New.
3157         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3158         Remove.
3159         (i2f, I2F): New define_mode_attr.
3160         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3161         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3162         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3163         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3164         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3165         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3166         patterns for combine.
3167
3168 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3169
3170         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3171         (cprop, hoist, pre, store_motion): New debug counters.
3172         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3173         is not an RTL pass anymore.
3174         (pass_profiling): Remove extern decl for pass removed in 2005.
3175         (pass_gcse, pass_jump_bypass): Remove.
3176         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3177         to 0 for clean state.
3178         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3179         * cse.c (gate_handle_cse_after_global_opts,
3180         rest_of_handle_cse_after_global_opts): New functions.
3181         (pass_cse_after_global_opts): New pass, does local CSE.
3182         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3183         (TV_CPROP): New timevar.
3184         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3185         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3186         (gcse_main, recompute_all_luids): Remove.
3187         (compute_hash_table_work): Call max_reg_num instead of reading
3188         max_gcse_regno.
3189         (cprop_jump): Don't set run_jump_opt_after_gcse.
3190         (constprop_register): Always allow to alter jumps.
3191         (cprop_insn): Likewise.
3192         (do_local_cprop): Likewise.
3193         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3194         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3195         (find_implicit_sets): Add note about missed optimization opportunity.
3196         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3197         pass_rtl_cprop execute function.
3198         Don't bother tracking the pass number, each pass gets its own dumpfile
3199         now anyway.
3200         Always allow to alter jumpsand bypass jumps.
3201         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3202         will just find no suitable set.
3203         (pre_edge_insert): Fix dumping, this function is for PRE only.
3204         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3205         pass_rtl_pre execute function.
3206         (hoist_code): Return non-zero if something changed.  Keep track of
3207         substitutions and insertions for statistics gathering similar to PRE.
3208         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3209         called from the pass_rtl_hoist execute function.  Show pass statistics.
3210         (compute_store_table): Use max_reg_num directly instead of using the
3211         formerly global max_gcse_regno.
3212         (build_store_vectors): Likewise.
3213         (replace_store_insn): Fix dumping.
3214         (store_motion): Rename to ...
3215         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3216         pass, called from the pass_rtl_store_motion execute function.  Keep
3217         track of substitutions and insertions for statistics gathering similar
3218         to PRE.
3219         (bypass_jumps): Remove, fold interesting bits into ...
3220         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3221         from the pass_rtl_cprop execute function.
3222         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3223         pass_jump_bypass): Remove.
3224         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3225         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3226         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3227         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3228         (gate_rtl_store_motion, execute_rtl_store_motion,
3229         pass_rtl_store_motion): New.
3230         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3231         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3232         * passes.c (init_optimization_passes): Remove pass_gcse and
3233         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3234         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3235         instead of pass_jump_bypass.
3236
3237 2009-04-27  Richard Guenther  <rguenther@suse.de>
3238
3239         PR middle-end/39928
3240         * gimplify.c (gimplify_expr): If we are required to create
3241         a temporary make sure it ends up as register.
3242
3243 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3244
3245         PR target/39903
3246         * config/i386/i386.c (construct_container): Don't call
3247         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3248         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3249
3250 2009-04-27  Michael Matz  <matz@suse.de>
3251
3252         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3253         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3254         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3255         (dump_replaceable_exprs): Take a bitmap.
3256         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3257         array.
3258         (expand_gimple_basic_block): Likewise.
3259         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3260         replaceable_expressions member a bitmap.
3261         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3262         (mark_replaceable): Likewise.
3263         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3264         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3265
3266 2009-04-27  Richard Guenther  <rguenther@suse.de>
3267
3268         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3269         (verify_stmts): Dispatch to gimple/type verification code.
3270         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3271         issue with call argument types.
3272
3273 2009-04-27  Michael Matz  <matz@suse.de>
3274
3275         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3276         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3277         to above.
3278
3279 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3280             Eric Botcazou  <ebotcazou@adacore.com>
3281
3282         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3283         a label's basic block.
3284         (mark_target_live_regs): Tidy and rework obsolete comments.
3285         Change back DF problem to LIVE.  If a label starts a basic block,
3286         assume that all registers that used to be live then still are.
3287         (init_resource_info): If a label starts a basic block, set its
3288         BLOCK_FOR_INSN accordingly.
3289         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3290
3291 2009-04-27  Richard Guenther  <rguenther@suse.de>
3292
3293         * tree-flow-inline.h (function_ann): Remove.
3294         (get_function_ann): Likewise.
3295         * tree-dfa.c (create_function_ann): Remove.
3296         * tree-flow.h (struct static_var_ann_d): Remove.
3297         (struct function_ann_d): Likewise.
3298         (union tree_ann_d): Remove fdecl member.
3299         (function_ann_t): Remove.
3300         (function_ann, get_function_ann, create_function_ann): Remove
3301         declarations.
3302
3303 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3304
3305         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3306
3307 2009-04-27  Jan Hubicka  <jh@suse.cz>
3308
3309         * ipa-pure-const.c (struct funct_state_d): New fields
3310         state_previously_known, looping_previously_known; remove
3311         state_set_in_source.
3312         (analyze_function): Use new fields.
3313         (propagate): Avoid assumption that state_set_in_source imply
3314         nonlooping.
3315
3316         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3317         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3318         * cfgloop.h (finite_loop_p): Declare.
3319
3320 2009-04-26  Michael Matz  <matz@suse.de>
3321
3322         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3323
3324 2009-04-26  Michael Matz  <matz@suse.de>
3325
3326         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3327         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3328         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3329         pass_mark_used_blocks): Remove.
3330         * tree-optimize.c (pass_free_datastructures,
3331         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3332         * passes.c (init_optimization_passes): Don't call
3333         pass_mark_used_blocks, remove dead code.
3334
3335 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3336
3337         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3338         * tree-ssa-live.h (register_ssa_partition): Likewise.
3339
3340 2009-04-26  Michael Matz  <matz@suse.de>
3341
3342         Expand from SSA.
3343         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3344         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3345         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3346         SSA names. 
3347         (compare_pairs): Swap cost comparison.
3348         (coalesce_ssa_name): Don't use change_partition_var.
3349         * tree-nrv.c (struct nrv_data): Add modified member.
3350         (finalize_nrv_r): Set it.
3351         (tree_nrv): Use it to update statements.
3352         (pass_nrv): Require PROP_ssa.
3353         * tree-mudflap.c (mf_decl_cache_locals,
3354         mf_build_check_statement_for): Use make_rename_temp.
3355         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3356         * alias.c (find_base_decl): Handle SSA names.
3357         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3358         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3359         * rtl.h (set_reg_attrs_for_parm): Declare.
3360         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3361         to "optimized", remove unused locals at finish.
3362         (execute_free_datastructures): Make global, call
3363         delete_tree_cfg_annotations.
3364         (execute_free_cfg_annotations): Don't call
3365         delete_tree_cfg_annotations.
3366
3367         * ssaexpand.h: New file.
3368         * expr.c (toplevel): Include ssaexpand.h.
3369         (expand_assignment): Handle SSA names the same as register variables.
3370         (expand_expr_real_1): Expand SSA names.
3371         * cfgexpand.c (toplevel): Include ssaexpand.h.
3372         (SA): New global variable.
3373         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3374         (SSAVAR): New macro.
3375         (set_rtl): New helper function.
3376         (add_stack_var): Deal with SSA names, use set_rtl.
3377         (expand_one_stack_var_at): Likewise.
3378         (expand_one_stack_var): Deal with SSA names.
3379         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3380         before unique numbers.
3381         (expand_stack_vars): Use set_rtl.
3382         (expand_one_var): Accept SSA names, add asserts for them, feed them
3383         to above subroutines.
3384         (expand_used_vars): Expand all partitions (without default defs),
3385         then only the local decls (ignoring those expanded already).
3386         (expand_gimple_cond): Remove edges when jumpif() expands an
3387         unconditional jump.
3388         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3389         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3390         SSA name.
3391         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3392         members of SA; deal with PARM_DECL partitions here; expand
3393         all PHI nodes, free tree datastructures and SA.  Commit instructions
3394         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3395         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3396         info and statements at start, collect garbage at finish.
3397         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3398         (VAR_ANN_PARTITION) Remove.
3399         (change_partition_var): Don't declare.
3400         (partition_to_var): Always return SSA names.
3401         (var_to_partition): Only accept SSA names.
3402         (register_ssa_partition): Only check argument.
3403         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3404         member.
3405         (delete_var_map): Don't free it.
3406         (var_union): Only accept SSA names, simplify.
3407         (partition_view_init): Mark only useful SSA names as used.
3408         (partition_view_fini): Only deal with SSA names.
3409         (change_partition_var): Remove.
3410         (dump_var_map): Use ssa_name instead of partition_to_var member.
3411         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3412         basic blocks.
3413         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3414         (struct _elim_graph): New member const_dests; nodes member vector of
3415         ints.
3416         (set_location_for_edge): New static helper.
3417         (create_temp): Remove.
3418         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3419         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3420         (new_elim_graph): Allocate const_dests member.
3421         (clean_elim_graph): Truncate const_dests member.
3422         (delete_elim_graph): Free const_dests member.
3423         (elim_graph_size): Adapt to new type of nodes member.
3424         (elim_graph_add_node): Likewise.
3425         (eliminate_name): Likewise.
3426         (eliminate_build): Don't take basic block argument, deal only with
3427         partition numbers, not variables.
3428         (get_temp_reg): New static helper.
3429         (elim_create): Use it, deal with RTL temporaries instead of trees.
3430         (eliminate_phi): Adjust all calls to new signature.
3431         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3432         (rewrite_trees): Only do checking.
3433         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3434         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3435         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3436         contains_tree_r, MAX_STMTS_IN_LATCH,
3437         process_single_block_loop_latch, analyze_edges_for_bb,
3438         perform_edge_inserts): Remove.
3439         (expand_phi_nodes): New global function.
3440         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3441         functions, initialize new parameter, remember partitions having a
3442         default def.
3443         (finish_out_of_ssa): New global function.
3444         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3445         don't reset in_ssa_p here, don't disable TER when mudflap.
3446         (pass_del_ssa): Remove.
3447         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3448         partition members.
3449         (execute_free_datastructures): Declare.
3450         * Makefile.in (SSAEXPAND_H): New variable.
3451         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3452         * basic-block.h (commit_one_edge_insertion): Declare.
3453         * passes.c (init_optimization_passes): Move pass_nrv and
3454         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3455         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3456         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3457         (redirect_branch_edge): Deal with super block when expanding, split
3458         out jump patching itself into ...
3459         (patch_jump_insn): ... here, new static helper.
3460
3461 2009-04-26  Michael Matz  <matz@suse.de>
3462
3463         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3464         beyond num_ssa_names.
3465         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3466         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3467
3468 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3469
3470         PR inline-asm/39543
3471         * fwprop.c (forward_propagate_asm): New function.
3472         (forward_propagate_and_simplify): Propagate also into __asm, if it
3473         doesn't increase the number of referenced registers.
3474
3475         PR c/39889
3476         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3477
3478 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3479
3480         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3481         note_nonlocal_vla_type for nonlocal VLAs.
3482         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3483         contains_remapped_vars, remap_vla_decls): New functions.
3484         (convert_nonlocal_reference_stmt): If not optimizing, call
3485         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3486         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3487         if it wasn't found in var_map.
3488         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3489         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3490         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3491         declare_vars.
3492         * gimplify.c (nonlocal_vlas): New variable.
3493         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3494         referenced VLAs.
3495         (gimplify_body): Create and destroy nonlocal_vlas.
3496
3497         * dwarf2out.c (loc_descr_plus_const): New function.
3498         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3499         mem_loc_descriptor, loc_descriptor_from_tree_1,
3500         descr_info_loc, gen_variable_die): Use it.
3501
3502         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3503         !TREE_STATIC VAR_DECLs.
3504         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3505         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3506         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3507         DECL_BY_REFERENCE is valid.
3508         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3509         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3510         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3511         Copy DECL_BY_REFERENCE.
3512         (struct nesting_copy_body_data): New type.
3513         (nesting_copy_decl): New function.
3514         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3515         if they have variable length.
3516
3517 2009-04-26  Michael Matz  <matz@suse.de>
3518
3519         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3520         mark new temporaries for renaming.
3521
3522 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3523
3524         PR c/39581
3525         * c-decl.c (global_bindings_p): Return negative value.
3526         (c_variable_size): New.  Based on variable_size from
3527         stor-layout.c.
3528         (grokdeclarator): Call c_variable_size not variable_size.
3529
3530 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3531
3532         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3533
3534 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3535
3536         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3537         Redefine it to just use mingw/include.
3538         (ASM_SPEC): Rules for -m32 and -m64.
3539         (LINK_SPEC): Use Likewise.
3540         (SPEC_32): New define.
3541         (SPEC_64): Likewise.
3542         (SUB_LINK_SPEC): Likewise.
3543         (MULTILIB_DEFAULTS): New define.
3544         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3545         Add multilib options.
3546         (MULTILIB_DIRNAMES): Likewise.
3547         (MULTILIB_OSDIRNAMES): Likewise.
3548         (LIBGCC): Likewise.
3549         (INSTALL_LIBGCC): Likewise.
3550
3551 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3552
3553         PR c/39556
3554         * c-tree.h (enum c_inline_static_type): New.
3555         (record_inline_static): Declare.
3556         * c-decl.c (struct c_inline_static, c_inline_statics,
3557         record_inline_static, check_inline_statics): New.
3558         (pop_file_scope): Call check_inline_statics.
3559         (start_decl): Call record_inline_static instead of pedwarning
3560         directly for static in inline function.
3561         * c-typeck.c (build_external_ref): Call record_inline_static
3562         instead of pedwarning directly for static referenced in inline
3563         function.
3564
3565 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3566
3567         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3568         not new but only being rescanned.
3569         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3570         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3571         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3572         record_set_info, compute_set, grealloc): Remove.
3573         (recompute_all_luids): New function.
3574         (gcse_main): Don't compute sets, and don't do related memory
3575         allocations/free-ing.  If something changed before the end of the
3576         pass, update LUIDs using recompute_all_luids.
3577         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3578         (free_gcse_mem): Don't free it either.
3579         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3580         Use the df insn LUIDs.
3581         (load_killed_in_block): Likewise.
3582         (compute_hash_table_work): Don't compute reg_set_in_block.
3583         (compute_transp): Use DF_REG_DEF_CHAINs.
3584         (local_cprop_pass): Don't use compute_sets and related functions.
3585         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3586         Use get_max_uid() instead of max_cuid.
3587         (insert_insn_end_basic_block, pre_insert_copy_insn,
3588         update_ld_motion_stores): Don't try to
3589         keep reg_set tables up to date.
3590         (pre_insert_copies): Use df insn LUIDs.
3591         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3592         (reg_set_info): Don't use extra bitmap argument.
3593         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3594         information to compute regs_set_in_block.
3595         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3596         (bypass_jumps): Don't use compute_sets and friends.
3597
3598 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3599
3600         PR testsuite/39710
3601         * opts.c (undocumented_msg): Do not leave blank even with
3602         ENABLE_CHECKING.
3603
3604 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3605
3606         * c-decl.c (build_enumerator): Allow values folding to integer
3607         constants but not integer constant expressions with a pedwarn if
3608         pedantic.
3609
3610 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3611
3612         PR c/39582
3613         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3614         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3615         type is an integer constant.
3616
3617 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3618
3619         PR target/39897
3620         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3621         HImode operands.
3622
3623 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3624
3625         PR c/39564
3626         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3627         with variably modified return type and no storage class
3628         specifiers, except for the case of nested functions.  Distinguish
3629         extern declarations of functions with variably modified return
3630         types from those of objects with variably modified types.
3631
3632 2009-04-25  Jan Hubicka  <jh@suse.cz>
3633
3634         * tree.c (list_equal_p): New function.
3635         * tree.h (list_equal_p): Declare.
3636         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3637         basic_block_def, basic_block, const_basic_block): New.
3638         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3639         (redirect_eh_edge): New function.
3640         (make_eh_edge_update_phi): EH edges are not abnormal.
3641         * except.c: Include tree-flow.h.
3642         (list_match): New function.
3643         (eh_region_replaceable_by_p): New function.
3644         (replace_region): New function.
3645         (hash_type_list): New function.
3646         (hash_eh_region): New function.
3647         (eh_regions_equal_p): New function.
3648         (merge_peers): New function.
3649         (remove_unreachable_regions): Verify EH tree when checking;
3650         merge peers.
3651         (copy_eh_region_1): New function.
3652         (copy_eh_region): New function.
3653         (push_reachable_handler): New function.
3654         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3655         regions without label but with live RESX.
3656         * except.h (redirect_eh_edge_to_label): New.
3657         * tree-flow.h (redirect_eh_edge): New.
3658         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3659         basic_block_def, basic_block, const_basic_block): Remove.
3660         * Makefile.in (except.o): Add dependency on tree-flow.h
3661         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3662         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3663         Remove.
3664
3665 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3666
3667         PR bootstrap/39645
3668         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3669         on the destination of memcpy.
3670
3671 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3672
3673         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3674         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3675         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3676
3677 2009-04-25  Jan Hubicka  <jh@suse.cz>
3678
3679         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3680         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3681         to be reached by different label than left.
3682         (update_eh_edges): Update comment; remove edge_to_remove if possible
3683         and return true if suceeded.
3684         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3685         (cleanup_eh): Compute sharing map.
3686         * except.c (remove_eh_handler_and_replace): Add argument if we should
3687         update regions.
3688         (remove_unreachable_regions): Update for label sharing.
3689         (label_to_region_map): Likewise.
3690         (get_next_region_sharing_label): New function.
3691         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3692         prev_try pointers.
3693         (remove_eh_handler): Update.
3694         (remove_eh_region_and_replace_by_outer_of): New function.
3695         * except.h (struct eh_region): Add next_region_sharing_label.
3696         (remove_eh_region_and_replace_by_outer_of,
3697         get_next_region_sharing_label): Declare.
3698         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3699
3700 2009-04-25  Jan Hubicka  <jh@suse.cz>
3701
3702         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3703         insert code even if they are not critical.
3704
3705 2009-04-25  Jan Hubicka  <jh@suse.cz>
3706
3707         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3708         (gimple_can_remove_branch_p): EH edges won't remove branch by
3709         redirection.
3710         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3711         updating of non-abnormal EH edges.
3712         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3713         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3714         (split_critical_edges): Split also edges where emitting code on them
3715         will lead to splitting later.
3716
3717 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3718             H.J. Lu  <hongjiu.lu@intel.com>
3719
3720         PR target/39590
3721         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3722         the configured assembler supports fildq and fistpq mnemonics.
3723         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3724         * configure: Regenerated.
3725         * config.in: Ditto.
3726
3727         * config/i386/i386.c (print_operand): Handle 'Z'.
3728         ['z']: Remove handling of special fild/fist suffixes.
3729         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3730         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3731         suffix of fild insn.
3732         (*floatsi<mode>2_vector_mixed): Ditto.
3733         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3734         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3735         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3736         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3737         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3738
3739 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3740  
3741         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3742         the source of a set operation.
3743
3744 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3745
3746         * target.h (struct gcc_target): Add case_values_threshold field.
3747         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3748         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3749         * targhooks.c (default_case_values_threshold): New function.
3750         * targhooks.h (default_case_values_threshold): Declare function.
3751         * stmt.c (expand_case): Use case_values_threshold target hook.
3752         * expr.h (case_values_threshold): Remove declartation.
3753         * expr.c (case_values_threshold): Remove function.
3754         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3755
3756         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3757         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3758         (avr_case_values_threshold): Declare as static.
3759         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3760
3761         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3762         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3763         (mn10300_case_values_threshold): New function.
3764
3765 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3766
3767         * ira.c (setup_cover_and_important_classes): Add enum cast.
3768
3769 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3770
3771         * genpreds.c (write_enum_constraint_num): Output definition of
3772         CONSTRAINT_NUM_DEFINED_P macro.
3773         * ira.c (setup_cover_and_important_classes): Use
3774         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3775         
3776 2009-04-24  DJ Delorie  <dj@redhat.com>
3777
3778         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3779         __SH2A_SINGLE_ONLY__ also.
3780
3781 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3782
3783         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3784         (movdf_internal): Ditto.
3785         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3786         SFmode and DFmode constants.
3787         (ia64_print_operand): Add 'G' format for printing
3788         floating point constants.
3789
3790 2009-04-24  Richard Guenther  <rguenther@suse.de>
3791
3792         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3793         from unsigned additions.
3794
3795 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3796
3797         * c-typeck.c (set_init_index): Allow array designators that are
3798         not integer constant expressions with a pedwarn if pedantic.
3799
3800 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3801
3802         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3803         zero if no overlap in nonzero bits between the operands.
3804
3805 2009-04-24  Ian Lance Taylor  <iant@google.com>
3806
3807         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3808         (record_dead_and_set_regs): Likewise.
3809         * df.h (struct df_mw_hardreg): Change flags field to int.
3810         (struct df_base_ref): Likewise.
3811         (struct df): Change changeable_flags field to int.
3812         * df-scan.c (df_defs_record): Change clobber_flags to int.
3813         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3814         constants rather than #define macros.
3815         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3816         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3817         (enum dwarf_calling_convention): Likewise.
3818         (enum dwarf_line_number_x_ops): Likewise.
3819         (enum dwarf_call_frame_info): Likewise.
3820         (enum dwarf_source_language): Likewise.
3821         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3822         (add_calling_convention_attribute): Likewise.
3823         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3824         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3825         * genrecog.c (maybe_both_true_2): Change c to int.
3826         (write_switch): Likewise.  Add cast to enum type.
3827         * gimplify.c (gimplify_omp_for): Handle return values from
3828         gimplify_expr using MIN rather than bitwise or.
3829         (gimplify_expr): Add cast to enum type.
3830         * ipa-prop.c (update_jump_functions_after_inlining): Change
3831         IPA_BOTTOM to IPA_JF_UNKNOWN.
3832         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3833         Add casts to enum type.
3834         (setup_cover_and_important_classes): Change cl to int.  Add casts
3835         to enum type.
3836         (setup_class_translate): Change cl and mode to int.
3837         (ira_init_once): Change mode to int.
3838         (free_register_move_costs): Likewise.
3839         (setup_prohibited_mode_move_regs): Add casts to enum type.
3840         * langhooks.c (add_builtin_function_common): Rework assertion that
3841         value fits bitfield.
3842         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3843         * omega.c (omega_do_elimination): Avoid math on enum types.
3844         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3845         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3846         int local to handle integral_argment value.
3847         * regmove.c (try_auto_increment): Change PUT_MODE to
3848         PUT_REG_NOTE_KIND.
3849         * reload.c (push_secondary_reload): Add casts to enum type.
3850         (secondary_reload_class, find_valid_class): Likewise.
3851         * reload1.c (emit_input_reload_insns): Likewise.
3852         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3853         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3854         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3855         constant.
3856         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3857         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3858         enum type.
3859         (expand_complex_libcall): Add casts to enum type.
3860         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3861         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3862         with ERROR_MARK, not NUM_TREE_CODES.
3863         (vect_create_epilog_for_reduction): Likewise.
3864         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3865         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3866         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3867         enum machine_mode.
3868         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3869         vect_unused_in_loop.  Change 0 to loop_vect.
3870         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3871         * var-tracking.c (get_init_value): Change return type to enum
3872         var_init_status.
3873         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3874         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3875         arm_fp_model.
3876         (arm_override_options): Add casts to enum type.
3877         (arm_emit_tls_decoration): Likewise.
3878         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3879         to enum type.
3880         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3881         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3882         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3883         enum type.
3884         * config/s390/s390.c (code_for_builtin_64): Change to array of
3885         enum insn_code.
3886         (code_for_builtin_31): Likewise.
3887         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3888         const *.
3889         * config/sparc/sparc.c (sparc_override_options): Change value
3890         field in struct code_model to enum cmodel.  In initializer change
3891         0 to NULL and add cast to enum type.
3892
3893         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3894         Change all callers.  Issue a -Wc++-compat warning using
3895         lhs_origtype if necessary.
3896         (convert_for_assignment): Issue -Wc++-compat warnings about
3897         invalid conversions to enum type on assignment.
3898         * c-common.h (build_modify_expr): Update declaration.
3899
3900 2009-04-24  Nick Clifton  <nickc@redhat.com>
3901
3902         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3903         (function_arg_advance): Likewise.
3904         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3905         5th alternative.
3906
3907 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3908
3909         * config/s390/constraints.md ('I', 'J'): Fix condition.
3910
3911 2009-04-24  Diego Novillo  <dnovillo@google.com>
3912
3913         * gengtype-parse.c (parse_error): Add newline after message.
3914
3915 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3916
3917         * config/i386/sse.md (avxmodesuffixs): Removed.
3918         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3919         (*avx_pinsr<ssevecsize>): This.
3920
3921 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3922
3923         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3924         follow chains of regs with a single definition, and allow expressions
3925         that are function_invariant_p.
3926         (simple_rhs_p): Allow expressions that are function_invariant_p.
3927
3928 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3929
3930         PR middle-end/39867
3931         * fold-const.c (fold_cond_expr_with_comparison): When folding
3932         > and >= to MAX, make sure the MAX uses the same type as the
3933         comparison's operands.
3934
3935 2009-04-24  Nick Clifton  <nickc@redhat.com>
3936
3937         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3938         addressing for DImode accesses.
3939         (frv_print_operand_address): Handle PLUS case.
3940         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3941
3942 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3943
3944         PR rtl-optimization/39794
3945         * alias.c (canon_true_dependence): Add x_addr argument.
3946         * rtl.h (canon_true_dependence): Adjust prototype.
3947         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3948         * cselib.c (cselib_invalidate_mem): Likewise.
3949         * gcse.c (compute_transp): Likewise.
3950         * dse.c (scan_reads_nospill): Likewise.
3951         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3952         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3953         canon_base_addr of the group, plus optional offset.
3954         (struct group_info): Rename canon_base_mem to
3955         canon_base_addr.
3956         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3957         canon_rtx of base_mem.
3958
3959 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3960
3961         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3962         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3963
3964 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3965
3966         * config/spu/spu-builtins.h: Delete file.
3967
3968         * config/spu/spu.h (enum spu_builtin_type): Move here from
3969         spu-builtins.h.
3970         (struct spu_builtin_description): Likewise.  Add GTY marker.
3971         Do not use enum spu_function_code or enum insn_code.
3972         (spu_builtins): Add extern declaration.
3973
3974         * config/spu/spu.c: Do not include "spu-builtins.h".
3975         (enum spu_function_code, enum spu_builtin_type_index,
3976         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3977         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3978         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3979         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3980         (spu_builtin_types): Make static.  Add GTY marker.
3981         (spu_builtins): Add extern declaration with GTY marker.
3982         Include "gt-spu.h".
3983
3984         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3985         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3986         Check programmatically whether all parameters are scalar.
3987
3988         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3989
3990 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3991
3992         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3993         assignment from the constructor either if the target is volatile.
3994
3995 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3996
3997         * config/arm/arm.md (insv): Do not share operands[0].
3998
3999 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4000
4001         * config/vxlib-tls.c (active_tls_threads): Delete.
4002         (delete_hook_installed): New.
4003         (tls_delete_hook): Don't delete the delete hook.
4004         (tls_destructor): Delete it here.
4005         (__gthread_set_specific): Adjust installing the delete hook.
4006         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
4007         __gthread_leave_tsd_dtor_context.
4008
4009 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
4010
4011         * c-format.c (gcc_tdiag_char_table): Add support for %E.
4012
4013 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4014
4015         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4016         enum type.
4017         (alpha_rtx_costs): Ditto.
4018         (emit_unlikely_jump): Use add_reg_note.
4019         (emit_frame_store_1): Ditto.
4020         (alpha_expand_prologue): Ditto.
4021         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4022         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4023
4024 2009-04-23  Nick Clifton  <nickc@redhat.com>
4025
4026         * config/v850/v850.md (epilogue): Remove suppressed code.
4027         (return): Rename to return_simple and remove test of frame size.
4028         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4029         to gen_return_simple.
4030
4031 2009-04-22  Jing Yu  <jingyu@google.com>
4032
4033         PR testsuite/39781
4034         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4035
4036 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4037
4038         PR C/31499
4039         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4040         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4041         value is a VECTOR_CST, the element type is the element type of the
4042         vector.
4043
4044 2009-04-22  DJ Delorie  <dj@redhat.com>
4045
4046         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4047
4048 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4049
4050         * alias.c (find_base_term): Move around LO_SUM case, so that
4051         CONST falls through into PLUS/MINUS handling.
4052
4053         PR c/39855
4054         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4055         into 0, use omit_one_operand.
4056
4057 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4058
4059         * config/rs6000/linux-unwind.h (get_regs): Remove type
4060         puns. Change the type of `pc' to an array of unsigned ints and
4061         update all users.  Constify frame24.
4062
4063 2009-04-22  DJ Delorie  <dj@redhat.com>
4064
4065         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4066         declarations before code.
4067         (current_function_special_page_vector): Likewise.
4068         (m32c_expand_insv): Silence a warning.
4069
4070 2009-04-21  Taras Glek  <tglek@mozilla.com>
4071
4072         * alias.c: Update GTY annotations to new syntax.
4073         * basic-block.h: Likewise.
4074         * bitmap.h: Likewise.
4075         * c-common.h: Likewise.
4076         * c-decl.c: Likewise.
4077         * c-parser.c: Likewise.
4078         * c-pragma.c: Likewise.
4079         * c-tree.h: Likewise.
4080         * cfgloop.h: Likewise.
4081         * cgraph.h: Likewise.
4082         * config/alpha/alpha.c: Likewise.
4083         * config/arm/arm.h: Likewise.
4084         * config/avr/avr.h: Likewise.
4085         * config/bfin/bfin.c: Likewise.
4086         * config/cris/cris.c: Likewise.
4087         * config/darwin.c: Likewise.
4088         * config/frv/frv.c: Likewise.
4089         * config/i386/i386.c: Likewise.
4090         * config/i386/i386.h: Likewise.
4091         * config/i386/winnt.c: Likewise.
4092         * config/ia64/ia64.h: Likewise.
4093         * config/iq2000/iq2000.c: Likewise.
4094         * config/mips/mips.c: Likewise.
4095         * config/mmix/mmix.h: Likewise.
4096         * config/pa/pa.c: Likewise.
4097         * config/pa/pa.h: Likewise.
4098         * config/rs6000/rs6000.c: Likewise.
4099         * config/s390/s390.c: Likewise.
4100         * config/sparc/sparc.c: Likewise.
4101         * config/xtensa/xtensa.c: Likewise.
4102         * cselib.h: Likewise.
4103         * dbxout.c: Likewise.
4104         * dwarf2out.c: Likewise.
4105         * except.c: Likewise.
4106         * except.h: Likewise.
4107         * fixed-value.h: Likewise.
4108         * function.c: Likewise.
4109         * function.h: Likewise.
4110         * gimple.h: Likewise.
4111         * integrate.c: Likewise.
4112         * optabs.c: Likewise.
4113         * output.h: Likewise.
4114         * real.h: Likewise.
4115         * rtl.h: Likewise.
4116         * stringpool.c: Likewise.
4117         * tree-data-ref.c: Likewise.
4118         * tree-flow.h: Likewise.
4119         * tree-scalar-evolution.c: Likewise.
4120         * tree-ssa-address.c: Likewise.
4121         * tree-ssa-alias.h: Likewise.
4122         * tree-ssa-operands.h: Likewise.
4123         * tree.c: Likewise.
4124         * tree.h: Likewise.
4125         * varasm.c: Likewise.
4126         * varray.h: Likewise.
4127         * vec.h: Likewise.
4128         * coretypes.h: Do not define GTY macro if it is already defined.
4129         * doc/gty.texi: Update GTY documentation to new syntax.
4130         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4131         annotations on structs.
4132         * gengtype-parse.c: Likewise.
4133
4134 2009-04-22  Mark Heffernan  <meheff@google.com>
4135
4136         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4137
4138 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4139
4140         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4141         where appropriate.
4142
4143 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4144
4145         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4146         the same as a PLUS without a shift.  Increase the cost of a
4147         CONST_INT in MULT.
4148
4149 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4150
4151         * Makefile.in: Update dependencies.
4152         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4153         * errors.h: Remove bogus comment about compatibility.
4154         (warning): Update declaration.
4155         * genautomata.c: Update all calls to warning.
4156         * gimple.c: Do not include errors.h. Include toplev.h.
4157         * tree-ssa-structalias.c: Do not include errors.h.
4158         * omega.c: Likewise.
4159         * tree-ssa-reassoc.c: Likewise.
4160         * config/spu/spu-c.c: Likewise.
4161         * config/spu/t-spu-elf: Update dependencies.
4162
4163 2009-04-22  Richard Guenther  <rguenther@suse.de>
4164
4165         PR tree-optimization/39824
4166         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4167         make sure the types are compatible.
4168
4169 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4170
4171         PR c++/14875
4172         * c-common.c (c_parse_error): Take a token_flags parameter.
4173         Use token_type for the token type instead.
4174         Pass token_flags to cpp_type2name.
4175         * c-common.h (c_parse_error): Update declaration.
4176         * c-parser.c (c_parser_error): Pass 0 as token flags.
4177
4178 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4179
4180         PR rtl-optimization/39580
4181         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4182         
4183 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4184
4185         * function.c (expand_function_end): Do not emit a jump to the "naked"
4186         return label for fall-through returns.
4187         * except.c (sjlj_emit_function_exit): Always place the call to the
4188         unregister function at the location installed by expand_function_end.
4189
4190 2009-04-22  Richard Guenther  <rguenther@suse.de>
4191
4192         PR tree-optimization/39845
4193         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4194         (gen_inbound_check): Likewise.
4195
4196 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4197
4198         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4199         padding for PPC.
4200         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4201         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4202
4203 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4204
4205         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4206         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4207         shift counts to avoid out-of-bounds array accesses.
4208
4209 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4210
4211         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4212         (Pmode): Move above.
4213
4214 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4215
4216         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4217         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4218         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4219         * config/alpha/alpha.h: Ditto.
4220         * config/alpha/alpha.md: Ditto.
4221         * config/alpha/constraints.md: Ditto.
4222         * config/alpha/predicates.md: Ditto.
4223         
4224 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4225
4226         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4227         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4228         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4229         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4230         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4231         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4232         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4233         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4234         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4235         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4236         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4237         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4238         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4239         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4240         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4241         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4242         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4243         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4244         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4245         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4246         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4247         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4248         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4249         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4250         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4251         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4252         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4253
4254 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4255
4256         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4257         references from comments.
4258         * cfgbuild.c: (count_basic_blocks): Delete.
4259         (find_basic_blocks_1): Delete.
4260         (find_basic_blocks): Delete.
4261         * except.c (finish_eh_generation): Make static.  Move comment from
4262         except.h here.  Remove find_basic_blocks references from comments.
4263         * except.h (finish_eh_generation): Delete.
4264         * basic-block.h (find_basic_blocks): Delete.
4265         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4266
4267 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4268
4269         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4270         (sdbout_parms):  Likewise.
4271
4272 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4273
4274         * config/sh/sh.c (prepare_cbranch_operands): Use
4275         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4276         (expand_cbranchdi4): Likewise.
4277         (from_compare): Add cast to enum type.
4278         (expand_cbranchsi4): Use add_reg_note.
4279         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4280         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4281         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4282         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4283         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4284         instead of CODE_FOR_nothing.
4285         (cbranchdi4): Likewise.  Fix the order of arguments for
4286         gen_rtx_fmt_ee.
4287         (push_fpscr): Use add_reg_note.
4288         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4289         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4290         
4291 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4292
4293         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4294         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4295         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4296         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4297         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4298         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4299         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4300         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4301         config/alpha/x-vms, config/arc/t-arc,
4302         config/arm/README-interworking, config/arm/arm-c.c,
4303         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4304         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4305         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4306         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4307         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4308         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4309         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4310         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4311         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4312         config/cris/t-elfmulti, config/crx/t-crx,
4313         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4314         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4315         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4316         config/h8300/t-h8300, config/i386/athlon.md,
4317         config/i386/darwin-libgcc.10.4.ver,
4318         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4319         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4320         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4321         config/i386/t-linux64, config/i386/t-nwld,
4322         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4323         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4324         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4325         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4326         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4327         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4328         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4329         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4330         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4331         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4332         config/m68k/t-uclinux, config/mcore/t-mcore,
4333         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4334         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4335         config/mips/crtn.asm, config/mips/irix-crti.asm,
4336         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4337         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4338         config/mips/mips-fixed.md, config/mips/sb1.md,
4339         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4340         config/mips/t-iris6, config/mips/t-isa3264,
4341         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4342         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4343         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4344         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4345         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4346         config/mn10300/t-linux, config/mn10300/t-mn10300,
4347         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4348         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4349         config/picochip/libgccExtras/clzsi2.asm,
4350         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4351         config/rs6000/darwin-libgcc.10.4.ver,
4352         config/rs6000/darwin-libgcc.10.5.ver,
4353         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4354         config/rs6000/t-aix43, config/rs6000/t-aix52,
4355         config/rs6000/t-darwin, config/rs6000/t-fprules,
4356         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4357         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4358         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4359         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4360         config/rs6000/t-rtems, config/rs6000/t-spe,
4361         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4362         config/score/t-score-elf, config/sh/divcost-analysis,
4363         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4364         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4365         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4366         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4367         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4368         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4369         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4370         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4371         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4372         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4373         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4374         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4375         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4376         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4377         * config/h8300/genmova.sh: Include copyright and license notices
4378         in generated output.
4379         * config/h8300/mova.md: Regenerate.
4380         * doc/install.texi2html: Include word "Copyright" in copyright
4381         notice and use name "Free Software Foundation, Inc.".
4382         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4383         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4384         ChangeLog-2007, ChangeLog-2008: Correct dates.
4385
4386 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4387
4388         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4389         NE_EXPR operations as well.
4390         * c-parser.c (c_parser_condition): Do not set location information on
4391         the condition.
4392         (c_parser_conditional_expression): Likewise.
4393         (c_parser_binary_expression): Set location information on operators.
4394         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4395         TRUTH_NOT_EXPR has been folded.
4396         * fold-const.c (fold_truth_not_expr): Copy location information from
4397         the incoming expression to the outgoing one.
4398         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4399         recursive calls on the LHS of the operator but pass that of the
4400         operator to recursive calls on the RHS of the operator.  Set it
4401         on the COND_EXPR.
4402         (shortcut_cond_expr): Set the locus of the operator on the second
4403         COND_EXPR and that of the expression on the first in degenerate cases.
4404         Pass the locus of the expression to calls to shortcut_cond_r.
4405         Set the locus of the 'then' block on the associated jump, if any.
4406         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4407         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4408         expression to call to gimplify_boolean_expr.
4409
4410 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4411
4412         * config.gcc: Add additional configuration for
4413         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4414         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4415         (CPP_SPEC): Redefine for allowing -municode option.
4416         (STARTFILE_SPEC): Likewise.
4417         * config/i386/t-mingw-w64: New.
4418         * config/i386/mingw-w64.opt: New.
4419         (municode): Add new target option.
4420         * doc/invoke.texi (municode): Add documentation for new option.
4421
4422 2009-04-21  Ian Lance Taylor  <iant@google.com>
4423
4424         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4425         Correct test for number of arguments.
4426         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4427
4428 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4429
4430         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4431         argument of emit_library_call.
4432
4433 2009-04-21  Richard Guenther  <rguenther@suse.de>
4434
4435         PR middle-end/39829
4436         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4437         inside VIEW_CONVERT_EXPRs.
4438
4439 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4440
4441         * tree-switch-conversion.c (build_constructors): Split a long line.
4442         (constructor_contains_same_values_p): New function.
4443         (build_one_array): Create assigns of constants if possible, do not
4444         call mark_sym_for_renaming, call update_stmt.
4445         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4446         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4447         update_stmt.
4448         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4449         find_new_referenced_vars, call update_stmt.
4450         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4451         instead of calling make_rename_temp.  Do not call
4452         find_new_referenced_vars or mark_symbols_for_renaming, call
4453         update_stmt.
4454
4455 2009-04-21  Richard Guenther  <rguenther@suse.de>
4456
4457         PR tree-optimization/39827
4458         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4459         (tree_ssa_phiprop): Pass the correct array size.
4460
4461 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4462
4463         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4464
4465 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4466
4467         PR 16202
4468         * c-typeck.c (lvalue_p): Move declaration ...
4469         * c-common.h (lvalue_p): ... to here.
4470         * c-common.c (candidate_equal_p): New.
4471         (add_tlist): Use it.
4472         (merge_tlist): Use it.
4473         (warn_for_collisions_1): Likewise.
4474         (warning_candidate_p): Accept more candidates.
4475         (verify_tree): A warning candidate can be an expression. Use
4476         candidate_equal_p.
4477
4478 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4479
4480         PR target/5267
4481         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4482         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4483         options.  Remove -mcall-solaris documentation.
4484
4485 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4486
4487         PR c++/13358
4488         * doc/invoke.texi (-Wlong-long): Update description.
4489         * c-lex (interpret_integer): Only warn if there was no previous
4490         overflow and -Wlong-long is enabled.
4491         * c-decl.c (declspecs_add_type): Drop redundant flags.
4492         * c.opt (Wlong-long): Init to -1.
4493         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4494         and front-end warn_long_long. Wlong-long only depends on other
4495         flags if it is uninitialized.
4496         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4497         the same for CPP and FE.
4498         (restore_extension_diagnostics): Likewise.
4499
4500 2009-04-20  Ian Lance Taylor  <iant@google.com>
4501
4502         Fix enum conversions which are invalid in C++:
4503         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4504         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4505         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4506         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4507         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4508         (dbxout_parms): Likewise.
4509         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4510         (df_clear_flags): Likewise.
4511         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4512         top_flag parameter to int.
4513         (df_chain_create_bb_process_use): Likewise.
4514         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4515         Remove cast.
4516         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4517         (df_ref_create_structure, df_def_record_1): Likewise.
4518         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4519         (df_notes_rescan): Change 0 to VOIDmode in function call.
4520         (df_get_call_refs, df_insn_refs_collect): Likewise.
4521         (df_bb_regs_collect): Likewise.
4522         (df_entry_block_defs_collect): Likewise.
4523         (df_exit_block_uses_collect): Likewise.
4524         * df.h: Update declarations.
4525         * double-int.c (double_int_divmod): Add cast to enum type.
4526         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4527         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4528         (based_loc_descr): Likewise.
4529         (loc_descriptor_from_tree_1): Change first_op and second_op to
4530         enum dwarf_location_atom.  Add cast to enum type.
4531         * expmed.c (init_expmed): Change 0 to SET in function call.
4532         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4533         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4534         (do_store_flag): Likewise.
4535         * fixed-value.h (struct fixed_value): Change mode to enum
4536         machine_mode.
4537         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4538         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4539         function call.
4540         (insert_insn_decl, insert_decl, insert_state): Likewise.
4541         (automata_list_finish): Likewise.
4542         * genrecog.c (process_define_predicate): Add cast to enum type.
4543         * gensupport.c (init_predicate_table): Add cast to enum type.
4544         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4545         function call.
4546         (gimple_build_call_1, gimple_build_label): Likewise.
4547         (gimple_build_goto, gimple_build_asm_1): Likewise.
4548         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4549         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4550         (enum fallback): Rename from enum fallback_t.
4551         (fallback_t): Typedef as int.
4552         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4553         GSI_SAME_STMT in function call.
4554         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4555         enum type.
4556         (setup_reg_class_relations): Likewise.
4557         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4558         (setup_prohibited_class_mode_regs): Add cast to enum type.
4559         (setup_prohibited_mode_move_regs): Likewise.
4560         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4561         (record_address_regs): Change i to enum reg_class.
4562         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4563         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4564         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4565         (GET_MODE_2XWIDER_MODE): Likewise.
4566         (GET_CLASS_NARROWEST_MODE): Likewise.
4567         * omp-low.c (expand_omp_for): Add cast to enum type.
4568         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4569         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4570         * postreload.c (reload_cse_simplify_operands): Change rclass local
4571         to enum reg_class.
4572         * predict.c (combine_predictions_for_insn): Change best_predictor
4573         and predictor to enum br_predictor.
4574         (combine_predictions_for_bb): Likewise.
4575         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4576         use SET_PREDICT_EXPR_OUTCOME.
4577         * real.c (real_arithmetic): Change icode to code in function call.
4578         * reginfo.c (init_move_cost): Add casts to enum type.
4579         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4580         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4581         enum reg_class.
4582         * reload.c (find_valid_class): Add casts to enum type.
4583         (push_reload): Change 0 to NO_REGS in function call.
4584         (find_reloads): Change this_alternative to array of enum
4585         reg_class.  Remove some now-unnecessary casts.
4586         (make_memloc): Change 0 to VOIDmode in function call.
4587         * reload1.c (reload): Change 0 to VOIDmode in function call.
4588         (eliminate_regs_1, elimination_effects): Likewise.
4589         (eliminate_regs_in_insn): Likewise.
4590         (emit_input_reload_insns): Add cast to enum type.
4591         (delete_output_reload): Change 0 to VOIDmode in function call.
4592         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4593         to enum type in function call.
4594         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4595         (SET_PREDICT_EXPR_OUTCOME): Define.
4596         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4597         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4598         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4599         (dump_function): Likewise.
4600         * tree-dump.h: Update declarations.
4601         * tree-pass.h: Update declarations.
4602         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4603         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4604         enum type.
4605         (arm_rtx_costs_1): Correct parenthesization.
4606         (arm_rtx_costs): Add casts to enum type.
4607         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4608         (vfp_emit_fstmd): Use add_rg_note.
4609         (emit_multi_reg_push, emit_sfm): Likewise.
4610         (thumb_set_frame_pointer): Likewise.
4611         (arm_expand_prologue): Likewise.
4612         (arm_regno_class): Change return type to enum reg_class.
4613         (thumb1_expand_prologue): Use add_reg_note.
4614         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4615         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4616         in function call.
4617         * config/arm/gentune.sh: Add cast to enum type.
4618         * config/arm/arm-tune.md: Rebuild.
4619         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4620         (ix86_split_fp_branch, predict_jump): Likewise.
4621         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4622         insn_code to enum rtx_code.
4623         (ix86_builtin_vectorized_function): Add cast to enum type.
4624         * config/i386/i386.md (truncdfsf2): Change slot to enum
4625         ix86_stack_slot.
4626         (truncxf<mode>2, isinf<mode>2): Likewise.
4627         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4628         enum type.
4629         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4630         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4631         (insert_bundle_state): Change 1 to INSERT in function call.
4632         (ia64_add_bundle_selector_before): Likewise.
4633         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4634         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4635         (restore_stack_nonlocal): Likewise.
4636         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4637         function call.
4638         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4639         function call.
4640         (mips_rtx_costs): Likewise.
4641         (mips_override_options): Add casts to enum type.
4642         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4643         in function call.
4644         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4645         (store_reg, set_reg_plus_d): Likewise.
4646         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4647         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4648         cast to enum type.
4649         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4650         function call.
4651         (emit_unlikely_jump): Use add_reg_note.
4652         (rs6000_emit_allocate_stack): Likewise.
4653         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4654         (output_toc): Change 1 to INSERT in function call.
4655         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4656         (rs6000_initialize_trampoline): Likewise.
4657         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4658         function call.
4659         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4660         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4661         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4662         (save_gprs): Use add_reg_note.
4663         (s390_emit_prologue): Likewise.
4664         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4665         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4666         (sparc_fold_builtin): Add cast to enum type.
4667         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4668         enum insn_code.
4669         (spu_expand_prologue): Use add_reg_note.
4670         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4671
4672 2009-04-20  Ian Lance Taylor  <iant@google.com>
4673
4674         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4675         (c_parser_postfix_expression_after_primary): Get VEC for list of
4676         arguments.  Get original types of arguments.  Call
4677         build_function_call_vec.
4678         (cached_expr_list_1, cached_expr_list_2): New static variables.
4679         (c_parser_expr_list): Change return type to VEC *.  Add
4680         p_orig_types parameter.  Change all callers.
4681         (c_parser_release_expr): New static function.
4682         (c_parser_vec_to_tree_list): New static function.
4683         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4684         call build_function_call_vec.
4685         (build_function_call_vec): New function, based on old
4686         build_function_call.
4687         (convert_arguments): Remove nargs and argarray parameters.  Change
4688         values to a VEC.  Add origtypes parameter.
4689         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4690         (convert_for_assignment): Add origtype parameter.  Change all
4691         callers.  If warn_cxx_compat, check for conversion to an enum
4692         type when calling a function.
4693         (store_init_value): Add origtype parameter.  Change all callers.
4694         (digest_init): Likewise.
4695         (struct init_node): Add origtype field.
4696         (add_pending_init): Add origtype parameter.  Change all callers.
4697         (output_init_element): Likewise.
4698         (output_pending_init_elements): Pass origtype from init_node to
4699         output_init_element.
4700         (process_init_element): Pass origtype from c_expr to
4701         output_init_element.
4702         (c_finish_return): Add origtype parameter.  Change all callers.
4703         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4704         caller.
4705         (sync_resolve_params): Likewise.
4706         (sync_resolve_return): Change params to first_param.  Change caller.
4707         (resolve_overloaded_builtins): Change params to VEC *.  Change
4708         callers.  Save first parameter around call to build_function_call_vec.
4709         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4710         callers.  Call build_function_call_vec rather than
4711         build_function_call for cleanup.
4712         * c-tree.h: Update declarations.
4713         * c-common.h: Update declarations.
4714         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4715         params to first_param.
4716         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4717         params parameter from tree to void *.
4718         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4719         Change arglist parameter to have type void *, and to be a pointer
4720         to a VEC.
4721         * config/rs6000/rs6000-protos.h
4722         (altivec_resolve_overloaded_builtin): Update declaration.
4723         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4724         fnargs parameter to have type void *, and to be a pointer to a
4725         VEC.  Call build_function_call_vec instead of
4726         build_function_call.
4727         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4728
4729 2009-04-20  Joey Ye  <joey.ye@intel.com>
4730             Xuepeng Guo  <xuepeng.guo@intel.com>
4731             H.J. Lu  <hongjiu.lu@intel.com>
4732
4733         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4734
4735         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4736         (IX86_LEA_PRIORITY): Likewise.
4737         (distance_non_agu_define): New function.
4738         (distance_agu_use): Likewise.
4739         (ix86_lea_for_add_ok): Likewise.
4740         (ix86_dep_by_shift_count): Likewise.
4741
4742         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4743         should split for LEA.
4744
4745         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4746         function.
4747         (ix86_dep_by_shift_count): Likewise.
4748
4749 2009-04-20  Richard Guenther  <rguenther@suse.de>
4750
4751         * expr.c (handled_component_p): Move ...
4752         * tree.h (handled_component_p): ... here.
4753         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4754         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4755         and REALPART_EXPR to be in one group.
4756
4757 2009-04-20  Richard Guenther  <rguenther@suse.de>
4758
4759         * basic-block.h (get_all_dominated_blocks): Declare.
4760         * dominance.c (get_all_dominated_blocks): New function.
4761         * tree-cfg.c (get_all_dominated_blocks): Remove.
4762         (remove_edge_and_dominated_blocks): Adjust.
4763         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4764         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4765         instead of recursing.
4766
4767 2009-04-20  Doug Kwan  <dougkwan@google.com>
4768
4769         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4770         (struct cgraph_node_set_def): New type.
4771         (cgraph_node_set) New type. Also declare vector functions.
4772         (struct cgraph_node_set_element_def): New type.
4773         (cgraph_node_set_element): Ditto.
4774         (cgraph_node_set_iterator): New iterator type.
4775         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4776         cgraph_node_set_remove, dump_cgraph_node_set,
4777         debug_cgraph_node_set): New prototypes.
4778         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4779         cgraph_node_set_size): New inlines.
4780         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4781         including cgraph.h.
4782         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4783         argument to function 'write_summary'.
4784         * ipa.c: Include ggc.h.
4785         (hash_cgraph_node_set_element,
4786         eq_cgraph_node_set_element, cgraph_node_set_new,
4787         cgraph_node_set_add, cgraph_node_set_remove,
4788         cgraph_node_set_find, dump_cgraph_node_set,
4789         debug_cgraph_node_set): New functions.
4790         * Makefile.in (ipa.o): Add dependency on GGC_H.
4791
4792 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4793
4794         PR tree-optimization/39675
4795         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4796         check of the return code of vect_schedule_slp. Check that
4797         stmt_vec_info still exists for the statement, before checking its
4798         vectorization type.
4799
4800 2009-04-20  Michael Matz  <matz@suse.de>
4801
4802         * Makefile.in (generated_files): Take out $(simple_generated_c).
4803
4804 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4805
4806         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4807         (UINTPTR_TYPE):  Likewise.
4808
4809 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4810
4811         PR c/37481
4812         * c-typeck.c (digest_init): Check for initializing an array with a
4813         string literal.
4814
4815 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4816
4817         PR c/19771
4818         * c-semantics.c (pop_stmt_list): Propagate
4819         STATEMENT_LIST_HAS_LABEL to parent statement list.
4820
4821 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4822
4823         * config/mips/mips.h (mips_tune_attr): New macro.
4824         * config/mips/mips.md (cpu): Use it.
4825
4826 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4827
4828         PR c/38243
4829         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4830         declaring a tag.
4831
4832 2009-04-19  Diego Novillo  <dnovillo@google.com>
4833
4834         * toplev.c (compile_file): Move call to coverage_finish ...
4835         * cgraphunit.c (ipa_passes): ... here.
4836         Call cgraph_process_new_functions.
4837         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4838         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4839
4840 2009-04-19  Jan Hubicka  <jh@suse.cz>
4841
4842         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4843         cfun.
4844         (dump_cgraph_node): Dump can throw external flag.
4845         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4846
4847 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4848
4849         PR c/32061
4850         PR c++/36954
4851         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4852         * common.opt (Wlogical-op): Move from here...
4853         * c.opt (Wlogical-op): ... to here.
4854         * c-typeck.c (parser_build_binary_op): Update call to
4855         warn_logical_operator.
4856         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4857         extra_warnings.
4858         * c-common.c (warn_logical_op): Update.
4859         * c-common.h (warn_logical_op): Update declaration.
4860
4861 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4862
4863         * tree.c (protected_set_expr_location): Fix formatting.
4864
4865 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4866
4867         PR c/27676
4868         * c-typeck.c (readonly_warning): new.
4869         (build_unary_op, build_modify_expr): Use readonly_warning for
4870         storing into something readonly but not const-qualified.
4871
4872 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4873
4874         PR c/22367
4875         * c-typeck.c (build_unary_op): Check for taking address of
4876         expression of type void.
4877
4878 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4879
4880         PR c/35210
4881         * c-typeck.c (build_function_call): Check for calling a function
4882         with qualified void return types.  Call require_complete_type when
4883         generating a trap.
4884
4885 2009-04-18  Jan Hubicka  <jh@suse.cz>
4886
4887         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4888         Set nothrow flag.
4889         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4890         can_throw_external flag.
4891         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4892         * ipa-pure-const.c (ignore_edge): New function.
4893         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4894         only over can_throw_external edges.
4895         (local_pure_const): Add nothrow flag.
4896         * ipa-utils.c (searchc): Add ignore_edge callback.
4897         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4898         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4899         (set_nothrow_function_flags): Update cgraph.
4900         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4901
4902 2009-04-18  Richard Guenther  <rguenther@suse.de>
4903
4904         PR middle-end/39804
4905         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4906         (fold_stmt): ... this and ...
4907         (fold_stmt_inplace): ... this.
4908         (fold_stmt_1): Fold references in calls and asms.
4909         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4910
4911 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4912
4913         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4914         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4915
4916 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4917
4918         * tree.c (function_args_count): Remove.
4919         * tree.h: Remove the prototype for function_args_count.
4920
4921 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4922
4923         * tree-iterator.c (expr_only): Remove.
4924         * tree.h: Remove the prototype for expr_only.
4925
4926 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4927
4928         * reginfo.c (cannot_change_mode_set_regs): Remove.
4929         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4930
4931 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4932
4933         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4934         whether operands 0 and 1 overlaps.
4935
4936 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4937
4938         PR middle-end/36902
4939         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4940         pointer. Use warning_at instead of warning.
4941         (search_for_addr_array): Likewise.
4942         (check_array_bounds): Likewise.
4943         (check_all_array_refs): Check that the incoming edge is not in the
4944         list of edges to be removed.
4945         (check_all_array_refs): Avoid the temporal pointer.
4946         (vrp_visit_cond_stmt): Fix typo.
4947         (simplify_switch_using_ranges): Handle the case where the switch
4948         index is an integer constant.
4949
4950 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4951
4952         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4953
4954 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4955
4956         * doc/extend.texi, doc/invoke.texi: Fix typos.
4957
4958 2009-04-17  Cary Coutant  <ccoutant@google.com>
4959
4960         * tree-flow-inline.h (get_lineno): Fix inverted test.
4961
4962 2009-04-17  Diego Novillo  <dnovillo@google.com>
4963
4964         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4965         assertion for AVAIL_OUT.
4966
4967 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4968
4969         PR target/38627
4970         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4971         * config/sh/linux-atomic.asm: Likewise.
4972
4973 2009-04-17  Diego Novillo  <dnovillo@google.com>
4974
4975         * except.c (debug_eh_tree): New.
4976         (struct eh_region, struct eh_status): Move ...
4977         * except.h: ... here.
4978         (add_type_for_runtime): Declare extern.
4979         (lookup_type_for_runtime): Likewise.
4980         (debug_eh_tree): Declare.
4981         * Makefile.in (GTFILES): List except.h before except.c
4982
4983 2009-04-17  Diego Novillo  <dnovillo@google.com>
4984
4985         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4986         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4987         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4988         (find_vars_r): ... here.
4989         * tree-flow.h (find_referenced_vars_in): Declare.
4990         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4991         that AVAIL_OUT exists for BLOCK.
4992         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4993         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4994         (tree-parloops.o): Likewise.
4995
4996 2009-04-17  Simon Baldwin  <simonb@google.com>
4997
4998         * toplev.c (default_tree_printer): Add handling for %E format.
4999
5000 2009-04-17  Diego Novillo  <dnovillo@google.com>
5001
5002         * tree-pretty-print.c (dump_generic_node): Add break after
5003         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
5004         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
5005         FUNCTION_TYPE together.  Call print_struct_decl when printing
5006         structures and TDF_SLIM is not given.
5007         (print_struct_decl): Fix logic for detecting recursion.
5008
5009 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5010
5011         PR 31567
5012         * gcc.c (create_at_file): New.
5013         (compile_input_file_p): New.
5014         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5015         * main.c (main): Update call to toplev_main.
5016         * toplev.c (toplev_main): Change signature. Call expandargv.
5017         * toplev.h (toplev_main): Change signature.
5018
5019 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5020
5021         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5022         if the latter is not constant.
5023
5024 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5025
5026         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5027
5028 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5029
5030         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5031         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5032
5033 2009-04-17  Richard Guenther  <rguenther@suse.de>
5034
5035         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5036         Handle component references view-converting an invariant address.
5037
5038 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5039
5040         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5041         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5042         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5043         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5044         Use @deftypevr rather than @deftypevar.
5045
5046 2009-04-17  Richard Guenther  <rguenther@suse.de>
5047
5048         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5049         (get_prop_source_stmt): Likewise.
5050         (can_propagate_from): Likewise.
5051
5052 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5053
5054         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5055         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5056         (--with-multilib-list): Add default value.
5057         * configure: Regenerate.
5058         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5059         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5060         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5061         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5062         Don't add default cpu to multilib list unnecessarily, but do enable
5063         the relevant compiler option..
5064         Add support for --with-multilib-list=<blank> and
5065         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5066         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5067         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5068         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5069         TM_MULTILIB_CONFIG.
5070         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5071         (MULTILIB_OSDIRNAMES): New variable.
5072         * config/sh/t-1e: Delete file.
5073         * config/sh/t-mlib-sh1: Delete file.
5074         * config/sh/t-mlib-sh2: Delete file.
5075         * config/sh/t-mlib-sh2a: Delete file.
5076         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5077         * config/sh/t-mlib-sh2a-single: Delete file.
5078         * config/sh/t-mlib-sh2a-single-only: Delete file.
5079         * config/sh/t-mlib-sh2e: Delete file.
5080         * config/sh/t-mlib-sh3e: Delete file.
5081         * config/sh/t-mlib-sh4: Delete file.
5082         * config/sh/t-mlib-sh4-nofpu: Delete file.
5083         * config/sh/t-mlib-sh4-single: Delete file.
5084         * config/sh/t-mlib-sh4-single-only: Delete file.
5085         * config/sh/t-mlib-sh4a: Delete file.
5086         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5087         * config/sh/t-mlib-sh4a-single: Delete file.
5088         * config/sh/t-mlib-sh4a-single-only: Delete file.
5089         * config/sh/t-mlib-sh4al: Delete file.
5090         * config/sh/t-mlib-sh5-32media: Delete file.
5091         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5092         * config/sh/t-mlib-sh5-64media: Delete file.
5093         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5094         * config/sh/t-mlib-sh5-compact: Delete file.
5095         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5096         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5097         * doc/install.texi (Options specification): Add
5098         --with-multilib-list and --with-endian.
5099
5100 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5101
5102         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5103         REVISION_c.
5104         (OBJS-common): Add plugin-version.o.
5105         (plugin-version.o): New.
5106         * gcc-plugin.h (plugin_gcc_version): New.
5107         (plugin_default_version_check): New.
5108         (plugin_init_func, plugin_init): Add version argument.
5109         * plugin-version.c: New.
5110         * plugin.c (str_plugin_gcc_version_name): New.
5111         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5112         pass it to the init function.
5113         (plugin_default_version_check): New.
5114
5115 2009-04-17  Richard Guenther  <rguenther@suse.de>
5116
5117         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5118         for decl-vs-decl disambiguation.
5119
5120 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5121
5122         * config/s390/s390.h (s390_tune_attr): New macro definition.
5123         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5124
5125 2009-04-17  Richard Guenther  <rguenther@suse.de>
5126
5127         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5128         (fold_stmt_r): Likewise.
5129         (maybe_fold_reference): New function.
5130         (fold_gimple_assign): Handle cases fold_stmt_r did.
5131         (fold_stmt): Do not use fold_stmt_r.
5132         (fold_stmt_inplace): Likewise.
5133
5134 2009-04-17  Richard Guenther  <rguenther@suse.de>
5135
5136         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5137         (record_equivalences_from_stmt): Remove useless checks and
5138         simplifications.
5139         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5140         the type is already suitable.
5141
5142 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5143
5144         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5145
5146 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5147
5148         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5149         (CMPtype): Define as __gcc_CMPtype.
5150
5151 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5152
5153         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5154         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5155
5156 2009-04-17  Richard Guenther  <rguenther@suse.de>
5157
5158         PR tree-optimization/39746
5159         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5160         special-casing for builtins and static variable use/def.
5161         (call_may_clobber_ref_p_1): Likewise.
5162
5163 2009-04-16  Ian Lance Taylor  <iant@google.com>
5164
5165         * df.h: Include "timevar.h".
5166         (struct df_problem): Change tv_id field to timevar_id_t.
5167         * tree-pass.h: Include "timevar.h".
5168         (struct opt_pass): Change tv_id field to timevar_id_t.
5169         * timevar.h (timevar_id_t): Define TV_NONE.
5170         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5171         TV_NONE rather than tv_id != 0.
5172         (execute_one_pass): Likewise.
5173         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5174         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5175         dependencies to $(TREE_PASS_H).
5176         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5177         to TV_NONE.
5178         (pass_branch_target_load_optimize2): Likewise.
5179         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5180         (pass_outof_cfg_layout_mode): Likewise.
5181         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5182         (pass_rebuild_cgraph_edges): Likewise.
5183         (pass_remove_cgraph_callee_edges): Likewise.
5184         * df-core.c (pass_df_initialize_opt): Likewise.
5185         (pass_df_initialize_no_opt): Likewise.
5186         (pass_df_finish): Likewise.
5187         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5188         * except.c (pass_set_nothrow_function_flags): Likewise.
5189         (pass_convert_to_eh_region_ranges): Likewise.
5190         * final.c (pass_compute_alignments): Likewise.
5191         * function.c (pass_instantiate_virtual_regs): Likewise.
5192         (pass_init_function): Likewise.
5193         (pass_leaf_regs): Likewise.
5194         (pass_match_asm_constraints): Likewise.
5195         * gimple-low.c (pass_lower_cf): Likewise.
5196         (pass_mark_used_blocks): Likewise.
5197         * init-regs.c (pass_initialize_regs): Likewise.
5198         * integrate.c (pass_initial_value_sets): Likewise.
5199         * ira.c (pass_ira): Likewise.
5200         * jump.c (pass_cleanup_barriers): Likewise.
5201         * omp-low.c (pass_expand_omp): Likewise.
5202         (pass_lower_omp): Likewise.
5203         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5204         * recog.c (pass_split_all_insns): Likewise.
5205         (pass_split_after_reload): Likewise.
5206         (pass_split_before_regstack): Likewise.
5207         (pass_split_before_sched2): Likewise.
5208         (pass_split_for_shorten_branches): Likewise.
5209         * reginfo.c (pass_reginfo_init): Likewise.
5210         (pass_subregs_of_mode_init): Likewise.
5211         (pass_subregs_of_mode_finish): Likewise.
5212         * passes.c (pass_postreload): Likewise.
5213         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5214         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5215         (pass_warn_function_return): Likewise.
5216         (pass_warn_function_noreturn): Likewise.
5217         * tree-complex.c (pass_lower_complex): Likewise.
5218         (pass_lower_complex_O0): Likewise.
5219         * tree-if-conv.c (pass_if_conversion): Likewise.
5220         * tree-into-ssa.c (pass_build_ssa): Likewise.
5221         * tree-mudflap.c (pass_mudflap_1): Likewise.
5222         (pass_mudflap_2): Likewise.
5223         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5224         (pass_mudflap_2): Likewise.
5225         * tree-nrv.c (pass_return_slot): Likewise.
5226         * tree-object-size.c (pass_object_sizes): Likewise.
5227         * tree-optimize.c (pass_all_optimizations): Likewise.
5228         (pass_early_local_passes): Likewise.
5229         (pass_all_early_optimizations): Likewise.
5230         (pass_cleanup_cfg): Likewise.
5231         (pass_cleanup_cfg_post_optimizing): Likewise.
5232         (pass_free_datastructures): Likewise.
5233         (pass_free_cfg_annotations): Likewise.
5234         (pass_fixup_cfg): Likewise.
5235         (pass_init_datastructures): Likewise.
5236         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5237         (pass_late_warn_uninitialized): Likewise.
5238         (pass_update_address_taken): Likewise.
5239         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5240         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5241         (pass_cse_sincos): Likewise.
5242         (pass_convert_to_rsqrt): Likewise.
5243         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5244         * tree-stdarg.c (pass_stdarg): Likewise.
5245         * tree-tailcall.c (pass_tail_recursion): Likewise.
5246         (pass_tail_calls): Likewise.
5247         * tree-vect-generic.c (pass_lower_vector): Likewise.
5248         (pass_lower_vector_ssa): Likewise.
5249         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5250
5251 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5252
5253         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5254         XLR entry.
5255         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5256         Handle -march=xlr.
5257         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5258         logical and signext.
5259
5260 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5261
5262         PR target/39767
5263         * config/sh/predicates.md (arith_operand): Check if the operand
5264         of TRUNCATE is a REG.
5265
5266 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5267
5268         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5269         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5270
5271 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5272
5273         * tree-iterator.c (tsi_split_statement_list_after,
5274         tsi_split_statement_list_before): Remove.
5275         * tree-iterator.h: Remove the prototypes for
5276         tsi_split_statement_list_after and tsi_split_statement_list_before.
5277
5278 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5279
5280         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5281         * tree-ssa-propagate.h: Remove the prototype for
5282         stmt_makes_single_load.
5283
5284 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5285
5286         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5287         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5288
5289 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5290
5291         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5292
5293 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5294
5295         * except.c (eh_region_outer_p): Remove.
5296         * except.h: Remove the prototype for eh_region_outer_p.
5297
5298 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5299
5300         * function.c (current_function_assembler_name): Remove.
5301         * function.h: Remove the prototype for
5302         current_function_assembler_name.
5303
5304 2009-04-16  Ian Lance Taylor  <iant@google.com>
5305
5306         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5307         (add_reg_note): Call alloc_reg_note.
5308         * rtl.h (alloc_reg_note): Declare.
5309         * combine.c (try_combine): Use alloc_reg_note.
5310         (recog_for_combine, move_deaths): Likewise.
5311         (distribute_notes): Use alloc_reg_note and add_reg_note.
5312         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5313         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5314         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5315
5316 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5317
5318         PR rtl-optimization/39762
5319         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5320         ira_may_move_out_cost): Add comments about way of their usage.
5321         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5322
5323         * ira-conflicts.c (process_regs_for_copy): Use function
5324         ira_get_register_move_cost instead of global
5325         ira_register_move_cost.
5326
5327         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5328         color_pass, move_spill_restore, update_curr_costs): Ditto.
5329
5330         * ira-lives.c (process_single_reg_class_operands): Ditto.
5331
5332         * ira-emit.c (emit_move_list): Ditto.
5333
5334         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5335         (record_reg_classes): Ditto.  Use functions
5336         ira_get_register_move_cost and ira_get_may_move_cost instead of
5337         global vars ira_register_move_cost, ira_may_move_out_cost and
5338         ira_may_move_in_cost.
5339         (record_address_regs): Don't call ira_init_register_move_cost.
5340         Use function ira_get_may_move_cost instead of global
5341         ira_may_move_in_cost.
5342         (process_bb_node_for_hard_reg_moves): Use function
5343         ira_get_register_move_cost instead of global ira_register_move_cost.
5344         (ira_costs): Don't call ira_init_register_move_cost.
5345
5346 2009-04-16  Richard Guenther  <rguenther@suse.de>
5347
5348         * tree-cfg.c (verify_gimple_assign_binary):
5349         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5350         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5351         (create_general_new_stmt): Note that this function is broken.
5352
5353 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5354
5355         * common.opt (fhelp): Add Var(help_flag).
5356         * gcc-plugin.h (plugin_info): Add help.
5357         * plugin.c (plugin_name_args): Add help.
5358         (register_plugin_info): Set plugin->help.
5359         (print_help_one_plugin): New.
5360         (print_plugins_help): New.
5361         * plugin.h (print_plugins_help): New.
5362         * toplev.c (toplev_main): Call print_plugins_help if needed.
5363
5364 2009-04-16  Richard Guenther  <rguenther@suse.de>
5365
5366         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5367         (gimple_ior_addresses_taken_1): New function.
5368         (gimple_ior_addresses_taken): Likewise.
5369         * gimple.h (struct gimple_statement_with_ops_base): Remove
5370         addresses_taken member.
5371         (gimple_ior_addresses_taken): Declare.
5372         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5373         gimple_set_addresses_taken): Remove.
5374         * ipa-reference.c (mark_address): New function.
5375         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5376         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5377         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5378         (gimple_add_to_addresses_taken): Remove.
5379         (get_tmr_operands): Call mark_address_taken.
5380         (get_asm_expr_operands): Likewise.
5381         (get_expr_operands): Likewise.
5382         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5383         (free_stmt_operands): Do not free it.
5384         * tree-ssa.c (delete_tree_ssa): Likewise.
5385         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5386
5387 2009-04-16  Richard Guenther  <rguenther@suse.de>
5388
5389         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5390         (walk_stmt_load_store_ops): Likewise.
5391         * gimple.c (get_base_loadstore): New function.
5392         (walk_stmt_load_store_addr_ops): Likewise.
5393         (walk_stmt_load_store_ops): Likewise.
5394         * ipa-pure-const.c (check_op): Simplify.
5395         (check_load, check_store): New functions.
5396         (check_stmt): Use walk_stmt_load_store_ops.
5397         * ipa-reference.c (mark_load): Adjust signature.
5398         (mark_store): Likewise.
5399         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5400
5401 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5402
5403         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5404         (plugin_info): New.
5405         * opts.c (common_handle_option): Don't call print_version.
5406         * plugin.c (plugin_name_args): Add version.
5407         (register_plugin_info): New.
5408         (register_callback): Handle PLUGIN_INFO.
5409         (try_init_one_plugin): New.
5410         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5411         if failed to init.
5412         (finalize_one_plugin): New.
5413         (finalize_plugins): New.
5414         (print_one_plugin): New.
5415         (print_plugins_versions): New.
5416         * plugin.h (print_plugins_versions): New.
5417         (finalize_plugins): New.
5418         * toplev.c (compile_file): Don't call initialize_plugins.
5419         (print_version): Call print_plugins_versions.
5420         (toplev_main): Call initialize_plugins. Print version if needed.
5421         Call finalize_plugins.
5422
5423 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5424
5425         * common.opt (fversion): New.
5426         * gcc.c (print_version): New.
5427         (process_command): Don't print the version. Just set print_version.
5428         (main): Print version. Call subprocesses if print_version and
5429         verbose_flag are set.
5430         * opts.c (common_handle_option): Handle OPT_fversion.
5431
5432 2009-04-16  Richard Guenther  <rguenther@suse.de>
5433             Ira Rosen  <irar@il.ibm.com>
5434
5435         PR tree-optimization/39698
5436         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5437         type of the reduction variable.  Only generate the def if
5438         it is needed.
5439
5440         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5441         make sure to first convert to an integer of the same precision.
5442         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5443         the type of the evolution correctly in computing the new
5444         induction variable base.
5445
5446 2009-04-16  Richard Guenther  <rguenther@suse.de>
5447
5448         PR middle-end/39625
5449         * tree-cfg.c (make_blocks): Split statements with to-be
5450         abnormal SSA names on the lhs.
5451
5452 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5453
5454         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5455         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5456         * c-typeck.c (really_start_incremental_init): Likewise.
5457         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5458         (TARGET_INITIALIZER): Remove it.
5459         * target.h (struct target): Remove vector_opaque_p.
5460         * tree.c (build_opaque_vector_type): New.
5461         * tree.h (TYPE_VECTOR_OPAQUE): New.
5462         (build_opaque_vector_type): Declare.
5463         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5464         * config/rs6000/rs6000.c (build_opaque_vector_type,
5465         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5466         (rs6000_init_builtins): Use build_opaque_vector_type for
5467         opaque_V4SI_type_node.
5468
5469 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5470
5471         * debug.h (set_name):  Declare.
5472         * dwarf2out.c (dwarf2out_set_name): Declare.
5473         (dwarf2_debug_hooks): Add set_name.
5474         (find_AT_string): New.
5475         (add_AT_string): Call find_AT_string.
5476         (dwarf2out_set_name): New.
5477         * cp/decl.c (grokdeclarator): Call set_name.
5478         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5479         * debug.c (do_nothing_debug_hooks):  Likewise.
5480         * dbxout.c (dbx_debug_hooks): Likewise.
5481         * sdbout.c (sdb_debug_hooks): Likewise.
5482
5483 2009-04-15  Michael Eager  <eager@eagercon.com>
5484
5485         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5486         reg for single-precision FPU.
5487         * config/rs6000/rs6000.md (movsi_internal1): Only for
5488         !TARGET_SINGLE_FPU.
5489         (movsi_internal1_single): New. Add pattern to move SI values to/from
5490         single-precision FP regs.
5491
5492 2009-04-15  Richard Guenther  <rguenther@suse.de>
5493
5494         * omp-low.c (lower_rec_input_clauses): Build correct address
5495         expressions.
5496         (expand_omp_for_generic): Fix multiplication type.
5497         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5498         (generate_memset_zero): Fix types.
5499         * tree-profile.c (prepare_instrumented_value): Correctly
5500         widen a pointer.
5501
5502 2009-04-15  Ian Lance Taylor  <iant@google.com>
5503
5504         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5505         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5506         for -Wall and for -Wc++-compat.
5507         (c_common_post_options): For C++, set warn_enum_compare if not
5508         already set.
5509         * c-tree.h (struct c_expr): Add field original_type.
5510         (build_external_ref): Update declaration.
5511         * c-parser.c (c_parser_braced_init): Set original_type.
5512         (c_parser_initelt): Likewise.
5513         (c_parser_expr_no_commas): Likewise.
5514         (c_parser_conditional_expression): Likewise.
5515         (c_parser_cast_expression): Likewise.
5516         (c_parser_unary_expression): Likewise.  Pull setting of
5517         original_code to top of function.
5518         (c_parser_sizeof_expression): Set original_type.
5519         (c_parser_alignof_expression): Likewise.
5520         (c_parser_postfix_expression): Likewise.  Pull setting of
5521         original_code to top of function.
5522         (c_parser_postfix_expression_after_paren_type): Set original_type.
5523         (c_parser_postfix_expression_after_primary): Likewise.
5524         (c_parser_expression): Likewise.
5525         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5526         callers.
5527         (c_expr_sizeof_expr): Set original_type field.
5528         (parser_build_unary_op): Likewise.
5529         (parser_build_binary_op): Likewise.  Optionally warn about
5530         comparisons of enums of different types.
5531         (digest_init): Set original_type field.
5532         (really_start_incremental_init): Likewise.
5533         (push_init_level, pop_init_level): Likewise.
5534         * doc/invoke.texi (Warning Options): -Wenum-compare now
5535         supported in C.
5536
5537 2009-04-15  Richard Guenther  <rguenther@suse.de>
5538
5539         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5540         out a necessary conversion.
5541         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5542         names we didn't value number.
5543         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5544
5545 2009-04-15  Richard Guenther  <rguenther@suse.de>
5546
5547         PR tree-optimization/39764
5548         * tree-ssa-ccp.c (get_value): Canonicalize value with
5549         canonicalize_float_value.
5550
5551 2009-04-15  Jan Hubicka  <jh@suse.cz>
5552
5553         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5554         Wrong version of patch.
5555
5556 2009-04-15  Jan Hubicka  <jh@suse.cz>
5557
5558         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5559
5560 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5561
5562         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5563         our distinct integral and vector types.
5564
5565 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5566
5567         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5568         * init.c (build_vtbl_address): Remove call to assemble_external.
5569
5570 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5571
5572         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5573         output for other floating point modes.
5574
5575 2009-04-14  Diego Novillo  <dnovillo@google.com>
5576
5577         * diagnostic.c (diagnostic_report_diagnostic): Do not
5578         warn about loaded plugins for DK_ERROR and DK_WARNING.
5579         * c-decl.c (declspecs_add_type): Move call to
5580         invoke_plugin_callbacks ...
5581         * c-parser.c (c_parser_declspecs): ... here.
5582         * plugin.c (dump_active_plugins): Tidy output.
5583
5584 2009-04-14  Diego Novillo  <dnovillo@google.com>
5585             Le-Chun Wu  <lcwu@google.com>
5586
5587         * configure.ac: Add --enable-plugin support.
5588         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5589         * Makefile.in (PLUGIN_H): Define.
5590         Export ENABLE_PLUGIN and GMPINC to site.exp.
5591         Add PLUGINLIBS to link command.
5592         Add/modify dependencies for plugin.o and files including plugin.h.
5593         (plugin.o): New.
5594         * config.in: Regenerate.
5595
5596         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5597         OPT_fplugin_arg_.
5598
5599 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5600
5601         * tree-pass.h (register_one_dump_file): Add a prototype for
5602         register_one_dump_file.
5603         * toplev.c (compile_file): Call initialize_plugins.
5604         (do_compile): Call invoke_plugin_callbacks.
5605         (toplev_main): Call invoke_plugin_callbacks.
5606         * common.opt: Add -fplugin= and -fplugin-arg-.
5607         * gcc-plugin.h: New public header file for plugins to include.
5608         * plugin.c: New source file.
5609         * plugin.h: New internal header file.
5610         * passes.c (register_one_dump_file): Make it external.
5611
5612         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5613
5614 2009-04-14  Diego Novillo  <dnovillo@google.com>
5615
5616         * doc/plugins.texi: New.
5617         * doc/gccint.texi: Add reference to Plugins chapter.
5618         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5619         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5620         loaded plugins, if any.
5621         * timevar.def (TV_PLUGIN_INIT): Define.
5622         (TV_PLUGIN_RUN): Define.
5623         * plugin.c: Include timevar.h
5624         (plugins_active_p): New.
5625         (dump_active_plugins): New.
5626         (debug_active_plugins): New.
5627
5628 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5629
5630         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5631         library paths.
5632         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5633
5634 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5635
5636         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5637         the same as a minus without a shift.
5638
5639 2009-04-14  Nick Clifton  <nickc@redhat.com>
5640
5641         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5642         comparisons with small integers will always produce a short
5643         branch.
5644
5645 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5646
5647         Merge:
5648         2008-12-19  Diego Novillo  <dnovillo@google.com>
5649
5650         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5651
5652 2009-04-14  Richard Guenther  <rguenther@suse.de>
5653
5654         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5655         verification.
5656         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5657         rotates correctly.
5658         (verify_gimple_phi): Print the mismatched argument position.
5659         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5660         Fix types.
5661         (vect_update_init_of_dr): Likewise.
5662         * matrix-reorg.c (transform_access_sites): Do what the
5663         comment suggests.
5664         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5665
5666 2009-04-13  Michael Eager  <eager@eagercon.com>
5667
5668         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5669         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5670         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5671         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5672         remove duplicate config
5673
5674 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5675
5676         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5677         file_name:line_number type locator of the call site.
5678
5679 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5680
5681         * genautomata.c: Put blank after comma.
5682         (automaton_decls): New.
5683         (struct unit_usage): Add comments to member next.
5684         (store_alt_unit_usage): Keep the list ordered.
5685         (unit_present_on_list_p, equal_alternatives_p): New.
5686         (check_regexp_units_distribution): Check units distribution
5687         correctness correctly.
5688         (main): Don't write automata if error is found.  Return correct
5689         exit code.
5690
5691         * config/m68k/cf.md (cfv4_ds): Remove.
5692         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5693         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5694
5695         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5696         power4-load-ext, power4-store, power4-store-update,
5697         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5698         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5699         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5700         power4-sqrt, power4-isync): Modify reservation to make correct
5701         unit distribution to automata.
5702
5703         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5704         power5-store-update, power5-two, power5-three, power5-lmul,
5705         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5706
5707 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5708
5709         * except.c (pass_set_nothrow_function_flags): Set name and add
5710         TODO_dump_func.
5711         (set_nothrow_function_flags): Mention in the dump file when
5712         changing a function to nothrow.
5713
5714 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5715
5716         PR/39066
5717         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5718         instead of unsigned long.
5719
5720 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5721
5722         * config/arm/arm.c (return_used_this_function): Remove.
5723         (arm_output_function_prologue): Remove use of
5724         return_used_this_function.
5725         (output_return_instruction): Replace use of
5726         return_used_this_function
5727         by cfun->machine->return_used_this_function.
5728         (arm_output_epilogue): Likewise.
5729         (arm_output_function_epilogue): Likewise.
5730         (thumb_unexpanded_epilogue): Likewise.
5731         * config/arm/arm.h (struct machine_function):
5732         New member return_used_this_function.
5733
5734 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5735
5736         * doc/install.texi: Correct description of default directory for
5737         --with-gxx-include-dir.
5738
5739 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5740
5741         * fold-const.c (build_range_check): Properly deal with enumeral and
5742         boolean base types.
5743
5744 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5745
5746         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5747         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5748         * params.h (MAX_GCSE_PASSES): Remove.
5749         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5750         in sequence.  Remove ability to run multiple passes.
5751         (bypass_jumps): Report run as third CPROP pass.
5752
5753 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5754
5755         PR middle-end/39651
5756         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5757         when deciding whether the whole SEQUENCE can throw.
5758
5759 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5760
5761         PR target/39740
5762         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5763         offseted label references.
5764
5765 2009-04-11  Jan Hubicka  <jh@suse.cz>
5766
5767         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5768
5769 2009-04-11  Richard Guenther  <rguenther@suse.de>
5770
5771         PR middle-end/39732
5772         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5773         return variables as TREE_ADDRESSABLE.
5774
5775 2009-04-11  Richard Guenther  <rguenther@suse.de>
5776
5777         PR tree-optimization/39713
5778         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5779         reference trees have SSA_NAME operands.
5780
5781 2009-04-11  Richard Guenther  <rguenther@suse.de>
5782
5783         PR c/39712
5784         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5785         address expressions.
5786
5787 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5788
5789         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5790         match changes in Cygwin 1.7
5791         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5792         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5793
5794 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5795
5796         PR tree-optimization/39701
5797         * doc/invoke.texi (Optimization Options): Document change in
5798         meaning and initialization of -fdelete-null-pointer-checks.
5799
5800 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5801
5802         PR middle-end/39701
5803         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5804
5805         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5806         here.
5807
5808         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5809
5810 2009-04-10  Chao-ying Fu  <fu@mips.com>
5811
5812         * doc/tm.texi (Instruction Output): Document
5813         TARGET_ASM_FINAL_POSTSCAN_INSN.
5814         * target.h (final_postscan_insn): New field in asm_out.
5815         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5816         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5817         * final.c (final_scan_insn): Call
5818         targetm.asm_out.final_postscan_insn after outputting
5819         an asm macro and a normal instruction.
5820
5821         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5822         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5823         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5824         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5825         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5826
5827 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5828
5829         PR middle-end/39701
5830         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5831         variables as non-NULL even with -fdelete-null-pointer-checks.
5832
5833 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5834
5835         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5836
5837 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5838
5839         PR target/39678
5840         * config/i386/i386.c (classify_argument): Handle SCmode with
5841         (bit_offset % 64) != 0.
5842
5843 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5844
5845         * doc/invoke.texi (Optimize Options): Add cross-reference to
5846         -Q --help=optimizers examples.
5847
5848 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5849
5850         PR target/36800
5851         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5852         regalign for the reg == fpr and TDmode case.
5853
5854 2009-04-09  David Ayers  <ayers@fsfe.org>
5855
5856         PR objc/29200
5857         * objc/objc-act.c (warn_with_method): Remove helper function.
5858         (check_duplicates): Call warning and inform directly.
5859         (really_start_method): Likewise.
5860
5861 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5862
5863         * expmed.c (expand_divmod): Always use a comparison for a division
5864         by a large unsigned integer.
5865
5866         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5867         for things others than variables or functions as nonzero.
5868
5869 2009-04-09  Nick Clifton  <nickc@redhat.com>
5870
5871         * unwind-compat.c: Change copyright header to refer to version
5872         3 of the GNU General Public License with version 3.1 of the
5873         GCC Runtime Library Exception and to point readers at the
5874         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5875         * config/alpha/crtfastmath.c: Likewise.
5876         * config/alpha/linux-unwind.h: Likewise.
5877         * config/alpha/qrnnd.asm: Likewise.
5878         * config/alpha/vms-crt0-64.c: Likewise.
5879         * config/alpha/vms-crt0.c: Likewise.
5880         * config/alpha/vms-dwarf2.asm: Likewise.
5881         * config/alpha/vms-dwarf2eh.asm: Likewise.
5882         * config/alpha/vms-psxcrt0-64.c: Likewise.
5883         * config/alpha/vms-psxcrt0.c: Likewise.
5884         * config/alpha/vms_tramp.asm: Likewise.
5885         * config/arc/initfini.c: Likewise.
5886         * config/arc/lib1funcs.asm: Likewise.
5887         * config/arm/bpabi-v6m.S: Likewise.
5888         * config/arm/bpabi.S: Likewise.
5889         * config/arm/bpabi.c: Likewise.
5890         * config/arm/crti.asm: Likewise.
5891         * config/arm/crtn.asm: Likewise.
5892         * config/arm/ieee754-df.S: Likewise.
5893         * config/arm/ieee754-sf.S: Likewise.
5894         * config/arm/lib1funcs.asm: Likewise.
5895         * config/arm/libunwind.S: Likewise.
5896         * config/arm/linux-atomic.c: Likewise.
5897         * config/arm/mmintrin.h: Likewise.
5898         * config/arm/pr-support.c: Likewise.
5899         * config/arm/unaligned-funcs.c: Likewise.
5900         * config/arm/unwind-arm.c: Likewise.
5901         * config/arm/unwind-arm.h: Likewise.
5902         * config/avr/libgcc.S: Likewise.
5903         * config/bfin/crti.s: Likewise.
5904         * config/bfin/crtlibid.s: Likewise.
5905         * config/bfin/crtn.s: Likewise.
5906         * config/bfin/lib1funcs.asm: Likewise.
5907         * config/bfin/linux-unwind.h: Likewise.
5908         * config/cris/arit.c: Likewise.
5909         * config/cris/cris_abi_symbol.c: Likewise.
5910         * config/darwin-64.c: Likewise.
5911         * config/darwin-crt2.c: Likewise.
5912         * config/darwin-crt3.c: Likewise.
5913         * config/darwin.h: Likewise.
5914         * config/dbxelf.h: Likewise.
5915         * config/dfp-bit.c: Likewise.
5916         * config/dfp-bit.h: Likewise.
5917         * config/elfos.h: Likewise.
5918         * config/fixed-bit.c: Likewise.
5919         * config/fixed-bit.h: Likewise.
5920         * config/fp-bit.c: Likewise.
5921         * config/fp-bit.h: Likewise.
5922         * config/fr30/crti.asm: Likewise.
5923         * config/fr30/crtn.asm: Likewise.
5924         * config/fr30/lib1funcs.asm: Likewise.
5925         * config/freebsd-spec.h: Likewise.
5926         * config/frv/cmovd.c: Likewise.
5927         * config/frv/cmovh.c: Likewise.
5928         * config/frv/cmovw.c: Likewise.
5929         * config/frv/frvbegin.c: Likewise.
5930         * config/frv/frvend.c: Likewise.
5931         * config/frv/lib1funcs.asm: Likewise.
5932         * config/glibc-stdint.h: Likewise.
5933         * config/h8300/clzhi2.c: Likewise.
5934         * config/h8300/crti.asm: Likewise.
5935         * config/h8300/crtn.asm: Likewise.
5936         * config/h8300/ctzhi2.c: Likewise.
5937         * config/h8300/fixunssfsi.c: Likewise.
5938         * config/h8300/lib1funcs.asm: Likewise.
5939         * config/h8300/parityhi2.c: Likewise.
5940         * config/h8300/popcounthi2.c: Likewise.
5941         * config/i386/ammintrin.h: Likewise.
5942         * config/i386/att.h: Likewise.
5943         * config/i386/avxintrin.h: Likewise.
5944         * config/i386/biarch64.h: Likewise.
5945         * config/i386/bmmintrin.h: Likewise.
5946         * config/i386/cpuid.h: Likewise.
5947         * config/i386/cross-stdarg.h: Likewise.
5948         * config/i386/crtfastmath.c: Likewise.
5949         * config/i386/crtprec.c: Likewise.
5950         * config/i386/cygming-crtbegin.c: Likewise.
5951         * config/i386/cygming-crtend.c: Likewise.
5952         * config/i386/cygwin.asm: Likewise.
5953         * config/i386/emmintrin.h: Likewise.
5954         * config/i386/gmm_malloc.h: Likewise.
5955         * config/i386/gthr-win32.c: Likewise.
5956         * config/i386/i386.h: Likewise.
5957         * config/i386/immintrin.h: Likewise.
5958         * config/i386/linux-unwind.h: Likewise.
5959         * config/i386/linux64.h: Likewise.
5960         * config/i386/mm3dnow.h: Likewise.
5961         * config/i386/mmintrin-common.h: Likewise.
5962         * config/i386/mmintrin.h: Likewise.
5963         * config/i386/nmmintrin.h: Likewise.
5964         * config/i386/pmm_malloc.h: Likewise.
5965         * config/i386/pmmintrin.h: Likewise.
5966         * config/i386/smmintrin.h: Likewise.
5967         * config/i386/sol2-c1.asm: Likewise.
5968         * config/i386/sol2-ci.asm: Likewise.
5969         * config/i386/sol2-cn.asm: Likewise.
5970         * config/i386/sol2-gc1.asm: Likewise.
5971         * config/i386/tmmintrin.h: Likewise.
5972         * config/i386/unix.h: Likewise.
5973         * config/i386/w32-unwind.h: Likewise.
5974         * config/i386/wmmintrin.h: Likewise.
5975         * config/i386/x86-64.h: Likewise.
5976         * config/i386/x86intrin.h: Likewise.
5977         * config/i386/xmmintrin.h: Likewise.
5978         * config/ia64/crtbegin.asm: Likewise.
5979         * config/ia64/crtend.asm: Likewise.
5980         * config/ia64/crtfastmath.c: Likewise.
5981         * config/ia64/crti.asm: Likewise.
5982         * config/ia64/crtn.asm: Likewise.
5983         * config/ia64/fde-glibc.c: Likewise.
5984         * config/ia64/lib1funcs.asm: Likewise.
5985         * config/ia64/linux-unwind.h: Likewise.
5986         * config/ia64/quadlib.c: Likewise.
5987         * config/ia64/unwind-ia64.c: Likewise.
5988         * config/linux.h: Likewise.
5989         * config/m32c/m32c-lib1.S: Likewise.
5990         * config/m32c/m32c-lib2-trapv.c: Likewise.
5991         * config/m32c/m32c-lib2.c: Likewise.
5992         * config/m32r/initfini.c: Likewise.
5993         * config/m68hc11/larith.asm: Likewise.
5994         * config/m68hc11/m68hc11-crt0.S: Likewise.
5995         * config/m68k/cf.md: Likewise.
5996         * config/m68k/crti.s: Likewise.
5997         * config/m68k/crtn.s: Likewise.
5998         * config/m68k/lb1sf68.asm: Likewise.
5999         * config/m68k/linux-unwind.h: Likewise.
6000         * config/mcore/crti.asm: Likewise.
6001         * config/mcore/crtn.asm: Likewise.
6002         * config/mcore/lib1.asm: Likewise.
6003         * config/mips/linux-unwind.h: Likewise.
6004         * config/mips/loongson.h: Likewise.
6005         * config/mips/mips16.S: Likewise.
6006         * config/mmix/crti.asm: Likewise.
6007         * config/mmix/crtn.asm: Likewise.
6008         * config/pa/fptr.c: Likewise.
6009         * config/pa/hpux-unwind.h: Likewise.
6010         * config/pa/lib2funcs.asm: Likewise.
6011         * config/pa/linux-atomic.c: Likewise.
6012         * config/pa/linux-unwind.h: Likewise.
6013         * config/pa/milli64.S: Likewise.
6014         * config/pa/quadlib.c: Likewise.
6015         * config/pa/stublib.c: Likewise.
6016         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6017         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6018         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6019         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6020         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6021         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6022         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6023         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6024         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6025         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6026         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6027         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6028         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6029         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6030         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6031         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6032         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6033         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6034         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6035         * config/rs6000/750cl.h: Likewise.
6036         * config/rs6000/altivec.h: Likewise.
6037         * config/rs6000/biarch64.h: Likewise.
6038         * config/rs6000/crtresfpr.asm: Likewise.
6039         * config/rs6000/crtresgpr.asm: Likewise.
6040         * config/rs6000/crtresxfpr.asm: Likewise.
6041         * config/rs6000/crtresxgpr.asm: Likewise.
6042         * config/rs6000/crtsavfpr.asm: Likewise.
6043         * config/rs6000/crtsavgpr.asm: Likewise.
6044         * config/rs6000/darwin-asm.h: Likewise.
6045         * config/rs6000/darwin-fallback.c: Likewise.
6046         * config/rs6000/darwin-fpsave.asm: Likewise.
6047         * config/rs6000/darwin-ldouble.c: Likewise.
6048         * config/rs6000/darwin-tramp.asm: Likewise.
6049         * config/rs6000/darwin-unwind.h: Likewise.
6050         * config/rs6000/darwin-vecsave.asm: Likewise.
6051         * config/rs6000/darwin-world.asm: Likewise.
6052         * config/rs6000/e500crtres32gpr.asm: Likewise.
6053         * config/rs6000/e500crtres64gpr.asm: Likewise.
6054         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6055         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6056         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6057         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6058         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6059         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6060         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6061         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6062         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6063         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6064         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6065         * config/rs6000/eabi-ci.asm: Likewise.
6066         * config/rs6000/eabi-cn.asm: Likewise.
6067         * config/rs6000/eabi.asm: Likewise.
6068         * config/rs6000/linux-unwind.h: Likewise.
6069         * config/rs6000/linux64.h: Likewise.
6070         * config/rs6000/paired.h: Likewise.
6071         * config/rs6000/paired.md: Likewise.
6072         * config/rs6000/ppc64-fp.c: Likewise.
6073         * config/rs6000/ppu_intrinsics.h: Likewise.
6074         * config/rs6000/rs6000.h: Likewise.
6075         * config/rs6000/si2vmx.h: Likewise.
6076         * config/rs6000/sol-ci.asm: Likewise.
6077         * config/rs6000/sol-cn.asm: Likewise.
6078         * config/rs6000/spe.h: Likewise.
6079         * config/rs6000/spu2vmx.h: Likewise.
6080         * config/rs6000/sysv4.h: Likewise.
6081         * config/rs6000/tramp.asm: Likewise.
6082         * config/rs6000/vec_types.h: Likewise.
6083         * config/s390/linux-unwind.h: Likewise.
6084         * config/s390/tpf-unwind.h: Likewise.
6085         * config/score/crti.asm: Likewise.
6086         * config/score/crtn.asm: Likewise.
6087         * config/sh/crt1.asm: Likewise.
6088         * config/sh/crti.asm: Likewise.
6089         * config/sh/crtn.asm: Likewise.
6090         * config/sh/divtab-sh4-300.c: Likewise.
6091         * config/sh/divtab-sh4.c: Likewise.
6092         * config/sh/divtab.c: Likewise.
6093         * config/sh/lib1funcs-4-300.asm: Likewise.
6094         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6095         * config/sh/lib1funcs.asm: Likewise.
6096         * config/sh/lib1funcs.h: Likewise.
6097         * config/sh/linux-atomic.asm: Likewise.
6098         * config/sh/linux-unwind.h: Likewise.
6099         * config/sh/shmedia.h: Likewise.
6100         * config/sh/sshmedia.h: Likewise.
6101         * config/sh/ushmedia.h: Likewise.
6102         * config/sparc/crtfastmath.c: Likewise.
6103         * config/sparc/linux-unwind.h: Likewise.
6104         * config/sparc/sol2-c1.asm: Likewise.
6105         * config/sparc/sol2-ci.asm: Likewise.
6106         * config/sparc/sol2-cn.asm: Likewise.
6107         * config/spu/divmodti4.c: Likewise.
6108         * config/spu/divv2df3.c: Likewise.
6109         * config/spu/float_disf.c: Likewise.
6110         * config/spu/float_unsdidf.c: Likewise.
6111         * config/spu/float_unsdisf.c: Likewise.
6112         * config/spu/float_unssidf.c: Likewise.
6113         * config/spu/mfc_multi_tag_release.c: Likewise.
6114         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6115         * config/spu/mfc_tag_release.c: Likewise.
6116         * config/spu/mfc_tag_reserve.c: Likewise.
6117         * config/spu/mfc_tag_table.c: Likewise.
6118         * config/spu/multi3.c: Likewise.
6119         * config/spu/spu_internals.h: Likewise.
6120         * config/spu/spu_intrinsics.h: Likewise.
6121         * config/spu/spu_mfcio.h: Likewise.
6122         * config/spu/vec_types.h: Likewise.
6123         * config/spu/vmx2spu.h: Likewise.
6124         * config/stormy16/stormy16-lib2.c: Likewise.
6125         * config/svr4.h: Likewise.
6126         * config/sync.c: Likewise.
6127         * config/v850/lib1funcs.asm: Likewise.
6128         * config/vxlib-tls.c: Likewise.
6129         * config/vxlib.c: Likewise.
6130         * config/vxworks-dummy.h: Likewise.
6131         * config/xtensa/crti.asm: Likewise.
6132         * config/xtensa/crtn.asm: Likewise.
6133         * config/xtensa/ieee754-df.S: Likewise.
6134         * config/xtensa/ieee754-sf.S: Likewise.
6135         * config/xtensa/lib1funcs.asm: Likewise.
6136         * config/xtensa/lib2funcs.S: Likewise.
6137         * config/xtensa/linux-unwind.h: Likewise.
6138         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6139         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6140         * coretypes.h: Likewise.
6141         * crtstuff.c: Likewise.
6142         * defaults.h: Likewise.
6143         * dwarf2.h: Likewise.
6144         * emutls.c: Likewise.
6145         * gbl-ctors.h: Likewise.
6146         * gcov-io.h: Likewise.
6147         * ginclude/float.h: Likewise.
6148         * ginclude/iso646.h: Likewise.
6149         * ginclude/stdarg.h: Likewise.
6150         * ginclude/stdbool.h: Likewise.
6151         * ginclude/stddef.h: Likewise.
6152         * ginclude/stdfix.h: Likewise.
6153         * ginclude/stdint-gcc.h: Likewise.
6154         * ginclude/tgmath.h: Likewise.
6155         * gthr-aix.h: Likewise.
6156         * gthr-dce.h: Likewise.
6157         * gthr-gnat.c: Likewise.
6158         * gthr-gnat.h: Likewise.
6159         * gthr-lynx.h: Likewise.
6160         * gthr-mipssde.h: Likewise.
6161         * gthr-nks.h: Likewise.
6162         * gthr-posix.c: Likewise.
6163         * gthr-posix.h: Likewise.
6164         * gthr-posix95.h: Likewise.
6165         * gthr-rtems.h: Likewise.
6166         * gthr-single.h: Likewise.
6167         * gthr-solaris.h: Likewise.
6168         * gthr-tpf.h: Likewise.
6169         * gthr-vxworks.h: Likewise.
6170         * gthr-win32.h: Likewise.
6171         * gthr.h: Likewise.
6172         * libgcc2.c: Likewise.
6173         * libgcc2.h: Likewise.
6174         * libgcov.c: Likewise.
6175         * tsystem.h: Likewise.
6176         * typeclass.h: Likewise.
6177         * unwind-c.c: Likewise.
6178         * unwind-compat.h: Likewise.
6179         * unwind-dw2-fde-compat.c: Likewise.
6180         * unwind-dw2-fde-darwin.c: Likewise.
6181         * unwind-dw2-fde-glibc.c: Likewise.
6182         * unwind-dw2-fde.c: Likewise.
6183         * unwind-dw2-fde.h: Likewise.
6184         * unwind-dw2.c: Likewise.
6185         * unwind-dw2.h: Likewise.
6186         * unwind-generic.h: Likewise.
6187         * unwind-pe.h: Likewise.
6188         * unwind-sjlj.c: Likewise.
6189         * unwind.inc: Likewise.
6190         * config/arm/neon-gen.ml: Change generated copyright header to
6191         refer to version 3 of the GNU General Public License with
6192         version 3.1 of the GCC Runtime Library Exception and to point
6193         readers at the COPYING3 and COPYING3.RUNTIME files and the
6194         FSF's license web page.
6195         * config/arm/arm_neon.h: Regenerate.
6196
6197 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6198
6199         * config/cris/cris.md: Change copyright header to refer to version
6200         3 of the GNU General Public License.
6201         * doc/install.texi2html: Change copyright header to refer to version
6202         3 of the GNU General Public License and to point readers at the
6203         COPYING3 file and the FSF's license web page.
6204         * config/vax/linux.h: Likewise.
6205
6206 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6207
6208         * config/i386/i386.md (cmpcc): New.
6209         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6210         (sync_compare_and_swap_cc*): Delete.
6211
6212         * config/s390/s390.c (s390_compare_emitted): Remove.
6213         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6214         s390_compare_emitted used to be handled.  Assert that modes match.
6215         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6216         refer to sync_compare_and_swap_ccsi.
6217         * config/s390/s390.h (s390_compare_emitted): Remove.
6218         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6219         instead of s390_compare_emitted.
6220         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6221         instead of s390_compare_emitted.
6222         * config/s390/s390.md (cmpcc): New.
6223         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6224         CC_REGNUM, do not pretend it's set.
6225         (sync_compare_and_swap_cc*): Delete.
6226         * config/s390/predicates.md (cc_reg_operand): New.
6227
6228         * expr.c (sync_compare_and_swap_cc): Delete.
6229         * optabs.h (sync_compare_and_swap_cc): Delete.
6230         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6231         is being used with can_compare_p.
6232         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6233         (find_cc_set): New.
6234         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6235         look for a MODE_CC set instead.  Use emit_store_flag.
6236         (expand_compare_and_swap_loop): Likewise, with some additional
6237         complication to avoid a force_reg when useless.  Use
6238         emit_cmp_and_jump_insns.
6239         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6240         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6241         sync_compare_and_swap documentation.
6242
6243 2009-04-09  Jan Hubicka  <jh@suse.cz>
6244
6245         * except.c (find_prev_try): Break out from ....
6246         (duplicate_eh_regions): ... here; properly update prev_try pointers
6247         when duplication part of tree.
6248         (dump_eh_tree): Improve dumping.
6249         (verify_eh_region): New.
6250         (verify_eh_tree): Use it.
6251
6252 2009-04-06  Richard Guenther  <rguenther@suse.de>
6253
6254         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6255         &ARRAY addresses by adjusting their types and prepending
6256         a conversion.
6257         * tree-cfg.c (verify_gimple_assign_single): Verify that
6258         addresses are correct.
6259
6260 2009-04-09  Richard Guenther  <rguenther@suse.de>
6261
6262         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6263         indices into an array reference if possible.
6264         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6265         Fold POINTER_PLUS_EXPR statements with invariant address.
6266
6267 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6268
6269         PR target/39634
6270         * config.gcc (powerpc64-*-linux*): Always build biarch.
6271
6272 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6273
6274         PR c/39613
6275         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6276         it and pedwarn if this results in an INTEGER_CST.
6277
6278 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6279
6280         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6281         text in MPFR section.
6282
6283 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6284
6285         * dwarf2out.c (class_scope_p): New static inline.
6286         (class_or_namespace_scope_p): Use it.
6287         (gen_variable_die): Use DW_TAG_member tag for static data member
6288         declarations instead of DW_TAG_variable.
6289
6290         PR middle-end/39573
6291         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6292         variables.
6293
6294 2009-04-08  Richard Guenther  <rguenther@suse.de>
6295
6296         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6297         valueize random data.
6298
6299 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6300
6301         * config.gcc (aix tm_file):  Add aix-stdint.h.
6302         (aix tm clause use_gcc_stdint):  Set to wrap.
6303         * config/rs6000/aix-stdint.h:  New file.
6304
6305 2009-04-08  Richard Guenther  <rguenther@suse.de>
6306
6307         PR middle-end/36291
6308         * tree-dfa.c (add_referenced_var): Do not recurse into
6309         global initializers.
6310         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6311         exposed variables.
6312         (fold_const_aggregate_ref): Likewise.
6313
6314 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6315
6316         * recog.c (ordered_comparison_operator): New.
6317         * gensupport.c (std_preds): Add it.
6318         * doc/md.texi (Machine-Independent Predicates): Document it.
6319
6320 2009-04-08  Jan Hubicka  <jh@suse.cz>
6321
6322         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6323         * function.h (rtl_eh): Remove exception_handler_label_map.
6324         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6325         remove_exception_handler_label, for_each_eh_label_1): Remove.
6326         (rtl_remove_unreachable_regions): Remove.
6327         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6328         (find_exception_handler_labels): Don't build the hashtable.
6329         (maybe_remove_eh_handler): Remove.
6330         (for_each_eh_label): Rewrite to walk the tree.
6331         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6332         * except.h (maybe_remove_eh_handler): Remove.
6333         * passes.c (init_optimization_passes): Schedule second EH cleanup
6334         before out-of-ssa.
6335         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6336         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6337
6338 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6339
6340         * genoutput.c (validate_optab_operands): New.
6341         (gen_insn, gen_expand): Call it.
6342
6343         * genflags.c (gen_insn): Detect misused iterators.
6344         (main): Pass line_no to gen_insn, exit with status 1 on error.
6345
6346         * genextract.c (line_no): Make global.
6347         (VEC_safe_set_locstr): Change assertion to error message.
6348         (main): Exit with status 1 on error.
6349
6350 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6351
6352         PR c/39614
6353         PR c/39673
6354         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6355         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6356         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6357         * c-convert.c (convert): Do not call fold on results of conversion
6358         functions when the result is a C_MAYBE_CONST_EXPR.
6359         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6360         of __builtin_choose_expr.
6361         * c-typeck.c (remove_c_maybe_const_expr): New.
6362         (build_unary_op, build_conditional_expr, build_compound_expr,
6363         build_binary_op, c_objc_common_truthvalue_conversion): Call
6364         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6365         integer operands.
6366
6367 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6368
6369         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6370         CODE to produce a new one. Add a prototype to use fold_convert_const
6371
6372 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6373
6374         PR bootstrap/39660
6375         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6376         mix declarations and code.
6377
6378 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6379
6380         * gcc.c: Replace `CC' with `GCC' throughout.
6381
6382 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6383
6384         * doc/invoke.texi: Document Atom support.
6385
6386 2009-04-07  Jason Merrill  <jason@redhat.com>
6387
6388         PR c++/25185
6389         * c-common.h, c-common.c: Add flag_pretty_templates.
6390         * c-opts.c (c_common_handle_option): Set it.
6391         * c.opt: Add -fno-pretty-templates.
6392         * doc/invoke.texi (C++ Dialect Options): Likewise.
6393
6394 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6395
6396         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6397         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6398         (ia64_expand_builtin): Likewise.
6399
6400 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6401
6402         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6403         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6404         ADDR_EXPRS are include too.
6405
6406 2009-04-07  Richard Guenther  <rguenther@suse.de>
6407
6408         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6409         decls are only used if passes as parameters or if they are
6410         local statics and the call is not to a builtin.
6411         (call_may_clobber_ref_p_1): Likewise.
6412
6413 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6414
6415         * expr.c (do_store_flag): Remove last argument.  Simplify code
6416         to avoid duplication of tests already done by can_compare_p.
6417         (expand_expr_real_1): Adjust caller.
6418
6419 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6420
6421         * optabs.c (can_compare_p): Test the predicate of a
6422         cbranch and cstore pattern.
6423
6424 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6425
6426         * expr.c (convert_move): Use emit_store_flag instead of
6427         "emulating" it.
6428
6429 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6430
6431         * config/i386/i386.c (ix86_compare_emitted): Remove.
6432         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6433         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6434         * config/i386/i386.h (ix86_compare_emitted): Remove.
6435         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6436         instead of ix86_compare_emitted.
6437         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6438
6439 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6440
6441         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6442         Add t-sysroot-suffix to tmake_file.
6443         * config/print-sysroot-suffix.sh: New file.
6444         * config/t-sysroot-suffix: New file.
6445
6446 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6447
6448         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6449         as the latter produces a warning when the target does not support
6450         infinity.
6451
6452 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6453
6454         * dfp.c: Replace type punning assignments with memcpy throughout.
6455         * Makefile.in (dfp.o-warn): Remove.
6456
6457 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6458
6459         PR target/39634
6460         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6461         Include soft-fp/t-softfp after rs6000/t-linux64.
6462
6463 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6464
6465         * stor-layout.c (set_sizetype): Use the full precision of their
6466         machine mode for bitsize types.
6467
6468 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6469
6470         * config/i386/i386.md: Revert 2 accidental checkins.
6471
6472 2009-04-06  Joey Ye  <joey.ye@intel.com>
6473             Xuepeng Guo  <xuepeng.guo@intel.com>
6474             H.J. Lu  <hongjiu.lu@intel.com>
6475
6476         Atom pipeline model, tuning and insn selection.
6477         * config.gcc (atom): Add atom config options and target.
6478
6479         * config/i386/atom.md: New.
6480
6481         * config/i386/i386.c (atom_cost): New cost.
6482         (m_ATOM): New macro flag.
6483         (initial_ix86_tune_features): Set m_ATOM.
6484         (x86_accumulate_outgoing_args): Likewise.
6485         (x86_arch_always_fancy_math_387): Likewise.
6486         (processor_target): Add Atom cost.
6487         (cpu_names): Add Atom cpu name.
6488         (override_options): Set Atom ISA.
6489         (ix86_issue_rate): New case PROCESSOR_ATOM.
6490         (ix86_adjust_cost): Likewise.
6491
6492         * config/i386/i386.h (TARGET_ATOM): New target macro.
6493         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6494         (TARGET_OPT_AGU): New target option.
6495         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6496         (processor_type): Add PROCESSOR_ATOM.
6497
6498         * config/i386/i386.md (cpu): Add new value "atom".
6499         (use_carry, movu): New attr.
6500         (atom.md): Include atom.md.
6501         (adddi3_carry_rex64): Set attr "use_carry".
6502         (addqi3_carry): Likewise.
6503         (addhi3_carry): Likewise.
6504         (addsi3_carry): Likewise.
6505         (*addsi3_carry_zext): Likewise.
6506         (subdi3_carry_rex64): Likewise.
6507         (subqi3_carry): Likewise.
6508         (subhi3_carry): Likewise.
6509         (subsi3_carry): Likewise.
6510         (x86_movdicc_0_m1_rex64): Likewise.
6511         (*x86_movdicc_0_m1_se): Likewise.
6512         (x86_movsicc_0_m1): Likewise.
6513         (*x86_movsicc_0_m1_se): Likewise.
6514         (*adddi_1_rex64): Emit add insn as much as possible.
6515         (*addsi_1): Likewise.
6516         (return_internal): Set atom_unit.
6517         (return_internal_long): Likewise.
6518         (return_pop_internal): Likewise.
6519         (*rcpsf2_sse): Set atom_sse_attr attr.
6520         (*qrt<mode>2_sse): Likewise.
6521         (*prefetch_sse): Likewise.
6522
6523         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6524         PROCESSOR_ATOM.
6525         (ix86_target_macros_internal): Likewise.
6526
6527         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6528         (*prefetch_sse_rex): Likewise.
6529         (sse_rcpv4sf2): Likewise.
6530         (sse_vmrcpv4sf2): Likewise.
6531         (sse_sqrtv4sf2): Likewise.
6532         (<sse>_vmsqrt<mode>2): Likewise.
6533         (sse_ldmxcsr): Likewise.
6534         (sse_stmxcsr): Likewise.
6535         (*sse_sfence): Likewise.
6536         (sse2_clflush): Likewise.
6537         (*sse2_mfence): Likewise.
6538         (*sse2_lfence): Likewise.
6539         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6540         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6541         (avx_movdqu<avxmodesuffix>): Likewise.
6542         (avx_lddqu<avxmodesuffix>): Likewise.
6543         (sse2_movntv2di): Change attr "type" to "ssemov".
6544         (sse2_movntsi): Likewise.
6545         (rsqrtv8sf2): Change attr "type" to "sseadd".
6546         (sse3_addsubv2df3): Set attr "atom_unit".
6547         (sse3_h<plusminus_insn>v4sf3): Likewise.
6548         (*sse2_pmaddwd): Likewise.
6549         (*vec_extractv2di_1_rex64): Likewise.
6550         (*vec_extractv2di_1_avx): Likewise.
6551         (sse2_psadbw): Likewise.
6552         (ssse3_phaddwv8hi3): Likewise.
6553         (ssse3_phaddwv4hi3): Likewise.
6554         (ssse3_phadddv4si3): Likewise.
6555         (ssse3_phadddv2si3): Likewise.
6556         (ssse3_phaddswv8hi3): Likewise.
6557         (ssse3_phaddswv4hi3): Likewise.
6558         (ssse3_phsubwv8hi3): Likewise.
6559         (ssse3_phsubwv4hi3): Likewise.
6560         (ssse3_phsubdv4si3): Likewise.
6561         (ssse3_phsubdv2si3): Likewise.
6562         (ssse3_phsubswv8hi3): Likewise.
6563         (ssse3_phsubswv4hi3): Likewise.
6564         (ssse3_pmaddubsw128): Likewise.
6565         (sse3_pmaddubsw: Likewise.
6566         (ssse3_palignrti): Likewise.
6567         (ssse3_palignrdi): Likewise.
6568
6569 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6570
6571         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6572
6573 2009-04-06  Richard Guenther  <rguenther@suse.de>
6574
6575         PR tree-optimization/28868
6576         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6577         of which PHI results we inserted.
6578         (insert_into_preds_of_block): Record inserted PHIs.
6579         (eliminate): Eliminate redundant PHI nodes.
6580         (init_pre): Init inserted_phi_names.
6581
6582 2009-04-06  Richard Guenther  <rguenther@suse.de>
6583
6584         PR tree-optimization/39643
6585         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6586         IMAGPART_EXPRs of complex constants.
6587         (execute_fold_all_builtins): If we folded a call queue
6588         TODO_update_address_taken.
6589
6590 2009-04-06  Jan Hubicka  <jh@suse.cz>
6591
6592         PR middle-end/39659
6593         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6594         flag.
6595
6596 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6597
6598         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6599         delay slot.
6600         (ic_invalidate_array): Likewise.
6601
6602 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6603
6604         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6605         alignment for library calls.
6606
6607 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6608
6609         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6610         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6611         * config/i386/mingw-stdint.h:  New file.
6612
6613 2009-04-05  Richard Guenther  <rguenther@suse.de>
6614
6615         PR tree-optimization/39648
6616         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6617         our &A vs. &A[0] IL deficiencies.
6618
6619 2009-04-04  Jan Hubicka  <jh@suse.cz>
6620
6621         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6622         removed toplevel regions.
6623         (sjlj_mark_call_sites): Likewise.
6624
6625 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6626
6627         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6628         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6629         * config/i386/cygwin-stdint.h:  New file.
6630
6631 2009-04-04  Richard Guenther  <rguenther@suse.de>
6632
6633         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6634         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6635         single-argument PHIs if we are in loop-closed SSA form.
6636         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6637         for the pre-condition.
6638         (slpeel_tree_peel_loop_to_edge): Likewise.
6639         (vect_build_loop_niters): Take an optional sequence to append stmts.
6640         (vect_generate_tmps_on_preheader): Likewise.
6641         (vect_do_peeling_for_loop_bound): Take extra guards for the
6642         pre-condition.
6643         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6644         the cost model check.
6645         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6646         guards if we are going to peel.  Do not apply versioning in that case.
6647         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6648         (vect_do_peeling_for_loop_bound): Likewise.
6649         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6650         loop bound only record extra pre-conditions, do not apply loop
6651         versioning.
6652
6653 2009-04-04  Richard Guenther  <rguenther@suse.de>
6654
6655         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6656         renaming code.
6657
6658 2009-04-04  Jan Hubicka  <jh@suse.cz>
6659
6660         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6661         last_basic_block for size of bb->index indexed array.
6662         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6663         compute_out, link_btr_uses, build_btr_def_use_webs,
6664         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6665
6666 2009-04-04  Jan Hubicka  <jh@suse.cz>
6667
6668         * except.c (remove_eh_handler_and_replace): Break out from ...
6669         (remove_eh_handler): ... here.
6670         (bring_to_root): New function.
6671         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6672         handled ones, bring others to root of tree.
6673
6674 2009-04-04  Jan Hubicka  <jh@suse.cz>
6675
6676         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6677         (all_phis_safe_to_merge): New function.
6678         (update_info): New structure.
6679         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6680         (cleanup_empty_eh): Update SSA if possible.
6681
6682 2009-04-04  Richard Guenther  <rguenther@suse.de>
6683
6684         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6685         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6686         (append_vuse): Likewise.
6687
6688 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6689
6690         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6691         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6692         instead of REG_UNSAVED for DW_CFA_undefined.
6693         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6694         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6695         outermost frame.
6696
6697 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6698
6699         PR target/39501
6700         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6701         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6702         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6703
6704 2009-04-04  Richard Guenther  <rguenther@suse.de>
6705
6706         PR tree-optimization/8781
6707         PR tree-optimization/37892
6708         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6709         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6710         (valueize_refs): Call it for *& valueizations.
6711         (shared_reference_ops_from_ref): Rename to ...
6712         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6713         (shared_reference_ops_from_call): Rename to ...
6714         (valueize_shared_reference_ops_from_call): ... this and valueize.
6715         (vn_reference_lookup): Update.
6716         (visit_reference_op_call): Likewise.
6717         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6718         (eliminate): Value-replace the call address in call statements.
6719
6720 2009-04-04  Richard Guenther  <rguenther@suse.de>
6721
6722         PR tree-optimization/39636
6723         * tree-ssa-forwprop.c
6724         (forward_propagate_addr_into_variable_array_index): Check for
6725         GIMPLE_ASSIGN before accessing the rhs code.
6726
6727 2009-04-03  Jason Merrill  <jason@redhat.com>
6728
6729         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6730
6731 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6732
6733         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6734         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6735         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6736         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6737         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6738         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6739         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6740         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6741         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6742         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6743         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6744         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6745         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6746         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6747         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6748         Use fr_reg_or_fp01_operand instead of fr_register_operand
6749
6750         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6751         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6752         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6753
6754 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6755
6756         PR rtl-optimization/39607
6757         PR rtl-optimization/39631
6758
6759         Revert:
6760
6761         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6762         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6763         instead of DF_LR_OUT.
6764         * ira-lives.c (process_bb_node_lives): Ditto.
6765         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6766         instead of DF_LR_{OUT,IN}.
6767         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6768         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6769
6770 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6771
6772         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6773         (execute_lower_omp): Always run but take the short way out if -fopenmp
6774         is not given.
6775         (gate_lower_omp): Remove, forcing the pass manager to always run the
6776         pass and always set PROP_gimple_lomp.
6777         (pass_lower_omp): Remove gate function.
6778         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6779         PROP_trees.  Instead, require it.
6780         * ipa-cp.c (pass_ipa_cp): Likewise.
6781         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6782         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6783         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6784         and PROP_gimple_leh.
6785
6786 2009-04-03  Richard Guenther  <rguenther@suse.de>
6787
6788         PR middle-end/13146
6789         PR tree-optimization/23940
6790         PR tree-optimization/33237
6791         PR middle-end/33974
6792         PR middle-end/34093
6793         PR tree-optimization/36201
6794         PR tree-optimization/36230
6795         PR tree-optimization/38049
6796         PR tree-optimization/38207
6797         PR tree-optimization/38230
6798         PR tree-optimization/38301
6799         PR tree-optimization/38585
6800         PR middle-end/38895
6801         PR tree-optimization/38985
6802         PR tree-optimization/39299
6803         * tree-ssa-structalias.h: Remove.
6804         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6805         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6806         (struct vuse_element_d): Remove.
6807         (struct vuse_vec_d): Likewise.
6808         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6809         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6810         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6811         VUSE_ELEMENT_VAR): Likewise.
6812         (struct voptype_d): Likewise.
6813         (NUM_VOP_FREE_BUCKETS): Likewise.
6814         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6815         (struct stmt_operands_d): Remove.
6816         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6817         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6818         VDEF_NUM, VDEF_VECT): Likewise.
6819         (copy_virtual_operands): Remove.
6820         (operand_build_cmp): Likewise.
6821         (create_ssa_artificial_load_stmt): Likewise.
6822         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6823         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6824         vuse_index and mayuse_index members.  Pack and move done and iter_type
6825         members to the front.
6826         (SSA_OP_VMAYUSE): Remove.
6827         (SSA_OP_VIRTUAL_USES): Adjust.
6828         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6829         (unlink_stmt_vdef): Declare.
6830         (add_to_addressable_set): Remove.
6831         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6832         (vrp_visit_stmt): Likewise.
6833         * doc/tree-ssa.texi (Alias analysis): Update.
6834         * doc/invoke.texi (max-aliased-vops): Remove docs.
6835         (avg-aliased-vops): Likewise.
6836         * tree-into-ssa.c (syms_to_rename): Remove.
6837         (need_to_update_vops_p): Likewise.
6838         (need_to_initialize_update_ssa_p): Rename to ...
6839         (update_ssa_initialized_fn): ... this.  Track function we are
6840         initialized for.
6841         (symbol_marked_for_renaming): Simplify.
6842         (add_new_name_mapping): Do not set need_to_update_vops_p.
6843         (dump_currdefs): Use SYMS_TO_RENAME.
6844         (rewrite_update_stmt): Always walk all uses/defs.
6845         (dump_update_ssa): Adjust.
6846         (init_update_ssa): Take function argument.  Track what we are
6847         initialized for.
6848         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6849         (create_new_def_for): Initialize for cfun, assert we are initialized
6850         for cfun.
6851         (mark_sym_for_renaming): Simplify.
6852         (mark_set_for_renaming): Do not initialize update-ssa.
6853         (need_ssa_update_p): Simplify.  Take function argument.
6854         (name_mappings_registered_p): Assert we ask for the correct function.
6855         (name_registered_for_update_p): Likewise.
6856         (ssa_names_to_replace): Likewise.
6857         (release_ssa_name_after_update_ssa): Likewise.
6858         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6859         (dump_decl_set): Do not print a newline.
6860         (debug_decl_set): Do it here.
6861         (dump_update_ssa): And here.
6862         * tree-ssa-loop-im.c (move_computations): Adjust.
6863         (movement_possibility): Likewise.
6864         (determine_max_movement): Likewise.
6865         (gather_mem_refs_stmt): Likewise.
6866         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6867         or NAME_MEMORY_TAG.
6868         * tree-complex.c (update_all_vops): Remove.
6869         (expand_complex_move): Adjust.
6870         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6871         Simplify test for memory referencing statement.  Exclude
6872         non-invariant ADDR_EXPRs.
6873         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6874         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6875         (rdg_flag_uses): Likewise.
6876         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6877         related code.
6878         (tree_optimize_tail_calls_1): Also split the
6879         edge from the entry block if we have degenerate PHI nodes in
6880         the first basic block.
6881         * tree.c (init_ttree): Remove memory-tag related code.
6882         (tree_code_size): Likewise.
6883         (tree_node_structure): Likewise.
6884         (build7_stat): Re-write to be build6_stat.
6885         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6886         (SSA_VAR_P): Adjust.
6887         (struct tree_memory_tag): Remove.
6888         (struct tree_memory_partition_tag): Likewise.
6889         (union tree_node): Adjust.
6890         (build7): Re-write to be build6.
6891         * tree-pass.h (pass_reset_cc_flags): Remove.
6892         (TODO_update_address_taken): New flag.
6893         (pass_simple_dse): Remove.
6894         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6895         * params.h (MAX_ALIASED_VOPS): Remove.
6896         (AVG_ALIASED_VOPS): Likewise.
6897         * omp-low.c (expand_omp_taskreg): Update SSA form.
6898         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6899         aliases the lhs in a copy stmt.
6900         * tree-ssa-dse.c (struct address_walk_data): Remove.
6901         (memory_ssa_name_same): Likewise.
6902         (memory_address_same): Likewise.
6903         (get_kill_of_stmt_lhs): Likewise.
6904         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6905         unused stores.  Look through PHI nodes into post-dominated regions.
6906         (dse_optimize_stmt): Simplify.  Properly remove stores.
6907         (tree_ssa_dse): Compute dominators.
6908         (execute_simple_dse): Remove.
6909         (pass_simple_dse): Likewise.
6910         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6911         gimple_loaded_syms and gimple_stored_syms computation.
6912         * toplev.c (dump_memory_report): Dump alias and pta stats.
6913         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6914         (vn_reference_eq): Likewise.
6915         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6916         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6917         valueize_vuses): Remove.
6918         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6919         (get_def_ref_stmt_vuse): ... this.
6920         (vn_reference_lookup_2): New function.
6921         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6922         walking equivalent vuses.  Simplify.
6923         (vn_reference_lookup): Likewise.
6924         (vn_reference_insert): Likewise.
6925         (vn_reference_insert_pieces): Likewise.
6926         (visit_reference_op_call): Simplify.
6927         (visit_reference_op_load): Likewise.
6928         (visit_reference_op_store): Likewise.
6929         (init_scc_vn): Remove shared_lookup_vuses initialization.
6930         (free_scc_vn): Remove shared_lookup_vuses freeing.
6931         (sort_vuses, sort_vuses_heap): Remove.
6932         (get_ref_from_reference_ops): Export.
6933         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6934         vector with single vuse pointer.
6935         (vn_reference_lookup_pieces, vn_reference_lookup,
6936         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6937         (shared_vuses_from_stmt): Remove.
6938         (get_ref_from_reference_ops): Declare.
6939         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6940         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6941         memory-tag related code.
6942         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6943         (likely_value): Add comment, skip static-chain of call statements.
6944         (surely_varying_stmt_p): Adjust.
6945         (gimplify_and_update_call_from_tree): Likewise.
6946         (execute_fold_all_builtins): Do not rebuild alias info.
6947         (gimplify_and_update_call_from_tree): Properly update VOPs.
6948         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6949         (copy_ref_info): Remove memory-tag related code.
6950         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6951         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6952         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6953         computation.
6954         * tree-ssa-dom.c (gimple_p): Remove typedef.
6955         (eliminate_redundant_computations): Adjust.
6956         (record_equivalences_from_stmt): Likewise.
6957         (avail_expr_hash): Likewise.
6958         (avail_expr_eq): Likewise.
6959         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6960         (stmt_makes_single_load): Likewise.
6961         (stmt_makes_single_store): Likewise.
6962         * tree-ssa-alias.c: Rewrite completely.
6963         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6964         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6965         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6966         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6967         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6968         Remove public functions.
6969         (pass_reset_cc_flags): Remove.
6970         (pass_build_alias): Move ...
6971         * tree-ssa-structalias.c (pass_build_alias): ... here.
6972         * tree-ssa-alias.c (may_be_aliased): Move ...
6973         * tree-flow-inline.h (may_be_aliased): ... here.
6974         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6975         count_uses_and_derefs): Move ...
6976         * gimple.c: ... here.
6977         * gimple.h (count_uses_and_derefs): Declare.
6978         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6979         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6980         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6981         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6982         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6983         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6984         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6985         New functions.
6986         * tree-dfa.c (refs_may_alias_p): Move ...
6987         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6988         * tree-ssa-alias.h: New file.
6989         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6990         (statement_sink_location): Likewise.
6991         * opts.c (decode_options): Do not adjust max-aliased-vops or
6992         avg-aliased-vops values.
6993         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6994         (TV_CALL_CLOBBER): Likewise.
6995         (TV_FLOW_SENSITIVE): Likewise.
6996         (TV_FLOW_INSENSITIVE): Likewise.
6997         (TV_MEMORY_PARTITIONING): Likewise.
6998         (TV_ALIAS_STMT_WALK): New timevar.
6999         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7000         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7001         (get_address_description): Remove memory-tag related code.
7002         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
7003         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
7004         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
7005         and immediate uses in statements.  Document.
7006         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
7007         (dump_symbols): Remove.
7008         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
7009         * alias.c (get_deref_alias_set): New function split out from ...
7010         (get_alias_set): ... here.
7011         * alias.h (get_deref_alias_set): Declare.
7012         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7013         type parameter.  Remove restrict pointer handling.  Create a
7014         ref-all pointer in case type-based alias sets do not conflict.
7015         (vect_analyze_data_refs): Remove SMT related code.
7016         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7017         (vectorizable_load): Likewise.
7018         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7019         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7020         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7021         Ignore vops and SMTs.
7022         (dr_analyze_alias): Likewise..
7023         (free_data_ref): Likewise.
7024         (create_data_ref): Likewise.
7025         (analyze_all_data_dependences): Likewise.
7026         (get_references_in_stmt): Adjust.
7027         * tree-flow-inline.h (gimple_aliases_computed_p,
7028         gimple_addressable_vars, gimple_call_clobbered_vars,
7029         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7030         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7031         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7032         gimple_mem_ref_stats): Remove.
7033         (gimple_vop): New function.
7034         (op_iter_next_use): Remove vuses and mayuses cases.
7035         (op_iter_next_def): Remove vdefs case.
7036         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7037         (clear_and_done_ssa_iter): Do not set removed fields.
7038         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7039         Assert we are not iterating over vuses or vdefs if not also
7040         iterating over uses or defs.
7041         (op_iter_init_use): Likewise.
7042         (op_iter_init_def): Likewise.
7043         (op_iter_next_vdef): Remove.
7044         (op_iter_next_mustdef): Likewise.
7045         (op_iter_init_vdef): Likewise.
7046         (compare_ssa_operands_equal): Likewise.
7047         (link_use_stmts_after): Handle vuse operand.
7048         (is_call_used): Use is_call_clobbered.
7049         (is_call_clobbered): Global variables are always call clobbered,
7050         query the call-clobbers bitmap.
7051         (mark_call_clobbered): Ignore global variables.
7052         (clear_call_clobbered): Likewise.
7053         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7054         virtual operands sanity check.
7055         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7056         Remove.
7057         (TARGET_MEM_REF): Remove TMR_TAG operand.
7058         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7059         Remove call-clobber related code.
7060         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7061         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7062         partitions or escape reason.
7063         (get_single_def_stmt, get_single_def_stmt_from_phi,
7064         get_single_def_stmt_with_phi): Remove.
7065         (dump_referenced_vars): Tidy.
7066         (get_ref_base_and_extent): Allow bare decls.
7067         (collect_dfa_stats): Adjust.
7068         * graphite.c (rename_variables_in_stmt): Adjust.
7069         (graphite_copy_stmts_from_block): Likewise.
7070         (translate_clast): Likewise.
7071         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7072         (EXPR_DIES): New.
7073         (translate_vuse_through_block): Use the oracle.
7074         (phi_translate_1): Adjust.
7075         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7076         in EXPR_DIES.
7077         (valid_in_sets): Check if the VUSE for
7078         a REFERENCE is available.
7079         (eliminate): Do not remove stmts during elimination,
7080         instead queue and remove them afterwards.
7081         (do_pre): Do not rebuild alias info.
7082         (pass_pre): Run TODO_rebuild_alias before PRE.
7083         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7084         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7085         (mark_all_v_defs_stmt): Remove.
7086         (mark_all_v_defs_seq): Adjust.
7087         (sra_replace): Likewise.
7088         (scalarize_use): Likewise.
7089         (scalarize_copy): Likewise.
7090         (scalarize_init): Likewise.
7091         (scalarize_ldst): Likewise.
7092         (todoflags): Remove.
7093         (tree_sra): Do not rebuild alias info.
7094         (tree_sra_early): Adjust.
7095         (pass_sra): Run TODO_update_address_taken before SRA.
7096         * tree-predcom.c (set_alias_info): Remove.
7097         (prepare_initializers_chain): Do not call it.
7098         (mark_virtual_ops_for_renaming): Adjust.
7099         (mark_virtual_ops_for_renaming_list): Remove.
7100         (initialize_root_vars): Adjust.
7101         (initialize_root_vars_lm): Likewise.
7102         (prepare_initializers_chain): Likewise.
7103         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7104         (may_propagate_copy_into_stmt): Likewise.
7105         (merge_alias_info): Do nothing for now.
7106         (propagate_tree_value_into_stmt): Adjust.
7107         (stmt_may_generate_copy): Likewise.
7108         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7109         not mark symbols for renaming.
7110         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7111         with the same statement, make sure to update the new pointed-to one.
7112         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7113         call statements, do not mark symbols for renaming.
7114         (mark_operand_necessary): Dump something.
7115         (ref_may_be_aliased): New function.
7116         (mark_aliased_reaching_defs_necessary_1): New helper function.
7117         (mark_aliased_reaching_defs_necessary): Likewise.
7118         (mark_all_reaching_defs_necessary_1): Likewise.
7119         (mark_all_reaching_defs_necessary): Likewise.
7120         (propagate_necessity): Do not process virtual PHIs.  For
7121         non-aliased loads mark all reaching definitions as necessary.
7122         For aliased loads and stores mark the immediate dominating
7123         aliased clobbers as necessary.
7124         (visited): New global static.
7125         (perform_tree_ssa_dce): Free visited bitmap after propagating
7126         necessity.
7127         (remove_dead_phis): Perform simple dead virtual PHI removal.
7128         (remove_dead_stmt): Properly unlink virtual operands when
7129         removing stores.
7130         (eliminate_unnecessary_stmts): Schedule PHI removal after
7131         stmt removal.
7132         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7133         (process_replaceable): Likewise.
7134         (find_replaceable_in_bb): Likewise.
7135         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7136         based on the single gimple vop.
7137         (verify_flow_insensitive_alias_info): Remove.
7138         (verify_flow_sensitive_alias_info): Likewise.
7139         (verify_call_clobbering): Likewise.
7140         (verify_memory_partitions): Likewise.
7141         (verify_alias_info): Likewise.
7142         (verify_ssa): Adjust..
7143         (execute_update_addresses_taken): Export.  Update SSA
7144         manually.  Optimize only when optimizing.  Use a local bitmap.
7145         (pass_update_address_taken): Remove TODO_update_ssa, add
7146         TODO_dump_func.
7147         (pass_update_address_taken): Just use TODO_update_address_taken.
7148         (init_tree_ssa): Do not initialize addressable_vars.
7149         (verify_ssa): Verify new VUSE / VDEF properties.
7150         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7151         Do not call verify_alias_info.
7152         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7153         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7154         and callused solutions.  Do not free addressable_vars.
7155         Remove memory-tag related code.
7156         (warn_uninitialized_var): Aliases are always available.
7157         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7158         * lambda-code.c (can_put_in_inner_loop): Adjust.
7159         (can_put_after_inner_loop): Likewise.
7160         (perfect_nestify): Likewise.
7161         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7162         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7163         (vectorizable_conversion): Do not mark symbols for renaming.
7164         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7165         (expand_call_inline): Unlink the calls virtual operands before
7166         replacing it.
7167         (tree_function_versioning): Do not call update_ssa if we are not
7168         updating clones.  Simplify.
7169         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7170         (propagate_with_phi): Likewise..
7171         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7172         clobber code.  Assert we are not aliased or global.
7173         * tree-flow.h: Include tree-ssa-alias.h
7174         (enum escape_type): Remove.
7175         (struct mem_sym_stats_d): Likewise.
7176         (struct mem_ref_stats_d): Likewise.
7177         (struct gimple_df): Add vop member.  Remove global_var,
7178         call_clobbered_vars, call_used_vars, addressable_vars,
7179         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7180         escaped and callused members.
7181         (struct ptr_info_def): Remove all members, add points-to solution
7182         member pt.
7183         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7184         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7185         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7186         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7187         (tree-ssa-alias.o): Likewise.
7188         (toplev.o): Add tree-ssa-alias.h
7189         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7190         * gimple.c (gimple_set_bb): Fix off-by-one error.
7191         (is_gimple_reg): Do not handle memory tags.
7192         (gimple_copy): Also copy virtual operands.
7193         Delay updating the statement.  Do not reset loaded and stored syms.
7194         (gimple_set_stored_syms): Remove.
7195         (gimple_set_loaded_syms): Likewise.
7196         (gimple_call_copy_skip_args): Copy the virtual operands
7197         and mark the new statement modified.
7198         * tree-ssa-structalias.c (may_alias_p): Remove.
7199         (set_uids_in_ptset): Take the alias set to prune with as
7200         parameter.  Fold in the alias test of may_alias_p.
7201         (compute_points_to_sets): Compute whether a ptr is dereferenced
7202         in a local sbitmap.
7203         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7204         other ADDRESSOF constraints on the lhs.
7205         (get_constraint_for_component_ref): Assert that we don't get
7206         ADDRESSOF constraints from the base of the reference.
7207         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7208         (struct variable_info): Remove collapsed_to member.
7209         (get_varinfo_fc): Remove.
7210         (new_var_info): Do not set collapsed_to.
7211         (dump_constraint): Do not follow cycles.
7212         (dump_constraint_graph): Likewise.
7213         (build_pred_graph): Likewise.
7214         (build_succ_graph): Likewise.
7215         (rewrite_constraints): Likewise.
7216         (do_simple_structure_copy): Remove.
7217         (do_rhs_deref_structure_copy): Remove.
7218         (do_lhs_deref_structure_copy): Remove.
7219         (collapse_rest_of_var): Remove.
7220         (do_structure_copy): Re-implement.
7221         (pta_stats): New global variable.
7222         (dump_pta_stats): New function.
7223         (struct constraint_expr): Make offset signed.
7224         (UNKNOWN_OFFSET): Define special value.
7225         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7226         (solution_set_expand): New helper function split out from ...
7227         (do_sd_constraint): ... here.
7228         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7229         (do_ds_constraint): Likewise.
7230         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7231         and CALLUSED = *CALLUSED.
7232         (set_union_with_increment): Make inc argument signed.
7233         (type_safe): Remove.
7234         (get_constraint_for_ptr_offset): Handle unknown and negative
7235         constant offsets.
7236         (first_vi_for_offset): Handle offsets before start.  Bail
7237         out early for offsets beyond the variable extent.
7238         (first_or_preceding_vi_for_offset): New function.
7239         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7240         Together with ESCAPED = *ESCAPED this properly computes reachability.
7241         (find_what_var_points_to): New function.
7242         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7243         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7244         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7245         pt_solutions_intersect): New functions.
7246         (compute_call_used_vars): Remove.
7247         (compute_may_aliases): New main entry into PTA computation.
7248         * gimple.h (gimple_p): New typedef.
7249         (struct gimple_statement_base): Remove references_memory_p.
7250         (struct gimple_statement_with_memory_ops_base): Remove
7251         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7252         members.
7253         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7254         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7255         gimple_set_references_memory): Remove.
7256         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7257         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7258         New functions.
7259         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7260         (verify_expr): Allow RESULT_DECL.
7261         (gimple_duplicate_bb): Do not copy virtual operands.
7262         (gimple_duplicate_sese_region): Adjust.
7263         (gimple_duplicate_sese_tail): Likewise.
7264         (mark_virtual_ops_in_region): Remove.
7265         (move_sese_region_to_fn): Do not call it.
7266         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7267         and pass_simple_dse.
7268         (execute_function_todo): Handle TODO_update_address_taken,
7269         call execute_update_addresses_taken for TODO_rebuild_alias.
7270         (execute_todo): Adjust.
7271         (execute_one_pass): Init dump files early.
7272         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7273         call-clobbered.
7274         (create_general_new_stmt): Clear vops.
7275         * tree-ssa-reassoc.c (get_rank): Adjust.
7276         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7277         symbols for renaming.
7278         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7279         (PARAM_AVG_ALIASED_VOPS): Likewise.
7280         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7281         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7282         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7283         (operand_build_cmp, copy_virtual_operands,
7284         create_ssa_artificial_load_stmt, add_to_addressable_set,
7285         gimple_add_to_addresses_taken): Remove public functions.
7286         (unlink_stmt_vdef): New function.
7287
7288 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7289
7290         * config.gcc (powerpc-*-linux*): Merge variants.
7291
7292 2009-04-02  Chao-ying Fu  <fu@mips.com>
7293             James Grosbach  <james.grosbach@microchip.com>
7294
7295         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7296         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7297         cop0_sp_offset.
7298         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7299         keep_interrupts_masked_p, use_debug_exception_return_p.
7300         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7301         keep_interrupts_masked, use_debug_exception_return.
7302         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7303         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7304         New functions.
7305         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7306         (mips_print_operand): Process COP0 registers to print $0 .. $31
7307         correctly for GAS to process.
7308         (mips_interrupt_extra_call_saved_reg_p): New function.
7309         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7310         extra registers.
7311         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7312         (mips_compute_frame_info): Add supports for interrupt context that
7313         includes doubleword accumulators and COP0 registers.
7314         (mips_for_each_saved_acc): New function.
7315         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7316         mips_for_each_saved_reg.
7317         (mips_save_reg): Save accumulators.
7318         (mips_kernel_reg_p): A new for_each_rtx callback.
7319         (mips_expand_prologue): Support interrupt handlers.
7320         (mips_restore_reg): Restore accumulators.
7321         (mips_expand_epilogue): Support interrupt handlers.
7322         (mips_can_use_return_insn): Return false for interrupt handlers.
7323         (mips_epilogue_uses): New function.
7324         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7325         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7326         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7327         cop0_move): New instructions.
7328         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7329         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7330         defines.
7331         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7332         New defines.
7333         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7334         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7335         interrupt handlers, we use K0 as the temporary register.
7336         (EPILOGUE_USES): Change to a function call.
7337         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7338         handlers, we use K0 as the temporary register.
7339
7340         * doc/extend.texi (Function Attributes): Document interrupt,
7341         use_shadow_register_set, keep_interrupts_masked,
7342         use_debug_exception_return for MIPS attributes.
7343
7344 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7345
7346         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7347         Remove a number of t-files from tmake_file.
7348         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7349         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7350         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7351         target_prototype, not TARGET_PROTOTYPE.
7352         (LINK_OS_GNU_SPEC): Define.
7353         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7354         and darwin-ldoubdle.c.
7355
7356 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7357
7358         PR driver/39293
7359         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7360         (cpp_options): Ditto.
7361         (default_compilers): Ditto.
7362         (display_help): Ditto.
7363         (process_command): Ditto.
7364         (do_spec_1): Ditto.
7365         (set_input): Use lbasename instead of duplicate code.
7366         (save_temps_prefix): New static for -save-temps=obj.
7367         (save_temps_length): Ditto.
7368
7369         * doc/invoke.texi (-save-temps=obj): Document new variant to
7370         -save-temps switch.
7371
7372 2009-04-02  Jeff Law  <law@redhat.com>
7373
7374         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7375         variable.
7376
7377 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7378
7379         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7380         * configure: Regenerated.
7381
7382 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7383
7384         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7385         share the argument list.
7386
7387 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7388
7389         Merge
7390
7391         2009-02-12  Diego Novillo  <dnovillo@google.com>
7392
7393         * varpool.c (debug_varpool): New.
7394         * cgraph.h (debug_varpool): Declare.
7395
7396 2009-04-02  Jan Hubicka  <jh@suse.cz>
7397
7398         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7399         pass.
7400
7401 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7402
7403         * config/i386/i386.c (ix86_abi): Move initialization to ...
7404         (override_options): Here.
7405
7406 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7407
7408         * config/sh/sh.c (sh_dwarf_register_span): New function.
7409         (TARGET_DWARF_REGISTER_SPAN): Define.
7410         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7411
7412 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7413
7414         PR tree-optimization/39595
7415         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7416         interleaved loads group is not  greater than the SLP group size.
7417
7418 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7419
7420         * builtins.c (is_builtin_name): New.
7421         (called_as_built_in): Use is_builtin_name.
7422         * tree.h (is_builtin_name): New.
7423         * varasm.c (incorporeal_function_p): Use is_builtin_name
7424
7425 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7426
7427         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7428
7429 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7430
7431         PR c++/26693
7432         * c-decl.c (clone_underlying_type): Move this ...
7433         * c-common.c (set_underlying_type): ... here.
7434         Also, make sure the function properly sets TYPE_STUB_DECL() on
7435         the newly created typedef variant type.
7436         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7437         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7438         points.
7439
7440 2009-04-02  Richard Guenther  <rguenther@suse.de>
7441
7442         PR tree-optimization/37221
7443         * tree-flow.h (degenerate_phi_result): Declare.
7444         * tree-ssa-dom.c (degenerate_phi_result): Export.
7445         * tree-scalar-evolution.c (analyze_initial_condition): If
7446         the initial condition is defined by a degenerate PHI node
7447         use the degenerate value.
7448
7449 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7450
7451         PR rtl-optimization/39588
7452         * combine.c (merge_outer_ops): Do not set the constant when this
7453         is not necessary.
7454         (simplify_shift_const_1): Do not modify it either in this case.
7455
7456 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7457
7458         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7459         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7460
7461 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7462
7463         PR c/29027
7464         * c-lex.c (interpret_float): Default (no suffix) is double.
7465
7466 2009-04-1  Xinliang David Li  <davidxl@google.com>
7467
7468         * config/i386/i386.c (legitimate_constant_p): Recognize
7469         all one vector constant.
7470
7471 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7472
7473         * config/vax/vax.c: Add #includes to silence warnings.
7474         Change #include order to silence two warnings.
7475
7476 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7477
7478         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7479         (ASM_SPEC): Pass -k to the assembler for PIC code.
7480
7481 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7482
7483         * config.gcc: Add vax-*-linux* to the switch.
7484         * config/vax/linux.h: New file. (TARGET_VERSION,
7485         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7486
7487 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7488
7489         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7490         Use predicate macros instead of GET_CODE() == foo.
7491         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7492         ashlsi3, rotrsi3, <unnamed>): Likewise.
7493
7494 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7495
7496         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7497         jbbccihi, jbbccisi): Remova trailing whitespace.
7498         * config/vax/constraints.md: Likewise.
7499         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7500         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7501         * config/vax/predicates.md: Likewise.
7502         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7503         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7504         * config/vax/vax.h: Likewise.
7505         * config/vax/vax.md (nonlocal_goto): Likewise.
7506
7507 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7508
7509         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7510         (indirectable_address_p, adjacent_operands_p): Add spaces around
7511         braces.
7512         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7513
7514 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7515
7516         * config/vax/vax.c (legitimate_constant_address_p,
7517         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7518         index_term_p, reg_plus_index_p, legitimate_address_p,
7519         vax_mode_dependent_address_p): Update comments to match functions
7520         modified by the recent int->bool conversion.
7521
7522 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7523
7524         * config/vax/builtins.md: Update copyright message.
7525         * config/vax/constraints.md: Likewise.
7526         * config/vax/netbsd-elf.h: Likewise.
7527         * config/vax/predicates.md: Likewise.
7528         * config/vax/vax-protos.h: Likewise.
7529         * config/vax/vax.c: Likewise.
7530         * config/vax/vax.h: Likewise.
7531         * config/vax/vax.md: Likewise.
7532         * config/vax/vax.opt: Likewise.
7533
7534 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7535
7536         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7537         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7538         * config/vax/constraints.md (B, R): Likewise.
7539         * config/vax/predicates.md (external_memory_operand,
7540         nonimmediate_addsub_di_operand): Likewise.
7541         * config/vax/vax.c (vax_output_int_add): Likewise.
7542         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7543         untyped_call): Likewise.
7544
7545 2009-04-01  Matt Thomas  <matt@3am-software.com>
7546
7547         * config/vax/predicates.md: New file.
7548         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7549         external_const_operand, nonsymbolic_operand, external_memory_operand,
7550         indirect_memory_operand, indexed_memory_operand,
7551         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7552         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7553         predicate.
7554         * config/vax/constraints.md: New file.
7555         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7556         New constraint.
7557         * config/vax/builtins.md: New file.
7558         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7559         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7560         jbbccisi): Define.
7561         * config/vax/vax.opt (mqmath): Add option.
7562         * config/vax/vax.md (isfx): Extend with DI.
7563         (VAXintQH, VAXintQHSD): Define.
7564         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7565         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7566         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7567         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7568         (movdi): Update constraints and use vax_output_int_move().
7569         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7570         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7571         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7572         nonlocal_goto): New.
7573         (mov<mode>): Extend accepted operand types.
7574         (subdi3_old): Rename from subdi3, change update constraints and use
7575         a new implementation.
7576         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7577         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7578         MOVE_RATIO, CLEAR_RATIO): Define.
7579         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7580         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7581         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7582         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7583         (split_quadword_operands): Make static and really allow variable
7584         splitting.
7585         (print_operand_address): Update for PIC generation.
7586         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7587         indexable_address_p, fixup_mathdi_operand,
7588         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7589         (vax_float_literal, legitimate_constant_p,
7590         indirectable_constant_address_p, index_term_p,
7591         reg_plus_index_p): Return bool instead of int.
7592         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7593         where needed.
7594         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7595         generation.
7596         (vax_output_conditional_branch): Indent.
7597         (legitimate_constant_address_p, indirectable_constant_address_p,
7598         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7599         vax_mode_dependent_address_p): Return bool instead of int, update for
7600         PIC generation.
7601         * config/vax/vax-protos.h (legitimate_constant_address_p,
7602         legitimate_constant_p, legitimate_address_p,
7603         vax_mode_dependent_address_p): Change declaration to bool.
7604         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7605         vax_expand_addsub_di_operands, vax_output_int_subtract,
7606         vax_output_movmemsi): Declare.
7607         (split_quadword_operands, vax_float_literal): Delete declaration.
7608         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7609         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7610         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7611         ASM_OUTPUT_DWARF_PCREL): Define.
7612         (ASM_SPEC): Change definition to allow PIC generation.
7613
7614 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7615
7616         * doc/sourcebuild.texi: Update front-end requirements.
7617
7618 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7619
7620         PR target/39226
7621         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7622         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7623         (booldi3_internal3): Use boolean_or_operator instead of
7624         boolean_operator.
7625
7626 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7627
7628         PR c/39605
7629         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7630         declarator whose size is not an integer constant expression but
7631         folds to an integer constant, then treat it as a constant
7632         subsequently.
7633
7634 2009-04-01  Richard Guenther  <rguenther@suse.de>
7635
7636         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7637         i * 4 + 2 to (i * 2 + 1) * 2.
7638
7639 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7640
7641         PR c/37772
7642         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7643         return if c_parser_asm_string_literal returned NULL.
7644
7645 2009-04-01  Nick Clifton  <nickc@redhat.com>
7646
7647         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7648         already defined.
7649         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7650         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7651         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7652         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7653         include it.
7654         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7655         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7656         then include it.
7657
7658 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7659
7660         * varasm.c (default_function_rodata_section): Declare DOT as
7661         const char*.
7662
7663 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7664             Andrey Galkin  <agalkin@hypercom.com>
7665
7666         PR/39492
7667         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7668         Make object_name unique for each process.
7669
7670 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7671
7672         PR other/39591
7673         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7674         addressable variables in the parallel that could go out of scope while
7675         running queued tasks.
7676
7677 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7678
7679         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7680         (CASE_VALUES_THRESHOLD): Redefine.
7681         * config/avr/avr.c (avr_override_options): Remove initialization of
7682         avr_case_values_threshold variable.
7683         (avr_case_values_threshold): Remove variable. Add new function.
7684         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7685         * config/avr/avr.opt (mno-tablejump): Remove option.
7686         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7687
7688 2009-04-01  DJ Delorie  <dj@redhat.com>
7689
7690         * varasm.c (default_function_rodata_section): Don't assume
7691         anything about where the first '.' in the section name is.
7692
7693 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7694
7695         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7696         rs6000_emit_stack_tie.
7697
7698 2009-03-31  Ian Lance Taylor  <iant@google.com>
7699
7700         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7701         gimple_code with GIMPLE_RESX, not RESX.
7702
7703 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7704
7705         * c-common.c (c_get_ident): New.
7706         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7707
7708 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7709
7710         * config/rs6000/sysv4.opt (msdata): Improve option description.
7711
7712 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7713
7714         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7715         (divdf3_internal_lat): Remove.
7716         (divxf3_internal_lat): Remove.
7717         (divxf3_internal_thr): Remove.
7718         (divxf): Use divxf3_internal.
7719         * config/ia64/div.md (divsf3_internal_lat): New.
7720         (divdf3_internal_lat): New.
7721         (divxf3_internal): New.
7722
7723 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7724
7725         PR c/448
7726         * Makefile.in (USE_GCC_STDINT): Define.
7727         (stmp-int-hdrs): Install stdint.h if applicable.
7728         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7729         if known.
7730         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7731         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7732         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7733         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7734         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7735         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7736         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7737         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7738         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7739         (c_common_nodes_and_builtins): Initialize
7740         underlying_wchar_type_node.  Do not initialize
7741         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7742         nodes for new types.
7743         (c_stddef_cpp_builtins): Define macros for new types.
7744         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7745         Remove.
7746         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7747         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7748         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7749         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7750         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7751         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7752         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7753         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7754         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7755         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7756         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7757         int16_type_node, int32_type_node, int64_type_node,
7758         uint8_type_node, uint16_type_node, c_uint32_type_node,
7759         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7760         int_least32_type_node, int_least64_type_node,
7761         uint_least8_type_node, uint_least16_type_node,
7762         uint_least32_type_node, uint_least64_type_node,
7763         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7764         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7765         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7766         uintptr_type_node): Define.
7767         * c-cppbuiltin.c (builtin_define_constants,
7768         builtin_define_type_minmax): New.
7769         (builtin_define_stdint_macros): Define more macros.
7770         (c_cpp_builtins): Define more limit macros.
7771         (type_suffix): New.
7772         (builtin_define_type_max): Define in terms of
7773         builtin_define_type_minmax.  Remove is_long parameter.  All
7774         callers changed.
7775         * config.gcc (use_gcc_stdint): Define.
7776         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7777         Add newlib-stdint.h for generic targets.
7778         * config/glibc-stdint.h, config/newlib-stdint.h,
7779         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7780         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7781         * config/score/score.h (UINTPTR_TYPE): Define.
7782         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7783         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7784         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7785         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7786         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7787         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7788         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7789         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7790         * config/spu/spu.h (STDINT_LONG32): Define.
7791         * configure.ac (use_gcc_stdint): Substitute.
7792         * configure: Regenerate.
7793         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7794         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7795         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7796         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7797         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7798         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7799         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7800         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7801         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7802         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7803         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7804         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7805         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7806         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7807         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7808         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7809         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7810         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7811         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7812         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7813         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7814         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7815         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7816         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7817         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7818         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7819         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7820         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7821         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7822
7823 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7824
7825         * loop-iv.c (suitable_set_for_replacement): Renamed from
7826         simplify_using_assignment; changed to return bool and to accept new
7827         args DEST and SRC.  Return true iff we find a source/destination pair
7828         that can be used to make a replacement, and fill SRC and DEST if so.
7829         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7830         changed.
7831         (simplify_using_initial_values): Deal with altered regs here and track
7832         more precisely the effect they have on the validity of our expression.
7833
7834         * loop-iv.c (simplify_using_condition): A condition of the form
7835         (EQ REG CONST) can be used to simply make a substitution.
7836         (simplify_using_initial_values): Keep track of conditions we have seen
7837         and keep using them to simplify new expressions, while applying the
7838         same substitutions to them as to the expression.
7839
7840         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7841         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7842         GEU/LTU reversed.
7843
7844         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7845         changed.  Use this when trying to improve the upper bound.
7846         Generate the comparison by using simplify_gen_relational.
7847
7848         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7849
7850         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7851         functions.
7852         (simplify_using_assignment, simplify_using_initial_values): Call
7853         replace_in_expr to make replacements.  Call replace_single_def_regs
7854         once on the initial version of the expression.
7855
7856 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7857
7858         PR target/27237
7859         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7860
7861 2009-03-31  Richard Guenther  <rguenther@suse.de>
7862
7863         PR middle-end/31029
7864         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7865         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7866
7867 2009-03-31  Richard Guenther  <rguenther@suse.de>
7868
7869         * tree.h (div_if_zero_remainder): Declare.
7870         * fold-const.c (div_if_zero_remainder): Export.
7871         * tree-ssa-forwprop.c
7872         (forward_propagate_addr_into_variable_array_index): Handle
7873         constant array index addition outside of the variable index.
7874
7875 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7876
7877         PR target/39592
7878         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7879         define_splits, floatunssi<mode>2): Require x87 conversions from
7880         DImode to be permitted.
7881
7882 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7883
7884         PR preprocessor/15638
7885         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7886
7887 2009-03-31  Richard Guenther  <rguenther@suse.de>
7888
7889         PR middle-end/23401
7890         PR middle-end/27810
7891         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7892         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7893         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7894         a separate statement.
7895         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7896         (lookup_tmp_var): Likewise.
7897         (is_gimple_formal_tmp_or_call_rhs): Remove.
7898         (is_gimple_reg_or_call_rhs): Rename to ...
7899         (is_gimple_reg_rhs_or_call): ... this.
7900         (is_gimple_mem_or_call_rhs): Rename to ...
7901         (is_gimple_mem_rhs_or_call): ... this.
7902         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7903         DECL_GIMPLE_REG_P only if is_formal is true.
7904         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7905         for non-proper post-modify expression gimplification.
7906         (gimplify_self_mod_expr): For post-modify expressions gimplify
7907         the lvalue to a minimal lvalue.
7908         (rhs_predicate_for): Remove formal temp case.
7909         (gimplify_modify_expr_rhs): Likewise.
7910         (gimplify_addr_expr): Use is_gimple_reg.
7911         (gimplify_expr): Remove formal temp cases.
7912         (gimple_regimplify_operands): Likewise.
7913         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7914         and FILTER_EXPR like constants.
7915         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7916         is_gimple_reg.
7917         (is_gimple_formal_tmp_rhs): Remove.
7918         (is_gimple_reg_rhs): Remove special casing.
7919         (is_gimple_mem_rhs): Fix.
7920         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7921         (is_gimple_formal_tmp_var): Remove.
7922         (is_gimple_formal_tmp_reg): Likewise.
7923         (is_gimple_min_lval): Allow invariant component ref parts.
7924         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7925         is_gimple_formal_tmp_reg): Remove declarations.
7926         * tree-cfg.c (verify_expr): Verify that variables with address
7927         taken do not have DECL_GIMPLE_REG_P set.
7928         * tree-mudflap.c (mf_build_check_statement_for): Use
7929         force_gimple_operand instead of gimplify_expr.
7930
7931 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7932
7933         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7934         schedulable rows to compute_split_row.
7935
7936 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7937
7938         PR target/31635
7939         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7940         OPT_mvrsave.
7941
7942 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7943
7944         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7945         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7946         * configure: Regenerate.
7947         * config.in: Regenerate.
7948         * config/rs6000/rs6000.opt (mtls-markers): Add.
7949         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7950         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7951         (tls_ld_aix, tls_ld_sysv): Likewise.
7952         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7953         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7954
7955 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7956
7957         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7958
7959 2009-03-30  Jan Hubicka  <jh@suse.cz>
7960
7961         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7962         out of RESX.
7963         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7964         detection and label handling.
7965
7966 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7967
7968         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7969         left_conflicts_size.
7970         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7971         ALLOCNO_LEFT_CONFLICTS_SIZE.
7972
7973         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7974         remove_allocno_from_bucket_and_push,
7975         allocno_spill_priority_compare, push_allocnos_to_stack,
7976         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7977         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7978         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7979         setup_allocno_left_conflicts_size.
7980         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7981         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7982         setup_allocno_left_conflicts_size instead of
7983         setup_allocno_left_conflicts_num.
7984
7985         * ira-build.c (ira_create_allocno): Use
7986         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7987         ALLOCNO_LEFT_CONFLICTS_NUM.
7988
7989 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7990
7991         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7992         instead of DF_LR_OUT.
7993
7994         * ira-lives.c (process_bb_node_lives): Ditto.
7995
7996         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7997         instead of DF_LR_{OUT,IN}.
7998
7999         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8000
8001         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8002
8003 2009-03-30  Jan Hubicka  <jh@suse.cz>
8004
8005         * except.c (label_to_region_map): Fix thinko.
8006
8007 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
8008
8009         PR middle-end/38237
8010         * tree.h (tree_find_value): New declaration.
8011         * tree.c (tree_find_value): New function.
8012         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8013
8014 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8015
8016         PR debug/39563
8017         * c-decl.c (struct c_binding): Add locus field.
8018         (bind): Add locus argument, set locus field from it.
8019         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8020         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8021         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8022         implicitly_declare, undeclared_variable, lookup_label,
8023         declare_label, c_make_fname_decl, c_builtin_function,
8024         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8025         bind callers.
8026
8027 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8028
8029         PR target/38781
8030         * config/i386/i386.c (classify_argument): Check total size of
8031         structure.
8032
8033 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8034
8035         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8036         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8037         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8038         respectively.
8039
8040         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8041         seen_variable_array_ref while also traversing a union.
8042
8043         * tree-inline.c (optimize_inline_calls): Do not call
8044         cgraph_node_remove_callees.
8045         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8046         (pass_remove_cgraph_callee_edges): New variable.
8047         * passes.c (init_optimization_passes): Add
8048         pass_remove_cgraph_callee_edges after early inlining and before all
8049         late intraprocedural passes.
8050
8051         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8052
8053 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8054
8055         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8056         Fix typos in names.
8057
8058 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8059
8060         * combine.c (simplify_comparison): Use have_insn_for.
8061         * dojump.c (do_jump): Likewise.
8062
8063 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8064
8065         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8066         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8067         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8068         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8069         instead of sparc_compare_emitted.
8070         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8071         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8072         instead of sparc_compare_emitted.
8073
8074 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8075
8076         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8077         enter/exit cfglayout mode.
8078         (pass_partition_block): Require it.
8079         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8080         (combine_instructions): Track basic blocks instead of labels.
8081         (update_cfg_for_uncondjump): New.
8082         (try_combine): Use it.  Update jumps after rescanning.
8083         (pass_combine): Require PROP_cfglayout.
8084         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8085
8086 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8087
8088         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8089         Provide/destroy PROP_cfglayout respectively.
8090         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8091         * tree-pass.h (PROP_cfglayout): New.
8092
8093 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8094
8095         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8096         fold_convert_const_fixed_from_fixed,
8097         fold_convert_const_fixed_from_int,
8098         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8099         set TREE_CONSTANT_OVERFLOW.
8100         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8101         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8102
8103 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8104
8105         * tree-vect-loop-manip.c: New file.
8106         * tree-vectorizer.c: Update documentation and included files.
8107         (vect_loop_location): Make extern.
8108         (rename_use_op): Move to tree-vect-loop-manip.c
8109         (rename_variables_in_bb, rename_variables_in_loop,
8110         slpeel_update_phis_for_duplicate_loop,
8111         slpeel_update_phi_nodes_for_guard1,
8112         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8113         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8114         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8115         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8116         find_loop_location): Likewise.
8117         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8118         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8119         get_vectype_for_scalar_type, vect_is_simple_use,
8120         supportable_widening_operation, supportable_narrowing_operation):
8121         Likewise.
8122         (bb_in_loop_p): Move to tree-vect-loop.c.
8123         (new_loop_vec_info, destroy_loop_vec_info,
8124         reduction_code_for_scalar_code, report_vect_op,
8125         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8126         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8127         (vect_supportable_dr_alignment): Likewise.
8128         * tree-vectorizer.h (tree-data-ref.h): Include.
8129         (vect_loop_location): Declare.
8130         Reorganize function declarations according to the new file structure.
8131         * tree-vect-loop.c: New file.
8132         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8133         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8134         * tree-vect-data-refs.c: New file.
8135         * tree-vect-patterns.c (timevar.h): Don't include.
8136         * tree-vect-stmts.c: New file.
8137         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8138         tree-vect-slp.c, tree-vect-loop.c.
8139         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8140         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8141         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8142         (tree-vect-analyze.o): Remove.
8143         (tree-vect-transform.o): Likewise.
8144         (tree-vect-data-refs.o): Add rule.
8145         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8146         tree-vect-slp.o): Likewise.
8147         (tree-vect-patterns.o): Remove redundant dependencies.
8148         (tree-vectorizer.o): Likewise.
8149         * tree-vect-slp.c: New file.
8150
8151 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8152
8153         * optc-gen.awk: Warn if an option flag has multiple different
8154         help strings.
8155
8156 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8157
8158         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8159         -floop-block): Document dependences on PPL, CLooG and Graphite.
8160
8161 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8162
8163         PR rtl-optimization/323
8164         * c-common.c (c_fully_fold, convert_and_check,
8165         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8166         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8167         * c-common.def (EXCESS_PRECISION_EXPR): New.
8168         * c-cppbuiltin.c (builtin_define_float_constants): Define
8169         constants with enough digits for long double.
8170         * c-lex.c (interpret_float): Interpret constant with excess
8171         precision where appropriate.
8172         * c-opts.c (c_common_post_options): Set
8173         flag_excess_precision_cmdline.  Give an error for
8174         -fexcess-precision=standard for C++ for processors where the
8175         option is significant.
8176         * c-parser.c (c_parser_conditional_expression): Handle excess
8177         precision in condition.
8178         * c-typeck.c (convert_arguments): Handle arguments with excess
8179         precision.
8180         (build_unary_op): Move excess precision outside operation.
8181         (build_conditional_expr): Likewise.
8182         (build_compound_expr): Likewise.
8183         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8184         (build_modify_expr): Handle excess precision in RHS.
8185         (convert_for_assignment): Handle excess precision in converted
8186         value.
8187         (digest_init, output_init_element, process_init_element): Handle
8188         excess precision in initializer.
8189         (c_finish_return): Handle excess precision in return value.
8190         (build_binary_op): Handle excess precision in operands and add
8191         excess precision as needed for operation.
8192         * common.opt (-fexcess-precision=): New option.
8193         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8194         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8195         For standard excess precision, output explicit conversion to and
8196         truncation from XFmode.
8197         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8198         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8199         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8200         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8201         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8202         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8203         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8204         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8205         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8206         define_splits, sqrt<mode>2): Disable where appropriate for
8207         standard excess precision.
8208         * convert.c (convert_to_real): Do not shorten arithmetic to type
8209         for which excess precision would be used.
8210         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8211         * doc/invoke.texi (-fexcess-precision=): Document option.
8212         (-mfpmath=): Correct index entry.
8213         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8214         flag_excess_precision): New.
8215         * langhooks.c (lhd_post_options): Set
8216         flag_excess_precision_cmdline.
8217         * opts.c (common_handle_option): Handle -fexcess-precision=.
8218         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8219         init_excess_precision): New.
8220         (lang_dependent_init_target): Call init_excess_precision.
8221         * tree.c (excess_precision_type): New.
8222         * tree.h (excess_precision_type): Declare.
8223
8224 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8225
8226         PR c/35235
8227         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8228         non-lvalue to component.
8229
8230 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8231
8232         PR preprocessor/34695
8233         * Makefile.in (c-opts.o): Depend on c-tree.h.
8234         * c-common.c: Move down include of diagnostic.h.
8235         (done_lexing, c_cpp_error): New.
8236         * c-common.h (done_lexing): Declare.
8237         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8238         (parse_in).
8239         * c-opts.c: Include c-tree.h.
8240         (c_common_init_options): Set preprocessor error callback.
8241         (c_common_handle_option): Do not set preprocessor
8242         inhibit_warnings, warnings_are_errors, warn_system_headers,
8243         pedantic_errors or inhibit_warnings flags.
8244         (c_common_post_options): Do not check cpp_errors (parse_in).
8245         (c_common_finish): Do not output dependencies if there were
8246         errors.  Do not check return value of cpp_finish.
8247         * c-ppoutput.c (pp_file_change): Set input_location.
8248         * c-tree.h (c_cpp_error): Declare.
8249         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8250         override_column.
8251         (diagnostic_build_prefix): Check override_column.
8252         * diagnostic.h (diagnostic_info): Add override_column field.
8253         (diagnostic_override_column): Define.
8254
8255 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8256
8257         * c-common.c (c_expand_expr, c_staticp): Remove.
8258         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8259         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8260         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8261         * c-gimplify.c (gimplify_compound_literal_expr,
8262         optimize_compound_literals_in_ctor): Remove.
8263         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8264         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8265         * c-semantics.c (emit_local_var): Remove.
8266
8267         * langhooks-def.h (lhd_expand_expr): Remove.
8268         * langhooks.c (lhd_expand_expr): Remove.
8269         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8270
8271         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8272         handling from c-semantics.c; don't call into langhook.
8273         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8274         * gimplify.c (gimplify_compound_literal_expr,
8275         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8276         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8277         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8278         as was done in c-gimplify.c.
8279         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8280         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8281         Move from c-common.h.
8282         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8283
8284         * tree.c (staticp): Do not call langhook.
8285         * langhooks.c (lhd_staticp): Delete.
8286         * langhooks-def.h (lhd_staticp): Delete prototype.
8287         (LANG_HOOKS_STATICP): Delete.
8288         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8289
8290         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8291         instead of DECL_STMTs.
8292
8293 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8294
8295         PR c/456
8296         PR c/5675
8297         PR c/19976
8298         PR c/29116
8299         PR c/31871
8300         PR c/35198
8301         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8302         void_type_node.
8303         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8304         contained expression.
8305         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8306         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8307         conditional expressions for C.
8308         (decl_constant_value_for_optimization): Move from
8309         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8310         whether optimizing and that the expression is a VAR_DECL not of
8311         array type instead of doing such checks in the caller.  Do not
8312         check pedantic.  Call gcc_unreachable for C++.
8313         * c-common.def (C_MAYBE_CONST_EXPR): New.
8314         * c-common.h (c_fully_fold, c_save_expr,
8315         decl_constant_value_for_optimization): New prototypes.
8316         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8317         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8318         EXPR_INT_CONST_OPERANDS): Define.
8319         * c-convert.c (convert): Strip nops from expression.
8320         * c-decl.c (groktypename): Take extra parameters expr and
8321         expr_const_operands.  Update call to grokdeclarator.
8322         (start_decl): Update call to grokdeclarator.  Add statement for
8323         expressions used in type of decl.
8324         (grokparm): Update call to grokdeclarator.
8325         (push_parm_decl): Update call to grokdeclarator.
8326         (build_compound_literal): Add parameter non_const and build a
8327         C_MAYBE_COSNT_EXPR if applicable.
8328         (grokdeclarator): Take extra parameters expr and
8329         expr_const_operands.  Track expressions used in declaration
8330         specifiers and declarators.  Fold array sizes and track whether
8331         they are constant expressions and whether they are integer
8332         constant expressions.
8333         (parser_xref_tag): Set expr and expr_const_operands fields in
8334         return value.
8335         (grokfield): Update call to grokdeclarator.
8336         (start_function): Update call to grokdeclarator.
8337         (build_null_declspecs): Set expr and expr_const_operands fields in
8338         return value.
8339         (declspecs_add_type): Handle expressions in typeof specifiers.
8340         * c-parser.c (c_parser_declspecs): Set expr and
8341         expr_const_operands fields for declaration specifiers.
8342         (c_parser_enum_specifier): Likewise.
8343         (c_parser_struct_or_union_specifier): Likewise.
8344         (c_parser_typeof_specifier): Likewise.  Update call to
8345         groktypename.  Fold expression as needed.  Return expressions with
8346         type instead of adding statements.
8347         (c_parser_attributes): Update calls to c_parser_expr_list.
8348         (c_parser_statement_after_labels): Fold expression before passing
8349         to objc_build_throw_stmt.
8350         (c_parser_condition): Fold expression.
8351         (c_parser_asm_operands): Fold expression.
8352         (c_parser_conditional_expression): Use c_save_expr.  Update call
8353         to build_conditional_expr.
8354         (c_parser_alignof_expression): Update call to groktypename.
8355         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8356         original_code.  Fold expression argument of va_arg.  Create
8357         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8358         argument to va_arg.  Update calls to groktypename.  Fold array
8359         index for offsetof.  Verify that first argument to
8360         __builtin_choose_expr has integer type.
8361         (c_parser_postfix_expression_after_paren_type): Update calls to
8362         groktypename and build_compound_literal.  Handle expressions with
8363         side effects in type name.
8364         (c_parser_postfix_expression_after_primary): Update call to
8365         c_parser_expr_list.  Set original_code for calls to
8366         __builtin_constant_p.
8367         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8368         expressions if requested.
8369         (c_parser_objc_type_name): Update call to groktypename.
8370         (c_parser_objc_synchronized_statement): Fold expression.
8371         (c_parser_objc_receiver): Fold expression.
8372         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8373         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8374         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8375         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8376         (struct c_typespec): Add elements expr and expr_const_operands.
8377         (struct c_declspecs): Add elements expr and expr_const_operands.
8378         (groktypename, build_conditional_expr, build_compound_literal):
8379         Update prototypes.
8380         (in_late_binary_op): Declare.
8381         * c-typeck.c (note_integer_operands): New function.
8382         (in_late_binary_op): New variable.
8383         (decl_constant_value_for_broken_optimization): Move to c-common.c
8384         and rename to decl_constant_value_for_optimization.
8385         (default_function_array_conversion): Do not strip nops.
8386         (default_conversion): Do not call
8387         decl_constant_value_for_broken_optimization.
8388         (build_array_ref): Do not fold result.
8389         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8390         result when operand is a VLA.
8391         (c_expr_sizeof_type): Update call to groktypename.  Handle
8392         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8393         result when operand names a VLA type.
8394         (build_function_call): Update call to build_compound_literal.
8395         Only fold result for calls to __builtin_* functions.  Strip
8396         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8397         the function designator.
8398         (convert_arguments): Fold arguments.  Update call to
8399         convert_for_assignment.
8400         (build_unary_op): Handle increment and decrement of
8401         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8402         decrement earlier.  Fold operand of increment and decrement.
8403         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8404         built for integer operand.  Wrap returns that are INTEGER_CSTs
8405         without being integer constant expressions or that have integer
8406         constant operands without being INTEGER_CSTs.
8407         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8408         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8409         result is an integer constant expression or can be used in
8410         unevaluated parts of one and avoid folding and wrap as
8411         appropriate.  Fold operands before possibly doing -Wsign-compare
8412         warnings.
8413         (build_compound_expr): Wrap result for C99 if operands can be used
8414         in integer constant expressions.
8415         (build_c_cast): Update call to digest_init.  Do not ignore
8416         overflow from casting floating-point constants to integers.  Wrap
8417         results that could be confused with integer constant expressions,
8418         null pointer constants or floating-point constants.
8419         (c_cast_expr): Update call to groktypename.  Handle expressions
8420         included in type name.
8421         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8422         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8423         Update calls to convert_for_assignment.
8424         (convert_for_assignment): Take new parameter
8425         null_pointer_constant.  Do not strip nops or call
8426         decl_constant_value_for_broken_optimization.  Set
8427         in_late_binary_op for conversions to boolean.
8428         (store_init_value): Update call to digest_init.
8429         (digest_init): Take new parameter null_pointer_constant.  Do not
8430         call decl_constant_value_for_broken_optimization.  pedwarn for
8431         initializers not constant expressions.  Update calls to
8432         convert_for_assignment.
8433         (constructor_nonconst): New.
8434         (struct constructor_stack): Add nonconst element.
8435         (really_start_incremental_init, push_init_level, pop_init_level):
8436         Handle constructor_nonconst and nonconst element.
8437         (set_init_index): Call constant_expression_warning for array
8438         designators.
8439         (output_init_element): Fold value.  Set constructor_nonconst as
8440         applicable.  pedwarn for initializers not constant expressions.
8441         Update call to digest_init.  Call constant_expression_warning
8442         where constant initializers are required.
8443         (process_init_element): Use c_save_expr.
8444         (c_finish_goto_ptr): Fold expression.
8445         (c_finish_return): Fold return value.  Update call to
8446         convert_for_assignment.
8447         (c_start_case): Fold switch expression.
8448         (c_process_expr_stmt): Fold expression.
8449         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8450         ensure statement expression is not evaluated in constant expression.
8451         (build_binary_op): Track whether results are integer constant
8452         expressions or may occur in such, disable folding and wrap results
8453         as applicable.  Fold operands for -Wsign-compare warnings unless
8454         in_late_binary_op.
8455         (c_objc_common_truthvalue_conversion): Handle results folded to
8456         integer constants that are not integer constant expressions.
8457         * doc/extend.texi: Document when typeof operands are evaluated,
8458         that condition of __builtin_choose_expr is an integer constant
8459         expression, and more about use of __builtin_constant_p in
8460         initializers.
8461
8462 2009-03-29  Richard Guenther  <rguenther@suse.de>
8463
8464         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8465         propagate addresses of array references.
8466
8467 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8468
8469         * regmove.c (perhaps_ends_bb_p): Remove.
8470         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8471         from INSN and check that the main loop stays within that basic block.
8472         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8473         (regmove_forward_pass): Split out from regmove_optimize.  Use
8474         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8475         (regmove_backward_pass): Split out from regmove_optimize.  Use
8476         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8477         (regmove_optimize): Simplify.
8478
8479 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8480
8481         PR target/39545
8482         * config/i386/i386.c (classify_argument): Ignore flexible array
8483         member in struct and warn ABI change.
8484
8485 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8486
8487         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8488
8489         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8490         (ix86_adjust_cost): Updated.
8491
8492 2009-03-29  Jan Hubicka  <jh@suse.cz>
8493
8494         PR middle-end/28850
8495         * tree-pass.h (pass_cleanup_eh): New function.
8496         (remove_unreachable_regions): Break code handling RTL
8497         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8498         that can not be reached by runtime.
8499         (can_be_reached_by_runtime): New function.
8500         (label_to_region_map): New function.
8501         (num_eh_regions): New function.
8502         (rtl_remove_unreachable_regions): New function.
8503         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8504         (remove_eh_region): New function.
8505         * except.h: Include sbitmap and vecprim.
8506         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8507         num_eh_regions): Declare.
8508         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8509         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8510         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8511         (tree_empty_eh_handler_p): New function.
8512         (cleanup_empty_eh): New function.
8513         (cleanup_eh): New function.
8514         (pass_cleanup_eh): New function.
8515
8516 2009-03-29  Jan Hubicka  <jh@suse.cz>
8517
8518         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8519         for removed regions.
8520
8521 2009-03-29  Jan Hubicka  <jh@suse.cz>
8522
8523         * except.c (dump_eh_tree): Dump all datastructures.
8524
8525 2009-03-29  Jan Hubicka  <jh@suse.cz>
8526
8527         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8528         (duplicate_eh_regions_1): Likewise.
8529         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8530         vector; call EH verification.
8531         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8532         Be ready for region being removed.
8533
8534 2009-03-29  Jan Hubicka  <jh@suse.cz>
8535
8536         * bitmap.c (bitmap_last_set_bit): New function.
8537         * bitmap.h (bitmap_last_set_bit): Declare.
8538
8539 2009-03-29  David Ayers  <ayers@fsfe.org>
8540
8541         PR objc/27377
8542         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8543         by calling objc_compare_types and surpress warnings about
8544         incompatible C pointers that are compatible ObjC pointers.
8545
8546 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8547
8548         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8549         call initialize_inline_failed.
8550         (initialize_inline_failed): Move it from here ...
8551         * cgraph.c (initialize_inline_failed): ... to here.
8552         (cgraph_create_edge): Call initialize_inline_failed rather than
8553         setting inline_failed directly.
8554
8555 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8556
8557         PR target/32542
8558         * sysv4.opt (msdata): Improve comment.
8559         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8560         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8561
8562 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8563
8564         PR target/30451
8565         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8566         load and store attributes.
8567
8568 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8569
8570         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8571         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8572         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8573         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8574         __builtin_infq and __builtin_huge_valq.
8575
8576 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8577
8578         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8579         atmega8m1 devices.
8580         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8581         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8582
8583 2009-03-28  Xinliang David Li  <davidxl@google.com>
8584
8585         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8586         (do_dbg_cnt): New function.
8587
8588 2009-03-28  Jan Hubicka  <jh@suse.cz>
8589
8590         Merge from pretty-ipa:
8591
8592         2009-03-27  Jan Hubicka  <jh@suse.cz>
8593
8594         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8595         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8596         * passes.c (function_called_by_processed_nodes_p): New.
8597         * ipa-pure-const.c (check_call): Fix handling of operands.
8598         (analyze_function): Dump debug output for skipped bodies.
8599         (local_pure_const): Use function_called_by_processed_nodes_p.
8600         * dwarf2out.c (reference_to_unused): Use output.
8601         * passes.c (do_per_function_toporder): Likewise.
8602
8603         2008-11-12  Jan Hubicka  <jh@suse.cz>
8604
8605         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8606         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8607         state_set_in_source enum
8608         (check_decl): Ignore memory tags; do not set fake looping flags;
8609         dump diagnostics.
8610         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8611         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8612         (check_call, analyze_function): Rewrite.
8613         (check_stmt): New.
8614         (add_new_function): Update call of analyze_function.
8615         (generate_summary): Add call of analyze_function.
8616         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8617         (local_pure_const): New function.
8618         (pass_local_pure_const): New pass.
8619         * ipa-inline.c (inline_transform): Set after_inlining.
8620         * tree-eh.c (stmt_can_throw_external): New.
8621         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8622         work with aliasing built.
8623         * tree-flow.h (stmt_can_throw_external): New.
8624         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8625         and local pure/const pass in early and late optimization queue.
8626
8627 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8628
8629         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8630         allow_func_align.
8631         (fold_binary): Allow function decl aligment consideration is the
8632         second argument is integer constant one.
8633         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8634         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8635         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8636
8637 2009-03-28  Jan Hubicka  <jh@suse.cz>
8638
8639         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8640         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8641         * function.h (rtl_data): Add nothrow flag.
8642         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8643         set DECL_NOTHROW for AVAILABLE functions.
8644
8645 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8646
8647         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8648         following vector keyword has expansion starting with pixel or bool
8649         keyword, expand vector to __vector and pixel or bool to __pixel or
8650         __bool.
8651
8652         PR c++/39554
8653         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8654         warn_if_disallowed_function_p): Removed.
8655         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8656         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8657         warning_if_disallowed_function_p.
8658         * flags.h (warn_if_disallowed_function_p,
8659         warn_disallowed_functions): Removed.
8660         * common.opt (Wdisallowed-function-list=): Removed.
8661         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8662
8663 2009-03-28  Richard Guenther  <rguenther@suse.de>
8664
8665         PR tree-optimization/38723
8666         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8667         the entry block.
8668
8669 2009-03-28  Jan Hubicka  <jh@suse.cz>
8670
8671         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8672         test introduced by my previous patch.
8673
8674 2009-03-28  Richard Guenther  <rguenther@suse.de>
8675
8676         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8677         the PHIs value undefined.
8678
8679 2009-03-28  Jan Hubicka  <jh@suse.cz>
8680
8681         * tree-pass.h (pass_fixup_cfg): New pass.
8682         * ipa-inline.c (inline_transform): Set
8683         always_inline_functions_inlined/after_inlining.
8684         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8685         (pass_fixup_cfg): New pass.
8686         * passes.c (init_optimization_passes): Add fixup_cfg.
8687
8688 2009-03-28  Richard Guenther  <rguenther@suse.de>
8689
8690         PR tree-optimization/38458
8691         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8692         argument use the arguments copy-of value.
8693
8694 2009-03-28  Richard Guenther  <rguenther@suse.de>
8695
8696         PR tree-optimization/38180
8697         * tree-ssa-ccp.c (get_default_value): Simplify.
8698         (likely_value): Likewise.
8699         (surely_varying_stmt_p): Properly handle VOP case.
8700         (ccp_initialize): Likewise.
8701         (ccp_fold): Handle propagating through *&.
8702         (fold_const_aggregate_ref): Also handle decls.
8703
8704 2009-03-28  Jan Hubicka  <jh@suse.cz>
8705
8706         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8707         * cgraph.h (cgraph_node): Likewise.
8708         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8709         (cgraph_reset_node): Use process flag.
8710         (cgraph_mark_functions_to_output): Likewise.
8711         (cgraph_expand_function): Likewise.
8712         (cgraph_expand_all_functions): Likewise.
8713         (cgraph_output_in_order): Likewise.
8714         * dwarf2out.c (reference_to_unused): Likewise.
8715         * passes.c do_per_function_toporder): Likewise.
8716
8717 2009-03-28  Jan Hubicka  <jh@suse.cz>
8718
8719         Bring from lto-branch:
8720
8721         2008-09-03  Doug Kwan  <dougkwan@google.com>
8722
8723         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8724         enums instead of reason strings.
8725         * cgraph.c (cgraph_create_edge): Same.
8726         (cgraph_inline_failed_string): New function.
8727         * cgraph.h (cgraph_inline_failed_t): New enum type.
8728         (cgraph_inline_failed_string): New prototype.
8729         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8730         char pointer to cgraph_inline_failed_t.
8731         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8732         (cgraph_default_inline_p): Ditto.
8733         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8734         to cgraph_inline_failed_t pointer.
8735         * cif-code.def: New file.
8736         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8737         reason string.
8738         (cgraph_check_inline_limits): Change type of REASON to pointer to
8739         cgraph_inline_failed_t.  Replace reason strings with enums.
8740         (cgraph_default_inline_p): Ditto.
8741         (cgraph_recursive_inlining_p): Ditto.
8742         (update_caller_keys): Change type of FAILED_REASON to
8743         cgraph_inline_failed_t.
8744         (cgraph_set_inline_failed): Change type of REASON to pointer to
8745         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8746         convert enums to strings for text output.
8747         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8748         to be of type cgraph_inline_failed_t.  Replace reason strings with
8749         enums.  Call cgraph_inline_failed_string to covert enums
8750         to strings for text output.
8751         (cgraph_decide_inlining): Replace reason strings with enums.
8752         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8753         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8754         for text output.
8755         * tree-inline.c (expand_call_inline): Change type of REASON
8756         to cgraph_inline_failed_t.  Replace reason strings with enums.
8757         Call cgraph_inline_failed_string for text output.
8758         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8759         (cgraph.o): Ditto.
8760
8761 2009-03-28  Jan Hubicka  <jh@suse.cz>
8762
8763         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8764         cgraph_clone_node): Remove master clone handling.
8765         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8766         * cgraph.h (master_clone): Remove.
8767         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8768         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8769         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8770
8771 2009-03-28  Jan Hubicka  <jh@suse.cz>
8772
8773         * cgraph.c (cgraph_function_body_availability): Functions declared
8774         inline are always safe to assume that it is not going to be replaced.
8775
8776 2009-03-28  Richard Guenther  <rguenther@suse.de>
8777
8778         PR tree-optimization/38513
8779         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8780         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8781         EXC_PTR_EXPR and FILTER_EXPR.
8782         (get_ref_from_reference_ops): Likewise.
8783
8784 2009-03-28  Richard Guenther  <rguenther@suse.de>
8785
8786         PR tree-optimization/38968
8787         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8788         Use FLOOR_MOD_EXPR to compute misalignment.
8789
8790 2009-03-28  Richard Guenther  <rguenther@suse.de>
8791
8792         PR tree-optimization/37795
8793         * tree.h (combine_comparisons): Declare.
8794         * fold-const.c (combine_comparisons): Export.
8795         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8796         comparisons.
8797         (ifcombine_iforif): Use combine_comparisons.
8798
8799 2009-03-28  Jan Hubicka  <jh@suse.cz>
8800
8801         * tree-eh.c (inlinable_call_p): New function.
8802         (make_eh_edges): Use it.
8803         (verify_eh_edges): Use it.
8804         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8805         * except.c (reachable_next_level): Add inlinable_function argument
8806         (sjlj_find_directly_reachable_regions): Update.
8807         (add_reachable_handler): Do not set saw_any_handlers.
8808         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8809         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8810         Add new inlinable call parameter.
8811         (can_throw_internal, can_throw_external): Update.
8812         * except.h (can_throw_internal_1, can_throw_external_1,
8813         foreach_reachable_handler): Update declaration.
8814
8815 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8816
8817         * config/arm/t-arm-coff, config/h8300/coff.h,
8818         config/i386/i386-aout.h, config/i386/i386-coff.h,
8819         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8820         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8821         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8822         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8823         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8824         sys-types.h: Remove.
8825         * Makefile.in: Remove protoize and fixproto support and references
8826         in comments.
8827         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8828         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8829         Remove.
8830         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8831         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8832         unprotoize$(exeext).
8833         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8834         (.PHONY): Don't depend on proto.
8835         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8836         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8837         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8838         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8839         build/gen-protos.o, build/scan.o, xsys-protos.h,
8840         build/fix-header$(build_exeext), build/fix-header.o,
8841         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8842         stmp-install-fixproto): Remove.
8843         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8844         SYSCALLS.c or fixproto files.
8845         (install-common): Don't install protoize.
8846         (install-headers-tar, install-headers-cpio, install-headers-cp):
8847         Don't depend on $(STMP_FIXPROTO).
8848         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8849         install fixproto files or write out fixproto settings.
8850         (uninstall): Don't uninstall protoize.
8851         * config.gcc (use_fixproto): Remove.
8852         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8853         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8854         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8855         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8856         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8857         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8858         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8859         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8860         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8861         * config/t-vxworks (STMP_FIXPROTO): Remove.
8862         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8863         STMP_FIXPROTO): Remove.
8864         * config.in, configure: Regenerate.
8865         * crtstuff.c (gid_t, uid_t): Don't undefine.
8866         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8867         (arm-*-coff, arm-*-aout: Remove target entries.
8868         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8869         Remove mention of AIX 4.1.
8870         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8871         * doc/invoke.texi (Running Protoize): Remove.
8872         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8873         (Protoize Caveats): Remove.
8874         * tsystem.h: Update comments on headers assumed to exist.
8875
8876 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8877
8878         * genautomata.c: Add a new year to the copyright.  Add a new
8879         reference.
8880         (struct insn_reserv_decl): Add comments for member bypass_list.
8881         (find_bypass): Remove.
8882         (insert_bypass): New.
8883         (process_decls): Use insert_bypass.
8884         (output_internal_insn_latency_func): Output all bypasses with the
8885         same input insn in one switch case.
8886
8887         * rtl.def (define_bypass): Describe bypass choice.
8888         * doc/md.texi (define_bypass): Ditto.
8889
8890 2009-03-27  Richard Guenther  <rguenther@suse.de>
8891
8892         * gimplify.c (mark_addressable): Export.
8893         * tree-flow.h (mark_addressable): Declare.
8894         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8895         * tree-ssa.c (verify_phi_args): Verify that address taken
8896         variables have TREE_ADDRESSABLE set.
8897
8898 2009-03-27  Richard Guenther  <rguenther@suse.de>
8899
8900         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8901         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8902         Do not mark decls TREE_ADDRESSABLE.
8903         (build_fold_addr_expr): Adjust.
8904         (fold_addr_expr): Remove.
8905         (fold_unary): Use build_fold_addr_expr.
8906         (fold_comparison): Likewise.
8907         (split_address_to_core_and_offset): Likewise.
8908         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8909         TREE_ADDRESSABLE.
8910         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8911         (gimplify_modify_expr_to_memcpy): Mark source and destination
8912         addressable.
8913         * omp-low.c (create_omp_child_function): Mark the object decl
8914         TREE_ADDRESSABLE.
8915         (lower_rec_input_clauses): Mark the var we take the address of
8916         TREE_ADDRESSABLE.
8917         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8918
8919 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8920
8921         PR middle-end/39315
8922         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8923         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8924
8925 2009-03-27  Richard Guenther  <rguenther@suse.de>
8926
8927         PR tree-optimization/39120
8928         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8929         constraints.
8930         (handle_lhs_call): Process return constraints.  Add escape
8931         constraints if necessary.
8932         (handle_const_call): Fill out return constraints.  Make nested
8933         case more precise.  Avoid consttmp if possible.
8934         (handle_pure_call): Fill out return constraints.  Avoid
8935         callused if possible.
8936         (find_func_aliases): Simplify call handling.
8937
8938 2009-03-27  Richard Guenther  <rguenther@suse.de>
8939
8940         PR tree-optimization/39120
8941         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8942         as a representative.
8943         (solve_graph): Do propagate CALLUSED.
8944         (handle_pure_call): Use a scalar constraint from CALLUSED for
8945         the return value.
8946         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8947         solutions.
8948
8949 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8950
8951         PR c/39323
8952         * c-common.c (handle_aligned_attribute): Properly check alignment
8953         overflow.  Use (1U << i) instead of (1 << i).
8954
8955         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8956
8957         * expr.h (get_mem_align_offset): Updated.
8958
8959         * tree.h (tree_decl_common): Change align to "unsigned int" and
8960         move it before pointer_alias_set.
8961
8962 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8963             Jakub Jelinek  <jakub@redhat.com>
8964
8965         PR target/38034
8966         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8967         gr_register_operand with gr_reg_or_0_operand.
8968         (cmpxchg_rel_di): Likewise.
8969         (sync_lock_test_and_set<mode>): Likewise.
8970
8971 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8972
8973         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8974         (true_regnum): Likewise.
8975
8976         * rtlanal.c (subreg_info): Moved to ...
8977         * rtl.h (subreg_info): Here.  New.
8978         (subreg_get_info): New.
8979
8980         * rtlanal.c (subreg_get_info): Make it extern.
8981
8982 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8983
8984         PR target/39472
8985         * config/i386/i386.c (ix86_abi): New.
8986         (override_options): Handle -mabi=.
8987         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8988         (ix86_call_abi_override): Likewise.
8989         (init_cumulative_args): Likewise.
8990         (function_arg_advance): Likewise.
8991         (function_arg_64): Likewise.
8992         (function_arg): Likewise.
8993         (ix86_pass_by_reference): Likewise.
8994         (ix86_function_value_regno_p): Likewise.
8995         (ix86_build_builtin_va_list_abi): Likewise.
8996         (setup_incoming_varargs_64): Likewise.
8997         (is_va_list_char_pointer): Likewise.
8998         (ix86_init_machine_status): Likewise.
8999         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9000         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9001         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9002         (ix86_function_abi): Make it static and return enum calling_abi.
9003         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
9004         with ix86_abi.
9005         (ix86_fn_abi_va_list): Updated.
9006
9007         * config/i386/i386.h (ix86_abi): New.
9008         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
9009         (CONDITIONAL_REGISTER_USAGE): Likewise.
9010         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
9011         (machine_function): Likewise.
9012
9013         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9014         with ix86_abi.
9015         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9016         (STACK_BOUNDARY): Likewise.
9017         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9018
9019         * config/i386/i386.opt (mabi=): New.
9020
9021         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9022         return enum calling_abi.
9023         (ix86_function_type_abi): Likewise.
9024         (ix86_function_abi): Removed.
9025
9026         * doc/invoke.texi: Document -mabi= option for x86.
9027
9028 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9029
9030         * builtins.c (real_dconstp): Delete.
9031         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9032
9033 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9034             Jakub Jelinek  <jakub@redhat.com>
9035
9036         PR debug/37959
9037         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9038         (gen_subprogram_die): When a function is explicit, generate the
9039         DW_AT_explicit attribute.
9040         * langhooks.h (struct lang_hooks_for_decls): Add
9041         function_decl_explicit_p langhook.
9042         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9043         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9044
9045 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9046
9047         * builtins.c (fold_builtin_memory_op): Optimize memmove
9048         into memcpy if we can prove source and destination don't overlap.
9049
9050         * tree-inline.c: Include gt-tree-inline.h.
9051         (clone_fn_id_num): New variable.
9052         (clone_function_name): New function.
9053         (tree_function_versioning): Use it.
9054         * Makefile.in (GTFILES): Add tree-inline.c.
9055
9056 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9057
9058         * BASE-VER: Change to 4.5.0.
9059
9060 2009-03-27  Xinliang David Li  <davidxl@google.com>
9061
9062         PR tree-optimization/39557
9063         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9064
9065 2009-03-27  Xinliang David Li  <davidxl@google.com>
9066
9067         PR tree-optimization/39548
9068         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9069         candidate check.
9070
9071 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9072
9073         * c-common.c (pointer_int_sum): Use %wd on return from
9074         tree_low_cst.
9075
9076 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9077
9078         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9079         on return from tree_low_cst.
9080
9081 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9082
9083         PR c++/36799
9084         * ginclude/stdarg.h (va_copy): Define also for
9085         __GXX_EXPERIMENTAL_CXX0X__.
9086
9087 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9088
9089         PR c++/35652
9090         * builtins.h (c_strlen): Do not warn here.
9091         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9092         * c-common.c (pointer_int_sum): Take an explicit location.
9093         Warn about offsets out of bounds.
9094         * c-common.h (pointer_int_sum): Adjust declaration.
9095
9096 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9097
9098         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9099         markup glitch.
9100
9101 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9102
9103         PR c++/39554
9104         * opts.c (warn_if_disallowed_function_p): Don't assume
9105         get_callee_fndecl must return non-NULL.
9106
9107 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9108
9109         PR rtl-optimization/39522
9110         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9111         when reg_reloaded_valid is set.
9112
9113 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9114
9115         * config/spu/divv2df3.c: New file.
9116         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9117         (DPBIT_FUNCS): Filter out _div_df.
9118
9119 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9120
9121         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9122         a jump insn, count that jump in the distance to the loop start.
9123
9124 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9125
9126         PR target/39523
9127         * config/sh/sh.c (calc_live_regs): Fix condition for global
9128         registers except PIC_OFFSET_TABLE_REGNUM.
9129
9130 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9131
9132         PR/39518
9133         * doc/invoke.texi (-mconsole): New.
9134         (-mcygwin): New.
9135         (-mno-cygwin): New.
9136         (-mdll): New.
9137         (-mnop-fun-dllimport): New.
9138         (-mthread): New.
9139         (-mwin32): New.
9140         (-mwindows): New.
9141         (sub section "i386 and x86-64 Windows Options"): New.
9142
9143 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9144
9145         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9146         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9147
9148 2009-03-25  Richard Guenther  <rguenther@suse.de>
9149
9150         PR middle-end/39497
9151         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9152         of -Wno-error.
9153
9154 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9155
9156         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9157         neither of haifa/selective schedulers are working.
9158
9159 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9160
9161         * doc/invoke.texi (Debugging Options): Fix description of
9162         -fno-merge-debug-strings.
9163
9164 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9165
9166         * config/cris/libgcc.ver: New version-script.
9167         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9168
9169         * configure.ac <GAS features, nop mnemonic>: Add pattern
9170         crisv32-*-* for "nop".
9171         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9172         * configure: Regenerate.
9173
9174 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9175
9176         PR tree-optimization/39529
9177         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9178         mark_sym_for_renaming for the tag copied to the new vector
9179         pointer.
9180
9181 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9182
9183         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9184         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9185         EXTRA_SPEC_FUNCTIONS.
9186         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9187         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9188         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9189         -march and -mtune options.
9190
9191 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9192
9193         * config/m68k/t-rtems: Add m5329 multilib.
9194
9195 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9196             Jakub Jelinek  <jakub@redhat.com>
9197
9198         PR debug/39524
9199         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9200         nodes.
9201
9202 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9203
9204         PR c/39495
9205         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9206         instead of c_parser_expression_conv, if original_code isn't one of the
9207         4 allowed comparison codes, fail.
9208
9209 2009-03-23  Richard Guenther  <rguenther@suse.de>
9210
9211         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9212         * tree.h (struct tree_type): Likewise.
9213         * reload.h (struct insn_chain): Likewise.
9214         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9215         * function.h (struct function): Likewise.
9216         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9217
9218 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9219
9220         PR tree-optimization/39516
9221         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9222
9223 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9224
9225         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9226         should be set true if BITS_PER_WORD of target is bigger than 32
9227
9228 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9229
9230         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9231         Translate -B-options to -rpath-link.  Correct existing
9232         rpath-link and conditionalize on !nostdlib.
9233
9234 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9235
9236         * doc/extend.texi (Function Attributes, Variable Attributes):
9237         Fix typos.
9238         * doc/invoke.texi (Debugging Options, Optimize Options)
9239         (i386 and x86-64 Options, MCore Options): Likewise.
9240
9241 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9242
9243         PR debug/37890
9244         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9245         it for block local namespace aliases.
9246         (gen_decl_die): Pass context_die to gen_namespace_die.
9247
9248 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9249
9250         PR c/39495
9251         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9252         minimum or maximum value.
9253
9254 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9255
9256         * reginfo.c (globalize_reg): Recompute derived reg sets.
9257
9258 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9259
9260         PR target/39063
9261         * libgcc2.c (mprotect): Do not use signed arguments for
9262         VirtualProtect, use DWORD arguments.  Also fix the 'may
9263         be used uninitialized' warning for the np variable.
9264
9265 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9266
9267         PR target/39496
9268         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9269         functions using regparm calling conventions when not optimizing.
9270         (ix86_function_sseregparm): Similarly for sseregparm calling
9271         conventions.
9272
9273 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9274
9275         PR middle-end/39500
9276         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9277         dependence if the first conflict is after niter iterations.
9278
9279 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9280
9281         PR middle-end/38609
9282         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9283         functions with dynamic stack-pointer adjustments.
9284
9285 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9286
9287         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9288         option; change to -msdata=data.
9289
9290 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9291
9292         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9293         and -fopenmp.
9294
9295 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9296
9297         PR target/35180
9298         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9299
9300 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9301
9302         * doc/invoke.texi (Code Gen Options): Expand discussion of
9303         -fno-common.
9304
9305 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9306
9307         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9308         * matrix-reorg.c (struct matrix_info): Likewise.
9309         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9310         * rtl.h (struct mem_attrs): Likewise.
9311         * df.h (struct df): Likewise.
9312         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9313         * ira-int.h (struct ira_allocno): Likewise.
9314         * df-scan.c (struct df_collection_rec): Likewise.
9315         * ira.c (struct equivalence): Likewise.
9316         * function.c (struct temp_slot): Likewise.
9317         * cfgloop.h (struct loop): Likewise.
9318
9319         PR debug/39485
9320         * function.c (use_register_for_decl): When not optimizing, disregard
9321         register keyword for variables with types containing methods.
9322
9323 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9324
9325         PR middle-end/39447
9326         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9327         (is_simple_operand): Call contains_component_ref_p before calling data
9328         reference analysis that would fail on COMPONENT_REFs.
9329
9330         * tree-vrp.c (search_for_addr_array): Fix formatting.
9331
9332 2009-03-18  Richard Guenther  <rguenther@suse.de>
9333
9334         * tree-vect-transform.c (vect_loop_versioning): Fold the
9335         generated comparisons.
9336         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9337         (slpeel_tree_peel_loop_to_edge): Likewise.
9338
9339 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9340
9341         PR middle-end/37805
9342         * opts.c (print_specific_help): In addition to `undocumented',
9343         accept `separate' and `joined' flags if passed alone.  Describe
9344         output by the first matched one of those.
9345         (common_handle_option): Skip over empty strings.
9346         * gcc.c (display_help): Fix help string for `--help='.
9347         * doc/invoke.texi (Option Summary, Overall Options): With
9348         `--help=', classes and qualifiers can both be repeated, but
9349         only the latter can be negated.  One should not pass only
9350         negated qualifiers.  Fix markup and examples.
9351
9352         Revert
9353         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9354         PR middle-end/37805
9355         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9356         and -fhelp=separate.
9357
9358 2009-03-17  Jing Yu  <jingyu@google.com>
9359
9360         PR middle-end/39378
9361         * function.h (struct rtl_data): Move is_thunk from here...
9362         (struct function): ...to here.
9363         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9364         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9365         cfun.
9366         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9367         cfun.
9368         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9369         (alpha_output_function_end_prologue): Likewise.
9370         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9371         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9372         (rs6000_output_function_epilogue): Likewise.
9373         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9374
9375 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9376
9377         PR target/39482
9378         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9379         from different units in a single alternative.
9380         (*truncdfsf_i387): Ditto.
9381         (*truncxfsf2_mixed): Ditto.
9382         (*truncxfdf2_mixed): Ditto.
9383
9384 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9385
9386         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9387         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9388
9389         PR debug/39474
9390         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9391         unused non-artificial variables when not optimizing.
9392
9393         PR debug/39471
9394         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9395         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9396         NAMESPACE_DECL in its DECL_INITIAL.
9397
9398         PR middle-end/39443
9399         * optabs.c (set_user_assembler_libfunc): New function.
9400         * expr.h (set_user_assembler_libfunc): New prototype.
9401         * c-common.c: Include libfuncs.h.
9402         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9403         for memcmp, memset, memcpy, memmove and abort.
9404         * Makefile.in (c-common.o): Depend on libfuncs.h.
9405
9406         PR debug/39412
9407         * dwarf2out.c (gen_inlined_enumeration_type_die,
9408         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9409         gen_tagged_type_instantiation_die): Removed.
9410         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9411         do nothing.
9412
9413 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9414
9415         PR testsuite/38526
9416         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9417         its use.
9418         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9419         (check-parallel-%): Ditto.
9420         (check-consistency): Ditto.
9421
9422 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9423
9424         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9425         local variable rhs by NULL_TREE.
9426
9427 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9428
9429         PR target/39477
9430         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9431
9432 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9433
9434         PR target/39476
9435         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9436
9437 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9438
9439         PR target/39473
9440         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9441         for ms->sysv ABI calls only in 64bit mode.
9442
9443         * config/i386/i386.md (untyped_call): Support 32bit.
9444
9445 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9446
9447         * doc/extend.texi: Replace x86_65 with x86_64.
9448
9449 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9450
9451         PR tree-optimization/39455
9452         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9453         mismatches for POINTER_TYPE_P (type).
9454         (number_of_iterations_le): Likewise.
9455
9456 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9457
9458         * config/picochip/picochip.c: Removed profiling support.
9459         * config/picochip/picochip.md: Removed profiling instruction.
9460         * config/picochip/picochip.h: Removed profiling builtin.
9461
9462 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9463
9464         * doc/install.texi (--with-host-libstdcxx): Document.
9465
9466 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9467
9468         PR target/34299
9469         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9470         generate a warning if the function name does not begin with
9471         "__vector" and the function has either the 'signal' or 'interrupt'
9472         attribute, from here to ...
9473         (avr_declare_function_name): ...here. New function.
9474         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9475         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9476
9477 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9478
9479         PR bootstrap/39454
9480         * cse.c (fold_rtx): Don't modify original const_arg1 when
9481         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9482         separate variable instead.
9483         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9484         from out of range shift counts.
9485         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9486
9487 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9488
9489         * config/i386/x-mingw32 (host-mingw32.o): Replace
9490         diagnostic.h with $(DIAGNOSTIC_H).
9491
9492 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9493
9494         PR target/39431
9495         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9496         predicate.
9497         * config/i386/sync.md (sync_compare_and_swap<mode>,
9498         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9499         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9500         into a register.
9501         (sync_double_compare_and_swapdi_pic,
9502         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9503         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9504
9505 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9506
9507         PR target/39445
9508         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9509
9510 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9511
9512         PR target/39327
9513         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9514         (avx_addsubv4df3): Likewise.
9515         (*avx_addsubv4sf3): Likewise.
9516         (sse3_addsubv4sf3): Likewise.
9517
9518 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9519
9520         PR target/38824
9521         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9522
9523 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9524
9525         PR debug/39432
9526         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9527         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9528         registers for allocnos created from user-defined variables.
9529
9530 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9531
9532         PR target/39181
9533         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9534         of non-integer mode as well.
9535
9536 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9537
9538         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9539         for functions for which the parameter types are unknown.
9540
9541 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9542
9543         PR target/39137
9544         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9545         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9546         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9547         * config/i386/i386.c (ix86_local_alignment): For
9548         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9549         long long variables on the stack to avoid dynamic realignment.
9550         Allow the first argument to be a decl rather than type.
9551         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9552
9553 2009-03-11  Nick Clifton  <nickc@redhat.com>
9554
9555         PR target/5362
9556         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9557         options.
9558         Add description to mno-lsim option.
9559         * config/mcore/mcore.h: Remove comment about deprecated m4align
9560         option.
9561         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9562         * doc/invoke.texi: Add description of mno-lsim and
9563         mstack-increment options.
9564
9565         * config/fr30/fr30.opt: Document the -mno-lsim option.
9566         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9567         and -mno-lsim options.
9568
9569 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9570
9571         * fold-const.c (fold_comparison): Only call fold_inf_compare
9572         if the mode supports infinities.
9573
9574 2009-03-11  Jason Merrill  <jason@redhat.com>
9575
9576         PR debug/39086
9577         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9578         end already did.  Notice GIMPLE_CALL modifications of the result.
9579         Don't copy debug information from an ignored decl or a decl from
9580         another function.
9581
9582 2009-03-10  Richard Guenther  <rguenther@suse.de>
9583             Nathan Froyd  <froydnj@codesourcery.com>
9584
9585         PR middle-end/37850
9586         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9587         (__divMODE3): Likewise.
9588
9589 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9590
9591         PR tree-optimization/39394
9592         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9593         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9594
9595 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9596
9597         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9598         inline asms for register asm ("") declarations.
9599
9600 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9601
9602         * fold-const.c (fold_unary): Fix comment.
9603
9604 2009-03-07  Jan Hubicka  <jh@suse.cz>
9605
9606         PR target/39361
9607         * tree-inline.c (setup_one_parameter): Do replacement of const
9608         argument by constant in SSA form.
9609
9610 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9611
9612         PR middle-end/38028
9613         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9614         determine alignment passed to assign_stack_local.
9615         (assign_parms_unsplit_complex): Likewise.
9616         * except.c (sjlj_build_landing_pads): Likewise.
9617
9618 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9619
9620         PR middle-end/39360
9621         * tree-flow.h (add_referenced_var): Return bool instead of void.
9622         * tree-dfa.c (add_referenced_var): Return result of
9623         referenced_var_check_and_insert call.
9624         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9625         of referenced_var_check_and_insert.
9626
9627         PR debug/39372
9628         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9629         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9630         DIE, don't emit it if abstract origin already has it.
9631         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9632         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9633
9634 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9635
9636         * genpreds.c (needs_variable): Fix parentheses at variable name
9637         detection.
9638         (write_tm_constrs_h): Indent generated code.
9639
9640 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9641
9642         * doc/extend.texi (Function Attributes): Add documentation
9643         for isr attributes.
9644
9645 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9646
9647         PR debug/39387
9648         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9649         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9650
9651 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9652
9653         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9654         the loop as bad.
9655
9656 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9657
9658         PR debug/39379
9659         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9660         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9661
9662 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9663
9664         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9665         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9666         constants instead of magic numbers.
9667         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9668         (QI_REG_P): Ditto.
9669         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9670         (x86_64_ms_abi_int_parameter_registers): Ditto.
9671         (x86_64_int_return_registers): Ditto.
9672         (ix86_maybe_switch_abi): Ditto.
9673         (ix86_expand_call): Ditto for clobbered_registers array.
9674         (ix86_hard_regno_mode_ok): Ditto.
9675         (x86_extended_QIreg_mentioned_p): Ditto.
9676
9677 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9678
9679         PR tree-optimization/39349
9680         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9681
9682         * combine.c (gen_lowpart_for_combine): Use omode when generating
9683         clobber.
9684
9685 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9686
9687         PR rtl-optimization/39235
9688         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9689
9690 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9691
9692         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9693
9694 2009-03-04  Richard Guenther  <rguenther@suse.de>
9695
9696         PR tree-optimization/39362
9697         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9698         that occur in abnormal PHIs should be varying.
9699
9700 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9701
9702         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9703         Extend comments.
9704         (simple_iv):  Take loop as an argument instead of statement.
9705         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9706         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9707         to simple_iv.
9708         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9709         Ditto.
9710         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9711         * matrix-reorg.c (analyze_transpose): Ditto.
9712         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9713         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9714         * tree-predcom.c (ref_at_iteration): Ditto.
9715         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9716
9717 2009-03-04  Richard Guenther  <rguenther@suse.de>
9718
9719         PR tree-optimization/39358
9720         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9721         escaped_id and callused_id.
9722         (solve_graph): Likewise.
9723
9724 2009-03-04  Richard Guenther  <rguenther@suse.de>
9725
9726         PR tree-optimization/39339
9727         * tree-sra.c (try_instantiate_multiple_fields): Make it
9728         no longer ICE on the above.
9729
9730 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9731
9732         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9733         that fits within Pmode.
9734
9735 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9736
9737         PR middle-end/10109
9738         * tm.texi (LIBCALL_VALUE): Update description.
9739
9740 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9741
9742         PR middle-end/34443
9743         * doc/extend.texi (section): Update description.
9744
9745 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9746
9747         PR middle-end/39345
9748         * tree-inline.c (remapped_type): New.
9749         (can_be_nonlocal): Call remapped_type instead of remap_type.
9750
9751 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9752
9753         PR fortran/39354
9754         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9755         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9756
9757 2009-03-03  Richard Guenther  <rguenther@suse.de>
9758
9759         PR middle-end/39272
9760         * tree.c (tree_nonartificial_location): New function.
9761         * tree.h (tree_nonartificial_location): Declare.
9762         * builtins.c (expand_builtin_memory_chk): Provide location
9763         of the call location for artificial function pieces.
9764         (maybe_emit_chk_warning): Likewise.
9765         (maybe_emit_sprintf_chk_warning): Likewise.
9766         (maybe_emit_free_warning): Likewise.
9767         * expr.c (expand_expr_real_1): Likewise.
9768
9769 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9770
9771         PR tree-optimization/39343
9772         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9773         COMPONENT_REF t has ARRAY_TYPE.
9774
9775 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9776
9777         PR middle-end/39335
9778         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9779         when the type precision of the induction variable should be
9780         larger than the type precision of nit.
9781         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9782         * graphite.c (graphite_loop_normal_form): Same.
9783         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9784
9785 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9786
9787         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9788         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9789         numbers to describe clobbered registers.
9790         (*call_value_0_rex64_ms_sysv): Ditto.
9791         * config/i386/mmx.md (mmx_emms): Ditto.
9792         (mmx_femms): Ditto.
9793
9794 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9795
9796         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9797         of ABI_64.
9798
9799 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9800
9801         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9802         (spu_section_type_flags): New function.
9803
9804 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9805
9806         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9807         reg_class_contents of FLOAT_REGS into a temporary.
9808
9809 2009-03-02  Richard Guenther  <rguenther@suse.de>
9810             Ira Rosen  <irar@il.ibm.com>
9811
9812         PR tree-optimization/39318
9813         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9814         information to the vectorized statement.
9815
9816 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9817
9818         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9819         variable.  Use defined names instead of magic constants for REX SSE
9820         registers.
9821
9822 2009-03-01  Richard Guenther  <rguenther@suse.de>
9823
9824         PR tree-optimization/39331
9825         * omp-low.c (lower_send_shared_vars): Do not receive new
9826         values for the reference of DECL_BY_REFERENCE parms or results.
9827
9828 2009-03-01  Jan Hubicka  <jh@suse.cz>
9829
9830         PR debug/39267
9831         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9832         BLOCK_NONLOCALIZED_VAR): New macros.
9833         (tree_block): Add nonlocalized_vars.
9834         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9835         gen_decl_die): Add origin argument.  Allow generation of die with
9836         origin at hand only.
9837         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9838         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9839         of gen_*.
9840         (gen_block_die): Fix checking for unused blocks.
9841         (process_scope_var): Break out from .... ; work with origins only.
9842         (decls_for_scope) ... here; process nonlocalized list.
9843         (dwarf2out_ignore_block): Look for nonlocalized vars.
9844         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9845         vars.
9846         (dump_scope_block): Dump them.
9847         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9848         (remap_block): Likewise.
9849         (can_be_nonlocal): New predicate.
9850         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9851
9852 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9853
9854         * configure: Regenerate.
9855
9856 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9857
9858         * optc-gen.awk: No need to duplicate option flags twice.
9859         Reuse help texts for duplicate options which do not have any.
9860
9861         * gcc.c (display_help): Document --version.
9862
9863         * gcc.c (main): If print_help_list and verbose_flag, ensure
9864         driver output comes before subprocess output.
9865
9866         * optc-gen.awk: Assign all remaining fields to help string,
9867         space-separated, for multi-line help in *.opt.
9868
9869         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9870         -Wno-pedantic-ms-format is for MinGW targets only.
9871
9872         * doc/options.texi (Option file format): Fix bad indentation,
9873         restoring dropped sentence.
9874
9875 2009-02-28  Jan Hubicka  <jh@suse.cz>
9876
9877         * tree-inline.c (tree_function_versioning): Output debug info.
9878
9879 2009-02-28  Jan Hubicka  <jh@suse.cz>
9880
9881         PR debug/39267
9882         * tree-inline.c (setup_one_parameter): Do not copy propagate
9883         arguments when not optimizing.
9884
9885 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9886
9887         PR target/39327
9888         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9889         (avx_addsubv4df3): Likewise.
9890         (*avx_addsubv4sf3): Likewise.
9891         (sse3_addsubv4sf3): Likewise.
9892         (*avx_addsubv2df3): Likewise.
9893         (sse3_addsubv2df3): Likewise.
9894         (avx_unpckhps256): Correct item selectors.
9895         (avx_unpcklps256): Likewise.
9896         (avx_unpckhpd256): Likewise.
9897         (avx_unpcklpd256): Likewise.
9898
9899 2009-02-28  Jan Hubicka  <jh@suse.cz>
9900
9901         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9902         static vars.
9903         (copy_arguments_for_versioning): If var is declared don't declare it.
9904         (tree_function_versioning): First setup substitutions and then copy
9905         args.
9906
9907 2009-02-27  Jan Hubicka  <jh@suse.cz>
9908
9909         PR debug/39267
9910         * cgraph.h (varpool_output_debug_info): Remove.
9911         * cgraphunit.c (varpool_output_debug_info): Remove.
9912         * dwarf2out.c (deferred_locations_struct): New struct
9913         (deferred_locations): New type.
9914         (deferred_locations_list): New static var.
9915         (deffer_location): New function.
9916         (gen_variable_die): Use it.
9917         (decls_for_scope): Output info on local static vars.
9918         (dwarf2out_finish): Process deferred locations.
9919         * varpool.c (varpool_output_debug_info): Remove.
9920
9921 2009-02-27  Jan Hubicka  <jh@suse.cz>
9922
9923         PR debug/39267
9924         * tree.h (TREE_PROTECTED): Fix comment.
9925         (BLOCK_HANDLER_BLOCK): Remove.
9926         (struct tree_block): Remove handler_block add body_block.
9927         (inlined_function_outer_scope_p): New.
9928         (is_body_block): Remove.
9929         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9930         * dwarf2out.c (is_inlined_entry_point): Remove.
9931         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9932         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9933         code.
9934         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9935         * gimplify.c (gimplify_expr): Gimplify body blocks.
9936         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9937         block with multiple subblocks.
9938         (dump_scope_block): Prettier output; dump more flags and info.
9939         (dump_scope_blocks): New.
9940         (remove_unused_locals): Use dump_scope_blocks.
9941         * tree-flow.h (dump_scope_blocks): Declare.
9942         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9943         * stmt.c (is_body_block): Remove.
9944         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9945         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9946
9947 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9948
9949         PR middle-end/39308
9950         * graphite.c (graphite_loop_normal_form): Do not call
9951         number_of_iterations_exit from a gcc_assert.
9952
9953 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9954
9955         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9956         jumps if COND is NULL.
9957         (find_cond_jump): New function.
9958         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9959         * config/s390/s390.md: Remove z10_cobra attribute value.
9960
9961 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9962
9963         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9964         force_const_mem returns NULL_RTX.
9965
9966 2009-02-26  Jan Hubicka  <jh@suse.cz>
9967
9968         PR debug/39267
9969         * cgraph.h (varpool_output_debug_info): Remove.
9970         * cgraphunit.c (varpool_output_debug_info): Remove.
9971         * dwarf2out.c (deferred_locations_struct): New struct
9972         (deferred_locations): New type.
9973         (deferred_locations_list): New static var.
9974         (deffer_location): New function.
9975         (gen_variable_die): Use it.
9976         (decls_for_scope): Output info on local static vars.
9977         (dwarf2out_finish): Process deferred locations.
9978         * varpool.c (varpool_output_debug_info): Remove.
9979
9980 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9981
9982         PR rtl-optimization/39241
9983         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9984         to subreg_offset_representable_p.
9985
9986 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9987
9988         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9989         execute function prototype.  Get f and nregs from max_reg_num
9990         and get_insns.  Remove the first backward pass as it's dead,
9991         guard the forward pass by flag_expensive_optimizations.
9992         (rest_of_handle_regmove): Delete.
9993         (pass_regmove): Replace it with regmove_optimize.
9994
9995 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9996
9997         PR tree-optimization/39259
9998         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9999         calls_alloca function flags.
10000         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10001         calls are detected.
10002
10003 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10004
10005         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
10006         flags_set_1_rtx, flags_set_1_set): Delete.
10007         (regmove_optimize): Do not call mark_flags_life_zones.
10008
10009 2009-02-24  Julian Brown  <julian@codesourcery.com>
10010
10011         PR target/35965
10012         * config/arm/arm.c (require_pic_register): Only set
10013         cfun->machine->pic_reg once per function.
10014
10015 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10016
10017         * doc/invoke.texi (Link Options): Document an easier way to pass
10018         options that take arguments to the GNU linker using -Xlinker and -Wl.
10019
10020 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10021
10022         PR target/33785
10023         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10024
10025 2009-02-24  Richard Guenther  <rguenther@suse.de>
10026
10027         PR debug/39285
10028         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10029
10030 2009-02-24  Richard Guenther  <rguenther@suse.de>
10031             Zdenek Dvorak  <ook@ucw.cz>
10032
10033         PR tree-optimization/39233
10034         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10035         from converting them to a generic type.
10036
10037 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10038
10039         PR tree-optimization/39260
10040         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10041         contains a condition with a real type.
10042         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10043
10044 2009-02-23  Jason Merrill  <jason@redhat.com>
10045
10046         PR c++/38880
10047         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10048         narrowing_initializer_constant_valid_p.
10049         (narrowing_initializer_constant_valid_p): Don't return
10050         null_pointer_node for adding a pointer to itself.
10051
10052 2009-02-23  Jan Hubicka  <jh@suse.cz>
10053
10054         PR c/12245
10055         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10056         resizing.
10057
10058 2009-02-23  Jan Hubicka  <jh@suse.cz>
10059
10060         PR tree-optimization/37709
10061         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10062         * tree.h (block_ultimate_origin): Declare.
10063         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10064         * tree-ssa-live.c (remove_unused_scope_block_p):
10065         Eliminate blocks containig no instructions nor live variables nor
10066         nested blocks.
10067         (dump_scope_block): New function.
10068         (remove_unused_locals): Enable removal of dead blocks by default;
10069         enable dumping at TDF_DETAILS.
10070
10071 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10072
10073         * config/i386/i386.c (classify_argument): Don't allow COImode
10074         and OImode.
10075         (function_arg_advance_32): Don't allow OImode.
10076         (function_arg_32): Likewise.
10077         (function_value_32): Likewise.
10078         (return_in_memory_32): Likewise.
10079         (function_arg_64): Remove OImode comment.
10080
10081 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10082
10083         PR target/39261
10084         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10085         ix86_expand_vector_set for V4DImode in 64bit mode only.
10086         (ix86_expand_vector_init_one_var): Likewise.
10087
10088 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10089
10090         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10091
10092 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10093
10094         PR bootstrap/39257
10095         * loop-iv.c: Revert last change.
10096         * emit-rtl.c: Likewise.
10097
10098 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10099
10100         PR target/39256
10101         * config/i386/i386.c (type_natural_mode): Remove an extra
10102         space in the warning message.
10103         (function_value_32): Handle 32-byte vector modes.
10104         (return_in_memory_32): Likewise.
10105
10106 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10107
10108         * loop-iv.c (truncate_value): New function.
10109         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10110         of lowpart_subreg.
10111         (lowpart_subreg): Move to...
10112         * emit-rtl.c: ...here.
10113
10114 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10115
10116         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10117         accidental and undocumented change at revision 140860.
10118
10119 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10120
10121         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10122         take gimple_seq * arguments.
10123         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10124         types_compatible_p langhook.
10125
10126 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10127             Joseph Myers  <joseph@codesourcery.com>
10128
10129         * config/arm/arm.c (arm_builtin_va_list): New function.
10130         (arm_expand_builtin_va_start): Likewise.
10131         (arm_gimplify_va_arg_expr): Likewise.
10132         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10133         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10134         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10135         (va_list_type): New variable.
10136         (arm_mangle_type): Mangle va_list_type appropriately.
10137
10138 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10139
10140         PR middle-end/39157
10141         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10142         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10143         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10144         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10145         parameter to 1000 for -O1 by default.
10146         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10147         parameter.
10148         * loop-invariant.c: Include params.h.
10149         (move_loop_invariants): Don't call move_single_loop_invariants on
10150         very large loops.
10151
10152 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10153
10154         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10155         offset when calculating bounds for indexing stack_usage_map.  Fixes
10156         a buffer overflow with certain target setups.
10157
10158 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10159
10160         PR target/39240
10161         * calls.c (expand_call): Clear try_tail_call if caller and callee
10162         disagree in promotion of function return value.
10163
10164 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10165
10166         PR target/39175
10167         * c-common.c (c_determine_visibility): If visibility changed and
10168         DECL_RTL has been already set, call make_decl_rtl to update symbol
10169         flags.
10170
10171 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10172
10173         PR c++/39188
10174         * varasm.c (assemble_variable): Don't check DECL_NAME when
10175         globalizing a variable.
10176
10177 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10178
10179         PR c/38483
10180         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10181         expression before any __builtin_trap call.
10182         * c-typeck.c (build_function_call): Convert and check function
10183         arguments before generating a call to a trap.  Evaluate the
10184         function arguments before the trap.
10185
10186 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10187
10188         PR target/39228
10189         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10190         (UNSPEC_FXAM_MEM): New unspec.
10191         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10192         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10193         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10194
10195 2009-02-19  Richard Guenther  <rguenther@suse.de>
10196
10197         PR tree-optimization/39207
10198         PR tree-optimization/39074
10199         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10200         storedanything_tree): New.
10201         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10202         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10203         (build_succ_graph): Add edges from STOREDANYTHING to all
10204         non-direct nodes.
10205         (init_base_vars): Initialize STOREDANYTHING.
10206         (compute_points_to_sets): Free substitution info after
10207         building the succ graph.
10208         (ipa_pta_execute): Likewise.
10209
10210         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10211         field.
10212         (do_ds_constraint): Do not add to special var or non-pointer
10213         field solutions.
10214         (type_could_have_pointers): Split out from ...
10215         (could_have_pointers): ... here.  For arrays use the element type.
10216         (create_variable_info_for): Initialize may_have_pointers.
10217         (new_var_info): Likewise.
10218         (handle_lhs_call): Make the HEAP variable unknown-sized.
10219         (intra_create_variable_infos): Use a type with pointers for
10220         PARM_NOALIAS, make it unknown-sized.
10221
10222 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10223
10224         PR target/39224
10225         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10226
10227 2009-02-18  Jason Merrill  <jason@redhat.com>
10228
10229         PR target/39179
10230         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10231         value if DECL_EXTERNAL.
10232         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10233         * target.h (gcc_target::binds_local_p): Clarify "module".
10234         * tree.h (TREE_PUBLIC): Clarify "module".
10235
10236 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10237
10238         PR target/38891
10239         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10240         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10241
10242 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10243
10244         PR target/39082
10245         * c.opt (Wabi): Support C and ObjC.
10246         (Wpsabi): New.
10247
10248         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10249
10250         * config/i386/i386.c (classify_argument): Warn once about the ABI
10251         change when passing union with long double.
10252
10253         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10254
10255 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10256
10257         PR c/35447
10258         * c-parser.c (c_parser_compound_statement): Always enter and leave
10259         a scope.
10260
10261 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10262
10263         PR target/34587
10264         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10265
10266 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10267
10268         PR tree-optimization/36922
10269         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10270         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10271         Likewise.
10272
10273 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10274
10275         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10276         to 0 for EABI64.
10277
10278 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10279
10280         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10281
10282 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10283
10284         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10285         tree sharing.
10286
10287 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10288             Richard Sandiford  <rdsandiford@googlemail.com>
10289
10290         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10291         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10292         (loongson_biadd): ...this.
10293
10294 2009-02-17  Richard Guenther  <rguenther@suse.de>
10295
10296         PR tree-optimization/39202
10297         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10298         a var make sure to follow existing collapses.
10299
10300 2009-02-17  Richard Guenther  <rguenther@suse.de>
10301
10302         PR middle-end/39214
10303         * langhooks.c (lhd_print_error_function): Check for NULL block.
10304
10305 2009-02-17  Richard Guenther  <rguenther@suse.de>
10306
10307         PR tree-optimization/39204
10308         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10309         of the PHI arg.
10310
10311 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10312
10313         * config/soft-fp/double.h: Update from glibc CVS.
10314
10315 2009-02-17  Richard Guenther  <rguenther@suse.de>
10316
10317         PR tree-optimization/39207
10318         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10319         strict-aliasing warnings for pointers pointing to NULL.
10320
10321 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10322
10323         PR c/35446
10324         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10325         skipping until next close brace.
10326
10327 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10328
10329         PR target/37049
10330         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10331         to function argument boundary.
10332
10333 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10334
10335         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10336         in the lea_add. Reload eventually constraints it properly.
10337         * config/picochip/constraints.md: Remove the target constraint
10338         "b", since it is not needed anymore.
10339
10340 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10341
10342         * gthr-dce.h: Uglify function parameter and local variable names.
10343         * gthr-gnat.h: Likewise.
10344         * gthr-mipssde.h: Likewise.
10345         * gthr-nks.h: Likewise.
10346         * gthr-posix95.h: Likewise.
10347         * gthr-posix.h: Likewise.
10348         * gthr-rtems.h: Likewise.
10349         * gthr-single.h: Likewise.
10350         * gthr-solaris.h: Likewise.
10351         * gthr-tpf.h: Likewise.
10352         * gthr-vxworks.h: Likewise.
10353         * gthr-win32.h: Likewise.
10354
10355 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10356
10357         PR target/39196
10358         * config/i386/i386.md: Restrict the new peephole2 to move
10359         between MMX/SSE registers.
10360
10361 2009-02-15  Richard Guenther  <rguenther@suse.de>
10362
10363         Revert
10364         2009-02-13  Richard Guenther  <rguenther@suse.de>
10365
10366         * configure.ac: Enable LFS.
10367         * configure: Re-generate.
10368         * config.in: Likewise.
10369
10370 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10371
10372         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10373         spu_srqwbyte, spu_srqwbytebc): Define.
10374         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10375         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10376         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10377         "shrqby_<mode>"): New insn-and-split patterns.
10378         * config/spu/spu.c (expand_builtin_args): Determine and return
10379         number of operands using spu_builtin_description data.
10380         (spu_expand_builtin_1): Use it.
10381
10382 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10383
10384         PR target/38056
10385         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10386         TARGET_CONST_GP.
10387
10388 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10389
10390         PR target/39149
10391         * config/i386/i386.c (override_options): Correct warning
10392         messages for -malign-loops, -malign-jumps and -malign-functions.
10393
10394 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10395
10396         PR target/39152
10397         * config/i386/i386.md: Restrict the new peephole2 to move
10398         between the general purpose registers.
10399
10400 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10401
10402         PR target/39162
10403         * config/i386/i386.c (type_natural_mode): Add a new argument.
10404         Return the original mode and warn ABI change if vector size is 32byte.
10405         (function_arg_advance): Updated.
10406         (function_arg): Likewise.
10407         (ix86_function_value): Likewise.
10408         (ix86_return_in_memory): Likewise.
10409         (ix86_sol10_return_in_memory): Likewise.
10410         (ix86_gimplify_va_arg): Likewise.
10411         (function_arg_32): Don't warn ABX ABI change here.
10412         (function_arg_64): Likewise.
10413
10414 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10415
10416         * loop-iv.c (implies_p): In the final case, test that operands 0
10417         of the two comparisons match.
10418
10419         * config/bfin/bfin.c (find_prev_insn_start): New function.
10420         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10421         (find_next_insn_start): Move.
10422
10423 2009-02-13  Richard Guenther  <rguenther@suse.de>
10424
10425         * configure.ac: Enable LFS.
10426         * configure: Re-generate.
10427         * config.in: Likewise.
10428
10429 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10430
10431         PR c/35444
10432         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10433         sizes on syntax error after some arguments have been parsed.
10434
10435 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10436
10437         * doc/invoke.texi (-fira): Remove.
10438
10439 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10440
10441         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10442         * recog.c: Likewise.
10443         * rtl.h: Likewise.
10444
10445 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10446
10447         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10448         (umul_ppmm): Likewise.
10449         (count_leading_zeros): Likewise.
10450         (count_trailing_zeros): Likewise.
10451         (UMUL_TIME): Likewise.
10452
10453 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10454
10455         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10456         soft-fp/t-softfp to tmake_file.
10457
10458         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10459         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10460         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10461         IA64_BUILTIN_INFQ]: New.
10462         (ia64_init_builtins): Initialize __builtin_infq,
10463         __builtin_fabsq and __builtin_copysignq if not HPUX.
10464         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10465         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10466
10467         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10468         SHARED is defined.
10469         (__fixtfti): Likewise.
10470         (__fixunstfti): Likewise.
10471         (__floattitf): Likewise.
10472
10473         * config/ia64/libgcc-glibc.ver: New.
10474         * config/ia64/t-fprules-softfp: Likewise.
10475         * config/ia64/sfp-machine.h: Likewise.
10476
10477         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10478         (LIBGCC2_TF_CEXT): Likewise.
10479         (TF_SIZE): Likewise.
10480         (TARGET_INIT_LIBFUNCS): Likewise.
10481
10482         * config/ia64/t-glibc (SHLINB_MAPFILES):
10483         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10484
10485 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10486
10487         * config/i386/i386.c (construct_container): Rewrite processing
10488         BLKmode with X86_64_SSE_CLASS.
10489
10490 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10491
10492         PR target/39152
10493         * config/i386/i386.md: Replace simplify_replace_rtx with
10494         replace_rtx in the new peephole2.
10495
10496 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10497
10498         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10499         loop unrolling do not happen at -O2.
10500
10501 2009-02-12  Michael Matz  <matz@suse.de>
10502
10503         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10504
10505 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10506
10507         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10508         for -g3.
10509
10510 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10511
10512         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10513         patterns when updating the back chain.  Missed in the 2009-02-10
10514         change.
10515
10516 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10517
10518         * doc/extend.texi (Decimal Floating Types): Update identifier of
10519         draft TR and list of missing support.
10520
10521 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10522
10523         PR middle-end/39154
10524         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10525         bit to variable length decl's flags, add it also to its
10526         pointer replacement variable.
10527
10528 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10529             Jakub Jelinek  <jakub@redhat.com>
10530
10531         PR target/39118
10532         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10533         (memory_blockage): New expander.
10534         (*memory_blockage): New insn pattern.
10535         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10536         instead of general blockage at the end of function prologue when
10537         frame pointer is used to access red zone area.  Do not emit blockage
10538         when profiling, it is emitted in generic code.
10539         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10540         function epilogue when frame pointer is used to access red zone area.
10541
10542 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10543
10544         PR target/38824
10545         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10546         by arithmetic with memory operands.
10547         * config/i386/predicates.md (commutative_operator): New.
10548
10549 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10550
10551         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10552         bulleted lists.
10553
10554 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10555
10556         * alias.h (record_alias_subset): Declare.
10557         * alias.c (record_alias_subset): Make global.
10558
10559 2009-02-10  Nick Clifton  <nickc@redhat.com>
10560
10561         * tree-parloops.c: Change license to GPLv3.
10562         * ipa-struct-reorg.c: Change license to GPLv3.
10563         * ipa-struct-reorg.h: Change license to GPLv3.
10564
10565 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10566
10567         PR c/39084
10568         * c-decl.c (start_struct): Return NULL on error.
10569
10570 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10571
10572         PR middle-end/39124
10573         * cfgloopmanip.c (remove_path): Call remove_bbs after
10574         cancel_loop_tree, not before it.
10575
10576         PR target/39139
10577         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10578         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10579         VAR_DECLs were seen.
10580         * tree-ssa-live.c (remove_unused_locals): Recompute
10581         cfun->has_local_explicit_reg_vars.
10582         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10583         copies or clearings if cfun->has_local_explicit_reg_vars.
10584
10585 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10586
10587         PR target/39118
10588         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10589         of function prologue when frame pointer is used to access
10590         red zone area.
10591
10592 2009-02-10  Richard Guenther  <rguenther@suse.de>
10593
10594         PR middle-end/39127
10595         * gimplify.c (gimple_regimplify_operands): Always look if
10596         we need to create a temporary.
10597
10598 2009-02-10  Richard Guenther  <rguenther@suse.de>
10599
10600         PR tree-optimization/39132
10601         * tree-loop-distribution.c (todo): New global var.
10602         (generate_memset_zero): Trigger TODO_rebuild_alias.
10603         (tree_loop_distribution): Return todo.
10604
10605 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10606
10607         PR target/39119
10608         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10609         (x86_64_reg_class_name): Removed.
10610         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10611         first one isn't X86_64_SSE_CLASS or any other ones aren't
10612         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10613         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10614         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10615         and 3 X86_64_SSEUP_CLASS.
10616         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10617         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10618
10619 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10620
10621         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10622         form instruction to update the stack back chain word, even if the
10623         user has disabled the generation of update instructions.
10624         (movdi_<mode>_update_stack): New.
10625         (movsi_update_stack): Likewise.
10626         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10627         always use an update form instruction to update the stack back
10628         chain word.
10629
10630 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10631
10632         PR middle-end/38953
10633         * graphite.c (if_region_set_false_region): After moving a region in
10634         the false branch of a condition, remove the empty dummy basic block.
10635         (gloog): Remove wrong fix for PR38953.
10636
10637 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10638
10639         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10640         generation due to implicit sign extension.
10641
10642 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10643
10644         PR middle-end/38981
10645         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10646         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10647
10648 2009-02-09  Richard Guenther  <rguenther@suse.de>
10649
10650         PR middle-end/35202
10651         * convert.c (convert_to_real): Disable (float)fn((double)x)
10652         to fnf(x) conversion if errno differences may occur and
10653         -fmath-errno is set.
10654
10655 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10656
10657         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10658         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10659         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10660
10661 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10662
10663         PR c/35434
10664         * c-common.c (handle_alias_attribute): Disallow attribute for
10665         anything not a FUNCTION_DECL or VAR_DECL.
10666
10667 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10668
10669         PR c/39035
10670         * real.c (do_compare): Special-case compare of zero against
10671         decimal float value.
10672
10673 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10674
10675         PR c/36432
10676         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10677         as indicating flexible array members unless the field itself is
10678         being declarared as the incomplete array.
10679
10680 2009-02-06  Jan Hubicka  <jh@suse.cz>
10681
10682         PR tree-optimization/38844
10683         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10684         is already inlined.
10685
10686 2009-02-06  Richard Guenther  <rguenther@suse.de>
10687
10688         PR middle-end/38977
10689         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10690         fork because we may expand it as __gcov_fork.
10691
10692 2009-02-06  Nick Clifton  <nickc@redhat.com>
10693
10694         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10695
10696 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10697
10698         PR tree-optimization/35659
10699         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10700         vn_phi_eq): Shortcut if hashcode does not match.
10701         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10702         NULL operands.
10703         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10704         and avoid iterative_hash_expr.
10705         (FOR_EACH_VALUE_ID_IN_SET): New.
10706         (value_id_compare): Remove.
10707         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10708         sort expressions by value id.
10709
10710 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10711
10712         PR target/38991
10713         * config/sh/predicates.md (general_movsrc_operand): Don't check
10714         the subreg of system registers here.
10715
10716 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10717
10718         PR c++/39106
10719         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10720         on the copied decl.
10721
10722 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10723
10724         PR rtl-optimization/39110
10725         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10726         addresses, not aligned ones.
10727
10728 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10729             Richard Guenther  <rguenther@suse.de>
10730
10731         PR tree-optimization/39100
10732         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10733         comment says and add edges.
10734
10735 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10736
10737         PR c/35435
10738         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10739         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10740
10741 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10742
10743         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10744         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10745         register_bb_in_sese, new_sese, free_sese): Moved.
10746         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10747         outermost_loop_in_scop, build_scop_iteration_domain,
10748         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10749         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10750         Use loop_in_sese_p instead of loop_in_scop_p.
10751         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10752         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10753         (scopdet_basic_block_info): Fix bug in scop detection.
10754         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10755         eq_loop_to_cloog_loop): Remove.
10756         (nb_loops_around_loop_in_scop, nb_loop
10757         ref_nb_loops): Moved here...
10758         * graphite.h (ref_nb_loops): ... from here.
10759         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10760         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10761         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10762         * testsuite/gcc.dg/graphite/scop-19.c: New
10763
10764 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10765             Hans-Peter Nilsson  <hp@axis.com>
10766
10767         PR rtl-optimization/37889
10768         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10769         Move offset handling from PLUS to before the switch.  Use new
10770         arguments when considering SYMBOL_REFs too.
10771         (rtx_addr_can_trap_p): Pass dummy offset and size.
10772         (enum may_trap_p_flags): Remove.
10773         (may_trap_p_1): Pass size from MEM_SIZE.
10774
10775         PR rtl-optimization/38921
10776         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10777         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10778         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10779         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10780
10781 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10782
10783         AVX Programming Reference (January, 2009)
10784         * config/i386/sse.md (*vpclmulqdq): New.
10785
10786 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10787
10788         PR tree-optimization/38977
10789         PR gcov-profile/38292
10790         * calls.c (special_function_p): Disregard __builtin_ prefix.
10791
10792 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10793
10794         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10795         non-indexable addresses even before reload.
10796
10797 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10798
10799         PR c/29129
10800         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10801         as having variable size.  Do not give an error for unnamed
10802         parameters with [*] declarators.  Give a warning for type names
10803         with [*] declarators and mark them as variable size.
10804         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10805         for sizeof applied to [*] type names.
10806
10807 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10808
10809         PR C++/36607
10810         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10811
10812 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10813
10814         * gcc.c (process_command): Update copyright notice dates.
10815         * gcov.c (print_version): Likewise.
10816         * gcov-dump.c (print_version): Likewise.
10817         * mips-tfile.c (main): Likewise.
10818         * mips-tdump.c (main): Likewise.
10819
10820 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10821
10822         PR c/35433
10823         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10824         for composite type involving a zero-length array type.
10825
10826 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10827
10828         PR target/35318
10829         * function.c (match_asm_constraints_1): Skip over
10830         initial optional % in the constraint.
10831
10832         PR inline-asm/39059
10833         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10834         supported, don't accept FIXED_CSTs.
10835         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10836         and _Sat is used without _Fract/_Accum.  Set specs->type to
10837         integer_type_node for cts_fract/cts_accum if fixed point is not
10838         supported.
10839
10840 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10841
10842         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10843
10844 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10845
10846         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10847         (ABI_HAS_64BIT_SYMBOLS): Use it.
10848         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10849
10850 2009-02-02  Paul Brook  <paul@codesourcery.com>
10851
10852         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10853
10854 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10855
10856         PR inline-asm/39058
10857         * recog.h (asm_operand_ok): Add constraints argument.
10858         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10859         recurse on matching constraint.
10860         (check_asm_operands): Pass constraints as 3rd argument to
10861         asm_operand_ok.  Don't look up matching constraint here.
10862         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10863         to asm_operand_ok.
10864
10865 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10866
10867         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10868         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10869
10870 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10871
10872         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10873         information.  Remove some obsolete information.  Reorganize.
10874
10875         * config/pa/fptr.c: Revert license to GPL 2.
10876         * config/pa/milli64.S: Likewise.
10877
10878 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10879
10880         PR target/38904
10881         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10882         LIBRARY name in, instead of hard-coding it.
10883         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10884         extra target make frag to tmake_files according to EH model.
10885         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10886         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10887         frags that define makefile variable EH_MODEL appropriately.
10888         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10889         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10890         to "-sjlj" according to type of EH configured.
10891         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10892         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10893         to "_sjlj" according to type of EH configured.
10894         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10895         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10896         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10897         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10898         string value of "pe_dll" command-line option.
10899         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10900         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10901         (SHLIB_IMPLIB):  Override t-cygming default.
10902         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10903         string value of "pe_dll" command-line option.
10904
10905 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10906
10907         PR target/38952
10908         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10909         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10910
10911 2009-01-31  Richard Guenther  <rguenther@suse.de>
10912
10913         PR tree-optimization/38937
10914         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10915         computing the transitive closure.
10916
10917 2009-01-30  Richard Guenther  <rguenther@suse.de>
10918
10919         PR tree-optimization/39041
10920         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10921         Propagate variable indices only if the types match for this stmt.
10922
10923 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10924
10925         PR target/39013
10926         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10927         inline but never defined.
10928
10929 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10930
10931         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10932         (*insv_h_di_reg_extimm): New insn.
10933         (*insv_l<mode>_reg_extimm): New insn.
10934
10935 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10936
10937         * config/picochip/picochip.c (flag_conserve_stack): set
10938         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10939         fconserve-stack. Reduce call-overhead used by inliner.
10940
10941 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10942
10943         PR/38157
10944         * common.opt (flag_conserve_stack): Initialised to zero.
10945
10946 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10947
10948         PR/39002
10949         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10950         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10951         method.
10952
10953 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10954
10955         * ira-color.c (allocno_reload_assign): Update comments.
10956         * regmove.c (regmove_optimize): Likewise.
10957
10958         * ra.h: Removed.
10959
10960 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10961
10962         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10963         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10964         `MD_UNWIND_SUPPORT'.
10965         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10966
10967 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10968
10969         PR tree-optimization/39007
10970         * tree-loop-distribution.c (generate_builtin): Use
10971         recompute_dominator to compute the immediate dominator of the
10972         basic block just after the loop.
10973
10974 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10975
10976         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10977         (ASM_OUTPUT_DWARF_PCREL): Define.
10978
10979 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10980
10981         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10982         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10983         global.  Modify entries about regmove and IRA.
10984
10985         * ra-conflict.c: Remove the file.
10986
10987         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10988
10989         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10990         (pass_regclass_init): Rename to pass_reginfo_init.
10991
10992         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10993
10994         * toplev.h (flag_ira): Remove.
10995
10996         * caller-save.c (setup_save_areas): Remove flag_ira.
10997
10998         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10999
11000         * global.c: Remove the file.
11001
11002         * opts.c (decode_options): Remove flag_ira.
11003
11004         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
11005
11006         * regmove.c: Modify file description.
11007         (find_use_as_address, try_auto_increment): Define them only if
11008         AUTO_INC_DEC is defined.
11009         (replacement_quality, replace_in_call_usage, fixup_match_1,
11010         stable_and_no_regs_but_for_p): Remove.
11011         (reg_set_in_bb): Make it static.
11012         (regmove_optimize): Remove flag_ira and code which worked for
11013         !flag_ira.
11014
11015         * local-alloc.c: Remove the file.
11016
11017         * common.opt (fira): Remove.
11018
11019         * ira.c: Include except.h.
11020         (eliminable_regset): Move from global.c.
11021         (mark_elimination): Ditto.  Remove flag_ira.
11022         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11023         equiv_mem_modified, validate_equiv_mem_from_store,
11024         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11025         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11026         no_equiv, recorded_label_ref): Move from local-alloc.c.
11027         (update_equiv_regs): Ditto.  Make it static.
11028         (print_insn_chain, print_insn_chains): Move it from global.c.
11029         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11030         (build_insn_chain): Ditto.  Make it static.
11031         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11032         Rename to init_live_subregs.
11033         (gate_ira): Remove flag_ira.
11034
11035         * regclass.c: Rename reginfo.c.  Change file description.
11036         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11037         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11038         (init_reg_sets_1): Remove code for evaluation of
11039         reg_class_superclasses and losing_caller_save_reg_set.
11040         (init_regs): Remove init_reg_autoinc.
11041         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11042         ok_for_base_p_nonstrict): Remove.
11043         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11044         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11045         corresponding entries.
11046         (dump_regclass, record_operand_costs, scan_one_insn,
11047         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11048         record_address_regs, auto_inc_dec_reg_p): Remove.
11049         (gt-regclass.h): Rename to gt-reginfo.h.
11050
11051         * rtl.h (dump_global_regs, retry_global_alloc,
11052         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11053
11054         * Makefile.in (RA_H): Remove.
11055         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11056         Rename regclass.o to reginfo.o.
11057         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11058         gt-reginfo.h.
11059         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11060         (GTFILES): Rename regclass.c to reginfo.c.
11061
11062         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11063         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11064
11065         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11066         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11067         Remove flag_ira.
11068         (finish_spills): Ditto.  Remove code for !flag_ira.
11069
11070 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11071
11072         PR middle-end/35854
11073         * doc/invoke.texi (rtl debug options): Complete rewrite.
11074         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11075         to auto_inc_dec".
11076         * mode-switching.c (pass_mode_switching): Rename pass from
11077         "mode-sw" to "mode_sw".
11078         * except.c (pass_convert_to_eh_ranges): Rename pass from
11079         "eh-ranges" to "eh_ranges".
11080         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11081         to "subreg1".
11082
11083
11084 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11085             Alexander Monakov  <amonakov@ispras.ru>
11086
11087         PR middle-end/38857
11088         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11089         register.
11090         (move_exprs_to_boundary): Change return type and pass through
11091         should_move from move_op.  Relax assert.  Update usage ...
11092         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11093         cant_move.
11094         (move_op_orig_expr_found): Indicate that insn was disconnected from
11095         stream.
11096         (code_motion_process_successors): Do not call after_merge_succs
11097         callback if original expression was not found when traversing any of
11098         the branches.
11099         (code_motion_path_driver): Change return type.  Update prototype.
11100         (move_op): Update comment.  Add a new parameter (should_move).  Update
11101         prototype.  Set *should_move based on indication provided by
11102         move_op_orig_expr_found.
11103
11104 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11105
11106         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11107         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11108         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11109         * config/rs6000/rs6000.c (rs6000_override_options): Default
11110         avoid-indexed-addresses on for Power6, off for everything else.
11111         (avoiding_indexed_address_p): New function.
11112         (rs6000_legitimize_address): Use it.
11113         (rs6000_legitimate_address): Likewise.
11114         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11115
11116 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11117
11118         PR tree-optimization/38997
11119         * tree-loop-distribution.c (generate_memset_zero): Use
11120         POINTER_PLUS_EXPR for a pointer addition.
11121
11122 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11123
11124         * config/s390/s390.md (bswap<mode>2): New pattern added.
11125
11126 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11127
11128         * config/s390/s390.md (*tls_load_31): Added type attribute.
11129
11130 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11131
11132         * config/s390/s390.md: Fix a few comments.
11133
11134 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11135
11136         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11137         (*tm<mode>_full): Fixed z10prop attribute.
11138         (*tst<mode>_extimm): Fixed z10prop attribute.
11139         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11140         (*tstqiCCT_cconly): Fixed z10prop attribute.
11141         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11142         (*movsi_larl): Fixed z10prop attribute.
11143         (*movsi_zarch): Fixed z10prop attribute.
11144         (*movsi_eas): Fixed z10prop attribute.
11145         (*movhi): Fixed z10prop attribute.
11146         (*movqi): Fixed z10prop attribute.
11147         (*movstrictqi): Fixed z10prop attribute.
11148         (*mov<mode>): Fixed z10prop attribute.
11149         (*movcc): Fixed z10prop attribute.
11150         (*sethighpartdi_64): Fixed z10prop attribute.
11151         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11152         (*negdi2_sign_cc): Fixed z10prop attribute.
11153         (*negdi2_sign): Fixed z10prop attribute.
11154         (*absdi2_sign_cc): Fixed z10prop attribute.
11155         (*absdi2_sign): Fixed z10prop attribute.
11156         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11157         (*negabsdi2_sign): Fixed z10prop attribute.
11158         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11159         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11160         (doloop_si64): Fixed z10prop attribute.
11161         (doloop_si31): Fixed z10prop attribute.
11162         (doloop_long): Fixed z10prop attribute.
11163         (indirect_jump): Fixed z10prop attribute.
11164         (nop): Fixed z10prop attribute.
11165         (main_base_64): Fixed z10prop attribute.
11166         (reload_base_64): Fixed z10prop attribute.
11167
11168 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11169
11170         PR rtl-optimization/38740
11171         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11172         if !optimize.
11173         * config/mips/mips.c (mips_reorg): Likewise.
11174
11175 2009-01-28  Richard Guenther  <rguenther@suse.de>
11176
11177         PR tree-optimization/38926
11178         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11179         with the correct value id to a value.
11180         (do_regular_insertion): Use the value number of edoubleprime
11181         for the value number of the expr.
11182
11183         Revert
11184         2008-08-21  Richard Guenther  <rguenther@suse.de>
11185
11186         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11187         a PHI ask VN if it is already available.
11188         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11189         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11190
11191 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11192
11193         PR middle-end/38934
11194         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11195         set to varying whenever max has TREE_OVERFLOW set, similarly
11196         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11197
11198 2009-01-28  Richard Guenther  <rguenther@suse.de>
11199
11200         PR middle-end/38908
11201         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11202         uninitialized aggregate uses in call arguments.
11203
11204 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11205
11206         PR tree-optimization/38984
11207         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11208         the nothing_id variable if -fno-delete-null-pointer-checks.
11209
11210 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11211
11212         PR target/38988
11213         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11214         (set_got_offset_rex64): Ditto.
11215
11216 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11217
11218         PR target/38941
11219         * doc/extend.texi: Improve local variable with asm reg.
11220
11221 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11222
11223         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11224         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11225         was not supplied then set warn_packed_bitfield_compat to the
11226         default value of 1.
11227         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11228         against 1.
11229
11230 2009-01-27  Richard Guenther  <rguenther@suse.de>
11231
11232         PR tree-optimization/38503
11233         * cfgexpand.c (expand_gimple_basic_block): Ignore
11234         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11235         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11236         variables that cannot have TBAA applied.
11237         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11238         statements.
11239
11240 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11241
11242         PR middle-end/38969
11243         * calls.c (initialize_argument_information): Do not wrap complex
11244         arguments in SAVE_EXPR.
11245
11246 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11247
11248         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11249         (INSTALL_LIBGCC): Revert typo commit.
11250
11251 2009-01-26  Richard Guenther  <rguenther@suse.de>
11252
11253         PR tree-optimization/38745
11254         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11255         from special handling.
11256
11257 2009-01-26  Richard Guenther  <rguenther@suse.de>
11258
11259         PR tree-optimization/38745
11260         * tree-ssa.c (execute_update_addresses_taken): Do not include
11261         variables that cannot possibly be a register in not_reg_needs.
11262         Do not clear TREE_ADDRESSABLE on vars that may not become
11263         registers.
11264         * tree-ssa.c (update_alias_info_1): Include those in the set
11265         of addressable vars.
11266
11267 2009-01-26  Richard Guenther  <rguenther@suse.de>
11268
11269         PR middle-end/38851
11270         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11271         * tree-ssa-dse.c: Include langhooks.h
11272         (execute_simple_dse): Remove stores with zero size.
11273
11274 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11275
11276         PR c/38957
11277         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11278         as PLUS_EXPR.
11279
11280 2009-01-24  Julian Brown  <julian@codesourcery.com>
11281
11282         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11283         config/arm/linux-atomic.c.
11284         * config/arm/linux-atomic.c: New.
11285
11286 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11287
11288         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11289         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11290         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11291
11292 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11293
11294         PR c/38938
11295         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11296         properly.
11297
11298 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11299
11300         PR tree-optimization/38953
11301         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11302         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11303         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11304         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11305         changed the CFG.
11306
11307 2009-01-24  Paul Brook  <paul@codesourcery.com>
11308
11309         * config/arm/neon.md (neon_type): Move to arm.md.
11310         (neon_mov<VSTRUCT>): Add neon_type attribute.
11311         * config/arm/arm.md (neon_type): Move to here.
11312         (conds): Add "unconditioal" and use as default for NEON insns.
11313
11314 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11315
11316         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11317         void *' warning from -Wc++-compat.
11318         * Makefile.in (dominance.o-warn): Remove.
11319
11320 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11321
11322         PR tree-optimization/38932
11323         * fold-const.c (fold_unary_ignore_overflow): New.
11324         * tree.h (fold_unary_ignore_overflow): Declare.
11325         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11326         * tree-ssa-sccvn.c (visit_reference_op_load,
11327         simplify_unary_expression): Likewise.
11328
11329 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11330
11331         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11332         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11333         regardless of their type.
11334         * c-common.c (handle_packed_attribute): Don't ignore packed on
11335         bitfields.
11336         * c.opt (Wpacked-bitfield-compat): New warning option.
11337         * stor-layout.c (place_field): Warn if offset of a field changed.
11338         * doc/extend.texi (packed): Mention the ABI change.
11339         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11340         (Warning Options): Add it to the list.
11341
11342 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11343
11344         * c-opts.c (c_common_post_options): Fix a typo in comments.
11345
11346 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11347
11348         PR middle-end/38615
11349         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11350         variables to static.
11351         * doc/invoke.texi (-fmerge-all-constants): Update description.
11352
11353 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11354
11355         PR target/38931
11356         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11357         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11358
11359 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11360
11361         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11362         a word boundary.
11363         (LOCAL_ALIGNMENT): Similarly.
11364
11365 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11366             Joseph Myers  <joseph@codesourcery.com>
11367
11368         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11369         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11370         * config/arm/arm-tune.md: Regenerate.
11371         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11372         -march=iwmmxt2.
11373
11374 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11375
11376         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11377         version number to five.
11378
11379 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11380
11381         PR c++/38930
11382         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11383         * c-common.c (set_underlying_type): Likewise.
11384         (is_typedef_decl ): Likewise
11385         * tree.h: Likewise
11386         (set_underlying_type): Likewise.
11387         (is_typedef_type): Likewise.
11388
11389 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11390
11391         PR middle-end/38587
11392         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11393         crossing setjmps.
11394
11395 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11396
11397         PR bootstrap/37660
11398         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11399         (LIBGCC_SPEC):  Don't define.
11400         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11401
11402 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11403
11404         PR rtl-optimization/38879
11405         * alias.c (base_alias_check): Unaligned access via AND address can
11406         alias all surrounding object types except those with sizes equal
11407         or wider than the size of unaligned access.
11408
11409 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11410
11411         PR c++/26693
11412         * c-decl.c (clone_underlying_type): Move this ...
11413         * c-common.c (set_underlying_type): ... here.
11414         Also, make sure the function properly sets TYPE_STUB_DECL() on
11415         the newly created typedef variant type.
11416         (is_typedef_decl ): New entry point.
11417         * tree.h: Added a new member member_types_needing_access_check to
11418         struct tree_decl_non_common.
11419         (set_underlying_type): New entry point.
11420         (is_typedef_type): Likewise.
11421
11422 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11423
11424         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11425         Check whether two instructions have memory references that
11426         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11427         are helper functions for traversing.
11428         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11429         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11430         not to draw dependency edge for instructions with non-conflicting
11431         alias sets.
11432
11433 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11434
11435         PR other/38758
11436         * longlong.h: Update copyright years.  Use soft-fp license notice.
11437         Sync __clz_tab declaration with glibc.
11438
11439 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11440
11441         PR target/30687
11442         * doc/extend.texi (syscall_linkage): New.
11443         (version_id): Modify.
11444
11445 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11446             Richard Guenther  <rguenther@suse.de>
11447
11448         PR tree-optimization/38747
11449         PR tree-optimization/38748
11450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11451         conversion if the base address is an indirect reference and the
11452         aliasing sets could cause issues.
11453
11454 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11455
11456         * common.opt (fgraphite, fgraphite-identity): Add comment for
11457         explaining why these options are not documented.
11458
11459 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11460
11461         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11462         gimple_call_lhs is NULL.
11463
11464 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11465
11466         PR target/38868
11467         * emit-rtl.c (adjust_address_1): Make sure memref is never
11468         overwritten.
11469
11470 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11471
11472         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11473         const qualifier from arg parameter. Remove unnecessary cast to char *.
11474         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11475         const qualifier from arg 2.
11476
11477 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11478
11479         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11480
11481 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11482
11483         PR c/38869
11484         * rtl.h (reinit_regs): New prototype.
11485         * regclass.c: Include ira.h.
11486         (reinit_regs): New.
11487         * Makefile.in (regclass.o): Add ira.h.
11488         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11489
11490 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11491
11492         PR target/38736
11493         * c-common.c (handle_aligned_attribute): Use
11494         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11495         default alignment value.
11496
11497         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11498
11499         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11500         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11501
11502         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11503         __BIGGEST_ALIGNMENT__.
11504
11505         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11506
11507 2009-01-18  Richard Guenther  <rguenther@suse.de>
11508
11509         PR tree-optimization/38819
11510         * tree-flow.h (operation_could_trap_helper_p): Declare.
11511         * tree-eh.c (operation_could_trap_helper_p): Export.
11512         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11513         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11514         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11515         are about to insert a possibly trapping instruction and fail
11516         in this case.
11517
11518 2009-01-18  Andreas Schwab  <schwab@suse.de>
11519
11520         * doc/install.texi (Configuration): Remove obsolete paragraph
11521         about use of --with-gnu-ld with --with-gnu-as.
11522
11523 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11524
11525         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11526         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11527         Follow spelling conventions.
11528
11529 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11530
11531         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11532         C++ warning about implicit conversion from void * to struct
11533         bitmap_head_def *.
11534         (bitmap_obstack_free): Likewise for bitmap_element *.
11535         * Makefile.in (bitmap.o-warn): Remove.
11536
11537 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11538
11539         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11540
11541 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11542             Tobias Grosser  <tobi.grosser@amd.com>
11543
11544         * graphite.c (graphite_trans_scop_block): Do not block single
11545         nested loops.
11546
11547 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11548
11549         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11550         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11551         test with assertion.
11552
11553 2009-01-16  Richard Guenther  <rguenther@suse.de>
11554
11555         PR tree-optimization/38835
11556         PR middle-end/36227
11557         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11558         and INT + PTR -> (INT)(PTR p+ INT) folding.
11559         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11560
11561 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11562
11563         PR target/38554
11564         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11565         the subreg from a lowpart subreg if it is also casting the value.
11566
11567 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11568             Tobias Grosser  <tobi.grosser@amd.com>
11569
11570         * graphite.c (compare_prefix_loops): New.
11571         (build_scop_canonical_schedules): Rewritten.
11572         (graphite_transform_loops): Move build_scop_canonical_schedules
11573         after build_scop_iteration_domain.
11574
11575 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11576             Tobias Grosser  <tobi.grosser@amd.com>
11577
11578         * graphite.c (add_conditions_to_domain): Add the loops to
11579         the dimension of the iteration domain.  Do copy the domain
11580         only when it exists.
11581         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11582         (add_conditions_to_constraints): New.
11583         (can_generate_code_stmt, can_generate_code): Removed.
11584         (gloog): Do not call can_generate_code.
11585         (graphite_transform_loops): Call add_conditions_to_constraints
11586         after building the iteration domain.
11587
11588 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11589
11590         PR tree-optimization/38789
11591         * tree-ssa-threadedge.c
11592         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11593         __builtin_constant_p.
11594
11595 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11596
11597         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11598         examined before deleting them.
11599
11600 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11601
11602         * function.c (aggregate_value_p): Correctly extract the function
11603         type from CALL_EXPR_FN lookup.
11604
11605 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11606
11607         * config/picochip/picochip.c (picochip_override_options): Revert
11608         CFI asm flag disable commited previously.
11609
11610 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11611             Tobias Grosser  <tobi.grosser@amd.com>
11612             Jan Sjodin  <jan.sjodin@amd.com>
11613
11614         * graphite.c (scan_tree_for_params): On substractions negate
11615         all the coefficients of the term.
11616         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11617         of more than two operands.
11618         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11619         (get_vdef_before_scop): Handle also the case of default definitions.
11620
11621 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11622
11623         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11624         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11625         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11626
11627 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11628             Joey Ye  <joey.ye@intel.com>
11629
11630         PR middle-end/37843
11631         * cfgexpand.c (expand_stack_alignment): Don't update stack
11632         boundary nor check incoming stack boundary here.
11633         (gimple_expand_cfg): Update stack boundary and check incoming
11634         stack boundary here.
11635
11636 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11637
11638         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11639
11640 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11641
11642         PR rtl-optimization/38245
11643         * calls.c (expand_call): Add stack arguments to
11644         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11645         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11646         in regs and partially in memory or BLKmode arguments.
11647         (emit_library_call_value_1): Add stack arguments to
11648         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11649         ACCUMULATE_OUTGOING_ARGS).
11650         * dce.c: Include tm_p.h.
11651         (find_call_stack_args): New function.
11652         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11653         argument.
11654         (mark_insn): Call find_call_stack_args for CALL_Ps.
11655         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11656         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11657         down to deletable_insn_p, don't mark stores set in arg_stores
11658         bitmap, clear the bitmap at the beginning of each bb.
11659         * Makefile.in (dce.o): Depend on $(TM_P_H).
11660
11661 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11662
11663         PR target/22599
11664         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11665         to make sure the insn is a conditional test (bug 22599).  Reformat a
11666         few long lines.
11667
11668 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11669
11670         PR middle-end/38431
11671         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11672         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11673         (gloog): Do not call cleanup_tree_cfg.
11674         (graphite_transform_loops): Call cleanup_tree_cfg after all
11675         scops have been code generated.
11676
11677 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11678         * doc/gty.texi (Invoking the garbage collector): Added new node
11679         and section documenting ggc_collect.
11680
11681 2009-01-14  Richard Guenther  <rguenther@suse.de>
11682
11683         PR tree-optimization/38826
11684         PR middle-end/38477
11685         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11686         initialization notes only if we actually emitted a warning.
11687         (intra_create_variable_infos): Add constraints for a result decl
11688         that is passed by hidden reference.
11689         (build_pred_graph): Mark all related variables non-direct on
11690         address-taking.
11691
11692 2009-01-14  Nick Clifton  <nickc@redhat.com>
11693
11694         * ira-conflicts.c: Include addresses.h for the definition of
11695         base_reg_class.
11696         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11697         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11698
11699 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11700
11701         PR target/38811
11702         * Makefile.in (ira-lives.o): Add except.h.
11703
11704         * ira-lives.c: Include except.h.
11705         (process_bb_node_lives): Process can_throw_internal.
11706
11707 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11708
11709         PR rtl-optimization/38774
11710         * combine.c (simplify_set): When undoing cc_use change, don't do
11711         PUT_CODE on the newly created comparison, but instead put back the
11712         old comparison.
11713
11714 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11715
11716         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11717         values.  Remove duplicate arm8 entry.
11718
11719 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11720
11721         PR tree-optimization/38786
11722         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11723         the SSA_NAME case of expand_scalar_variables_expr.
11724         Set the type of an expression to the type of its assign statement.
11725         (expand_scalar_variables_expr): Also gather the scalar computation
11726         used to index the memory access.  Do not pass loop_p.
11727         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11728         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11729         the gimple_stmt_iterator where it inserts new code.
11730         Do not pass loop_p.
11731         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11732         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11733
11734 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11735
11736         * graphite.h (debug_value): Removed.
11737         * graphite.c (debug_value): Removed.
11738
11739 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11740
11741         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11742         ldrd/strd with two 32-bit instructions.
11743
11744 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11745
11746         * config/arm/arm.c (struct processors): Pass for speed down into
11747         cost helper functions.
11748         (const_ok_for_op): Handle COMPARE and inequality nodes.
11749         (arm_rtx_costs_1): Rewrite.
11750         (arm_size_rtx_costs): Update prototype.
11751         (arm_rtx_costs): Pass speed down to helper functions.
11752         (arm_slowmul_rtx_costs): Rework cost calculations.
11753         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11754         (arm_9e_rtx_costs): Likewise.
11755
11756 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11757
11758         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11759         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11760         (alpha_legitimize_address): Do not split local symbols wider than
11761         UNITS_PER_WORD into HIGH/LO_SUM parts.
11762
11763 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11764
11765         PR bootstrap/38580
11766         * gcc.c (process_command): Replace call to execvp with calls
11767         to pex_one and exit.
11768
11769 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11770
11771         PR target/29141
11772         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11773         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11774         variant for devices with 3-byte PC.
11775         (__tablejump_elpm__): New.
11776
11777 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11778
11779         PR c/32041
11780         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11781         offsetof member-designator, handle it as `[0].'.
11782
11783 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11784
11785         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11786         function when not using named sections on targets with named sections
11787         if branch distance is less than 262132.
11788
11789 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11790
11791         * combine.c (combine_instructions):  Recompute
11792         optimize_this_for_speed_p  for each BB in the main combine loop.
11793
11794 2009-01-12  Tomas Bily  <tbily@suse.cz>
11795
11796         PR middlend/38385
11797         * tree-loop-distribution.c (prop_phis): New function.
11798         (generate_builtin): Call prop_phis.
11799         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11800
11801 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11802
11803         PR tree-optimization/38807
11804         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11805         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11806
11807 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11808
11809         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11810         subreg of op0 to the original op0.
11811
11812 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11813
11814         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11815
11816 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11817
11818         PR debug/7055
11819         * mips-tfile.c (parse_def): Fix parsing of def strings
11820         starting with digits.
11821
11822 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11823
11824         PR target/38695
11825         * config/arm/arm.c (arm_is_long_call_p): Don't call
11826         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11827
11828 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11829
11830         * regrename.c (regrename_optimize): Fix dumping.
11831         (find_oldest_value_reg): Preserve REG_POINTER.
11832         (copy_hardreg_forward_1): Likewise.
11833
11834 2009-01-09  Diego Novillo  <dnovillo@google.com>
11835
11836         * gimple.h (struct gimple_statement_base) <uid>: Document
11837         the restrictions on its use.
11838         (gimple_uid): Tidy.
11839         (gimple_set_uid): Tidy.
11840
11841 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11842
11843         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11844         zero guard even if align_bytes != 0 and count is smaller than
11845         size_needed.
11846
11847 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11848
11849         PR rtl-optimization/38495
11850         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11851         (add_range_and_copies_from_move_list): Print all added ranges.
11852         Add ranges to memory optimized destination.
11853
11854 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11855
11856         PR target/38686
11857         PR target/38708
11858         * config/i386/i386.c (override_options): Reject
11859         -mstringop-strategy=rep_8byte with -m32.
11860         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11861         to 1.  Do count comparison against epilogue_size_needed at compile
11862         time even when count_exp was constant forced into register.  For
11863         size_needed don't jump to epilogue, instead just avoid aligning
11864         and invoke the body algorithm.  If need_zero_guard, add zero guard
11865         even if count is non-zero, but smaller than size_needed + number of
11866         bytes that could be stored for alignment.
11867         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11868         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11869         but smaller than size_needed + number of bytes that could be stored
11870         for alignment.  Compare size_needed with epilogue_size_needed instead
11871         of desired_align - align, don't adjust size_needed, pass
11872         epilogue_size_needed to the epilogue expanders.
11873
11874         PR c/35742
11875         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11876
11877 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11878
11879         * pa.c (last_address): Change to unsigned.
11880         (update_total_code_bytes): Change argument to unsigned.  Don't
11881         check if insn addresses are set.
11882         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11883         addresses are not set.
11884         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11885
11886 2009-01-09  Nick Clifton  <nickc@redhat.com>
11887
11888         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11889         DECL_DECLARED_INLINE_P.
11890
11891 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11892
11893         PR middle-end/38347
11894         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11895         GET_MODE (op0) in operand_subword_force calls.
11896
11897         PR middle-end/38771
11898         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11899         fold_convert arg0 operands to TREE_TYPE (op0) first.
11900
11901 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11902
11903         * params.def (ira-max-conflict-table-size): Decrease default value
11904         to 1000.
11905
11906 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11907
11908         PR tree-optimization/37031
11909         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11910         on parameter_set.
11911         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11912         allocate it using gc instead of heap, use VEC_quick_push instead of
11913         VEC_safe_push.
11914         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11915         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11916         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11917         allocated vector from heap allocated.
11918         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11919         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11920         vector only after perfect_loop_nest_depth call.
11921
11922 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11923             Jan Sjodin  <jan.sjodin@amd.com>
11924
11925         PR tree-optimization/38559
11926         * graphite.c (debug_value, copy_constraint,
11927         swap_constraint_variables, scale_constraint_variable, ): New.
11928         (get_lower_bound, get_upper_bound): Removed.
11929         (graphite_trans_bb_strip_mine): Clean up this code that works
11930         only for constant number of iterations.  Fully copy upper and
11931         lower bound constraints, not only the constant part of them.
11932         * graphite.h (debug_value): Declared.
11933
11934 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11935
11936         PR tree-optimization/37194
11937         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11938         Don't add the cost of cost model guard in prologue to scalar
11939         outside cost in case of known number of iterations.
11940
11941 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11942             Alan Modra  <amodra@bigpond.net.au>
11943
11944         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11945         non-word-aligned REG+CONST addressing.
11946
11947 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11948
11949         PR target/38706
11950         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11951         free_after_compilation when outputting a thunk.
11952         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11953         Do not call free_after_compilation here.
11954
11955 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11956
11957         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11958         (ix86_valid_target_attribute_inner_p): Ditto.
11959
11960 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11961
11962         PR tree-optimization/38492
11963         PR tree-optimization/38498
11964         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11965         * tree-chrec.h (scev_is_linear_expression): Declared.
11966         * graphite.c (graphite_cannot_represent_loop_niter): New.
11967         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11968         (graphite_loop_normal_form): Use gcc_assert.
11969         (scan_tree_for_params): Use CASE_CONVERT.
11970         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11971         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11972         Use gcc_assert.  Discard scops that contain unhandled cases.
11973         (build_scop_conditions): Return a boolean status for unhandled cases.
11974         (strip_mine_profitable_p): Print the loop number, not its depth.
11975         (is_interchange_valid): Pass the depth of the loop nest, don't
11976         recompute it wrongly.
11977         (graphite_trans_bb_block): Same.
11978         (graphite_trans_bb_block): Print tentative of loop blocking.
11979         (graphite_trans_scop_block): Do not print that the loop has been
11980         blocked.
11981         (graphite_transform_loops): Do not handle scops that contain condition
11982         scalar phi nodes.
11983
11984 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11985
11986         AVX Programming Reference (December, 2008)
11987         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11988         (_mm256_stream_pd): Likewise.
11989         (_mm256_stream_ps): Likewise.
11990
11991         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11992         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11993         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11994         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11995         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11996         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11997         (ix86_expand_special_args_builtin): Likewise.
11998
11999         * config/i386/sse.md (AVXMODEDI): New.
12000         (avx_movnt<mode>): Likewise.
12001         (avx_movnt<mode>): Likewise.
12002         (<sse>_movnt<mode>): Remove AVX support.
12003         (sse2_movntv2di): Likewise.
12004
12005 2009-01-07  Richard Guenther  <rguenther@suse.de>
12006
12007         PR middle-end/38751
12008         * fold-const.c (extract_muldiv): Remove obsolete comment.
12009         (fold_plusminus_mult_expr): Undo MINUS_EXPR
12010         to PLUS_EXPR canonicalization for the canonicalization.
12011
12012 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12013
12014         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12015         hosted cross-compilers generating less efficient code.
12016
12017 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12018
12019         * function.h (rtl_data): Add a dbr_scheduled_p field.
12020         * reorg.c (dbr_schedule): Set it.
12021         (gate_handle_delay_slots): Check it.
12022         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12023         (mips_reorg): Check flag_delayed_branch instead of
12024         mips_base_delayed_branch.
12025         (mips_override_options): Don't set mips_base_delayed_branch
12026         or flag_delayed_branch.
12027
12028 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12029
12030         PR rtl-optimization/38426.
12031         * ira.c (ira): Set current_function_is_leaf earlier.
12032
12033 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12034
12035         PR rtl-optimization/38722
12036         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12037         too early, only set a flag and modify after last possible
12038         undo_all point.
12039
12040 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12041
12042         PR c/34252
12043         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12044         * real.c (decimal_single_format): Correct values of emin and emax.
12045         (decimal_double_format): Ditto.
12046         (decimal_quad_format): Ditto.
12047         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12048         computation of DECnn_MIN and DECnn_MAX for corrected values of
12049         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12050         __DECnn_MIN__, and adjust its computation for the corrected value
12051         of emin.
12052
12053 2009-01-06  Jan Hubicka  <jh@suse.cz>
12054
12055         PR target/38744
12056         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12057
12058 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12059
12060         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12061         Add Robert Clark to the list of testers.
12062
12063 2009-01-06  Jan Hubicka  <jh@suse.cz>
12064             Kai Tietz  <kai.tietz@onevision.com>
12065
12066         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12067         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12068
12069 2009-01-06  Jan Hubicka  <jh@suse.cz>
12070             Kai Tietz  <kai.tietz@onevision.com>
12071
12072         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12073         for w64 ABI.
12074         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12075         (ix86_nsaved_regs): Count only general purpose regs.
12076         (ix86_nsaved_sseregs): New.
12077         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12078         to 16 for w64; compute padding and size of sse reg save area.
12079         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12080         general purpose regs.
12081         (ix86_emit_save_sse_regs_using_mov): New.
12082         (ix86_expand_prologue): Save SSE regs if needed.
12083         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12084         (ix86_emit_restore_sse_regs_using_mov): New.
12085         (ix86_expand_epilogue): Save SSE regs if needed.
12086
12087 2009-01-06  Jan Hubicka  <jh@suse.cz>
12088             Kai Tietz  <kai.tietz@onevision.com>
12089
12090         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12091         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12092         functions when accumulate outgoing args is off.
12093
12094 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12095
12096         PR bootstrap/38742
12097         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12098         before using pseudos_have_intersected_live_ranges_p.
12099
12100         * ira-int.h (ira_assert): Always define.
12101
12102 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12103
12104         AVX Programming Reference (December, 2008)
12105         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12106         (_mm256_permute2_pd): Likewise.
12107         (_mm_permute2_ps): Likewise.
12108         (_mm256_permute2_ps): Likewise.
12109         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12110         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12111
12112         * config/i386/i386.c (ix86_builtins): Remove
12113         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12114         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12115         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12116         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12117         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12118         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12119         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12120         __builtin_ia32_vpermil2ps256.
12121         (ix86_init_mmx_sse_builtins): Updated.
12122         (ix86_expand_args_builtin): Likewise.
12123
12124 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12125
12126         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12127         long absolute calls when generating PA 2.0 code.
12128
12129 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12130
12131         PR rtl-optimization/38583
12132         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12133
12134         * params.def (ira-max-conflict-table-size): New.
12135
12136         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12137
12138         * ira.h (ira_conflicts_p): New external definition.
12139
12140         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12141         table.  Report this.  Return result of building.
12142         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12143         building conflict table.
12144
12145         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12146         (ira_color): Use ira_conflicts_p.
12147
12148         * global.c: Include ira.h.
12149         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12150         ira_conflicts_p.
12151
12152         * Makefile.in (global.o): Add ira.h.
12153
12154         * ira-build.c (mark_all_loops_for_removal,
12155         propagate_some_info_from_allocno): New.
12156         (remove_unnecessary_allocnos): Call
12157         propagate_some_info_from_allocno.
12158         (remove_low_level_allocnos): New.
12159         (remove_unnecessary_regions): Add parameter.  Call
12160         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12161         parameter to remove_unnecessary_regions.
12162         (ira_build): Remove all regions but root if the conflict table was
12163         not built.  Update conflict hard regs for allocnos crossing calls.
12164
12165         * ira.c (ira_conflicts_p): New global.
12166         (ira): Define and use ira_conflicts_p.
12167
12168         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12169         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12170         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12171
12172 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12173
12174         * gengtype-lex.l (YY_NO_INPUT): Define.
12175
12176 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12177
12178         PR c/34911
12179         * c-common.c (handle_vector_size_attribute): Also reject
12180         BOOLEAN_TYPE types.
12181
12182 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12183
12184         PR tree-optimization/38492
12185         * graphite.c (rename_map_elt, debug_rename_elt,
12186         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12187         rename_map_elt_info, eq_rename_map_elts,
12188         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12189         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12190         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12191         (sese_build_livein_liveouts): New.
12192         (new_sese, free_sese): New.
12193         (new_scop): Call new_sese.
12194         (free_scop): Call free_sese.
12195         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12196         (register_old_new_names): Renamed register_old_and_new_names.
12197         (register_scop_liveout_renames, add_loop_exit_phis,
12198         insert_loop_close_phis, struct igp,
12199         default_liveout_before_guard, add_guard_exit_phis,
12200         insert_guard_phis, copy_renames): New.
12201         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12202         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12203         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12204         (scop_adjust_phis_for_liveouts): New.
12205         (gloog): Call scop_adjust_phis_for_liveouts.
12206
12207         * graphite.h (struct sese): Documented.  Added fields liveout,
12208         num_ver and livein.
12209         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12210         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12211         (struct scop): Added field liveout_renames.
12212         (SCOP_LIVEOUT_RENAMES): New.
12213
12214 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12215
12216         PR tree-optimization/38510
12217         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12218         (translate_clast): Call recompute_all_dominators before
12219         graphite_verify.
12220         (gloog): Call recompute_all_dominators before graphite_verify.
12221
12222 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12223             Jan Sjodin  <jan.sjodin@amd.com>
12224
12225         PR tree-optimization/38500
12226         * graphite.c (create_sese_edges): Call fix_loop_structure after
12227         splitting blocks.
12228
12229 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12230
12231         * config.gcc: Add m32r*-*-rtems*.
12232         * config/m32r/rtems.h: New file.
12233
12234 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12235
12236         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12237         (.po.pox): Likewise.
12238         (po/gcc.pot): Likewise.
12239
12240 2009-01-04  David S. Miller  <davem@davemloft.net>
12241
12242         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12243         (STARTING_FRAME_OFFSET): Always set to zero.
12244
12245 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12246
12247         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12248         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12249         fixed-point types, and vectors of the same.
12250
12251 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12252
12253         * config/mips/sync.md (*mb_barrier): Rename to...
12254         (*memory_barrier): ...this.
12255
12256 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12257
12258         * doc/extend.texi (Function Attributes): Move @cindex after @item
12259         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12260         and put in alphabetical order. Fix 'target' name and put in order.
12261         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12262         typos.
12263
12264 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12265
12266         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12267         (memory_barrier): Expand as unspec instead of unspec_volatile.
12268         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12269         (*memory_barrier): Define as unspec instead of unspec_volatile.
12270         Use (match_dup 0) as input operand.
12271
12272         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12273         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12274         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12275         scratch register.  Remove operand 1.
12276         (*stbar): Define as unspec instead of unspec_volatile.
12277         Use (match_dup 0) as input operand, remove (const_int 8).
12278         (*membar): Define as unspec instead of unspec_volatile.
12279         Use (match_dup 0) as input operand, remove input operand 2.
12280
12281         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12282         (memory_barrier): Expand as unspec instead of unspec_volatile.
12283         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12284         (*memory_barrier): Define as unspec instead of unspec_volatile.
12285         Use (match_dup 0) as input operand.
12286
12287         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12288         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12289         Set volatile flag on operand 0.
12290         (*memory_barrier): New insn pattern.
12291
12292         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12293         insn operands.
12294         (*memory_barrier): Use (match_dup 0) as input operand.
12295
12296         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12297         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12298         Set volatile flag on operand 0.
12299         (*mb_internal): New insn pattern.
12300
12301         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12302
12303 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12304
12305         PR middle-end/38586
12306         * function.c (struct temp_slot): Move to the section of the file
12307         that deals with temp slots.  Remove field 'address'.
12308         (temp_slot_address_table): New hash table of address -> temp slot.
12309         (struct temp_slot_address_entry): New struct, items for the table.
12310         (temp_slot_address_compute_hash, temp_slot_address_hash,
12311         temp_slot_address_eq, insert_temp_slot_address): Support functions
12312         for the new table.
12313         (find_temp_slot_from_address): Rewrite to use the new hash table.
12314         (remove_unused_temp_slot_addresses): Remove addresses of temp
12315         slots that have been made available.
12316         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12317         worker function for remove_unused_temp_slot_addresses.
12318         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12319         Add the temp slot address to the address -> temp slot map.
12320         (update_temp_slot_address): Update via insert_temp_slot_address.
12321         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12322         (pop_temp_slots): Likewise.
12323         (init_temp_slots): Allocate the address -> temp slot map, or empty
12324         the map if it is already allocated.
12325         (prepare_function_start): Initialize temp slot processing.
12326
12327 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12328
12329         PR middle-end/38584
12330         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12331         Calculate the size of all stack vars assuming no packing of stack
12332         vars will happen, replacing a quadratic algorithm with a linear one.
12333
12334 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12335
12336         PR target/38707
12337         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12338         can't be used.
12339
12340 2009-01-03  Diego Novillo  <dnovillo@google.com>
12341
12342         * doc/contrib.texi: Update contributions.
12343
12344 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12345
12346         PR c++/38705
12347         * builtins.c (fold_builtin_memory_op): Give up if either operand
12348         is volatile.  Set srctype or desttype to non-qualified version
12349         of the other type.
12350
12351         PR c/38700
12352         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12353         and FUNCTION_DECLs.
12354
12355 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12356
12357         PR rtl-optimization/35805
12358         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12359         problem if fast dce is able to remove any instructions.
12360         * dce.c (dce_process_block): Fix dump message.
12361
12362 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12363
12364         PR 33649
12365         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12366
12367 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12368
12369         PR middle-end/38690
12370         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12371         * tree-pretty-print.c (op_code_prio): New function.
12372         (op_prio): No longer static.  Use op_code_prio.
12373         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12374         Use op_prio and op_code_prio to determine if () should be
12375         printed around operand(s) or not.
12376
12377         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12378         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12379         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12380         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12381         pp_character instead of pp_string for single letter printing.
12382
12383 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12384
12385         * doc/extend.texi: Fix '#pragma GCC option' typo.
12386
12387 2009-01-02  Richard Guenther  <rguenther@suse.de>
12388
12389         * doc/install.texi (--enable-checking): Mention different
12390         default for stage1.
12391         (--enable-stage1-checking): Document.
12392
12393 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12394
12395         PR middle-end/30142
12396         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12397         case to be an error.
12398
12399 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12400
12401         * config/fp-bit.h (pack_d): Constify argument.
12402         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12403         (isnan): Constify argument.
12404         (isinf): Likewise.
12405         (iszero): Likewise.
12406         (pack_d): Likewise.
12407         (_fpadd_parts): Constify return type.
12408         (_fpmul_parts): Likewise.
12409         (_fpdiv_parts): Likewise.
12410
12411 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12412
12413         PR c/36489
12414         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12415         warn about overwriting initializer with side-effects or
12416         -Woverride-init if !IMPLICIT.
12417         (output_init_element): Likewise.  Pass IMPLICIT down to
12418         add_pending_init.
12419         (process_init_element): Add IMPLICIT argument.  Pass it down
12420         to output_init_element.
12421         (push_init_element, pop_init_level, set_designator): Adjust
12422         process_init_element callers.
12423         (set_nonincremental_init, set_nonincremental_init_from_string):
12424         Adjust add_pending_init callers.
12425         (output_pending_init_elements): Adjust output_init_element callers.
12426         * c-tree.h (process_init_element): Adjust prototype.
12427         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12428         process_init_element callers.
12429
12430 \f
12431 Copyright (C) 2009 Free Software Foundation, Inc.
12432
12433 Copying and distribution of this file, with or without modification,
12434 are permitted in any medium without royalty provided the copyright
12435 notice and this notice are preserved.