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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-15  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
4         * cgraph.h (struct inline_summary): New filed self_wize,
5         size_inlining_benefit, self_time and time_inlining_benefit.
6         (struct cgraph_global_info): Replace insns by time ans size fields.
7         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
8         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
9         (ipcp_update_callgraph): Do not touch function bodies.
10         * ipa-inline.c: Include except.h
11         MAX_TIME: New constant.
12         (overall_insns): Remove
13         (overall_size, max_benefit): New static variables.
14         (cgraph_estimate_time_after_inlining): New function.
15         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
16         (cgraph_clone_inlined_nodes): Update size.
17         (cgraph_mark_inline_edge): Update size.
18         (cgraph_estimate_growth): Use size info.
19         (cgraph_check_inline_limits): Check size.
20         (cgraph_default_inline_p): Likewise.
21         (cgraph_edge_badness): Compute badness based on benefit and size cost.
22         (cgraph_decide_recursive_inlining): Check size.
23         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
24         (cgraph_decide_inlining): Likewise.
25         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
26         (likely_eliminated_by_inlining_p): New predicate.
27         (estimate_function_body_sizes): New function.
28         (compute_inline_parameters): Use it.
29         * except.c (must_not_throw_labels): New function.
30         * except.h (must_not_throw_labels): Declare.
31         * tree-inline.c (init_inline_once): Kill inlining_weigths
32         * tree-ssa-structalias.c: Avoid uninitialized warning.
33         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
34         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
35         (PARAM_INLINE_CALL_COST): Remove.
36         (PARAM_EARLY_INLINING_INSNS): New.
37         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
38         (inline-call-cost): Remove.
39         (early-inlining-insns): New.
40
41 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
42
43         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
44         for bounds.
45         (print_int_cst_bounds_in_octal_p): Likewise.
46         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
47         with subtypes.
48         * dwarf2out.c (base_type_die): Likewise.
49         (is_subrange_type): Delete.
50         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
51         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
52         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
53         the destination type is boolean.
54         (build_range_check): Do not special-case subtypes.
55         (fold_sign_changed_comparison): Likewise.
56         (fold_unary): Likewise.
57         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
58         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
59         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
60         * tree.c (subrange_type_for_debug_p): New predicate based on the former
61         is_subrange_type.
62         * tree.h (subrange_type_for_debug_p): Declare.
63         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
64         (convert_affine_scev): Remove call to above function.
65         (chrec_convert_aggressive): Likewise.
66         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
67         false for conversions involving subtypes.
68         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
69         (vrp_val_min): Likewise.
70         (needs_overflow_infinity): Likewise.
71         (extract_range_from_unary_expr): Likewise.
72
73 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
74
75         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
76         * config/frv/frv.c: Likewise.
77         * config/s390/s390.c: Likewise.
78         * config/sparc/sparc.h: Likewise.
79         * config/i386/i386.h: Likewise.
80         * config/i386/i386.c: Likewise.
81         * config/crx/crx.c: Likewise.
82         * config/m68hc11/m68hc11.h: Likewise.
83         * config/iq2000/iq2000.c: Likewise.
84         * config/mn10300/mn10300.h: Likewise.
85         * config/mn10300/mn10300.c: Likewise.
86         * config/m68k/m68k.c: Likewise.
87         * config/rs6000/rs6000.c: Likewise.
88         * config/rs6000/xcoff.h: Likewise.
89         * config/rs6000/linux64.h: Likewise.
90         * config/rs6000/sysv4.h: Likewise.
91         * config/score/score3.c: Likewise.
92         * config/score/score7.c: Likewise.
93         * config/score/score.c: Likewise.
94         * config/arm/arm.md: Likewise.
95         * config/mips/mips.c: Likewise.
96         * config/mips/mips.md: Likewise.
97         * config/bfin/bfin.h: Likewise.
98         * config/pa/pa.c: Likewise.
99         * config/pa/constraints.md: Likewise.
100
101         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
102         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
103         * config/pdp11/pdp11.h: Use memory_address_p instead.
104
105 2009-05-14  Ian Lance Taylor  <iant@google.com>
106
107         * passes.c (finish_optimization_passes): Change i to int.
108         * plugin.c (plugins_active_p): Change event to int.
109         (dump_active_plugins): Likewise.
110         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
111         Add cast.
112         * tree.c (tree_range_check_failed): Change c to unsigned int.
113         (omp_clause_range_check_failed): Likewise.
114         (build_common_builtin_nodes): Change mode to int.  Add cast.
115         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
116         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
117
118         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
119         ++ or -- with a variable of enum type.
120
121 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
122
123         PR driver/40144
124         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
125
126 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
127
128         * store-motion.c: Do not include params.h
129         * Makefile.in: Fix dependencies for various files.
130
131 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
132
133         * auto-inc-dec.c: Fix pass description, remove apparent
134         accidental duplication.
135
136 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
137
138         PR middle-end/40147
139         * ipa-utils.h (memory_identifier_string): Moved to ...
140         * tree.h (memory_identifier_string): Here.  Add GTY(()).
141
142 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
143
144         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
145         in the former documentation of...
146         (GO_IF_LEGITIMATE_ADDRESS): ... this.
147         * ira-conflicts.c (get_dup_num): Use address_operand.
148         * targhooks.c (default_legitimate_address_p): New.
149         * targhooks.h (default_legitimate_address_p): New.
150         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
151         Call hook.
152         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
153         * target.h (struct target): Add legitimate_address_p.
154         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
155         (TARGET_INITIALIZER): Include it.
156
157         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
158         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
159         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
160         (TARGET_LEGITIMATE_ADDRESS_P): New.
161
162         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
163         (REG_OK_STRICT_P): Delete.
164         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
165         (frv_legitimate_address_p_1): ... this.
166         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
167         (frv_legitimate_address_p_1): ... the renamed old
168         frv_legitimate_address_p.
169         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
170         (TARGET_LEGITIMATE_ADDRESS_P): New.
171
172         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
173         * config/s390/s390-protos.h (legitimate_address_p): Remove.
174         * config/s390/s390.c (legitimate_address_p): Rename to...
175         (s390_legitimate_address_p): ... this, make static.
176         (legitimize_address): Adjust call.
177         (TARGET_LEGITIMATE_ADDRESS_P): New.
178         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
179
180         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
181         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
182         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
183         (TARGET_LEGITIMATE_ADDRESS_P): New.
184
185         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
186         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
187         * config/spu/spu.c (spu_legitimate_address): Rename to...
188         (spu_legitimate_address_p): ... this, make static.
189         (TARGET_LEGITIMATE_ADDRESS_P): New.
190
191         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
192         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
193         * config/sparc/sparc.c (legitimate_address_p): Rename to...
194         (sparc_legitimate_address_p): ... this, make static and return bool.
195         (legitimize_address): Adjust call.
196         (TARGET_LEGITIMATE_ADDRESS_P): New.
197
198         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
199         * config/i386/i386-protos.h (legitimate_address_p): Remove.
200         * config/i386/i386.c (legitimate_address_p): Rename to...
201         (ix86_legitimate_address_p): ... this, make static.
202         (constant_address_p): Move after it, adjust call.
203         (TARGET_LEGITIMATE_ADDRESS_P): New.
204
205         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
206         * config/avr/avr-protos.h (legitimate_address_p): Remove.
207         * config/avr/avr.c (legitimate_address_p): Rename to...
208         (avr_legitimate_address_p): ... this, make static.
209         (legitimize_address): Adjust call.
210         (TARGET_LEGITIMATE_ADDRESS_P): New.
211
212         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
213         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
214         * config/crx/crx.c (crx_legitimate_address_p): Make static.
215         (TARGET_LEGITIMATE_ADDRESS_P): New.
216
217         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
218         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
219         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
220         (TARGET_LEGITIMATE_ADDRESS_P): New.
221
222         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
223         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
224         Remove.
225         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
226         Make static.
227         (TARGET_LEGITIMATE_ADDRESS_P): New.
228
229         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
230         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
231         Remove.
232         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
233         Rename to...
234         (m68hc11_legitimate_address_p): ... this, make static.
235         (go_if_legitimate_address_internal): Rename to...
236         (m68hc11_legitimate_address_p_1): ... this.
237         (legitimize_address): Adjust call.
238         (TARGET_LEGITIMATE_ADDRESS_P): New.
239
240         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
241         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
242         Remove.
243         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
244         Make static.
245         (TARGET_LEGITIMATE_ADDRESS_P): New.
246
247         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
248         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
249         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
250         (mn10300_legitimate_address_p): ... this, make static.
251         (TARGET_LEGITIMATE_ADDRESS_P): New.
252
253         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
254         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
255         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
256         (TARGET_LEGITIMATE_ADDRESS_P): New.
257
258         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
259         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
260         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
261         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
262         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
263         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
264         (rs6000_legitimate_address_p): ... this, make static.
265         (TARGET_LEGITIMATE_ADDRESS_P): New.
266         (REG_MODE_OK_FOR_BASE_P): Delete.
267         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
268
269         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
270         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
271         Delete.
272         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
273         static, adjust types.
274         (TARGET_LEGITIMATE_ADDRESS_P): New.
275
276         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
277         * config/score/score.c (score_address_p): Rename to...
278         (score_legitimate_address_p): ... this.
279         (TARGET_LEGITIMATE_ADDRESS_P): New.
280         * config/score/score3.c (score3_address_p): Rename to...
281         (score3_legitimate_address_p): ... this.
282         * config/score/score7.c (score7_address_p): Rename to...
283         (score7_legitimate_address_p): ... this.
284
285         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
286         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
287         GO_IF_LEGITIMATE_ADDRESS): Delete.
288         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
289         thumb2_legitimate_address_p): Delete.
290         (arm_legitimate_address_p): Rename to...
291         (arm_legitimate_address_outer_p): ... this.
292         * config/arm/constraints.md ("Uq"): Adjust call.
293         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
294         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
295         (arm_legitimate_address_outer_p): ... this.
296         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
297         (TARGET_LEGITIMATE_ADDRESS_P): New.
298
299         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
300         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
301         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
302         (TARGET_LEGITIMATE_ADDRESS_P): New.
303
304         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
305         * config/vax/vax-protos.h (legitimate_address_p): Remove.
306         * config/vax/vax.c (legitimate_address_p): Rename to...
307         (vax_legitimate_address_p): ... this, make static.
308         (TARGET_LEGITIMATE_ADDRESS_P): New.
309
310         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
311         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
312         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
313         (TARGET_LEGITIMATE_ADDRESS_P): New.
314
315         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
316         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
317         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
318         (mmix_legitimate_address_p): ... this, make static.
319         (TARGET_LEGITIMATE_ADDRESS_P): New.
320
321         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
322         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
323         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
324         (TARGET_LEGITIMATE_ADDRESS_P): New.
325
326 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
327
328         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
329         of MODE_COMPLEX_INT.
330
331 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
332
333         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
334         LCT_NORMAL in function call.
335         * mips-tdump.c (print_file_desc): Add cast to enum type.
336         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
337         (mark_stabs): Add casts to enum types.
338         (parse_stabs_common): Add casts to enum types.
339
340 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
341
342         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
343         Check for invalid values of LETTER.
344
345 2009-05-13  Taras Glek  <tglek@mozilla.com>
346
347         * attribs.c (register_attribute): moved out attribute registration into
348         register_attribute.
349         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
350         * gcc-plugin.h: Added forward decl for register_attribute.
351         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
352         * plugin.c (register_callback, invoke_plugin_callbacks): Added
353         PLUGIN_ATTRIBUTES boilerplate.
354
355 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
356
357         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
358         values even in sentinel and empty entries.
359         (ms_printf_flag_specs):  Likewise.
360         (ms_scanf_flag_specs):  Likewise.
361         (ms_strftime_flag_specs):  Likewise.
362         (ms_print_char_table):  Likewise.
363         (ms_scan_char_table):  Likewise.
364         (ms_time_char_table):  Likewise.
365
366 2009-05-13  Doug Kwan  <dougkwan@google.com>
367
368         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
369
370 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
371
372         * config/mips/mips.md (store): Add attributes for QI and HI.
373         Update comment.
374         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
375         (truncdi<mode>2): ... this new pattern.
376
377 2009-05-13  Brad Hards  <bradh@kde.org>
378
379         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
380
381 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
382             Ben Elliston <bje@au.ibm.com>
383
384         PR middle-end/40035
385         * dse.c (check_mem_read_rtx): Guard against width == -1.
386
387 2009-05-13  Michael Matz  <matz@suse.de>
388
389         PR middle-end/39976
390         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
391         (trivially_conflicts_p): New function.
392         (insert_backedge_copies): Use it.
393
394 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
395
396         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
397         (handle_stdc_pragma): Use new enum constant names.
398         (handle_pragma_float_const_decimal64): Ditto.
399
400 2009-05-13  Ian Lance Taylor  <iant@google.com>
401
402         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
403         tree.def.
404
405 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
406
407         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
408         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
409         multilibs.
410         * config/m68k/m68k.h (FL_UCLINUX): Define.
411
412 2009-05-13  Jan Hubicka  <jh@suse.cz>
413
414         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
415
416 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
417
418         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
419         unless -fschedule-insns is specified.
420
421 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
422
423         PR target/39561
424         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
425         TARGET_EXPAND_CBRANCHDI4.
426         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
427         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
428         (cmpeqdi): Fix comment.
429
430 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
431
432         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
433         (sh_legitimate_address_p): Likewise.
434         * config/sh/sh.c (sh_legitimate_index_p): New.
435         (sh_legitimate_address_p): Likewise.
436         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
437         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
438         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
439         (MAYBE_BASE_REGISTER_RTX_P): New macro.
440         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
441         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
442         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
443         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
444         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
445
446 2009-05-12  Jan Hubicka  <jh@suse.cz>
447
448         * tree-inline.c (estimate_operator_cost): Add operands;
449         when division happens by constant, it is cheap.
450         (estimate_num_insns): Loads and stores are not having cost of 0;
451         EH magic stuff is cheap; when computing runtime cost of switch,
452         use log2 base of amount of its cases; builtin_expect has cost of 0;
453         compute cost for moving return value of call.
454         (init_inline_once): Initialize time_based flags.
455         * tree-inline.h (eni_weights_d): Add time_based flag.
456
457 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
458
459         * df-core.c: Update head documentation.
460
461 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
462
463         PR bootstrap/40118
464         * rs6000.c (rs6000_generate_compare): Use op1b instead of
465         shadowing exisiting variable op1.
466
467 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
468
469         PR target/37179
470         * config/i386/driver-i386.c (processor_signatures): New enum.
471         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
472         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
473         processor signature to detect geode processor.
474
475 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
476
477         Revert:
478
479         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
480
481         * optabs.c (prepare_cmp_insn): Temporarily disable test that
482         causes spurious differences between trunk and cond-optab branch.
483
484 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
485
486         * dojump.c (compare_from_rtx): Delete.
487         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
488         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
489         if the comparison does not satisfy the predicate; test predicates for
490         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
491         further if one existing pattern fails.
492         * expr.h (compare_from_rtx): Delete.
493         (prepare_operand): Declare it.
494         * optabs.c: Change "lib call" to "libcall" throughout.
495         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
496         HAVE_conditional_trap, emit_cmp_insn): Delete.
497         (can_compare_p): Delete cmp_optab case.
498         (prepare_float_lib_cmp): Return an rtx and a machine mode.
499         Accept other parameters by value.
500         (prepare_operand): Make non-static.
501         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
502         other parameters by value.  Try to widen operands here based on
503         an optab_methods argument and looking at cbranch_optab.
504         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
505         loop.  Use cbranch_optab directly.
506         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
507         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
508         assertion.
509         (emit_conditional_move, emit_conditional_add): Inline what's needed
510         of compare_from_rtx, using new prepare_cmp_insn for the rest.
511         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
512         with COMPARE.  Move cmov_optab and cstore_optab above
513         with cbranch_optab, move cmp_optab down with ucmp_optab,
514         remove tst_otpab.  Do not initialize trap_rtx.
515         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
516         for trap code.  Do not check HAVE_conditional_trap.  Use
517         prepare_cmp_insn.  Accept no predicate for operand 3.
518         * optabs.h (OTI_cmp): Mark as used only for libcalls.
519         (OTI_ctrap, ctrap_optab): New.
520         (tst_optab): Delete.
521         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
522         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
523         with lookup of ctrap_optab.
524         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
525         setcc_gen_code): Delete.
526         (ctrap_optab): New.
527
528         * combine.c (combine_simplify_rtx, simplify_set): Do not
529         special case comparing against zero for cc0 machines.
530         * simplify-rtx.c (simplify_binary_operation_1): Never remove
531         COMPARE on cc0 machines.
532         (simplify_relational_operation): Return a new expression when
533         a COMPARE could be removed.
534         * final.c (final_scan_insn): Compare cc_status values
535         against LHS of a (compare FOO (const_int 0)) cc0 source.
536         Also check if cc_status.value is the full compare.
537
538         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
539         (cstoreMM4): Document.
540         (conditional_trap): Document ctrapMM4 instead.
541         (sync_compare_and_swapMM): Refer to cbranchcc4.
542         (Dependent Patterns): Eliminate obsolete information referring to
543         the old jump optimization phase.
544         (Canonicalization): Include cbranchcc4 case, omit canonicalization
545         of compares with 0 on cc0 machines.
546         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
547         avoiding references to cc0.  Remove text about storing operands
548         in cmpMM.
549         * doc/tm.texi (Condition Codes): Include blurb on different
550         condition code representations, separate into subsections for
551         CC0, MODE_CC and conditional execution.
552
553         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
554         alpha_emit_setcc): Accept operands and a machine mode.
555         * config/alpha/alpha.c (alpha_emit_conditional_branch):
556         Get code/op0/op1 from operands, use machine mode argument
557         instead of alpha_compare.fp_p.  Emit the branch here.
558         (alpha_emit_setcc): Likewise, and return boolean.
559         (alpha_emit_conditional_move): Likewise.  Assert that
560         cmp_op_mode == cmp_mode, and simplify accordingly.
561         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
562         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
563         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
564         Delete.
565         (stack probe test): Use cbranchdi4.
566         * config/alpha/predicates.md (alpha_cbranch_operator): New.
567
568         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
569         * config/arc/arc.h (movsicc, movsfcc): Use it.
570         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
571         (cbranchsi4, cstoresi4): New.
572         (cmpsi, bCC and sCC expanders): Remove. 
573
574         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
575         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
576         * config/arm/predicates.md (arm_comparison_operator): Only include
577         floating-point operators if there is a hardware floating-point unit.
578         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
579         deferring to cbranch_cc and cstore_cc respectively.
580         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
581         cbranch_cc, cstore_cc): New.
582         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
583         arm_compare_op1.
584         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
585
586         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
587         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
588         as an argument.
589         (adjust_insn_length): Adjust calls.
590         (avr_reorg): Handle (compare (foo) (const_int 0)).
591         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
592         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
593         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
594         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
595         (bCC): Remove.
596         (cbranchqi4, cbranchhi4, cbranchsi4): New.
597         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
598
599         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
600         (cbranchsi4, cstorebi4, cstoresi4): New.
601         (movbisi): This insn is duplicate, split it to zero_extend.
602         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
603         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
604         (bfin_optimize_loop): Use cbranch expander.
605         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
606         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
607         (bfin_bimode_comparison_operator): ... this.
608         (bfin_direct_comparison_operator): New.
609  
610         * config/cris/cris.c (cris_normal_notice_update_cc): Look
611         inside (compare FOO (const_int 0)).
612         (cris_rtx_costs): Handle ZERO_EXTRACT.
613         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
614         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
615         (*tstdi_v32): Delete.
616         (*cmpdi_non_v32): Add M alternative for operand 1.
617         (cmpsi, cmp<mode>): Make private.
618         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
619         with COMPARE.
620         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
621
622         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
623         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
624         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
625         (cc_reg_operand): New.
626         (any_cond): Delete.
627         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
628         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
629         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
630         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
631         crx_expand_scond): Delete.
632
633         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
634         (cbranchsi4): New.
635         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
636         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
637
638         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
639         cstoresi4, cstoresf4, cstoredf4): New.
640         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
641         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
642         Receive the entire operands array.
643         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
644         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
645         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
646         Get test/op0/op1 from the operands array.
647         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
648
649         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
650         (h8300_expand_store): New.
651         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
652         (const_int 0)).
653         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
654         (h8300_expand_store): New.
655         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
656         or do not try to produce (set (cc0) REG).
657         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
658         change a compare into a move to a scratch register.  Disable some
659         peepholes when comparing with zero.
660         (tstsi, tsthi, tstsi, cmpqi): Make private.
661         (cmphi): Delete.
662         (bCC, sCC): Delete.
663         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
664         cstoresi4): New.
665
666         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
667         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
668         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
669         (ix86_emit_i387_log1p): Use cbranchxf2.
670         (ix86_expand_setcc): Return void.
671         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
672         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
673         cmp<MODEF>, cmpcc): Remove.
674         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
675         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
676         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
677         (sCC and bCC expanders): Remove.
678         (stack_protect_test): Use cbranchcc4.
679
680         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
681         Delete.
682         (ia64_expand_compare): Accept three rtx by reference and return void.
683         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
684         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
685         from *expr.  Update *expr with the BImode comparison to do.
686         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
687         cmptf, bCC, sCC, conditional_trap): Delete.
688         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
689         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
690         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
691         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
692         * config/ia64/predicates.md (ia64_cbranch_operator): New.
693
694         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
695         type of last argument.
696         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
697         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
698         use machine mode argument instead of branch_type.  Remove dead
699         code for floating-point comparisons.
700         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
701         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
702         Remove.
703         (cbranchsi4, cstoresi4): New.
704         * config/iq2000/predicates.md (reg_or_const_operand): New.
705
706         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
707         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
708         (b<code>_op): Rewrite to...
709         (bcc_op): ... this, using match_operator.
710         (s<code>_op): Rewrite to...
711         (scc_op): ... this, using match_operator.
712         (s<code>_24_op): Rewrite to...
713         (scc_op_24): ... this, using match_operator.
714         (s<code>_<mode>): Rewrite to...
715         (cstore<mode>4): ... this, using match_operator.
716         (s<code>_<mode>_24): Rewrite to...
717         (cstore<mode>4_24): ... this, using match_operator.
718         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
719         m32c_unpend_compare, m32c_expand_scc): Delete.
720         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
721         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
722         (m32c_expand_movcc): Change NE to EQ if necessary.
723         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
724
725         * config/m32r/m32r-protos.h (gen_cond_store): New.
726         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
727         (gen_cond_store): New, from sCC patterns.
728         (m32r_expand_block_move): Use cbranchsi4.
729         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
730         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
731         (cbranchsi4, cstoresi4): New.
732         
733         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
734         Delete.
735         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
736         (m68hc11_notice_update_cc): Look into a compare with 0.
737         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
738         Delete.
739         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
740         cmphi, cmpqi, bCC): Delete.
741         (cbranchsi4, cbranchhi4, cbranchqi4): New.
742         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
743         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
744         sets with COMPARE.
745
746         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
747         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
748         * config/m68k/constraints.md (H): New.
749         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
750         the define_insn below.
751         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
752         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
753         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
754         patterns): Wrap RHS with COMPARE.
755         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
756         (*cmpdi_internal): Name this pattern.
757         (cmpdi): Change to define_insn.
758         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
759         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
760         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
761         predicate.
762         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
763         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
764         (conditional_trap): Change to...
765         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
766         (*conditional_trap): Use the ordered_comparison_operator and
767         const1_operand predicates.
768         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
769         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
770         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
771         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
772
773         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
774         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
775         (mcore_gen_compare): New. 
776         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
777         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
778         (mcore_gen_compare): ... this.
779         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
780         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
781         (stack probe pattern): Use cbranchsi4.
782
783         * config/mips/predicates.md (mips_cstore_operator): New.
784         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
785         * config/mips/mips.md (any_cond): Delete.
786         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
787         always succeed.
788         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
789         fixuns_truncsfdi2): Use cbranch patterns.
790         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
791         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
792         Adjust call to mips_expand_conditional_branch.
793         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
794         cstore<GPR:mode>4.
795         * config/mips/mips-protos.h (mips_expand_conditional_branch,
796         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
797         * config/mips/mips.c (cmp_operands): Delete.
798         (mips_emit_compare): Get comparison operands from *op0/*op1.
799         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
800         that it succeeds.  Use op0/op1 instead of cmp_operands.
801         (mips_expand_conditional_branch, mips_expand_conditional_move,
802         mips_expand_conditional_trap): Likewise.
803         (mips_block_move_loop): Use cbranch patterns. 
804         * config/mips/mips.h (cmp_operands): Delete.
805
806         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
807         (mmix_gen_compare_reg): Just return a register in the right CC mode.
808         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
809         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
810         (*cmpcc_folded): Rename to...
811         (*cmpdi_folded): this.
812         (*cmpcc): Rename to...
813         (*cmps): ... this.
814         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
815         (bCC): Remove.
816         (cbranchdi4): New.
817         (cbranchdf4): New.  Handle invalid comparisons here.
818         * config/mmix/predicates.md (float_comparison_operator): New.
819
820         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
821         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
822         * config/mn10300/mn10300.md (tst): Delete.
823         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
824         Name these patterns and wrap RHS in a compare.
825         (*cmpsi): Make this pattern private.  Include tst.
826         (*cmpsf): Make this pattern private.
827         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
828         (compare with zero peepholes): Likewise.
829         (bCC): Remove.
830         (cbranchsi4, cbranchsf4): New.
831         (casesi): Use cbranchsi4.
832
833         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
834         hppa_branch_type): Delete.
835         (return_addr_rtx): Use cbranchsi4.
836         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
837         Emit CCFPmode comparison here.
838         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
839         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
840         hppa_branch_type): Delete.
841         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
842         (movsicc, movdicc): Remove references to hppa_compare_op0,
843         hppa_compare_op1 and compare_from_rtx.
844         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
845         (casesi): Use cbranchsi4.
846
847         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
848         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
849         * config/pdp11/pdp11.md (register_or_const0_operand): New.
850         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
851         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
852         (bCC): Delete.
853         (cbranchdf4, cbranchhi4, cbranchqi4): New.
854         (*branch, *branch_inverted): New.
855
856         * config/picochip/picochip.md (cbranchhi4): Use
857         ordered_comparison_operator.
858         (cmphi, bCC): Remove.
859
860         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
861         (trap_comparison_operator): Delete.
862         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
863         rs6000_emit_cbranch): Accept mode and operands.
864         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
865         rs6000_compare_fp_p): Delete.   
866         (rs6000_generate_compare): Accept mode and comparison.  Extract code
867         and op0/op1 from there.  Replace references to rs6000_compare_op0
868         and rs6000_compare_op1.
869         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
870         extract result from passed operands.
871         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
872         extract loc from passed operands.
873         (rs6000_emit_cmove): Likewise.
874         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
875         rs6000_compare_fp_p): Delete.
876         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
877         (cbranch<GPR>4, cbranch<FP>4): New.
878         (cstore<mode>4): New.  Consolidate here all choices about when to use
879         portable or specialized sCC sequences.
880         (stack_protect_test): Use cbranchsi4.
881         (conditional_trap): Replace with ctrap<GPR>4.
882         (conditional trap insn): Replace trap_comparison_operator with
883         ordered_comparison_operator. 
884
885         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
886         (s390_emit_prologue): Use ctrap.
887         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
888         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
889         New predicates replacing...
890         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
891         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
892         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
893         (add<mode>cc): Do not use s390_compare_op0/op1.
894         (s<code>): Change to...
895         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
896         (seq): Change to...
897         (cstorecc4): ... this.  Handle EQ or NE equally.
898         (*sne): Un-privatize for use in cstorecc4.
899         (b<code>): Change to...
900         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
901         (conditional_trap): Replace with...
902         (ctrap<GPR>4, ctrap<FP>4): ... these.
903         (stack_protect): Use cbranchcc4.
904
905         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
906         * config/score/score-protos.h (score_gen_cmp): Delete.
907         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
908         (score_block_move-loop): Use cbranchsi4.
909         * config/score/score.md (cbranchsi4): New.
910         (cmpsi, bCC): Delete.
911         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
912         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
913         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
914         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
915         * config/score/score3.h (score3_gen_cmp): Delete.
916         * config/score/score7.h (score7_gen_cmp): Delete.
917
918         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
919         (sh_emit_scc_to_t): ... this.  Return void.
920         (from_compare): Rename to...
921         (sh_emit_compare_and_branch): ... this.
922         (sh_emit_compare_and_set): New.
923         (sh_expand_t_scc): Accept operands.
924         * config/sh/predicates.md (sh_float_comparison_operator): New.
925         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
926         (prepare_scc_operands): Rename to...
927         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
928         arguments.
929         (sh_emit_cheap_store_flag): New.
930         (sh_emit_set_t_insn): New.
931         (from_compare): Rename to...
932         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
933         handling of TARGET_SH2E floating point to avoid recursive call.
934         Generate branch here.
935         (sh_emit_compare_and_set): New.
936         (sh_expand_t_scc): Get op0/op1 from arguments.
937         (sh_emit_cheap_store_flag): New.
938         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
939         cases.
940         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
941         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
942         (movsicc, movdicc): Do nothing when it recreated operands from
943         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
944         prepare_scc_operands (now sh_emit_scc_to_t).
945         (udivdi3): Use cstoresi4.
946         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
947         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
948         (cbranchint4_media, cbranchfp4_media): New.
949         (casesi): Use cbranchdi4.
950         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
951         Delete.
952         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
953         (movnegt): Remove second operand.
954         (cbranchsf4, cbranchdf4): New.
955         (stack_protect): Use cbranchdi4/cbranchsi4.
956
957         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
958         (gen_compare_reg): Accept comparison, extract part of it to...
959         (gen_compare_reg_1): ... this. 
960         (gen_compare_operator): Delete.
961         (gen_v9_scc): Accept separate destination, comparison code and arms.
962         Do not use sparc_compare_op0/sparc_compare_op1.
963         (emit_scc_insn, emit_conditional_branch_insn): New.
964         (emit_v9_brxx): Make static.  Remove useless assertion.
965         (sparc_emit_float_lib_cmp): Return RTL instead of calling
966         emit_cmp_insn.
967         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
968         * config/sparc/sparc-protos.h (gen_compare_reg,
969         sparc_emit_float_lib_cmp): Adjust prototype.
970         (emit_scc_insn, emit_conditional_branch_insn): New.
971         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
972         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
973         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
974         iterators to the top.
975         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
976         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
977         snedi_special_trunc): Delete.
978         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
979         and snedi_special_trunc.
980         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
981         cbranchdi4, cbranch<F:mode>4): New.
982         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
983         here.  Use gen_compare_reg instead of gen_compare_operator.
984         (conditional_trap): Replace with...
985         (ctrapsi4, ctrapdi4): ... this.
986         (stack_protect_test): Use cbranchcc4.
987
988         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
989         argument to rtx.
990         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
991         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
992         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
993         from operands[0] or operands[3] depending on is_set.
994         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
995         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
996         cmpdf, bCC), sCC: Remove.
997         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
998         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
999         cstoredf4): New.
1000         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1001         spu_emit_branch_or_set.
1002
1003         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1004         Add two arguments.
1005         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1006         xstormy16_compare_op1): Delete.
1007         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1008         xstormy16_compare_op1): Delete. 
1009         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1010         Adjust calls.
1011         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1012         (cmphi, cmpsi, bCC): Remove.
1013
1014         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1015         (*cmpsi): ... this one.
1016         (cbranchsi4, cstoresi4): New.
1017         (bCC expanders): Delete.
1018         (sCC insns): Fold into...
1019         (*setcc): ... this one.
1020         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1021         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1022         (movsicc): Simplify.
1023         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1024
1025         * config/vax/vax-protos.h (cond_name): New.
1026         (vax_output_conditional_branch): Remove.
1027         * config/vax/vax.c (cond_name): New.
1028         (vax_output_conditional_branch): Remove.
1029         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1030         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1031         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1032         (bit<VAXint>): Wrap source with (compare).
1033         (b<code> and following unnamed pattern): Rename to *branch and
1034         *branch_reversed.  Change macroization to match_operator.
1035         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1036
1037         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1038         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1039         Change last argument to machine_mode.
1040         (xtensa_expand_scc): Add machine_mode argument.
1041         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1042         (gen_conditional_move, xtensa_expand_conditional_branch,
1043         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1044         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1045         Adjust operand numbers.
1046         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1047         Delete.
1048         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1049         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1050         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1051
1052 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1053
1054         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1055         causes spurious differences between trunk and cond-optab branch.
1056
1057 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1058
1059         PR target/37137
1060         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1061
1062 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1063
1064         * tree.c (iterative_hash_pointer): Delete.
1065         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1066         Hash UIDs and versions of SSA names.  Don't special-case built-in
1067         function declarations.
1068
1069 2009-05-11  Ian Lance Taylor  <iant@google.com>
1070
1071         PR bootstrap/40103
1072         * graphite.c: Force -Wc++-compat to only be a warning before
1073         #including "cloog/cloog.h".
1074
1075 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1076
1077         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1078         
1079 2009-05-11  Jan Hubicka  <jh@suse.cz>
1080
1081         * tree-ssa-loop-ivcanon.c: Include target.h
1082         (struct loop_size): new structure.
1083         (constant_after_peeling): New predicate.
1084         (tree_estimate_loop_size): New function.
1085         (estimated_unrolled_size): Rewrite for new estimates.
1086         (try_unroll_loop_completely): Use new estimates.
1087         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1088
1089 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1090
1091         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1092         libcpp interface change.
1093         (spu_macro_to_expand): Likewise.
1094
1095 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1096
1097         PR tree-optimization/40026
1098         * gimplify.c (gimplify_init_constructor): Change initial conditional
1099         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1100         optimize_compound_literals_in_ctor.
1101
1102 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1103
1104         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1105         New devices.
1106         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1107
1108 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1111         HOST_WIDE_INT for gap.
1112
1113 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1114
1115         PR tree-optimization/40074
1116         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1117         account in group size and step comparison.
1118
1119 2009-05-11  Richard Guenther  <rguenther@suse.de>
1120
1121         * passes.c (init_optimization_passes): Strip now incorrect comment.
1122         (execute_function_todo): Do not set PROP_alias.
1123         * tree-pass.h (PROP_alias): Remove.
1124         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1125         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1126         * tree-nrv.c (pass_return_slot): Likewise.
1127         * tree-object-size.c (pass_object_sizes): Likewise.
1128         * tree-ssa-dom.c (pass_dominator): Likewise.
1129         (pass_phi_only_cprop): Likewise.
1130         * tree-ssa-dse.c (pass_dse): Likewise.
1131         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1132         (pass_cselim): Likewise.
1133         * tree-ssa-pre.c (pass_pre): Likewise.
1134         (pass_fre): Likewise.
1135         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1136         * tree-ssa-sink.c (pass_sink_code): Likewise.
1137         * tree-stdarg.c (pass_stdarg): Likewise.
1138         * tree-tailcall.c (pass_tail_calls): Likewise.
1139         * tree-vrp.c (pass_vrp): Likewise.
1140
1141 2009-05-10  Ian Lance Taylor  <iant@google.com>
1142
1143         * basic-block.h (enum profile_status): Break out of struct
1144         control_flow_graph.
1145         * cgraph.h (struct inline_summary): Break out of struct
1146         cgraph_local_info.
1147         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1148         of struct cgraph_order_sort.
1149         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1150         * cse.c (struct branch_path): Break out of struct
1151         cse_basic_block_data.
1152         * except.h (enum eh_region_type): Break out of struct eh_region.
1153         * gcc.c (enum add_del): Break out of struct modify_target.
1154         * genrecog.c (enum decision_type): Break out of struct decision_test.
1155         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1156         ggc_pch_data.
1157         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1158         * regmove.c (enum match_use): New enum, broken out of struct match.
1159         * sched-int.h (enum post_call_group): New enum, broken out of
1160         struct deps.
1161         (struct deps_reg): Break out of struct deps.
1162         * target.h (struct asm_int_op): Break out of struct gcc_target.
1163         * tree-eh.c (struct goto_queue_node): Break out of struct
1164         leh_tf_state.
1165         * tree-inline.h (enum copy_body_cge_which): Break out of
1166         copy_body_data.
1167         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1168
1169         * c-decl.c (in_struct, struct_types): New static variables.
1170         (pushtag): Add loc parameter.  Change all callers.
1171         (lookup_tag): Add ploc parameter.  Change all callers.
1172         (check_compound_literal_type): New function.
1173         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1174         -Wc++-compat, warn about struct/union/enum types defined within a
1175         struct or union.
1176         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1177         and loc parameters.  Change all callers.  Change error calls to
1178         error_at, using loc.  For a redefinition, if the location of the
1179         original definition is known, report it.  Set in_struct and
1180         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1181         (finish_struct): Add new parameters enclosing_in_struct and
1182         enclosing_struct_types.  Change all callers.  Set
1183         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1184         in the struct.  If in a struct, add this struct to struct_types.
1185         (start_enum): Add loc parameter.  Change all callers.  Use
1186         error_at for errors, using loc.  For a redefinition, if the
1187         location of the original definition is known, report it.  If in a
1188         struct, add this enum type to struct_types.  If -Wc++-compat warn
1189         if in sizeof, typeof, or alignof.
1190         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1191         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1192         (c_parser_enum_specifier): Get enum location for start_enum.
1193         (c_parser_struct_or_union_specifier): Get struct location for
1194         start_struct.  Save in_struct and struct_types status between
1195         start_struct and finish_struct.
1196         (c_parser_cast_expression): Get location of cast.
1197         (c_parser_alignof_expression): Get location of type.
1198         (c_parser_postfix_expression): Likewise.
1199         (c_parser_postfix_expression_after_paren_type): Add type_loc
1200         parameter.  Change all callers.  Call check_compound_literal_type.
1201         Use type_loc for error about variable size type.
1202         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1203         of an enum constant from an enum type defined in a struct or union.
1204         (c_cast_expr): Add loc parameter.  Change all callers.  If
1205         -Wc++-compat, warn about defining a type in a cast.
1206         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1207         (start_enum, start_struct, finish_struct): Update declarations.
1208         (parser_xref_tag, c_cast_expr): Update declarations.
1209         (check_compound_literal_type): Declare.
1210
1211 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1212
1213         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1214         for recent libcpp interface change.
1215         (rs6000_macro_to_expand): Likewise.
1216
1217 2009-05-10  Michael Matz  <matz@suse.de>
1218
1219         PR target/40031
1220         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1221         not at entry of function.
1222
1223 2009-05-10  Richard Guenther  <rguenther@suse.de>
1224
1225         PR tree-optimization/40081
1226         Revert
1227         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1228         using the main variant of the element type.  Do not fiddle with
1229         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1230
1231         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1232         structs with volatile fields.
1233
1234 2009-05-10  Jan Hubicka  <jh@suse.cz>
1235
1236         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1237         (estimate_move_cost): Assert that it does not get called for
1238         VOID_TYPE_P.
1239         (estimate_num_insns): Skip VOID types in argument handling.
1240         (optimize_inline_calls): Delete unreachable blocks and verify that
1241         callgraph is valid.
1242
1243 2009-05-10  Jan Hubicka  <jh@suse.cz>
1244
1245         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1246         * cgraph.c (cgraph_mark_address_taken_node): New function.
1247         (dump_cgraph_node): Dump new flag.
1248         * cgraph.h (struct cgraph_node): Add address_taken.
1249         (cgraph_mark_address_taken_node): New function.
1250         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1251         since new direct calls can be born.
1252
1253 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1254
1255         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1256         tok->val.node.node.
1257
1258 2009-05-10  Jan Hubicka  <jh@suse.cz>
1259
1260         PR middle-end/40084
1261         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1262         argument; rewrite.
1263         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1264         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1265         * tree-inline.c (copy_bb): Set frequency correctly.
1266         (fold_marked_statements): Update call to
1267         cgraph_update_edges_for_call_stmt.
1268
1269 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1270
1271         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1272         identifiers in diagnostics.
1273         * config/arm/arm.c (arm_handle_fndecl_attribute,
1274         arm_handle_isr_attribute): Likewise.
1275         * config/avr/avr.c (avr_handle_progmem_attribute,
1276         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1277         Likewise.
1278         * config/bfin/bfin.c (handle_int_attribute,
1279         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1280         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1281         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1282         Likewise.
1283         * config/darwin.c (darwin_handle_kext_attribute,
1284         darwin_handle_weak_import_attribute): Likewise.
1285         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1286         h8300_handle_eightbit_data_attribute,
1287         h8300_handle_tiny_data_attribute): Likewise.
1288         * config/i386/i386.c (ix86_handle_cconv_attribute,
1289         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1290         Likewise.
1291         * config/i386/winnt.c (ix86_handle_shared_attribute,
1292         ix86_handle_selectany_attribute): Likewise.
1293         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1294         * config/m32c/m32c.c (function_vector_handler): Likewise.
1295         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1296         m68hc11_handle_fntype_attribute): Likewise.
1297         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1298         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1299         * config/mips/mips.c (mips_insert_attributes,
1300         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1301         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1302         rs6000_handle_struct_attribute): Likewise.
1303         * config/sh/sh.c (sh_insert_attributes,
1304         sh_handle_resbank_handler_attribute,
1305         sh_handle_interrupt_handler_attribute,
1306         sh2a_handle_function_vector_handler_attribute,
1307         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1308         Likewise.
1309         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1310         * config/spu/spu.c (spu_handle_fndecl_attribute,
1311         spu_handle_vector_attribute): Likewise.
1312         * config/stormy16/stormy16.c
1313         (xstormy16_handle_interrupt_attribute): Likewise.
1314         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1315         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1316
1317 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1318
1319         * pretty-print.h (struct pretty_print_info): Add
1320         translate_identifiers.
1321         (pp_translate_identifiers): New.
1322         (pp_identifier): Only conditionally translate identifier to locale
1323         character set.
1324         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1325         (pp_base_tree_identifier): Only conditionally translate identifier
1326         to locale character set.
1327         * c-pretty-print.c (M_): Define.
1328         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1329         fragments for conditional translation with M_.
1330         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1331         identifier translation.
1332
1333 2009-05-10  Richard Guenther  <rguenther@suse.de>
1334
1335         PR tree-optimization/40081
1336         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1337         using the main variant of the element type.  Do not fiddle with
1338         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1339
1340 2009-05-09  Jan Hubicka  <jh@suse.cz>
1341
1342         PR middle-end/40080
1343         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1344         indirect calls; verify cgraph afterwards.
1345
1346 2009-05-09  Jan Hubicka  <jh@suse.cz>
1347
1348         PR bootstrap/40082
1349         * ipa.c (update_inlined_to_pointer): New function.
1350         (cgraph_remove_unreachable_nodes): Use it.
1351
1352 2009-05-09  Jan Hubicka  <jh@suse.cz>
1353
1354         * tree-eh.c (struct leh_state): Remove prev_try.
1355         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1356         not track prev_try.
1357         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1358         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1359         remove_eh_handler_and_replace, foreach_reachable_handler,
1360         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1361         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1362         (gen_eh_region_cleanup): Update prototype.
1363
1364 2009-05-09  Jan Hubicka  <jh@suse.cz>
1365
1366         PR middle-end/40043
1367         * except.c (copy_eh_region): Always set prev_try.
1368         (redirect_eh_edge_to_label): Find outer try.
1369         (foreach_reachable_handler): When looking for prev try
1370         handle case where previous try is not going to be taken.
1371
1372 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1373
1374         PR tree-optimization/40049
1375         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1376         only vector/vector shifts, convert the type of the constant to the
1377         appropriate type to avoid building incorrect trees, which
1378         eventually have problems with garbage collection.
1379
1380 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1381
1382         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1383         -1 for complex floating-point types if honoring signed zeros.
1384
1385 2009-05-08  Jan Hubicka  <jh@suse.cz>
1386
1387         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1388         argument; handle correctly when profile is absent.
1389         (build_cgraph_edges): Update.
1390         (rebuild_cgraph_edges): Update.
1391         * cgraph.c: Do not include varray.h.
1392         (cgraph_set_call_stmt_including_clones): New function.
1393         (cgraph_create_edge_including_clones): Likewise
1394         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1395         (cgraph_update_edges_for_call_stmt): Handle clones.
1396         (cgraph_remove_node): Handle clone tree.
1397         (cgraph_remove_node_and_inline_clones): New function.
1398         (dump_cgraph_node): Dump clone tree.
1399         (cgraph_clone_node): Handle clone tree.
1400         (clone_function_name): Bring here from tree-inline.c.
1401         (cgraph_create_virtual_clone): New function.
1402         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1403         (cgraph_clone_info): New function.
1404         (strut cgraph_node): Add clone_info and new clone tree pointers.
1405         (cgraph_remove_node_and_inline_clones,
1406         cgraph_set_call_stmt_including_clones,
1407         cgraph_create_edge_including_clones,
1408         cgraph_create_virtual_clone): Declare.
1409         (cgraph_function_versioning): Use VEC argument.
1410         (compute_call_stmt_bb_frequency): Update prototype.
1411         (cgraph_materialize_all_clones): New function.
1412         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1413         (ipcp_create_replace_map): Update to VECtors.
1414         (ipcp_update_callgraph): Use virtual clones.
1415         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1416         (ipcp_update_profiling): Do not update local profiling.
1417         (ipcp_insert_stage): Use VECtors and virtual clones.
1418         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1419         (clone_of_p): New function.
1420         (cgraph_preserve_function_body_p): Use clone tree.
1421         (cgraph_optimize): Materialize clones.
1422         (cgraph_function_versioning): Update for VECtors.
1423         (save_inline_function_body): Use clone tree.
1424         (cgraph_materialize_clone): New function.
1425         (cgraph_materialize_all_clones): Likewise.
1426         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1427         * ipa.c: Include gimple.h.
1428         (cgraph_remove_unreachable_nodes): Use clone tree.
1429         * ipa-prop.c (ipa_note_param_call): Update call to
1430         compute_call_stmt_bb_frequencycall.
1431         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1432         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1433         (copy_bb): Handle updating of clone tree; add new edge when new call
1434         appears.
1435         (expand_call_inline): Be strict about every call having edge.
1436         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1437         (delete_unreachable_blocks_update_callgraph): New function.
1438         (tree_function_versioning): Use VECtors; always remove unreachable
1439         blocks and fold conditionals.
1440         * tree-inline.h: Do not include varray.h.
1441         (tree_function_versioning): Remove.
1442         * Makefile.in (GTFILES): Remove tree-inline.c
1443         * passes.c (do_per_function): Do only functions having body.
1444         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1445         tree.
1446
1447 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1448             Andrew Morrow  <acm@google.com>
1449
1450         PR c/36892
1451         * c-common.c (c_common_attribute_table): Permit deprecated
1452         attribute to take an optional argument.
1453         (handle_deprecated_attribute): If the optional argument to
1454         __attribute__((deprecated)) is not a string ignore the attribute
1455         and emit a warning.
1456
1457         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1458         * c-typeck.c (build_component_ref): Likewise.
1459         (build_external_ref): Likewise.
1460
1461         * toplev.c (warn_deprecated_use): Add an attribute argument.
1462         Emit the message associated with __attribute__((deprecated)).
1463
1464         * toplev.h (warn_deprecated_use): Updated.
1465
1466         * doc/extend.texi: Document new optional parameter to
1467         __attribute__((deprecated))
1468
1469 2009-05-08  Michael Eager <eager@eagercon.com>
1470
1471         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1472         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1473
1474 2009-05-08  Richard Guenther  <rguenther@suse.de>
1475
1476         PR tree-optimization/40062
1477         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1478         Avoid exponential behavior.
1479
1480 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1481
1482         PR rtl-optimization/33928
1483         PR 26854
1484         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1485         process_uses, build_single_def_use_links): New.
1486         (update_df): Update use_def_ref.
1487         (forward_propagate_into): Use get_def_for_use instead of use-def
1488         chains.
1489         (fwprop_init): Call build_single_def_use_links and let it initialize
1490         dataflow.
1491         (fwprop_done): Free use_def_ref.
1492         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1493         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1494         df_rd_simulate_one_insn): New.
1495         (df_rd_bb_local_compute_process_def): Update head comment.
1496         (df_chain_create_bb): Use the new RD simulation functions.
1497         * df.h (df_rd_simulate_artificial_defs_at_top, 
1498         df_rd_simulate_one_insn): New.
1499         * opts.c (decode_options): Enable fwprop at -O1.
1500         * doc/invoke.texi (-fforward-propagate): Document this.
1501
1502 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1503
1504         PR c/24581
1505         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1506         and one complex operand specially.
1507         * tree-complex.c (some_nonzerop): Do not identify a real value as
1508         zero if flag_signed_zeros.
1509
1510 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1511
1512         PR rtl-optimization/33928
1513         * loop-invariant.c (record_use): Fix && vs. || mishap.
1514
1515 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1516
1517         PR rtl-optimization/33928
1518         * loop-invariant.c (struct use): Add addr_use_p.
1519         (struct def): Add n_addr_uses.
1520         (struct invariant): Add cheap_address.
1521         (create_new_invariant): Set cheap_address.
1522         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1523         (record_uses): Pass df_ref to record_use.
1524         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1525         used only as such.
1526
1527 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1528
1529         * config/sh/sh.c: Do not include c-pragma.h.
1530
1531 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1532
1533         * config/spu/spu.c: Remove include of c-common.h.
1534
1535 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1536
1537         PR c/39037
1538         * c-common.h (mark_valid_location_for_stdc_pragma,
1539         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1540         clear_float_const_decimal64, float_const_decimal64_p): New.
1541         * c.opt (Wunsuffixed-float-constants): New.
1542         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1543         unsuffixed float constant, handle new warning.
1544         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1545         * c-decl.c (c_scope): New flag float_const_decimal64.
1546         (set_float_const_decimal64, clear_float_const_decimal64,
1547         float_const_decimal64_p): New.
1548         (push_scope): Set new flag.
1549         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1550         to use STDC pragmas.
1551         (c_parser_external_declaration): Ditto.
1552         (c_parser_compound_statement_nostart): Ditto.
1553         * c-pragma.c (valid_location_for_stdc_pragma,
1554         mark_valid_location_for_stdc_pragma,
1555         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1556         handle_pragma_float_const_decimal64): New.
1557         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1558         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1559         set_float_const_decimal64, clear_float_const_decimal64,
1560         float_const_decimal64_p): New dummy functions.
1561         * doc/extend.texi (Decimal Float): Remove statement that the
1562         pragma, and suffix for double constants, are not supported.
1563         * doc/invoke.texi (Warning Options): List new option.
1564         (-Wunsuffixed-float-constants): New.
1565
1566 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1567
1568         * config/i386/i386.c: Do not include c-common.h.
1569
1570 2009-05-07  Mark Heffernan  <meheff@google.com>
1571
1572         * doc/invoke.texi (Debugging Options): Document change of debugging
1573         dump location.
1574         * opts.c (decode_options): Make dump_base_name relative to
1575         aux_base_name directory.
1576
1577 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1578
1579         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1580         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1581
1582 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1583
1584         * Makefile.in (install-plugin): Simplify a bit.
1585
1586 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1587
1588         * Makefile.in (OBJS-common): Add regcprop.o.
1589         (regcprop.o): New.
1590         * timevar.def (TV_CPROP_REGISTERS): New.
1591         * regrename.c (regrename_optimize): Return 0.
1592         (rest_of_handle_regrename): Delete.
1593         (pass_rename_registers): Point to regrename_optimize.
1594         (struct value_data_entry, struct value_data, 
1595         kill_value_one_regno, kill_value_regno, kill_value,
1596         set_value_regno, init_value_data, kill_clobbered_value,
1597         kill_set_value, kill_autoinc_value, copy_value,
1598         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1599         replace_oldest_value_reg, replace_oldest_value_addr,
1600         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1601         debug_value_data, validate_value_data): Move...
1602         * regcprop.c: ... here.
1603         (rest_of_handle_cprop): Delete.
1604         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1605
1606 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR middle-end/40057
1609         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1610         GEN_INT for 1 << bitnum.
1611         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1612         build_int_cst_type.
1613
1614 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1615
1616         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1617         Remove wrong description of "nand" operation.
1618
1619 2009-05-06  Richard Guenther  <rguenther@suse.de>
1620             Adam Nemet  <anemet@caviumnetworks.com>
1621
1622         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1623         comment.  Add that if LHS is not a gimple register, then RHS1 has
1624         to be a single object (GIMPLE_SINGLE_RHS).
1625
1626 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1627
1628         * expr.c (get_def_for_expr): Move it up in the file.
1629         (store_field): When expanding a bit-field store, look at the
1630         defining gimple stmt for the masking conversion.
1631
1632 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1633
1634         PR middle-end/39986
1635         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1636         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1637         32-bit memcpy into long.
1638
1639 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1640
1641         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1642         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1643         new_reg_loc_descr.
1644         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1645         instead of appending DW_OP_deref*.
1646
1647 2009-05-06  Michael Matz  <matz@suse.de>
1648
1649         PR middle-end/40021
1650         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1651         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1652
1653 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1654
1655         * Makefile.in (install-plugin): Fix srcdir handling.
1656
1657 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1658
1659         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1660         when processing for not_regs_needed bitmap.
1661         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1662         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1663         handling it for rhs. 
1664
1665 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1666
1667         * config/i386/i386.md (unnamed inc/dec peephole): Use
1668         optimize_insn_for_size_p instead of optimize_size.
1669         * config/i386/predicates.md (incdec_operand): Likewise.
1670         (aligned_operand): Likewise.
1671         * config/i386/sse.md (divv8sf3): Likewise.
1672         (sqrtv8sf2): Likewise.
1673
1674 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1677
1678         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1679
1680 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1681
1682         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1683         ssemodesuffixf2c with avxmodesuffixf2c.
1684
1685 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1686
1687         PR c/40032
1688         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1689
1690 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1691
1692         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1693         (struct tree_base): Adjust spacing for 8 bit boundaries.
1694         (struct tree_decl_common): Add decl_by_reference_flag bit.
1695         (DECL_BY_REFERENCE): Adjust.
1696         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1697         print DECL_BY_REFERENCE bit.
1698         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1699         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1700         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1701         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1702         unconditionally.
1703
1704         PR middle-end/39666
1705         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1706         range of the type, but default label is missing, add it with one
1707         of the existing labels instead of adding a new label for it.
1708
1709 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1710
1711         * dwarf.h: Remove.
1712
1713 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1714
1715         * Makefile.in (enable_plugin, plugin_includedir): New.
1716         (install): Depend on install-plugin.
1717         (PLUGIN_HEADERS): New.
1718         (install-plugin): New.
1719         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1720
1721 2009-05-05  Richard Guenther  <rguenther@suse.de>
1722
1723         PR tree-optimization/40022
1724         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1725         the only vuse.
1726         (phivn_valid_p): Fix tuplification error, simplify.
1727         (phiprop_insert_phi): Add dumps.
1728         (propagate_with_phi): Simplify.
1729
1730 2009-05-05  Richard Guenther  <rguenther@suse.de>
1731
1732         PR middle-end/40023
1733         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1734
1735 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1736
1737         * tree.h (strip_float_extensions): Remove duplicate declaration.
1738         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1739         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1740         block_ultimate_origin): Rearrange the declarations line to match the
1741         comment that indicates the .c file which the functions are defined.
1742         (dwarf2out_*, set_decl_rtl): Add comment.
1743         (get_base_address): Adjust comment.
1744         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1745         declarations line and add comment.
1746         (is_builtin_name): Add blank after function name, for clarity.
1747
1748 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1749
1750         * attribs.c (decl_attributes): Use %qE for identifiers in
1751         diagnostics.
1752         * cgraphunit.c (verify_cgraph_node): Translate function names to
1753         locale character set in diagnostics.
1754         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1755         diagnostics.
1756         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1757         Document that functions are named in UTF-8.
1758         * expr.c (expand_expr_real_1): Translate function names to locale
1759         character set in diagnostics.
1760         * gimplify.c (omp_notice_variable, omp_is_private,
1761         gimplify_scan_omp_clauses): Use %qE for identifiers in
1762         diagnostics.
1763         * langhooks.c (lhd_print_error_function): Translate function names
1764         to locale character set.
1765         * langhooks.h (decl_printable_name): Document that return value is
1766         in internal character set.
1767         * stmt.c: Include pretty-print.h
1768         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1769         diagnostics.
1770         (resolve_operand_name_1): Translate named operand name to locale
1771         character set.
1772         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1773         diagnostics.
1774         * toplev.c (announce_function): Translate function names to locale
1775         character set.
1776         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1777         (default_tree_printer): Use pp_identifier or translate identifiers
1778         to locale character set.  Mark "<anonymous>" for translation.
1779         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1780         for identifiers in diagnostics.
1781         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1782         diagnostics.
1783         * varasm.c (output_constructor): Use %qE for identifiers in
1784         diagnostics.
1785
1786 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1787
1788         * configure.ac: use ` ` instead of $()
1789         * configure: Regenerate.
1790
1791 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1792
1793         * config/pa/linux-atomic.c: Eliminate conditional include of
1794         errno.h on non-LP64 systems to simplify build requirements.
1795
1796 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1797
1798         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1799         diagnostics.
1800         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1801         and pass value to identifier_to_locale.
1802         (warn_variable_length_array): Make name a tree.
1803         (grokdeclarator): Separate diagnostic texts for named and unnamed
1804         declarators.  Use %qE for named declarators.
1805         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1806         diagnostics.
1807         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1808         identifiers in diagnostics.
1809         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1810         identifier_to_locale.  Mark "anonymous" strings for translation.
1811
1812 2009-05-04  Michael Eager <eager@eagercon.com>
1813
1814         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1815         address for DImode/DFmode only if double-precision FP regs.
1816
1817 2009-05-04  Michael Eager <eager@eagercon.com>
1818
1819         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1820         TARGET_SINGLE_FLOAT check.
1821
1822 2009-05-04  Michael Eager <eager@eagercon.com>
1823
1824         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1825
1826 2009-05-04  Michael Eager <eager@eagercon.com>
1827
1828         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1829         * config/rs6000/t-xilinx: New
1830
1831 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1832
1833         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1834         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1835         * gcc/explow.c (memory_address): Use target hook.
1836         * gcc/targhooks.c (default_legitimize_address): New.
1837         * gcc/targhooks.h (default_legitimize_address): New.
1838         * gcc/target.h (legitimize_address): New.
1839         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1840         (TARGET_INITIALIZER): Include it.
1841         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1842
1843         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1844         * config/bfin/bfin.c (legitimize_address): Remove.
1845         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1846         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1847         Remove.
1848         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1849         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1850
1851         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1852         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1853         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1854         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1855         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1856         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1857         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1858         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1859         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1860         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1861         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1862         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1863         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1864         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1865         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1866         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1867         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1868         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1869         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1870         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1871         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1872         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1873         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1874
1875         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1876         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1877         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1878         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1879         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1880         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1881         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1882         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1883         (thumb_legitimize_address): Delete.
1884         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1885         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1886         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1887         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1888         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1889         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1890         Delete.
1891         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1892         Delete.
1893
1894         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1895         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1896         * config/m32r/m32r.c (m32r_legitimize_address): New.
1897         * config/m68k/m68k.c (m68k_legitimize_address): New.
1898         * config/score/score.c (score_legitimize_address): Standardize.
1899         * config/score/score3.c (score3_legitimize_address): Standardize.
1900         * config/score/score3.h (score3_legitimize_address): Adjust.
1901         * config/score/score7.c (score7_legitimize_address): Standardize.
1902         * config/score/score7.h (score7_legitimize_address): Adjust.
1903         * config/sh/sh.c (sh_legitimize_address): New.
1904         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1905
1906         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1907         (s390_legitimize_address): ... this.
1908         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1909         (sparc_legitimize_address): ... this.
1910         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1911         (ix86_legitimize_address): ... this.
1912         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1913         (avr_legitimize_address): ... this.
1914         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1915         (mn10300_legitimize_address): ... this.
1916         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1917         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1918         (alpha_expand_mov): Adjust call.
1919
1920         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1921         * config/spu/spu.c (spu_legitimize_address): Likewise.
1922         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1923         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1924
1925 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1926
1927         * intl.c (locale_encoding, locale_utf8): New.
1928         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1929         * intl.h (locale_encoding, locale_utf8): Declare.
1930         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1931         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1932         New.
1933         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1934         argument.
1935         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1936         (pp_base_tree_identifier): Declare as function.
1937         (identifier_to_locale): Declare.
1938         * Makefile.in (pretty-print.o): Update dependencies.
1939         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1940
1941 2009-05-04  Richard Guenther  <rguenther@suse.de>
1942
1943         PR middle-end/40015
1944         * builtins.c (fold_builtin_memory_op): Do not decay to element
1945         type if the size matches the whole array.
1946
1947 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1948
1949         * expmed.c (synth_mult): When trying out a shift, pass the result
1950         of a signed shift.
1951
1952 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1953
1954         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1955         (shiftsub1_cost): New.
1956         (init_expmed): Compute shiftsub1_cost.
1957         (synth_mult): Optimize multiplications by constants of the form
1958         -(2^^m-1) for some constant positive integer m.
1959
1960 2009-05-03  Richard Guenther  <rguenther@suse.de>
1961
1962         PR c/39983
1963         * c-typeck.c (array_to_pointer_conversion): Do not built
1964         ADDR_EXPRs of arrays of pointer-to-element type.
1965         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1966         up wrong ADDR_EXPRs after-the-fact.
1967         * c-common.c (strict_aliasing_warning): Strip pointer
1968         conversions for obtaining the original type.
1969         * builtins.c (fold_builtin_memset): Handle array types.
1970         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1971         and array types
1972
1973 2009-05-03  Richard Guenther  <rguenther@suse.de>
1974
1975         PR middle-end/23329
1976         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1977         Do not lose casts from array types with unknown extent to array
1978         types with known extent.
1979         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1980         alias set compatibility.
1981
1982 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1983
1984         * flags.h (extra_warnings): Delete.
1985         * toplev.c (process_options): Handle Wuninitialized here.
1986         * opts.c (extra_warnings): Delete.
1987         (set_Wextra): Delete.
1988         (common_handle_option): -Wextra can be handled automatically.
1989         * c-opts.c (c_common_handle_option): Delete obsolete code.
1990         (c_common_post_options): Simplify comment.
1991         * common.opt (W): Add Var.
1992         (Wextra): Add Var.
1993         (Wuninitialized): Initialize to -1.
1994
1995 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1996             Richard Guenther  <rguenther@suse.de>
1997
1998         * expr.c (get_def_for_expr): New function.
1999         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2000         SSA rather than trees.
2001         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2002         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2003         
2004 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2005
2006         * c-common.c (reswords): Add _Imaginary.
2007         * c-common.c (enum rid): Add RID_IMAGINARY.
2008
2009 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2010
2011         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2012         Patch by Richard Guenther.
2013
2014 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2015
2016         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2017         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2018         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2019         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2020         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2021         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2022         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2023         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2024         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2025         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2026         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2027         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2028         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2029         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2030         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2031         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2032         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2033         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2034
2035 2009-05-02  Richard Guenther  <rguenther@suse.de>
2036
2037         PR tree-optimization/39940
2038         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2039         doing so.
2040
2041 2009-05-02  Richard Guenther  <rguenther@suse.de>
2042
2043         PR middle-end/40001
2044         * tree-ssa.c (execute_update_addresses_taken): Properly check
2045         if we can mark a variable DECL_GIMPLE_REG_P.
2046         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2047         back to the end of the function.
2048         (is_gimple_reg_type): Remove complex type special casing.
2049         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2050         if not optimizing.
2051
2052 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2053
2054         * doc/collect2.texi (Collect2): Document search path behaviour
2055         when configured with --with-ld.
2056
2057 2009-05-02  Jan Hubicka  <jh@suse.cz>
2058
2059         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2060         parameter; update callers.
2061         (coalesce_cost_edge): EH edges are costier because they needs
2062         splitting even if not critical and even more costier when there are
2063         multiple EH predecestors.
2064
2065 2009-05-02  Jan Hubicka  <jh@suse.cz>
2066
2067         * except.c (remove_eh_handler_and_replace): Handle updating after
2068         removing TRY blocks.
2069
2070 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2071
2072         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2073
2074 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2075
2076         * varasm.c: Do not include c-pragma.h.
2077         * attribs.c: Do not incude c-common.h.
2078
2079 2009-05-01  Michael Matz  <matz@suse.de>
2080
2081         * calls.c (initialize_argument_information): Handle SSA names like
2082         decls with a non MEM_P DECL_RTL.
2083
2084 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2085
2086         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2087         * ipa-utils.c: Likewise.
2088         * ipa-type-escape.c: Likewise.
2089         * cgraphunit.c Do not include c-common.h.
2090         * ipa-pure-const.c: Likewise.
2091         * tree-if-conv.c: Likewise.
2092         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2093         * ipa-struct-reorg.c: Likewise.
2094         * tree-nomudflap.c: Likewise.
2095         * tree-ssa-structalias.c: Likewise.
2096
2097 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2098
2099         * store-motion.c: Many cleanups to make this pass a first-class
2100         citizen instead of an appendix to gcse load motion.  Add TODO list
2101         to make this pass faster/cleaner/better.
2102
2103         (struct ls_expr): Post gcse.c-split cleanups.
2104         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2105         "stores" field to "avail_stores".
2106         (pre_ldst_mems): Rename to store_motion_mems.
2107         (pre_ldst_table): Rename to store_motion_mems_table.
2108         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2109         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2110         (ldst_entry): Rename to st_expr_entry, update users.
2111         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2112         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2113         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2114         update caller.
2115         (first_ls_expr): Rename to first_st_expr, update users.
2116         (next_ls_expr): Rename to next_st_expr, update users.
2117         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2118         fields properly for store motion instead of names inherited from load
2119         motion in gcse.c.
2120         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2121         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2122         are done with it.
2123
2124         (ae_kill): Rename to st_kill, update users.
2125         (ae_gen): Rename to st_avloc, update users.
2126         (transp): Rename to st_transp, update users.
2127         (pre_insert_map): Rename to st_insert_map, update users.
2128         (pre_delete_map): Rename to st_delete_map, update users.
2129         (insert_store, build_store_vectors, free_store_memory,
2130         one_store_motion_pass): Update for abovementioned changes.
2131
2132         (gcse_subst_count, gcse_create_count): Remove.
2133         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2134         and "n_stores_created", local variables.
2135
2136         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2137         use for_each_rtx.
2138
2139         (regvec, compute_store_table_current_insn): Remove.
2140         (reg_set_info, reg_clear_last_set): Remove.
2141         (compute_store_table): Use DF caches instead of local dataflow
2142         solvers.
2143
2144 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2145
2146         * c-objc-common.c (c_tree_printer): Print identifiers with
2147         pp_identifier, not pp_string.  Mark "({anonymous})" for
2148         translation.
2149         * c-pretty-print.c (pp_c_ws_string): New.
2150         (pp_c_cv_qualifier, pp_c_type_specifier,
2151         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2152         pp_c_storage_class_specifier, pp_c_function_specifier,
2153         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2154         pp_c_primary_expression, pp_c_postfix_expression,
2155         pp_c_unary_expression, pp_c_shift_expression,
2156         pp_c_relational_expression, pp_c_equality_expression,
2157         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2158         use pp_string and pp_c_ws_string in place of pp_identifier and
2159         pp_c_identifier for non-identifiers.  Mark English strings for
2160         translation.
2161         * c-pretty-print.h (pp_c_ws_string): Declare.
2162
2163 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2164             Roland McGrath <roland@redhat.com>
2165
2166         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2167         (ENABLE_LD_BUILDID): New configuration option.
2168         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2169         (LINK_BUILDID_SPEC): New macro.
2170         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2171         link_spec.
2172         * doc/install.texi: Document --enable-linker-build-id option.
2173         * configure: Rebuild.
2174         * config.in: Rebuild.
2175
2176 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2177
2178         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2179         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2180         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2181         MIPS_GP_SAVE_AREA_SIZE.
2182         * config/mips/mips.c (struct mips_frame_info): Update comment
2183         before arg_pointer_offset and hard_frame_pointer_offset.
2184         (mips_compute_frame_info): Update diagram before function: to
2185         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2186         indicate the position of frame_pointer_rtx with -fstack-protector and
2187         to show args_size.  Don't allocate cprestore area for leaf functions
2188         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2189         cprestore_size.
2190         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2191
2192 2009-04-30  Michael Matz  <matz@suse.de>
2193
2194         PR tree-optimization/39955
2195         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2196
2197 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2198
2199         * ira.c (setup_cover_and_important_classes):  Use safe macro
2200         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2201         directly.
2202         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2203         REG_CLASS_FOR_CONSTRAINT.
2204
2205 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2206
2207         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2208         instead of an int.
2209         * bitmap.c (bitmap_descriptor): Likewise.
2210         * ggc-common.c (loc_descriptor): Likewise.
2211         * varray.c (varray_descriptor): Likewise.
2212         * vec.c (vec_descriptor): Likewise.
2213
2214 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2215
2216         * Makefile.in (dce.o): Add $(EXCEPT_H).
2217         * dce.c: Include except.h and delete redundant vector definitions.
2218         (deletable_insn_p): Return false for non-call insns that can throw
2219         if DF is running.
2220
2221 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2222
2223         * gcse.c (ae_gen): Remove.
2224         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2225         and make non-static function to make it available in store-motion.c.
2226         Update call sites with search-and-replace.
2227         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2228         extract_mentioned_regs, extract_mentioned_regs_helper,
2229         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2230         store_killed_in_insn, store_killed_after, store_killed_before,
2231         build_store_vectors, insert_insn_start_basic_block, insert-store,
2232         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2233         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2234         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2235         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2236         and clean up to remove parts not used by store motion.
2237         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2238         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2239
2240 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2241
2242         PR target/38571
2243         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2244         when optimizing for size.
2245
2246 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2247
2248         * gcse.c (gcse_constant_p): Fix typo in last change.
2249
2250 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2251
2252         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2253
2254 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2255
2256         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2257
2258 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2259
2260         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2261         CONST_HIGH_PART result.
2262
2263 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2264
2265         * config/avr/avr.c (initial_elimination_offset): Rename to
2266         avr_initial_elimination_offset.
2267         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2268         change return type to bool.
2269         (avr_can_eliminate): New function.
2270         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2271         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2272         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2273         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2274         avr_initial_elimination_offset.
2275         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2276         (avr_initial_elimination_offset): Define.
2277
2278 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2279             Steven Bosscher  <steven@gcc.gnu.org>
2280
2281         PR rtl-optimization/39938
2282         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2283         * cfgrtl.c: Include insn-attr.h.
2284         (rest_of_pass_free_cfg): New function.
2285         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2286         * resource.c (init_resource_info): Remove call to df_analyze.
2287
2288 2009-04-29  Richard Guenther  <rguenther@suse.de>
2289
2290         PR target/39943
2291         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2292         allow conversion to signed integers.
2293
2294 2009-04-29  Richard Guenther  <rguenther@suse.de>
2295
2296         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2297         shifts of floating point vectors if the shift amount is
2298         a constant multiple of the element size.
2299
2300 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2301             Michael Matz  <matz@suse.de>
2302
2303         PR middle-end/39927
2304         PR bootstrap/39929
2305         * tree-outof-ssa.c (emit_partition_copy): New function.
2306         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2307         insert_part_to_rtx_on_edge): Perform the partition base var
2308         copy using emit_partition_copy.
2309         (insert_value_copy_on_edge): Convert constants to the right mode.
2310         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2311         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2312
2313 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2314
2315         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2316         scan backwards to try to find a constant to initialize it.
2317
2318         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2319         insn before the loop_end instruction, don't look past labels.
2320
2321 2009-04-29  Richard Guenther  <rguenther@suse.de>
2322
2323         PR middle-end/39937
2324         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2325         loose type conversions.
2326         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2327         stmts only if there are no uses of its definition.
2328
2329 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2330
2331         * config/bfin/bfin.h (splitting_loops): Declare.
2332         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2333         Reorder bit definitions to be ascending.
2334         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2335         * config/bfin/bfin.c (splitting_loops): New variable.
2336         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2337         (struct loop_info): Remove members INIT and LOOP_INIT.
2338         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2339         the LSETUP sequence.  Allow LC to be loaded from any register, but
2340         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2341         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2342         set to 1.
2343         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2344         of reload_completed.
2345
2346         From Jie Zhang:
2347         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2348
2349 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2350
2351         * Makefile.in (PLUGIN_VERSION_H): New.
2352         (OBJS-common): Remove plugin-version.o.
2353         (plugin.o): Depend on (PLUGIN_VERSION_H).
2354         (plugin-version.o): Remove.
2355         * configure: Regenerate
2356         * configure.ac: Create plugin-version.h.
2357         * gcc-plugin.h (plugin_gcc_version): Remove.
2358         (plugin_default_version_check): Change signature.
2359         * plugin-version.c: Remove.
2360         * plugin.c: Include plugin-version.h.
2361         (str_plugin_gcc_version_name): Remove.
2362         (try_init_one_plugin): Pass gcc version to plugin_init.
2363         (plugin_default_version_check): Both gcc and plugin versions are now
2364         arguments.
2365
2366 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2367         
2368         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2369         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2370         Remove special case testing for last insn of inner loops. Don't fail
2371         if the loop ends with a jump, emit an extra nop instead.
2372
2373         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2374         DREGS rather than comparing directly.  Remove code that tries to
2375         account for latencies.
2376
2377 2009-04-29  Richard Guenther  <rguenther@suse.de>
2378
2379         PR tree-optimization/39941
2380         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2381         eliminating an indirect call.
2382
2383 2009-04-29  Richard Guenther  <rguenther@suse.de>
2384
2385         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2386         parameter.  Allow invariants as base if !require_lvalue.
2387         (verify_gimple_assign_single): Adjust.
2388
2389 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2390
2391         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2392         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2393         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2394         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2395         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2396         a VEC_SELECT.
2397         * config/bfin/bfin.c (bfin_expand_builtin,
2398         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2399
2400 2009-04-28  Richard Guenther  <rguenther@suse.de>
2401
2402         * tree-vect-loop.c (get_initial_def_for_induction): Use
2403         correct types for pointer increment.
2404
2405 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2406
2407         * toplev.c (print_version): Update GMP version string calculation.
2408
2409 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2410
2411         PR rtl-optimization/39938
2412         * resource.c (init_resource_info): Add call to df_analyze.
2413
2414 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2415
2416         * config/alpha/alpha.md (usegp): Cast the result of
2417         alpha_find_lo_sum_using_gp to enum attr_usegp.
2418         * config/alpha/alpha.c (override_options): Remove end-of-structure
2419         marker element from cpu_table.  Use array size of cpu_table to handle
2420         -mcpu and -mtune options.
2421         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2422
2423 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2424
2425         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2426         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2427         tune_32 and tune_64.
2428         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2429         support on PowerPC.
2430         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2431         * config/rs6000/option-defaults.h: ... here.  New file.
2432         (OPT_64, OPT_32): Define.
2433         (MASK_64BIT): Define to 0 if not already defined.
2434         (OPT_ARCH64, OPT_ARCH32): Define.
2435         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2436         and tune_64.
2437
2438 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2439
2440         * config/arm/arm.c (arm_override_options): Emit error on using
2441         fpa with AAPCS.
2442
2443 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2444
2445         PR rtl-optimization/39914
2446         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2447         registers for allocnos created from user-defined variables only
2448         when not optimizing.
2449
2450 2009-04-28  Richard Guenther  <rguenther@suse.de>
2451
2452         PR middle-end/39937
2453         * fold-const.c (fold_binary): Use distribute_real_division only
2454         on float types.
2455
2456 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2457
2458         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2459         add hpux-stdint.h to tm_file.
2460         (hppa[12]*-*-hpux11*): Ditto.
2461         (ia64*-*-hpux*): Ditto.
2462         * config/hpux-stdint.h: New.
2463         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2464         __STDC_EXT__ for all compiles.
2465         * config/pa/pa-hpux.h: Ditto.
2466         * config/pa/pa-hpux10.h: Ditto.
2467         * config/pa/pa-hpux11.h: Ditto.
2468
2469 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2470
2471         * debug.h (set_name): Add comment.
2472
2473 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2474
2475         PR target/39929
2476         * config/darwin.c (machopic_gen_offset): Check
2477         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2478         * config/arm/arm.c (require_pic_register): Likewise.
2479
2480 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2481
2482         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2483         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2484         m32c_promote_prototypes): Delete.
2485
2486 2009-04-28  Michael Matz  <matz@suse.de>
2487
2488         PR middle-end/39922
2489         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2490         constants.
2491
2492 2009-04-28  Richard Guenther  <rguenther@suse.de>
2493
2494         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2495
2496 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2497
2498         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2499         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2500         * config/arm/arm-tune.md: Regenerate.
2501
2502 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2503
2504         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2505         block if there are complex incoming edges.
2506         (sel_merge_blocks): Remove useless assert.
2507         (sel_redirect_edge_and_branch): Check that edge was redirected.
2508         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2509         (sel_find_rgns): Delete declaration.
2510         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2511         the region when it is not a preheader.
2512
2513 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2514
2515         PR c/39323
2516         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2517
2518 2009-04-28  Richard Guenther  <rguenther@suse.de>
2519
2520         * tree.h (SSA_NAME_VALUE): Remove.
2521         (struct tree_ssa_name): Remove value_handle member.
2522         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2523         array for jump threading.
2524         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2525         SSA_NAME_VALUEs.
2526         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2527         * tree-flow.h (threadedge_initialize_values): Declare.
2528         (threadedge_finalize_values): Likewise.
2529         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2530         (SSA_NAME_VALUE): Define.
2531         (threadedge_initialize_values): New function.
2532         (threadedge_finalize_values): Likewise.
2533         * tree-ssa-dom.c (ssa_name_values): New global variable.
2534         (SSA_NAME_VALUE): Define.
2535         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2536
2537 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2538
2539         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2540         Use REPORT_VECTORIZED_LOCATIONS instead 
2541         REPORT_VECTORIZED_LOOPS.
2542         * tree-vectorizer.c (vect_verbosity_level): Make static.
2543         (vect_loop_location): Rename to vect_location.
2544         (vect_set_verbosity_level): Update comment.
2545         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2546         and vect_location.
2547         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2548         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2549         instead REPORT_UNVECTORIZED_LOOPS.
2550         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2551         and vect_loop_def to vect_external_def and vect_internal_def.
2552         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2553         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2554         REPORT_UNVECTORIZED_LOCATIONS.
2555         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2556         and vect_used_in_loop and to vect_unused_in_scope and 
2557         vect_used_in_scope.
2558         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2559         (vect_verbosity_level): Remove declaration.
2560         (vect_analyze_operations): Likewise.
2561         (vect_analyze_stmt): Declare.
2562         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2563         REPORT_UNVECTORIZED_LOCATIONS.
2564         (vect_get_loop_niters): Fix indentation.
2565         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2566         (vect_analyze_loop_operations): New function.
2567         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2568         vect_analyze_operations.
2569         (vect_is_simple_reduction): Use new names.
2570         (vectorizable_live_operation, vect_transform_loop): Likewise.
2571         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2572         to specify whether the data references can be a part of interleaving
2573         chain.
2574         (vect_analyze_data_ref_dependence): Use new names.
2575         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2576         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2577         * tree-vect-patterns.c (widened_name_p): Use new names.
2578         (vect_recog_dot_prod_pattern): Likewise.
2579         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2580         (process_use, vect_mark_stmts_to_be_vectorized, 
2581         vect_model_simple_cost, vect_model_store_cost,
2582         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2583         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2584         vectorizable_operation, vectorizable_type_demotion,
2585         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2586         vectorizable_condition): Likewise.
2587         (vect_analyze_operations): Split into vect_analyze_loop_operations
2588         and ...
2589         (vect_analyze_stmt): ... new function.
2590         (new_stmt_vec_info): Use new names.
2591         (vect_is_simple_use): Use new names and fix comment.
2592         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2593         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2594
2595 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         PR target/39911
2598         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2599         and integer modes for x87 operands.  Do not ICE for unsupported size,
2600         generate error instead.  Generate error for unsupported operand types.
2601         ['z']: Do not handle HImode memory operands specially.  Warning
2602         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2603         types.  Do not ICE for unsupported size, generate error instead.
2604         (output_387_binary_op): Use %Z to output operands.
2605         (output_fp_compare): Ditto.
2606         (output_387_reg_move): Ditto.
2607
2608 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2609
2610         PR c++/35652
2611         Revert:
2612
2613         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2614
2615         * builtins.c (c_strlen): Do not warn here.
2616         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2617         * c-common.c (pointer_int_sum): Take an explicit location.
2618         Warn about offsets out of bounds.
2619         * c-common.h (pointer_int_sum): Adjust declaration.
2620
2621 2009-04-27  Ian Lance Taylor  <iant@google.com>
2622
2623         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2624         names to symkind.
2625         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2626         * df-core.c (df_set_flags): Change return type to int.  Change
2627         type of old_flags to int.
2628         (df_clear_flags): Likewise.
2629         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2630         (df_get_conditional_uses): Likewise.
2631         * df.h (df_set_flags, df_clear_flags): Update declarations.
2632         * dwarf2out.c (struct indirect_string_node): Change type of form
2633         field to enum dwarf_form.
2634         (AT_string_form): Change return type to enum dwarf_form.
2635         * fixed-value.c (fixed_compare): Add cast to enum type.
2636         * fwprop.c (update_df): Change 0 to VOIDmode.
2637         * gensupport.c: Change 0 to UNKNOWN.
2638         * gimple.h (gimple_cond_code): Add cast to enum type.
2639         * haifa-sched.c (reemit_notes): Add cast to enum type.
2640         * hooks.c (hook_int_void_no_regs): Remove function.
2641         * hooks.h (hook_int_void_no_regs): Remove declaration.
2642         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2643         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2644         * real.c (real_arithmetic): Add cast to enum type.
2645         (real_compare): Likewise.
2646         * target.h (struct gcc_target): Change return type of
2647         branch_target_register_class to enum reg_class.
2648         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2649         default_branch_target_register_class.
2650         * targhooks.c (default_branch_target_register_class): New function.
2651         * targhooks.h (default_branch_target_register_class): Declare.
2652         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2653         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2654         cast to int.
2655         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2656         ERROR_MARK.
2657         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2658         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2659         * tree-vect-stmts.c (supportable_widening_operation): Don't
2660         initialize icode1 and icode2.
2661         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2662         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2663         and to STD_C89.
2664         (cmn_err_flag_specs): Change 0 to STD_C89.
2665         (cmn_err_char_table): Likewise.
2666         * config/arm/arm.c (get_arm_condition_code): Change type of code
2667         to enum arm_cond_code.
2668         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2669         (IWMMXT_BUILTIN2): Likewise.
2670         (neon_builtin_type_bits): Don't define typedef.
2671         (neon_builtin_datum): Change type of bits field to int.
2672         (arm_expand_neon_args): Add cast to enum type.
2673         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2674         TLS_MODEL_NONE.
2675         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2676         casts to enum type.
2677         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2678         MIPS_FP_COND_f.
2679         * config/mips/mips.md (jal_macro): Return enum constant.
2680         (single_insn): Likewise.
2681         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2682         CODE_FOR_nothing.
2683         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2684         casts to enum type.
2685         * config/s390/s390.c (s390_tune_flags): Change type to int.
2686         (s390_arch_flags): Likewise.
2687         (s390_handle_arch_option): Change flags field of struct pta to int.
2688         * config/s390/s390.h (s390_tune_flags): Update declaration.
2689         (s390_arch_flags): Likewise.
2690         * config/sh/sh.c (prepare_move_operands): Compare
2691         tls_symbolic_operand result with enum constant.
2692         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2693         (sh_expand_prologue): Add cast to enum type.
2694         (sh_expand_epilogue): Likewise.
2695         (tls_symbolic_operand): Change return type to enum tls_model.
2696         (fpscr_set_from_mem): Add cast to enum type.
2697         (legitimize_pic_address): Compare tls_symbolic_operand result with
2698         enum constant.
2699         (sh_target_reg_class): Change return type to enum reg_class.
2700         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2701         PROCESSOR_xxx.
2702         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2703         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2704         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2705         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2706         (delayed_branch, tls_call_delay): Likewise.
2707         (eligible_for_sibcall_delay): Likewise.
2708         (eligible_for_return_delay): Likewise. 
2709         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2710         (spu_expand_builtin_1): Likewise.
2711
2712         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2713         for all types of conversions.
2714         (output_init_element): Issue -Wc++-compat warning if needed when
2715         initializing a bitfield with enum type.
2716         * c-parser.c (c_parser_expression): Set original_type to
2717         original_type of right hand operand of comman operator.
2718
2719 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2720
2721         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2722         grammar nits.
2723         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2724         * doc/cpp.texi (Standard Predefined Macros)
2725         (Implementation-defined behavior): Likewise.
2726         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2727         * doc/gimple.texi (GIMPLE Exception Handling)
2728         (@code{GIMPLE_ASSIGN}): Likewise.
2729         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2730         * doc/invoke.texi (Warning Options, Optimize Options)
2731         (AVR Options, Darwin Options): Likewise.
2732         (Optimize Options): Reformulate -fwhole-program description.
2733         * doc/loop.texi (Lambda): Likewise.
2734         * doc/md.texi (Output Template, Define Constraints)
2735         (Standard Names, Insn Splitting): Likewise.
2736         * doc/options.texi (Option properties): Likewise.
2737         * doc/passes.texi (Tree-SSA passes): Likewise.
2738         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2739         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2740         (File Names and DBX): Likewise.
2741         * doc/trouble.texi (Incompatibilities): Likewise.
2742
2743 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2744
2745         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2746         instruction is correct.
2747
2748 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2749
2750         Allow non-constant arguments to conversion intrinsics.
2751         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2752         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2753         * spu.c (print_operand): Handle 'v' and 'w'.
2754         (exp2_immediate_p, spu_gen_exp2): Define.
2755         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2756         spu_convtf_1): Update parameter descriptions.
2757         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2758         * constraints.md ('v', 'w'): New.
2759         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2760         Remove.
2761         (i2f, I2F): New define_mode_attr.
2762         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2763         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2764         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2765         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2766         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2767         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2768         patterns for combine.
2769
2770 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2771
2772         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2773         (cprop, hoist, pre, store_motion): New debug counters.
2774         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2775         is not an RTL pass anymore.
2776         (pass_profiling): Remove extern decl for pass removed in 2005.
2777         (pass_gcse, pass_jump_bypass): Remove.
2778         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2779         to 0 for clean state.
2780         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2781         * cse.c (gate_handle_cse_after_global_opts,
2782         rest_of_handle_cse_after_global_opts): New functions.
2783         (pass_cse_after_global_opts): New pass, does local CSE.
2784         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2785         (TV_CPROP): New timevar.
2786         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2787         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2788         (gcse_main, recompute_all_luids): Remove.
2789         (compute_hash_table_work): Call max_reg_num instead of reading
2790         max_gcse_regno.
2791         (cprop_jump): Don't set run_jump_opt_after_gcse.
2792         (constprop_register): Always allow to alter jumps.
2793         (cprop_insn): Likewise.
2794         (do_local_cprop): Likewise.
2795         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2796         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2797         (find_implicit_sets): Add note about missed optimization opportunity.
2798         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2799         pass_rtl_cprop execute function.
2800         Don't bother tracking the pass number, each pass gets its own dumpfile
2801         now anyway.
2802         Always allow to alter jumpsand bypass jumps.
2803         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2804         will just find no suitable set.
2805         (pre_edge_insert): Fix dumping, this function is for PRE only.
2806         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2807         pass_rtl_pre execute function.
2808         (hoist_code): Return non-zero if something changed.  Keep track of
2809         substitutions and insertions for statistics gathering similar to PRE.
2810         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2811         called from the pass_rtl_hoist execute function.  Show pass statistics.
2812         (compute_store_table): Use max_reg_num directly instead of using the
2813         formerly global max_gcse_regno.
2814         (build_store_vectors): Likewise.
2815         (replace_store_insn): Fix dumping.
2816         (store_motion): Rename to ...
2817         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2818         pass, called from the pass_rtl_store_motion execute function.  Keep
2819         track of substitutions and insertions for statistics gathering similar
2820         to PRE.
2821         (bypass_jumps): Remove, fold interesting bits into ...
2822         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2823         from the pass_rtl_cprop execute function.
2824         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2825         pass_jump_bypass): Remove.
2826         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2827         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2828         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2829         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2830         (gate_rtl_store_motion, execute_rtl_store_motion,
2831         pass_rtl_store_motion): New.
2832         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2833         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2834         * passes.c (init_optimization_passes): Remove pass_gcse and
2835         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2836         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2837         instead of pass_jump_bypass.
2838
2839 2009-04-27  Richard Guenther  <rguenther@suse.de>
2840
2841         PR middle-end/39928
2842         * gimplify.c (gimplify_expr): If we are required to create
2843         a temporary make sure it ends up as register.
2844
2845 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2846
2847         PR target/39903
2848         * config/i386/i386.c (construct_container): Don't call
2849         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2850         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2851
2852 2009-04-27  Michael Matz  <matz@suse.de>
2853
2854         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2855         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2856         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2857         (dump_replaceable_exprs): Take a bitmap.
2858         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2859         array.
2860         (expand_gimple_basic_block): Likewise.
2861         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2862         replaceable_expressions member a bitmap.
2863         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2864         (mark_replaceable): Likewise.
2865         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2866         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2867
2868 2009-04-27  Richard Guenther  <rguenther@suse.de>
2869
2870         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2871         (verify_stmts): Dispatch to gimple/type verification code.
2872         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2873         issue with call argument types.
2874
2875 2009-04-27  Michael Matz  <matz@suse.de>
2876
2877         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2878         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2879         to above.
2880
2881 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2882             Eric Botcazou  <ebotcazou@adacore.com>
2883
2884         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2885         a label's basic block.
2886         (mark_target_live_regs): Tidy and rework obsolete comments.
2887         Change back DF problem to LIVE.  If a label starts a basic block,
2888         assume that all registers that used to be live then still are.
2889         (init_resource_info): If a label starts a basic block, set its
2890         BLOCK_FOR_INSN accordingly.
2891         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2892
2893 2009-04-27  Richard Guenther  <rguenther@suse.de>
2894
2895         * tree-flow-inline.h (function_ann): Remove.
2896         (get_function_ann): Likewise.
2897         * tree-dfa.c (create_function_ann): Remove.
2898         * tree-flow.h (struct static_var_ann_d): Remove.
2899         (struct function_ann_d): Likewise.
2900         (union tree_ann_d): Remove fdecl member.
2901         (function_ann_t): Remove.
2902         (function_ann, get_function_ann, create_function_ann): Remove
2903         declarations.
2904
2905 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2906
2907         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2908
2909 2009-04-27  Jan Hubicka  <jh@suse.cz>
2910
2911         * ipa-pure-const.c (struct funct_state_d): New fields
2912         state_previously_known, looping_previously_known; remove
2913         state_set_in_source.
2914         (analyze_function): Use new fields.
2915         (propagate): Avoid assumption that state_set_in_source imply
2916         nonlooping.
2917
2918         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2919         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2920         * cfgloop.h (finite_loop_p): Declare.
2921
2922 2009-04-26  Michael Matz  <matz@suse.de>
2923
2924         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2925
2926 2009-04-26  Michael Matz  <matz@suse.de>
2927
2928         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2929         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2930         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2931         pass_mark_used_blocks): Remove.
2932         * tree-optimize.c (pass_free_datastructures,
2933         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2934         * passes.c (init_optimization_passes): Don't call
2935         pass_mark_used_blocks, remove dead code.
2936
2937 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2938
2939         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2940         * tree-ssa-live.h (register_ssa_partition): Likewise.
2941
2942 2009-04-26  Michael Matz  <matz@suse.de>
2943
2944         Expand from SSA.
2945         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2946         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2947         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2948         SSA names. 
2949         (compare_pairs): Swap cost comparison.
2950         (coalesce_ssa_name): Don't use change_partition_var.
2951         * tree-nrv.c (struct nrv_data): Add modified member.
2952         (finalize_nrv_r): Set it.
2953         (tree_nrv): Use it to update statements.
2954         (pass_nrv): Require PROP_ssa.
2955         * tree-mudflap.c (mf_decl_cache_locals,
2956         mf_build_check_statement_for): Use make_rename_temp.
2957         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2958         * alias.c (find_base_decl): Handle SSA names.
2959         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2960         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2961         * rtl.h (set_reg_attrs_for_parm): Declare.
2962         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2963         to "optimized", remove unused locals at finish.
2964         (execute_free_datastructures): Make global, call
2965         delete_tree_cfg_annotations.
2966         (execute_free_cfg_annotations): Don't call
2967         delete_tree_cfg_annotations.
2968
2969         * ssaexpand.h: New file.
2970         * expr.c (toplevel): Include ssaexpand.h.
2971         (expand_assignment): Handle SSA names the same as register variables.
2972         (expand_expr_real_1): Expand SSA names.
2973         * cfgexpand.c (toplevel): Include ssaexpand.h.
2974         (SA): New global variable.
2975         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2976         (SSAVAR): New macro.
2977         (set_rtl): New helper function.
2978         (add_stack_var): Deal with SSA names, use set_rtl.
2979         (expand_one_stack_var_at): Likewise.
2980         (expand_one_stack_var): Deal with SSA names.
2981         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2982         before unique numbers.
2983         (expand_stack_vars): Use set_rtl.
2984         (expand_one_var): Accept SSA names, add asserts for them, feed them
2985         to above subroutines.
2986         (expand_used_vars): Expand all partitions (without default defs),
2987         then only the local decls (ignoring those expanded already).
2988         (expand_gimple_cond): Remove edges when jumpif() expands an
2989         unconditional jump.
2990         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2991         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2992         SSA name.
2993         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2994         members of SA; deal with PARM_DECL partitions here; expand
2995         all PHI nodes, free tree datastructures and SA.  Commit instructions
2996         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2997         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2998         info and statements at start, collect garbage at finish.
2999         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3000         (VAR_ANN_PARTITION) Remove.
3001         (change_partition_var): Don't declare.
3002         (partition_to_var): Always return SSA names.
3003         (var_to_partition): Only accept SSA names.
3004         (register_ssa_partition): Only check argument.
3005         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3006         member.
3007         (delete_var_map): Don't free it.
3008         (var_union): Only accept SSA names, simplify.
3009         (partition_view_init): Mark only useful SSA names as used.
3010         (partition_view_fini): Only deal with SSA names.
3011         (change_partition_var): Remove.
3012         (dump_var_map): Use ssa_name instead of partition_to_var member.
3013         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3014         basic blocks.
3015         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3016         (struct _elim_graph): New member const_dests; nodes member vector of
3017         ints.
3018         (set_location_for_edge): New static helper.
3019         (create_temp): Remove.
3020         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3021         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3022         (new_elim_graph): Allocate const_dests member.
3023         (clean_elim_graph): Truncate const_dests member.
3024         (delete_elim_graph): Free const_dests member.
3025         (elim_graph_size): Adapt to new type of nodes member.
3026         (elim_graph_add_node): Likewise.
3027         (eliminate_name): Likewise.
3028         (eliminate_build): Don't take basic block argument, deal only with
3029         partition numbers, not variables.
3030         (get_temp_reg): New static helper.
3031         (elim_create): Use it, deal with RTL temporaries instead of trees.
3032         (eliminate_phi): Adjust all calls to new signature.
3033         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3034         (rewrite_trees): Only do checking.
3035         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3036         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3037         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3038         contains_tree_r, MAX_STMTS_IN_LATCH,
3039         process_single_block_loop_latch, analyze_edges_for_bb,
3040         perform_edge_inserts): Remove.
3041         (expand_phi_nodes): New global function.
3042         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3043         functions, initialize new parameter, remember partitions having a
3044         default def.
3045         (finish_out_of_ssa): New global function.
3046         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3047         don't reset in_ssa_p here, don't disable TER when mudflap.
3048         (pass_del_ssa): Remove.
3049         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3050         partition members.
3051         (execute_free_datastructures): Declare.
3052         * Makefile.in (SSAEXPAND_H): New variable.
3053         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3054         * basic-block.h (commit_one_edge_insertion): Declare.
3055         * passes.c (init_optimization_passes): Move pass_nrv and
3056         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3057         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3058         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3059         (redirect_branch_edge): Deal with super block when expanding, split
3060         out jump patching itself into ...
3061         (patch_jump_insn): ... here, new static helper.
3062
3063 2009-04-26  Michael Matz  <matz@suse.de>
3064
3065         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3066         beyond num_ssa_names.
3067         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3068         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3069
3070 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3071
3072         PR inline-asm/39543
3073         * fwprop.c (forward_propagate_asm): New function.
3074         (forward_propagate_and_simplify): Propagate also into __asm, if it
3075         doesn't increase the number of referenced registers.
3076
3077         PR c/39889
3078         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3079
3080 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3081
3082         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3083         note_nonlocal_vla_type for nonlocal VLAs.
3084         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3085         contains_remapped_vars, remap_vla_decls): New functions.
3086         (convert_nonlocal_reference_stmt): If not optimizing, call
3087         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3088         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3089         if it wasn't found in var_map.
3090         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3091         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3092         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3093         declare_vars.
3094         * gimplify.c (nonlocal_vlas): New variable.
3095         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3096         referenced VLAs.
3097         (gimplify_body): Create and destroy nonlocal_vlas.
3098
3099         * dwarf2out.c (loc_descr_plus_const): New function.
3100         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3101         mem_loc_descriptor, loc_descriptor_from_tree_1,
3102         descr_info_loc, gen_variable_die): Use it.
3103
3104         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3105         !TREE_STATIC VAR_DECLs.
3106         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3107         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3108         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3109         DECL_BY_REFERENCE is valid.
3110         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3111         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3112         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3113         Copy DECL_BY_REFERENCE.
3114         (struct nesting_copy_body_data): New type.
3115         (nesting_copy_decl): New function.
3116         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3117         if they have variable length.
3118
3119 2009-04-26  Michael Matz  <matz@suse.de>
3120
3121         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3122         mark new temporaries for renaming.
3123
3124 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3125
3126         PR c/39581
3127         * c-decl.c (global_bindings_p): Return negative value.
3128         (c_variable_size): New.  Based on variable_size from
3129         stor-layout.c.
3130         (grokdeclarator): Call c_variable_size not variable_size.
3131
3132 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3133
3134         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3135
3136 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3137
3138         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3139         Redefine it to just use mingw/include.
3140         (ASM_SPEC): Rules for -m32 and -m64.
3141         (LINK_SPEC): Use Likewise.
3142         (SPEC_32): New define.
3143         (SPEC_64): Likewise.
3144         (SUB_LINK_SPEC): Likewise.
3145         (MULTILIB_DEFAULTS): New define.
3146         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3147         Add multilib options.
3148         (MULTILIB_DIRNAMES): Likewise.
3149         (MULTILIB_OSDIRNAMES): Likewise.
3150         (LIBGCC): Likewise.
3151         (INSTALL_LIBGCC): Likewise.
3152
3153 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3154
3155         PR c/39556
3156         * c-tree.h (enum c_inline_static_type): New.
3157         (record_inline_static): Declare.
3158         * c-decl.c (struct c_inline_static, c_inline_statics,
3159         record_inline_static, check_inline_statics): New.
3160         (pop_file_scope): Call check_inline_statics.
3161         (start_decl): Call record_inline_static instead of pedwarning
3162         directly for static in inline function.
3163         * c-typeck.c (build_external_ref): Call record_inline_static
3164         instead of pedwarning directly for static referenced in inline
3165         function.
3166
3167 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3168
3169         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3170         not new but only being rescanned.
3171         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3172         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3173         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3174         record_set_info, compute_set, grealloc): Remove.
3175         (recompute_all_luids): New function.
3176         (gcse_main): Don't compute sets, and don't do related memory
3177         allocations/free-ing.  If something changed before the end of the
3178         pass, update LUIDs using recompute_all_luids.
3179         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3180         (free_gcse_mem): Don't free it either.
3181         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3182         Use the df insn LUIDs.
3183         (load_killed_in_block): Likewise.
3184         (compute_hash_table_work): Don't compute reg_set_in_block.
3185         (compute_transp): Use DF_REG_DEF_CHAINs.
3186         (local_cprop_pass): Don't use compute_sets and related functions.
3187         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3188         Use get_max_uid() instead of max_cuid.
3189         (insert_insn_end_basic_block, pre_insert_copy_insn,
3190         update_ld_motion_stores): Don't try to
3191         keep reg_set tables up to date.
3192         (pre_insert_copies): Use df insn LUIDs.
3193         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3194         (reg_set_info): Don't use extra bitmap argument.
3195         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3196         information to compute regs_set_in_block.
3197         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3198         (bypass_jumps): Don't use compute_sets and friends.
3199
3200 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3201
3202         PR testsuite/39710
3203         * opts.c (undocumented_msg): Do not leave blank even with
3204         ENABLE_CHECKING.
3205
3206 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3207
3208         * c-decl.c (build_enumerator): Allow values folding to integer
3209         constants but not integer constant expressions with a pedwarn if
3210         pedantic.
3211
3212 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3213
3214         PR c/39582
3215         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3216         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3217         type is an integer constant.
3218
3219 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3220
3221         PR target/39897
3222         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3223         HImode operands.
3224
3225 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3226
3227         PR c/39564
3228         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3229         with variably modified return type and no storage class
3230         specifiers, except for the case of nested functions.  Distinguish
3231         extern declarations of functions with variably modified return
3232         types from those of objects with variably modified types.
3233
3234 2009-04-25  Jan Hubicka  <jh@suse.cz>
3235
3236         * tree.c (list_equal_p): New function.
3237         * tree.h (list_equal_p): Declare.
3238         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3239         basic_block_def, basic_block, const_basic_block): New.
3240         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3241         (redirect_eh_edge): New function.
3242         (make_eh_edge_update_phi): EH edges are not abnormal.
3243         * except.c: Include tree-flow.h.
3244         (list_match): New function.
3245         (eh_region_replaceable_by_p): New function.
3246         (replace_region): New function.
3247         (hash_type_list): New function.
3248         (hash_eh_region): New function.
3249         (eh_regions_equal_p): New function.
3250         (merge_peers): New function.
3251         (remove_unreachable_regions): Verify EH tree when checking;
3252         merge peers.
3253         (copy_eh_region_1): New function.
3254         (copy_eh_region): New function.
3255         (push_reachable_handler): New function.
3256         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3257         regions without label but with live RESX.
3258         * except.h (redirect_eh_edge_to_label): New.
3259         * tree-flow.h (redirect_eh_edge): New.
3260         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3261         basic_block_def, basic_block, const_basic_block): Remove.
3262         * Makefile.in (except.o): Add dependency on tree-flow.h
3263         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3264         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3265         Remove.
3266
3267 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3268
3269         PR bootstrap/39645
3270         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3271         on the destination of memcpy.
3272
3273 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3274
3275         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3276         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3277         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3278
3279 2009-04-25  Jan Hubicka  <jh@suse.cz>
3280
3281         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3282         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3283         to be reached by different label than left.
3284         (update_eh_edges): Update comment; remove edge_to_remove if possible
3285         and return true if suceeded.
3286         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3287         (cleanup_eh): Compute sharing map.
3288         * except.c (remove_eh_handler_and_replace): Add argument if we should
3289         update regions.
3290         (remove_unreachable_regions): Update for label sharing.
3291         (label_to_region_map): Likewise.
3292         (get_next_region_sharing_label): New function.
3293         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3294         prev_try pointers.
3295         (remove_eh_handler): Update.
3296         (remove_eh_region_and_replace_by_outer_of): New function.
3297         * except.h (struct eh_region): Add next_region_sharing_label.
3298         (remove_eh_region_and_replace_by_outer_of,
3299         get_next_region_sharing_label): Declare.
3300         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3301
3302 2009-04-25  Jan Hubicka  <jh@suse.cz>
3303
3304         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3305         insert code even if they are not critical.
3306
3307 2009-04-25  Jan Hubicka  <jh@suse.cz>
3308
3309         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3310         (gimple_can_remove_branch_p): EH edges won't remove branch by
3311         redirection.
3312         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3313         updating of non-abnormal EH edges.
3314         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3315         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3316         (split_critical_edges): Split also edges where emitting code on them
3317         will lead to splitting later.
3318
3319 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3320             H.J. Lu  <hongjiu.lu@intel.com>
3321
3322         PR target/39590
3323         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3324         the configured assembler supports fildq and fistpq mnemonics.
3325         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3326         * configure: Regenerated.
3327         * config.in: Ditto.
3328
3329         * config/i386/i386.c (print_operand): Handle 'Z'.
3330         ['z']: Remove handling of special fild/fist suffixes.
3331         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3332         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3333         suffix of fild insn.
3334         (*floatsi<mode>2_vector_mixed): Ditto.
3335         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3336         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3337         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3338         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3339         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3340
3341 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3342  
3343         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3344         the source of a set operation.
3345
3346 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3347
3348         * target.h (struct gcc_target): Add case_values_threshold field.
3349         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3350         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3351         * targhooks.c (default_case_values_threshold): New function.
3352         * targhooks.h (default_case_values_threshold): Declare function.
3353         * stmt.c (expand_case): Use case_values_threshold target hook.
3354         * expr.h (case_values_threshold): Remove declartation.
3355         * expr.c (case_values_threshold): Remove function.
3356         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3357
3358         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3359         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3360         (avr_case_values_threshold): Declare as static.
3361         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3362
3363         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3364         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3365         (mn10300_case_values_threshold): New function.
3366
3367 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3368
3369         * ira.c (setup_cover_and_important_classes): Add enum cast.
3370
3371 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3372
3373         * genpreds.c (write_enum_constraint_num): Output definition of
3374         CONSTRAINT_NUM_DEFINED_P macro.
3375         * ira.c (setup_cover_and_important_classes): Use
3376         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3377         
3378 2009-04-24  DJ Delorie  <dj@redhat.com>
3379
3380         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3381         __SH2A_SINGLE_ONLY__ also.
3382
3383 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3384
3385         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3386         (movdf_internal): Ditto.
3387         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3388         SFmode and DFmode constants.
3389         (ia64_print_operand): Add 'G' format for printing
3390         floating point constants.
3391
3392 2009-04-24  Richard Guenther  <rguenther@suse.de>
3393
3394         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3395         from unsigned additions.
3396
3397 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3398
3399         * c-typeck.c (set_init_index): Allow array designators that are
3400         not integer constant expressions with a pedwarn if pedantic.
3401
3402 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3403
3404         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3405         zero if no overlap in nonzero bits between the operands.
3406
3407 2009-04-24  Ian Lance Taylor  <iant@google.com>
3408
3409         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3410         (record_dead_and_set_regs): Likewise.
3411         * df.h (struct df_mw_hardreg): Change flags field to int.
3412         (struct df_base_ref): Likewise.
3413         (struct df): Change changeable_flags field to int.
3414         * df-scan.c (df_defs_record): Change clobber_flags to int.
3415         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3416         constants rather than #define macros.
3417         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3418         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3419         (enum dwarf_calling_convention): Likewise.
3420         (enum dwarf_line_number_x_ops): Likewise.
3421         (enum dwarf_call_frame_info): Likewise.
3422         (enum dwarf_source_language): Likewise.
3423         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3424         (add_calling_convention_attribute): Likewise.
3425         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3426         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3427         * genrecog.c (maybe_both_true_2): Change c to int.
3428         (write_switch): Likewise.  Add cast to enum type.
3429         * gimplify.c (gimplify_omp_for): Handle return values from
3430         gimplify_expr using MIN rather than bitwise or.
3431         (gimplify_expr): Add cast to enum type.
3432         * ipa-prop.c (update_jump_functions_after_inlining): Change
3433         IPA_BOTTOM to IPA_JF_UNKNOWN.
3434         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3435         Add casts to enum type.
3436         (setup_cover_and_important_classes): Change cl to int.  Add casts
3437         to enum type.
3438         (setup_class_translate): Change cl and mode to int.
3439         (ira_init_once): Change mode to int.
3440         (free_register_move_costs): Likewise.
3441         (setup_prohibited_mode_move_regs): Add casts to enum type.
3442         * langhooks.c (add_builtin_function_common): Rework assertion that
3443         value fits bitfield.
3444         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3445         * omega.c (omega_do_elimination): Avoid math on enum types.
3446         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3447         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3448         int local to handle integral_argment value.
3449         * regmove.c (try_auto_increment): Change PUT_MODE to
3450         PUT_REG_NOTE_KIND.
3451         * reload.c (push_secondary_reload): Add casts to enum type.
3452         (secondary_reload_class, find_valid_class): Likewise.
3453         * reload1.c (emit_input_reload_insns): Likewise.
3454         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3455         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3456         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3457         constant.
3458         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3459         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3460         enum type.
3461         (expand_complex_libcall): Add casts to enum type.
3462         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3463         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3464         with ERROR_MARK, not NUM_TREE_CODES.
3465         (vect_create_epilog_for_reduction): Likewise.
3466         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3467         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3468         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3469         enum machine_mode.
3470         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3471         vect_unused_in_loop.  Change 0 to loop_vect.
3472         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3473         * var-tracking.c (get_init_value): Change return type to enum
3474         var_init_status.
3475         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3476         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3477         arm_fp_model.
3478         (arm_override_options): Add casts to enum type.
3479         (arm_emit_tls_decoration): Likewise.
3480         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3481         to enum type.
3482         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3483         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3484         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3485         enum type.
3486         * config/s390/s390.c (code_for_builtin_64): Change to array of
3487         enum insn_code.
3488         (code_for_builtin_31): Likewise.
3489         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3490         const *.
3491         * config/sparc/sparc.c (sparc_override_options): Change value
3492         field in struct code_model to enum cmodel.  In initializer change
3493         0 to NULL and add cast to enum type.
3494
3495         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3496         Change all callers.  Issue a -Wc++-compat warning using
3497         lhs_origtype if necessary.
3498         (convert_for_assignment): Issue -Wc++-compat warnings about
3499         invalid conversions to enum type on assignment.
3500         * c-common.h (build_modify_expr): Update declaration.
3501
3502 2009-04-24  Nick Clifton  <nickc@redhat.com>
3503
3504         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3505         (function_arg_advance): Likewise.
3506         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3507         5th alternative.
3508
3509 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3510
3511         * config/s390/constraints.md ('I', 'J'): Fix condition.
3512
3513 2009-04-24  Diego Novillo  <dnovillo@google.com>
3514
3515         * gengtype-parse.c (parse_error): Add newline after message.
3516
3517 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3518
3519         * config/i386/sse.md (avxmodesuffixs): Removed.
3520         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3521         (*avx_pinsr<ssevecsize>): This.
3522
3523 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3524
3525         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3526         follow chains of regs with a single definition, and allow expressions
3527         that are function_invariant_p.
3528         (simple_rhs_p): Allow expressions that are function_invariant_p.
3529
3530 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3531
3532         PR middle-end/39867
3533         * fold-const.c (fold_cond_expr_with_comparison): When folding
3534         > and >= to MAX, make sure the MAX uses the same type as the
3535         comparison's operands.
3536
3537 2009-04-24  Nick Clifton  <nickc@redhat.com>
3538
3539         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3540         addressing for DImode accesses.
3541         (frv_print_operand_address): Handle PLUS case.
3542         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3543
3544 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR rtl-optimization/39794
3547         * alias.c (canon_true_dependence): Add x_addr argument.
3548         * rtl.h (canon_true_dependence): Adjust prototype.
3549         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3550         * cselib.c (cselib_invalidate_mem): Likewise.
3551         * gcse.c (compute_transp): Likewise.
3552         * dse.c (scan_reads_nospill): Likewise.
3553         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3554         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3555         canon_base_addr of the group, plus optional offset.
3556         (struct group_info): Rename canon_base_mem to
3557         canon_base_addr.
3558         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3559         canon_rtx of base_mem.
3560
3561 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3562
3563         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3564         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3565
3566 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3567
3568         * config/spu/spu-builtins.h: Delete file.
3569
3570         * config/spu/spu.h (enum spu_builtin_type): Move here from
3571         spu-builtins.h.
3572         (struct spu_builtin_description): Likewise.  Add GTY marker.
3573         Do not use enum spu_function_code or enum insn_code.
3574         (spu_builtins): Add extern declaration.
3575
3576         * config/spu/spu.c: Do not include "spu-builtins.h".
3577         (enum spu_function_code, enum spu_builtin_type_index,
3578         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3579         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3580         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3581         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3582         (spu_builtin_types): Make static.  Add GTY marker.
3583         (spu_builtins): Add extern declaration with GTY marker.
3584         Include "gt-spu.h".
3585
3586         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3587         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3588         Check programmatically whether all parameters are scalar.
3589
3590         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3591
3592 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3593
3594         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3595         assignment from the constructor either if the target is volatile.
3596
3597 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3598
3599         * config/arm/arm.md (insv): Do not share operands[0].
3600
3601 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3602
3603         * config/vxlib-tls.c (active_tls_threads): Delete.
3604         (delete_hook_installed): New.
3605         (tls_delete_hook): Don't delete the delete hook.
3606         (tls_destructor): Delete it here.
3607         (__gthread_set_specific): Adjust installing the delete hook.
3608         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3609         __gthread_leave_tsd_dtor_context.
3610
3611 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3612
3613         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3614
3615 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3616
3617         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3618         enum type.
3619         (alpha_rtx_costs): Ditto.
3620         (emit_unlikely_jump): Use add_reg_note.
3621         (emit_frame_store_1): Ditto.
3622         (alpha_expand_prologue): Ditto.
3623         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3624         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3625
3626 2009-04-23  Nick Clifton  <nickc@redhat.com>
3627
3628         * config/v850/v850.md (epilogue): Remove suppressed code.
3629         (return): Rename to return_simple and remove test of frame size.
3630         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3631         to gen_return_simple.
3632
3633 2009-04-22  Jing Yu  <jingyu@google.com>
3634
3635         PR testsuite/39781
3636         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3637
3638 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3639
3640         PR C/31499
3641         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3642         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3643         value is a VECTOR_CST, the element type is the element type of the
3644         vector.
3645
3646 2009-04-22  DJ Delorie  <dj@redhat.com>
3647
3648         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3649
3650 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3651
3652         * alias.c (find_base_term): Move around LO_SUM case, so that
3653         CONST falls through into PLUS/MINUS handling.
3654
3655         PR c/39855
3656         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3657         into 0, use omit_one_operand.
3658
3659 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3660
3661         * config/rs6000/linux-unwind.h (get_regs): Remove type
3662         puns. Change the type of `pc' to an array of unsigned ints and
3663         update all users.  Constify frame24.
3664
3665 2009-04-22  DJ Delorie  <dj@redhat.com>
3666
3667         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3668         declarations before code.
3669         (current_function_special_page_vector): Likewise.
3670         (m32c_expand_insv): Silence a warning.
3671
3672 2009-04-21  Taras Glek  <tglek@mozilla.com>
3673
3674         * alias.c: Update GTY annotations to new syntax.
3675         * basic-block.h: Likewise.
3676         * bitmap.h: Likewise.
3677         * c-common.h: Likewise.
3678         * c-decl.c: Likewise.
3679         * c-parser.c: Likewise.
3680         * c-pragma.c: Likewise.
3681         * c-tree.h: Likewise.
3682         * cfgloop.h: Likewise.
3683         * cgraph.h: Likewise.
3684         * config/alpha/alpha.c: Likewise.
3685         * config/arm/arm.h: Likewise.
3686         * config/avr/avr.h: Likewise.
3687         * config/bfin/bfin.c: Likewise.
3688         * config/cris/cris.c: Likewise.
3689         * config/darwin.c: Likewise.
3690         * config/frv/frv.c: Likewise.
3691         * config/i386/i386.c: Likewise.
3692         * config/i386/i386.h: Likewise.
3693         * config/i386/winnt.c: Likewise.
3694         * config/ia64/ia64.h: Likewise.
3695         * config/iq2000/iq2000.c: Likewise.
3696         * config/mips/mips.c: Likewise.
3697         * config/mmix/mmix.h: Likewise.
3698         * config/pa/pa.c: Likewise.
3699         * config/pa/pa.h: Likewise.
3700         * config/rs6000/rs6000.c: Likewise.
3701         * config/s390/s390.c: Likewise.
3702         * config/sparc/sparc.c: Likewise.
3703         * config/xtensa/xtensa.c: Likewise.
3704         * cselib.h: Likewise.
3705         * dbxout.c: Likewise.
3706         * dwarf2out.c: Likewise.
3707         * except.c: Likewise.
3708         * except.h: Likewise.
3709         * fixed-value.h: Likewise.
3710         * function.c: Likewise.
3711         * function.h: Likewise.
3712         * gimple.h: Likewise.
3713         * integrate.c: Likewise.
3714         * optabs.c: Likewise.
3715         * output.h: Likewise.
3716         * real.h: Likewise.
3717         * rtl.h: Likewise.
3718         * stringpool.c: Likewise.
3719         * tree-data-ref.c: Likewise.
3720         * tree-flow.h: Likewise.
3721         * tree-scalar-evolution.c: Likewise.
3722         * tree-ssa-address.c: Likewise.
3723         * tree-ssa-alias.h: Likewise.
3724         * tree-ssa-operands.h: Likewise.
3725         * tree.c: Likewise.
3726         * tree.h: Likewise.
3727         * varasm.c: Likewise.
3728         * varray.h: Likewise.
3729         * vec.h: Likewise.
3730         * coretypes.h: Do not define GTY macro if it is already defined.
3731         * doc/gty.texi: Update GTY documentation to new syntax.
3732         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3733         annotations on structs.
3734         * gengtype-parse.c: Likewise.
3735
3736 2009-04-22  Mark Heffernan  <meheff@google.com>
3737
3738         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3739
3740 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3741
3742         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3743         where appropriate.
3744
3745 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3746
3747         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3748         the same as a PLUS without a shift.  Increase the cost of a
3749         CONST_INT in MULT.
3750
3751 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3752
3753         * Makefile.in: Update dependencies.
3754         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3755         * errors.h: Remove bogus comment about compatibility.
3756         (warning): Update declaration.
3757         * genautomata.c: Update all calls to warning.
3758         * gimple.c: Do not include errors.h. Include toplev.h.
3759         * tree-ssa-structalias.c: Do not include errors.h.
3760         * omega.c: Likewise.
3761         * tree-ssa-reassoc.c: Likewise.
3762         * config/spu/spu-c.c: Likewise.
3763         * config/spu/t-spu-elf: Update dependencies.
3764
3765 2009-04-22  Richard Guenther  <rguenther@suse.de>
3766
3767         PR tree-optimization/39824
3768         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3769         make sure the types are compatible.
3770
3771 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3772
3773         PR c++/14875
3774         * c-common.c (c_parse_error): Take a token_flags parameter.
3775         Use token_type for the token type instead.
3776         Pass token_flags to cpp_type2name.
3777         * c-common.h (c_parse_error): Update declaration.
3778         * c-parser.c (c_parser_error): Pass 0 as token flags.
3779
3780 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3781
3782         PR rtl-optimization/39580
3783         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3784         
3785 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3786
3787         * function.c (expand_function_end): Do not emit a jump to the "naked"
3788         return label for fall-through returns.
3789         * except.c (sjlj_emit_function_exit): Always place the call to the
3790         unregister function at the location installed by expand_function_end.
3791
3792 2009-04-22  Richard Guenther  <rguenther@suse.de>
3793
3794         PR tree-optimization/39845
3795         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3796         (gen_inbound_check): Likewise.
3797
3798 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3799
3800         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3801         padding for PPC.
3802         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3803         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3804
3805 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3806
3807         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3808         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3809         shift counts to avoid out-of-bounds array accesses.
3810
3811 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3812
3813         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3814         (Pmode): Move above.
3815
3816 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3817
3818         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3819         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3820         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3821         * config/alpha/alpha.h: Ditto.
3822         * config/alpha/alpha.md: Ditto.
3823         * config/alpha/constraints.md: Ditto.
3824         * config/alpha/predicates.md: Ditto.
3825         
3826 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3827
3828         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3829         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3830         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3831         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3832         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3833         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3834         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3835         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3836         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3837         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3838         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3839         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3840         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3841         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3842         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3843         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3844         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3845         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3846         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3847         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3848         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3849         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3850         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3851         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3852         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3853         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3854         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3855
3856 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3857
3858         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3859         references from comments.
3860         * cfgbuild.c: (count_basic_blocks): Delete.
3861         (find_basic_blocks_1): Delete.
3862         (find_basic_blocks): Delete.
3863         * except.c (finish_eh_generation): Make static.  Move comment from
3864         except.h here.  Remove find_basic_blocks references from comments.
3865         * except.h (finish_eh_generation): Delete.
3866         * basic-block.h (find_basic_blocks): Delete.
3867         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3868
3869 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3870
3871         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3872         (sdbout_parms):  Likewise.
3873
3874 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3875
3876         * config/sh/sh.c (prepare_cbranch_operands): Use
3877         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3878         (expand_cbranchdi4): Likewise.
3879         (from_compare): Add cast to enum type.
3880         (expand_cbranchsi4): Use add_reg_note.
3881         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3882         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3883         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3884         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3885         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3886         instead of CODE_FOR_nothing.
3887         (cbranchdi4): Likewise.  Fix the order of arguments for
3888         gen_rtx_fmt_ee.
3889         (push_fpscr): Use add_reg_note.
3890         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3891         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3892         
3893 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3894
3895         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3896         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3897         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3898         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3899         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3900         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3901         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3902         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3903         config/alpha/x-vms, config/arc/t-arc,
3904         config/arm/README-interworking, config/arm/arm-c.c,
3905         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3906         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3907         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3908         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3909         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3910         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3911         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3912         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3913         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3914         config/cris/t-elfmulti, config/crx/t-crx,
3915         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3916         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3917         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3918         config/h8300/t-h8300, config/i386/athlon.md,
3919         config/i386/darwin-libgcc.10.4.ver,
3920         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3921         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3922         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3923         config/i386/t-linux64, config/i386/t-nwld,
3924         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3925         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3926         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3927         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3928         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3929         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3930         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3931         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3932         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3933         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3934         config/m68k/t-uclinux, config/mcore/t-mcore,
3935         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3936         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3937         config/mips/crtn.asm, config/mips/irix-crti.asm,
3938         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3939         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3940         config/mips/mips-fixed.md, config/mips/sb1.md,
3941         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3942         config/mips/t-iris6, config/mips/t-isa3264,
3943         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3944         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3945         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3946         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3947         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3948         config/mn10300/t-linux, config/mn10300/t-mn10300,
3949         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3950         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3951         config/picochip/libgccExtras/clzsi2.asm,
3952         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3953         config/rs6000/darwin-libgcc.10.4.ver,
3954         config/rs6000/darwin-libgcc.10.5.ver,
3955         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3956         config/rs6000/t-aix43, config/rs6000/t-aix52,
3957         config/rs6000/t-darwin, config/rs6000/t-fprules,
3958         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3959         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3960         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3961         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3962         config/rs6000/t-rtems, config/rs6000/t-spe,
3963         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3964         config/score/t-score-elf, config/sh/divcost-analysis,
3965         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3966         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3967         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3968         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3969         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3970         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3971         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3972         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3973         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3974         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3975         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3976         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3977         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3978         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3979         * config/h8300/genmova.sh: Include copyright and license notices
3980         in generated output.
3981         * config/h8300/mova.md: Regenerate.
3982         * doc/install.texi2html: Include word "Copyright" in copyright
3983         notice and use name "Free Software Foundation, Inc.".
3984         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3985         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3986         ChangeLog-2007, ChangeLog-2008: Correct dates.
3987
3988 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3989
3990         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3991         NE_EXPR operations as well.
3992         * c-parser.c (c_parser_condition): Do not set location information on
3993         the condition.
3994         (c_parser_conditional_expression): Likewise.
3995         (c_parser_binary_expression): Set location information on operators.
3996         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3997         TRUTH_NOT_EXPR has been folded.
3998         * fold-const.c (fold_truth_not_expr): Copy location information from
3999         the incoming expression to the outgoing one.
4000         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4001         recursive calls on the LHS of the operator but pass that of the
4002         operator to recursive calls on the RHS of the operator.  Set it
4003         on the COND_EXPR.
4004         (shortcut_cond_expr): Set the locus of the operator on the second
4005         COND_EXPR and that of the expression on the first in degenerate cases.
4006         Pass the locus of the expression to calls to shortcut_cond_r.
4007         Set the locus of the 'then' block on the associated jump, if any.
4008         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4009         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4010         expression to call to gimplify_boolean_expr.
4011
4012 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4013
4014         * config.gcc: Add additional configuration for
4015         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4016         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4017         (CPP_SPEC): Redefine for allowing -municode option.
4018         (STARTFILE_SPEC): Likewise.
4019         * config/i386/t-mingw-w64: New.
4020         * config/i386/mingw-w64.opt: New.
4021         (municode): Add new target option.
4022         * doc/invoke.texi (municode): Add documentation for new option.
4023
4024 2009-04-21  Ian Lance Taylor  <iant@google.com>
4025
4026         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4027         Correct test for number of arguments.
4028         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4029
4030 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4031
4032         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4033         argument of emit_library_call.
4034
4035 2009-04-21  Richard Guenther  <rguenther@suse.de>
4036
4037         PR middle-end/39829
4038         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4039         inside VIEW_CONVERT_EXPRs.
4040
4041 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4042
4043         * tree-switch-conversion.c (build_constructors): Split a long line.
4044         (constructor_contains_same_values_p): New function.
4045         (build_one_array): Create assigns of constants if possible, do not
4046         call mark_sym_for_renaming, call update_stmt.
4047         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4048         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4049         update_stmt.
4050         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4051         find_new_referenced_vars, call update_stmt.
4052         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4053         instead of calling make_rename_temp.  Do not call
4054         find_new_referenced_vars or mark_symbols_for_renaming, call
4055         update_stmt.
4056
4057 2009-04-21  Richard Guenther  <rguenther@suse.de>
4058
4059         PR tree-optimization/39827
4060         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4061         (tree_ssa_phiprop): Pass the correct array size.
4062
4063 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4064
4065         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4066
4067 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4068
4069         PR 16202
4070         * c-typeck.c (lvalue_p): Move declaration ...
4071         * c-common.h (lvalue_p): ... to here.
4072         * c-common.c (candidate_equal_p): New.
4073         (add_tlist): Use it.
4074         (merge_tlist): Use it.
4075         (warn_for_collisions_1): Likewise.
4076         (warning_candidate_p): Accept more candidates.
4077         (verify_tree): A warning candidate can be an expression. Use
4078         candidate_equal_p.
4079
4080 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4081
4082         PR target/5267
4083         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4084         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4085         options.  Remove -mcall-solaris documentation.
4086
4087 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4088
4089         PR c++/13358
4090         * doc/invoke.texi (-Wlong-long): Update description.
4091         * c-lex (interpret_integer): Only warn if there was no previous
4092         overflow and -Wlong-long is enabled.
4093         * c-decl.c (declspecs_add_type): Drop redundant flags.
4094         * c.opt (Wlong-long): Init to -1.
4095         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4096         and front-end warn_long_long. Wlong-long only depends on other
4097         flags if it is uninitialized.
4098         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4099         the same for CPP and FE.
4100         (restore_extension_diagnostics): Likewise.
4101
4102 2009-04-20  Ian Lance Taylor  <iant@google.com>
4103
4104         Fix enum conversions which are invalid in C++:
4105         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4106         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4107         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4108         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4109         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4110         (dbxout_parms): Likewise.
4111         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4112         (df_clear_flags): Likewise.
4113         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4114         top_flag parameter to int.
4115         (df_chain_create_bb_process_use): Likewise.
4116         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4117         Remove cast.
4118         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4119         (df_ref_create_structure, df_def_record_1): Likewise.
4120         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4121         (df_notes_rescan): Change 0 to VOIDmode in function call.
4122         (df_get_call_refs, df_insn_refs_collect): Likewise.
4123         (df_bb_regs_collect): Likewise.
4124         (df_entry_block_defs_collect): Likewise.
4125         (df_exit_block_uses_collect): Likewise.
4126         * df.h: Update declarations.
4127         * double-int.c (double_int_divmod): Add cast to enum type.
4128         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4129         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4130         (based_loc_descr): Likewise.
4131         (loc_descriptor_from_tree_1): Change first_op and second_op to
4132         enum dwarf_location_atom.  Add cast to enum type.
4133         * expmed.c (init_expmed): Change 0 to SET in function call.
4134         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4135         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4136         (do_store_flag): Likewise.
4137         * fixed-value.h (struct fixed_value): Change mode to enum
4138         machine_mode.
4139         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4140         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4141         function call.
4142         (insert_insn_decl, insert_decl, insert_state): Likewise.
4143         (automata_list_finish): Likewise.
4144         * genrecog.c (process_define_predicate): Add cast to enum type.
4145         * gensupport.c (init_predicate_table): Add cast to enum type.
4146         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4147         function call.
4148         (gimple_build_call_1, gimple_build_label): Likewise.
4149         (gimple_build_goto, gimple_build_asm_1): Likewise.
4150         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4151         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4152         (enum fallback): Rename from enum fallback_t.
4153         (fallback_t): Typedef as int.
4154         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4155         GSI_SAME_STMT in function call.
4156         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4157         enum type.
4158         (setup_reg_class_relations): Likewise.
4159         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4160         (setup_prohibited_class_mode_regs): Add cast to enum type.
4161         (setup_prohibited_mode_move_regs): Likewise.
4162         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4163         (record_address_regs): Change i to enum reg_class.
4164         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4165         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4166         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4167         (GET_MODE_2XWIDER_MODE): Likewise.
4168         (GET_CLASS_NARROWEST_MODE): Likewise.
4169         * omp-low.c (expand_omp_for): Add cast to enum type.
4170         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4171         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4172         * postreload.c (reload_cse_simplify_operands): Change rclass local
4173         to enum reg_class.
4174         * predict.c (combine_predictions_for_insn): Change best_predictor
4175         and predictor to enum br_predictor.
4176         (combine_predictions_for_bb): Likewise.
4177         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4178         use SET_PREDICT_EXPR_OUTCOME.
4179         * real.c (real_arithmetic): Change icode to code in function call.
4180         * reginfo.c (init_move_cost): Add casts to enum type.
4181         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4182         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4183         enum reg_class.
4184         * reload.c (find_valid_class): Add casts to enum type.
4185         (push_reload): Change 0 to NO_REGS in function call.
4186         (find_reloads): Change this_alternative to array of enum
4187         reg_class.  Remove some now-unnecessary casts.
4188         (make_memloc): Change 0 to VOIDmode in function call.
4189         * reload1.c (reload): Change 0 to VOIDmode in function call.
4190         (eliminate_regs_1, elimination_effects): Likewise.
4191         (eliminate_regs_in_insn): Likewise.
4192         (emit_input_reload_insns): Add cast to enum type.
4193         (delete_output_reload): Change 0 to VOIDmode in function call.
4194         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4195         to enum type in function call.
4196         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4197         (SET_PREDICT_EXPR_OUTCOME): Define.
4198         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4199         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4200         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4201         (dump_function): Likewise.
4202         * tree-dump.h: Update declarations.
4203         * tree-pass.h: Update declarations.
4204         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4205         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4206         enum type.
4207         (arm_rtx_costs_1): Correct parenthesization.
4208         (arm_rtx_costs): Add casts to enum type.
4209         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4210         (vfp_emit_fstmd): Use add_rg_note.
4211         (emit_multi_reg_push, emit_sfm): Likewise.
4212         (thumb_set_frame_pointer): Likewise.
4213         (arm_expand_prologue): Likewise.
4214         (arm_regno_class): Change return type to enum reg_class.
4215         (thumb1_expand_prologue): Use add_reg_note.
4216         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4217         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4218         in function call.
4219         * config/arm/gentune.sh: Add cast to enum type.
4220         * config/arm/arm-tune.md: Rebuild.
4221         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4222         (ix86_split_fp_branch, predict_jump): Likewise.
4223         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4224         insn_code to enum rtx_code.
4225         (ix86_builtin_vectorized_function): Add cast to enum type.
4226         * config/i386/i386.md (truncdfsf2): Change slot to enum
4227         ix86_stack_slot.
4228         (truncxf<mode>2, isinf<mode>2): Likewise.
4229         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4230         enum type.
4231         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4232         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4233         (insert_bundle_state): Change 1 to INSERT in function call.
4234         (ia64_add_bundle_selector_before): Likewise.
4235         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4236         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4237         (restore_stack_nonlocal): Likewise.
4238         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4239         function call.
4240         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4241         function call.
4242         (mips_rtx_costs): Likewise.
4243         (mips_override_options): Add casts to enum type.
4244         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4245         in function call.
4246         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4247         (store_reg, set_reg_plus_d): Likewise.
4248         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4249         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4250         cast to enum type.
4251         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4252         function call.
4253         (emit_unlikely_jump): Use add_reg_note.
4254         (rs6000_emit_allocate_stack): Likewise.
4255         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4256         (output_toc): Change 1 to INSERT in function call.
4257         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4258         (rs6000_initialize_trampoline): Likewise.
4259         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4260         function call.
4261         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4262         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4263         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4264         (save_gprs): Use add_reg_note.
4265         (s390_emit_prologue): Likewise.
4266         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4267         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4268         (sparc_fold_builtin): Add cast to enum type.
4269         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4270         enum insn_code.
4271         (spu_expand_prologue): Use add_reg_note.
4272         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4273
4274 2009-04-20  Ian Lance Taylor  <iant@google.com>
4275
4276         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4277         (c_parser_postfix_expression_after_primary): Get VEC for list of
4278         arguments.  Get original types of arguments.  Call
4279         build_function_call_vec.
4280         (cached_expr_list_1, cached_expr_list_2): New static variables.
4281         (c_parser_expr_list): Change return type to VEC *.  Add
4282         p_orig_types parameter.  Change all callers.
4283         (c_parser_release_expr): New static function.
4284         (c_parser_vec_to_tree_list): New static function.
4285         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4286         call build_function_call_vec.
4287         (build_function_call_vec): New function, based on old
4288         build_function_call.
4289         (convert_arguments): Remove nargs and argarray parameters.  Change
4290         values to a VEC.  Add origtypes parameter.
4291         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4292         (convert_for_assignment): Add origtype parameter.  Change all
4293         callers.  If warn_cxx_compat, check for conversion to an enum
4294         type when calling a function.
4295         (store_init_value): Add origtype parameter.  Change all callers.
4296         (digest_init): Likewise.
4297         (struct init_node): Add origtype field.
4298         (add_pending_init): Add origtype parameter.  Change all callers.
4299         (output_init_element): Likewise.
4300         (output_pending_init_elements): Pass origtype from init_node to
4301         output_init_element.
4302         (process_init_element): Pass origtype from c_expr to
4303         output_init_element.
4304         (c_finish_return): Add origtype parameter.  Change all callers.
4305         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4306         caller.
4307         (sync_resolve_params): Likewise.
4308         (sync_resolve_return): Change params to first_param.  Change caller.
4309         (resolve_overloaded_builtins): Change params to VEC *.  Change
4310         callers.  Save first parameter around call to build_function_call_vec.
4311         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4312         callers.  Call build_function_call_vec rather than
4313         build_function_call for cleanup.
4314         * c-tree.h: Update declarations.
4315         * c-common.h: Update declarations.
4316         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4317         params to first_param.
4318         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4319         params parameter from tree to void *.
4320         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4321         Change arglist parameter to have type void *, and to be a pointer
4322         to a VEC.
4323         * config/rs6000/rs6000-protos.h
4324         (altivec_resolve_overloaded_builtin): Update declaration.
4325         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4326         fnargs parameter to have type void *, and to be a pointer to a
4327         VEC.  Call build_function_call_vec instead of
4328         build_function_call.
4329         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4330
4331 2009-04-20  Joey Ye  <joey.ye@intel.com>
4332             Xuepeng Guo  <xuepeng.guo@intel.com>
4333             H.J. Lu  <hongjiu.lu@intel.com>
4334
4335         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4336
4337         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4338         (IX86_LEA_PRIORITY): Likewise.
4339         (distance_non_agu_define): New function.
4340         (distance_agu_use): Likewise.
4341         (ix86_lea_for_add_ok): Likewise.
4342         (ix86_dep_by_shift_count): Likewise.
4343
4344         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4345         should split for LEA.
4346
4347         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4348         function.
4349         (ix86_dep_by_shift_count): Likewise.
4350
4351 2009-04-20  Richard Guenther  <rguenther@suse.de>
4352
4353         * expr.c (handled_component_p): Move ...
4354         * tree.h (handled_component_p): ... here.
4355         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4356         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4357         and REALPART_EXPR to be in one group.
4358
4359 2009-04-20  Richard Guenther  <rguenther@suse.de>
4360
4361         * basic-block.h (get_all_dominated_blocks): Declare.
4362         * dominance.c (get_all_dominated_blocks): New function.
4363         * tree-cfg.c (get_all_dominated_blocks): Remove.
4364         (remove_edge_and_dominated_blocks): Adjust.
4365         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4366         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4367         instead of recursing.
4368
4369 2009-04-20  Doug Kwan  <dougkwan@google.com>
4370
4371         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4372         (struct cgraph_node_set_def): New type.
4373         (cgraph_node_set) New type. Also declare vector functions.
4374         (struct cgraph_node_set_element_def): New type.
4375         (cgraph_node_set_element): Ditto.
4376         (cgraph_node_set_iterator): New iterator type.
4377         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4378         cgraph_node_set_remove, dump_cgraph_node_set,
4379         debug_cgraph_node_set): New prototypes.
4380         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4381         cgraph_node_set_size): New inlines.
4382         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4383         including cgraph.h.
4384         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4385         argument to function 'write_summary'.
4386         * ipa.c: Include ggc.h.
4387         (hash_cgraph_node_set_element,
4388         eq_cgraph_node_set_element, cgraph_node_set_new,
4389         cgraph_node_set_add, cgraph_node_set_remove,
4390         cgraph_node_set_find, dump_cgraph_node_set,
4391         debug_cgraph_node_set): New functions.
4392         * Makefile.in (ipa.o): Add dependency on GGC_H.
4393
4394 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4395
4396         PR tree-optimization/39675
4397         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4398         check of the return code of vect_schedule_slp. Check that
4399         stmt_vec_info still exists for the statement, before checking its
4400         vectorization type.
4401
4402 2009-04-20  Michael Matz  <matz@suse.de>
4403
4404         * Makefile.in (generated_files): Take out $(simple_generated_c).
4405
4406 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4407
4408         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4409         (UINTPTR_TYPE):  Likewise.
4410
4411 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4412
4413         PR c/37481
4414         * c-typeck.c (digest_init): Check for initializing an array with a
4415         string literal.
4416
4417 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4418
4419         PR c/19771
4420         * c-semantics.c (pop_stmt_list): Propagate
4421         STATEMENT_LIST_HAS_LABEL to parent statement list.
4422
4423 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4424
4425         * config/mips/mips.h (mips_tune_attr): New macro.
4426         * config/mips/mips.md (cpu): Use it.
4427
4428 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4429
4430         PR c/38243
4431         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4432         declaring a tag.
4433
4434 2009-04-19  Diego Novillo  <dnovillo@google.com>
4435
4436         * toplev.c (compile_file): Move call to coverage_finish ...
4437         * cgraphunit.c (ipa_passes): ... here.
4438         Call cgraph_process_new_functions.
4439         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4440         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4441
4442 2009-04-19  Jan Hubicka  <jh@suse.cz>
4443
4444         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4445         cfun.
4446         (dump_cgraph_node): Dump can throw external flag.
4447         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4448
4449 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4450
4451         PR c/32061
4452         PR c++/36954
4453         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4454         * common.opt (Wlogical-op): Move from here...
4455         * c.opt (Wlogical-op): ... to here.
4456         * c-typeck.c (parser_build_binary_op): Update call to
4457         warn_logical_operator.
4458         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4459         extra_warnings.
4460         * c-common.c (warn_logical_op): Update.
4461         * c-common.h (warn_logical_op): Update declaration.
4462
4463 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4464
4465         * tree.c (protected_set_expr_location): Fix formatting.
4466
4467 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4468
4469         PR c/27676
4470         * c-typeck.c (readonly_warning): new.
4471         (build_unary_op, build_modify_expr): Use readonly_warning for
4472         storing into something readonly but not const-qualified.
4473
4474 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4475
4476         PR c/22367
4477         * c-typeck.c (build_unary_op): Check for taking address of
4478         expression of type void.
4479
4480 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4481
4482         PR c/35210
4483         * c-typeck.c (build_function_call): Check for calling a function
4484         with qualified void return types.  Call require_complete_type when
4485         generating a trap.
4486
4487 2009-04-18  Jan Hubicka  <jh@suse.cz>
4488
4489         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4490         Set nothrow flag.
4491         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4492         can_throw_external flag.
4493         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4494         * ipa-pure-const.c (ignore_edge): New function.
4495         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4496         only over can_throw_external edges.
4497         (local_pure_const): Add nothrow flag.
4498         * ipa-utils.c (searchc): Add ignore_edge callback.
4499         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4500         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4501         (set_nothrow_function_flags): Update cgraph.
4502         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4503
4504 2009-04-18  Richard Guenther  <rguenther@suse.de>
4505
4506         PR middle-end/39804
4507         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4508         (fold_stmt): ... this and ...
4509         (fold_stmt_inplace): ... this.
4510         (fold_stmt_1): Fold references in calls and asms.
4511         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4512
4513 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4514
4515         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4516         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4517
4518 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4519
4520         * tree.c (function_args_count): Remove.
4521         * tree.h: Remove the prototype for function_args_count.
4522
4523 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4524
4525         * tree-iterator.c (expr_only): Remove.
4526         * tree.h: Remove the prototype for expr_only.
4527
4528 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4529
4530         * reginfo.c (cannot_change_mode_set_regs): Remove.
4531         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4532
4533 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4534
4535         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4536         whether operands 0 and 1 overlaps.
4537
4538 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4539
4540         PR middle-end/36902
4541         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4542         pointer. Use warning_at instead of warning.
4543         (search_for_addr_array): Likewise.
4544         (check_array_bounds): Likewise.
4545         (check_all_array_refs): Check that the incoming edge is not in the
4546         list of edges to be removed.
4547         (check_all_array_refs): Avoid the temporal pointer.
4548         (vrp_visit_cond_stmt): Fix typo.
4549         (simplify_switch_using_ranges): Handle the case where the switch
4550         index is an integer constant.
4551
4552 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4553
4554         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4555
4556 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4557
4558         * doc/extend.texi, doc/invoke.texi: Fix typos.
4559
4560 2009-04-17  Cary Coutant  <ccoutant@google.com>
4561
4562         * tree-flow-inline.h (get_lineno): Fix inverted test.
4563
4564 2009-04-17  Diego Novillo  <dnovillo@google.com>
4565
4566         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4567         assertion for AVAIL_OUT.
4568
4569 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4570
4571         PR target/38627
4572         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4573         * config/sh/linux-atomic.asm: Likewise.
4574
4575 2009-04-17  Diego Novillo  <dnovillo@google.com>
4576
4577         * except.c (debug_eh_tree): New.
4578         (struct eh_region, struct eh_status): Move ...
4579         * except.h: ... here.
4580         (add_type_for_runtime): Declare extern.
4581         (lookup_type_for_runtime): Likewise.
4582         (debug_eh_tree): Declare.
4583         * Makefile.in (GTFILES): List except.h before except.c
4584
4585 2009-04-17  Diego Novillo  <dnovillo@google.com>
4586
4587         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4588         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4589         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4590         (find_vars_r): ... here.
4591         * tree-flow.h (find_referenced_vars_in): Declare.
4592         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4593         that AVAIL_OUT exists for BLOCK.
4594         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4595         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4596         (tree-parloops.o): Likewise.
4597
4598 2009-04-17  Simon Baldwin  <simonb@google.com>
4599
4600         * toplev.c (default_tree_printer): Add handling for %E format.
4601
4602 2009-04-17  Diego Novillo  <dnovillo@google.com>
4603
4604         * tree-pretty-print.c (dump_generic_node): Add break after
4605         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4606         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4607         FUNCTION_TYPE together.  Call print_struct_decl when printing
4608         structures and TDF_SLIM is not given.
4609         (print_struct_decl): Fix logic for detecting recursion.
4610
4611 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4612
4613         PR 31567
4614         * gcc.c (create_at_file): New.
4615         (compile_input_file_p): New.
4616         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4617         * main.c (main): Update call to toplev_main.
4618         * toplev.c (toplev_main): Change signature. Call expandargv.
4619         * toplev.h (toplev_main): Change signature.
4620
4621 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4622
4623         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4624         if the latter is not constant.
4625
4626 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4627
4628         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4629
4630 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4631
4632         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4633         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4634
4635 2009-04-17  Richard Guenther  <rguenther@suse.de>
4636
4637         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4638         Handle component references view-converting an invariant address.
4639
4640 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4641
4642         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4643         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4644         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4645         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4646         Use @deftypevr rather than @deftypevar.
4647
4648 2009-04-17  Richard Guenther  <rguenther@suse.de>
4649
4650         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4651         (get_prop_source_stmt): Likewise.
4652         (can_propagate_from): Likewise.
4653
4654 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4655
4656         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4657         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4658         (--with-multilib-list): Add default value.
4659         * configure: Regenerate.
4660         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4661         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4662         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4663         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4664         Don't add default cpu to multilib list unnecessarily, but do enable
4665         the relevant compiler option..
4666         Add support for --with-multilib-list=<blank> and
4667         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4668         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4669         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4670         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4671         TM_MULTILIB_CONFIG.
4672         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4673         (MULTILIB_OSDIRNAMES): New variable.
4674         * config/sh/t-1e: Delete file.
4675         * config/sh/t-mlib-sh1: Delete file.
4676         * config/sh/t-mlib-sh2: Delete file.
4677         * config/sh/t-mlib-sh2a: Delete file.
4678         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4679         * config/sh/t-mlib-sh2a-single: Delete file.
4680         * config/sh/t-mlib-sh2a-single-only: Delete file.
4681         * config/sh/t-mlib-sh2e: Delete file.
4682         * config/sh/t-mlib-sh3e: Delete file.
4683         * config/sh/t-mlib-sh4: Delete file.
4684         * config/sh/t-mlib-sh4-nofpu: Delete file.
4685         * config/sh/t-mlib-sh4-single: Delete file.
4686         * config/sh/t-mlib-sh4-single-only: Delete file.
4687         * config/sh/t-mlib-sh4a: Delete file.
4688         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4689         * config/sh/t-mlib-sh4a-single: Delete file.
4690         * config/sh/t-mlib-sh4a-single-only: Delete file.
4691         * config/sh/t-mlib-sh4al: Delete file.
4692         * config/sh/t-mlib-sh5-32media: Delete file.
4693         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4694         * config/sh/t-mlib-sh5-64media: Delete file.
4695         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4696         * config/sh/t-mlib-sh5-compact: Delete file.
4697         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4698         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4699         * doc/install.texi (Options specification): Add
4700         --with-multilib-list and --with-endian.
4701
4702 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4703
4704         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4705         REVISION_c.
4706         (OBJS-common): Add plugin-version.o.
4707         (plugin-version.o): New.
4708         * gcc-plugin.h (plugin_gcc_version): New.
4709         (plugin_default_version_check): New.
4710         (plugin_init_func, plugin_init): Add version argument.
4711         * plugin-version.c: New.
4712         * plugin.c (str_plugin_gcc_version_name): New.
4713         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4714         pass it to the init function.
4715         (plugin_default_version_check): New.
4716
4717 2009-04-17  Richard Guenther  <rguenther@suse.de>
4718
4719         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4720         for decl-vs-decl disambiguation.
4721
4722 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4723
4724         * config/s390/s390.h (s390_tune_attr): New macro definition.
4725         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4726
4727 2009-04-17  Richard Guenther  <rguenther@suse.de>
4728
4729         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4730         (fold_stmt_r): Likewise.
4731         (maybe_fold_reference): New function.
4732         (fold_gimple_assign): Handle cases fold_stmt_r did.
4733         (fold_stmt): Do not use fold_stmt_r.
4734         (fold_stmt_inplace): Likewise.
4735
4736 2009-04-17  Richard Guenther  <rguenther@suse.de>
4737
4738         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4739         (record_equivalences_from_stmt): Remove useless checks and
4740         simplifications.
4741         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4742         the type is already suitable.
4743
4744 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4745
4746         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4747
4748 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4749
4750         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4751         (CMPtype): Define as __gcc_CMPtype.
4752
4753 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4754
4755         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4756         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4757
4758 2009-04-17  Richard Guenther  <rguenther@suse.de>
4759
4760         PR tree-optimization/39746
4761         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4762         special-casing for builtins and static variable use/def.
4763         (call_may_clobber_ref_p_1): Likewise.
4764
4765 2009-04-16  Ian Lance Taylor  <iant@google.com>
4766
4767         * df.h: Include "timevar.h".
4768         (struct df_problem): Change tv_id field to timevar_id_t.
4769         * tree-pass.h: Include "timevar.h".
4770         (struct opt_pass): Change tv_id field to timevar_id_t.
4771         * timevar.h (timevar_id_t): Define TV_NONE.
4772         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4773         TV_NONE rather than tv_id != 0.
4774         (execute_one_pass): Likewise.
4775         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4776         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4777         dependencies to $(TREE_PASS_H).
4778         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4779         to TV_NONE.
4780         (pass_branch_target_load_optimize2): Likewise.
4781         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4782         (pass_outof_cfg_layout_mode): Likewise.
4783         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4784         (pass_rebuild_cgraph_edges): Likewise.
4785         (pass_remove_cgraph_callee_edges): Likewise.
4786         * df-core.c (pass_df_initialize_opt): Likewise.
4787         (pass_df_initialize_no_opt): Likewise.
4788         (pass_df_finish): Likewise.
4789         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4790         * except.c (pass_set_nothrow_function_flags): Likewise.
4791         (pass_convert_to_eh_region_ranges): Likewise.
4792         * final.c (pass_compute_alignments): Likewise.
4793         * function.c (pass_instantiate_virtual_regs): Likewise.
4794         (pass_init_function): Likewise.
4795         (pass_leaf_regs): Likewise.
4796         (pass_match_asm_constraints): Likewise.
4797         * gimple-low.c (pass_lower_cf): Likewise.
4798         (pass_mark_used_blocks): Likewise.
4799         * init-regs.c (pass_initialize_regs): Likewise.
4800         * integrate.c (pass_initial_value_sets): Likewise.
4801         * ira.c (pass_ira): Likewise.
4802         * jump.c (pass_cleanup_barriers): Likewise.
4803         * omp-low.c (pass_expand_omp): Likewise.
4804         (pass_lower_omp): Likewise.
4805         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4806         * recog.c (pass_split_all_insns): Likewise.
4807         (pass_split_after_reload): Likewise.
4808         (pass_split_before_regstack): Likewise.
4809         (pass_split_before_sched2): Likewise.
4810         (pass_split_for_shorten_branches): Likewise.
4811         * reginfo.c (pass_reginfo_init): Likewise.
4812         (pass_subregs_of_mode_init): Likewise.
4813         (pass_subregs_of_mode_finish): Likewise.
4814         * passes.c (pass_postreload): Likewise.
4815         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4816         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4817         (pass_warn_function_return): Likewise.
4818         (pass_warn_function_noreturn): Likewise.
4819         * tree-complex.c (pass_lower_complex): Likewise.
4820         (pass_lower_complex_O0): Likewise.
4821         * tree-if-conv.c (pass_if_conversion): Likewise.
4822         * tree-into-ssa.c (pass_build_ssa): Likewise.
4823         * tree-mudflap.c (pass_mudflap_1): Likewise.
4824         (pass_mudflap_2): Likewise.
4825         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4826         (pass_mudflap_2): Likewise.
4827         * tree-nrv.c (pass_return_slot): Likewise.
4828         * tree-object-size.c (pass_object_sizes): Likewise.
4829         * tree-optimize.c (pass_all_optimizations): Likewise.
4830         (pass_early_local_passes): Likewise.
4831         (pass_all_early_optimizations): Likewise.
4832         (pass_cleanup_cfg): Likewise.
4833         (pass_cleanup_cfg_post_optimizing): Likewise.
4834         (pass_free_datastructures): Likewise.
4835         (pass_free_cfg_annotations): Likewise.
4836         (pass_fixup_cfg): Likewise.
4837         (pass_init_datastructures): Likewise.
4838         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4839         (pass_late_warn_uninitialized): Likewise.
4840         (pass_update_address_taken): Likewise.
4841         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4842         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4843         (pass_cse_sincos): Likewise.
4844         (pass_convert_to_rsqrt): Likewise.
4845         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4846         * tree-stdarg.c (pass_stdarg): Likewise.
4847         * tree-tailcall.c (pass_tail_recursion): Likewise.
4848         (pass_tail_calls): Likewise.
4849         * tree-vect-generic.c (pass_lower_vector): Likewise.
4850         (pass_lower_vector_ssa): Likewise.
4851         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4852
4853 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4854
4855         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4856         XLR entry.
4857         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4858         Handle -march=xlr.
4859         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4860         logical and signext.
4861
4862 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4863
4864         PR target/39767
4865         * config/sh/predicates.md (arith_operand): Check if the operand
4866         of TRUNCATE is a REG.
4867
4868 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4869
4870         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4871         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4872
4873 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4874
4875         * tree-iterator.c (tsi_split_statement_list_after,
4876         tsi_split_statement_list_before): Remove.
4877         * tree-iterator.h: Remove the prototypes for
4878         tsi_split_statement_list_after and tsi_split_statement_list_before.
4879
4880 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4881
4882         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4883         * tree-ssa-propagate.h: Remove the prototype for
4884         stmt_makes_single_load.
4885
4886 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4887
4888         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4889         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4890
4891 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4892
4893         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4894
4895 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4896
4897         * except.c (eh_region_outer_p): Remove.
4898         * except.h: Remove the prototype for eh_region_outer_p.
4899
4900 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4901
4902         * function.c (current_function_assembler_name): Remove.
4903         * function.h: Remove the prototype for
4904         current_function_assembler_name.
4905
4906 2009-04-16  Ian Lance Taylor  <iant@google.com>
4907
4908         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4909         (add_reg_note): Call alloc_reg_note.
4910         * rtl.h (alloc_reg_note): Declare.
4911         * combine.c (try_combine): Use alloc_reg_note.
4912         (recog_for_combine, move_deaths): Likewise.
4913         (distribute_notes): Use alloc_reg_note and add_reg_note.
4914         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4915         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4916         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4917
4918 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4919
4920         PR rtl-optimization/39762
4921         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4922         ira_may_move_out_cost): Add comments about way of their usage.
4923         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4924
4925         * ira-conflicts.c (process_regs_for_copy): Use function
4926         ira_get_register_move_cost instead of global
4927         ira_register_move_cost.
4928
4929         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4930         color_pass, move_spill_restore, update_curr_costs): Ditto.
4931
4932         * ira-lives.c (process_single_reg_class_operands): Ditto.
4933
4934         * ira-emit.c (emit_move_list): Ditto.
4935
4936         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4937         (record_reg_classes): Ditto.  Use functions
4938         ira_get_register_move_cost and ira_get_may_move_cost instead of
4939         global vars ira_register_move_cost, ira_may_move_out_cost and
4940         ira_may_move_in_cost.
4941         (record_address_regs): Don't call ira_init_register_move_cost.
4942         Use function ira_get_may_move_cost instead of global
4943         ira_may_move_in_cost.
4944         (process_bb_node_for_hard_reg_moves): Use function
4945         ira_get_register_move_cost instead of global ira_register_move_cost.
4946         (ira_costs): Don't call ira_init_register_move_cost.
4947
4948 2009-04-16  Richard Guenther  <rguenther@suse.de>
4949
4950         * tree-cfg.c (verify_gimple_assign_binary):
4951         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4952         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4953         (create_general_new_stmt): Note that this function is broken.
4954
4955 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4956
4957         * common.opt (fhelp): Add Var(help_flag).
4958         * gcc-plugin.h (plugin_info): Add help.
4959         * plugin.c (plugin_name_args): Add help.
4960         (register_plugin_info): Set plugin->help.
4961         (print_help_one_plugin): New.
4962         (print_plugins_help): New.
4963         * plugin.h (print_plugins_help): New.
4964         * toplev.c (toplev_main): Call print_plugins_help if needed.
4965
4966 2009-04-16  Richard Guenther  <rguenther@suse.de>
4967
4968         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4969         (gimple_ior_addresses_taken_1): New function.
4970         (gimple_ior_addresses_taken): Likewise.
4971         * gimple.h (struct gimple_statement_with_ops_base): Remove
4972         addresses_taken member.
4973         (gimple_ior_addresses_taken): Declare.
4974         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4975         gimple_set_addresses_taken): Remove.
4976         * ipa-reference.c (mark_address): New function.
4977         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4978         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4979         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4980         (gimple_add_to_addresses_taken): Remove.
4981         (get_tmr_operands): Call mark_address_taken.
4982         (get_asm_expr_operands): Likewise.
4983         (get_expr_operands): Likewise.
4984         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4985         (free_stmt_operands): Do not free it.
4986         * tree-ssa.c (delete_tree_ssa): Likewise.
4987         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4988
4989 2009-04-16  Richard Guenther  <rguenther@suse.de>
4990
4991         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4992         (walk_stmt_load_store_ops): Likewise.
4993         * gimple.c (get_base_loadstore): New function.
4994         (walk_stmt_load_store_addr_ops): Likewise.
4995         (walk_stmt_load_store_ops): Likewise.
4996         * ipa-pure-const.c (check_op): Simplify.
4997         (check_load, check_store): New functions.
4998         (check_stmt): Use walk_stmt_load_store_ops.
4999         * ipa-reference.c (mark_load): Adjust signature.
5000         (mark_store): Likewise.
5001         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5002
5003 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5004
5005         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5006         (plugin_info): New.
5007         * opts.c (common_handle_option): Don't call print_version.
5008         * plugin.c (plugin_name_args): Add version.
5009         (register_plugin_info): New.
5010         (register_callback): Handle PLUGIN_INFO.
5011         (try_init_one_plugin): New.
5012         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5013         if failed to init.
5014         (finalize_one_plugin): New.
5015         (finalize_plugins): New.
5016         (print_one_plugin): New.
5017         (print_plugins_versions): New.
5018         * plugin.h (print_plugins_versions): New.
5019         (finalize_plugins): New.
5020         * toplev.c (compile_file): Don't call initialize_plugins.
5021         (print_version): Call print_plugins_versions.
5022         (toplev_main): Call initialize_plugins. Print version if needed.
5023         Call finalize_plugins.
5024
5025 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5026
5027         * common.opt (fversion): New.
5028         * gcc.c (print_version): New.
5029         (process_command): Don't print the version. Just set print_version.
5030         (main): Print version. Call subprocesses if print_version and
5031         verbose_flag are set.
5032         * opts.c (common_handle_option): Handle OPT_fversion.
5033
5034 2009-04-16  Richard Guenther  <rguenther@suse.de>
5035             Ira Rosen  <irar@il.ibm.com>
5036
5037         PR tree-optimization/39698
5038         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5039         type of the reduction variable.  Only generate the def if
5040         it is needed.
5041
5042         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5043         make sure to first convert to an integer of the same precision.
5044         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5045         the type of the evolution correctly in computing the new
5046         induction variable base.
5047
5048 2009-04-16  Richard Guenther  <rguenther@suse.de>
5049
5050         PR middle-end/39625
5051         * tree-cfg.c (make_blocks): Split statements with to-be
5052         abnormal SSA names on the lhs.
5053
5054 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5055
5056         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5057         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5058         * c-typeck.c (really_start_incremental_init): Likewise.
5059         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5060         (TARGET_INITIALIZER): Remove it.
5061         * target.h (struct target): Remove vector_opaque_p.
5062         * tree.c (build_opaque_vector_type): New.
5063         * tree.h (TYPE_VECTOR_OPAQUE): New.
5064         (build_opaque_vector_type): Declare.
5065         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5066         * config/rs6000/rs6000.c (build_opaque_vector_type,
5067         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5068         (rs6000_init_builtins): Use build_opaque_vector_type for
5069         opaque_V4SI_type_node.
5070
5071 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5072
5073         * debug.h (set_name):  Declare.
5074         * dwarf2out.c (dwarf2out_set_name): Declare.
5075         (dwarf2_debug_hooks): Add set_name.
5076         (find_AT_string): New.
5077         (add_AT_string): Call find_AT_string.
5078         (dwarf2out_set_name): New.
5079         * cp/decl.c (grokdeclarator): Call set_name.
5080         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5081         * debug.c (do_nothing_debug_hooks):  Likewise.
5082         * dbxout.c (dbx_debug_hooks): Likewise.
5083         * sdbout.c (sdb_debug_hooks): Likewise.
5084
5085 2009-04-15  Michael Eager  <eager@eagercon.com>
5086
5087         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5088         reg for single-precision FPU.
5089         * config/rs6000/rs6000.md (movsi_internal1): Only for
5090         !TARGET_SINGLE_FPU.
5091         (movsi_internal1_single): New. Add pattern to move SI values to/from
5092         single-precision FP regs.
5093
5094 2009-04-15  Richard Guenther  <rguenther@suse.de>
5095
5096         * omp-low.c (lower_rec_input_clauses): Build correct address
5097         expressions.
5098         (expand_omp_for_generic): Fix multiplication type.
5099         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5100         (generate_memset_zero): Fix types.
5101         * tree-profile.c (prepare_instrumented_value): Correctly
5102         widen a pointer.
5103
5104 2009-04-15  Ian Lance Taylor  <iant@google.com>
5105
5106         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5107         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5108         for -Wall and for -Wc++-compat.
5109         (c_common_post_options): For C++, set warn_enum_compare if not
5110         already set.
5111         * c-tree.h (struct c_expr): Add field original_type.
5112         (build_external_ref): Update declaration.
5113         * c-parser.c (c_parser_braced_init): Set original_type.
5114         (c_parser_initelt): Likewise.
5115         (c_parser_expr_no_commas): Likewise.
5116         (c_parser_conditional_expression): Likewise.
5117         (c_parser_cast_expression): Likewise.
5118         (c_parser_unary_expression): Likewise.  Pull setting of
5119         original_code to top of function.
5120         (c_parser_sizeof_expression): Set original_type.
5121         (c_parser_alignof_expression): Likewise.
5122         (c_parser_postfix_expression): Likewise.  Pull setting of
5123         original_code to top of function.
5124         (c_parser_postfix_expression_after_paren_type): Set original_type.
5125         (c_parser_postfix_expression_after_primary): Likewise.
5126         (c_parser_expression): Likewise.
5127         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5128         callers.
5129         (c_expr_sizeof_expr): Set original_type field.
5130         (parser_build_unary_op): Likewise.
5131         (parser_build_binary_op): Likewise.  Optionally warn about
5132         comparisons of enums of different types.
5133         (digest_init): Set original_type field.
5134         (really_start_incremental_init): Likewise.
5135         (push_init_level, pop_init_level): Likewise.
5136         * doc/invoke.texi (Warning Options): -Wenum-compare now
5137         supported in C.
5138
5139 2009-04-15  Richard Guenther  <rguenther@suse.de>
5140
5141         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5142         out a necessary conversion.
5143         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5144         names we didn't value number.
5145         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5146
5147 2009-04-15  Richard Guenther  <rguenther@suse.de>
5148
5149         PR tree-optimization/39764
5150         * tree-ssa-ccp.c (get_value): Canonicalize value with
5151         canonicalize_float_value.
5152
5153 2009-04-15  Jan Hubicka  <jh@suse.cz>
5154
5155         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5156         Wrong version of patch.
5157
5158 2009-04-15  Jan Hubicka  <jh@suse.cz>
5159
5160         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5161
5162 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5163
5164         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5165         our distinct integral and vector types.
5166
5167 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5168
5169         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5170         * init.c (build_vtbl_address): Remove call to assemble_external.
5171
5172 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5173
5174         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5175         output for other floating point modes.
5176
5177 2009-04-14  Diego Novillo  <dnovillo@google.com>
5178
5179         * diagnostic.c (diagnostic_report_diagnostic): Do not
5180         warn about loaded plugins for DK_ERROR and DK_WARNING.
5181         * c-decl.c (declspecs_add_type): Move call to
5182         invoke_plugin_callbacks ...
5183         * c-parser.c (c_parser_declspecs): ... here.
5184         * plugin.c (dump_active_plugins): Tidy output.
5185
5186 2009-04-14  Diego Novillo  <dnovillo@google.com>
5187             Le-Chun Wu  <lcwu@google.com>
5188
5189         * configure.ac: Add --enable-plugin support.
5190         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5191         * Makefile.in (PLUGIN_H): Define.
5192         Export ENABLE_PLUGIN and GMPINC to site.exp.
5193         Add PLUGINLIBS to link command.
5194         Add/modify dependencies for plugin.o and files including plugin.h.
5195         (plugin.o): New.
5196         * config.in: Regenerate.
5197
5198         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5199         OPT_fplugin_arg_.
5200
5201 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5202
5203         * tree-pass.h (register_one_dump_file): Add a prototype for
5204         register_one_dump_file.
5205         * toplev.c (compile_file): Call initialize_plugins.
5206         (do_compile): Call invoke_plugin_callbacks.
5207         (toplev_main): Call invoke_plugin_callbacks.
5208         * common.opt: Add -fplugin= and -fplugin-arg-.
5209         * gcc-plugin.h: New public header file for plugins to include.
5210         * plugin.c: New source file.
5211         * plugin.h: New internal header file.
5212         * passes.c (register_one_dump_file): Make it external.
5213
5214         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5215
5216 2009-04-14  Diego Novillo  <dnovillo@google.com>
5217
5218         * doc/plugins.texi: New.
5219         * doc/gccint.texi: Add reference to Plugins chapter.
5220         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5221         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5222         loaded plugins, if any.
5223         * timevar.def (TV_PLUGIN_INIT): Define.
5224         (TV_PLUGIN_RUN): Define.
5225         * plugin.c: Include timevar.h
5226         (plugins_active_p): New.
5227         (dump_active_plugins): New.
5228         (debug_active_plugins): New.
5229
5230 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5231
5232         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5233         library paths.
5234         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5235
5236 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5237
5238         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5239         the same as a minus without a shift.
5240
5241 2009-04-14  Nick Clifton  <nickc@redhat.com>
5242
5243         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5244         comparisons with small integers will always produce a short
5245         branch.
5246
5247 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5248
5249         Merge:
5250         2008-12-19  Diego Novillo  <dnovillo@google.com>
5251
5252         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5253
5254 2009-04-14  Richard Guenther  <rguenther@suse.de>
5255
5256         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5257         verification.
5258         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5259         rotates correctly.
5260         (verify_gimple_phi): Print the mismatched argument position.
5261         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5262         Fix types.
5263         (vect_update_init_of_dr): Likewise.
5264         * matrix-reorg.c (transform_access_sites): Do what the
5265         comment suggests.
5266         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5267
5268 2009-04-13  Michael Eager  <eager@eagercon.com>
5269
5270         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5271         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5272         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5273         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5274         remove duplicate config
5275
5276 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5277
5278         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5279         file_name:line_number type locator of the call site.
5280
5281 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5282
5283         * genautomata.c: Put blank after comma.
5284         (automaton_decls): New.
5285         (struct unit_usage): Add comments to member next.
5286         (store_alt_unit_usage): Keep the list ordered.
5287         (unit_present_on_list_p, equal_alternatives_p): New.
5288         (check_regexp_units_distribution): Check units distribution
5289         correctness correctly.
5290         (main): Don't write automata if error is found.  Return correct
5291         exit code.
5292
5293         * config/m68k/cf.md (cfv4_ds): Remove.
5294         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5295         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5296
5297         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5298         power4-load-ext, power4-store, power4-store-update,
5299         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5300         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5301         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5302         power4-sqrt, power4-isync): Modify reservation to make correct
5303         unit distribution to automata.
5304
5305         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5306         power5-store-update, power5-two, power5-three, power5-lmul,
5307         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5308
5309 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5310
5311         * except.c (pass_set_nothrow_function_flags): Set name and add
5312         TODO_dump_func.
5313         (set_nothrow_function_flags): Mention in the dump file when
5314         changing a function to nothrow.
5315
5316 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5317
5318         PR/39066
5319         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5320         instead of unsigned long.
5321
5322 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5323
5324         * config/arm/arm.c (return_used_this_function): Remove.
5325         (arm_output_function_prologue): Remove use of
5326         return_used_this_function.
5327         (output_return_instruction): Replace use of
5328         return_used_this_function
5329         by cfun->machine->return_used_this_function.
5330         (arm_output_epilogue): Likewise.
5331         (arm_output_function_epilogue): Likewise.
5332         (thumb_unexpanded_epilogue): Likewise.
5333         * config/arm/arm.h (struct machine_function):
5334         New member return_used_this_function.
5335
5336 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5337
5338         * doc/install.texi: Correct description of default directory for
5339         --with-gxx-include-dir.
5340
5341 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5342
5343         * fold-const.c (build_range_check): Properly deal with enumeral and
5344         boolean base types.
5345
5346 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5347
5348         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5349         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5350         * params.h (MAX_GCSE_PASSES): Remove.
5351         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5352         in sequence.  Remove ability to run multiple passes.
5353         (bypass_jumps): Report run as third CPROP pass.
5354
5355 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5356
5357         PR middle-end/39651
5358         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5359         when deciding whether the whole SEQUENCE can throw.
5360
5361 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5362
5363         PR target/39740
5364         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5365         offseted label references.
5366
5367 2009-04-11  Jan Hubicka  <jh@suse.cz>
5368
5369         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5370
5371 2009-04-11  Richard Guenther  <rguenther@suse.de>
5372
5373         PR middle-end/39732
5374         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5375         return variables as TREE_ADDRESSABLE.
5376
5377 2009-04-11  Richard Guenther  <rguenther@suse.de>
5378
5379         PR tree-optimization/39713
5380         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5381         reference trees have SSA_NAME operands.
5382
5383 2009-04-11  Richard Guenther  <rguenther@suse.de>
5384
5385         PR c/39712
5386         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5387         address expressions.
5388
5389 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5390
5391         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5392         match changes in Cygwin 1.7
5393         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5394         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5395
5396 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5397
5398         PR tree-optimization/39701
5399         * doc/invoke.texi (Optimization Options): Document change in
5400         meaning and initialization of -fdelete-null-pointer-checks.
5401
5402 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5403
5404         PR middle-end/39701
5405         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5406
5407         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5408         here.
5409
5410         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5411
5412 2009-04-10  Chao-ying Fu  <fu@mips.com>
5413
5414         * doc/tm.texi (Instruction Output): Document
5415         TARGET_ASM_FINAL_POSTSCAN_INSN.
5416         * target.h (final_postscan_insn): New field in asm_out.
5417         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5418         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5419         * final.c (final_scan_insn): Call
5420         targetm.asm_out.final_postscan_insn after outputting
5421         an asm macro and a normal instruction.
5422
5423         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5424         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5425         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5426         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5427         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5428
5429 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5430
5431         PR middle-end/39701
5432         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5433         variables as non-NULL even with -fdelete-null-pointer-checks.
5434
5435 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5436
5437         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5438
5439 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5440
5441         PR target/39678
5442         * config/i386/i386.c (classify_argument): Handle SCmode with
5443         (bit_offset % 64) != 0.
5444
5445 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5446
5447         * doc/invoke.texi (Optimize Options): Add cross-reference to
5448         -Q --help=optimizers examples.
5449
5450 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5451
5452         PR target/36800
5453         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5454         regalign for the reg == fpr and TDmode case.
5455
5456 2009-04-09  David Ayers  <ayers@fsfe.org>
5457
5458         PR objc/29200
5459         * objc/objc-act.c (warn_with_method): Remove helper function.
5460         (check_duplicates): Call warning and inform directly.
5461         (really_start_method): Likewise.
5462
5463 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5464
5465         * expmed.c (expand_divmod): Always use a comparison for a division
5466         by a large unsigned integer.
5467
5468         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5469         for things others than variables or functions as nonzero.
5470
5471 2009-04-09  Nick Clifton  <nickc@redhat.com>
5472
5473         * unwind-compat.c: Change copyright header to refer to version
5474         3 of the GNU General Public License with version 3.1 of the
5475         GCC Runtime Library Exception and to point readers at the
5476         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5477         * config/alpha/crtfastmath.c: Likewise.
5478         * config/alpha/linux-unwind.h: Likewise.
5479         * config/alpha/qrnnd.asm: Likewise.
5480         * config/alpha/vms-crt0-64.c: Likewise.
5481         * config/alpha/vms-crt0.c: Likewise.
5482         * config/alpha/vms-dwarf2.asm: Likewise.
5483         * config/alpha/vms-dwarf2eh.asm: Likewise.
5484         * config/alpha/vms-psxcrt0-64.c: Likewise.
5485         * config/alpha/vms-psxcrt0.c: Likewise.
5486         * config/alpha/vms_tramp.asm: Likewise.
5487         * config/arc/initfini.c: Likewise.
5488         * config/arc/lib1funcs.asm: Likewise.
5489         * config/arm/bpabi-v6m.S: Likewise.
5490         * config/arm/bpabi.S: Likewise.
5491         * config/arm/bpabi.c: Likewise.
5492         * config/arm/crti.asm: Likewise.
5493         * config/arm/crtn.asm: Likewise.
5494         * config/arm/ieee754-df.S: Likewise.
5495         * config/arm/ieee754-sf.S: Likewise.
5496         * config/arm/lib1funcs.asm: Likewise.
5497         * config/arm/libunwind.S: Likewise.
5498         * config/arm/linux-atomic.c: Likewise.
5499         * config/arm/mmintrin.h: Likewise.
5500         * config/arm/pr-support.c: Likewise.
5501         * config/arm/unaligned-funcs.c: Likewise.
5502         * config/arm/unwind-arm.c: Likewise.
5503         * config/arm/unwind-arm.h: Likewise.
5504         * config/avr/libgcc.S: Likewise.
5505         * config/bfin/crti.s: Likewise.
5506         * config/bfin/crtlibid.s: Likewise.
5507         * config/bfin/crtn.s: Likewise.
5508         * config/bfin/lib1funcs.asm: Likewise.
5509         * config/bfin/linux-unwind.h: Likewise.
5510         * config/cris/arit.c: Likewise.
5511         * config/cris/cris_abi_symbol.c: Likewise.
5512         * config/darwin-64.c: Likewise.
5513         * config/darwin-crt2.c: Likewise.
5514         * config/darwin-crt3.c: Likewise.
5515         * config/darwin.h: Likewise.
5516         * config/dbxelf.h: Likewise.
5517         * config/dfp-bit.c: Likewise.
5518         * config/dfp-bit.h: Likewise.
5519         * config/elfos.h: Likewise.
5520         * config/fixed-bit.c: Likewise.
5521         * config/fixed-bit.h: Likewise.
5522         * config/fp-bit.c: Likewise.
5523         * config/fp-bit.h: Likewise.
5524         * config/fr30/crti.asm: Likewise.
5525         * config/fr30/crtn.asm: Likewise.
5526         * config/fr30/lib1funcs.asm: Likewise.
5527         * config/freebsd-spec.h: Likewise.
5528         * config/frv/cmovd.c: Likewise.
5529         * config/frv/cmovh.c: Likewise.
5530         * config/frv/cmovw.c: Likewise.
5531         * config/frv/frvbegin.c: Likewise.
5532         * config/frv/frvend.c: Likewise.
5533         * config/frv/lib1funcs.asm: Likewise.
5534         * config/glibc-stdint.h: Likewise.
5535         * config/h8300/clzhi2.c: Likewise.
5536         * config/h8300/crti.asm: Likewise.
5537         * config/h8300/crtn.asm: Likewise.
5538         * config/h8300/ctzhi2.c: Likewise.
5539         * config/h8300/fixunssfsi.c: Likewise.
5540         * config/h8300/lib1funcs.asm: Likewise.
5541         * config/h8300/parityhi2.c: Likewise.
5542         * config/h8300/popcounthi2.c: Likewise.
5543         * config/i386/ammintrin.h: Likewise.
5544         * config/i386/att.h: Likewise.
5545         * config/i386/avxintrin.h: Likewise.
5546         * config/i386/biarch64.h: Likewise.
5547         * config/i386/bmmintrin.h: Likewise.
5548         * config/i386/cpuid.h: Likewise.
5549         * config/i386/cross-stdarg.h: Likewise.
5550         * config/i386/crtfastmath.c: Likewise.
5551         * config/i386/crtprec.c: Likewise.
5552         * config/i386/cygming-crtbegin.c: Likewise.
5553         * config/i386/cygming-crtend.c: Likewise.
5554         * config/i386/cygwin.asm: Likewise.
5555         * config/i386/emmintrin.h: Likewise.
5556         * config/i386/gmm_malloc.h: Likewise.
5557         * config/i386/gthr-win32.c: Likewise.
5558         * config/i386/i386.h: Likewise.
5559         * config/i386/immintrin.h: Likewise.
5560         * config/i386/linux-unwind.h: Likewise.
5561         * config/i386/linux64.h: Likewise.
5562         * config/i386/mm3dnow.h: Likewise.
5563         * config/i386/mmintrin-common.h: Likewise.
5564         * config/i386/mmintrin.h: Likewise.
5565         * config/i386/nmmintrin.h: Likewise.
5566         * config/i386/pmm_malloc.h: Likewise.
5567         * config/i386/pmmintrin.h: Likewise.
5568         * config/i386/smmintrin.h: Likewise.
5569         * config/i386/sol2-c1.asm: Likewise.
5570         * config/i386/sol2-ci.asm: Likewise.
5571         * config/i386/sol2-cn.asm: Likewise.
5572         * config/i386/sol2-gc1.asm: Likewise.
5573         * config/i386/tmmintrin.h: Likewise.
5574         * config/i386/unix.h: Likewise.
5575         * config/i386/w32-unwind.h: Likewise.
5576         * config/i386/wmmintrin.h: Likewise.
5577         * config/i386/x86-64.h: Likewise.
5578         * config/i386/x86intrin.h: Likewise.
5579         * config/i386/xmmintrin.h: Likewise.
5580         * config/ia64/crtbegin.asm: Likewise.
5581         * config/ia64/crtend.asm: Likewise.
5582         * config/ia64/crtfastmath.c: Likewise.
5583         * config/ia64/crti.asm: Likewise.
5584         * config/ia64/crtn.asm: Likewise.
5585         * config/ia64/fde-glibc.c: Likewise.
5586         * config/ia64/lib1funcs.asm: Likewise.
5587         * config/ia64/linux-unwind.h: Likewise.
5588         * config/ia64/quadlib.c: Likewise.
5589         * config/ia64/unwind-ia64.c: Likewise.
5590         * config/linux.h: Likewise.
5591         * config/m32c/m32c-lib1.S: Likewise.
5592         * config/m32c/m32c-lib2-trapv.c: Likewise.
5593         * config/m32c/m32c-lib2.c: Likewise.
5594         * config/m32r/initfini.c: Likewise.
5595         * config/m68hc11/larith.asm: Likewise.
5596         * config/m68hc11/m68hc11-crt0.S: Likewise.
5597         * config/m68k/cf.md: Likewise.
5598         * config/m68k/crti.s: Likewise.
5599         * config/m68k/crtn.s: Likewise.
5600         * config/m68k/lb1sf68.asm: Likewise.
5601         * config/m68k/linux-unwind.h: Likewise.
5602         * config/mcore/crti.asm: Likewise.
5603         * config/mcore/crtn.asm: Likewise.
5604         * config/mcore/lib1.asm: Likewise.
5605         * config/mips/linux-unwind.h: Likewise.
5606         * config/mips/loongson.h: Likewise.
5607         * config/mips/mips16.S: Likewise.
5608         * config/mmix/crti.asm: Likewise.
5609         * config/mmix/crtn.asm: Likewise.
5610         * config/pa/fptr.c: Likewise.
5611         * config/pa/hpux-unwind.h: Likewise.
5612         * config/pa/lib2funcs.asm: Likewise.
5613         * config/pa/linux-atomic.c: Likewise.
5614         * config/pa/linux-unwind.h: Likewise.
5615         * config/pa/milli64.S: Likewise.
5616         * config/pa/quadlib.c: Likewise.
5617         * config/pa/stublib.c: Likewise.
5618         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5619         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5620         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5621         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5622         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5623         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5624         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5625         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5626         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5627         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5628         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5629         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5630         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5631         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5632         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5633         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5634         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5635         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5636         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5637         * config/rs6000/750cl.h: Likewise.
5638         * config/rs6000/altivec.h: Likewise.
5639         * config/rs6000/biarch64.h: Likewise.
5640         * config/rs6000/crtresfpr.asm: Likewise.
5641         * config/rs6000/crtresgpr.asm: Likewise.
5642         * config/rs6000/crtresxfpr.asm: Likewise.
5643         * config/rs6000/crtresxgpr.asm: Likewise.
5644         * config/rs6000/crtsavfpr.asm: Likewise.
5645         * config/rs6000/crtsavgpr.asm: Likewise.
5646         * config/rs6000/darwin-asm.h: Likewise.
5647         * config/rs6000/darwin-fallback.c: Likewise.
5648         * config/rs6000/darwin-fpsave.asm: Likewise.
5649         * config/rs6000/darwin-ldouble.c: Likewise.
5650         * config/rs6000/darwin-tramp.asm: Likewise.
5651         * config/rs6000/darwin-unwind.h: Likewise.
5652         * config/rs6000/darwin-vecsave.asm: Likewise.
5653         * config/rs6000/darwin-world.asm: Likewise.
5654         * config/rs6000/e500crtres32gpr.asm: Likewise.
5655         * config/rs6000/e500crtres64gpr.asm: Likewise.
5656         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5657         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5658         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5659         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5660         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5661         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5662         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5663         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5664         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5665         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5666         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5667         * config/rs6000/eabi-ci.asm: Likewise.
5668         * config/rs6000/eabi-cn.asm: Likewise.
5669         * config/rs6000/eabi.asm: Likewise.
5670         * config/rs6000/linux-unwind.h: Likewise.
5671         * config/rs6000/linux64.h: Likewise.
5672         * config/rs6000/paired.h: Likewise.
5673         * config/rs6000/paired.md: Likewise.
5674         * config/rs6000/ppc64-fp.c: Likewise.
5675         * config/rs6000/ppu_intrinsics.h: Likewise.
5676         * config/rs6000/rs6000.h: Likewise.
5677         * config/rs6000/si2vmx.h: Likewise.
5678         * config/rs6000/sol-ci.asm: Likewise.
5679         * config/rs6000/sol-cn.asm: Likewise.
5680         * config/rs6000/spe.h: Likewise.
5681         * config/rs6000/spu2vmx.h: Likewise.
5682         * config/rs6000/sysv4.h: Likewise.
5683         * config/rs6000/tramp.asm: Likewise.
5684         * config/rs6000/vec_types.h: Likewise.
5685         * config/s390/linux-unwind.h: Likewise.
5686         * config/s390/tpf-unwind.h: Likewise.
5687         * config/score/crti.asm: Likewise.
5688         * config/score/crtn.asm: Likewise.
5689         * config/sh/crt1.asm: Likewise.
5690         * config/sh/crti.asm: Likewise.
5691         * config/sh/crtn.asm: Likewise.
5692         * config/sh/divtab-sh4-300.c: Likewise.
5693         * config/sh/divtab-sh4.c: Likewise.
5694         * config/sh/divtab.c: Likewise.
5695         * config/sh/lib1funcs-4-300.asm: Likewise.
5696         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5697         * config/sh/lib1funcs.asm: Likewise.
5698         * config/sh/lib1funcs.h: Likewise.
5699         * config/sh/linux-atomic.asm: Likewise.
5700         * config/sh/linux-unwind.h: Likewise.
5701         * config/sh/shmedia.h: Likewise.
5702         * config/sh/sshmedia.h: Likewise.
5703         * config/sh/ushmedia.h: Likewise.
5704         * config/sparc/crtfastmath.c: Likewise.
5705         * config/sparc/linux-unwind.h: Likewise.
5706         * config/sparc/sol2-c1.asm: Likewise.
5707         * config/sparc/sol2-ci.asm: Likewise.
5708         * config/sparc/sol2-cn.asm: Likewise.
5709         * config/spu/divmodti4.c: Likewise.
5710         * config/spu/divv2df3.c: Likewise.
5711         * config/spu/float_disf.c: Likewise.
5712         * config/spu/float_unsdidf.c: Likewise.
5713         * config/spu/float_unsdisf.c: Likewise.
5714         * config/spu/float_unssidf.c: Likewise.
5715         * config/spu/mfc_multi_tag_release.c: Likewise.
5716         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5717         * config/spu/mfc_tag_release.c: Likewise.
5718         * config/spu/mfc_tag_reserve.c: Likewise.
5719         * config/spu/mfc_tag_table.c: Likewise.
5720         * config/spu/multi3.c: Likewise.
5721         * config/spu/spu_internals.h: Likewise.
5722         * config/spu/spu_intrinsics.h: Likewise.
5723         * config/spu/spu_mfcio.h: Likewise.
5724         * config/spu/vec_types.h: Likewise.
5725         * config/spu/vmx2spu.h: Likewise.
5726         * config/stormy16/stormy16-lib2.c: Likewise.
5727         * config/svr4.h: Likewise.
5728         * config/sync.c: Likewise.
5729         * config/v850/lib1funcs.asm: Likewise.
5730         * config/vxlib-tls.c: Likewise.
5731         * config/vxlib.c: Likewise.
5732         * config/vxworks-dummy.h: Likewise.
5733         * config/xtensa/crti.asm: Likewise.
5734         * config/xtensa/crtn.asm: Likewise.
5735         * config/xtensa/ieee754-df.S: Likewise.
5736         * config/xtensa/ieee754-sf.S: Likewise.
5737         * config/xtensa/lib1funcs.asm: Likewise.
5738         * config/xtensa/lib2funcs.S: Likewise.
5739         * config/xtensa/linux-unwind.h: Likewise.
5740         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5741         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5742         * coretypes.h: Likewise.
5743         * crtstuff.c: Likewise.
5744         * defaults.h: Likewise.
5745         * dwarf2.h: Likewise.
5746         * emutls.c: Likewise.
5747         * gbl-ctors.h: Likewise.
5748         * gcov-io.h: Likewise.
5749         * ginclude/float.h: Likewise.
5750         * ginclude/iso646.h: Likewise.
5751         * ginclude/stdarg.h: Likewise.
5752         * ginclude/stdbool.h: Likewise.
5753         * ginclude/stddef.h: Likewise.
5754         * ginclude/stdfix.h: Likewise.
5755         * ginclude/stdint-gcc.h: Likewise.
5756         * ginclude/tgmath.h: Likewise.
5757         * gthr-aix.h: Likewise.
5758         * gthr-dce.h: Likewise.
5759         * gthr-gnat.c: Likewise.
5760         * gthr-gnat.h: Likewise.
5761         * gthr-lynx.h: Likewise.
5762         * gthr-mipssde.h: Likewise.
5763         * gthr-nks.h: Likewise.
5764         * gthr-posix.c: Likewise.
5765         * gthr-posix.h: Likewise.
5766         * gthr-posix95.h: Likewise.
5767         * gthr-rtems.h: Likewise.
5768         * gthr-single.h: Likewise.
5769         * gthr-solaris.h: Likewise.
5770         * gthr-tpf.h: Likewise.
5771         * gthr-vxworks.h: Likewise.
5772         * gthr-win32.h: Likewise.
5773         * gthr.h: Likewise.
5774         * libgcc2.c: Likewise.
5775         * libgcc2.h: Likewise.
5776         * libgcov.c: Likewise.
5777         * tsystem.h: Likewise.
5778         * typeclass.h: Likewise.
5779         * unwind-c.c: Likewise.
5780         * unwind-compat.h: Likewise.
5781         * unwind-dw2-fde-compat.c: Likewise.
5782         * unwind-dw2-fde-darwin.c: Likewise.
5783         * unwind-dw2-fde-glibc.c: Likewise.
5784         * unwind-dw2-fde.c: Likewise.
5785         * unwind-dw2-fde.h: Likewise.
5786         * unwind-dw2.c: Likewise.
5787         * unwind-dw2.h: Likewise.
5788         * unwind-generic.h: Likewise.
5789         * unwind-pe.h: Likewise.
5790         * unwind-sjlj.c: Likewise.
5791         * unwind.inc: Likewise.
5792         * config/arm/neon-gen.ml: Change generated copyright header to
5793         refer to version 3 of the GNU General Public License with
5794         version 3.1 of the GCC Runtime Library Exception and to point
5795         readers at the COPYING3 and COPYING3.RUNTIME files and the
5796         FSF's license web page.
5797         * config/arm/arm_neon.h: Regenerate.
5798
5799 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5800
5801         * config/cris/cris.md: Change copyright header to refer to version
5802         3 of the GNU General Public License.
5803         * doc/install.texi2html: Change copyright header to refer to version
5804         3 of the GNU General Public License and to point readers at the
5805         COPYING3 file and the FSF's license web page.
5806         * config/vax/linux.h: Likewise.
5807
5808 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5809
5810         * config/i386/i386.md (cmpcc): New.
5811         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5812         (sync_compare_and_swap_cc*): Delete.
5813
5814         * config/s390/s390.c (s390_compare_emitted): Remove.
5815         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5816         s390_compare_emitted used to be handled.  Assert that modes match.
5817         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5818         refer to sync_compare_and_swap_ccsi.
5819         * config/s390/s390.h (s390_compare_emitted): Remove.
5820         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5821         instead of s390_compare_emitted.
5822         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5823         instead of s390_compare_emitted.
5824         * config/s390/s390.md (cmpcc): New.
5825         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5826         CC_REGNUM, do not pretend it's set.
5827         (sync_compare_and_swap_cc*): Delete.
5828         * config/s390/predicates.md (cc_reg_operand): New.
5829
5830         * expr.c (sync_compare_and_swap_cc): Delete.
5831         * optabs.h (sync_compare_and_swap_cc): Delete.
5832         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5833         is being used with can_compare_p.
5834         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5835         (find_cc_set): New.
5836         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5837         look for a MODE_CC set instead.  Use emit_store_flag.
5838         (expand_compare_and_swap_loop): Likewise, with some additional
5839         complication to avoid a force_reg when useless.  Use
5840         emit_cmp_and_jump_insns.
5841         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5842         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5843         sync_compare_and_swap documentation.
5844
5845 2009-04-09  Jan Hubicka  <jh@suse.cz>
5846
5847         * except.c (find_prev_try): Break out from ....
5848         (duplicate_eh_regions): ... here; properly update prev_try pointers
5849         when duplication part of tree.
5850         (dump_eh_tree): Improve dumping.
5851         (verify_eh_region): New.
5852         (verify_eh_tree): Use it.
5853
5854 2009-04-06  Richard Guenther  <rguenther@suse.de>
5855
5856         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5857         &ARRAY addresses by adjusting their types and prepending
5858         a conversion.
5859         * tree-cfg.c (verify_gimple_assign_single): Verify that
5860         addresses are correct.
5861
5862 2009-04-09  Richard Guenther  <rguenther@suse.de>
5863
5864         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5865         indices into an array reference if possible.
5866         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5867         Fold POINTER_PLUS_EXPR statements with invariant address.
5868
5869 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5870
5871         PR target/39634
5872         * config.gcc (powerpc64-*-linux*): Always build biarch.
5873
5874 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5875
5876         PR c/39613
5877         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5878         it and pedwarn if this results in an INTEGER_CST.
5879
5880 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5881
5882         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5883         text in MPFR section.
5884
5885 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5886
5887         * dwarf2out.c (class_scope_p): New static inline.
5888         (class_or_namespace_scope_p): Use it.
5889         (gen_variable_die): Use DW_TAG_member tag for static data member
5890         declarations instead of DW_TAG_variable.
5891
5892         PR middle-end/39573
5893         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5894         variables.
5895
5896 2009-04-08  Richard Guenther  <rguenther@suse.de>
5897
5898         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5899         valueize random data.
5900
5901 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5902
5903         * config.gcc (aix tm_file):  Add aix-stdint.h.
5904         (aix tm clause use_gcc_stdint):  Set to wrap.
5905         * config/rs6000/aix-stdint.h:  New file.
5906
5907 2009-04-08  Richard Guenther  <rguenther@suse.de>
5908
5909         PR middle-end/36291
5910         * tree-dfa.c (add_referenced_var): Do not recurse into
5911         global initializers.
5912         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5913         exposed variables.
5914         (fold_const_aggregate_ref): Likewise.
5915
5916 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5917
5918         * recog.c (ordered_comparison_operator): New.
5919         * gensupport.c (std_preds): Add it.
5920         * doc/md.texi (Machine-Independent Predicates): Document it.
5921
5922 2009-04-08  Jan Hubicka  <jh@suse.cz>
5923
5924         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5925         * function.h (rtl_eh): Remove exception_handler_label_map.
5926         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5927         remove_exception_handler_label, for_each_eh_label_1): Remove.
5928         (rtl_remove_unreachable_regions): Remove.
5929         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5930         (find_exception_handler_labels): Don't build the hashtable.
5931         (maybe_remove_eh_handler): Remove.
5932         (for_each_eh_label): Rewrite to walk the tree.
5933         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5934         * except.h (maybe_remove_eh_handler): Remove.
5935         * passes.c (init_optimization_passes): Schedule second EH cleanup
5936         before out-of-ssa.
5937         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5938         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5939
5940 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5941
5942         * genoutput.c (validate_optab_operands): New.
5943         (gen_insn, gen_expand): Call it.
5944
5945         * genflags.c (gen_insn): Detect misused iterators.
5946         (main): Pass line_no to gen_insn, exit with status 1 on error.
5947
5948         * genextract.c (line_no): Make global.
5949         (VEC_safe_set_locstr): Change assertion to error message.
5950         (main): Exit with status 1 on error.
5951
5952 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5953
5954         PR c/39614
5955         PR c/39673
5956         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5957         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5958         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5959         * c-convert.c (convert): Do not call fold on results of conversion
5960         functions when the result is a C_MAYBE_CONST_EXPR.
5961         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5962         of __builtin_choose_expr.
5963         * c-typeck.c (remove_c_maybe_const_expr): New.
5964         (build_unary_op, build_conditional_expr, build_compound_expr,
5965         build_binary_op, c_objc_common_truthvalue_conversion): Call
5966         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5967         integer operands.
5968
5969 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5970
5971         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5972         CODE to produce a new one. Add a prototype to use fold_convert_const
5973
5974 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5975
5976         PR bootstrap/39660
5977         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5978         mix declarations and code.
5979
5980 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5981
5982         * gcc.c: Replace `CC' with `GCC' throughout.
5983
5984 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5985
5986         * doc/invoke.texi: Document Atom support.
5987
5988 2009-04-07  Jason Merrill  <jason@redhat.com>
5989
5990         PR c++/25185
5991         * c-common.h, c-common.c: Add flag_pretty_templates.
5992         * c-opts.c (c_common_handle_option): Set it.
5993         * c.opt: Add -fno-pretty-templates.
5994         * doc/invoke.texi (C++ Dialect Options): Likewise.
5995
5996 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5997
5998         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5999         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6000         (ia64_expand_builtin): Likewise.
6001
6002 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6003
6004         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6005         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6006         ADDR_EXPRS are include too.
6007
6008 2009-04-07  Richard Guenther  <rguenther@suse.de>
6009
6010         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6011         decls are only used if passes as parameters or if they are
6012         local statics and the call is not to a builtin.
6013         (call_may_clobber_ref_p_1): Likewise.
6014
6015 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6016
6017         * expr.c (do_store_flag): Remove last argument.  Simplify code
6018         to avoid duplication of tests already done by can_compare_p.
6019         (expand_expr_real_1): Adjust caller.
6020
6021 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6022
6023         * optabs.c (can_compare_p): Test the predicate of a
6024         cbranch and cstore pattern.
6025
6026 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6027
6028         * expr.c (convert_move): Use emit_store_flag instead of
6029         "emulating" it.
6030
6031 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6032
6033         * config/i386/i386.c (ix86_compare_emitted): Remove.
6034         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6035         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6036         * config/i386/i386.h (ix86_compare_emitted): Remove.
6037         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6038         instead of ix86_compare_emitted.
6039         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6040
6041 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6042
6043         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6044         Add t-sysroot-suffix to tmake_file.
6045         * config/print-sysroot-suffix.sh: New file.
6046         * config/t-sysroot-suffix: New file.
6047
6048 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6049
6050         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6051         as the latter produces a warning when the target does not support
6052         infinity.
6053
6054 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6055
6056         * dfp.c: Replace type punning assignments with memcpy throughout.
6057         * Makefile.in (dfp.o-warn): Remove.
6058
6059 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6060
6061         PR target/39634
6062         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6063         Include soft-fp/t-softfp after rs6000/t-linux64.
6064
6065 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6066
6067         * stor-layout.c (set_sizetype): Use the full precision of their
6068         machine mode for bitsize types.
6069
6070 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6071
6072         * config/i386/i386.md: Revert 2 accidental checkins.
6073
6074 2009-04-06  Joey Ye  <joey.ye@intel.com>
6075             Xuepeng Guo  <xuepeng.guo@intel.com>
6076             H.J. Lu  <hongjiu.lu@intel.com>
6077
6078         Atom pipeline model, tuning and insn selection.
6079         * config.gcc (atom): Add atom config options and target.
6080
6081         * config/i386/atom.md: New.
6082
6083         * config/i386/i386.c (atom_cost): New cost.
6084         (m_ATOM): New macro flag.
6085         (initial_ix86_tune_features): Set m_ATOM.
6086         (x86_accumulate_outgoing_args): Likewise.
6087         (x86_arch_always_fancy_math_387): Likewise.
6088         (processor_target): Add Atom cost.
6089         (cpu_names): Add Atom cpu name.
6090         (override_options): Set Atom ISA.
6091         (ix86_issue_rate): New case PROCESSOR_ATOM.
6092         (ix86_adjust_cost): Likewise.
6093
6094         * config/i386/i386.h (TARGET_ATOM): New target macro.
6095         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6096         (TARGET_OPT_AGU): New target option.
6097         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6098         (processor_type): Add PROCESSOR_ATOM.
6099
6100         * config/i386/i386.md (cpu): Add new value "atom".
6101         (use_carry, movu): New attr.
6102         (atom.md): Include atom.md.
6103         (adddi3_carry_rex64): Set attr "use_carry".
6104         (addqi3_carry): Likewise.
6105         (addhi3_carry): Likewise.
6106         (addsi3_carry): Likewise.
6107         (*addsi3_carry_zext): Likewise.
6108         (subdi3_carry_rex64): Likewise.
6109         (subqi3_carry): Likewise.
6110         (subhi3_carry): Likewise.
6111         (subsi3_carry): Likewise.
6112         (x86_movdicc_0_m1_rex64): Likewise.
6113         (*x86_movdicc_0_m1_se): Likewise.
6114         (x86_movsicc_0_m1): Likewise.
6115         (*x86_movsicc_0_m1_se): Likewise.
6116         (*adddi_1_rex64): Emit add insn as much as possible.
6117         (*addsi_1): Likewise.
6118         (return_internal): Set atom_unit.
6119         (return_internal_long): Likewise.
6120         (return_pop_internal): Likewise.
6121         (*rcpsf2_sse): Set atom_sse_attr attr.
6122         (*qrt<mode>2_sse): Likewise.
6123         (*prefetch_sse): Likewise.
6124
6125         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6126         PROCESSOR_ATOM.
6127         (ix86_target_macros_internal): Likewise.
6128
6129         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6130         (*prefetch_sse_rex): Likewise.
6131         (sse_rcpv4sf2): Likewise.
6132         (sse_vmrcpv4sf2): Likewise.
6133         (sse_sqrtv4sf2): Likewise.
6134         (<sse>_vmsqrt<mode>2): Likewise.
6135         (sse_ldmxcsr): Likewise.
6136         (sse_stmxcsr): Likewise.
6137         (*sse_sfence): Likewise.
6138         (sse2_clflush): Likewise.
6139         (*sse2_mfence): Likewise.
6140         (*sse2_lfence): Likewise.
6141         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6142         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6143         (avx_movdqu<avxmodesuffix>): Likewise.
6144         (avx_lddqu<avxmodesuffix>): Likewise.
6145         (sse2_movntv2di): Change attr "type" to "ssemov".
6146         (sse2_movntsi): Likewise.
6147         (rsqrtv8sf2): Change attr "type" to "sseadd".
6148         (sse3_addsubv2df3): Set attr "atom_unit".
6149         (sse3_h<plusminus_insn>v4sf3): Likewise.
6150         (*sse2_pmaddwd): Likewise.
6151         (*vec_extractv2di_1_rex64): Likewise.
6152         (*vec_extractv2di_1_avx): Likewise.
6153         (sse2_psadbw): Likewise.
6154         (ssse3_phaddwv8hi3): Likewise.
6155         (ssse3_phaddwv4hi3): Likewise.
6156         (ssse3_phadddv4si3): Likewise.
6157         (ssse3_phadddv2si3): Likewise.
6158         (ssse3_phaddswv8hi3): Likewise.
6159         (ssse3_phaddswv4hi3): Likewise.
6160         (ssse3_phsubwv8hi3): Likewise.
6161         (ssse3_phsubwv4hi3): Likewise.
6162         (ssse3_phsubdv4si3): Likewise.
6163         (ssse3_phsubdv2si3): Likewise.
6164         (ssse3_phsubswv8hi3): Likewise.
6165         (ssse3_phsubswv4hi3): Likewise.
6166         (ssse3_pmaddubsw128): Likewise.
6167         (sse3_pmaddubsw: Likewise.
6168         (ssse3_palignrti): Likewise.
6169         (ssse3_palignrdi): Likewise.
6170
6171 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6172
6173         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6174
6175 2009-04-06  Richard Guenther  <rguenther@suse.de>
6176
6177         PR tree-optimization/28868
6178         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6179         of which PHI results we inserted.
6180         (insert_into_preds_of_block): Record inserted PHIs.
6181         (eliminate): Eliminate redundant PHI nodes.
6182         (init_pre): Init inserted_phi_names.
6183
6184 2009-04-06  Richard Guenther  <rguenther@suse.de>
6185
6186         PR tree-optimization/39643
6187         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6188         IMAGPART_EXPRs of complex constants.
6189         (execute_fold_all_builtins): If we folded a call queue
6190         TODO_update_address_taken.
6191
6192 2009-04-06  Jan Hubicka  <jh@suse.cz>
6193
6194         PR middle-end/39659
6195         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6196         flag.
6197
6198 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6199
6200         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6201         delay slot.
6202         (ic_invalidate_array): Likewise.
6203
6204 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6205
6206         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6207         alignment for library calls.
6208
6209 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6210
6211         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6212         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6213         * config/i386/mingw-stdint.h:  New file.
6214
6215 2009-04-05  Richard Guenther  <rguenther@suse.de>
6216
6217         PR tree-optimization/39648
6218         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6219         our &A vs. &A[0] IL deficiencies.
6220
6221 2009-04-04  Jan Hubicka  <jh@suse.cz>
6222
6223         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6224         removed toplevel regions.
6225         (sjlj_mark_call_sites): Likewise.
6226
6227 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6228
6229         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6230         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6231         * config/i386/cygwin-stdint.h:  New file.
6232
6233 2009-04-04  Richard Guenther  <rguenther@suse.de>
6234
6235         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6236         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6237         single-argument PHIs if we are in loop-closed SSA form.
6238         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6239         for the pre-condition.
6240         (slpeel_tree_peel_loop_to_edge): Likewise.
6241         (vect_build_loop_niters): Take an optional sequence to append stmts.
6242         (vect_generate_tmps_on_preheader): Likewise.
6243         (vect_do_peeling_for_loop_bound): Take extra guards for the
6244         pre-condition.
6245         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6246         the cost model check.
6247         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6248         guards if we are going to peel.  Do not apply versioning in that case.
6249         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6250         (vect_do_peeling_for_loop_bound): Likewise.
6251         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6252         loop bound only record extra pre-conditions, do not apply loop
6253         versioning.
6254
6255 2009-04-04  Richard Guenther  <rguenther@suse.de>
6256
6257         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6258         renaming code.
6259
6260 2009-04-04  Jan Hubicka  <jh@suse.cz>
6261
6262         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6263         last_basic_block for size of bb->index indexed array.
6264         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6265         compute_out, link_btr_uses, build_btr_def_use_webs,
6266         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6267
6268 2009-04-04  Jan Hubicka  <jh@suse.cz>
6269
6270         * except.c (remove_eh_handler_and_replace): Break out from ...
6271         (remove_eh_handler): ... here.
6272         (bring_to_root): New function.
6273         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6274         handled ones, bring others to root of tree.
6275
6276 2009-04-04  Jan Hubicka  <jh@suse.cz>
6277
6278         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6279         (all_phis_safe_to_merge): New function.
6280         (update_info): New structure.
6281         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6282         (cleanup_empty_eh): Update SSA if possible.
6283
6284 2009-04-04  Richard Guenther  <rguenther@suse.de>
6285
6286         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6287         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6288         (append_vuse): Likewise.
6289
6290 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6291
6292         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6293         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6294         instead of REG_UNSAVED for DW_CFA_undefined.
6295         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6296         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6297         outermost frame.
6298
6299 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6300
6301         PR target/39501
6302         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6303         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6304         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6305
6306 2009-04-04  Richard Guenther  <rguenther@suse.de>
6307
6308         PR tree-optimization/8781
6309         PR tree-optimization/37892
6310         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6311         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6312         (valueize_refs): Call it for *& valueizations.
6313         (shared_reference_ops_from_ref): Rename to ...
6314         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6315         (shared_reference_ops_from_call): Rename to ...
6316         (valueize_shared_reference_ops_from_call): ... this and valueize.
6317         (vn_reference_lookup): Update.
6318         (visit_reference_op_call): Likewise.
6319         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6320         (eliminate): Value-replace the call address in call statements.
6321
6322 2009-04-04  Richard Guenther  <rguenther@suse.de>
6323
6324         PR tree-optimization/39636
6325         * tree-ssa-forwprop.c
6326         (forward_propagate_addr_into_variable_array_index): Check for
6327         GIMPLE_ASSIGN before accessing the rhs code.
6328
6329 2009-04-03  Jason Merrill  <jason@redhat.com>
6330
6331         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6332
6333 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6334
6335         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6336         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6337         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6338         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6339         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6340         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6341         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6342         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6343         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6344         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6345         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6346         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6347         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6348         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6349         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6350         Use fr_reg_or_fp01_operand instead of fr_register_operand
6351
6352         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6353         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6354         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6355
6356 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6357
6358         PR rtl-optimization/39607
6359         PR rtl-optimization/39631
6360
6361         Revert:
6362
6363         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6364         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6365         instead of DF_LR_OUT.
6366         * ira-lives.c (process_bb_node_lives): Ditto.
6367         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6368         instead of DF_LR_{OUT,IN}.
6369         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6370         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6371
6372 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6373
6374         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6375         (execute_lower_omp): Always run but take the short way out if -fopenmp
6376         is not given.
6377         (gate_lower_omp): Remove, forcing the pass manager to always run the
6378         pass and always set PROP_gimple_lomp.
6379         (pass_lower_omp): Remove gate function.
6380         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6381         PROP_trees.  Instead, require it.
6382         * ipa-cp.c (pass_ipa_cp): Likewise.
6383         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6384         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6385         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6386         and PROP_gimple_leh.
6387
6388 2009-04-03  Richard Guenther  <rguenther@suse.de>
6389
6390         PR middle-end/13146
6391         PR tree-optimization/23940
6392         PR tree-optimization/33237
6393         PR middle-end/33974
6394         PR middle-end/34093
6395         PR tree-optimization/36201
6396         PR tree-optimization/36230
6397         PR tree-optimization/38049
6398         PR tree-optimization/38207
6399         PR tree-optimization/38230
6400         PR tree-optimization/38301
6401         PR tree-optimization/38585
6402         PR middle-end/38895
6403         PR tree-optimization/38985
6404         PR tree-optimization/39299
6405         * tree-ssa-structalias.h: Remove.
6406         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6407         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6408         (struct vuse_element_d): Remove.
6409         (struct vuse_vec_d): Likewise.
6410         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6411         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6412         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6413         VUSE_ELEMENT_VAR): Likewise.
6414         (struct voptype_d): Likewise.
6415         (NUM_VOP_FREE_BUCKETS): Likewise.
6416         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6417         (struct stmt_operands_d): Remove.
6418         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6419         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6420         VDEF_NUM, VDEF_VECT): Likewise.
6421         (copy_virtual_operands): Remove.
6422         (operand_build_cmp): Likewise.
6423         (create_ssa_artificial_load_stmt): Likewise.
6424         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6425         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6426         vuse_index and mayuse_index members.  Pack and move done and iter_type
6427         members to the front.
6428         (SSA_OP_VMAYUSE): Remove.
6429         (SSA_OP_VIRTUAL_USES): Adjust.
6430         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6431         (unlink_stmt_vdef): Declare.
6432         (add_to_addressable_set): Remove.
6433         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6434         (vrp_visit_stmt): Likewise.
6435         * doc/tree-ssa.texi (Alias analysis): Update.
6436         * doc/invoke.texi (max-aliased-vops): Remove docs.
6437         (avg-aliased-vops): Likewise.
6438         * tree-into-ssa.c (syms_to_rename): Remove.
6439         (need_to_update_vops_p): Likewise.
6440         (need_to_initialize_update_ssa_p): Rename to ...
6441         (update_ssa_initialized_fn): ... this.  Track function we are
6442         initialized for.
6443         (symbol_marked_for_renaming): Simplify.
6444         (add_new_name_mapping): Do not set need_to_update_vops_p.
6445         (dump_currdefs): Use SYMS_TO_RENAME.
6446         (rewrite_update_stmt): Always walk all uses/defs.
6447         (dump_update_ssa): Adjust.
6448         (init_update_ssa): Take function argument.  Track what we are
6449         initialized for.
6450         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6451         (create_new_def_for): Initialize for cfun, assert we are initialized
6452         for cfun.
6453         (mark_sym_for_renaming): Simplify.
6454         (mark_set_for_renaming): Do not initialize update-ssa.
6455         (need_ssa_update_p): Simplify.  Take function argument.
6456         (name_mappings_registered_p): Assert we ask for the correct function.
6457         (name_registered_for_update_p): Likewise.
6458         (ssa_names_to_replace): Likewise.
6459         (release_ssa_name_after_update_ssa): Likewise.
6460         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6461         (dump_decl_set): Do not print a newline.
6462         (debug_decl_set): Do it here.
6463         (dump_update_ssa): And here.
6464         * tree-ssa-loop-im.c (move_computations): Adjust.
6465         (movement_possibility): Likewise.
6466         (determine_max_movement): Likewise.
6467         (gather_mem_refs_stmt): Likewise.
6468         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6469         or NAME_MEMORY_TAG.
6470         * tree-complex.c (update_all_vops): Remove.
6471         (expand_complex_move): Adjust.
6472         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6473         Simplify test for memory referencing statement.  Exclude
6474         non-invariant ADDR_EXPRs.
6475         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6476         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6477         (rdg_flag_uses): Likewise.
6478         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6479         related code.
6480         (tree_optimize_tail_calls_1): Also split the
6481         edge from the entry block if we have degenerate PHI nodes in
6482         the first basic block.
6483         * tree.c (init_ttree): Remove memory-tag related code.
6484         (tree_code_size): Likewise.
6485         (tree_node_structure): Likewise.
6486         (build7_stat): Re-write to be build6_stat.
6487         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6488         (SSA_VAR_P): Adjust.
6489         (struct tree_memory_tag): Remove.
6490         (struct tree_memory_partition_tag): Likewise.
6491         (union tree_node): Adjust.
6492         (build7): Re-write to be build6.
6493         * tree-pass.h (pass_reset_cc_flags): Remove.
6494         (TODO_update_address_taken): New flag.
6495         (pass_simple_dse): Remove.
6496         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6497         * params.h (MAX_ALIASED_VOPS): Remove.
6498         (AVG_ALIASED_VOPS): Likewise.
6499         * omp-low.c (expand_omp_taskreg): Update SSA form.
6500         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6501         aliases the lhs in a copy stmt.
6502         * tree-ssa-dse.c (struct address_walk_data): Remove.
6503         (memory_ssa_name_same): Likewise.
6504         (memory_address_same): Likewise.
6505         (get_kill_of_stmt_lhs): Likewise.
6506         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6507         unused stores.  Look through PHI nodes into post-dominated regions.
6508         (dse_optimize_stmt): Simplify.  Properly remove stores.
6509         (tree_ssa_dse): Compute dominators.
6510         (execute_simple_dse): Remove.
6511         (pass_simple_dse): Likewise.
6512         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6513         gimple_loaded_syms and gimple_stored_syms computation.
6514         * toplev.c (dump_memory_report): Dump alias and pta stats.
6515         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6516         (vn_reference_eq): Likewise.
6517         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6518         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6519         valueize_vuses): Remove.
6520         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6521         (get_def_ref_stmt_vuse): ... this.
6522         (vn_reference_lookup_2): New function.
6523         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6524         walking equivalent vuses.  Simplify.
6525         (vn_reference_lookup): Likewise.
6526         (vn_reference_insert): Likewise.
6527         (vn_reference_insert_pieces): Likewise.
6528         (visit_reference_op_call): Simplify.
6529         (visit_reference_op_load): Likewise.
6530         (visit_reference_op_store): Likewise.
6531         (init_scc_vn): Remove shared_lookup_vuses initialization.
6532         (free_scc_vn): Remove shared_lookup_vuses freeing.
6533         (sort_vuses, sort_vuses_heap): Remove.
6534         (get_ref_from_reference_ops): Export.
6535         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6536         vector with single vuse pointer.
6537         (vn_reference_lookup_pieces, vn_reference_lookup,
6538         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6539         (shared_vuses_from_stmt): Remove.
6540         (get_ref_from_reference_ops): Declare.
6541         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6542         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6543         memory-tag related code.
6544         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6545         (likely_value): Add comment, skip static-chain of call statements.
6546         (surely_varying_stmt_p): Adjust.
6547         (gimplify_and_update_call_from_tree): Likewise.
6548         (execute_fold_all_builtins): Do not rebuild alias info.
6549         (gimplify_and_update_call_from_tree): Properly update VOPs.
6550         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6551         (copy_ref_info): Remove memory-tag related code.
6552         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6553         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6554         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6555         computation.
6556         * tree-ssa-dom.c (gimple_p): Remove typedef.
6557         (eliminate_redundant_computations): Adjust.
6558         (record_equivalences_from_stmt): Likewise.
6559         (avail_expr_hash): Likewise.
6560         (avail_expr_eq): Likewise.
6561         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6562         (stmt_makes_single_load): Likewise.
6563         (stmt_makes_single_store): Likewise.
6564         * tree-ssa-alias.c: Rewrite completely.
6565         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6566         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6567         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6568         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6569         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6570         Remove public functions.
6571         (pass_reset_cc_flags): Remove.
6572         (pass_build_alias): Move ...
6573         * tree-ssa-structalias.c (pass_build_alias): ... here.
6574         * tree-ssa-alias.c (may_be_aliased): Move ...
6575         * tree-flow-inline.h (may_be_aliased): ... here.
6576         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6577         count_uses_and_derefs): Move ...
6578         * gimple.c: ... here.
6579         * gimple.h (count_uses_and_derefs): Declare.
6580         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6581         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6582         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6583         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6584         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6585         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6586         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6587         New functions.
6588         * tree-dfa.c (refs_may_alias_p): Move ...
6589         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6590         * tree-ssa-alias.h: New file.
6591         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6592         (statement_sink_location): Likewise.
6593         * opts.c (decode_options): Do not adjust max-aliased-vops or
6594         avg-aliased-vops values.
6595         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6596         (TV_CALL_CLOBBER): Likewise.
6597         (TV_FLOW_SENSITIVE): Likewise.
6598         (TV_FLOW_INSENSITIVE): Likewise.
6599         (TV_MEMORY_PARTITIONING): Likewise.
6600         (TV_ALIAS_STMT_WALK): New timevar.
6601         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6602         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6603         (get_address_description): Remove memory-tag related code.
6604         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6605         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6606         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6607         and immediate uses in statements.  Document.
6608         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6609         (dump_symbols): Remove.
6610         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6611         * alias.c (get_deref_alias_set): New function split out from ...
6612         (get_alias_set): ... here.
6613         * alias.h (get_deref_alias_set): Declare.
6614         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6615         type parameter.  Remove restrict pointer handling.  Create a
6616         ref-all pointer in case type-based alias sets do not conflict.
6617         (vect_analyze_data_refs): Remove SMT related code.
6618         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6619         (vectorizable_load): Likewise.
6620         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6621         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6622         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6623         Ignore vops and SMTs.
6624         (dr_analyze_alias): Likewise..
6625         (free_data_ref): Likewise.
6626         (create_data_ref): Likewise.
6627         (analyze_all_data_dependences): Likewise.
6628         (get_references_in_stmt): Adjust.
6629         * tree-flow-inline.h (gimple_aliases_computed_p,
6630         gimple_addressable_vars, gimple_call_clobbered_vars,
6631         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6632         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6633         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6634         gimple_mem_ref_stats): Remove.
6635         (gimple_vop): New function.
6636         (op_iter_next_use): Remove vuses and mayuses cases.
6637         (op_iter_next_def): Remove vdefs case.
6638         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6639         (clear_and_done_ssa_iter): Do not set removed fields.
6640         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6641         Assert we are not iterating over vuses or vdefs if not also
6642         iterating over uses or defs.
6643         (op_iter_init_use): Likewise.
6644         (op_iter_init_def): Likewise.
6645         (op_iter_next_vdef): Remove.
6646         (op_iter_next_mustdef): Likewise.
6647         (op_iter_init_vdef): Likewise.
6648         (compare_ssa_operands_equal): Likewise.
6649         (link_use_stmts_after): Handle vuse operand.
6650         (is_call_used): Use is_call_clobbered.
6651         (is_call_clobbered): Global variables are always call clobbered,
6652         query the call-clobbers bitmap.
6653         (mark_call_clobbered): Ignore global variables.
6654         (clear_call_clobbered): Likewise.
6655         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6656         virtual operands sanity check.
6657         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6658         Remove.
6659         (TARGET_MEM_REF): Remove TMR_TAG operand.
6660         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6661         Remove call-clobber related code.
6662         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6663         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6664         partitions or escape reason.
6665         (get_single_def_stmt, get_single_def_stmt_from_phi,
6666         get_single_def_stmt_with_phi): Remove.
6667         (dump_referenced_vars): Tidy.
6668         (get_ref_base_and_extent): Allow bare decls.
6669         (collect_dfa_stats): Adjust.
6670         * graphite.c (rename_variables_in_stmt): Adjust.
6671         (graphite_copy_stmts_from_block): Likewise.
6672         (translate_clast): Likewise.
6673         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6674         (EXPR_DIES): New.
6675         (translate_vuse_through_block): Use the oracle.
6676         (phi_translate_1): Adjust.
6677         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6678         in EXPR_DIES.
6679         (valid_in_sets): Check if the VUSE for
6680         a REFERENCE is available.
6681         (eliminate): Do not remove stmts during elimination,
6682         instead queue and remove them afterwards.
6683         (do_pre): Do not rebuild alias info.
6684         (pass_pre): Run TODO_rebuild_alias before PRE.
6685         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6686         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6687         (mark_all_v_defs_stmt): Remove.
6688         (mark_all_v_defs_seq): Adjust.
6689         (sra_replace): Likewise.
6690         (scalarize_use): Likewise.
6691         (scalarize_copy): Likewise.
6692         (scalarize_init): Likewise.
6693         (scalarize_ldst): Likewise.
6694         (todoflags): Remove.
6695         (tree_sra): Do not rebuild alias info.
6696         (tree_sra_early): Adjust.
6697         (pass_sra): Run TODO_update_address_taken before SRA.
6698         * tree-predcom.c (set_alias_info): Remove.
6699         (prepare_initializers_chain): Do not call it.
6700         (mark_virtual_ops_for_renaming): Adjust.
6701         (mark_virtual_ops_for_renaming_list): Remove.
6702         (initialize_root_vars): Adjust.
6703         (initialize_root_vars_lm): Likewise.
6704         (prepare_initializers_chain): Likewise.
6705         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6706         (may_propagate_copy_into_stmt): Likewise.
6707         (merge_alias_info): Do nothing for now.
6708         (propagate_tree_value_into_stmt): Adjust.
6709         (stmt_may_generate_copy): Likewise.
6710         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6711         not mark symbols for renaming.
6712         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6713         with the same statement, make sure to update the new pointed-to one.
6714         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6715         call statements, do not mark symbols for renaming.
6716         (mark_operand_necessary): Dump something.
6717         (ref_may_be_aliased): New function.
6718         (mark_aliased_reaching_defs_necessary_1): New helper function.
6719         (mark_aliased_reaching_defs_necessary): Likewise.
6720         (mark_all_reaching_defs_necessary_1): Likewise.
6721         (mark_all_reaching_defs_necessary): Likewise.
6722         (propagate_necessity): Do not process virtual PHIs.  For
6723         non-aliased loads mark all reaching definitions as necessary.
6724         For aliased loads and stores mark the immediate dominating
6725         aliased clobbers as necessary.
6726         (visited): New global static.
6727         (perform_tree_ssa_dce): Free visited bitmap after propagating
6728         necessity.
6729         (remove_dead_phis): Perform simple dead virtual PHI removal.
6730         (remove_dead_stmt): Properly unlink virtual operands when
6731         removing stores.
6732         (eliminate_unnecessary_stmts): Schedule PHI removal after
6733         stmt removal.
6734         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6735         (process_replaceable): Likewise.
6736         (find_replaceable_in_bb): Likewise.
6737         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6738         based on the single gimple vop.
6739         (verify_flow_insensitive_alias_info): Remove.
6740         (verify_flow_sensitive_alias_info): Likewise.
6741         (verify_call_clobbering): Likewise.
6742         (verify_memory_partitions): Likewise.
6743         (verify_alias_info): Likewise.
6744         (verify_ssa): Adjust..
6745         (execute_update_addresses_taken): Export.  Update SSA
6746         manually.  Optimize only when optimizing.  Use a local bitmap.
6747         (pass_update_address_taken): Remove TODO_update_ssa, add
6748         TODO_dump_func.
6749         (pass_update_address_taken): Just use TODO_update_address_taken.
6750         (init_tree_ssa): Do not initialize addressable_vars.
6751         (verify_ssa): Verify new VUSE / VDEF properties.
6752         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6753         Do not call verify_alias_info.
6754         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6755         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6756         and callused solutions.  Do not free addressable_vars.
6757         Remove memory-tag related code.
6758         (warn_uninitialized_var): Aliases are always available.
6759         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6760         * lambda-code.c (can_put_in_inner_loop): Adjust.
6761         (can_put_after_inner_loop): Likewise.
6762         (perfect_nestify): Likewise.
6763         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6764         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6765         (vectorizable_conversion): Do not mark symbols for renaming.
6766         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6767         (expand_call_inline): Unlink the calls virtual operands before
6768         replacing it.
6769         (tree_function_versioning): Do not call update_ssa if we are not
6770         updating clones.  Simplify.
6771         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6772         (propagate_with_phi): Likewise..
6773         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6774         clobber code.  Assert we are not aliased or global.
6775         * tree-flow.h: Include tree-ssa-alias.h
6776         (enum escape_type): Remove.
6777         (struct mem_sym_stats_d): Likewise.
6778         (struct mem_ref_stats_d): Likewise.
6779         (struct gimple_df): Add vop member.  Remove global_var,
6780         call_clobbered_vars, call_used_vars, addressable_vars,
6781         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6782         escaped and callused members.
6783         (struct ptr_info_def): Remove all members, add points-to solution
6784         member pt.
6785         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6786         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6787         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6788         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6789         (tree-ssa-alias.o): Likewise.
6790         (toplev.o): Add tree-ssa-alias.h
6791         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6792         * gimple.c (gimple_set_bb): Fix off-by-one error.
6793         (is_gimple_reg): Do not handle memory tags.
6794         (gimple_copy): Also copy virtual operands.
6795         Delay updating the statement.  Do not reset loaded and stored syms.
6796         (gimple_set_stored_syms): Remove.
6797         (gimple_set_loaded_syms): Likewise.
6798         (gimple_call_copy_skip_args): Copy the virtual operands
6799         and mark the new statement modified.
6800         * tree-ssa-structalias.c (may_alias_p): Remove.
6801         (set_uids_in_ptset): Take the alias set to prune with as
6802         parameter.  Fold in the alias test of may_alias_p.
6803         (compute_points_to_sets): Compute whether a ptr is dereferenced
6804         in a local sbitmap.
6805         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6806         other ADDRESSOF constraints on the lhs.
6807         (get_constraint_for_component_ref): Assert that we don't get
6808         ADDRESSOF constraints from the base of the reference.
6809         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6810         (struct variable_info): Remove collapsed_to member.
6811         (get_varinfo_fc): Remove.
6812         (new_var_info): Do not set collapsed_to.
6813         (dump_constraint): Do not follow cycles.
6814         (dump_constraint_graph): Likewise.
6815         (build_pred_graph): Likewise.
6816         (build_succ_graph): Likewise.
6817         (rewrite_constraints): Likewise.
6818         (do_simple_structure_copy): Remove.
6819         (do_rhs_deref_structure_copy): Remove.
6820         (do_lhs_deref_structure_copy): Remove.
6821         (collapse_rest_of_var): Remove.
6822         (do_structure_copy): Re-implement.
6823         (pta_stats): New global variable.
6824         (dump_pta_stats): New function.
6825         (struct constraint_expr): Make offset signed.
6826         (UNKNOWN_OFFSET): Define special value.
6827         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6828         (solution_set_expand): New helper function split out from ...
6829         (do_sd_constraint): ... here.
6830         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6831         (do_ds_constraint): Likewise.
6832         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6833         and CALLUSED = *CALLUSED.
6834         (set_union_with_increment): Make inc argument signed.
6835         (type_safe): Remove.
6836         (get_constraint_for_ptr_offset): Handle unknown and negative
6837         constant offsets.
6838         (first_vi_for_offset): Handle offsets before start.  Bail
6839         out early for offsets beyond the variable extent.
6840         (first_or_preceding_vi_for_offset): New function.
6841         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6842         Together with ESCAPED = *ESCAPED this properly computes reachability.
6843         (find_what_var_points_to): New function.
6844         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6845         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6846         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6847         pt_solutions_intersect): New functions.
6848         (compute_call_used_vars): Remove.
6849         (compute_may_aliases): New main entry into PTA computation.
6850         * gimple.h (gimple_p): New typedef.
6851         (struct gimple_statement_base): Remove references_memory_p.
6852         (struct gimple_statement_with_memory_ops_base): Remove
6853         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6854         members.
6855         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6856         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6857         gimple_set_references_memory): Remove.
6858         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6859         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6860         New functions.
6861         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6862         (verify_expr): Allow RESULT_DECL.
6863         (gimple_duplicate_bb): Do not copy virtual operands.
6864         (gimple_duplicate_sese_region): Adjust.
6865         (gimple_duplicate_sese_tail): Likewise.
6866         (mark_virtual_ops_in_region): Remove.
6867         (move_sese_region_to_fn): Do not call it.
6868         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6869         and pass_simple_dse.
6870         (execute_function_todo): Handle TODO_update_address_taken,
6871         call execute_update_addresses_taken for TODO_rebuild_alias.
6872         (execute_todo): Adjust.
6873         (execute_one_pass): Init dump files early.
6874         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6875         call-clobbered.
6876         (create_general_new_stmt): Clear vops.
6877         * tree-ssa-reassoc.c (get_rank): Adjust.
6878         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6879         symbols for renaming.
6880         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6881         (PARAM_AVG_ALIASED_VOPS): Likewise.
6882         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6883         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6884         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6885         (operand_build_cmp, copy_virtual_operands,
6886         create_ssa_artificial_load_stmt, add_to_addressable_set,
6887         gimple_add_to_addresses_taken): Remove public functions.
6888         (unlink_stmt_vdef): New function.
6889
6890 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6891
6892         * config.gcc (powerpc-*-linux*): Merge variants.
6893
6894 2009-04-02  Chao-ying Fu  <fu@mips.com>
6895             James Grosbach  <james.grosbach@microchip.com>
6896
6897         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6898         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6899         cop0_sp_offset.
6900         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6901         keep_interrupts_masked_p, use_debug_exception_return_p.
6902         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6903         keep_interrupts_masked, use_debug_exception_return.
6904         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6905         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6906         New functions.
6907         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6908         (mips_print_operand): Process COP0 registers to print $0 .. $31
6909         correctly for GAS to process.
6910         (mips_interrupt_extra_call_saved_reg_p): New function.
6911         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6912         extra registers.
6913         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6914         (mips_compute_frame_info): Add supports for interrupt context that
6915         includes doubleword accumulators and COP0 registers.
6916         (mips_for_each_saved_acc): New function.
6917         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6918         mips_for_each_saved_reg.
6919         (mips_save_reg): Save accumulators.
6920         (mips_kernel_reg_p): A new for_each_rtx callback.
6921         (mips_expand_prologue): Support interrupt handlers.
6922         (mips_restore_reg): Restore accumulators.
6923         (mips_expand_epilogue): Support interrupt handlers.
6924         (mips_can_use_return_insn): Return false for interrupt handlers.
6925         (mips_epilogue_uses): New function.
6926         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6927         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6928         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6929         cop0_move): New instructions.
6930         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6931         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6932         defines.
6933         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6934         New defines.
6935         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6936         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6937         interrupt handlers, we use K0 as the temporary register.
6938         (EPILOGUE_USES): Change to a function call.
6939         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6940         handlers, we use K0 as the temporary register.
6941
6942         * doc/extend.texi (Function Attributes): Document interrupt,
6943         use_shadow_register_set, keep_interrupts_masked,
6944         use_debug_exception_return for MIPS attributes.
6945
6946 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6947
6948         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6949         Remove a number of t-files from tmake_file.
6950         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6951         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6952         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6953         target_prototype, not TARGET_PROTOTYPE.
6954         (LINK_OS_GNU_SPEC): Define.
6955         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6956         and darwin-ldoubdle.c.
6957
6958 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6959
6960         PR driver/39293
6961         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6962         (cpp_options): Ditto.
6963         (default_compilers): Ditto.
6964         (display_help): Ditto.
6965         (process_command): Ditto.
6966         (do_spec_1): Ditto.
6967         (set_input): Use lbasename instead of duplicate code.
6968         (save_temps_prefix): New static for -save-temps=obj.
6969         (save_temps_length): Ditto.
6970
6971         * doc/invoke.texi (-save-temps=obj): Document new variant to
6972         -save-temps switch.
6973
6974 2009-04-02  Jeff Law  <law@redhat.com>
6975
6976         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6977         variable.
6978
6979 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6980
6981         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6982         * configure: Regenerated.
6983
6984 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6985
6986         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6987         share the argument list.
6988
6989 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6990
6991         Merge
6992
6993         2009-02-12  Diego Novillo  <dnovillo@google.com>
6994
6995         * varpool.c (debug_varpool): New.
6996         * cgraph.h (debug_varpool): Declare.
6997
6998 2009-04-02  Jan Hubicka  <jh@suse.cz>
6999
7000         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7001         pass.
7002
7003 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7004
7005         * config/i386/i386.c (ix86_abi): Move initialization to ...
7006         (override_options): Here.
7007
7008 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7009
7010         * config/sh/sh.c (sh_dwarf_register_span): New function.
7011         (TARGET_DWARF_REGISTER_SPAN): Define.
7012         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7013
7014 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7015
7016         PR tree-optimization/39595
7017         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7018         interleaved loads group is not  greater than the SLP group size.
7019
7020 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7021
7022         * builtins.c (is_builtin_name): New.
7023         (called_as_built_in): Use is_builtin_name.
7024         * tree.h (is_builtin_name): New.
7025         * varasm.c (incorporeal_function_p): Use is_builtin_name
7026
7027 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7028
7029         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7030
7031 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7032
7033         PR c++/26693
7034         * c-decl.c (clone_underlying_type): Move this ...
7035         * c-common.c (set_underlying_type): ... here.
7036         Also, make sure the function properly sets TYPE_STUB_DECL() on
7037         the newly created typedef variant type.
7038         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7039         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7040         points.
7041
7042 2009-04-02  Richard Guenther  <rguenther@suse.de>
7043
7044         PR tree-optimization/37221
7045         * tree-flow.h (degenerate_phi_result): Declare.
7046         * tree-ssa-dom.c (degenerate_phi_result): Export.
7047         * tree-scalar-evolution.c (analyze_initial_condition): If
7048         the initial condition is defined by a degenerate PHI node
7049         use the degenerate value.
7050
7051 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7052
7053         PR rtl-optimization/39588
7054         * combine.c (merge_outer_ops): Do not set the constant when this
7055         is not necessary.
7056         (simplify_shift_const_1): Do not modify it either in this case.
7057
7058 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7059
7060         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7061         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7062
7063 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7064
7065         PR c/29027
7066         * c-lex.c (interpret_float): Default (no suffix) is double.
7067
7068 2009-04-1  Xinliang David Li  <davidxl@google.com>
7069
7070         * config/i386/i386.c (legitimate_constant_p): Recognize
7071         all one vector constant.
7072
7073 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7074
7075         * config/vax/vax.c: Add #includes to silence warnings.
7076         Change #include order to silence two warnings.
7077
7078 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7079
7080         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7081         (ASM_SPEC): Pass -k to the assembler for PIC code.
7082
7083 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7084
7085         * config.gcc: Add vax-*-linux* to the switch.
7086         * config/vax/linux.h: New file. (TARGET_VERSION,
7087         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7088
7089 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7090
7091         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7092         Use predicate macros instead of GET_CODE() == foo.
7093         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7094         ashlsi3, rotrsi3, <unnamed>): Likewise.
7095
7096 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7097
7098         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7099         jbbccihi, jbbccisi): Remova trailing whitespace.
7100         * config/vax/constraints.md: Likewise.
7101         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7102         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7103         * config/vax/predicates.md: Likewise.
7104         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7105         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7106         * config/vax/vax.h: Likewise.
7107         * config/vax/vax.md (nonlocal_goto): Likewise.
7108
7109 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7110
7111         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7112         (indirectable_address_p, adjacent_operands_p): Add spaces around
7113         braces.
7114         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7115
7116 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7117
7118         * config/vax/vax.c (legitimate_constant_address_p,
7119         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7120         index_term_p, reg_plus_index_p, legitimate_address_p,
7121         vax_mode_dependent_address_p): Update comments to match functions
7122         modified by the recent int->bool conversion.
7123
7124 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7125
7126         * config/vax/builtins.md: Update copyright message.
7127         * config/vax/constraints.md: Likewise.
7128         * config/vax/netbsd-elf.h: Likewise.
7129         * config/vax/predicates.md: Likewise.
7130         * config/vax/vax-protos.h: Likewise.
7131         * config/vax/vax.c: Likewise.
7132         * config/vax/vax.h: Likewise.
7133         * config/vax/vax.md: Likewise.
7134         * config/vax/vax.opt: Likewise.
7135
7136 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7137
7138         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7139         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7140         * config/vax/constraints.md (B, R): Likewise.
7141         * config/vax/predicates.md (external_memory_operand,
7142         nonimmediate_addsub_di_operand): Likewise.
7143         * config/vax/vax.c (vax_output_int_add): Likewise.
7144         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7145         untyped_call): Likewise.
7146
7147 2009-04-01  Matt Thomas  <matt@3am-software.com>
7148
7149         * config/vax/predicates.md: New file.
7150         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7151         external_const_operand, nonsymbolic_operand, external_memory_operand,
7152         indirect_memory_operand, indexed_memory_operand,
7153         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7154         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7155         predicate.
7156         * config/vax/constraints.md: New file.
7157         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7158         New constraint.
7159         * config/vax/builtins.md: New file.
7160         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7161         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7162         jbbccisi): Define.
7163         * config/vax/vax.opt (mqmath): Add option.
7164         * config/vax/vax.md (isfx): Extend with DI.
7165         (VAXintQH, VAXintQHSD): Define.
7166         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7167         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7168         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7169         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7170         (movdi): Update constraints and use vax_output_int_move().
7171         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7172         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7173         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7174         nonlocal_goto): New.
7175         (mov<mode>): Extend accepted operand types.
7176         (subdi3_old): Rename from subdi3, change update constraints and use
7177         a new implementation.
7178         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7179         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7180         MOVE_RATIO, CLEAR_RATIO): Define.
7181         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7182         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7183         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7184         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7185         (split_quadword_operands): Make static and really allow variable
7186         splitting.
7187         (print_operand_address): Update for PIC generation.
7188         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7189         indexable_address_p, fixup_mathdi_operand,
7190         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7191         (vax_float_literal, legitimate_constant_p,
7192         indirectable_constant_address_p, index_term_p,
7193         reg_plus_index_p): Return bool instead of int.
7194         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7195         where needed.
7196         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7197         generation.
7198         (vax_output_conditional_branch): Indent.
7199         (legitimate_constant_address_p, indirectable_constant_address_p,
7200         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7201         vax_mode_dependent_address_p): Return bool instead of int, update for
7202         PIC generation.
7203         * config/vax/vax-protos.h (legitimate_constant_address_p,
7204         legitimate_constant_p, legitimate_address_p,
7205         vax_mode_dependent_address_p): Change declaration to bool.
7206         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7207         vax_expand_addsub_di_operands, vax_output_int_subtract,
7208         vax_output_movmemsi): Declare.
7209         (split_quadword_operands, vax_float_literal): Delete declaration.
7210         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7211         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7212         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7213         ASM_OUTPUT_DWARF_PCREL): Define.
7214         (ASM_SPEC): Change definition to allow PIC generation.
7215
7216 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7217
7218         * doc/sourcebuild.texi: Update front-end requirements.
7219
7220 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7221
7222         PR target/39226
7223         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7224         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7225         (booldi3_internal3): Use boolean_or_operator instead of
7226         boolean_operator.
7227
7228 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7229
7230         PR c/39605
7231         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7232         declarator whose size is not an integer constant expression but
7233         folds to an integer constant, then treat it as a constant
7234         subsequently.
7235
7236 2009-04-01  Richard Guenther  <rguenther@suse.de>
7237
7238         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7239         i * 4 + 2 to (i * 2 + 1) * 2.
7240
7241 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7242
7243         PR c/37772
7244         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7245         return if c_parser_asm_string_literal returned NULL.
7246
7247 2009-04-01  Nick Clifton  <nickc@redhat.com>
7248
7249         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7250         already defined.
7251         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7252         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7253         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7254         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7255         include it.
7256         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7257         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7258         then include it.
7259
7260 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7261
7262         * varasm.c (default_function_rodata_section): Declare DOT as
7263         const char*.
7264
7265 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7266             Andrey Galkin  <agalkin@hypercom.com>
7267
7268         PR/39492
7269         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7270         Make object_name unique for each process.
7271
7272 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7273
7274         PR other/39591
7275         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7276         addressable variables in the parallel that could go out of scope while
7277         running queued tasks.
7278
7279 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7280
7281         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7282         (CASE_VALUES_THRESHOLD): Redefine.
7283         * config/avr/avr.c (avr_override_options): Remove initialization of
7284         avr_case_values_threshold variable.
7285         (avr_case_values_threshold): Remove variable. Add new function.
7286         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7287         * config/avr/avr.opt (mno-tablejump): Remove option.
7288         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7289
7290 2009-04-01  DJ Delorie  <dj@redhat.com>
7291
7292         * varasm.c (default_function_rodata_section): Don't assume
7293         anything about where the first '.' in the section name is.
7294
7295 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7296
7297         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7298         rs6000_emit_stack_tie.
7299
7300 2009-03-31  Ian Lance Taylor  <iant@google.com>
7301
7302         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7303         gimple_code with GIMPLE_RESX, not RESX.
7304
7305 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7306
7307         * c-common.c (c_get_ident): New.
7308         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7309
7310 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7311
7312         * config/rs6000/sysv4.opt (msdata): Improve option description.
7313
7314 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7315
7316         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7317         (divdf3_internal_lat): Remove.
7318         (divxf3_internal_lat): Remove.
7319         (divxf3_internal_thr): Remove.
7320         (divxf): Use divxf3_internal.
7321         * config/ia64/div.md (divsf3_internal_lat): New.
7322         (divdf3_internal_lat): New.
7323         (divxf3_internal): New.
7324
7325 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7326
7327         PR c/448
7328         * Makefile.in (USE_GCC_STDINT): Define.
7329         (stmp-int-hdrs): Install stdint.h if applicable.
7330         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7331         if known.
7332         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7333         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7334         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7335         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7336         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7337         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7338         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7339         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7340         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7341         (c_common_nodes_and_builtins): Initialize
7342         underlying_wchar_type_node.  Do not initialize
7343         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7344         nodes for new types.
7345         (c_stddef_cpp_builtins): Define macros for new types.
7346         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7347         Remove.
7348         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7349         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7350         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7351         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7352         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7353         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7354         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7355         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7356         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7357         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7358         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7359         int16_type_node, int32_type_node, int64_type_node,
7360         uint8_type_node, uint16_type_node, c_uint32_type_node,
7361         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7362         int_least32_type_node, int_least64_type_node,
7363         uint_least8_type_node, uint_least16_type_node,
7364         uint_least32_type_node, uint_least64_type_node,
7365         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7366         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7367         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7368         uintptr_type_node): Define.
7369         * c-cppbuiltin.c (builtin_define_constants,
7370         builtin_define_type_minmax): New.
7371         (builtin_define_stdint_macros): Define more macros.
7372         (c_cpp_builtins): Define more limit macros.
7373         (type_suffix): New.
7374         (builtin_define_type_max): Define in terms of
7375         builtin_define_type_minmax.  Remove is_long parameter.  All
7376         callers changed.
7377         * config.gcc (use_gcc_stdint): Define.
7378         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7379         Add newlib-stdint.h for generic targets.
7380         * config/glibc-stdint.h, config/newlib-stdint.h,
7381         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7382         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7383         * config/score/score.h (UINTPTR_TYPE): Define.
7384         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7385         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7386         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7387         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7388         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7389         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7390         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7391         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7392         * config/spu/spu.h (STDINT_LONG32): Define.
7393         * configure.ac (use_gcc_stdint): Substitute.
7394         * configure: Regenerate.
7395         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7396         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7397         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7398         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7399         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7400         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7401         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7402         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7403         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7404         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7405         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7406         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7407         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7408         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7409         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7410         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7411         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7412         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7413         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7414         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7415         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7416         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7417         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7418         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7419         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7420         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7421         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7422         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7423         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7424
7425 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7426
7427         * loop-iv.c (suitable_set_for_replacement): Renamed from
7428         simplify_using_assignment; changed to return bool and to accept new
7429         args DEST and SRC.  Return true iff we find a source/destination pair
7430         that can be used to make a replacement, and fill SRC and DEST if so.
7431         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7432         changed.
7433         (simplify_using_initial_values): Deal with altered regs here and track
7434         more precisely the effect they have on the validity of our expression.
7435
7436         * loop-iv.c (simplify_using_condition): A condition of the form
7437         (EQ REG CONST) can be used to simply make a substitution.
7438         (simplify_using_initial_values): Keep track of conditions we have seen
7439         and keep using them to simplify new expressions, while applying the
7440         same substitutions to them as to the expression.
7441
7442         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7443         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7444         GEU/LTU reversed.
7445
7446         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7447         changed.  Use this when trying to improve the upper bound.
7448         Generate the comparison by using simplify_gen_relational.
7449
7450         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7451
7452         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7453         functions.
7454         (simplify_using_assignment, simplify_using_initial_values): Call
7455         replace_in_expr to make replacements.  Call replace_single_def_regs
7456         once on the initial version of the expression.
7457
7458 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7459
7460         PR target/27237
7461         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7462
7463 2009-03-31  Richard Guenther  <rguenther@suse.de>
7464
7465         PR middle-end/31029
7466         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7467         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7468
7469 2009-03-31  Richard Guenther  <rguenther@suse.de>
7470
7471         * tree.h (div_if_zero_remainder): Declare.
7472         * fold-const.c (div_if_zero_remainder): Export.
7473         * tree-ssa-forwprop.c
7474         (forward_propagate_addr_into_variable_array_index): Handle
7475         constant array index addition outside of the variable index.
7476
7477 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7478
7479         PR target/39592
7480         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7481         define_splits, floatunssi<mode>2): Require x87 conversions from
7482         DImode to be permitted.
7483
7484 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7485
7486         PR preprocessor/15638
7487         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7488
7489 2009-03-31  Richard Guenther  <rguenther@suse.de>
7490
7491         PR middle-end/23401
7492         PR middle-end/27810
7493         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7494         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7495         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7496         a separate statement.
7497         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7498         (lookup_tmp_var): Likewise.
7499         (is_gimple_formal_tmp_or_call_rhs): Remove.
7500         (is_gimple_reg_or_call_rhs): Rename to ...
7501         (is_gimple_reg_rhs_or_call): ... this.
7502         (is_gimple_mem_or_call_rhs): Rename to ...
7503         (is_gimple_mem_rhs_or_call): ... this.
7504         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7505         DECL_GIMPLE_REG_P only if is_formal is true.
7506         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7507         for non-proper post-modify expression gimplification.
7508         (gimplify_self_mod_expr): For post-modify expressions gimplify
7509         the lvalue to a minimal lvalue.
7510         (rhs_predicate_for): Remove formal temp case.
7511         (gimplify_modify_expr_rhs): Likewise.
7512         (gimplify_addr_expr): Use is_gimple_reg.
7513         (gimplify_expr): Remove formal temp cases.
7514         (gimple_regimplify_operands): Likewise.
7515         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7516         and FILTER_EXPR like constants.
7517         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7518         is_gimple_reg.
7519         (is_gimple_formal_tmp_rhs): Remove.
7520         (is_gimple_reg_rhs): Remove special casing.
7521         (is_gimple_mem_rhs): Fix.
7522         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7523         (is_gimple_formal_tmp_var): Remove.
7524         (is_gimple_formal_tmp_reg): Likewise.
7525         (is_gimple_min_lval): Allow invariant component ref parts.
7526         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7527         is_gimple_formal_tmp_reg): Remove declarations.
7528         * tree-cfg.c (verify_expr): Verify that variables with address
7529         taken do not have DECL_GIMPLE_REG_P set.
7530         * tree-mudflap.c (mf_build_check_statement_for): Use
7531         force_gimple_operand instead of gimplify_expr.
7532
7533 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7534
7535         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7536         schedulable rows to compute_split_row.
7537
7538 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7539
7540         PR target/31635
7541         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7542         OPT_mvrsave.
7543
7544 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7545
7546         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7547         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7548         * configure: Regenerate.
7549         * config.in: Regenerate.
7550         * config/rs6000/rs6000.opt (mtls-markers): Add.
7551         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7552         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7553         (tls_ld_aix, tls_ld_sysv): Likewise.
7554         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7555         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7556
7557 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7558
7559         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7560
7561 2009-03-30  Jan Hubicka  <jh@suse.cz>
7562
7563         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7564         out of RESX.
7565         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7566         detection and label handling.
7567
7568 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7569
7570         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7571         left_conflicts_size.
7572         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7573         ALLOCNO_LEFT_CONFLICTS_SIZE.
7574
7575         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7576         remove_allocno_from_bucket_and_push,
7577         allocno_spill_priority_compare, push_allocnos_to_stack,
7578         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7579         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7580         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7581         setup_allocno_left_conflicts_size.
7582         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7583         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7584         setup_allocno_left_conflicts_size instead of
7585         setup_allocno_left_conflicts_num.
7586
7587         * ira-build.c (ira_create_allocno): Use
7588         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7589         ALLOCNO_LEFT_CONFLICTS_NUM.
7590
7591 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7592
7593         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7594         instead of DF_LR_OUT.
7595
7596         * ira-lives.c (process_bb_node_lives): Ditto.
7597
7598         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7599         instead of DF_LR_{OUT,IN}.
7600
7601         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7602
7603         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7604
7605 2009-03-30  Jan Hubicka  <jh@suse.cz>
7606
7607         * except.c (label_to_region_map): Fix thinko.
7608
7609 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7610
7611         PR middle-end/38237
7612         * tree.h (tree_find_value): New declaration.
7613         * tree.c (tree_find_value): New function.
7614         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7615
7616 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7617
7618         PR debug/39563
7619         * c-decl.c (struct c_binding): Add locus field.
7620         (bind): Add locus argument, set locus field from it.
7621         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7622         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7623         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7624         implicitly_declare, undeclared_variable, lookup_label,
7625         declare_label, c_make_fname_decl, c_builtin_function,
7626         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7627         bind callers.
7628
7629 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7630
7631         PR target/38781
7632         * config/i386/i386.c (classify_argument): Check total size of
7633         structure.
7634
7635 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7636
7637         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7638         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7639         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7640         respectively.
7641
7642         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7643         seen_variable_array_ref while also traversing a union.
7644
7645         * tree-inline.c (optimize_inline_calls): Do not call
7646         cgraph_node_remove_callees.
7647         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7648         (pass_remove_cgraph_callee_edges): New variable.
7649         * passes.c (init_optimization_passes): Add
7650         pass_remove_cgraph_callee_edges after early inlining and before all
7651         late intraprocedural passes.
7652
7653         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7654
7655 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7656
7657         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7658         Fix typos in names.
7659
7660 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7661
7662         * combine.c (simplify_comparison): Use have_insn_for.
7663         * dojump.c (do_jump): Likewise.
7664
7665 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7666
7667         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7668         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7669         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7670         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7671         instead of sparc_compare_emitted.
7672         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7673         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7674         instead of sparc_compare_emitted.
7675
7676 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7677
7678         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7679         enter/exit cfglayout mode.
7680         (pass_partition_block): Require it.
7681         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7682         (combine_instructions): Track basic blocks instead of labels.
7683         (update_cfg_for_uncondjump): New.
7684         (try_combine): Use it.  Update jumps after rescanning.
7685         (pass_combine): Require PROP_cfglayout.
7686         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7687
7688 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7689
7690         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7691         Provide/destroy PROP_cfglayout respectively.
7692         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7693         * tree-pass.h (PROP_cfglayout): New.
7694
7695 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7696
7697         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7698         fold_convert_const_fixed_from_fixed,
7699         fold_convert_const_fixed_from_int,
7700         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7701         set TREE_CONSTANT_OVERFLOW.
7702         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7703         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7704
7705 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7706
7707         * tree-vect-loop-manip.c: New file.
7708         * tree-vectorizer.c: Update documentation and included files.
7709         (vect_loop_location): Make extern.
7710         (rename_use_op): Move to tree-vect-loop-manip.c
7711         (rename_variables_in_bb, rename_variables_in_loop,
7712         slpeel_update_phis_for_duplicate_loop,
7713         slpeel_update_phi_nodes_for_guard1,
7714         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7715         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7716         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7717         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7718         find_loop_location): Likewise.
7719         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7720         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7721         get_vectype_for_scalar_type, vect_is_simple_use,
7722         supportable_widening_operation, supportable_narrowing_operation):
7723         Likewise.
7724         (bb_in_loop_p): Move to tree-vect-loop.c.
7725         (new_loop_vec_info, destroy_loop_vec_info,
7726         reduction_code_for_scalar_code, report_vect_op,
7727         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7728         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7729         (vect_supportable_dr_alignment): Likewise.
7730         * tree-vectorizer.h (tree-data-ref.h): Include.
7731         (vect_loop_location): Declare.
7732         Reorganize function declarations according to the new file structure.
7733         * tree-vect-loop.c: New file.
7734         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7735         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7736         * tree-vect-data-refs.c: New file.
7737         * tree-vect-patterns.c (timevar.h): Don't include.
7738         * tree-vect-stmts.c: New file.
7739         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7740         tree-vect-slp.c, tree-vect-loop.c.
7741         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7742         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7743         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7744         (tree-vect-analyze.o): Remove.
7745         (tree-vect-transform.o): Likewise.
7746         (tree-vect-data-refs.o): Add rule.
7747         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7748         tree-vect-slp.o): Likewise.
7749         (tree-vect-patterns.o): Remove redundant dependencies.
7750         (tree-vectorizer.o): Likewise.
7751         * tree-vect-slp.c: New file.
7752
7753 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7754
7755         * optc-gen.awk: Warn if an option flag has multiple different
7756         help strings.
7757
7758 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7759
7760         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7761         -floop-block): Document dependences on PPL, CLooG and Graphite.
7762
7763 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7764
7765         PR rtl-optimization/323
7766         * c-common.c (c_fully_fold, convert_and_check,
7767         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7768         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7769         * c-common.def (EXCESS_PRECISION_EXPR): New.
7770         * c-cppbuiltin.c (builtin_define_float_constants): Define
7771         constants with enough digits for long double.
7772         * c-lex.c (interpret_float): Interpret constant with excess
7773         precision where appropriate.
7774         * c-opts.c (c_common_post_options): Set
7775         flag_excess_precision_cmdline.  Give an error for
7776         -fexcess-precision=standard for C++ for processors where the
7777         option is significant.
7778         * c-parser.c (c_parser_conditional_expression): Handle excess
7779         precision in condition.
7780         * c-typeck.c (convert_arguments): Handle arguments with excess
7781         precision.
7782         (build_unary_op): Move excess precision outside operation.
7783         (build_conditional_expr): Likewise.
7784         (build_compound_expr): Likewise.
7785         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7786         (build_modify_expr): Handle excess precision in RHS.
7787         (convert_for_assignment): Handle excess precision in converted
7788         value.
7789         (digest_init, output_init_element, process_init_element): Handle
7790         excess precision in initializer.
7791         (c_finish_return): Handle excess precision in return value.
7792         (build_binary_op): Handle excess precision in operands and add
7793         excess precision as needed for operation.
7794         * common.opt (-fexcess-precision=): New option.
7795         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7796         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7797         For standard excess precision, output explicit conversion to and
7798         truncation from XFmode.
7799         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7800         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7801         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7802         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7803         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7804         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7805         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7806         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7807         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7808         define_splits, sqrt<mode>2): Disable where appropriate for
7809         standard excess precision.
7810         * convert.c (convert_to_real): Do not shorten arithmetic to type
7811         for which excess precision would be used.
7812         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7813         * doc/invoke.texi (-fexcess-precision=): Document option.
7814         (-mfpmath=): Correct index entry.
7815         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7816         flag_excess_precision): New.
7817         * langhooks.c (lhd_post_options): Set
7818         flag_excess_precision_cmdline.
7819         * opts.c (common_handle_option): Handle -fexcess-precision=.
7820         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7821         init_excess_precision): New.
7822         (lang_dependent_init_target): Call init_excess_precision.
7823         * tree.c (excess_precision_type): New.
7824         * tree.h (excess_precision_type): Declare.
7825
7826 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7827
7828         PR c/35235
7829         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7830         non-lvalue to component.
7831
7832 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7833
7834         PR preprocessor/34695
7835         * Makefile.in (c-opts.o): Depend on c-tree.h.
7836         * c-common.c: Move down include of diagnostic.h.
7837         (done_lexing, c_cpp_error): New.
7838         * c-common.h (done_lexing): Declare.
7839         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7840         (parse_in).
7841         * c-opts.c: Include c-tree.h.
7842         (c_common_init_options): Set preprocessor error callback.
7843         (c_common_handle_option): Do not set preprocessor
7844         inhibit_warnings, warnings_are_errors, warn_system_headers,
7845         pedantic_errors or inhibit_warnings flags.
7846         (c_common_post_options): Do not check cpp_errors (parse_in).
7847         (c_common_finish): Do not output dependencies if there were
7848         errors.  Do not check return value of cpp_finish.
7849         * c-ppoutput.c (pp_file_change): Set input_location.
7850         * c-tree.h (c_cpp_error): Declare.
7851         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7852         override_column.
7853         (diagnostic_build_prefix): Check override_column.
7854         * diagnostic.h (diagnostic_info): Add override_column field.
7855         (diagnostic_override_column): Define.
7856
7857 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7858
7859         * c-common.c (c_expand_expr, c_staticp): Remove.
7860         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7861         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7862         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7863         * c-gimplify.c (gimplify_compound_literal_expr,
7864         optimize_compound_literals_in_ctor): Remove.
7865         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7866         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7867         * c-semantics.c (emit_local_var): Remove.
7868
7869         * langhooks-def.h (lhd_expand_expr): Remove.
7870         * langhooks.c (lhd_expand_expr): Remove.
7871         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7872
7873         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7874         handling from c-semantics.c; don't call into langhook.
7875         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7876         * gimplify.c (gimplify_compound_literal_expr,
7877         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7878         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7879         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7880         as was done in c-gimplify.c.
7881         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7882         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7883         Move from c-common.h.
7884         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7885
7886         * tree.c (staticp): Do not call langhook.
7887         * langhooks.c (lhd_staticp): Delete.
7888         * langhooks-def.h (lhd_staticp): Delete prototype.
7889         (LANG_HOOKS_STATICP): Delete.
7890         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7891
7892         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7893         instead of DECL_STMTs.
7894
7895 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7896
7897         PR c/456
7898         PR c/5675
7899         PR c/19976
7900         PR c/29116
7901         PR c/31871
7902         PR c/35198
7903         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7904         void_type_node.
7905         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7906         contained expression.
7907         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7908         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7909         conditional expressions for C.
7910         (decl_constant_value_for_optimization): Move from
7911         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7912         whether optimizing and that the expression is a VAR_DECL not of
7913         array type instead of doing such checks in the caller.  Do not
7914         check pedantic.  Call gcc_unreachable for C++.
7915         * c-common.def (C_MAYBE_CONST_EXPR): New.
7916         * c-common.h (c_fully_fold, c_save_expr,
7917         decl_constant_value_for_optimization): New prototypes.
7918         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7919         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7920         EXPR_INT_CONST_OPERANDS): Define.
7921         * c-convert.c (convert): Strip nops from expression.
7922         * c-decl.c (groktypename): Take extra parameters expr and
7923         expr_const_operands.  Update call to grokdeclarator.
7924         (start_decl): Update call to grokdeclarator.  Add statement for
7925         expressions used in type of decl.
7926         (grokparm): Update call to grokdeclarator.
7927         (push_parm_decl): Update call to grokdeclarator.
7928         (build_compound_literal): Add parameter non_const and build a
7929         C_MAYBE_COSNT_EXPR if applicable.
7930         (grokdeclarator): Take extra parameters expr and
7931         expr_const_operands.  Track expressions used in declaration
7932         specifiers and declarators.  Fold array sizes and track whether
7933         they are constant expressions and whether they are integer
7934         constant expressions.
7935         (parser_xref_tag): Set expr and expr_const_operands fields in
7936         return value.
7937         (grokfield): Update call to grokdeclarator.
7938         (start_function): Update call to grokdeclarator.
7939         (build_null_declspecs): Set expr and expr_const_operands fields in
7940         return value.
7941         (declspecs_add_type): Handle expressions in typeof specifiers.
7942         * c-parser.c (c_parser_declspecs): Set expr and
7943         expr_const_operands fields for declaration specifiers.
7944         (c_parser_enum_specifier): Likewise.
7945         (c_parser_struct_or_union_specifier): Likewise.
7946         (c_parser_typeof_specifier): Likewise.  Update call to
7947         groktypename.  Fold expression as needed.  Return expressions with
7948         type instead of adding statements.
7949         (c_parser_attributes): Update calls to c_parser_expr_list.
7950         (c_parser_statement_after_labels): Fold expression before passing
7951         to objc_build_throw_stmt.
7952         (c_parser_condition): Fold expression.
7953         (c_parser_asm_operands): Fold expression.
7954         (c_parser_conditional_expression): Use c_save_expr.  Update call
7955         to build_conditional_expr.
7956         (c_parser_alignof_expression): Update call to groktypename.
7957         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7958         original_code.  Fold expression argument of va_arg.  Create
7959         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7960         argument to va_arg.  Update calls to groktypename.  Fold array
7961         index for offsetof.  Verify that first argument to
7962         __builtin_choose_expr has integer type.
7963         (c_parser_postfix_expression_after_paren_type): Update calls to
7964         groktypename and build_compound_literal.  Handle expressions with
7965         side effects in type name.
7966         (c_parser_postfix_expression_after_primary): Update call to
7967         c_parser_expr_list.  Set original_code for calls to
7968         __builtin_constant_p.
7969         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7970         expressions if requested.
7971         (c_parser_objc_type_name): Update call to groktypename.
7972         (c_parser_objc_synchronized_statement): Fold expression.
7973         (c_parser_objc_receiver): Fold expression.
7974         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7975         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7976         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7977         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7978         (struct c_typespec): Add elements expr and expr_const_operands.
7979         (struct c_declspecs): Add elements expr and expr_const_operands.
7980         (groktypename, build_conditional_expr, build_compound_literal):
7981         Update prototypes.
7982         (in_late_binary_op): Declare.
7983         * c-typeck.c (note_integer_operands): New function.
7984         (in_late_binary_op): New variable.
7985         (decl_constant_value_for_broken_optimization): Move to c-common.c
7986         and rename to decl_constant_value_for_optimization.
7987         (default_function_array_conversion): Do not strip nops.
7988         (default_conversion): Do not call
7989         decl_constant_value_for_broken_optimization.
7990         (build_array_ref): Do not fold result.
7991         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7992         result when operand is a VLA.
7993         (c_expr_sizeof_type): Update call to groktypename.  Handle
7994         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7995         result when operand names a VLA type.
7996         (build_function_call): Update call to build_compound_literal.
7997         Only fold result for calls to __builtin_* functions.  Strip
7998         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7999         the function designator.
8000         (convert_arguments): Fold arguments.  Update call to
8001         convert_for_assignment.
8002         (build_unary_op): Handle increment and decrement of
8003         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8004         decrement earlier.  Fold operand of increment and decrement.
8005         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8006         built for integer operand.  Wrap returns that are INTEGER_CSTs
8007         without being integer constant expressions or that have integer
8008         constant operands without being INTEGER_CSTs.
8009         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8010         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8011         result is an integer constant expression or can be used in
8012         unevaluated parts of one and avoid folding and wrap as
8013         appropriate.  Fold operands before possibly doing -Wsign-compare
8014         warnings.
8015         (build_compound_expr): Wrap result for C99 if operands can be used
8016         in integer constant expressions.
8017         (build_c_cast): Update call to digest_init.  Do not ignore
8018         overflow from casting floating-point constants to integers.  Wrap
8019         results that could be confused with integer constant expressions,
8020         null pointer constants or floating-point constants.
8021         (c_cast_expr): Update call to groktypename.  Handle expressions
8022         included in type name.
8023         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8024         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8025         Update calls to convert_for_assignment.
8026         (convert_for_assignment): Take new parameter
8027         null_pointer_constant.  Do not strip nops or call
8028         decl_constant_value_for_broken_optimization.  Set
8029         in_late_binary_op for conversions to boolean.
8030         (store_init_value): Update call to digest_init.
8031         (digest_init): Take new parameter null_pointer_constant.  Do not
8032         call decl_constant_value_for_broken_optimization.  pedwarn for
8033         initializers not constant expressions.  Update calls to
8034         convert_for_assignment.
8035         (constructor_nonconst): New.
8036         (struct constructor_stack): Add nonconst element.
8037         (really_start_incremental_init, push_init_level, pop_init_level):
8038         Handle constructor_nonconst and nonconst element.
8039         (set_init_index): Call constant_expression_warning for array
8040         designators.
8041         (output_init_element): Fold value.  Set constructor_nonconst as
8042         applicable.  pedwarn for initializers not constant expressions.
8043         Update call to digest_init.  Call constant_expression_warning
8044         where constant initializers are required.
8045         (process_init_element): Use c_save_expr.
8046         (c_finish_goto_ptr): Fold expression.
8047         (c_finish_return): Fold return value.  Update call to
8048         convert_for_assignment.
8049         (c_start_case): Fold switch expression.
8050         (c_process_expr_stmt): Fold expression.
8051         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8052         ensure statement expression is not evaluated in constant expression.
8053         (build_binary_op): Track whether results are integer constant
8054         expressions or may occur in such, disable folding and wrap results
8055         as applicable.  Fold operands for -Wsign-compare warnings unless
8056         in_late_binary_op.
8057         (c_objc_common_truthvalue_conversion): Handle results folded to
8058         integer constants that are not integer constant expressions.
8059         * doc/extend.texi: Document when typeof operands are evaluated,
8060         that condition of __builtin_choose_expr is an integer constant
8061         expression, and more about use of __builtin_constant_p in
8062         initializers.
8063
8064 2009-03-29  Richard Guenther  <rguenther@suse.de>
8065
8066         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8067         propagate addresses of array references.
8068
8069 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8070
8071         * regmove.c (perhaps_ends_bb_p): Remove.
8072         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8073         from INSN and check that the main loop stays within that basic block.
8074         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8075         (regmove_forward_pass): Split out from regmove_optimize.  Use
8076         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8077         (regmove_backward_pass): Split out from regmove_optimize.  Use
8078         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8079         (regmove_optimize): Simplify.
8080
8081 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8082
8083         PR target/39545
8084         * config/i386/i386.c (classify_argument): Ignore flexible array
8085         member in struct and warn ABI change.
8086
8087 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8088
8089         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8090
8091         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8092         (ix86_adjust_cost): Updated.
8093
8094 2009-03-29  Jan Hubicka  <jh@suse.cz>
8095
8096         PR middle-end/28850
8097         * tree-pass.h (pass_cleanup_eh): New function.
8098         (remove_unreachable_regions): Break code handling RTL
8099         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8100         that can not be reached by runtime.
8101         (can_be_reached_by_runtime): New function.
8102         (label_to_region_map): New function.
8103         (num_eh_regions): New function.
8104         (rtl_remove_unreachable_regions): New function.
8105         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8106         (remove_eh_region): New function.
8107         * except.h: Include sbitmap and vecprim.
8108         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8109         num_eh_regions): Declare.
8110         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8111         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8112         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8113         (tree_empty_eh_handler_p): New function.
8114         (cleanup_empty_eh): New function.
8115         (cleanup_eh): New function.
8116         (pass_cleanup_eh): New function.
8117
8118 2009-03-29  Jan Hubicka  <jh@suse.cz>
8119
8120         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8121         for removed regions.
8122
8123 2009-03-29  Jan Hubicka  <jh@suse.cz>
8124
8125         * except.c (dump_eh_tree): Dump all datastructures.
8126
8127 2009-03-29  Jan Hubicka  <jh@suse.cz>
8128
8129         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8130         (duplicate_eh_regions_1): Likewise.
8131         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8132         vector; call EH verification.
8133         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8134         Be ready for region being removed.
8135
8136 2009-03-29  Jan Hubicka  <jh@suse.cz>
8137
8138         * bitmap.c (bitmap_last_set_bit): New function.
8139         * bitmap.h (bitmap_last_set_bit): Declare.
8140
8141 2009-03-29  David Ayers  <ayers@fsfe.org>
8142
8143         PR objc/27377
8144         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8145         by calling objc_compare_types and surpress warnings about
8146         incompatible C pointers that are compatible ObjC pointers.
8147
8148 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8149
8150         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8151         call initialize_inline_failed.
8152         (initialize_inline_failed): Move it from here ...
8153         * cgraph.c (initialize_inline_failed): ... to here.
8154         (cgraph_create_edge): Call initialize_inline_failed rather than
8155         setting inline_failed directly.
8156
8157 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8158
8159         PR target/32542
8160         * sysv4.opt (msdata): Improve comment.
8161         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8162         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8163
8164 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8165
8166         PR target/30451
8167         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8168         load and store attributes.
8169
8170 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8171
8172         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8173         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8174         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8175         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8176         __builtin_infq and __builtin_huge_valq.
8177
8178 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8179
8180         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8181         atmega8m1 devices.
8182         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8183         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8184
8185 2009-03-28  Xinliang David Li  <davidxl@google.com>
8186
8187         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8188         (do_dbg_cnt): New function.
8189
8190 2009-03-28  Jan Hubicka  <jh@suse.cz>
8191
8192         Merge from pretty-ipa:
8193
8194         2009-03-27  Jan Hubicka  <jh@suse.cz>
8195
8196         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8197         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8198         * passes.c (function_called_by_processed_nodes_p): New.
8199         * ipa-pure-const.c (check_call): Fix handling of operands.
8200         (analyze_function): Dump debug output for skipped bodies.
8201         (local_pure_const): Use function_called_by_processed_nodes_p.
8202         * dwarf2out.c (reference_to_unused): Use output.
8203         * passes.c (do_per_function_toporder): Likewise.
8204
8205         2008-11-12  Jan Hubicka  <jh@suse.cz>
8206
8207         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8208         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8209         state_set_in_source enum
8210         (check_decl): Ignore memory tags; do not set fake looping flags;
8211         dump diagnostics.
8212         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8213         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8214         (check_call, analyze_function): Rewrite.
8215         (check_stmt): New.
8216         (add_new_function): Update call of analyze_function.
8217         (generate_summary): Add call of analyze_function.
8218         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8219         (local_pure_const): New function.
8220         (pass_local_pure_const): New pass.
8221         * ipa-inline.c (inline_transform): Set after_inlining.
8222         * tree-eh.c (stmt_can_throw_external): New.
8223         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8224         work with aliasing built.
8225         * tree-flow.h (stmt_can_throw_external): New.
8226         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8227         and local pure/const pass in early and late optimization queue.
8228
8229 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8230
8231         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8232         allow_func_align.
8233         (fold_binary): Allow function decl aligment consideration is the
8234         second argument is integer constant one.
8235         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8236         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8237         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8238
8239 2009-03-28  Jan Hubicka  <jh@suse.cz>
8240
8241         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8242         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8243         * function.h (rtl_data): Add nothrow flag.
8244         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8245         set DECL_NOTHROW for AVAILABLE functions.
8246
8247 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8248
8249         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8250         following vector keyword has expansion starting with pixel or bool
8251         keyword, expand vector to __vector and pixel or bool to __pixel or
8252         __bool.
8253
8254         PR c++/39554
8255         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8256         warn_if_disallowed_function_p): Removed.
8257         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8258         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8259         warning_if_disallowed_function_p.
8260         * flags.h (warn_if_disallowed_function_p,
8261         warn_disallowed_functions): Removed.
8262         * common.opt (Wdisallowed-function-list=): Removed.
8263         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8264
8265 2009-03-28  Richard Guenther  <rguenther@suse.de>
8266
8267         PR tree-optimization/38723
8268         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8269         the entry block.
8270
8271 2009-03-28  Jan Hubicka  <jh@suse.cz>
8272
8273         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8274         test introduced by my previous patch.
8275
8276 2009-03-28  Richard Guenther  <rguenther@suse.de>
8277
8278         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8279         the PHIs value undefined.
8280
8281 2009-03-28  Jan Hubicka  <jh@suse.cz>
8282
8283         * tree-pass.h (pass_fixup_cfg): New pass.
8284         * ipa-inline.c (inline_transform): Set
8285         always_inline_functions_inlined/after_inlining.
8286         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8287         (pass_fixup_cfg): New pass.
8288         * passes.c (init_optimization_passes): Add fixup_cfg.
8289
8290 2009-03-28  Richard Guenther  <rguenther@suse.de>
8291
8292         PR tree-optimization/38458
8293         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8294         argument use the arguments copy-of value.
8295
8296 2009-03-28  Richard Guenther  <rguenther@suse.de>
8297
8298         PR tree-optimization/38180
8299         * tree-ssa-ccp.c (get_default_value): Simplify.
8300         (likely_value): Likewise.
8301         (surely_varying_stmt_p): Properly handle VOP case.
8302         (ccp_initialize): Likewise.
8303         (ccp_fold): Handle propagating through *&.
8304         (fold_const_aggregate_ref): Also handle decls.
8305
8306 2009-03-28  Jan Hubicka  <jh@suse.cz>
8307
8308         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8309         * cgraph.h (cgraph_node): Likewise.
8310         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8311         (cgraph_reset_node): Use process flag.
8312         (cgraph_mark_functions_to_output): Likewise.
8313         (cgraph_expand_function): Likewise.
8314         (cgraph_expand_all_functions): Likewise.
8315         (cgraph_output_in_order): Likewise.
8316         * dwarf2out.c (reference_to_unused): Likewise.
8317         * passes.c do_per_function_toporder): Likewise.
8318
8319 2009-03-28  Jan Hubicka  <jh@suse.cz>
8320
8321         Bring from lto-branch:
8322
8323         2008-09-03  Doug Kwan  <dougkwan@google.com>
8324
8325         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8326         enums instead of reason strings.
8327         * cgraph.c (cgraph_create_edge): Same.
8328         (cgraph_inline_failed_string): New function.
8329         * cgraph.h (cgraph_inline_failed_t): New enum type.
8330         (cgraph_inline_failed_string): New prototype.
8331         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8332         char pointer to cgraph_inline_failed_t.
8333         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8334         (cgraph_default_inline_p): Ditto.
8335         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8336         to cgraph_inline_failed_t pointer.
8337         * cif-code.def: New file.
8338         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8339         reason string.
8340         (cgraph_check_inline_limits): Change type of REASON to pointer to
8341         cgraph_inline_failed_t.  Replace reason strings with enums.
8342         (cgraph_default_inline_p): Ditto.
8343         (cgraph_recursive_inlining_p): Ditto.
8344         (update_caller_keys): Change type of FAILED_REASON to
8345         cgraph_inline_failed_t.
8346         (cgraph_set_inline_failed): Change type of REASON to pointer to
8347         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8348         convert enums to strings for text output.
8349         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8350         to be of type cgraph_inline_failed_t.  Replace reason strings with
8351         enums.  Call cgraph_inline_failed_string to covert enums
8352         to strings for text output.
8353         (cgraph_decide_inlining): Replace reason strings with enums.
8354         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8355         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8356         for text output.
8357         * tree-inline.c (expand_call_inline): Change type of REASON
8358         to cgraph_inline_failed_t.  Replace reason strings with enums.
8359         Call cgraph_inline_failed_string for text output.
8360         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8361         (cgraph.o): Ditto.
8362
8363 2009-03-28  Jan Hubicka  <jh@suse.cz>
8364
8365         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8366         cgraph_clone_node): Remove master clone handling.
8367         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8368         * cgraph.h (master_clone): Remove.
8369         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8370         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8371         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8372
8373 2009-03-28  Jan Hubicka  <jh@suse.cz>
8374
8375         * cgraph.c (cgraph_function_body_availability): Functions declared
8376         inline are always safe to assume that it is not going to be replaced.
8377
8378 2009-03-28  Richard Guenther  <rguenther@suse.de>
8379
8380         PR tree-optimization/38513
8381         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8382         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8383         EXC_PTR_EXPR and FILTER_EXPR.
8384         (get_ref_from_reference_ops): Likewise.
8385
8386 2009-03-28  Richard Guenther  <rguenther@suse.de>
8387
8388         PR tree-optimization/38968
8389         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8390         Use FLOOR_MOD_EXPR to compute misalignment.
8391
8392 2009-03-28  Richard Guenther  <rguenther@suse.de>
8393
8394         PR tree-optimization/37795
8395         * tree.h (combine_comparisons): Declare.
8396         * fold-const.c (combine_comparisons): Export.
8397         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8398         comparisons.
8399         (ifcombine_iforif): Use combine_comparisons.
8400
8401 2009-03-28  Jan Hubicka  <jh@suse.cz>
8402
8403         * tree-eh.c (inlinable_call_p): New function.
8404         (make_eh_edges): Use it.
8405         (verify_eh_edges): Use it.
8406         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8407         * except.c (reachable_next_level): Add inlinable_function argument
8408         (sjlj_find_directly_reachable_regions): Update.
8409         (add_reachable_handler): Do not set saw_any_handlers.
8410         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8411         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8412         Add new inlinable call parameter.
8413         (can_throw_internal, can_throw_external): Update.
8414         * except.h (can_throw_internal_1, can_throw_external_1,
8415         foreach_reachable_handler): Update declaration.
8416
8417 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8418
8419         * config/arm/t-arm-coff, config/h8300/coff.h,
8420         config/i386/i386-aout.h, config/i386/i386-coff.h,
8421         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8422         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8423         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8424         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8425         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8426         sys-types.h: Remove.
8427         * Makefile.in: Remove protoize and fixproto support and references
8428         in comments.
8429         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8430         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8431         Remove.
8432         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8433         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8434         unprotoize$(exeext).
8435         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8436         (.PHONY): Don't depend on proto.
8437         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8438         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8439         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8440         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8441         build/gen-protos.o, build/scan.o, xsys-protos.h,
8442         build/fix-header$(build_exeext), build/fix-header.o,
8443         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8444         stmp-install-fixproto): Remove.
8445         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8446         SYSCALLS.c or fixproto files.
8447         (install-common): Don't install protoize.
8448         (install-headers-tar, install-headers-cpio, install-headers-cp):
8449         Don't depend on $(STMP_FIXPROTO).
8450         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8451         install fixproto files or write out fixproto settings.
8452         (uninstall): Don't uninstall protoize.
8453         * config.gcc (use_fixproto): Remove.
8454         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8455         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8456         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8457         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8458         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8459         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8460         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8461         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8462         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8463         * config/t-vxworks (STMP_FIXPROTO): Remove.
8464         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8465         STMP_FIXPROTO): Remove.
8466         * config.in, configure: Regenerate.
8467         * crtstuff.c (gid_t, uid_t): Don't undefine.
8468         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8469         (arm-*-coff, arm-*-aout: Remove target entries.
8470         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8471         Remove mention of AIX 4.1.
8472         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8473         * doc/invoke.texi (Running Protoize): Remove.
8474         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8475         (Protoize Caveats): Remove.
8476         * tsystem.h: Update comments on headers assumed to exist.
8477
8478 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8479
8480         * genautomata.c: Add a new year to the copyright.  Add a new
8481         reference.
8482         (struct insn_reserv_decl): Add comments for member bypass_list.
8483         (find_bypass): Remove.
8484         (insert_bypass): New.
8485         (process_decls): Use insert_bypass.
8486         (output_internal_insn_latency_func): Output all bypasses with the
8487         same input insn in one switch case.
8488
8489         * rtl.def (define_bypass): Describe bypass choice.
8490         * doc/md.texi (define_bypass): Ditto.
8491
8492 2009-03-27  Richard Guenther  <rguenther@suse.de>
8493
8494         * gimplify.c (mark_addressable): Export.
8495         * tree-flow.h (mark_addressable): Declare.
8496         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8497         * tree-ssa.c (verify_phi_args): Verify that address taken
8498         variables have TREE_ADDRESSABLE set.
8499
8500 2009-03-27  Richard Guenther  <rguenther@suse.de>
8501
8502         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8503         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8504         Do not mark decls TREE_ADDRESSABLE.
8505         (build_fold_addr_expr): Adjust.
8506         (fold_addr_expr): Remove.
8507         (fold_unary): Use build_fold_addr_expr.
8508         (fold_comparison): Likewise.
8509         (split_address_to_core_and_offset): Likewise.
8510         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8511         TREE_ADDRESSABLE.
8512         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8513         (gimplify_modify_expr_to_memcpy): Mark source and destination
8514         addressable.
8515         * omp-low.c (create_omp_child_function): Mark the object decl
8516         TREE_ADDRESSABLE.
8517         (lower_rec_input_clauses): Mark the var we take the address of
8518         TREE_ADDRESSABLE.
8519         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8520
8521 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8522
8523         PR middle-end/39315
8524         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8525         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8526
8527 2009-03-27  Richard Guenther  <rguenther@suse.de>
8528
8529         PR tree-optimization/39120
8530         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8531         constraints.
8532         (handle_lhs_call): Process return constraints.  Add escape
8533         constraints if necessary.
8534         (handle_const_call): Fill out return constraints.  Make nested
8535         case more precise.  Avoid consttmp if possible.
8536         (handle_pure_call): Fill out return constraints.  Avoid
8537         callused if possible.
8538         (find_func_aliases): Simplify call handling.
8539
8540 2009-03-27  Richard Guenther  <rguenther@suse.de>
8541
8542         PR tree-optimization/39120
8543         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8544         as a representative.
8545         (solve_graph): Do propagate CALLUSED.
8546         (handle_pure_call): Use a scalar constraint from CALLUSED for
8547         the return value.
8548         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8549         solutions.
8550
8551 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8552
8553         PR c/39323
8554         * c-common.c (handle_aligned_attribute): Properly check alignment
8555         overflow.  Use (1U << i) instead of (1 << i).
8556
8557         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8558
8559         * expr.h (get_mem_align_offset): Updated.
8560
8561         * tree.h (tree_decl_common): Change align to "unsigned int" and
8562         move it before pointer_alias_set.
8563
8564 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8565             Jakub Jelinek  <jakub@redhat.com>
8566
8567         PR target/38034
8568         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8569         gr_register_operand with gr_reg_or_0_operand.
8570         (cmpxchg_rel_di): Likewise.
8571         (sync_lock_test_and_set<mode>): Likewise.
8572
8573 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8574
8575         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8576         (true_regnum): Likewise.
8577
8578         * rtlanal.c (subreg_info): Moved to ...
8579         * rtl.h (subreg_info): Here.  New.
8580         (subreg_get_info): New.
8581
8582         * rtlanal.c (subreg_get_info): Make it extern.
8583
8584 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8585
8586         PR target/39472
8587         * config/i386/i386.c (ix86_abi): New.
8588         (override_options): Handle -mabi=.
8589         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8590         (ix86_call_abi_override): Likewise.
8591         (init_cumulative_args): Likewise.
8592         (function_arg_advance): Likewise.
8593         (function_arg_64): Likewise.
8594         (function_arg): Likewise.
8595         (ix86_pass_by_reference): Likewise.
8596         (ix86_function_value_regno_p): Likewise.
8597         (ix86_build_builtin_va_list_abi): Likewise.
8598         (setup_incoming_varargs_64): Likewise.
8599         (is_va_list_char_pointer): Likewise.
8600         (ix86_init_machine_status): Likewise.
8601         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8602         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8603         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8604         (ix86_function_abi): Make it static and return enum calling_abi.
8605         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8606         with ix86_abi.
8607         (ix86_fn_abi_va_list): Updated.
8608
8609         * config/i386/i386.h (ix86_abi): New.
8610         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8611         (CONDITIONAL_REGISTER_USAGE): Likewise.
8612         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8613         (machine_function): Likewise.
8614
8615         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8616         with ix86_abi.
8617         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8618         (STACK_BOUNDARY): Likewise.
8619         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8620
8621         * config/i386/i386.opt (mabi=): New.
8622
8623         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8624         return enum calling_abi.
8625         (ix86_function_type_abi): Likewise.
8626         (ix86_function_abi): Removed.
8627
8628         * doc/invoke.texi: Document -mabi= option for x86.
8629
8630 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8631
8632         * builtins.c (real_dconstp): Delete.
8633         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8634
8635 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8636             Jakub Jelinek  <jakub@redhat.com>
8637
8638         PR debug/37959
8639         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8640         (gen_subprogram_die): When a function is explicit, generate the
8641         DW_AT_explicit attribute.
8642         * langhooks.h (struct lang_hooks_for_decls): Add
8643         function_decl_explicit_p langhook.
8644         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8645         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8646
8647 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8648
8649         * builtins.c (fold_builtin_memory_op): Optimize memmove
8650         into memcpy if we can prove source and destination don't overlap.
8651
8652         * tree-inline.c: Include gt-tree-inline.h.
8653         (clone_fn_id_num): New variable.
8654         (clone_function_name): New function.
8655         (tree_function_versioning): Use it.
8656         * Makefile.in (GTFILES): Add tree-inline.c.
8657
8658 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8659
8660         * BASE-VER: Change to 4.5.0.
8661
8662 2009-03-27  Xinliang David Li  <davidxl@google.com>
8663
8664         PR tree-optimization/39557
8665         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8666
8667 2009-03-27  Xinliang David Li  <davidxl@google.com>
8668
8669         PR tree-optimization/39548
8670         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8671         candidate check.
8672
8673 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8674
8675         * c-common.c (pointer_int_sum): Use %wd on return from
8676         tree_low_cst.
8677
8678 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8679
8680         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8681         on return from tree_low_cst.
8682
8683 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8684
8685         PR c++/36799
8686         * ginclude/stdarg.h (va_copy): Define also for
8687         __GXX_EXPERIMENTAL_CXX0X__.
8688
8689 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8690
8691         PR c++/35652
8692         * builtins.h (c_strlen): Do not warn here.
8693         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8694         * c-common.c (pointer_int_sum): Take an explicit location.
8695         Warn about offsets out of bounds.
8696         * c-common.h (pointer_int_sum): Adjust declaration.
8697
8698 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8699
8700         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8701         markup glitch.
8702
8703 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8704
8705         PR c++/39554
8706         * opts.c (warn_if_disallowed_function_p): Don't assume
8707         get_callee_fndecl must return non-NULL.
8708
8709 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8710
8711         PR rtl-optimization/39522
8712         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8713         when reg_reloaded_valid is set.
8714
8715 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8716
8717         * config/spu/divv2df3.c: New file.
8718         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8719         (DPBIT_FUNCS): Filter out _div_df.
8720
8721 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8722
8723         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8724         a jump insn, count that jump in the distance to the loop start.
8725
8726 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8727
8728         PR target/39523
8729         * config/sh/sh.c (calc_live_regs): Fix condition for global
8730         registers except PIC_OFFSET_TABLE_REGNUM.
8731
8732 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8733
8734         PR/39518
8735         * doc/invoke.texi (-mconsole): New.
8736         (-mcygwin): New.
8737         (-mno-cygwin): New.
8738         (-mdll): New.
8739         (-mnop-fun-dllimport): New.
8740         (-mthread): New.
8741         (-mwin32): New.
8742         (-mwindows): New.
8743         (sub section "i386 and x86-64 Windows Options"): New.
8744
8745 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8746
8747         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8748         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8749
8750 2009-03-25  Richard Guenther  <rguenther@suse.de>
8751
8752         PR middle-end/39497
8753         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8754         of -Wno-error.
8755
8756 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8757
8758         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8759         neither of haifa/selective schedulers are working.
8760
8761 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8762
8763         * doc/invoke.texi (Debugging Options): Fix description of
8764         -fno-merge-debug-strings.
8765
8766 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8767
8768         * config/cris/libgcc.ver: New version-script.
8769         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8770
8771         * configure.ac <GAS features, nop mnemonic>: Add pattern
8772         crisv32-*-* for "nop".
8773         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8774         * configure: Regenerate.
8775
8776 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8777
8778         PR tree-optimization/39529
8779         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8780         mark_sym_for_renaming for the tag copied to the new vector
8781         pointer.
8782
8783 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8784
8785         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8786         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8787         EXTRA_SPEC_FUNCTIONS.
8788         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8789         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8790         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8791         -march and -mtune options.
8792
8793 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8794
8795         * config/m68k/t-rtems: Add m5329 multilib.
8796
8797 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8798             Jakub Jelinek  <jakub@redhat.com>
8799
8800         PR debug/39524
8801         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8802         nodes.
8803
8804 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8805
8806         PR c/39495
8807         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8808         instead of c_parser_expression_conv, if original_code isn't one of the
8809         4 allowed comparison codes, fail.
8810
8811 2009-03-23  Richard Guenther  <rguenther@suse.de>
8812
8813         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8814         * tree.h (struct tree_type): Likewise.
8815         * reload.h (struct insn_chain): Likewise.
8816         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8817         * function.h (struct function): Likewise.
8818         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8819
8820 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8821
8822         PR tree-optimization/39516
8823         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8824
8825 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8826
8827         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8828         should be set true if BITS_PER_WORD of target is bigger than 32
8829
8830 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8831
8832         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8833         Translate -B-options to -rpath-link.  Correct existing
8834         rpath-link and conditionalize on !nostdlib.
8835
8836 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8837
8838         * doc/extend.texi (Function Attributes, Variable Attributes):
8839         Fix typos.
8840         * doc/invoke.texi (Debugging Options, Optimize Options)
8841         (i386 and x86-64 Options, MCore Options): Likewise.
8842
8843 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8844
8845         PR debug/37890
8846         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8847         it for block local namespace aliases.
8848         (gen_decl_die): Pass context_die to gen_namespace_die.
8849
8850 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8851
8852         PR c/39495
8853         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8854         minimum or maximum value.
8855
8856 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8857
8858         * reginfo.c (globalize_reg): Recompute derived reg sets.
8859
8860 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8861
8862         PR target/39063
8863         * libgcc2.c (mprotect): Do not use signed arguments for
8864         VirtualProtect, use DWORD arguments.  Also fix the 'may
8865         be used uninitialized' warning for the np variable.
8866
8867 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8868
8869         PR target/39496
8870         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8871         functions using regparm calling conventions when not optimizing.
8872         (ix86_function_sseregparm): Similarly for sseregparm calling
8873         conventions.
8874
8875 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8876
8877         PR middle-end/39500
8878         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8879         dependence if the first conflict is after niter iterations.
8880
8881 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8882
8883         PR middle-end/38609
8884         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8885         functions with dynamic stack-pointer adjustments.
8886
8887 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8888
8889         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8890         option; change to -msdata=data.
8891
8892 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8893
8894         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8895         and -fopenmp.
8896
8897 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8898
8899         PR target/35180
8900         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8901
8902 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8903
8904         * doc/invoke.texi (Code Gen Options): Expand discussion of
8905         -fno-common.
8906
8907 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8908
8909         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8910         * matrix-reorg.c (struct matrix_info): Likewise.
8911         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8912         * rtl.h (struct mem_attrs): Likewise.
8913         * df.h (struct df): Likewise.
8914         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8915         * ira-int.h (struct ira_allocno): Likewise.
8916         * df-scan.c (struct df_collection_rec): Likewise.
8917         * ira.c (struct equivalence): Likewise.
8918         * function.c (struct temp_slot): Likewise.
8919         * cfgloop.h (struct loop): Likewise.
8920
8921         PR debug/39485
8922         * function.c (use_register_for_decl): When not optimizing, disregard
8923         register keyword for variables with types containing methods.
8924
8925 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8926
8927         PR middle-end/39447
8928         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8929         (is_simple_operand): Call contains_component_ref_p before calling data
8930         reference analysis that would fail on COMPONENT_REFs.
8931
8932         * tree-vrp.c (search_for_addr_array): Fix formatting.
8933
8934 2009-03-18  Richard Guenther  <rguenther@suse.de>
8935
8936         * tree-vect-transform.c (vect_loop_versioning): Fold the
8937         generated comparisons.
8938         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8939         (slpeel_tree_peel_loop_to_edge): Likewise.
8940
8941 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8942
8943         PR middle-end/37805
8944         * opts.c (print_specific_help): In addition to `undocumented',
8945         accept `separate' and `joined' flags if passed alone.  Describe
8946         output by the first matched one of those.
8947         (common_handle_option): Skip over empty strings.
8948         * gcc.c (display_help): Fix help string for `--help='.
8949         * doc/invoke.texi (Option Summary, Overall Options): With
8950         `--help=', classes and qualifiers can both be repeated, but
8951         only the latter can be negated.  One should not pass only
8952         negated qualifiers.  Fix markup and examples.
8953
8954         Revert
8955         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8956         PR middle-end/37805
8957         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8958         and -fhelp=separate.
8959
8960 2009-03-17  Jing Yu  <jingyu@google.com>
8961
8962         PR middle-end/39378
8963         * function.h (struct rtl_data): Move is_thunk from here...
8964         (struct function): ...to here.
8965         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8966         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8967         cfun.
8968         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8969         cfun.
8970         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8971         (alpha_output_function_end_prologue): Likewise.
8972         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8973         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8974         (rs6000_output_function_epilogue): Likewise.
8975         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8976
8977 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8978
8979         PR target/39482
8980         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8981         from different units in a single alternative.
8982         (*truncdfsf_i387): Ditto.
8983         (*truncxfsf2_mixed): Ditto.
8984         (*truncxfdf2_mixed): Ditto.
8985
8986 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8987
8988         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8989         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8990
8991         PR debug/39474
8992         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8993         unused non-artificial variables when not optimizing.
8994
8995         PR debug/39471
8996         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8997         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8998         NAMESPACE_DECL in its DECL_INITIAL.
8999
9000         PR middle-end/39443
9001         * optabs.c (set_user_assembler_libfunc): New function.
9002         * expr.h (set_user_assembler_libfunc): New prototype.
9003         * c-common.c: Include libfuncs.h.
9004         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9005         for memcmp, memset, memcpy, memmove and abort.
9006         * Makefile.in (c-common.o): Depend on libfuncs.h.
9007
9008         PR debug/39412
9009         * dwarf2out.c (gen_inlined_enumeration_type_die,
9010         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9011         gen_tagged_type_instantiation_die): Removed.
9012         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9013         do nothing.
9014
9015 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9016
9017         PR testsuite/38526
9018         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9019         its use.
9020         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9021         (check-parallel-%): Ditto.
9022         (check-consistency): Ditto.
9023
9024 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9025
9026         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9027         local variable rhs by NULL_TREE.
9028
9029 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9030
9031         PR target/39477
9032         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9033
9034 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9035
9036         PR target/39476
9037         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9038
9039 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9040
9041         PR target/39473
9042         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9043         for ms->sysv ABI calls only in 64bit mode.
9044
9045         * config/i386/i386.md (untyped_call): Support 32bit.
9046
9047 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9048
9049         * doc/extend.texi: Replace x86_65 with x86_64.
9050
9051 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9052
9053         PR tree-optimization/39455
9054         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9055         mismatches for POINTER_TYPE_P (type).
9056         (number_of_iterations_le): Likewise.
9057
9058 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9059
9060         * config/picochip/picochip.c: Removed profiling support.
9061         * config/picochip/picochip.md: Removed profiling instruction.
9062         * config/picochip/picochip.h: Removed profiling builtin.
9063
9064 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9065
9066         * doc/install.texi (--with-host-libstdcxx): Document.
9067
9068 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9069
9070         PR target/34299
9071         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9072         generate a warning if the function name does not begin with
9073         "__vector" and the function has either the 'signal' or 'interrupt'
9074         attribute, from here to ...
9075         (avr_declare_function_name): ...here. New function.
9076         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9077         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9078
9079 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9080
9081         PR bootstrap/39454
9082         * cse.c (fold_rtx): Don't modify original const_arg1 when
9083         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9084         separate variable instead.
9085         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9086         from out of range shift counts.
9087         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9088
9089 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9090
9091         * config/i386/x-mingw32 (host-mingw32.o): Replace
9092         diagnostic.h with $(DIAGNOSTIC_H).
9093
9094 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9095
9096         PR target/39431
9097         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9098         predicate.
9099         * config/i386/sync.md (sync_compare_and_swap<mode>,
9100         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9101         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9102         into a register.
9103         (sync_double_compare_and_swapdi_pic,
9104         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9105         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9106
9107 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9108
9109         PR target/39445
9110         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9111
9112 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9113
9114         PR target/39327
9115         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9116         (avx_addsubv4df3): Likewise.
9117         (*avx_addsubv4sf3): Likewise.
9118         (sse3_addsubv4sf3): Likewise.
9119
9120 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9121
9122         PR target/38824
9123         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9124
9125 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9126
9127         PR debug/39432
9128         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9129         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9130         registers for allocnos created from user-defined variables.
9131
9132 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9133
9134         PR target/39181
9135         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9136         of non-integer mode as well.
9137
9138 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9139
9140         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9141         for functions for which the parameter types are unknown.
9142
9143 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9144
9145         PR target/39137
9146         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9147         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9148         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9149         * config/i386/i386.c (ix86_local_alignment): For
9150         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9151         long long variables on the stack to avoid dynamic realignment.
9152         Allow the first argument to be a decl rather than type.
9153         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9154
9155 2009-03-11  Nick Clifton  <nickc@redhat.com>
9156
9157         PR target/5362
9158         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9159         options.
9160         Add description to mno-lsim option.
9161         * config/mcore/mcore.h: Remove comment about deprecated m4align
9162         option.
9163         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9164         * doc/invoke.texi: Add description of mno-lsim and
9165         mstack-increment options.
9166
9167         * config/fr30/fr30.opt: Document the -mno-lsim option.
9168         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9169         and -mno-lsim options.
9170
9171 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9172
9173         * fold-const.c (fold_comparison): Only call fold_inf_compare
9174         if the mode supports infinities.
9175
9176 2009-03-11  Jason Merrill  <jason@redhat.com>
9177
9178         PR debug/39086
9179         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9180         end already did.  Notice GIMPLE_CALL modifications of the result.
9181         Don't copy debug information from an ignored decl or a decl from
9182         another function.
9183
9184 2009-03-10  Richard Guenther  <rguenther@suse.de>
9185             Nathan Froyd  <froydnj@codesourcery.com>
9186
9187         PR middle-end/37850
9188         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9189         (__divMODE3): Likewise.
9190
9191 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9192
9193         PR tree-optimization/39394
9194         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9195         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9196
9197 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9198
9199         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9200         inline asms for register asm ("") declarations.
9201
9202 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9203
9204         * fold-const.c (fold_unary): Fix comment.
9205
9206 2009-03-07  Jan Hubicka  <jh@suse.cz>
9207
9208         PR target/39361
9209         * tree-inline.c (setup_one_parameter): Do replacement of const
9210         argument by constant in SSA form.
9211
9212 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9213
9214         PR middle-end/38028
9215         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9216         determine alignment passed to assign_stack_local.
9217         (assign_parms_unsplit_complex): Likewise.
9218         * except.c (sjlj_build_landing_pads): Likewise.
9219
9220 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9221
9222         PR middle-end/39360
9223         * tree-flow.h (add_referenced_var): Return bool instead of void.
9224         * tree-dfa.c (add_referenced_var): Return result of
9225         referenced_var_check_and_insert call.
9226         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9227         of referenced_var_check_and_insert.
9228
9229         PR debug/39372
9230         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9231         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9232         DIE, don't emit it if abstract origin already has it.
9233         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9234         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9235
9236 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9237
9238         * genpreds.c (needs_variable): Fix parentheses at variable name
9239         detection.
9240         (write_tm_constrs_h): Indent generated code.
9241
9242 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9243
9244         * doc/extend.texi (Function Attributes): Add documentation
9245         for isr attributes.
9246
9247 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9248
9249         PR debug/39387
9250         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9251         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9252
9253 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9254
9255         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9256         the loop as bad.
9257
9258 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9259
9260         PR debug/39379
9261         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9262         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9263
9264 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9265
9266         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9267         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9268         constants instead of magic numbers.
9269         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9270         (QI_REG_P): Ditto.
9271         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9272         (x86_64_ms_abi_int_parameter_registers): Ditto.
9273         (x86_64_int_return_registers): Ditto.
9274         (ix86_maybe_switch_abi): Ditto.
9275         (ix86_expand_call): Ditto for clobbered_registers array.
9276         (ix86_hard_regno_mode_ok): Ditto.
9277         (x86_extended_QIreg_mentioned_p): Ditto.
9278
9279 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9280
9281         PR tree-optimization/39349
9282         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9283
9284         * combine.c (gen_lowpart_for_combine): Use omode when generating
9285         clobber.
9286
9287 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9288
9289         PR rtl-optimization/39235
9290         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9291
9292 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9293
9294         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9295
9296 2009-03-04  Richard Guenther  <rguenther@suse.de>
9297
9298         PR tree-optimization/39362
9299         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9300         that occur in abnormal PHIs should be varying.
9301
9302 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9303
9304         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9305         Extend comments.
9306         (simple_iv):  Take loop as an argument instead of statement.
9307         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9308         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9309         to simple_iv.
9310         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9311         Ditto.
9312         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9313         * matrix-reorg.c (analyze_transpose): Ditto.
9314         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9315         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9316         * tree-predcom.c (ref_at_iteration): Ditto.
9317         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9318
9319 2009-03-04  Richard Guenther  <rguenther@suse.de>
9320
9321         PR tree-optimization/39358
9322         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9323         escaped_id and callused_id.
9324         (solve_graph): Likewise.
9325
9326 2009-03-04  Richard Guenther  <rguenther@suse.de>
9327
9328         PR tree-optimization/39339
9329         * tree-sra.c (try_instantiate_multiple_fields): Make it
9330         no longer ICE on the above.
9331
9332 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9333
9334         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9335         that fits within Pmode.
9336
9337 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9338
9339         PR middle-end/10109
9340         * tm.texi (LIBCALL_VALUE): Update description.
9341
9342 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9343
9344         PR middle-end/34443
9345         * doc/extend.texi (section): Update description.
9346
9347 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9348
9349         PR middle-end/39345
9350         * tree-inline.c (remapped_type): New.
9351         (can_be_nonlocal): Call remapped_type instead of remap_type.
9352
9353 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9354
9355         PR fortran/39354
9356         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9357         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9358
9359 2009-03-03  Richard Guenther  <rguenther@suse.de>
9360
9361         PR middle-end/39272
9362         * tree.c (tree_nonartificial_location): New function.
9363         * tree.h (tree_nonartificial_location): Declare.
9364         * builtins.c (expand_builtin_memory_chk): Provide location
9365         of the call location for artificial function pieces.
9366         (maybe_emit_chk_warning): Likewise.
9367         (maybe_emit_sprintf_chk_warning): Likewise.
9368         (maybe_emit_free_warning): Likewise.
9369         * expr.c (expand_expr_real_1): Likewise.
9370
9371 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9372
9373         PR tree-optimization/39343
9374         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9375         COMPONENT_REF t has ARRAY_TYPE.
9376
9377 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9378
9379         PR middle-end/39335
9380         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9381         when the type precision of the induction variable should be
9382         larger than the type precision of nit.
9383         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9384         * graphite.c (graphite_loop_normal_form): Same.
9385         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9386
9387 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9388
9389         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9390         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9391         numbers to describe clobbered registers.
9392         (*call_value_0_rex64_ms_sysv): Ditto.
9393         * config/i386/mmx.md (mmx_emms): Ditto.
9394         (mmx_femms): Ditto.
9395
9396 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9397
9398         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9399         of ABI_64.
9400
9401 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9402
9403         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9404         (spu_section_type_flags): New function.
9405
9406 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9407
9408         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9409         reg_class_contents of FLOAT_REGS into a temporary.
9410
9411 2009-03-02  Richard Guenther  <rguenther@suse.de>
9412             Ira Rosen  <irar@il.ibm.com>
9413
9414         PR tree-optimization/39318
9415         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9416         information to the vectorized statement.
9417
9418 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9419
9420         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9421         variable.  Use defined names instead of magic constants for REX SSE
9422         registers.
9423
9424 2009-03-01  Richard Guenther  <rguenther@suse.de>
9425
9426         PR tree-optimization/39331
9427         * omp-low.c (lower_send_shared_vars): Do not receive new
9428         values for the reference of DECL_BY_REFERENCE parms or results.
9429
9430 2009-03-01  Jan Hubicka  <jh@suse.cz>
9431
9432         PR debug/39267
9433         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9434         BLOCK_NONLOCALIZED_VAR): New macros.
9435         (tree_block): Add nonlocalized_vars.
9436         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9437         gen_decl_die): Add origin argument.  Allow generation of die with
9438         origin at hand only.
9439         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9440         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9441         of gen_*.
9442         (gen_block_die): Fix checking for unused blocks.
9443         (process_scope_var): Break out from .... ; work with origins only.
9444         (decls_for_scope) ... here; process nonlocalized list.
9445         (dwarf2out_ignore_block): Look for nonlocalized vars.
9446         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9447         vars.
9448         (dump_scope_block): Dump them.
9449         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9450         (remap_block): Likewise.
9451         (can_be_nonlocal): New predicate.
9452         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9453
9454 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9455
9456         * configure: Regenerate.
9457
9458 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9459
9460         * optc-gen.awk: No need to duplicate option flags twice.
9461         Reuse help texts for duplicate options which do not have any.
9462
9463         * gcc.c (display_help): Document --version.
9464
9465         * gcc.c (main): If print_help_list and verbose_flag, ensure
9466         driver output comes before subprocess output.
9467
9468         * optc-gen.awk: Assign all remaining fields to help string,
9469         space-separated, for multi-line help in *.opt.
9470
9471         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9472         -Wno-pedantic-ms-format is for MinGW targets only.
9473
9474         * doc/options.texi (Option file format): Fix bad indentation,
9475         restoring dropped sentence.
9476
9477 2009-02-28  Jan Hubicka  <jh@suse.cz>
9478
9479         * tree-inline.c (tree_function_versioning): Output debug info.
9480
9481 2009-02-28  Jan Hubicka  <jh@suse.cz>
9482
9483         PR debug/39267
9484         * tree-inline.c (setup_one_parameter): Do not copy propagate
9485         arguments when not optimizing.
9486
9487 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9488
9489         PR target/39327
9490         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9491         (avx_addsubv4df3): Likewise.
9492         (*avx_addsubv4sf3): Likewise.
9493         (sse3_addsubv4sf3): Likewise.
9494         (*avx_addsubv2df3): Likewise.
9495         (sse3_addsubv2df3): Likewise.
9496         (avx_unpckhps256): Correct item selectors.
9497         (avx_unpcklps256): Likewise.
9498         (avx_unpckhpd256): Likewise.
9499         (avx_unpcklpd256): Likewise.
9500
9501 2009-02-28  Jan Hubicka  <jh@suse.cz>
9502
9503         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9504         static vars.
9505         (copy_arguments_for_versioning): If var is declared don't declare it.
9506         (tree_function_versioning): First setup substitutions and then copy
9507         args.
9508
9509 2009-02-27  Jan Hubicka  <jh@suse.cz>
9510
9511         PR debug/39267
9512         * cgraph.h (varpool_output_debug_info): Remove.
9513         * cgraphunit.c (varpool_output_debug_info): Remove.
9514         * dwarf2out.c (deferred_locations_struct): New struct
9515         (deferred_locations): New type.
9516         (deferred_locations_list): New static var.
9517         (deffer_location): New function.
9518         (gen_variable_die): Use it.
9519         (decls_for_scope): Output info on local static vars.
9520         (dwarf2out_finish): Process deferred locations.
9521         * varpool.c (varpool_output_debug_info): Remove.
9522
9523 2009-02-27  Jan Hubicka  <jh@suse.cz>
9524
9525         PR debug/39267
9526         * tree.h (TREE_PROTECTED): Fix comment.
9527         (BLOCK_HANDLER_BLOCK): Remove.
9528         (struct tree_block): Remove handler_block add body_block.
9529         (inlined_function_outer_scope_p): New.
9530         (is_body_block): Remove.
9531         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9532         * dwarf2out.c (is_inlined_entry_point): Remove.
9533         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9534         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9535         code.
9536         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9537         * gimplify.c (gimplify_expr): Gimplify body blocks.
9538         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9539         block with multiple subblocks.
9540         (dump_scope_block): Prettier output; dump more flags and info.
9541         (dump_scope_blocks): New.
9542         (remove_unused_locals): Use dump_scope_blocks.
9543         * tree-flow.h (dump_scope_blocks): Declare.
9544         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9545         * stmt.c (is_body_block): Remove.
9546         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9547         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9548
9549 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9550
9551         PR middle-end/39308
9552         * graphite.c (graphite_loop_normal_form): Do not call
9553         number_of_iterations_exit from a gcc_assert.
9554
9555 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9556
9557         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9558         jumps if COND is NULL.
9559         (find_cond_jump): New function.
9560         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9561         * config/s390/s390.md: Remove z10_cobra attribute value.
9562
9563 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9564
9565         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9566         force_const_mem returns NULL_RTX.
9567
9568 2009-02-26  Jan Hubicka  <jh@suse.cz>
9569
9570         PR debug/39267
9571         * cgraph.h (varpool_output_debug_info): Remove.
9572         * cgraphunit.c (varpool_output_debug_info): Remove.
9573         * dwarf2out.c (deferred_locations_struct): New struct
9574         (deferred_locations): New type.
9575         (deferred_locations_list): New static var.
9576         (deffer_location): New function.
9577         (gen_variable_die): Use it.
9578         (decls_for_scope): Output info on local static vars.
9579         (dwarf2out_finish): Process deferred locations.
9580         * varpool.c (varpool_output_debug_info): Remove.
9581
9582 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9583
9584         PR rtl-optimization/39241
9585         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9586         to subreg_offset_representable_p.
9587
9588 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9589
9590         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9591         execute function prototype.  Get f and nregs from max_reg_num
9592         and get_insns.  Remove the first backward pass as it's dead,
9593         guard the forward pass by flag_expensive_optimizations.
9594         (rest_of_handle_regmove): Delete.
9595         (pass_regmove): Replace it with regmove_optimize.
9596
9597 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9598
9599         PR tree-optimization/39259
9600         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9601         calls_alloca function flags.
9602         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9603         calls are detected.
9604
9605 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9606
9607         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9608         flags_set_1_rtx, flags_set_1_set): Delete.
9609         (regmove_optimize): Do not call mark_flags_life_zones.
9610
9611 2009-02-24  Julian Brown  <julian@codesourcery.com>
9612
9613         PR target/35965
9614         * config/arm/arm.c (require_pic_register): Only set
9615         cfun->machine->pic_reg once per function.
9616
9617 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9618
9619         * doc/invoke.texi (Link Options): Document an easier way to pass
9620         options that take arguments to the GNU linker using -Xlinker and -Wl.
9621
9622 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9623
9624         PR target/33785
9625         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9626
9627 2009-02-24  Richard Guenther  <rguenther@suse.de>
9628
9629         PR debug/39285
9630         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9631
9632 2009-02-24  Richard Guenther  <rguenther@suse.de>
9633             Zdenek Dvorak  <ook@ucw.cz>
9634
9635         PR tree-optimization/39233
9636         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9637         from converting them to a generic type.
9638
9639 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9640
9641         PR tree-optimization/39260
9642         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9643         contains a condition with a real type.
9644         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9645
9646 2009-02-23  Jason Merrill  <jason@redhat.com>
9647
9648         PR c++/38880
9649         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9650         narrowing_initializer_constant_valid_p.
9651         (narrowing_initializer_constant_valid_p): Don't return
9652         null_pointer_node for adding a pointer to itself.
9653
9654 2009-02-23  Jan Hubicka  <jh@suse.cz>
9655
9656         PR c/12245
9657         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9658         resizing.
9659
9660 2009-02-23  Jan Hubicka  <jh@suse.cz>
9661
9662         PR tree-optimization/37709
9663         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9664         * tree.h (block_ultimate_origin): Declare.
9665         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9666         * tree-ssa-live.c (remove_unused_scope_block_p):
9667         Eliminate blocks containig no instructions nor live variables nor
9668         nested blocks.
9669         (dump_scope_block): New function.
9670         (remove_unused_locals): Enable removal of dead blocks by default;
9671         enable dumping at TDF_DETAILS.
9672
9673 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9674
9675         * config/i386/i386.c (classify_argument): Don't allow COImode
9676         and OImode.
9677         (function_arg_advance_32): Don't allow OImode.
9678         (function_arg_32): Likewise.
9679         (function_value_32): Likewise.
9680         (return_in_memory_32): Likewise.
9681         (function_arg_64): Remove OImode comment.
9682
9683 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9684
9685         PR target/39261
9686         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9687         ix86_expand_vector_set for V4DImode in 64bit mode only.
9688         (ix86_expand_vector_init_one_var): Likewise.
9689
9690 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9691
9692         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9693
9694 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9695
9696         PR bootstrap/39257
9697         * loop-iv.c: Revert last change.
9698         * emit-rtl.c: Likewise.
9699
9700 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9701
9702         PR target/39256
9703         * config/i386/i386.c (type_natural_mode): Remove an extra
9704         space in the warning message.
9705         (function_value_32): Handle 32-byte vector modes.
9706         (return_in_memory_32): Likewise.
9707
9708 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9709
9710         * loop-iv.c (truncate_value): New function.
9711         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9712         of lowpart_subreg.
9713         (lowpart_subreg): Move to...
9714         * emit-rtl.c: ...here.
9715
9716 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9717
9718         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9719         accidental and undocumented change at revision 140860.
9720
9721 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9722
9723         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9724         take gimple_seq * arguments.
9725         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9726         types_compatible_p langhook.
9727
9728 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9729             Joseph Myers  <joseph@codesourcery.com>
9730
9731         * config/arm/arm.c (arm_builtin_va_list): New function.
9732         (arm_expand_builtin_va_start): Likewise.
9733         (arm_gimplify_va_arg_expr): Likewise.
9734         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9735         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9736         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9737         (va_list_type): New variable.
9738         (arm_mangle_type): Mangle va_list_type appropriately.
9739
9740 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9741
9742         PR middle-end/39157
9743         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9744         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9745         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9746         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9747         parameter to 1000 for -O1 by default.
9748         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9749         parameter.
9750         * loop-invariant.c: Include params.h.
9751         (move_loop_invariants): Don't call move_single_loop_invariants on
9752         very large loops.
9753
9754 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9755
9756         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9757         offset when calculating bounds for indexing stack_usage_map.  Fixes
9758         a buffer overflow with certain target setups.
9759
9760 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9761
9762         PR target/39240
9763         * calls.c (expand_call): Clear try_tail_call if caller and callee
9764         disagree in promotion of function return value.
9765
9766 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9767
9768         PR target/39175
9769         * c-common.c (c_determine_visibility): If visibility changed and
9770         DECL_RTL has been already set, call make_decl_rtl to update symbol
9771         flags.
9772
9773 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9774
9775         PR c++/39188
9776         * varasm.c (assemble_variable): Don't check DECL_NAME when
9777         globalizing a variable.
9778
9779 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9780
9781         PR c/38483
9782         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9783         expression before any __builtin_trap call.
9784         * c-typeck.c (build_function_call): Convert and check function
9785         arguments before generating a call to a trap.  Evaluate the
9786         function arguments before the trap.
9787
9788 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9789
9790         PR target/39228
9791         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9792         (UNSPEC_FXAM_MEM): New unspec.
9793         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9794         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9795         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9796
9797 2009-02-19  Richard Guenther  <rguenther@suse.de>
9798
9799         PR tree-optimization/39207
9800         PR tree-optimization/39074
9801         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9802         storedanything_tree): New.
9803         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9804         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9805         (build_succ_graph): Add edges from STOREDANYTHING to all
9806         non-direct nodes.
9807         (init_base_vars): Initialize STOREDANYTHING.
9808         (compute_points_to_sets): Free substitution info after
9809         building the succ graph.
9810         (ipa_pta_execute): Likewise.
9811
9812         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9813         field.
9814         (do_ds_constraint): Do not add to special var or non-pointer
9815         field solutions.
9816         (type_could_have_pointers): Split out from ...
9817         (could_have_pointers): ... here.  For arrays use the element type.
9818         (create_variable_info_for): Initialize may_have_pointers.
9819         (new_var_info): Likewise.
9820         (handle_lhs_call): Make the HEAP variable unknown-sized.
9821         (intra_create_variable_infos): Use a type with pointers for
9822         PARM_NOALIAS, make it unknown-sized.
9823
9824 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9825
9826         PR target/39224
9827         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9828
9829 2009-02-18  Jason Merrill  <jason@redhat.com>
9830
9831         PR target/39179
9832         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9833         value if DECL_EXTERNAL.
9834         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9835         * target.h (gcc_target::binds_local_p): Clarify "module".
9836         * tree.h (TREE_PUBLIC): Clarify "module".
9837
9838 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9839
9840         PR target/38891
9841         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9842         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9843
9844 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9845
9846         PR target/39082
9847         * c.opt (Wabi): Support C and ObjC.
9848         (Wpsabi): New.
9849
9850         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9851
9852         * config/i386/i386.c (classify_argument): Warn once about the ABI
9853         change when passing union with long double.
9854
9855         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9856
9857 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9858
9859         PR c/35447
9860         * c-parser.c (c_parser_compound_statement): Always enter and leave
9861         a scope.
9862
9863 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9864
9865         PR target/34587
9866         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9867
9868 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9869
9870         PR tree-optimization/36922
9871         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9872         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9873         Likewise.
9874
9875 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9876
9877         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9878         to 0 for EABI64.
9879
9880 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9881
9882         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9883
9884 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9885
9886         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9887         tree sharing.
9888
9889 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9890             Richard Sandiford  <rdsandiford@googlemail.com>
9891
9892         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9893         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9894         (loongson_biadd): ...this.
9895
9896 2009-02-17  Richard Guenther  <rguenther@suse.de>
9897
9898         PR tree-optimization/39202
9899         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9900         a var make sure to follow existing collapses.
9901
9902 2009-02-17  Richard Guenther  <rguenther@suse.de>
9903
9904         PR middle-end/39214
9905         * langhooks.c (lhd_print_error_function): Check for NULL block.
9906
9907 2009-02-17  Richard Guenther  <rguenther@suse.de>
9908
9909         PR tree-optimization/39204
9910         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9911         of the PHI arg.
9912
9913 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9914
9915         * config/soft-fp/double.h: Update from glibc CVS.
9916
9917 2009-02-17  Richard Guenther  <rguenther@suse.de>
9918
9919         PR tree-optimization/39207
9920         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9921         strict-aliasing warnings for pointers pointing to NULL.
9922
9923 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9924
9925         PR c/35446
9926         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9927         skipping until next close brace.
9928
9929 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9930
9931         PR target/37049
9932         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9933         to function argument boundary.
9934
9935 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9936
9937         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9938         in the lea_add. Reload eventually constraints it properly.
9939         * config/picochip/constraints.md: Remove the target constraint
9940         "b", since it is not needed anymore.
9941
9942 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9943
9944         * gthr-dce.h: Uglify function parameter and local variable names.
9945         * gthr-gnat.h: Likewise.
9946         * gthr-mipssde.h: Likewise.
9947         * gthr-nks.h: Likewise.
9948         * gthr-posix95.h: Likewise.
9949         * gthr-posix.h: Likewise.
9950         * gthr-rtems.h: Likewise.
9951         * gthr-single.h: Likewise.
9952         * gthr-solaris.h: Likewise.
9953         * gthr-tpf.h: Likewise.
9954         * gthr-vxworks.h: Likewise.
9955         * gthr-win32.h: Likewise.
9956
9957 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9958
9959         PR target/39196
9960         * config/i386/i386.md: Restrict the new peephole2 to move
9961         between MMX/SSE registers.
9962
9963 2009-02-15  Richard Guenther  <rguenther@suse.de>
9964
9965         Revert
9966         2009-02-13  Richard Guenther  <rguenther@suse.de>
9967
9968         * configure.ac: Enable LFS.
9969         * configure: Re-generate.
9970         * config.in: Likewise.
9971
9972 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9973
9974         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9975         spu_srqwbyte, spu_srqwbytebc): Define.
9976         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9977         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9978         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9979         "shrqby_<mode>"): New insn-and-split patterns.
9980         * config/spu/spu.c (expand_builtin_args): Determine and return
9981         number of operands using spu_builtin_description data.
9982         (spu_expand_builtin_1): Use it.
9983
9984 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9985
9986         PR target/38056
9987         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9988         TARGET_CONST_GP.
9989
9990 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9991
9992         PR target/39149
9993         * config/i386/i386.c (override_options): Correct warning
9994         messages for -malign-loops, -malign-jumps and -malign-functions.
9995
9996 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9997
9998         PR target/39152
9999         * config/i386/i386.md: Restrict the new peephole2 to move
10000         between the general purpose registers.
10001
10002 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10003
10004         PR target/39162
10005         * config/i386/i386.c (type_natural_mode): Add a new argument.
10006         Return the original mode and warn ABI change if vector size is 32byte.
10007         (function_arg_advance): Updated.
10008         (function_arg): Likewise.
10009         (ix86_function_value): Likewise.
10010         (ix86_return_in_memory): Likewise.
10011         (ix86_sol10_return_in_memory): Likewise.
10012         (ix86_gimplify_va_arg): Likewise.
10013         (function_arg_32): Don't warn ABX ABI change here.
10014         (function_arg_64): Likewise.
10015
10016 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10017
10018         * loop-iv.c (implies_p): In the final case, test that operands 0
10019         of the two comparisons match.
10020
10021         * config/bfin/bfin.c (find_prev_insn_start): New function.
10022         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10023         (find_next_insn_start): Move.
10024
10025 2009-02-13  Richard Guenther  <rguenther@suse.de>
10026
10027         * configure.ac: Enable LFS.
10028         * configure: Re-generate.
10029         * config.in: Likewise.
10030
10031 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10032
10033         PR c/35444
10034         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10035         sizes on syntax error after some arguments have been parsed.
10036
10037 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10038
10039         * doc/invoke.texi (-fira): Remove.
10040
10041 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10042
10043         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10044         * recog.c: Likewise.
10045         * rtl.h: Likewise.
10046
10047 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10048
10049         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10050         (umul_ppmm): Likewise.
10051         (count_leading_zeros): Likewise.
10052         (count_trailing_zeros): Likewise.
10053         (UMUL_TIME): Likewise.
10054
10055 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10056
10057         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10058         soft-fp/t-softfp to tmake_file.
10059
10060         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10061         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10062         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10063         IA64_BUILTIN_INFQ]: New.
10064         (ia64_init_builtins): Initialize __builtin_infq,
10065         __builtin_fabsq and __builtin_copysignq if not HPUX.
10066         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10067         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10068
10069         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10070         SHARED is defined.
10071         (__fixtfti): Likewise.
10072         (__fixunstfti): Likewise.
10073         (__floattitf): Likewise.
10074
10075         * config/ia64/libgcc-glibc.ver: New.
10076         * config/ia64/t-fprules-softfp: Likewise.
10077         * config/ia64/sfp-machine.h: Likewise.
10078
10079         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10080         (LIBGCC2_TF_CEXT): Likewise.
10081         (TF_SIZE): Likewise.
10082         (TARGET_INIT_LIBFUNCS): Likewise.
10083
10084         * config/ia64/t-glibc (SHLINB_MAPFILES):
10085         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10086
10087 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10088
10089         * config/i386/i386.c (construct_container): Rewrite processing
10090         BLKmode with X86_64_SSE_CLASS.
10091
10092 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10093
10094         PR target/39152
10095         * config/i386/i386.md: Replace simplify_replace_rtx with
10096         replace_rtx in the new peephole2.
10097
10098 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10099
10100         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10101         loop unrolling do not happen at -O2.
10102
10103 2009-02-12  Michael Matz  <matz@suse.de>
10104
10105         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10106
10107 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10108
10109         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10110         for -g3.
10111
10112 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10113
10114         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10115         patterns when updating the back chain.  Missed in the 2009-02-10
10116         change.
10117
10118 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10119
10120         * doc/extend.texi (Decimal Floating Types): Update identifier of
10121         draft TR and list of missing support.
10122
10123 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR middle-end/39154
10126         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10127         bit to variable length decl's flags, add it also to its
10128         pointer replacement variable.
10129
10130 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10131             Jakub Jelinek  <jakub@redhat.com>
10132
10133         PR target/39118
10134         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10135         (memory_blockage): New expander.
10136         (*memory_blockage): New insn pattern.
10137         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10138         instead of general blockage at the end of function prologue when
10139         frame pointer is used to access red zone area.  Do not emit blockage
10140         when profiling, it is emitted in generic code.
10141         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10142         function epilogue when frame pointer is used to access red zone area.
10143
10144 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10145
10146         PR target/38824
10147         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10148         by arithmetic with memory operands.
10149         * config/i386/predicates.md (commutative_operator): New.
10150
10151 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10152
10153         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10154         bulleted lists.
10155
10156 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10157
10158         * alias.h (record_alias_subset): Declare.
10159         * alias.c (record_alias_subset): Make global.
10160
10161 2009-02-10  Nick Clifton  <nickc@redhat.com>
10162
10163         * tree-parloops.c: Change license to GPLv3.
10164         * ipa-struct-reorg.c: Change license to GPLv3.
10165         * ipa-struct-reorg.h: Change license to GPLv3.
10166
10167 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10168
10169         PR c/39084
10170         * c-decl.c (start_struct): Return NULL on error.
10171
10172 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10173
10174         PR middle-end/39124
10175         * cfgloopmanip.c (remove_path): Call remove_bbs after
10176         cancel_loop_tree, not before it.
10177
10178         PR target/39139
10179         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10180         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10181         VAR_DECLs were seen.
10182         * tree-ssa-live.c (remove_unused_locals): Recompute
10183         cfun->has_local_explicit_reg_vars.
10184         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10185         copies or clearings if cfun->has_local_explicit_reg_vars.
10186
10187 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10188
10189         PR target/39118
10190         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10191         of function prologue when frame pointer is used to access
10192         red zone area.
10193
10194 2009-02-10  Richard Guenther  <rguenther@suse.de>
10195
10196         PR middle-end/39127
10197         * gimplify.c (gimple_regimplify_operands): Always look if
10198         we need to create a temporary.
10199
10200 2009-02-10  Richard Guenther  <rguenther@suse.de>
10201
10202         PR tree-optimization/39132
10203         * tree-loop-distribution.c (todo): New global var.
10204         (generate_memset_zero): Trigger TODO_rebuild_alias.
10205         (tree_loop_distribution): Return todo.
10206
10207 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10208
10209         PR target/39119
10210         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10211         (x86_64_reg_class_name): Removed.
10212         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10213         first one isn't X86_64_SSE_CLASS or any other ones aren't
10214         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10215         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10216         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10217         and 3 X86_64_SSEUP_CLASS.
10218         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10219         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10220
10221 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10222
10223         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10224         form instruction to update the stack back chain word, even if the
10225         user has disabled the generation of update instructions.
10226         (movdi_<mode>_update_stack): New.
10227         (movsi_update_stack): Likewise.
10228         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10229         always use an update form instruction to update the stack back
10230         chain word.
10231
10232 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10233
10234         PR middle-end/38953
10235         * graphite.c (if_region_set_false_region): After moving a region in
10236         the false branch of a condition, remove the empty dummy basic block.
10237         (gloog): Remove wrong fix for PR38953.
10238
10239 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10240
10241         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10242         generation due to implicit sign extension.
10243
10244 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10245
10246         PR middle-end/38981
10247         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10248         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10249
10250 2009-02-09  Richard Guenther  <rguenther@suse.de>
10251
10252         PR middle-end/35202
10253         * convert.c (convert_to_real): Disable (float)fn((double)x)
10254         to fnf(x) conversion if errno differences may occur and
10255         -fmath-errno is set.
10256
10257 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10258
10259         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10260         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10261         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10262
10263 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10264
10265         PR c/35434
10266         * c-common.c (handle_alias_attribute): Disallow attribute for
10267         anything not a FUNCTION_DECL or VAR_DECL.
10268
10269 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10270
10271         PR c/39035
10272         * real.c (do_compare): Special-case compare of zero against
10273         decimal float value.
10274
10275 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10276
10277         PR c/36432
10278         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10279         as indicating flexible array members unless the field itself is
10280         being declarared as the incomplete array.
10281
10282 2009-02-06  Jan Hubicka  <jh@suse.cz>
10283
10284         PR tree-optimization/38844
10285         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10286         is already inlined.
10287
10288 2009-02-06  Richard Guenther  <rguenther@suse.de>
10289
10290         PR middle-end/38977
10291         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10292         fork because we may expand it as __gcov_fork.
10293
10294 2009-02-06  Nick Clifton  <nickc@redhat.com>
10295
10296         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10297
10298 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10299
10300         PR tree-optimization/35659
10301         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10302         vn_phi_eq): Shortcut if hashcode does not match.
10303         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10304         NULL operands.
10305         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10306         and avoid iterative_hash_expr.
10307         (FOR_EACH_VALUE_ID_IN_SET): New.
10308         (value_id_compare): Remove.
10309         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10310         sort expressions by value id.
10311
10312 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10313
10314         PR target/38991
10315         * config/sh/predicates.md (general_movsrc_operand): Don't check
10316         the subreg of system registers here.
10317
10318 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10319
10320         PR c++/39106
10321         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10322         on the copied decl.
10323
10324 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10325
10326         PR rtl-optimization/39110
10327         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10328         addresses, not aligned ones.
10329
10330 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10331             Richard Guenther  <rguenther@suse.de>
10332
10333         PR tree-optimization/39100
10334         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10335         comment says and add edges.
10336
10337 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10338
10339         PR c/35435
10340         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10341         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10342
10343 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10344
10345         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10346         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10347         register_bb_in_sese, new_sese, free_sese): Moved.
10348         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10349         outermost_loop_in_scop, build_scop_iteration_domain,
10350         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10351         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10352         Use loop_in_sese_p instead of loop_in_scop_p.
10353         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10354         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10355         (scopdet_basic_block_info): Fix bug in scop detection.
10356         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10357         eq_loop_to_cloog_loop): Remove.
10358         (nb_loops_around_loop_in_scop, nb_loop
10359         ref_nb_loops): Moved here...
10360         * graphite.h (ref_nb_loops): ... from here.
10361         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10362         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10363         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10364         * testsuite/gcc.dg/graphite/scop-19.c: New
10365
10366 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10367             Hans-Peter Nilsson  <hp@axis.com>
10368
10369         PR rtl-optimization/37889
10370         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10371         Move offset handling from PLUS to before the switch.  Use new
10372         arguments when considering SYMBOL_REFs too.
10373         (rtx_addr_can_trap_p): Pass dummy offset and size.
10374         (enum may_trap_p_flags): Remove.
10375         (may_trap_p_1): Pass size from MEM_SIZE.
10376
10377         PR rtl-optimization/38921
10378         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10379         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10380         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10381         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10382
10383 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10384
10385         AVX Programming Reference (January, 2009)
10386         * config/i386/sse.md (*vpclmulqdq): New.
10387
10388 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10389
10390         PR tree-optimization/38977
10391         PR gcov-profile/38292
10392         * calls.c (special_function_p): Disregard __builtin_ prefix.
10393
10394 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10395
10396         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10397         non-indexable addresses even before reload.
10398
10399 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10400
10401         PR c/29129
10402         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10403         as having variable size.  Do not give an error for unnamed
10404         parameters with [*] declarators.  Give a warning for type names
10405         with [*] declarators and mark them as variable size.
10406         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10407         for sizeof applied to [*] type names.
10408
10409 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10410
10411         PR C++/36607
10412         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10413
10414 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10415
10416         * gcc.c (process_command): Update copyright notice dates.
10417         * gcov.c (print_version): Likewise.
10418         * gcov-dump.c (print_version): Likewise.
10419         * mips-tfile.c (main): Likewise.
10420         * mips-tdump.c (main): Likewise.
10421
10422 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10423
10424         PR c/35433
10425         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10426         for composite type involving a zero-length array type.
10427
10428 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10429
10430         PR target/35318
10431         * function.c (match_asm_constraints_1): Skip over
10432         initial optional % in the constraint.
10433
10434         PR inline-asm/39059
10435         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10436         supported, don't accept FIXED_CSTs.
10437         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10438         and _Sat is used without _Fract/_Accum.  Set specs->type to
10439         integer_type_node for cts_fract/cts_accum if fixed point is not
10440         supported.
10441
10442 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10443
10444         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10445
10446 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10447
10448         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10449         (ABI_HAS_64BIT_SYMBOLS): Use it.
10450         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10451
10452 2009-02-02  Paul Brook  <paul@codesourcery.com>
10453
10454         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10455
10456 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10457
10458         PR inline-asm/39058
10459         * recog.h (asm_operand_ok): Add constraints argument.
10460         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10461         recurse on matching constraint.
10462         (check_asm_operands): Pass constraints as 3rd argument to
10463         asm_operand_ok.  Don't look up matching constraint here.
10464         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10465         to asm_operand_ok.
10466
10467 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10468
10469         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10470         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10471
10472 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10473
10474         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10475         information.  Remove some obsolete information.  Reorganize.
10476
10477         * config/pa/fptr.c: Revert license to GPL 2.
10478         * config/pa/milli64.S: Likewise.
10479
10480 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10481
10482         PR target/38904
10483         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10484         LIBRARY name in, instead of hard-coding it.
10485         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10486         extra target make frag to tmake_files according to EH model.
10487         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10488         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10489         frags that define makefile variable EH_MODEL appropriately.
10490         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10491         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10492         to "-sjlj" according to type of EH configured.
10493         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10494         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10495         to "_sjlj" according to type of EH configured.
10496         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10497         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10498         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10499         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10500         string value of "pe_dll" command-line option.
10501         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10502         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10503         (SHLIB_IMPLIB):  Override t-cygming default.
10504         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10505         string value of "pe_dll" command-line option.
10506
10507 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10508
10509         PR target/38952
10510         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10511         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10512
10513 2009-01-31  Richard Guenther  <rguenther@suse.de>
10514
10515         PR tree-optimization/38937
10516         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10517         computing the transitive closure.
10518
10519 2009-01-30  Richard Guenther  <rguenther@suse.de>
10520
10521         PR tree-optimization/39041
10522         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10523         Propagate variable indices only if the types match for this stmt.
10524
10525 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10526
10527         PR target/39013
10528         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10529         inline but never defined.
10530
10531 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10532
10533         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10534         (*insv_h_di_reg_extimm): New insn.
10535         (*insv_l<mode>_reg_extimm): New insn.
10536
10537 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10538
10539         * config/picochip/picochip.c (flag_conserve_stack): set
10540         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10541         fconserve-stack. Reduce call-overhead used by inliner.
10542
10543 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10544
10545         PR/38157
10546         * common.opt (flag_conserve_stack): Initialised to zero.
10547
10548 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10549
10550         PR/39002
10551         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10552         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10553         method.
10554
10555 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10556
10557         * ira-color.c (allocno_reload_assign): Update comments.
10558         * regmove.c (regmove_optimize): Likewise.
10559
10560         * ra.h: Removed.
10561
10562 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10563
10564         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10565         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10566         `MD_UNWIND_SUPPORT'.
10567         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10568
10569 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10570
10571         PR tree-optimization/39007
10572         * tree-loop-distribution.c (generate_builtin): Use
10573         recompute_dominator to compute the immediate dominator of the
10574         basic block just after the loop.
10575
10576 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10577
10578         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10579         (ASM_OUTPUT_DWARF_PCREL): Define.
10580
10581 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10582
10583         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10584         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10585         global.  Modify entries about regmove and IRA.
10586
10587         * ra-conflict.c: Remove the file.
10588
10589         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10590
10591         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10592         (pass_regclass_init): Rename to pass_reginfo_init.
10593
10594         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10595
10596         * toplev.h (flag_ira): Remove.
10597
10598         * caller-save.c (setup_save_areas): Remove flag_ira.
10599
10600         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10601
10602         * global.c: Remove the file.
10603
10604         * opts.c (decode_options): Remove flag_ira.
10605
10606         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10607
10608         * regmove.c: Modify file description.
10609         (find_use_as_address, try_auto_increment): Define them only if
10610         AUTO_INC_DEC is defined.
10611         (replacement_quality, replace_in_call_usage, fixup_match_1,
10612         stable_and_no_regs_but_for_p): Remove.
10613         (reg_set_in_bb): Make it static.
10614         (regmove_optimize): Remove flag_ira and code which worked for
10615         !flag_ira.
10616
10617         * local-alloc.c: Remove the file.
10618
10619         * common.opt (fira): Remove.
10620
10621         * ira.c: Include except.h.
10622         (eliminable_regset): Move from global.c.
10623         (mark_elimination): Ditto.  Remove flag_ira.
10624         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10625         equiv_mem_modified, validate_equiv_mem_from_store,
10626         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10627         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10628         no_equiv, recorded_label_ref): Move from local-alloc.c.
10629         (update_equiv_regs): Ditto.  Make it static.
10630         (print_insn_chain, print_insn_chains): Move it from global.c.
10631         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10632         (build_insn_chain): Ditto.  Make it static.
10633         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10634         Rename to init_live_subregs.
10635         (gate_ira): Remove flag_ira.
10636
10637         * regclass.c: Rename reginfo.c.  Change file description.
10638         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10639         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10640         (init_reg_sets_1): Remove code for evaluation of
10641         reg_class_superclasses and losing_caller_save_reg_set.
10642         (init_regs): Remove init_reg_autoinc.
10643         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10644         ok_for_base_p_nonstrict): Remove.
10645         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10646         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10647         corresponding entries.
10648         (dump_regclass, record_operand_costs, scan_one_insn,
10649         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10650         record_address_regs, auto_inc_dec_reg_p): Remove.
10651         (gt-regclass.h): Rename to gt-reginfo.h.
10652
10653         * rtl.h (dump_global_regs, retry_global_alloc,
10654         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10655
10656         * Makefile.in (RA_H): Remove.
10657         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10658         Rename regclass.o to reginfo.o.
10659         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10660         gt-reginfo.h.
10661         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10662         (GTFILES): Rename regclass.c to reginfo.c.
10663
10664         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10665         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10666
10667         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10668         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10669         Remove flag_ira.
10670         (finish_spills): Ditto.  Remove code for !flag_ira.
10671
10672 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10673
10674         PR middle-end/35854
10675         * doc/invoke.texi (rtl debug options): Complete rewrite.
10676         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10677         to auto_inc_dec".
10678         * mode-switching.c (pass_mode_switching): Rename pass from
10679         "mode-sw" to "mode_sw".
10680         * except.c (pass_convert_to_eh_ranges): Rename pass from
10681         "eh-ranges" to "eh_ranges".
10682         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10683         to "subreg1".
10684
10685
10686 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10687             Alexander Monakov  <amonakov@ispras.ru>
10688
10689         PR middle-end/38857
10690         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10691         register.
10692         (move_exprs_to_boundary): Change return type and pass through
10693         should_move from move_op.  Relax assert.  Update usage ...
10694         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10695         cant_move.
10696         (move_op_orig_expr_found): Indicate that insn was disconnected from
10697         stream.
10698         (code_motion_process_successors): Do not call after_merge_succs
10699         callback if original expression was not found when traversing any of
10700         the branches.
10701         (code_motion_path_driver): Change return type.  Update prototype.
10702         (move_op): Update comment.  Add a new parameter (should_move).  Update
10703         prototype.  Set *should_move based on indication provided by
10704         move_op_orig_expr_found.
10705
10706 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10707
10708         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10709         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10710         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10711         * config/rs6000/rs6000.c (rs6000_override_options): Default
10712         avoid-indexed-addresses on for Power6, off for everything else.
10713         (avoiding_indexed_address_p): New function.
10714         (rs6000_legitimize_address): Use it.
10715         (rs6000_legitimate_address): Likewise.
10716         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10717
10718 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10719
10720         PR tree-optimization/38997
10721         * tree-loop-distribution.c (generate_memset_zero): Use
10722         POINTER_PLUS_EXPR for a pointer addition.
10723
10724 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10725
10726         * config/s390/s390.md (bswap<mode>2): New pattern added.
10727
10728 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10729
10730         * config/s390/s390.md (*tls_load_31): Added type attribute.
10731
10732 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10733
10734         * config/s390/s390.md: Fix a few comments.
10735
10736 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10737
10738         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10739         (*tm<mode>_full): Fixed z10prop attribute.
10740         (*tst<mode>_extimm): Fixed z10prop attribute.
10741         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10742         (*tstqiCCT_cconly): Fixed z10prop attribute.
10743         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10744         (*movsi_larl): Fixed z10prop attribute.
10745         (*movsi_zarch): Fixed z10prop attribute.
10746         (*movsi_eas): Fixed z10prop attribute.
10747         (*movhi): Fixed z10prop attribute.
10748         (*movqi): Fixed z10prop attribute.
10749         (*movstrictqi): Fixed z10prop attribute.
10750         (*mov<mode>): Fixed z10prop attribute.
10751         (*movcc): Fixed z10prop attribute.
10752         (*sethighpartdi_64): Fixed z10prop attribute.
10753         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10754         (*negdi2_sign_cc): Fixed z10prop attribute.
10755         (*negdi2_sign): Fixed z10prop attribute.
10756         (*absdi2_sign_cc): Fixed z10prop attribute.
10757         (*absdi2_sign): Fixed z10prop attribute.
10758         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10759         (*negabsdi2_sign): Fixed z10prop attribute.
10760         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10761         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10762         (doloop_si64): Fixed z10prop attribute.
10763         (doloop_si31): Fixed z10prop attribute.
10764         (doloop_long): Fixed z10prop attribute.
10765         (indirect_jump): Fixed z10prop attribute.
10766         (nop): Fixed z10prop attribute.
10767         (main_base_64): Fixed z10prop attribute.
10768         (reload_base_64): Fixed z10prop attribute.
10769
10770 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10771
10772         PR rtl-optimization/38740
10773         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10774         if !optimize.
10775         * config/mips/mips.c (mips_reorg): Likewise.
10776
10777 2009-01-28  Richard Guenther  <rguenther@suse.de>
10778
10779         PR tree-optimization/38926
10780         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10781         with the correct value id to a value.
10782         (do_regular_insertion): Use the value number of edoubleprime
10783         for the value number of the expr.
10784
10785         Revert
10786         2008-08-21  Richard Guenther  <rguenther@suse.de>
10787
10788         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10789         a PHI ask VN if it is already available.
10790         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10791         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10792
10793 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10794
10795         PR middle-end/38934
10796         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10797         set to varying whenever max has TREE_OVERFLOW set, similarly
10798         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10799
10800 2009-01-28  Richard Guenther  <rguenther@suse.de>
10801
10802         PR middle-end/38908
10803         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10804         uninitialized aggregate uses in call arguments.
10805
10806 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10807
10808         PR tree-optimization/38984
10809         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10810         the nothing_id variable if -fno-delete-null-pointer-checks.
10811
10812 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10813
10814         PR target/38988
10815         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10816         (set_got_offset_rex64): Ditto.
10817
10818 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10819
10820         PR target/38941
10821         * doc/extend.texi: Improve local variable with asm reg.
10822
10823 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10824
10825         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10826         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10827         was not supplied then set warn_packed_bitfield_compat to the
10828         default value of 1.
10829         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10830         against 1.
10831
10832 2009-01-27  Richard Guenther  <rguenther@suse.de>
10833
10834         PR tree-optimization/38503
10835         * cfgexpand.c (expand_gimple_basic_block): Ignore
10836         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10837         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10838         variables that cannot have TBAA applied.
10839         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10840         statements.
10841
10842 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10843
10844         PR middle-end/38969
10845         * calls.c (initialize_argument_information): Do not wrap complex
10846         arguments in SAVE_EXPR.
10847
10848 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10849
10850         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10851         (INSTALL_LIBGCC): Revert typo commit.
10852
10853 2009-01-26  Richard Guenther  <rguenther@suse.de>
10854
10855         PR tree-optimization/38745
10856         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10857         from special handling.
10858
10859 2009-01-26  Richard Guenther  <rguenther@suse.de>
10860
10861         PR tree-optimization/38745
10862         * tree-ssa.c (execute_update_addresses_taken): Do not include
10863         variables that cannot possibly be a register in not_reg_needs.
10864         Do not clear TREE_ADDRESSABLE on vars that may not become
10865         registers.
10866         * tree-ssa.c (update_alias_info_1): Include those in the set
10867         of addressable vars.
10868
10869 2009-01-26  Richard Guenther  <rguenther@suse.de>
10870
10871         PR middle-end/38851
10872         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10873         * tree-ssa-dse.c: Include langhooks.h
10874         (execute_simple_dse): Remove stores with zero size.
10875
10876 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10877
10878         PR c/38957
10879         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10880         as PLUS_EXPR.
10881
10882 2009-01-24  Julian Brown  <julian@codesourcery.com>
10883
10884         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10885         config/arm/linux-atomic.c.
10886         * config/arm/linux-atomic.c: New.
10887
10888 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10889
10890         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10891         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10892         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10893
10894 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10895
10896         PR c/38938
10897         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10898         properly.
10899
10900 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10901
10902         PR tree-optimization/38953
10903         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10904         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10905         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10906         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10907         changed the CFG.
10908
10909 2009-01-24  Paul Brook  <paul@codesourcery.com>
10910
10911         * config/arm/neon.md (neon_type): Move to arm.md.
10912         (neon_mov<VSTRUCT>): Add neon_type attribute.
10913         * config/arm/arm.md (neon_type): Move to here.
10914         (conds): Add "unconditioal" and use as default for NEON insns.
10915
10916 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10917
10918         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10919         void *' warning from -Wc++-compat.
10920         * Makefile.in (dominance.o-warn): Remove.
10921
10922 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10923
10924         PR tree-optimization/38932
10925         * fold-const.c (fold_unary_ignore_overflow): New.
10926         * tree.h (fold_unary_ignore_overflow): Declare.
10927         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10928         * tree-ssa-sccvn.c (visit_reference_op_load,
10929         simplify_unary_expression): Likewise.
10930
10931 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10932
10933         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10934         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10935         regardless of their type.
10936         * c-common.c (handle_packed_attribute): Don't ignore packed on
10937         bitfields.
10938         * c.opt (Wpacked-bitfield-compat): New warning option.
10939         * stor-layout.c (place_field): Warn if offset of a field changed.
10940         * doc/extend.texi (packed): Mention the ABI change.
10941         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10942         (Warning Options): Add it to the list.
10943
10944 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10945
10946         * c-opts.c (c_common_post_options): Fix a typo in comments.
10947
10948 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10949
10950         PR middle-end/38615
10951         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10952         variables to static.
10953         * doc/invoke.texi (-fmerge-all-constants): Update description.
10954
10955 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10956
10957         PR target/38931
10958         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10959         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10960
10961 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10962
10963         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10964         a word boundary.
10965         (LOCAL_ALIGNMENT): Similarly.
10966
10967 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10968             Joseph Myers  <joseph@codesourcery.com>
10969
10970         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10971         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10972         * config/arm/arm-tune.md: Regenerate.
10973         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10974         -march=iwmmxt2.
10975
10976 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10977
10978         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10979         version number to five.
10980
10981 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10982
10983         PR c++/38930
10984         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10985         * c-common.c (set_underlying_type): Likewise.
10986         (is_typedef_decl ): Likewise
10987         * tree.h: Likewise
10988         (set_underlying_type): Likewise.
10989         (is_typedef_type): Likewise.
10990
10991 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10992
10993         PR middle-end/38587
10994         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10995         crossing setjmps.
10996
10997 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10998
10999         PR bootstrap/37660
11000         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11001         (LIBGCC_SPEC):  Don't define.
11002         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11003
11004 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11005
11006         PR rtl-optimization/38879
11007         * alias.c (base_alias_check): Unaligned access via AND address can
11008         alias all surrounding object types except those with sizes equal
11009         or wider than the size of unaligned access.
11010
11011 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11012
11013         PR c++/26693
11014         * c-decl.c (clone_underlying_type): Move this ...
11015         * c-common.c (set_underlying_type): ... here.
11016         Also, make sure the function properly sets TYPE_STUB_DECL() on
11017         the newly created typedef variant type.
11018         (is_typedef_decl ): New entry point.
11019         * tree.h: Added a new member member_types_needing_access_check to
11020         struct tree_decl_non_common.
11021         (set_underlying_type): New entry point.
11022         (is_typedef_type): Likewise.
11023
11024 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11025
11026         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11027         Check whether two instructions have memory references that
11028         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11029         are helper functions for traversing.
11030         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11031         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11032         not to draw dependency edge for instructions with non-conflicting
11033         alias sets.
11034
11035 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11036
11037         PR other/38758
11038         * longlong.h: Update copyright years.  Use soft-fp license notice.
11039         Sync __clz_tab declaration with glibc.
11040
11041 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11042
11043         PR target/30687
11044         * doc/extend.texi (syscall_linkage): New.
11045         (version_id): Modify.
11046
11047 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11048             Richard Guenther  <rguenther@suse.de>
11049
11050         PR tree-optimization/38747
11051         PR tree-optimization/38748
11052         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11053         conversion if the base address is an indirect reference and the
11054         aliasing sets could cause issues.
11055
11056 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11057
11058         * common.opt (fgraphite, fgraphite-identity): Add comment for
11059         explaining why these options are not documented.
11060
11061 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11062
11063         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11064         gimple_call_lhs is NULL.
11065
11066 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11067
11068         PR target/38868
11069         * emit-rtl.c (adjust_address_1): Make sure memref is never
11070         overwritten.
11071
11072 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11073
11074         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11075         const qualifier from arg parameter. Remove unnecessary cast to char *.
11076         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11077         const qualifier from arg 2.
11078
11079 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11080
11081         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11082
11083 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11084
11085         PR c/38869
11086         * rtl.h (reinit_regs): New prototype.
11087         * regclass.c: Include ira.h.
11088         (reinit_regs): New.
11089         * Makefile.in (regclass.o): Add ira.h.
11090         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11091
11092 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11093
11094         PR target/38736
11095         * c-common.c (handle_aligned_attribute): Use
11096         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11097         default alignment value.
11098
11099         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11100
11101         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11102         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11103
11104         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11105         __BIGGEST_ALIGNMENT__.
11106
11107         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11108
11109 2009-01-18  Richard Guenther  <rguenther@suse.de>
11110
11111         PR tree-optimization/38819
11112         * tree-flow.h (operation_could_trap_helper_p): Declare.
11113         * tree-eh.c (operation_could_trap_helper_p): Export.
11114         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11115         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11116         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11117         are about to insert a possibly trapping instruction and fail
11118         in this case.
11119
11120 2009-01-18  Andreas Schwab  <schwab@suse.de>
11121
11122         * doc/install.texi (Configuration): Remove obsolete paragraph
11123         about use of --with-gnu-ld with --with-gnu-as.
11124
11125 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11126
11127         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11128         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11129         Follow spelling conventions.
11130
11131 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11132
11133         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11134         C++ warning about implicit conversion from void * to struct
11135         bitmap_head_def *.
11136         (bitmap_obstack_free): Likewise for bitmap_element *.
11137         * Makefile.in (bitmap.o-warn): Remove.
11138
11139 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11140
11141         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11142
11143 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11144             Tobias Grosser  <tobi.grosser@amd.com>
11145
11146         * graphite.c (graphite_trans_scop_block): Do not block single
11147         nested loops.
11148
11149 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11150
11151         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11152         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11153         test with assertion.
11154
11155 2009-01-16  Richard Guenther  <rguenther@suse.de>
11156
11157         PR tree-optimization/38835
11158         PR middle-end/36227
11159         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11160         and INT + PTR -> (INT)(PTR p+ INT) folding.
11161         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11162
11163 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11164
11165         PR target/38554
11166         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11167         the subreg from a lowpart subreg if it is also casting the value.
11168
11169 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11170             Tobias Grosser  <tobi.grosser@amd.com>
11171
11172         * graphite.c (compare_prefix_loops): New.
11173         (build_scop_canonical_schedules): Rewritten.
11174         (graphite_transform_loops): Move build_scop_canonical_schedules
11175         after build_scop_iteration_domain.
11176
11177 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11178             Tobias Grosser  <tobi.grosser@amd.com>
11179
11180         * graphite.c (add_conditions_to_domain): Add the loops to
11181         the dimension of the iteration domain.  Do copy the domain
11182         only when it exists.
11183         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11184         (add_conditions_to_constraints): New.
11185         (can_generate_code_stmt, can_generate_code): Removed.
11186         (gloog): Do not call can_generate_code.
11187         (graphite_transform_loops): Call add_conditions_to_constraints
11188         after building the iteration domain.
11189
11190 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11191
11192         PR tree-optimization/38789
11193         * tree-ssa-threadedge.c
11194         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11195         __builtin_constant_p.
11196
11197 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11198
11199         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11200         examined before deleting them.
11201
11202 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11203
11204         * function.c (aggregate_value_p): Correctly extract the function
11205         type from CALL_EXPR_FN lookup.
11206
11207 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11208
11209         * config/picochip/picochip.c (picochip_override_options): Revert
11210         CFI asm flag disable commited previously.
11211
11212 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11213             Tobias Grosser  <tobi.grosser@amd.com>
11214             Jan Sjodin  <jan.sjodin@amd.com>
11215
11216         * graphite.c (scan_tree_for_params): On substractions negate
11217         all the coefficients of the term.
11218         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11219         of more than two operands.
11220         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11221         (get_vdef_before_scop): Handle also the case of default definitions.
11222
11223 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11224
11225         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11226         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11227         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11228
11229 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11230             Joey Ye  <joey.ye@intel.com>
11231
11232         PR middle-end/37843
11233         * cfgexpand.c (expand_stack_alignment): Don't update stack
11234         boundary nor check incoming stack boundary here.
11235         (gimple_expand_cfg): Update stack boundary and check incoming
11236         stack boundary here.
11237
11238 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11239
11240         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11241
11242 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11243
11244         PR rtl-optimization/38245
11245         * calls.c (expand_call): Add stack arguments to
11246         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11247         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11248         in regs and partially in memory or BLKmode arguments.
11249         (emit_library_call_value_1): Add stack arguments to
11250         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11251         ACCUMULATE_OUTGOING_ARGS).
11252         * dce.c: Include tm_p.h.
11253         (find_call_stack_args): New function.
11254         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11255         argument.
11256         (mark_insn): Call find_call_stack_args for CALL_Ps.
11257         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11258         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11259         down to deletable_insn_p, don't mark stores set in arg_stores
11260         bitmap, clear the bitmap at the beginning of each bb.
11261         * Makefile.in (dce.o): Depend on $(TM_P_H).
11262
11263 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11264
11265         PR target/22599
11266         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11267         to make sure the insn is a conditional test (bug 22599).  Reformat a
11268         few long lines.
11269
11270 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11271
11272         PR middle-end/38431
11273         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11274         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11275         (gloog): Do not call cleanup_tree_cfg.
11276         (graphite_transform_loops): Call cleanup_tree_cfg after all
11277         scops have been code generated.
11278
11279 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11280         * doc/gty.texi (Invoking the garbage collector): Added new node
11281         and section documenting ggc_collect.
11282
11283 2009-01-14  Richard Guenther  <rguenther@suse.de>
11284
11285         PR tree-optimization/38826
11286         PR middle-end/38477
11287         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11288         initialization notes only if we actually emitted a warning.
11289         (intra_create_variable_infos): Add constraints for a result decl
11290         that is passed by hidden reference.
11291         (build_pred_graph): Mark all related variables non-direct on
11292         address-taking.
11293
11294 2009-01-14  Nick Clifton  <nickc@redhat.com>
11295
11296         * ira-conflicts.c: Include addresses.h for the definition of
11297         base_reg_class.
11298         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11299         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11300
11301 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11302
11303         PR target/38811
11304         * Makefile.in (ira-lives.o): Add except.h.
11305
11306         * ira-lives.c: Include except.h.
11307         (process_bb_node_lives): Process can_throw_internal.
11308
11309 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11310
11311         PR rtl-optimization/38774
11312         * combine.c (simplify_set): When undoing cc_use change, don't do
11313         PUT_CODE on the newly created comparison, but instead put back the
11314         old comparison.
11315
11316 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11317
11318         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11319         values.  Remove duplicate arm8 entry.
11320
11321 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11322
11323         PR tree-optimization/38786
11324         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11325         the SSA_NAME case of expand_scalar_variables_expr.
11326         Set the type of an expression to the type of its assign statement.
11327         (expand_scalar_variables_expr): Also gather the scalar computation
11328         used to index the memory access.  Do not pass loop_p.
11329         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11330         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11331         the gimple_stmt_iterator where it inserts new code.
11332         Do not pass loop_p.
11333         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11334         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11335
11336 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11337
11338         * graphite.h (debug_value): Removed.
11339         * graphite.c (debug_value): Removed.
11340
11341 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11342
11343         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11344         ldrd/strd with two 32-bit instructions.
11345
11346 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11347
11348         * config/arm/arm.c (struct processors): Pass for speed down into
11349         cost helper functions.
11350         (const_ok_for_op): Handle COMPARE and inequality nodes.
11351         (arm_rtx_costs_1): Rewrite.
11352         (arm_size_rtx_costs): Update prototype.
11353         (arm_rtx_costs): Pass speed down to helper functions.
11354         (arm_slowmul_rtx_costs): Rework cost calculations.
11355         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11356         (arm_9e_rtx_costs): Likewise.
11357
11358 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11359
11360         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11361         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11362         (alpha_legitimize_address): Do not split local symbols wider than
11363         UNITS_PER_WORD into HIGH/LO_SUM parts.
11364
11365 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11366
11367         PR bootstrap/38580
11368         * gcc.c (process_command): Replace call to execvp with calls
11369         to pex_one and exit.
11370
11371 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11372
11373         PR target/29141
11374         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11375         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11376         variant for devices with 3-byte PC.
11377         (__tablejump_elpm__): New.
11378
11379 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11380
11381         PR c/32041
11382         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11383         offsetof member-designator, handle it as `[0].'.
11384
11385 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11386
11387         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11388         function when not using named sections on targets with named sections
11389         if branch distance is less than 262132.
11390
11391 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11392
11393         * combine.c (combine_instructions):  Recompute
11394         optimize_this_for_speed_p  for each BB in the main combine loop.
11395
11396 2009-01-12  Tomas Bily  <tbily@suse.cz>
11397
11398         PR middlend/38385
11399         * tree-loop-distribution.c (prop_phis): New function.
11400         (generate_builtin): Call prop_phis.
11401         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11402
11403 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11404
11405         PR tree-optimization/38807
11406         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11407         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11408
11409 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11410
11411         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11412         subreg of op0 to the original op0.
11413
11414 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11415
11416         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11417
11418 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11419
11420         PR debug/7055
11421         * mips-tfile.c (parse_def): Fix parsing of def strings
11422         starting with digits.
11423
11424 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11425
11426         PR target/38695
11427         * config/arm/arm.c (arm_is_long_call_p): Don't call
11428         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11429
11430 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11431
11432         * regrename.c (regrename_optimize): Fix dumping.
11433         (find_oldest_value_reg): Preserve REG_POINTER.
11434         (copy_hardreg_forward_1): Likewise.
11435
11436 2009-01-09  Diego Novillo  <dnovillo@google.com>
11437
11438         * gimple.h (struct gimple_statement_base) <uid>: Document
11439         the restrictions on its use.
11440         (gimple_uid): Tidy.
11441         (gimple_set_uid): Tidy.
11442
11443 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11444
11445         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11446         zero guard even if align_bytes != 0 and count is smaller than
11447         size_needed.
11448
11449 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11450
11451         PR rtl-optimization/38495
11452         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11453         (add_range_and_copies_from_move_list): Print all added ranges.
11454         Add ranges to memory optimized destination.
11455
11456 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11457
11458         PR target/38686
11459         PR target/38708
11460         * config/i386/i386.c (override_options): Reject
11461         -mstringop-strategy=rep_8byte with -m32.
11462         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11463         to 1.  Do count comparison against epilogue_size_needed at compile
11464         time even when count_exp was constant forced into register.  For
11465         size_needed don't jump to epilogue, instead just avoid aligning
11466         and invoke the body algorithm.  If need_zero_guard, add zero guard
11467         even if count is non-zero, but smaller than size_needed + number of
11468         bytes that could be stored for alignment.
11469         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11470         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11471         but smaller than size_needed + number of bytes that could be stored
11472         for alignment.  Compare size_needed with epilogue_size_needed instead
11473         of desired_align - align, don't adjust size_needed, pass
11474         epilogue_size_needed to the epilogue expanders.
11475
11476         PR c/35742
11477         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11478
11479 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11480
11481         * pa.c (last_address): Change to unsigned.
11482         (update_total_code_bytes): Change argument to unsigned.  Don't
11483         check if insn addresses are set.
11484         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11485         addresses are not set.
11486         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11487
11488 2009-01-09  Nick Clifton  <nickc@redhat.com>
11489
11490         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11491         DECL_DECLARED_INLINE_P.
11492
11493 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11494
11495         PR middle-end/38347
11496         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11497         GET_MODE (op0) in operand_subword_force calls.
11498
11499         PR middle-end/38771
11500         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11501         fold_convert arg0 operands to TREE_TYPE (op0) first.
11502
11503 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11504
11505         * params.def (ira-max-conflict-table-size): Decrease default value
11506         to 1000.
11507
11508 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11509
11510         PR tree-optimization/37031
11511         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11512         on parameter_set.
11513         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11514         allocate it using gc instead of heap, use VEC_quick_push instead of
11515         VEC_safe_push.
11516         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11517         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11518         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11519         allocated vector from heap allocated.
11520         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11521         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11522         vector only after perfect_loop_nest_depth call.
11523
11524 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11525             Jan Sjodin  <jan.sjodin@amd.com>
11526
11527         PR tree-optimization/38559
11528         * graphite.c (debug_value, copy_constraint,
11529         swap_constraint_variables, scale_constraint_variable, ): New.
11530         (get_lower_bound, get_upper_bound): Removed.
11531         (graphite_trans_bb_strip_mine): Clean up this code that works
11532         only for constant number of iterations.  Fully copy upper and
11533         lower bound constraints, not only the constant part of them.
11534         * graphite.h (debug_value): Declared.
11535
11536 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11537
11538         PR tree-optimization/37194
11539         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11540         Don't add the cost of cost model guard in prologue to scalar
11541         outside cost in case of known number of iterations.
11542
11543 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11544             Alan Modra  <amodra@bigpond.net.au>
11545
11546         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11547         non-word-aligned REG+CONST addressing.
11548
11549 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11550
11551         PR target/38706
11552         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11553         free_after_compilation when outputting a thunk.
11554         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11555         Do not call free_after_compilation here.
11556
11557 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11558
11559         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11560         (ix86_valid_target_attribute_inner_p): Ditto.
11561
11562 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11563
11564         PR tree-optimization/38492
11565         PR tree-optimization/38498
11566         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11567         * tree-chrec.h (scev_is_linear_expression): Declared.
11568         * graphite.c (graphite_cannot_represent_loop_niter): New.
11569         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11570         (graphite_loop_normal_form): Use gcc_assert.
11571         (scan_tree_for_params): Use CASE_CONVERT.
11572         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11573         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11574         Use gcc_assert.  Discard scops that contain unhandled cases.
11575         (build_scop_conditions): Return a boolean status for unhandled cases.
11576         (strip_mine_profitable_p): Print the loop number, not its depth.
11577         (is_interchange_valid): Pass the depth of the loop nest, don't
11578         recompute it wrongly.
11579         (graphite_trans_bb_block): Same.
11580         (graphite_trans_bb_block): Print tentative of loop blocking.
11581         (graphite_trans_scop_block): Do not print that the loop has been
11582         blocked.
11583         (graphite_transform_loops): Do not handle scops that contain condition
11584         scalar phi nodes.
11585
11586 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11587
11588         AVX Programming Reference (December, 2008)
11589         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11590         (_mm256_stream_pd): Likewise.
11591         (_mm256_stream_ps): Likewise.
11592
11593         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11594         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11595         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11596         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11597         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11598         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11599         (ix86_expand_special_args_builtin): Likewise.
11600
11601         * config/i386/sse.md (AVXMODEDI): New.
11602         (avx_movnt<mode>): Likewise.
11603         (avx_movnt<mode>): Likewise.
11604         (<sse>_movnt<mode>): Remove AVX support.
11605         (sse2_movntv2di): Likewise.
11606
11607 2009-01-07  Richard Guenther  <rguenther@suse.de>
11608
11609         PR middle-end/38751
11610         * fold-const.c (extract_muldiv): Remove obsolete comment.
11611         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11612         to PLUS_EXPR canonicalization for the canonicalization.
11613
11614 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11615
11616         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11617         hosted cross-compilers generating less efficient code.
11618
11619 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11620
11621         * function.h (rtl_data): Add a dbr_scheduled_p field.
11622         * reorg.c (dbr_schedule): Set it.
11623         (gate_handle_delay_slots): Check it.
11624         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11625         (mips_reorg): Check flag_delayed_branch instead of
11626         mips_base_delayed_branch.
11627         (mips_override_options): Don't set mips_base_delayed_branch
11628         or flag_delayed_branch.
11629
11630 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11631
11632         PR rtl-optimization/38426.
11633         * ira.c (ira): Set current_function_is_leaf earlier.
11634
11635 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11636
11637         PR rtl-optimization/38722
11638         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11639         too early, only set a flag and modify after last possible
11640         undo_all point.
11641
11642 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11643
11644         PR c/34252
11645         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11646         * real.c (decimal_single_format): Correct values of emin and emax.
11647         (decimal_double_format): Ditto.
11648         (decimal_quad_format): Ditto.
11649         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11650         computation of DECnn_MIN and DECnn_MAX for corrected values of
11651         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11652         __DECnn_MIN__, and adjust its computation for the corrected value
11653         of emin.
11654
11655 2009-01-06  Jan Hubicka  <jh@suse.cz>
11656
11657         PR target/38744
11658         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11659
11660 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11661
11662         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11663         Add Robert Clark to the list of testers.
11664
11665 2009-01-06  Jan Hubicka  <jh@suse.cz>
11666             Kai Tietz  <kai.tietz@onevision.com>
11667
11668         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11669         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11670
11671 2009-01-06  Jan Hubicka  <jh@suse.cz>
11672             Kai Tietz  <kai.tietz@onevision.com>
11673
11674         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11675         for w64 ABI.
11676         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11677         (ix86_nsaved_regs): Count only general purpose regs.
11678         (ix86_nsaved_sseregs): New.
11679         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11680         to 16 for w64; compute padding and size of sse reg save area.
11681         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11682         general purpose regs.
11683         (ix86_emit_save_sse_regs_using_mov): New.
11684         (ix86_expand_prologue): Save SSE regs if needed.
11685         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11686         (ix86_emit_restore_sse_regs_using_mov): New.
11687         (ix86_expand_epilogue): Save SSE regs if needed.
11688
11689 2009-01-06  Jan Hubicka  <jh@suse.cz>
11690             Kai Tietz  <kai.tietz@onevision.com>
11691
11692         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11693         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11694         functions when accumulate outgoing args is off.
11695
11696 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11697
11698         PR bootstrap/38742
11699         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11700         before using pseudos_have_intersected_live_ranges_p.
11701
11702         * ira-int.h (ira_assert): Always define.
11703
11704 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11705
11706         AVX Programming Reference (December, 2008)
11707         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11708         (_mm256_permute2_pd): Likewise.
11709         (_mm_permute2_ps): Likewise.
11710         (_mm256_permute2_ps): Likewise.
11711         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11712         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11713
11714         * config/i386/i386.c (ix86_builtins): Remove
11715         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11716         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11717         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11718         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11719         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11720         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11721         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11722         __builtin_ia32_vpermil2ps256.
11723         (ix86_init_mmx_sse_builtins): Updated.
11724         (ix86_expand_args_builtin): Likewise.
11725
11726 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11727
11728         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11729         long absolute calls when generating PA 2.0 code.
11730
11731 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11732
11733         PR rtl-optimization/38583
11734         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11735
11736         * params.def (ira-max-conflict-table-size): New.
11737
11738         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11739
11740         * ira.h (ira_conflicts_p): New external definition.
11741
11742         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11743         table.  Report this.  Return result of building.
11744         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11745         building conflict table.
11746
11747         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11748         (ira_color): Use ira_conflicts_p.
11749
11750         * global.c: Include ira.h.
11751         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11752         ira_conflicts_p.
11753
11754         * Makefile.in (global.o): Add ira.h.
11755
11756         * ira-build.c (mark_all_loops_for_removal,
11757         propagate_some_info_from_allocno): New.
11758         (remove_unnecessary_allocnos): Call
11759         propagate_some_info_from_allocno.
11760         (remove_low_level_allocnos): New.
11761         (remove_unnecessary_regions): Add parameter.  Call
11762         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11763         parameter to remove_unnecessary_regions.
11764         (ira_build): Remove all regions but root if the conflict table was
11765         not built.  Update conflict hard regs for allocnos crossing calls.
11766
11767         * ira.c (ira_conflicts_p): New global.
11768         (ira): Define and use ira_conflicts_p.
11769
11770         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11771         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11772         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11773
11774 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11775
11776         * gengtype-lex.l (YY_NO_INPUT): Define.
11777
11778 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11779
11780         PR c/34911
11781         * c-common.c (handle_vector_size_attribute): Also reject
11782         BOOLEAN_TYPE types.
11783
11784 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11785
11786         PR tree-optimization/38492
11787         * graphite.c (rename_map_elt, debug_rename_elt,
11788         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11789         rename_map_elt_info, eq_rename_map_elts,
11790         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11791         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11792         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11793         (sese_build_livein_liveouts): New.
11794         (new_sese, free_sese): New.
11795         (new_scop): Call new_sese.
11796         (free_scop): Call free_sese.
11797         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11798         (register_old_new_names): Renamed register_old_and_new_names.
11799         (register_scop_liveout_renames, add_loop_exit_phis,
11800         insert_loop_close_phis, struct igp,
11801         default_liveout_before_guard, add_guard_exit_phis,
11802         insert_guard_phis, copy_renames): New.
11803         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11804         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11805         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11806         (scop_adjust_phis_for_liveouts): New.
11807         (gloog): Call scop_adjust_phis_for_liveouts.
11808
11809         * graphite.h (struct sese): Documented.  Added fields liveout,
11810         num_ver and livein.
11811         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11812         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11813         (struct scop): Added field liveout_renames.
11814         (SCOP_LIVEOUT_RENAMES): New.
11815
11816 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11817
11818         PR tree-optimization/38510
11819         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11820         (translate_clast): Call recompute_all_dominators before
11821         graphite_verify.
11822         (gloog): Call recompute_all_dominators before graphite_verify.
11823
11824 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11825             Jan Sjodin  <jan.sjodin@amd.com>
11826
11827         PR tree-optimization/38500
11828         * graphite.c (create_sese_edges): Call fix_loop_structure after
11829         splitting blocks.
11830
11831 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11832
11833         * config.gcc: Add m32r*-*-rtems*.
11834         * config/m32r/rtems.h: New file.
11835
11836 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11837
11838         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11839         (.po.pox): Likewise.
11840         (po/gcc.pot): Likewise.
11841
11842 2009-01-04  David S. Miller  <davem@davemloft.net>
11843
11844         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11845         (STARTING_FRAME_OFFSET): Always set to zero.
11846
11847 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11848
11849         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11850         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11851         fixed-point types, and vectors of the same.
11852
11853 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11854
11855         * config/mips/sync.md (*mb_barrier): Rename to...
11856         (*memory_barrier): ...this.
11857
11858 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11859
11860         * doc/extend.texi (Function Attributes): Move @cindex after @item
11861         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11862         and put in alphabetical order. Fix 'target' name and put in order.
11863         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11864         typos.
11865
11866 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11867
11868         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11869         (memory_barrier): Expand as unspec instead of unspec_volatile.
11870         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11871         (*memory_barrier): Define as unspec instead of unspec_volatile.
11872         Use (match_dup 0) as input operand.
11873
11874         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11875         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11876         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11877         scratch register.  Remove operand 1.
11878         (*stbar): Define as unspec instead of unspec_volatile.
11879         Use (match_dup 0) as input operand, remove (const_int 8).
11880         (*membar): Define as unspec instead of unspec_volatile.
11881         Use (match_dup 0) as input operand, remove input operand 2.
11882
11883         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11884         (memory_barrier): Expand as unspec instead of unspec_volatile.
11885         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11886         (*memory_barrier): Define as unspec instead of unspec_volatile.
11887         Use (match_dup 0) as input operand.
11888
11889         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11890         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11891         Set volatile flag on operand 0.
11892         (*memory_barrier): New insn pattern.
11893
11894         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11895         insn operands.
11896         (*memory_barrier): Use (match_dup 0) as input operand.
11897
11898         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11899         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11900         Set volatile flag on operand 0.
11901         (*mb_internal): New insn pattern.
11902
11903         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11904
11905 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11906
11907         PR middle-end/38586
11908         * function.c (struct temp_slot): Move to the section of the file
11909         that deals with temp slots.  Remove field 'address'.
11910         (temp_slot_address_table): New hash table of address -> temp slot.
11911         (struct temp_slot_address_entry): New struct, items for the table.
11912         (temp_slot_address_compute_hash, temp_slot_address_hash,
11913         temp_slot_address_eq, insert_temp_slot_address): Support functions
11914         for the new table.
11915         (find_temp_slot_from_address): Rewrite to use the new hash table.
11916         (remove_unused_temp_slot_addresses): Remove addresses of temp
11917         slots that have been made available.
11918         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11919         worker function for remove_unused_temp_slot_addresses.
11920         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11921         Add the temp slot address to the address -> temp slot map.
11922         (update_temp_slot_address): Update via insert_temp_slot_address.
11923         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11924         (pop_temp_slots): Likewise.
11925         (init_temp_slots): Allocate the address -> temp slot map, or empty
11926         the map if it is already allocated.
11927         (prepare_function_start): Initialize temp slot processing.
11928
11929 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11930
11931         PR middle-end/38584
11932         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11933         Calculate the size of all stack vars assuming no packing of stack
11934         vars will happen, replacing a quadratic algorithm with a linear one.
11935
11936 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11937
11938         PR target/38707
11939         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11940         can't be used.
11941
11942 2009-01-03  Diego Novillo  <dnovillo@google.com>
11943
11944         * doc/contrib.texi: Update contributions.
11945
11946 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11947
11948         PR c++/38705
11949         * builtins.c (fold_builtin_memory_op): Give up if either operand
11950         is volatile.  Set srctype or desttype to non-qualified version
11951         of the other type.
11952
11953         PR c/38700
11954         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11955         and FUNCTION_DECLs.
11956
11957 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11958
11959         PR rtl-optimization/35805
11960         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11961         problem if fast dce is able to remove any instructions.
11962         * dce.c (dce_process_block): Fix dump message.
11963
11964 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11965
11966         PR 33649
11967         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11968
11969 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11970
11971         PR middle-end/38690
11972         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11973         * tree-pretty-print.c (op_code_prio): New function.
11974         (op_prio): No longer static.  Use op_code_prio.
11975         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11976         Use op_prio and op_code_prio to determine if () should be
11977         printed around operand(s) or not.
11978
11979         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11980         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11981         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11982         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11983         pp_character instead of pp_string for single letter printing.
11984
11985 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11986
11987         * doc/extend.texi: Fix '#pragma GCC option' typo.
11988
11989 2009-01-02  Richard Guenther  <rguenther@suse.de>
11990
11991         * doc/install.texi (--enable-checking): Mention different
11992         default for stage1.
11993         (--enable-stage1-checking): Document.
11994
11995 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11996
11997         PR middle-end/30142
11998         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11999         case to be an error.
12000
12001 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12002
12003         * config/fp-bit.h (pack_d): Constify argument.
12004         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12005         (isnan): Constify argument.
12006         (isinf): Likewise.
12007         (iszero): Likewise.
12008         (pack_d): Likewise.
12009         (_fpadd_parts): Constify return type.
12010         (_fpmul_parts): Likewise.
12011         (_fpdiv_parts): Likewise.
12012
12013 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12014
12015         PR c/36489
12016         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12017         warn about overwriting initializer with side-effects or
12018         -Woverride-init if !IMPLICIT.
12019         (output_init_element): Likewise.  Pass IMPLICIT down to
12020         add_pending_init.
12021         (process_init_element): Add IMPLICIT argument.  Pass it down
12022         to output_init_element.
12023         (push_init_element, pop_init_level, set_designator): Adjust
12024         process_init_element callers.
12025         (set_nonincremental_init, set_nonincremental_init_from_string):
12026         Adjust add_pending_init callers.
12027         (output_pending_init_elements): Adjust output_init_element callers.
12028         * c-tree.h (process_init_element): Adjust prototype.
12029         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12030         process_init_element callers.
12031
12032 \f
12033 Copyright (C) 2009 Free Software Foundation, Inc.
12034
12035 Copying and distribution of this file, with or without modification,
12036 are permitted in any medium without royalty provided the copyright
12037 notice and this notice are preserved.