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1 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2
3         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
4         swapped, and reversed optabs exist before trying to use them.
5
6 2009-05-15  Paul Brook  <paul@codesourcery.com>
7             Sandra Loosemore  <sandra@codesourcery.com>
8
9         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
10         loads.  Allow PRE_DEC.
11         (output_move_neon): Handle PRE_DEC.
12         (arm_print_operand): Add 'A' for neon structure loads.
13         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
14         * config/arm/neon.md (neon_mov): Update comment.
15         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
16         calls.
17         (Um): New constraint.
18
19 2009-05-15  Jan Hubicka  <jh@suse.cz>
20
21         Revert the following patch until testsuite fallout is fixed:
22         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
23         * cgraph.h (struct inline_summary): New filed self_wize,
24         size_inlining_benefit, self_time and time_inlining_benefit.
25         (struct cgraph_global_info): Replace insns by time ans size fields.
26         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
27         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
28         (ipcp_update_callgraph): Do not touch function bodies.
29         * ipa-inline.c: Include except.h
30         MAX_TIME: New constant.
31         (overall_insns): Remove
32         (overall_size, max_benefit): New static variables.
33         (cgraph_estimate_time_after_inlining): New function.
34         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
35         (cgraph_clone_inlined_nodes): Update size.
36         (cgraph_mark_inline_edge): Update size.
37         (cgraph_estimate_growth): Use size info.
38         (cgraph_check_inline_limits): Check size.
39         (cgraph_default_inline_p): Likewise.
40         (cgraph_edge_badness): Compute badness based on benefit and size cost.
41         (cgraph_decide_recursive_inlining): Check size.
42         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
43         (cgraph_decide_inlining): Likewise.
44         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
45         (likely_eliminated_by_inlining_p): New predicate.
46         (estimate_function_body_sizes): New function.
47         (compute_inline_parameters): Use it.
48         * except.c (must_not_throw_labels): New function.
49         * except.h (must_not_throw_labels): Declare.
50         * tree-inline.c (init_inline_once): Kill inlining_weigths
51         * tree-ssa-structalias.c: Avoid uninitialized warning.
52         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
53         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
54         (PARAM_INLINE_CALL_COST): Remove.
55         (PARAM_EARLY_INLINING_INSNS): New.
56
57 2009-05-15  Richard Guenther  <rguenther@suse.de>
58
59         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
60         not TODO_update_ssa.
61
62 2009-05-15  Richard Guenther  <rguenther@suse.de>
63
64         PR tree-optimization/39999
65         * gimple.h (gimple_expr_type): Use the expression type looking
66         through useless conversions.
67         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
68         (vn_nary_op_insert_stmt): Likewise.
69         (simplify_binary_expression): Likewise.
70
71 2009-05-15  Richard Guenther  <rguenther@suse.de>
72
73         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
74         New options, enabled by default.
75         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
76         Document.
77         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
78         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
79         * tree-ssa-structalias.c (gate_tree_pta): New function.
80         (pass_build_alias): Use it.
81
82 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
83
84         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
85         recurse on an invariant address if a conversion from a pointer
86         type to a wider integer type is involved.
87
88 2009-05-15  Jan Hubicka  <jh@suse.cz>
89
90         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
91         * cgraph.h (struct inline_summary): New filed self_wize,
92         size_inlining_benefit, self_time and time_inlining_benefit.
93         (struct cgraph_global_info): Replace insns by time ans size fields.
94         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
95         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
96         (ipcp_update_callgraph): Do not touch function bodies.
97         * ipa-inline.c: Include except.h
98         MAX_TIME: New constant.
99         (overall_insns): Remove
100         (overall_size, max_benefit): New static variables.
101         (cgraph_estimate_time_after_inlining): New function.
102         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
103         (cgraph_clone_inlined_nodes): Update size.
104         (cgraph_mark_inline_edge): Update size.
105         (cgraph_estimate_growth): Use size info.
106         (cgraph_check_inline_limits): Check size.
107         (cgraph_default_inline_p): Likewise.
108         (cgraph_edge_badness): Compute badness based on benefit and size cost.
109         (cgraph_decide_recursive_inlining): Check size.
110         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
111         (cgraph_decide_inlining): Likewise.
112         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
113         (likely_eliminated_by_inlining_p): New predicate.
114         (estimate_function_body_sizes): New function.
115         (compute_inline_parameters): Use it.
116         * except.c (must_not_throw_labels): New function.
117         * except.h (must_not_throw_labels): Declare.
118         * tree-inline.c (init_inline_once): Kill inlining_weigths
119         * tree-ssa-structalias.c: Avoid uninitialized warning.
120         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
121         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
122         (PARAM_INLINE_CALL_COST): Remove.
123         (PARAM_EARLY_INLINING_INSNS): New.
124         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
125         (inline-call-cost): Remove.
126         (early-inlining-insns): New.
127
128 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
129
130         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
131         for bounds.
132         (print_int_cst_bounds_in_octal_p): Likewise.
133         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
134         with subtypes.
135         * dwarf2out.c (base_type_die): Likewise.
136         (is_subrange_type): Delete.
137         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
138         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
139         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
140         the destination type is boolean.
141         (build_range_check): Do not special-case subtypes.
142         (fold_sign_changed_comparison): Likewise.
143         (fold_unary): Likewise.
144         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
145         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
146         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
147         * tree.c (subrange_type_for_debug_p): New predicate based on the former
148         is_subrange_type.
149         * tree.h (subrange_type_for_debug_p): Declare.
150         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
151         (convert_affine_scev): Remove call to above function.
152         (chrec_convert_aggressive): Likewise.
153         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
154         false for conversions involving subtypes.
155         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
156         (vrp_val_min): Likewise.
157         (needs_overflow_infinity): Likewise.
158         (extract_range_from_unary_expr): Likewise.
159
160 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
161
162         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
163         * config/frv/frv.c: Likewise.
164         * config/s390/s390.c: Likewise.
165         * config/sparc/sparc.h: Likewise.
166         * config/i386/i386.h: Likewise.
167         * config/i386/i386.c: Likewise.
168         * config/crx/crx.c: Likewise.
169         * config/m68hc11/m68hc11.h: Likewise.
170         * config/iq2000/iq2000.c: Likewise.
171         * config/mn10300/mn10300.h: Likewise.
172         * config/mn10300/mn10300.c: Likewise.
173         * config/m68k/m68k.c: Likewise.
174         * config/rs6000/rs6000.c: Likewise.
175         * config/rs6000/xcoff.h: Likewise.
176         * config/rs6000/linux64.h: Likewise.
177         * config/rs6000/sysv4.h: Likewise.
178         * config/score/score3.c: Likewise.
179         * config/score/score7.c: Likewise.
180         * config/score/score.c: Likewise.
181         * config/arm/arm.md: Likewise.
182         * config/mips/mips.c: Likewise.
183         * config/mips/mips.md: Likewise.
184         * config/bfin/bfin.h: Likewise.
185         * config/pa/pa.c: Likewise.
186         * config/pa/constraints.md: Likewise.
187
188         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
189         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
190         * config/pdp11/pdp11.h: Use memory_address_p instead.
191
192 2009-05-14  Ian Lance Taylor  <iant@google.com>
193
194         * passes.c (finish_optimization_passes): Change i to int.
195         * plugin.c (plugins_active_p): Change event to int.
196         (dump_active_plugins): Likewise.
197         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
198         Add cast.
199         * tree.c (tree_range_check_failed): Change c to unsigned int.
200         (omp_clause_range_check_failed): Likewise.
201         (build_common_builtin_nodes): Change mode to int.  Add cast.
202         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
203         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
204
205         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
206         ++ or -- with a variable of enum type.
207
208 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
209
210         PR driver/40144
211         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
212
213 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
214
215         * store-motion.c: Do not include params.h
216         * Makefile.in: Fix dependencies for various files.
217
218 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
219
220         * auto-inc-dec.c: Fix pass description, remove apparent
221         accidental duplication.
222
223 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
224
225         PR middle-end/40147
226         * ipa-utils.h (memory_identifier_string): Moved to ...
227         * tree.h (memory_identifier_string): Here.  Add GTY(()).
228
229 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
230
231         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
232         in the former documentation of...
233         (GO_IF_LEGITIMATE_ADDRESS): ... this.
234         * ira-conflicts.c (get_dup_num): Use address_operand.
235         * targhooks.c (default_legitimate_address_p): New.
236         * targhooks.h (default_legitimate_address_p): New.
237         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
238         Call hook.
239         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
240         * target.h (struct target): Add legitimate_address_p.
241         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
242         (TARGET_INITIALIZER): Include it.
243
244         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
245         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
246         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
247         (TARGET_LEGITIMATE_ADDRESS_P): New.
248
249         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
250         (REG_OK_STRICT_P): Delete.
251         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
252         (frv_legitimate_address_p_1): ... this.
253         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
254         (frv_legitimate_address_p_1): ... the renamed old
255         frv_legitimate_address_p.
256         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
257         (TARGET_LEGITIMATE_ADDRESS_P): New.
258
259         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
260         * config/s390/s390-protos.h (legitimate_address_p): Remove.
261         * config/s390/s390.c (legitimate_address_p): Rename to...
262         (s390_legitimate_address_p): ... this, make static.
263         (legitimize_address): Adjust call.
264         (TARGET_LEGITIMATE_ADDRESS_P): New.
265         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
266
267         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
268         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
269         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
270         (TARGET_LEGITIMATE_ADDRESS_P): New.
271
272         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
273         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
274         * config/spu/spu.c (spu_legitimate_address): Rename to...
275         (spu_legitimate_address_p): ... this, make static.
276         (TARGET_LEGITIMATE_ADDRESS_P): New.
277
278         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
279         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
280         * config/sparc/sparc.c (legitimate_address_p): Rename to...
281         (sparc_legitimate_address_p): ... this, make static and return bool.
282         (legitimize_address): Adjust call.
283         (TARGET_LEGITIMATE_ADDRESS_P): New.
284
285         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
286         * config/i386/i386-protos.h (legitimate_address_p): Remove.
287         * config/i386/i386.c (legitimate_address_p): Rename to...
288         (ix86_legitimate_address_p): ... this, make static.
289         (constant_address_p): Move after it, adjust call.
290         (TARGET_LEGITIMATE_ADDRESS_P): New.
291
292         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
293         * config/avr/avr-protos.h (legitimate_address_p): Remove.
294         * config/avr/avr.c (legitimate_address_p): Rename to...
295         (avr_legitimate_address_p): ... this, make static.
296         (legitimize_address): Adjust call.
297         (TARGET_LEGITIMATE_ADDRESS_P): New.
298
299         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
300         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
301         * config/crx/crx.c (crx_legitimate_address_p): Make static.
302         (TARGET_LEGITIMATE_ADDRESS_P): New.
303
304         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
305         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
306         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
307         (TARGET_LEGITIMATE_ADDRESS_P): New.
308
309         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
310         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
311         Remove.
312         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
313         Make static.
314         (TARGET_LEGITIMATE_ADDRESS_P): New.
315
316         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
317         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
318         Remove.
319         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
320         Rename to...
321         (m68hc11_legitimate_address_p): ... this, make static.
322         (go_if_legitimate_address_internal): Rename to...
323         (m68hc11_legitimate_address_p_1): ... this.
324         (legitimize_address): Adjust call.
325         (TARGET_LEGITIMATE_ADDRESS_P): New.
326
327         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
328         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
329         Remove.
330         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
331         Make static.
332         (TARGET_LEGITIMATE_ADDRESS_P): New.
333
334         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
335         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
336         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
337         (mn10300_legitimate_address_p): ... this, make static.
338         (TARGET_LEGITIMATE_ADDRESS_P): New.
339
340         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
341         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
342         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
343         (TARGET_LEGITIMATE_ADDRESS_P): New.
344
345         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
346         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
347         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
348         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
349         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
350         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
351         (rs6000_legitimate_address_p): ... this, make static.
352         (TARGET_LEGITIMATE_ADDRESS_P): New.
353         (REG_MODE_OK_FOR_BASE_P): Delete.
354         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
355
356         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
357         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
358         Delete.
359         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
360         static, adjust types.
361         (TARGET_LEGITIMATE_ADDRESS_P): New.
362
363         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
364         * config/score/score.c (score_address_p): Rename to...
365         (score_legitimate_address_p): ... this.
366         (TARGET_LEGITIMATE_ADDRESS_P): New.
367         * config/score/score3.c (score3_address_p): Rename to...
368         (score3_legitimate_address_p): ... this.
369         * config/score/score7.c (score7_address_p): Rename to...
370         (score7_legitimate_address_p): ... this.
371
372         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
373         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
374         GO_IF_LEGITIMATE_ADDRESS): Delete.
375         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
376         thumb2_legitimate_address_p): Delete.
377         (arm_legitimate_address_p): Rename to...
378         (arm_legitimate_address_outer_p): ... this.
379         * config/arm/constraints.md ("Uq"): Adjust call.
380         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
381         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
382         (arm_legitimate_address_outer_p): ... this.
383         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
384         (TARGET_LEGITIMATE_ADDRESS_P): New.
385
386         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
387         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
388         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
389         (TARGET_LEGITIMATE_ADDRESS_P): New.
390
391         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
392         * config/vax/vax-protos.h (legitimate_address_p): Remove.
393         * config/vax/vax.c (legitimate_address_p): Rename to...
394         (vax_legitimate_address_p): ... this, make static.
395         (TARGET_LEGITIMATE_ADDRESS_P): New.
396
397         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
398         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
399         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
400         (TARGET_LEGITIMATE_ADDRESS_P): New.
401
402         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
403         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
404         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
405         (mmix_legitimate_address_p): ... this, make static.
406         (TARGET_LEGITIMATE_ADDRESS_P): New.
407
408         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
409         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
410         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
411         (TARGET_LEGITIMATE_ADDRESS_P): New.
412
413 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
414
415         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
416         of MODE_COMPLEX_INT.
417
418 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
419
420         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
421         LCT_NORMAL in function call.
422         * mips-tdump.c (print_file_desc): Add cast to enum type.
423         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
424         (mark_stabs): Add casts to enum types.
425         (parse_stabs_common): Add casts to enum types.
426
427 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
428
429         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
430         Check for invalid values of LETTER.
431
432 2009-05-13  Taras Glek  <tglek@mozilla.com>
433
434         * attribs.c (register_attribute): moved out attribute registration into
435         register_attribute.
436         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
437         * gcc-plugin.h: Added forward decl for register_attribute.
438         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
439         * plugin.c (register_callback, invoke_plugin_callbacks): Added
440         PLUGIN_ATTRIBUTES boilerplate.
441
442 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
443
444         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
445         values even in sentinel and empty entries.
446         (ms_printf_flag_specs):  Likewise.
447         (ms_scanf_flag_specs):  Likewise.
448         (ms_strftime_flag_specs):  Likewise.
449         (ms_print_char_table):  Likewise.
450         (ms_scan_char_table):  Likewise.
451         (ms_time_char_table):  Likewise.
452
453 2009-05-13  Doug Kwan  <dougkwan@google.com>
454
455         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
456
457 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
458
459         * config/mips/mips.md (store): Add attributes for QI and HI.
460         Update comment.
461         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
462         (truncdi<mode>2): ... this new pattern.
463
464 2009-05-13  Brad Hards  <bradh@kde.org>
465
466         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
467
468 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
469             Ben Elliston <bje@au.ibm.com>
470
471         PR middle-end/40035
472         * dse.c (check_mem_read_rtx): Guard against width == -1.
473
474 2009-05-13  Michael Matz  <matz@suse.de>
475
476         PR middle-end/39976
477         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
478         (trivially_conflicts_p): New function.
479         (insert_backedge_copies): Use it.
480
481 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
482
483         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
484         (handle_stdc_pragma): Use new enum constant names.
485         (handle_pragma_float_const_decimal64): Ditto.
486
487 2009-05-13  Ian Lance Taylor  <iant@google.com>
488
489         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
490         tree.def.
491
492 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
493
494         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
495         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
496         multilibs.
497         * config/m68k/m68k.h (FL_UCLINUX): Define.
498
499 2009-05-13  Jan Hubicka  <jh@suse.cz>
500
501         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
502
503 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
504
505         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
506         unless -fschedule-insns is specified.
507
508 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
509
510         PR target/39561
511         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
512         TARGET_EXPAND_CBRANCHDI4.
513         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
514         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
515         (cmpeqdi): Fix comment.
516
517 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
518
519         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
520         (sh_legitimate_address_p): Likewise.
521         * config/sh/sh.c (sh_legitimate_index_p): New.
522         (sh_legitimate_address_p): Likewise.
523         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
524         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
525         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
526         (MAYBE_BASE_REGISTER_RTX_P): New macro.
527         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
528         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
529         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
530         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
531         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
532
533 2009-05-12  Jan Hubicka  <jh@suse.cz>
534
535         * tree-inline.c (estimate_operator_cost): Add operands;
536         when division happens by constant, it is cheap.
537         (estimate_num_insns): Loads and stores are not having cost of 0;
538         EH magic stuff is cheap; when computing runtime cost of switch,
539         use log2 base of amount of its cases; builtin_expect has cost of 0;
540         compute cost for moving return value of call.
541         (init_inline_once): Initialize time_based flags.
542         * tree-inline.h (eni_weights_d): Add time_based flag.
543
544 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
545
546         * df-core.c: Update head documentation.
547
548 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
549
550         PR bootstrap/40118
551         * rs6000.c (rs6000_generate_compare): Use op1b instead of
552         shadowing exisiting variable op1.
553
554 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
555
556         PR target/37179
557         * config/i386/driver-i386.c (processor_signatures): New enum.
558         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
559         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
560         processor signature to detect geode processor.
561
562 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
563
564         Revert:
565
566         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
567
568         * optabs.c (prepare_cmp_insn): Temporarily disable test that
569         causes spurious differences between trunk and cond-optab branch.
570
571 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
572
573         * dojump.c (compare_from_rtx): Delete.
574         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
575         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
576         if the comparison does not satisfy the predicate; test predicates for
577         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
578         further if one existing pattern fails.
579         * expr.h (compare_from_rtx): Delete.
580         (prepare_operand): Declare it.
581         * optabs.c: Change "lib call" to "libcall" throughout.
582         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
583         HAVE_conditional_trap, emit_cmp_insn): Delete.
584         (can_compare_p): Delete cmp_optab case.
585         (prepare_float_lib_cmp): Return an rtx and a machine mode.
586         Accept other parameters by value.
587         (prepare_operand): Make non-static.
588         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
589         other parameters by value.  Try to widen operands here based on
590         an optab_methods argument and looking at cbranch_optab.
591         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
592         loop.  Use cbranch_optab directly.
593         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
594         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
595         assertion.
596         (emit_conditional_move, emit_conditional_add): Inline what's needed
597         of compare_from_rtx, using new prepare_cmp_insn for the rest.
598         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
599         with COMPARE.  Move cmov_optab and cstore_optab above
600         with cbranch_optab, move cmp_optab down with ucmp_optab,
601         remove tst_otpab.  Do not initialize trap_rtx.
602         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
603         for trap code.  Do not check HAVE_conditional_trap.  Use
604         prepare_cmp_insn.  Accept no predicate for operand 3.
605         * optabs.h (OTI_cmp): Mark as used only for libcalls.
606         (OTI_ctrap, ctrap_optab): New.
607         (tst_optab): Delete.
608         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
609         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
610         with lookup of ctrap_optab.
611         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
612         setcc_gen_code): Delete.
613         (ctrap_optab): New.
614
615         * combine.c (combine_simplify_rtx, simplify_set): Do not
616         special case comparing against zero for cc0 machines.
617         * simplify-rtx.c (simplify_binary_operation_1): Never remove
618         COMPARE on cc0 machines.
619         (simplify_relational_operation): Return a new expression when
620         a COMPARE could be removed.
621         * final.c (final_scan_insn): Compare cc_status values
622         against LHS of a (compare FOO (const_int 0)) cc0 source.
623         Also check if cc_status.value is the full compare.
624
625         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
626         (cstoreMM4): Document.
627         (conditional_trap): Document ctrapMM4 instead.
628         (sync_compare_and_swapMM): Refer to cbranchcc4.
629         (Dependent Patterns): Eliminate obsolete information referring to
630         the old jump optimization phase.
631         (Canonicalization): Include cbranchcc4 case, omit canonicalization
632         of compares with 0 on cc0 machines.
633         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
634         avoiding references to cc0.  Remove text about storing operands
635         in cmpMM.
636         * doc/tm.texi (Condition Codes): Include blurb on different
637         condition code representations, separate into subsections for
638         CC0, MODE_CC and conditional execution.
639
640         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
641         alpha_emit_setcc): Accept operands and a machine mode.
642         * config/alpha/alpha.c (alpha_emit_conditional_branch):
643         Get code/op0/op1 from operands, use machine mode argument
644         instead of alpha_compare.fp_p.  Emit the branch here.
645         (alpha_emit_setcc): Likewise, and return boolean.
646         (alpha_emit_conditional_move): Likewise.  Assert that
647         cmp_op_mode == cmp_mode, and simplify accordingly.
648         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
649         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
650         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
651         Delete.
652         (stack probe test): Use cbranchdi4.
653         * config/alpha/predicates.md (alpha_cbranch_operator): New.
654
655         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
656         * config/arc/arc.h (movsicc, movsfcc): Use it.
657         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
658         (cbranchsi4, cstoresi4): New.
659         (cmpsi, bCC and sCC expanders): Remove. 
660
661         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
662         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
663         * config/arm/predicates.md (arm_comparison_operator): Only include
664         floating-point operators if there is a hardware floating-point unit.
665         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
666         deferring to cbranch_cc and cstore_cc respectively.
667         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
668         cbranch_cc, cstore_cc): New.
669         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
670         arm_compare_op1.
671         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
672
673         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
674         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
675         as an argument.
676         (adjust_insn_length): Adjust calls.
677         (avr_reorg): Handle (compare (foo) (const_int 0)).
678         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
679         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
680         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
681         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
682         (bCC): Remove.
683         (cbranchqi4, cbranchhi4, cbranchsi4): New.
684         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
685
686         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
687         (cbranchsi4, cstorebi4, cstoresi4): New.
688         (movbisi): This insn is duplicate, split it to zero_extend.
689         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
690         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
691         (bfin_optimize_loop): Use cbranch expander.
692         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
693         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
694         (bfin_bimode_comparison_operator): ... this.
695         (bfin_direct_comparison_operator): New.
696  
697         * config/cris/cris.c (cris_normal_notice_update_cc): Look
698         inside (compare FOO (const_int 0)).
699         (cris_rtx_costs): Handle ZERO_EXTRACT.
700         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
701         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
702         (*tstdi_v32): Delete.
703         (*cmpdi_non_v32): Add M alternative for operand 1.
704         (cmpsi, cmp<mode>): Make private.
705         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
706         with COMPARE.
707         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
708
709         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
710         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
711         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
712         (cc_reg_operand): New.
713         (any_cond): Delete.
714         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
715         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
716         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
717         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
718         crx_expand_scond): Delete.
719
720         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
721         (cbranchsi4): New.
722         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
723         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
724
725         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
726         cstoresi4, cstoresf4, cstoredf4): New.
727         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
728         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
729         Receive the entire operands array.
730         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
731         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
732         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
733         Get test/op0/op1 from the operands array.
734         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
735
736         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
737         (h8300_expand_store): New.
738         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
739         (const_int 0)).
740         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
741         (h8300_expand_store): New.
742         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
743         or do not try to produce (set (cc0) REG).
744         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
745         change a compare into a move to a scratch register.  Disable some
746         peepholes when comparing with zero.
747         (tstsi, tsthi, tstsi, cmpqi): Make private.
748         (cmphi): Delete.
749         (bCC, sCC): Delete.
750         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
751         cstoresi4): New.
752
753         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
754         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
755         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
756         (ix86_emit_i387_log1p): Use cbranchxf2.
757         (ix86_expand_setcc): Return void.
758         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
759         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
760         cmp<MODEF>, cmpcc): Remove.
761         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
762         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
763         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
764         (sCC and bCC expanders): Remove.
765         (stack_protect_test): Use cbranchcc4.
766
767         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
768         Delete.
769         (ia64_expand_compare): Accept three rtx by reference and return void.
770         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
771         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
772         from *expr.  Update *expr with the BImode comparison to do.
773         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
774         cmptf, bCC, sCC, conditional_trap): Delete.
775         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
776         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
777         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
778         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
779         * config/ia64/predicates.md (ia64_cbranch_operator): New.
780
781         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
782         type of last argument.
783         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
784         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
785         use machine mode argument instead of branch_type.  Remove dead
786         code for floating-point comparisons.
787         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
788         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
789         Remove.
790         (cbranchsi4, cstoresi4): New.
791         * config/iq2000/predicates.md (reg_or_const_operand): New.
792
793         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
794         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
795         (b<code>_op): Rewrite to...
796         (bcc_op): ... this, using match_operator.
797         (s<code>_op): Rewrite to...
798         (scc_op): ... this, using match_operator.
799         (s<code>_24_op): Rewrite to...
800         (scc_op_24): ... this, using match_operator.
801         (s<code>_<mode>): Rewrite to...
802         (cstore<mode>4): ... this, using match_operator.
803         (s<code>_<mode>_24): Rewrite to...
804         (cstore<mode>4_24): ... this, using match_operator.
805         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
806         m32c_unpend_compare, m32c_expand_scc): Delete.
807         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
808         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
809         (m32c_expand_movcc): Change NE to EQ if necessary.
810         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
811
812         * config/m32r/m32r-protos.h (gen_cond_store): New.
813         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
814         (gen_cond_store): New, from sCC patterns.
815         (m32r_expand_block_move): Use cbranchsi4.
816         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
817         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
818         (cbranchsi4, cstoresi4): New.
819         
820         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
821         Delete.
822         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
823         (m68hc11_notice_update_cc): Look into a compare with 0.
824         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
825         Delete.
826         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
827         cmphi, cmpqi, bCC): Delete.
828         (cbranchsi4, cbranchhi4, cbranchqi4): New.
829         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
830         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
831         sets with COMPARE.
832
833         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
834         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
835         * config/m68k/constraints.md (H): New.
836         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
837         the define_insn below.
838         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
839         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
840         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
841         patterns): Wrap RHS with COMPARE.
842         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
843         (*cmpdi_internal): Name this pattern.
844         (cmpdi): Change to define_insn.
845         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
846         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
847         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
848         predicate.
849         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
850         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
851         (conditional_trap): Change to...
852         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
853         (*conditional_trap): Use the ordered_comparison_operator and
854         const1_operand predicates.
855         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
856         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
857         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
858         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
859
860         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
861         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
862         (mcore_gen_compare): New. 
863         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
864         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
865         (mcore_gen_compare): ... this.
866         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
867         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
868         (stack probe pattern): Use cbranchsi4.
869
870         * config/mips/predicates.md (mips_cstore_operator): New.
871         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
872         * config/mips/mips.md (any_cond): Delete.
873         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
874         always succeed.
875         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
876         fixuns_truncsfdi2): Use cbranch patterns.
877         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
878         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
879         Adjust call to mips_expand_conditional_branch.
880         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
881         cstore<GPR:mode>4.
882         * config/mips/mips-protos.h (mips_expand_conditional_branch,
883         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
884         * config/mips/mips.c (cmp_operands): Delete.
885         (mips_emit_compare): Get comparison operands from *op0/*op1.
886         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
887         that it succeeds.  Use op0/op1 instead of cmp_operands.
888         (mips_expand_conditional_branch, mips_expand_conditional_move,
889         mips_expand_conditional_trap): Likewise.
890         (mips_block_move_loop): Use cbranch patterns. 
891         * config/mips/mips.h (cmp_operands): Delete.
892
893         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
894         (mmix_gen_compare_reg): Just return a register in the right CC mode.
895         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
896         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
897         (*cmpcc_folded): Rename to...
898         (*cmpdi_folded): this.
899         (*cmpcc): Rename to...
900         (*cmps): ... this.
901         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
902         (bCC): Remove.
903         (cbranchdi4): New.
904         (cbranchdf4): New.  Handle invalid comparisons here.
905         * config/mmix/predicates.md (float_comparison_operator): New.
906
907         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
908         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
909         * config/mn10300/mn10300.md (tst): Delete.
910         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
911         Name these patterns and wrap RHS in a compare.
912         (*cmpsi): Make this pattern private.  Include tst.
913         (*cmpsf): Make this pattern private.
914         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
915         (compare with zero peepholes): Likewise.
916         (bCC): Remove.
917         (cbranchsi4, cbranchsf4): New.
918         (casesi): Use cbranchsi4.
919
920         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
921         hppa_branch_type): Delete.
922         (return_addr_rtx): Use cbranchsi4.
923         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
924         Emit CCFPmode comparison here.
925         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
926         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
927         hppa_branch_type): Delete.
928         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
929         (movsicc, movdicc): Remove references to hppa_compare_op0,
930         hppa_compare_op1 and compare_from_rtx.
931         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
932         (casesi): Use cbranchsi4.
933
934         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
935         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
936         * config/pdp11/pdp11.md (register_or_const0_operand): New.
937         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
938         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
939         (bCC): Delete.
940         (cbranchdf4, cbranchhi4, cbranchqi4): New.
941         (*branch, *branch_inverted): New.
942
943         * config/picochip/picochip.md (cbranchhi4): Use
944         ordered_comparison_operator.
945         (cmphi, bCC): Remove.
946
947         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
948         (trap_comparison_operator): Delete.
949         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
950         rs6000_emit_cbranch): Accept mode and operands.
951         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
952         rs6000_compare_fp_p): Delete.   
953         (rs6000_generate_compare): Accept mode and comparison.  Extract code
954         and op0/op1 from there.  Replace references to rs6000_compare_op0
955         and rs6000_compare_op1.
956         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
957         extract result from passed operands.
958         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
959         extract loc from passed operands.
960         (rs6000_emit_cmove): Likewise.
961         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
962         rs6000_compare_fp_p): Delete.
963         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
964         (cbranch<GPR>4, cbranch<FP>4): New.
965         (cstore<mode>4): New.  Consolidate here all choices about when to use
966         portable or specialized sCC sequences.
967         (stack_protect_test): Use cbranchsi4.
968         (conditional_trap): Replace with ctrap<GPR>4.
969         (conditional trap insn): Replace trap_comparison_operator with
970         ordered_comparison_operator. 
971
972         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
973         (s390_emit_prologue): Use ctrap.
974         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
975         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
976         New predicates replacing...
977         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
978         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
979         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
980         (add<mode>cc): Do not use s390_compare_op0/op1.
981         (s<code>): Change to...
982         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
983         (seq): Change to...
984         (cstorecc4): ... this.  Handle EQ or NE equally.
985         (*sne): Un-privatize for use in cstorecc4.
986         (b<code>): Change to...
987         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
988         (conditional_trap): Replace with...
989         (ctrap<GPR>4, ctrap<FP>4): ... these.
990         (stack_protect): Use cbranchcc4.
991
992         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
993         * config/score/score-protos.h (score_gen_cmp): Delete.
994         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
995         (score_block_move-loop): Use cbranchsi4.
996         * config/score/score.md (cbranchsi4): New.
997         (cmpsi, bCC): Delete.
998         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
999         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1000         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1001         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1002         * config/score/score3.h (score3_gen_cmp): Delete.
1003         * config/score/score7.h (score7_gen_cmp): Delete.
1004
1005         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1006         (sh_emit_scc_to_t): ... this.  Return void.
1007         (from_compare): Rename to...
1008         (sh_emit_compare_and_branch): ... this.
1009         (sh_emit_compare_and_set): New.
1010         (sh_expand_t_scc): Accept operands.
1011         * config/sh/predicates.md (sh_float_comparison_operator): New.
1012         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1013         (prepare_scc_operands): Rename to...
1014         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1015         arguments.
1016         (sh_emit_cheap_store_flag): New.
1017         (sh_emit_set_t_insn): New.
1018         (from_compare): Rename to...
1019         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1020         handling of TARGET_SH2E floating point to avoid recursive call.
1021         Generate branch here.
1022         (sh_emit_compare_and_set): New.
1023         (sh_expand_t_scc): Get op0/op1 from arguments.
1024         (sh_emit_cheap_store_flag): New.
1025         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1026         cases.
1027         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1028         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1029         (movsicc, movdicc): Do nothing when it recreated operands from
1030         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1031         prepare_scc_operands (now sh_emit_scc_to_t).
1032         (udivdi3): Use cstoresi4.
1033         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1034         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1035         (cbranchint4_media, cbranchfp4_media): New.
1036         (casesi): Use cbranchdi4.
1037         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1038         Delete.
1039         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1040         (movnegt): Remove second operand.
1041         (cbranchsf4, cbranchdf4): New.
1042         (stack_protect): Use cbranchdi4/cbranchsi4.
1043
1044         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1045         (gen_compare_reg): Accept comparison, extract part of it to...
1046         (gen_compare_reg_1): ... this. 
1047         (gen_compare_operator): Delete.
1048         (gen_v9_scc): Accept separate destination, comparison code and arms.
1049         Do not use sparc_compare_op0/sparc_compare_op1.
1050         (emit_scc_insn, emit_conditional_branch_insn): New.
1051         (emit_v9_brxx): Make static.  Remove useless assertion.
1052         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1053         emit_cmp_insn.
1054         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1055         * config/sparc/sparc-protos.h (gen_compare_reg,
1056         sparc_emit_float_lib_cmp): Adjust prototype.
1057         (emit_scc_insn, emit_conditional_branch_insn): New.
1058         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1059         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1060         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1061         iterators to the top.
1062         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1063         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1064         snedi_special_trunc): Delete.
1065         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1066         and snedi_special_trunc.
1067         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1068         cbranchdi4, cbranch<F:mode>4): New.
1069         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1070         here.  Use gen_compare_reg instead of gen_compare_operator.
1071         (conditional_trap): Replace with...
1072         (ctrapsi4, ctrapdi4): ... this.
1073         (stack_protect_test): Use cbranchcc4.
1074
1075         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1076         argument to rtx.
1077         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1078         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1079         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1080         from operands[0] or operands[3] depending on is_set.
1081         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1082         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1083         cmpdf, bCC), sCC: Remove.
1084         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1085         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1086         cstoredf4): New.
1087         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1088         spu_emit_branch_or_set.
1089
1090         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1091         Add two arguments.
1092         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1093         xstormy16_compare_op1): Delete.
1094         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1095         xstormy16_compare_op1): Delete. 
1096         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1097         Adjust calls.
1098         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1099         (cmphi, cmpsi, bCC): Remove.
1100
1101         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1102         (*cmpsi): ... this one.
1103         (cbranchsi4, cstoresi4): New.
1104         (bCC expanders): Delete.
1105         (sCC insns): Fold into...
1106         (*setcc): ... this one.
1107         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1108         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1109         (movsicc): Simplify.
1110         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1111
1112         * config/vax/vax-protos.h (cond_name): New.
1113         (vax_output_conditional_branch): Remove.
1114         * config/vax/vax.c (cond_name): New.
1115         (vax_output_conditional_branch): Remove.
1116         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1117         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1118         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1119         (bit<VAXint>): Wrap source with (compare).
1120         (b<code> and following unnamed pattern): Rename to *branch and
1121         *branch_reversed.  Change macroization to match_operator.
1122         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1123
1124         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1125         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1126         Change last argument to machine_mode.
1127         (xtensa_expand_scc): Add machine_mode argument.
1128         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1129         (gen_conditional_move, xtensa_expand_conditional_branch,
1130         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1131         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1132         Adjust operand numbers.
1133         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1134         Delete.
1135         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1136         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1137         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1138
1139 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1140
1141         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1142         causes spurious differences between trunk and cond-optab branch.
1143
1144 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1145
1146         PR target/37137
1147         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1148
1149 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1150
1151         * tree.c (iterative_hash_pointer): Delete.
1152         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1153         Hash UIDs and versions of SSA names.  Don't special-case built-in
1154         function declarations.
1155
1156 2009-05-11  Ian Lance Taylor  <iant@google.com>
1157
1158         PR bootstrap/40103
1159         * graphite.c: Force -Wc++-compat to only be a warning before
1160         #including "cloog/cloog.h".
1161
1162 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1163
1164         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1165         
1166 2009-05-11  Jan Hubicka  <jh@suse.cz>
1167
1168         * tree-ssa-loop-ivcanon.c: Include target.h
1169         (struct loop_size): new structure.
1170         (constant_after_peeling): New predicate.
1171         (tree_estimate_loop_size): New function.
1172         (estimated_unrolled_size): Rewrite for new estimates.
1173         (try_unroll_loop_completely): Use new estimates.
1174         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1175
1176 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1177
1178         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1179         libcpp interface change.
1180         (spu_macro_to_expand): Likewise.
1181
1182 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1183
1184         PR tree-optimization/40026
1185         * gimplify.c (gimplify_init_constructor): Change initial conditional
1186         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1187         optimize_compound_literals_in_ctor.
1188
1189 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1190
1191         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1192         New devices.
1193         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1194
1195 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1196
1197         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1198         HOST_WIDE_INT for gap.
1199
1200 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1201
1202         PR tree-optimization/40074
1203         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1204         account in group size and step comparison.
1205
1206 2009-05-11  Richard Guenther  <rguenther@suse.de>
1207
1208         * passes.c (init_optimization_passes): Strip now incorrect comment.
1209         (execute_function_todo): Do not set PROP_alias.
1210         * tree-pass.h (PROP_alias): Remove.
1211         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1212         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1213         * tree-nrv.c (pass_return_slot): Likewise.
1214         * tree-object-size.c (pass_object_sizes): Likewise.
1215         * tree-ssa-dom.c (pass_dominator): Likewise.
1216         (pass_phi_only_cprop): Likewise.
1217         * tree-ssa-dse.c (pass_dse): Likewise.
1218         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1219         (pass_cselim): Likewise.
1220         * tree-ssa-pre.c (pass_pre): Likewise.
1221         (pass_fre): Likewise.
1222         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1223         * tree-ssa-sink.c (pass_sink_code): Likewise.
1224         * tree-stdarg.c (pass_stdarg): Likewise.
1225         * tree-tailcall.c (pass_tail_calls): Likewise.
1226         * tree-vrp.c (pass_vrp): Likewise.
1227
1228 2009-05-10  Ian Lance Taylor  <iant@google.com>
1229
1230         * basic-block.h (enum profile_status): Break out of struct
1231         control_flow_graph.
1232         * cgraph.h (struct inline_summary): Break out of struct
1233         cgraph_local_info.
1234         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1235         of struct cgraph_order_sort.
1236         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1237         * cse.c (struct branch_path): Break out of struct
1238         cse_basic_block_data.
1239         * except.h (enum eh_region_type): Break out of struct eh_region.
1240         * gcc.c (enum add_del): Break out of struct modify_target.
1241         * genrecog.c (enum decision_type): Break out of struct decision_test.
1242         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1243         ggc_pch_data.
1244         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1245         * regmove.c (enum match_use): New enum, broken out of struct match.
1246         * sched-int.h (enum post_call_group): New enum, broken out of
1247         struct deps.
1248         (struct deps_reg): Break out of struct deps.
1249         * target.h (struct asm_int_op): Break out of struct gcc_target.
1250         * tree-eh.c (struct goto_queue_node): Break out of struct
1251         leh_tf_state.
1252         * tree-inline.h (enum copy_body_cge_which): Break out of
1253         copy_body_data.
1254         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1255
1256         * c-decl.c (in_struct, struct_types): New static variables.
1257         (pushtag): Add loc parameter.  Change all callers.
1258         (lookup_tag): Add ploc parameter.  Change all callers.
1259         (check_compound_literal_type): New function.
1260         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1261         -Wc++-compat, warn about struct/union/enum types defined within a
1262         struct or union.
1263         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1264         and loc parameters.  Change all callers.  Change error calls to
1265         error_at, using loc.  For a redefinition, if the location of the
1266         original definition is known, report it.  Set in_struct and
1267         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1268         (finish_struct): Add new parameters enclosing_in_struct and
1269         enclosing_struct_types.  Change all callers.  Set
1270         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1271         in the struct.  If in a struct, add this struct to struct_types.
1272         (start_enum): Add loc parameter.  Change all callers.  Use
1273         error_at for errors, using loc.  For a redefinition, if the
1274         location of the original definition is known, report it.  If in a
1275         struct, add this enum type to struct_types.  If -Wc++-compat warn
1276         if in sizeof, typeof, or alignof.
1277         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1278         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1279         (c_parser_enum_specifier): Get enum location for start_enum.
1280         (c_parser_struct_or_union_specifier): Get struct location for
1281         start_struct.  Save in_struct and struct_types status between
1282         start_struct and finish_struct.
1283         (c_parser_cast_expression): Get location of cast.
1284         (c_parser_alignof_expression): Get location of type.
1285         (c_parser_postfix_expression): Likewise.
1286         (c_parser_postfix_expression_after_paren_type): Add type_loc
1287         parameter.  Change all callers.  Call check_compound_literal_type.
1288         Use type_loc for error about variable size type.
1289         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1290         of an enum constant from an enum type defined in a struct or union.
1291         (c_cast_expr): Add loc parameter.  Change all callers.  If
1292         -Wc++-compat, warn about defining a type in a cast.
1293         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1294         (start_enum, start_struct, finish_struct): Update declarations.
1295         (parser_xref_tag, c_cast_expr): Update declarations.
1296         (check_compound_literal_type): Declare.
1297
1298 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1299
1300         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1301         for recent libcpp interface change.
1302         (rs6000_macro_to_expand): Likewise.
1303
1304 2009-05-10  Michael Matz  <matz@suse.de>
1305
1306         PR target/40031
1307         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1308         not at entry of function.
1309
1310 2009-05-10  Richard Guenther  <rguenther@suse.de>
1311
1312         PR tree-optimization/40081
1313         Revert
1314         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1315         using the main variant of the element type.  Do not fiddle with
1316         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1317
1318         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1319         structs with volatile fields.
1320
1321 2009-05-10  Jan Hubicka  <jh@suse.cz>
1322
1323         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1324         (estimate_move_cost): Assert that it does not get called for
1325         VOID_TYPE_P.
1326         (estimate_num_insns): Skip VOID types in argument handling.
1327         (optimize_inline_calls): Delete unreachable blocks and verify that
1328         callgraph is valid.
1329
1330 2009-05-10  Jan Hubicka  <jh@suse.cz>
1331
1332         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1333         * cgraph.c (cgraph_mark_address_taken_node): New function.
1334         (dump_cgraph_node): Dump new flag.
1335         * cgraph.h (struct cgraph_node): Add address_taken.
1336         (cgraph_mark_address_taken_node): New function.
1337         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1338         since new direct calls can be born.
1339
1340 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1341
1342         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1343         tok->val.node.node.
1344
1345 2009-05-10  Jan Hubicka  <jh@suse.cz>
1346
1347         PR middle-end/40084
1348         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1349         argument; rewrite.
1350         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1351         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1352         * tree-inline.c (copy_bb): Set frequency correctly.
1353         (fold_marked_statements): Update call to
1354         cgraph_update_edges_for_call_stmt.
1355
1356 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1357
1358         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1359         identifiers in diagnostics.
1360         * config/arm/arm.c (arm_handle_fndecl_attribute,
1361         arm_handle_isr_attribute): Likewise.
1362         * config/avr/avr.c (avr_handle_progmem_attribute,
1363         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1364         Likewise.
1365         * config/bfin/bfin.c (handle_int_attribute,
1366         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1367         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1368         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1369         Likewise.
1370         * config/darwin.c (darwin_handle_kext_attribute,
1371         darwin_handle_weak_import_attribute): Likewise.
1372         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1373         h8300_handle_eightbit_data_attribute,
1374         h8300_handle_tiny_data_attribute): Likewise.
1375         * config/i386/i386.c (ix86_handle_cconv_attribute,
1376         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1377         Likewise.
1378         * config/i386/winnt.c (ix86_handle_shared_attribute,
1379         ix86_handle_selectany_attribute): Likewise.
1380         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1381         * config/m32c/m32c.c (function_vector_handler): Likewise.
1382         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1383         m68hc11_handle_fntype_attribute): Likewise.
1384         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1385         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1386         * config/mips/mips.c (mips_insert_attributes,
1387         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1388         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1389         rs6000_handle_struct_attribute): Likewise.
1390         * config/sh/sh.c (sh_insert_attributes,
1391         sh_handle_resbank_handler_attribute,
1392         sh_handle_interrupt_handler_attribute,
1393         sh2a_handle_function_vector_handler_attribute,
1394         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1395         Likewise.
1396         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1397         * config/spu/spu.c (spu_handle_fndecl_attribute,
1398         spu_handle_vector_attribute): Likewise.
1399         * config/stormy16/stormy16.c
1400         (xstormy16_handle_interrupt_attribute): Likewise.
1401         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1402         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1403
1404 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1405
1406         * pretty-print.h (struct pretty_print_info): Add
1407         translate_identifiers.
1408         (pp_translate_identifiers): New.
1409         (pp_identifier): Only conditionally translate identifier to locale
1410         character set.
1411         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1412         (pp_base_tree_identifier): Only conditionally translate identifier
1413         to locale character set.
1414         * c-pretty-print.c (M_): Define.
1415         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1416         fragments for conditional translation with M_.
1417         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1418         identifier translation.
1419
1420 2009-05-10  Richard Guenther  <rguenther@suse.de>
1421
1422         PR tree-optimization/40081
1423         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1424         using the main variant of the element type.  Do not fiddle with
1425         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1426
1427 2009-05-09  Jan Hubicka  <jh@suse.cz>
1428
1429         PR middle-end/40080
1430         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1431         indirect calls; verify cgraph afterwards.
1432
1433 2009-05-09  Jan Hubicka  <jh@suse.cz>
1434
1435         PR bootstrap/40082
1436         * ipa.c (update_inlined_to_pointer): New function.
1437         (cgraph_remove_unreachable_nodes): Use it.
1438
1439 2009-05-09  Jan Hubicka  <jh@suse.cz>
1440
1441         * tree-eh.c (struct leh_state): Remove prev_try.
1442         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1443         not track prev_try.
1444         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1445         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1446         remove_eh_handler_and_replace, foreach_reachable_handler,
1447         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1448         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1449         (gen_eh_region_cleanup): Update prototype.
1450
1451 2009-05-09  Jan Hubicka  <jh@suse.cz>
1452
1453         PR middle-end/40043
1454         * except.c (copy_eh_region): Always set prev_try.
1455         (redirect_eh_edge_to_label): Find outer try.
1456         (foreach_reachable_handler): When looking for prev try
1457         handle case where previous try is not going to be taken.
1458
1459 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1460
1461         PR tree-optimization/40049
1462         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1463         only vector/vector shifts, convert the type of the constant to the
1464         appropriate type to avoid building incorrect trees, which
1465         eventually have problems with garbage collection.
1466
1467 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1468
1469         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1470         -1 for complex floating-point types if honoring signed zeros.
1471
1472 2009-05-08  Jan Hubicka  <jh@suse.cz>
1473
1474         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1475         argument; handle correctly when profile is absent.
1476         (build_cgraph_edges): Update.
1477         (rebuild_cgraph_edges): Update.
1478         * cgraph.c: Do not include varray.h.
1479         (cgraph_set_call_stmt_including_clones): New function.
1480         (cgraph_create_edge_including_clones): Likewise
1481         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1482         (cgraph_update_edges_for_call_stmt): Handle clones.
1483         (cgraph_remove_node): Handle clone tree.
1484         (cgraph_remove_node_and_inline_clones): New function.
1485         (dump_cgraph_node): Dump clone tree.
1486         (cgraph_clone_node): Handle clone tree.
1487         (clone_function_name): Bring here from tree-inline.c.
1488         (cgraph_create_virtual_clone): New function.
1489         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1490         (cgraph_clone_info): New function.
1491         (strut cgraph_node): Add clone_info and new clone tree pointers.
1492         (cgraph_remove_node_and_inline_clones,
1493         cgraph_set_call_stmt_including_clones,
1494         cgraph_create_edge_including_clones,
1495         cgraph_create_virtual_clone): Declare.
1496         (cgraph_function_versioning): Use VEC argument.
1497         (compute_call_stmt_bb_frequency): Update prototype.
1498         (cgraph_materialize_all_clones): New function.
1499         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1500         (ipcp_create_replace_map): Update to VECtors.
1501         (ipcp_update_callgraph): Use virtual clones.
1502         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1503         (ipcp_update_profiling): Do not update local profiling.
1504         (ipcp_insert_stage): Use VECtors and virtual clones.
1505         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1506         (clone_of_p): New function.
1507         (cgraph_preserve_function_body_p): Use clone tree.
1508         (cgraph_optimize): Materialize clones.
1509         (cgraph_function_versioning): Update for VECtors.
1510         (save_inline_function_body): Use clone tree.
1511         (cgraph_materialize_clone): New function.
1512         (cgraph_materialize_all_clones): Likewise.
1513         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1514         * ipa.c: Include gimple.h.
1515         (cgraph_remove_unreachable_nodes): Use clone tree.
1516         * ipa-prop.c (ipa_note_param_call): Update call to
1517         compute_call_stmt_bb_frequencycall.
1518         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1519         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1520         (copy_bb): Handle updating of clone tree; add new edge when new call
1521         appears.
1522         (expand_call_inline): Be strict about every call having edge.
1523         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1524         (delete_unreachable_blocks_update_callgraph): New function.
1525         (tree_function_versioning): Use VECtors; always remove unreachable
1526         blocks and fold conditionals.
1527         * tree-inline.h: Do not include varray.h.
1528         (tree_function_versioning): Remove.
1529         * Makefile.in (GTFILES): Remove tree-inline.c
1530         * passes.c (do_per_function): Do only functions having body.
1531         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1532         tree.
1533
1534 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1535             Andrew Morrow  <acm@google.com>
1536
1537         PR c/36892
1538         * c-common.c (c_common_attribute_table): Permit deprecated
1539         attribute to take an optional argument.
1540         (handle_deprecated_attribute): If the optional argument to
1541         __attribute__((deprecated)) is not a string ignore the attribute
1542         and emit a warning.
1543
1544         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1545         * c-typeck.c (build_component_ref): Likewise.
1546         (build_external_ref): Likewise.
1547
1548         * toplev.c (warn_deprecated_use): Add an attribute argument.
1549         Emit the message associated with __attribute__((deprecated)).
1550
1551         * toplev.h (warn_deprecated_use): Updated.
1552
1553         * doc/extend.texi: Document new optional parameter to
1554         __attribute__((deprecated))
1555
1556 2009-05-08  Michael Eager <eager@eagercon.com>
1557
1558         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1559         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1560
1561 2009-05-08  Richard Guenther  <rguenther@suse.de>
1562
1563         PR tree-optimization/40062
1564         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1565         Avoid exponential behavior.
1566
1567 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1568
1569         PR rtl-optimization/33928
1570         PR 26854
1571         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1572         process_uses, build_single_def_use_links): New.
1573         (update_df): Update use_def_ref.
1574         (forward_propagate_into): Use get_def_for_use instead of use-def
1575         chains.
1576         (fwprop_init): Call build_single_def_use_links and let it initialize
1577         dataflow.
1578         (fwprop_done): Free use_def_ref.
1579         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1580         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1581         df_rd_simulate_one_insn): New.
1582         (df_rd_bb_local_compute_process_def): Update head comment.
1583         (df_chain_create_bb): Use the new RD simulation functions.
1584         * df.h (df_rd_simulate_artificial_defs_at_top, 
1585         df_rd_simulate_one_insn): New.
1586         * opts.c (decode_options): Enable fwprop at -O1.
1587         * doc/invoke.texi (-fforward-propagate): Document this.
1588
1589 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1590
1591         PR c/24581
1592         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1593         and one complex operand specially.
1594         * tree-complex.c (some_nonzerop): Do not identify a real value as
1595         zero if flag_signed_zeros.
1596
1597 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1598
1599         PR rtl-optimization/33928
1600         * loop-invariant.c (record_use): Fix && vs. || mishap.
1601
1602 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1603
1604         PR rtl-optimization/33928
1605         * loop-invariant.c (struct use): Add addr_use_p.
1606         (struct def): Add n_addr_uses.
1607         (struct invariant): Add cheap_address.
1608         (create_new_invariant): Set cheap_address.
1609         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1610         (record_uses): Pass df_ref to record_use.
1611         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1612         used only as such.
1613
1614 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1615
1616         * config/sh/sh.c: Do not include c-pragma.h.
1617
1618 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1619
1620         * config/spu/spu.c: Remove include of c-common.h.
1621
1622 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1623
1624         PR c/39037
1625         * c-common.h (mark_valid_location_for_stdc_pragma,
1626         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1627         clear_float_const_decimal64, float_const_decimal64_p): New.
1628         * c.opt (Wunsuffixed-float-constants): New.
1629         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1630         unsuffixed float constant, handle new warning.
1631         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1632         * c-decl.c (c_scope): New flag float_const_decimal64.
1633         (set_float_const_decimal64, clear_float_const_decimal64,
1634         float_const_decimal64_p): New.
1635         (push_scope): Set new flag.
1636         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1637         to use STDC pragmas.
1638         (c_parser_external_declaration): Ditto.
1639         (c_parser_compound_statement_nostart): Ditto.
1640         * c-pragma.c (valid_location_for_stdc_pragma,
1641         mark_valid_location_for_stdc_pragma,
1642         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1643         handle_pragma_float_const_decimal64): New.
1644         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1645         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1646         set_float_const_decimal64, clear_float_const_decimal64,
1647         float_const_decimal64_p): New dummy functions.
1648         * doc/extend.texi (Decimal Float): Remove statement that the
1649         pragma, and suffix for double constants, are not supported.
1650         * doc/invoke.texi (Warning Options): List new option.
1651         (-Wunsuffixed-float-constants): New.
1652
1653 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1654
1655         * config/i386/i386.c: Do not include c-common.h.
1656
1657 2009-05-07  Mark Heffernan  <meheff@google.com>
1658
1659         * doc/invoke.texi (Debugging Options): Document change of debugging
1660         dump location.
1661         * opts.c (decode_options): Make dump_base_name relative to
1662         aux_base_name directory.
1663
1664 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1665
1666         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1667         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1668
1669 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1670
1671         * Makefile.in (install-plugin): Simplify a bit.
1672
1673 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1674
1675         * Makefile.in (OBJS-common): Add regcprop.o.
1676         (regcprop.o): New.
1677         * timevar.def (TV_CPROP_REGISTERS): New.
1678         * regrename.c (regrename_optimize): Return 0.
1679         (rest_of_handle_regrename): Delete.
1680         (pass_rename_registers): Point to regrename_optimize.
1681         (struct value_data_entry, struct value_data, 
1682         kill_value_one_regno, kill_value_regno, kill_value,
1683         set_value_regno, init_value_data, kill_clobbered_value,
1684         kill_set_value, kill_autoinc_value, copy_value,
1685         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1686         replace_oldest_value_reg, replace_oldest_value_addr,
1687         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1688         debug_value_data, validate_value_data): Move...
1689         * regcprop.c: ... here.
1690         (rest_of_handle_cprop): Delete.
1691         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1692
1693 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1694
1695         PR middle-end/40057
1696         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1697         GEN_INT for 1 << bitnum.
1698         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1699         build_int_cst_type.
1700
1701 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1702
1703         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1704         Remove wrong description of "nand" operation.
1705
1706 2009-05-06  Richard Guenther  <rguenther@suse.de>
1707             Adam Nemet  <anemet@caviumnetworks.com>
1708
1709         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1710         comment.  Add that if LHS is not a gimple register, then RHS1 has
1711         to be a single object (GIMPLE_SINGLE_RHS).
1712
1713 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1714
1715         * expr.c (get_def_for_expr): Move it up in the file.
1716         (store_field): When expanding a bit-field store, look at the
1717         defining gimple stmt for the masking conversion.
1718
1719 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1720
1721         PR middle-end/39986
1722         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1723         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1724         32-bit memcpy into long.
1725
1726 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1727
1728         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1729         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1730         new_reg_loc_descr.
1731         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1732         instead of appending DW_OP_deref*.
1733
1734 2009-05-06  Michael Matz  <matz@suse.de>
1735
1736         PR middle-end/40021
1737         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1738         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1739
1740 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1741
1742         * Makefile.in (install-plugin): Fix srcdir handling.
1743
1744 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1745
1746         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1747         when processing for not_regs_needed bitmap.
1748         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1749         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1750         handling it for rhs. 
1751
1752 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1753
1754         * config/i386/i386.md (unnamed inc/dec peephole): Use
1755         optimize_insn_for_size_p instead of optimize_size.
1756         * config/i386/predicates.md (incdec_operand): Likewise.
1757         (aligned_operand): Likewise.
1758         * config/i386/sse.md (divv8sf3): Likewise.
1759         (sqrtv8sf2): Likewise.
1760
1761 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1762
1763         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1764
1765         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1766
1767 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1768
1769         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1770         ssemodesuffixf2c with avxmodesuffixf2c.
1771
1772 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1773
1774         PR c/40032
1775         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1776
1777 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1778
1779         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1780         (struct tree_base): Adjust spacing for 8 bit boundaries.
1781         (struct tree_decl_common): Add decl_by_reference_flag bit.
1782         (DECL_BY_REFERENCE): Adjust.
1783         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1784         print DECL_BY_REFERENCE bit.
1785         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1786         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1787         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1788         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1789         unconditionally.
1790
1791         PR middle-end/39666
1792         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1793         range of the type, but default label is missing, add it with one
1794         of the existing labels instead of adding a new label for it.
1795
1796 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1797
1798         * dwarf.h: Remove.
1799
1800 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1801
1802         * Makefile.in (enable_plugin, plugin_includedir): New.
1803         (install): Depend on install-plugin.
1804         (PLUGIN_HEADERS): New.
1805         (install-plugin): New.
1806         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1807
1808 2009-05-05  Richard Guenther  <rguenther@suse.de>
1809
1810         PR tree-optimization/40022
1811         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1812         the only vuse.
1813         (phivn_valid_p): Fix tuplification error, simplify.
1814         (phiprop_insert_phi): Add dumps.
1815         (propagate_with_phi): Simplify.
1816
1817 2009-05-05  Richard Guenther  <rguenther@suse.de>
1818
1819         PR middle-end/40023
1820         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1821
1822 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1823
1824         * tree.h (strip_float_extensions): Remove duplicate declaration.
1825         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1826         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1827         block_ultimate_origin): Rearrange the declarations line to match the
1828         comment that indicates the .c file which the functions are defined.
1829         (dwarf2out_*, set_decl_rtl): Add comment.
1830         (get_base_address): Adjust comment.
1831         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1832         declarations line and add comment.
1833         (is_builtin_name): Add blank after function name, for clarity.
1834
1835 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1836
1837         * attribs.c (decl_attributes): Use %qE for identifiers in
1838         diagnostics.
1839         * cgraphunit.c (verify_cgraph_node): Translate function names to
1840         locale character set in diagnostics.
1841         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1842         diagnostics.
1843         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1844         Document that functions are named in UTF-8.
1845         * expr.c (expand_expr_real_1): Translate function names to locale
1846         character set in diagnostics.
1847         * gimplify.c (omp_notice_variable, omp_is_private,
1848         gimplify_scan_omp_clauses): Use %qE for identifiers in
1849         diagnostics.
1850         * langhooks.c (lhd_print_error_function): Translate function names
1851         to locale character set.
1852         * langhooks.h (decl_printable_name): Document that return value is
1853         in internal character set.
1854         * stmt.c: Include pretty-print.h
1855         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1856         diagnostics.
1857         (resolve_operand_name_1): Translate named operand name to locale
1858         character set.
1859         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1860         diagnostics.
1861         * toplev.c (announce_function): Translate function names to locale
1862         character set.
1863         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1864         (default_tree_printer): Use pp_identifier or translate identifiers
1865         to locale character set.  Mark "<anonymous>" for translation.
1866         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1867         for identifiers in diagnostics.
1868         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1869         diagnostics.
1870         * varasm.c (output_constructor): Use %qE for identifiers in
1871         diagnostics.
1872
1873 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1874
1875         * configure.ac: use ` ` instead of $()
1876         * configure: Regenerate.
1877
1878 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1879
1880         * config/pa/linux-atomic.c: Eliminate conditional include of
1881         errno.h on non-LP64 systems to simplify build requirements.
1882
1883 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1884
1885         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1886         diagnostics.
1887         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1888         and pass value to identifier_to_locale.
1889         (warn_variable_length_array): Make name a tree.
1890         (grokdeclarator): Separate diagnostic texts for named and unnamed
1891         declarators.  Use %qE for named declarators.
1892         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1893         diagnostics.
1894         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1895         identifiers in diagnostics.
1896         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1897         identifier_to_locale.  Mark "anonymous" strings for translation.
1898
1899 2009-05-04  Michael Eager <eager@eagercon.com>
1900
1901         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1902         address for DImode/DFmode only if double-precision FP regs.
1903
1904 2009-05-04  Michael Eager <eager@eagercon.com>
1905
1906         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1907         TARGET_SINGLE_FLOAT check.
1908
1909 2009-05-04  Michael Eager <eager@eagercon.com>
1910
1911         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1912
1913 2009-05-04  Michael Eager <eager@eagercon.com>
1914
1915         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1916         * config/rs6000/t-xilinx: New
1917
1918 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1919
1920         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1921         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1922         * gcc/explow.c (memory_address): Use target hook.
1923         * gcc/targhooks.c (default_legitimize_address): New.
1924         * gcc/targhooks.h (default_legitimize_address): New.
1925         * gcc/target.h (legitimize_address): New.
1926         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1927         (TARGET_INITIALIZER): Include it.
1928         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1929
1930         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1931         * config/bfin/bfin.c (legitimize_address): Remove.
1932         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1933         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1934         Remove.
1935         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1936         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1937
1938         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1939         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1940         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1941         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1942         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1943         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1944         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1945         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1946         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1947         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1948         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1949         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1950         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1951         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1952         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1953         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1954         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1955         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1956         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1957         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1958         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1959         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1960         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1961
1962         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1963         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1964         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1965         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1966         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1967         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1968         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1969         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1970         (thumb_legitimize_address): Delete.
1971         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1972         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1973         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1974         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1975         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1976         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1977         Delete.
1978         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1979         Delete.
1980
1981         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1982         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1983         * config/m32r/m32r.c (m32r_legitimize_address): New.
1984         * config/m68k/m68k.c (m68k_legitimize_address): New.
1985         * config/score/score.c (score_legitimize_address): Standardize.
1986         * config/score/score3.c (score3_legitimize_address): Standardize.
1987         * config/score/score3.h (score3_legitimize_address): Adjust.
1988         * config/score/score7.c (score7_legitimize_address): Standardize.
1989         * config/score/score7.h (score7_legitimize_address): Adjust.
1990         * config/sh/sh.c (sh_legitimize_address): New.
1991         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1992
1993         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1994         (s390_legitimize_address): ... this.
1995         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1996         (sparc_legitimize_address): ... this.
1997         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1998         (ix86_legitimize_address): ... this.
1999         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2000         (avr_legitimize_address): ... this.
2001         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2002         (mn10300_legitimize_address): ... this.
2003         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2004         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2005         (alpha_expand_mov): Adjust call.
2006
2007         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2008         * config/spu/spu.c (spu_legitimize_address): Likewise.
2009         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2010         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2011
2012 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2013
2014         * intl.c (locale_encoding, locale_utf8): New.
2015         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2016         * intl.h (locale_encoding, locale_utf8): Declare.
2017         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2018         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2019         New.
2020         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2021         argument.
2022         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2023         (pp_base_tree_identifier): Declare as function.
2024         (identifier_to_locale): Declare.
2025         * Makefile.in (pretty-print.o): Update dependencies.
2026         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2027
2028 2009-05-04  Richard Guenther  <rguenther@suse.de>
2029
2030         PR middle-end/40015
2031         * builtins.c (fold_builtin_memory_op): Do not decay to element
2032         type if the size matches the whole array.
2033
2034 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2035
2036         * expmed.c (synth_mult): When trying out a shift, pass the result
2037         of a signed shift.
2038
2039 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2040
2041         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2042         (shiftsub1_cost): New.
2043         (init_expmed): Compute shiftsub1_cost.
2044         (synth_mult): Optimize multiplications by constants of the form
2045         -(2^^m-1) for some constant positive integer m.
2046
2047 2009-05-03  Richard Guenther  <rguenther@suse.de>
2048
2049         PR c/39983
2050         * c-typeck.c (array_to_pointer_conversion): Do not built
2051         ADDR_EXPRs of arrays of pointer-to-element type.
2052         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2053         up wrong ADDR_EXPRs after-the-fact.
2054         * c-common.c (strict_aliasing_warning): Strip pointer
2055         conversions for obtaining the original type.
2056         * builtins.c (fold_builtin_memset): Handle array types.
2057         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2058         and array types
2059
2060 2009-05-03  Richard Guenther  <rguenther@suse.de>
2061
2062         PR middle-end/23329
2063         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2064         Do not lose casts from array types with unknown extent to array
2065         types with known extent.
2066         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2067         alias set compatibility.
2068
2069 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2070
2071         * flags.h (extra_warnings): Delete.
2072         * toplev.c (process_options): Handle Wuninitialized here.
2073         * opts.c (extra_warnings): Delete.
2074         (set_Wextra): Delete.
2075         (common_handle_option): -Wextra can be handled automatically.
2076         * c-opts.c (c_common_handle_option): Delete obsolete code.
2077         (c_common_post_options): Simplify comment.
2078         * common.opt (W): Add Var.
2079         (Wextra): Add Var.
2080         (Wuninitialized): Initialize to -1.
2081
2082 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2083             Richard Guenther  <rguenther@suse.de>
2084
2085         * expr.c (get_def_for_expr): New function.
2086         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2087         SSA rather than trees.
2088         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2089         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2090         
2091 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2092
2093         * c-common.c (reswords): Add _Imaginary.
2094         * c-common.c (enum rid): Add RID_IMAGINARY.
2095
2096 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2097
2098         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2099         Patch by Richard Guenther.
2100
2101 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2102
2103         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2104         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2105         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2106         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2107         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2108         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2109         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2110         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2111         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2112         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2113         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2114         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2115         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2116         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2117         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2118         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2119         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2120         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2121
2122 2009-05-02  Richard Guenther  <rguenther@suse.de>
2123
2124         PR tree-optimization/39940
2125         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2126         doing so.
2127
2128 2009-05-02  Richard Guenther  <rguenther@suse.de>
2129
2130         PR middle-end/40001
2131         * tree-ssa.c (execute_update_addresses_taken): Properly check
2132         if we can mark a variable DECL_GIMPLE_REG_P.
2133         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2134         back to the end of the function.
2135         (is_gimple_reg_type): Remove complex type special casing.
2136         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2137         if not optimizing.
2138
2139 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2140
2141         * doc/collect2.texi (Collect2): Document search path behaviour
2142         when configured with --with-ld.
2143
2144 2009-05-02  Jan Hubicka  <jh@suse.cz>
2145
2146         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2147         parameter; update callers.
2148         (coalesce_cost_edge): EH edges are costier because they needs
2149         splitting even if not critical and even more costier when there are
2150         multiple EH predecestors.
2151
2152 2009-05-02  Jan Hubicka  <jh@suse.cz>
2153
2154         * except.c (remove_eh_handler_and_replace): Handle updating after
2155         removing TRY blocks.
2156
2157 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2158
2159         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2160
2161 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2162
2163         * varasm.c: Do not include c-pragma.h.
2164         * attribs.c: Do not incude c-common.h.
2165
2166 2009-05-01  Michael Matz  <matz@suse.de>
2167
2168         * calls.c (initialize_argument_information): Handle SSA names like
2169         decls with a non MEM_P DECL_RTL.
2170
2171 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2172
2173         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2174         * ipa-utils.c: Likewise.
2175         * ipa-type-escape.c: Likewise.
2176         * cgraphunit.c Do not include c-common.h.
2177         * ipa-pure-const.c: Likewise.
2178         * tree-if-conv.c: Likewise.
2179         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2180         * ipa-struct-reorg.c: Likewise.
2181         * tree-nomudflap.c: Likewise.
2182         * tree-ssa-structalias.c: Likewise.
2183
2184 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2185
2186         * store-motion.c: Many cleanups to make this pass a first-class
2187         citizen instead of an appendix to gcse load motion.  Add TODO list
2188         to make this pass faster/cleaner/better.
2189
2190         (struct ls_expr): Post gcse.c-split cleanups.
2191         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2192         "stores" field to "avail_stores".
2193         (pre_ldst_mems): Rename to store_motion_mems.
2194         (pre_ldst_table): Rename to store_motion_mems_table.
2195         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2196         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2197         (ldst_entry): Rename to st_expr_entry, update users.
2198         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2199         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2200         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2201         update caller.
2202         (first_ls_expr): Rename to first_st_expr, update users.
2203         (next_ls_expr): Rename to next_st_expr, update users.
2204         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2205         fields properly for store motion instead of names inherited from load
2206         motion in gcse.c.
2207         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2208         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2209         are done with it.
2210
2211         (ae_kill): Rename to st_kill, update users.
2212         (ae_gen): Rename to st_avloc, update users.
2213         (transp): Rename to st_transp, update users.
2214         (pre_insert_map): Rename to st_insert_map, update users.
2215         (pre_delete_map): Rename to st_delete_map, update users.
2216         (insert_store, build_store_vectors, free_store_memory,
2217         one_store_motion_pass): Update for abovementioned changes.
2218
2219         (gcse_subst_count, gcse_create_count): Remove.
2220         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2221         and "n_stores_created", local variables.
2222
2223         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2224         use for_each_rtx.
2225
2226         (regvec, compute_store_table_current_insn): Remove.
2227         (reg_set_info, reg_clear_last_set): Remove.
2228         (compute_store_table): Use DF caches instead of local dataflow
2229         solvers.
2230
2231 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2232
2233         * c-objc-common.c (c_tree_printer): Print identifiers with
2234         pp_identifier, not pp_string.  Mark "({anonymous})" for
2235         translation.
2236         * c-pretty-print.c (pp_c_ws_string): New.
2237         (pp_c_cv_qualifier, pp_c_type_specifier,
2238         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2239         pp_c_storage_class_specifier, pp_c_function_specifier,
2240         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2241         pp_c_primary_expression, pp_c_postfix_expression,
2242         pp_c_unary_expression, pp_c_shift_expression,
2243         pp_c_relational_expression, pp_c_equality_expression,
2244         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2245         use pp_string and pp_c_ws_string in place of pp_identifier and
2246         pp_c_identifier for non-identifiers.  Mark English strings for
2247         translation.
2248         * c-pretty-print.h (pp_c_ws_string): Declare.
2249
2250 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2251             Roland McGrath <roland@redhat.com>
2252
2253         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2254         (ENABLE_LD_BUILDID): New configuration option.
2255         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2256         (LINK_BUILDID_SPEC): New macro.
2257         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2258         link_spec.
2259         * doc/install.texi: Document --enable-linker-build-id option.
2260         * configure: Rebuild.
2261         * config.in: Rebuild.
2262
2263 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2264
2265         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2266         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2267         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2268         MIPS_GP_SAVE_AREA_SIZE.
2269         * config/mips/mips.c (struct mips_frame_info): Update comment
2270         before arg_pointer_offset and hard_frame_pointer_offset.
2271         (mips_compute_frame_info): Update diagram before function: to
2272         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2273         indicate the position of frame_pointer_rtx with -fstack-protector and
2274         to show args_size.  Don't allocate cprestore area for leaf functions
2275         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2276         cprestore_size.
2277         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2278
2279 2009-04-30  Michael Matz  <matz@suse.de>
2280
2281         PR tree-optimization/39955
2282         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2283
2284 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2285
2286         * ira.c (setup_cover_and_important_classes):  Use safe macro
2287         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2288         directly.
2289         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2290         REG_CLASS_FOR_CONSTRAINT.
2291
2292 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2293
2294         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2295         instead of an int.
2296         * bitmap.c (bitmap_descriptor): Likewise.
2297         * ggc-common.c (loc_descriptor): Likewise.
2298         * varray.c (varray_descriptor): Likewise.
2299         * vec.c (vec_descriptor): Likewise.
2300
2301 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2302
2303         * Makefile.in (dce.o): Add $(EXCEPT_H).
2304         * dce.c: Include except.h and delete redundant vector definitions.
2305         (deletable_insn_p): Return false for non-call insns that can throw
2306         if DF is running.
2307
2308 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2309
2310         * gcse.c (ae_gen): Remove.
2311         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2312         and make non-static function to make it available in store-motion.c.
2313         Update call sites with search-and-replace.
2314         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2315         extract_mentioned_regs, extract_mentioned_regs_helper,
2316         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2317         store_killed_in_insn, store_killed_after, store_killed_before,
2318         build_store_vectors, insert_insn_start_basic_block, insert-store,
2319         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2320         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2321         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2322         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2323         and clean up to remove parts not used by store motion.
2324         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2325         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2326
2327 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2328
2329         PR target/38571
2330         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2331         when optimizing for size.
2332
2333 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2334
2335         * gcse.c (gcse_constant_p): Fix typo in last change.
2336
2337 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2338
2339         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2340
2341 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2342
2343         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2344
2345 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2346
2347         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2348         CONST_HIGH_PART result.
2349
2350 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2351
2352         * config/avr/avr.c (initial_elimination_offset): Rename to
2353         avr_initial_elimination_offset.
2354         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2355         change return type to bool.
2356         (avr_can_eliminate): New function.
2357         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2358         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2359         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2360         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2361         avr_initial_elimination_offset.
2362         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2363         (avr_initial_elimination_offset): Define.
2364
2365 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2366             Steven Bosscher  <steven@gcc.gnu.org>
2367
2368         PR rtl-optimization/39938
2369         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2370         * cfgrtl.c: Include insn-attr.h.
2371         (rest_of_pass_free_cfg): New function.
2372         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2373         * resource.c (init_resource_info): Remove call to df_analyze.
2374
2375 2009-04-29  Richard Guenther  <rguenther@suse.de>
2376
2377         PR target/39943
2378         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2379         allow conversion to signed integers.
2380
2381 2009-04-29  Richard Guenther  <rguenther@suse.de>
2382
2383         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2384         shifts of floating point vectors if the shift amount is
2385         a constant multiple of the element size.
2386
2387 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2388             Michael Matz  <matz@suse.de>
2389
2390         PR middle-end/39927
2391         PR bootstrap/39929
2392         * tree-outof-ssa.c (emit_partition_copy): New function.
2393         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2394         insert_part_to_rtx_on_edge): Perform the partition base var
2395         copy using emit_partition_copy.
2396         (insert_value_copy_on_edge): Convert constants to the right mode.
2397         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2398         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2399
2400 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2401
2402         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2403         scan backwards to try to find a constant to initialize it.
2404
2405         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2406         insn before the loop_end instruction, don't look past labels.
2407
2408 2009-04-29  Richard Guenther  <rguenther@suse.de>
2409
2410         PR middle-end/39937
2411         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2412         loose type conversions.
2413         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2414         stmts only if there are no uses of its definition.
2415
2416 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2417
2418         * config/bfin/bfin.h (splitting_loops): Declare.
2419         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2420         Reorder bit definitions to be ascending.
2421         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2422         * config/bfin/bfin.c (splitting_loops): New variable.
2423         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2424         (struct loop_info): Remove members INIT and LOOP_INIT.
2425         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2426         the LSETUP sequence.  Allow LC to be loaded from any register, but
2427         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2428         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2429         set to 1.
2430         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2431         of reload_completed.
2432
2433         From Jie Zhang:
2434         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2435
2436 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2437
2438         * Makefile.in (PLUGIN_VERSION_H): New.
2439         (OBJS-common): Remove plugin-version.o.
2440         (plugin.o): Depend on (PLUGIN_VERSION_H).
2441         (plugin-version.o): Remove.
2442         * configure: Regenerate
2443         * configure.ac: Create plugin-version.h.
2444         * gcc-plugin.h (plugin_gcc_version): Remove.
2445         (plugin_default_version_check): Change signature.
2446         * plugin-version.c: Remove.
2447         * plugin.c: Include plugin-version.h.
2448         (str_plugin_gcc_version_name): Remove.
2449         (try_init_one_plugin): Pass gcc version to plugin_init.
2450         (plugin_default_version_check): Both gcc and plugin versions are now
2451         arguments.
2452
2453 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2454         
2455         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2456         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2457         Remove special case testing for last insn of inner loops. Don't fail
2458         if the loop ends with a jump, emit an extra nop instead.
2459
2460         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2461         DREGS rather than comparing directly.  Remove code that tries to
2462         account for latencies.
2463
2464 2009-04-29  Richard Guenther  <rguenther@suse.de>
2465
2466         PR tree-optimization/39941
2467         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2468         eliminating an indirect call.
2469
2470 2009-04-29  Richard Guenther  <rguenther@suse.de>
2471
2472         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2473         parameter.  Allow invariants as base if !require_lvalue.
2474         (verify_gimple_assign_single): Adjust.
2475
2476 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2477
2478         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2479         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2480         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2481         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2482         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2483         a VEC_SELECT.
2484         * config/bfin/bfin.c (bfin_expand_builtin,
2485         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2486
2487 2009-04-28  Richard Guenther  <rguenther@suse.de>
2488
2489         * tree-vect-loop.c (get_initial_def_for_induction): Use
2490         correct types for pointer increment.
2491
2492 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2493
2494         * toplev.c (print_version): Update GMP version string calculation.
2495
2496 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2497
2498         PR rtl-optimization/39938
2499         * resource.c (init_resource_info): Add call to df_analyze.
2500
2501 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2502
2503         * config/alpha/alpha.md (usegp): Cast the result of
2504         alpha_find_lo_sum_using_gp to enum attr_usegp.
2505         * config/alpha/alpha.c (override_options): Remove end-of-structure
2506         marker element from cpu_table.  Use array size of cpu_table to handle
2507         -mcpu and -mtune options.
2508         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2509
2510 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2511
2512         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2513         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2514         tune_32 and tune_64.
2515         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2516         support on PowerPC.
2517         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2518         * config/rs6000/option-defaults.h: ... here.  New file.
2519         (OPT_64, OPT_32): Define.
2520         (MASK_64BIT): Define to 0 if not already defined.
2521         (OPT_ARCH64, OPT_ARCH32): Define.
2522         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2523         and tune_64.
2524
2525 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2526
2527         * config/arm/arm.c (arm_override_options): Emit error on using
2528         fpa with AAPCS.
2529
2530 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         PR rtl-optimization/39914
2533         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2534         registers for allocnos created from user-defined variables only
2535         when not optimizing.
2536
2537 2009-04-28  Richard Guenther  <rguenther@suse.de>
2538
2539         PR middle-end/39937
2540         * fold-const.c (fold_binary): Use distribute_real_division only
2541         on float types.
2542
2543 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2544
2545         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2546         add hpux-stdint.h to tm_file.
2547         (hppa[12]*-*-hpux11*): Ditto.
2548         (ia64*-*-hpux*): Ditto.
2549         * config/hpux-stdint.h: New.
2550         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2551         __STDC_EXT__ for all compiles.
2552         * config/pa/pa-hpux.h: Ditto.
2553         * config/pa/pa-hpux10.h: Ditto.
2554         * config/pa/pa-hpux11.h: Ditto.
2555
2556 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2557
2558         * debug.h (set_name): Add comment.
2559
2560 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2561
2562         PR target/39929
2563         * config/darwin.c (machopic_gen_offset): Check
2564         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2565         * config/arm/arm.c (require_pic_register): Likewise.
2566
2567 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2568
2569         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2570         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2571         m32c_promote_prototypes): Delete.
2572
2573 2009-04-28  Michael Matz  <matz@suse.de>
2574
2575         PR middle-end/39922
2576         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2577         constants.
2578
2579 2009-04-28  Richard Guenther  <rguenther@suse.de>
2580
2581         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2582
2583 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2584
2585         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2586         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2587         * config/arm/arm-tune.md: Regenerate.
2588
2589 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2590
2591         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2592         block if there are complex incoming edges.
2593         (sel_merge_blocks): Remove useless assert.
2594         (sel_redirect_edge_and_branch): Check that edge was redirected.
2595         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2596         (sel_find_rgns): Delete declaration.
2597         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2598         the region when it is not a preheader.
2599
2600 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         PR c/39323
2603         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2604
2605 2009-04-28  Richard Guenther  <rguenther@suse.de>
2606
2607         * tree.h (SSA_NAME_VALUE): Remove.
2608         (struct tree_ssa_name): Remove value_handle member.
2609         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2610         array for jump threading.
2611         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2612         SSA_NAME_VALUEs.
2613         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2614         * tree-flow.h (threadedge_initialize_values): Declare.
2615         (threadedge_finalize_values): Likewise.
2616         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2617         (SSA_NAME_VALUE): Define.
2618         (threadedge_initialize_values): New function.
2619         (threadedge_finalize_values): Likewise.
2620         * tree-ssa-dom.c (ssa_name_values): New global variable.
2621         (SSA_NAME_VALUE): Define.
2622         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2623
2624 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2625
2626         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2627         Use REPORT_VECTORIZED_LOCATIONS instead 
2628         REPORT_VECTORIZED_LOOPS.
2629         * tree-vectorizer.c (vect_verbosity_level): Make static.
2630         (vect_loop_location): Rename to vect_location.
2631         (vect_set_verbosity_level): Update comment.
2632         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2633         and vect_location.
2634         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2635         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2636         instead REPORT_UNVECTORIZED_LOOPS.
2637         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2638         and vect_loop_def to vect_external_def and vect_internal_def.
2639         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2640         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2641         REPORT_UNVECTORIZED_LOCATIONS.
2642         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2643         and vect_used_in_loop and to vect_unused_in_scope and 
2644         vect_used_in_scope.
2645         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2646         (vect_verbosity_level): Remove declaration.
2647         (vect_analyze_operations): Likewise.
2648         (vect_analyze_stmt): Declare.
2649         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2650         REPORT_UNVECTORIZED_LOCATIONS.
2651         (vect_get_loop_niters): Fix indentation.
2652         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2653         (vect_analyze_loop_operations): New function.
2654         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2655         vect_analyze_operations.
2656         (vect_is_simple_reduction): Use new names.
2657         (vectorizable_live_operation, vect_transform_loop): Likewise.
2658         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2659         to specify whether the data references can be a part of interleaving
2660         chain.
2661         (vect_analyze_data_ref_dependence): Use new names.
2662         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2663         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2664         * tree-vect-patterns.c (widened_name_p): Use new names.
2665         (vect_recog_dot_prod_pattern): Likewise.
2666         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2667         (process_use, vect_mark_stmts_to_be_vectorized, 
2668         vect_model_simple_cost, vect_model_store_cost,
2669         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2670         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2671         vectorizable_operation, vectorizable_type_demotion,
2672         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2673         vectorizable_condition): Likewise.
2674         (vect_analyze_operations): Split into vect_analyze_loop_operations
2675         and ...
2676         (vect_analyze_stmt): ... new function.
2677         (new_stmt_vec_info): Use new names.
2678         (vect_is_simple_use): Use new names and fix comment.
2679         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2680         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2681
2682 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2683
2684         PR target/39911
2685         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2686         and integer modes for x87 operands.  Do not ICE for unsupported size,
2687         generate error instead.  Generate error for unsupported operand types.
2688         ['z']: Do not handle HImode memory operands specially.  Warning
2689         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2690         types.  Do not ICE for unsupported size, generate error instead.
2691         (output_387_binary_op): Use %Z to output operands.
2692         (output_fp_compare): Ditto.
2693         (output_387_reg_move): Ditto.
2694
2695 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2696
2697         PR c++/35652
2698         Revert:
2699
2700         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2701
2702         * builtins.c (c_strlen): Do not warn here.
2703         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2704         * c-common.c (pointer_int_sum): Take an explicit location.
2705         Warn about offsets out of bounds.
2706         * c-common.h (pointer_int_sum): Adjust declaration.
2707
2708 2009-04-27  Ian Lance Taylor  <iant@google.com>
2709
2710         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2711         names to symkind.
2712         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2713         * df-core.c (df_set_flags): Change return type to int.  Change
2714         type of old_flags to int.
2715         (df_clear_flags): Likewise.
2716         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2717         (df_get_conditional_uses): Likewise.
2718         * df.h (df_set_flags, df_clear_flags): Update declarations.
2719         * dwarf2out.c (struct indirect_string_node): Change type of form
2720         field to enum dwarf_form.
2721         (AT_string_form): Change return type to enum dwarf_form.
2722         * fixed-value.c (fixed_compare): Add cast to enum type.
2723         * fwprop.c (update_df): Change 0 to VOIDmode.
2724         * gensupport.c: Change 0 to UNKNOWN.
2725         * gimple.h (gimple_cond_code): Add cast to enum type.
2726         * haifa-sched.c (reemit_notes): Add cast to enum type.
2727         * hooks.c (hook_int_void_no_regs): Remove function.
2728         * hooks.h (hook_int_void_no_regs): Remove declaration.
2729         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2730         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2731         * real.c (real_arithmetic): Add cast to enum type.
2732         (real_compare): Likewise.
2733         * target.h (struct gcc_target): Change return type of
2734         branch_target_register_class to enum reg_class.
2735         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2736         default_branch_target_register_class.
2737         * targhooks.c (default_branch_target_register_class): New function.
2738         * targhooks.h (default_branch_target_register_class): Declare.
2739         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2740         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2741         cast to int.
2742         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2743         ERROR_MARK.
2744         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2745         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2746         * tree-vect-stmts.c (supportable_widening_operation): Don't
2747         initialize icode1 and icode2.
2748         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2749         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2750         and to STD_C89.
2751         (cmn_err_flag_specs): Change 0 to STD_C89.
2752         (cmn_err_char_table): Likewise.
2753         * config/arm/arm.c (get_arm_condition_code): Change type of code
2754         to enum arm_cond_code.
2755         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2756         (IWMMXT_BUILTIN2): Likewise.
2757         (neon_builtin_type_bits): Don't define typedef.
2758         (neon_builtin_datum): Change type of bits field to int.
2759         (arm_expand_neon_args): Add cast to enum type.
2760         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2761         TLS_MODEL_NONE.
2762         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2763         casts to enum type.
2764         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2765         MIPS_FP_COND_f.
2766         * config/mips/mips.md (jal_macro): Return enum constant.
2767         (single_insn): Likewise.
2768         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2769         CODE_FOR_nothing.
2770         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2771         casts to enum type.
2772         * config/s390/s390.c (s390_tune_flags): Change type to int.
2773         (s390_arch_flags): Likewise.
2774         (s390_handle_arch_option): Change flags field of struct pta to int.
2775         * config/s390/s390.h (s390_tune_flags): Update declaration.
2776         (s390_arch_flags): Likewise.
2777         * config/sh/sh.c (prepare_move_operands): Compare
2778         tls_symbolic_operand result with enum constant.
2779         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2780         (sh_expand_prologue): Add cast to enum type.
2781         (sh_expand_epilogue): Likewise.
2782         (tls_symbolic_operand): Change return type to enum tls_model.
2783         (fpscr_set_from_mem): Add cast to enum type.
2784         (legitimize_pic_address): Compare tls_symbolic_operand result with
2785         enum constant.
2786         (sh_target_reg_class): Change return type to enum reg_class.
2787         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2788         PROCESSOR_xxx.
2789         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2790         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2791         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2792         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2793         (delayed_branch, tls_call_delay): Likewise.
2794         (eligible_for_sibcall_delay): Likewise.
2795         (eligible_for_return_delay): Likewise. 
2796         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2797         (spu_expand_builtin_1): Likewise.
2798
2799         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2800         for all types of conversions.
2801         (output_init_element): Issue -Wc++-compat warning if needed when
2802         initializing a bitfield with enum type.
2803         * c-parser.c (c_parser_expression): Set original_type to
2804         original_type of right hand operand of comman operator.
2805
2806 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2807
2808         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2809         grammar nits.
2810         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2811         * doc/cpp.texi (Standard Predefined Macros)
2812         (Implementation-defined behavior): Likewise.
2813         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2814         * doc/gimple.texi (GIMPLE Exception Handling)
2815         (@code{GIMPLE_ASSIGN}): Likewise.
2816         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2817         * doc/invoke.texi (Warning Options, Optimize Options)
2818         (AVR Options, Darwin Options): Likewise.
2819         (Optimize Options): Reformulate -fwhole-program description.
2820         * doc/loop.texi (Lambda): Likewise.
2821         * doc/md.texi (Output Template, Define Constraints)
2822         (Standard Names, Insn Splitting): Likewise.
2823         * doc/options.texi (Option properties): Likewise.
2824         * doc/passes.texi (Tree-SSA passes): Likewise.
2825         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2826         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2827         (File Names and DBX): Likewise.
2828         * doc/trouble.texi (Incompatibilities): Likewise.
2829
2830 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2831
2832         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2833         instruction is correct.
2834
2835 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2836
2837         Allow non-constant arguments to conversion intrinsics.
2838         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2839         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2840         * spu.c (print_operand): Handle 'v' and 'w'.
2841         (exp2_immediate_p, spu_gen_exp2): Define.
2842         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2843         spu_convtf_1): Update parameter descriptions.
2844         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2845         * constraints.md ('v', 'w'): New.
2846         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2847         Remove.
2848         (i2f, I2F): New define_mode_attr.
2849         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2850         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2851         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2852         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2853         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2854         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2855         patterns for combine.
2856
2857 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2858
2859         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2860         (cprop, hoist, pre, store_motion): New debug counters.
2861         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2862         is not an RTL pass anymore.
2863         (pass_profiling): Remove extern decl for pass removed in 2005.
2864         (pass_gcse, pass_jump_bypass): Remove.
2865         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2866         to 0 for clean state.
2867         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2868         * cse.c (gate_handle_cse_after_global_opts,
2869         rest_of_handle_cse_after_global_opts): New functions.
2870         (pass_cse_after_global_opts): New pass, does local CSE.
2871         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2872         (TV_CPROP): New timevar.
2873         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2874         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2875         (gcse_main, recompute_all_luids): Remove.
2876         (compute_hash_table_work): Call max_reg_num instead of reading
2877         max_gcse_regno.
2878         (cprop_jump): Don't set run_jump_opt_after_gcse.
2879         (constprop_register): Always allow to alter jumps.
2880         (cprop_insn): Likewise.
2881         (do_local_cprop): Likewise.
2882         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2883         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2884         (find_implicit_sets): Add note about missed optimization opportunity.
2885         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2886         pass_rtl_cprop execute function.
2887         Don't bother tracking the pass number, each pass gets its own dumpfile
2888         now anyway.
2889         Always allow to alter jumpsand bypass jumps.
2890         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2891         will just find no suitable set.
2892         (pre_edge_insert): Fix dumping, this function is for PRE only.
2893         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2894         pass_rtl_pre execute function.
2895         (hoist_code): Return non-zero if something changed.  Keep track of
2896         substitutions and insertions for statistics gathering similar to PRE.
2897         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2898         called from the pass_rtl_hoist execute function.  Show pass statistics.
2899         (compute_store_table): Use max_reg_num directly instead of using the
2900         formerly global max_gcse_regno.
2901         (build_store_vectors): Likewise.
2902         (replace_store_insn): Fix dumping.
2903         (store_motion): Rename to ...
2904         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2905         pass, called from the pass_rtl_store_motion execute function.  Keep
2906         track of substitutions and insertions for statistics gathering similar
2907         to PRE.
2908         (bypass_jumps): Remove, fold interesting bits into ...
2909         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2910         from the pass_rtl_cprop execute function.
2911         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2912         pass_jump_bypass): Remove.
2913         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2914         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2915         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2916         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2917         (gate_rtl_store_motion, execute_rtl_store_motion,
2918         pass_rtl_store_motion): New.
2919         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2920         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2921         * passes.c (init_optimization_passes): Remove pass_gcse and
2922         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2923         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2924         instead of pass_jump_bypass.
2925
2926 2009-04-27  Richard Guenther  <rguenther@suse.de>
2927
2928         PR middle-end/39928
2929         * gimplify.c (gimplify_expr): If we are required to create
2930         a temporary make sure it ends up as register.
2931
2932 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2933
2934         PR target/39903
2935         * config/i386/i386.c (construct_container): Don't call
2936         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2937         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2938
2939 2009-04-27  Michael Matz  <matz@suse.de>
2940
2941         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2942         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2943         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2944         (dump_replaceable_exprs): Take a bitmap.
2945         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2946         array.
2947         (expand_gimple_basic_block): Likewise.
2948         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2949         replaceable_expressions member a bitmap.
2950         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2951         (mark_replaceable): Likewise.
2952         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2953         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2954
2955 2009-04-27  Richard Guenther  <rguenther@suse.de>
2956
2957         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2958         (verify_stmts): Dispatch to gimple/type verification code.
2959         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2960         issue with call argument types.
2961
2962 2009-04-27  Michael Matz  <matz@suse.de>
2963
2964         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2965         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2966         to above.
2967
2968 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2969             Eric Botcazou  <ebotcazou@adacore.com>
2970
2971         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2972         a label's basic block.
2973         (mark_target_live_regs): Tidy and rework obsolete comments.
2974         Change back DF problem to LIVE.  If a label starts a basic block,
2975         assume that all registers that used to be live then still are.
2976         (init_resource_info): If a label starts a basic block, set its
2977         BLOCK_FOR_INSN accordingly.
2978         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2979
2980 2009-04-27  Richard Guenther  <rguenther@suse.de>
2981
2982         * tree-flow-inline.h (function_ann): Remove.
2983         (get_function_ann): Likewise.
2984         * tree-dfa.c (create_function_ann): Remove.
2985         * tree-flow.h (struct static_var_ann_d): Remove.
2986         (struct function_ann_d): Likewise.
2987         (union tree_ann_d): Remove fdecl member.
2988         (function_ann_t): Remove.
2989         (function_ann, get_function_ann, create_function_ann): Remove
2990         declarations.
2991
2992 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2993
2994         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2995
2996 2009-04-27  Jan Hubicka  <jh@suse.cz>
2997
2998         * ipa-pure-const.c (struct funct_state_d): New fields
2999         state_previously_known, looping_previously_known; remove
3000         state_set_in_source.
3001         (analyze_function): Use new fields.
3002         (propagate): Avoid assumption that state_set_in_source imply
3003         nonlooping.
3004
3005         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3006         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3007         * cfgloop.h (finite_loop_p): Declare.
3008
3009 2009-04-26  Michael Matz  <matz@suse.de>
3010
3011         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3012
3013 2009-04-26  Michael Matz  <matz@suse.de>
3014
3015         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3016         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3017         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3018         pass_mark_used_blocks): Remove.
3019         * tree-optimize.c (pass_free_datastructures,
3020         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3021         * passes.c (init_optimization_passes): Don't call
3022         pass_mark_used_blocks, remove dead code.
3023
3024 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3025
3026         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3027         * tree-ssa-live.h (register_ssa_partition): Likewise.
3028
3029 2009-04-26  Michael Matz  <matz@suse.de>
3030
3031         Expand from SSA.
3032         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3033         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3034         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3035         SSA names. 
3036         (compare_pairs): Swap cost comparison.
3037         (coalesce_ssa_name): Don't use change_partition_var.
3038         * tree-nrv.c (struct nrv_data): Add modified member.
3039         (finalize_nrv_r): Set it.
3040         (tree_nrv): Use it to update statements.
3041         (pass_nrv): Require PROP_ssa.
3042         * tree-mudflap.c (mf_decl_cache_locals,
3043         mf_build_check_statement_for): Use make_rename_temp.
3044         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3045         * alias.c (find_base_decl): Handle SSA names.
3046         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3047         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3048         * rtl.h (set_reg_attrs_for_parm): Declare.
3049         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3050         to "optimized", remove unused locals at finish.
3051         (execute_free_datastructures): Make global, call
3052         delete_tree_cfg_annotations.
3053         (execute_free_cfg_annotations): Don't call
3054         delete_tree_cfg_annotations.
3055
3056         * ssaexpand.h: New file.
3057         * expr.c (toplevel): Include ssaexpand.h.
3058         (expand_assignment): Handle SSA names the same as register variables.
3059         (expand_expr_real_1): Expand SSA names.
3060         * cfgexpand.c (toplevel): Include ssaexpand.h.
3061         (SA): New global variable.
3062         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3063         (SSAVAR): New macro.
3064         (set_rtl): New helper function.
3065         (add_stack_var): Deal with SSA names, use set_rtl.
3066         (expand_one_stack_var_at): Likewise.
3067         (expand_one_stack_var): Deal with SSA names.
3068         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3069         before unique numbers.
3070         (expand_stack_vars): Use set_rtl.
3071         (expand_one_var): Accept SSA names, add asserts for them, feed them
3072         to above subroutines.
3073         (expand_used_vars): Expand all partitions (without default defs),
3074         then only the local decls (ignoring those expanded already).
3075         (expand_gimple_cond): Remove edges when jumpif() expands an
3076         unconditional jump.
3077         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3078         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3079         SSA name.
3080         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3081         members of SA; deal with PARM_DECL partitions here; expand
3082         all PHI nodes, free tree datastructures and SA.  Commit instructions
3083         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3084         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3085         info and statements at start, collect garbage at finish.
3086         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3087         (VAR_ANN_PARTITION) Remove.
3088         (change_partition_var): Don't declare.
3089         (partition_to_var): Always return SSA names.
3090         (var_to_partition): Only accept SSA names.
3091         (register_ssa_partition): Only check argument.
3092         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3093         member.
3094         (delete_var_map): Don't free it.
3095         (var_union): Only accept SSA names, simplify.
3096         (partition_view_init): Mark only useful SSA names as used.
3097         (partition_view_fini): Only deal with SSA names.
3098         (change_partition_var): Remove.
3099         (dump_var_map): Use ssa_name instead of partition_to_var member.
3100         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3101         basic blocks.
3102         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3103         (struct _elim_graph): New member const_dests; nodes member vector of
3104         ints.
3105         (set_location_for_edge): New static helper.
3106         (create_temp): Remove.
3107         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3108         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3109         (new_elim_graph): Allocate const_dests member.
3110         (clean_elim_graph): Truncate const_dests member.
3111         (delete_elim_graph): Free const_dests member.
3112         (elim_graph_size): Adapt to new type of nodes member.
3113         (elim_graph_add_node): Likewise.
3114         (eliminate_name): Likewise.
3115         (eliminate_build): Don't take basic block argument, deal only with
3116         partition numbers, not variables.
3117         (get_temp_reg): New static helper.
3118         (elim_create): Use it, deal with RTL temporaries instead of trees.
3119         (eliminate_phi): Adjust all calls to new signature.
3120         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3121         (rewrite_trees): Only do checking.
3122         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3123         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3124         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3125         contains_tree_r, MAX_STMTS_IN_LATCH,
3126         process_single_block_loop_latch, analyze_edges_for_bb,
3127         perform_edge_inserts): Remove.
3128         (expand_phi_nodes): New global function.
3129         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3130         functions, initialize new parameter, remember partitions having a
3131         default def.
3132         (finish_out_of_ssa): New global function.
3133         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3134         don't reset in_ssa_p here, don't disable TER when mudflap.
3135         (pass_del_ssa): Remove.
3136         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3137         partition members.
3138         (execute_free_datastructures): Declare.
3139         * Makefile.in (SSAEXPAND_H): New variable.
3140         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3141         * basic-block.h (commit_one_edge_insertion): Declare.
3142         * passes.c (init_optimization_passes): Move pass_nrv and
3143         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3144         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3145         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3146         (redirect_branch_edge): Deal with super block when expanding, split
3147         out jump patching itself into ...
3148         (patch_jump_insn): ... here, new static helper.
3149
3150 2009-04-26  Michael Matz  <matz@suse.de>
3151
3152         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3153         beyond num_ssa_names.
3154         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3155         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3156
3157 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3158
3159         PR inline-asm/39543
3160         * fwprop.c (forward_propagate_asm): New function.
3161         (forward_propagate_and_simplify): Propagate also into __asm, if it
3162         doesn't increase the number of referenced registers.
3163
3164         PR c/39889
3165         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3166
3167 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3168
3169         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3170         note_nonlocal_vla_type for nonlocal VLAs.
3171         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3172         contains_remapped_vars, remap_vla_decls): New functions.
3173         (convert_nonlocal_reference_stmt): If not optimizing, call
3174         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3175         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3176         if it wasn't found in var_map.
3177         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3178         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3179         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3180         declare_vars.
3181         * gimplify.c (nonlocal_vlas): New variable.
3182         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3183         referenced VLAs.
3184         (gimplify_body): Create and destroy nonlocal_vlas.
3185
3186         * dwarf2out.c (loc_descr_plus_const): New function.
3187         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3188         mem_loc_descriptor, loc_descriptor_from_tree_1,
3189         descr_info_loc, gen_variable_die): Use it.
3190
3191         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3192         !TREE_STATIC VAR_DECLs.
3193         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3194         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3195         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3196         DECL_BY_REFERENCE is valid.
3197         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3198         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3199         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3200         Copy DECL_BY_REFERENCE.
3201         (struct nesting_copy_body_data): New type.
3202         (nesting_copy_decl): New function.
3203         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3204         if they have variable length.
3205
3206 2009-04-26  Michael Matz  <matz@suse.de>
3207
3208         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3209         mark new temporaries for renaming.
3210
3211 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3212
3213         PR c/39581
3214         * c-decl.c (global_bindings_p): Return negative value.
3215         (c_variable_size): New.  Based on variable_size from
3216         stor-layout.c.
3217         (grokdeclarator): Call c_variable_size not variable_size.
3218
3219 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3220
3221         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3222
3223 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3224
3225         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3226         Redefine it to just use mingw/include.
3227         (ASM_SPEC): Rules for -m32 and -m64.
3228         (LINK_SPEC): Use Likewise.
3229         (SPEC_32): New define.
3230         (SPEC_64): Likewise.
3231         (SUB_LINK_SPEC): Likewise.
3232         (MULTILIB_DEFAULTS): New define.
3233         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3234         Add multilib options.
3235         (MULTILIB_DIRNAMES): Likewise.
3236         (MULTILIB_OSDIRNAMES): Likewise.
3237         (LIBGCC): Likewise.
3238         (INSTALL_LIBGCC): Likewise.
3239
3240 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3241
3242         PR c/39556
3243         * c-tree.h (enum c_inline_static_type): New.
3244         (record_inline_static): Declare.
3245         * c-decl.c (struct c_inline_static, c_inline_statics,
3246         record_inline_static, check_inline_statics): New.
3247         (pop_file_scope): Call check_inline_statics.
3248         (start_decl): Call record_inline_static instead of pedwarning
3249         directly for static in inline function.
3250         * c-typeck.c (build_external_ref): Call record_inline_static
3251         instead of pedwarning directly for static referenced in inline
3252         function.
3253
3254 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3255
3256         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3257         not new but only being rescanned.
3258         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3259         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3260         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3261         record_set_info, compute_set, grealloc): Remove.
3262         (recompute_all_luids): New function.
3263         (gcse_main): Don't compute sets, and don't do related memory
3264         allocations/free-ing.  If something changed before the end of the
3265         pass, update LUIDs using recompute_all_luids.
3266         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3267         (free_gcse_mem): Don't free it either.
3268         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3269         Use the df insn LUIDs.
3270         (load_killed_in_block): Likewise.
3271         (compute_hash_table_work): Don't compute reg_set_in_block.
3272         (compute_transp): Use DF_REG_DEF_CHAINs.
3273         (local_cprop_pass): Don't use compute_sets and related functions.
3274         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3275         Use get_max_uid() instead of max_cuid.
3276         (insert_insn_end_basic_block, pre_insert_copy_insn,
3277         update_ld_motion_stores): Don't try to
3278         keep reg_set tables up to date.
3279         (pre_insert_copies): Use df insn LUIDs.
3280         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3281         (reg_set_info): Don't use extra bitmap argument.
3282         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3283         information to compute regs_set_in_block.
3284         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3285         (bypass_jumps): Don't use compute_sets and friends.
3286
3287 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3288
3289         PR testsuite/39710
3290         * opts.c (undocumented_msg): Do not leave blank even with
3291         ENABLE_CHECKING.
3292
3293 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3294
3295         * c-decl.c (build_enumerator): Allow values folding to integer
3296         constants but not integer constant expressions with a pedwarn if
3297         pedantic.
3298
3299 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3300
3301         PR c/39582
3302         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3303         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3304         type is an integer constant.
3305
3306 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3307
3308         PR target/39897
3309         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3310         HImode operands.
3311
3312 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3313
3314         PR c/39564
3315         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3316         with variably modified return type and no storage class
3317         specifiers, except for the case of nested functions.  Distinguish
3318         extern declarations of functions with variably modified return
3319         types from those of objects with variably modified types.
3320
3321 2009-04-25  Jan Hubicka  <jh@suse.cz>
3322
3323         * tree.c (list_equal_p): New function.
3324         * tree.h (list_equal_p): Declare.
3325         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3326         basic_block_def, basic_block, const_basic_block): New.
3327         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3328         (redirect_eh_edge): New function.
3329         (make_eh_edge_update_phi): EH edges are not abnormal.
3330         * except.c: Include tree-flow.h.
3331         (list_match): New function.
3332         (eh_region_replaceable_by_p): New function.
3333         (replace_region): New function.
3334         (hash_type_list): New function.
3335         (hash_eh_region): New function.
3336         (eh_regions_equal_p): New function.
3337         (merge_peers): New function.
3338         (remove_unreachable_regions): Verify EH tree when checking;
3339         merge peers.
3340         (copy_eh_region_1): New function.
3341         (copy_eh_region): New function.
3342         (push_reachable_handler): New function.
3343         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3344         regions without label but with live RESX.
3345         * except.h (redirect_eh_edge_to_label): New.
3346         * tree-flow.h (redirect_eh_edge): New.
3347         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3348         basic_block_def, basic_block, const_basic_block): Remove.
3349         * Makefile.in (except.o): Add dependency on tree-flow.h
3350         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3351         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3352         Remove.
3353
3354 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3355
3356         PR bootstrap/39645
3357         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3358         on the destination of memcpy.
3359
3360 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3361
3362         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3363         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3364         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3365
3366 2009-04-25  Jan Hubicka  <jh@suse.cz>
3367
3368         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3369         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3370         to be reached by different label than left.
3371         (update_eh_edges): Update comment; remove edge_to_remove if possible
3372         and return true if suceeded.
3373         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3374         (cleanup_eh): Compute sharing map.
3375         * except.c (remove_eh_handler_and_replace): Add argument if we should
3376         update regions.
3377         (remove_unreachable_regions): Update for label sharing.
3378         (label_to_region_map): Likewise.
3379         (get_next_region_sharing_label): New function.
3380         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3381         prev_try pointers.
3382         (remove_eh_handler): Update.
3383         (remove_eh_region_and_replace_by_outer_of): New function.
3384         * except.h (struct eh_region): Add next_region_sharing_label.
3385         (remove_eh_region_and_replace_by_outer_of,
3386         get_next_region_sharing_label): Declare.
3387         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3388
3389 2009-04-25  Jan Hubicka  <jh@suse.cz>
3390
3391         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3392         insert code even if they are not critical.
3393
3394 2009-04-25  Jan Hubicka  <jh@suse.cz>
3395
3396         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3397         (gimple_can_remove_branch_p): EH edges won't remove branch by
3398         redirection.
3399         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3400         updating of non-abnormal EH edges.
3401         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3402         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3403         (split_critical_edges): Split also edges where emitting code on them
3404         will lead to splitting later.
3405
3406 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3407             H.J. Lu  <hongjiu.lu@intel.com>
3408
3409         PR target/39590
3410         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3411         the configured assembler supports fildq and fistpq mnemonics.
3412         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3413         * configure: Regenerated.
3414         * config.in: Ditto.
3415
3416         * config/i386/i386.c (print_operand): Handle 'Z'.
3417         ['z']: Remove handling of special fild/fist suffixes.
3418         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3419         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3420         suffix of fild insn.
3421         (*floatsi<mode>2_vector_mixed): Ditto.
3422         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3423         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3424         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3425         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3426         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3427
3428 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3429  
3430         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3431         the source of a set operation.
3432
3433 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3434
3435         * target.h (struct gcc_target): Add case_values_threshold field.
3436         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3437         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3438         * targhooks.c (default_case_values_threshold): New function.
3439         * targhooks.h (default_case_values_threshold): Declare function.
3440         * stmt.c (expand_case): Use case_values_threshold target hook.
3441         * expr.h (case_values_threshold): Remove declartation.
3442         * expr.c (case_values_threshold): Remove function.
3443         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3444
3445         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3446         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3447         (avr_case_values_threshold): Declare as static.
3448         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3449
3450         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3451         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3452         (mn10300_case_values_threshold): New function.
3453
3454 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3455
3456         * ira.c (setup_cover_and_important_classes): Add enum cast.
3457
3458 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3459
3460         * genpreds.c (write_enum_constraint_num): Output definition of
3461         CONSTRAINT_NUM_DEFINED_P macro.
3462         * ira.c (setup_cover_and_important_classes): Use
3463         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3464         
3465 2009-04-24  DJ Delorie  <dj@redhat.com>
3466
3467         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3468         __SH2A_SINGLE_ONLY__ also.
3469
3470 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3471
3472         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3473         (movdf_internal): Ditto.
3474         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3475         SFmode and DFmode constants.
3476         (ia64_print_operand): Add 'G' format for printing
3477         floating point constants.
3478
3479 2009-04-24  Richard Guenther  <rguenther@suse.de>
3480
3481         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3482         from unsigned additions.
3483
3484 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3485
3486         * c-typeck.c (set_init_index): Allow array designators that are
3487         not integer constant expressions with a pedwarn if pedantic.
3488
3489 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3490
3491         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3492         zero if no overlap in nonzero bits between the operands.
3493
3494 2009-04-24  Ian Lance Taylor  <iant@google.com>
3495
3496         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3497         (record_dead_and_set_regs): Likewise.
3498         * df.h (struct df_mw_hardreg): Change flags field to int.
3499         (struct df_base_ref): Likewise.
3500         (struct df): Change changeable_flags field to int.
3501         * df-scan.c (df_defs_record): Change clobber_flags to int.
3502         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3503         constants rather than #define macros.
3504         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3505         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3506         (enum dwarf_calling_convention): Likewise.
3507         (enum dwarf_line_number_x_ops): Likewise.
3508         (enum dwarf_call_frame_info): Likewise.
3509         (enum dwarf_source_language): Likewise.
3510         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3511         (add_calling_convention_attribute): Likewise.
3512         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3513         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3514         * genrecog.c (maybe_both_true_2): Change c to int.
3515         (write_switch): Likewise.  Add cast to enum type.
3516         * gimplify.c (gimplify_omp_for): Handle return values from
3517         gimplify_expr using MIN rather than bitwise or.
3518         (gimplify_expr): Add cast to enum type.
3519         * ipa-prop.c (update_jump_functions_after_inlining): Change
3520         IPA_BOTTOM to IPA_JF_UNKNOWN.
3521         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3522         Add casts to enum type.
3523         (setup_cover_and_important_classes): Change cl to int.  Add casts
3524         to enum type.
3525         (setup_class_translate): Change cl and mode to int.
3526         (ira_init_once): Change mode to int.
3527         (free_register_move_costs): Likewise.
3528         (setup_prohibited_mode_move_regs): Add casts to enum type.
3529         * langhooks.c (add_builtin_function_common): Rework assertion that
3530         value fits bitfield.
3531         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3532         * omega.c (omega_do_elimination): Avoid math on enum types.
3533         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3534         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3535         int local to handle integral_argment value.
3536         * regmove.c (try_auto_increment): Change PUT_MODE to
3537         PUT_REG_NOTE_KIND.
3538         * reload.c (push_secondary_reload): Add casts to enum type.
3539         (secondary_reload_class, find_valid_class): Likewise.
3540         * reload1.c (emit_input_reload_insns): Likewise.
3541         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3542         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3543         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3544         constant.
3545         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3546         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3547         enum type.
3548         (expand_complex_libcall): Add casts to enum type.
3549         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3550         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3551         with ERROR_MARK, not NUM_TREE_CODES.
3552         (vect_create_epilog_for_reduction): Likewise.
3553         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3554         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3555         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3556         enum machine_mode.
3557         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3558         vect_unused_in_loop.  Change 0 to loop_vect.
3559         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3560         * var-tracking.c (get_init_value): Change return type to enum
3561         var_init_status.
3562         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3563         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3564         arm_fp_model.
3565         (arm_override_options): Add casts to enum type.
3566         (arm_emit_tls_decoration): Likewise.
3567         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3568         to enum type.
3569         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3570         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3571         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3572         enum type.
3573         * config/s390/s390.c (code_for_builtin_64): Change to array of
3574         enum insn_code.
3575         (code_for_builtin_31): Likewise.
3576         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3577         const *.
3578         * config/sparc/sparc.c (sparc_override_options): Change value
3579         field in struct code_model to enum cmodel.  In initializer change
3580         0 to NULL and add cast to enum type.
3581
3582         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3583         Change all callers.  Issue a -Wc++-compat warning using
3584         lhs_origtype if necessary.
3585         (convert_for_assignment): Issue -Wc++-compat warnings about
3586         invalid conversions to enum type on assignment.
3587         * c-common.h (build_modify_expr): Update declaration.
3588
3589 2009-04-24  Nick Clifton  <nickc@redhat.com>
3590
3591         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3592         (function_arg_advance): Likewise.
3593         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3594         5th alternative.
3595
3596 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3597
3598         * config/s390/constraints.md ('I', 'J'): Fix condition.
3599
3600 2009-04-24  Diego Novillo  <dnovillo@google.com>
3601
3602         * gengtype-parse.c (parse_error): Add newline after message.
3603
3604 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3605
3606         * config/i386/sse.md (avxmodesuffixs): Removed.
3607         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3608         (*avx_pinsr<ssevecsize>): This.
3609
3610 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3611
3612         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3613         follow chains of regs with a single definition, and allow expressions
3614         that are function_invariant_p.
3615         (simple_rhs_p): Allow expressions that are function_invariant_p.
3616
3617 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3618
3619         PR middle-end/39867
3620         * fold-const.c (fold_cond_expr_with_comparison): When folding
3621         > and >= to MAX, make sure the MAX uses the same type as the
3622         comparison's operands.
3623
3624 2009-04-24  Nick Clifton  <nickc@redhat.com>
3625
3626         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3627         addressing for DImode accesses.
3628         (frv_print_operand_address): Handle PLUS case.
3629         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3630
3631 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3632
3633         PR rtl-optimization/39794
3634         * alias.c (canon_true_dependence): Add x_addr argument.
3635         * rtl.h (canon_true_dependence): Adjust prototype.
3636         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3637         * cselib.c (cselib_invalidate_mem): Likewise.
3638         * gcse.c (compute_transp): Likewise.
3639         * dse.c (scan_reads_nospill): Likewise.
3640         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3641         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3642         canon_base_addr of the group, plus optional offset.
3643         (struct group_info): Rename canon_base_mem to
3644         canon_base_addr.
3645         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3646         canon_rtx of base_mem.
3647
3648 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3649
3650         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3651         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3652
3653 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3654
3655         * config/spu/spu-builtins.h: Delete file.
3656
3657         * config/spu/spu.h (enum spu_builtin_type): Move here from
3658         spu-builtins.h.
3659         (struct spu_builtin_description): Likewise.  Add GTY marker.
3660         Do not use enum spu_function_code or enum insn_code.
3661         (spu_builtins): Add extern declaration.
3662
3663         * config/spu/spu.c: Do not include "spu-builtins.h".
3664         (enum spu_function_code, enum spu_builtin_type_index,
3665         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3666         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3667         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3668         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3669         (spu_builtin_types): Make static.  Add GTY marker.
3670         (spu_builtins): Add extern declaration with GTY marker.
3671         Include "gt-spu.h".
3672
3673         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3674         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3675         Check programmatically whether all parameters are scalar.
3676
3677         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3678
3679 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3680
3681         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3682         assignment from the constructor either if the target is volatile.
3683
3684 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3685
3686         * config/arm/arm.md (insv): Do not share operands[0].
3687
3688 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3689
3690         * config/vxlib-tls.c (active_tls_threads): Delete.
3691         (delete_hook_installed): New.
3692         (tls_delete_hook): Don't delete the delete hook.
3693         (tls_destructor): Delete it here.
3694         (__gthread_set_specific): Adjust installing the delete hook.
3695         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3696         __gthread_leave_tsd_dtor_context.
3697
3698 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3699
3700         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3701
3702 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3703
3704         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3705         enum type.
3706         (alpha_rtx_costs): Ditto.
3707         (emit_unlikely_jump): Use add_reg_note.
3708         (emit_frame_store_1): Ditto.
3709         (alpha_expand_prologue): Ditto.
3710         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3711         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3712
3713 2009-04-23  Nick Clifton  <nickc@redhat.com>
3714
3715         * config/v850/v850.md (epilogue): Remove suppressed code.
3716         (return): Rename to return_simple and remove test of frame size.
3717         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3718         to gen_return_simple.
3719
3720 2009-04-22  Jing Yu  <jingyu@google.com>
3721
3722         PR testsuite/39781
3723         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3724
3725 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3726
3727         PR C/31499
3728         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3729         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3730         value is a VECTOR_CST, the element type is the element type of the
3731         vector.
3732
3733 2009-04-22  DJ Delorie  <dj@redhat.com>
3734
3735         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3736
3737 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3738
3739         * alias.c (find_base_term): Move around LO_SUM case, so that
3740         CONST falls through into PLUS/MINUS handling.
3741
3742         PR c/39855
3743         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3744         into 0, use omit_one_operand.
3745
3746 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3747
3748         * config/rs6000/linux-unwind.h (get_regs): Remove type
3749         puns. Change the type of `pc' to an array of unsigned ints and
3750         update all users.  Constify frame24.
3751
3752 2009-04-22  DJ Delorie  <dj@redhat.com>
3753
3754         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3755         declarations before code.
3756         (current_function_special_page_vector): Likewise.
3757         (m32c_expand_insv): Silence a warning.
3758
3759 2009-04-21  Taras Glek  <tglek@mozilla.com>
3760
3761         * alias.c: Update GTY annotations to new syntax.
3762         * basic-block.h: Likewise.
3763         * bitmap.h: Likewise.
3764         * c-common.h: Likewise.
3765         * c-decl.c: Likewise.
3766         * c-parser.c: Likewise.
3767         * c-pragma.c: Likewise.
3768         * c-tree.h: Likewise.
3769         * cfgloop.h: Likewise.
3770         * cgraph.h: Likewise.
3771         * config/alpha/alpha.c: Likewise.
3772         * config/arm/arm.h: Likewise.
3773         * config/avr/avr.h: Likewise.
3774         * config/bfin/bfin.c: Likewise.
3775         * config/cris/cris.c: Likewise.
3776         * config/darwin.c: Likewise.
3777         * config/frv/frv.c: Likewise.
3778         * config/i386/i386.c: Likewise.
3779         * config/i386/i386.h: Likewise.
3780         * config/i386/winnt.c: Likewise.
3781         * config/ia64/ia64.h: Likewise.
3782         * config/iq2000/iq2000.c: Likewise.
3783         * config/mips/mips.c: Likewise.
3784         * config/mmix/mmix.h: Likewise.
3785         * config/pa/pa.c: Likewise.
3786         * config/pa/pa.h: Likewise.
3787         * config/rs6000/rs6000.c: Likewise.
3788         * config/s390/s390.c: Likewise.
3789         * config/sparc/sparc.c: Likewise.
3790         * config/xtensa/xtensa.c: Likewise.
3791         * cselib.h: Likewise.
3792         * dbxout.c: Likewise.
3793         * dwarf2out.c: Likewise.
3794         * except.c: Likewise.
3795         * except.h: Likewise.
3796         * fixed-value.h: Likewise.
3797         * function.c: Likewise.
3798         * function.h: Likewise.
3799         * gimple.h: Likewise.
3800         * integrate.c: Likewise.
3801         * optabs.c: Likewise.
3802         * output.h: Likewise.
3803         * real.h: Likewise.
3804         * rtl.h: Likewise.
3805         * stringpool.c: Likewise.
3806         * tree-data-ref.c: Likewise.
3807         * tree-flow.h: Likewise.
3808         * tree-scalar-evolution.c: Likewise.
3809         * tree-ssa-address.c: Likewise.
3810         * tree-ssa-alias.h: Likewise.
3811         * tree-ssa-operands.h: Likewise.
3812         * tree.c: Likewise.
3813         * tree.h: Likewise.
3814         * varasm.c: Likewise.
3815         * varray.h: Likewise.
3816         * vec.h: Likewise.
3817         * coretypes.h: Do not define GTY macro if it is already defined.
3818         * doc/gty.texi: Update GTY documentation to new syntax.
3819         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3820         annotations on structs.
3821         * gengtype-parse.c: Likewise.
3822
3823 2009-04-22  Mark Heffernan  <meheff@google.com>
3824
3825         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3826
3827 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3828
3829         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3830         where appropriate.
3831
3832 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3833
3834         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3835         the same as a PLUS without a shift.  Increase the cost of a
3836         CONST_INT in MULT.
3837
3838 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3839
3840         * Makefile.in: Update dependencies.
3841         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3842         * errors.h: Remove bogus comment about compatibility.
3843         (warning): Update declaration.
3844         * genautomata.c: Update all calls to warning.
3845         * gimple.c: Do not include errors.h. Include toplev.h.
3846         * tree-ssa-structalias.c: Do not include errors.h.
3847         * omega.c: Likewise.
3848         * tree-ssa-reassoc.c: Likewise.
3849         * config/spu/spu-c.c: Likewise.
3850         * config/spu/t-spu-elf: Update dependencies.
3851
3852 2009-04-22  Richard Guenther  <rguenther@suse.de>
3853
3854         PR tree-optimization/39824
3855         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3856         make sure the types are compatible.
3857
3858 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3859
3860         PR c++/14875
3861         * c-common.c (c_parse_error): Take a token_flags parameter.
3862         Use token_type for the token type instead.
3863         Pass token_flags to cpp_type2name.
3864         * c-common.h (c_parse_error): Update declaration.
3865         * c-parser.c (c_parser_error): Pass 0 as token flags.
3866
3867 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3868
3869         PR rtl-optimization/39580
3870         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3871         
3872 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3873
3874         * function.c (expand_function_end): Do not emit a jump to the "naked"
3875         return label for fall-through returns.
3876         * except.c (sjlj_emit_function_exit): Always place the call to the
3877         unregister function at the location installed by expand_function_end.
3878
3879 2009-04-22  Richard Guenther  <rguenther@suse.de>
3880
3881         PR tree-optimization/39845
3882         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3883         (gen_inbound_check): Likewise.
3884
3885 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3886
3887         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3888         padding for PPC.
3889         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3890         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3891
3892 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3893
3894         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3895         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3896         shift counts to avoid out-of-bounds array accesses.
3897
3898 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3899
3900         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3901         (Pmode): Move above.
3902
3903 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3904
3905         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3906         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3907         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3908         * config/alpha/alpha.h: Ditto.
3909         * config/alpha/alpha.md: Ditto.
3910         * config/alpha/constraints.md: Ditto.
3911         * config/alpha/predicates.md: Ditto.
3912         
3913 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3914
3915         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3916         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3917         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3918         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3919         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3920         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3921         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3922         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3923         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3924         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3925         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3926         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3927         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3928         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3929         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3930         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3931         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3932         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3933         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3934         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3935         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3936         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3937         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3938         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3939         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3940         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3941         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3942
3943 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3944
3945         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3946         references from comments.
3947         * cfgbuild.c: (count_basic_blocks): Delete.
3948         (find_basic_blocks_1): Delete.
3949         (find_basic_blocks): Delete.
3950         * except.c (finish_eh_generation): Make static.  Move comment from
3951         except.h here.  Remove find_basic_blocks references from comments.
3952         * except.h (finish_eh_generation): Delete.
3953         * basic-block.h (find_basic_blocks): Delete.
3954         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3955
3956 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3957
3958         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3959         (sdbout_parms):  Likewise.
3960
3961 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3962
3963         * config/sh/sh.c (prepare_cbranch_operands): Use
3964         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3965         (expand_cbranchdi4): Likewise.
3966         (from_compare): Add cast to enum type.
3967         (expand_cbranchsi4): Use add_reg_note.
3968         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3969         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3970         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3971         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3972         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3973         instead of CODE_FOR_nothing.
3974         (cbranchdi4): Likewise.  Fix the order of arguments for
3975         gen_rtx_fmt_ee.
3976         (push_fpscr): Use add_reg_note.
3977         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3978         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3979         
3980 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3981
3982         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3983         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3984         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3985         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3986         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3987         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3988         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3989         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3990         config/alpha/x-vms, config/arc/t-arc,
3991         config/arm/README-interworking, config/arm/arm-c.c,
3992         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3993         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3994         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3995         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3996         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3997         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3998         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3999         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4000         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4001         config/cris/t-elfmulti, config/crx/t-crx,
4002         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4003         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4004         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4005         config/h8300/t-h8300, config/i386/athlon.md,
4006         config/i386/darwin-libgcc.10.4.ver,
4007         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4008         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4009         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4010         config/i386/t-linux64, config/i386/t-nwld,
4011         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4012         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4013         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4014         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4015         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4016         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4017         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4018         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4019         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4020         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4021         config/m68k/t-uclinux, config/mcore/t-mcore,
4022         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4023         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4024         config/mips/crtn.asm, config/mips/irix-crti.asm,
4025         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4026         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4027         config/mips/mips-fixed.md, config/mips/sb1.md,
4028         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4029         config/mips/t-iris6, config/mips/t-isa3264,
4030         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4031         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4032         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4033         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4034         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4035         config/mn10300/t-linux, config/mn10300/t-mn10300,
4036         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4037         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4038         config/picochip/libgccExtras/clzsi2.asm,
4039         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4040         config/rs6000/darwin-libgcc.10.4.ver,
4041         config/rs6000/darwin-libgcc.10.5.ver,
4042         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4043         config/rs6000/t-aix43, config/rs6000/t-aix52,
4044         config/rs6000/t-darwin, config/rs6000/t-fprules,
4045         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4046         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4047         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4048         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4049         config/rs6000/t-rtems, config/rs6000/t-spe,
4050         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4051         config/score/t-score-elf, config/sh/divcost-analysis,
4052         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4053         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4054         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4055         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4056         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4057         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4058         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4059         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4060         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4061         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4062         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4063         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4064         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4065         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4066         * config/h8300/genmova.sh: Include copyright and license notices
4067         in generated output.
4068         * config/h8300/mova.md: Regenerate.
4069         * doc/install.texi2html: Include word "Copyright" in copyright
4070         notice and use name "Free Software Foundation, Inc.".
4071         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4072         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4073         ChangeLog-2007, ChangeLog-2008: Correct dates.
4074
4075 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4076
4077         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4078         NE_EXPR operations as well.
4079         * c-parser.c (c_parser_condition): Do not set location information on
4080         the condition.
4081         (c_parser_conditional_expression): Likewise.
4082         (c_parser_binary_expression): Set location information on operators.
4083         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4084         TRUTH_NOT_EXPR has been folded.
4085         * fold-const.c (fold_truth_not_expr): Copy location information from
4086         the incoming expression to the outgoing one.
4087         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4088         recursive calls on the LHS of the operator but pass that of the
4089         operator to recursive calls on the RHS of the operator.  Set it
4090         on the COND_EXPR.
4091         (shortcut_cond_expr): Set the locus of the operator on the second
4092         COND_EXPR and that of the expression on the first in degenerate cases.
4093         Pass the locus of the expression to calls to shortcut_cond_r.
4094         Set the locus of the 'then' block on the associated jump, if any.
4095         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4096         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4097         expression to call to gimplify_boolean_expr.
4098
4099 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4100
4101         * config.gcc: Add additional configuration for
4102         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4103         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4104         (CPP_SPEC): Redefine for allowing -municode option.
4105         (STARTFILE_SPEC): Likewise.
4106         * config/i386/t-mingw-w64: New.
4107         * config/i386/mingw-w64.opt: New.
4108         (municode): Add new target option.
4109         * doc/invoke.texi (municode): Add documentation for new option.
4110
4111 2009-04-21  Ian Lance Taylor  <iant@google.com>
4112
4113         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4114         Correct test for number of arguments.
4115         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4116
4117 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4118
4119         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4120         argument of emit_library_call.
4121
4122 2009-04-21  Richard Guenther  <rguenther@suse.de>
4123
4124         PR middle-end/39829
4125         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4126         inside VIEW_CONVERT_EXPRs.
4127
4128 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4129
4130         * tree-switch-conversion.c (build_constructors): Split a long line.
4131         (constructor_contains_same_values_p): New function.
4132         (build_one_array): Create assigns of constants if possible, do not
4133         call mark_sym_for_renaming, call update_stmt.
4134         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4135         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4136         update_stmt.
4137         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4138         find_new_referenced_vars, call update_stmt.
4139         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4140         instead of calling make_rename_temp.  Do not call
4141         find_new_referenced_vars or mark_symbols_for_renaming, call
4142         update_stmt.
4143
4144 2009-04-21  Richard Guenther  <rguenther@suse.de>
4145
4146         PR tree-optimization/39827
4147         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4148         (tree_ssa_phiprop): Pass the correct array size.
4149
4150 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4151
4152         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4153
4154 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4155
4156         PR 16202
4157         * c-typeck.c (lvalue_p): Move declaration ...
4158         * c-common.h (lvalue_p): ... to here.
4159         * c-common.c (candidate_equal_p): New.
4160         (add_tlist): Use it.
4161         (merge_tlist): Use it.
4162         (warn_for_collisions_1): Likewise.
4163         (warning_candidate_p): Accept more candidates.
4164         (verify_tree): A warning candidate can be an expression. Use
4165         candidate_equal_p.
4166
4167 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4168
4169         PR target/5267
4170         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4171         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4172         options.  Remove -mcall-solaris documentation.
4173
4174 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4175
4176         PR c++/13358
4177         * doc/invoke.texi (-Wlong-long): Update description.
4178         * c-lex (interpret_integer): Only warn if there was no previous
4179         overflow and -Wlong-long is enabled.
4180         * c-decl.c (declspecs_add_type): Drop redundant flags.
4181         * c.opt (Wlong-long): Init to -1.
4182         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4183         and front-end warn_long_long. Wlong-long only depends on other
4184         flags if it is uninitialized.
4185         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4186         the same for CPP and FE.
4187         (restore_extension_diagnostics): Likewise.
4188
4189 2009-04-20  Ian Lance Taylor  <iant@google.com>
4190
4191         Fix enum conversions which are invalid in C++:
4192         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4193         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4194         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4195         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4196         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4197         (dbxout_parms): Likewise.
4198         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4199         (df_clear_flags): Likewise.
4200         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4201         top_flag parameter to int.
4202         (df_chain_create_bb_process_use): Likewise.
4203         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4204         Remove cast.
4205         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4206         (df_ref_create_structure, df_def_record_1): Likewise.
4207         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4208         (df_notes_rescan): Change 0 to VOIDmode in function call.
4209         (df_get_call_refs, df_insn_refs_collect): Likewise.
4210         (df_bb_regs_collect): Likewise.
4211         (df_entry_block_defs_collect): Likewise.
4212         (df_exit_block_uses_collect): Likewise.
4213         * df.h: Update declarations.
4214         * double-int.c (double_int_divmod): Add cast to enum type.
4215         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4216         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4217         (based_loc_descr): Likewise.
4218         (loc_descriptor_from_tree_1): Change first_op and second_op to
4219         enum dwarf_location_atom.  Add cast to enum type.
4220         * expmed.c (init_expmed): Change 0 to SET in function call.
4221         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4222         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4223         (do_store_flag): Likewise.
4224         * fixed-value.h (struct fixed_value): Change mode to enum
4225         machine_mode.
4226         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4227         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4228         function call.
4229         (insert_insn_decl, insert_decl, insert_state): Likewise.
4230         (automata_list_finish): Likewise.
4231         * genrecog.c (process_define_predicate): Add cast to enum type.
4232         * gensupport.c (init_predicate_table): Add cast to enum type.
4233         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4234         function call.
4235         (gimple_build_call_1, gimple_build_label): Likewise.
4236         (gimple_build_goto, gimple_build_asm_1): Likewise.
4237         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4238         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4239         (enum fallback): Rename from enum fallback_t.
4240         (fallback_t): Typedef as int.
4241         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4242         GSI_SAME_STMT in function call.
4243         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4244         enum type.
4245         (setup_reg_class_relations): Likewise.
4246         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4247         (setup_prohibited_class_mode_regs): Add cast to enum type.
4248         (setup_prohibited_mode_move_regs): Likewise.
4249         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4250         (record_address_regs): Change i to enum reg_class.
4251         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4252         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4253         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4254         (GET_MODE_2XWIDER_MODE): Likewise.
4255         (GET_CLASS_NARROWEST_MODE): Likewise.
4256         * omp-low.c (expand_omp_for): Add cast to enum type.
4257         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4258         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4259         * postreload.c (reload_cse_simplify_operands): Change rclass local
4260         to enum reg_class.
4261         * predict.c (combine_predictions_for_insn): Change best_predictor
4262         and predictor to enum br_predictor.
4263         (combine_predictions_for_bb): Likewise.
4264         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4265         use SET_PREDICT_EXPR_OUTCOME.
4266         * real.c (real_arithmetic): Change icode to code in function call.
4267         * reginfo.c (init_move_cost): Add casts to enum type.
4268         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4269         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4270         enum reg_class.
4271         * reload.c (find_valid_class): Add casts to enum type.
4272         (push_reload): Change 0 to NO_REGS in function call.
4273         (find_reloads): Change this_alternative to array of enum
4274         reg_class.  Remove some now-unnecessary casts.
4275         (make_memloc): Change 0 to VOIDmode in function call.
4276         * reload1.c (reload): Change 0 to VOIDmode in function call.
4277         (eliminate_regs_1, elimination_effects): Likewise.
4278         (eliminate_regs_in_insn): Likewise.
4279         (emit_input_reload_insns): Add cast to enum type.
4280         (delete_output_reload): Change 0 to VOIDmode in function call.
4281         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4282         to enum type in function call.
4283         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4284         (SET_PREDICT_EXPR_OUTCOME): Define.
4285         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4286         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4287         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4288         (dump_function): Likewise.
4289         * tree-dump.h: Update declarations.
4290         * tree-pass.h: Update declarations.
4291         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4292         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4293         enum type.
4294         (arm_rtx_costs_1): Correct parenthesization.
4295         (arm_rtx_costs): Add casts to enum type.
4296         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4297         (vfp_emit_fstmd): Use add_rg_note.
4298         (emit_multi_reg_push, emit_sfm): Likewise.
4299         (thumb_set_frame_pointer): Likewise.
4300         (arm_expand_prologue): Likewise.
4301         (arm_regno_class): Change return type to enum reg_class.
4302         (thumb1_expand_prologue): Use add_reg_note.
4303         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4304         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4305         in function call.
4306         * config/arm/gentune.sh: Add cast to enum type.
4307         * config/arm/arm-tune.md: Rebuild.
4308         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4309         (ix86_split_fp_branch, predict_jump): Likewise.
4310         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4311         insn_code to enum rtx_code.
4312         (ix86_builtin_vectorized_function): Add cast to enum type.
4313         * config/i386/i386.md (truncdfsf2): Change slot to enum
4314         ix86_stack_slot.
4315         (truncxf<mode>2, isinf<mode>2): Likewise.
4316         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4317         enum type.
4318         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4319         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4320         (insert_bundle_state): Change 1 to INSERT in function call.
4321         (ia64_add_bundle_selector_before): Likewise.
4322         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4323         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4324         (restore_stack_nonlocal): Likewise.
4325         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4326         function call.
4327         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4328         function call.
4329         (mips_rtx_costs): Likewise.
4330         (mips_override_options): Add casts to enum type.
4331         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4332         in function call.
4333         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4334         (store_reg, set_reg_plus_d): Likewise.
4335         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4336         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4337         cast to enum type.
4338         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4339         function call.
4340         (emit_unlikely_jump): Use add_reg_note.
4341         (rs6000_emit_allocate_stack): Likewise.
4342         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4343         (output_toc): Change 1 to INSERT in function call.
4344         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4345         (rs6000_initialize_trampoline): Likewise.
4346         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4347         function call.
4348         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4349         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4350         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4351         (save_gprs): Use add_reg_note.
4352         (s390_emit_prologue): Likewise.
4353         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4354         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4355         (sparc_fold_builtin): Add cast to enum type.
4356         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4357         enum insn_code.
4358         (spu_expand_prologue): Use add_reg_note.
4359         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4360
4361 2009-04-20  Ian Lance Taylor  <iant@google.com>
4362
4363         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4364         (c_parser_postfix_expression_after_primary): Get VEC for list of
4365         arguments.  Get original types of arguments.  Call
4366         build_function_call_vec.
4367         (cached_expr_list_1, cached_expr_list_2): New static variables.
4368         (c_parser_expr_list): Change return type to VEC *.  Add
4369         p_orig_types parameter.  Change all callers.
4370         (c_parser_release_expr): New static function.
4371         (c_parser_vec_to_tree_list): New static function.
4372         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4373         call build_function_call_vec.
4374         (build_function_call_vec): New function, based on old
4375         build_function_call.
4376         (convert_arguments): Remove nargs and argarray parameters.  Change
4377         values to a VEC.  Add origtypes parameter.
4378         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4379         (convert_for_assignment): Add origtype parameter.  Change all
4380         callers.  If warn_cxx_compat, check for conversion to an enum
4381         type when calling a function.
4382         (store_init_value): Add origtype parameter.  Change all callers.
4383         (digest_init): Likewise.
4384         (struct init_node): Add origtype field.
4385         (add_pending_init): Add origtype parameter.  Change all callers.
4386         (output_init_element): Likewise.
4387         (output_pending_init_elements): Pass origtype from init_node to
4388         output_init_element.
4389         (process_init_element): Pass origtype from c_expr to
4390         output_init_element.
4391         (c_finish_return): Add origtype parameter.  Change all callers.
4392         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4393         caller.
4394         (sync_resolve_params): Likewise.
4395         (sync_resolve_return): Change params to first_param.  Change caller.
4396         (resolve_overloaded_builtins): Change params to VEC *.  Change
4397         callers.  Save first parameter around call to build_function_call_vec.
4398         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4399         callers.  Call build_function_call_vec rather than
4400         build_function_call for cleanup.
4401         * c-tree.h: Update declarations.
4402         * c-common.h: Update declarations.
4403         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4404         params to first_param.
4405         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4406         params parameter from tree to void *.
4407         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4408         Change arglist parameter to have type void *, and to be a pointer
4409         to a VEC.
4410         * config/rs6000/rs6000-protos.h
4411         (altivec_resolve_overloaded_builtin): Update declaration.
4412         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4413         fnargs parameter to have type void *, and to be a pointer to a
4414         VEC.  Call build_function_call_vec instead of
4415         build_function_call.
4416         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4417
4418 2009-04-20  Joey Ye  <joey.ye@intel.com>
4419             Xuepeng Guo  <xuepeng.guo@intel.com>
4420             H.J. Lu  <hongjiu.lu@intel.com>
4421
4422         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4423
4424         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4425         (IX86_LEA_PRIORITY): Likewise.
4426         (distance_non_agu_define): New function.
4427         (distance_agu_use): Likewise.
4428         (ix86_lea_for_add_ok): Likewise.
4429         (ix86_dep_by_shift_count): Likewise.
4430
4431         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4432         should split for LEA.
4433
4434         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4435         function.
4436         (ix86_dep_by_shift_count): Likewise.
4437
4438 2009-04-20  Richard Guenther  <rguenther@suse.de>
4439
4440         * expr.c (handled_component_p): Move ...
4441         * tree.h (handled_component_p): ... here.
4442         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4443         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4444         and REALPART_EXPR to be in one group.
4445
4446 2009-04-20  Richard Guenther  <rguenther@suse.de>
4447
4448         * basic-block.h (get_all_dominated_blocks): Declare.
4449         * dominance.c (get_all_dominated_blocks): New function.
4450         * tree-cfg.c (get_all_dominated_blocks): Remove.
4451         (remove_edge_and_dominated_blocks): Adjust.
4452         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4453         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4454         instead of recursing.
4455
4456 2009-04-20  Doug Kwan  <dougkwan@google.com>
4457
4458         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4459         (struct cgraph_node_set_def): New type.
4460         (cgraph_node_set) New type. Also declare vector functions.
4461         (struct cgraph_node_set_element_def): New type.
4462         (cgraph_node_set_element): Ditto.
4463         (cgraph_node_set_iterator): New iterator type.
4464         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4465         cgraph_node_set_remove, dump_cgraph_node_set,
4466         debug_cgraph_node_set): New prototypes.
4467         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4468         cgraph_node_set_size): New inlines.
4469         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4470         including cgraph.h.
4471         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4472         argument to function 'write_summary'.
4473         * ipa.c: Include ggc.h.
4474         (hash_cgraph_node_set_element,
4475         eq_cgraph_node_set_element, cgraph_node_set_new,
4476         cgraph_node_set_add, cgraph_node_set_remove,
4477         cgraph_node_set_find, dump_cgraph_node_set,
4478         debug_cgraph_node_set): New functions.
4479         * Makefile.in (ipa.o): Add dependency on GGC_H.
4480
4481 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4482
4483         PR tree-optimization/39675
4484         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4485         check of the return code of vect_schedule_slp. Check that
4486         stmt_vec_info still exists for the statement, before checking its
4487         vectorization type.
4488
4489 2009-04-20  Michael Matz  <matz@suse.de>
4490
4491         * Makefile.in (generated_files): Take out $(simple_generated_c).
4492
4493 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4494
4495         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4496         (UINTPTR_TYPE):  Likewise.
4497
4498 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4499
4500         PR c/37481
4501         * c-typeck.c (digest_init): Check for initializing an array with a
4502         string literal.
4503
4504 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4505
4506         PR c/19771
4507         * c-semantics.c (pop_stmt_list): Propagate
4508         STATEMENT_LIST_HAS_LABEL to parent statement list.
4509
4510 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4511
4512         * config/mips/mips.h (mips_tune_attr): New macro.
4513         * config/mips/mips.md (cpu): Use it.
4514
4515 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4516
4517         PR c/38243
4518         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4519         declaring a tag.
4520
4521 2009-04-19  Diego Novillo  <dnovillo@google.com>
4522
4523         * toplev.c (compile_file): Move call to coverage_finish ...
4524         * cgraphunit.c (ipa_passes): ... here.
4525         Call cgraph_process_new_functions.
4526         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4527         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4528
4529 2009-04-19  Jan Hubicka  <jh@suse.cz>
4530
4531         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4532         cfun.
4533         (dump_cgraph_node): Dump can throw external flag.
4534         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4535
4536 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4537
4538         PR c/32061
4539         PR c++/36954
4540         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4541         * common.opt (Wlogical-op): Move from here...
4542         * c.opt (Wlogical-op): ... to here.
4543         * c-typeck.c (parser_build_binary_op): Update call to
4544         warn_logical_operator.
4545         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4546         extra_warnings.
4547         * c-common.c (warn_logical_op): Update.
4548         * c-common.h (warn_logical_op): Update declaration.
4549
4550 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4551
4552         * tree.c (protected_set_expr_location): Fix formatting.
4553
4554 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4555
4556         PR c/27676
4557         * c-typeck.c (readonly_warning): new.
4558         (build_unary_op, build_modify_expr): Use readonly_warning for
4559         storing into something readonly but not const-qualified.
4560
4561 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4562
4563         PR c/22367
4564         * c-typeck.c (build_unary_op): Check for taking address of
4565         expression of type void.
4566
4567 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4568
4569         PR c/35210
4570         * c-typeck.c (build_function_call): Check for calling a function
4571         with qualified void return types.  Call require_complete_type when
4572         generating a trap.
4573
4574 2009-04-18  Jan Hubicka  <jh@suse.cz>
4575
4576         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4577         Set nothrow flag.
4578         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4579         can_throw_external flag.
4580         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4581         * ipa-pure-const.c (ignore_edge): New function.
4582         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4583         only over can_throw_external edges.
4584         (local_pure_const): Add nothrow flag.
4585         * ipa-utils.c (searchc): Add ignore_edge callback.
4586         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4587         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4588         (set_nothrow_function_flags): Update cgraph.
4589         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4590
4591 2009-04-18  Richard Guenther  <rguenther@suse.de>
4592
4593         PR middle-end/39804
4594         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4595         (fold_stmt): ... this and ...
4596         (fold_stmt_inplace): ... this.
4597         (fold_stmt_1): Fold references in calls and asms.
4598         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4599
4600 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4601
4602         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4603         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4604
4605 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4606
4607         * tree.c (function_args_count): Remove.
4608         * tree.h: Remove the prototype for function_args_count.
4609
4610 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4611
4612         * tree-iterator.c (expr_only): Remove.
4613         * tree.h: Remove the prototype for expr_only.
4614
4615 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4616
4617         * reginfo.c (cannot_change_mode_set_regs): Remove.
4618         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4619
4620 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4621
4622         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4623         whether operands 0 and 1 overlaps.
4624
4625 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4626
4627         PR middle-end/36902
4628         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4629         pointer. Use warning_at instead of warning.
4630         (search_for_addr_array): Likewise.
4631         (check_array_bounds): Likewise.
4632         (check_all_array_refs): Check that the incoming edge is not in the
4633         list of edges to be removed.
4634         (check_all_array_refs): Avoid the temporal pointer.
4635         (vrp_visit_cond_stmt): Fix typo.
4636         (simplify_switch_using_ranges): Handle the case where the switch
4637         index is an integer constant.
4638
4639 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4640
4641         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4642
4643 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4644
4645         * doc/extend.texi, doc/invoke.texi: Fix typos.
4646
4647 2009-04-17  Cary Coutant  <ccoutant@google.com>
4648
4649         * tree-flow-inline.h (get_lineno): Fix inverted test.
4650
4651 2009-04-17  Diego Novillo  <dnovillo@google.com>
4652
4653         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4654         assertion for AVAIL_OUT.
4655
4656 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4657
4658         PR target/38627
4659         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4660         * config/sh/linux-atomic.asm: Likewise.
4661
4662 2009-04-17  Diego Novillo  <dnovillo@google.com>
4663
4664         * except.c (debug_eh_tree): New.
4665         (struct eh_region, struct eh_status): Move ...
4666         * except.h: ... here.
4667         (add_type_for_runtime): Declare extern.
4668         (lookup_type_for_runtime): Likewise.
4669         (debug_eh_tree): Declare.
4670         * Makefile.in (GTFILES): List except.h before except.c
4671
4672 2009-04-17  Diego Novillo  <dnovillo@google.com>
4673
4674         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4675         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4676         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4677         (find_vars_r): ... here.
4678         * tree-flow.h (find_referenced_vars_in): Declare.
4679         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4680         that AVAIL_OUT exists for BLOCK.
4681         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4682         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4683         (tree-parloops.o): Likewise.
4684
4685 2009-04-17  Simon Baldwin  <simonb@google.com>
4686
4687         * toplev.c (default_tree_printer): Add handling for %E format.
4688
4689 2009-04-17  Diego Novillo  <dnovillo@google.com>
4690
4691         * tree-pretty-print.c (dump_generic_node): Add break after
4692         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4693         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4694         FUNCTION_TYPE together.  Call print_struct_decl when printing
4695         structures and TDF_SLIM is not given.
4696         (print_struct_decl): Fix logic for detecting recursion.
4697
4698 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4699
4700         PR 31567
4701         * gcc.c (create_at_file): New.
4702         (compile_input_file_p): New.
4703         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4704         * main.c (main): Update call to toplev_main.
4705         * toplev.c (toplev_main): Change signature. Call expandargv.
4706         * toplev.h (toplev_main): Change signature.
4707
4708 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4709
4710         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4711         if the latter is not constant.
4712
4713 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4714
4715         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4716
4717 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4718
4719         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4720         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4721
4722 2009-04-17  Richard Guenther  <rguenther@suse.de>
4723
4724         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4725         Handle component references view-converting an invariant address.
4726
4727 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4728
4729         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4730         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4731         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4732         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4733         Use @deftypevr rather than @deftypevar.
4734
4735 2009-04-17  Richard Guenther  <rguenther@suse.de>
4736
4737         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4738         (get_prop_source_stmt): Likewise.
4739         (can_propagate_from): Likewise.
4740
4741 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4742
4743         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4744         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4745         (--with-multilib-list): Add default value.
4746         * configure: Regenerate.
4747         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4748         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4749         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4750         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4751         Don't add default cpu to multilib list unnecessarily, but do enable
4752         the relevant compiler option..
4753         Add support for --with-multilib-list=<blank> and
4754         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4755         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4756         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4757         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4758         TM_MULTILIB_CONFIG.
4759         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4760         (MULTILIB_OSDIRNAMES): New variable.
4761         * config/sh/t-1e: Delete file.
4762         * config/sh/t-mlib-sh1: Delete file.
4763         * config/sh/t-mlib-sh2: Delete file.
4764         * config/sh/t-mlib-sh2a: Delete file.
4765         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4766         * config/sh/t-mlib-sh2a-single: Delete file.
4767         * config/sh/t-mlib-sh2a-single-only: Delete file.
4768         * config/sh/t-mlib-sh2e: Delete file.
4769         * config/sh/t-mlib-sh3e: Delete file.
4770         * config/sh/t-mlib-sh4: Delete file.
4771         * config/sh/t-mlib-sh4-nofpu: Delete file.
4772         * config/sh/t-mlib-sh4-single: Delete file.
4773         * config/sh/t-mlib-sh4-single-only: Delete file.
4774         * config/sh/t-mlib-sh4a: Delete file.
4775         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4776         * config/sh/t-mlib-sh4a-single: Delete file.
4777         * config/sh/t-mlib-sh4a-single-only: Delete file.
4778         * config/sh/t-mlib-sh4al: Delete file.
4779         * config/sh/t-mlib-sh5-32media: Delete file.
4780         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4781         * config/sh/t-mlib-sh5-64media: Delete file.
4782         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4783         * config/sh/t-mlib-sh5-compact: Delete file.
4784         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4785         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4786         * doc/install.texi (Options specification): Add
4787         --with-multilib-list and --with-endian.
4788
4789 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4790
4791         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4792         REVISION_c.
4793         (OBJS-common): Add plugin-version.o.
4794         (plugin-version.o): New.
4795         * gcc-plugin.h (plugin_gcc_version): New.
4796         (plugin_default_version_check): New.
4797         (plugin_init_func, plugin_init): Add version argument.
4798         * plugin-version.c: New.
4799         * plugin.c (str_plugin_gcc_version_name): New.
4800         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4801         pass it to the init function.
4802         (plugin_default_version_check): New.
4803
4804 2009-04-17  Richard Guenther  <rguenther@suse.de>
4805
4806         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4807         for decl-vs-decl disambiguation.
4808
4809 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4810
4811         * config/s390/s390.h (s390_tune_attr): New macro definition.
4812         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4813
4814 2009-04-17  Richard Guenther  <rguenther@suse.de>
4815
4816         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4817         (fold_stmt_r): Likewise.
4818         (maybe_fold_reference): New function.
4819         (fold_gimple_assign): Handle cases fold_stmt_r did.
4820         (fold_stmt): Do not use fold_stmt_r.
4821         (fold_stmt_inplace): Likewise.
4822
4823 2009-04-17  Richard Guenther  <rguenther@suse.de>
4824
4825         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4826         (record_equivalences_from_stmt): Remove useless checks and
4827         simplifications.
4828         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4829         the type is already suitable.
4830
4831 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4832
4833         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4834
4835 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4836
4837         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4838         (CMPtype): Define as __gcc_CMPtype.
4839
4840 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4841
4842         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4843         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4844
4845 2009-04-17  Richard Guenther  <rguenther@suse.de>
4846
4847         PR tree-optimization/39746
4848         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4849         special-casing for builtins and static variable use/def.
4850         (call_may_clobber_ref_p_1): Likewise.
4851
4852 2009-04-16  Ian Lance Taylor  <iant@google.com>
4853
4854         * df.h: Include "timevar.h".
4855         (struct df_problem): Change tv_id field to timevar_id_t.
4856         * tree-pass.h: Include "timevar.h".
4857         (struct opt_pass): Change tv_id field to timevar_id_t.
4858         * timevar.h (timevar_id_t): Define TV_NONE.
4859         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4860         TV_NONE rather than tv_id != 0.
4861         (execute_one_pass): Likewise.
4862         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4863         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4864         dependencies to $(TREE_PASS_H).
4865         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4866         to TV_NONE.
4867         (pass_branch_target_load_optimize2): Likewise.
4868         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4869         (pass_outof_cfg_layout_mode): Likewise.
4870         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4871         (pass_rebuild_cgraph_edges): Likewise.
4872         (pass_remove_cgraph_callee_edges): Likewise.
4873         * df-core.c (pass_df_initialize_opt): Likewise.
4874         (pass_df_initialize_no_opt): Likewise.
4875         (pass_df_finish): Likewise.
4876         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4877         * except.c (pass_set_nothrow_function_flags): Likewise.
4878         (pass_convert_to_eh_region_ranges): Likewise.
4879         * final.c (pass_compute_alignments): Likewise.
4880         * function.c (pass_instantiate_virtual_regs): Likewise.
4881         (pass_init_function): Likewise.
4882         (pass_leaf_regs): Likewise.
4883         (pass_match_asm_constraints): Likewise.
4884         * gimple-low.c (pass_lower_cf): Likewise.
4885         (pass_mark_used_blocks): Likewise.
4886         * init-regs.c (pass_initialize_regs): Likewise.
4887         * integrate.c (pass_initial_value_sets): Likewise.
4888         * ira.c (pass_ira): Likewise.
4889         * jump.c (pass_cleanup_barriers): Likewise.
4890         * omp-low.c (pass_expand_omp): Likewise.
4891         (pass_lower_omp): Likewise.
4892         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4893         * recog.c (pass_split_all_insns): Likewise.
4894         (pass_split_after_reload): Likewise.
4895         (pass_split_before_regstack): Likewise.
4896         (pass_split_before_sched2): Likewise.
4897         (pass_split_for_shorten_branches): Likewise.
4898         * reginfo.c (pass_reginfo_init): Likewise.
4899         (pass_subregs_of_mode_init): Likewise.
4900         (pass_subregs_of_mode_finish): Likewise.
4901         * passes.c (pass_postreload): Likewise.
4902         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4903         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4904         (pass_warn_function_return): Likewise.
4905         (pass_warn_function_noreturn): Likewise.
4906         * tree-complex.c (pass_lower_complex): Likewise.
4907         (pass_lower_complex_O0): Likewise.
4908         * tree-if-conv.c (pass_if_conversion): Likewise.
4909         * tree-into-ssa.c (pass_build_ssa): Likewise.
4910         * tree-mudflap.c (pass_mudflap_1): Likewise.
4911         (pass_mudflap_2): Likewise.
4912         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4913         (pass_mudflap_2): Likewise.
4914         * tree-nrv.c (pass_return_slot): Likewise.
4915         * tree-object-size.c (pass_object_sizes): Likewise.
4916         * tree-optimize.c (pass_all_optimizations): Likewise.
4917         (pass_early_local_passes): Likewise.
4918         (pass_all_early_optimizations): Likewise.
4919         (pass_cleanup_cfg): Likewise.
4920         (pass_cleanup_cfg_post_optimizing): Likewise.
4921         (pass_free_datastructures): Likewise.
4922         (pass_free_cfg_annotations): Likewise.
4923         (pass_fixup_cfg): Likewise.
4924         (pass_init_datastructures): Likewise.
4925         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4926         (pass_late_warn_uninitialized): Likewise.
4927         (pass_update_address_taken): Likewise.
4928         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4929         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4930         (pass_cse_sincos): Likewise.
4931         (pass_convert_to_rsqrt): Likewise.
4932         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4933         * tree-stdarg.c (pass_stdarg): Likewise.
4934         * tree-tailcall.c (pass_tail_recursion): Likewise.
4935         (pass_tail_calls): Likewise.
4936         * tree-vect-generic.c (pass_lower_vector): Likewise.
4937         (pass_lower_vector_ssa): Likewise.
4938         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4939
4940 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4941
4942         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4943         XLR entry.
4944         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4945         Handle -march=xlr.
4946         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4947         logical and signext.
4948
4949 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4950
4951         PR target/39767
4952         * config/sh/predicates.md (arith_operand): Check if the operand
4953         of TRUNCATE is a REG.
4954
4955 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4956
4957         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4958         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4959
4960 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4961
4962         * tree-iterator.c (tsi_split_statement_list_after,
4963         tsi_split_statement_list_before): Remove.
4964         * tree-iterator.h: Remove the prototypes for
4965         tsi_split_statement_list_after and tsi_split_statement_list_before.
4966
4967 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4968
4969         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4970         * tree-ssa-propagate.h: Remove the prototype for
4971         stmt_makes_single_load.
4972
4973 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4974
4975         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4976         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4977
4978 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4979
4980         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4981
4982 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4983
4984         * except.c (eh_region_outer_p): Remove.
4985         * except.h: Remove the prototype for eh_region_outer_p.
4986
4987 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4988
4989         * function.c (current_function_assembler_name): Remove.
4990         * function.h: Remove the prototype for
4991         current_function_assembler_name.
4992
4993 2009-04-16  Ian Lance Taylor  <iant@google.com>
4994
4995         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4996         (add_reg_note): Call alloc_reg_note.
4997         * rtl.h (alloc_reg_note): Declare.
4998         * combine.c (try_combine): Use alloc_reg_note.
4999         (recog_for_combine, move_deaths): Likewise.
5000         (distribute_notes): Use alloc_reg_note and add_reg_note.
5001         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5002         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5003         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5004
5005 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5006
5007         PR rtl-optimization/39762
5008         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5009         ira_may_move_out_cost): Add comments about way of their usage.
5010         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5011
5012         * ira-conflicts.c (process_regs_for_copy): Use function
5013         ira_get_register_move_cost instead of global
5014         ira_register_move_cost.
5015
5016         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5017         color_pass, move_spill_restore, update_curr_costs): Ditto.
5018
5019         * ira-lives.c (process_single_reg_class_operands): Ditto.
5020
5021         * ira-emit.c (emit_move_list): Ditto.
5022
5023         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5024         (record_reg_classes): Ditto.  Use functions
5025         ira_get_register_move_cost and ira_get_may_move_cost instead of
5026         global vars ira_register_move_cost, ira_may_move_out_cost and
5027         ira_may_move_in_cost.
5028         (record_address_regs): Don't call ira_init_register_move_cost.
5029         Use function ira_get_may_move_cost instead of global
5030         ira_may_move_in_cost.
5031         (process_bb_node_for_hard_reg_moves): Use function
5032         ira_get_register_move_cost instead of global ira_register_move_cost.
5033         (ira_costs): Don't call ira_init_register_move_cost.
5034
5035 2009-04-16  Richard Guenther  <rguenther@suse.de>
5036
5037         * tree-cfg.c (verify_gimple_assign_binary):
5038         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5039         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5040         (create_general_new_stmt): Note that this function is broken.
5041
5042 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5043
5044         * common.opt (fhelp): Add Var(help_flag).
5045         * gcc-plugin.h (plugin_info): Add help.
5046         * plugin.c (plugin_name_args): Add help.
5047         (register_plugin_info): Set plugin->help.
5048         (print_help_one_plugin): New.
5049         (print_plugins_help): New.
5050         * plugin.h (print_plugins_help): New.
5051         * toplev.c (toplev_main): Call print_plugins_help if needed.
5052
5053 2009-04-16  Richard Guenther  <rguenther@suse.de>
5054
5055         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5056         (gimple_ior_addresses_taken_1): New function.
5057         (gimple_ior_addresses_taken): Likewise.
5058         * gimple.h (struct gimple_statement_with_ops_base): Remove
5059         addresses_taken member.
5060         (gimple_ior_addresses_taken): Declare.
5061         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5062         gimple_set_addresses_taken): Remove.
5063         * ipa-reference.c (mark_address): New function.
5064         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5065         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5066         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5067         (gimple_add_to_addresses_taken): Remove.
5068         (get_tmr_operands): Call mark_address_taken.
5069         (get_asm_expr_operands): Likewise.
5070         (get_expr_operands): Likewise.
5071         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5072         (free_stmt_operands): Do not free it.
5073         * tree-ssa.c (delete_tree_ssa): Likewise.
5074         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5075
5076 2009-04-16  Richard Guenther  <rguenther@suse.de>
5077
5078         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5079         (walk_stmt_load_store_ops): Likewise.
5080         * gimple.c (get_base_loadstore): New function.
5081         (walk_stmt_load_store_addr_ops): Likewise.
5082         (walk_stmt_load_store_ops): Likewise.
5083         * ipa-pure-const.c (check_op): Simplify.
5084         (check_load, check_store): New functions.
5085         (check_stmt): Use walk_stmt_load_store_ops.
5086         * ipa-reference.c (mark_load): Adjust signature.
5087         (mark_store): Likewise.
5088         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5089
5090 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5091
5092         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5093         (plugin_info): New.
5094         * opts.c (common_handle_option): Don't call print_version.
5095         * plugin.c (plugin_name_args): Add version.
5096         (register_plugin_info): New.
5097         (register_callback): Handle PLUGIN_INFO.
5098         (try_init_one_plugin): New.
5099         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5100         if failed to init.
5101         (finalize_one_plugin): New.
5102         (finalize_plugins): New.
5103         (print_one_plugin): New.
5104         (print_plugins_versions): New.
5105         * plugin.h (print_plugins_versions): New.
5106         (finalize_plugins): New.
5107         * toplev.c (compile_file): Don't call initialize_plugins.
5108         (print_version): Call print_plugins_versions.
5109         (toplev_main): Call initialize_plugins. Print version if needed.
5110         Call finalize_plugins.
5111
5112 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5113
5114         * common.opt (fversion): New.
5115         * gcc.c (print_version): New.
5116         (process_command): Don't print the version. Just set print_version.
5117         (main): Print version. Call subprocesses if print_version and
5118         verbose_flag are set.
5119         * opts.c (common_handle_option): Handle OPT_fversion.
5120
5121 2009-04-16  Richard Guenther  <rguenther@suse.de>
5122             Ira Rosen  <irar@il.ibm.com>
5123
5124         PR tree-optimization/39698
5125         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5126         type of the reduction variable.  Only generate the def if
5127         it is needed.
5128
5129         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5130         make sure to first convert to an integer of the same precision.
5131         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5132         the type of the evolution correctly in computing the new
5133         induction variable base.
5134
5135 2009-04-16  Richard Guenther  <rguenther@suse.de>
5136
5137         PR middle-end/39625
5138         * tree-cfg.c (make_blocks): Split statements with to-be
5139         abnormal SSA names on the lhs.
5140
5141 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5142
5143         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5144         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5145         * c-typeck.c (really_start_incremental_init): Likewise.
5146         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5147         (TARGET_INITIALIZER): Remove it.
5148         * target.h (struct target): Remove vector_opaque_p.
5149         * tree.c (build_opaque_vector_type): New.
5150         * tree.h (TYPE_VECTOR_OPAQUE): New.
5151         (build_opaque_vector_type): Declare.
5152         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5153         * config/rs6000/rs6000.c (build_opaque_vector_type,
5154         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5155         (rs6000_init_builtins): Use build_opaque_vector_type for
5156         opaque_V4SI_type_node.
5157
5158 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5159
5160         * debug.h (set_name):  Declare.
5161         * dwarf2out.c (dwarf2out_set_name): Declare.
5162         (dwarf2_debug_hooks): Add set_name.
5163         (find_AT_string): New.
5164         (add_AT_string): Call find_AT_string.
5165         (dwarf2out_set_name): New.
5166         * cp/decl.c (grokdeclarator): Call set_name.
5167         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5168         * debug.c (do_nothing_debug_hooks):  Likewise.
5169         * dbxout.c (dbx_debug_hooks): Likewise.
5170         * sdbout.c (sdb_debug_hooks): Likewise.
5171
5172 2009-04-15  Michael Eager  <eager@eagercon.com>
5173
5174         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5175         reg for single-precision FPU.
5176         * config/rs6000/rs6000.md (movsi_internal1): Only for
5177         !TARGET_SINGLE_FPU.
5178         (movsi_internal1_single): New. Add pattern to move SI values to/from
5179         single-precision FP regs.
5180
5181 2009-04-15  Richard Guenther  <rguenther@suse.de>
5182
5183         * omp-low.c (lower_rec_input_clauses): Build correct address
5184         expressions.
5185         (expand_omp_for_generic): Fix multiplication type.
5186         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5187         (generate_memset_zero): Fix types.
5188         * tree-profile.c (prepare_instrumented_value): Correctly
5189         widen a pointer.
5190
5191 2009-04-15  Ian Lance Taylor  <iant@google.com>
5192
5193         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5194         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5195         for -Wall and for -Wc++-compat.
5196         (c_common_post_options): For C++, set warn_enum_compare if not
5197         already set.
5198         * c-tree.h (struct c_expr): Add field original_type.
5199         (build_external_ref): Update declaration.
5200         * c-parser.c (c_parser_braced_init): Set original_type.
5201         (c_parser_initelt): Likewise.
5202         (c_parser_expr_no_commas): Likewise.
5203         (c_parser_conditional_expression): Likewise.
5204         (c_parser_cast_expression): Likewise.
5205         (c_parser_unary_expression): Likewise.  Pull setting of
5206         original_code to top of function.
5207         (c_parser_sizeof_expression): Set original_type.
5208         (c_parser_alignof_expression): Likewise.
5209         (c_parser_postfix_expression): Likewise.  Pull setting of
5210         original_code to top of function.
5211         (c_parser_postfix_expression_after_paren_type): Set original_type.
5212         (c_parser_postfix_expression_after_primary): Likewise.
5213         (c_parser_expression): Likewise.
5214         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5215         callers.
5216         (c_expr_sizeof_expr): Set original_type field.
5217         (parser_build_unary_op): Likewise.
5218         (parser_build_binary_op): Likewise.  Optionally warn about
5219         comparisons of enums of different types.
5220         (digest_init): Set original_type field.
5221         (really_start_incremental_init): Likewise.
5222         (push_init_level, pop_init_level): Likewise.
5223         * doc/invoke.texi (Warning Options): -Wenum-compare now
5224         supported in C.
5225
5226 2009-04-15  Richard Guenther  <rguenther@suse.de>
5227
5228         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5229         out a necessary conversion.
5230         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5231         names we didn't value number.
5232         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5233
5234 2009-04-15  Richard Guenther  <rguenther@suse.de>
5235
5236         PR tree-optimization/39764
5237         * tree-ssa-ccp.c (get_value): Canonicalize value with
5238         canonicalize_float_value.
5239
5240 2009-04-15  Jan Hubicka  <jh@suse.cz>
5241
5242         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5243         Wrong version of patch.
5244
5245 2009-04-15  Jan Hubicka  <jh@suse.cz>
5246
5247         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5248
5249 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5250
5251         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5252         our distinct integral and vector types.
5253
5254 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5255
5256         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5257         * init.c (build_vtbl_address): Remove call to assemble_external.
5258
5259 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5260
5261         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5262         output for other floating point modes.
5263
5264 2009-04-14  Diego Novillo  <dnovillo@google.com>
5265
5266         * diagnostic.c (diagnostic_report_diagnostic): Do not
5267         warn about loaded plugins for DK_ERROR and DK_WARNING.
5268         * c-decl.c (declspecs_add_type): Move call to
5269         invoke_plugin_callbacks ...
5270         * c-parser.c (c_parser_declspecs): ... here.
5271         * plugin.c (dump_active_plugins): Tidy output.
5272
5273 2009-04-14  Diego Novillo  <dnovillo@google.com>
5274             Le-Chun Wu  <lcwu@google.com>
5275
5276         * configure.ac: Add --enable-plugin support.
5277         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5278         * Makefile.in (PLUGIN_H): Define.
5279         Export ENABLE_PLUGIN and GMPINC to site.exp.
5280         Add PLUGINLIBS to link command.
5281         Add/modify dependencies for plugin.o and files including plugin.h.
5282         (plugin.o): New.
5283         * config.in: Regenerate.
5284
5285         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5286         OPT_fplugin_arg_.
5287
5288 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5289
5290         * tree-pass.h (register_one_dump_file): Add a prototype for
5291         register_one_dump_file.
5292         * toplev.c (compile_file): Call initialize_plugins.
5293         (do_compile): Call invoke_plugin_callbacks.
5294         (toplev_main): Call invoke_plugin_callbacks.
5295         * common.opt: Add -fplugin= and -fplugin-arg-.
5296         * gcc-plugin.h: New public header file for plugins to include.
5297         * plugin.c: New source file.
5298         * plugin.h: New internal header file.
5299         * passes.c (register_one_dump_file): Make it external.
5300
5301         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5302
5303 2009-04-14  Diego Novillo  <dnovillo@google.com>
5304
5305         * doc/plugins.texi: New.
5306         * doc/gccint.texi: Add reference to Plugins chapter.
5307         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5308         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5309         loaded plugins, if any.
5310         * timevar.def (TV_PLUGIN_INIT): Define.
5311         (TV_PLUGIN_RUN): Define.
5312         * plugin.c: Include timevar.h
5313         (plugins_active_p): New.
5314         (dump_active_plugins): New.
5315         (debug_active_plugins): New.
5316
5317 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5318
5319         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5320         library paths.
5321         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5322
5323 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5324
5325         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5326         the same as a minus without a shift.
5327
5328 2009-04-14  Nick Clifton  <nickc@redhat.com>
5329
5330         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5331         comparisons with small integers will always produce a short
5332         branch.
5333
5334 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5335
5336         Merge:
5337         2008-12-19  Diego Novillo  <dnovillo@google.com>
5338
5339         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5340
5341 2009-04-14  Richard Guenther  <rguenther@suse.de>
5342
5343         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5344         verification.
5345         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5346         rotates correctly.
5347         (verify_gimple_phi): Print the mismatched argument position.
5348         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5349         Fix types.
5350         (vect_update_init_of_dr): Likewise.
5351         * matrix-reorg.c (transform_access_sites): Do what the
5352         comment suggests.
5353         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5354
5355 2009-04-13  Michael Eager  <eager@eagercon.com>
5356
5357         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5358         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5359         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5360         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5361         remove duplicate config
5362
5363 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5364
5365         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5366         file_name:line_number type locator of the call site.
5367
5368 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5369
5370         * genautomata.c: Put blank after comma.
5371         (automaton_decls): New.
5372         (struct unit_usage): Add comments to member next.
5373         (store_alt_unit_usage): Keep the list ordered.
5374         (unit_present_on_list_p, equal_alternatives_p): New.
5375         (check_regexp_units_distribution): Check units distribution
5376         correctness correctly.
5377         (main): Don't write automata if error is found.  Return correct
5378         exit code.
5379
5380         * config/m68k/cf.md (cfv4_ds): Remove.
5381         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5382         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5383
5384         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5385         power4-load-ext, power4-store, power4-store-update,
5386         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5387         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5388         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5389         power4-sqrt, power4-isync): Modify reservation to make correct
5390         unit distribution to automata.
5391
5392         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5393         power5-store-update, power5-two, power5-three, power5-lmul,
5394         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5395
5396 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5397
5398         * except.c (pass_set_nothrow_function_flags): Set name and add
5399         TODO_dump_func.
5400         (set_nothrow_function_flags): Mention in the dump file when
5401         changing a function to nothrow.
5402
5403 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5404
5405         PR/39066
5406         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5407         instead of unsigned long.
5408
5409 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5410
5411         * config/arm/arm.c (return_used_this_function): Remove.
5412         (arm_output_function_prologue): Remove use of
5413         return_used_this_function.
5414         (output_return_instruction): Replace use of
5415         return_used_this_function
5416         by cfun->machine->return_used_this_function.
5417         (arm_output_epilogue): Likewise.
5418         (arm_output_function_epilogue): Likewise.
5419         (thumb_unexpanded_epilogue): Likewise.
5420         * config/arm/arm.h (struct machine_function):
5421         New member return_used_this_function.
5422
5423 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5424
5425         * doc/install.texi: Correct description of default directory for
5426         --with-gxx-include-dir.
5427
5428 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5429
5430         * fold-const.c (build_range_check): Properly deal with enumeral and
5431         boolean base types.
5432
5433 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5434
5435         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5436         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5437         * params.h (MAX_GCSE_PASSES): Remove.
5438         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5439         in sequence.  Remove ability to run multiple passes.
5440         (bypass_jumps): Report run as third CPROP pass.
5441
5442 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5443
5444         PR middle-end/39651
5445         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5446         when deciding whether the whole SEQUENCE can throw.
5447
5448 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5449
5450         PR target/39740
5451         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5452         offseted label references.
5453
5454 2009-04-11  Jan Hubicka  <jh@suse.cz>
5455
5456         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5457
5458 2009-04-11  Richard Guenther  <rguenther@suse.de>
5459
5460         PR middle-end/39732
5461         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5462         return variables as TREE_ADDRESSABLE.
5463
5464 2009-04-11  Richard Guenther  <rguenther@suse.de>
5465
5466         PR tree-optimization/39713
5467         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5468         reference trees have SSA_NAME operands.
5469
5470 2009-04-11  Richard Guenther  <rguenther@suse.de>
5471
5472         PR c/39712
5473         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5474         address expressions.
5475
5476 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5477
5478         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5479         match changes in Cygwin 1.7
5480         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5481         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5482
5483 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5484
5485         PR tree-optimization/39701
5486         * doc/invoke.texi (Optimization Options): Document change in
5487         meaning and initialization of -fdelete-null-pointer-checks.
5488
5489 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5490
5491         PR middle-end/39701
5492         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5493
5494         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5495         here.
5496
5497         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5498
5499 2009-04-10  Chao-ying Fu  <fu@mips.com>
5500
5501         * doc/tm.texi (Instruction Output): Document
5502         TARGET_ASM_FINAL_POSTSCAN_INSN.
5503         * target.h (final_postscan_insn): New field in asm_out.
5504         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5505         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5506         * final.c (final_scan_insn): Call
5507         targetm.asm_out.final_postscan_insn after outputting
5508         an asm macro and a normal instruction.
5509
5510         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5511         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5512         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5513         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5514         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5515
5516 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5517
5518         PR middle-end/39701
5519         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5520         variables as non-NULL even with -fdelete-null-pointer-checks.
5521
5522 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5523
5524         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5525
5526 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5527
5528         PR target/39678
5529         * config/i386/i386.c (classify_argument): Handle SCmode with
5530         (bit_offset % 64) != 0.
5531
5532 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5533
5534         * doc/invoke.texi (Optimize Options): Add cross-reference to
5535         -Q --help=optimizers examples.
5536
5537 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5538
5539         PR target/36800
5540         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5541         regalign for the reg == fpr and TDmode case.
5542
5543 2009-04-09  David Ayers  <ayers@fsfe.org>
5544
5545         PR objc/29200
5546         * objc/objc-act.c (warn_with_method): Remove helper function.
5547         (check_duplicates): Call warning and inform directly.
5548         (really_start_method): Likewise.
5549
5550 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5551
5552         * expmed.c (expand_divmod): Always use a comparison for a division
5553         by a large unsigned integer.
5554
5555         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5556         for things others than variables or functions as nonzero.
5557
5558 2009-04-09  Nick Clifton  <nickc@redhat.com>
5559
5560         * unwind-compat.c: Change copyright header to refer to version
5561         3 of the GNU General Public License with version 3.1 of the
5562         GCC Runtime Library Exception and to point readers at the
5563         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5564         * config/alpha/crtfastmath.c: Likewise.
5565         * config/alpha/linux-unwind.h: Likewise.
5566         * config/alpha/qrnnd.asm: Likewise.
5567         * config/alpha/vms-crt0-64.c: Likewise.
5568         * config/alpha/vms-crt0.c: Likewise.
5569         * config/alpha/vms-dwarf2.asm: Likewise.
5570         * config/alpha/vms-dwarf2eh.asm: Likewise.
5571         * config/alpha/vms-psxcrt0-64.c: Likewise.
5572         * config/alpha/vms-psxcrt0.c: Likewise.
5573         * config/alpha/vms_tramp.asm: Likewise.
5574         * config/arc/initfini.c: Likewise.
5575         * config/arc/lib1funcs.asm: Likewise.
5576         * config/arm/bpabi-v6m.S: Likewise.
5577         * config/arm/bpabi.S: Likewise.
5578         * config/arm/bpabi.c: Likewise.
5579         * config/arm/crti.asm: Likewise.
5580         * config/arm/crtn.asm: Likewise.
5581         * config/arm/ieee754-df.S: Likewise.
5582         * config/arm/ieee754-sf.S: Likewise.
5583         * config/arm/lib1funcs.asm: Likewise.
5584         * config/arm/libunwind.S: Likewise.
5585         * config/arm/linux-atomic.c: Likewise.
5586         * config/arm/mmintrin.h: Likewise.
5587         * config/arm/pr-support.c: Likewise.
5588         * config/arm/unaligned-funcs.c: Likewise.
5589         * config/arm/unwind-arm.c: Likewise.
5590         * config/arm/unwind-arm.h: Likewise.
5591         * config/avr/libgcc.S: Likewise.
5592         * config/bfin/crti.s: Likewise.
5593         * config/bfin/crtlibid.s: Likewise.
5594         * config/bfin/crtn.s: Likewise.
5595         * config/bfin/lib1funcs.asm: Likewise.
5596         * config/bfin/linux-unwind.h: Likewise.
5597         * config/cris/arit.c: Likewise.
5598         * config/cris/cris_abi_symbol.c: Likewise.
5599         * config/darwin-64.c: Likewise.
5600         * config/darwin-crt2.c: Likewise.
5601         * config/darwin-crt3.c: Likewise.
5602         * config/darwin.h: Likewise.
5603         * config/dbxelf.h: Likewise.
5604         * config/dfp-bit.c: Likewise.
5605         * config/dfp-bit.h: Likewise.
5606         * config/elfos.h: Likewise.
5607         * config/fixed-bit.c: Likewise.
5608         * config/fixed-bit.h: Likewise.
5609         * config/fp-bit.c: Likewise.
5610         * config/fp-bit.h: Likewise.
5611         * config/fr30/crti.asm: Likewise.
5612         * config/fr30/crtn.asm: Likewise.
5613         * config/fr30/lib1funcs.asm: Likewise.
5614         * config/freebsd-spec.h: Likewise.
5615         * config/frv/cmovd.c: Likewise.
5616         * config/frv/cmovh.c: Likewise.
5617         * config/frv/cmovw.c: Likewise.
5618         * config/frv/frvbegin.c: Likewise.
5619         * config/frv/frvend.c: Likewise.
5620         * config/frv/lib1funcs.asm: Likewise.
5621         * config/glibc-stdint.h: Likewise.
5622         * config/h8300/clzhi2.c: Likewise.
5623         * config/h8300/crti.asm: Likewise.
5624         * config/h8300/crtn.asm: Likewise.
5625         * config/h8300/ctzhi2.c: Likewise.
5626         * config/h8300/fixunssfsi.c: Likewise.
5627         * config/h8300/lib1funcs.asm: Likewise.
5628         * config/h8300/parityhi2.c: Likewise.
5629         * config/h8300/popcounthi2.c: Likewise.
5630         * config/i386/ammintrin.h: Likewise.
5631         * config/i386/att.h: Likewise.
5632         * config/i386/avxintrin.h: Likewise.
5633         * config/i386/biarch64.h: Likewise.
5634         * config/i386/bmmintrin.h: Likewise.
5635         * config/i386/cpuid.h: Likewise.
5636         * config/i386/cross-stdarg.h: Likewise.
5637         * config/i386/crtfastmath.c: Likewise.
5638         * config/i386/crtprec.c: Likewise.
5639         * config/i386/cygming-crtbegin.c: Likewise.
5640         * config/i386/cygming-crtend.c: Likewise.
5641         * config/i386/cygwin.asm: Likewise.
5642         * config/i386/emmintrin.h: Likewise.
5643         * config/i386/gmm_malloc.h: Likewise.
5644         * config/i386/gthr-win32.c: Likewise.
5645         * config/i386/i386.h: Likewise.
5646         * config/i386/immintrin.h: Likewise.
5647         * config/i386/linux-unwind.h: Likewise.
5648         * config/i386/linux64.h: Likewise.
5649         * config/i386/mm3dnow.h: Likewise.
5650         * config/i386/mmintrin-common.h: Likewise.
5651         * config/i386/mmintrin.h: Likewise.
5652         * config/i386/nmmintrin.h: Likewise.
5653         * config/i386/pmm_malloc.h: Likewise.
5654         * config/i386/pmmintrin.h: Likewise.
5655         * config/i386/smmintrin.h: Likewise.
5656         * config/i386/sol2-c1.asm: Likewise.
5657         * config/i386/sol2-ci.asm: Likewise.
5658         * config/i386/sol2-cn.asm: Likewise.
5659         * config/i386/sol2-gc1.asm: Likewise.
5660         * config/i386/tmmintrin.h: Likewise.
5661         * config/i386/unix.h: Likewise.
5662         * config/i386/w32-unwind.h: Likewise.
5663         * config/i386/wmmintrin.h: Likewise.
5664         * config/i386/x86-64.h: Likewise.
5665         * config/i386/x86intrin.h: Likewise.
5666         * config/i386/xmmintrin.h: Likewise.
5667         * config/ia64/crtbegin.asm: Likewise.
5668         * config/ia64/crtend.asm: Likewise.
5669         * config/ia64/crtfastmath.c: Likewise.
5670         * config/ia64/crti.asm: Likewise.
5671         * config/ia64/crtn.asm: Likewise.
5672         * config/ia64/fde-glibc.c: Likewise.
5673         * config/ia64/lib1funcs.asm: Likewise.
5674         * config/ia64/linux-unwind.h: Likewise.
5675         * config/ia64/quadlib.c: Likewise.
5676         * config/ia64/unwind-ia64.c: Likewise.
5677         * config/linux.h: Likewise.
5678         * config/m32c/m32c-lib1.S: Likewise.
5679         * config/m32c/m32c-lib2-trapv.c: Likewise.
5680         * config/m32c/m32c-lib2.c: Likewise.
5681         * config/m32r/initfini.c: Likewise.
5682         * config/m68hc11/larith.asm: Likewise.
5683         * config/m68hc11/m68hc11-crt0.S: Likewise.
5684         * config/m68k/cf.md: Likewise.
5685         * config/m68k/crti.s: Likewise.
5686         * config/m68k/crtn.s: Likewise.
5687         * config/m68k/lb1sf68.asm: Likewise.
5688         * config/m68k/linux-unwind.h: Likewise.
5689         * config/mcore/crti.asm: Likewise.
5690         * config/mcore/crtn.asm: Likewise.
5691         * config/mcore/lib1.asm: Likewise.
5692         * config/mips/linux-unwind.h: Likewise.
5693         * config/mips/loongson.h: Likewise.
5694         * config/mips/mips16.S: Likewise.
5695         * config/mmix/crti.asm: Likewise.
5696         * config/mmix/crtn.asm: Likewise.
5697         * config/pa/fptr.c: Likewise.
5698         * config/pa/hpux-unwind.h: Likewise.
5699         * config/pa/lib2funcs.asm: Likewise.
5700         * config/pa/linux-atomic.c: Likewise.
5701         * config/pa/linux-unwind.h: Likewise.
5702         * config/pa/milli64.S: Likewise.
5703         * config/pa/quadlib.c: Likewise.
5704         * config/pa/stublib.c: Likewise.
5705         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5706         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5707         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5708         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5709         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5710         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5711         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5712         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5713         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5714         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5715         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5716         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5717         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5718         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5719         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5720         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5721         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5722         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5723         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5724         * config/rs6000/750cl.h: Likewise.
5725         * config/rs6000/altivec.h: Likewise.
5726         * config/rs6000/biarch64.h: Likewise.
5727         * config/rs6000/crtresfpr.asm: Likewise.
5728         * config/rs6000/crtresgpr.asm: Likewise.
5729         * config/rs6000/crtresxfpr.asm: Likewise.
5730         * config/rs6000/crtresxgpr.asm: Likewise.
5731         * config/rs6000/crtsavfpr.asm: Likewise.
5732         * config/rs6000/crtsavgpr.asm: Likewise.
5733         * config/rs6000/darwin-asm.h: Likewise.
5734         * config/rs6000/darwin-fallback.c: Likewise.
5735         * config/rs6000/darwin-fpsave.asm: Likewise.
5736         * config/rs6000/darwin-ldouble.c: Likewise.
5737         * config/rs6000/darwin-tramp.asm: Likewise.
5738         * config/rs6000/darwin-unwind.h: Likewise.
5739         * config/rs6000/darwin-vecsave.asm: Likewise.
5740         * config/rs6000/darwin-world.asm: Likewise.
5741         * config/rs6000/e500crtres32gpr.asm: Likewise.
5742         * config/rs6000/e500crtres64gpr.asm: Likewise.
5743         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5744         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5745         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5746         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5747         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5748         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5749         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5750         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5751         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5752         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5753         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5754         * config/rs6000/eabi-ci.asm: Likewise.
5755         * config/rs6000/eabi-cn.asm: Likewise.
5756         * config/rs6000/eabi.asm: Likewise.
5757         * config/rs6000/linux-unwind.h: Likewise.
5758         * config/rs6000/linux64.h: Likewise.
5759         * config/rs6000/paired.h: Likewise.
5760         * config/rs6000/paired.md: Likewise.
5761         * config/rs6000/ppc64-fp.c: Likewise.
5762         * config/rs6000/ppu_intrinsics.h: Likewise.
5763         * config/rs6000/rs6000.h: Likewise.
5764         * config/rs6000/si2vmx.h: Likewise.
5765         * config/rs6000/sol-ci.asm: Likewise.
5766         * config/rs6000/sol-cn.asm: Likewise.
5767         * config/rs6000/spe.h: Likewise.
5768         * config/rs6000/spu2vmx.h: Likewise.
5769         * config/rs6000/sysv4.h: Likewise.
5770         * config/rs6000/tramp.asm: Likewise.
5771         * config/rs6000/vec_types.h: Likewise.
5772         * config/s390/linux-unwind.h: Likewise.
5773         * config/s390/tpf-unwind.h: Likewise.
5774         * config/score/crti.asm: Likewise.
5775         * config/score/crtn.asm: Likewise.
5776         * config/sh/crt1.asm: Likewise.
5777         * config/sh/crti.asm: Likewise.
5778         * config/sh/crtn.asm: Likewise.
5779         * config/sh/divtab-sh4-300.c: Likewise.
5780         * config/sh/divtab-sh4.c: Likewise.
5781         * config/sh/divtab.c: Likewise.
5782         * config/sh/lib1funcs-4-300.asm: Likewise.
5783         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5784         * config/sh/lib1funcs.asm: Likewise.
5785         * config/sh/lib1funcs.h: Likewise.
5786         * config/sh/linux-atomic.asm: Likewise.
5787         * config/sh/linux-unwind.h: Likewise.
5788         * config/sh/shmedia.h: Likewise.
5789         * config/sh/sshmedia.h: Likewise.
5790         * config/sh/ushmedia.h: Likewise.
5791         * config/sparc/crtfastmath.c: Likewise.
5792         * config/sparc/linux-unwind.h: Likewise.
5793         * config/sparc/sol2-c1.asm: Likewise.
5794         * config/sparc/sol2-ci.asm: Likewise.
5795         * config/sparc/sol2-cn.asm: Likewise.
5796         * config/spu/divmodti4.c: Likewise.
5797         * config/spu/divv2df3.c: Likewise.
5798         * config/spu/float_disf.c: Likewise.
5799         * config/spu/float_unsdidf.c: Likewise.
5800         * config/spu/float_unsdisf.c: Likewise.
5801         * config/spu/float_unssidf.c: Likewise.
5802         * config/spu/mfc_multi_tag_release.c: Likewise.
5803         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5804         * config/spu/mfc_tag_release.c: Likewise.
5805         * config/spu/mfc_tag_reserve.c: Likewise.
5806         * config/spu/mfc_tag_table.c: Likewise.
5807         * config/spu/multi3.c: Likewise.
5808         * config/spu/spu_internals.h: Likewise.
5809         * config/spu/spu_intrinsics.h: Likewise.
5810         * config/spu/spu_mfcio.h: Likewise.
5811         * config/spu/vec_types.h: Likewise.
5812         * config/spu/vmx2spu.h: Likewise.
5813         * config/stormy16/stormy16-lib2.c: Likewise.
5814         * config/svr4.h: Likewise.
5815         * config/sync.c: Likewise.
5816         * config/v850/lib1funcs.asm: Likewise.
5817         * config/vxlib-tls.c: Likewise.
5818         * config/vxlib.c: Likewise.
5819         * config/vxworks-dummy.h: Likewise.
5820         * config/xtensa/crti.asm: Likewise.
5821         * config/xtensa/crtn.asm: Likewise.
5822         * config/xtensa/ieee754-df.S: Likewise.
5823         * config/xtensa/ieee754-sf.S: Likewise.
5824         * config/xtensa/lib1funcs.asm: Likewise.
5825         * config/xtensa/lib2funcs.S: Likewise.
5826         * config/xtensa/linux-unwind.h: Likewise.
5827         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5828         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5829         * coretypes.h: Likewise.
5830         * crtstuff.c: Likewise.
5831         * defaults.h: Likewise.
5832         * dwarf2.h: Likewise.
5833         * emutls.c: Likewise.
5834         * gbl-ctors.h: Likewise.
5835         * gcov-io.h: Likewise.
5836         * ginclude/float.h: Likewise.
5837         * ginclude/iso646.h: Likewise.
5838         * ginclude/stdarg.h: Likewise.
5839         * ginclude/stdbool.h: Likewise.
5840         * ginclude/stddef.h: Likewise.
5841         * ginclude/stdfix.h: Likewise.
5842         * ginclude/stdint-gcc.h: Likewise.
5843         * ginclude/tgmath.h: Likewise.
5844         * gthr-aix.h: Likewise.
5845         * gthr-dce.h: Likewise.
5846         * gthr-gnat.c: Likewise.
5847         * gthr-gnat.h: Likewise.
5848         * gthr-lynx.h: Likewise.
5849         * gthr-mipssde.h: Likewise.
5850         * gthr-nks.h: Likewise.
5851         * gthr-posix.c: Likewise.
5852         * gthr-posix.h: Likewise.
5853         * gthr-posix95.h: Likewise.
5854         * gthr-rtems.h: Likewise.
5855         * gthr-single.h: Likewise.
5856         * gthr-solaris.h: Likewise.
5857         * gthr-tpf.h: Likewise.
5858         * gthr-vxworks.h: Likewise.
5859         * gthr-win32.h: Likewise.
5860         * gthr.h: Likewise.
5861         * libgcc2.c: Likewise.
5862         * libgcc2.h: Likewise.
5863         * libgcov.c: Likewise.
5864         * tsystem.h: Likewise.
5865         * typeclass.h: Likewise.
5866         * unwind-c.c: Likewise.
5867         * unwind-compat.h: Likewise.
5868         * unwind-dw2-fde-compat.c: Likewise.
5869         * unwind-dw2-fde-darwin.c: Likewise.
5870         * unwind-dw2-fde-glibc.c: Likewise.
5871         * unwind-dw2-fde.c: Likewise.
5872         * unwind-dw2-fde.h: Likewise.
5873         * unwind-dw2.c: Likewise.
5874         * unwind-dw2.h: Likewise.
5875         * unwind-generic.h: Likewise.
5876         * unwind-pe.h: Likewise.
5877         * unwind-sjlj.c: Likewise.
5878         * unwind.inc: Likewise.
5879         * config/arm/neon-gen.ml: Change generated copyright header to
5880         refer to version 3 of the GNU General Public License with
5881         version 3.1 of the GCC Runtime Library Exception and to point
5882         readers at the COPYING3 and COPYING3.RUNTIME files and the
5883         FSF's license web page.
5884         * config/arm/arm_neon.h: Regenerate.
5885
5886 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5887
5888         * config/cris/cris.md: Change copyright header to refer to version
5889         3 of the GNU General Public License.
5890         * doc/install.texi2html: Change copyright header to refer to version
5891         3 of the GNU General Public License and to point readers at the
5892         COPYING3 file and the FSF's license web page.
5893         * config/vax/linux.h: Likewise.
5894
5895 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5896
5897         * config/i386/i386.md (cmpcc): New.
5898         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5899         (sync_compare_and_swap_cc*): Delete.
5900
5901         * config/s390/s390.c (s390_compare_emitted): Remove.
5902         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5903         s390_compare_emitted used to be handled.  Assert that modes match.
5904         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5905         refer to sync_compare_and_swap_ccsi.
5906         * config/s390/s390.h (s390_compare_emitted): Remove.
5907         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5908         instead of s390_compare_emitted.
5909         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5910         instead of s390_compare_emitted.
5911         * config/s390/s390.md (cmpcc): New.
5912         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5913         CC_REGNUM, do not pretend it's set.
5914         (sync_compare_and_swap_cc*): Delete.
5915         * config/s390/predicates.md (cc_reg_operand): New.
5916
5917         * expr.c (sync_compare_and_swap_cc): Delete.
5918         * optabs.h (sync_compare_and_swap_cc): Delete.
5919         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5920         is being used with can_compare_p.
5921         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5922         (find_cc_set): New.
5923         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5924         look for a MODE_CC set instead.  Use emit_store_flag.
5925         (expand_compare_and_swap_loop): Likewise, with some additional
5926         complication to avoid a force_reg when useless.  Use
5927         emit_cmp_and_jump_insns.
5928         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5929         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5930         sync_compare_and_swap documentation.
5931
5932 2009-04-09  Jan Hubicka  <jh@suse.cz>
5933
5934         * except.c (find_prev_try): Break out from ....
5935         (duplicate_eh_regions): ... here; properly update prev_try pointers
5936         when duplication part of tree.
5937         (dump_eh_tree): Improve dumping.
5938         (verify_eh_region): New.
5939         (verify_eh_tree): Use it.
5940
5941 2009-04-06  Richard Guenther  <rguenther@suse.de>
5942
5943         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5944         &ARRAY addresses by adjusting their types and prepending
5945         a conversion.
5946         * tree-cfg.c (verify_gimple_assign_single): Verify that
5947         addresses are correct.
5948
5949 2009-04-09  Richard Guenther  <rguenther@suse.de>
5950
5951         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5952         indices into an array reference if possible.
5953         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5954         Fold POINTER_PLUS_EXPR statements with invariant address.
5955
5956 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5957
5958         PR target/39634
5959         * config.gcc (powerpc64-*-linux*): Always build biarch.
5960
5961 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5962
5963         PR c/39613
5964         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5965         it and pedwarn if this results in an INTEGER_CST.
5966
5967 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5968
5969         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5970         text in MPFR section.
5971
5972 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5973
5974         * dwarf2out.c (class_scope_p): New static inline.
5975         (class_or_namespace_scope_p): Use it.
5976         (gen_variable_die): Use DW_TAG_member tag for static data member
5977         declarations instead of DW_TAG_variable.
5978
5979         PR middle-end/39573
5980         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5981         variables.
5982
5983 2009-04-08  Richard Guenther  <rguenther@suse.de>
5984
5985         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5986         valueize random data.
5987
5988 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5989
5990         * config.gcc (aix tm_file):  Add aix-stdint.h.
5991         (aix tm clause use_gcc_stdint):  Set to wrap.
5992         * config/rs6000/aix-stdint.h:  New file.
5993
5994 2009-04-08  Richard Guenther  <rguenther@suse.de>
5995
5996         PR middle-end/36291
5997         * tree-dfa.c (add_referenced_var): Do not recurse into
5998         global initializers.
5999         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6000         exposed variables.
6001         (fold_const_aggregate_ref): Likewise.
6002
6003 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6004
6005         * recog.c (ordered_comparison_operator): New.
6006         * gensupport.c (std_preds): Add it.
6007         * doc/md.texi (Machine-Independent Predicates): Document it.
6008
6009 2009-04-08  Jan Hubicka  <jh@suse.cz>
6010
6011         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6012         * function.h (rtl_eh): Remove exception_handler_label_map.
6013         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6014         remove_exception_handler_label, for_each_eh_label_1): Remove.
6015         (rtl_remove_unreachable_regions): Remove.
6016         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6017         (find_exception_handler_labels): Don't build the hashtable.
6018         (maybe_remove_eh_handler): Remove.
6019         (for_each_eh_label): Rewrite to walk the tree.
6020         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6021         * except.h (maybe_remove_eh_handler): Remove.
6022         * passes.c (init_optimization_passes): Schedule second EH cleanup
6023         before out-of-ssa.
6024         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6025         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6026
6027 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6028
6029         * genoutput.c (validate_optab_operands): New.
6030         (gen_insn, gen_expand): Call it.
6031
6032         * genflags.c (gen_insn): Detect misused iterators.
6033         (main): Pass line_no to gen_insn, exit with status 1 on error.
6034
6035         * genextract.c (line_no): Make global.
6036         (VEC_safe_set_locstr): Change assertion to error message.
6037         (main): Exit with status 1 on error.
6038
6039 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6040
6041         PR c/39614
6042         PR c/39673
6043         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6044         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6045         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6046         * c-convert.c (convert): Do not call fold on results of conversion
6047         functions when the result is a C_MAYBE_CONST_EXPR.
6048         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6049         of __builtin_choose_expr.
6050         * c-typeck.c (remove_c_maybe_const_expr): New.
6051         (build_unary_op, build_conditional_expr, build_compound_expr,
6052         build_binary_op, c_objc_common_truthvalue_conversion): Call
6053         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6054         integer operands.
6055
6056 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6057
6058         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6059         CODE to produce a new one. Add a prototype to use fold_convert_const
6060
6061 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6062
6063         PR bootstrap/39660
6064         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6065         mix declarations and code.
6066
6067 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6068
6069         * gcc.c: Replace `CC' with `GCC' throughout.
6070
6071 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6072
6073         * doc/invoke.texi: Document Atom support.
6074
6075 2009-04-07  Jason Merrill  <jason@redhat.com>
6076
6077         PR c++/25185
6078         * c-common.h, c-common.c: Add flag_pretty_templates.
6079         * c-opts.c (c_common_handle_option): Set it.
6080         * c.opt: Add -fno-pretty-templates.
6081         * doc/invoke.texi (C++ Dialect Options): Likewise.
6082
6083 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6084
6085         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6086         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6087         (ia64_expand_builtin): Likewise.
6088
6089 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6090
6091         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6092         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6093         ADDR_EXPRS are include too.
6094
6095 2009-04-07  Richard Guenther  <rguenther@suse.de>
6096
6097         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6098         decls are only used if passes as parameters or if they are
6099         local statics and the call is not to a builtin.
6100         (call_may_clobber_ref_p_1): Likewise.
6101
6102 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6103
6104         * expr.c (do_store_flag): Remove last argument.  Simplify code
6105         to avoid duplication of tests already done by can_compare_p.
6106         (expand_expr_real_1): Adjust caller.
6107
6108 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6109
6110         * optabs.c (can_compare_p): Test the predicate of a
6111         cbranch and cstore pattern.
6112
6113 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6114
6115         * expr.c (convert_move): Use emit_store_flag instead of
6116         "emulating" it.
6117
6118 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6119
6120         * config/i386/i386.c (ix86_compare_emitted): Remove.
6121         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6122         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6123         * config/i386/i386.h (ix86_compare_emitted): Remove.
6124         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6125         instead of ix86_compare_emitted.
6126         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6127
6128 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6129
6130         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6131         Add t-sysroot-suffix to tmake_file.
6132         * config/print-sysroot-suffix.sh: New file.
6133         * config/t-sysroot-suffix: New file.
6134
6135 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6136
6137         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6138         as the latter produces a warning when the target does not support
6139         infinity.
6140
6141 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6142
6143         * dfp.c: Replace type punning assignments with memcpy throughout.
6144         * Makefile.in (dfp.o-warn): Remove.
6145
6146 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6147
6148         PR target/39634
6149         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6150         Include soft-fp/t-softfp after rs6000/t-linux64.
6151
6152 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6153
6154         * stor-layout.c (set_sizetype): Use the full precision of their
6155         machine mode for bitsize types.
6156
6157 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6158
6159         * config/i386/i386.md: Revert 2 accidental checkins.
6160
6161 2009-04-06  Joey Ye  <joey.ye@intel.com>
6162             Xuepeng Guo  <xuepeng.guo@intel.com>
6163             H.J. Lu  <hongjiu.lu@intel.com>
6164
6165         Atom pipeline model, tuning and insn selection.
6166         * config.gcc (atom): Add atom config options and target.
6167
6168         * config/i386/atom.md: New.
6169
6170         * config/i386/i386.c (atom_cost): New cost.
6171         (m_ATOM): New macro flag.
6172         (initial_ix86_tune_features): Set m_ATOM.
6173         (x86_accumulate_outgoing_args): Likewise.
6174         (x86_arch_always_fancy_math_387): Likewise.
6175         (processor_target): Add Atom cost.
6176         (cpu_names): Add Atom cpu name.
6177         (override_options): Set Atom ISA.
6178         (ix86_issue_rate): New case PROCESSOR_ATOM.
6179         (ix86_adjust_cost): Likewise.
6180
6181         * config/i386/i386.h (TARGET_ATOM): New target macro.
6182         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6183         (TARGET_OPT_AGU): New target option.
6184         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6185         (processor_type): Add PROCESSOR_ATOM.
6186
6187         * config/i386/i386.md (cpu): Add new value "atom".
6188         (use_carry, movu): New attr.
6189         (atom.md): Include atom.md.
6190         (adddi3_carry_rex64): Set attr "use_carry".
6191         (addqi3_carry): Likewise.
6192         (addhi3_carry): Likewise.
6193         (addsi3_carry): Likewise.
6194         (*addsi3_carry_zext): Likewise.
6195         (subdi3_carry_rex64): Likewise.
6196         (subqi3_carry): Likewise.
6197         (subhi3_carry): Likewise.
6198         (subsi3_carry): Likewise.
6199         (x86_movdicc_0_m1_rex64): Likewise.
6200         (*x86_movdicc_0_m1_se): Likewise.
6201         (x86_movsicc_0_m1): Likewise.
6202         (*x86_movsicc_0_m1_se): Likewise.
6203         (*adddi_1_rex64): Emit add insn as much as possible.
6204         (*addsi_1): Likewise.
6205         (return_internal): Set atom_unit.
6206         (return_internal_long): Likewise.
6207         (return_pop_internal): Likewise.
6208         (*rcpsf2_sse): Set atom_sse_attr attr.
6209         (*qrt<mode>2_sse): Likewise.
6210         (*prefetch_sse): Likewise.
6211
6212         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6213         PROCESSOR_ATOM.
6214         (ix86_target_macros_internal): Likewise.
6215
6216         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6217         (*prefetch_sse_rex): Likewise.
6218         (sse_rcpv4sf2): Likewise.
6219         (sse_vmrcpv4sf2): Likewise.
6220         (sse_sqrtv4sf2): Likewise.
6221         (<sse>_vmsqrt<mode>2): Likewise.
6222         (sse_ldmxcsr): Likewise.
6223         (sse_stmxcsr): Likewise.
6224         (*sse_sfence): Likewise.
6225         (sse2_clflush): Likewise.
6226         (*sse2_mfence): Likewise.
6227         (*sse2_lfence): Likewise.
6228         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6229         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6230         (avx_movdqu<avxmodesuffix>): Likewise.
6231         (avx_lddqu<avxmodesuffix>): Likewise.
6232         (sse2_movntv2di): Change attr "type" to "ssemov".
6233         (sse2_movntsi): Likewise.
6234         (rsqrtv8sf2): Change attr "type" to "sseadd".
6235         (sse3_addsubv2df3): Set attr "atom_unit".
6236         (sse3_h<plusminus_insn>v4sf3): Likewise.
6237         (*sse2_pmaddwd): Likewise.
6238         (*vec_extractv2di_1_rex64): Likewise.
6239         (*vec_extractv2di_1_avx): Likewise.
6240         (sse2_psadbw): Likewise.
6241         (ssse3_phaddwv8hi3): Likewise.
6242         (ssse3_phaddwv4hi3): Likewise.
6243         (ssse3_phadddv4si3): Likewise.
6244         (ssse3_phadddv2si3): Likewise.
6245         (ssse3_phaddswv8hi3): Likewise.
6246         (ssse3_phaddswv4hi3): Likewise.
6247         (ssse3_phsubwv8hi3): Likewise.
6248         (ssse3_phsubwv4hi3): Likewise.
6249         (ssse3_phsubdv4si3): Likewise.
6250         (ssse3_phsubdv2si3): Likewise.
6251         (ssse3_phsubswv8hi3): Likewise.
6252         (ssse3_phsubswv4hi3): Likewise.
6253         (ssse3_pmaddubsw128): Likewise.
6254         (sse3_pmaddubsw: Likewise.
6255         (ssse3_palignrti): Likewise.
6256         (ssse3_palignrdi): Likewise.
6257
6258 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6259
6260         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6261
6262 2009-04-06  Richard Guenther  <rguenther@suse.de>
6263
6264         PR tree-optimization/28868
6265         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6266         of which PHI results we inserted.
6267         (insert_into_preds_of_block): Record inserted PHIs.
6268         (eliminate): Eliminate redundant PHI nodes.
6269         (init_pre): Init inserted_phi_names.
6270
6271 2009-04-06  Richard Guenther  <rguenther@suse.de>
6272
6273         PR tree-optimization/39643
6274         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6275         IMAGPART_EXPRs of complex constants.
6276         (execute_fold_all_builtins): If we folded a call queue
6277         TODO_update_address_taken.
6278
6279 2009-04-06  Jan Hubicka  <jh@suse.cz>
6280
6281         PR middle-end/39659
6282         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6283         flag.
6284
6285 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6286
6287         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6288         delay slot.
6289         (ic_invalidate_array): Likewise.
6290
6291 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6292
6293         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6294         alignment for library calls.
6295
6296 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6297
6298         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6299         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6300         * config/i386/mingw-stdint.h:  New file.
6301
6302 2009-04-05  Richard Guenther  <rguenther@suse.de>
6303
6304         PR tree-optimization/39648
6305         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6306         our &A vs. &A[0] IL deficiencies.
6307
6308 2009-04-04  Jan Hubicka  <jh@suse.cz>
6309
6310         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6311         removed toplevel regions.
6312         (sjlj_mark_call_sites): Likewise.
6313
6314 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6315
6316         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6317         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6318         * config/i386/cygwin-stdint.h:  New file.
6319
6320 2009-04-04  Richard Guenther  <rguenther@suse.de>
6321
6322         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6323         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6324         single-argument PHIs if we are in loop-closed SSA form.
6325         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6326         for the pre-condition.
6327         (slpeel_tree_peel_loop_to_edge): Likewise.
6328         (vect_build_loop_niters): Take an optional sequence to append stmts.
6329         (vect_generate_tmps_on_preheader): Likewise.
6330         (vect_do_peeling_for_loop_bound): Take extra guards for the
6331         pre-condition.
6332         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6333         the cost model check.
6334         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6335         guards if we are going to peel.  Do not apply versioning in that case.
6336         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6337         (vect_do_peeling_for_loop_bound): Likewise.
6338         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6339         loop bound only record extra pre-conditions, do not apply loop
6340         versioning.
6341
6342 2009-04-04  Richard Guenther  <rguenther@suse.de>
6343
6344         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6345         renaming code.
6346
6347 2009-04-04  Jan Hubicka  <jh@suse.cz>
6348
6349         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6350         last_basic_block for size of bb->index indexed array.
6351         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6352         compute_out, link_btr_uses, build_btr_def_use_webs,
6353         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6354
6355 2009-04-04  Jan Hubicka  <jh@suse.cz>
6356
6357         * except.c (remove_eh_handler_and_replace): Break out from ...
6358         (remove_eh_handler): ... here.
6359         (bring_to_root): New function.
6360         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6361         handled ones, bring others to root of tree.
6362
6363 2009-04-04  Jan Hubicka  <jh@suse.cz>
6364
6365         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6366         (all_phis_safe_to_merge): New function.
6367         (update_info): New structure.
6368         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6369         (cleanup_empty_eh): Update SSA if possible.
6370
6371 2009-04-04  Richard Guenther  <rguenther@suse.de>
6372
6373         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6374         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6375         (append_vuse): Likewise.
6376
6377 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6378
6379         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6380         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6381         instead of REG_UNSAVED for DW_CFA_undefined.
6382         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6383         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6384         outermost frame.
6385
6386 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6387
6388         PR target/39501
6389         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6390         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6391         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6392
6393 2009-04-04  Richard Guenther  <rguenther@suse.de>
6394
6395         PR tree-optimization/8781
6396         PR tree-optimization/37892
6397         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6398         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6399         (valueize_refs): Call it for *& valueizations.
6400         (shared_reference_ops_from_ref): Rename to ...
6401         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6402         (shared_reference_ops_from_call): Rename to ...
6403         (valueize_shared_reference_ops_from_call): ... this and valueize.
6404         (vn_reference_lookup): Update.
6405         (visit_reference_op_call): Likewise.
6406         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6407         (eliminate): Value-replace the call address in call statements.
6408
6409 2009-04-04  Richard Guenther  <rguenther@suse.de>
6410
6411         PR tree-optimization/39636
6412         * tree-ssa-forwprop.c
6413         (forward_propagate_addr_into_variable_array_index): Check for
6414         GIMPLE_ASSIGN before accessing the rhs code.
6415
6416 2009-04-03  Jason Merrill  <jason@redhat.com>
6417
6418         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6419
6420 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6421
6422         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6423         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6424         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6425         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6426         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6427         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6428         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6429         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6430         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6431         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6432         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6433         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6434         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6435         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6436         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6437         Use fr_reg_or_fp01_operand instead of fr_register_operand
6438
6439         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6440         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6441         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6442
6443 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6444
6445         PR rtl-optimization/39607
6446         PR rtl-optimization/39631
6447
6448         Revert:
6449
6450         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6451         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6452         instead of DF_LR_OUT.
6453         * ira-lives.c (process_bb_node_lives): Ditto.
6454         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6455         instead of DF_LR_{OUT,IN}.
6456         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6457         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6458
6459 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6460
6461         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6462         (execute_lower_omp): Always run but take the short way out if -fopenmp
6463         is not given.
6464         (gate_lower_omp): Remove, forcing the pass manager to always run the
6465         pass and always set PROP_gimple_lomp.
6466         (pass_lower_omp): Remove gate function.
6467         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6468         PROP_trees.  Instead, require it.
6469         * ipa-cp.c (pass_ipa_cp): Likewise.
6470         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6471         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6472         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6473         and PROP_gimple_leh.
6474
6475 2009-04-03  Richard Guenther  <rguenther@suse.de>
6476
6477         PR middle-end/13146
6478         PR tree-optimization/23940
6479         PR tree-optimization/33237
6480         PR middle-end/33974
6481         PR middle-end/34093
6482         PR tree-optimization/36201
6483         PR tree-optimization/36230
6484         PR tree-optimization/38049
6485         PR tree-optimization/38207
6486         PR tree-optimization/38230
6487         PR tree-optimization/38301
6488         PR tree-optimization/38585
6489         PR middle-end/38895
6490         PR tree-optimization/38985
6491         PR tree-optimization/39299
6492         * tree-ssa-structalias.h: Remove.
6493         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6494         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6495         (struct vuse_element_d): Remove.
6496         (struct vuse_vec_d): Likewise.
6497         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6498         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6499         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6500         VUSE_ELEMENT_VAR): Likewise.
6501         (struct voptype_d): Likewise.
6502         (NUM_VOP_FREE_BUCKETS): Likewise.
6503         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6504         (struct stmt_operands_d): Remove.
6505         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6506         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6507         VDEF_NUM, VDEF_VECT): Likewise.
6508         (copy_virtual_operands): Remove.
6509         (operand_build_cmp): Likewise.
6510         (create_ssa_artificial_load_stmt): Likewise.
6511         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6512         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6513         vuse_index and mayuse_index members.  Pack and move done and iter_type
6514         members to the front.
6515         (SSA_OP_VMAYUSE): Remove.
6516         (SSA_OP_VIRTUAL_USES): Adjust.
6517         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6518         (unlink_stmt_vdef): Declare.
6519         (add_to_addressable_set): Remove.
6520         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6521         (vrp_visit_stmt): Likewise.
6522         * doc/tree-ssa.texi (Alias analysis): Update.
6523         * doc/invoke.texi (max-aliased-vops): Remove docs.
6524         (avg-aliased-vops): Likewise.
6525         * tree-into-ssa.c (syms_to_rename): Remove.
6526         (need_to_update_vops_p): Likewise.
6527         (need_to_initialize_update_ssa_p): Rename to ...
6528         (update_ssa_initialized_fn): ... this.  Track function we are
6529         initialized for.
6530         (symbol_marked_for_renaming): Simplify.
6531         (add_new_name_mapping): Do not set need_to_update_vops_p.
6532         (dump_currdefs): Use SYMS_TO_RENAME.
6533         (rewrite_update_stmt): Always walk all uses/defs.
6534         (dump_update_ssa): Adjust.
6535         (init_update_ssa): Take function argument.  Track what we are
6536         initialized for.
6537         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6538         (create_new_def_for): Initialize for cfun, assert we are initialized
6539         for cfun.
6540         (mark_sym_for_renaming): Simplify.
6541         (mark_set_for_renaming): Do not initialize update-ssa.
6542         (need_ssa_update_p): Simplify.  Take function argument.
6543         (name_mappings_registered_p): Assert we ask for the correct function.
6544         (name_registered_for_update_p): Likewise.
6545         (ssa_names_to_replace): Likewise.
6546         (release_ssa_name_after_update_ssa): Likewise.
6547         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6548         (dump_decl_set): Do not print a newline.
6549         (debug_decl_set): Do it here.
6550         (dump_update_ssa): And here.
6551         * tree-ssa-loop-im.c (move_computations): Adjust.
6552         (movement_possibility): Likewise.
6553         (determine_max_movement): Likewise.
6554         (gather_mem_refs_stmt): Likewise.
6555         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6556         or NAME_MEMORY_TAG.
6557         * tree-complex.c (update_all_vops): Remove.
6558         (expand_complex_move): Adjust.
6559         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6560         Simplify test for memory referencing statement.  Exclude
6561         non-invariant ADDR_EXPRs.
6562         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6563         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6564         (rdg_flag_uses): Likewise.
6565         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6566         related code.
6567         (tree_optimize_tail_calls_1): Also split the
6568         edge from the entry block if we have degenerate PHI nodes in
6569         the first basic block.
6570         * tree.c (init_ttree): Remove memory-tag related code.
6571         (tree_code_size): Likewise.
6572         (tree_node_structure): Likewise.
6573         (build7_stat): Re-write to be build6_stat.
6574         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6575         (SSA_VAR_P): Adjust.
6576         (struct tree_memory_tag): Remove.
6577         (struct tree_memory_partition_tag): Likewise.
6578         (union tree_node): Adjust.
6579         (build7): Re-write to be build6.
6580         * tree-pass.h (pass_reset_cc_flags): Remove.
6581         (TODO_update_address_taken): New flag.
6582         (pass_simple_dse): Remove.
6583         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6584         * params.h (MAX_ALIASED_VOPS): Remove.
6585         (AVG_ALIASED_VOPS): Likewise.
6586         * omp-low.c (expand_omp_taskreg): Update SSA form.
6587         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6588         aliases the lhs in a copy stmt.
6589         * tree-ssa-dse.c (struct address_walk_data): Remove.
6590         (memory_ssa_name_same): Likewise.
6591         (memory_address_same): Likewise.
6592         (get_kill_of_stmt_lhs): Likewise.
6593         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6594         unused stores.  Look through PHI nodes into post-dominated regions.
6595         (dse_optimize_stmt): Simplify.  Properly remove stores.
6596         (tree_ssa_dse): Compute dominators.
6597         (execute_simple_dse): Remove.
6598         (pass_simple_dse): Likewise.
6599         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6600         gimple_loaded_syms and gimple_stored_syms computation.
6601         * toplev.c (dump_memory_report): Dump alias and pta stats.
6602         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6603         (vn_reference_eq): Likewise.
6604         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6605         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6606         valueize_vuses): Remove.
6607         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6608         (get_def_ref_stmt_vuse): ... this.
6609         (vn_reference_lookup_2): New function.
6610         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6611         walking equivalent vuses.  Simplify.
6612         (vn_reference_lookup): Likewise.
6613         (vn_reference_insert): Likewise.
6614         (vn_reference_insert_pieces): Likewise.
6615         (visit_reference_op_call): Simplify.
6616         (visit_reference_op_load): Likewise.
6617         (visit_reference_op_store): Likewise.
6618         (init_scc_vn): Remove shared_lookup_vuses initialization.
6619         (free_scc_vn): Remove shared_lookup_vuses freeing.
6620         (sort_vuses, sort_vuses_heap): Remove.
6621         (get_ref_from_reference_ops): Export.
6622         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6623         vector with single vuse pointer.
6624         (vn_reference_lookup_pieces, vn_reference_lookup,
6625         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6626         (shared_vuses_from_stmt): Remove.
6627         (get_ref_from_reference_ops): Declare.
6628         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6629         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6630         memory-tag related code.
6631         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6632         (likely_value): Add comment, skip static-chain of call statements.
6633         (surely_varying_stmt_p): Adjust.
6634         (gimplify_and_update_call_from_tree): Likewise.
6635         (execute_fold_all_builtins): Do not rebuild alias info.
6636         (gimplify_and_update_call_from_tree): Properly update VOPs.
6637         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6638         (copy_ref_info): Remove memory-tag related code.
6639         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6640         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6641         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6642         computation.
6643         * tree-ssa-dom.c (gimple_p): Remove typedef.
6644         (eliminate_redundant_computations): Adjust.
6645         (record_equivalences_from_stmt): Likewise.
6646         (avail_expr_hash): Likewise.
6647         (avail_expr_eq): Likewise.
6648         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6649         (stmt_makes_single_load): Likewise.
6650         (stmt_makes_single_store): Likewise.
6651         * tree-ssa-alias.c: Rewrite completely.
6652         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6653         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6654         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6655         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6656         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6657         Remove public functions.
6658         (pass_reset_cc_flags): Remove.
6659         (pass_build_alias): Move ...
6660         * tree-ssa-structalias.c (pass_build_alias): ... here.
6661         * tree-ssa-alias.c (may_be_aliased): Move ...
6662         * tree-flow-inline.h (may_be_aliased): ... here.
6663         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6664         count_uses_and_derefs): Move ...
6665         * gimple.c: ... here.
6666         * gimple.h (count_uses_and_derefs): Declare.
6667         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6668         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6669         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6670         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6671         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6672         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6673         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6674         New functions.
6675         * tree-dfa.c (refs_may_alias_p): Move ...
6676         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6677         * tree-ssa-alias.h: New file.
6678         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6679         (statement_sink_location): Likewise.
6680         * opts.c (decode_options): Do not adjust max-aliased-vops or
6681         avg-aliased-vops values.
6682         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6683         (TV_CALL_CLOBBER): Likewise.
6684         (TV_FLOW_SENSITIVE): Likewise.
6685         (TV_FLOW_INSENSITIVE): Likewise.
6686         (TV_MEMORY_PARTITIONING): Likewise.
6687         (TV_ALIAS_STMT_WALK): New timevar.
6688         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6689         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6690         (get_address_description): Remove memory-tag related code.
6691         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6692         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6693         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6694         and immediate uses in statements.  Document.
6695         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6696         (dump_symbols): Remove.
6697         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6698         * alias.c (get_deref_alias_set): New function split out from ...
6699         (get_alias_set): ... here.
6700         * alias.h (get_deref_alias_set): Declare.
6701         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6702         type parameter.  Remove restrict pointer handling.  Create a
6703         ref-all pointer in case type-based alias sets do not conflict.
6704         (vect_analyze_data_refs): Remove SMT related code.
6705         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6706         (vectorizable_load): Likewise.
6707         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6708         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6709         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6710         Ignore vops and SMTs.
6711         (dr_analyze_alias): Likewise..
6712         (free_data_ref): Likewise.
6713         (create_data_ref): Likewise.
6714         (analyze_all_data_dependences): Likewise.
6715         (get_references_in_stmt): Adjust.
6716         * tree-flow-inline.h (gimple_aliases_computed_p,
6717         gimple_addressable_vars, gimple_call_clobbered_vars,
6718         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6719         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6720         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6721         gimple_mem_ref_stats): Remove.
6722         (gimple_vop): New function.
6723         (op_iter_next_use): Remove vuses and mayuses cases.
6724         (op_iter_next_def): Remove vdefs case.
6725         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6726         (clear_and_done_ssa_iter): Do not set removed fields.
6727         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6728         Assert we are not iterating over vuses or vdefs if not also
6729         iterating over uses or defs.
6730         (op_iter_init_use): Likewise.
6731         (op_iter_init_def): Likewise.
6732         (op_iter_next_vdef): Remove.
6733         (op_iter_next_mustdef): Likewise.
6734         (op_iter_init_vdef): Likewise.
6735         (compare_ssa_operands_equal): Likewise.
6736         (link_use_stmts_after): Handle vuse operand.
6737         (is_call_used): Use is_call_clobbered.
6738         (is_call_clobbered): Global variables are always call clobbered,
6739         query the call-clobbers bitmap.
6740         (mark_call_clobbered): Ignore global variables.
6741         (clear_call_clobbered): Likewise.
6742         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6743         virtual operands sanity check.
6744         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6745         Remove.
6746         (TARGET_MEM_REF): Remove TMR_TAG operand.
6747         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6748         Remove call-clobber related code.
6749         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6750         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6751         partitions or escape reason.
6752         (get_single_def_stmt, get_single_def_stmt_from_phi,
6753         get_single_def_stmt_with_phi): Remove.
6754         (dump_referenced_vars): Tidy.
6755         (get_ref_base_and_extent): Allow bare decls.
6756         (collect_dfa_stats): Adjust.
6757         * graphite.c (rename_variables_in_stmt): Adjust.
6758         (graphite_copy_stmts_from_block): Likewise.
6759         (translate_clast): Likewise.
6760         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6761         (EXPR_DIES): New.
6762         (translate_vuse_through_block): Use the oracle.
6763         (phi_translate_1): Adjust.
6764         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6765         in EXPR_DIES.
6766         (valid_in_sets): Check if the VUSE for
6767         a REFERENCE is available.
6768         (eliminate): Do not remove stmts during elimination,
6769         instead queue and remove them afterwards.
6770         (do_pre): Do not rebuild alias info.
6771         (pass_pre): Run TODO_rebuild_alias before PRE.
6772         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6773         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6774         (mark_all_v_defs_stmt): Remove.
6775         (mark_all_v_defs_seq): Adjust.
6776         (sra_replace): Likewise.
6777         (scalarize_use): Likewise.
6778         (scalarize_copy): Likewise.
6779         (scalarize_init): Likewise.
6780         (scalarize_ldst): Likewise.
6781         (todoflags): Remove.
6782         (tree_sra): Do not rebuild alias info.
6783         (tree_sra_early): Adjust.
6784         (pass_sra): Run TODO_update_address_taken before SRA.
6785         * tree-predcom.c (set_alias_info): Remove.
6786         (prepare_initializers_chain): Do not call it.
6787         (mark_virtual_ops_for_renaming): Adjust.
6788         (mark_virtual_ops_for_renaming_list): Remove.
6789         (initialize_root_vars): Adjust.
6790         (initialize_root_vars_lm): Likewise.
6791         (prepare_initializers_chain): Likewise.
6792         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6793         (may_propagate_copy_into_stmt): Likewise.
6794         (merge_alias_info): Do nothing for now.
6795         (propagate_tree_value_into_stmt): Adjust.
6796         (stmt_may_generate_copy): Likewise.
6797         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6798         not mark symbols for renaming.
6799         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6800         with the same statement, make sure to update the new pointed-to one.
6801         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6802         call statements, do not mark symbols for renaming.
6803         (mark_operand_necessary): Dump something.
6804         (ref_may_be_aliased): New function.
6805         (mark_aliased_reaching_defs_necessary_1): New helper function.
6806         (mark_aliased_reaching_defs_necessary): Likewise.
6807         (mark_all_reaching_defs_necessary_1): Likewise.
6808         (mark_all_reaching_defs_necessary): Likewise.
6809         (propagate_necessity): Do not process virtual PHIs.  For
6810         non-aliased loads mark all reaching definitions as necessary.
6811         For aliased loads and stores mark the immediate dominating
6812         aliased clobbers as necessary.
6813         (visited): New global static.
6814         (perform_tree_ssa_dce): Free visited bitmap after propagating
6815         necessity.
6816         (remove_dead_phis): Perform simple dead virtual PHI removal.
6817         (remove_dead_stmt): Properly unlink virtual operands when
6818         removing stores.
6819         (eliminate_unnecessary_stmts): Schedule PHI removal after
6820         stmt removal.
6821         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6822         (process_replaceable): Likewise.
6823         (find_replaceable_in_bb): Likewise.
6824         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6825         based on the single gimple vop.
6826         (verify_flow_insensitive_alias_info): Remove.
6827         (verify_flow_sensitive_alias_info): Likewise.
6828         (verify_call_clobbering): Likewise.
6829         (verify_memory_partitions): Likewise.
6830         (verify_alias_info): Likewise.
6831         (verify_ssa): Adjust..
6832         (execute_update_addresses_taken): Export.  Update SSA
6833         manually.  Optimize only when optimizing.  Use a local bitmap.
6834         (pass_update_address_taken): Remove TODO_update_ssa, add
6835         TODO_dump_func.
6836         (pass_update_address_taken): Just use TODO_update_address_taken.
6837         (init_tree_ssa): Do not initialize addressable_vars.
6838         (verify_ssa): Verify new VUSE / VDEF properties.
6839         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6840         Do not call verify_alias_info.
6841         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6842         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6843         and callused solutions.  Do not free addressable_vars.
6844         Remove memory-tag related code.
6845         (warn_uninitialized_var): Aliases are always available.
6846         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6847         * lambda-code.c (can_put_in_inner_loop): Adjust.
6848         (can_put_after_inner_loop): Likewise.
6849         (perfect_nestify): Likewise.
6850         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6851         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6852         (vectorizable_conversion): Do not mark symbols for renaming.
6853         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6854         (expand_call_inline): Unlink the calls virtual operands before
6855         replacing it.
6856         (tree_function_versioning): Do not call update_ssa if we are not
6857         updating clones.  Simplify.
6858         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6859         (propagate_with_phi): Likewise..
6860         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6861         clobber code.  Assert we are not aliased or global.
6862         * tree-flow.h: Include tree-ssa-alias.h
6863         (enum escape_type): Remove.
6864         (struct mem_sym_stats_d): Likewise.
6865         (struct mem_ref_stats_d): Likewise.
6866         (struct gimple_df): Add vop member.  Remove global_var,
6867         call_clobbered_vars, call_used_vars, addressable_vars,
6868         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6869         escaped and callused members.
6870         (struct ptr_info_def): Remove all members, add points-to solution
6871         member pt.
6872         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6873         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6874         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6875         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6876         (tree-ssa-alias.o): Likewise.
6877         (toplev.o): Add tree-ssa-alias.h
6878         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6879         * gimple.c (gimple_set_bb): Fix off-by-one error.
6880         (is_gimple_reg): Do not handle memory tags.
6881         (gimple_copy): Also copy virtual operands.
6882         Delay updating the statement.  Do not reset loaded and stored syms.
6883         (gimple_set_stored_syms): Remove.
6884         (gimple_set_loaded_syms): Likewise.
6885         (gimple_call_copy_skip_args): Copy the virtual operands
6886         and mark the new statement modified.
6887         * tree-ssa-structalias.c (may_alias_p): Remove.
6888         (set_uids_in_ptset): Take the alias set to prune with as
6889         parameter.  Fold in the alias test of may_alias_p.
6890         (compute_points_to_sets): Compute whether a ptr is dereferenced
6891         in a local sbitmap.
6892         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6893         other ADDRESSOF constraints on the lhs.
6894         (get_constraint_for_component_ref): Assert that we don't get
6895         ADDRESSOF constraints from the base of the reference.
6896         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6897         (struct variable_info): Remove collapsed_to member.
6898         (get_varinfo_fc): Remove.
6899         (new_var_info): Do not set collapsed_to.
6900         (dump_constraint): Do not follow cycles.
6901         (dump_constraint_graph): Likewise.
6902         (build_pred_graph): Likewise.
6903         (build_succ_graph): Likewise.
6904         (rewrite_constraints): Likewise.
6905         (do_simple_structure_copy): Remove.
6906         (do_rhs_deref_structure_copy): Remove.
6907         (do_lhs_deref_structure_copy): Remove.
6908         (collapse_rest_of_var): Remove.
6909         (do_structure_copy): Re-implement.
6910         (pta_stats): New global variable.
6911         (dump_pta_stats): New function.
6912         (struct constraint_expr): Make offset signed.
6913         (UNKNOWN_OFFSET): Define special value.
6914         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6915         (solution_set_expand): New helper function split out from ...
6916         (do_sd_constraint): ... here.
6917         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6918         (do_ds_constraint): Likewise.
6919         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6920         and CALLUSED = *CALLUSED.
6921         (set_union_with_increment): Make inc argument signed.
6922         (type_safe): Remove.
6923         (get_constraint_for_ptr_offset): Handle unknown and negative
6924         constant offsets.
6925         (first_vi_for_offset): Handle offsets before start.  Bail
6926         out early for offsets beyond the variable extent.
6927         (first_or_preceding_vi_for_offset): New function.
6928         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6929         Together with ESCAPED = *ESCAPED this properly computes reachability.
6930         (find_what_var_points_to): New function.
6931         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6932         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6933         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6934         pt_solutions_intersect): New functions.
6935         (compute_call_used_vars): Remove.
6936         (compute_may_aliases): New main entry into PTA computation.
6937         * gimple.h (gimple_p): New typedef.
6938         (struct gimple_statement_base): Remove references_memory_p.
6939         (struct gimple_statement_with_memory_ops_base): Remove
6940         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6941         members.
6942         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6943         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6944         gimple_set_references_memory): Remove.
6945         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6946         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6947         New functions.
6948         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6949         (verify_expr): Allow RESULT_DECL.
6950         (gimple_duplicate_bb): Do not copy virtual operands.
6951         (gimple_duplicate_sese_region): Adjust.
6952         (gimple_duplicate_sese_tail): Likewise.
6953         (mark_virtual_ops_in_region): Remove.
6954         (move_sese_region_to_fn): Do not call it.
6955         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6956         and pass_simple_dse.
6957         (execute_function_todo): Handle TODO_update_address_taken,
6958         call execute_update_addresses_taken for TODO_rebuild_alias.
6959         (execute_todo): Adjust.
6960         (execute_one_pass): Init dump files early.
6961         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6962         call-clobbered.
6963         (create_general_new_stmt): Clear vops.
6964         * tree-ssa-reassoc.c (get_rank): Adjust.
6965         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6966         symbols for renaming.
6967         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6968         (PARAM_AVG_ALIASED_VOPS): Likewise.
6969         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6970         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6971         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6972         (operand_build_cmp, copy_virtual_operands,
6973         create_ssa_artificial_load_stmt, add_to_addressable_set,
6974         gimple_add_to_addresses_taken): Remove public functions.
6975         (unlink_stmt_vdef): New function.
6976
6977 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6978
6979         * config.gcc (powerpc-*-linux*): Merge variants.
6980
6981 2009-04-02  Chao-ying Fu  <fu@mips.com>
6982             James Grosbach  <james.grosbach@microchip.com>
6983
6984         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6985         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6986         cop0_sp_offset.
6987         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6988         keep_interrupts_masked_p, use_debug_exception_return_p.
6989         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6990         keep_interrupts_masked, use_debug_exception_return.
6991         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6992         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6993         New functions.
6994         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6995         (mips_print_operand): Process COP0 registers to print $0 .. $31
6996         correctly for GAS to process.
6997         (mips_interrupt_extra_call_saved_reg_p): New function.
6998         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6999         extra registers.
7000         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7001         (mips_compute_frame_info): Add supports for interrupt context that
7002         includes doubleword accumulators and COP0 registers.
7003         (mips_for_each_saved_acc): New function.
7004         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7005         mips_for_each_saved_reg.
7006         (mips_save_reg): Save accumulators.
7007         (mips_kernel_reg_p): A new for_each_rtx callback.
7008         (mips_expand_prologue): Support interrupt handlers.
7009         (mips_restore_reg): Restore accumulators.
7010         (mips_expand_epilogue): Support interrupt handlers.
7011         (mips_can_use_return_insn): Return false for interrupt handlers.
7012         (mips_epilogue_uses): New function.
7013         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7014         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7015         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7016         cop0_move): New instructions.
7017         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7018         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7019         defines.
7020         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7021         New defines.
7022         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7023         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7024         interrupt handlers, we use K0 as the temporary register.
7025         (EPILOGUE_USES): Change to a function call.
7026         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7027         handlers, we use K0 as the temporary register.
7028
7029         * doc/extend.texi (Function Attributes): Document interrupt,
7030         use_shadow_register_set, keep_interrupts_masked,
7031         use_debug_exception_return for MIPS attributes.
7032
7033 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7034
7035         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7036         Remove a number of t-files from tmake_file.
7037         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7038         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7039         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7040         target_prototype, not TARGET_PROTOTYPE.
7041         (LINK_OS_GNU_SPEC): Define.
7042         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7043         and darwin-ldoubdle.c.
7044
7045 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7046
7047         PR driver/39293
7048         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7049         (cpp_options): Ditto.
7050         (default_compilers): Ditto.
7051         (display_help): Ditto.
7052         (process_command): Ditto.
7053         (do_spec_1): Ditto.
7054         (set_input): Use lbasename instead of duplicate code.
7055         (save_temps_prefix): New static for -save-temps=obj.
7056         (save_temps_length): Ditto.
7057
7058         * doc/invoke.texi (-save-temps=obj): Document new variant to
7059         -save-temps switch.
7060
7061 2009-04-02  Jeff Law  <law@redhat.com>
7062
7063         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7064         variable.
7065
7066 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7067
7068         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7069         * configure: Regenerated.
7070
7071 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7072
7073         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7074         share the argument list.
7075
7076 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7077
7078         Merge
7079
7080         2009-02-12  Diego Novillo  <dnovillo@google.com>
7081
7082         * varpool.c (debug_varpool): New.
7083         * cgraph.h (debug_varpool): Declare.
7084
7085 2009-04-02  Jan Hubicka  <jh@suse.cz>
7086
7087         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7088         pass.
7089
7090 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7091
7092         * config/i386/i386.c (ix86_abi): Move initialization to ...
7093         (override_options): Here.
7094
7095 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7096
7097         * config/sh/sh.c (sh_dwarf_register_span): New function.
7098         (TARGET_DWARF_REGISTER_SPAN): Define.
7099         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7100
7101 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7102
7103         PR tree-optimization/39595
7104         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7105         interleaved loads group is not  greater than the SLP group size.
7106
7107 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7108
7109         * builtins.c (is_builtin_name): New.
7110         (called_as_built_in): Use is_builtin_name.
7111         * tree.h (is_builtin_name): New.
7112         * varasm.c (incorporeal_function_p): Use is_builtin_name
7113
7114 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7115
7116         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7117
7118 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7119
7120         PR c++/26693
7121         * c-decl.c (clone_underlying_type): Move this ...
7122         * c-common.c (set_underlying_type): ... here.
7123         Also, make sure the function properly sets TYPE_STUB_DECL() on
7124         the newly created typedef variant type.
7125         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7126         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7127         points.
7128
7129 2009-04-02  Richard Guenther  <rguenther@suse.de>
7130
7131         PR tree-optimization/37221
7132         * tree-flow.h (degenerate_phi_result): Declare.
7133         * tree-ssa-dom.c (degenerate_phi_result): Export.
7134         * tree-scalar-evolution.c (analyze_initial_condition): If
7135         the initial condition is defined by a degenerate PHI node
7136         use the degenerate value.
7137
7138 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7139
7140         PR rtl-optimization/39588
7141         * combine.c (merge_outer_ops): Do not set the constant when this
7142         is not necessary.
7143         (simplify_shift_const_1): Do not modify it either in this case.
7144
7145 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7146
7147         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7148         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7149
7150 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7151
7152         PR c/29027
7153         * c-lex.c (interpret_float): Default (no suffix) is double.
7154
7155 2009-04-1  Xinliang David Li  <davidxl@google.com>
7156
7157         * config/i386/i386.c (legitimate_constant_p): Recognize
7158         all one vector constant.
7159
7160 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7161
7162         * config/vax/vax.c: Add #includes to silence warnings.
7163         Change #include order to silence two warnings.
7164
7165 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7166
7167         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7168         (ASM_SPEC): Pass -k to the assembler for PIC code.
7169
7170 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7171
7172         * config.gcc: Add vax-*-linux* to the switch.
7173         * config/vax/linux.h: New file. (TARGET_VERSION,
7174         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7175
7176 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7177
7178         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7179         Use predicate macros instead of GET_CODE() == foo.
7180         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7181         ashlsi3, rotrsi3, <unnamed>): Likewise.
7182
7183 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7184
7185         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7186         jbbccihi, jbbccisi): Remova trailing whitespace.
7187         * config/vax/constraints.md: Likewise.
7188         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7189         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7190         * config/vax/predicates.md: Likewise.
7191         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7192         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7193         * config/vax/vax.h: Likewise.
7194         * config/vax/vax.md (nonlocal_goto): Likewise.
7195
7196 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7197
7198         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7199         (indirectable_address_p, adjacent_operands_p): Add spaces around
7200         braces.
7201         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7202
7203 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7204
7205         * config/vax/vax.c (legitimate_constant_address_p,
7206         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7207         index_term_p, reg_plus_index_p, legitimate_address_p,
7208         vax_mode_dependent_address_p): Update comments to match functions
7209         modified by the recent int->bool conversion.
7210
7211 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7212
7213         * config/vax/builtins.md: Update copyright message.
7214         * config/vax/constraints.md: Likewise.
7215         * config/vax/netbsd-elf.h: Likewise.
7216         * config/vax/predicates.md: Likewise.
7217         * config/vax/vax-protos.h: Likewise.
7218         * config/vax/vax.c: Likewise.
7219         * config/vax/vax.h: Likewise.
7220         * config/vax/vax.md: Likewise.
7221         * config/vax/vax.opt: Likewise.
7222
7223 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7224
7225         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7226         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7227         * config/vax/constraints.md (B, R): Likewise.
7228         * config/vax/predicates.md (external_memory_operand,
7229         nonimmediate_addsub_di_operand): Likewise.
7230         * config/vax/vax.c (vax_output_int_add): Likewise.
7231         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7232         untyped_call): Likewise.
7233
7234 2009-04-01  Matt Thomas  <matt@3am-software.com>
7235
7236         * config/vax/predicates.md: New file.
7237         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7238         external_const_operand, nonsymbolic_operand, external_memory_operand,
7239         indirect_memory_operand, indexed_memory_operand,
7240         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7241         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7242         predicate.
7243         * config/vax/constraints.md: New file.
7244         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7245         New constraint.
7246         * config/vax/builtins.md: New file.
7247         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7248         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7249         jbbccisi): Define.
7250         * config/vax/vax.opt (mqmath): Add option.
7251         * config/vax/vax.md (isfx): Extend with DI.
7252         (VAXintQH, VAXintQHSD): Define.
7253         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7254         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7255         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7256         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7257         (movdi): Update constraints and use vax_output_int_move().
7258         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7259         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7260         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7261         nonlocal_goto): New.
7262         (mov<mode>): Extend accepted operand types.
7263         (subdi3_old): Rename from subdi3, change update constraints and use
7264         a new implementation.
7265         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7266         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7267         MOVE_RATIO, CLEAR_RATIO): Define.
7268         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7269         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7270         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7271         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7272         (split_quadword_operands): Make static and really allow variable
7273         splitting.
7274         (print_operand_address): Update for PIC generation.
7275         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7276         indexable_address_p, fixup_mathdi_operand,
7277         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7278         (vax_float_literal, legitimate_constant_p,
7279         indirectable_constant_address_p, index_term_p,
7280         reg_plus_index_p): Return bool instead of int.
7281         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7282         where needed.
7283         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7284         generation.
7285         (vax_output_conditional_branch): Indent.
7286         (legitimate_constant_address_p, indirectable_constant_address_p,
7287         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7288         vax_mode_dependent_address_p): Return bool instead of int, update for
7289         PIC generation.
7290         * config/vax/vax-protos.h (legitimate_constant_address_p,
7291         legitimate_constant_p, legitimate_address_p,
7292         vax_mode_dependent_address_p): Change declaration to bool.
7293         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7294         vax_expand_addsub_di_operands, vax_output_int_subtract,
7295         vax_output_movmemsi): Declare.
7296         (split_quadword_operands, vax_float_literal): Delete declaration.
7297         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7298         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7299         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7300         ASM_OUTPUT_DWARF_PCREL): Define.
7301         (ASM_SPEC): Change definition to allow PIC generation.
7302
7303 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7304
7305         * doc/sourcebuild.texi: Update front-end requirements.
7306
7307 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7308
7309         PR target/39226
7310         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7311         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7312         (booldi3_internal3): Use boolean_or_operator instead of
7313         boolean_operator.
7314
7315 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7316
7317         PR c/39605
7318         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7319         declarator whose size is not an integer constant expression but
7320         folds to an integer constant, then treat it as a constant
7321         subsequently.
7322
7323 2009-04-01  Richard Guenther  <rguenther@suse.de>
7324
7325         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7326         i * 4 + 2 to (i * 2 + 1) * 2.
7327
7328 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7329
7330         PR c/37772
7331         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7332         return if c_parser_asm_string_literal returned NULL.
7333
7334 2009-04-01  Nick Clifton  <nickc@redhat.com>
7335
7336         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7337         already defined.
7338         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7339         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7340         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7341         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7342         include it.
7343         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7344         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7345         then include it.
7346
7347 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * varasm.c (default_function_rodata_section): Declare DOT as
7350         const char*.
7351
7352 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7353             Andrey Galkin  <agalkin@hypercom.com>
7354
7355         PR/39492
7356         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7357         Make object_name unique for each process.
7358
7359 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7360
7361         PR other/39591
7362         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7363         addressable variables in the parallel that could go out of scope while
7364         running queued tasks.
7365
7366 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7367
7368         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7369         (CASE_VALUES_THRESHOLD): Redefine.
7370         * config/avr/avr.c (avr_override_options): Remove initialization of
7371         avr_case_values_threshold variable.
7372         (avr_case_values_threshold): Remove variable. Add new function.
7373         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7374         * config/avr/avr.opt (mno-tablejump): Remove option.
7375         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7376
7377 2009-04-01  DJ Delorie  <dj@redhat.com>
7378
7379         * varasm.c (default_function_rodata_section): Don't assume
7380         anything about where the first '.' in the section name is.
7381
7382 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7383
7384         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7385         rs6000_emit_stack_tie.
7386
7387 2009-03-31  Ian Lance Taylor  <iant@google.com>
7388
7389         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7390         gimple_code with GIMPLE_RESX, not RESX.
7391
7392 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7393
7394         * c-common.c (c_get_ident): New.
7395         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7396
7397 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7398
7399         * config/rs6000/sysv4.opt (msdata): Improve option description.
7400
7401 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7402
7403         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7404         (divdf3_internal_lat): Remove.
7405         (divxf3_internal_lat): Remove.
7406         (divxf3_internal_thr): Remove.
7407         (divxf): Use divxf3_internal.
7408         * config/ia64/div.md (divsf3_internal_lat): New.
7409         (divdf3_internal_lat): New.
7410         (divxf3_internal): New.
7411
7412 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7413
7414         PR c/448
7415         * Makefile.in (USE_GCC_STDINT): Define.
7416         (stmp-int-hdrs): Install stdint.h if applicable.
7417         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7418         if known.
7419         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7420         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7421         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7422         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7423         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7424         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7425         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7426         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7427         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7428         (c_common_nodes_and_builtins): Initialize
7429         underlying_wchar_type_node.  Do not initialize
7430         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7431         nodes for new types.
7432         (c_stddef_cpp_builtins): Define macros for new types.
7433         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7434         Remove.
7435         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7436         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7437         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7438         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7439         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7440         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7441         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7442         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7443         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7444         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7445         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7446         int16_type_node, int32_type_node, int64_type_node,
7447         uint8_type_node, uint16_type_node, c_uint32_type_node,
7448         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7449         int_least32_type_node, int_least64_type_node,
7450         uint_least8_type_node, uint_least16_type_node,
7451         uint_least32_type_node, uint_least64_type_node,
7452         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7453         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7454         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7455         uintptr_type_node): Define.
7456         * c-cppbuiltin.c (builtin_define_constants,
7457         builtin_define_type_minmax): New.
7458         (builtin_define_stdint_macros): Define more macros.
7459         (c_cpp_builtins): Define more limit macros.
7460         (type_suffix): New.
7461         (builtin_define_type_max): Define in terms of
7462         builtin_define_type_minmax.  Remove is_long parameter.  All
7463         callers changed.
7464         * config.gcc (use_gcc_stdint): Define.
7465         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7466         Add newlib-stdint.h for generic targets.
7467         * config/glibc-stdint.h, config/newlib-stdint.h,
7468         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7469         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7470         * config/score/score.h (UINTPTR_TYPE): Define.
7471         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7472         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7473         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7474         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7475         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7476         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7477         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7478         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7479         * config/spu/spu.h (STDINT_LONG32): Define.
7480         * configure.ac (use_gcc_stdint): Substitute.
7481         * configure: Regenerate.
7482         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7483         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7484         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7485         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7486         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7487         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7488         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7489         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7490         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7491         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7492         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7493         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7494         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7495         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7496         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7497         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7498         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7499         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7500         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7501         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7502         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7503         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7504         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7505         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7506         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7507         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7508         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7509         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7510         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7511
7512 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7513
7514         * loop-iv.c (suitable_set_for_replacement): Renamed from
7515         simplify_using_assignment; changed to return bool and to accept new
7516         args DEST and SRC.  Return true iff we find a source/destination pair
7517         that can be used to make a replacement, and fill SRC and DEST if so.
7518         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7519         changed.
7520         (simplify_using_initial_values): Deal with altered regs here and track
7521         more precisely the effect they have on the validity of our expression.
7522
7523         * loop-iv.c (simplify_using_condition): A condition of the form
7524         (EQ REG CONST) can be used to simply make a substitution.
7525         (simplify_using_initial_values): Keep track of conditions we have seen
7526         and keep using them to simplify new expressions, while applying the
7527         same substitutions to them as to the expression.
7528
7529         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7530         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7531         GEU/LTU reversed.
7532
7533         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7534         changed.  Use this when trying to improve the upper bound.
7535         Generate the comparison by using simplify_gen_relational.
7536
7537         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7538
7539         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7540         functions.
7541         (simplify_using_assignment, simplify_using_initial_values): Call
7542         replace_in_expr to make replacements.  Call replace_single_def_regs
7543         once on the initial version of the expression.
7544
7545 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7546
7547         PR target/27237
7548         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7549
7550 2009-03-31  Richard Guenther  <rguenther@suse.de>
7551
7552         PR middle-end/31029
7553         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7554         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7555
7556 2009-03-31  Richard Guenther  <rguenther@suse.de>
7557
7558         * tree.h (div_if_zero_remainder): Declare.
7559         * fold-const.c (div_if_zero_remainder): Export.
7560         * tree-ssa-forwprop.c
7561         (forward_propagate_addr_into_variable_array_index): Handle
7562         constant array index addition outside of the variable index.
7563
7564 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7565
7566         PR target/39592
7567         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7568         define_splits, floatunssi<mode>2): Require x87 conversions from
7569         DImode to be permitted.
7570
7571 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7572
7573         PR preprocessor/15638
7574         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7575
7576 2009-03-31  Richard Guenther  <rguenther@suse.de>
7577
7578         PR middle-end/23401
7579         PR middle-end/27810
7580         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7581         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7582         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7583         a separate statement.
7584         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7585         (lookup_tmp_var): Likewise.
7586         (is_gimple_formal_tmp_or_call_rhs): Remove.
7587         (is_gimple_reg_or_call_rhs): Rename to ...
7588         (is_gimple_reg_rhs_or_call): ... this.
7589         (is_gimple_mem_or_call_rhs): Rename to ...
7590         (is_gimple_mem_rhs_or_call): ... this.
7591         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7592         DECL_GIMPLE_REG_P only if is_formal is true.
7593         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7594         for non-proper post-modify expression gimplification.
7595         (gimplify_self_mod_expr): For post-modify expressions gimplify
7596         the lvalue to a minimal lvalue.
7597         (rhs_predicate_for): Remove formal temp case.
7598         (gimplify_modify_expr_rhs): Likewise.
7599         (gimplify_addr_expr): Use is_gimple_reg.
7600         (gimplify_expr): Remove formal temp cases.
7601         (gimple_regimplify_operands): Likewise.
7602         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7603         and FILTER_EXPR like constants.
7604         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7605         is_gimple_reg.
7606         (is_gimple_formal_tmp_rhs): Remove.
7607         (is_gimple_reg_rhs): Remove special casing.
7608         (is_gimple_mem_rhs): Fix.
7609         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7610         (is_gimple_formal_tmp_var): Remove.
7611         (is_gimple_formal_tmp_reg): Likewise.
7612         (is_gimple_min_lval): Allow invariant component ref parts.
7613         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7614         is_gimple_formal_tmp_reg): Remove declarations.
7615         * tree-cfg.c (verify_expr): Verify that variables with address
7616         taken do not have DECL_GIMPLE_REG_P set.
7617         * tree-mudflap.c (mf_build_check_statement_for): Use
7618         force_gimple_operand instead of gimplify_expr.
7619
7620 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7621
7622         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7623         schedulable rows to compute_split_row.
7624
7625 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7626
7627         PR target/31635
7628         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7629         OPT_mvrsave.
7630
7631 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7632
7633         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7634         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7635         * configure: Regenerate.
7636         * config.in: Regenerate.
7637         * config/rs6000/rs6000.opt (mtls-markers): Add.
7638         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7639         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7640         (tls_ld_aix, tls_ld_sysv): Likewise.
7641         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7642         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7643
7644 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7645
7646         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7647
7648 2009-03-30  Jan Hubicka  <jh@suse.cz>
7649
7650         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7651         out of RESX.
7652         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7653         detection and label handling.
7654
7655 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7656
7657         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7658         left_conflicts_size.
7659         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7660         ALLOCNO_LEFT_CONFLICTS_SIZE.
7661
7662         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7663         remove_allocno_from_bucket_and_push,
7664         allocno_spill_priority_compare, push_allocnos_to_stack,
7665         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7666         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7667         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7668         setup_allocno_left_conflicts_size.
7669         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7670         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7671         setup_allocno_left_conflicts_size instead of
7672         setup_allocno_left_conflicts_num.
7673
7674         * ira-build.c (ira_create_allocno): Use
7675         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7676         ALLOCNO_LEFT_CONFLICTS_NUM.
7677
7678 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7679
7680         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7681         instead of DF_LR_OUT.
7682
7683         * ira-lives.c (process_bb_node_lives): Ditto.
7684
7685         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7686         instead of DF_LR_{OUT,IN}.
7687
7688         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7689
7690         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7691
7692 2009-03-30  Jan Hubicka  <jh@suse.cz>
7693
7694         * except.c (label_to_region_map): Fix thinko.
7695
7696 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7697
7698         PR middle-end/38237
7699         * tree.h (tree_find_value): New declaration.
7700         * tree.c (tree_find_value): New function.
7701         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7702
7703 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7704
7705         PR debug/39563
7706         * c-decl.c (struct c_binding): Add locus field.
7707         (bind): Add locus argument, set locus field from it.
7708         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7709         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7710         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7711         implicitly_declare, undeclared_variable, lookup_label,
7712         declare_label, c_make_fname_decl, c_builtin_function,
7713         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7714         bind callers.
7715
7716 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7717
7718         PR target/38781
7719         * config/i386/i386.c (classify_argument): Check total size of
7720         structure.
7721
7722 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7723
7724         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7725         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7726         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7727         respectively.
7728
7729         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7730         seen_variable_array_ref while also traversing a union.
7731
7732         * tree-inline.c (optimize_inline_calls): Do not call
7733         cgraph_node_remove_callees.
7734         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7735         (pass_remove_cgraph_callee_edges): New variable.
7736         * passes.c (init_optimization_passes): Add
7737         pass_remove_cgraph_callee_edges after early inlining and before all
7738         late intraprocedural passes.
7739
7740         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7741
7742 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7743
7744         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7745         Fix typos in names.
7746
7747 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7748
7749         * combine.c (simplify_comparison): Use have_insn_for.
7750         * dojump.c (do_jump): Likewise.
7751
7752 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7753
7754         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7755         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7756         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7757         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7758         instead of sparc_compare_emitted.
7759         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7760         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7761         instead of sparc_compare_emitted.
7762
7763 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7764
7765         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7766         enter/exit cfglayout mode.
7767         (pass_partition_block): Require it.
7768         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7769         (combine_instructions): Track basic blocks instead of labels.
7770         (update_cfg_for_uncondjump): New.
7771         (try_combine): Use it.  Update jumps after rescanning.
7772         (pass_combine): Require PROP_cfglayout.
7773         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7774
7775 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7776
7777         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7778         Provide/destroy PROP_cfglayout respectively.
7779         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7780         * tree-pass.h (PROP_cfglayout): New.
7781
7782 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7783
7784         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7785         fold_convert_const_fixed_from_fixed,
7786         fold_convert_const_fixed_from_int,
7787         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7788         set TREE_CONSTANT_OVERFLOW.
7789         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7790         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7791
7792 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7793
7794         * tree-vect-loop-manip.c: New file.
7795         * tree-vectorizer.c: Update documentation and included files.
7796         (vect_loop_location): Make extern.
7797         (rename_use_op): Move to tree-vect-loop-manip.c
7798         (rename_variables_in_bb, rename_variables_in_loop,
7799         slpeel_update_phis_for_duplicate_loop,
7800         slpeel_update_phi_nodes_for_guard1,
7801         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7802         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7803         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7804         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7805         find_loop_location): Likewise.
7806         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7807         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7808         get_vectype_for_scalar_type, vect_is_simple_use,
7809         supportable_widening_operation, supportable_narrowing_operation):
7810         Likewise.
7811         (bb_in_loop_p): Move to tree-vect-loop.c.
7812         (new_loop_vec_info, destroy_loop_vec_info,
7813         reduction_code_for_scalar_code, report_vect_op,
7814         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7815         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7816         (vect_supportable_dr_alignment): Likewise.
7817         * tree-vectorizer.h (tree-data-ref.h): Include.
7818         (vect_loop_location): Declare.
7819         Reorganize function declarations according to the new file structure.
7820         * tree-vect-loop.c: New file.
7821         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7822         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7823         * tree-vect-data-refs.c: New file.
7824         * tree-vect-patterns.c (timevar.h): Don't include.
7825         * tree-vect-stmts.c: New file.
7826         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7827         tree-vect-slp.c, tree-vect-loop.c.
7828         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7829         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7830         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7831         (tree-vect-analyze.o): Remove.
7832         (tree-vect-transform.o): Likewise.
7833         (tree-vect-data-refs.o): Add rule.
7834         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7835         tree-vect-slp.o): Likewise.
7836         (tree-vect-patterns.o): Remove redundant dependencies.
7837         (tree-vectorizer.o): Likewise.
7838         * tree-vect-slp.c: New file.
7839
7840 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7841
7842         * optc-gen.awk: Warn if an option flag has multiple different
7843         help strings.
7844
7845 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7846
7847         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7848         -floop-block): Document dependences on PPL, CLooG and Graphite.
7849
7850 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7851
7852         PR rtl-optimization/323
7853         * c-common.c (c_fully_fold, convert_and_check,
7854         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7855         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7856         * c-common.def (EXCESS_PRECISION_EXPR): New.
7857         * c-cppbuiltin.c (builtin_define_float_constants): Define
7858         constants with enough digits for long double.
7859         * c-lex.c (interpret_float): Interpret constant with excess
7860         precision where appropriate.
7861         * c-opts.c (c_common_post_options): Set
7862         flag_excess_precision_cmdline.  Give an error for
7863         -fexcess-precision=standard for C++ for processors where the
7864         option is significant.
7865         * c-parser.c (c_parser_conditional_expression): Handle excess
7866         precision in condition.
7867         * c-typeck.c (convert_arguments): Handle arguments with excess
7868         precision.
7869         (build_unary_op): Move excess precision outside operation.
7870         (build_conditional_expr): Likewise.
7871         (build_compound_expr): Likewise.
7872         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7873         (build_modify_expr): Handle excess precision in RHS.
7874         (convert_for_assignment): Handle excess precision in converted
7875         value.
7876         (digest_init, output_init_element, process_init_element): Handle
7877         excess precision in initializer.
7878         (c_finish_return): Handle excess precision in return value.
7879         (build_binary_op): Handle excess precision in operands and add
7880         excess precision as needed for operation.
7881         * common.opt (-fexcess-precision=): New option.
7882         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7883         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7884         For standard excess precision, output explicit conversion to and
7885         truncation from XFmode.
7886         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7887         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7888         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7889         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7890         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7891         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7892         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7893         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7894         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7895         define_splits, sqrt<mode>2): Disable where appropriate for
7896         standard excess precision.
7897         * convert.c (convert_to_real): Do not shorten arithmetic to type
7898         for which excess precision would be used.
7899         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7900         * doc/invoke.texi (-fexcess-precision=): Document option.
7901         (-mfpmath=): Correct index entry.
7902         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7903         flag_excess_precision): New.
7904         * langhooks.c (lhd_post_options): Set
7905         flag_excess_precision_cmdline.
7906         * opts.c (common_handle_option): Handle -fexcess-precision=.
7907         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7908         init_excess_precision): New.
7909         (lang_dependent_init_target): Call init_excess_precision.
7910         * tree.c (excess_precision_type): New.
7911         * tree.h (excess_precision_type): Declare.
7912
7913 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7914
7915         PR c/35235
7916         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7917         non-lvalue to component.
7918
7919 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7920
7921         PR preprocessor/34695
7922         * Makefile.in (c-opts.o): Depend on c-tree.h.
7923         * c-common.c: Move down include of diagnostic.h.
7924         (done_lexing, c_cpp_error): New.
7925         * c-common.h (done_lexing): Declare.
7926         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7927         (parse_in).
7928         * c-opts.c: Include c-tree.h.
7929         (c_common_init_options): Set preprocessor error callback.
7930         (c_common_handle_option): Do not set preprocessor
7931         inhibit_warnings, warnings_are_errors, warn_system_headers,
7932         pedantic_errors or inhibit_warnings flags.
7933         (c_common_post_options): Do not check cpp_errors (parse_in).
7934         (c_common_finish): Do not output dependencies if there were
7935         errors.  Do not check return value of cpp_finish.
7936         * c-ppoutput.c (pp_file_change): Set input_location.
7937         * c-tree.h (c_cpp_error): Declare.
7938         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7939         override_column.
7940         (diagnostic_build_prefix): Check override_column.
7941         * diagnostic.h (diagnostic_info): Add override_column field.
7942         (diagnostic_override_column): Define.
7943
7944 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7945
7946         * c-common.c (c_expand_expr, c_staticp): Remove.
7947         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7948         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7949         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7950         * c-gimplify.c (gimplify_compound_literal_expr,
7951         optimize_compound_literals_in_ctor): Remove.
7952         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7953         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7954         * c-semantics.c (emit_local_var): Remove.
7955
7956         * langhooks-def.h (lhd_expand_expr): Remove.
7957         * langhooks.c (lhd_expand_expr): Remove.
7958         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7959
7960         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7961         handling from c-semantics.c; don't call into langhook.
7962         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7963         * gimplify.c (gimplify_compound_literal_expr,
7964         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7965         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7966         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7967         as was done in c-gimplify.c.
7968         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7969         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7970         Move from c-common.h.
7971         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7972
7973         * tree.c (staticp): Do not call langhook.
7974         * langhooks.c (lhd_staticp): Delete.
7975         * langhooks-def.h (lhd_staticp): Delete prototype.
7976         (LANG_HOOKS_STATICP): Delete.
7977         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7978
7979         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7980         instead of DECL_STMTs.
7981
7982 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7983
7984         PR c/456
7985         PR c/5675
7986         PR c/19976
7987         PR c/29116
7988         PR c/31871
7989         PR c/35198
7990         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7991         void_type_node.
7992         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7993         contained expression.
7994         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7995         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7996         conditional expressions for C.
7997         (decl_constant_value_for_optimization): Move from
7998         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7999         whether optimizing and that the expression is a VAR_DECL not of
8000         array type instead of doing such checks in the caller.  Do not
8001         check pedantic.  Call gcc_unreachable for C++.
8002         * c-common.def (C_MAYBE_CONST_EXPR): New.
8003         * c-common.h (c_fully_fold, c_save_expr,
8004         decl_constant_value_for_optimization): New prototypes.
8005         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8006         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8007         EXPR_INT_CONST_OPERANDS): Define.
8008         * c-convert.c (convert): Strip nops from expression.
8009         * c-decl.c (groktypename): Take extra parameters expr and
8010         expr_const_operands.  Update call to grokdeclarator.
8011         (start_decl): Update call to grokdeclarator.  Add statement for
8012         expressions used in type of decl.
8013         (grokparm): Update call to grokdeclarator.
8014         (push_parm_decl): Update call to grokdeclarator.
8015         (build_compound_literal): Add parameter non_const and build a
8016         C_MAYBE_COSNT_EXPR if applicable.
8017         (grokdeclarator): Take extra parameters expr and
8018         expr_const_operands.  Track expressions used in declaration
8019         specifiers and declarators.  Fold array sizes and track whether
8020         they are constant expressions and whether they are integer
8021         constant expressions.
8022         (parser_xref_tag): Set expr and expr_const_operands fields in
8023         return value.
8024         (grokfield): Update call to grokdeclarator.
8025         (start_function): Update call to grokdeclarator.
8026         (build_null_declspecs): Set expr and expr_const_operands fields in
8027         return value.
8028         (declspecs_add_type): Handle expressions in typeof specifiers.
8029         * c-parser.c (c_parser_declspecs): Set expr and
8030         expr_const_operands fields for declaration specifiers.
8031         (c_parser_enum_specifier): Likewise.
8032         (c_parser_struct_or_union_specifier): Likewise.
8033         (c_parser_typeof_specifier): Likewise.  Update call to
8034         groktypename.  Fold expression as needed.  Return expressions with
8035         type instead of adding statements.
8036         (c_parser_attributes): Update calls to c_parser_expr_list.
8037         (c_parser_statement_after_labels): Fold expression before passing
8038         to objc_build_throw_stmt.
8039         (c_parser_condition): Fold expression.
8040         (c_parser_asm_operands): Fold expression.
8041         (c_parser_conditional_expression): Use c_save_expr.  Update call
8042         to build_conditional_expr.
8043         (c_parser_alignof_expression): Update call to groktypename.
8044         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8045         original_code.  Fold expression argument of va_arg.  Create
8046         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8047         argument to va_arg.  Update calls to groktypename.  Fold array
8048         index for offsetof.  Verify that first argument to
8049         __builtin_choose_expr has integer type.
8050         (c_parser_postfix_expression_after_paren_type): Update calls to
8051         groktypename and build_compound_literal.  Handle expressions with
8052         side effects in type name.
8053         (c_parser_postfix_expression_after_primary): Update call to
8054         c_parser_expr_list.  Set original_code for calls to
8055         __builtin_constant_p.
8056         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8057         expressions if requested.
8058         (c_parser_objc_type_name): Update call to groktypename.
8059         (c_parser_objc_synchronized_statement): Fold expression.
8060         (c_parser_objc_receiver): Fold expression.
8061         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8062         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8063         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8064         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8065         (struct c_typespec): Add elements expr and expr_const_operands.
8066         (struct c_declspecs): Add elements expr and expr_const_operands.
8067         (groktypename, build_conditional_expr, build_compound_literal):
8068         Update prototypes.
8069         (in_late_binary_op): Declare.
8070         * c-typeck.c (note_integer_operands): New function.
8071         (in_late_binary_op): New variable.
8072         (decl_constant_value_for_broken_optimization): Move to c-common.c
8073         and rename to decl_constant_value_for_optimization.
8074         (default_function_array_conversion): Do not strip nops.
8075         (default_conversion): Do not call
8076         decl_constant_value_for_broken_optimization.
8077         (build_array_ref): Do not fold result.
8078         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8079         result when operand is a VLA.
8080         (c_expr_sizeof_type): Update call to groktypename.  Handle
8081         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8082         result when operand names a VLA type.
8083         (build_function_call): Update call to build_compound_literal.
8084         Only fold result for calls to __builtin_* functions.  Strip
8085         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8086         the function designator.
8087         (convert_arguments): Fold arguments.  Update call to
8088         convert_for_assignment.
8089         (build_unary_op): Handle increment and decrement of
8090         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8091         decrement earlier.  Fold operand of increment and decrement.
8092         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8093         built for integer operand.  Wrap returns that are INTEGER_CSTs
8094         without being integer constant expressions or that have integer
8095         constant operands without being INTEGER_CSTs.
8096         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8097         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8098         result is an integer constant expression or can be used in
8099         unevaluated parts of one and avoid folding and wrap as
8100         appropriate.  Fold operands before possibly doing -Wsign-compare
8101         warnings.
8102         (build_compound_expr): Wrap result for C99 if operands can be used
8103         in integer constant expressions.
8104         (build_c_cast): Update call to digest_init.  Do not ignore
8105         overflow from casting floating-point constants to integers.  Wrap
8106         results that could be confused with integer constant expressions,
8107         null pointer constants or floating-point constants.
8108         (c_cast_expr): Update call to groktypename.  Handle expressions
8109         included in type name.
8110         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8111         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8112         Update calls to convert_for_assignment.
8113         (convert_for_assignment): Take new parameter
8114         null_pointer_constant.  Do not strip nops or call
8115         decl_constant_value_for_broken_optimization.  Set
8116         in_late_binary_op for conversions to boolean.
8117         (store_init_value): Update call to digest_init.
8118         (digest_init): Take new parameter null_pointer_constant.  Do not
8119         call decl_constant_value_for_broken_optimization.  pedwarn for
8120         initializers not constant expressions.  Update calls to
8121         convert_for_assignment.
8122         (constructor_nonconst): New.
8123         (struct constructor_stack): Add nonconst element.
8124         (really_start_incremental_init, push_init_level, pop_init_level):
8125         Handle constructor_nonconst and nonconst element.
8126         (set_init_index): Call constant_expression_warning for array
8127         designators.
8128         (output_init_element): Fold value.  Set constructor_nonconst as
8129         applicable.  pedwarn for initializers not constant expressions.
8130         Update call to digest_init.  Call constant_expression_warning
8131         where constant initializers are required.
8132         (process_init_element): Use c_save_expr.
8133         (c_finish_goto_ptr): Fold expression.
8134         (c_finish_return): Fold return value.  Update call to
8135         convert_for_assignment.
8136         (c_start_case): Fold switch expression.
8137         (c_process_expr_stmt): Fold expression.
8138         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8139         ensure statement expression is not evaluated in constant expression.
8140         (build_binary_op): Track whether results are integer constant
8141         expressions or may occur in such, disable folding and wrap results
8142         as applicable.  Fold operands for -Wsign-compare warnings unless
8143         in_late_binary_op.
8144         (c_objc_common_truthvalue_conversion): Handle results folded to
8145         integer constants that are not integer constant expressions.
8146         * doc/extend.texi: Document when typeof operands are evaluated,
8147         that condition of __builtin_choose_expr is an integer constant
8148         expression, and more about use of __builtin_constant_p in
8149         initializers.
8150
8151 2009-03-29  Richard Guenther  <rguenther@suse.de>
8152
8153         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8154         propagate addresses of array references.
8155
8156 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8157
8158         * regmove.c (perhaps_ends_bb_p): Remove.
8159         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8160         from INSN and check that the main loop stays within that basic block.
8161         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8162         (regmove_forward_pass): Split out from regmove_optimize.  Use
8163         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8164         (regmove_backward_pass): Split out from regmove_optimize.  Use
8165         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8166         (regmove_optimize): Simplify.
8167
8168 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8169
8170         PR target/39545
8171         * config/i386/i386.c (classify_argument): Ignore flexible array
8172         member in struct and warn ABI change.
8173
8174 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8175
8176         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8177
8178         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8179         (ix86_adjust_cost): Updated.
8180
8181 2009-03-29  Jan Hubicka  <jh@suse.cz>
8182
8183         PR middle-end/28850
8184         * tree-pass.h (pass_cleanup_eh): New function.
8185         (remove_unreachable_regions): Break code handling RTL
8186         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8187         that can not be reached by runtime.
8188         (can_be_reached_by_runtime): New function.
8189         (label_to_region_map): New function.
8190         (num_eh_regions): New function.
8191         (rtl_remove_unreachable_regions): New function.
8192         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8193         (remove_eh_region): New function.
8194         * except.h: Include sbitmap and vecprim.
8195         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8196         num_eh_regions): Declare.
8197         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8198         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8199         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8200         (tree_empty_eh_handler_p): New function.
8201         (cleanup_empty_eh): New function.
8202         (cleanup_eh): New function.
8203         (pass_cleanup_eh): New function.
8204
8205 2009-03-29  Jan Hubicka  <jh@suse.cz>
8206
8207         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8208         for removed regions.
8209
8210 2009-03-29  Jan Hubicka  <jh@suse.cz>
8211
8212         * except.c (dump_eh_tree): Dump all datastructures.
8213
8214 2009-03-29  Jan Hubicka  <jh@suse.cz>
8215
8216         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8217         (duplicate_eh_regions_1): Likewise.
8218         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8219         vector; call EH verification.
8220         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8221         Be ready for region being removed.
8222
8223 2009-03-29  Jan Hubicka  <jh@suse.cz>
8224
8225         * bitmap.c (bitmap_last_set_bit): New function.
8226         * bitmap.h (bitmap_last_set_bit): Declare.
8227
8228 2009-03-29  David Ayers  <ayers@fsfe.org>
8229
8230         PR objc/27377
8231         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8232         by calling objc_compare_types and surpress warnings about
8233         incompatible C pointers that are compatible ObjC pointers.
8234
8235 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8236
8237         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8238         call initialize_inline_failed.
8239         (initialize_inline_failed): Move it from here ...
8240         * cgraph.c (initialize_inline_failed): ... to here.
8241         (cgraph_create_edge): Call initialize_inline_failed rather than
8242         setting inline_failed directly.
8243
8244 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8245
8246         PR target/32542
8247         * sysv4.opt (msdata): Improve comment.
8248         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8249         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8250
8251 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8252
8253         PR target/30451
8254         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8255         load and store attributes.
8256
8257 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8258
8259         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8260         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8261         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8262         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8263         __builtin_infq and __builtin_huge_valq.
8264
8265 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8266
8267         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8268         atmega8m1 devices.
8269         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8270         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8271
8272 2009-03-28  Xinliang David Li  <davidxl@google.com>
8273
8274         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8275         (do_dbg_cnt): New function.
8276
8277 2009-03-28  Jan Hubicka  <jh@suse.cz>
8278
8279         Merge from pretty-ipa:
8280
8281         2009-03-27  Jan Hubicka  <jh@suse.cz>
8282
8283         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8284         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8285         * passes.c (function_called_by_processed_nodes_p): New.
8286         * ipa-pure-const.c (check_call): Fix handling of operands.
8287         (analyze_function): Dump debug output for skipped bodies.
8288         (local_pure_const): Use function_called_by_processed_nodes_p.
8289         * dwarf2out.c (reference_to_unused): Use output.
8290         * passes.c (do_per_function_toporder): Likewise.
8291
8292         2008-11-12  Jan Hubicka  <jh@suse.cz>
8293
8294         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8295         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8296         state_set_in_source enum
8297         (check_decl): Ignore memory tags; do not set fake looping flags;
8298         dump diagnostics.
8299         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8300         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8301         (check_call, analyze_function): Rewrite.
8302         (check_stmt): New.
8303         (add_new_function): Update call of analyze_function.
8304         (generate_summary): Add call of analyze_function.
8305         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8306         (local_pure_const): New function.
8307         (pass_local_pure_const): New pass.
8308         * ipa-inline.c (inline_transform): Set after_inlining.
8309         * tree-eh.c (stmt_can_throw_external): New.
8310         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8311         work with aliasing built.
8312         * tree-flow.h (stmt_can_throw_external): New.
8313         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8314         and local pure/const pass in early and late optimization queue.
8315
8316 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8317
8318         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8319         allow_func_align.
8320         (fold_binary): Allow function decl aligment consideration is the
8321         second argument is integer constant one.
8322         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8323         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8324         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8325
8326 2009-03-28  Jan Hubicka  <jh@suse.cz>
8327
8328         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8329         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8330         * function.h (rtl_data): Add nothrow flag.
8331         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8332         set DECL_NOTHROW for AVAILABLE functions.
8333
8334 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8335
8336         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8337         following vector keyword has expansion starting with pixel or bool
8338         keyword, expand vector to __vector and pixel or bool to __pixel or
8339         __bool.
8340
8341         PR c++/39554
8342         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8343         warn_if_disallowed_function_p): Removed.
8344         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8345         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8346         warning_if_disallowed_function_p.
8347         * flags.h (warn_if_disallowed_function_p,
8348         warn_disallowed_functions): Removed.
8349         * common.opt (Wdisallowed-function-list=): Removed.
8350         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8351
8352 2009-03-28  Richard Guenther  <rguenther@suse.de>
8353
8354         PR tree-optimization/38723
8355         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8356         the entry block.
8357
8358 2009-03-28  Jan Hubicka  <jh@suse.cz>
8359
8360         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8361         test introduced by my previous patch.
8362
8363 2009-03-28  Richard Guenther  <rguenther@suse.de>
8364
8365         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8366         the PHIs value undefined.
8367
8368 2009-03-28  Jan Hubicka  <jh@suse.cz>
8369
8370         * tree-pass.h (pass_fixup_cfg): New pass.
8371         * ipa-inline.c (inline_transform): Set
8372         always_inline_functions_inlined/after_inlining.
8373         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8374         (pass_fixup_cfg): New pass.
8375         * passes.c (init_optimization_passes): Add fixup_cfg.
8376
8377 2009-03-28  Richard Guenther  <rguenther@suse.de>
8378
8379         PR tree-optimization/38458
8380         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8381         argument use the arguments copy-of value.
8382
8383 2009-03-28  Richard Guenther  <rguenther@suse.de>
8384
8385         PR tree-optimization/38180
8386         * tree-ssa-ccp.c (get_default_value): Simplify.
8387         (likely_value): Likewise.
8388         (surely_varying_stmt_p): Properly handle VOP case.
8389         (ccp_initialize): Likewise.
8390         (ccp_fold): Handle propagating through *&.
8391         (fold_const_aggregate_ref): Also handle decls.
8392
8393 2009-03-28  Jan Hubicka  <jh@suse.cz>
8394
8395         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8396         * cgraph.h (cgraph_node): Likewise.
8397         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8398         (cgraph_reset_node): Use process flag.
8399         (cgraph_mark_functions_to_output): Likewise.
8400         (cgraph_expand_function): Likewise.
8401         (cgraph_expand_all_functions): Likewise.
8402         (cgraph_output_in_order): Likewise.
8403         * dwarf2out.c (reference_to_unused): Likewise.
8404         * passes.c do_per_function_toporder): Likewise.
8405
8406 2009-03-28  Jan Hubicka  <jh@suse.cz>
8407
8408         Bring from lto-branch:
8409
8410         2008-09-03  Doug Kwan  <dougkwan@google.com>
8411
8412         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8413         enums instead of reason strings.
8414         * cgraph.c (cgraph_create_edge): Same.
8415         (cgraph_inline_failed_string): New function.
8416         * cgraph.h (cgraph_inline_failed_t): New enum type.
8417         (cgraph_inline_failed_string): New prototype.
8418         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8419         char pointer to cgraph_inline_failed_t.
8420         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8421         (cgraph_default_inline_p): Ditto.
8422         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8423         to cgraph_inline_failed_t pointer.
8424         * cif-code.def: New file.
8425         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8426         reason string.
8427         (cgraph_check_inline_limits): Change type of REASON to pointer to
8428         cgraph_inline_failed_t.  Replace reason strings with enums.
8429         (cgraph_default_inline_p): Ditto.
8430         (cgraph_recursive_inlining_p): Ditto.
8431         (update_caller_keys): Change type of FAILED_REASON to
8432         cgraph_inline_failed_t.
8433         (cgraph_set_inline_failed): Change type of REASON to pointer to
8434         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8435         convert enums to strings for text output.
8436         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8437         to be of type cgraph_inline_failed_t.  Replace reason strings with
8438         enums.  Call cgraph_inline_failed_string to covert enums
8439         to strings for text output.
8440         (cgraph_decide_inlining): Replace reason strings with enums.
8441         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8442         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8443         for text output.
8444         * tree-inline.c (expand_call_inline): Change type of REASON
8445         to cgraph_inline_failed_t.  Replace reason strings with enums.
8446         Call cgraph_inline_failed_string for text output.
8447         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8448         (cgraph.o): Ditto.
8449
8450 2009-03-28  Jan Hubicka  <jh@suse.cz>
8451
8452         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8453         cgraph_clone_node): Remove master clone handling.
8454         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8455         * cgraph.h (master_clone): Remove.
8456         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8457         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8458         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8459
8460 2009-03-28  Jan Hubicka  <jh@suse.cz>
8461
8462         * cgraph.c (cgraph_function_body_availability): Functions declared
8463         inline are always safe to assume that it is not going to be replaced.
8464
8465 2009-03-28  Richard Guenther  <rguenther@suse.de>
8466
8467         PR tree-optimization/38513
8468         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8469         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8470         EXC_PTR_EXPR and FILTER_EXPR.
8471         (get_ref_from_reference_ops): Likewise.
8472
8473 2009-03-28  Richard Guenther  <rguenther@suse.de>
8474
8475         PR tree-optimization/38968
8476         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8477         Use FLOOR_MOD_EXPR to compute misalignment.
8478
8479 2009-03-28  Richard Guenther  <rguenther@suse.de>
8480
8481         PR tree-optimization/37795
8482         * tree.h (combine_comparisons): Declare.
8483         * fold-const.c (combine_comparisons): Export.
8484         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8485         comparisons.
8486         (ifcombine_iforif): Use combine_comparisons.
8487
8488 2009-03-28  Jan Hubicka  <jh@suse.cz>
8489
8490         * tree-eh.c (inlinable_call_p): New function.
8491         (make_eh_edges): Use it.
8492         (verify_eh_edges): Use it.
8493         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8494         * except.c (reachable_next_level): Add inlinable_function argument
8495         (sjlj_find_directly_reachable_regions): Update.
8496         (add_reachable_handler): Do not set saw_any_handlers.
8497         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8498         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8499         Add new inlinable call parameter.
8500         (can_throw_internal, can_throw_external): Update.
8501         * except.h (can_throw_internal_1, can_throw_external_1,
8502         foreach_reachable_handler): Update declaration.
8503
8504 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8505
8506         * config/arm/t-arm-coff, config/h8300/coff.h,
8507         config/i386/i386-aout.h, config/i386/i386-coff.h,
8508         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8509         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8510         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8511         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8512         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8513         sys-types.h: Remove.
8514         * Makefile.in: Remove protoize and fixproto support and references
8515         in comments.
8516         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8517         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8518         Remove.
8519         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8520         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8521         unprotoize$(exeext).
8522         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8523         (.PHONY): Don't depend on proto.
8524         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8525         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8526         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8527         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8528         build/gen-protos.o, build/scan.o, xsys-protos.h,
8529         build/fix-header$(build_exeext), build/fix-header.o,
8530         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8531         stmp-install-fixproto): Remove.
8532         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8533         SYSCALLS.c or fixproto files.
8534         (install-common): Don't install protoize.
8535         (install-headers-tar, install-headers-cpio, install-headers-cp):
8536         Don't depend on $(STMP_FIXPROTO).
8537         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8538         install fixproto files or write out fixproto settings.
8539         (uninstall): Don't uninstall protoize.
8540         * config.gcc (use_fixproto): Remove.
8541         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8542         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8543         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8544         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8545         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8546         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8547         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8548         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8549         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8550         * config/t-vxworks (STMP_FIXPROTO): Remove.
8551         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8552         STMP_FIXPROTO): Remove.
8553         * config.in, configure: Regenerate.
8554         * crtstuff.c (gid_t, uid_t): Don't undefine.
8555         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8556         (arm-*-coff, arm-*-aout: Remove target entries.
8557         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8558         Remove mention of AIX 4.1.
8559         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8560         * doc/invoke.texi (Running Protoize): Remove.
8561         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8562         (Protoize Caveats): Remove.
8563         * tsystem.h: Update comments on headers assumed to exist.
8564
8565 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8566
8567         * genautomata.c: Add a new year to the copyright.  Add a new
8568         reference.
8569         (struct insn_reserv_decl): Add comments for member bypass_list.
8570         (find_bypass): Remove.
8571         (insert_bypass): New.
8572         (process_decls): Use insert_bypass.
8573         (output_internal_insn_latency_func): Output all bypasses with the
8574         same input insn in one switch case.
8575
8576         * rtl.def (define_bypass): Describe bypass choice.
8577         * doc/md.texi (define_bypass): Ditto.
8578
8579 2009-03-27  Richard Guenther  <rguenther@suse.de>
8580
8581         * gimplify.c (mark_addressable): Export.
8582         * tree-flow.h (mark_addressable): Declare.
8583         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8584         * tree-ssa.c (verify_phi_args): Verify that address taken
8585         variables have TREE_ADDRESSABLE set.
8586
8587 2009-03-27  Richard Guenther  <rguenther@suse.de>
8588
8589         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8590         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8591         Do not mark decls TREE_ADDRESSABLE.
8592         (build_fold_addr_expr): Adjust.
8593         (fold_addr_expr): Remove.
8594         (fold_unary): Use build_fold_addr_expr.
8595         (fold_comparison): Likewise.
8596         (split_address_to_core_and_offset): Likewise.
8597         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8598         TREE_ADDRESSABLE.
8599         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8600         (gimplify_modify_expr_to_memcpy): Mark source and destination
8601         addressable.
8602         * omp-low.c (create_omp_child_function): Mark the object decl
8603         TREE_ADDRESSABLE.
8604         (lower_rec_input_clauses): Mark the var we take the address of
8605         TREE_ADDRESSABLE.
8606         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8607
8608 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8609
8610         PR middle-end/39315
8611         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8612         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8613
8614 2009-03-27  Richard Guenther  <rguenther@suse.de>
8615
8616         PR tree-optimization/39120
8617         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8618         constraints.
8619         (handle_lhs_call): Process return constraints.  Add escape
8620         constraints if necessary.
8621         (handle_const_call): Fill out return constraints.  Make nested
8622         case more precise.  Avoid consttmp if possible.
8623         (handle_pure_call): Fill out return constraints.  Avoid
8624         callused if possible.
8625         (find_func_aliases): Simplify call handling.
8626
8627 2009-03-27  Richard Guenther  <rguenther@suse.de>
8628
8629         PR tree-optimization/39120
8630         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8631         as a representative.
8632         (solve_graph): Do propagate CALLUSED.
8633         (handle_pure_call): Use a scalar constraint from CALLUSED for
8634         the return value.
8635         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8636         solutions.
8637
8638 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8639
8640         PR c/39323
8641         * c-common.c (handle_aligned_attribute): Properly check alignment
8642         overflow.  Use (1U << i) instead of (1 << i).
8643
8644         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8645
8646         * expr.h (get_mem_align_offset): Updated.
8647
8648         * tree.h (tree_decl_common): Change align to "unsigned int" and
8649         move it before pointer_alias_set.
8650
8651 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8652             Jakub Jelinek  <jakub@redhat.com>
8653
8654         PR target/38034
8655         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8656         gr_register_operand with gr_reg_or_0_operand.
8657         (cmpxchg_rel_di): Likewise.
8658         (sync_lock_test_and_set<mode>): Likewise.
8659
8660 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8661
8662         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8663         (true_regnum): Likewise.
8664
8665         * rtlanal.c (subreg_info): Moved to ...
8666         * rtl.h (subreg_info): Here.  New.
8667         (subreg_get_info): New.
8668
8669         * rtlanal.c (subreg_get_info): Make it extern.
8670
8671 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8672
8673         PR target/39472
8674         * config/i386/i386.c (ix86_abi): New.
8675         (override_options): Handle -mabi=.
8676         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8677         (ix86_call_abi_override): Likewise.
8678         (init_cumulative_args): Likewise.
8679         (function_arg_advance): Likewise.
8680         (function_arg_64): Likewise.
8681         (function_arg): Likewise.
8682         (ix86_pass_by_reference): Likewise.
8683         (ix86_function_value_regno_p): Likewise.
8684         (ix86_build_builtin_va_list_abi): Likewise.
8685         (setup_incoming_varargs_64): Likewise.
8686         (is_va_list_char_pointer): Likewise.
8687         (ix86_init_machine_status): Likewise.
8688         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8689         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8690         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8691         (ix86_function_abi): Make it static and return enum calling_abi.
8692         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8693         with ix86_abi.
8694         (ix86_fn_abi_va_list): Updated.
8695
8696         * config/i386/i386.h (ix86_abi): New.
8697         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8698         (CONDITIONAL_REGISTER_USAGE): Likewise.
8699         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8700         (machine_function): Likewise.
8701
8702         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8703         with ix86_abi.
8704         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8705         (STACK_BOUNDARY): Likewise.
8706         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8707
8708         * config/i386/i386.opt (mabi=): New.
8709
8710         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8711         return enum calling_abi.
8712         (ix86_function_type_abi): Likewise.
8713         (ix86_function_abi): Removed.
8714
8715         * doc/invoke.texi: Document -mabi= option for x86.
8716
8717 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8718
8719         * builtins.c (real_dconstp): Delete.
8720         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8721
8722 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8723             Jakub Jelinek  <jakub@redhat.com>
8724
8725         PR debug/37959
8726         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8727         (gen_subprogram_die): When a function is explicit, generate the
8728         DW_AT_explicit attribute.
8729         * langhooks.h (struct lang_hooks_for_decls): Add
8730         function_decl_explicit_p langhook.
8731         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8732         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8733
8734 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8735
8736         * builtins.c (fold_builtin_memory_op): Optimize memmove
8737         into memcpy if we can prove source and destination don't overlap.
8738
8739         * tree-inline.c: Include gt-tree-inline.h.
8740         (clone_fn_id_num): New variable.
8741         (clone_function_name): New function.
8742         (tree_function_versioning): Use it.
8743         * Makefile.in (GTFILES): Add tree-inline.c.
8744
8745 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8746
8747         * BASE-VER: Change to 4.5.0.
8748
8749 2009-03-27  Xinliang David Li  <davidxl@google.com>
8750
8751         PR tree-optimization/39557
8752         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8753
8754 2009-03-27  Xinliang David Li  <davidxl@google.com>
8755
8756         PR tree-optimization/39548
8757         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8758         candidate check.
8759
8760 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8761
8762         * c-common.c (pointer_int_sum): Use %wd on return from
8763         tree_low_cst.
8764
8765 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8766
8767         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8768         on return from tree_low_cst.
8769
8770 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8771
8772         PR c++/36799
8773         * ginclude/stdarg.h (va_copy): Define also for
8774         __GXX_EXPERIMENTAL_CXX0X__.
8775
8776 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8777
8778         PR c++/35652
8779         * builtins.h (c_strlen): Do not warn here.
8780         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8781         * c-common.c (pointer_int_sum): Take an explicit location.
8782         Warn about offsets out of bounds.
8783         * c-common.h (pointer_int_sum): Adjust declaration.
8784
8785 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8786
8787         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8788         markup glitch.
8789
8790 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8791
8792         PR c++/39554
8793         * opts.c (warn_if_disallowed_function_p): Don't assume
8794         get_callee_fndecl must return non-NULL.
8795
8796 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8797
8798         PR rtl-optimization/39522
8799         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8800         when reg_reloaded_valid is set.
8801
8802 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8803
8804         * config/spu/divv2df3.c: New file.
8805         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8806         (DPBIT_FUNCS): Filter out _div_df.
8807
8808 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8809
8810         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8811         a jump insn, count that jump in the distance to the loop start.
8812
8813 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8814
8815         PR target/39523
8816         * config/sh/sh.c (calc_live_regs): Fix condition for global
8817         registers except PIC_OFFSET_TABLE_REGNUM.
8818
8819 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8820
8821         PR/39518
8822         * doc/invoke.texi (-mconsole): New.
8823         (-mcygwin): New.
8824         (-mno-cygwin): New.
8825         (-mdll): New.
8826         (-mnop-fun-dllimport): New.
8827         (-mthread): New.
8828         (-mwin32): New.
8829         (-mwindows): New.
8830         (sub section "i386 and x86-64 Windows Options"): New.
8831
8832 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8833
8834         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8835         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8836
8837 2009-03-25  Richard Guenther  <rguenther@suse.de>
8838
8839         PR middle-end/39497
8840         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8841         of -Wno-error.
8842
8843 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8844
8845         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8846         neither of haifa/selective schedulers are working.
8847
8848 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8849
8850         * doc/invoke.texi (Debugging Options): Fix description of
8851         -fno-merge-debug-strings.
8852
8853 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8854
8855         * config/cris/libgcc.ver: New version-script.
8856         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8857
8858         * configure.ac <GAS features, nop mnemonic>: Add pattern
8859         crisv32-*-* for "nop".
8860         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8861         * configure: Regenerate.
8862
8863 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8864
8865         PR tree-optimization/39529
8866         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8867         mark_sym_for_renaming for the tag copied to the new vector
8868         pointer.
8869
8870 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8871
8872         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8873         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8874         EXTRA_SPEC_FUNCTIONS.
8875         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8876         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8877         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8878         -march and -mtune options.
8879
8880 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8881
8882         * config/m68k/t-rtems: Add m5329 multilib.
8883
8884 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8885             Jakub Jelinek  <jakub@redhat.com>
8886
8887         PR debug/39524
8888         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8889         nodes.
8890
8891 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8892
8893         PR c/39495
8894         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8895         instead of c_parser_expression_conv, if original_code isn't one of the
8896         4 allowed comparison codes, fail.
8897
8898 2009-03-23  Richard Guenther  <rguenther@suse.de>
8899
8900         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8901         * tree.h (struct tree_type): Likewise.
8902         * reload.h (struct insn_chain): Likewise.
8903         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8904         * function.h (struct function): Likewise.
8905         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8906
8907 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8908
8909         PR tree-optimization/39516
8910         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8911
8912 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8913
8914         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8915         should be set true if BITS_PER_WORD of target is bigger than 32
8916
8917 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8918
8919         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8920         Translate -B-options to -rpath-link.  Correct existing
8921         rpath-link and conditionalize on !nostdlib.
8922
8923 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8924
8925         * doc/extend.texi (Function Attributes, Variable Attributes):
8926         Fix typos.
8927         * doc/invoke.texi (Debugging Options, Optimize Options)
8928         (i386 and x86-64 Options, MCore Options): Likewise.
8929
8930 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8931
8932         PR debug/37890
8933         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8934         it for block local namespace aliases.
8935         (gen_decl_die): Pass context_die to gen_namespace_die.
8936
8937 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8938
8939         PR c/39495
8940         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8941         minimum or maximum value.
8942
8943 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8944
8945         * reginfo.c (globalize_reg): Recompute derived reg sets.
8946
8947 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8948
8949         PR target/39063
8950         * libgcc2.c (mprotect): Do not use signed arguments for
8951         VirtualProtect, use DWORD arguments.  Also fix the 'may
8952         be used uninitialized' warning for the np variable.
8953
8954 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR target/39496
8957         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8958         functions using regparm calling conventions when not optimizing.
8959         (ix86_function_sseregparm): Similarly for sseregparm calling
8960         conventions.
8961
8962 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8963
8964         PR middle-end/39500
8965         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8966         dependence if the first conflict is after niter iterations.
8967
8968 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8969
8970         PR middle-end/38609
8971         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8972         functions with dynamic stack-pointer adjustments.
8973
8974 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8975
8976         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8977         option; change to -msdata=data.
8978
8979 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8980
8981         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8982         and -fopenmp.
8983
8984 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8985
8986         PR target/35180
8987         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8988
8989 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8990
8991         * doc/invoke.texi (Code Gen Options): Expand discussion of
8992         -fno-common.
8993
8994 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8995
8996         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8997         * matrix-reorg.c (struct matrix_info): Likewise.
8998         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8999         * rtl.h (struct mem_attrs): Likewise.
9000         * df.h (struct df): Likewise.
9001         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9002         * ira-int.h (struct ira_allocno): Likewise.
9003         * df-scan.c (struct df_collection_rec): Likewise.
9004         * ira.c (struct equivalence): Likewise.
9005         * function.c (struct temp_slot): Likewise.
9006         * cfgloop.h (struct loop): Likewise.
9007
9008         PR debug/39485
9009         * function.c (use_register_for_decl): When not optimizing, disregard
9010         register keyword for variables with types containing methods.
9011
9012 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9013
9014         PR middle-end/39447
9015         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9016         (is_simple_operand): Call contains_component_ref_p before calling data
9017         reference analysis that would fail on COMPONENT_REFs.
9018
9019         * tree-vrp.c (search_for_addr_array): Fix formatting.
9020
9021 2009-03-18  Richard Guenther  <rguenther@suse.de>
9022
9023         * tree-vect-transform.c (vect_loop_versioning): Fold the
9024         generated comparisons.
9025         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9026         (slpeel_tree_peel_loop_to_edge): Likewise.
9027
9028 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9029
9030         PR middle-end/37805
9031         * opts.c (print_specific_help): In addition to `undocumented',
9032         accept `separate' and `joined' flags if passed alone.  Describe
9033         output by the first matched one of those.
9034         (common_handle_option): Skip over empty strings.
9035         * gcc.c (display_help): Fix help string for `--help='.
9036         * doc/invoke.texi (Option Summary, Overall Options): With
9037         `--help=', classes and qualifiers can both be repeated, but
9038         only the latter can be negated.  One should not pass only
9039         negated qualifiers.  Fix markup and examples.
9040
9041         Revert
9042         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9043         PR middle-end/37805
9044         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9045         and -fhelp=separate.
9046
9047 2009-03-17  Jing Yu  <jingyu@google.com>
9048
9049         PR middle-end/39378
9050         * function.h (struct rtl_data): Move is_thunk from here...
9051         (struct function): ...to here.
9052         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9053         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9054         cfun.
9055         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9056         cfun.
9057         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9058         (alpha_output_function_end_prologue): Likewise.
9059         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9060         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9061         (rs6000_output_function_epilogue): Likewise.
9062         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9063
9064 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9065
9066         PR target/39482
9067         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9068         from different units in a single alternative.
9069         (*truncdfsf_i387): Ditto.
9070         (*truncxfsf2_mixed): Ditto.
9071         (*truncxfdf2_mixed): Ditto.
9072
9073 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9074
9075         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9076         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9077
9078         PR debug/39474
9079         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9080         unused non-artificial variables when not optimizing.
9081
9082         PR debug/39471
9083         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9084         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9085         NAMESPACE_DECL in its DECL_INITIAL.
9086
9087         PR middle-end/39443
9088         * optabs.c (set_user_assembler_libfunc): New function.
9089         * expr.h (set_user_assembler_libfunc): New prototype.
9090         * c-common.c: Include libfuncs.h.
9091         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9092         for memcmp, memset, memcpy, memmove and abort.
9093         * Makefile.in (c-common.o): Depend on libfuncs.h.
9094
9095         PR debug/39412
9096         * dwarf2out.c (gen_inlined_enumeration_type_die,
9097         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9098         gen_tagged_type_instantiation_die): Removed.
9099         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9100         do nothing.
9101
9102 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9103
9104         PR testsuite/38526
9105         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9106         its use.
9107         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9108         (check-parallel-%): Ditto.
9109         (check-consistency): Ditto.
9110
9111 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9112
9113         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9114         local variable rhs by NULL_TREE.
9115
9116 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9117
9118         PR target/39477
9119         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9120
9121 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9122
9123         PR target/39476
9124         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9125
9126 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9127
9128         PR target/39473
9129         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9130         for ms->sysv ABI calls only in 64bit mode.
9131
9132         * config/i386/i386.md (untyped_call): Support 32bit.
9133
9134 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9135
9136         * doc/extend.texi: Replace x86_65 with x86_64.
9137
9138 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9139
9140         PR tree-optimization/39455
9141         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9142         mismatches for POINTER_TYPE_P (type).
9143         (number_of_iterations_le): Likewise.
9144
9145 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9146
9147         * config/picochip/picochip.c: Removed profiling support.
9148         * config/picochip/picochip.md: Removed profiling instruction.
9149         * config/picochip/picochip.h: Removed profiling builtin.
9150
9151 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9152
9153         * doc/install.texi (--with-host-libstdcxx): Document.
9154
9155 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9156
9157         PR target/34299
9158         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9159         generate a warning if the function name does not begin with
9160         "__vector" and the function has either the 'signal' or 'interrupt'
9161         attribute, from here to ...
9162         (avr_declare_function_name): ...here. New function.
9163         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9164         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9165
9166 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9167
9168         PR bootstrap/39454
9169         * cse.c (fold_rtx): Don't modify original const_arg1 when
9170         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9171         separate variable instead.
9172         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9173         from out of range shift counts.
9174         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9175
9176 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9177
9178         * config/i386/x-mingw32 (host-mingw32.o): Replace
9179         diagnostic.h with $(DIAGNOSTIC_H).
9180
9181 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9182
9183         PR target/39431
9184         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9185         predicate.
9186         * config/i386/sync.md (sync_compare_and_swap<mode>,
9187         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9188         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9189         into a register.
9190         (sync_double_compare_and_swapdi_pic,
9191         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9192         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9193
9194 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9195
9196         PR target/39445
9197         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9198
9199 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9200
9201         PR target/39327
9202         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9203         (avx_addsubv4df3): Likewise.
9204         (*avx_addsubv4sf3): Likewise.
9205         (sse3_addsubv4sf3): Likewise.
9206
9207 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9208
9209         PR target/38824
9210         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9211
9212 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9213
9214         PR debug/39432
9215         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9216         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9217         registers for allocnos created from user-defined variables.
9218
9219 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9220
9221         PR target/39181
9222         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9223         of non-integer mode as well.
9224
9225 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9226
9227         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9228         for functions for which the parameter types are unknown.
9229
9230 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9231
9232         PR target/39137
9233         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9234         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9235         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9236         * config/i386/i386.c (ix86_local_alignment): For
9237         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9238         long long variables on the stack to avoid dynamic realignment.
9239         Allow the first argument to be a decl rather than type.
9240         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9241
9242 2009-03-11  Nick Clifton  <nickc@redhat.com>
9243
9244         PR target/5362
9245         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9246         options.
9247         Add description to mno-lsim option.
9248         * config/mcore/mcore.h: Remove comment about deprecated m4align
9249         option.
9250         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9251         * doc/invoke.texi: Add description of mno-lsim and
9252         mstack-increment options.
9253
9254         * config/fr30/fr30.opt: Document the -mno-lsim option.
9255         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9256         and -mno-lsim options.
9257
9258 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9259
9260         * fold-const.c (fold_comparison): Only call fold_inf_compare
9261         if the mode supports infinities.
9262
9263 2009-03-11  Jason Merrill  <jason@redhat.com>
9264
9265         PR debug/39086
9266         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9267         end already did.  Notice GIMPLE_CALL modifications of the result.
9268         Don't copy debug information from an ignored decl or a decl from
9269         another function.
9270
9271 2009-03-10  Richard Guenther  <rguenther@suse.de>
9272             Nathan Froyd  <froydnj@codesourcery.com>
9273
9274         PR middle-end/37850
9275         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9276         (__divMODE3): Likewise.
9277
9278 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9279
9280         PR tree-optimization/39394
9281         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9282         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9283
9284 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9285
9286         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9287         inline asms for register asm ("") declarations.
9288
9289 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9290
9291         * fold-const.c (fold_unary): Fix comment.
9292
9293 2009-03-07  Jan Hubicka  <jh@suse.cz>
9294
9295         PR target/39361
9296         * tree-inline.c (setup_one_parameter): Do replacement of const
9297         argument by constant in SSA form.
9298
9299 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9300
9301         PR middle-end/38028
9302         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9303         determine alignment passed to assign_stack_local.
9304         (assign_parms_unsplit_complex): Likewise.
9305         * except.c (sjlj_build_landing_pads): Likewise.
9306
9307 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9308
9309         PR middle-end/39360
9310         * tree-flow.h (add_referenced_var): Return bool instead of void.
9311         * tree-dfa.c (add_referenced_var): Return result of
9312         referenced_var_check_and_insert call.
9313         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9314         of referenced_var_check_and_insert.
9315
9316         PR debug/39372
9317         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9318         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9319         DIE, don't emit it if abstract origin already has it.
9320         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9321         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9322
9323 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9324
9325         * genpreds.c (needs_variable): Fix parentheses at variable name
9326         detection.
9327         (write_tm_constrs_h): Indent generated code.
9328
9329 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9330
9331         * doc/extend.texi (Function Attributes): Add documentation
9332         for isr attributes.
9333
9334 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9335
9336         PR debug/39387
9337         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9338         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9339
9340 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9341
9342         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9343         the loop as bad.
9344
9345 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9346
9347         PR debug/39379
9348         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9349         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9350
9351 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9352
9353         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9354         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9355         constants instead of magic numbers.
9356         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9357         (QI_REG_P): Ditto.
9358         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9359         (x86_64_ms_abi_int_parameter_registers): Ditto.
9360         (x86_64_int_return_registers): Ditto.
9361         (ix86_maybe_switch_abi): Ditto.
9362         (ix86_expand_call): Ditto for clobbered_registers array.
9363         (ix86_hard_regno_mode_ok): Ditto.
9364         (x86_extended_QIreg_mentioned_p): Ditto.
9365
9366 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9367
9368         PR tree-optimization/39349
9369         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9370
9371         * combine.c (gen_lowpart_for_combine): Use omode when generating
9372         clobber.
9373
9374 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9375
9376         PR rtl-optimization/39235
9377         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9378
9379 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9380
9381         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9382
9383 2009-03-04  Richard Guenther  <rguenther@suse.de>
9384
9385         PR tree-optimization/39362
9386         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9387         that occur in abnormal PHIs should be varying.
9388
9389 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9390
9391         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9392         Extend comments.
9393         (simple_iv):  Take loop as an argument instead of statement.
9394         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9395         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9396         to simple_iv.
9397         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9398         Ditto.
9399         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9400         * matrix-reorg.c (analyze_transpose): Ditto.
9401         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9402         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9403         * tree-predcom.c (ref_at_iteration): Ditto.
9404         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9405
9406 2009-03-04  Richard Guenther  <rguenther@suse.de>
9407
9408         PR tree-optimization/39358
9409         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9410         escaped_id and callused_id.
9411         (solve_graph): Likewise.
9412
9413 2009-03-04  Richard Guenther  <rguenther@suse.de>
9414
9415         PR tree-optimization/39339
9416         * tree-sra.c (try_instantiate_multiple_fields): Make it
9417         no longer ICE on the above.
9418
9419 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9420
9421         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9422         that fits within Pmode.
9423
9424 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9425
9426         PR middle-end/10109
9427         * tm.texi (LIBCALL_VALUE): Update description.
9428
9429 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9430
9431         PR middle-end/34443
9432         * doc/extend.texi (section): Update description.
9433
9434 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9435
9436         PR middle-end/39345
9437         * tree-inline.c (remapped_type): New.
9438         (can_be_nonlocal): Call remapped_type instead of remap_type.
9439
9440 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9441
9442         PR fortran/39354
9443         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9444         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9445
9446 2009-03-03  Richard Guenther  <rguenther@suse.de>
9447
9448         PR middle-end/39272
9449         * tree.c (tree_nonartificial_location): New function.
9450         * tree.h (tree_nonartificial_location): Declare.
9451         * builtins.c (expand_builtin_memory_chk): Provide location
9452         of the call location for artificial function pieces.
9453         (maybe_emit_chk_warning): Likewise.
9454         (maybe_emit_sprintf_chk_warning): Likewise.
9455         (maybe_emit_free_warning): Likewise.
9456         * expr.c (expand_expr_real_1): Likewise.
9457
9458 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9459
9460         PR tree-optimization/39343
9461         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9462         COMPONENT_REF t has ARRAY_TYPE.
9463
9464 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9465
9466         PR middle-end/39335
9467         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9468         when the type precision of the induction variable should be
9469         larger than the type precision of nit.
9470         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9471         * graphite.c (graphite_loop_normal_form): Same.
9472         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9473
9474 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9475
9476         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9477         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9478         numbers to describe clobbered registers.
9479         (*call_value_0_rex64_ms_sysv): Ditto.
9480         * config/i386/mmx.md (mmx_emms): Ditto.
9481         (mmx_femms): Ditto.
9482
9483 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9484
9485         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9486         of ABI_64.
9487
9488 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9489
9490         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9491         (spu_section_type_flags): New function.
9492
9493 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9494
9495         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9496         reg_class_contents of FLOAT_REGS into a temporary.
9497
9498 2009-03-02  Richard Guenther  <rguenther@suse.de>
9499             Ira Rosen  <irar@il.ibm.com>
9500
9501         PR tree-optimization/39318
9502         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9503         information to the vectorized statement.
9504
9505 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9506
9507         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9508         variable.  Use defined names instead of magic constants for REX SSE
9509         registers.
9510
9511 2009-03-01  Richard Guenther  <rguenther@suse.de>
9512
9513         PR tree-optimization/39331
9514         * omp-low.c (lower_send_shared_vars): Do not receive new
9515         values for the reference of DECL_BY_REFERENCE parms or results.
9516
9517 2009-03-01  Jan Hubicka  <jh@suse.cz>
9518
9519         PR debug/39267
9520         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9521         BLOCK_NONLOCALIZED_VAR): New macros.
9522         (tree_block): Add nonlocalized_vars.
9523         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9524         gen_decl_die): Add origin argument.  Allow generation of die with
9525         origin at hand only.
9526         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9527         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9528         of gen_*.
9529         (gen_block_die): Fix checking for unused blocks.
9530         (process_scope_var): Break out from .... ; work with origins only.
9531         (decls_for_scope) ... here; process nonlocalized list.
9532         (dwarf2out_ignore_block): Look for nonlocalized vars.
9533         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9534         vars.
9535         (dump_scope_block): Dump them.
9536         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9537         (remap_block): Likewise.
9538         (can_be_nonlocal): New predicate.
9539         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9540
9541 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9542
9543         * configure: Regenerate.
9544
9545 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9546
9547         * optc-gen.awk: No need to duplicate option flags twice.
9548         Reuse help texts for duplicate options which do not have any.
9549
9550         * gcc.c (display_help): Document --version.
9551
9552         * gcc.c (main): If print_help_list and verbose_flag, ensure
9553         driver output comes before subprocess output.
9554
9555         * optc-gen.awk: Assign all remaining fields to help string,
9556         space-separated, for multi-line help in *.opt.
9557
9558         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9559         -Wno-pedantic-ms-format is for MinGW targets only.
9560
9561         * doc/options.texi (Option file format): Fix bad indentation,
9562         restoring dropped sentence.
9563
9564 2009-02-28  Jan Hubicka  <jh@suse.cz>
9565
9566         * tree-inline.c (tree_function_versioning): Output debug info.
9567
9568 2009-02-28  Jan Hubicka  <jh@suse.cz>
9569
9570         PR debug/39267
9571         * tree-inline.c (setup_one_parameter): Do not copy propagate
9572         arguments when not optimizing.
9573
9574 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9575
9576         PR target/39327
9577         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9578         (avx_addsubv4df3): Likewise.
9579         (*avx_addsubv4sf3): Likewise.
9580         (sse3_addsubv4sf3): Likewise.
9581         (*avx_addsubv2df3): Likewise.
9582         (sse3_addsubv2df3): Likewise.
9583         (avx_unpckhps256): Correct item selectors.
9584         (avx_unpcklps256): Likewise.
9585         (avx_unpckhpd256): Likewise.
9586         (avx_unpcklpd256): Likewise.
9587
9588 2009-02-28  Jan Hubicka  <jh@suse.cz>
9589
9590         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9591         static vars.
9592         (copy_arguments_for_versioning): If var is declared don't declare it.
9593         (tree_function_versioning): First setup substitutions and then copy
9594         args.
9595
9596 2009-02-27  Jan Hubicka  <jh@suse.cz>
9597
9598         PR debug/39267
9599         * cgraph.h (varpool_output_debug_info): Remove.
9600         * cgraphunit.c (varpool_output_debug_info): Remove.
9601         * dwarf2out.c (deferred_locations_struct): New struct
9602         (deferred_locations): New type.
9603         (deferred_locations_list): New static var.
9604         (deffer_location): New function.
9605         (gen_variable_die): Use it.
9606         (decls_for_scope): Output info on local static vars.
9607         (dwarf2out_finish): Process deferred locations.
9608         * varpool.c (varpool_output_debug_info): Remove.
9609
9610 2009-02-27  Jan Hubicka  <jh@suse.cz>
9611
9612         PR debug/39267
9613         * tree.h (TREE_PROTECTED): Fix comment.
9614         (BLOCK_HANDLER_BLOCK): Remove.
9615         (struct tree_block): Remove handler_block add body_block.
9616         (inlined_function_outer_scope_p): New.
9617         (is_body_block): Remove.
9618         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9619         * dwarf2out.c (is_inlined_entry_point): Remove.
9620         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9621         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9622         code.
9623         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9624         * gimplify.c (gimplify_expr): Gimplify body blocks.
9625         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9626         block with multiple subblocks.
9627         (dump_scope_block): Prettier output; dump more flags and info.
9628         (dump_scope_blocks): New.
9629         (remove_unused_locals): Use dump_scope_blocks.
9630         * tree-flow.h (dump_scope_blocks): Declare.
9631         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9632         * stmt.c (is_body_block): Remove.
9633         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9634         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9635
9636 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9637
9638         PR middle-end/39308
9639         * graphite.c (graphite_loop_normal_form): Do not call
9640         number_of_iterations_exit from a gcc_assert.
9641
9642 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9643
9644         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9645         jumps if COND is NULL.
9646         (find_cond_jump): New function.
9647         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9648         * config/s390/s390.md: Remove z10_cobra attribute value.
9649
9650 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9651
9652         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9653         force_const_mem returns NULL_RTX.
9654
9655 2009-02-26  Jan Hubicka  <jh@suse.cz>
9656
9657         PR debug/39267
9658         * cgraph.h (varpool_output_debug_info): Remove.
9659         * cgraphunit.c (varpool_output_debug_info): Remove.
9660         * dwarf2out.c (deferred_locations_struct): New struct
9661         (deferred_locations): New type.
9662         (deferred_locations_list): New static var.
9663         (deffer_location): New function.
9664         (gen_variable_die): Use it.
9665         (decls_for_scope): Output info on local static vars.
9666         (dwarf2out_finish): Process deferred locations.
9667         * varpool.c (varpool_output_debug_info): Remove.
9668
9669 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9670
9671         PR rtl-optimization/39241
9672         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9673         to subreg_offset_representable_p.
9674
9675 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9676
9677         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9678         execute function prototype.  Get f and nregs from max_reg_num
9679         and get_insns.  Remove the first backward pass as it's dead,
9680         guard the forward pass by flag_expensive_optimizations.
9681         (rest_of_handle_regmove): Delete.
9682         (pass_regmove): Replace it with regmove_optimize.
9683
9684 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9685
9686         PR tree-optimization/39259
9687         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9688         calls_alloca function flags.
9689         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9690         calls are detected.
9691
9692 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9693
9694         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9695         flags_set_1_rtx, flags_set_1_set): Delete.
9696         (regmove_optimize): Do not call mark_flags_life_zones.
9697
9698 2009-02-24  Julian Brown  <julian@codesourcery.com>
9699
9700         PR target/35965
9701         * config/arm/arm.c (require_pic_register): Only set
9702         cfun->machine->pic_reg once per function.
9703
9704 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9705
9706         * doc/invoke.texi (Link Options): Document an easier way to pass
9707         options that take arguments to the GNU linker using -Xlinker and -Wl.
9708
9709 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9710
9711         PR target/33785
9712         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9713
9714 2009-02-24  Richard Guenther  <rguenther@suse.de>
9715
9716         PR debug/39285
9717         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9718
9719 2009-02-24  Richard Guenther  <rguenther@suse.de>
9720             Zdenek Dvorak  <ook@ucw.cz>
9721
9722         PR tree-optimization/39233
9723         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9724         from converting them to a generic type.
9725
9726 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9727
9728         PR tree-optimization/39260
9729         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9730         contains a condition with a real type.
9731         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9732
9733 2009-02-23  Jason Merrill  <jason@redhat.com>
9734
9735         PR c++/38880
9736         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9737         narrowing_initializer_constant_valid_p.
9738         (narrowing_initializer_constant_valid_p): Don't return
9739         null_pointer_node for adding a pointer to itself.
9740
9741 2009-02-23  Jan Hubicka  <jh@suse.cz>
9742
9743         PR c/12245
9744         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9745         resizing.
9746
9747 2009-02-23  Jan Hubicka  <jh@suse.cz>
9748
9749         PR tree-optimization/37709
9750         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9751         * tree.h (block_ultimate_origin): Declare.
9752         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9753         * tree-ssa-live.c (remove_unused_scope_block_p):
9754         Eliminate blocks containig no instructions nor live variables nor
9755         nested blocks.
9756         (dump_scope_block): New function.
9757         (remove_unused_locals): Enable removal of dead blocks by default;
9758         enable dumping at TDF_DETAILS.
9759
9760 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9761
9762         * config/i386/i386.c (classify_argument): Don't allow COImode
9763         and OImode.
9764         (function_arg_advance_32): Don't allow OImode.
9765         (function_arg_32): Likewise.
9766         (function_value_32): Likewise.
9767         (return_in_memory_32): Likewise.
9768         (function_arg_64): Remove OImode comment.
9769
9770 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9771
9772         PR target/39261
9773         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9774         ix86_expand_vector_set for V4DImode in 64bit mode only.
9775         (ix86_expand_vector_init_one_var): Likewise.
9776
9777 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9778
9779         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9780
9781 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9782
9783         PR bootstrap/39257
9784         * loop-iv.c: Revert last change.
9785         * emit-rtl.c: Likewise.
9786
9787 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9788
9789         PR target/39256
9790         * config/i386/i386.c (type_natural_mode): Remove an extra
9791         space in the warning message.
9792         (function_value_32): Handle 32-byte vector modes.
9793         (return_in_memory_32): Likewise.
9794
9795 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9796
9797         * loop-iv.c (truncate_value): New function.
9798         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9799         of lowpart_subreg.
9800         (lowpart_subreg): Move to...
9801         * emit-rtl.c: ...here.
9802
9803 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9804
9805         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9806         accidental and undocumented change at revision 140860.
9807
9808 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9809
9810         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9811         take gimple_seq * arguments.
9812         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9813         types_compatible_p langhook.
9814
9815 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9816             Joseph Myers  <joseph@codesourcery.com>
9817
9818         * config/arm/arm.c (arm_builtin_va_list): New function.
9819         (arm_expand_builtin_va_start): Likewise.
9820         (arm_gimplify_va_arg_expr): Likewise.
9821         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9822         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9823         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9824         (va_list_type): New variable.
9825         (arm_mangle_type): Mangle va_list_type appropriately.
9826
9827 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9828
9829         PR middle-end/39157
9830         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9831         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9832         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9833         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9834         parameter to 1000 for -O1 by default.
9835         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9836         parameter.
9837         * loop-invariant.c: Include params.h.
9838         (move_loop_invariants): Don't call move_single_loop_invariants on
9839         very large loops.
9840
9841 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9842
9843         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9844         offset when calculating bounds for indexing stack_usage_map.  Fixes
9845         a buffer overflow with certain target setups.
9846
9847 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9848
9849         PR target/39240
9850         * calls.c (expand_call): Clear try_tail_call if caller and callee
9851         disagree in promotion of function return value.
9852
9853 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9854
9855         PR target/39175
9856         * c-common.c (c_determine_visibility): If visibility changed and
9857         DECL_RTL has been already set, call make_decl_rtl to update symbol
9858         flags.
9859
9860 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9861
9862         PR c++/39188
9863         * varasm.c (assemble_variable): Don't check DECL_NAME when
9864         globalizing a variable.
9865
9866 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9867
9868         PR c/38483
9869         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9870         expression before any __builtin_trap call.
9871         * c-typeck.c (build_function_call): Convert and check function
9872         arguments before generating a call to a trap.  Evaluate the
9873         function arguments before the trap.
9874
9875 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9876
9877         PR target/39228
9878         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9879         (UNSPEC_FXAM_MEM): New unspec.
9880         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9881         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9882         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9883
9884 2009-02-19  Richard Guenther  <rguenther@suse.de>
9885
9886         PR tree-optimization/39207
9887         PR tree-optimization/39074
9888         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9889         storedanything_tree): New.
9890         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9891         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9892         (build_succ_graph): Add edges from STOREDANYTHING to all
9893         non-direct nodes.
9894         (init_base_vars): Initialize STOREDANYTHING.
9895         (compute_points_to_sets): Free substitution info after
9896         building the succ graph.
9897         (ipa_pta_execute): Likewise.
9898
9899         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9900         field.
9901         (do_ds_constraint): Do not add to special var or non-pointer
9902         field solutions.
9903         (type_could_have_pointers): Split out from ...
9904         (could_have_pointers): ... here.  For arrays use the element type.
9905         (create_variable_info_for): Initialize may_have_pointers.
9906         (new_var_info): Likewise.
9907         (handle_lhs_call): Make the HEAP variable unknown-sized.
9908         (intra_create_variable_infos): Use a type with pointers for
9909         PARM_NOALIAS, make it unknown-sized.
9910
9911 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9912
9913         PR target/39224
9914         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9915
9916 2009-02-18  Jason Merrill  <jason@redhat.com>
9917
9918         PR target/39179
9919         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9920         value if DECL_EXTERNAL.
9921         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9922         * target.h (gcc_target::binds_local_p): Clarify "module".
9923         * tree.h (TREE_PUBLIC): Clarify "module".
9924
9925 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9926
9927         PR target/38891
9928         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9929         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9930
9931 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9932
9933         PR target/39082
9934         * c.opt (Wabi): Support C and ObjC.
9935         (Wpsabi): New.
9936
9937         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9938
9939         * config/i386/i386.c (classify_argument): Warn once about the ABI
9940         change when passing union with long double.
9941
9942         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9943
9944 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9945
9946         PR c/35447
9947         * c-parser.c (c_parser_compound_statement): Always enter and leave
9948         a scope.
9949
9950 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9951
9952         PR target/34587
9953         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9954
9955 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9956
9957         PR tree-optimization/36922
9958         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9959         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9960         Likewise.
9961
9962 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9963
9964         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9965         to 0 for EABI64.
9966
9967 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9968
9969         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9970
9971 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9972
9973         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9974         tree sharing.
9975
9976 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9977             Richard Sandiford  <rdsandiford@googlemail.com>
9978
9979         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9980         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9981         (loongson_biadd): ...this.
9982
9983 2009-02-17  Richard Guenther  <rguenther@suse.de>
9984
9985         PR tree-optimization/39202
9986         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9987         a var make sure to follow existing collapses.
9988
9989 2009-02-17  Richard Guenther  <rguenther@suse.de>
9990
9991         PR middle-end/39214
9992         * langhooks.c (lhd_print_error_function): Check for NULL block.
9993
9994 2009-02-17  Richard Guenther  <rguenther@suse.de>
9995
9996         PR tree-optimization/39204
9997         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9998         of the PHI arg.
9999
10000 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10001
10002         * config/soft-fp/double.h: Update from glibc CVS.
10003
10004 2009-02-17  Richard Guenther  <rguenther@suse.de>
10005
10006         PR tree-optimization/39207
10007         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10008         strict-aliasing warnings for pointers pointing to NULL.
10009
10010 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10011
10012         PR c/35446
10013         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10014         skipping until next close brace.
10015
10016 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10017
10018         PR target/37049
10019         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10020         to function argument boundary.
10021
10022 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10023
10024         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10025         in the lea_add. Reload eventually constraints it properly.
10026         * config/picochip/constraints.md: Remove the target constraint
10027         "b", since it is not needed anymore.
10028
10029 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10030
10031         * gthr-dce.h: Uglify function parameter and local variable names.
10032         * gthr-gnat.h: Likewise.
10033         * gthr-mipssde.h: Likewise.
10034         * gthr-nks.h: Likewise.
10035         * gthr-posix95.h: Likewise.
10036         * gthr-posix.h: Likewise.
10037         * gthr-rtems.h: Likewise.
10038         * gthr-single.h: Likewise.
10039         * gthr-solaris.h: Likewise.
10040         * gthr-tpf.h: Likewise.
10041         * gthr-vxworks.h: Likewise.
10042         * gthr-win32.h: Likewise.
10043
10044 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10045
10046         PR target/39196
10047         * config/i386/i386.md: Restrict the new peephole2 to move
10048         between MMX/SSE registers.
10049
10050 2009-02-15  Richard Guenther  <rguenther@suse.de>
10051
10052         Revert
10053         2009-02-13  Richard Guenther  <rguenther@suse.de>
10054
10055         * configure.ac: Enable LFS.
10056         * configure: Re-generate.
10057         * config.in: Likewise.
10058
10059 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10060
10061         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10062         spu_srqwbyte, spu_srqwbytebc): Define.
10063         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10064         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10065         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10066         "shrqby_<mode>"): New insn-and-split patterns.
10067         * config/spu/spu.c (expand_builtin_args): Determine and return
10068         number of operands using spu_builtin_description data.
10069         (spu_expand_builtin_1): Use it.
10070
10071 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10072
10073         PR target/38056
10074         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10075         TARGET_CONST_GP.
10076
10077 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10078
10079         PR target/39149
10080         * config/i386/i386.c (override_options): Correct warning
10081         messages for -malign-loops, -malign-jumps and -malign-functions.
10082
10083 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10084
10085         PR target/39152
10086         * config/i386/i386.md: Restrict the new peephole2 to move
10087         between the general purpose registers.
10088
10089 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10090
10091         PR target/39162
10092         * config/i386/i386.c (type_natural_mode): Add a new argument.
10093         Return the original mode and warn ABI change if vector size is 32byte.
10094         (function_arg_advance): Updated.
10095         (function_arg): Likewise.
10096         (ix86_function_value): Likewise.
10097         (ix86_return_in_memory): Likewise.
10098         (ix86_sol10_return_in_memory): Likewise.
10099         (ix86_gimplify_va_arg): Likewise.
10100         (function_arg_32): Don't warn ABX ABI change here.
10101         (function_arg_64): Likewise.
10102
10103 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10104
10105         * loop-iv.c (implies_p): In the final case, test that operands 0
10106         of the two comparisons match.
10107
10108         * config/bfin/bfin.c (find_prev_insn_start): New function.
10109         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10110         (find_next_insn_start): Move.
10111
10112 2009-02-13  Richard Guenther  <rguenther@suse.de>
10113
10114         * configure.ac: Enable LFS.
10115         * configure: Re-generate.
10116         * config.in: Likewise.
10117
10118 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10119
10120         PR c/35444
10121         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10122         sizes on syntax error after some arguments have been parsed.
10123
10124 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10125
10126         * doc/invoke.texi (-fira): Remove.
10127
10128 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10129
10130         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10131         * recog.c: Likewise.
10132         * rtl.h: Likewise.
10133
10134 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10135
10136         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10137         (umul_ppmm): Likewise.
10138         (count_leading_zeros): Likewise.
10139         (count_trailing_zeros): Likewise.
10140         (UMUL_TIME): Likewise.
10141
10142 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10143
10144         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10145         soft-fp/t-softfp to tmake_file.
10146
10147         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10148         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10149         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10150         IA64_BUILTIN_INFQ]: New.
10151         (ia64_init_builtins): Initialize __builtin_infq,
10152         __builtin_fabsq and __builtin_copysignq if not HPUX.
10153         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10154         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10155
10156         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10157         SHARED is defined.
10158         (__fixtfti): Likewise.
10159         (__fixunstfti): Likewise.
10160         (__floattitf): Likewise.
10161
10162         * config/ia64/libgcc-glibc.ver: New.
10163         * config/ia64/t-fprules-softfp: Likewise.
10164         * config/ia64/sfp-machine.h: Likewise.
10165
10166         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10167         (LIBGCC2_TF_CEXT): Likewise.
10168         (TF_SIZE): Likewise.
10169         (TARGET_INIT_LIBFUNCS): Likewise.
10170
10171         * config/ia64/t-glibc (SHLINB_MAPFILES):
10172         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10173
10174 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10175
10176         * config/i386/i386.c (construct_container): Rewrite processing
10177         BLKmode with X86_64_SSE_CLASS.
10178
10179 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10180
10181         PR target/39152
10182         * config/i386/i386.md: Replace simplify_replace_rtx with
10183         replace_rtx in the new peephole2.
10184
10185 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10186
10187         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10188         loop unrolling do not happen at -O2.
10189
10190 2009-02-12  Michael Matz  <matz@suse.de>
10191
10192         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10193
10194 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10195
10196         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10197         for -g3.
10198
10199 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10200
10201         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10202         patterns when updating the back chain.  Missed in the 2009-02-10
10203         change.
10204
10205 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10206
10207         * doc/extend.texi (Decimal Floating Types): Update identifier of
10208         draft TR and list of missing support.
10209
10210 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10211
10212         PR middle-end/39154
10213         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10214         bit to variable length decl's flags, add it also to its
10215         pointer replacement variable.
10216
10217 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10218             Jakub Jelinek  <jakub@redhat.com>
10219
10220         PR target/39118
10221         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10222         (memory_blockage): New expander.
10223         (*memory_blockage): New insn pattern.
10224         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10225         instead of general blockage at the end of function prologue when
10226         frame pointer is used to access red zone area.  Do not emit blockage
10227         when profiling, it is emitted in generic code.
10228         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10229         function epilogue when frame pointer is used to access red zone area.
10230
10231 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10232
10233         PR target/38824
10234         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10235         by arithmetic with memory operands.
10236         * config/i386/predicates.md (commutative_operator): New.
10237
10238 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10239
10240         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10241         bulleted lists.
10242
10243 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10244
10245         * alias.h (record_alias_subset): Declare.
10246         * alias.c (record_alias_subset): Make global.
10247
10248 2009-02-10  Nick Clifton  <nickc@redhat.com>
10249
10250         * tree-parloops.c: Change license to GPLv3.
10251         * ipa-struct-reorg.c: Change license to GPLv3.
10252         * ipa-struct-reorg.h: Change license to GPLv3.
10253
10254 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10255
10256         PR c/39084
10257         * c-decl.c (start_struct): Return NULL on error.
10258
10259 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10260
10261         PR middle-end/39124
10262         * cfgloopmanip.c (remove_path): Call remove_bbs after
10263         cancel_loop_tree, not before it.
10264
10265         PR target/39139
10266         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10267         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10268         VAR_DECLs were seen.
10269         * tree-ssa-live.c (remove_unused_locals): Recompute
10270         cfun->has_local_explicit_reg_vars.
10271         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10272         copies or clearings if cfun->has_local_explicit_reg_vars.
10273
10274 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10275
10276         PR target/39118
10277         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10278         of function prologue when frame pointer is used to access
10279         red zone area.
10280
10281 2009-02-10  Richard Guenther  <rguenther@suse.de>
10282
10283         PR middle-end/39127
10284         * gimplify.c (gimple_regimplify_operands): Always look if
10285         we need to create a temporary.
10286
10287 2009-02-10  Richard Guenther  <rguenther@suse.de>
10288
10289         PR tree-optimization/39132
10290         * tree-loop-distribution.c (todo): New global var.
10291         (generate_memset_zero): Trigger TODO_rebuild_alias.
10292         (tree_loop_distribution): Return todo.
10293
10294 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10295
10296         PR target/39119
10297         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10298         (x86_64_reg_class_name): Removed.
10299         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10300         first one isn't X86_64_SSE_CLASS or any other ones aren't
10301         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10302         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10303         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10304         and 3 X86_64_SSEUP_CLASS.
10305         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10306         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10307
10308 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10309
10310         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10311         form instruction to update the stack back chain word, even if the
10312         user has disabled the generation of update instructions.
10313         (movdi_<mode>_update_stack): New.
10314         (movsi_update_stack): Likewise.
10315         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10316         always use an update form instruction to update the stack back
10317         chain word.
10318
10319 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10320
10321         PR middle-end/38953
10322         * graphite.c (if_region_set_false_region): After moving a region in
10323         the false branch of a condition, remove the empty dummy basic block.
10324         (gloog): Remove wrong fix for PR38953.
10325
10326 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10327
10328         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10329         generation due to implicit sign extension.
10330
10331 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10332
10333         PR middle-end/38981
10334         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10335         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10336
10337 2009-02-09  Richard Guenther  <rguenther@suse.de>
10338
10339         PR middle-end/35202
10340         * convert.c (convert_to_real): Disable (float)fn((double)x)
10341         to fnf(x) conversion if errno differences may occur and
10342         -fmath-errno is set.
10343
10344 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10345
10346         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10347         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10348         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10349
10350 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10351
10352         PR c/35434
10353         * c-common.c (handle_alias_attribute): Disallow attribute for
10354         anything not a FUNCTION_DECL or VAR_DECL.
10355
10356 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10357
10358         PR c/39035
10359         * real.c (do_compare): Special-case compare of zero against
10360         decimal float value.
10361
10362 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10363
10364         PR c/36432
10365         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10366         as indicating flexible array members unless the field itself is
10367         being declarared as the incomplete array.
10368
10369 2009-02-06  Jan Hubicka  <jh@suse.cz>
10370
10371         PR tree-optimization/38844
10372         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10373         is already inlined.
10374
10375 2009-02-06  Richard Guenther  <rguenther@suse.de>
10376
10377         PR middle-end/38977
10378         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10379         fork because we may expand it as __gcov_fork.
10380
10381 2009-02-06  Nick Clifton  <nickc@redhat.com>
10382
10383         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10384
10385 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10386
10387         PR tree-optimization/35659
10388         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10389         vn_phi_eq): Shortcut if hashcode does not match.
10390         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10391         NULL operands.
10392         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10393         and avoid iterative_hash_expr.
10394         (FOR_EACH_VALUE_ID_IN_SET): New.
10395         (value_id_compare): Remove.
10396         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10397         sort expressions by value id.
10398
10399 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10400
10401         PR target/38991
10402         * config/sh/predicates.md (general_movsrc_operand): Don't check
10403         the subreg of system registers here.
10404
10405 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10406
10407         PR c++/39106
10408         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10409         on the copied decl.
10410
10411 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10412
10413         PR rtl-optimization/39110
10414         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10415         addresses, not aligned ones.
10416
10417 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10418             Richard Guenther  <rguenther@suse.de>
10419
10420         PR tree-optimization/39100
10421         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10422         comment says and add edges.
10423
10424 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10425
10426         PR c/35435
10427         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10428         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10429
10430 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10431
10432         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10433         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10434         register_bb_in_sese, new_sese, free_sese): Moved.
10435         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10436         outermost_loop_in_scop, build_scop_iteration_domain,
10437         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10438         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10439         Use loop_in_sese_p instead of loop_in_scop_p.
10440         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10441         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10442         (scopdet_basic_block_info): Fix bug in scop detection.
10443         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10444         eq_loop_to_cloog_loop): Remove.
10445         (nb_loops_around_loop_in_scop, nb_loop
10446         ref_nb_loops): Moved here...
10447         * graphite.h (ref_nb_loops): ... from here.
10448         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10449         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10450         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10451         * testsuite/gcc.dg/graphite/scop-19.c: New
10452
10453 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10454             Hans-Peter Nilsson  <hp@axis.com>
10455
10456         PR rtl-optimization/37889
10457         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10458         Move offset handling from PLUS to before the switch.  Use new
10459         arguments when considering SYMBOL_REFs too.
10460         (rtx_addr_can_trap_p): Pass dummy offset and size.
10461         (enum may_trap_p_flags): Remove.
10462         (may_trap_p_1): Pass size from MEM_SIZE.
10463
10464         PR rtl-optimization/38921
10465         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10466         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10467         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10468         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10469
10470 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10471
10472         AVX Programming Reference (January, 2009)
10473         * config/i386/sse.md (*vpclmulqdq): New.
10474
10475 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10476
10477         PR tree-optimization/38977
10478         PR gcov-profile/38292
10479         * calls.c (special_function_p): Disregard __builtin_ prefix.
10480
10481 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10482
10483         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10484         non-indexable addresses even before reload.
10485
10486 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10487
10488         PR c/29129
10489         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10490         as having variable size.  Do not give an error for unnamed
10491         parameters with [*] declarators.  Give a warning for type names
10492         with [*] declarators and mark them as variable size.
10493         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10494         for sizeof applied to [*] type names.
10495
10496 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10497
10498         PR C++/36607
10499         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10500
10501 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10502
10503         * gcc.c (process_command): Update copyright notice dates.
10504         * gcov.c (print_version): Likewise.
10505         * gcov-dump.c (print_version): Likewise.
10506         * mips-tfile.c (main): Likewise.
10507         * mips-tdump.c (main): Likewise.
10508
10509 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10510
10511         PR c/35433
10512         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10513         for composite type involving a zero-length array type.
10514
10515 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10516
10517         PR target/35318
10518         * function.c (match_asm_constraints_1): Skip over
10519         initial optional % in the constraint.
10520
10521         PR inline-asm/39059
10522         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10523         supported, don't accept FIXED_CSTs.
10524         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10525         and _Sat is used without _Fract/_Accum.  Set specs->type to
10526         integer_type_node for cts_fract/cts_accum if fixed point is not
10527         supported.
10528
10529 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10530
10531         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10532
10533 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10534
10535         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10536         (ABI_HAS_64BIT_SYMBOLS): Use it.
10537         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10538
10539 2009-02-02  Paul Brook  <paul@codesourcery.com>
10540
10541         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10542
10543 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10544
10545         PR inline-asm/39058
10546         * recog.h (asm_operand_ok): Add constraints argument.
10547         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10548         recurse on matching constraint.
10549         (check_asm_operands): Pass constraints as 3rd argument to
10550         asm_operand_ok.  Don't look up matching constraint here.
10551         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10552         to asm_operand_ok.
10553
10554 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10555
10556         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10557         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10558
10559 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10560
10561         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10562         information.  Remove some obsolete information.  Reorganize.
10563
10564         * config/pa/fptr.c: Revert license to GPL 2.
10565         * config/pa/milli64.S: Likewise.
10566
10567 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10568
10569         PR target/38904
10570         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10571         LIBRARY name in, instead of hard-coding it.
10572         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10573         extra target make frag to tmake_files according to EH model.
10574         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10575         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10576         frags that define makefile variable EH_MODEL appropriately.
10577         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10578         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10579         to "-sjlj" according to type of EH configured.
10580         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10581         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10582         to "_sjlj" according to type of EH configured.
10583         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10584         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10585         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10586         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10587         string value of "pe_dll" command-line option.
10588         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10589         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10590         (SHLIB_IMPLIB):  Override t-cygming default.
10591         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10592         string value of "pe_dll" command-line option.
10593
10594 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10595
10596         PR target/38952
10597         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10598         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10599
10600 2009-01-31  Richard Guenther  <rguenther@suse.de>
10601
10602         PR tree-optimization/38937
10603         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10604         computing the transitive closure.
10605
10606 2009-01-30  Richard Guenther  <rguenther@suse.de>
10607
10608         PR tree-optimization/39041
10609         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10610         Propagate variable indices only if the types match for this stmt.
10611
10612 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10613
10614         PR target/39013
10615         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10616         inline but never defined.
10617
10618 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10619
10620         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10621         (*insv_h_di_reg_extimm): New insn.
10622         (*insv_l<mode>_reg_extimm): New insn.
10623
10624 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10625
10626         * config/picochip/picochip.c (flag_conserve_stack): set
10627         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10628         fconserve-stack. Reduce call-overhead used by inliner.
10629
10630 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10631
10632         PR/38157
10633         * common.opt (flag_conserve_stack): Initialised to zero.
10634
10635 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10636
10637         PR/39002
10638         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10639         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10640         method.
10641
10642 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10643
10644         * ira-color.c (allocno_reload_assign): Update comments.
10645         * regmove.c (regmove_optimize): Likewise.
10646
10647         * ra.h: Removed.
10648
10649 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10650
10651         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10652         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10653         `MD_UNWIND_SUPPORT'.
10654         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10655
10656 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10657
10658         PR tree-optimization/39007
10659         * tree-loop-distribution.c (generate_builtin): Use
10660         recompute_dominator to compute the immediate dominator of the
10661         basic block just after the loop.
10662
10663 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10664
10665         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10666         (ASM_OUTPUT_DWARF_PCREL): Define.
10667
10668 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10669
10670         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10671         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10672         global.  Modify entries about regmove and IRA.
10673
10674         * ra-conflict.c: Remove the file.
10675
10676         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10677
10678         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10679         (pass_regclass_init): Rename to pass_reginfo_init.
10680
10681         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10682
10683         * toplev.h (flag_ira): Remove.
10684
10685         * caller-save.c (setup_save_areas): Remove flag_ira.
10686
10687         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10688
10689         * global.c: Remove the file.
10690
10691         * opts.c (decode_options): Remove flag_ira.
10692
10693         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10694
10695         * regmove.c: Modify file description.
10696         (find_use_as_address, try_auto_increment): Define them only if
10697         AUTO_INC_DEC is defined.
10698         (replacement_quality, replace_in_call_usage, fixup_match_1,
10699         stable_and_no_regs_but_for_p): Remove.
10700         (reg_set_in_bb): Make it static.
10701         (regmove_optimize): Remove flag_ira and code which worked for
10702         !flag_ira.
10703
10704         * local-alloc.c: Remove the file.
10705
10706         * common.opt (fira): Remove.
10707
10708         * ira.c: Include except.h.
10709         (eliminable_regset): Move from global.c.
10710         (mark_elimination): Ditto.  Remove flag_ira.
10711         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10712         equiv_mem_modified, validate_equiv_mem_from_store,
10713         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10714         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10715         no_equiv, recorded_label_ref): Move from local-alloc.c.
10716         (update_equiv_regs): Ditto.  Make it static.
10717         (print_insn_chain, print_insn_chains): Move it from global.c.
10718         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10719         (build_insn_chain): Ditto.  Make it static.
10720         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10721         Rename to init_live_subregs.
10722         (gate_ira): Remove flag_ira.
10723
10724         * regclass.c: Rename reginfo.c.  Change file description.
10725         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10726         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10727         (init_reg_sets_1): Remove code for evaluation of
10728         reg_class_superclasses and losing_caller_save_reg_set.
10729         (init_regs): Remove init_reg_autoinc.
10730         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10731         ok_for_base_p_nonstrict): Remove.
10732         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10733         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10734         corresponding entries.
10735         (dump_regclass, record_operand_costs, scan_one_insn,
10736         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10737         record_address_regs, auto_inc_dec_reg_p): Remove.
10738         (gt-regclass.h): Rename to gt-reginfo.h.
10739
10740         * rtl.h (dump_global_regs, retry_global_alloc,
10741         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10742
10743         * Makefile.in (RA_H): Remove.
10744         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10745         Rename regclass.o to reginfo.o.
10746         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10747         gt-reginfo.h.
10748         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10749         (GTFILES): Rename regclass.c to reginfo.c.
10750
10751         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10752         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10753
10754         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10755         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10756         Remove flag_ira.
10757         (finish_spills): Ditto.  Remove code for !flag_ira.
10758
10759 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10760
10761         PR middle-end/35854
10762         * doc/invoke.texi (rtl debug options): Complete rewrite.
10763         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10764         to auto_inc_dec".
10765         * mode-switching.c (pass_mode_switching): Rename pass from
10766         "mode-sw" to "mode_sw".
10767         * except.c (pass_convert_to_eh_ranges): Rename pass from
10768         "eh-ranges" to "eh_ranges".
10769         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10770         to "subreg1".
10771
10772
10773 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10774             Alexander Monakov  <amonakov@ispras.ru>
10775
10776         PR middle-end/38857
10777         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10778         register.
10779         (move_exprs_to_boundary): Change return type and pass through
10780         should_move from move_op.  Relax assert.  Update usage ...
10781         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10782         cant_move.
10783         (move_op_orig_expr_found): Indicate that insn was disconnected from
10784         stream.
10785         (code_motion_process_successors): Do not call after_merge_succs
10786         callback if original expression was not found when traversing any of
10787         the branches.
10788         (code_motion_path_driver): Change return type.  Update prototype.
10789         (move_op): Update comment.  Add a new parameter (should_move).  Update
10790         prototype.  Set *should_move based on indication provided by
10791         move_op_orig_expr_found.
10792
10793 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10794
10795         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10796         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10797         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10798         * config/rs6000/rs6000.c (rs6000_override_options): Default
10799         avoid-indexed-addresses on for Power6, off for everything else.
10800         (avoiding_indexed_address_p): New function.
10801         (rs6000_legitimize_address): Use it.
10802         (rs6000_legitimate_address): Likewise.
10803         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10804
10805 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10806
10807         PR tree-optimization/38997
10808         * tree-loop-distribution.c (generate_memset_zero): Use
10809         POINTER_PLUS_EXPR for a pointer addition.
10810
10811 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10812
10813         * config/s390/s390.md (bswap<mode>2): New pattern added.
10814
10815 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10816
10817         * config/s390/s390.md (*tls_load_31): Added type attribute.
10818
10819 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10820
10821         * config/s390/s390.md: Fix a few comments.
10822
10823 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10824
10825         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10826         (*tm<mode>_full): Fixed z10prop attribute.
10827         (*tst<mode>_extimm): Fixed z10prop attribute.
10828         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10829         (*tstqiCCT_cconly): Fixed z10prop attribute.
10830         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10831         (*movsi_larl): Fixed z10prop attribute.
10832         (*movsi_zarch): Fixed z10prop attribute.
10833         (*movsi_eas): Fixed z10prop attribute.
10834         (*movhi): Fixed z10prop attribute.
10835         (*movqi): Fixed z10prop attribute.
10836         (*movstrictqi): Fixed z10prop attribute.
10837         (*mov<mode>): Fixed z10prop attribute.
10838         (*movcc): Fixed z10prop attribute.
10839         (*sethighpartdi_64): Fixed z10prop attribute.
10840         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10841         (*negdi2_sign_cc): Fixed z10prop attribute.
10842         (*negdi2_sign): Fixed z10prop attribute.
10843         (*absdi2_sign_cc): Fixed z10prop attribute.
10844         (*absdi2_sign): Fixed z10prop attribute.
10845         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10846         (*negabsdi2_sign): Fixed z10prop attribute.
10847         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10848         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10849         (doloop_si64): Fixed z10prop attribute.
10850         (doloop_si31): Fixed z10prop attribute.
10851         (doloop_long): Fixed z10prop attribute.
10852         (indirect_jump): Fixed z10prop attribute.
10853         (nop): Fixed z10prop attribute.
10854         (main_base_64): Fixed z10prop attribute.
10855         (reload_base_64): Fixed z10prop attribute.
10856
10857 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10858
10859         PR rtl-optimization/38740
10860         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10861         if !optimize.
10862         * config/mips/mips.c (mips_reorg): Likewise.
10863
10864 2009-01-28  Richard Guenther  <rguenther@suse.de>
10865
10866         PR tree-optimization/38926
10867         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10868         with the correct value id to a value.
10869         (do_regular_insertion): Use the value number of edoubleprime
10870         for the value number of the expr.
10871
10872         Revert
10873         2008-08-21  Richard Guenther  <rguenther@suse.de>
10874
10875         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10876         a PHI ask VN if it is already available.
10877         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10878         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10879
10880 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10881
10882         PR middle-end/38934
10883         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10884         set to varying whenever max has TREE_OVERFLOW set, similarly
10885         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10886
10887 2009-01-28  Richard Guenther  <rguenther@suse.de>
10888
10889         PR middle-end/38908
10890         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10891         uninitialized aggregate uses in call arguments.
10892
10893 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10894
10895         PR tree-optimization/38984
10896         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10897         the nothing_id variable if -fno-delete-null-pointer-checks.
10898
10899 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10900
10901         PR target/38988
10902         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10903         (set_got_offset_rex64): Ditto.
10904
10905 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10906
10907         PR target/38941
10908         * doc/extend.texi: Improve local variable with asm reg.
10909
10910 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10911
10912         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10913         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10914         was not supplied then set warn_packed_bitfield_compat to the
10915         default value of 1.
10916         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10917         against 1.
10918
10919 2009-01-27  Richard Guenther  <rguenther@suse.de>
10920
10921         PR tree-optimization/38503
10922         * cfgexpand.c (expand_gimple_basic_block): Ignore
10923         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10924         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10925         variables that cannot have TBAA applied.
10926         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10927         statements.
10928
10929 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10930
10931         PR middle-end/38969
10932         * calls.c (initialize_argument_information): Do not wrap complex
10933         arguments in SAVE_EXPR.
10934
10935 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10936
10937         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10938         (INSTALL_LIBGCC): Revert typo commit.
10939
10940 2009-01-26  Richard Guenther  <rguenther@suse.de>
10941
10942         PR tree-optimization/38745
10943         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10944         from special handling.
10945
10946 2009-01-26  Richard Guenther  <rguenther@suse.de>
10947
10948         PR tree-optimization/38745
10949         * tree-ssa.c (execute_update_addresses_taken): Do not include
10950         variables that cannot possibly be a register in not_reg_needs.
10951         Do not clear TREE_ADDRESSABLE on vars that may not become
10952         registers.
10953         * tree-ssa.c (update_alias_info_1): Include those in the set
10954         of addressable vars.
10955
10956 2009-01-26  Richard Guenther  <rguenther@suse.de>
10957
10958         PR middle-end/38851
10959         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10960         * tree-ssa-dse.c: Include langhooks.h
10961         (execute_simple_dse): Remove stores with zero size.
10962
10963 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10964
10965         PR c/38957
10966         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10967         as PLUS_EXPR.
10968
10969 2009-01-24  Julian Brown  <julian@codesourcery.com>
10970
10971         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10972         config/arm/linux-atomic.c.
10973         * config/arm/linux-atomic.c: New.
10974
10975 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10976
10977         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10978         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10979         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10980
10981 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10982
10983         PR c/38938
10984         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10985         properly.
10986
10987 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10988
10989         PR tree-optimization/38953
10990         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10991         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10992         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10993         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10994         changed the CFG.
10995
10996 2009-01-24  Paul Brook  <paul@codesourcery.com>
10997
10998         * config/arm/neon.md (neon_type): Move to arm.md.
10999         (neon_mov<VSTRUCT>): Add neon_type attribute.
11000         * config/arm/arm.md (neon_type): Move to here.
11001         (conds): Add "unconditioal" and use as default for NEON insns.
11002
11003 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11004
11005         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11006         void *' warning from -Wc++-compat.
11007         * Makefile.in (dominance.o-warn): Remove.
11008
11009 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11010
11011         PR tree-optimization/38932
11012         * fold-const.c (fold_unary_ignore_overflow): New.
11013         * tree.h (fold_unary_ignore_overflow): Declare.
11014         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11015         * tree-ssa-sccvn.c (visit_reference_op_load,
11016         simplify_unary_expression): Likewise.
11017
11018 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11019
11020         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11021         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11022         regardless of their type.
11023         * c-common.c (handle_packed_attribute): Don't ignore packed on
11024         bitfields.
11025         * c.opt (Wpacked-bitfield-compat): New warning option.
11026         * stor-layout.c (place_field): Warn if offset of a field changed.
11027         * doc/extend.texi (packed): Mention the ABI change.
11028         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11029         (Warning Options): Add it to the list.
11030
11031 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11032
11033         * c-opts.c (c_common_post_options): Fix a typo in comments.
11034
11035 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11036
11037         PR middle-end/38615
11038         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11039         variables to static.
11040         * doc/invoke.texi (-fmerge-all-constants): Update description.
11041
11042 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11043
11044         PR target/38931
11045         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11046         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11047
11048 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11049
11050         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11051         a word boundary.
11052         (LOCAL_ALIGNMENT): Similarly.
11053
11054 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11055             Joseph Myers  <joseph@codesourcery.com>
11056
11057         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11058         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11059         * config/arm/arm-tune.md: Regenerate.
11060         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11061         -march=iwmmxt2.
11062
11063 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11064
11065         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11066         version number to five.
11067
11068 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11069
11070         PR c++/38930
11071         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11072         * c-common.c (set_underlying_type): Likewise.
11073         (is_typedef_decl ): Likewise
11074         * tree.h: Likewise
11075         (set_underlying_type): Likewise.
11076         (is_typedef_type): Likewise.
11077
11078 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11079
11080         PR middle-end/38587
11081         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11082         crossing setjmps.
11083
11084 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11085
11086         PR bootstrap/37660
11087         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11088         (LIBGCC_SPEC):  Don't define.
11089         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11090
11091 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11092
11093         PR rtl-optimization/38879
11094         * alias.c (base_alias_check): Unaligned access via AND address can
11095         alias all surrounding object types except those with sizes equal
11096         or wider than the size of unaligned access.
11097
11098 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11099
11100         PR c++/26693
11101         * c-decl.c (clone_underlying_type): Move this ...
11102         * c-common.c (set_underlying_type): ... here.
11103         Also, make sure the function properly sets TYPE_STUB_DECL() on
11104         the newly created typedef variant type.
11105         (is_typedef_decl ): New entry point.
11106         * tree.h: Added a new member member_types_needing_access_check to
11107         struct tree_decl_non_common.
11108         (set_underlying_type): New entry point.
11109         (is_typedef_type): Likewise.
11110
11111 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11112
11113         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11114         Check whether two instructions have memory references that
11115         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11116         are helper functions for traversing.
11117         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11118         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11119         not to draw dependency edge for instructions with non-conflicting
11120         alias sets.
11121
11122 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11123
11124         PR other/38758
11125         * longlong.h: Update copyright years.  Use soft-fp license notice.
11126         Sync __clz_tab declaration with glibc.
11127
11128 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11129
11130         PR target/30687
11131         * doc/extend.texi (syscall_linkage): New.
11132         (version_id): Modify.
11133
11134 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11135             Richard Guenther  <rguenther@suse.de>
11136
11137         PR tree-optimization/38747
11138         PR tree-optimization/38748
11139         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11140         conversion if the base address is an indirect reference and the
11141         aliasing sets could cause issues.
11142
11143 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11144
11145         * common.opt (fgraphite, fgraphite-identity): Add comment for
11146         explaining why these options are not documented.
11147
11148 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11149
11150         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11151         gimple_call_lhs is NULL.
11152
11153 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11154
11155         PR target/38868
11156         * emit-rtl.c (adjust_address_1): Make sure memref is never
11157         overwritten.
11158
11159 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11160
11161         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11162         const qualifier from arg parameter. Remove unnecessary cast to char *.
11163         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11164         const qualifier from arg 2.
11165
11166 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11167
11168         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11169
11170 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11171
11172         PR c/38869
11173         * rtl.h (reinit_regs): New prototype.
11174         * regclass.c: Include ira.h.
11175         (reinit_regs): New.
11176         * Makefile.in (regclass.o): Add ira.h.
11177         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11178
11179 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11180
11181         PR target/38736
11182         * c-common.c (handle_aligned_attribute): Use
11183         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11184         default alignment value.
11185
11186         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11187
11188         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11189         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11190
11191         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11192         __BIGGEST_ALIGNMENT__.
11193
11194         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11195
11196 2009-01-18  Richard Guenther  <rguenther@suse.de>
11197
11198         PR tree-optimization/38819
11199         * tree-flow.h (operation_could_trap_helper_p): Declare.
11200         * tree-eh.c (operation_could_trap_helper_p): Export.
11201         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11202         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11203         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11204         are about to insert a possibly trapping instruction and fail
11205         in this case.
11206
11207 2009-01-18  Andreas Schwab  <schwab@suse.de>
11208
11209         * doc/install.texi (Configuration): Remove obsolete paragraph
11210         about use of --with-gnu-ld with --with-gnu-as.
11211
11212 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11213
11214         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11215         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11216         Follow spelling conventions.
11217
11218 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11219
11220         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11221         C++ warning about implicit conversion from void * to struct
11222         bitmap_head_def *.
11223         (bitmap_obstack_free): Likewise for bitmap_element *.
11224         * Makefile.in (bitmap.o-warn): Remove.
11225
11226 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11227
11228         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11229
11230 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11231             Tobias Grosser  <tobi.grosser@amd.com>
11232
11233         * graphite.c (graphite_trans_scop_block): Do not block single
11234         nested loops.
11235
11236 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11237
11238         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11239         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11240         test with assertion.
11241
11242 2009-01-16  Richard Guenther  <rguenther@suse.de>
11243
11244         PR tree-optimization/38835
11245         PR middle-end/36227
11246         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11247         and INT + PTR -> (INT)(PTR p+ INT) folding.
11248         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11249
11250 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11251
11252         PR target/38554
11253         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11254         the subreg from a lowpart subreg if it is also casting the value.
11255
11256 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11257             Tobias Grosser  <tobi.grosser@amd.com>
11258
11259         * graphite.c (compare_prefix_loops): New.
11260         (build_scop_canonical_schedules): Rewritten.
11261         (graphite_transform_loops): Move build_scop_canonical_schedules
11262         after build_scop_iteration_domain.
11263
11264 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11265             Tobias Grosser  <tobi.grosser@amd.com>
11266
11267         * graphite.c (add_conditions_to_domain): Add the loops to
11268         the dimension of the iteration domain.  Do copy the domain
11269         only when it exists.
11270         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11271         (add_conditions_to_constraints): New.
11272         (can_generate_code_stmt, can_generate_code): Removed.
11273         (gloog): Do not call can_generate_code.
11274         (graphite_transform_loops): Call add_conditions_to_constraints
11275         after building the iteration domain.
11276
11277 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11278
11279         PR tree-optimization/38789
11280         * tree-ssa-threadedge.c
11281         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11282         __builtin_constant_p.
11283
11284 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11285
11286         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11287         examined before deleting them.
11288
11289 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11290
11291         * function.c (aggregate_value_p): Correctly extract the function
11292         type from CALL_EXPR_FN lookup.
11293
11294 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11295
11296         * config/picochip/picochip.c (picochip_override_options): Revert
11297         CFI asm flag disable commited previously.
11298
11299 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11300             Tobias Grosser  <tobi.grosser@amd.com>
11301             Jan Sjodin  <jan.sjodin@amd.com>
11302
11303         * graphite.c (scan_tree_for_params): On substractions negate
11304         all the coefficients of the term.
11305         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11306         of more than two operands.
11307         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11308         (get_vdef_before_scop): Handle also the case of default definitions.
11309
11310 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11311
11312         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11313         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11314         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11315
11316 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11317             Joey Ye  <joey.ye@intel.com>
11318
11319         PR middle-end/37843
11320         * cfgexpand.c (expand_stack_alignment): Don't update stack
11321         boundary nor check incoming stack boundary here.
11322         (gimple_expand_cfg): Update stack boundary and check incoming
11323         stack boundary here.
11324
11325 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11326
11327         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11328
11329 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11330
11331         PR rtl-optimization/38245
11332         * calls.c (expand_call): Add stack arguments to
11333         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11334         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11335         in regs and partially in memory or BLKmode arguments.
11336         (emit_library_call_value_1): Add stack arguments to
11337         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11338         ACCUMULATE_OUTGOING_ARGS).
11339         * dce.c: Include tm_p.h.
11340         (find_call_stack_args): New function.
11341         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11342         argument.
11343         (mark_insn): Call find_call_stack_args for CALL_Ps.
11344         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11345         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11346         down to deletable_insn_p, don't mark stores set in arg_stores
11347         bitmap, clear the bitmap at the beginning of each bb.
11348         * Makefile.in (dce.o): Depend on $(TM_P_H).
11349
11350 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11351
11352         PR target/22599
11353         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11354         to make sure the insn is a conditional test (bug 22599).  Reformat a
11355         few long lines.
11356
11357 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11358
11359         PR middle-end/38431
11360         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11361         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11362         (gloog): Do not call cleanup_tree_cfg.
11363         (graphite_transform_loops): Call cleanup_tree_cfg after all
11364         scops have been code generated.
11365
11366 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11367         * doc/gty.texi (Invoking the garbage collector): Added new node
11368         and section documenting ggc_collect.
11369
11370 2009-01-14  Richard Guenther  <rguenther@suse.de>
11371
11372         PR tree-optimization/38826
11373         PR middle-end/38477
11374         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11375         initialization notes only if we actually emitted a warning.
11376         (intra_create_variable_infos): Add constraints for a result decl
11377         that is passed by hidden reference.
11378         (build_pred_graph): Mark all related variables non-direct on
11379         address-taking.
11380
11381 2009-01-14  Nick Clifton  <nickc@redhat.com>
11382
11383         * ira-conflicts.c: Include addresses.h for the definition of
11384         base_reg_class.
11385         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11386         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11387
11388 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11389
11390         PR target/38811
11391         * Makefile.in (ira-lives.o): Add except.h.
11392
11393         * ira-lives.c: Include except.h.
11394         (process_bb_node_lives): Process can_throw_internal.
11395
11396 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11397
11398         PR rtl-optimization/38774
11399         * combine.c (simplify_set): When undoing cc_use change, don't do
11400         PUT_CODE on the newly created comparison, but instead put back the
11401         old comparison.
11402
11403 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11404
11405         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11406         values.  Remove duplicate arm8 entry.
11407
11408 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11409
11410         PR tree-optimization/38786
11411         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11412         the SSA_NAME case of expand_scalar_variables_expr.
11413         Set the type of an expression to the type of its assign statement.
11414         (expand_scalar_variables_expr): Also gather the scalar computation
11415         used to index the memory access.  Do not pass loop_p.
11416         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11417         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11418         the gimple_stmt_iterator where it inserts new code.
11419         Do not pass loop_p.
11420         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11421         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11422
11423 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11424
11425         * graphite.h (debug_value): Removed.
11426         * graphite.c (debug_value): Removed.
11427
11428 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11429
11430         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11431         ldrd/strd with two 32-bit instructions.
11432
11433 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11434
11435         * config/arm/arm.c (struct processors): Pass for speed down into
11436         cost helper functions.
11437         (const_ok_for_op): Handle COMPARE and inequality nodes.
11438         (arm_rtx_costs_1): Rewrite.
11439         (arm_size_rtx_costs): Update prototype.
11440         (arm_rtx_costs): Pass speed down to helper functions.
11441         (arm_slowmul_rtx_costs): Rework cost calculations.
11442         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11443         (arm_9e_rtx_costs): Likewise.
11444
11445 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11446
11447         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11448         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11449         (alpha_legitimize_address): Do not split local symbols wider than
11450         UNITS_PER_WORD into HIGH/LO_SUM parts.
11451
11452 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11453
11454         PR bootstrap/38580
11455         * gcc.c (process_command): Replace call to execvp with calls
11456         to pex_one and exit.
11457
11458 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11459
11460         PR target/29141
11461         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11462         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11463         variant for devices with 3-byte PC.
11464         (__tablejump_elpm__): New.
11465
11466 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11467
11468         PR c/32041
11469         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11470         offsetof member-designator, handle it as `[0].'.
11471
11472 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11473
11474         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11475         function when not using named sections on targets with named sections
11476         if branch distance is less than 262132.
11477
11478 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11479
11480         * combine.c (combine_instructions):  Recompute
11481         optimize_this_for_speed_p  for each BB in the main combine loop.
11482
11483 2009-01-12  Tomas Bily  <tbily@suse.cz>
11484
11485         PR middlend/38385
11486         * tree-loop-distribution.c (prop_phis): New function.
11487         (generate_builtin): Call prop_phis.
11488         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11489
11490 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11491
11492         PR tree-optimization/38807
11493         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11494         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11495
11496 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11497
11498         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11499         subreg of op0 to the original op0.
11500
11501 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11502
11503         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11504
11505 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11506
11507         PR debug/7055
11508         * mips-tfile.c (parse_def): Fix parsing of def strings
11509         starting with digits.
11510
11511 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11512
11513         PR target/38695
11514         * config/arm/arm.c (arm_is_long_call_p): Don't call
11515         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11516
11517 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11518
11519         * regrename.c (regrename_optimize): Fix dumping.
11520         (find_oldest_value_reg): Preserve REG_POINTER.
11521         (copy_hardreg_forward_1): Likewise.
11522
11523 2009-01-09  Diego Novillo  <dnovillo@google.com>
11524
11525         * gimple.h (struct gimple_statement_base) <uid>: Document
11526         the restrictions on its use.
11527         (gimple_uid): Tidy.
11528         (gimple_set_uid): Tidy.
11529
11530 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11531
11532         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11533         zero guard even if align_bytes != 0 and count is smaller than
11534         size_needed.
11535
11536 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11537
11538         PR rtl-optimization/38495
11539         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11540         (add_range_and_copies_from_move_list): Print all added ranges.
11541         Add ranges to memory optimized destination.
11542
11543 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11544
11545         PR target/38686
11546         PR target/38708
11547         * config/i386/i386.c (override_options): Reject
11548         -mstringop-strategy=rep_8byte with -m32.
11549         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11550         to 1.  Do count comparison against epilogue_size_needed at compile
11551         time even when count_exp was constant forced into register.  For
11552         size_needed don't jump to epilogue, instead just avoid aligning
11553         and invoke the body algorithm.  If need_zero_guard, add zero guard
11554         even if count is non-zero, but smaller than size_needed + number of
11555         bytes that could be stored for alignment.
11556         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11557         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11558         but smaller than size_needed + number of bytes that could be stored
11559         for alignment.  Compare size_needed with epilogue_size_needed instead
11560         of desired_align - align, don't adjust size_needed, pass
11561         epilogue_size_needed to the epilogue expanders.
11562
11563         PR c/35742
11564         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11565
11566 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11567
11568         * pa.c (last_address): Change to unsigned.
11569         (update_total_code_bytes): Change argument to unsigned.  Don't
11570         check if insn addresses are set.
11571         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11572         addresses are not set.
11573         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11574
11575 2009-01-09  Nick Clifton  <nickc@redhat.com>
11576
11577         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11578         DECL_DECLARED_INLINE_P.
11579
11580 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11581
11582         PR middle-end/38347
11583         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11584         GET_MODE (op0) in operand_subword_force calls.
11585
11586         PR middle-end/38771
11587         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11588         fold_convert arg0 operands to TREE_TYPE (op0) first.
11589
11590 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11591
11592         * params.def (ira-max-conflict-table-size): Decrease default value
11593         to 1000.
11594
11595 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11596
11597         PR tree-optimization/37031
11598         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11599         on parameter_set.
11600         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11601         allocate it using gc instead of heap, use VEC_quick_push instead of
11602         VEC_safe_push.
11603         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11604         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11605         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11606         allocated vector from heap allocated.
11607         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11608         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11609         vector only after perfect_loop_nest_depth call.
11610
11611 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11612             Jan Sjodin  <jan.sjodin@amd.com>
11613
11614         PR tree-optimization/38559
11615         * graphite.c (debug_value, copy_constraint,
11616         swap_constraint_variables, scale_constraint_variable, ): New.
11617         (get_lower_bound, get_upper_bound): Removed.
11618         (graphite_trans_bb_strip_mine): Clean up this code that works
11619         only for constant number of iterations.  Fully copy upper and
11620         lower bound constraints, not only the constant part of them.
11621         * graphite.h (debug_value): Declared.
11622
11623 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11624
11625         PR tree-optimization/37194
11626         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11627         Don't add the cost of cost model guard in prologue to scalar
11628         outside cost in case of known number of iterations.
11629
11630 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11631             Alan Modra  <amodra@bigpond.net.au>
11632
11633         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11634         non-word-aligned REG+CONST addressing.
11635
11636 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11637
11638         PR target/38706
11639         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11640         free_after_compilation when outputting a thunk.
11641         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11642         Do not call free_after_compilation here.
11643
11644 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11645
11646         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11647         (ix86_valid_target_attribute_inner_p): Ditto.
11648
11649 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11650
11651         PR tree-optimization/38492
11652         PR tree-optimization/38498
11653         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11654         * tree-chrec.h (scev_is_linear_expression): Declared.
11655         * graphite.c (graphite_cannot_represent_loop_niter): New.
11656         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11657         (graphite_loop_normal_form): Use gcc_assert.
11658         (scan_tree_for_params): Use CASE_CONVERT.
11659         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11660         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11661         Use gcc_assert.  Discard scops that contain unhandled cases.
11662         (build_scop_conditions): Return a boolean status for unhandled cases.
11663         (strip_mine_profitable_p): Print the loop number, not its depth.
11664         (is_interchange_valid): Pass the depth of the loop nest, don't
11665         recompute it wrongly.
11666         (graphite_trans_bb_block): Same.
11667         (graphite_trans_bb_block): Print tentative of loop blocking.
11668         (graphite_trans_scop_block): Do not print that the loop has been
11669         blocked.
11670         (graphite_transform_loops): Do not handle scops that contain condition
11671         scalar phi nodes.
11672
11673 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11674
11675         AVX Programming Reference (December, 2008)
11676         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11677         (_mm256_stream_pd): Likewise.
11678         (_mm256_stream_ps): Likewise.
11679
11680         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11681         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11682         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11683         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11684         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11685         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11686         (ix86_expand_special_args_builtin): Likewise.
11687
11688         * config/i386/sse.md (AVXMODEDI): New.
11689         (avx_movnt<mode>): Likewise.
11690         (avx_movnt<mode>): Likewise.
11691         (<sse>_movnt<mode>): Remove AVX support.
11692         (sse2_movntv2di): Likewise.
11693
11694 2009-01-07  Richard Guenther  <rguenther@suse.de>
11695
11696         PR middle-end/38751
11697         * fold-const.c (extract_muldiv): Remove obsolete comment.
11698         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11699         to PLUS_EXPR canonicalization for the canonicalization.
11700
11701 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11702
11703         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11704         hosted cross-compilers generating less efficient code.
11705
11706 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11707
11708         * function.h (rtl_data): Add a dbr_scheduled_p field.
11709         * reorg.c (dbr_schedule): Set it.
11710         (gate_handle_delay_slots): Check it.
11711         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11712         (mips_reorg): Check flag_delayed_branch instead of
11713         mips_base_delayed_branch.
11714         (mips_override_options): Don't set mips_base_delayed_branch
11715         or flag_delayed_branch.
11716
11717 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11718
11719         PR rtl-optimization/38426.
11720         * ira.c (ira): Set current_function_is_leaf earlier.
11721
11722 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11723
11724         PR rtl-optimization/38722
11725         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11726         too early, only set a flag and modify after last possible
11727         undo_all point.
11728
11729 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11730
11731         PR c/34252
11732         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11733         * real.c (decimal_single_format): Correct values of emin and emax.
11734         (decimal_double_format): Ditto.
11735         (decimal_quad_format): Ditto.
11736         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11737         computation of DECnn_MIN and DECnn_MAX for corrected values of
11738         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11739         __DECnn_MIN__, and adjust its computation for the corrected value
11740         of emin.
11741
11742 2009-01-06  Jan Hubicka  <jh@suse.cz>
11743
11744         PR target/38744
11745         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11746
11747 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11748
11749         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11750         Add Robert Clark to the list of testers.
11751
11752 2009-01-06  Jan Hubicka  <jh@suse.cz>
11753             Kai Tietz  <kai.tietz@onevision.com>
11754
11755         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11756         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11757
11758 2009-01-06  Jan Hubicka  <jh@suse.cz>
11759             Kai Tietz  <kai.tietz@onevision.com>
11760
11761         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11762         for w64 ABI.
11763         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11764         (ix86_nsaved_regs): Count only general purpose regs.
11765         (ix86_nsaved_sseregs): New.
11766         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11767         to 16 for w64; compute padding and size of sse reg save area.
11768         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11769         general purpose regs.
11770         (ix86_emit_save_sse_regs_using_mov): New.
11771         (ix86_expand_prologue): Save SSE regs if needed.
11772         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11773         (ix86_emit_restore_sse_regs_using_mov): New.
11774         (ix86_expand_epilogue): Save SSE regs if needed.
11775
11776 2009-01-06  Jan Hubicka  <jh@suse.cz>
11777             Kai Tietz  <kai.tietz@onevision.com>
11778
11779         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11780         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11781         functions when accumulate outgoing args is off.
11782
11783 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11784
11785         PR bootstrap/38742
11786         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11787         before using pseudos_have_intersected_live_ranges_p.
11788
11789         * ira-int.h (ira_assert): Always define.
11790
11791 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11792
11793         AVX Programming Reference (December, 2008)
11794         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11795         (_mm256_permute2_pd): Likewise.
11796         (_mm_permute2_ps): Likewise.
11797         (_mm256_permute2_ps): Likewise.
11798         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11799         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11800
11801         * config/i386/i386.c (ix86_builtins): Remove
11802         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11803         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11804         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11805         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11806         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11807         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11808         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11809         __builtin_ia32_vpermil2ps256.
11810         (ix86_init_mmx_sse_builtins): Updated.
11811         (ix86_expand_args_builtin): Likewise.
11812
11813 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11814
11815         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11816         long absolute calls when generating PA 2.0 code.
11817
11818 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11819
11820         PR rtl-optimization/38583
11821         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11822
11823         * params.def (ira-max-conflict-table-size): New.
11824
11825         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11826
11827         * ira.h (ira_conflicts_p): New external definition.
11828
11829         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11830         table.  Report this.  Return result of building.
11831         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11832         building conflict table.
11833
11834         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11835         (ira_color): Use ira_conflicts_p.
11836
11837         * global.c: Include ira.h.
11838         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11839         ira_conflicts_p.
11840
11841         * Makefile.in (global.o): Add ira.h.
11842
11843         * ira-build.c (mark_all_loops_for_removal,
11844         propagate_some_info_from_allocno): New.
11845         (remove_unnecessary_allocnos): Call
11846         propagate_some_info_from_allocno.
11847         (remove_low_level_allocnos): New.
11848         (remove_unnecessary_regions): Add parameter.  Call
11849         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11850         parameter to remove_unnecessary_regions.
11851         (ira_build): Remove all regions but root if the conflict table was
11852         not built.  Update conflict hard regs for allocnos crossing calls.
11853
11854         * ira.c (ira_conflicts_p): New global.
11855         (ira): Define and use ira_conflicts_p.
11856
11857         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11858         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11859         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11860
11861 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11862
11863         * gengtype-lex.l (YY_NO_INPUT): Define.
11864
11865 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11866
11867         PR c/34911
11868         * c-common.c (handle_vector_size_attribute): Also reject
11869         BOOLEAN_TYPE types.
11870
11871 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11872
11873         PR tree-optimization/38492
11874         * graphite.c (rename_map_elt, debug_rename_elt,
11875         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11876         rename_map_elt_info, eq_rename_map_elts,
11877         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11878         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11879         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11880         (sese_build_livein_liveouts): New.
11881         (new_sese, free_sese): New.
11882         (new_scop): Call new_sese.
11883         (free_scop): Call free_sese.
11884         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11885         (register_old_new_names): Renamed register_old_and_new_names.
11886         (register_scop_liveout_renames, add_loop_exit_phis,
11887         insert_loop_close_phis, struct igp,
11888         default_liveout_before_guard, add_guard_exit_phis,
11889         insert_guard_phis, copy_renames): New.
11890         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11891         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11892         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11893         (scop_adjust_phis_for_liveouts): New.
11894         (gloog): Call scop_adjust_phis_for_liveouts.
11895
11896         * graphite.h (struct sese): Documented.  Added fields liveout,
11897         num_ver and livein.
11898         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11899         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11900         (struct scop): Added field liveout_renames.
11901         (SCOP_LIVEOUT_RENAMES): New.
11902
11903 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11904
11905         PR tree-optimization/38510
11906         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11907         (translate_clast): Call recompute_all_dominators before
11908         graphite_verify.
11909         (gloog): Call recompute_all_dominators before graphite_verify.
11910
11911 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11912             Jan Sjodin  <jan.sjodin@amd.com>
11913
11914         PR tree-optimization/38500
11915         * graphite.c (create_sese_edges): Call fix_loop_structure after
11916         splitting blocks.
11917
11918 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11919
11920         * config.gcc: Add m32r*-*-rtems*.
11921         * config/m32r/rtems.h: New file.
11922
11923 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11924
11925         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11926         (.po.pox): Likewise.
11927         (po/gcc.pot): Likewise.
11928
11929 2009-01-04  David S. Miller  <davem@davemloft.net>
11930
11931         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11932         (STARTING_FRAME_OFFSET): Always set to zero.
11933
11934 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11935
11936         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11937         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11938         fixed-point types, and vectors of the same.
11939
11940 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11941
11942         * config/mips/sync.md (*mb_barrier): Rename to...
11943         (*memory_barrier): ...this.
11944
11945 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11946
11947         * doc/extend.texi (Function Attributes): Move @cindex after @item
11948         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11949         and put in alphabetical order. Fix 'target' name and put in order.
11950         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11951         typos.
11952
11953 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11954
11955         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11956         (memory_barrier): Expand as unspec instead of unspec_volatile.
11957         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11958         (*memory_barrier): Define as unspec instead of unspec_volatile.
11959         Use (match_dup 0) as input operand.
11960
11961         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11962         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11963         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11964         scratch register.  Remove operand 1.
11965         (*stbar): Define as unspec instead of unspec_volatile.
11966         Use (match_dup 0) as input operand, remove (const_int 8).
11967         (*membar): Define as unspec instead of unspec_volatile.
11968         Use (match_dup 0) as input operand, remove input operand 2.
11969
11970         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11971         (memory_barrier): Expand as unspec instead of unspec_volatile.
11972         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11973         (*memory_barrier): Define as unspec instead of unspec_volatile.
11974         Use (match_dup 0) as input operand.
11975
11976         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11977         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11978         Set volatile flag on operand 0.
11979         (*memory_barrier): New insn pattern.
11980
11981         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11982         insn operands.
11983         (*memory_barrier): Use (match_dup 0) as input operand.
11984
11985         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11986         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11987         Set volatile flag on operand 0.
11988         (*mb_internal): New insn pattern.
11989
11990         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11991
11992 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11993
11994         PR middle-end/38586
11995         * function.c (struct temp_slot): Move to the section of the file
11996         that deals with temp slots.  Remove field 'address'.
11997         (temp_slot_address_table): New hash table of address -> temp slot.
11998         (struct temp_slot_address_entry): New struct, items for the table.
11999         (temp_slot_address_compute_hash, temp_slot_address_hash,
12000         temp_slot_address_eq, insert_temp_slot_address): Support functions
12001         for the new table.
12002         (find_temp_slot_from_address): Rewrite to use the new hash table.
12003         (remove_unused_temp_slot_addresses): Remove addresses of temp
12004         slots that have been made available.
12005         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12006         worker function for remove_unused_temp_slot_addresses.
12007         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12008         Add the temp slot address to the address -> temp slot map.
12009         (update_temp_slot_address): Update via insert_temp_slot_address.
12010         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12011         (pop_temp_slots): Likewise.
12012         (init_temp_slots): Allocate the address -> temp slot map, or empty
12013         the map if it is already allocated.
12014         (prepare_function_start): Initialize temp slot processing.
12015
12016 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12017
12018         PR middle-end/38584
12019         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12020         Calculate the size of all stack vars assuming no packing of stack
12021         vars will happen, replacing a quadratic algorithm with a linear one.
12022
12023 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12024
12025         PR target/38707
12026         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12027         can't be used.
12028
12029 2009-01-03  Diego Novillo  <dnovillo@google.com>
12030
12031         * doc/contrib.texi: Update contributions.
12032
12033 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12034
12035         PR c++/38705
12036         * builtins.c (fold_builtin_memory_op): Give up if either operand
12037         is volatile.  Set srctype or desttype to non-qualified version
12038         of the other type.
12039
12040         PR c/38700
12041         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12042         and FUNCTION_DECLs.
12043
12044 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12045
12046         PR rtl-optimization/35805
12047         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12048         problem if fast dce is able to remove any instructions.
12049         * dce.c (dce_process_block): Fix dump message.
12050
12051 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12052
12053         PR 33649
12054         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12055
12056 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12057
12058         PR middle-end/38690
12059         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12060         * tree-pretty-print.c (op_code_prio): New function.
12061         (op_prio): No longer static.  Use op_code_prio.
12062         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12063         Use op_prio and op_code_prio to determine if () should be
12064         printed around operand(s) or not.
12065
12066         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12067         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12068         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12069         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12070         pp_character instead of pp_string for single letter printing.
12071
12072 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12073
12074         * doc/extend.texi: Fix '#pragma GCC option' typo.
12075
12076 2009-01-02  Richard Guenther  <rguenther@suse.de>
12077
12078         * doc/install.texi (--enable-checking): Mention different
12079         default for stage1.
12080         (--enable-stage1-checking): Document.
12081
12082 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12083
12084         PR middle-end/30142
12085         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12086         case to be an error.
12087
12088 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12089
12090         * config/fp-bit.h (pack_d): Constify argument.
12091         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12092         (isnan): Constify argument.
12093         (isinf): Likewise.
12094         (iszero): Likewise.
12095         (pack_d): Likewise.
12096         (_fpadd_parts): Constify return type.
12097         (_fpmul_parts): Likewise.
12098         (_fpdiv_parts): Likewise.
12099
12100 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12101
12102         PR c/36489
12103         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12104         warn about overwriting initializer with side-effects or
12105         -Woverride-init if !IMPLICIT.
12106         (output_init_element): Likewise.  Pass IMPLICIT down to
12107         add_pending_init.
12108         (process_init_element): Add IMPLICIT argument.  Pass it down
12109         to output_init_element.
12110         (push_init_element, pop_init_level, set_designator): Adjust
12111         process_init_element callers.
12112         (set_nonincremental_init, set_nonincremental_init_from_string):
12113         Adjust add_pending_init callers.
12114         (output_pending_init_elements): Adjust output_init_element callers.
12115         * c-tree.h (process_init_element): Adjust prototype.
12116         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12117         process_init_element callers.
12118
12119 \f
12120 Copyright (C) 2009 Free Software Foundation, Inc.
12121
12122 Copying and distribution of this file, with or without modification,
12123 are permitted in any medium without royalty provided the copyright
12124 notice and this notice are preserved.