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2009-05-15 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-15  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
4         not TODO_update_ssa.
5
6 2009-05-15  Richard Guenther  <rguenther@suse.de>
7
8         PR tree-optimization/39999
9         * gimple.h (gimple_expr_type): Use the expression type looking
10         through useless conversions.
11         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
12         (vn_nary_op_insert_stmt): Likewise.
13         (simplify_binary_expression): Likewise.
14
15 2009-05-15  Richard Guenther  <rguenther@suse.de>
16
17         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
18         New options, enabled by default.
19         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
20         Document.
21         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
22         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
23         * tree-ssa-structalias.c (gate_tree_pta): New function.
24         (pass_build_alias): Use it.
25
26 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
27
28         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
29         recurse on an invariant address if a conversion from a pointer
30         type to a wider integer type is involved.
31
32 2009-05-15  Jan Hubicka  <jh@suse.cz>
33
34         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
35         * cgraph.h (struct inline_summary): New filed self_wize,
36         size_inlining_benefit, self_time and time_inlining_benefit.
37         (struct cgraph_global_info): Replace insns by time ans size fields.
38         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
39         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
40         (ipcp_update_callgraph): Do not touch function bodies.
41         * ipa-inline.c: Include except.h
42         MAX_TIME: New constant.
43         (overall_insns): Remove
44         (overall_size, max_benefit): New static variables.
45         (cgraph_estimate_time_after_inlining): New function.
46         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
47         (cgraph_clone_inlined_nodes): Update size.
48         (cgraph_mark_inline_edge): Update size.
49         (cgraph_estimate_growth): Use size info.
50         (cgraph_check_inline_limits): Check size.
51         (cgraph_default_inline_p): Likewise.
52         (cgraph_edge_badness): Compute badness based on benefit and size cost.
53         (cgraph_decide_recursive_inlining): Check size.
54         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
55         (cgraph_decide_inlining): Likewise.
56         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
57         (likely_eliminated_by_inlining_p): New predicate.
58         (estimate_function_body_sizes): New function.
59         (compute_inline_parameters): Use it.
60         * except.c (must_not_throw_labels): New function.
61         * except.h (must_not_throw_labels): Declare.
62         * tree-inline.c (init_inline_once): Kill inlining_weigths
63         * tree-ssa-structalias.c: Avoid uninitialized warning.
64         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
65         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
66         (PARAM_INLINE_CALL_COST): Remove.
67         (PARAM_EARLY_INLINING_INSNS): New.
68         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
69         (inline-call-cost): Remove.
70         (early-inlining-insns): New.
71
72 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
73
74         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
75         for bounds.
76         (print_int_cst_bounds_in_octal_p): Likewise.
77         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
78         with subtypes.
79         * dwarf2out.c (base_type_die): Likewise.
80         (is_subrange_type): Delete.
81         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
82         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
83         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
84         the destination type is boolean.
85         (build_range_check): Do not special-case subtypes.
86         (fold_sign_changed_comparison): Likewise.
87         (fold_unary): Likewise.
88         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
89         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
90         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
91         * tree.c (subrange_type_for_debug_p): New predicate based on the former
92         is_subrange_type.
93         * tree.h (subrange_type_for_debug_p): Declare.
94         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
95         (convert_affine_scev): Remove call to above function.
96         (chrec_convert_aggressive): Likewise.
97         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
98         false for conversions involving subtypes.
99         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
100         (vrp_val_min): Likewise.
101         (needs_overflow_infinity): Likewise.
102         (extract_range_from_unary_expr): Likewise.
103
104 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
105
106         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
107         * config/frv/frv.c: Likewise.
108         * config/s390/s390.c: Likewise.
109         * config/sparc/sparc.h: Likewise.
110         * config/i386/i386.h: Likewise.
111         * config/i386/i386.c: Likewise.
112         * config/crx/crx.c: Likewise.
113         * config/m68hc11/m68hc11.h: Likewise.
114         * config/iq2000/iq2000.c: Likewise.
115         * config/mn10300/mn10300.h: Likewise.
116         * config/mn10300/mn10300.c: Likewise.
117         * config/m68k/m68k.c: Likewise.
118         * config/rs6000/rs6000.c: Likewise.
119         * config/rs6000/xcoff.h: Likewise.
120         * config/rs6000/linux64.h: Likewise.
121         * config/rs6000/sysv4.h: Likewise.
122         * config/score/score3.c: Likewise.
123         * config/score/score7.c: Likewise.
124         * config/score/score.c: Likewise.
125         * config/arm/arm.md: Likewise.
126         * config/mips/mips.c: Likewise.
127         * config/mips/mips.md: Likewise.
128         * config/bfin/bfin.h: Likewise.
129         * config/pa/pa.c: Likewise.
130         * config/pa/constraints.md: Likewise.
131
132         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
133         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
134         * config/pdp11/pdp11.h: Use memory_address_p instead.
135
136 2009-05-14  Ian Lance Taylor  <iant@google.com>
137
138         * passes.c (finish_optimization_passes): Change i to int.
139         * plugin.c (plugins_active_p): Change event to int.
140         (dump_active_plugins): Likewise.
141         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
142         Add cast.
143         * tree.c (tree_range_check_failed): Change c to unsigned int.
144         (omp_clause_range_check_failed): Likewise.
145         (build_common_builtin_nodes): Change mode to int.  Add cast.
146         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
147         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
148
149         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
150         ++ or -- with a variable of enum type.
151
152 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
153
154         PR driver/40144
155         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
156
157 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
158
159         * store-motion.c: Do not include params.h
160         * Makefile.in: Fix dependencies for various files.
161
162 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
163
164         * auto-inc-dec.c: Fix pass description, remove apparent
165         accidental duplication.
166
167 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
168
169         PR middle-end/40147
170         * ipa-utils.h (memory_identifier_string): Moved to ...
171         * tree.h (memory_identifier_string): Here.  Add GTY(()).
172
173 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
174
175         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
176         in the former documentation of...
177         (GO_IF_LEGITIMATE_ADDRESS): ... this.
178         * ira-conflicts.c (get_dup_num): Use address_operand.
179         * targhooks.c (default_legitimate_address_p): New.
180         * targhooks.h (default_legitimate_address_p): New.
181         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
182         Call hook.
183         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
184         * target.h (struct target): Add legitimate_address_p.
185         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
186         (TARGET_INITIALIZER): Include it.
187
188         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
189         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
190         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
191         (TARGET_LEGITIMATE_ADDRESS_P): New.
192
193         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
194         (REG_OK_STRICT_P): Delete.
195         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
196         (frv_legitimate_address_p_1): ... this.
197         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
198         (frv_legitimate_address_p_1): ... the renamed old
199         frv_legitimate_address_p.
200         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
201         (TARGET_LEGITIMATE_ADDRESS_P): New.
202
203         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
204         * config/s390/s390-protos.h (legitimate_address_p): Remove.
205         * config/s390/s390.c (legitimate_address_p): Rename to...
206         (s390_legitimate_address_p): ... this, make static.
207         (legitimize_address): Adjust call.
208         (TARGET_LEGITIMATE_ADDRESS_P): New.
209         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
210
211         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
212         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
213         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
214         (TARGET_LEGITIMATE_ADDRESS_P): New.
215
216         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
217         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
218         * config/spu/spu.c (spu_legitimate_address): Rename to...
219         (spu_legitimate_address_p): ... this, make static.
220         (TARGET_LEGITIMATE_ADDRESS_P): New.
221
222         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
223         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
224         * config/sparc/sparc.c (legitimate_address_p): Rename to...
225         (sparc_legitimate_address_p): ... this, make static and return bool.
226         (legitimize_address): Adjust call.
227         (TARGET_LEGITIMATE_ADDRESS_P): New.
228
229         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
230         * config/i386/i386-protos.h (legitimate_address_p): Remove.
231         * config/i386/i386.c (legitimate_address_p): Rename to...
232         (ix86_legitimate_address_p): ... this, make static.
233         (constant_address_p): Move after it, adjust call.
234         (TARGET_LEGITIMATE_ADDRESS_P): New.
235
236         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
237         * config/avr/avr-protos.h (legitimate_address_p): Remove.
238         * config/avr/avr.c (legitimate_address_p): Rename to...
239         (avr_legitimate_address_p): ... this, make static.
240         (legitimize_address): Adjust call.
241         (TARGET_LEGITIMATE_ADDRESS_P): New.
242
243         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
244         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
245         * config/crx/crx.c (crx_legitimate_address_p): Make static.
246         (TARGET_LEGITIMATE_ADDRESS_P): New.
247
248         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
249         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
250         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
251         (TARGET_LEGITIMATE_ADDRESS_P): New.
252
253         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
254         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
255         Remove.
256         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
257         Make static.
258         (TARGET_LEGITIMATE_ADDRESS_P): New.
259
260         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
261         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
262         Remove.
263         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
264         Rename to...
265         (m68hc11_legitimate_address_p): ... this, make static.
266         (go_if_legitimate_address_internal): Rename to...
267         (m68hc11_legitimate_address_p_1): ... this.
268         (legitimize_address): Adjust call.
269         (TARGET_LEGITIMATE_ADDRESS_P): New.
270
271         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
272         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
273         Remove.
274         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
275         Make static.
276         (TARGET_LEGITIMATE_ADDRESS_P): New.
277
278         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
279         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
280         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
281         (mn10300_legitimate_address_p): ... this, make static.
282         (TARGET_LEGITIMATE_ADDRESS_P): New.
283
284         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
285         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
286         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
287         (TARGET_LEGITIMATE_ADDRESS_P): New.
288
289         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
290         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
291         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
292         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
293         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
294         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
295         (rs6000_legitimate_address_p): ... this, make static.
296         (TARGET_LEGITIMATE_ADDRESS_P): New.
297         (REG_MODE_OK_FOR_BASE_P): Delete.
298         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
299
300         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
301         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
302         Delete.
303         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
304         static, adjust types.
305         (TARGET_LEGITIMATE_ADDRESS_P): New.
306
307         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
308         * config/score/score.c (score_address_p): Rename to...
309         (score_legitimate_address_p): ... this.
310         (TARGET_LEGITIMATE_ADDRESS_P): New.
311         * config/score/score3.c (score3_address_p): Rename to...
312         (score3_legitimate_address_p): ... this.
313         * config/score/score7.c (score7_address_p): Rename to...
314         (score7_legitimate_address_p): ... this.
315
316         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
317         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
318         GO_IF_LEGITIMATE_ADDRESS): Delete.
319         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
320         thumb2_legitimate_address_p): Delete.
321         (arm_legitimate_address_p): Rename to...
322         (arm_legitimate_address_outer_p): ... this.
323         * config/arm/constraints.md ("Uq"): Adjust call.
324         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
325         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
326         (arm_legitimate_address_outer_p): ... this.
327         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
328         (TARGET_LEGITIMATE_ADDRESS_P): New.
329
330         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
331         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
332         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
333         (TARGET_LEGITIMATE_ADDRESS_P): New.
334
335         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
336         * config/vax/vax-protos.h (legitimate_address_p): Remove.
337         * config/vax/vax.c (legitimate_address_p): Rename to...
338         (vax_legitimate_address_p): ... this, make static.
339         (TARGET_LEGITIMATE_ADDRESS_P): New.
340
341         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
342         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
343         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
344         (TARGET_LEGITIMATE_ADDRESS_P): New.
345
346         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
347         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
348         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
349         (mmix_legitimate_address_p): ... this, make static.
350         (TARGET_LEGITIMATE_ADDRESS_P): New.
351
352         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
353         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
354         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
355         (TARGET_LEGITIMATE_ADDRESS_P): New.
356
357 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
358
359         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
360         of MODE_COMPLEX_INT.
361
362 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
363
364         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
365         LCT_NORMAL in function call.
366         * mips-tdump.c (print_file_desc): Add cast to enum type.
367         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
368         (mark_stabs): Add casts to enum types.
369         (parse_stabs_common): Add casts to enum types.
370
371 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
372
373         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
374         Check for invalid values of LETTER.
375
376 2009-05-13  Taras Glek  <tglek@mozilla.com>
377
378         * attribs.c (register_attribute): moved out attribute registration into
379         register_attribute.
380         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
381         * gcc-plugin.h: Added forward decl for register_attribute.
382         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
383         * plugin.c (register_callback, invoke_plugin_callbacks): Added
384         PLUGIN_ATTRIBUTES boilerplate.
385
386 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
387
388         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
389         values even in sentinel and empty entries.
390         (ms_printf_flag_specs):  Likewise.
391         (ms_scanf_flag_specs):  Likewise.
392         (ms_strftime_flag_specs):  Likewise.
393         (ms_print_char_table):  Likewise.
394         (ms_scan_char_table):  Likewise.
395         (ms_time_char_table):  Likewise.
396
397 2009-05-13  Doug Kwan  <dougkwan@google.com>
398
399         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
400
401 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
402
403         * config/mips/mips.md (store): Add attributes for QI and HI.
404         Update comment.
405         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
406         (truncdi<mode>2): ... this new pattern.
407
408 2009-05-13  Brad Hards  <bradh@kde.org>
409
410         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
411
412 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
413             Ben Elliston <bje@au.ibm.com>
414
415         PR middle-end/40035
416         * dse.c (check_mem_read_rtx): Guard against width == -1.
417
418 2009-05-13  Michael Matz  <matz@suse.de>
419
420         PR middle-end/39976
421         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
422         (trivially_conflicts_p): New function.
423         (insert_backedge_copies): Use it.
424
425 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
426
427         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
428         (handle_stdc_pragma): Use new enum constant names.
429         (handle_pragma_float_const_decimal64): Ditto.
430
431 2009-05-13  Ian Lance Taylor  <iant@google.com>
432
433         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
434         tree.def.
435
436 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
437
438         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
439         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
440         multilibs.
441         * config/m68k/m68k.h (FL_UCLINUX): Define.
442
443 2009-05-13  Jan Hubicka  <jh@suse.cz>
444
445         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
446
447 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
448
449         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
450         unless -fschedule-insns is specified.
451
452 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
453
454         PR target/39561
455         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
456         TARGET_EXPAND_CBRANCHDI4.
457         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
458         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
459         (cmpeqdi): Fix comment.
460
461 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
462
463         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
464         (sh_legitimate_address_p): Likewise.
465         * config/sh/sh.c (sh_legitimate_index_p): New.
466         (sh_legitimate_address_p): Likewise.
467         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
468         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
469         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
470         (MAYBE_BASE_REGISTER_RTX_P): New macro.
471         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
472         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
473         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
474         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
475         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
476
477 2009-05-12  Jan Hubicka  <jh@suse.cz>
478
479         * tree-inline.c (estimate_operator_cost): Add operands;
480         when division happens by constant, it is cheap.
481         (estimate_num_insns): Loads and stores are not having cost of 0;
482         EH magic stuff is cheap; when computing runtime cost of switch,
483         use log2 base of amount of its cases; builtin_expect has cost of 0;
484         compute cost for moving return value of call.
485         (init_inline_once): Initialize time_based flags.
486         * tree-inline.h (eni_weights_d): Add time_based flag.
487
488 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
489
490         * df-core.c: Update head documentation.
491
492 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
493
494         PR bootstrap/40118
495         * rs6000.c (rs6000_generate_compare): Use op1b instead of
496         shadowing exisiting variable op1.
497
498 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
499
500         PR target/37179
501         * config/i386/driver-i386.c (processor_signatures): New enum.
502         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
503         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
504         processor signature to detect geode processor.
505
506 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
507
508         Revert:
509
510         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
511
512         * optabs.c (prepare_cmp_insn): Temporarily disable test that
513         causes spurious differences between trunk and cond-optab branch.
514
515 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
516
517         * dojump.c (compare_from_rtx): Delete.
518         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
519         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
520         if the comparison does not satisfy the predicate; test predicates for
521         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
522         further if one existing pattern fails.
523         * expr.h (compare_from_rtx): Delete.
524         (prepare_operand): Declare it.
525         * optabs.c: Change "lib call" to "libcall" throughout.
526         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
527         HAVE_conditional_trap, emit_cmp_insn): Delete.
528         (can_compare_p): Delete cmp_optab case.
529         (prepare_float_lib_cmp): Return an rtx and a machine mode.
530         Accept other parameters by value.
531         (prepare_operand): Make non-static.
532         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
533         other parameters by value.  Try to widen operands here based on
534         an optab_methods argument and looking at cbranch_optab.
535         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
536         loop.  Use cbranch_optab directly.
537         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
538         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
539         assertion.
540         (emit_conditional_move, emit_conditional_add): Inline what's needed
541         of compare_from_rtx, using new prepare_cmp_insn for the rest.
542         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
543         with COMPARE.  Move cmov_optab and cstore_optab above
544         with cbranch_optab, move cmp_optab down with ucmp_optab,
545         remove tst_otpab.  Do not initialize trap_rtx.
546         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
547         for trap code.  Do not check HAVE_conditional_trap.  Use
548         prepare_cmp_insn.  Accept no predicate for operand 3.
549         * optabs.h (OTI_cmp): Mark as used only for libcalls.
550         (OTI_ctrap, ctrap_optab): New.
551         (tst_optab): Delete.
552         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
553         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
554         with lookup of ctrap_optab.
555         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
556         setcc_gen_code): Delete.
557         (ctrap_optab): New.
558
559         * combine.c (combine_simplify_rtx, simplify_set): Do not
560         special case comparing against zero for cc0 machines.
561         * simplify-rtx.c (simplify_binary_operation_1): Never remove
562         COMPARE on cc0 machines.
563         (simplify_relational_operation): Return a new expression when
564         a COMPARE could be removed.
565         * final.c (final_scan_insn): Compare cc_status values
566         against LHS of a (compare FOO (const_int 0)) cc0 source.
567         Also check if cc_status.value is the full compare.
568
569         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
570         (cstoreMM4): Document.
571         (conditional_trap): Document ctrapMM4 instead.
572         (sync_compare_and_swapMM): Refer to cbranchcc4.
573         (Dependent Patterns): Eliminate obsolete information referring to
574         the old jump optimization phase.
575         (Canonicalization): Include cbranchcc4 case, omit canonicalization
576         of compares with 0 on cc0 machines.
577         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
578         avoiding references to cc0.  Remove text about storing operands
579         in cmpMM.
580         * doc/tm.texi (Condition Codes): Include blurb on different
581         condition code representations, separate into subsections for
582         CC0, MODE_CC and conditional execution.
583
584         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
585         alpha_emit_setcc): Accept operands and a machine mode.
586         * config/alpha/alpha.c (alpha_emit_conditional_branch):
587         Get code/op0/op1 from operands, use machine mode argument
588         instead of alpha_compare.fp_p.  Emit the branch here.
589         (alpha_emit_setcc): Likewise, and return boolean.
590         (alpha_emit_conditional_move): Likewise.  Assert that
591         cmp_op_mode == cmp_mode, and simplify accordingly.
592         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
593         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
594         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
595         Delete.
596         (stack probe test): Use cbranchdi4.
597         * config/alpha/predicates.md (alpha_cbranch_operator): New.
598
599         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
600         * config/arc/arc.h (movsicc, movsfcc): Use it.
601         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
602         (cbranchsi4, cstoresi4): New.
603         (cmpsi, bCC and sCC expanders): Remove. 
604
605         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
606         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
607         * config/arm/predicates.md (arm_comparison_operator): Only include
608         floating-point operators if there is a hardware floating-point unit.
609         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
610         deferring to cbranch_cc and cstore_cc respectively.
611         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
612         cbranch_cc, cstore_cc): New.
613         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
614         arm_compare_op1.
615         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
616
617         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
618         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
619         as an argument.
620         (adjust_insn_length): Adjust calls.
621         (avr_reorg): Handle (compare (foo) (const_int 0)).
622         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
623         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
624         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
625         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
626         (bCC): Remove.
627         (cbranchqi4, cbranchhi4, cbranchsi4): New.
628         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
629
630         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
631         (cbranchsi4, cstorebi4, cstoresi4): New.
632         (movbisi): This insn is duplicate, split it to zero_extend.
633         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
634         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
635         (bfin_optimize_loop): Use cbranch expander.
636         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
637         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
638         (bfin_bimode_comparison_operator): ... this.
639         (bfin_direct_comparison_operator): New.
640  
641         * config/cris/cris.c (cris_normal_notice_update_cc): Look
642         inside (compare FOO (const_int 0)).
643         (cris_rtx_costs): Handle ZERO_EXTRACT.
644         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
645         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
646         (*tstdi_v32): Delete.
647         (*cmpdi_non_v32): Add M alternative for operand 1.
648         (cmpsi, cmp<mode>): Make private.
649         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
650         with COMPARE.
651         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
652
653         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
654         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
655         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
656         (cc_reg_operand): New.
657         (any_cond): Delete.
658         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
659         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
660         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
661         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
662         crx_expand_scond): Delete.
663
664         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
665         (cbranchsi4): New.
666         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
667         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
668
669         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
670         cstoresi4, cstoresf4, cstoredf4): New.
671         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
672         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
673         Receive the entire operands array.
674         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
675         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
676         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
677         Get test/op0/op1 from the operands array.
678         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
679
680         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
681         (h8300_expand_store): New.
682         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
683         (const_int 0)).
684         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
685         (h8300_expand_store): New.
686         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
687         or do not try to produce (set (cc0) REG).
688         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
689         change a compare into a move to a scratch register.  Disable some
690         peepholes when comparing with zero.
691         (tstsi, tsthi, tstsi, cmpqi): Make private.
692         (cmphi): Delete.
693         (bCC, sCC): Delete.
694         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
695         cstoresi4): New.
696
697         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
698         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
699         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
700         (ix86_emit_i387_log1p): Use cbranchxf2.
701         (ix86_expand_setcc): Return void.
702         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
703         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
704         cmp<MODEF>, cmpcc): Remove.
705         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
706         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
707         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
708         (sCC and bCC expanders): Remove.
709         (stack_protect_test): Use cbranchcc4.
710
711         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
712         Delete.
713         (ia64_expand_compare): Accept three rtx by reference and return void.
714         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
715         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
716         from *expr.  Update *expr with the BImode comparison to do.
717         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
718         cmptf, bCC, sCC, conditional_trap): Delete.
719         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
720         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
721         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
722         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
723         * config/ia64/predicates.md (ia64_cbranch_operator): New.
724
725         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
726         type of last argument.
727         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
728         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
729         use machine mode argument instead of branch_type.  Remove dead
730         code for floating-point comparisons.
731         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
732         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
733         Remove.
734         (cbranchsi4, cstoresi4): New.
735         * config/iq2000/predicates.md (reg_or_const_operand): New.
736
737         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
738         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
739         (b<code>_op): Rewrite to...
740         (bcc_op): ... this, using match_operator.
741         (s<code>_op): Rewrite to...
742         (scc_op): ... this, using match_operator.
743         (s<code>_24_op): Rewrite to...
744         (scc_op_24): ... this, using match_operator.
745         (s<code>_<mode>): Rewrite to...
746         (cstore<mode>4): ... this, using match_operator.
747         (s<code>_<mode>_24): Rewrite to...
748         (cstore<mode>4_24): ... this, using match_operator.
749         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
750         m32c_unpend_compare, m32c_expand_scc): Delete.
751         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
752         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
753         (m32c_expand_movcc): Change NE to EQ if necessary.
754         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
755
756         * config/m32r/m32r-protos.h (gen_cond_store): New.
757         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
758         (gen_cond_store): New, from sCC patterns.
759         (m32r_expand_block_move): Use cbranchsi4.
760         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
761         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
762         (cbranchsi4, cstoresi4): New.
763         
764         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
765         Delete.
766         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
767         (m68hc11_notice_update_cc): Look into a compare with 0.
768         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
769         Delete.
770         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
771         cmphi, cmpqi, bCC): Delete.
772         (cbranchsi4, cbranchhi4, cbranchqi4): New.
773         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
774         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
775         sets with COMPARE.
776
777         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
778         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
779         * config/m68k/constraints.md (H): New.
780         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
781         the define_insn below.
782         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
783         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
784         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
785         patterns): Wrap RHS with COMPARE.
786         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
787         (*cmpdi_internal): Name this pattern.
788         (cmpdi): Change to define_insn.
789         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
790         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
791         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
792         predicate.
793         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
794         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
795         (conditional_trap): Change to...
796         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
797         (*conditional_trap): Use the ordered_comparison_operator and
798         const1_operand predicates.
799         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
800         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
801         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
802         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
803
804         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
805         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
806         (mcore_gen_compare): New. 
807         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
808         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
809         (mcore_gen_compare): ... this.
810         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
811         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
812         (stack probe pattern): Use cbranchsi4.
813
814         * config/mips/predicates.md (mips_cstore_operator): New.
815         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
816         * config/mips/mips.md (any_cond): Delete.
817         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
818         always succeed.
819         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
820         fixuns_truncsfdi2): Use cbranch patterns.
821         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
822         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
823         Adjust call to mips_expand_conditional_branch.
824         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
825         cstore<GPR:mode>4.
826         * config/mips/mips-protos.h (mips_expand_conditional_branch,
827         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
828         * config/mips/mips.c (cmp_operands): Delete.
829         (mips_emit_compare): Get comparison operands from *op0/*op1.
830         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
831         that it succeeds.  Use op0/op1 instead of cmp_operands.
832         (mips_expand_conditional_branch, mips_expand_conditional_move,
833         mips_expand_conditional_trap): Likewise.
834         (mips_block_move_loop): Use cbranch patterns. 
835         * config/mips/mips.h (cmp_operands): Delete.
836
837         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
838         (mmix_gen_compare_reg): Just return a register in the right CC mode.
839         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
840         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
841         (*cmpcc_folded): Rename to...
842         (*cmpdi_folded): this.
843         (*cmpcc): Rename to...
844         (*cmps): ... this.
845         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
846         (bCC): Remove.
847         (cbranchdi4): New.
848         (cbranchdf4): New.  Handle invalid comparisons here.
849         * config/mmix/predicates.md (float_comparison_operator): New.
850
851         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
852         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
853         * config/mn10300/mn10300.md (tst): Delete.
854         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
855         Name these patterns and wrap RHS in a compare.
856         (*cmpsi): Make this pattern private.  Include tst.
857         (*cmpsf): Make this pattern private.
858         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
859         (compare with zero peepholes): Likewise.
860         (bCC): Remove.
861         (cbranchsi4, cbranchsf4): New.
862         (casesi): Use cbranchsi4.
863
864         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
865         hppa_branch_type): Delete.
866         (return_addr_rtx): Use cbranchsi4.
867         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
868         Emit CCFPmode comparison here.
869         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
870         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
871         hppa_branch_type): Delete.
872         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
873         (movsicc, movdicc): Remove references to hppa_compare_op0,
874         hppa_compare_op1 and compare_from_rtx.
875         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
876         (casesi): Use cbranchsi4.
877
878         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
879         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
880         * config/pdp11/pdp11.md (register_or_const0_operand): New.
881         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
882         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
883         (bCC): Delete.
884         (cbranchdf4, cbranchhi4, cbranchqi4): New.
885         (*branch, *branch_inverted): New.
886
887         * config/picochip/picochip.md (cbranchhi4): Use
888         ordered_comparison_operator.
889         (cmphi, bCC): Remove.
890
891         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
892         (trap_comparison_operator): Delete.
893         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
894         rs6000_emit_cbranch): Accept mode and operands.
895         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
896         rs6000_compare_fp_p): Delete.   
897         (rs6000_generate_compare): Accept mode and comparison.  Extract code
898         and op0/op1 from there.  Replace references to rs6000_compare_op0
899         and rs6000_compare_op1.
900         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
901         extract result from passed operands.
902         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
903         extract loc from passed operands.
904         (rs6000_emit_cmove): Likewise.
905         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
906         rs6000_compare_fp_p): Delete.
907         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
908         (cbranch<GPR>4, cbranch<FP>4): New.
909         (cstore<mode>4): New.  Consolidate here all choices about when to use
910         portable or specialized sCC sequences.
911         (stack_protect_test): Use cbranchsi4.
912         (conditional_trap): Replace with ctrap<GPR>4.
913         (conditional trap insn): Replace trap_comparison_operator with
914         ordered_comparison_operator. 
915
916         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
917         (s390_emit_prologue): Use ctrap.
918         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
919         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
920         New predicates replacing...
921         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
922         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
923         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
924         (add<mode>cc): Do not use s390_compare_op0/op1.
925         (s<code>): Change to...
926         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
927         (seq): Change to...
928         (cstorecc4): ... this.  Handle EQ or NE equally.
929         (*sne): Un-privatize for use in cstorecc4.
930         (b<code>): Change to...
931         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
932         (conditional_trap): Replace with...
933         (ctrap<GPR>4, ctrap<FP>4): ... these.
934         (stack_protect): Use cbranchcc4.
935
936         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
937         * config/score/score-protos.h (score_gen_cmp): Delete.
938         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
939         (score_block_move-loop): Use cbranchsi4.
940         * config/score/score.md (cbranchsi4): New.
941         (cmpsi, bCC): Delete.
942         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
943         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
944         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
945         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
946         * config/score/score3.h (score3_gen_cmp): Delete.
947         * config/score/score7.h (score7_gen_cmp): Delete.
948
949         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
950         (sh_emit_scc_to_t): ... this.  Return void.
951         (from_compare): Rename to...
952         (sh_emit_compare_and_branch): ... this.
953         (sh_emit_compare_and_set): New.
954         (sh_expand_t_scc): Accept operands.
955         * config/sh/predicates.md (sh_float_comparison_operator): New.
956         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
957         (prepare_scc_operands): Rename to...
958         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
959         arguments.
960         (sh_emit_cheap_store_flag): New.
961         (sh_emit_set_t_insn): New.
962         (from_compare): Rename to...
963         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
964         handling of TARGET_SH2E floating point to avoid recursive call.
965         Generate branch here.
966         (sh_emit_compare_and_set): New.
967         (sh_expand_t_scc): Get op0/op1 from arguments.
968         (sh_emit_cheap_store_flag): New.
969         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
970         cases.
971         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
972         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
973         (movsicc, movdicc): Do nothing when it recreated operands from
974         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
975         prepare_scc_operands (now sh_emit_scc_to_t).
976         (udivdi3): Use cstoresi4.
977         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
978         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
979         (cbranchint4_media, cbranchfp4_media): New.
980         (casesi): Use cbranchdi4.
981         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
982         Delete.
983         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
984         (movnegt): Remove second operand.
985         (cbranchsf4, cbranchdf4): New.
986         (stack_protect): Use cbranchdi4/cbranchsi4.
987
988         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
989         (gen_compare_reg): Accept comparison, extract part of it to...
990         (gen_compare_reg_1): ... this. 
991         (gen_compare_operator): Delete.
992         (gen_v9_scc): Accept separate destination, comparison code and arms.
993         Do not use sparc_compare_op0/sparc_compare_op1.
994         (emit_scc_insn, emit_conditional_branch_insn): New.
995         (emit_v9_brxx): Make static.  Remove useless assertion.
996         (sparc_emit_float_lib_cmp): Return RTL instead of calling
997         emit_cmp_insn.
998         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
999         * config/sparc/sparc-protos.h (gen_compare_reg,
1000         sparc_emit_float_lib_cmp): Adjust prototype.
1001         (emit_scc_insn, emit_conditional_branch_insn): New.
1002         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1003         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1004         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1005         iterators to the top.
1006         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1007         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1008         snedi_special_trunc): Delete.
1009         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1010         and snedi_special_trunc.
1011         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1012         cbranchdi4, cbranch<F:mode>4): New.
1013         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1014         here.  Use gen_compare_reg instead of gen_compare_operator.
1015         (conditional_trap): Replace with...
1016         (ctrapsi4, ctrapdi4): ... this.
1017         (stack_protect_test): Use cbranchcc4.
1018
1019         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1020         argument to rtx.
1021         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1022         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1023         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1024         from operands[0] or operands[3] depending on is_set.
1025         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1026         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1027         cmpdf, bCC), sCC: Remove.
1028         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1029         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1030         cstoredf4): New.
1031         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1032         spu_emit_branch_or_set.
1033
1034         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1035         Add two arguments.
1036         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1037         xstormy16_compare_op1): Delete.
1038         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1039         xstormy16_compare_op1): Delete. 
1040         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1041         Adjust calls.
1042         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1043         (cmphi, cmpsi, bCC): Remove.
1044
1045         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1046         (*cmpsi): ... this one.
1047         (cbranchsi4, cstoresi4): New.
1048         (bCC expanders): Delete.
1049         (sCC insns): Fold into...
1050         (*setcc): ... this one.
1051         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1052         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1053         (movsicc): Simplify.
1054         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1055
1056         * config/vax/vax-protos.h (cond_name): New.
1057         (vax_output_conditional_branch): Remove.
1058         * config/vax/vax.c (cond_name): New.
1059         (vax_output_conditional_branch): Remove.
1060         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1061         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1062         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1063         (bit<VAXint>): Wrap source with (compare).
1064         (b<code> and following unnamed pattern): Rename to *branch and
1065         *branch_reversed.  Change macroization to match_operator.
1066         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1067
1068         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1069         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1070         Change last argument to machine_mode.
1071         (xtensa_expand_scc): Add machine_mode argument.
1072         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1073         (gen_conditional_move, xtensa_expand_conditional_branch,
1074         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1075         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1076         Adjust operand numbers.
1077         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1078         Delete.
1079         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1080         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1081         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1082
1083 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1084
1085         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1086         causes spurious differences between trunk and cond-optab branch.
1087
1088 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1089
1090         PR target/37137
1091         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1092
1093 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1094
1095         * tree.c (iterative_hash_pointer): Delete.
1096         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1097         Hash UIDs and versions of SSA names.  Don't special-case built-in
1098         function declarations.
1099
1100 2009-05-11  Ian Lance Taylor  <iant@google.com>
1101
1102         PR bootstrap/40103
1103         * graphite.c: Force -Wc++-compat to only be a warning before
1104         #including "cloog/cloog.h".
1105
1106 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1107
1108         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1109         
1110 2009-05-11  Jan Hubicka  <jh@suse.cz>
1111
1112         * tree-ssa-loop-ivcanon.c: Include target.h
1113         (struct loop_size): new structure.
1114         (constant_after_peeling): New predicate.
1115         (tree_estimate_loop_size): New function.
1116         (estimated_unrolled_size): Rewrite for new estimates.
1117         (try_unroll_loop_completely): Use new estimates.
1118         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1119
1120 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1121
1122         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1123         libcpp interface change.
1124         (spu_macro_to_expand): Likewise.
1125
1126 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1127
1128         PR tree-optimization/40026
1129         * gimplify.c (gimplify_init_constructor): Change initial conditional
1130         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1131         optimize_compound_literals_in_ctor.
1132
1133 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1134
1135         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1136         New devices.
1137         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1138
1139 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1140
1141         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1142         HOST_WIDE_INT for gap.
1143
1144 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1145
1146         PR tree-optimization/40074
1147         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1148         account in group size and step comparison.
1149
1150 2009-05-11  Richard Guenther  <rguenther@suse.de>
1151
1152         * passes.c (init_optimization_passes): Strip now incorrect comment.
1153         (execute_function_todo): Do not set PROP_alias.
1154         * tree-pass.h (PROP_alias): Remove.
1155         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1156         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1157         * tree-nrv.c (pass_return_slot): Likewise.
1158         * tree-object-size.c (pass_object_sizes): Likewise.
1159         * tree-ssa-dom.c (pass_dominator): Likewise.
1160         (pass_phi_only_cprop): Likewise.
1161         * tree-ssa-dse.c (pass_dse): Likewise.
1162         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1163         (pass_cselim): Likewise.
1164         * tree-ssa-pre.c (pass_pre): Likewise.
1165         (pass_fre): Likewise.
1166         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1167         * tree-ssa-sink.c (pass_sink_code): Likewise.
1168         * tree-stdarg.c (pass_stdarg): Likewise.
1169         * tree-tailcall.c (pass_tail_calls): Likewise.
1170         * tree-vrp.c (pass_vrp): Likewise.
1171
1172 2009-05-10  Ian Lance Taylor  <iant@google.com>
1173
1174         * basic-block.h (enum profile_status): Break out of struct
1175         control_flow_graph.
1176         * cgraph.h (struct inline_summary): Break out of struct
1177         cgraph_local_info.
1178         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1179         of struct cgraph_order_sort.
1180         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1181         * cse.c (struct branch_path): Break out of struct
1182         cse_basic_block_data.
1183         * except.h (enum eh_region_type): Break out of struct eh_region.
1184         * gcc.c (enum add_del): Break out of struct modify_target.
1185         * genrecog.c (enum decision_type): Break out of struct decision_test.
1186         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1187         ggc_pch_data.
1188         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1189         * regmove.c (enum match_use): New enum, broken out of struct match.
1190         * sched-int.h (enum post_call_group): New enum, broken out of
1191         struct deps.
1192         (struct deps_reg): Break out of struct deps.
1193         * target.h (struct asm_int_op): Break out of struct gcc_target.
1194         * tree-eh.c (struct goto_queue_node): Break out of struct
1195         leh_tf_state.
1196         * tree-inline.h (enum copy_body_cge_which): Break out of
1197         copy_body_data.
1198         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1199
1200         * c-decl.c (in_struct, struct_types): New static variables.
1201         (pushtag): Add loc parameter.  Change all callers.
1202         (lookup_tag): Add ploc parameter.  Change all callers.
1203         (check_compound_literal_type): New function.
1204         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1205         -Wc++-compat, warn about struct/union/enum types defined within a
1206         struct or union.
1207         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1208         and loc parameters.  Change all callers.  Change error calls to
1209         error_at, using loc.  For a redefinition, if the location of the
1210         original definition is known, report it.  Set in_struct and
1211         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1212         (finish_struct): Add new parameters enclosing_in_struct and
1213         enclosing_struct_types.  Change all callers.  Set
1214         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1215         in the struct.  If in a struct, add this struct to struct_types.
1216         (start_enum): Add loc parameter.  Change all callers.  Use
1217         error_at for errors, using loc.  For a redefinition, if the
1218         location of the original definition is known, report it.  If in a
1219         struct, add this enum type to struct_types.  If -Wc++-compat warn
1220         if in sizeof, typeof, or alignof.
1221         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1222         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1223         (c_parser_enum_specifier): Get enum location for start_enum.
1224         (c_parser_struct_or_union_specifier): Get struct location for
1225         start_struct.  Save in_struct and struct_types status between
1226         start_struct and finish_struct.
1227         (c_parser_cast_expression): Get location of cast.
1228         (c_parser_alignof_expression): Get location of type.
1229         (c_parser_postfix_expression): Likewise.
1230         (c_parser_postfix_expression_after_paren_type): Add type_loc
1231         parameter.  Change all callers.  Call check_compound_literal_type.
1232         Use type_loc for error about variable size type.
1233         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1234         of an enum constant from an enum type defined in a struct or union.
1235         (c_cast_expr): Add loc parameter.  Change all callers.  If
1236         -Wc++-compat, warn about defining a type in a cast.
1237         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1238         (start_enum, start_struct, finish_struct): Update declarations.
1239         (parser_xref_tag, c_cast_expr): Update declarations.
1240         (check_compound_literal_type): Declare.
1241
1242 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1243
1244         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1245         for recent libcpp interface change.
1246         (rs6000_macro_to_expand): Likewise.
1247
1248 2009-05-10  Michael Matz  <matz@suse.de>
1249
1250         PR target/40031
1251         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1252         not at entry of function.
1253
1254 2009-05-10  Richard Guenther  <rguenther@suse.de>
1255
1256         PR tree-optimization/40081
1257         Revert
1258         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1259         using the main variant of the element type.  Do not fiddle with
1260         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1261
1262         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1263         structs with volatile fields.
1264
1265 2009-05-10  Jan Hubicka  <jh@suse.cz>
1266
1267         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1268         (estimate_move_cost): Assert that it does not get called for
1269         VOID_TYPE_P.
1270         (estimate_num_insns): Skip VOID types in argument handling.
1271         (optimize_inline_calls): Delete unreachable blocks and verify that
1272         callgraph is valid.
1273
1274 2009-05-10  Jan Hubicka  <jh@suse.cz>
1275
1276         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1277         * cgraph.c (cgraph_mark_address_taken_node): New function.
1278         (dump_cgraph_node): Dump new flag.
1279         * cgraph.h (struct cgraph_node): Add address_taken.
1280         (cgraph_mark_address_taken_node): New function.
1281         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1282         since new direct calls can be born.
1283
1284 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1285
1286         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1287         tok->val.node.node.
1288
1289 2009-05-10  Jan Hubicka  <jh@suse.cz>
1290
1291         PR middle-end/40084
1292         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1293         argument; rewrite.
1294         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1295         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1296         * tree-inline.c (copy_bb): Set frequency correctly.
1297         (fold_marked_statements): Update call to
1298         cgraph_update_edges_for_call_stmt.
1299
1300 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1301
1302         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1303         identifiers in diagnostics.
1304         * config/arm/arm.c (arm_handle_fndecl_attribute,
1305         arm_handle_isr_attribute): Likewise.
1306         * config/avr/avr.c (avr_handle_progmem_attribute,
1307         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1308         Likewise.
1309         * config/bfin/bfin.c (handle_int_attribute,
1310         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1311         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1312         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1313         Likewise.
1314         * config/darwin.c (darwin_handle_kext_attribute,
1315         darwin_handle_weak_import_attribute): Likewise.
1316         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1317         h8300_handle_eightbit_data_attribute,
1318         h8300_handle_tiny_data_attribute): Likewise.
1319         * config/i386/i386.c (ix86_handle_cconv_attribute,
1320         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1321         Likewise.
1322         * config/i386/winnt.c (ix86_handle_shared_attribute,
1323         ix86_handle_selectany_attribute): Likewise.
1324         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1325         * config/m32c/m32c.c (function_vector_handler): Likewise.
1326         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1327         m68hc11_handle_fntype_attribute): Likewise.
1328         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1329         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1330         * config/mips/mips.c (mips_insert_attributes,
1331         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1332         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1333         rs6000_handle_struct_attribute): Likewise.
1334         * config/sh/sh.c (sh_insert_attributes,
1335         sh_handle_resbank_handler_attribute,
1336         sh_handle_interrupt_handler_attribute,
1337         sh2a_handle_function_vector_handler_attribute,
1338         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1339         Likewise.
1340         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1341         * config/spu/spu.c (spu_handle_fndecl_attribute,
1342         spu_handle_vector_attribute): Likewise.
1343         * config/stormy16/stormy16.c
1344         (xstormy16_handle_interrupt_attribute): Likewise.
1345         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1346         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1347
1348 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1349
1350         * pretty-print.h (struct pretty_print_info): Add
1351         translate_identifiers.
1352         (pp_translate_identifiers): New.
1353         (pp_identifier): Only conditionally translate identifier to locale
1354         character set.
1355         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1356         (pp_base_tree_identifier): Only conditionally translate identifier
1357         to locale character set.
1358         * c-pretty-print.c (M_): Define.
1359         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1360         fragments for conditional translation with M_.
1361         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1362         identifier translation.
1363
1364 2009-05-10  Richard Guenther  <rguenther@suse.de>
1365
1366         PR tree-optimization/40081
1367         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1368         using the main variant of the element type.  Do not fiddle with
1369         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1370
1371 2009-05-09  Jan Hubicka  <jh@suse.cz>
1372
1373         PR middle-end/40080
1374         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1375         indirect calls; verify cgraph afterwards.
1376
1377 2009-05-09  Jan Hubicka  <jh@suse.cz>
1378
1379         PR bootstrap/40082
1380         * ipa.c (update_inlined_to_pointer): New function.
1381         (cgraph_remove_unreachable_nodes): Use it.
1382
1383 2009-05-09  Jan Hubicka  <jh@suse.cz>
1384
1385         * tree-eh.c (struct leh_state): Remove prev_try.
1386         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1387         not track prev_try.
1388         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1389         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1390         remove_eh_handler_and_replace, foreach_reachable_handler,
1391         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1392         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1393         (gen_eh_region_cleanup): Update prototype.
1394
1395 2009-05-09  Jan Hubicka  <jh@suse.cz>
1396
1397         PR middle-end/40043
1398         * except.c (copy_eh_region): Always set prev_try.
1399         (redirect_eh_edge_to_label): Find outer try.
1400         (foreach_reachable_handler): When looking for prev try
1401         handle case where previous try is not going to be taken.
1402
1403 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1404
1405         PR tree-optimization/40049
1406         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1407         only vector/vector shifts, convert the type of the constant to the
1408         appropriate type to avoid building incorrect trees, which
1409         eventually have problems with garbage collection.
1410
1411 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1412
1413         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1414         -1 for complex floating-point types if honoring signed zeros.
1415
1416 2009-05-08  Jan Hubicka  <jh@suse.cz>
1417
1418         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1419         argument; handle correctly when profile is absent.
1420         (build_cgraph_edges): Update.
1421         (rebuild_cgraph_edges): Update.
1422         * cgraph.c: Do not include varray.h.
1423         (cgraph_set_call_stmt_including_clones): New function.
1424         (cgraph_create_edge_including_clones): Likewise
1425         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1426         (cgraph_update_edges_for_call_stmt): Handle clones.
1427         (cgraph_remove_node): Handle clone tree.
1428         (cgraph_remove_node_and_inline_clones): New function.
1429         (dump_cgraph_node): Dump clone tree.
1430         (cgraph_clone_node): Handle clone tree.
1431         (clone_function_name): Bring here from tree-inline.c.
1432         (cgraph_create_virtual_clone): New function.
1433         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1434         (cgraph_clone_info): New function.
1435         (strut cgraph_node): Add clone_info and new clone tree pointers.
1436         (cgraph_remove_node_and_inline_clones,
1437         cgraph_set_call_stmt_including_clones,
1438         cgraph_create_edge_including_clones,
1439         cgraph_create_virtual_clone): Declare.
1440         (cgraph_function_versioning): Use VEC argument.
1441         (compute_call_stmt_bb_frequency): Update prototype.
1442         (cgraph_materialize_all_clones): New function.
1443         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1444         (ipcp_create_replace_map): Update to VECtors.
1445         (ipcp_update_callgraph): Use virtual clones.
1446         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1447         (ipcp_update_profiling): Do not update local profiling.
1448         (ipcp_insert_stage): Use VECtors and virtual clones.
1449         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1450         (clone_of_p): New function.
1451         (cgraph_preserve_function_body_p): Use clone tree.
1452         (cgraph_optimize): Materialize clones.
1453         (cgraph_function_versioning): Update for VECtors.
1454         (save_inline_function_body): Use clone tree.
1455         (cgraph_materialize_clone): New function.
1456         (cgraph_materialize_all_clones): Likewise.
1457         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1458         * ipa.c: Include gimple.h.
1459         (cgraph_remove_unreachable_nodes): Use clone tree.
1460         * ipa-prop.c (ipa_note_param_call): Update call to
1461         compute_call_stmt_bb_frequencycall.
1462         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1463         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1464         (copy_bb): Handle updating of clone tree; add new edge when new call
1465         appears.
1466         (expand_call_inline): Be strict about every call having edge.
1467         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1468         (delete_unreachable_blocks_update_callgraph): New function.
1469         (tree_function_versioning): Use VECtors; always remove unreachable
1470         blocks and fold conditionals.
1471         * tree-inline.h: Do not include varray.h.
1472         (tree_function_versioning): Remove.
1473         * Makefile.in (GTFILES): Remove tree-inline.c
1474         * passes.c (do_per_function): Do only functions having body.
1475         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1476         tree.
1477
1478 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1479             Andrew Morrow  <acm@google.com>
1480
1481         PR c/36892
1482         * c-common.c (c_common_attribute_table): Permit deprecated
1483         attribute to take an optional argument.
1484         (handle_deprecated_attribute): If the optional argument to
1485         __attribute__((deprecated)) is not a string ignore the attribute
1486         and emit a warning.
1487
1488         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1489         * c-typeck.c (build_component_ref): Likewise.
1490         (build_external_ref): Likewise.
1491
1492         * toplev.c (warn_deprecated_use): Add an attribute argument.
1493         Emit the message associated with __attribute__((deprecated)).
1494
1495         * toplev.h (warn_deprecated_use): Updated.
1496
1497         * doc/extend.texi: Document new optional parameter to
1498         __attribute__((deprecated))
1499
1500 2009-05-08  Michael Eager <eager@eagercon.com>
1501
1502         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1503         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1504
1505 2009-05-08  Richard Guenther  <rguenther@suse.de>
1506
1507         PR tree-optimization/40062
1508         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1509         Avoid exponential behavior.
1510
1511 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1512
1513         PR rtl-optimization/33928
1514         PR 26854
1515         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1516         process_uses, build_single_def_use_links): New.
1517         (update_df): Update use_def_ref.
1518         (forward_propagate_into): Use get_def_for_use instead of use-def
1519         chains.
1520         (fwprop_init): Call build_single_def_use_links and let it initialize
1521         dataflow.
1522         (fwprop_done): Free use_def_ref.
1523         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1524         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1525         df_rd_simulate_one_insn): New.
1526         (df_rd_bb_local_compute_process_def): Update head comment.
1527         (df_chain_create_bb): Use the new RD simulation functions.
1528         * df.h (df_rd_simulate_artificial_defs_at_top, 
1529         df_rd_simulate_one_insn): New.
1530         * opts.c (decode_options): Enable fwprop at -O1.
1531         * doc/invoke.texi (-fforward-propagate): Document this.
1532
1533 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1534
1535         PR c/24581
1536         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1537         and one complex operand specially.
1538         * tree-complex.c (some_nonzerop): Do not identify a real value as
1539         zero if flag_signed_zeros.
1540
1541 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1542
1543         PR rtl-optimization/33928
1544         * loop-invariant.c (record_use): Fix && vs. || mishap.
1545
1546 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1547
1548         PR rtl-optimization/33928
1549         * loop-invariant.c (struct use): Add addr_use_p.
1550         (struct def): Add n_addr_uses.
1551         (struct invariant): Add cheap_address.
1552         (create_new_invariant): Set cheap_address.
1553         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1554         (record_uses): Pass df_ref to record_use.
1555         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1556         used only as such.
1557
1558 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1559
1560         * config/sh/sh.c: Do not include c-pragma.h.
1561
1562 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1563
1564         * config/spu/spu.c: Remove include of c-common.h.
1565
1566 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1567
1568         PR c/39037
1569         * c-common.h (mark_valid_location_for_stdc_pragma,
1570         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1571         clear_float_const_decimal64, float_const_decimal64_p): New.
1572         * c.opt (Wunsuffixed-float-constants): New.
1573         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1574         unsuffixed float constant, handle new warning.
1575         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1576         * c-decl.c (c_scope): New flag float_const_decimal64.
1577         (set_float_const_decimal64, clear_float_const_decimal64,
1578         float_const_decimal64_p): New.
1579         (push_scope): Set new flag.
1580         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1581         to use STDC pragmas.
1582         (c_parser_external_declaration): Ditto.
1583         (c_parser_compound_statement_nostart): Ditto.
1584         * c-pragma.c (valid_location_for_stdc_pragma,
1585         mark_valid_location_for_stdc_pragma,
1586         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1587         handle_pragma_float_const_decimal64): New.
1588         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1589         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1590         set_float_const_decimal64, clear_float_const_decimal64,
1591         float_const_decimal64_p): New dummy functions.
1592         * doc/extend.texi (Decimal Float): Remove statement that the
1593         pragma, and suffix for double constants, are not supported.
1594         * doc/invoke.texi (Warning Options): List new option.
1595         (-Wunsuffixed-float-constants): New.
1596
1597 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1598
1599         * config/i386/i386.c: Do not include c-common.h.
1600
1601 2009-05-07  Mark Heffernan  <meheff@google.com>
1602
1603         * doc/invoke.texi (Debugging Options): Document change of debugging
1604         dump location.
1605         * opts.c (decode_options): Make dump_base_name relative to
1606         aux_base_name directory.
1607
1608 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1609
1610         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1611         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1612
1613 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1614
1615         * Makefile.in (install-plugin): Simplify a bit.
1616
1617 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1618
1619         * Makefile.in (OBJS-common): Add regcprop.o.
1620         (regcprop.o): New.
1621         * timevar.def (TV_CPROP_REGISTERS): New.
1622         * regrename.c (regrename_optimize): Return 0.
1623         (rest_of_handle_regrename): Delete.
1624         (pass_rename_registers): Point to regrename_optimize.
1625         (struct value_data_entry, struct value_data, 
1626         kill_value_one_regno, kill_value_regno, kill_value,
1627         set_value_regno, init_value_data, kill_clobbered_value,
1628         kill_set_value, kill_autoinc_value, copy_value,
1629         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1630         replace_oldest_value_reg, replace_oldest_value_addr,
1631         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1632         debug_value_data, validate_value_data): Move...
1633         * regcprop.c: ... here.
1634         (rest_of_handle_cprop): Delete.
1635         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1636
1637 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1638
1639         PR middle-end/40057
1640         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1641         GEN_INT for 1 << bitnum.
1642         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1643         build_int_cst_type.
1644
1645 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1646
1647         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1648         Remove wrong description of "nand" operation.
1649
1650 2009-05-06  Richard Guenther  <rguenther@suse.de>
1651             Adam Nemet  <anemet@caviumnetworks.com>
1652
1653         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1654         comment.  Add that if LHS is not a gimple register, then RHS1 has
1655         to be a single object (GIMPLE_SINGLE_RHS).
1656
1657 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1658
1659         * expr.c (get_def_for_expr): Move it up in the file.
1660         (store_field): When expanding a bit-field store, look at the
1661         defining gimple stmt for the masking conversion.
1662
1663 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1664
1665         PR middle-end/39986
1666         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1667         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1668         32-bit memcpy into long.
1669
1670 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1671
1672         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1673         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1674         new_reg_loc_descr.
1675         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1676         instead of appending DW_OP_deref*.
1677
1678 2009-05-06  Michael Matz  <matz@suse.de>
1679
1680         PR middle-end/40021
1681         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1682         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1683
1684 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1685
1686         * Makefile.in (install-plugin): Fix srcdir handling.
1687
1688 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1689
1690         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1691         when processing for not_regs_needed bitmap.
1692         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1693         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1694         handling it for rhs. 
1695
1696 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1697
1698         * config/i386/i386.md (unnamed inc/dec peephole): Use
1699         optimize_insn_for_size_p instead of optimize_size.
1700         * config/i386/predicates.md (incdec_operand): Likewise.
1701         (aligned_operand): Likewise.
1702         * config/i386/sse.md (divv8sf3): Likewise.
1703         (sqrtv8sf2): Likewise.
1704
1705 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1706
1707         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1708
1709         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1710
1711 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1712
1713         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1714         ssemodesuffixf2c with avxmodesuffixf2c.
1715
1716 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1717
1718         PR c/40032
1719         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1720
1721 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1722
1723         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1724         (struct tree_base): Adjust spacing for 8 bit boundaries.
1725         (struct tree_decl_common): Add decl_by_reference_flag bit.
1726         (DECL_BY_REFERENCE): Adjust.
1727         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1728         print DECL_BY_REFERENCE bit.
1729         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1730         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1731         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1732         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1733         unconditionally.
1734
1735         PR middle-end/39666
1736         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1737         range of the type, but default label is missing, add it with one
1738         of the existing labels instead of adding a new label for it.
1739
1740 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1741
1742         * dwarf.h: Remove.
1743
1744 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1745
1746         * Makefile.in (enable_plugin, plugin_includedir): New.
1747         (install): Depend on install-plugin.
1748         (PLUGIN_HEADERS): New.
1749         (install-plugin): New.
1750         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1751
1752 2009-05-05  Richard Guenther  <rguenther@suse.de>
1753
1754         PR tree-optimization/40022
1755         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1756         the only vuse.
1757         (phivn_valid_p): Fix tuplification error, simplify.
1758         (phiprop_insert_phi): Add dumps.
1759         (propagate_with_phi): Simplify.
1760
1761 2009-05-05  Richard Guenther  <rguenther@suse.de>
1762
1763         PR middle-end/40023
1764         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1765
1766 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1767
1768         * tree.h (strip_float_extensions): Remove duplicate declaration.
1769         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1770         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1771         block_ultimate_origin): Rearrange the declarations line to match the
1772         comment that indicates the .c file which the functions are defined.
1773         (dwarf2out_*, set_decl_rtl): Add comment.
1774         (get_base_address): Adjust comment.
1775         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1776         declarations line and add comment.
1777         (is_builtin_name): Add blank after function name, for clarity.
1778
1779 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1780
1781         * attribs.c (decl_attributes): Use %qE for identifiers in
1782         diagnostics.
1783         * cgraphunit.c (verify_cgraph_node): Translate function names to
1784         locale character set in diagnostics.
1785         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1786         diagnostics.
1787         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1788         Document that functions are named in UTF-8.
1789         * expr.c (expand_expr_real_1): Translate function names to locale
1790         character set in diagnostics.
1791         * gimplify.c (omp_notice_variable, omp_is_private,
1792         gimplify_scan_omp_clauses): Use %qE for identifiers in
1793         diagnostics.
1794         * langhooks.c (lhd_print_error_function): Translate function names
1795         to locale character set.
1796         * langhooks.h (decl_printable_name): Document that return value is
1797         in internal character set.
1798         * stmt.c: Include pretty-print.h
1799         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1800         diagnostics.
1801         (resolve_operand_name_1): Translate named operand name to locale
1802         character set.
1803         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1804         diagnostics.
1805         * toplev.c (announce_function): Translate function names to locale
1806         character set.
1807         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1808         (default_tree_printer): Use pp_identifier or translate identifiers
1809         to locale character set.  Mark "<anonymous>" for translation.
1810         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1811         for identifiers in diagnostics.
1812         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1813         diagnostics.
1814         * varasm.c (output_constructor): Use %qE for identifiers in
1815         diagnostics.
1816
1817 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1818
1819         * configure.ac: use ` ` instead of $()
1820         * configure: Regenerate.
1821
1822 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1823
1824         * config/pa/linux-atomic.c: Eliminate conditional include of
1825         errno.h on non-LP64 systems to simplify build requirements.
1826
1827 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1828
1829         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1830         diagnostics.
1831         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1832         and pass value to identifier_to_locale.
1833         (warn_variable_length_array): Make name a tree.
1834         (grokdeclarator): Separate diagnostic texts for named and unnamed
1835         declarators.  Use %qE for named declarators.
1836         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1837         diagnostics.
1838         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1839         identifiers in diagnostics.
1840         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1841         identifier_to_locale.  Mark "anonymous" strings for translation.
1842
1843 2009-05-04  Michael Eager <eager@eagercon.com>
1844
1845         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1846         address for DImode/DFmode only if double-precision FP regs.
1847
1848 2009-05-04  Michael Eager <eager@eagercon.com>
1849
1850         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1851         TARGET_SINGLE_FLOAT check.
1852
1853 2009-05-04  Michael Eager <eager@eagercon.com>
1854
1855         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1856
1857 2009-05-04  Michael Eager <eager@eagercon.com>
1858
1859         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1860         * config/rs6000/t-xilinx: New
1861
1862 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1863
1864         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1865         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1866         * gcc/explow.c (memory_address): Use target hook.
1867         * gcc/targhooks.c (default_legitimize_address): New.
1868         * gcc/targhooks.h (default_legitimize_address): New.
1869         * gcc/target.h (legitimize_address): New.
1870         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1871         (TARGET_INITIALIZER): Include it.
1872         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1873
1874         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1875         * config/bfin/bfin.c (legitimize_address): Remove.
1876         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1877         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1878         Remove.
1879         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1880         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1881
1882         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1883         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1884         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1885         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1886         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1887         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1888         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1889         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1890         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1891         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1892         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1893         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1894         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1895         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1896         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1897         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1898         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1899         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1900         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1901         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1902         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1903         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1904         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1905
1906         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1907         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1908         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1909         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1910         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1911         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1912         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1913         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1914         (thumb_legitimize_address): Delete.
1915         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1916         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1917         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1918         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1919         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1920         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1921         Delete.
1922         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1923         Delete.
1924
1925         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1926         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1927         * config/m32r/m32r.c (m32r_legitimize_address): New.
1928         * config/m68k/m68k.c (m68k_legitimize_address): New.
1929         * config/score/score.c (score_legitimize_address): Standardize.
1930         * config/score/score3.c (score3_legitimize_address): Standardize.
1931         * config/score/score3.h (score3_legitimize_address): Adjust.
1932         * config/score/score7.c (score7_legitimize_address): Standardize.
1933         * config/score/score7.h (score7_legitimize_address): Adjust.
1934         * config/sh/sh.c (sh_legitimize_address): New.
1935         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1936
1937         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1938         (s390_legitimize_address): ... this.
1939         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1940         (sparc_legitimize_address): ... this.
1941         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1942         (ix86_legitimize_address): ... this.
1943         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1944         (avr_legitimize_address): ... this.
1945         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1946         (mn10300_legitimize_address): ... this.
1947         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1948         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1949         (alpha_expand_mov): Adjust call.
1950
1951         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1952         * config/spu/spu.c (spu_legitimize_address): Likewise.
1953         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1954         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1955
1956 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1957
1958         * intl.c (locale_encoding, locale_utf8): New.
1959         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1960         * intl.h (locale_encoding, locale_utf8): Declare.
1961         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1962         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1963         New.
1964         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1965         argument.
1966         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1967         (pp_base_tree_identifier): Declare as function.
1968         (identifier_to_locale): Declare.
1969         * Makefile.in (pretty-print.o): Update dependencies.
1970         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1971
1972 2009-05-04  Richard Guenther  <rguenther@suse.de>
1973
1974         PR middle-end/40015
1975         * builtins.c (fold_builtin_memory_op): Do not decay to element
1976         type if the size matches the whole array.
1977
1978 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1979
1980         * expmed.c (synth_mult): When trying out a shift, pass the result
1981         of a signed shift.
1982
1983 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1984
1985         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1986         (shiftsub1_cost): New.
1987         (init_expmed): Compute shiftsub1_cost.
1988         (synth_mult): Optimize multiplications by constants of the form
1989         -(2^^m-1) for some constant positive integer m.
1990
1991 2009-05-03  Richard Guenther  <rguenther@suse.de>
1992
1993         PR c/39983
1994         * c-typeck.c (array_to_pointer_conversion): Do not built
1995         ADDR_EXPRs of arrays of pointer-to-element type.
1996         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1997         up wrong ADDR_EXPRs after-the-fact.
1998         * c-common.c (strict_aliasing_warning): Strip pointer
1999         conversions for obtaining the original type.
2000         * builtins.c (fold_builtin_memset): Handle array types.
2001         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2002         and array types
2003
2004 2009-05-03  Richard Guenther  <rguenther@suse.de>
2005
2006         PR middle-end/23329
2007         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2008         Do not lose casts from array types with unknown extent to array
2009         types with known extent.
2010         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2011         alias set compatibility.
2012
2013 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2014
2015         * flags.h (extra_warnings): Delete.
2016         * toplev.c (process_options): Handle Wuninitialized here.
2017         * opts.c (extra_warnings): Delete.
2018         (set_Wextra): Delete.
2019         (common_handle_option): -Wextra can be handled automatically.
2020         * c-opts.c (c_common_handle_option): Delete obsolete code.
2021         (c_common_post_options): Simplify comment.
2022         * common.opt (W): Add Var.
2023         (Wextra): Add Var.
2024         (Wuninitialized): Initialize to -1.
2025
2026 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2027             Richard Guenther  <rguenther@suse.de>
2028
2029         * expr.c (get_def_for_expr): New function.
2030         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2031         SSA rather than trees.
2032         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2033         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2034         
2035 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2036
2037         * c-common.c (reswords): Add _Imaginary.
2038         * c-common.c (enum rid): Add RID_IMAGINARY.
2039
2040 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2041
2042         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2043         Patch by Richard Guenther.
2044
2045 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2046
2047         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2048         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2049         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2050         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2051         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2052         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2053         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2054         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2055         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2056         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2057         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2058         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2059         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2060         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2061         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2062         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2063         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2064         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2065
2066 2009-05-02  Richard Guenther  <rguenther@suse.de>
2067
2068         PR tree-optimization/39940
2069         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2070         doing so.
2071
2072 2009-05-02  Richard Guenther  <rguenther@suse.de>
2073
2074         PR middle-end/40001
2075         * tree-ssa.c (execute_update_addresses_taken): Properly check
2076         if we can mark a variable DECL_GIMPLE_REG_P.
2077         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2078         back to the end of the function.
2079         (is_gimple_reg_type): Remove complex type special casing.
2080         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2081         if not optimizing.
2082
2083 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2084
2085         * doc/collect2.texi (Collect2): Document search path behaviour
2086         when configured with --with-ld.
2087
2088 2009-05-02  Jan Hubicka  <jh@suse.cz>
2089
2090         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2091         parameter; update callers.
2092         (coalesce_cost_edge): EH edges are costier because they needs
2093         splitting even if not critical and even more costier when there are
2094         multiple EH predecestors.
2095
2096 2009-05-02  Jan Hubicka  <jh@suse.cz>
2097
2098         * except.c (remove_eh_handler_and_replace): Handle updating after
2099         removing TRY blocks.
2100
2101 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2102
2103         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2104
2105 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2106
2107         * varasm.c: Do not include c-pragma.h.
2108         * attribs.c: Do not incude c-common.h.
2109
2110 2009-05-01  Michael Matz  <matz@suse.de>
2111
2112         * calls.c (initialize_argument_information): Handle SSA names like
2113         decls with a non MEM_P DECL_RTL.
2114
2115 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2116
2117         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2118         * ipa-utils.c: Likewise.
2119         * ipa-type-escape.c: Likewise.
2120         * cgraphunit.c Do not include c-common.h.
2121         * ipa-pure-const.c: Likewise.
2122         * tree-if-conv.c: Likewise.
2123         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2124         * ipa-struct-reorg.c: Likewise.
2125         * tree-nomudflap.c: Likewise.
2126         * tree-ssa-structalias.c: Likewise.
2127
2128 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2129
2130         * store-motion.c: Many cleanups to make this pass a first-class
2131         citizen instead of an appendix to gcse load motion.  Add TODO list
2132         to make this pass faster/cleaner/better.
2133
2134         (struct ls_expr): Post gcse.c-split cleanups.
2135         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2136         "stores" field to "avail_stores".
2137         (pre_ldst_mems): Rename to store_motion_mems.
2138         (pre_ldst_table): Rename to store_motion_mems_table.
2139         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2140         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2141         (ldst_entry): Rename to st_expr_entry, update users.
2142         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2143         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2144         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2145         update caller.
2146         (first_ls_expr): Rename to first_st_expr, update users.
2147         (next_ls_expr): Rename to next_st_expr, update users.
2148         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2149         fields properly for store motion instead of names inherited from load
2150         motion in gcse.c.
2151         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2152         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2153         are done with it.
2154
2155         (ae_kill): Rename to st_kill, update users.
2156         (ae_gen): Rename to st_avloc, update users.
2157         (transp): Rename to st_transp, update users.
2158         (pre_insert_map): Rename to st_insert_map, update users.
2159         (pre_delete_map): Rename to st_delete_map, update users.
2160         (insert_store, build_store_vectors, free_store_memory,
2161         one_store_motion_pass): Update for abovementioned changes.
2162
2163         (gcse_subst_count, gcse_create_count): Remove.
2164         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2165         and "n_stores_created", local variables.
2166
2167         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2168         use for_each_rtx.
2169
2170         (regvec, compute_store_table_current_insn): Remove.
2171         (reg_set_info, reg_clear_last_set): Remove.
2172         (compute_store_table): Use DF caches instead of local dataflow
2173         solvers.
2174
2175 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2176
2177         * c-objc-common.c (c_tree_printer): Print identifiers with
2178         pp_identifier, not pp_string.  Mark "({anonymous})" for
2179         translation.
2180         * c-pretty-print.c (pp_c_ws_string): New.
2181         (pp_c_cv_qualifier, pp_c_type_specifier,
2182         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2183         pp_c_storage_class_specifier, pp_c_function_specifier,
2184         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2185         pp_c_primary_expression, pp_c_postfix_expression,
2186         pp_c_unary_expression, pp_c_shift_expression,
2187         pp_c_relational_expression, pp_c_equality_expression,
2188         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2189         use pp_string and pp_c_ws_string in place of pp_identifier and
2190         pp_c_identifier for non-identifiers.  Mark English strings for
2191         translation.
2192         * c-pretty-print.h (pp_c_ws_string): Declare.
2193
2194 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2195             Roland McGrath <roland@redhat.com>
2196
2197         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2198         (ENABLE_LD_BUILDID): New configuration option.
2199         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2200         (LINK_BUILDID_SPEC): New macro.
2201         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2202         link_spec.
2203         * doc/install.texi: Document --enable-linker-build-id option.
2204         * configure: Rebuild.
2205         * config.in: Rebuild.
2206
2207 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2208
2209         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2210         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2211         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2212         MIPS_GP_SAVE_AREA_SIZE.
2213         * config/mips/mips.c (struct mips_frame_info): Update comment
2214         before arg_pointer_offset and hard_frame_pointer_offset.
2215         (mips_compute_frame_info): Update diagram before function: to
2216         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2217         indicate the position of frame_pointer_rtx with -fstack-protector and
2218         to show args_size.  Don't allocate cprestore area for leaf functions
2219         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2220         cprestore_size.
2221         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2222
2223 2009-04-30  Michael Matz  <matz@suse.de>
2224
2225         PR tree-optimization/39955
2226         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2227
2228 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2229
2230         * ira.c (setup_cover_and_important_classes):  Use safe macro
2231         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2232         directly.
2233         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2234         REG_CLASS_FOR_CONSTRAINT.
2235
2236 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2237
2238         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2239         instead of an int.
2240         * bitmap.c (bitmap_descriptor): Likewise.
2241         * ggc-common.c (loc_descriptor): Likewise.
2242         * varray.c (varray_descriptor): Likewise.
2243         * vec.c (vec_descriptor): Likewise.
2244
2245 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2246
2247         * Makefile.in (dce.o): Add $(EXCEPT_H).
2248         * dce.c: Include except.h and delete redundant vector definitions.
2249         (deletable_insn_p): Return false for non-call insns that can throw
2250         if DF is running.
2251
2252 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2253
2254         * gcse.c (ae_gen): Remove.
2255         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2256         and make non-static function to make it available in store-motion.c.
2257         Update call sites with search-and-replace.
2258         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2259         extract_mentioned_regs, extract_mentioned_regs_helper,
2260         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2261         store_killed_in_insn, store_killed_after, store_killed_before,
2262         build_store_vectors, insert_insn_start_basic_block, insert-store,
2263         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2264         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2265         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2266         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2267         and clean up to remove parts not used by store motion.
2268         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2269         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2270
2271 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2272
2273         PR target/38571
2274         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2275         when optimizing for size.
2276
2277 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2278
2279         * gcse.c (gcse_constant_p): Fix typo in last change.
2280
2281 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2282
2283         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2284
2285 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2286
2287         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2288
2289 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2290
2291         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2292         CONST_HIGH_PART result.
2293
2294 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2295
2296         * config/avr/avr.c (initial_elimination_offset): Rename to
2297         avr_initial_elimination_offset.
2298         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2299         change return type to bool.
2300         (avr_can_eliminate): New function.
2301         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2302         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2303         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2304         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2305         avr_initial_elimination_offset.
2306         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2307         (avr_initial_elimination_offset): Define.
2308
2309 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2310             Steven Bosscher  <steven@gcc.gnu.org>
2311
2312         PR rtl-optimization/39938
2313         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2314         * cfgrtl.c: Include insn-attr.h.
2315         (rest_of_pass_free_cfg): New function.
2316         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2317         * resource.c (init_resource_info): Remove call to df_analyze.
2318
2319 2009-04-29  Richard Guenther  <rguenther@suse.de>
2320
2321         PR target/39943
2322         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2323         allow conversion to signed integers.
2324
2325 2009-04-29  Richard Guenther  <rguenther@suse.de>
2326
2327         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2328         shifts of floating point vectors if the shift amount is
2329         a constant multiple of the element size.
2330
2331 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2332             Michael Matz  <matz@suse.de>
2333
2334         PR middle-end/39927
2335         PR bootstrap/39929
2336         * tree-outof-ssa.c (emit_partition_copy): New function.
2337         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2338         insert_part_to_rtx_on_edge): Perform the partition base var
2339         copy using emit_partition_copy.
2340         (insert_value_copy_on_edge): Convert constants to the right mode.
2341         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2342         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2343
2344 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2345
2346         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2347         scan backwards to try to find a constant to initialize it.
2348
2349         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2350         insn before the loop_end instruction, don't look past labels.
2351
2352 2009-04-29  Richard Guenther  <rguenther@suse.de>
2353
2354         PR middle-end/39937
2355         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2356         loose type conversions.
2357         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2358         stmts only if there are no uses of its definition.
2359
2360 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2361
2362         * config/bfin/bfin.h (splitting_loops): Declare.
2363         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2364         Reorder bit definitions to be ascending.
2365         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2366         * config/bfin/bfin.c (splitting_loops): New variable.
2367         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2368         (struct loop_info): Remove members INIT and LOOP_INIT.
2369         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2370         the LSETUP sequence.  Allow LC to be loaded from any register, but
2371         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2372         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2373         set to 1.
2374         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2375         of reload_completed.
2376
2377         From Jie Zhang:
2378         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2379
2380 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2381
2382         * Makefile.in (PLUGIN_VERSION_H): New.
2383         (OBJS-common): Remove plugin-version.o.
2384         (plugin.o): Depend on (PLUGIN_VERSION_H).
2385         (plugin-version.o): Remove.
2386         * configure: Regenerate
2387         * configure.ac: Create plugin-version.h.
2388         * gcc-plugin.h (plugin_gcc_version): Remove.
2389         (plugin_default_version_check): Change signature.
2390         * plugin-version.c: Remove.
2391         * plugin.c: Include plugin-version.h.
2392         (str_plugin_gcc_version_name): Remove.
2393         (try_init_one_plugin): Pass gcc version to plugin_init.
2394         (plugin_default_version_check): Both gcc and plugin versions are now
2395         arguments.
2396
2397 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2398         
2399         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2400         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2401         Remove special case testing for last insn of inner loops. Don't fail
2402         if the loop ends with a jump, emit an extra nop instead.
2403
2404         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2405         DREGS rather than comparing directly.  Remove code that tries to
2406         account for latencies.
2407
2408 2009-04-29  Richard Guenther  <rguenther@suse.de>
2409
2410         PR tree-optimization/39941
2411         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2412         eliminating an indirect call.
2413
2414 2009-04-29  Richard Guenther  <rguenther@suse.de>
2415
2416         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2417         parameter.  Allow invariants as base if !require_lvalue.
2418         (verify_gimple_assign_single): Adjust.
2419
2420 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2421
2422         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2423         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2424         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2425         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2426         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2427         a VEC_SELECT.
2428         * config/bfin/bfin.c (bfin_expand_builtin,
2429         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2430
2431 2009-04-28  Richard Guenther  <rguenther@suse.de>
2432
2433         * tree-vect-loop.c (get_initial_def_for_induction): Use
2434         correct types for pointer increment.
2435
2436 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2437
2438         * toplev.c (print_version): Update GMP version string calculation.
2439
2440 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2441
2442         PR rtl-optimization/39938
2443         * resource.c (init_resource_info): Add call to df_analyze.
2444
2445 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2446
2447         * config/alpha/alpha.md (usegp): Cast the result of
2448         alpha_find_lo_sum_using_gp to enum attr_usegp.
2449         * config/alpha/alpha.c (override_options): Remove end-of-structure
2450         marker element from cpu_table.  Use array size of cpu_table to handle
2451         -mcpu and -mtune options.
2452         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2453
2454 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2455
2456         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2457         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2458         tune_32 and tune_64.
2459         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2460         support on PowerPC.
2461         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2462         * config/rs6000/option-defaults.h: ... here.  New file.
2463         (OPT_64, OPT_32): Define.
2464         (MASK_64BIT): Define to 0 if not already defined.
2465         (OPT_ARCH64, OPT_ARCH32): Define.
2466         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2467         and tune_64.
2468
2469 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2470
2471         * config/arm/arm.c (arm_override_options): Emit error on using
2472         fpa with AAPCS.
2473
2474 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2475
2476         PR rtl-optimization/39914
2477         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2478         registers for allocnos created from user-defined variables only
2479         when not optimizing.
2480
2481 2009-04-28  Richard Guenther  <rguenther@suse.de>
2482
2483         PR middle-end/39937
2484         * fold-const.c (fold_binary): Use distribute_real_division only
2485         on float types.
2486
2487 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2488
2489         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2490         add hpux-stdint.h to tm_file.
2491         (hppa[12]*-*-hpux11*): Ditto.
2492         (ia64*-*-hpux*): Ditto.
2493         * config/hpux-stdint.h: New.
2494         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2495         __STDC_EXT__ for all compiles.
2496         * config/pa/pa-hpux.h: Ditto.
2497         * config/pa/pa-hpux10.h: Ditto.
2498         * config/pa/pa-hpux11.h: Ditto.
2499
2500 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2501
2502         * debug.h (set_name): Add comment.
2503
2504 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2505
2506         PR target/39929
2507         * config/darwin.c (machopic_gen_offset): Check
2508         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2509         * config/arm/arm.c (require_pic_register): Likewise.
2510
2511 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2512
2513         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2514         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2515         m32c_promote_prototypes): Delete.
2516
2517 2009-04-28  Michael Matz  <matz@suse.de>
2518
2519         PR middle-end/39922
2520         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2521         constants.
2522
2523 2009-04-28  Richard Guenther  <rguenther@suse.de>
2524
2525         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2526
2527 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2528
2529         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2530         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2531         * config/arm/arm-tune.md: Regenerate.
2532
2533 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2534
2535         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2536         block if there are complex incoming edges.
2537         (sel_merge_blocks): Remove useless assert.
2538         (sel_redirect_edge_and_branch): Check that edge was redirected.
2539         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2540         (sel_find_rgns): Delete declaration.
2541         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2542         the region when it is not a preheader.
2543
2544 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2545
2546         PR c/39323
2547         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2548
2549 2009-04-28  Richard Guenther  <rguenther@suse.de>
2550
2551         * tree.h (SSA_NAME_VALUE): Remove.
2552         (struct tree_ssa_name): Remove value_handle member.
2553         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2554         array for jump threading.
2555         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2556         SSA_NAME_VALUEs.
2557         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2558         * tree-flow.h (threadedge_initialize_values): Declare.
2559         (threadedge_finalize_values): Likewise.
2560         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2561         (SSA_NAME_VALUE): Define.
2562         (threadedge_initialize_values): New function.
2563         (threadedge_finalize_values): Likewise.
2564         * tree-ssa-dom.c (ssa_name_values): New global variable.
2565         (SSA_NAME_VALUE): Define.
2566         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2567
2568 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2569
2570         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2571         Use REPORT_VECTORIZED_LOCATIONS instead 
2572         REPORT_VECTORIZED_LOOPS.
2573         * tree-vectorizer.c (vect_verbosity_level): Make static.
2574         (vect_loop_location): Rename to vect_location.
2575         (vect_set_verbosity_level): Update comment.
2576         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2577         and vect_location.
2578         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2579         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2580         instead REPORT_UNVECTORIZED_LOOPS.
2581         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2582         and vect_loop_def to vect_external_def and vect_internal_def.
2583         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2584         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2585         REPORT_UNVECTORIZED_LOCATIONS.
2586         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2587         and vect_used_in_loop and to vect_unused_in_scope and 
2588         vect_used_in_scope.
2589         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2590         (vect_verbosity_level): Remove declaration.
2591         (vect_analyze_operations): Likewise.
2592         (vect_analyze_stmt): Declare.
2593         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2594         REPORT_UNVECTORIZED_LOCATIONS.
2595         (vect_get_loop_niters): Fix indentation.
2596         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2597         (vect_analyze_loop_operations): New function.
2598         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2599         vect_analyze_operations.
2600         (vect_is_simple_reduction): Use new names.
2601         (vectorizable_live_operation, vect_transform_loop): Likewise.
2602         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2603         to specify whether the data references can be a part of interleaving
2604         chain.
2605         (vect_analyze_data_ref_dependence): Use new names.
2606         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2607         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2608         * tree-vect-patterns.c (widened_name_p): Use new names.
2609         (vect_recog_dot_prod_pattern): Likewise.
2610         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2611         (process_use, vect_mark_stmts_to_be_vectorized, 
2612         vect_model_simple_cost, vect_model_store_cost,
2613         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2614         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2615         vectorizable_operation, vectorizable_type_demotion,
2616         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2617         vectorizable_condition): Likewise.
2618         (vect_analyze_operations): Split into vect_analyze_loop_operations
2619         and ...
2620         (vect_analyze_stmt): ... new function.
2621         (new_stmt_vec_info): Use new names.
2622         (vect_is_simple_use): Use new names and fix comment.
2623         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2624         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2625
2626 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         PR target/39911
2629         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2630         and integer modes for x87 operands.  Do not ICE for unsupported size,
2631         generate error instead.  Generate error for unsupported operand types.
2632         ['z']: Do not handle HImode memory operands specially.  Warning
2633         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2634         types.  Do not ICE for unsupported size, generate error instead.
2635         (output_387_binary_op): Use %Z to output operands.
2636         (output_fp_compare): Ditto.
2637         (output_387_reg_move): Ditto.
2638
2639 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2640
2641         PR c++/35652
2642         Revert:
2643
2644         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2645
2646         * builtins.c (c_strlen): Do not warn here.
2647         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2648         * c-common.c (pointer_int_sum): Take an explicit location.
2649         Warn about offsets out of bounds.
2650         * c-common.h (pointer_int_sum): Adjust declaration.
2651
2652 2009-04-27  Ian Lance Taylor  <iant@google.com>
2653
2654         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2655         names to symkind.
2656         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2657         * df-core.c (df_set_flags): Change return type to int.  Change
2658         type of old_flags to int.
2659         (df_clear_flags): Likewise.
2660         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2661         (df_get_conditional_uses): Likewise.
2662         * df.h (df_set_flags, df_clear_flags): Update declarations.
2663         * dwarf2out.c (struct indirect_string_node): Change type of form
2664         field to enum dwarf_form.
2665         (AT_string_form): Change return type to enum dwarf_form.
2666         * fixed-value.c (fixed_compare): Add cast to enum type.
2667         * fwprop.c (update_df): Change 0 to VOIDmode.
2668         * gensupport.c: Change 0 to UNKNOWN.
2669         * gimple.h (gimple_cond_code): Add cast to enum type.
2670         * haifa-sched.c (reemit_notes): Add cast to enum type.
2671         * hooks.c (hook_int_void_no_regs): Remove function.
2672         * hooks.h (hook_int_void_no_regs): Remove declaration.
2673         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2674         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2675         * real.c (real_arithmetic): Add cast to enum type.
2676         (real_compare): Likewise.
2677         * target.h (struct gcc_target): Change return type of
2678         branch_target_register_class to enum reg_class.
2679         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2680         default_branch_target_register_class.
2681         * targhooks.c (default_branch_target_register_class): New function.
2682         * targhooks.h (default_branch_target_register_class): Declare.
2683         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2684         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2685         cast to int.
2686         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2687         ERROR_MARK.
2688         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2689         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2690         * tree-vect-stmts.c (supportable_widening_operation): Don't
2691         initialize icode1 and icode2.
2692         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2693         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2694         and to STD_C89.
2695         (cmn_err_flag_specs): Change 0 to STD_C89.
2696         (cmn_err_char_table): Likewise.
2697         * config/arm/arm.c (get_arm_condition_code): Change type of code
2698         to enum arm_cond_code.
2699         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2700         (IWMMXT_BUILTIN2): Likewise.
2701         (neon_builtin_type_bits): Don't define typedef.
2702         (neon_builtin_datum): Change type of bits field to int.
2703         (arm_expand_neon_args): Add cast to enum type.
2704         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2705         TLS_MODEL_NONE.
2706         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2707         casts to enum type.
2708         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2709         MIPS_FP_COND_f.
2710         * config/mips/mips.md (jal_macro): Return enum constant.
2711         (single_insn): Likewise.
2712         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2713         CODE_FOR_nothing.
2714         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2715         casts to enum type.
2716         * config/s390/s390.c (s390_tune_flags): Change type to int.
2717         (s390_arch_flags): Likewise.
2718         (s390_handle_arch_option): Change flags field of struct pta to int.
2719         * config/s390/s390.h (s390_tune_flags): Update declaration.
2720         (s390_arch_flags): Likewise.
2721         * config/sh/sh.c (prepare_move_operands): Compare
2722         tls_symbolic_operand result with enum constant.
2723         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2724         (sh_expand_prologue): Add cast to enum type.
2725         (sh_expand_epilogue): Likewise.
2726         (tls_symbolic_operand): Change return type to enum tls_model.
2727         (fpscr_set_from_mem): Add cast to enum type.
2728         (legitimize_pic_address): Compare tls_symbolic_operand result with
2729         enum constant.
2730         (sh_target_reg_class): Change return type to enum reg_class.
2731         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2732         PROCESSOR_xxx.
2733         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2734         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2735         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2736         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2737         (delayed_branch, tls_call_delay): Likewise.
2738         (eligible_for_sibcall_delay): Likewise.
2739         (eligible_for_return_delay): Likewise. 
2740         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2741         (spu_expand_builtin_1): Likewise.
2742
2743         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2744         for all types of conversions.
2745         (output_init_element): Issue -Wc++-compat warning if needed when
2746         initializing a bitfield with enum type.
2747         * c-parser.c (c_parser_expression): Set original_type to
2748         original_type of right hand operand of comman operator.
2749
2750 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2751
2752         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2753         grammar nits.
2754         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2755         * doc/cpp.texi (Standard Predefined Macros)
2756         (Implementation-defined behavior): Likewise.
2757         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2758         * doc/gimple.texi (GIMPLE Exception Handling)
2759         (@code{GIMPLE_ASSIGN}): Likewise.
2760         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2761         * doc/invoke.texi (Warning Options, Optimize Options)
2762         (AVR Options, Darwin Options): Likewise.
2763         (Optimize Options): Reformulate -fwhole-program description.
2764         * doc/loop.texi (Lambda): Likewise.
2765         * doc/md.texi (Output Template, Define Constraints)
2766         (Standard Names, Insn Splitting): Likewise.
2767         * doc/options.texi (Option properties): Likewise.
2768         * doc/passes.texi (Tree-SSA passes): Likewise.
2769         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2770         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2771         (File Names and DBX): Likewise.
2772         * doc/trouble.texi (Incompatibilities): Likewise.
2773
2774 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2775
2776         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2777         instruction is correct.
2778
2779 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2780
2781         Allow non-constant arguments to conversion intrinsics.
2782         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2783         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2784         * spu.c (print_operand): Handle 'v' and 'w'.
2785         (exp2_immediate_p, spu_gen_exp2): Define.
2786         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2787         spu_convtf_1): Update parameter descriptions.
2788         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2789         * constraints.md ('v', 'w'): New.
2790         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2791         Remove.
2792         (i2f, I2F): New define_mode_attr.
2793         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2794         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2795         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2796         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2797         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2798         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2799         patterns for combine.
2800
2801 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2802
2803         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2804         (cprop, hoist, pre, store_motion): New debug counters.
2805         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2806         is not an RTL pass anymore.
2807         (pass_profiling): Remove extern decl for pass removed in 2005.
2808         (pass_gcse, pass_jump_bypass): Remove.
2809         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2810         to 0 for clean state.
2811         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2812         * cse.c (gate_handle_cse_after_global_opts,
2813         rest_of_handle_cse_after_global_opts): New functions.
2814         (pass_cse_after_global_opts): New pass, does local CSE.
2815         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2816         (TV_CPROP): New timevar.
2817         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2818         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2819         (gcse_main, recompute_all_luids): Remove.
2820         (compute_hash_table_work): Call max_reg_num instead of reading
2821         max_gcse_regno.
2822         (cprop_jump): Don't set run_jump_opt_after_gcse.
2823         (constprop_register): Always allow to alter jumps.
2824         (cprop_insn): Likewise.
2825         (do_local_cprop): Likewise.
2826         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2827         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2828         (find_implicit_sets): Add note about missed optimization opportunity.
2829         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2830         pass_rtl_cprop execute function.
2831         Don't bother tracking the pass number, each pass gets its own dumpfile
2832         now anyway.
2833         Always allow to alter jumpsand bypass jumps.
2834         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2835         will just find no suitable set.
2836         (pre_edge_insert): Fix dumping, this function is for PRE only.
2837         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2838         pass_rtl_pre execute function.
2839         (hoist_code): Return non-zero if something changed.  Keep track of
2840         substitutions and insertions for statistics gathering similar to PRE.
2841         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2842         called from the pass_rtl_hoist execute function.  Show pass statistics.
2843         (compute_store_table): Use max_reg_num directly instead of using the
2844         formerly global max_gcse_regno.
2845         (build_store_vectors): Likewise.
2846         (replace_store_insn): Fix dumping.
2847         (store_motion): Rename to ...
2848         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2849         pass, called from the pass_rtl_store_motion execute function.  Keep
2850         track of substitutions and insertions for statistics gathering similar
2851         to PRE.
2852         (bypass_jumps): Remove, fold interesting bits into ...
2853         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2854         from the pass_rtl_cprop execute function.
2855         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2856         pass_jump_bypass): Remove.
2857         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2858         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2859         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2860         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2861         (gate_rtl_store_motion, execute_rtl_store_motion,
2862         pass_rtl_store_motion): New.
2863         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2864         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2865         * passes.c (init_optimization_passes): Remove pass_gcse and
2866         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2867         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2868         instead of pass_jump_bypass.
2869
2870 2009-04-27  Richard Guenther  <rguenther@suse.de>
2871
2872         PR middle-end/39928
2873         * gimplify.c (gimplify_expr): If we are required to create
2874         a temporary make sure it ends up as register.
2875
2876 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2877
2878         PR target/39903
2879         * config/i386/i386.c (construct_container): Don't call
2880         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2881         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2882
2883 2009-04-27  Michael Matz  <matz@suse.de>
2884
2885         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2886         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2887         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2888         (dump_replaceable_exprs): Take a bitmap.
2889         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2890         array.
2891         (expand_gimple_basic_block): Likewise.
2892         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2893         replaceable_expressions member a bitmap.
2894         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2895         (mark_replaceable): Likewise.
2896         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2897         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2898
2899 2009-04-27  Richard Guenther  <rguenther@suse.de>
2900
2901         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2902         (verify_stmts): Dispatch to gimple/type verification code.
2903         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2904         issue with call argument types.
2905
2906 2009-04-27  Michael Matz  <matz@suse.de>
2907
2908         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2909         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2910         to above.
2911
2912 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2913             Eric Botcazou  <ebotcazou@adacore.com>
2914
2915         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2916         a label's basic block.
2917         (mark_target_live_regs): Tidy and rework obsolete comments.
2918         Change back DF problem to LIVE.  If a label starts a basic block,
2919         assume that all registers that used to be live then still are.
2920         (init_resource_info): If a label starts a basic block, set its
2921         BLOCK_FOR_INSN accordingly.
2922         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2923
2924 2009-04-27  Richard Guenther  <rguenther@suse.de>
2925
2926         * tree-flow-inline.h (function_ann): Remove.
2927         (get_function_ann): Likewise.
2928         * tree-dfa.c (create_function_ann): Remove.
2929         * tree-flow.h (struct static_var_ann_d): Remove.
2930         (struct function_ann_d): Likewise.
2931         (union tree_ann_d): Remove fdecl member.
2932         (function_ann_t): Remove.
2933         (function_ann, get_function_ann, create_function_ann): Remove
2934         declarations.
2935
2936 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2937
2938         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2939
2940 2009-04-27  Jan Hubicka  <jh@suse.cz>
2941
2942         * ipa-pure-const.c (struct funct_state_d): New fields
2943         state_previously_known, looping_previously_known; remove
2944         state_set_in_source.
2945         (analyze_function): Use new fields.
2946         (propagate): Avoid assumption that state_set_in_source imply
2947         nonlooping.
2948
2949         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2950         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2951         * cfgloop.h (finite_loop_p): Declare.
2952
2953 2009-04-26  Michael Matz  <matz@suse.de>
2954
2955         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2956
2957 2009-04-26  Michael Matz  <matz@suse.de>
2958
2959         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2960         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2961         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2962         pass_mark_used_blocks): Remove.
2963         * tree-optimize.c (pass_free_datastructures,
2964         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2965         * passes.c (init_optimization_passes): Don't call
2966         pass_mark_used_blocks, remove dead code.
2967
2968 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2969
2970         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2971         * tree-ssa-live.h (register_ssa_partition): Likewise.
2972
2973 2009-04-26  Michael Matz  <matz@suse.de>
2974
2975         Expand from SSA.
2976         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2977         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2978         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2979         SSA names. 
2980         (compare_pairs): Swap cost comparison.
2981         (coalesce_ssa_name): Don't use change_partition_var.
2982         * tree-nrv.c (struct nrv_data): Add modified member.
2983         (finalize_nrv_r): Set it.
2984         (tree_nrv): Use it to update statements.
2985         (pass_nrv): Require PROP_ssa.
2986         * tree-mudflap.c (mf_decl_cache_locals,
2987         mf_build_check_statement_for): Use make_rename_temp.
2988         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2989         * alias.c (find_base_decl): Handle SSA names.
2990         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2991         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2992         * rtl.h (set_reg_attrs_for_parm): Declare.
2993         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2994         to "optimized", remove unused locals at finish.
2995         (execute_free_datastructures): Make global, call
2996         delete_tree_cfg_annotations.
2997         (execute_free_cfg_annotations): Don't call
2998         delete_tree_cfg_annotations.
2999
3000         * ssaexpand.h: New file.
3001         * expr.c (toplevel): Include ssaexpand.h.
3002         (expand_assignment): Handle SSA names the same as register variables.
3003         (expand_expr_real_1): Expand SSA names.
3004         * cfgexpand.c (toplevel): Include ssaexpand.h.
3005         (SA): New global variable.
3006         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3007         (SSAVAR): New macro.
3008         (set_rtl): New helper function.
3009         (add_stack_var): Deal with SSA names, use set_rtl.
3010         (expand_one_stack_var_at): Likewise.
3011         (expand_one_stack_var): Deal with SSA names.
3012         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3013         before unique numbers.
3014         (expand_stack_vars): Use set_rtl.
3015         (expand_one_var): Accept SSA names, add asserts for them, feed them
3016         to above subroutines.
3017         (expand_used_vars): Expand all partitions (without default defs),
3018         then only the local decls (ignoring those expanded already).
3019         (expand_gimple_cond): Remove edges when jumpif() expands an
3020         unconditional jump.
3021         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3022         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3023         SSA name.
3024         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3025         members of SA; deal with PARM_DECL partitions here; expand
3026         all PHI nodes, free tree datastructures and SA.  Commit instructions
3027         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3028         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3029         info and statements at start, collect garbage at finish.
3030         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3031         (VAR_ANN_PARTITION) Remove.
3032         (change_partition_var): Don't declare.
3033         (partition_to_var): Always return SSA names.
3034         (var_to_partition): Only accept SSA names.
3035         (register_ssa_partition): Only check argument.
3036         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3037         member.
3038         (delete_var_map): Don't free it.
3039         (var_union): Only accept SSA names, simplify.
3040         (partition_view_init): Mark only useful SSA names as used.
3041         (partition_view_fini): Only deal with SSA names.
3042         (change_partition_var): Remove.
3043         (dump_var_map): Use ssa_name instead of partition_to_var member.
3044         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3045         basic blocks.
3046         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3047         (struct _elim_graph): New member const_dests; nodes member vector of
3048         ints.
3049         (set_location_for_edge): New static helper.
3050         (create_temp): Remove.
3051         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3052         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3053         (new_elim_graph): Allocate const_dests member.
3054         (clean_elim_graph): Truncate const_dests member.
3055         (delete_elim_graph): Free const_dests member.
3056         (elim_graph_size): Adapt to new type of nodes member.
3057         (elim_graph_add_node): Likewise.
3058         (eliminate_name): Likewise.
3059         (eliminate_build): Don't take basic block argument, deal only with
3060         partition numbers, not variables.
3061         (get_temp_reg): New static helper.
3062         (elim_create): Use it, deal with RTL temporaries instead of trees.
3063         (eliminate_phi): Adjust all calls to new signature.
3064         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3065         (rewrite_trees): Only do checking.
3066         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3067         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3068         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3069         contains_tree_r, MAX_STMTS_IN_LATCH,
3070         process_single_block_loop_latch, analyze_edges_for_bb,
3071         perform_edge_inserts): Remove.
3072         (expand_phi_nodes): New global function.
3073         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3074         functions, initialize new parameter, remember partitions having a
3075         default def.
3076         (finish_out_of_ssa): New global function.
3077         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3078         don't reset in_ssa_p here, don't disable TER when mudflap.
3079         (pass_del_ssa): Remove.
3080         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3081         partition members.
3082         (execute_free_datastructures): Declare.
3083         * Makefile.in (SSAEXPAND_H): New variable.
3084         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3085         * basic-block.h (commit_one_edge_insertion): Declare.
3086         * passes.c (init_optimization_passes): Move pass_nrv and
3087         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3088         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3089         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3090         (redirect_branch_edge): Deal with super block when expanding, split
3091         out jump patching itself into ...
3092         (patch_jump_insn): ... here, new static helper.
3093
3094 2009-04-26  Michael Matz  <matz@suse.de>
3095
3096         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3097         beyond num_ssa_names.
3098         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3099         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3100
3101 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3102
3103         PR inline-asm/39543
3104         * fwprop.c (forward_propagate_asm): New function.
3105         (forward_propagate_and_simplify): Propagate also into __asm, if it
3106         doesn't increase the number of referenced registers.
3107
3108         PR c/39889
3109         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3110
3111 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3112
3113         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3114         note_nonlocal_vla_type for nonlocal VLAs.
3115         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3116         contains_remapped_vars, remap_vla_decls): New functions.
3117         (convert_nonlocal_reference_stmt): If not optimizing, call
3118         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3119         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3120         if it wasn't found in var_map.
3121         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3122         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3123         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3124         declare_vars.
3125         * gimplify.c (nonlocal_vlas): New variable.
3126         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3127         referenced VLAs.
3128         (gimplify_body): Create and destroy nonlocal_vlas.
3129
3130         * dwarf2out.c (loc_descr_plus_const): New function.
3131         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3132         mem_loc_descriptor, loc_descriptor_from_tree_1,
3133         descr_info_loc, gen_variable_die): Use it.
3134
3135         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3136         !TREE_STATIC VAR_DECLs.
3137         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3138         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3139         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3140         DECL_BY_REFERENCE is valid.
3141         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3142         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3143         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3144         Copy DECL_BY_REFERENCE.
3145         (struct nesting_copy_body_data): New type.
3146         (nesting_copy_decl): New function.
3147         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3148         if they have variable length.
3149
3150 2009-04-26  Michael Matz  <matz@suse.de>
3151
3152         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3153         mark new temporaries for renaming.
3154
3155 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3156
3157         PR c/39581
3158         * c-decl.c (global_bindings_p): Return negative value.
3159         (c_variable_size): New.  Based on variable_size from
3160         stor-layout.c.
3161         (grokdeclarator): Call c_variable_size not variable_size.
3162
3163 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3164
3165         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3166
3167 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3168
3169         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3170         Redefine it to just use mingw/include.
3171         (ASM_SPEC): Rules for -m32 and -m64.
3172         (LINK_SPEC): Use Likewise.
3173         (SPEC_32): New define.
3174         (SPEC_64): Likewise.
3175         (SUB_LINK_SPEC): Likewise.
3176         (MULTILIB_DEFAULTS): New define.
3177         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3178         Add multilib options.
3179         (MULTILIB_DIRNAMES): Likewise.
3180         (MULTILIB_OSDIRNAMES): Likewise.
3181         (LIBGCC): Likewise.
3182         (INSTALL_LIBGCC): Likewise.
3183
3184 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3185
3186         PR c/39556
3187         * c-tree.h (enum c_inline_static_type): New.
3188         (record_inline_static): Declare.
3189         * c-decl.c (struct c_inline_static, c_inline_statics,
3190         record_inline_static, check_inline_statics): New.
3191         (pop_file_scope): Call check_inline_statics.
3192         (start_decl): Call record_inline_static instead of pedwarning
3193         directly for static in inline function.
3194         * c-typeck.c (build_external_ref): Call record_inline_static
3195         instead of pedwarning directly for static referenced in inline
3196         function.
3197
3198 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3199
3200         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3201         not new but only being rescanned.
3202         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3203         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3204         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3205         record_set_info, compute_set, grealloc): Remove.
3206         (recompute_all_luids): New function.
3207         (gcse_main): Don't compute sets, and don't do related memory
3208         allocations/free-ing.  If something changed before the end of the
3209         pass, update LUIDs using recompute_all_luids.
3210         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3211         (free_gcse_mem): Don't free it either.
3212         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3213         Use the df insn LUIDs.
3214         (load_killed_in_block): Likewise.
3215         (compute_hash_table_work): Don't compute reg_set_in_block.
3216         (compute_transp): Use DF_REG_DEF_CHAINs.
3217         (local_cprop_pass): Don't use compute_sets and related functions.
3218         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3219         Use get_max_uid() instead of max_cuid.
3220         (insert_insn_end_basic_block, pre_insert_copy_insn,
3221         update_ld_motion_stores): Don't try to
3222         keep reg_set tables up to date.
3223         (pre_insert_copies): Use df insn LUIDs.
3224         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3225         (reg_set_info): Don't use extra bitmap argument.
3226         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3227         information to compute regs_set_in_block.
3228         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3229         (bypass_jumps): Don't use compute_sets and friends.
3230
3231 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3232
3233         PR testsuite/39710
3234         * opts.c (undocumented_msg): Do not leave blank even with
3235         ENABLE_CHECKING.
3236
3237 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3238
3239         * c-decl.c (build_enumerator): Allow values folding to integer
3240         constants but not integer constant expressions with a pedwarn if
3241         pedantic.
3242
3243 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3244
3245         PR c/39582
3246         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3247         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3248         type is an integer constant.
3249
3250 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3251
3252         PR target/39897
3253         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3254         HImode operands.
3255
3256 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3257
3258         PR c/39564
3259         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3260         with variably modified return type and no storage class
3261         specifiers, except for the case of nested functions.  Distinguish
3262         extern declarations of functions with variably modified return
3263         types from those of objects with variably modified types.
3264
3265 2009-04-25  Jan Hubicka  <jh@suse.cz>
3266
3267         * tree.c (list_equal_p): New function.
3268         * tree.h (list_equal_p): Declare.
3269         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3270         basic_block_def, basic_block, const_basic_block): New.
3271         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3272         (redirect_eh_edge): New function.
3273         (make_eh_edge_update_phi): EH edges are not abnormal.
3274         * except.c: Include tree-flow.h.
3275         (list_match): New function.
3276         (eh_region_replaceable_by_p): New function.
3277         (replace_region): New function.
3278         (hash_type_list): New function.
3279         (hash_eh_region): New function.
3280         (eh_regions_equal_p): New function.
3281         (merge_peers): New function.
3282         (remove_unreachable_regions): Verify EH tree when checking;
3283         merge peers.
3284         (copy_eh_region_1): New function.
3285         (copy_eh_region): New function.
3286         (push_reachable_handler): New function.
3287         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3288         regions without label but with live RESX.
3289         * except.h (redirect_eh_edge_to_label): New.
3290         * tree-flow.h (redirect_eh_edge): New.
3291         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3292         basic_block_def, basic_block, const_basic_block): Remove.
3293         * Makefile.in (except.o): Add dependency on tree-flow.h
3294         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3295         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3296         Remove.
3297
3298 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3299
3300         PR bootstrap/39645
3301         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3302         on the destination of memcpy.
3303
3304 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3305
3306         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3307         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3308         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3309
3310 2009-04-25  Jan Hubicka  <jh@suse.cz>
3311
3312         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3313         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3314         to be reached by different label than left.
3315         (update_eh_edges): Update comment; remove edge_to_remove if possible
3316         and return true if suceeded.
3317         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3318         (cleanup_eh): Compute sharing map.
3319         * except.c (remove_eh_handler_and_replace): Add argument if we should
3320         update regions.
3321         (remove_unreachable_regions): Update for label sharing.
3322         (label_to_region_map): Likewise.
3323         (get_next_region_sharing_label): New function.
3324         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3325         prev_try pointers.
3326         (remove_eh_handler): Update.
3327         (remove_eh_region_and_replace_by_outer_of): New function.
3328         * except.h (struct eh_region): Add next_region_sharing_label.
3329         (remove_eh_region_and_replace_by_outer_of,
3330         get_next_region_sharing_label): Declare.
3331         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3332
3333 2009-04-25  Jan Hubicka  <jh@suse.cz>
3334
3335         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3336         insert code even if they are not critical.
3337
3338 2009-04-25  Jan Hubicka  <jh@suse.cz>
3339
3340         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3341         (gimple_can_remove_branch_p): EH edges won't remove branch by
3342         redirection.
3343         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3344         updating of non-abnormal EH edges.
3345         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3346         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3347         (split_critical_edges): Split also edges where emitting code on them
3348         will lead to splitting later.
3349
3350 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3351             H.J. Lu  <hongjiu.lu@intel.com>
3352
3353         PR target/39590
3354         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3355         the configured assembler supports fildq and fistpq mnemonics.
3356         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3357         * configure: Regenerated.
3358         * config.in: Ditto.
3359
3360         * config/i386/i386.c (print_operand): Handle 'Z'.
3361         ['z']: Remove handling of special fild/fist suffixes.
3362         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3363         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3364         suffix of fild insn.
3365         (*floatsi<mode>2_vector_mixed): Ditto.
3366         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3367         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3368         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3369         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3370         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3371
3372 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3373  
3374         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3375         the source of a set operation.
3376
3377 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3378
3379         * target.h (struct gcc_target): Add case_values_threshold field.
3380         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3381         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3382         * targhooks.c (default_case_values_threshold): New function.
3383         * targhooks.h (default_case_values_threshold): Declare function.
3384         * stmt.c (expand_case): Use case_values_threshold target hook.
3385         * expr.h (case_values_threshold): Remove declartation.
3386         * expr.c (case_values_threshold): Remove function.
3387         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3388
3389         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3390         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3391         (avr_case_values_threshold): Declare as static.
3392         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3393
3394         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3395         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3396         (mn10300_case_values_threshold): New function.
3397
3398 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3399
3400         * ira.c (setup_cover_and_important_classes): Add enum cast.
3401
3402 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3403
3404         * genpreds.c (write_enum_constraint_num): Output definition of
3405         CONSTRAINT_NUM_DEFINED_P macro.
3406         * ira.c (setup_cover_and_important_classes): Use
3407         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3408         
3409 2009-04-24  DJ Delorie  <dj@redhat.com>
3410
3411         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3412         __SH2A_SINGLE_ONLY__ also.
3413
3414 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3415
3416         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3417         (movdf_internal): Ditto.
3418         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3419         SFmode and DFmode constants.
3420         (ia64_print_operand): Add 'G' format for printing
3421         floating point constants.
3422
3423 2009-04-24  Richard Guenther  <rguenther@suse.de>
3424
3425         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3426         from unsigned additions.
3427
3428 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3429
3430         * c-typeck.c (set_init_index): Allow array designators that are
3431         not integer constant expressions with a pedwarn if pedantic.
3432
3433 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3434
3435         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3436         zero if no overlap in nonzero bits between the operands.
3437
3438 2009-04-24  Ian Lance Taylor  <iant@google.com>
3439
3440         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3441         (record_dead_and_set_regs): Likewise.
3442         * df.h (struct df_mw_hardreg): Change flags field to int.
3443         (struct df_base_ref): Likewise.
3444         (struct df): Change changeable_flags field to int.
3445         * df-scan.c (df_defs_record): Change clobber_flags to int.
3446         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3447         constants rather than #define macros.
3448         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3449         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3450         (enum dwarf_calling_convention): Likewise.
3451         (enum dwarf_line_number_x_ops): Likewise.
3452         (enum dwarf_call_frame_info): Likewise.
3453         (enum dwarf_source_language): Likewise.
3454         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3455         (add_calling_convention_attribute): Likewise.
3456         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3457         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3458         * genrecog.c (maybe_both_true_2): Change c to int.
3459         (write_switch): Likewise.  Add cast to enum type.
3460         * gimplify.c (gimplify_omp_for): Handle return values from
3461         gimplify_expr using MIN rather than bitwise or.
3462         (gimplify_expr): Add cast to enum type.
3463         * ipa-prop.c (update_jump_functions_after_inlining): Change
3464         IPA_BOTTOM to IPA_JF_UNKNOWN.
3465         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3466         Add casts to enum type.
3467         (setup_cover_and_important_classes): Change cl to int.  Add casts
3468         to enum type.
3469         (setup_class_translate): Change cl and mode to int.
3470         (ira_init_once): Change mode to int.
3471         (free_register_move_costs): Likewise.
3472         (setup_prohibited_mode_move_regs): Add casts to enum type.
3473         * langhooks.c (add_builtin_function_common): Rework assertion that
3474         value fits bitfield.
3475         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3476         * omega.c (omega_do_elimination): Avoid math on enum types.
3477         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3478         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3479         int local to handle integral_argment value.
3480         * regmove.c (try_auto_increment): Change PUT_MODE to
3481         PUT_REG_NOTE_KIND.
3482         * reload.c (push_secondary_reload): Add casts to enum type.
3483         (secondary_reload_class, find_valid_class): Likewise.
3484         * reload1.c (emit_input_reload_insns): Likewise.
3485         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3486         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3487         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3488         constant.
3489         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3490         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3491         enum type.
3492         (expand_complex_libcall): Add casts to enum type.
3493         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3494         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3495         with ERROR_MARK, not NUM_TREE_CODES.
3496         (vect_create_epilog_for_reduction): Likewise.
3497         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3498         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3499         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3500         enum machine_mode.
3501         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3502         vect_unused_in_loop.  Change 0 to loop_vect.
3503         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3504         * var-tracking.c (get_init_value): Change return type to enum
3505         var_init_status.
3506         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3507         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3508         arm_fp_model.
3509         (arm_override_options): Add casts to enum type.
3510         (arm_emit_tls_decoration): Likewise.
3511         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3512         to enum type.
3513         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3514         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3515         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3516         enum type.
3517         * config/s390/s390.c (code_for_builtin_64): Change to array of
3518         enum insn_code.
3519         (code_for_builtin_31): Likewise.
3520         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3521         const *.
3522         * config/sparc/sparc.c (sparc_override_options): Change value
3523         field in struct code_model to enum cmodel.  In initializer change
3524         0 to NULL and add cast to enum type.
3525
3526         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3527         Change all callers.  Issue a -Wc++-compat warning using
3528         lhs_origtype if necessary.
3529         (convert_for_assignment): Issue -Wc++-compat warnings about
3530         invalid conversions to enum type on assignment.
3531         * c-common.h (build_modify_expr): Update declaration.
3532
3533 2009-04-24  Nick Clifton  <nickc@redhat.com>
3534
3535         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3536         (function_arg_advance): Likewise.
3537         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3538         5th alternative.
3539
3540 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3541
3542         * config/s390/constraints.md ('I', 'J'): Fix condition.
3543
3544 2009-04-24  Diego Novillo  <dnovillo@google.com>
3545
3546         * gengtype-parse.c (parse_error): Add newline after message.
3547
3548 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3549
3550         * config/i386/sse.md (avxmodesuffixs): Removed.
3551         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3552         (*avx_pinsr<ssevecsize>): This.
3553
3554 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3555
3556         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3557         follow chains of regs with a single definition, and allow expressions
3558         that are function_invariant_p.
3559         (simple_rhs_p): Allow expressions that are function_invariant_p.
3560
3561 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3562
3563         PR middle-end/39867
3564         * fold-const.c (fold_cond_expr_with_comparison): When folding
3565         > and >= to MAX, make sure the MAX uses the same type as the
3566         comparison's operands.
3567
3568 2009-04-24  Nick Clifton  <nickc@redhat.com>
3569
3570         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3571         addressing for DImode accesses.
3572         (frv_print_operand_address): Handle PLUS case.
3573         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3574
3575 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3576
3577         PR rtl-optimization/39794
3578         * alias.c (canon_true_dependence): Add x_addr argument.
3579         * rtl.h (canon_true_dependence): Adjust prototype.
3580         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3581         * cselib.c (cselib_invalidate_mem): Likewise.
3582         * gcse.c (compute_transp): Likewise.
3583         * dse.c (scan_reads_nospill): Likewise.
3584         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3585         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3586         canon_base_addr of the group, plus optional offset.
3587         (struct group_info): Rename canon_base_mem to
3588         canon_base_addr.
3589         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3590         canon_rtx of base_mem.
3591
3592 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3593
3594         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3595         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3596
3597 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3598
3599         * config/spu/spu-builtins.h: Delete file.
3600
3601         * config/spu/spu.h (enum spu_builtin_type): Move here from
3602         spu-builtins.h.
3603         (struct spu_builtin_description): Likewise.  Add GTY marker.
3604         Do not use enum spu_function_code or enum insn_code.
3605         (spu_builtins): Add extern declaration.
3606
3607         * config/spu/spu.c: Do not include "spu-builtins.h".
3608         (enum spu_function_code, enum spu_builtin_type_index,
3609         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3610         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3611         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3612         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3613         (spu_builtin_types): Make static.  Add GTY marker.
3614         (spu_builtins): Add extern declaration with GTY marker.
3615         Include "gt-spu.h".
3616
3617         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3618         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3619         Check programmatically whether all parameters are scalar.
3620
3621         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3622
3623 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3624
3625         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3626         assignment from the constructor either if the target is volatile.
3627
3628 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3629
3630         * config/arm/arm.md (insv): Do not share operands[0].
3631
3632 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3633
3634         * config/vxlib-tls.c (active_tls_threads): Delete.
3635         (delete_hook_installed): New.
3636         (tls_delete_hook): Don't delete the delete hook.
3637         (tls_destructor): Delete it here.
3638         (__gthread_set_specific): Adjust installing the delete hook.
3639         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3640         __gthread_leave_tsd_dtor_context.
3641
3642 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3643
3644         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3645
3646 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3647
3648         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3649         enum type.
3650         (alpha_rtx_costs): Ditto.
3651         (emit_unlikely_jump): Use add_reg_note.
3652         (emit_frame_store_1): Ditto.
3653         (alpha_expand_prologue): Ditto.
3654         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3655         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3656
3657 2009-04-23  Nick Clifton  <nickc@redhat.com>
3658
3659         * config/v850/v850.md (epilogue): Remove suppressed code.
3660         (return): Rename to return_simple and remove test of frame size.
3661         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3662         to gen_return_simple.
3663
3664 2009-04-22  Jing Yu  <jingyu@google.com>
3665
3666         PR testsuite/39781
3667         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3668
3669 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3670
3671         PR C/31499
3672         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3673         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3674         value is a VECTOR_CST, the element type is the element type of the
3675         vector.
3676
3677 2009-04-22  DJ Delorie  <dj@redhat.com>
3678
3679         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3680
3681 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3682
3683         * alias.c (find_base_term): Move around LO_SUM case, so that
3684         CONST falls through into PLUS/MINUS handling.
3685
3686         PR c/39855
3687         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3688         into 0, use omit_one_operand.
3689
3690 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3691
3692         * config/rs6000/linux-unwind.h (get_regs): Remove type
3693         puns. Change the type of `pc' to an array of unsigned ints and
3694         update all users.  Constify frame24.
3695
3696 2009-04-22  DJ Delorie  <dj@redhat.com>
3697
3698         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3699         declarations before code.
3700         (current_function_special_page_vector): Likewise.
3701         (m32c_expand_insv): Silence a warning.
3702
3703 2009-04-21  Taras Glek  <tglek@mozilla.com>
3704
3705         * alias.c: Update GTY annotations to new syntax.
3706         * basic-block.h: Likewise.
3707         * bitmap.h: Likewise.
3708         * c-common.h: Likewise.
3709         * c-decl.c: Likewise.
3710         * c-parser.c: Likewise.
3711         * c-pragma.c: Likewise.
3712         * c-tree.h: Likewise.
3713         * cfgloop.h: Likewise.
3714         * cgraph.h: Likewise.
3715         * config/alpha/alpha.c: Likewise.
3716         * config/arm/arm.h: Likewise.
3717         * config/avr/avr.h: Likewise.
3718         * config/bfin/bfin.c: Likewise.
3719         * config/cris/cris.c: Likewise.
3720         * config/darwin.c: Likewise.
3721         * config/frv/frv.c: Likewise.
3722         * config/i386/i386.c: Likewise.
3723         * config/i386/i386.h: Likewise.
3724         * config/i386/winnt.c: Likewise.
3725         * config/ia64/ia64.h: Likewise.
3726         * config/iq2000/iq2000.c: Likewise.
3727         * config/mips/mips.c: Likewise.
3728         * config/mmix/mmix.h: Likewise.
3729         * config/pa/pa.c: Likewise.
3730         * config/pa/pa.h: Likewise.
3731         * config/rs6000/rs6000.c: Likewise.
3732         * config/s390/s390.c: Likewise.
3733         * config/sparc/sparc.c: Likewise.
3734         * config/xtensa/xtensa.c: Likewise.
3735         * cselib.h: Likewise.
3736         * dbxout.c: Likewise.
3737         * dwarf2out.c: Likewise.
3738         * except.c: Likewise.
3739         * except.h: Likewise.
3740         * fixed-value.h: Likewise.
3741         * function.c: Likewise.
3742         * function.h: Likewise.
3743         * gimple.h: Likewise.
3744         * integrate.c: Likewise.
3745         * optabs.c: Likewise.
3746         * output.h: Likewise.
3747         * real.h: Likewise.
3748         * rtl.h: Likewise.
3749         * stringpool.c: Likewise.
3750         * tree-data-ref.c: Likewise.
3751         * tree-flow.h: Likewise.
3752         * tree-scalar-evolution.c: Likewise.
3753         * tree-ssa-address.c: Likewise.
3754         * tree-ssa-alias.h: Likewise.
3755         * tree-ssa-operands.h: Likewise.
3756         * tree.c: Likewise.
3757         * tree.h: Likewise.
3758         * varasm.c: Likewise.
3759         * varray.h: Likewise.
3760         * vec.h: Likewise.
3761         * coretypes.h: Do not define GTY macro if it is already defined.
3762         * doc/gty.texi: Update GTY documentation to new syntax.
3763         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3764         annotations on structs.
3765         * gengtype-parse.c: Likewise.
3766
3767 2009-04-22  Mark Heffernan  <meheff@google.com>
3768
3769         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3770
3771 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3772
3773         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3774         where appropriate.
3775
3776 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3777
3778         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3779         the same as a PLUS without a shift.  Increase the cost of a
3780         CONST_INT in MULT.
3781
3782 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3783
3784         * Makefile.in: Update dependencies.
3785         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3786         * errors.h: Remove bogus comment about compatibility.
3787         (warning): Update declaration.
3788         * genautomata.c: Update all calls to warning.
3789         * gimple.c: Do not include errors.h. Include toplev.h.
3790         * tree-ssa-structalias.c: Do not include errors.h.
3791         * omega.c: Likewise.
3792         * tree-ssa-reassoc.c: Likewise.
3793         * config/spu/spu-c.c: Likewise.
3794         * config/spu/t-spu-elf: Update dependencies.
3795
3796 2009-04-22  Richard Guenther  <rguenther@suse.de>
3797
3798         PR tree-optimization/39824
3799         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3800         make sure the types are compatible.
3801
3802 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3803
3804         PR c++/14875
3805         * c-common.c (c_parse_error): Take a token_flags parameter.
3806         Use token_type for the token type instead.
3807         Pass token_flags to cpp_type2name.
3808         * c-common.h (c_parse_error): Update declaration.
3809         * c-parser.c (c_parser_error): Pass 0 as token flags.
3810
3811 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3812
3813         PR rtl-optimization/39580
3814         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3815         
3816 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3817
3818         * function.c (expand_function_end): Do not emit a jump to the "naked"
3819         return label for fall-through returns.
3820         * except.c (sjlj_emit_function_exit): Always place the call to the
3821         unregister function at the location installed by expand_function_end.
3822
3823 2009-04-22  Richard Guenther  <rguenther@suse.de>
3824
3825         PR tree-optimization/39845
3826         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3827         (gen_inbound_check): Likewise.
3828
3829 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3830
3831         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3832         padding for PPC.
3833         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3834         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3835
3836 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3837
3838         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3839         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3840         shift counts to avoid out-of-bounds array accesses.
3841
3842 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3843
3844         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3845         (Pmode): Move above.
3846
3847 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3848
3849         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3850         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3851         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3852         * config/alpha/alpha.h: Ditto.
3853         * config/alpha/alpha.md: Ditto.
3854         * config/alpha/constraints.md: Ditto.
3855         * config/alpha/predicates.md: Ditto.
3856         
3857 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3858
3859         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3860         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3861         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3862         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3863         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3864         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3865         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3866         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3867         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3868         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3869         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3870         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3871         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3872         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3873         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3874         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3875         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3876         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3877         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3878         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3879         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3880         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3881         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3882         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3883         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3884         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3885         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3886
3887 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3888
3889         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3890         references from comments.
3891         * cfgbuild.c: (count_basic_blocks): Delete.
3892         (find_basic_blocks_1): Delete.
3893         (find_basic_blocks): Delete.
3894         * except.c (finish_eh_generation): Make static.  Move comment from
3895         except.h here.  Remove find_basic_blocks references from comments.
3896         * except.h (finish_eh_generation): Delete.
3897         * basic-block.h (find_basic_blocks): Delete.
3898         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3899
3900 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3901
3902         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3903         (sdbout_parms):  Likewise.
3904
3905 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3906
3907         * config/sh/sh.c (prepare_cbranch_operands): Use
3908         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3909         (expand_cbranchdi4): Likewise.
3910         (from_compare): Add cast to enum type.
3911         (expand_cbranchsi4): Use add_reg_note.
3912         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3913         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3914         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3915         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3916         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3917         instead of CODE_FOR_nothing.
3918         (cbranchdi4): Likewise.  Fix the order of arguments for
3919         gen_rtx_fmt_ee.
3920         (push_fpscr): Use add_reg_note.
3921         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3922         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3923         
3924 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3925
3926         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3927         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3928         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3929         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3930         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3931         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3932         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3933         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3934         config/alpha/x-vms, config/arc/t-arc,
3935         config/arm/README-interworking, config/arm/arm-c.c,
3936         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3937         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3938         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3939         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3940         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3941         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3942         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3943         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3944         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3945         config/cris/t-elfmulti, config/crx/t-crx,
3946         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3947         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3948         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3949         config/h8300/t-h8300, config/i386/athlon.md,
3950         config/i386/darwin-libgcc.10.4.ver,
3951         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3952         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3953         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3954         config/i386/t-linux64, config/i386/t-nwld,
3955         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3956         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3957         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3958         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3959         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3960         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3961         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3962         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3963         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3964         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3965         config/m68k/t-uclinux, config/mcore/t-mcore,
3966         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3967         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3968         config/mips/crtn.asm, config/mips/irix-crti.asm,
3969         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3970         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3971         config/mips/mips-fixed.md, config/mips/sb1.md,
3972         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3973         config/mips/t-iris6, config/mips/t-isa3264,
3974         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3975         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3976         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3977         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3978         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3979         config/mn10300/t-linux, config/mn10300/t-mn10300,
3980         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3981         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3982         config/picochip/libgccExtras/clzsi2.asm,
3983         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3984         config/rs6000/darwin-libgcc.10.4.ver,
3985         config/rs6000/darwin-libgcc.10.5.ver,
3986         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3987         config/rs6000/t-aix43, config/rs6000/t-aix52,
3988         config/rs6000/t-darwin, config/rs6000/t-fprules,
3989         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3990         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3991         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3992         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3993         config/rs6000/t-rtems, config/rs6000/t-spe,
3994         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3995         config/score/t-score-elf, config/sh/divcost-analysis,
3996         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3997         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3998         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3999         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4000         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4001         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4002         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4003         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4004         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4005         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4006         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4007         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4008         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4009         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4010         * config/h8300/genmova.sh: Include copyright and license notices
4011         in generated output.
4012         * config/h8300/mova.md: Regenerate.
4013         * doc/install.texi2html: Include word "Copyright" in copyright
4014         notice and use name "Free Software Foundation, Inc.".
4015         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4016         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4017         ChangeLog-2007, ChangeLog-2008: Correct dates.
4018
4019 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4020
4021         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4022         NE_EXPR operations as well.
4023         * c-parser.c (c_parser_condition): Do not set location information on
4024         the condition.
4025         (c_parser_conditional_expression): Likewise.
4026         (c_parser_binary_expression): Set location information on operators.
4027         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4028         TRUTH_NOT_EXPR has been folded.
4029         * fold-const.c (fold_truth_not_expr): Copy location information from
4030         the incoming expression to the outgoing one.
4031         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4032         recursive calls on the LHS of the operator but pass that of the
4033         operator to recursive calls on the RHS of the operator.  Set it
4034         on the COND_EXPR.
4035         (shortcut_cond_expr): Set the locus of the operator on the second
4036         COND_EXPR and that of the expression on the first in degenerate cases.
4037         Pass the locus of the expression to calls to shortcut_cond_r.
4038         Set the locus of the 'then' block on the associated jump, if any.
4039         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4040         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4041         expression to call to gimplify_boolean_expr.
4042
4043 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4044
4045         * config.gcc: Add additional configuration for
4046         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4047         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4048         (CPP_SPEC): Redefine for allowing -municode option.
4049         (STARTFILE_SPEC): Likewise.
4050         * config/i386/t-mingw-w64: New.
4051         * config/i386/mingw-w64.opt: New.
4052         (municode): Add new target option.
4053         * doc/invoke.texi (municode): Add documentation for new option.
4054
4055 2009-04-21  Ian Lance Taylor  <iant@google.com>
4056
4057         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4058         Correct test for number of arguments.
4059         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4060
4061 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4062
4063         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4064         argument of emit_library_call.
4065
4066 2009-04-21  Richard Guenther  <rguenther@suse.de>
4067
4068         PR middle-end/39829
4069         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4070         inside VIEW_CONVERT_EXPRs.
4071
4072 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4073
4074         * tree-switch-conversion.c (build_constructors): Split a long line.
4075         (constructor_contains_same_values_p): New function.
4076         (build_one_array): Create assigns of constants if possible, do not
4077         call mark_sym_for_renaming, call update_stmt.
4078         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4079         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4080         update_stmt.
4081         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4082         find_new_referenced_vars, call update_stmt.
4083         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4084         instead of calling make_rename_temp.  Do not call
4085         find_new_referenced_vars or mark_symbols_for_renaming, call
4086         update_stmt.
4087
4088 2009-04-21  Richard Guenther  <rguenther@suse.de>
4089
4090         PR tree-optimization/39827
4091         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4092         (tree_ssa_phiprop): Pass the correct array size.
4093
4094 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4095
4096         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4097
4098 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4099
4100         PR 16202
4101         * c-typeck.c (lvalue_p): Move declaration ...
4102         * c-common.h (lvalue_p): ... to here.
4103         * c-common.c (candidate_equal_p): New.
4104         (add_tlist): Use it.
4105         (merge_tlist): Use it.
4106         (warn_for_collisions_1): Likewise.
4107         (warning_candidate_p): Accept more candidates.
4108         (verify_tree): A warning candidate can be an expression. Use
4109         candidate_equal_p.
4110
4111 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4112
4113         PR target/5267
4114         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4115         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4116         options.  Remove -mcall-solaris documentation.
4117
4118 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4119
4120         PR c++/13358
4121         * doc/invoke.texi (-Wlong-long): Update description.
4122         * c-lex (interpret_integer): Only warn if there was no previous
4123         overflow and -Wlong-long is enabled.
4124         * c-decl.c (declspecs_add_type): Drop redundant flags.
4125         * c.opt (Wlong-long): Init to -1.
4126         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4127         and front-end warn_long_long. Wlong-long only depends on other
4128         flags if it is uninitialized.
4129         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4130         the same for CPP and FE.
4131         (restore_extension_diagnostics): Likewise.
4132
4133 2009-04-20  Ian Lance Taylor  <iant@google.com>
4134
4135         Fix enum conversions which are invalid in C++:
4136         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4137         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4138         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4139         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4140         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4141         (dbxout_parms): Likewise.
4142         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4143         (df_clear_flags): Likewise.
4144         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4145         top_flag parameter to int.
4146         (df_chain_create_bb_process_use): Likewise.
4147         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4148         Remove cast.
4149         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4150         (df_ref_create_structure, df_def_record_1): Likewise.
4151         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4152         (df_notes_rescan): Change 0 to VOIDmode in function call.
4153         (df_get_call_refs, df_insn_refs_collect): Likewise.
4154         (df_bb_regs_collect): Likewise.
4155         (df_entry_block_defs_collect): Likewise.
4156         (df_exit_block_uses_collect): Likewise.
4157         * df.h: Update declarations.
4158         * double-int.c (double_int_divmod): Add cast to enum type.
4159         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4160         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4161         (based_loc_descr): Likewise.
4162         (loc_descriptor_from_tree_1): Change first_op and second_op to
4163         enum dwarf_location_atom.  Add cast to enum type.
4164         * expmed.c (init_expmed): Change 0 to SET in function call.
4165         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4166         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4167         (do_store_flag): Likewise.
4168         * fixed-value.h (struct fixed_value): Change mode to enum
4169         machine_mode.
4170         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4171         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4172         function call.
4173         (insert_insn_decl, insert_decl, insert_state): Likewise.
4174         (automata_list_finish): Likewise.
4175         * genrecog.c (process_define_predicate): Add cast to enum type.
4176         * gensupport.c (init_predicate_table): Add cast to enum type.
4177         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4178         function call.
4179         (gimple_build_call_1, gimple_build_label): Likewise.
4180         (gimple_build_goto, gimple_build_asm_1): Likewise.
4181         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4182         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4183         (enum fallback): Rename from enum fallback_t.
4184         (fallback_t): Typedef as int.
4185         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4186         GSI_SAME_STMT in function call.
4187         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4188         enum type.
4189         (setup_reg_class_relations): Likewise.
4190         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4191         (setup_prohibited_class_mode_regs): Add cast to enum type.
4192         (setup_prohibited_mode_move_regs): Likewise.
4193         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4194         (record_address_regs): Change i to enum reg_class.
4195         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4196         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4197         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4198         (GET_MODE_2XWIDER_MODE): Likewise.
4199         (GET_CLASS_NARROWEST_MODE): Likewise.
4200         * omp-low.c (expand_omp_for): Add cast to enum type.
4201         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4202         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4203         * postreload.c (reload_cse_simplify_operands): Change rclass local
4204         to enum reg_class.
4205         * predict.c (combine_predictions_for_insn): Change best_predictor
4206         and predictor to enum br_predictor.
4207         (combine_predictions_for_bb): Likewise.
4208         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4209         use SET_PREDICT_EXPR_OUTCOME.
4210         * real.c (real_arithmetic): Change icode to code in function call.
4211         * reginfo.c (init_move_cost): Add casts to enum type.
4212         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4213         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4214         enum reg_class.
4215         * reload.c (find_valid_class): Add casts to enum type.
4216         (push_reload): Change 0 to NO_REGS in function call.
4217         (find_reloads): Change this_alternative to array of enum
4218         reg_class.  Remove some now-unnecessary casts.
4219         (make_memloc): Change 0 to VOIDmode in function call.
4220         * reload1.c (reload): Change 0 to VOIDmode in function call.
4221         (eliminate_regs_1, elimination_effects): Likewise.
4222         (eliminate_regs_in_insn): Likewise.
4223         (emit_input_reload_insns): Add cast to enum type.
4224         (delete_output_reload): Change 0 to VOIDmode in function call.
4225         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4226         to enum type in function call.
4227         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4228         (SET_PREDICT_EXPR_OUTCOME): Define.
4229         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4230         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4231         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4232         (dump_function): Likewise.
4233         * tree-dump.h: Update declarations.
4234         * tree-pass.h: Update declarations.
4235         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4236         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4237         enum type.
4238         (arm_rtx_costs_1): Correct parenthesization.
4239         (arm_rtx_costs): Add casts to enum type.
4240         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4241         (vfp_emit_fstmd): Use add_rg_note.
4242         (emit_multi_reg_push, emit_sfm): Likewise.
4243         (thumb_set_frame_pointer): Likewise.
4244         (arm_expand_prologue): Likewise.
4245         (arm_regno_class): Change return type to enum reg_class.
4246         (thumb1_expand_prologue): Use add_reg_note.
4247         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4248         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4249         in function call.
4250         * config/arm/gentune.sh: Add cast to enum type.
4251         * config/arm/arm-tune.md: Rebuild.
4252         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4253         (ix86_split_fp_branch, predict_jump): Likewise.
4254         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4255         insn_code to enum rtx_code.
4256         (ix86_builtin_vectorized_function): Add cast to enum type.
4257         * config/i386/i386.md (truncdfsf2): Change slot to enum
4258         ix86_stack_slot.
4259         (truncxf<mode>2, isinf<mode>2): Likewise.
4260         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4261         enum type.
4262         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4263         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4264         (insert_bundle_state): Change 1 to INSERT in function call.
4265         (ia64_add_bundle_selector_before): Likewise.
4266         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4267         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4268         (restore_stack_nonlocal): Likewise.
4269         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4270         function call.
4271         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4272         function call.
4273         (mips_rtx_costs): Likewise.
4274         (mips_override_options): Add casts to enum type.
4275         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4276         in function call.
4277         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4278         (store_reg, set_reg_plus_d): Likewise.
4279         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4280         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4281         cast to enum type.
4282         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4283         function call.
4284         (emit_unlikely_jump): Use add_reg_note.
4285         (rs6000_emit_allocate_stack): Likewise.
4286         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4287         (output_toc): Change 1 to INSERT in function call.
4288         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4289         (rs6000_initialize_trampoline): Likewise.
4290         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4291         function call.
4292         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4293         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4294         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4295         (save_gprs): Use add_reg_note.
4296         (s390_emit_prologue): Likewise.
4297         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4298         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4299         (sparc_fold_builtin): Add cast to enum type.
4300         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4301         enum insn_code.
4302         (spu_expand_prologue): Use add_reg_note.
4303         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4304
4305 2009-04-20  Ian Lance Taylor  <iant@google.com>
4306
4307         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4308         (c_parser_postfix_expression_after_primary): Get VEC for list of
4309         arguments.  Get original types of arguments.  Call
4310         build_function_call_vec.
4311         (cached_expr_list_1, cached_expr_list_2): New static variables.
4312         (c_parser_expr_list): Change return type to VEC *.  Add
4313         p_orig_types parameter.  Change all callers.
4314         (c_parser_release_expr): New static function.
4315         (c_parser_vec_to_tree_list): New static function.
4316         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4317         call build_function_call_vec.
4318         (build_function_call_vec): New function, based on old
4319         build_function_call.
4320         (convert_arguments): Remove nargs and argarray parameters.  Change
4321         values to a VEC.  Add origtypes parameter.
4322         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4323         (convert_for_assignment): Add origtype parameter.  Change all
4324         callers.  If warn_cxx_compat, check for conversion to an enum
4325         type when calling a function.
4326         (store_init_value): Add origtype parameter.  Change all callers.
4327         (digest_init): Likewise.
4328         (struct init_node): Add origtype field.
4329         (add_pending_init): Add origtype parameter.  Change all callers.
4330         (output_init_element): Likewise.
4331         (output_pending_init_elements): Pass origtype from init_node to
4332         output_init_element.
4333         (process_init_element): Pass origtype from c_expr to
4334         output_init_element.
4335         (c_finish_return): Add origtype parameter.  Change all callers.
4336         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4337         caller.
4338         (sync_resolve_params): Likewise.
4339         (sync_resolve_return): Change params to first_param.  Change caller.
4340         (resolve_overloaded_builtins): Change params to VEC *.  Change
4341         callers.  Save first parameter around call to build_function_call_vec.
4342         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4343         callers.  Call build_function_call_vec rather than
4344         build_function_call for cleanup.
4345         * c-tree.h: Update declarations.
4346         * c-common.h: Update declarations.
4347         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4348         params to first_param.
4349         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4350         params parameter from tree to void *.
4351         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4352         Change arglist parameter to have type void *, and to be a pointer
4353         to a VEC.
4354         * config/rs6000/rs6000-protos.h
4355         (altivec_resolve_overloaded_builtin): Update declaration.
4356         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4357         fnargs parameter to have type void *, and to be a pointer to a
4358         VEC.  Call build_function_call_vec instead of
4359         build_function_call.
4360         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4361
4362 2009-04-20  Joey Ye  <joey.ye@intel.com>
4363             Xuepeng Guo  <xuepeng.guo@intel.com>
4364             H.J. Lu  <hongjiu.lu@intel.com>
4365
4366         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4367
4368         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4369         (IX86_LEA_PRIORITY): Likewise.
4370         (distance_non_agu_define): New function.
4371         (distance_agu_use): Likewise.
4372         (ix86_lea_for_add_ok): Likewise.
4373         (ix86_dep_by_shift_count): Likewise.
4374
4375         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4376         should split for LEA.
4377
4378         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4379         function.
4380         (ix86_dep_by_shift_count): Likewise.
4381
4382 2009-04-20  Richard Guenther  <rguenther@suse.de>
4383
4384         * expr.c (handled_component_p): Move ...
4385         * tree.h (handled_component_p): ... here.
4386         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4387         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4388         and REALPART_EXPR to be in one group.
4389
4390 2009-04-20  Richard Guenther  <rguenther@suse.de>
4391
4392         * basic-block.h (get_all_dominated_blocks): Declare.
4393         * dominance.c (get_all_dominated_blocks): New function.
4394         * tree-cfg.c (get_all_dominated_blocks): Remove.
4395         (remove_edge_and_dominated_blocks): Adjust.
4396         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4397         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4398         instead of recursing.
4399
4400 2009-04-20  Doug Kwan  <dougkwan@google.com>
4401
4402         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4403         (struct cgraph_node_set_def): New type.
4404         (cgraph_node_set) New type. Also declare vector functions.
4405         (struct cgraph_node_set_element_def): New type.
4406         (cgraph_node_set_element): Ditto.
4407         (cgraph_node_set_iterator): New iterator type.
4408         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4409         cgraph_node_set_remove, dump_cgraph_node_set,
4410         debug_cgraph_node_set): New prototypes.
4411         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4412         cgraph_node_set_size): New inlines.
4413         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4414         including cgraph.h.
4415         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4416         argument to function 'write_summary'.
4417         * ipa.c: Include ggc.h.
4418         (hash_cgraph_node_set_element,
4419         eq_cgraph_node_set_element, cgraph_node_set_new,
4420         cgraph_node_set_add, cgraph_node_set_remove,
4421         cgraph_node_set_find, dump_cgraph_node_set,
4422         debug_cgraph_node_set): New functions.
4423         * Makefile.in (ipa.o): Add dependency on GGC_H.
4424
4425 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4426
4427         PR tree-optimization/39675
4428         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4429         check of the return code of vect_schedule_slp. Check that
4430         stmt_vec_info still exists for the statement, before checking its
4431         vectorization type.
4432
4433 2009-04-20  Michael Matz  <matz@suse.de>
4434
4435         * Makefile.in (generated_files): Take out $(simple_generated_c).
4436
4437 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4438
4439         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4440         (UINTPTR_TYPE):  Likewise.
4441
4442 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4443
4444         PR c/37481
4445         * c-typeck.c (digest_init): Check for initializing an array with a
4446         string literal.
4447
4448 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4449
4450         PR c/19771
4451         * c-semantics.c (pop_stmt_list): Propagate
4452         STATEMENT_LIST_HAS_LABEL to parent statement list.
4453
4454 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4455
4456         * config/mips/mips.h (mips_tune_attr): New macro.
4457         * config/mips/mips.md (cpu): Use it.
4458
4459 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4460
4461         PR c/38243
4462         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4463         declaring a tag.
4464
4465 2009-04-19  Diego Novillo  <dnovillo@google.com>
4466
4467         * toplev.c (compile_file): Move call to coverage_finish ...
4468         * cgraphunit.c (ipa_passes): ... here.
4469         Call cgraph_process_new_functions.
4470         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4471         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4472
4473 2009-04-19  Jan Hubicka  <jh@suse.cz>
4474
4475         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4476         cfun.
4477         (dump_cgraph_node): Dump can throw external flag.
4478         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4479
4480 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4481
4482         PR c/32061
4483         PR c++/36954
4484         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4485         * common.opt (Wlogical-op): Move from here...
4486         * c.opt (Wlogical-op): ... to here.
4487         * c-typeck.c (parser_build_binary_op): Update call to
4488         warn_logical_operator.
4489         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4490         extra_warnings.
4491         * c-common.c (warn_logical_op): Update.
4492         * c-common.h (warn_logical_op): Update declaration.
4493
4494 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4495
4496         * tree.c (protected_set_expr_location): Fix formatting.
4497
4498 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4499
4500         PR c/27676
4501         * c-typeck.c (readonly_warning): new.
4502         (build_unary_op, build_modify_expr): Use readonly_warning for
4503         storing into something readonly but not const-qualified.
4504
4505 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4506
4507         PR c/22367
4508         * c-typeck.c (build_unary_op): Check for taking address of
4509         expression of type void.
4510
4511 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4512
4513         PR c/35210
4514         * c-typeck.c (build_function_call): Check for calling a function
4515         with qualified void return types.  Call require_complete_type when
4516         generating a trap.
4517
4518 2009-04-18  Jan Hubicka  <jh@suse.cz>
4519
4520         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4521         Set nothrow flag.
4522         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4523         can_throw_external flag.
4524         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4525         * ipa-pure-const.c (ignore_edge): New function.
4526         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4527         only over can_throw_external edges.
4528         (local_pure_const): Add nothrow flag.
4529         * ipa-utils.c (searchc): Add ignore_edge callback.
4530         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4531         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4532         (set_nothrow_function_flags): Update cgraph.
4533         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4534
4535 2009-04-18  Richard Guenther  <rguenther@suse.de>
4536
4537         PR middle-end/39804
4538         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4539         (fold_stmt): ... this and ...
4540         (fold_stmt_inplace): ... this.
4541         (fold_stmt_1): Fold references in calls and asms.
4542         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4543
4544 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4545
4546         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4547         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4548
4549 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4550
4551         * tree.c (function_args_count): Remove.
4552         * tree.h: Remove the prototype for function_args_count.
4553
4554 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4555
4556         * tree-iterator.c (expr_only): Remove.
4557         * tree.h: Remove the prototype for expr_only.
4558
4559 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4560
4561         * reginfo.c (cannot_change_mode_set_regs): Remove.
4562         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4563
4564 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4565
4566         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4567         whether operands 0 and 1 overlaps.
4568
4569 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4570
4571         PR middle-end/36902
4572         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4573         pointer. Use warning_at instead of warning.
4574         (search_for_addr_array): Likewise.
4575         (check_array_bounds): Likewise.
4576         (check_all_array_refs): Check that the incoming edge is not in the
4577         list of edges to be removed.
4578         (check_all_array_refs): Avoid the temporal pointer.
4579         (vrp_visit_cond_stmt): Fix typo.
4580         (simplify_switch_using_ranges): Handle the case where the switch
4581         index is an integer constant.
4582
4583 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4584
4585         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4586
4587 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4588
4589         * doc/extend.texi, doc/invoke.texi: Fix typos.
4590
4591 2009-04-17  Cary Coutant  <ccoutant@google.com>
4592
4593         * tree-flow-inline.h (get_lineno): Fix inverted test.
4594
4595 2009-04-17  Diego Novillo  <dnovillo@google.com>
4596
4597         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4598         assertion for AVAIL_OUT.
4599
4600 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4601
4602         PR target/38627
4603         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4604         * config/sh/linux-atomic.asm: Likewise.
4605
4606 2009-04-17  Diego Novillo  <dnovillo@google.com>
4607
4608         * except.c (debug_eh_tree): New.
4609         (struct eh_region, struct eh_status): Move ...
4610         * except.h: ... here.
4611         (add_type_for_runtime): Declare extern.
4612         (lookup_type_for_runtime): Likewise.
4613         (debug_eh_tree): Declare.
4614         * Makefile.in (GTFILES): List except.h before except.c
4615
4616 2009-04-17  Diego Novillo  <dnovillo@google.com>
4617
4618         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4619         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4620         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4621         (find_vars_r): ... here.
4622         * tree-flow.h (find_referenced_vars_in): Declare.
4623         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4624         that AVAIL_OUT exists for BLOCK.
4625         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4626         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4627         (tree-parloops.o): Likewise.
4628
4629 2009-04-17  Simon Baldwin  <simonb@google.com>
4630
4631         * toplev.c (default_tree_printer): Add handling for %E format.
4632
4633 2009-04-17  Diego Novillo  <dnovillo@google.com>
4634
4635         * tree-pretty-print.c (dump_generic_node): Add break after
4636         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4637         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4638         FUNCTION_TYPE together.  Call print_struct_decl when printing
4639         structures and TDF_SLIM is not given.
4640         (print_struct_decl): Fix logic for detecting recursion.
4641
4642 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4643
4644         PR 31567
4645         * gcc.c (create_at_file): New.
4646         (compile_input_file_p): New.
4647         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4648         * main.c (main): Update call to toplev_main.
4649         * toplev.c (toplev_main): Change signature. Call expandargv.
4650         * toplev.h (toplev_main): Change signature.
4651
4652 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4653
4654         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4655         if the latter is not constant.
4656
4657 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4658
4659         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4660
4661 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4662
4663         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4664         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4665
4666 2009-04-17  Richard Guenther  <rguenther@suse.de>
4667
4668         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4669         Handle component references view-converting an invariant address.
4670
4671 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4672
4673         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4674         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4675         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4676         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4677         Use @deftypevr rather than @deftypevar.
4678
4679 2009-04-17  Richard Guenther  <rguenther@suse.de>
4680
4681         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4682         (get_prop_source_stmt): Likewise.
4683         (can_propagate_from): Likewise.
4684
4685 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4686
4687         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4688         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4689         (--with-multilib-list): Add default value.
4690         * configure: Regenerate.
4691         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4692         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4693         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4694         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4695         Don't add default cpu to multilib list unnecessarily, but do enable
4696         the relevant compiler option..
4697         Add support for --with-multilib-list=<blank> and
4698         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4699         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4700         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4701         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4702         TM_MULTILIB_CONFIG.
4703         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4704         (MULTILIB_OSDIRNAMES): New variable.
4705         * config/sh/t-1e: Delete file.
4706         * config/sh/t-mlib-sh1: Delete file.
4707         * config/sh/t-mlib-sh2: Delete file.
4708         * config/sh/t-mlib-sh2a: Delete file.
4709         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4710         * config/sh/t-mlib-sh2a-single: Delete file.
4711         * config/sh/t-mlib-sh2a-single-only: Delete file.
4712         * config/sh/t-mlib-sh2e: Delete file.
4713         * config/sh/t-mlib-sh3e: Delete file.
4714         * config/sh/t-mlib-sh4: Delete file.
4715         * config/sh/t-mlib-sh4-nofpu: Delete file.
4716         * config/sh/t-mlib-sh4-single: Delete file.
4717         * config/sh/t-mlib-sh4-single-only: Delete file.
4718         * config/sh/t-mlib-sh4a: Delete file.
4719         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4720         * config/sh/t-mlib-sh4a-single: Delete file.
4721         * config/sh/t-mlib-sh4a-single-only: Delete file.
4722         * config/sh/t-mlib-sh4al: Delete file.
4723         * config/sh/t-mlib-sh5-32media: Delete file.
4724         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4725         * config/sh/t-mlib-sh5-64media: Delete file.
4726         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4727         * config/sh/t-mlib-sh5-compact: Delete file.
4728         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4729         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4730         * doc/install.texi (Options specification): Add
4731         --with-multilib-list and --with-endian.
4732
4733 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4734
4735         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4736         REVISION_c.
4737         (OBJS-common): Add plugin-version.o.
4738         (plugin-version.o): New.
4739         * gcc-plugin.h (plugin_gcc_version): New.
4740         (plugin_default_version_check): New.
4741         (plugin_init_func, plugin_init): Add version argument.
4742         * plugin-version.c: New.
4743         * plugin.c (str_plugin_gcc_version_name): New.
4744         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4745         pass it to the init function.
4746         (plugin_default_version_check): New.
4747
4748 2009-04-17  Richard Guenther  <rguenther@suse.de>
4749
4750         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4751         for decl-vs-decl disambiguation.
4752
4753 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4754
4755         * config/s390/s390.h (s390_tune_attr): New macro definition.
4756         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4757
4758 2009-04-17  Richard Guenther  <rguenther@suse.de>
4759
4760         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4761         (fold_stmt_r): Likewise.
4762         (maybe_fold_reference): New function.
4763         (fold_gimple_assign): Handle cases fold_stmt_r did.
4764         (fold_stmt): Do not use fold_stmt_r.
4765         (fold_stmt_inplace): Likewise.
4766
4767 2009-04-17  Richard Guenther  <rguenther@suse.de>
4768
4769         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4770         (record_equivalences_from_stmt): Remove useless checks and
4771         simplifications.
4772         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4773         the type is already suitable.
4774
4775 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4776
4777         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4778
4779 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4780
4781         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4782         (CMPtype): Define as __gcc_CMPtype.
4783
4784 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4785
4786         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4787         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4788
4789 2009-04-17  Richard Guenther  <rguenther@suse.de>
4790
4791         PR tree-optimization/39746
4792         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4793         special-casing for builtins and static variable use/def.
4794         (call_may_clobber_ref_p_1): Likewise.
4795
4796 2009-04-16  Ian Lance Taylor  <iant@google.com>
4797
4798         * df.h: Include "timevar.h".
4799         (struct df_problem): Change tv_id field to timevar_id_t.
4800         * tree-pass.h: Include "timevar.h".
4801         (struct opt_pass): Change tv_id field to timevar_id_t.
4802         * timevar.h (timevar_id_t): Define TV_NONE.
4803         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4804         TV_NONE rather than tv_id != 0.
4805         (execute_one_pass): Likewise.
4806         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4807         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4808         dependencies to $(TREE_PASS_H).
4809         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4810         to TV_NONE.
4811         (pass_branch_target_load_optimize2): Likewise.
4812         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4813         (pass_outof_cfg_layout_mode): Likewise.
4814         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4815         (pass_rebuild_cgraph_edges): Likewise.
4816         (pass_remove_cgraph_callee_edges): Likewise.
4817         * df-core.c (pass_df_initialize_opt): Likewise.
4818         (pass_df_initialize_no_opt): Likewise.
4819         (pass_df_finish): Likewise.
4820         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4821         * except.c (pass_set_nothrow_function_flags): Likewise.
4822         (pass_convert_to_eh_region_ranges): Likewise.
4823         * final.c (pass_compute_alignments): Likewise.
4824         * function.c (pass_instantiate_virtual_regs): Likewise.
4825         (pass_init_function): Likewise.
4826         (pass_leaf_regs): Likewise.
4827         (pass_match_asm_constraints): Likewise.
4828         * gimple-low.c (pass_lower_cf): Likewise.
4829         (pass_mark_used_blocks): Likewise.
4830         * init-regs.c (pass_initialize_regs): Likewise.
4831         * integrate.c (pass_initial_value_sets): Likewise.
4832         * ira.c (pass_ira): Likewise.
4833         * jump.c (pass_cleanup_barriers): Likewise.
4834         * omp-low.c (pass_expand_omp): Likewise.
4835         (pass_lower_omp): Likewise.
4836         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4837         * recog.c (pass_split_all_insns): Likewise.
4838         (pass_split_after_reload): Likewise.
4839         (pass_split_before_regstack): Likewise.
4840         (pass_split_before_sched2): Likewise.
4841         (pass_split_for_shorten_branches): Likewise.
4842         * reginfo.c (pass_reginfo_init): Likewise.
4843         (pass_subregs_of_mode_init): Likewise.
4844         (pass_subregs_of_mode_finish): Likewise.
4845         * passes.c (pass_postreload): Likewise.
4846         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4847         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4848         (pass_warn_function_return): Likewise.
4849         (pass_warn_function_noreturn): Likewise.
4850         * tree-complex.c (pass_lower_complex): Likewise.
4851         (pass_lower_complex_O0): Likewise.
4852         * tree-if-conv.c (pass_if_conversion): Likewise.
4853         * tree-into-ssa.c (pass_build_ssa): Likewise.
4854         * tree-mudflap.c (pass_mudflap_1): Likewise.
4855         (pass_mudflap_2): Likewise.
4856         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4857         (pass_mudflap_2): Likewise.
4858         * tree-nrv.c (pass_return_slot): Likewise.
4859         * tree-object-size.c (pass_object_sizes): Likewise.
4860         * tree-optimize.c (pass_all_optimizations): Likewise.
4861         (pass_early_local_passes): Likewise.
4862         (pass_all_early_optimizations): Likewise.
4863         (pass_cleanup_cfg): Likewise.
4864         (pass_cleanup_cfg_post_optimizing): Likewise.
4865         (pass_free_datastructures): Likewise.
4866         (pass_free_cfg_annotations): Likewise.
4867         (pass_fixup_cfg): Likewise.
4868         (pass_init_datastructures): Likewise.
4869         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4870         (pass_late_warn_uninitialized): Likewise.
4871         (pass_update_address_taken): Likewise.
4872         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4873         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4874         (pass_cse_sincos): Likewise.
4875         (pass_convert_to_rsqrt): Likewise.
4876         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4877         * tree-stdarg.c (pass_stdarg): Likewise.
4878         * tree-tailcall.c (pass_tail_recursion): Likewise.
4879         (pass_tail_calls): Likewise.
4880         * tree-vect-generic.c (pass_lower_vector): Likewise.
4881         (pass_lower_vector_ssa): Likewise.
4882         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4883
4884 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4885
4886         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4887         XLR entry.
4888         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4889         Handle -march=xlr.
4890         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4891         logical and signext.
4892
4893 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4894
4895         PR target/39767
4896         * config/sh/predicates.md (arith_operand): Check if the operand
4897         of TRUNCATE is a REG.
4898
4899 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4900
4901         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4902         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4903
4904 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4905
4906         * tree-iterator.c (tsi_split_statement_list_after,
4907         tsi_split_statement_list_before): Remove.
4908         * tree-iterator.h: Remove the prototypes for
4909         tsi_split_statement_list_after and tsi_split_statement_list_before.
4910
4911 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4912
4913         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4914         * tree-ssa-propagate.h: Remove the prototype for
4915         stmt_makes_single_load.
4916
4917 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4918
4919         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4920         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4921
4922 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4923
4924         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4925
4926 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4927
4928         * except.c (eh_region_outer_p): Remove.
4929         * except.h: Remove the prototype for eh_region_outer_p.
4930
4931 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4932
4933         * function.c (current_function_assembler_name): Remove.
4934         * function.h: Remove the prototype for
4935         current_function_assembler_name.
4936
4937 2009-04-16  Ian Lance Taylor  <iant@google.com>
4938
4939         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4940         (add_reg_note): Call alloc_reg_note.
4941         * rtl.h (alloc_reg_note): Declare.
4942         * combine.c (try_combine): Use alloc_reg_note.
4943         (recog_for_combine, move_deaths): Likewise.
4944         (distribute_notes): Use alloc_reg_note and add_reg_note.
4945         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4946         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4947         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4948
4949 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4950
4951         PR rtl-optimization/39762
4952         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4953         ira_may_move_out_cost): Add comments about way of their usage.
4954         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4955
4956         * ira-conflicts.c (process_regs_for_copy): Use function
4957         ira_get_register_move_cost instead of global
4958         ira_register_move_cost.
4959
4960         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4961         color_pass, move_spill_restore, update_curr_costs): Ditto.
4962
4963         * ira-lives.c (process_single_reg_class_operands): Ditto.
4964
4965         * ira-emit.c (emit_move_list): Ditto.
4966
4967         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4968         (record_reg_classes): Ditto.  Use functions
4969         ira_get_register_move_cost and ira_get_may_move_cost instead of
4970         global vars ira_register_move_cost, ira_may_move_out_cost and
4971         ira_may_move_in_cost.
4972         (record_address_regs): Don't call ira_init_register_move_cost.
4973         Use function ira_get_may_move_cost instead of global
4974         ira_may_move_in_cost.
4975         (process_bb_node_for_hard_reg_moves): Use function
4976         ira_get_register_move_cost instead of global ira_register_move_cost.
4977         (ira_costs): Don't call ira_init_register_move_cost.
4978
4979 2009-04-16  Richard Guenther  <rguenther@suse.de>
4980
4981         * tree-cfg.c (verify_gimple_assign_binary):
4982         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4983         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4984         (create_general_new_stmt): Note that this function is broken.
4985
4986 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4987
4988         * common.opt (fhelp): Add Var(help_flag).
4989         * gcc-plugin.h (plugin_info): Add help.
4990         * plugin.c (plugin_name_args): Add help.
4991         (register_plugin_info): Set plugin->help.
4992         (print_help_one_plugin): New.
4993         (print_plugins_help): New.
4994         * plugin.h (print_plugins_help): New.
4995         * toplev.c (toplev_main): Call print_plugins_help if needed.
4996
4997 2009-04-16  Richard Guenther  <rguenther@suse.de>
4998
4999         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5000         (gimple_ior_addresses_taken_1): New function.
5001         (gimple_ior_addresses_taken): Likewise.
5002         * gimple.h (struct gimple_statement_with_ops_base): Remove
5003         addresses_taken member.
5004         (gimple_ior_addresses_taken): Declare.
5005         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5006         gimple_set_addresses_taken): Remove.
5007         * ipa-reference.c (mark_address): New function.
5008         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5009         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5010         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5011         (gimple_add_to_addresses_taken): Remove.
5012         (get_tmr_operands): Call mark_address_taken.
5013         (get_asm_expr_operands): Likewise.
5014         (get_expr_operands): Likewise.
5015         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5016         (free_stmt_operands): Do not free it.
5017         * tree-ssa.c (delete_tree_ssa): Likewise.
5018         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5019
5020 2009-04-16  Richard Guenther  <rguenther@suse.de>
5021
5022         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5023         (walk_stmt_load_store_ops): Likewise.
5024         * gimple.c (get_base_loadstore): New function.
5025         (walk_stmt_load_store_addr_ops): Likewise.
5026         (walk_stmt_load_store_ops): Likewise.
5027         * ipa-pure-const.c (check_op): Simplify.
5028         (check_load, check_store): New functions.
5029         (check_stmt): Use walk_stmt_load_store_ops.
5030         * ipa-reference.c (mark_load): Adjust signature.
5031         (mark_store): Likewise.
5032         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5033
5034 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5035
5036         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5037         (plugin_info): New.
5038         * opts.c (common_handle_option): Don't call print_version.
5039         * plugin.c (plugin_name_args): Add version.
5040         (register_plugin_info): New.
5041         (register_callback): Handle PLUGIN_INFO.
5042         (try_init_one_plugin): New.
5043         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5044         if failed to init.
5045         (finalize_one_plugin): New.
5046         (finalize_plugins): New.
5047         (print_one_plugin): New.
5048         (print_plugins_versions): New.
5049         * plugin.h (print_plugins_versions): New.
5050         (finalize_plugins): New.
5051         * toplev.c (compile_file): Don't call initialize_plugins.
5052         (print_version): Call print_plugins_versions.
5053         (toplev_main): Call initialize_plugins. Print version if needed.
5054         Call finalize_plugins.
5055
5056 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5057
5058         * common.opt (fversion): New.
5059         * gcc.c (print_version): New.
5060         (process_command): Don't print the version. Just set print_version.
5061         (main): Print version. Call subprocesses if print_version and
5062         verbose_flag are set.
5063         * opts.c (common_handle_option): Handle OPT_fversion.
5064
5065 2009-04-16  Richard Guenther  <rguenther@suse.de>
5066             Ira Rosen  <irar@il.ibm.com>
5067
5068         PR tree-optimization/39698
5069         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5070         type of the reduction variable.  Only generate the def if
5071         it is needed.
5072
5073         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5074         make sure to first convert to an integer of the same precision.
5075         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5076         the type of the evolution correctly in computing the new
5077         induction variable base.
5078
5079 2009-04-16  Richard Guenther  <rguenther@suse.de>
5080
5081         PR middle-end/39625
5082         * tree-cfg.c (make_blocks): Split statements with to-be
5083         abnormal SSA names on the lhs.
5084
5085 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5086
5087         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5088         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5089         * c-typeck.c (really_start_incremental_init): Likewise.
5090         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5091         (TARGET_INITIALIZER): Remove it.
5092         * target.h (struct target): Remove vector_opaque_p.
5093         * tree.c (build_opaque_vector_type): New.
5094         * tree.h (TYPE_VECTOR_OPAQUE): New.
5095         (build_opaque_vector_type): Declare.
5096         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5097         * config/rs6000/rs6000.c (build_opaque_vector_type,
5098         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5099         (rs6000_init_builtins): Use build_opaque_vector_type for
5100         opaque_V4SI_type_node.
5101
5102 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5103
5104         * debug.h (set_name):  Declare.
5105         * dwarf2out.c (dwarf2out_set_name): Declare.
5106         (dwarf2_debug_hooks): Add set_name.
5107         (find_AT_string): New.
5108         (add_AT_string): Call find_AT_string.
5109         (dwarf2out_set_name): New.
5110         * cp/decl.c (grokdeclarator): Call set_name.
5111         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5112         * debug.c (do_nothing_debug_hooks):  Likewise.
5113         * dbxout.c (dbx_debug_hooks): Likewise.
5114         * sdbout.c (sdb_debug_hooks): Likewise.
5115
5116 2009-04-15  Michael Eager  <eager@eagercon.com>
5117
5118         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5119         reg for single-precision FPU.
5120         * config/rs6000/rs6000.md (movsi_internal1): Only for
5121         !TARGET_SINGLE_FPU.
5122         (movsi_internal1_single): New. Add pattern to move SI values to/from
5123         single-precision FP regs.
5124
5125 2009-04-15  Richard Guenther  <rguenther@suse.de>
5126
5127         * omp-low.c (lower_rec_input_clauses): Build correct address
5128         expressions.
5129         (expand_omp_for_generic): Fix multiplication type.
5130         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5131         (generate_memset_zero): Fix types.
5132         * tree-profile.c (prepare_instrumented_value): Correctly
5133         widen a pointer.
5134
5135 2009-04-15  Ian Lance Taylor  <iant@google.com>
5136
5137         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5138         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5139         for -Wall and for -Wc++-compat.
5140         (c_common_post_options): For C++, set warn_enum_compare if not
5141         already set.
5142         * c-tree.h (struct c_expr): Add field original_type.
5143         (build_external_ref): Update declaration.
5144         * c-parser.c (c_parser_braced_init): Set original_type.
5145         (c_parser_initelt): Likewise.
5146         (c_parser_expr_no_commas): Likewise.
5147         (c_parser_conditional_expression): Likewise.
5148         (c_parser_cast_expression): Likewise.
5149         (c_parser_unary_expression): Likewise.  Pull setting of
5150         original_code to top of function.
5151         (c_parser_sizeof_expression): Set original_type.
5152         (c_parser_alignof_expression): Likewise.
5153         (c_parser_postfix_expression): Likewise.  Pull setting of
5154         original_code to top of function.
5155         (c_parser_postfix_expression_after_paren_type): Set original_type.
5156         (c_parser_postfix_expression_after_primary): Likewise.
5157         (c_parser_expression): Likewise.
5158         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5159         callers.
5160         (c_expr_sizeof_expr): Set original_type field.
5161         (parser_build_unary_op): Likewise.
5162         (parser_build_binary_op): Likewise.  Optionally warn about
5163         comparisons of enums of different types.
5164         (digest_init): Set original_type field.
5165         (really_start_incremental_init): Likewise.
5166         (push_init_level, pop_init_level): Likewise.
5167         * doc/invoke.texi (Warning Options): -Wenum-compare now
5168         supported in C.
5169
5170 2009-04-15  Richard Guenther  <rguenther@suse.de>
5171
5172         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5173         out a necessary conversion.
5174         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5175         names we didn't value number.
5176         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5177
5178 2009-04-15  Richard Guenther  <rguenther@suse.de>
5179
5180         PR tree-optimization/39764
5181         * tree-ssa-ccp.c (get_value): Canonicalize value with
5182         canonicalize_float_value.
5183
5184 2009-04-15  Jan Hubicka  <jh@suse.cz>
5185
5186         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5187         Wrong version of patch.
5188
5189 2009-04-15  Jan Hubicka  <jh@suse.cz>
5190
5191         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5192
5193 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5194
5195         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5196         our distinct integral and vector types.
5197
5198 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5199
5200         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5201         * init.c (build_vtbl_address): Remove call to assemble_external.
5202
5203 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5204
5205         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5206         output for other floating point modes.
5207
5208 2009-04-14  Diego Novillo  <dnovillo@google.com>
5209
5210         * diagnostic.c (diagnostic_report_diagnostic): Do not
5211         warn about loaded plugins for DK_ERROR and DK_WARNING.
5212         * c-decl.c (declspecs_add_type): Move call to
5213         invoke_plugin_callbacks ...
5214         * c-parser.c (c_parser_declspecs): ... here.
5215         * plugin.c (dump_active_plugins): Tidy output.
5216
5217 2009-04-14  Diego Novillo  <dnovillo@google.com>
5218             Le-Chun Wu  <lcwu@google.com>
5219
5220         * configure.ac: Add --enable-plugin support.
5221         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5222         * Makefile.in (PLUGIN_H): Define.
5223         Export ENABLE_PLUGIN and GMPINC to site.exp.
5224         Add PLUGINLIBS to link command.
5225         Add/modify dependencies for plugin.o and files including plugin.h.
5226         (plugin.o): New.
5227         * config.in: Regenerate.
5228
5229         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5230         OPT_fplugin_arg_.
5231
5232 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5233
5234         * tree-pass.h (register_one_dump_file): Add a prototype for
5235         register_one_dump_file.
5236         * toplev.c (compile_file): Call initialize_plugins.
5237         (do_compile): Call invoke_plugin_callbacks.
5238         (toplev_main): Call invoke_plugin_callbacks.
5239         * common.opt: Add -fplugin= and -fplugin-arg-.
5240         * gcc-plugin.h: New public header file for plugins to include.
5241         * plugin.c: New source file.
5242         * plugin.h: New internal header file.
5243         * passes.c (register_one_dump_file): Make it external.
5244
5245         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5246
5247 2009-04-14  Diego Novillo  <dnovillo@google.com>
5248
5249         * doc/plugins.texi: New.
5250         * doc/gccint.texi: Add reference to Plugins chapter.
5251         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5252         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5253         loaded plugins, if any.
5254         * timevar.def (TV_PLUGIN_INIT): Define.
5255         (TV_PLUGIN_RUN): Define.
5256         * plugin.c: Include timevar.h
5257         (plugins_active_p): New.
5258         (dump_active_plugins): New.
5259         (debug_active_plugins): New.
5260
5261 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5262
5263         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5264         library paths.
5265         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5266
5267 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5268
5269         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5270         the same as a minus without a shift.
5271
5272 2009-04-14  Nick Clifton  <nickc@redhat.com>
5273
5274         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5275         comparisons with small integers will always produce a short
5276         branch.
5277
5278 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5279
5280         Merge:
5281         2008-12-19  Diego Novillo  <dnovillo@google.com>
5282
5283         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5284
5285 2009-04-14  Richard Guenther  <rguenther@suse.de>
5286
5287         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5288         verification.
5289         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5290         rotates correctly.
5291         (verify_gimple_phi): Print the mismatched argument position.
5292         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5293         Fix types.
5294         (vect_update_init_of_dr): Likewise.
5295         * matrix-reorg.c (transform_access_sites): Do what the
5296         comment suggests.
5297         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5298
5299 2009-04-13  Michael Eager  <eager@eagercon.com>
5300
5301         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5302         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5303         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5304         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5305         remove duplicate config
5306
5307 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5308
5309         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5310         file_name:line_number type locator of the call site.
5311
5312 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5313
5314         * genautomata.c: Put blank after comma.
5315         (automaton_decls): New.
5316         (struct unit_usage): Add comments to member next.
5317         (store_alt_unit_usage): Keep the list ordered.
5318         (unit_present_on_list_p, equal_alternatives_p): New.
5319         (check_regexp_units_distribution): Check units distribution
5320         correctness correctly.
5321         (main): Don't write automata if error is found.  Return correct
5322         exit code.
5323
5324         * config/m68k/cf.md (cfv4_ds): Remove.
5325         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5326         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5327
5328         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5329         power4-load-ext, power4-store, power4-store-update,
5330         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5331         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5332         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5333         power4-sqrt, power4-isync): Modify reservation to make correct
5334         unit distribution to automata.
5335
5336         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5337         power5-store-update, power5-two, power5-three, power5-lmul,
5338         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5339
5340 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5341
5342         * except.c (pass_set_nothrow_function_flags): Set name and add
5343         TODO_dump_func.
5344         (set_nothrow_function_flags): Mention in the dump file when
5345         changing a function to nothrow.
5346
5347 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5348
5349         PR/39066
5350         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5351         instead of unsigned long.
5352
5353 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5354
5355         * config/arm/arm.c (return_used_this_function): Remove.
5356         (arm_output_function_prologue): Remove use of
5357         return_used_this_function.
5358         (output_return_instruction): Replace use of
5359         return_used_this_function
5360         by cfun->machine->return_used_this_function.
5361         (arm_output_epilogue): Likewise.
5362         (arm_output_function_epilogue): Likewise.
5363         (thumb_unexpanded_epilogue): Likewise.
5364         * config/arm/arm.h (struct machine_function):
5365         New member return_used_this_function.
5366
5367 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5368
5369         * doc/install.texi: Correct description of default directory for
5370         --with-gxx-include-dir.
5371
5372 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5373
5374         * fold-const.c (build_range_check): Properly deal with enumeral and
5375         boolean base types.
5376
5377 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5378
5379         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5380         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5381         * params.h (MAX_GCSE_PASSES): Remove.
5382         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5383         in sequence.  Remove ability to run multiple passes.
5384         (bypass_jumps): Report run as third CPROP pass.
5385
5386 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5387
5388         PR middle-end/39651
5389         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5390         when deciding whether the whole SEQUENCE can throw.
5391
5392 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5393
5394         PR target/39740
5395         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5396         offseted label references.
5397
5398 2009-04-11  Jan Hubicka  <jh@suse.cz>
5399
5400         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5401
5402 2009-04-11  Richard Guenther  <rguenther@suse.de>
5403
5404         PR middle-end/39732
5405         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5406         return variables as TREE_ADDRESSABLE.
5407
5408 2009-04-11  Richard Guenther  <rguenther@suse.de>
5409
5410         PR tree-optimization/39713
5411         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5412         reference trees have SSA_NAME operands.
5413
5414 2009-04-11  Richard Guenther  <rguenther@suse.de>
5415
5416         PR c/39712
5417         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5418         address expressions.
5419
5420 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5421
5422         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5423         match changes in Cygwin 1.7
5424         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5425         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5426
5427 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5428
5429         PR tree-optimization/39701
5430         * doc/invoke.texi (Optimization Options): Document change in
5431         meaning and initialization of -fdelete-null-pointer-checks.
5432
5433 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5434
5435         PR middle-end/39701
5436         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5437
5438         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5439         here.
5440
5441         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5442
5443 2009-04-10  Chao-ying Fu  <fu@mips.com>
5444
5445         * doc/tm.texi (Instruction Output): Document
5446         TARGET_ASM_FINAL_POSTSCAN_INSN.
5447         * target.h (final_postscan_insn): New field in asm_out.
5448         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5449         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5450         * final.c (final_scan_insn): Call
5451         targetm.asm_out.final_postscan_insn after outputting
5452         an asm macro and a normal instruction.
5453
5454         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5455         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5456         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5457         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5458         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5459
5460 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5461
5462         PR middle-end/39701
5463         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5464         variables as non-NULL even with -fdelete-null-pointer-checks.
5465
5466 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5467
5468         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5469
5470 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5471
5472         PR target/39678
5473         * config/i386/i386.c (classify_argument): Handle SCmode with
5474         (bit_offset % 64) != 0.
5475
5476 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5477
5478         * doc/invoke.texi (Optimize Options): Add cross-reference to
5479         -Q --help=optimizers examples.
5480
5481 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5482
5483         PR target/36800
5484         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5485         regalign for the reg == fpr and TDmode case.
5486
5487 2009-04-09  David Ayers  <ayers@fsfe.org>
5488
5489         PR objc/29200
5490         * objc/objc-act.c (warn_with_method): Remove helper function.
5491         (check_duplicates): Call warning and inform directly.
5492         (really_start_method): Likewise.
5493
5494 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5495
5496         * expmed.c (expand_divmod): Always use a comparison for a division
5497         by a large unsigned integer.
5498
5499         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5500         for things others than variables or functions as nonzero.
5501
5502 2009-04-09  Nick Clifton  <nickc@redhat.com>
5503
5504         * unwind-compat.c: Change copyright header to refer to version
5505         3 of the GNU General Public License with version 3.1 of the
5506         GCC Runtime Library Exception and to point readers at the
5507         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5508         * config/alpha/crtfastmath.c: Likewise.
5509         * config/alpha/linux-unwind.h: Likewise.
5510         * config/alpha/qrnnd.asm: Likewise.
5511         * config/alpha/vms-crt0-64.c: Likewise.
5512         * config/alpha/vms-crt0.c: Likewise.
5513         * config/alpha/vms-dwarf2.asm: Likewise.
5514         * config/alpha/vms-dwarf2eh.asm: Likewise.
5515         * config/alpha/vms-psxcrt0-64.c: Likewise.
5516         * config/alpha/vms-psxcrt0.c: Likewise.
5517         * config/alpha/vms_tramp.asm: Likewise.
5518         * config/arc/initfini.c: Likewise.
5519         * config/arc/lib1funcs.asm: Likewise.
5520         * config/arm/bpabi-v6m.S: Likewise.
5521         * config/arm/bpabi.S: Likewise.
5522         * config/arm/bpabi.c: Likewise.
5523         * config/arm/crti.asm: Likewise.
5524         * config/arm/crtn.asm: Likewise.
5525         * config/arm/ieee754-df.S: Likewise.
5526         * config/arm/ieee754-sf.S: Likewise.
5527         * config/arm/lib1funcs.asm: Likewise.
5528         * config/arm/libunwind.S: Likewise.
5529         * config/arm/linux-atomic.c: Likewise.
5530         * config/arm/mmintrin.h: Likewise.
5531         * config/arm/pr-support.c: Likewise.
5532         * config/arm/unaligned-funcs.c: Likewise.
5533         * config/arm/unwind-arm.c: Likewise.
5534         * config/arm/unwind-arm.h: Likewise.
5535         * config/avr/libgcc.S: Likewise.
5536         * config/bfin/crti.s: Likewise.
5537         * config/bfin/crtlibid.s: Likewise.
5538         * config/bfin/crtn.s: Likewise.
5539         * config/bfin/lib1funcs.asm: Likewise.
5540         * config/bfin/linux-unwind.h: Likewise.
5541         * config/cris/arit.c: Likewise.
5542         * config/cris/cris_abi_symbol.c: Likewise.
5543         * config/darwin-64.c: Likewise.
5544         * config/darwin-crt2.c: Likewise.
5545         * config/darwin-crt3.c: Likewise.
5546         * config/darwin.h: Likewise.
5547         * config/dbxelf.h: Likewise.
5548         * config/dfp-bit.c: Likewise.
5549         * config/dfp-bit.h: Likewise.
5550         * config/elfos.h: Likewise.
5551         * config/fixed-bit.c: Likewise.
5552         * config/fixed-bit.h: Likewise.
5553         * config/fp-bit.c: Likewise.
5554         * config/fp-bit.h: Likewise.
5555         * config/fr30/crti.asm: Likewise.
5556         * config/fr30/crtn.asm: Likewise.
5557         * config/fr30/lib1funcs.asm: Likewise.
5558         * config/freebsd-spec.h: Likewise.
5559         * config/frv/cmovd.c: Likewise.
5560         * config/frv/cmovh.c: Likewise.
5561         * config/frv/cmovw.c: Likewise.
5562         * config/frv/frvbegin.c: Likewise.
5563         * config/frv/frvend.c: Likewise.
5564         * config/frv/lib1funcs.asm: Likewise.
5565         * config/glibc-stdint.h: Likewise.
5566         * config/h8300/clzhi2.c: Likewise.
5567         * config/h8300/crti.asm: Likewise.
5568         * config/h8300/crtn.asm: Likewise.
5569         * config/h8300/ctzhi2.c: Likewise.
5570         * config/h8300/fixunssfsi.c: Likewise.
5571         * config/h8300/lib1funcs.asm: Likewise.
5572         * config/h8300/parityhi2.c: Likewise.
5573         * config/h8300/popcounthi2.c: Likewise.
5574         * config/i386/ammintrin.h: Likewise.
5575         * config/i386/att.h: Likewise.
5576         * config/i386/avxintrin.h: Likewise.
5577         * config/i386/biarch64.h: Likewise.
5578         * config/i386/bmmintrin.h: Likewise.
5579         * config/i386/cpuid.h: Likewise.
5580         * config/i386/cross-stdarg.h: Likewise.
5581         * config/i386/crtfastmath.c: Likewise.
5582         * config/i386/crtprec.c: Likewise.
5583         * config/i386/cygming-crtbegin.c: Likewise.
5584         * config/i386/cygming-crtend.c: Likewise.
5585         * config/i386/cygwin.asm: Likewise.
5586         * config/i386/emmintrin.h: Likewise.
5587         * config/i386/gmm_malloc.h: Likewise.
5588         * config/i386/gthr-win32.c: Likewise.
5589         * config/i386/i386.h: Likewise.
5590         * config/i386/immintrin.h: Likewise.
5591         * config/i386/linux-unwind.h: Likewise.
5592         * config/i386/linux64.h: Likewise.
5593         * config/i386/mm3dnow.h: Likewise.
5594         * config/i386/mmintrin-common.h: Likewise.
5595         * config/i386/mmintrin.h: Likewise.
5596         * config/i386/nmmintrin.h: Likewise.
5597         * config/i386/pmm_malloc.h: Likewise.
5598         * config/i386/pmmintrin.h: Likewise.
5599         * config/i386/smmintrin.h: Likewise.
5600         * config/i386/sol2-c1.asm: Likewise.
5601         * config/i386/sol2-ci.asm: Likewise.
5602         * config/i386/sol2-cn.asm: Likewise.
5603         * config/i386/sol2-gc1.asm: Likewise.
5604         * config/i386/tmmintrin.h: Likewise.
5605         * config/i386/unix.h: Likewise.
5606         * config/i386/w32-unwind.h: Likewise.
5607         * config/i386/wmmintrin.h: Likewise.
5608         * config/i386/x86-64.h: Likewise.
5609         * config/i386/x86intrin.h: Likewise.
5610         * config/i386/xmmintrin.h: Likewise.
5611         * config/ia64/crtbegin.asm: Likewise.
5612         * config/ia64/crtend.asm: Likewise.
5613         * config/ia64/crtfastmath.c: Likewise.
5614         * config/ia64/crti.asm: Likewise.
5615         * config/ia64/crtn.asm: Likewise.
5616         * config/ia64/fde-glibc.c: Likewise.
5617         * config/ia64/lib1funcs.asm: Likewise.
5618         * config/ia64/linux-unwind.h: Likewise.
5619         * config/ia64/quadlib.c: Likewise.
5620         * config/ia64/unwind-ia64.c: Likewise.
5621         * config/linux.h: Likewise.
5622         * config/m32c/m32c-lib1.S: Likewise.
5623         * config/m32c/m32c-lib2-trapv.c: Likewise.
5624         * config/m32c/m32c-lib2.c: Likewise.
5625         * config/m32r/initfini.c: Likewise.
5626         * config/m68hc11/larith.asm: Likewise.
5627         * config/m68hc11/m68hc11-crt0.S: Likewise.
5628         * config/m68k/cf.md: Likewise.
5629         * config/m68k/crti.s: Likewise.
5630         * config/m68k/crtn.s: Likewise.
5631         * config/m68k/lb1sf68.asm: Likewise.
5632         * config/m68k/linux-unwind.h: Likewise.
5633         * config/mcore/crti.asm: Likewise.
5634         * config/mcore/crtn.asm: Likewise.
5635         * config/mcore/lib1.asm: Likewise.
5636         * config/mips/linux-unwind.h: Likewise.
5637         * config/mips/loongson.h: Likewise.
5638         * config/mips/mips16.S: Likewise.
5639         * config/mmix/crti.asm: Likewise.
5640         * config/mmix/crtn.asm: Likewise.
5641         * config/pa/fptr.c: Likewise.
5642         * config/pa/hpux-unwind.h: Likewise.
5643         * config/pa/lib2funcs.asm: Likewise.
5644         * config/pa/linux-atomic.c: Likewise.
5645         * config/pa/linux-unwind.h: Likewise.
5646         * config/pa/milli64.S: Likewise.
5647         * config/pa/quadlib.c: Likewise.
5648         * config/pa/stublib.c: Likewise.
5649         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5650         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5651         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5652         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5653         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5654         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5655         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5656         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5657         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5658         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5659         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5660         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5661         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5662         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5663         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5664         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5665         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5666         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5667         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5668         * config/rs6000/750cl.h: Likewise.
5669         * config/rs6000/altivec.h: Likewise.
5670         * config/rs6000/biarch64.h: Likewise.
5671         * config/rs6000/crtresfpr.asm: Likewise.
5672         * config/rs6000/crtresgpr.asm: Likewise.
5673         * config/rs6000/crtresxfpr.asm: Likewise.
5674         * config/rs6000/crtresxgpr.asm: Likewise.
5675         * config/rs6000/crtsavfpr.asm: Likewise.
5676         * config/rs6000/crtsavgpr.asm: Likewise.
5677         * config/rs6000/darwin-asm.h: Likewise.
5678         * config/rs6000/darwin-fallback.c: Likewise.
5679         * config/rs6000/darwin-fpsave.asm: Likewise.
5680         * config/rs6000/darwin-ldouble.c: Likewise.
5681         * config/rs6000/darwin-tramp.asm: Likewise.
5682         * config/rs6000/darwin-unwind.h: Likewise.
5683         * config/rs6000/darwin-vecsave.asm: Likewise.
5684         * config/rs6000/darwin-world.asm: Likewise.
5685         * config/rs6000/e500crtres32gpr.asm: Likewise.
5686         * config/rs6000/e500crtres64gpr.asm: Likewise.
5687         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5688         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5689         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5690         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5691         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5692         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5693         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5694         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5695         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5696         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5697         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5698         * config/rs6000/eabi-ci.asm: Likewise.
5699         * config/rs6000/eabi-cn.asm: Likewise.
5700         * config/rs6000/eabi.asm: Likewise.
5701         * config/rs6000/linux-unwind.h: Likewise.
5702         * config/rs6000/linux64.h: Likewise.
5703         * config/rs6000/paired.h: Likewise.
5704         * config/rs6000/paired.md: Likewise.
5705         * config/rs6000/ppc64-fp.c: Likewise.
5706         * config/rs6000/ppu_intrinsics.h: Likewise.
5707         * config/rs6000/rs6000.h: Likewise.
5708         * config/rs6000/si2vmx.h: Likewise.
5709         * config/rs6000/sol-ci.asm: Likewise.
5710         * config/rs6000/sol-cn.asm: Likewise.
5711         * config/rs6000/spe.h: Likewise.
5712         * config/rs6000/spu2vmx.h: Likewise.
5713         * config/rs6000/sysv4.h: Likewise.
5714         * config/rs6000/tramp.asm: Likewise.
5715         * config/rs6000/vec_types.h: Likewise.
5716         * config/s390/linux-unwind.h: Likewise.
5717         * config/s390/tpf-unwind.h: Likewise.
5718         * config/score/crti.asm: Likewise.
5719         * config/score/crtn.asm: Likewise.
5720         * config/sh/crt1.asm: Likewise.
5721         * config/sh/crti.asm: Likewise.
5722         * config/sh/crtn.asm: Likewise.
5723         * config/sh/divtab-sh4-300.c: Likewise.
5724         * config/sh/divtab-sh4.c: Likewise.
5725         * config/sh/divtab.c: Likewise.
5726         * config/sh/lib1funcs-4-300.asm: Likewise.
5727         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5728         * config/sh/lib1funcs.asm: Likewise.
5729         * config/sh/lib1funcs.h: Likewise.
5730         * config/sh/linux-atomic.asm: Likewise.
5731         * config/sh/linux-unwind.h: Likewise.
5732         * config/sh/shmedia.h: Likewise.
5733         * config/sh/sshmedia.h: Likewise.
5734         * config/sh/ushmedia.h: Likewise.
5735         * config/sparc/crtfastmath.c: Likewise.
5736         * config/sparc/linux-unwind.h: Likewise.
5737         * config/sparc/sol2-c1.asm: Likewise.
5738         * config/sparc/sol2-ci.asm: Likewise.
5739         * config/sparc/sol2-cn.asm: Likewise.
5740         * config/spu/divmodti4.c: Likewise.
5741         * config/spu/divv2df3.c: Likewise.
5742         * config/spu/float_disf.c: Likewise.
5743         * config/spu/float_unsdidf.c: Likewise.
5744         * config/spu/float_unsdisf.c: Likewise.
5745         * config/spu/float_unssidf.c: Likewise.
5746         * config/spu/mfc_multi_tag_release.c: Likewise.
5747         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5748         * config/spu/mfc_tag_release.c: Likewise.
5749         * config/spu/mfc_tag_reserve.c: Likewise.
5750         * config/spu/mfc_tag_table.c: Likewise.
5751         * config/spu/multi3.c: Likewise.
5752         * config/spu/spu_internals.h: Likewise.
5753         * config/spu/spu_intrinsics.h: Likewise.
5754         * config/spu/spu_mfcio.h: Likewise.
5755         * config/spu/vec_types.h: Likewise.
5756         * config/spu/vmx2spu.h: Likewise.
5757         * config/stormy16/stormy16-lib2.c: Likewise.
5758         * config/svr4.h: Likewise.
5759         * config/sync.c: Likewise.
5760         * config/v850/lib1funcs.asm: Likewise.
5761         * config/vxlib-tls.c: Likewise.
5762         * config/vxlib.c: Likewise.
5763         * config/vxworks-dummy.h: Likewise.
5764         * config/xtensa/crti.asm: Likewise.
5765         * config/xtensa/crtn.asm: Likewise.
5766         * config/xtensa/ieee754-df.S: Likewise.
5767         * config/xtensa/ieee754-sf.S: Likewise.
5768         * config/xtensa/lib1funcs.asm: Likewise.
5769         * config/xtensa/lib2funcs.S: Likewise.
5770         * config/xtensa/linux-unwind.h: Likewise.
5771         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5772         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5773         * coretypes.h: Likewise.
5774         * crtstuff.c: Likewise.
5775         * defaults.h: Likewise.
5776         * dwarf2.h: Likewise.
5777         * emutls.c: Likewise.
5778         * gbl-ctors.h: Likewise.
5779         * gcov-io.h: Likewise.
5780         * ginclude/float.h: Likewise.
5781         * ginclude/iso646.h: Likewise.
5782         * ginclude/stdarg.h: Likewise.
5783         * ginclude/stdbool.h: Likewise.
5784         * ginclude/stddef.h: Likewise.
5785         * ginclude/stdfix.h: Likewise.
5786         * ginclude/stdint-gcc.h: Likewise.
5787         * ginclude/tgmath.h: Likewise.
5788         * gthr-aix.h: Likewise.
5789         * gthr-dce.h: Likewise.
5790         * gthr-gnat.c: Likewise.
5791         * gthr-gnat.h: Likewise.
5792         * gthr-lynx.h: Likewise.
5793         * gthr-mipssde.h: Likewise.
5794         * gthr-nks.h: Likewise.
5795         * gthr-posix.c: Likewise.
5796         * gthr-posix.h: Likewise.
5797         * gthr-posix95.h: Likewise.
5798         * gthr-rtems.h: Likewise.
5799         * gthr-single.h: Likewise.
5800         * gthr-solaris.h: Likewise.
5801         * gthr-tpf.h: Likewise.
5802         * gthr-vxworks.h: Likewise.
5803         * gthr-win32.h: Likewise.
5804         * gthr.h: Likewise.
5805         * libgcc2.c: Likewise.
5806         * libgcc2.h: Likewise.
5807         * libgcov.c: Likewise.
5808         * tsystem.h: Likewise.
5809         * typeclass.h: Likewise.
5810         * unwind-c.c: Likewise.
5811         * unwind-compat.h: Likewise.
5812         * unwind-dw2-fde-compat.c: Likewise.
5813         * unwind-dw2-fde-darwin.c: Likewise.
5814         * unwind-dw2-fde-glibc.c: Likewise.
5815         * unwind-dw2-fde.c: Likewise.
5816         * unwind-dw2-fde.h: Likewise.
5817         * unwind-dw2.c: Likewise.
5818         * unwind-dw2.h: Likewise.
5819         * unwind-generic.h: Likewise.
5820         * unwind-pe.h: Likewise.
5821         * unwind-sjlj.c: Likewise.
5822         * unwind.inc: Likewise.
5823         * config/arm/neon-gen.ml: Change generated copyright header to
5824         refer to version 3 of the GNU General Public License with
5825         version 3.1 of the GCC Runtime Library Exception and to point
5826         readers at the COPYING3 and COPYING3.RUNTIME files and the
5827         FSF's license web page.
5828         * config/arm/arm_neon.h: Regenerate.
5829
5830 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5831
5832         * config/cris/cris.md: Change copyright header to refer to version
5833         3 of the GNU General Public License.
5834         * doc/install.texi2html: Change copyright header to refer to version
5835         3 of the GNU General Public License and to point readers at the
5836         COPYING3 file and the FSF's license web page.
5837         * config/vax/linux.h: Likewise.
5838
5839 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5840
5841         * config/i386/i386.md (cmpcc): New.
5842         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5843         (sync_compare_and_swap_cc*): Delete.
5844
5845         * config/s390/s390.c (s390_compare_emitted): Remove.
5846         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5847         s390_compare_emitted used to be handled.  Assert that modes match.
5848         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5849         refer to sync_compare_and_swap_ccsi.
5850         * config/s390/s390.h (s390_compare_emitted): Remove.
5851         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5852         instead of s390_compare_emitted.
5853         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5854         instead of s390_compare_emitted.
5855         * config/s390/s390.md (cmpcc): New.
5856         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5857         CC_REGNUM, do not pretend it's set.
5858         (sync_compare_and_swap_cc*): Delete.
5859         * config/s390/predicates.md (cc_reg_operand): New.
5860
5861         * expr.c (sync_compare_and_swap_cc): Delete.
5862         * optabs.h (sync_compare_and_swap_cc): Delete.
5863         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5864         is being used with can_compare_p.
5865         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5866         (find_cc_set): New.
5867         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5868         look for a MODE_CC set instead.  Use emit_store_flag.
5869         (expand_compare_and_swap_loop): Likewise, with some additional
5870         complication to avoid a force_reg when useless.  Use
5871         emit_cmp_and_jump_insns.
5872         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5873         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5874         sync_compare_and_swap documentation.
5875
5876 2009-04-09  Jan Hubicka  <jh@suse.cz>
5877
5878         * except.c (find_prev_try): Break out from ....
5879         (duplicate_eh_regions): ... here; properly update prev_try pointers
5880         when duplication part of tree.
5881         (dump_eh_tree): Improve dumping.
5882         (verify_eh_region): New.
5883         (verify_eh_tree): Use it.
5884
5885 2009-04-06  Richard Guenther  <rguenther@suse.de>
5886
5887         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5888         &ARRAY addresses by adjusting their types and prepending
5889         a conversion.
5890         * tree-cfg.c (verify_gimple_assign_single): Verify that
5891         addresses are correct.
5892
5893 2009-04-09  Richard Guenther  <rguenther@suse.de>
5894
5895         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5896         indices into an array reference if possible.
5897         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5898         Fold POINTER_PLUS_EXPR statements with invariant address.
5899
5900 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5901
5902         PR target/39634
5903         * config.gcc (powerpc64-*-linux*): Always build biarch.
5904
5905 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5906
5907         PR c/39613
5908         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5909         it and pedwarn if this results in an INTEGER_CST.
5910
5911 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5912
5913         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5914         text in MPFR section.
5915
5916 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5917
5918         * dwarf2out.c (class_scope_p): New static inline.
5919         (class_or_namespace_scope_p): Use it.
5920         (gen_variable_die): Use DW_TAG_member tag for static data member
5921         declarations instead of DW_TAG_variable.
5922
5923         PR middle-end/39573
5924         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5925         variables.
5926
5927 2009-04-08  Richard Guenther  <rguenther@suse.de>
5928
5929         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5930         valueize random data.
5931
5932 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5933
5934         * config.gcc (aix tm_file):  Add aix-stdint.h.
5935         (aix tm clause use_gcc_stdint):  Set to wrap.
5936         * config/rs6000/aix-stdint.h:  New file.
5937
5938 2009-04-08  Richard Guenther  <rguenther@suse.de>
5939
5940         PR middle-end/36291
5941         * tree-dfa.c (add_referenced_var): Do not recurse into
5942         global initializers.
5943         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5944         exposed variables.
5945         (fold_const_aggregate_ref): Likewise.
5946
5947 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5948
5949         * recog.c (ordered_comparison_operator): New.
5950         * gensupport.c (std_preds): Add it.
5951         * doc/md.texi (Machine-Independent Predicates): Document it.
5952
5953 2009-04-08  Jan Hubicka  <jh@suse.cz>
5954
5955         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5956         * function.h (rtl_eh): Remove exception_handler_label_map.
5957         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5958         remove_exception_handler_label, for_each_eh_label_1): Remove.
5959         (rtl_remove_unreachable_regions): Remove.
5960         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5961         (find_exception_handler_labels): Don't build the hashtable.
5962         (maybe_remove_eh_handler): Remove.
5963         (for_each_eh_label): Rewrite to walk the tree.
5964         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5965         * except.h (maybe_remove_eh_handler): Remove.
5966         * passes.c (init_optimization_passes): Schedule second EH cleanup
5967         before out-of-ssa.
5968         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5969         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5970
5971 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5972
5973         * genoutput.c (validate_optab_operands): New.
5974         (gen_insn, gen_expand): Call it.
5975
5976         * genflags.c (gen_insn): Detect misused iterators.
5977         (main): Pass line_no to gen_insn, exit with status 1 on error.
5978
5979         * genextract.c (line_no): Make global.
5980         (VEC_safe_set_locstr): Change assertion to error message.
5981         (main): Exit with status 1 on error.
5982
5983 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5984
5985         PR c/39614
5986         PR c/39673
5987         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5988         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5989         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5990         * c-convert.c (convert): Do not call fold on results of conversion
5991         functions when the result is a C_MAYBE_CONST_EXPR.
5992         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5993         of __builtin_choose_expr.
5994         * c-typeck.c (remove_c_maybe_const_expr): New.
5995         (build_unary_op, build_conditional_expr, build_compound_expr,
5996         build_binary_op, c_objc_common_truthvalue_conversion): Call
5997         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5998         integer operands.
5999
6000 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6001
6002         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6003         CODE to produce a new one. Add a prototype to use fold_convert_const
6004
6005 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6006
6007         PR bootstrap/39660
6008         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6009         mix declarations and code.
6010
6011 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6012
6013         * gcc.c: Replace `CC' with `GCC' throughout.
6014
6015 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6016
6017         * doc/invoke.texi: Document Atom support.
6018
6019 2009-04-07  Jason Merrill  <jason@redhat.com>
6020
6021         PR c++/25185
6022         * c-common.h, c-common.c: Add flag_pretty_templates.
6023         * c-opts.c (c_common_handle_option): Set it.
6024         * c.opt: Add -fno-pretty-templates.
6025         * doc/invoke.texi (C++ Dialect Options): Likewise.
6026
6027 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6028
6029         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6030         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6031         (ia64_expand_builtin): Likewise.
6032
6033 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6034
6035         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6036         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6037         ADDR_EXPRS are include too.
6038
6039 2009-04-07  Richard Guenther  <rguenther@suse.de>
6040
6041         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6042         decls are only used if passes as parameters or if they are
6043         local statics and the call is not to a builtin.
6044         (call_may_clobber_ref_p_1): Likewise.
6045
6046 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6047
6048         * expr.c (do_store_flag): Remove last argument.  Simplify code
6049         to avoid duplication of tests already done by can_compare_p.
6050         (expand_expr_real_1): Adjust caller.
6051
6052 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6053
6054         * optabs.c (can_compare_p): Test the predicate of a
6055         cbranch and cstore pattern.
6056
6057 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6058
6059         * expr.c (convert_move): Use emit_store_flag instead of
6060         "emulating" it.
6061
6062 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6063
6064         * config/i386/i386.c (ix86_compare_emitted): Remove.
6065         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6066         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6067         * config/i386/i386.h (ix86_compare_emitted): Remove.
6068         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6069         instead of ix86_compare_emitted.
6070         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6071
6072 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6073
6074         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6075         Add t-sysroot-suffix to tmake_file.
6076         * config/print-sysroot-suffix.sh: New file.
6077         * config/t-sysroot-suffix: New file.
6078
6079 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6080
6081         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6082         as the latter produces a warning when the target does not support
6083         infinity.
6084
6085 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6086
6087         * dfp.c: Replace type punning assignments with memcpy throughout.
6088         * Makefile.in (dfp.o-warn): Remove.
6089
6090 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6091
6092         PR target/39634
6093         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6094         Include soft-fp/t-softfp after rs6000/t-linux64.
6095
6096 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6097
6098         * stor-layout.c (set_sizetype): Use the full precision of their
6099         machine mode for bitsize types.
6100
6101 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6102
6103         * config/i386/i386.md: Revert 2 accidental checkins.
6104
6105 2009-04-06  Joey Ye  <joey.ye@intel.com>
6106             Xuepeng Guo  <xuepeng.guo@intel.com>
6107             H.J. Lu  <hongjiu.lu@intel.com>
6108
6109         Atom pipeline model, tuning and insn selection.
6110         * config.gcc (atom): Add atom config options and target.
6111
6112         * config/i386/atom.md: New.
6113
6114         * config/i386/i386.c (atom_cost): New cost.
6115         (m_ATOM): New macro flag.
6116         (initial_ix86_tune_features): Set m_ATOM.
6117         (x86_accumulate_outgoing_args): Likewise.
6118         (x86_arch_always_fancy_math_387): Likewise.
6119         (processor_target): Add Atom cost.
6120         (cpu_names): Add Atom cpu name.
6121         (override_options): Set Atom ISA.
6122         (ix86_issue_rate): New case PROCESSOR_ATOM.
6123         (ix86_adjust_cost): Likewise.
6124
6125         * config/i386/i386.h (TARGET_ATOM): New target macro.
6126         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6127         (TARGET_OPT_AGU): New target option.
6128         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6129         (processor_type): Add PROCESSOR_ATOM.
6130
6131         * config/i386/i386.md (cpu): Add new value "atom".
6132         (use_carry, movu): New attr.
6133         (atom.md): Include atom.md.
6134         (adddi3_carry_rex64): Set attr "use_carry".
6135         (addqi3_carry): Likewise.
6136         (addhi3_carry): Likewise.
6137         (addsi3_carry): Likewise.
6138         (*addsi3_carry_zext): Likewise.
6139         (subdi3_carry_rex64): Likewise.
6140         (subqi3_carry): Likewise.
6141         (subhi3_carry): Likewise.
6142         (subsi3_carry): Likewise.
6143         (x86_movdicc_0_m1_rex64): Likewise.
6144         (*x86_movdicc_0_m1_se): Likewise.
6145         (x86_movsicc_0_m1): Likewise.
6146         (*x86_movsicc_0_m1_se): Likewise.
6147         (*adddi_1_rex64): Emit add insn as much as possible.
6148         (*addsi_1): Likewise.
6149         (return_internal): Set atom_unit.
6150         (return_internal_long): Likewise.
6151         (return_pop_internal): Likewise.
6152         (*rcpsf2_sse): Set atom_sse_attr attr.
6153         (*qrt<mode>2_sse): Likewise.
6154         (*prefetch_sse): Likewise.
6155
6156         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6157         PROCESSOR_ATOM.
6158         (ix86_target_macros_internal): Likewise.
6159
6160         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6161         (*prefetch_sse_rex): Likewise.
6162         (sse_rcpv4sf2): Likewise.
6163         (sse_vmrcpv4sf2): Likewise.
6164         (sse_sqrtv4sf2): Likewise.
6165         (<sse>_vmsqrt<mode>2): Likewise.
6166         (sse_ldmxcsr): Likewise.
6167         (sse_stmxcsr): Likewise.
6168         (*sse_sfence): Likewise.
6169         (sse2_clflush): Likewise.
6170         (*sse2_mfence): Likewise.
6171         (*sse2_lfence): Likewise.
6172         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6173         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6174         (avx_movdqu<avxmodesuffix>): Likewise.
6175         (avx_lddqu<avxmodesuffix>): Likewise.
6176         (sse2_movntv2di): Change attr "type" to "ssemov".
6177         (sse2_movntsi): Likewise.
6178         (rsqrtv8sf2): Change attr "type" to "sseadd".
6179         (sse3_addsubv2df3): Set attr "atom_unit".
6180         (sse3_h<plusminus_insn>v4sf3): Likewise.
6181         (*sse2_pmaddwd): Likewise.
6182         (*vec_extractv2di_1_rex64): Likewise.
6183         (*vec_extractv2di_1_avx): Likewise.
6184         (sse2_psadbw): Likewise.
6185         (ssse3_phaddwv8hi3): Likewise.
6186         (ssse3_phaddwv4hi3): Likewise.
6187         (ssse3_phadddv4si3): Likewise.
6188         (ssse3_phadddv2si3): Likewise.
6189         (ssse3_phaddswv8hi3): Likewise.
6190         (ssse3_phaddswv4hi3): Likewise.
6191         (ssse3_phsubwv8hi3): Likewise.
6192         (ssse3_phsubwv4hi3): Likewise.
6193         (ssse3_phsubdv4si3): Likewise.
6194         (ssse3_phsubdv2si3): Likewise.
6195         (ssse3_phsubswv8hi3): Likewise.
6196         (ssse3_phsubswv4hi3): Likewise.
6197         (ssse3_pmaddubsw128): Likewise.
6198         (sse3_pmaddubsw: Likewise.
6199         (ssse3_palignrti): Likewise.
6200         (ssse3_palignrdi): Likewise.
6201
6202 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6203
6204         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6205
6206 2009-04-06  Richard Guenther  <rguenther@suse.de>
6207
6208         PR tree-optimization/28868
6209         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6210         of which PHI results we inserted.
6211         (insert_into_preds_of_block): Record inserted PHIs.
6212         (eliminate): Eliminate redundant PHI nodes.
6213         (init_pre): Init inserted_phi_names.
6214
6215 2009-04-06  Richard Guenther  <rguenther@suse.de>
6216
6217         PR tree-optimization/39643
6218         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6219         IMAGPART_EXPRs of complex constants.
6220         (execute_fold_all_builtins): If we folded a call queue
6221         TODO_update_address_taken.
6222
6223 2009-04-06  Jan Hubicka  <jh@suse.cz>
6224
6225         PR middle-end/39659
6226         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6227         flag.
6228
6229 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6230
6231         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6232         delay slot.
6233         (ic_invalidate_array): Likewise.
6234
6235 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6236
6237         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6238         alignment for library calls.
6239
6240 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6241
6242         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6243         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6244         * config/i386/mingw-stdint.h:  New file.
6245
6246 2009-04-05  Richard Guenther  <rguenther@suse.de>
6247
6248         PR tree-optimization/39648
6249         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6250         our &A vs. &A[0] IL deficiencies.
6251
6252 2009-04-04  Jan Hubicka  <jh@suse.cz>
6253
6254         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6255         removed toplevel regions.
6256         (sjlj_mark_call_sites): Likewise.
6257
6258 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6259
6260         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6261         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6262         * config/i386/cygwin-stdint.h:  New file.
6263
6264 2009-04-04  Richard Guenther  <rguenther@suse.de>
6265
6266         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6267         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6268         single-argument PHIs if we are in loop-closed SSA form.
6269         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6270         for the pre-condition.
6271         (slpeel_tree_peel_loop_to_edge): Likewise.
6272         (vect_build_loop_niters): Take an optional sequence to append stmts.
6273         (vect_generate_tmps_on_preheader): Likewise.
6274         (vect_do_peeling_for_loop_bound): Take extra guards for the
6275         pre-condition.
6276         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6277         the cost model check.
6278         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6279         guards if we are going to peel.  Do not apply versioning in that case.
6280         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6281         (vect_do_peeling_for_loop_bound): Likewise.
6282         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6283         loop bound only record extra pre-conditions, do not apply loop
6284         versioning.
6285
6286 2009-04-04  Richard Guenther  <rguenther@suse.de>
6287
6288         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6289         renaming code.
6290
6291 2009-04-04  Jan Hubicka  <jh@suse.cz>
6292
6293         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6294         last_basic_block for size of bb->index indexed array.
6295         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6296         compute_out, link_btr_uses, build_btr_def_use_webs,
6297         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6298
6299 2009-04-04  Jan Hubicka  <jh@suse.cz>
6300
6301         * except.c (remove_eh_handler_and_replace): Break out from ...
6302         (remove_eh_handler): ... here.
6303         (bring_to_root): New function.
6304         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6305         handled ones, bring others to root of tree.
6306
6307 2009-04-04  Jan Hubicka  <jh@suse.cz>
6308
6309         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6310         (all_phis_safe_to_merge): New function.
6311         (update_info): New structure.
6312         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6313         (cleanup_empty_eh): Update SSA if possible.
6314
6315 2009-04-04  Richard Guenther  <rguenther@suse.de>
6316
6317         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6318         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6319         (append_vuse): Likewise.
6320
6321 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6322
6323         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6324         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6325         instead of REG_UNSAVED for DW_CFA_undefined.
6326         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6327         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6328         outermost frame.
6329
6330 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6331
6332         PR target/39501
6333         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6334         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6335         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6336
6337 2009-04-04  Richard Guenther  <rguenther@suse.de>
6338
6339         PR tree-optimization/8781
6340         PR tree-optimization/37892
6341         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6342         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6343         (valueize_refs): Call it for *& valueizations.
6344         (shared_reference_ops_from_ref): Rename to ...
6345         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6346         (shared_reference_ops_from_call): Rename to ...
6347         (valueize_shared_reference_ops_from_call): ... this and valueize.
6348         (vn_reference_lookup): Update.
6349         (visit_reference_op_call): Likewise.
6350         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6351         (eliminate): Value-replace the call address in call statements.
6352
6353 2009-04-04  Richard Guenther  <rguenther@suse.de>
6354
6355         PR tree-optimization/39636
6356         * tree-ssa-forwprop.c
6357         (forward_propagate_addr_into_variable_array_index): Check for
6358         GIMPLE_ASSIGN before accessing the rhs code.
6359
6360 2009-04-03  Jason Merrill  <jason@redhat.com>
6361
6362         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6363
6364 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6365
6366         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6367         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6368         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6369         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6370         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6371         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6372         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6373         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6374         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6375         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6376         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6377         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6378         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6379         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6380         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6381         Use fr_reg_or_fp01_operand instead of fr_register_operand
6382
6383         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6384         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6385         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6386
6387 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6388
6389         PR rtl-optimization/39607
6390         PR rtl-optimization/39631
6391
6392         Revert:
6393
6394         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6395         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6396         instead of DF_LR_OUT.
6397         * ira-lives.c (process_bb_node_lives): Ditto.
6398         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6399         instead of DF_LR_{OUT,IN}.
6400         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6401         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6402
6403 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6404
6405         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6406         (execute_lower_omp): Always run but take the short way out if -fopenmp
6407         is not given.
6408         (gate_lower_omp): Remove, forcing the pass manager to always run the
6409         pass and always set PROP_gimple_lomp.
6410         (pass_lower_omp): Remove gate function.
6411         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6412         PROP_trees.  Instead, require it.
6413         * ipa-cp.c (pass_ipa_cp): Likewise.
6414         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6415         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6416         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6417         and PROP_gimple_leh.
6418
6419 2009-04-03  Richard Guenther  <rguenther@suse.de>
6420
6421         PR middle-end/13146
6422         PR tree-optimization/23940
6423         PR tree-optimization/33237
6424         PR middle-end/33974
6425         PR middle-end/34093
6426         PR tree-optimization/36201
6427         PR tree-optimization/36230
6428         PR tree-optimization/38049
6429         PR tree-optimization/38207
6430         PR tree-optimization/38230
6431         PR tree-optimization/38301
6432         PR tree-optimization/38585
6433         PR middle-end/38895
6434         PR tree-optimization/38985
6435         PR tree-optimization/39299
6436         * tree-ssa-structalias.h: Remove.
6437         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6438         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6439         (struct vuse_element_d): Remove.
6440         (struct vuse_vec_d): Likewise.
6441         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6442         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6443         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6444         VUSE_ELEMENT_VAR): Likewise.
6445         (struct voptype_d): Likewise.
6446         (NUM_VOP_FREE_BUCKETS): Likewise.
6447         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6448         (struct stmt_operands_d): Remove.
6449         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6450         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6451         VDEF_NUM, VDEF_VECT): Likewise.
6452         (copy_virtual_operands): Remove.
6453         (operand_build_cmp): Likewise.
6454         (create_ssa_artificial_load_stmt): Likewise.
6455         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6456         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6457         vuse_index and mayuse_index members.  Pack and move done and iter_type
6458         members to the front.
6459         (SSA_OP_VMAYUSE): Remove.
6460         (SSA_OP_VIRTUAL_USES): Adjust.
6461         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6462         (unlink_stmt_vdef): Declare.
6463         (add_to_addressable_set): Remove.
6464         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6465         (vrp_visit_stmt): Likewise.
6466         * doc/tree-ssa.texi (Alias analysis): Update.
6467         * doc/invoke.texi (max-aliased-vops): Remove docs.
6468         (avg-aliased-vops): Likewise.
6469         * tree-into-ssa.c (syms_to_rename): Remove.
6470         (need_to_update_vops_p): Likewise.
6471         (need_to_initialize_update_ssa_p): Rename to ...
6472         (update_ssa_initialized_fn): ... this.  Track function we are
6473         initialized for.
6474         (symbol_marked_for_renaming): Simplify.
6475         (add_new_name_mapping): Do not set need_to_update_vops_p.
6476         (dump_currdefs): Use SYMS_TO_RENAME.
6477         (rewrite_update_stmt): Always walk all uses/defs.
6478         (dump_update_ssa): Adjust.
6479         (init_update_ssa): Take function argument.  Track what we are
6480         initialized for.
6481         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6482         (create_new_def_for): Initialize for cfun, assert we are initialized
6483         for cfun.
6484         (mark_sym_for_renaming): Simplify.
6485         (mark_set_for_renaming): Do not initialize update-ssa.
6486         (need_ssa_update_p): Simplify.  Take function argument.
6487         (name_mappings_registered_p): Assert we ask for the correct function.
6488         (name_registered_for_update_p): Likewise.
6489         (ssa_names_to_replace): Likewise.
6490         (release_ssa_name_after_update_ssa): Likewise.
6491         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6492         (dump_decl_set): Do not print a newline.
6493         (debug_decl_set): Do it here.
6494         (dump_update_ssa): And here.
6495         * tree-ssa-loop-im.c (move_computations): Adjust.
6496         (movement_possibility): Likewise.
6497         (determine_max_movement): Likewise.
6498         (gather_mem_refs_stmt): Likewise.
6499         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6500         or NAME_MEMORY_TAG.
6501         * tree-complex.c (update_all_vops): Remove.
6502         (expand_complex_move): Adjust.
6503         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6504         Simplify test for memory referencing statement.  Exclude
6505         non-invariant ADDR_EXPRs.
6506         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6507         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6508         (rdg_flag_uses): Likewise.
6509         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6510         related code.
6511         (tree_optimize_tail_calls_1): Also split the
6512         edge from the entry block if we have degenerate PHI nodes in
6513         the first basic block.
6514         * tree.c (init_ttree): Remove memory-tag related code.
6515         (tree_code_size): Likewise.
6516         (tree_node_structure): Likewise.
6517         (build7_stat): Re-write to be build6_stat.
6518         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6519         (SSA_VAR_P): Adjust.
6520         (struct tree_memory_tag): Remove.
6521         (struct tree_memory_partition_tag): Likewise.
6522         (union tree_node): Adjust.
6523         (build7): Re-write to be build6.
6524         * tree-pass.h (pass_reset_cc_flags): Remove.
6525         (TODO_update_address_taken): New flag.
6526         (pass_simple_dse): Remove.
6527         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6528         * params.h (MAX_ALIASED_VOPS): Remove.
6529         (AVG_ALIASED_VOPS): Likewise.
6530         * omp-low.c (expand_omp_taskreg): Update SSA form.
6531         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6532         aliases the lhs in a copy stmt.
6533         * tree-ssa-dse.c (struct address_walk_data): Remove.
6534         (memory_ssa_name_same): Likewise.
6535         (memory_address_same): Likewise.
6536         (get_kill_of_stmt_lhs): Likewise.
6537         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6538         unused stores.  Look through PHI nodes into post-dominated regions.
6539         (dse_optimize_stmt): Simplify.  Properly remove stores.
6540         (tree_ssa_dse): Compute dominators.
6541         (execute_simple_dse): Remove.
6542         (pass_simple_dse): Likewise.
6543         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6544         gimple_loaded_syms and gimple_stored_syms computation.
6545         * toplev.c (dump_memory_report): Dump alias and pta stats.
6546         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6547         (vn_reference_eq): Likewise.
6548         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6549         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6550         valueize_vuses): Remove.
6551         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6552         (get_def_ref_stmt_vuse): ... this.
6553         (vn_reference_lookup_2): New function.
6554         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6555         walking equivalent vuses.  Simplify.
6556         (vn_reference_lookup): Likewise.
6557         (vn_reference_insert): Likewise.
6558         (vn_reference_insert_pieces): Likewise.
6559         (visit_reference_op_call): Simplify.
6560         (visit_reference_op_load): Likewise.
6561         (visit_reference_op_store): Likewise.
6562         (init_scc_vn): Remove shared_lookup_vuses initialization.
6563         (free_scc_vn): Remove shared_lookup_vuses freeing.
6564         (sort_vuses, sort_vuses_heap): Remove.
6565         (get_ref_from_reference_ops): Export.
6566         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6567         vector with single vuse pointer.
6568         (vn_reference_lookup_pieces, vn_reference_lookup,
6569         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6570         (shared_vuses_from_stmt): Remove.
6571         (get_ref_from_reference_ops): Declare.
6572         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6573         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6574         memory-tag related code.
6575         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6576         (likely_value): Add comment, skip static-chain of call statements.
6577         (surely_varying_stmt_p): Adjust.
6578         (gimplify_and_update_call_from_tree): Likewise.
6579         (execute_fold_all_builtins): Do not rebuild alias info.
6580         (gimplify_and_update_call_from_tree): Properly update VOPs.
6581         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6582         (copy_ref_info): Remove memory-tag related code.
6583         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6584         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6585         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6586         computation.
6587         * tree-ssa-dom.c (gimple_p): Remove typedef.
6588         (eliminate_redundant_computations): Adjust.
6589         (record_equivalences_from_stmt): Likewise.
6590         (avail_expr_hash): Likewise.
6591         (avail_expr_eq): Likewise.
6592         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6593         (stmt_makes_single_load): Likewise.
6594         (stmt_makes_single_store): Likewise.
6595         * tree-ssa-alias.c: Rewrite completely.
6596         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6597         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6598         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6599         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6600         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6601         Remove public functions.
6602         (pass_reset_cc_flags): Remove.
6603         (pass_build_alias): Move ...
6604         * tree-ssa-structalias.c (pass_build_alias): ... here.
6605         * tree-ssa-alias.c (may_be_aliased): Move ...
6606         * tree-flow-inline.h (may_be_aliased): ... here.
6607         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6608         count_uses_and_derefs): Move ...
6609         * gimple.c: ... here.
6610         * gimple.h (count_uses_and_derefs): Declare.
6611         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6612         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6613         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6614         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6615         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6616         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6617         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6618         New functions.
6619         * tree-dfa.c (refs_may_alias_p): Move ...
6620         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6621         * tree-ssa-alias.h: New file.
6622         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6623         (statement_sink_location): Likewise.
6624         * opts.c (decode_options): Do not adjust max-aliased-vops or
6625         avg-aliased-vops values.
6626         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6627         (TV_CALL_CLOBBER): Likewise.
6628         (TV_FLOW_SENSITIVE): Likewise.
6629         (TV_FLOW_INSENSITIVE): Likewise.
6630         (TV_MEMORY_PARTITIONING): Likewise.
6631         (TV_ALIAS_STMT_WALK): New timevar.
6632         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6633         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6634         (get_address_description): Remove memory-tag related code.
6635         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6636         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6637         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6638         and immediate uses in statements.  Document.
6639         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6640         (dump_symbols): Remove.
6641         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6642         * alias.c (get_deref_alias_set): New function split out from ...
6643         (get_alias_set): ... here.
6644         * alias.h (get_deref_alias_set): Declare.
6645         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6646         type parameter.  Remove restrict pointer handling.  Create a
6647         ref-all pointer in case type-based alias sets do not conflict.
6648         (vect_analyze_data_refs): Remove SMT related code.
6649         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6650         (vectorizable_load): Likewise.
6651         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6652         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6653         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6654         Ignore vops and SMTs.
6655         (dr_analyze_alias): Likewise..
6656         (free_data_ref): Likewise.
6657         (create_data_ref): Likewise.
6658         (analyze_all_data_dependences): Likewise.
6659         (get_references_in_stmt): Adjust.
6660         * tree-flow-inline.h (gimple_aliases_computed_p,
6661         gimple_addressable_vars, gimple_call_clobbered_vars,
6662         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6663         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6664         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6665         gimple_mem_ref_stats): Remove.
6666         (gimple_vop): New function.
6667         (op_iter_next_use): Remove vuses and mayuses cases.
6668         (op_iter_next_def): Remove vdefs case.
6669         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6670         (clear_and_done_ssa_iter): Do not set removed fields.
6671         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6672         Assert we are not iterating over vuses or vdefs if not also
6673         iterating over uses or defs.
6674         (op_iter_init_use): Likewise.
6675         (op_iter_init_def): Likewise.
6676         (op_iter_next_vdef): Remove.
6677         (op_iter_next_mustdef): Likewise.
6678         (op_iter_init_vdef): Likewise.
6679         (compare_ssa_operands_equal): Likewise.
6680         (link_use_stmts_after): Handle vuse operand.
6681         (is_call_used): Use is_call_clobbered.
6682         (is_call_clobbered): Global variables are always call clobbered,
6683         query the call-clobbers bitmap.
6684         (mark_call_clobbered): Ignore global variables.
6685         (clear_call_clobbered): Likewise.
6686         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6687         virtual operands sanity check.
6688         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6689         Remove.
6690         (TARGET_MEM_REF): Remove TMR_TAG operand.
6691         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6692         Remove call-clobber related code.
6693         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6694         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6695         partitions or escape reason.
6696         (get_single_def_stmt, get_single_def_stmt_from_phi,
6697         get_single_def_stmt_with_phi): Remove.
6698         (dump_referenced_vars): Tidy.
6699         (get_ref_base_and_extent): Allow bare decls.
6700         (collect_dfa_stats): Adjust.
6701         * graphite.c (rename_variables_in_stmt): Adjust.
6702         (graphite_copy_stmts_from_block): Likewise.
6703         (translate_clast): Likewise.
6704         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6705         (EXPR_DIES): New.
6706         (translate_vuse_through_block): Use the oracle.
6707         (phi_translate_1): Adjust.
6708         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6709         in EXPR_DIES.
6710         (valid_in_sets): Check if the VUSE for
6711         a REFERENCE is available.
6712         (eliminate): Do not remove stmts during elimination,
6713         instead queue and remove them afterwards.
6714         (do_pre): Do not rebuild alias info.
6715         (pass_pre): Run TODO_rebuild_alias before PRE.
6716         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6717         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6718         (mark_all_v_defs_stmt): Remove.
6719         (mark_all_v_defs_seq): Adjust.
6720         (sra_replace): Likewise.
6721         (scalarize_use): Likewise.
6722         (scalarize_copy): Likewise.
6723         (scalarize_init): Likewise.
6724         (scalarize_ldst): Likewise.
6725         (todoflags): Remove.
6726         (tree_sra): Do not rebuild alias info.
6727         (tree_sra_early): Adjust.
6728         (pass_sra): Run TODO_update_address_taken before SRA.
6729         * tree-predcom.c (set_alias_info): Remove.
6730         (prepare_initializers_chain): Do not call it.
6731         (mark_virtual_ops_for_renaming): Adjust.
6732         (mark_virtual_ops_for_renaming_list): Remove.
6733         (initialize_root_vars): Adjust.
6734         (initialize_root_vars_lm): Likewise.
6735         (prepare_initializers_chain): Likewise.
6736         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6737         (may_propagate_copy_into_stmt): Likewise.
6738         (merge_alias_info): Do nothing for now.
6739         (propagate_tree_value_into_stmt): Adjust.
6740         (stmt_may_generate_copy): Likewise.
6741         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6742         not mark symbols for renaming.
6743         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6744         with the same statement, make sure to update the new pointed-to one.
6745         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6746         call statements, do not mark symbols for renaming.
6747         (mark_operand_necessary): Dump something.
6748         (ref_may_be_aliased): New function.
6749         (mark_aliased_reaching_defs_necessary_1): New helper function.
6750         (mark_aliased_reaching_defs_necessary): Likewise.
6751         (mark_all_reaching_defs_necessary_1): Likewise.
6752         (mark_all_reaching_defs_necessary): Likewise.
6753         (propagate_necessity): Do not process virtual PHIs.  For
6754         non-aliased loads mark all reaching definitions as necessary.
6755         For aliased loads and stores mark the immediate dominating
6756         aliased clobbers as necessary.
6757         (visited): New global static.
6758         (perform_tree_ssa_dce): Free visited bitmap after propagating
6759         necessity.
6760         (remove_dead_phis): Perform simple dead virtual PHI removal.
6761         (remove_dead_stmt): Properly unlink virtual operands when
6762         removing stores.
6763         (eliminate_unnecessary_stmts): Schedule PHI removal after
6764         stmt removal.
6765         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6766         (process_replaceable): Likewise.
6767         (find_replaceable_in_bb): Likewise.
6768         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6769         based on the single gimple vop.
6770         (verify_flow_insensitive_alias_info): Remove.
6771         (verify_flow_sensitive_alias_info): Likewise.
6772         (verify_call_clobbering): Likewise.
6773         (verify_memory_partitions): Likewise.
6774         (verify_alias_info): Likewise.
6775         (verify_ssa): Adjust..
6776         (execute_update_addresses_taken): Export.  Update SSA
6777         manually.  Optimize only when optimizing.  Use a local bitmap.
6778         (pass_update_address_taken): Remove TODO_update_ssa, add
6779         TODO_dump_func.
6780         (pass_update_address_taken): Just use TODO_update_address_taken.
6781         (init_tree_ssa): Do not initialize addressable_vars.
6782         (verify_ssa): Verify new VUSE / VDEF properties.
6783         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6784         Do not call verify_alias_info.
6785         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6786         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6787         and callused solutions.  Do not free addressable_vars.
6788         Remove memory-tag related code.
6789         (warn_uninitialized_var): Aliases are always available.
6790         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6791         * lambda-code.c (can_put_in_inner_loop): Adjust.
6792         (can_put_after_inner_loop): Likewise.
6793         (perfect_nestify): Likewise.
6794         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6795         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6796         (vectorizable_conversion): Do not mark symbols for renaming.
6797         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6798         (expand_call_inline): Unlink the calls virtual operands before
6799         replacing it.
6800         (tree_function_versioning): Do not call update_ssa if we are not
6801         updating clones.  Simplify.
6802         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6803         (propagate_with_phi): Likewise..
6804         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6805         clobber code.  Assert we are not aliased or global.
6806         * tree-flow.h: Include tree-ssa-alias.h
6807         (enum escape_type): Remove.
6808         (struct mem_sym_stats_d): Likewise.
6809         (struct mem_ref_stats_d): Likewise.
6810         (struct gimple_df): Add vop member.  Remove global_var,
6811         call_clobbered_vars, call_used_vars, addressable_vars,
6812         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6813         escaped and callused members.
6814         (struct ptr_info_def): Remove all members, add points-to solution
6815         member pt.
6816         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6817         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6818         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6819         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6820         (tree-ssa-alias.o): Likewise.
6821         (toplev.o): Add tree-ssa-alias.h
6822         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6823         * gimple.c (gimple_set_bb): Fix off-by-one error.
6824         (is_gimple_reg): Do not handle memory tags.
6825         (gimple_copy): Also copy virtual operands.
6826         Delay updating the statement.  Do not reset loaded and stored syms.
6827         (gimple_set_stored_syms): Remove.
6828         (gimple_set_loaded_syms): Likewise.
6829         (gimple_call_copy_skip_args): Copy the virtual operands
6830         and mark the new statement modified.
6831         * tree-ssa-structalias.c (may_alias_p): Remove.
6832         (set_uids_in_ptset): Take the alias set to prune with as
6833         parameter.  Fold in the alias test of may_alias_p.
6834         (compute_points_to_sets): Compute whether a ptr is dereferenced
6835         in a local sbitmap.
6836         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6837         other ADDRESSOF constraints on the lhs.
6838         (get_constraint_for_component_ref): Assert that we don't get
6839         ADDRESSOF constraints from the base of the reference.
6840         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6841         (struct variable_info): Remove collapsed_to member.
6842         (get_varinfo_fc): Remove.
6843         (new_var_info): Do not set collapsed_to.
6844         (dump_constraint): Do not follow cycles.
6845         (dump_constraint_graph): Likewise.
6846         (build_pred_graph): Likewise.
6847         (build_succ_graph): Likewise.
6848         (rewrite_constraints): Likewise.
6849         (do_simple_structure_copy): Remove.
6850         (do_rhs_deref_structure_copy): Remove.
6851         (do_lhs_deref_structure_copy): Remove.
6852         (collapse_rest_of_var): Remove.
6853         (do_structure_copy): Re-implement.
6854         (pta_stats): New global variable.
6855         (dump_pta_stats): New function.
6856         (struct constraint_expr): Make offset signed.
6857         (UNKNOWN_OFFSET): Define special value.
6858         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6859         (solution_set_expand): New helper function split out from ...
6860         (do_sd_constraint): ... here.
6861         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6862         (do_ds_constraint): Likewise.
6863         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6864         and CALLUSED = *CALLUSED.
6865         (set_union_with_increment): Make inc argument signed.
6866         (type_safe): Remove.
6867         (get_constraint_for_ptr_offset): Handle unknown and negative
6868         constant offsets.
6869         (first_vi_for_offset): Handle offsets before start.  Bail
6870         out early for offsets beyond the variable extent.
6871         (first_or_preceding_vi_for_offset): New function.
6872         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6873         Together with ESCAPED = *ESCAPED this properly computes reachability.
6874         (find_what_var_points_to): New function.
6875         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6876         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6877         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6878         pt_solutions_intersect): New functions.
6879         (compute_call_used_vars): Remove.
6880         (compute_may_aliases): New main entry into PTA computation.
6881         * gimple.h (gimple_p): New typedef.
6882         (struct gimple_statement_base): Remove references_memory_p.
6883         (struct gimple_statement_with_memory_ops_base): Remove
6884         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6885         members.
6886         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6887         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6888         gimple_set_references_memory): Remove.
6889         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6890         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6891         New functions.
6892         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6893         (verify_expr): Allow RESULT_DECL.
6894         (gimple_duplicate_bb): Do not copy virtual operands.
6895         (gimple_duplicate_sese_region): Adjust.
6896         (gimple_duplicate_sese_tail): Likewise.
6897         (mark_virtual_ops_in_region): Remove.
6898         (move_sese_region_to_fn): Do not call it.
6899         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6900         and pass_simple_dse.
6901         (execute_function_todo): Handle TODO_update_address_taken,
6902         call execute_update_addresses_taken for TODO_rebuild_alias.
6903         (execute_todo): Adjust.
6904         (execute_one_pass): Init dump files early.
6905         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6906         call-clobbered.
6907         (create_general_new_stmt): Clear vops.
6908         * tree-ssa-reassoc.c (get_rank): Adjust.
6909         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6910         symbols for renaming.
6911         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6912         (PARAM_AVG_ALIASED_VOPS): Likewise.
6913         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6914         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6915         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6916         (operand_build_cmp, copy_virtual_operands,
6917         create_ssa_artificial_load_stmt, add_to_addressable_set,
6918         gimple_add_to_addresses_taken): Remove public functions.
6919         (unlink_stmt_vdef): New function.
6920
6921 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6922
6923         * config.gcc (powerpc-*-linux*): Merge variants.
6924
6925 2009-04-02  Chao-ying Fu  <fu@mips.com>
6926             James Grosbach  <james.grosbach@microchip.com>
6927
6928         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6929         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6930         cop0_sp_offset.
6931         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6932         keep_interrupts_masked_p, use_debug_exception_return_p.
6933         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6934         keep_interrupts_masked, use_debug_exception_return.
6935         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6936         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6937         New functions.
6938         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6939         (mips_print_operand): Process COP0 registers to print $0 .. $31
6940         correctly for GAS to process.
6941         (mips_interrupt_extra_call_saved_reg_p): New function.
6942         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6943         extra registers.
6944         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6945         (mips_compute_frame_info): Add supports for interrupt context that
6946         includes doubleword accumulators and COP0 registers.
6947         (mips_for_each_saved_acc): New function.
6948         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6949         mips_for_each_saved_reg.
6950         (mips_save_reg): Save accumulators.
6951         (mips_kernel_reg_p): A new for_each_rtx callback.
6952         (mips_expand_prologue): Support interrupt handlers.
6953         (mips_restore_reg): Restore accumulators.
6954         (mips_expand_epilogue): Support interrupt handlers.
6955         (mips_can_use_return_insn): Return false for interrupt handlers.
6956         (mips_epilogue_uses): New function.
6957         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6958         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6959         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6960         cop0_move): New instructions.
6961         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6962         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6963         defines.
6964         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6965         New defines.
6966         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6967         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6968         interrupt handlers, we use K0 as the temporary register.
6969         (EPILOGUE_USES): Change to a function call.
6970         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6971         handlers, we use K0 as the temporary register.
6972
6973         * doc/extend.texi (Function Attributes): Document interrupt,
6974         use_shadow_register_set, keep_interrupts_masked,
6975         use_debug_exception_return for MIPS attributes.
6976
6977 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6978
6979         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6980         Remove a number of t-files from tmake_file.
6981         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6982         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6983         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6984         target_prototype, not TARGET_PROTOTYPE.
6985         (LINK_OS_GNU_SPEC): Define.
6986         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6987         and darwin-ldoubdle.c.
6988
6989 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6990
6991         PR driver/39293
6992         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6993         (cpp_options): Ditto.
6994         (default_compilers): Ditto.
6995         (display_help): Ditto.
6996         (process_command): Ditto.
6997         (do_spec_1): Ditto.
6998         (set_input): Use lbasename instead of duplicate code.
6999         (save_temps_prefix): New static for -save-temps=obj.
7000         (save_temps_length): Ditto.
7001
7002         * doc/invoke.texi (-save-temps=obj): Document new variant to
7003         -save-temps switch.
7004
7005 2009-04-02  Jeff Law  <law@redhat.com>
7006
7007         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7008         variable.
7009
7010 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7011
7012         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7013         * configure: Regenerated.
7014
7015 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7016
7017         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7018         share the argument list.
7019
7020 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7021
7022         Merge
7023
7024         2009-02-12  Diego Novillo  <dnovillo@google.com>
7025
7026         * varpool.c (debug_varpool): New.
7027         * cgraph.h (debug_varpool): Declare.
7028
7029 2009-04-02  Jan Hubicka  <jh@suse.cz>
7030
7031         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7032         pass.
7033
7034 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7035
7036         * config/i386/i386.c (ix86_abi): Move initialization to ...
7037         (override_options): Here.
7038
7039 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7040
7041         * config/sh/sh.c (sh_dwarf_register_span): New function.
7042         (TARGET_DWARF_REGISTER_SPAN): Define.
7043         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7044
7045 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7046
7047         PR tree-optimization/39595
7048         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7049         interleaved loads group is not  greater than the SLP group size.
7050
7051 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7052
7053         * builtins.c (is_builtin_name): New.
7054         (called_as_built_in): Use is_builtin_name.
7055         * tree.h (is_builtin_name): New.
7056         * varasm.c (incorporeal_function_p): Use is_builtin_name
7057
7058 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7059
7060         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7061
7062 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7063
7064         PR c++/26693
7065         * c-decl.c (clone_underlying_type): Move this ...
7066         * c-common.c (set_underlying_type): ... here.
7067         Also, make sure the function properly sets TYPE_STUB_DECL() on
7068         the newly created typedef variant type.
7069         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7070         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7071         points.
7072
7073 2009-04-02  Richard Guenther  <rguenther@suse.de>
7074
7075         PR tree-optimization/37221
7076         * tree-flow.h (degenerate_phi_result): Declare.
7077         * tree-ssa-dom.c (degenerate_phi_result): Export.
7078         * tree-scalar-evolution.c (analyze_initial_condition): If
7079         the initial condition is defined by a degenerate PHI node
7080         use the degenerate value.
7081
7082 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7083
7084         PR rtl-optimization/39588
7085         * combine.c (merge_outer_ops): Do not set the constant when this
7086         is not necessary.
7087         (simplify_shift_const_1): Do not modify it either in this case.
7088
7089 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7090
7091         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7092         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7093
7094 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7095
7096         PR c/29027
7097         * c-lex.c (interpret_float): Default (no suffix) is double.
7098
7099 2009-04-1  Xinliang David Li  <davidxl@google.com>
7100
7101         * config/i386/i386.c (legitimate_constant_p): Recognize
7102         all one vector constant.
7103
7104 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7105
7106         * config/vax/vax.c: Add #includes to silence warnings.
7107         Change #include order to silence two warnings.
7108
7109 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7110
7111         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7112         (ASM_SPEC): Pass -k to the assembler for PIC code.
7113
7114 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7115
7116         * config.gcc: Add vax-*-linux* to the switch.
7117         * config/vax/linux.h: New file. (TARGET_VERSION,
7118         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7119
7120 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7121
7122         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7123         Use predicate macros instead of GET_CODE() == foo.
7124         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7125         ashlsi3, rotrsi3, <unnamed>): Likewise.
7126
7127 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7128
7129         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7130         jbbccihi, jbbccisi): Remova trailing whitespace.
7131         * config/vax/constraints.md: Likewise.
7132         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7133         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7134         * config/vax/predicates.md: Likewise.
7135         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7136         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7137         * config/vax/vax.h: Likewise.
7138         * config/vax/vax.md (nonlocal_goto): Likewise.
7139
7140 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7141
7142         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7143         (indirectable_address_p, adjacent_operands_p): Add spaces around
7144         braces.
7145         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7146
7147 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7148
7149         * config/vax/vax.c (legitimate_constant_address_p,
7150         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7151         index_term_p, reg_plus_index_p, legitimate_address_p,
7152         vax_mode_dependent_address_p): Update comments to match functions
7153         modified by the recent int->bool conversion.
7154
7155 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7156
7157         * config/vax/builtins.md: Update copyright message.
7158         * config/vax/constraints.md: Likewise.
7159         * config/vax/netbsd-elf.h: Likewise.
7160         * config/vax/predicates.md: Likewise.
7161         * config/vax/vax-protos.h: Likewise.
7162         * config/vax/vax.c: Likewise.
7163         * config/vax/vax.h: Likewise.
7164         * config/vax/vax.md: Likewise.
7165         * config/vax/vax.opt: Likewise.
7166
7167 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7168
7169         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7170         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7171         * config/vax/constraints.md (B, R): Likewise.
7172         * config/vax/predicates.md (external_memory_operand,
7173         nonimmediate_addsub_di_operand): Likewise.
7174         * config/vax/vax.c (vax_output_int_add): Likewise.
7175         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7176         untyped_call): Likewise.
7177
7178 2009-04-01  Matt Thomas  <matt@3am-software.com>
7179
7180         * config/vax/predicates.md: New file.
7181         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7182         external_const_operand, nonsymbolic_operand, external_memory_operand,
7183         indirect_memory_operand, indexed_memory_operand,
7184         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7185         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7186         predicate.
7187         * config/vax/constraints.md: New file.
7188         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7189         New constraint.
7190         * config/vax/builtins.md: New file.
7191         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7192         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7193         jbbccisi): Define.
7194         * config/vax/vax.opt (mqmath): Add option.
7195         * config/vax/vax.md (isfx): Extend with DI.
7196         (VAXintQH, VAXintQHSD): Define.
7197         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7198         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7199         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7200         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7201         (movdi): Update constraints and use vax_output_int_move().
7202         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7203         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7204         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7205         nonlocal_goto): New.
7206         (mov<mode>): Extend accepted operand types.
7207         (subdi3_old): Rename from subdi3, change update constraints and use
7208         a new implementation.
7209         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7210         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7211         MOVE_RATIO, CLEAR_RATIO): Define.
7212         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7213         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7214         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7215         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7216         (split_quadword_operands): Make static and really allow variable
7217         splitting.
7218         (print_operand_address): Update for PIC generation.
7219         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7220         indexable_address_p, fixup_mathdi_operand,
7221         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7222         (vax_float_literal, legitimate_constant_p,
7223         indirectable_constant_address_p, index_term_p,
7224         reg_plus_index_p): Return bool instead of int.
7225         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7226         where needed.
7227         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7228         generation.
7229         (vax_output_conditional_branch): Indent.
7230         (legitimate_constant_address_p, indirectable_constant_address_p,
7231         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7232         vax_mode_dependent_address_p): Return bool instead of int, update for
7233         PIC generation.
7234         * config/vax/vax-protos.h (legitimate_constant_address_p,
7235         legitimate_constant_p, legitimate_address_p,
7236         vax_mode_dependent_address_p): Change declaration to bool.
7237         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7238         vax_expand_addsub_di_operands, vax_output_int_subtract,
7239         vax_output_movmemsi): Declare.
7240         (split_quadword_operands, vax_float_literal): Delete declaration.
7241         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7242         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7243         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7244         ASM_OUTPUT_DWARF_PCREL): Define.
7245         (ASM_SPEC): Change definition to allow PIC generation.
7246
7247 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7248
7249         * doc/sourcebuild.texi: Update front-end requirements.
7250
7251 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7252
7253         PR target/39226
7254         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7255         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7256         (booldi3_internal3): Use boolean_or_operator instead of
7257         boolean_operator.
7258
7259 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7260
7261         PR c/39605
7262         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7263         declarator whose size is not an integer constant expression but
7264         folds to an integer constant, then treat it as a constant
7265         subsequently.
7266
7267 2009-04-01  Richard Guenther  <rguenther@suse.de>
7268
7269         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7270         i * 4 + 2 to (i * 2 + 1) * 2.
7271
7272 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7273
7274         PR c/37772
7275         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7276         return if c_parser_asm_string_literal returned NULL.
7277
7278 2009-04-01  Nick Clifton  <nickc@redhat.com>
7279
7280         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7281         already defined.
7282         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7283         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7284         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7285         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7286         include it.
7287         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7288         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7289         then include it.
7290
7291 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7292
7293         * varasm.c (default_function_rodata_section): Declare DOT as
7294         const char*.
7295
7296 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7297             Andrey Galkin  <agalkin@hypercom.com>
7298
7299         PR/39492
7300         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7301         Make object_name unique for each process.
7302
7303 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7304
7305         PR other/39591
7306         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7307         addressable variables in the parallel that could go out of scope while
7308         running queued tasks.
7309
7310 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7311
7312         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7313         (CASE_VALUES_THRESHOLD): Redefine.
7314         * config/avr/avr.c (avr_override_options): Remove initialization of
7315         avr_case_values_threshold variable.
7316         (avr_case_values_threshold): Remove variable. Add new function.
7317         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7318         * config/avr/avr.opt (mno-tablejump): Remove option.
7319         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7320
7321 2009-04-01  DJ Delorie  <dj@redhat.com>
7322
7323         * varasm.c (default_function_rodata_section): Don't assume
7324         anything about where the first '.' in the section name is.
7325
7326 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7327
7328         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7329         rs6000_emit_stack_tie.
7330
7331 2009-03-31  Ian Lance Taylor  <iant@google.com>
7332
7333         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7334         gimple_code with GIMPLE_RESX, not RESX.
7335
7336 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7337
7338         * c-common.c (c_get_ident): New.
7339         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7340
7341 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7342
7343         * config/rs6000/sysv4.opt (msdata): Improve option description.
7344
7345 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7346
7347         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7348         (divdf3_internal_lat): Remove.
7349         (divxf3_internal_lat): Remove.
7350         (divxf3_internal_thr): Remove.
7351         (divxf): Use divxf3_internal.
7352         * config/ia64/div.md (divsf3_internal_lat): New.
7353         (divdf3_internal_lat): New.
7354         (divxf3_internal): New.
7355
7356 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7357
7358         PR c/448
7359         * Makefile.in (USE_GCC_STDINT): Define.
7360         (stmp-int-hdrs): Install stdint.h if applicable.
7361         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7362         if known.
7363         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7364         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7365         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7366         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7367         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7368         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7369         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7370         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7371         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7372         (c_common_nodes_and_builtins): Initialize
7373         underlying_wchar_type_node.  Do not initialize
7374         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7375         nodes for new types.
7376         (c_stddef_cpp_builtins): Define macros for new types.
7377         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7378         Remove.
7379         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7380         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7381         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7382         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7383         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7384         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7385         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7386         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7387         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7388         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7389         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7390         int16_type_node, int32_type_node, int64_type_node,
7391         uint8_type_node, uint16_type_node, c_uint32_type_node,
7392         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7393         int_least32_type_node, int_least64_type_node,
7394         uint_least8_type_node, uint_least16_type_node,
7395         uint_least32_type_node, uint_least64_type_node,
7396         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7397         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7398         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7399         uintptr_type_node): Define.
7400         * c-cppbuiltin.c (builtin_define_constants,
7401         builtin_define_type_minmax): New.
7402         (builtin_define_stdint_macros): Define more macros.
7403         (c_cpp_builtins): Define more limit macros.
7404         (type_suffix): New.
7405         (builtin_define_type_max): Define in terms of
7406         builtin_define_type_minmax.  Remove is_long parameter.  All
7407         callers changed.
7408         * config.gcc (use_gcc_stdint): Define.
7409         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7410         Add newlib-stdint.h for generic targets.
7411         * config/glibc-stdint.h, config/newlib-stdint.h,
7412         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7413         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7414         * config/score/score.h (UINTPTR_TYPE): Define.
7415         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7416         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7417         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7418         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7419         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7420         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7421         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7422         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7423         * config/spu/spu.h (STDINT_LONG32): Define.
7424         * configure.ac (use_gcc_stdint): Substitute.
7425         * configure: Regenerate.
7426         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7427         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7428         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7429         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7430         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7431         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7432         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7433         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7434         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7435         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7436         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7437         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7438         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7439         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7440         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7441         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7442         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7443         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7444         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7445         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7446         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7447         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7448         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7449         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7450         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7451         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7452         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7453         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7454         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7455
7456 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7457
7458         * loop-iv.c (suitable_set_for_replacement): Renamed from
7459         simplify_using_assignment; changed to return bool and to accept new
7460         args DEST and SRC.  Return true iff we find a source/destination pair
7461         that can be used to make a replacement, and fill SRC and DEST if so.
7462         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7463         changed.
7464         (simplify_using_initial_values): Deal with altered regs here and track
7465         more precisely the effect they have on the validity of our expression.
7466
7467         * loop-iv.c (simplify_using_condition): A condition of the form
7468         (EQ REG CONST) can be used to simply make a substitution.
7469         (simplify_using_initial_values): Keep track of conditions we have seen
7470         and keep using them to simplify new expressions, while applying the
7471         same substitutions to them as to the expression.
7472
7473         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7474         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7475         GEU/LTU reversed.
7476
7477         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7478         changed.  Use this when trying to improve the upper bound.
7479         Generate the comparison by using simplify_gen_relational.
7480
7481         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7482
7483         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7484         functions.
7485         (simplify_using_assignment, simplify_using_initial_values): Call
7486         replace_in_expr to make replacements.  Call replace_single_def_regs
7487         once on the initial version of the expression.
7488
7489 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7490
7491         PR target/27237
7492         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7493
7494 2009-03-31  Richard Guenther  <rguenther@suse.de>
7495
7496         PR middle-end/31029
7497         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7498         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7499
7500 2009-03-31  Richard Guenther  <rguenther@suse.de>
7501
7502         * tree.h (div_if_zero_remainder): Declare.
7503         * fold-const.c (div_if_zero_remainder): Export.
7504         * tree-ssa-forwprop.c
7505         (forward_propagate_addr_into_variable_array_index): Handle
7506         constant array index addition outside of the variable index.
7507
7508 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7509
7510         PR target/39592
7511         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7512         define_splits, floatunssi<mode>2): Require x87 conversions from
7513         DImode to be permitted.
7514
7515 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7516
7517         PR preprocessor/15638
7518         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7519
7520 2009-03-31  Richard Guenther  <rguenther@suse.de>
7521
7522         PR middle-end/23401
7523         PR middle-end/27810
7524         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7525         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7526         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7527         a separate statement.
7528         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7529         (lookup_tmp_var): Likewise.
7530         (is_gimple_formal_tmp_or_call_rhs): Remove.
7531         (is_gimple_reg_or_call_rhs): Rename to ...
7532         (is_gimple_reg_rhs_or_call): ... this.
7533         (is_gimple_mem_or_call_rhs): Rename to ...
7534         (is_gimple_mem_rhs_or_call): ... this.
7535         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7536         DECL_GIMPLE_REG_P only if is_formal is true.
7537         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7538         for non-proper post-modify expression gimplification.
7539         (gimplify_self_mod_expr): For post-modify expressions gimplify
7540         the lvalue to a minimal lvalue.
7541         (rhs_predicate_for): Remove formal temp case.
7542         (gimplify_modify_expr_rhs): Likewise.
7543         (gimplify_addr_expr): Use is_gimple_reg.
7544         (gimplify_expr): Remove formal temp cases.
7545         (gimple_regimplify_operands): Likewise.
7546         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7547         and FILTER_EXPR like constants.
7548         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7549         is_gimple_reg.
7550         (is_gimple_formal_tmp_rhs): Remove.
7551         (is_gimple_reg_rhs): Remove special casing.
7552         (is_gimple_mem_rhs): Fix.
7553         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7554         (is_gimple_formal_tmp_var): Remove.
7555         (is_gimple_formal_tmp_reg): Likewise.
7556         (is_gimple_min_lval): Allow invariant component ref parts.
7557         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7558         is_gimple_formal_tmp_reg): Remove declarations.
7559         * tree-cfg.c (verify_expr): Verify that variables with address
7560         taken do not have DECL_GIMPLE_REG_P set.
7561         * tree-mudflap.c (mf_build_check_statement_for): Use
7562         force_gimple_operand instead of gimplify_expr.
7563
7564 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7565
7566         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7567         schedulable rows to compute_split_row.
7568
7569 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7570
7571         PR target/31635
7572         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7573         OPT_mvrsave.
7574
7575 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7576
7577         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7578         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7579         * configure: Regenerate.
7580         * config.in: Regenerate.
7581         * config/rs6000/rs6000.opt (mtls-markers): Add.
7582         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7583         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7584         (tls_ld_aix, tls_ld_sysv): Likewise.
7585         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7586         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7587
7588 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7589
7590         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7591
7592 2009-03-30  Jan Hubicka  <jh@suse.cz>
7593
7594         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7595         out of RESX.
7596         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7597         detection and label handling.
7598
7599 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7600
7601         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7602         left_conflicts_size.
7603         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7604         ALLOCNO_LEFT_CONFLICTS_SIZE.
7605
7606         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7607         remove_allocno_from_bucket_and_push,
7608         allocno_spill_priority_compare, push_allocnos_to_stack,
7609         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7610         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7611         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7612         setup_allocno_left_conflicts_size.
7613         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7614         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7615         setup_allocno_left_conflicts_size instead of
7616         setup_allocno_left_conflicts_num.
7617
7618         * ira-build.c (ira_create_allocno): Use
7619         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7620         ALLOCNO_LEFT_CONFLICTS_NUM.
7621
7622 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7623
7624         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7625         instead of DF_LR_OUT.
7626
7627         * ira-lives.c (process_bb_node_lives): Ditto.
7628
7629         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7630         instead of DF_LR_{OUT,IN}.
7631
7632         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7633
7634         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7635
7636 2009-03-30  Jan Hubicka  <jh@suse.cz>
7637
7638         * except.c (label_to_region_map): Fix thinko.
7639
7640 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7641
7642         PR middle-end/38237
7643         * tree.h (tree_find_value): New declaration.
7644         * tree.c (tree_find_value): New function.
7645         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7646
7647 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7648
7649         PR debug/39563
7650         * c-decl.c (struct c_binding): Add locus field.
7651         (bind): Add locus argument, set locus field from it.
7652         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7653         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7654         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7655         implicitly_declare, undeclared_variable, lookup_label,
7656         declare_label, c_make_fname_decl, c_builtin_function,
7657         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7658         bind callers.
7659
7660 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7661
7662         PR target/38781
7663         * config/i386/i386.c (classify_argument): Check total size of
7664         structure.
7665
7666 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7667
7668         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7669         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7670         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7671         respectively.
7672
7673         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7674         seen_variable_array_ref while also traversing a union.
7675
7676         * tree-inline.c (optimize_inline_calls): Do not call
7677         cgraph_node_remove_callees.
7678         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7679         (pass_remove_cgraph_callee_edges): New variable.
7680         * passes.c (init_optimization_passes): Add
7681         pass_remove_cgraph_callee_edges after early inlining and before all
7682         late intraprocedural passes.
7683
7684         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7685
7686 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7687
7688         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7689         Fix typos in names.
7690
7691 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7692
7693         * combine.c (simplify_comparison): Use have_insn_for.
7694         * dojump.c (do_jump): Likewise.
7695
7696 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7697
7698         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7699         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7700         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7701         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7702         instead of sparc_compare_emitted.
7703         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7704         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7705         instead of sparc_compare_emitted.
7706
7707 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7708
7709         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7710         enter/exit cfglayout mode.
7711         (pass_partition_block): Require it.
7712         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7713         (combine_instructions): Track basic blocks instead of labels.
7714         (update_cfg_for_uncondjump): New.
7715         (try_combine): Use it.  Update jumps after rescanning.
7716         (pass_combine): Require PROP_cfglayout.
7717         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7718
7719 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7720
7721         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7722         Provide/destroy PROP_cfglayout respectively.
7723         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7724         * tree-pass.h (PROP_cfglayout): New.
7725
7726 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7727
7728         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7729         fold_convert_const_fixed_from_fixed,
7730         fold_convert_const_fixed_from_int,
7731         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7732         set TREE_CONSTANT_OVERFLOW.
7733         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7734         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7735
7736 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7737
7738         * tree-vect-loop-manip.c: New file.
7739         * tree-vectorizer.c: Update documentation and included files.
7740         (vect_loop_location): Make extern.
7741         (rename_use_op): Move to tree-vect-loop-manip.c
7742         (rename_variables_in_bb, rename_variables_in_loop,
7743         slpeel_update_phis_for_duplicate_loop,
7744         slpeel_update_phi_nodes_for_guard1,
7745         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7746         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7747         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7748         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7749         find_loop_location): Likewise.
7750         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7751         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7752         get_vectype_for_scalar_type, vect_is_simple_use,
7753         supportable_widening_operation, supportable_narrowing_operation):
7754         Likewise.
7755         (bb_in_loop_p): Move to tree-vect-loop.c.
7756         (new_loop_vec_info, destroy_loop_vec_info,
7757         reduction_code_for_scalar_code, report_vect_op,
7758         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7759         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7760         (vect_supportable_dr_alignment): Likewise.
7761         * tree-vectorizer.h (tree-data-ref.h): Include.
7762         (vect_loop_location): Declare.
7763         Reorganize function declarations according to the new file structure.
7764         * tree-vect-loop.c: New file.
7765         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7766         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7767         * tree-vect-data-refs.c: New file.
7768         * tree-vect-patterns.c (timevar.h): Don't include.
7769         * tree-vect-stmts.c: New file.
7770         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7771         tree-vect-slp.c, tree-vect-loop.c.
7772         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7773         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7774         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7775         (tree-vect-analyze.o): Remove.
7776         (tree-vect-transform.o): Likewise.
7777         (tree-vect-data-refs.o): Add rule.
7778         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7779         tree-vect-slp.o): Likewise.
7780         (tree-vect-patterns.o): Remove redundant dependencies.
7781         (tree-vectorizer.o): Likewise.
7782         * tree-vect-slp.c: New file.
7783
7784 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7785
7786         * optc-gen.awk: Warn if an option flag has multiple different
7787         help strings.
7788
7789 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7790
7791         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7792         -floop-block): Document dependences on PPL, CLooG and Graphite.
7793
7794 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7795
7796         PR rtl-optimization/323
7797         * c-common.c (c_fully_fold, convert_and_check,
7798         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7799         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7800         * c-common.def (EXCESS_PRECISION_EXPR): New.
7801         * c-cppbuiltin.c (builtin_define_float_constants): Define
7802         constants with enough digits for long double.
7803         * c-lex.c (interpret_float): Interpret constant with excess
7804         precision where appropriate.
7805         * c-opts.c (c_common_post_options): Set
7806         flag_excess_precision_cmdline.  Give an error for
7807         -fexcess-precision=standard for C++ for processors where the
7808         option is significant.
7809         * c-parser.c (c_parser_conditional_expression): Handle excess
7810         precision in condition.
7811         * c-typeck.c (convert_arguments): Handle arguments with excess
7812         precision.
7813         (build_unary_op): Move excess precision outside operation.
7814         (build_conditional_expr): Likewise.
7815         (build_compound_expr): Likewise.
7816         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7817         (build_modify_expr): Handle excess precision in RHS.
7818         (convert_for_assignment): Handle excess precision in converted
7819         value.
7820         (digest_init, output_init_element, process_init_element): Handle
7821         excess precision in initializer.
7822         (c_finish_return): Handle excess precision in return value.
7823         (build_binary_op): Handle excess precision in operands and add
7824         excess precision as needed for operation.
7825         * common.opt (-fexcess-precision=): New option.
7826         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7827         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7828         For standard excess precision, output explicit conversion to and
7829         truncation from XFmode.
7830         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7831         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7832         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7833         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7834         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7835         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7836         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7837         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7838         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7839         define_splits, sqrt<mode>2): Disable where appropriate for
7840         standard excess precision.
7841         * convert.c (convert_to_real): Do not shorten arithmetic to type
7842         for which excess precision would be used.
7843         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7844         * doc/invoke.texi (-fexcess-precision=): Document option.
7845         (-mfpmath=): Correct index entry.
7846         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7847         flag_excess_precision): New.
7848         * langhooks.c (lhd_post_options): Set
7849         flag_excess_precision_cmdline.
7850         * opts.c (common_handle_option): Handle -fexcess-precision=.
7851         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7852         init_excess_precision): New.
7853         (lang_dependent_init_target): Call init_excess_precision.
7854         * tree.c (excess_precision_type): New.
7855         * tree.h (excess_precision_type): Declare.
7856
7857 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7858
7859         PR c/35235
7860         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7861         non-lvalue to component.
7862
7863 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7864
7865         PR preprocessor/34695
7866         * Makefile.in (c-opts.o): Depend on c-tree.h.
7867         * c-common.c: Move down include of diagnostic.h.
7868         (done_lexing, c_cpp_error): New.
7869         * c-common.h (done_lexing): Declare.
7870         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7871         (parse_in).
7872         * c-opts.c: Include c-tree.h.
7873         (c_common_init_options): Set preprocessor error callback.
7874         (c_common_handle_option): Do not set preprocessor
7875         inhibit_warnings, warnings_are_errors, warn_system_headers,
7876         pedantic_errors or inhibit_warnings flags.
7877         (c_common_post_options): Do not check cpp_errors (parse_in).
7878         (c_common_finish): Do not output dependencies if there were
7879         errors.  Do not check return value of cpp_finish.
7880         * c-ppoutput.c (pp_file_change): Set input_location.
7881         * c-tree.h (c_cpp_error): Declare.
7882         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7883         override_column.
7884         (diagnostic_build_prefix): Check override_column.
7885         * diagnostic.h (diagnostic_info): Add override_column field.
7886         (diagnostic_override_column): Define.
7887
7888 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7889
7890         * c-common.c (c_expand_expr, c_staticp): Remove.
7891         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7892         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7893         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7894         * c-gimplify.c (gimplify_compound_literal_expr,
7895         optimize_compound_literals_in_ctor): Remove.
7896         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7897         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7898         * c-semantics.c (emit_local_var): Remove.
7899
7900         * langhooks-def.h (lhd_expand_expr): Remove.
7901         * langhooks.c (lhd_expand_expr): Remove.
7902         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7903
7904         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7905         handling from c-semantics.c; don't call into langhook.
7906         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7907         * gimplify.c (gimplify_compound_literal_expr,
7908         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7909         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7910         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7911         as was done in c-gimplify.c.
7912         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7913         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7914         Move from c-common.h.
7915         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7916
7917         * tree.c (staticp): Do not call langhook.
7918         * langhooks.c (lhd_staticp): Delete.
7919         * langhooks-def.h (lhd_staticp): Delete prototype.
7920         (LANG_HOOKS_STATICP): Delete.
7921         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7922
7923         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7924         instead of DECL_STMTs.
7925
7926 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7927
7928         PR c/456
7929         PR c/5675
7930         PR c/19976
7931         PR c/29116
7932         PR c/31871
7933         PR c/35198
7934         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7935         void_type_node.
7936         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7937         contained expression.
7938         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7939         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7940         conditional expressions for C.
7941         (decl_constant_value_for_optimization): Move from
7942         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7943         whether optimizing and that the expression is a VAR_DECL not of
7944         array type instead of doing such checks in the caller.  Do not
7945         check pedantic.  Call gcc_unreachable for C++.
7946         * c-common.def (C_MAYBE_CONST_EXPR): New.
7947         * c-common.h (c_fully_fold, c_save_expr,
7948         decl_constant_value_for_optimization): New prototypes.
7949         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7950         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7951         EXPR_INT_CONST_OPERANDS): Define.
7952         * c-convert.c (convert): Strip nops from expression.
7953         * c-decl.c (groktypename): Take extra parameters expr and
7954         expr_const_operands.  Update call to grokdeclarator.
7955         (start_decl): Update call to grokdeclarator.  Add statement for
7956         expressions used in type of decl.
7957         (grokparm): Update call to grokdeclarator.
7958         (push_parm_decl): Update call to grokdeclarator.
7959         (build_compound_literal): Add parameter non_const and build a
7960         C_MAYBE_COSNT_EXPR if applicable.
7961         (grokdeclarator): Take extra parameters expr and
7962         expr_const_operands.  Track expressions used in declaration
7963         specifiers and declarators.  Fold array sizes and track whether
7964         they are constant expressions and whether they are integer
7965         constant expressions.
7966         (parser_xref_tag): Set expr and expr_const_operands fields in
7967         return value.
7968         (grokfield): Update call to grokdeclarator.
7969         (start_function): Update call to grokdeclarator.
7970         (build_null_declspecs): Set expr and expr_const_operands fields in
7971         return value.
7972         (declspecs_add_type): Handle expressions in typeof specifiers.
7973         * c-parser.c (c_parser_declspecs): Set expr and
7974         expr_const_operands fields for declaration specifiers.
7975         (c_parser_enum_specifier): Likewise.
7976         (c_parser_struct_or_union_specifier): Likewise.
7977         (c_parser_typeof_specifier): Likewise.  Update call to
7978         groktypename.  Fold expression as needed.  Return expressions with
7979         type instead of adding statements.
7980         (c_parser_attributes): Update calls to c_parser_expr_list.
7981         (c_parser_statement_after_labels): Fold expression before passing
7982         to objc_build_throw_stmt.
7983         (c_parser_condition): Fold expression.
7984         (c_parser_asm_operands): Fold expression.
7985         (c_parser_conditional_expression): Use c_save_expr.  Update call
7986         to build_conditional_expr.
7987         (c_parser_alignof_expression): Update call to groktypename.
7988         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7989         original_code.  Fold expression argument of va_arg.  Create
7990         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7991         argument to va_arg.  Update calls to groktypename.  Fold array
7992         index for offsetof.  Verify that first argument to
7993         __builtin_choose_expr has integer type.
7994         (c_parser_postfix_expression_after_paren_type): Update calls to
7995         groktypename and build_compound_literal.  Handle expressions with
7996         side effects in type name.
7997         (c_parser_postfix_expression_after_primary): Update call to
7998         c_parser_expr_list.  Set original_code for calls to
7999         __builtin_constant_p.
8000         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8001         expressions if requested.
8002         (c_parser_objc_type_name): Update call to groktypename.
8003         (c_parser_objc_synchronized_statement): Fold expression.
8004         (c_parser_objc_receiver): Fold expression.
8005         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8006         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8007         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8008         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8009         (struct c_typespec): Add elements expr and expr_const_operands.
8010         (struct c_declspecs): Add elements expr and expr_const_operands.
8011         (groktypename, build_conditional_expr, build_compound_literal):
8012         Update prototypes.
8013         (in_late_binary_op): Declare.
8014         * c-typeck.c (note_integer_operands): New function.
8015         (in_late_binary_op): New variable.
8016         (decl_constant_value_for_broken_optimization): Move to c-common.c
8017         and rename to decl_constant_value_for_optimization.
8018         (default_function_array_conversion): Do not strip nops.
8019         (default_conversion): Do not call
8020         decl_constant_value_for_broken_optimization.
8021         (build_array_ref): Do not fold result.
8022         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8023         result when operand is a VLA.
8024         (c_expr_sizeof_type): Update call to groktypename.  Handle
8025         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8026         result when operand names a VLA type.
8027         (build_function_call): Update call to build_compound_literal.
8028         Only fold result for calls to __builtin_* functions.  Strip
8029         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8030         the function designator.
8031         (convert_arguments): Fold arguments.  Update call to
8032         convert_for_assignment.
8033         (build_unary_op): Handle increment and decrement of
8034         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8035         decrement earlier.  Fold operand of increment and decrement.
8036         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8037         built for integer operand.  Wrap returns that are INTEGER_CSTs
8038         without being integer constant expressions or that have integer
8039         constant operands without being INTEGER_CSTs.
8040         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8041         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8042         result is an integer constant expression or can be used in
8043         unevaluated parts of one and avoid folding and wrap as
8044         appropriate.  Fold operands before possibly doing -Wsign-compare
8045         warnings.
8046         (build_compound_expr): Wrap result for C99 if operands can be used
8047         in integer constant expressions.
8048         (build_c_cast): Update call to digest_init.  Do not ignore
8049         overflow from casting floating-point constants to integers.  Wrap
8050         results that could be confused with integer constant expressions,
8051         null pointer constants or floating-point constants.
8052         (c_cast_expr): Update call to groktypename.  Handle expressions
8053         included in type name.
8054         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8055         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8056         Update calls to convert_for_assignment.
8057         (convert_for_assignment): Take new parameter
8058         null_pointer_constant.  Do not strip nops or call
8059         decl_constant_value_for_broken_optimization.  Set
8060         in_late_binary_op for conversions to boolean.
8061         (store_init_value): Update call to digest_init.
8062         (digest_init): Take new parameter null_pointer_constant.  Do not
8063         call decl_constant_value_for_broken_optimization.  pedwarn for
8064         initializers not constant expressions.  Update calls to
8065         convert_for_assignment.
8066         (constructor_nonconst): New.
8067         (struct constructor_stack): Add nonconst element.
8068         (really_start_incremental_init, push_init_level, pop_init_level):
8069         Handle constructor_nonconst and nonconst element.
8070         (set_init_index): Call constant_expression_warning for array
8071         designators.
8072         (output_init_element): Fold value.  Set constructor_nonconst as
8073         applicable.  pedwarn for initializers not constant expressions.
8074         Update call to digest_init.  Call constant_expression_warning
8075         where constant initializers are required.
8076         (process_init_element): Use c_save_expr.
8077         (c_finish_goto_ptr): Fold expression.
8078         (c_finish_return): Fold return value.  Update call to
8079         convert_for_assignment.
8080         (c_start_case): Fold switch expression.
8081         (c_process_expr_stmt): Fold expression.
8082         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8083         ensure statement expression is not evaluated in constant expression.
8084         (build_binary_op): Track whether results are integer constant
8085         expressions or may occur in such, disable folding and wrap results
8086         as applicable.  Fold operands for -Wsign-compare warnings unless
8087         in_late_binary_op.
8088         (c_objc_common_truthvalue_conversion): Handle results folded to
8089         integer constants that are not integer constant expressions.
8090         * doc/extend.texi: Document when typeof operands are evaluated,
8091         that condition of __builtin_choose_expr is an integer constant
8092         expression, and more about use of __builtin_constant_p in
8093         initializers.
8094
8095 2009-03-29  Richard Guenther  <rguenther@suse.de>
8096
8097         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8098         propagate addresses of array references.
8099
8100 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8101
8102         * regmove.c (perhaps_ends_bb_p): Remove.
8103         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8104         from INSN and check that the main loop stays within that basic block.
8105         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8106         (regmove_forward_pass): Split out from regmove_optimize.  Use
8107         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8108         (regmove_backward_pass): Split out from regmove_optimize.  Use
8109         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8110         (regmove_optimize): Simplify.
8111
8112 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8113
8114         PR target/39545
8115         * config/i386/i386.c (classify_argument): Ignore flexible array
8116         member in struct and warn ABI change.
8117
8118 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8119
8120         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8121
8122         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8123         (ix86_adjust_cost): Updated.
8124
8125 2009-03-29  Jan Hubicka  <jh@suse.cz>
8126
8127         PR middle-end/28850
8128         * tree-pass.h (pass_cleanup_eh): New function.
8129         (remove_unreachable_regions): Break code handling RTL
8130         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8131         that can not be reached by runtime.
8132         (can_be_reached_by_runtime): New function.
8133         (label_to_region_map): New function.
8134         (num_eh_regions): New function.
8135         (rtl_remove_unreachable_regions): New function.
8136         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8137         (remove_eh_region): New function.
8138         * except.h: Include sbitmap and vecprim.
8139         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8140         num_eh_regions): Declare.
8141         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8142         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8143         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8144         (tree_empty_eh_handler_p): New function.
8145         (cleanup_empty_eh): New function.
8146         (cleanup_eh): New function.
8147         (pass_cleanup_eh): New function.
8148
8149 2009-03-29  Jan Hubicka  <jh@suse.cz>
8150
8151         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8152         for removed regions.
8153
8154 2009-03-29  Jan Hubicka  <jh@suse.cz>
8155
8156         * except.c (dump_eh_tree): Dump all datastructures.
8157
8158 2009-03-29  Jan Hubicka  <jh@suse.cz>
8159
8160         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8161         (duplicate_eh_regions_1): Likewise.
8162         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8163         vector; call EH verification.
8164         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8165         Be ready for region being removed.
8166
8167 2009-03-29  Jan Hubicka  <jh@suse.cz>
8168
8169         * bitmap.c (bitmap_last_set_bit): New function.
8170         * bitmap.h (bitmap_last_set_bit): Declare.
8171
8172 2009-03-29  David Ayers  <ayers@fsfe.org>
8173
8174         PR objc/27377
8175         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8176         by calling objc_compare_types and surpress warnings about
8177         incompatible C pointers that are compatible ObjC pointers.
8178
8179 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8180
8181         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8182         call initialize_inline_failed.
8183         (initialize_inline_failed): Move it from here ...
8184         * cgraph.c (initialize_inline_failed): ... to here.
8185         (cgraph_create_edge): Call initialize_inline_failed rather than
8186         setting inline_failed directly.
8187
8188 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8189
8190         PR target/32542
8191         * sysv4.opt (msdata): Improve comment.
8192         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8193         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8194
8195 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8196
8197         PR target/30451
8198         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8199         load and store attributes.
8200
8201 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8202
8203         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8204         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8205         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8206         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8207         __builtin_infq and __builtin_huge_valq.
8208
8209 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8210
8211         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8212         atmega8m1 devices.
8213         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8214         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8215
8216 2009-03-28  Xinliang David Li  <davidxl@google.com>
8217
8218         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8219         (do_dbg_cnt): New function.
8220
8221 2009-03-28  Jan Hubicka  <jh@suse.cz>
8222
8223         Merge from pretty-ipa:
8224
8225         2009-03-27  Jan Hubicka  <jh@suse.cz>
8226
8227         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8228         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8229         * passes.c (function_called_by_processed_nodes_p): New.
8230         * ipa-pure-const.c (check_call): Fix handling of operands.
8231         (analyze_function): Dump debug output for skipped bodies.
8232         (local_pure_const): Use function_called_by_processed_nodes_p.
8233         * dwarf2out.c (reference_to_unused): Use output.
8234         * passes.c (do_per_function_toporder): Likewise.
8235
8236         2008-11-12  Jan Hubicka  <jh@suse.cz>
8237
8238         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8239         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8240         state_set_in_source enum
8241         (check_decl): Ignore memory tags; do not set fake looping flags;
8242         dump diagnostics.
8243         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8244         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8245         (check_call, analyze_function): Rewrite.
8246         (check_stmt): New.
8247         (add_new_function): Update call of analyze_function.
8248         (generate_summary): Add call of analyze_function.
8249         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8250         (local_pure_const): New function.
8251         (pass_local_pure_const): New pass.
8252         * ipa-inline.c (inline_transform): Set after_inlining.
8253         * tree-eh.c (stmt_can_throw_external): New.
8254         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8255         work with aliasing built.
8256         * tree-flow.h (stmt_can_throw_external): New.
8257         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8258         and local pure/const pass in early and late optimization queue.
8259
8260 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8261
8262         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8263         allow_func_align.
8264         (fold_binary): Allow function decl aligment consideration is the
8265         second argument is integer constant one.
8266         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8267         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8268         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8269
8270 2009-03-28  Jan Hubicka  <jh@suse.cz>
8271
8272         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8273         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8274         * function.h (rtl_data): Add nothrow flag.
8275         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8276         set DECL_NOTHROW for AVAILABLE functions.
8277
8278 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8279
8280         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8281         following vector keyword has expansion starting with pixel or bool
8282         keyword, expand vector to __vector and pixel or bool to __pixel or
8283         __bool.
8284
8285         PR c++/39554
8286         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8287         warn_if_disallowed_function_p): Removed.
8288         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8289         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8290         warning_if_disallowed_function_p.
8291         * flags.h (warn_if_disallowed_function_p,
8292         warn_disallowed_functions): Removed.
8293         * common.opt (Wdisallowed-function-list=): Removed.
8294         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8295
8296 2009-03-28  Richard Guenther  <rguenther@suse.de>
8297
8298         PR tree-optimization/38723
8299         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8300         the entry block.
8301
8302 2009-03-28  Jan Hubicka  <jh@suse.cz>
8303
8304         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8305         test introduced by my previous patch.
8306
8307 2009-03-28  Richard Guenther  <rguenther@suse.de>
8308
8309         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8310         the PHIs value undefined.
8311
8312 2009-03-28  Jan Hubicka  <jh@suse.cz>
8313
8314         * tree-pass.h (pass_fixup_cfg): New pass.
8315         * ipa-inline.c (inline_transform): Set
8316         always_inline_functions_inlined/after_inlining.
8317         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8318         (pass_fixup_cfg): New pass.
8319         * passes.c (init_optimization_passes): Add fixup_cfg.
8320
8321 2009-03-28  Richard Guenther  <rguenther@suse.de>
8322
8323         PR tree-optimization/38458
8324         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8325         argument use the arguments copy-of value.
8326
8327 2009-03-28  Richard Guenther  <rguenther@suse.de>
8328
8329         PR tree-optimization/38180
8330         * tree-ssa-ccp.c (get_default_value): Simplify.
8331         (likely_value): Likewise.
8332         (surely_varying_stmt_p): Properly handle VOP case.
8333         (ccp_initialize): Likewise.
8334         (ccp_fold): Handle propagating through *&.
8335         (fold_const_aggregate_ref): Also handle decls.
8336
8337 2009-03-28  Jan Hubicka  <jh@suse.cz>
8338
8339         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8340         * cgraph.h (cgraph_node): Likewise.
8341         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8342         (cgraph_reset_node): Use process flag.
8343         (cgraph_mark_functions_to_output): Likewise.
8344         (cgraph_expand_function): Likewise.
8345         (cgraph_expand_all_functions): Likewise.
8346         (cgraph_output_in_order): Likewise.
8347         * dwarf2out.c (reference_to_unused): Likewise.
8348         * passes.c do_per_function_toporder): Likewise.
8349
8350 2009-03-28  Jan Hubicka  <jh@suse.cz>
8351
8352         Bring from lto-branch:
8353
8354         2008-09-03  Doug Kwan  <dougkwan@google.com>
8355
8356         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8357         enums instead of reason strings.
8358         * cgraph.c (cgraph_create_edge): Same.
8359         (cgraph_inline_failed_string): New function.
8360         * cgraph.h (cgraph_inline_failed_t): New enum type.
8361         (cgraph_inline_failed_string): New prototype.
8362         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8363         char pointer to cgraph_inline_failed_t.
8364         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8365         (cgraph_default_inline_p): Ditto.
8366         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8367         to cgraph_inline_failed_t pointer.
8368         * cif-code.def: New file.
8369         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8370         reason string.
8371         (cgraph_check_inline_limits): Change type of REASON to pointer to
8372         cgraph_inline_failed_t.  Replace reason strings with enums.
8373         (cgraph_default_inline_p): Ditto.
8374         (cgraph_recursive_inlining_p): Ditto.
8375         (update_caller_keys): Change type of FAILED_REASON to
8376         cgraph_inline_failed_t.
8377         (cgraph_set_inline_failed): Change type of REASON to pointer to
8378         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8379         convert enums to strings for text output.
8380         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8381         to be of type cgraph_inline_failed_t.  Replace reason strings with
8382         enums.  Call cgraph_inline_failed_string to covert enums
8383         to strings for text output.
8384         (cgraph_decide_inlining): Replace reason strings with enums.
8385         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8386         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8387         for text output.
8388         * tree-inline.c (expand_call_inline): Change type of REASON
8389         to cgraph_inline_failed_t.  Replace reason strings with enums.
8390         Call cgraph_inline_failed_string for text output.
8391         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8392         (cgraph.o): Ditto.
8393
8394 2009-03-28  Jan Hubicka  <jh@suse.cz>
8395
8396         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8397         cgraph_clone_node): Remove master clone handling.
8398         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8399         * cgraph.h (master_clone): Remove.
8400         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8401         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8402         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8403
8404 2009-03-28  Jan Hubicka  <jh@suse.cz>
8405
8406         * cgraph.c (cgraph_function_body_availability): Functions declared
8407         inline are always safe to assume that it is not going to be replaced.
8408
8409 2009-03-28  Richard Guenther  <rguenther@suse.de>
8410
8411         PR tree-optimization/38513
8412         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8413         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8414         EXC_PTR_EXPR and FILTER_EXPR.
8415         (get_ref_from_reference_ops): Likewise.
8416
8417 2009-03-28  Richard Guenther  <rguenther@suse.de>
8418
8419         PR tree-optimization/38968
8420         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8421         Use FLOOR_MOD_EXPR to compute misalignment.
8422
8423 2009-03-28  Richard Guenther  <rguenther@suse.de>
8424
8425         PR tree-optimization/37795
8426         * tree.h (combine_comparisons): Declare.
8427         * fold-const.c (combine_comparisons): Export.
8428         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8429         comparisons.
8430         (ifcombine_iforif): Use combine_comparisons.
8431
8432 2009-03-28  Jan Hubicka  <jh@suse.cz>
8433
8434         * tree-eh.c (inlinable_call_p): New function.
8435         (make_eh_edges): Use it.
8436         (verify_eh_edges): Use it.
8437         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8438         * except.c (reachable_next_level): Add inlinable_function argument
8439         (sjlj_find_directly_reachable_regions): Update.
8440         (add_reachable_handler): Do not set saw_any_handlers.
8441         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8442         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8443         Add new inlinable call parameter.
8444         (can_throw_internal, can_throw_external): Update.
8445         * except.h (can_throw_internal_1, can_throw_external_1,
8446         foreach_reachable_handler): Update declaration.
8447
8448 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8449
8450         * config/arm/t-arm-coff, config/h8300/coff.h,
8451         config/i386/i386-aout.h, config/i386/i386-coff.h,
8452         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8453         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8454         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8455         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8456         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8457         sys-types.h: Remove.
8458         * Makefile.in: Remove protoize and fixproto support and references
8459         in comments.
8460         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8461         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8462         Remove.
8463         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8464         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8465         unprotoize$(exeext).
8466         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8467         (.PHONY): Don't depend on proto.
8468         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8469         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8470         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8471         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8472         build/gen-protos.o, build/scan.o, xsys-protos.h,
8473         build/fix-header$(build_exeext), build/fix-header.o,
8474         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8475         stmp-install-fixproto): Remove.
8476         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8477         SYSCALLS.c or fixproto files.
8478         (install-common): Don't install protoize.
8479         (install-headers-tar, install-headers-cpio, install-headers-cp):
8480         Don't depend on $(STMP_FIXPROTO).
8481         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8482         install fixproto files or write out fixproto settings.
8483         (uninstall): Don't uninstall protoize.
8484         * config.gcc (use_fixproto): Remove.
8485         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8486         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8487         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8488         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8489         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8490         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8491         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8492         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8493         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8494         * config/t-vxworks (STMP_FIXPROTO): Remove.
8495         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8496         STMP_FIXPROTO): Remove.
8497         * config.in, configure: Regenerate.
8498         * crtstuff.c (gid_t, uid_t): Don't undefine.
8499         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8500         (arm-*-coff, arm-*-aout: Remove target entries.
8501         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8502         Remove mention of AIX 4.1.
8503         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8504         * doc/invoke.texi (Running Protoize): Remove.
8505         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8506         (Protoize Caveats): Remove.
8507         * tsystem.h: Update comments on headers assumed to exist.
8508
8509 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8510
8511         * genautomata.c: Add a new year to the copyright.  Add a new
8512         reference.
8513         (struct insn_reserv_decl): Add comments for member bypass_list.
8514         (find_bypass): Remove.
8515         (insert_bypass): New.
8516         (process_decls): Use insert_bypass.
8517         (output_internal_insn_latency_func): Output all bypasses with the
8518         same input insn in one switch case.
8519
8520         * rtl.def (define_bypass): Describe bypass choice.
8521         * doc/md.texi (define_bypass): Ditto.
8522
8523 2009-03-27  Richard Guenther  <rguenther@suse.de>
8524
8525         * gimplify.c (mark_addressable): Export.
8526         * tree-flow.h (mark_addressable): Declare.
8527         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8528         * tree-ssa.c (verify_phi_args): Verify that address taken
8529         variables have TREE_ADDRESSABLE set.
8530
8531 2009-03-27  Richard Guenther  <rguenther@suse.de>
8532
8533         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8534         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8535         Do not mark decls TREE_ADDRESSABLE.
8536         (build_fold_addr_expr): Adjust.
8537         (fold_addr_expr): Remove.
8538         (fold_unary): Use build_fold_addr_expr.
8539         (fold_comparison): Likewise.
8540         (split_address_to_core_and_offset): Likewise.
8541         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8542         TREE_ADDRESSABLE.
8543         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8544         (gimplify_modify_expr_to_memcpy): Mark source and destination
8545         addressable.
8546         * omp-low.c (create_omp_child_function): Mark the object decl
8547         TREE_ADDRESSABLE.
8548         (lower_rec_input_clauses): Mark the var we take the address of
8549         TREE_ADDRESSABLE.
8550         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8551
8552 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8553
8554         PR middle-end/39315
8555         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8556         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8557
8558 2009-03-27  Richard Guenther  <rguenther@suse.de>
8559
8560         PR tree-optimization/39120
8561         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8562         constraints.
8563         (handle_lhs_call): Process return constraints.  Add escape
8564         constraints if necessary.
8565         (handle_const_call): Fill out return constraints.  Make nested
8566         case more precise.  Avoid consttmp if possible.
8567         (handle_pure_call): Fill out return constraints.  Avoid
8568         callused if possible.
8569         (find_func_aliases): Simplify call handling.
8570
8571 2009-03-27  Richard Guenther  <rguenther@suse.de>
8572
8573         PR tree-optimization/39120
8574         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8575         as a representative.
8576         (solve_graph): Do propagate CALLUSED.
8577         (handle_pure_call): Use a scalar constraint from CALLUSED for
8578         the return value.
8579         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8580         solutions.
8581
8582 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8583
8584         PR c/39323
8585         * c-common.c (handle_aligned_attribute): Properly check alignment
8586         overflow.  Use (1U << i) instead of (1 << i).
8587
8588         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8589
8590         * expr.h (get_mem_align_offset): Updated.
8591
8592         * tree.h (tree_decl_common): Change align to "unsigned int" and
8593         move it before pointer_alias_set.
8594
8595 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8596             Jakub Jelinek  <jakub@redhat.com>
8597
8598         PR target/38034
8599         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8600         gr_register_operand with gr_reg_or_0_operand.
8601         (cmpxchg_rel_di): Likewise.
8602         (sync_lock_test_and_set<mode>): Likewise.
8603
8604 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8605
8606         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8607         (true_regnum): Likewise.
8608
8609         * rtlanal.c (subreg_info): Moved to ...
8610         * rtl.h (subreg_info): Here.  New.
8611         (subreg_get_info): New.
8612
8613         * rtlanal.c (subreg_get_info): Make it extern.
8614
8615 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8616
8617         PR target/39472
8618         * config/i386/i386.c (ix86_abi): New.
8619         (override_options): Handle -mabi=.
8620         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8621         (ix86_call_abi_override): Likewise.
8622         (init_cumulative_args): Likewise.
8623         (function_arg_advance): Likewise.
8624         (function_arg_64): Likewise.
8625         (function_arg): Likewise.
8626         (ix86_pass_by_reference): Likewise.
8627         (ix86_function_value_regno_p): Likewise.
8628         (ix86_build_builtin_va_list_abi): Likewise.
8629         (setup_incoming_varargs_64): Likewise.
8630         (is_va_list_char_pointer): Likewise.
8631         (ix86_init_machine_status): Likewise.
8632         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8633         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8634         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8635         (ix86_function_abi): Make it static and return enum calling_abi.
8636         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8637         with ix86_abi.
8638         (ix86_fn_abi_va_list): Updated.
8639
8640         * config/i386/i386.h (ix86_abi): New.
8641         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8642         (CONDITIONAL_REGISTER_USAGE): Likewise.
8643         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8644         (machine_function): Likewise.
8645
8646         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8647         with ix86_abi.
8648         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8649         (STACK_BOUNDARY): Likewise.
8650         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8651
8652         * config/i386/i386.opt (mabi=): New.
8653
8654         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8655         return enum calling_abi.
8656         (ix86_function_type_abi): Likewise.
8657         (ix86_function_abi): Removed.
8658
8659         * doc/invoke.texi: Document -mabi= option for x86.
8660
8661 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8662
8663         * builtins.c (real_dconstp): Delete.
8664         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8665
8666 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8667             Jakub Jelinek  <jakub@redhat.com>
8668
8669         PR debug/37959
8670         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8671         (gen_subprogram_die): When a function is explicit, generate the
8672         DW_AT_explicit attribute.
8673         * langhooks.h (struct lang_hooks_for_decls): Add
8674         function_decl_explicit_p langhook.
8675         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8676         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8677
8678 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8679
8680         * builtins.c (fold_builtin_memory_op): Optimize memmove
8681         into memcpy if we can prove source and destination don't overlap.
8682
8683         * tree-inline.c: Include gt-tree-inline.h.
8684         (clone_fn_id_num): New variable.
8685         (clone_function_name): New function.
8686         (tree_function_versioning): Use it.
8687         * Makefile.in (GTFILES): Add tree-inline.c.
8688
8689 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8690
8691         * BASE-VER: Change to 4.5.0.
8692
8693 2009-03-27  Xinliang David Li  <davidxl@google.com>
8694
8695         PR tree-optimization/39557
8696         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8697
8698 2009-03-27  Xinliang David Li  <davidxl@google.com>
8699
8700         PR tree-optimization/39548
8701         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8702         candidate check.
8703
8704 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8705
8706         * c-common.c (pointer_int_sum): Use %wd on return from
8707         tree_low_cst.
8708
8709 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8710
8711         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8712         on return from tree_low_cst.
8713
8714 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8715
8716         PR c++/36799
8717         * ginclude/stdarg.h (va_copy): Define also for
8718         __GXX_EXPERIMENTAL_CXX0X__.
8719
8720 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8721
8722         PR c++/35652
8723         * builtins.h (c_strlen): Do not warn here.
8724         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8725         * c-common.c (pointer_int_sum): Take an explicit location.
8726         Warn about offsets out of bounds.
8727         * c-common.h (pointer_int_sum): Adjust declaration.
8728
8729 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8730
8731         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8732         markup glitch.
8733
8734 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8735
8736         PR c++/39554
8737         * opts.c (warn_if_disallowed_function_p): Don't assume
8738         get_callee_fndecl must return non-NULL.
8739
8740 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8741
8742         PR rtl-optimization/39522
8743         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8744         when reg_reloaded_valid is set.
8745
8746 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8747
8748         * config/spu/divv2df3.c: New file.
8749         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8750         (DPBIT_FUNCS): Filter out _div_df.
8751
8752 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8753
8754         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8755         a jump insn, count that jump in the distance to the loop start.
8756
8757 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8758
8759         PR target/39523
8760         * config/sh/sh.c (calc_live_regs): Fix condition for global
8761         registers except PIC_OFFSET_TABLE_REGNUM.
8762
8763 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8764
8765         PR/39518
8766         * doc/invoke.texi (-mconsole): New.
8767         (-mcygwin): New.
8768         (-mno-cygwin): New.
8769         (-mdll): New.
8770         (-mnop-fun-dllimport): New.
8771         (-mthread): New.
8772         (-mwin32): New.
8773         (-mwindows): New.
8774         (sub section "i386 and x86-64 Windows Options"): New.
8775
8776 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8777
8778         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8779         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8780
8781 2009-03-25  Richard Guenther  <rguenther@suse.de>
8782
8783         PR middle-end/39497
8784         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8785         of -Wno-error.
8786
8787 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8788
8789         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8790         neither of haifa/selective schedulers are working.
8791
8792 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8793
8794         * doc/invoke.texi (Debugging Options): Fix description of
8795         -fno-merge-debug-strings.
8796
8797 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8798
8799         * config/cris/libgcc.ver: New version-script.
8800         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8801
8802         * configure.ac <GAS features, nop mnemonic>: Add pattern
8803         crisv32-*-* for "nop".
8804         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8805         * configure: Regenerate.
8806
8807 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8808
8809         PR tree-optimization/39529
8810         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8811         mark_sym_for_renaming for the tag copied to the new vector
8812         pointer.
8813
8814 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8815
8816         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8817         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8818         EXTRA_SPEC_FUNCTIONS.
8819         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8820         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8821         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8822         -march and -mtune options.
8823
8824 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8825
8826         * config/m68k/t-rtems: Add m5329 multilib.
8827
8828 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8829             Jakub Jelinek  <jakub@redhat.com>
8830
8831         PR debug/39524
8832         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8833         nodes.
8834
8835 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8836
8837         PR c/39495
8838         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8839         instead of c_parser_expression_conv, if original_code isn't one of the
8840         4 allowed comparison codes, fail.
8841
8842 2009-03-23  Richard Guenther  <rguenther@suse.de>
8843
8844         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8845         * tree.h (struct tree_type): Likewise.
8846         * reload.h (struct insn_chain): Likewise.
8847         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8848         * function.h (struct function): Likewise.
8849         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8850
8851 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8852
8853         PR tree-optimization/39516
8854         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8855
8856 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8857
8858         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8859         should be set true if BITS_PER_WORD of target is bigger than 32
8860
8861 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8862
8863         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8864         Translate -B-options to -rpath-link.  Correct existing
8865         rpath-link and conditionalize on !nostdlib.
8866
8867 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8868
8869         * doc/extend.texi (Function Attributes, Variable Attributes):
8870         Fix typos.
8871         * doc/invoke.texi (Debugging Options, Optimize Options)
8872         (i386 and x86-64 Options, MCore Options): Likewise.
8873
8874 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8875
8876         PR debug/37890
8877         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8878         it for block local namespace aliases.
8879         (gen_decl_die): Pass context_die to gen_namespace_die.
8880
8881 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8882
8883         PR c/39495
8884         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8885         minimum or maximum value.
8886
8887 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8888
8889         * reginfo.c (globalize_reg): Recompute derived reg sets.
8890
8891 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8892
8893         PR target/39063
8894         * libgcc2.c (mprotect): Do not use signed arguments for
8895         VirtualProtect, use DWORD arguments.  Also fix the 'may
8896         be used uninitialized' warning for the np variable.
8897
8898 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8899
8900         PR target/39496
8901         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8902         functions using regparm calling conventions when not optimizing.
8903         (ix86_function_sseregparm): Similarly for sseregparm calling
8904         conventions.
8905
8906 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8907
8908         PR middle-end/39500
8909         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8910         dependence if the first conflict is after niter iterations.
8911
8912 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8913
8914         PR middle-end/38609
8915         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8916         functions with dynamic stack-pointer adjustments.
8917
8918 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8919
8920         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8921         option; change to -msdata=data.
8922
8923 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8924
8925         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8926         and -fopenmp.
8927
8928 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8929
8930         PR target/35180
8931         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8932
8933 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8934
8935         * doc/invoke.texi (Code Gen Options): Expand discussion of
8936         -fno-common.
8937
8938 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8939
8940         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8941         * matrix-reorg.c (struct matrix_info): Likewise.
8942         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8943         * rtl.h (struct mem_attrs): Likewise.
8944         * df.h (struct df): Likewise.
8945         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8946         * ira-int.h (struct ira_allocno): Likewise.
8947         * df-scan.c (struct df_collection_rec): Likewise.
8948         * ira.c (struct equivalence): Likewise.
8949         * function.c (struct temp_slot): Likewise.
8950         * cfgloop.h (struct loop): Likewise.
8951
8952         PR debug/39485
8953         * function.c (use_register_for_decl): When not optimizing, disregard
8954         register keyword for variables with types containing methods.
8955
8956 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8957
8958         PR middle-end/39447
8959         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8960         (is_simple_operand): Call contains_component_ref_p before calling data
8961         reference analysis that would fail on COMPONENT_REFs.
8962
8963         * tree-vrp.c (search_for_addr_array): Fix formatting.
8964
8965 2009-03-18  Richard Guenther  <rguenther@suse.de>
8966
8967         * tree-vect-transform.c (vect_loop_versioning): Fold the
8968         generated comparisons.
8969         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8970         (slpeel_tree_peel_loop_to_edge): Likewise.
8971
8972 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8973
8974         PR middle-end/37805
8975         * opts.c (print_specific_help): In addition to `undocumented',
8976         accept `separate' and `joined' flags if passed alone.  Describe
8977         output by the first matched one of those.
8978         (common_handle_option): Skip over empty strings.
8979         * gcc.c (display_help): Fix help string for `--help='.
8980         * doc/invoke.texi (Option Summary, Overall Options): With
8981         `--help=', classes and qualifiers can both be repeated, but
8982         only the latter can be negated.  One should not pass only
8983         negated qualifiers.  Fix markup and examples.
8984
8985         Revert
8986         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8987         PR middle-end/37805
8988         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8989         and -fhelp=separate.
8990
8991 2009-03-17  Jing Yu  <jingyu@google.com>
8992
8993         PR middle-end/39378
8994         * function.h (struct rtl_data): Move is_thunk from here...
8995         (struct function): ...to here.
8996         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8997         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8998         cfun.
8999         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9000         cfun.
9001         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9002         (alpha_output_function_end_prologue): Likewise.
9003         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9004         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9005         (rs6000_output_function_epilogue): Likewise.
9006         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9007
9008 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9009
9010         PR target/39482
9011         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9012         from different units in a single alternative.
9013         (*truncdfsf_i387): Ditto.
9014         (*truncxfsf2_mixed): Ditto.
9015         (*truncxfdf2_mixed): Ditto.
9016
9017 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9018
9019         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9020         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9021
9022         PR debug/39474
9023         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9024         unused non-artificial variables when not optimizing.
9025
9026         PR debug/39471
9027         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9028         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9029         NAMESPACE_DECL in its DECL_INITIAL.
9030
9031         PR middle-end/39443
9032         * optabs.c (set_user_assembler_libfunc): New function.
9033         * expr.h (set_user_assembler_libfunc): New prototype.
9034         * c-common.c: Include libfuncs.h.
9035         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9036         for memcmp, memset, memcpy, memmove and abort.
9037         * Makefile.in (c-common.o): Depend on libfuncs.h.
9038
9039         PR debug/39412
9040         * dwarf2out.c (gen_inlined_enumeration_type_die,
9041         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9042         gen_tagged_type_instantiation_die): Removed.
9043         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9044         do nothing.
9045
9046 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9047
9048         PR testsuite/38526
9049         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9050         its use.
9051         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9052         (check-parallel-%): Ditto.
9053         (check-consistency): Ditto.
9054
9055 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9056
9057         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9058         local variable rhs by NULL_TREE.
9059
9060 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9061
9062         PR target/39477
9063         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9064
9065 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9066
9067         PR target/39476
9068         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9069
9070 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9071
9072         PR target/39473
9073         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9074         for ms->sysv ABI calls only in 64bit mode.
9075
9076         * config/i386/i386.md (untyped_call): Support 32bit.
9077
9078 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9079
9080         * doc/extend.texi: Replace x86_65 with x86_64.
9081
9082 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9083
9084         PR tree-optimization/39455
9085         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9086         mismatches for POINTER_TYPE_P (type).
9087         (number_of_iterations_le): Likewise.
9088
9089 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9090
9091         * config/picochip/picochip.c: Removed profiling support.
9092         * config/picochip/picochip.md: Removed profiling instruction.
9093         * config/picochip/picochip.h: Removed profiling builtin.
9094
9095 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9096
9097         * doc/install.texi (--with-host-libstdcxx): Document.
9098
9099 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9100
9101         PR target/34299
9102         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9103         generate a warning if the function name does not begin with
9104         "__vector" and the function has either the 'signal' or 'interrupt'
9105         attribute, from here to ...
9106         (avr_declare_function_name): ...here. New function.
9107         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9108         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9109
9110 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9111
9112         PR bootstrap/39454
9113         * cse.c (fold_rtx): Don't modify original const_arg1 when
9114         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9115         separate variable instead.
9116         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9117         from out of range shift counts.
9118         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9119
9120 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9121
9122         * config/i386/x-mingw32 (host-mingw32.o): Replace
9123         diagnostic.h with $(DIAGNOSTIC_H).
9124
9125 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9126
9127         PR target/39431
9128         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9129         predicate.
9130         * config/i386/sync.md (sync_compare_and_swap<mode>,
9131         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9132         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9133         into a register.
9134         (sync_double_compare_and_swapdi_pic,
9135         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9136         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9137
9138 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9139
9140         PR target/39445
9141         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9142
9143 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9144
9145         PR target/39327
9146         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9147         (avx_addsubv4df3): Likewise.
9148         (*avx_addsubv4sf3): Likewise.
9149         (sse3_addsubv4sf3): Likewise.
9150
9151 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9152
9153         PR target/38824
9154         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9155
9156 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9157
9158         PR debug/39432
9159         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9160         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9161         registers for allocnos created from user-defined variables.
9162
9163 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9164
9165         PR target/39181
9166         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9167         of non-integer mode as well.
9168
9169 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9170
9171         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9172         for functions for which the parameter types are unknown.
9173
9174 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9175
9176         PR target/39137
9177         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9178         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9179         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9180         * config/i386/i386.c (ix86_local_alignment): For
9181         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9182         long long variables on the stack to avoid dynamic realignment.
9183         Allow the first argument to be a decl rather than type.
9184         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9185
9186 2009-03-11  Nick Clifton  <nickc@redhat.com>
9187
9188         PR target/5362
9189         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9190         options.
9191         Add description to mno-lsim option.
9192         * config/mcore/mcore.h: Remove comment about deprecated m4align
9193         option.
9194         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9195         * doc/invoke.texi: Add description of mno-lsim and
9196         mstack-increment options.
9197
9198         * config/fr30/fr30.opt: Document the -mno-lsim option.
9199         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9200         and -mno-lsim options.
9201
9202 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9203
9204         * fold-const.c (fold_comparison): Only call fold_inf_compare
9205         if the mode supports infinities.
9206
9207 2009-03-11  Jason Merrill  <jason@redhat.com>
9208
9209         PR debug/39086
9210         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9211         end already did.  Notice GIMPLE_CALL modifications of the result.
9212         Don't copy debug information from an ignored decl or a decl from
9213         another function.
9214
9215 2009-03-10  Richard Guenther  <rguenther@suse.de>
9216             Nathan Froyd  <froydnj@codesourcery.com>
9217
9218         PR middle-end/37850
9219         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9220         (__divMODE3): Likewise.
9221
9222 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9223
9224         PR tree-optimization/39394
9225         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9226         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9227
9228 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9229
9230         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9231         inline asms for register asm ("") declarations.
9232
9233 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9234
9235         * fold-const.c (fold_unary): Fix comment.
9236
9237 2009-03-07  Jan Hubicka  <jh@suse.cz>
9238
9239         PR target/39361
9240         * tree-inline.c (setup_one_parameter): Do replacement of const
9241         argument by constant in SSA form.
9242
9243 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9244
9245         PR middle-end/38028
9246         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9247         determine alignment passed to assign_stack_local.
9248         (assign_parms_unsplit_complex): Likewise.
9249         * except.c (sjlj_build_landing_pads): Likewise.
9250
9251 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9252
9253         PR middle-end/39360
9254         * tree-flow.h (add_referenced_var): Return bool instead of void.
9255         * tree-dfa.c (add_referenced_var): Return result of
9256         referenced_var_check_and_insert call.
9257         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9258         of referenced_var_check_and_insert.
9259
9260         PR debug/39372
9261         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9262         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9263         DIE, don't emit it if abstract origin already has it.
9264         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9265         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9266
9267 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9268
9269         * genpreds.c (needs_variable): Fix parentheses at variable name
9270         detection.
9271         (write_tm_constrs_h): Indent generated code.
9272
9273 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9274
9275         * doc/extend.texi (Function Attributes): Add documentation
9276         for isr attributes.
9277
9278 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9279
9280         PR debug/39387
9281         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9282         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9283
9284 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9285
9286         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9287         the loop as bad.
9288
9289 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9290
9291         PR debug/39379
9292         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9293         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9294
9295 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9296
9297         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9298         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9299         constants instead of magic numbers.
9300         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9301         (QI_REG_P): Ditto.
9302         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9303         (x86_64_ms_abi_int_parameter_registers): Ditto.
9304         (x86_64_int_return_registers): Ditto.
9305         (ix86_maybe_switch_abi): Ditto.
9306         (ix86_expand_call): Ditto for clobbered_registers array.
9307         (ix86_hard_regno_mode_ok): Ditto.
9308         (x86_extended_QIreg_mentioned_p): Ditto.
9309
9310 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9311
9312         PR tree-optimization/39349
9313         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9314
9315         * combine.c (gen_lowpart_for_combine): Use omode when generating
9316         clobber.
9317
9318 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9319
9320         PR rtl-optimization/39235
9321         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9322
9323 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9324
9325         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9326
9327 2009-03-04  Richard Guenther  <rguenther@suse.de>
9328
9329         PR tree-optimization/39362
9330         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9331         that occur in abnormal PHIs should be varying.
9332
9333 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9334
9335         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9336         Extend comments.
9337         (simple_iv):  Take loop as an argument instead of statement.
9338         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9339         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9340         to simple_iv.
9341         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9342         Ditto.
9343         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9344         * matrix-reorg.c (analyze_transpose): Ditto.
9345         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9346         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9347         * tree-predcom.c (ref_at_iteration): Ditto.
9348         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9349
9350 2009-03-04  Richard Guenther  <rguenther@suse.de>
9351
9352         PR tree-optimization/39358
9353         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9354         escaped_id and callused_id.
9355         (solve_graph): Likewise.
9356
9357 2009-03-04  Richard Guenther  <rguenther@suse.de>
9358
9359         PR tree-optimization/39339
9360         * tree-sra.c (try_instantiate_multiple_fields): Make it
9361         no longer ICE on the above.
9362
9363 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9364
9365         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9366         that fits within Pmode.
9367
9368 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9369
9370         PR middle-end/10109
9371         * tm.texi (LIBCALL_VALUE): Update description.
9372
9373 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9374
9375         PR middle-end/34443
9376         * doc/extend.texi (section): Update description.
9377
9378 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9379
9380         PR middle-end/39345
9381         * tree-inline.c (remapped_type): New.
9382         (can_be_nonlocal): Call remapped_type instead of remap_type.
9383
9384 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9385
9386         PR fortran/39354
9387         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9388         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9389
9390 2009-03-03  Richard Guenther  <rguenther@suse.de>
9391
9392         PR middle-end/39272
9393         * tree.c (tree_nonartificial_location): New function.
9394         * tree.h (tree_nonartificial_location): Declare.
9395         * builtins.c (expand_builtin_memory_chk): Provide location
9396         of the call location for artificial function pieces.
9397         (maybe_emit_chk_warning): Likewise.
9398         (maybe_emit_sprintf_chk_warning): Likewise.
9399         (maybe_emit_free_warning): Likewise.
9400         * expr.c (expand_expr_real_1): Likewise.
9401
9402 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9403
9404         PR tree-optimization/39343
9405         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9406         COMPONENT_REF t has ARRAY_TYPE.
9407
9408 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9409
9410         PR middle-end/39335
9411         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9412         when the type precision of the induction variable should be
9413         larger than the type precision of nit.
9414         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9415         * graphite.c (graphite_loop_normal_form): Same.
9416         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9417
9418 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9419
9420         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9421         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9422         numbers to describe clobbered registers.
9423         (*call_value_0_rex64_ms_sysv): Ditto.
9424         * config/i386/mmx.md (mmx_emms): Ditto.
9425         (mmx_femms): Ditto.
9426
9427 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9428
9429         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9430         of ABI_64.
9431
9432 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9433
9434         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9435         (spu_section_type_flags): New function.
9436
9437 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9438
9439         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9440         reg_class_contents of FLOAT_REGS into a temporary.
9441
9442 2009-03-02  Richard Guenther  <rguenther@suse.de>
9443             Ira Rosen  <irar@il.ibm.com>
9444
9445         PR tree-optimization/39318
9446         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9447         information to the vectorized statement.
9448
9449 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9450
9451         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9452         variable.  Use defined names instead of magic constants for REX SSE
9453         registers.
9454
9455 2009-03-01  Richard Guenther  <rguenther@suse.de>
9456
9457         PR tree-optimization/39331
9458         * omp-low.c (lower_send_shared_vars): Do not receive new
9459         values for the reference of DECL_BY_REFERENCE parms or results.
9460
9461 2009-03-01  Jan Hubicka  <jh@suse.cz>
9462
9463         PR debug/39267
9464         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9465         BLOCK_NONLOCALIZED_VAR): New macros.
9466         (tree_block): Add nonlocalized_vars.
9467         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9468         gen_decl_die): Add origin argument.  Allow generation of die with
9469         origin at hand only.
9470         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9471         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9472         of gen_*.
9473         (gen_block_die): Fix checking for unused blocks.
9474         (process_scope_var): Break out from .... ; work with origins only.
9475         (decls_for_scope) ... here; process nonlocalized list.
9476         (dwarf2out_ignore_block): Look for nonlocalized vars.
9477         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9478         vars.
9479         (dump_scope_block): Dump them.
9480         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9481         (remap_block): Likewise.
9482         (can_be_nonlocal): New predicate.
9483         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9484
9485 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9486
9487         * configure: Regenerate.
9488
9489 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9490
9491         * optc-gen.awk: No need to duplicate option flags twice.
9492         Reuse help texts for duplicate options which do not have any.
9493
9494         * gcc.c (display_help): Document --version.
9495
9496         * gcc.c (main): If print_help_list and verbose_flag, ensure
9497         driver output comes before subprocess output.
9498
9499         * optc-gen.awk: Assign all remaining fields to help string,
9500         space-separated, for multi-line help in *.opt.
9501
9502         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9503         -Wno-pedantic-ms-format is for MinGW targets only.
9504
9505         * doc/options.texi (Option file format): Fix bad indentation,
9506         restoring dropped sentence.
9507
9508 2009-02-28  Jan Hubicka  <jh@suse.cz>
9509
9510         * tree-inline.c (tree_function_versioning): Output debug info.
9511
9512 2009-02-28  Jan Hubicka  <jh@suse.cz>
9513
9514         PR debug/39267
9515         * tree-inline.c (setup_one_parameter): Do not copy propagate
9516         arguments when not optimizing.
9517
9518 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9519
9520         PR target/39327
9521         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9522         (avx_addsubv4df3): Likewise.
9523         (*avx_addsubv4sf3): Likewise.
9524         (sse3_addsubv4sf3): Likewise.
9525         (*avx_addsubv2df3): Likewise.
9526         (sse3_addsubv2df3): Likewise.
9527         (avx_unpckhps256): Correct item selectors.
9528         (avx_unpcklps256): Likewise.
9529         (avx_unpckhpd256): Likewise.
9530         (avx_unpcklpd256): Likewise.
9531
9532 2009-02-28  Jan Hubicka  <jh@suse.cz>
9533
9534         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9535         static vars.
9536         (copy_arguments_for_versioning): If var is declared don't declare it.
9537         (tree_function_versioning): First setup substitutions and then copy
9538         args.
9539
9540 2009-02-27  Jan Hubicka  <jh@suse.cz>
9541
9542         PR debug/39267
9543         * cgraph.h (varpool_output_debug_info): Remove.
9544         * cgraphunit.c (varpool_output_debug_info): Remove.
9545         * dwarf2out.c (deferred_locations_struct): New struct
9546         (deferred_locations): New type.
9547         (deferred_locations_list): New static var.
9548         (deffer_location): New function.
9549         (gen_variable_die): Use it.
9550         (decls_for_scope): Output info on local static vars.
9551         (dwarf2out_finish): Process deferred locations.
9552         * varpool.c (varpool_output_debug_info): Remove.
9553
9554 2009-02-27  Jan Hubicka  <jh@suse.cz>
9555
9556         PR debug/39267
9557         * tree.h (TREE_PROTECTED): Fix comment.
9558         (BLOCK_HANDLER_BLOCK): Remove.
9559         (struct tree_block): Remove handler_block add body_block.
9560         (inlined_function_outer_scope_p): New.
9561         (is_body_block): Remove.
9562         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9563         * dwarf2out.c (is_inlined_entry_point): Remove.
9564         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9565         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9566         code.
9567         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9568         * gimplify.c (gimplify_expr): Gimplify body blocks.
9569         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9570         block with multiple subblocks.
9571         (dump_scope_block): Prettier output; dump more flags and info.
9572         (dump_scope_blocks): New.
9573         (remove_unused_locals): Use dump_scope_blocks.
9574         * tree-flow.h (dump_scope_blocks): Declare.
9575         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9576         * stmt.c (is_body_block): Remove.
9577         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9578         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9579
9580 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9581
9582         PR middle-end/39308
9583         * graphite.c (graphite_loop_normal_form): Do not call
9584         number_of_iterations_exit from a gcc_assert.
9585
9586 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9587
9588         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9589         jumps if COND is NULL.
9590         (find_cond_jump): New function.
9591         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9592         * config/s390/s390.md: Remove z10_cobra attribute value.
9593
9594 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9595
9596         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9597         force_const_mem returns NULL_RTX.
9598
9599 2009-02-26  Jan Hubicka  <jh@suse.cz>
9600
9601         PR debug/39267
9602         * cgraph.h (varpool_output_debug_info): Remove.
9603         * cgraphunit.c (varpool_output_debug_info): Remove.
9604         * dwarf2out.c (deferred_locations_struct): New struct
9605         (deferred_locations): New type.
9606         (deferred_locations_list): New static var.
9607         (deffer_location): New function.
9608         (gen_variable_die): Use it.
9609         (decls_for_scope): Output info on local static vars.
9610         (dwarf2out_finish): Process deferred locations.
9611         * varpool.c (varpool_output_debug_info): Remove.
9612
9613 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9614
9615         PR rtl-optimization/39241
9616         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9617         to subreg_offset_representable_p.
9618
9619 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9620
9621         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9622         execute function prototype.  Get f and nregs from max_reg_num
9623         and get_insns.  Remove the first backward pass as it's dead,
9624         guard the forward pass by flag_expensive_optimizations.
9625         (rest_of_handle_regmove): Delete.
9626         (pass_regmove): Replace it with regmove_optimize.
9627
9628 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9629
9630         PR tree-optimization/39259
9631         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9632         calls_alloca function flags.
9633         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9634         calls are detected.
9635
9636 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9637
9638         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9639         flags_set_1_rtx, flags_set_1_set): Delete.
9640         (regmove_optimize): Do not call mark_flags_life_zones.
9641
9642 2009-02-24  Julian Brown  <julian@codesourcery.com>
9643
9644         PR target/35965
9645         * config/arm/arm.c (require_pic_register): Only set
9646         cfun->machine->pic_reg once per function.
9647
9648 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9649
9650         * doc/invoke.texi (Link Options): Document an easier way to pass
9651         options that take arguments to the GNU linker using -Xlinker and -Wl.
9652
9653 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9654
9655         PR target/33785
9656         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9657
9658 2009-02-24  Richard Guenther  <rguenther@suse.de>
9659
9660         PR debug/39285
9661         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9662
9663 2009-02-24  Richard Guenther  <rguenther@suse.de>
9664             Zdenek Dvorak  <ook@ucw.cz>
9665
9666         PR tree-optimization/39233
9667         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9668         from converting them to a generic type.
9669
9670 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9671
9672         PR tree-optimization/39260
9673         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9674         contains a condition with a real type.
9675         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9676
9677 2009-02-23  Jason Merrill  <jason@redhat.com>
9678
9679         PR c++/38880
9680         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9681         narrowing_initializer_constant_valid_p.
9682         (narrowing_initializer_constant_valid_p): Don't return
9683         null_pointer_node for adding a pointer to itself.
9684
9685 2009-02-23  Jan Hubicka  <jh@suse.cz>
9686
9687         PR c/12245
9688         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9689         resizing.
9690
9691 2009-02-23  Jan Hubicka  <jh@suse.cz>
9692
9693         PR tree-optimization/37709
9694         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9695         * tree.h (block_ultimate_origin): Declare.
9696         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9697         * tree-ssa-live.c (remove_unused_scope_block_p):
9698         Eliminate blocks containig no instructions nor live variables nor
9699         nested blocks.
9700         (dump_scope_block): New function.
9701         (remove_unused_locals): Enable removal of dead blocks by default;
9702         enable dumping at TDF_DETAILS.
9703
9704 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9705
9706         * config/i386/i386.c (classify_argument): Don't allow COImode
9707         and OImode.
9708         (function_arg_advance_32): Don't allow OImode.
9709         (function_arg_32): Likewise.
9710         (function_value_32): Likewise.
9711         (return_in_memory_32): Likewise.
9712         (function_arg_64): Remove OImode comment.
9713
9714 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9715
9716         PR target/39261
9717         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9718         ix86_expand_vector_set for V4DImode in 64bit mode only.
9719         (ix86_expand_vector_init_one_var): Likewise.
9720
9721 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9722
9723         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9724
9725 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9726
9727         PR bootstrap/39257
9728         * loop-iv.c: Revert last change.
9729         * emit-rtl.c: Likewise.
9730
9731 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9732
9733         PR target/39256
9734         * config/i386/i386.c (type_natural_mode): Remove an extra
9735         space in the warning message.
9736         (function_value_32): Handle 32-byte vector modes.
9737         (return_in_memory_32): Likewise.
9738
9739 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9740
9741         * loop-iv.c (truncate_value): New function.
9742         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9743         of lowpart_subreg.
9744         (lowpart_subreg): Move to...
9745         * emit-rtl.c: ...here.
9746
9747 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9748
9749         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9750         accidental and undocumented change at revision 140860.
9751
9752 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9753
9754         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9755         take gimple_seq * arguments.
9756         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9757         types_compatible_p langhook.
9758
9759 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9760             Joseph Myers  <joseph@codesourcery.com>
9761
9762         * config/arm/arm.c (arm_builtin_va_list): New function.
9763         (arm_expand_builtin_va_start): Likewise.
9764         (arm_gimplify_va_arg_expr): Likewise.
9765         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9766         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9767         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9768         (va_list_type): New variable.
9769         (arm_mangle_type): Mangle va_list_type appropriately.
9770
9771 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9772
9773         PR middle-end/39157
9774         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9775         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9776         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9777         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9778         parameter to 1000 for -O1 by default.
9779         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9780         parameter.
9781         * loop-invariant.c: Include params.h.
9782         (move_loop_invariants): Don't call move_single_loop_invariants on
9783         very large loops.
9784
9785 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9786
9787         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9788         offset when calculating bounds for indexing stack_usage_map.  Fixes
9789         a buffer overflow with certain target setups.
9790
9791 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9792
9793         PR target/39240
9794         * calls.c (expand_call): Clear try_tail_call if caller and callee
9795         disagree in promotion of function return value.
9796
9797 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9798
9799         PR target/39175
9800         * c-common.c (c_determine_visibility): If visibility changed and
9801         DECL_RTL has been already set, call make_decl_rtl to update symbol
9802         flags.
9803
9804 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9805
9806         PR c++/39188
9807         * varasm.c (assemble_variable): Don't check DECL_NAME when
9808         globalizing a variable.
9809
9810 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9811
9812         PR c/38483
9813         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9814         expression before any __builtin_trap call.
9815         * c-typeck.c (build_function_call): Convert and check function
9816         arguments before generating a call to a trap.  Evaluate the
9817         function arguments before the trap.
9818
9819 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9820
9821         PR target/39228
9822         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9823         (UNSPEC_FXAM_MEM): New unspec.
9824         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9825         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9826         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9827
9828 2009-02-19  Richard Guenther  <rguenther@suse.de>
9829
9830         PR tree-optimization/39207
9831         PR tree-optimization/39074
9832         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9833         storedanything_tree): New.
9834         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9835         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9836         (build_succ_graph): Add edges from STOREDANYTHING to all
9837         non-direct nodes.
9838         (init_base_vars): Initialize STOREDANYTHING.
9839         (compute_points_to_sets): Free substitution info after
9840         building the succ graph.
9841         (ipa_pta_execute): Likewise.
9842
9843         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9844         field.
9845         (do_ds_constraint): Do not add to special var or non-pointer
9846         field solutions.
9847         (type_could_have_pointers): Split out from ...
9848         (could_have_pointers): ... here.  For arrays use the element type.
9849         (create_variable_info_for): Initialize may_have_pointers.
9850         (new_var_info): Likewise.
9851         (handle_lhs_call): Make the HEAP variable unknown-sized.
9852         (intra_create_variable_infos): Use a type with pointers for
9853         PARM_NOALIAS, make it unknown-sized.
9854
9855 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9856
9857         PR target/39224
9858         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9859
9860 2009-02-18  Jason Merrill  <jason@redhat.com>
9861
9862         PR target/39179
9863         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9864         value if DECL_EXTERNAL.
9865         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9866         * target.h (gcc_target::binds_local_p): Clarify "module".
9867         * tree.h (TREE_PUBLIC): Clarify "module".
9868
9869 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9870
9871         PR target/38891
9872         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9873         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9874
9875 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9876
9877         PR target/39082
9878         * c.opt (Wabi): Support C and ObjC.
9879         (Wpsabi): New.
9880
9881         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9882
9883         * config/i386/i386.c (classify_argument): Warn once about the ABI
9884         change when passing union with long double.
9885
9886         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9887
9888 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9889
9890         PR c/35447
9891         * c-parser.c (c_parser_compound_statement): Always enter and leave
9892         a scope.
9893
9894 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9895
9896         PR target/34587
9897         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9898
9899 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9900
9901         PR tree-optimization/36922
9902         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9903         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9904         Likewise.
9905
9906 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9907
9908         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9909         to 0 for EABI64.
9910
9911 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9912
9913         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9914
9915 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9916
9917         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9918         tree sharing.
9919
9920 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9921             Richard Sandiford  <rdsandiford@googlemail.com>
9922
9923         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9924         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9925         (loongson_biadd): ...this.
9926
9927 2009-02-17  Richard Guenther  <rguenther@suse.de>
9928
9929         PR tree-optimization/39202
9930         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9931         a var make sure to follow existing collapses.
9932
9933 2009-02-17  Richard Guenther  <rguenther@suse.de>
9934
9935         PR middle-end/39214
9936         * langhooks.c (lhd_print_error_function): Check for NULL block.
9937
9938 2009-02-17  Richard Guenther  <rguenther@suse.de>
9939
9940         PR tree-optimization/39204
9941         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9942         of the PHI arg.
9943
9944 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9945
9946         * config/soft-fp/double.h: Update from glibc CVS.
9947
9948 2009-02-17  Richard Guenther  <rguenther@suse.de>
9949
9950         PR tree-optimization/39207
9951         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9952         strict-aliasing warnings for pointers pointing to NULL.
9953
9954 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9955
9956         PR c/35446
9957         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9958         skipping until next close brace.
9959
9960 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9961
9962         PR target/37049
9963         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9964         to function argument boundary.
9965
9966 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9967
9968         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9969         in the lea_add. Reload eventually constraints it properly.
9970         * config/picochip/constraints.md: Remove the target constraint
9971         "b", since it is not needed anymore.
9972
9973 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9974
9975         * gthr-dce.h: Uglify function parameter and local variable names.
9976         * gthr-gnat.h: Likewise.
9977         * gthr-mipssde.h: Likewise.
9978         * gthr-nks.h: Likewise.
9979         * gthr-posix95.h: Likewise.
9980         * gthr-posix.h: Likewise.
9981         * gthr-rtems.h: Likewise.
9982         * gthr-single.h: Likewise.
9983         * gthr-solaris.h: Likewise.
9984         * gthr-tpf.h: Likewise.
9985         * gthr-vxworks.h: Likewise.
9986         * gthr-win32.h: Likewise.
9987
9988 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9989
9990         PR target/39196
9991         * config/i386/i386.md: Restrict the new peephole2 to move
9992         between MMX/SSE registers.
9993
9994 2009-02-15  Richard Guenther  <rguenther@suse.de>
9995
9996         Revert
9997         2009-02-13  Richard Guenther  <rguenther@suse.de>
9998
9999         * configure.ac: Enable LFS.
10000         * configure: Re-generate.
10001         * config.in: Likewise.
10002
10003 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10004
10005         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10006         spu_srqwbyte, spu_srqwbytebc): Define.
10007         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10008         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10009         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10010         "shrqby_<mode>"): New insn-and-split patterns.
10011         * config/spu/spu.c (expand_builtin_args): Determine and return
10012         number of operands using spu_builtin_description data.
10013         (spu_expand_builtin_1): Use it.
10014
10015 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10016
10017         PR target/38056
10018         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10019         TARGET_CONST_GP.
10020
10021 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10022
10023         PR target/39149
10024         * config/i386/i386.c (override_options): Correct warning
10025         messages for -malign-loops, -malign-jumps and -malign-functions.
10026
10027 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10028
10029         PR target/39152
10030         * config/i386/i386.md: Restrict the new peephole2 to move
10031         between the general purpose registers.
10032
10033 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10034
10035         PR target/39162
10036         * config/i386/i386.c (type_natural_mode): Add a new argument.
10037         Return the original mode and warn ABI change if vector size is 32byte.
10038         (function_arg_advance): Updated.
10039         (function_arg): Likewise.
10040         (ix86_function_value): Likewise.
10041         (ix86_return_in_memory): Likewise.
10042         (ix86_sol10_return_in_memory): Likewise.
10043         (ix86_gimplify_va_arg): Likewise.
10044         (function_arg_32): Don't warn ABX ABI change here.
10045         (function_arg_64): Likewise.
10046
10047 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10048
10049         * loop-iv.c (implies_p): In the final case, test that operands 0
10050         of the two comparisons match.
10051
10052         * config/bfin/bfin.c (find_prev_insn_start): New function.
10053         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10054         (find_next_insn_start): Move.
10055
10056 2009-02-13  Richard Guenther  <rguenther@suse.de>
10057
10058         * configure.ac: Enable LFS.
10059         * configure: Re-generate.
10060         * config.in: Likewise.
10061
10062 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10063
10064         PR c/35444
10065         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10066         sizes on syntax error after some arguments have been parsed.
10067
10068 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10069
10070         * doc/invoke.texi (-fira): Remove.
10071
10072 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10073
10074         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10075         * recog.c: Likewise.
10076         * rtl.h: Likewise.
10077
10078 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10079
10080         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10081         (umul_ppmm): Likewise.
10082         (count_leading_zeros): Likewise.
10083         (count_trailing_zeros): Likewise.
10084         (UMUL_TIME): Likewise.
10085
10086 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10087
10088         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10089         soft-fp/t-softfp to tmake_file.
10090
10091         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10092         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10093         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10094         IA64_BUILTIN_INFQ]: New.
10095         (ia64_init_builtins): Initialize __builtin_infq,
10096         __builtin_fabsq and __builtin_copysignq if not HPUX.
10097         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10098         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10099
10100         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10101         SHARED is defined.
10102         (__fixtfti): Likewise.
10103         (__fixunstfti): Likewise.
10104         (__floattitf): Likewise.
10105
10106         * config/ia64/libgcc-glibc.ver: New.
10107         * config/ia64/t-fprules-softfp: Likewise.
10108         * config/ia64/sfp-machine.h: Likewise.
10109
10110         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10111         (LIBGCC2_TF_CEXT): Likewise.
10112         (TF_SIZE): Likewise.
10113         (TARGET_INIT_LIBFUNCS): Likewise.
10114
10115         * config/ia64/t-glibc (SHLINB_MAPFILES):
10116         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10117
10118 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10119
10120         * config/i386/i386.c (construct_container): Rewrite processing
10121         BLKmode with X86_64_SSE_CLASS.
10122
10123 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10124
10125         PR target/39152
10126         * config/i386/i386.md: Replace simplify_replace_rtx with
10127         replace_rtx in the new peephole2.
10128
10129 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10130
10131         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10132         loop unrolling do not happen at -O2.
10133
10134 2009-02-12  Michael Matz  <matz@suse.de>
10135
10136         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10137
10138 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10139
10140         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10141         for -g3.
10142
10143 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10144
10145         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10146         patterns when updating the back chain.  Missed in the 2009-02-10
10147         change.
10148
10149 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10150
10151         * doc/extend.texi (Decimal Floating Types): Update identifier of
10152         draft TR and list of missing support.
10153
10154 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10155
10156         PR middle-end/39154
10157         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10158         bit to variable length decl's flags, add it also to its
10159         pointer replacement variable.
10160
10161 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10162             Jakub Jelinek  <jakub@redhat.com>
10163
10164         PR target/39118
10165         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10166         (memory_blockage): New expander.
10167         (*memory_blockage): New insn pattern.
10168         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10169         instead of general blockage at the end of function prologue when
10170         frame pointer is used to access red zone area.  Do not emit blockage
10171         when profiling, it is emitted in generic code.
10172         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10173         function epilogue when frame pointer is used to access red zone area.
10174
10175 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10176
10177         PR target/38824
10178         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10179         by arithmetic with memory operands.
10180         * config/i386/predicates.md (commutative_operator): New.
10181
10182 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10183
10184         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10185         bulleted lists.
10186
10187 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10188
10189         * alias.h (record_alias_subset): Declare.
10190         * alias.c (record_alias_subset): Make global.
10191
10192 2009-02-10  Nick Clifton  <nickc@redhat.com>
10193
10194         * tree-parloops.c: Change license to GPLv3.
10195         * ipa-struct-reorg.c: Change license to GPLv3.
10196         * ipa-struct-reorg.h: Change license to GPLv3.
10197
10198 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10199
10200         PR c/39084
10201         * c-decl.c (start_struct): Return NULL on error.
10202
10203 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10204
10205         PR middle-end/39124
10206         * cfgloopmanip.c (remove_path): Call remove_bbs after
10207         cancel_loop_tree, not before it.
10208
10209         PR target/39139
10210         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10211         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10212         VAR_DECLs were seen.
10213         * tree-ssa-live.c (remove_unused_locals): Recompute
10214         cfun->has_local_explicit_reg_vars.
10215         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10216         copies or clearings if cfun->has_local_explicit_reg_vars.
10217
10218 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10219
10220         PR target/39118
10221         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10222         of function prologue when frame pointer is used to access
10223         red zone area.
10224
10225 2009-02-10  Richard Guenther  <rguenther@suse.de>
10226
10227         PR middle-end/39127
10228         * gimplify.c (gimple_regimplify_operands): Always look if
10229         we need to create a temporary.
10230
10231 2009-02-10  Richard Guenther  <rguenther@suse.de>
10232
10233         PR tree-optimization/39132
10234         * tree-loop-distribution.c (todo): New global var.
10235         (generate_memset_zero): Trigger TODO_rebuild_alias.
10236         (tree_loop_distribution): Return todo.
10237
10238 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10239
10240         PR target/39119
10241         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10242         (x86_64_reg_class_name): Removed.
10243         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10244         first one isn't X86_64_SSE_CLASS or any other ones aren't
10245         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10246         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10247         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10248         and 3 X86_64_SSEUP_CLASS.
10249         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10250         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10251
10252 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10253
10254         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10255         form instruction to update the stack back chain word, even if the
10256         user has disabled the generation of update instructions.
10257         (movdi_<mode>_update_stack): New.
10258         (movsi_update_stack): Likewise.
10259         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10260         always use an update form instruction to update the stack back
10261         chain word.
10262
10263 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10264
10265         PR middle-end/38953
10266         * graphite.c (if_region_set_false_region): After moving a region in
10267         the false branch of a condition, remove the empty dummy basic block.
10268         (gloog): Remove wrong fix for PR38953.
10269
10270 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10271
10272         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10273         generation due to implicit sign extension.
10274
10275 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10276
10277         PR middle-end/38981
10278         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10279         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10280
10281 2009-02-09  Richard Guenther  <rguenther@suse.de>
10282
10283         PR middle-end/35202
10284         * convert.c (convert_to_real): Disable (float)fn((double)x)
10285         to fnf(x) conversion if errno differences may occur and
10286         -fmath-errno is set.
10287
10288 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10289
10290         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10291         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10292         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10293
10294 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10295
10296         PR c/35434
10297         * c-common.c (handle_alias_attribute): Disallow attribute for
10298         anything not a FUNCTION_DECL or VAR_DECL.
10299
10300 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10301
10302         PR c/39035
10303         * real.c (do_compare): Special-case compare of zero against
10304         decimal float value.
10305
10306 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10307
10308         PR c/36432
10309         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10310         as indicating flexible array members unless the field itself is
10311         being declarared as the incomplete array.
10312
10313 2009-02-06  Jan Hubicka  <jh@suse.cz>
10314
10315         PR tree-optimization/38844
10316         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10317         is already inlined.
10318
10319 2009-02-06  Richard Guenther  <rguenther@suse.de>
10320
10321         PR middle-end/38977
10322         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10323         fork because we may expand it as __gcov_fork.
10324
10325 2009-02-06  Nick Clifton  <nickc@redhat.com>
10326
10327         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10328
10329 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10330
10331         PR tree-optimization/35659
10332         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10333         vn_phi_eq): Shortcut if hashcode does not match.
10334         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10335         NULL operands.
10336         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10337         and avoid iterative_hash_expr.
10338         (FOR_EACH_VALUE_ID_IN_SET): New.
10339         (value_id_compare): Remove.
10340         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10341         sort expressions by value id.
10342
10343 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10344
10345         PR target/38991
10346         * config/sh/predicates.md (general_movsrc_operand): Don't check
10347         the subreg of system registers here.
10348
10349 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10350
10351         PR c++/39106
10352         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10353         on the copied decl.
10354
10355 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10356
10357         PR rtl-optimization/39110
10358         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10359         addresses, not aligned ones.
10360
10361 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10362             Richard Guenther  <rguenther@suse.de>
10363
10364         PR tree-optimization/39100
10365         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10366         comment says and add edges.
10367
10368 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10369
10370         PR c/35435
10371         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10372         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10373
10374 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10375
10376         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10377         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10378         register_bb_in_sese, new_sese, free_sese): Moved.
10379         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10380         outermost_loop_in_scop, build_scop_iteration_domain,
10381         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10382         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10383         Use loop_in_sese_p instead of loop_in_scop_p.
10384         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10385         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10386         (scopdet_basic_block_info): Fix bug in scop detection.
10387         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10388         eq_loop_to_cloog_loop): Remove.
10389         (nb_loops_around_loop_in_scop, nb_loop
10390         ref_nb_loops): Moved here...
10391         * graphite.h (ref_nb_loops): ... from here.
10392         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10393         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10394         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10395         * testsuite/gcc.dg/graphite/scop-19.c: New
10396
10397 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10398             Hans-Peter Nilsson  <hp@axis.com>
10399
10400         PR rtl-optimization/37889
10401         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10402         Move offset handling from PLUS to before the switch.  Use new
10403         arguments when considering SYMBOL_REFs too.
10404         (rtx_addr_can_trap_p): Pass dummy offset and size.
10405         (enum may_trap_p_flags): Remove.
10406         (may_trap_p_1): Pass size from MEM_SIZE.
10407
10408         PR rtl-optimization/38921
10409         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10410         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10411         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10412         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10413
10414 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10415
10416         AVX Programming Reference (January, 2009)
10417         * config/i386/sse.md (*vpclmulqdq): New.
10418
10419 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10420
10421         PR tree-optimization/38977
10422         PR gcov-profile/38292
10423         * calls.c (special_function_p): Disregard __builtin_ prefix.
10424
10425 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10426
10427         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10428         non-indexable addresses even before reload.
10429
10430 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10431
10432         PR c/29129
10433         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10434         as having variable size.  Do not give an error for unnamed
10435         parameters with [*] declarators.  Give a warning for type names
10436         with [*] declarators and mark them as variable size.
10437         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10438         for sizeof applied to [*] type names.
10439
10440 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10441
10442         PR C++/36607
10443         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10444
10445 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10446
10447         * gcc.c (process_command): Update copyright notice dates.
10448         * gcov.c (print_version): Likewise.
10449         * gcov-dump.c (print_version): Likewise.
10450         * mips-tfile.c (main): Likewise.
10451         * mips-tdump.c (main): Likewise.
10452
10453 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10454
10455         PR c/35433
10456         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10457         for composite type involving a zero-length array type.
10458
10459 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10460
10461         PR target/35318
10462         * function.c (match_asm_constraints_1): Skip over
10463         initial optional % in the constraint.
10464
10465         PR inline-asm/39059
10466         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10467         supported, don't accept FIXED_CSTs.
10468         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10469         and _Sat is used without _Fract/_Accum.  Set specs->type to
10470         integer_type_node for cts_fract/cts_accum if fixed point is not
10471         supported.
10472
10473 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10474
10475         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10476
10477 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10478
10479         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10480         (ABI_HAS_64BIT_SYMBOLS): Use it.
10481         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10482
10483 2009-02-02  Paul Brook  <paul@codesourcery.com>
10484
10485         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10486
10487 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10488
10489         PR inline-asm/39058
10490         * recog.h (asm_operand_ok): Add constraints argument.
10491         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10492         recurse on matching constraint.
10493         (check_asm_operands): Pass constraints as 3rd argument to
10494         asm_operand_ok.  Don't look up matching constraint here.
10495         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10496         to asm_operand_ok.
10497
10498 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10499
10500         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10501         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10502
10503 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10504
10505         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10506         information.  Remove some obsolete information.  Reorganize.
10507
10508         * config/pa/fptr.c: Revert license to GPL 2.
10509         * config/pa/milli64.S: Likewise.
10510
10511 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10512
10513         PR target/38904
10514         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10515         LIBRARY name in, instead of hard-coding it.
10516         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10517         extra target make frag to tmake_files according to EH model.
10518         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10519         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10520         frags that define makefile variable EH_MODEL appropriately.
10521         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10522         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10523         to "-sjlj" according to type of EH configured.
10524         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10525         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10526         to "_sjlj" according to type of EH configured.
10527         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10528         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10529         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10530         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10531         string value of "pe_dll" command-line option.
10532         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10533         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10534         (SHLIB_IMPLIB):  Override t-cygming default.
10535         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10536         string value of "pe_dll" command-line option.
10537
10538 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10539
10540         PR target/38952
10541         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10542         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10543
10544 2009-01-31  Richard Guenther  <rguenther@suse.de>
10545
10546         PR tree-optimization/38937
10547         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10548         computing the transitive closure.
10549
10550 2009-01-30  Richard Guenther  <rguenther@suse.de>
10551
10552         PR tree-optimization/39041
10553         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10554         Propagate variable indices only if the types match for this stmt.
10555
10556 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10557
10558         PR target/39013
10559         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10560         inline but never defined.
10561
10562 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10563
10564         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10565         (*insv_h_di_reg_extimm): New insn.
10566         (*insv_l<mode>_reg_extimm): New insn.
10567
10568 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10569
10570         * config/picochip/picochip.c (flag_conserve_stack): set
10571         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10572         fconserve-stack. Reduce call-overhead used by inliner.
10573
10574 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10575
10576         PR/38157
10577         * common.opt (flag_conserve_stack): Initialised to zero.
10578
10579 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10580
10581         PR/39002
10582         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10583         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10584         method.
10585
10586 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10587
10588         * ira-color.c (allocno_reload_assign): Update comments.
10589         * regmove.c (regmove_optimize): Likewise.
10590
10591         * ra.h: Removed.
10592
10593 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10594
10595         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10596         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10597         `MD_UNWIND_SUPPORT'.
10598         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10599
10600 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10601
10602         PR tree-optimization/39007
10603         * tree-loop-distribution.c (generate_builtin): Use
10604         recompute_dominator to compute the immediate dominator of the
10605         basic block just after the loop.
10606
10607 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10608
10609         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10610         (ASM_OUTPUT_DWARF_PCREL): Define.
10611
10612 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10613
10614         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10615         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10616         global.  Modify entries about regmove and IRA.
10617
10618         * ra-conflict.c: Remove the file.
10619
10620         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10621
10622         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10623         (pass_regclass_init): Rename to pass_reginfo_init.
10624
10625         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10626
10627         * toplev.h (flag_ira): Remove.
10628
10629         * caller-save.c (setup_save_areas): Remove flag_ira.
10630
10631         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10632
10633         * global.c: Remove the file.
10634
10635         * opts.c (decode_options): Remove flag_ira.
10636
10637         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10638
10639         * regmove.c: Modify file description.
10640         (find_use_as_address, try_auto_increment): Define them only if
10641         AUTO_INC_DEC is defined.
10642         (replacement_quality, replace_in_call_usage, fixup_match_1,
10643         stable_and_no_regs_but_for_p): Remove.
10644         (reg_set_in_bb): Make it static.
10645         (regmove_optimize): Remove flag_ira and code which worked for
10646         !flag_ira.
10647
10648         * local-alloc.c: Remove the file.
10649
10650         * common.opt (fira): Remove.
10651
10652         * ira.c: Include except.h.
10653         (eliminable_regset): Move from global.c.
10654         (mark_elimination): Ditto.  Remove flag_ira.
10655         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10656         equiv_mem_modified, validate_equiv_mem_from_store,
10657         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10658         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10659         no_equiv, recorded_label_ref): Move from local-alloc.c.
10660         (update_equiv_regs): Ditto.  Make it static.
10661         (print_insn_chain, print_insn_chains): Move it from global.c.
10662         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10663         (build_insn_chain): Ditto.  Make it static.
10664         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10665         Rename to init_live_subregs.
10666         (gate_ira): Remove flag_ira.
10667
10668         * regclass.c: Rename reginfo.c.  Change file description.
10669         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10670         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10671         (init_reg_sets_1): Remove code for evaluation of
10672         reg_class_superclasses and losing_caller_save_reg_set.
10673         (init_regs): Remove init_reg_autoinc.
10674         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10675         ok_for_base_p_nonstrict): Remove.
10676         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10677         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10678         corresponding entries.
10679         (dump_regclass, record_operand_costs, scan_one_insn,
10680         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10681         record_address_regs, auto_inc_dec_reg_p): Remove.
10682         (gt-regclass.h): Rename to gt-reginfo.h.
10683
10684         * rtl.h (dump_global_regs, retry_global_alloc,
10685         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10686
10687         * Makefile.in (RA_H): Remove.
10688         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10689         Rename regclass.o to reginfo.o.
10690         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10691         gt-reginfo.h.
10692         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10693         (GTFILES): Rename regclass.c to reginfo.c.
10694
10695         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10696         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10697
10698         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10699         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10700         Remove flag_ira.
10701         (finish_spills): Ditto.  Remove code for !flag_ira.
10702
10703 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10704
10705         PR middle-end/35854
10706         * doc/invoke.texi (rtl debug options): Complete rewrite.
10707         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10708         to auto_inc_dec".
10709         * mode-switching.c (pass_mode_switching): Rename pass from
10710         "mode-sw" to "mode_sw".
10711         * except.c (pass_convert_to_eh_ranges): Rename pass from
10712         "eh-ranges" to "eh_ranges".
10713         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10714         to "subreg1".
10715
10716
10717 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10718             Alexander Monakov  <amonakov@ispras.ru>
10719
10720         PR middle-end/38857
10721         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10722         register.
10723         (move_exprs_to_boundary): Change return type and pass through
10724         should_move from move_op.  Relax assert.  Update usage ...
10725         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10726         cant_move.
10727         (move_op_orig_expr_found): Indicate that insn was disconnected from
10728         stream.
10729         (code_motion_process_successors): Do not call after_merge_succs
10730         callback if original expression was not found when traversing any of
10731         the branches.
10732         (code_motion_path_driver): Change return type.  Update prototype.
10733         (move_op): Update comment.  Add a new parameter (should_move).  Update
10734         prototype.  Set *should_move based on indication provided by
10735         move_op_orig_expr_found.
10736
10737 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10738
10739         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10740         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10741         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10742         * config/rs6000/rs6000.c (rs6000_override_options): Default
10743         avoid-indexed-addresses on for Power6, off for everything else.
10744         (avoiding_indexed_address_p): New function.
10745         (rs6000_legitimize_address): Use it.
10746         (rs6000_legitimate_address): Likewise.
10747         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10748
10749 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10750
10751         PR tree-optimization/38997
10752         * tree-loop-distribution.c (generate_memset_zero): Use
10753         POINTER_PLUS_EXPR for a pointer addition.
10754
10755 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10756
10757         * config/s390/s390.md (bswap<mode>2): New pattern added.
10758
10759 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10760
10761         * config/s390/s390.md (*tls_load_31): Added type attribute.
10762
10763 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10764
10765         * config/s390/s390.md: Fix a few comments.
10766
10767 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10768
10769         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10770         (*tm<mode>_full): Fixed z10prop attribute.
10771         (*tst<mode>_extimm): Fixed z10prop attribute.
10772         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10773         (*tstqiCCT_cconly): Fixed z10prop attribute.
10774         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10775         (*movsi_larl): Fixed z10prop attribute.
10776         (*movsi_zarch): Fixed z10prop attribute.
10777         (*movsi_eas): Fixed z10prop attribute.
10778         (*movhi): Fixed z10prop attribute.
10779         (*movqi): Fixed z10prop attribute.
10780         (*movstrictqi): Fixed z10prop attribute.
10781         (*mov<mode>): Fixed z10prop attribute.
10782         (*movcc): Fixed z10prop attribute.
10783         (*sethighpartdi_64): Fixed z10prop attribute.
10784         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10785         (*negdi2_sign_cc): Fixed z10prop attribute.
10786         (*negdi2_sign): Fixed z10prop attribute.
10787         (*absdi2_sign_cc): Fixed z10prop attribute.
10788         (*absdi2_sign): Fixed z10prop attribute.
10789         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10790         (*negabsdi2_sign): Fixed z10prop attribute.
10791         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10792         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10793         (doloop_si64): Fixed z10prop attribute.
10794         (doloop_si31): Fixed z10prop attribute.
10795         (doloop_long): Fixed z10prop attribute.
10796         (indirect_jump): Fixed z10prop attribute.
10797         (nop): Fixed z10prop attribute.
10798         (main_base_64): Fixed z10prop attribute.
10799         (reload_base_64): Fixed z10prop attribute.
10800
10801 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10802
10803         PR rtl-optimization/38740
10804         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10805         if !optimize.
10806         * config/mips/mips.c (mips_reorg): Likewise.
10807
10808 2009-01-28  Richard Guenther  <rguenther@suse.de>
10809
10810         PR tree-optimization/38926
10811         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10812         with the correct value id to a value.
10813         (do_regular_insertion): Use the value number of edoubleprime
10814         for the value number of the expr.
10815
10816         Revert
10817         2008-08-21  Richard Guenther  <rguenther@suse.de>
10818
10819         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10820         a PHI ask VN if it is already available.
10821         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10822         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10823
10824 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10825
10826         PR middle-end/38934
10827         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10828         set to varying whenever max has TREE_OVERFLOW set, similarly
10829         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10830
10831 2009-01-28  Richard Guenther  <rguenther@suse.de>
10832
10833         PR middle-end/38908
10834         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10835         uninitialized aggregate uses in call arguments.
10836
10837 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10838
10839         PR tree-optimization/38984
10840         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10841         the nothing_id variable if -fno-delete-null-pointer-checks.
10842
10843 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10844
10845         PR target/38988
10846         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10847         (set_got_offset_rex64): Ditto.
10848
10849 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10850
10851         PR target/38941
10852         * doc/extend.texi: Improve local variable with asm reg.
10853
10854 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10855
10856         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10857         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10858         was not supplied then set warn_packed_bitfield_compat to the
10859         default value of 1.
10860         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10861         against 1.
10862
10863 2009-01-27  Richard Guenther  <rguenther@suse.de>
10864
10865         PR tree-optimization/38503
10866         * cfgexpand.c (expand_gimple_basic_block): Ignore
10867         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10868         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10869         variables that cannot have TBAA applied.
10870         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10871         statements.
10872
10873 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10874
10875         PR middle-end/38969
10876         * calls.c (initialize_argument_information): Do not wrap complex
10877         arguments in SAVE_EXPR.
10878
10879 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10880
10881         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10882         (INSTALL_LIBGCC): Revert typo commit.
10883
10884 2009-01-26  Richard Guenther  <rguenther@suse.de>
10885
10886         PR tree-optimization/38745
10887         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10888         from special handling.
10889
10890 2009-01-26  Richard Guenther  <rguenther@suse.de>
10891
10892         PR tree-optimization/38745
10893         * tree-ssa.c (execute_update_addresses_taken): Do not include
10894         variables that cannot possibly be a register in not_reg_needs.
10895         Do not clear TREE_ADDRESSABLE on vars that may not become
10896         registers.
10897         * tree-ssa.c (update_alias_info_1): Include those in the set
10898         of addressable vars.
10899
10900 2009-01-26  Richard Guenther  <rguenther@suse.de>
10901
10902         PR middle-end/38851
10903         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10904         * tree-ssa-dse.c: Include langhooks.h
10905         (execute_simple_dse): Remove stores with zero size.
10906
10907 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10908
10909         PR c/38957
10910         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10911         as PLUS_EXPR.
10912
10913 2009-01-24  Julian Brown  <julian@codesourcery.com>
10914
10915         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10916         config/arm/linux-atomic.c.
10917         * config/arm/linux-atomic.c: New.
10918
10919 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10920
10921         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10922         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10923         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10924
10925 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10926
10927         PR c/38938
10928         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10929         properly.
10930
10931 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10932
10933         PR tree-optimization/38953
10934         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10935         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10936         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10937         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10938         changed the CFG.
10939
10940 2009-01-24  Paul Brook  <paul@codesourcery.com>
10941
10942         * config/arm/neon.md (neon_type): Move to arm.md.
10943         (neon_mov<VSTRUCT>): Add neon_type attribute.
10944         * config/arm/arm.md (neon_type): Move to here.
10945         (conds): Add "unconditioal" and use as default for NEON insns.
10946
10947 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10948
10949         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10950         void *' warning from -Wc++-compat.
10951         * Makefile.in (dominance.o-warn): Remove.
10952
10953 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10954
10955         PR tree-optimization/38932
10956         * fold-const.c (fold_unary_ignore_overflow): New.
10957         * tree.h (fold_unary_ignore_overflow): Declare.
10958         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10959         * tree-ssa-sccvn.c (visit_reference_op_load,
10960         simplify_unary_expression): Likewise.
10961
10962 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10963
10964         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10965         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10966         regardless of their type.
10967         * c-common.c (handle_packed_attribute): Don't ignore packed on
10968         bitfields.
10969         * c.opt (Wpacked-bitfield-compat): New warning option.
10970         * stor-layout.c (place_field): Warn if offset of a field changed.
10971         * doc/extend.texi (packed): Mention the ABI change.
10972         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10973         (Warning Options): Add it to the list.
10974
10975 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10976
10977         * c-opts.c (c_common_post_options): Fix a typo in comments.
10978
10979 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10980
10981         PR middle-end/38615
10982         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10983         variables to static.
10984         * doc/invoke.texi (-fmerge-all-constants): Update description.
10985
10986 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10987
10988         PR target/38931
10989         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10990         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10991
10992 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10993
10994         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10995         a word boundary.
10996         (LOCAL_ALIGNMENT): Similarly.
10997
10998 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10999             Joseph Myers  <joseph@codesourcery.com>
11000
11001         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11002         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11003         * config/arm/arm-tune.md: Regenerate.
11004         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11005         -march=iwmmxt2.
11006
11007 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11008
11009         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11010         version number to five.
11011
11012 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11013
11014         PR c++/38930
11015         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11016         * c-common.c (set_underlying_type): Likewise.
11017         (is_typedef_decl ): Likewise
11018         * tree.h: Likewise
11019         (set_underlying_type): Likewise.
11020         (is_typedef_type): Likewise.
11021
11022 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11023
11024         PR middle-end/38587
11025         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11026         crossing setjmps.
11027
11028 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11029
11030         PR bootstrap/37660
11031         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11032         (LIBGCC_SPEC):  Don't define.
11033         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11034
11035 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11036
11037         PR rtl-optimization/38879
11038         * alias.c (base_alias_check): Unaligned access via AND address can
11039         alias all surrounding object types except those with sizes equal
11040         or wider than the size of unaligned access.
11041
11042 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11043
11044         PR c++/26693
11045         * c-decl.c (clone_underlying_type): Move this ...
11046         * c-common.c (set_underlying_type): ... here.
11047         Also, make sure the function properly sets TYPE_STUB_DECL() on
11048         the newly created typedef variant type.
11049         (is_typedef_decl ): New entry point.
11050         * tree.h: Added a new member member_types_needing_access_check to
11051         struct tree_decl_non_common.
11052         (set_underlying_type): New entry point.
11053         (is_typedef_type): Likewise.
11054
11055 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11056
11057         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11058         Check whether two instructions have memory references that
11059         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11060         are helper functions for traversing.
11061         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11062         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11063         not to draw dependency edge for instructions with non-conflicting
11064         alias sets.
11065
11066 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11067
11068         PR other/38758
11069         * longlong.h: Update copyright years.  Use soft-fp license notice.
11070         Sync __clz_tab declaration with glibc.
11071
11072 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11073
11074         PR target/30687
11075         * doc/extend.texi (syscall_linkage): New.
11076         (version_id): Modify.
11077
11078 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11079             Richard Guenther  <rguenther@suse.de>
11080
11081         PR tree-optimization/38747
11082         PR tree-optimization/38748
11083         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11084         conversion if the base address is an indirect reference and the
11085         aliasing sets could cause issues.
11086
11087 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11088
11089         * common.opt (fgraphite, fgraphite-identity): Add comment for
11090         explaining why these options are not documented.
11091
11092 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11093
11094         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11095         gimple_call_lhs is NULL.
11096
11097 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11098
11099         PR target/38868
11100         * emit-rtl.c (adjust_address_1): Make sure memref is never
11101         overwritten.
11102
11103 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11104
11105         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11106         const qualifier from arg parameter. Remove unnecessary cast to char *.
11107         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11108         const qualifier from arg 2.
11109
11110 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11111
11112         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11113
11114 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11115
11116         PR c/38869
11117         * rtl.h (reinit_regs): New prototype.
11118         * regclass.c: Include ira.h.
11119         (reinit_regs): New.
11120         * Makefile.in (regclass.o): Add ira.h.
11121         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11122
11123 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11124
11125         PR target/38736
11126         * c-common.c (handle_aligned_attribute): Use
11127         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11128         default alignment value.
11129
11130         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11131
11132         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11133         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11134
11135         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11136         __BIGGEST_ALIGNMENT__.
11137
11138         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11139
11140 2009-01-18  Richard Guenther  <rguenther@suse.de>
11141
11142         PR tree-optimization/38819
11143         * tree-flow.h (operation_could_trap_helper_p): Declare.
11144         * tree-eh.c (operation_could_trap_helper_p): Export.
11145         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11146         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11147         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11148         are about to insert a possibly trapping instruction and fail
11149         in this case.
11150
11151 2009-01-18  Andreas Schwab  <schwab@suse.de>
11152
11153         * doc/install.texi (Configuration): Remove obsolete paragraph
11154         about use of --with-gnu-ld with --with-gnu-as.
11155
11156 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11157
11158         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11159         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11160         Follow spelling conventions.
11161
11162 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11163
11164         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11165         C++ warning about implicit conversion from void * to struct
11166         bitmap_head_def *.
11167         (bitmap_obstack_free): Likewise for bitmap_element *.
11168         * Makefile.in (bitmap.o-warn): Remove.
11169
11170 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11171
11172         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11173
11174 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11175             Tobias Grosser  <tobi.grosser@amd.com>
11176
11177         * graphite.c (graphite_trans_scop_block): Do not block single
11178         nested loops.
11179
11180 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11181
11182         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11183         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11184         test with assertion.
11185
11186 2009-01-16  Richard Guenther  <rguenther@suse.de>
11187
11188         PR tree-optimization/38835
11189         PR middle-end/36227
11190         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11191         and INT + PTR -> (INT)(PTR p+ INT) folding.
11192         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11193
11194 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11195
11196         PR target/38554
11197         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11198         the subreg from a lowpart subreg if it is also casting the value.
11199
11200 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11201             Tobias Grosser  <tobi.grosser@amd.com>
11202
11203         * graphite.c (compare_prefix_loops): New.
11204         (build_scop_canonical_schedules): Rewritten.
11205         (graphite_transform_loops): Move build_scop_canonical_schedules
11206         after build_scop_iteration_domain.
11207
11208 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11209             Tobias Grosser  <tobi.grosser@amd.com>
11210
11211         * graphite.c (add_conditions_to_domain): Add the loops to
11212         the dimension of the iteration domain.  Do copy the domain
11213         only when it exists.
11214         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11215         (add_conditions_to_constraints): New.
11216         (can_generate_code_stmt, can_generate_code): Removed.
11217         (gloog): Do not call can_generate_code.
11218         (graphite_transform_loops): Call add_conditions_to_constraints
11219         after building the iteration domain.
11220
11221 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11222
11223         PR tree-optimization/38789
11224         * tree-ssa-threadedge.c
11225         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11226         __builtin_constant_p.
11227
11228 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11229
11230         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11231         examined before deleting them.
11232
11233 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11234
11235         * function.c (aggregate_value_p): Correctly extract the function
11236         type from CALL_EXPR_FN lookup.
11237
11238 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11239
11240         * config/picochip/picochip.c (picochip_override_options): Revert
11241         CFI asm flag disable commited previously.
11242
11243 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11244             Tobias Grosser  <tobi.grosser@amd.com>
11245             Jan Sjodin  <jan.sjodin@amd.com>
11246
11247         * graphite.c (scan_tree_for_params): On substractions negate
11248         all the coefficients of the term.
11249         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11250         of more than two operands.
11251         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11252         (get_vdef_before_scop): Handle also the case of default definitions.
11253
11254 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11255
11256         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11257         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11258         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11259
11260 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11261             Joey Ye  <joey.ye@intel.com>
11262
11263         PR middle-end/37843
11264         * cfgexpand.c (expand_stack_alignment): Don't update stack
11265         boundary nor check incoming stack boundary here.
11266         (gimple_expand_cfg): Update stack boundary and check incoming
11267         stack boundary here.
11268
11269 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11270
11271         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11272
11273 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11274
11275         PR rtl-optimization/38245
11276         * calls.c (expand_call): Add stack arguments to
11277         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11278         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11279         in regs and partially in memory or BLKmode arguments.
11280         (emit_library_call_value_1): Add stack arguments to
11281         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11282         ACCUMULATE_OUTGOING_ARGS).
11283         * dce.c: Include tm_p.h.
11284         (find_call_stack_args): New function.
11285         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11286         argument.
11287         (mark_insn): Call find_call_stack_args for CALL_Ps.
11288         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11289         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11290         down to deletable_insn_p, don't mark stores set in arg_stores
11291         bitmap, clear the bitmap at the beginning of each bb.
11292         * Makefile.in (dce.o): Depend on $(TM_P_H).
11293
11294 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11295
11296         PR target/22599
11297         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11298         to make sure the insn is a conditional test (bug 22599).  Reformat a
11299         few long lines.
11300
11301 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11302
11303         PR middle-end/38431
11304         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11305         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11306         (gloog): Do not call cleanup_tree_cfg.
11307         (graphite_transform_loops): Call cleanup_tree_cfg after all
11308         scops have been code generated.
11309
11310 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11311         * doc/gty.texi (Invoking the garbage collector): Added new node
11312         and section documenting ggc_collect.
11313
11314 2009-01-14  Richard Guenther  <rguenther@suse.de>
11315
11316         PR tree-optimization/38826
11317         PR middle-end/38477
11318         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11319         initialization notes only if we actually emitted a warning.
11320         (intra_create_variable_infos): Add constraints for a result decl
11321         that is passed by hidden reference.
11322         (build_pred_graph): Mark all related variables non-direct on
11323         address-taking.
11324
11325 2009-01-14  Nick Clifton  <nickc@redhat.com>
11326
11327         * ira-conflicts.c: Include addresses.h for the definition of
11328         base_reg_class.
11329         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11330         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11331
11332 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11333
11334         PR target/38811
11335         * Makefile.in (ira-lives.o): Add except.h.
11336
11337         * ira-lives.c: Include except.h.
11338         (process_bb_node_lives): Process can_throw_internal.
11339
11340 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11341
11342         PR rtl-optimization/38774
11343         * combine.c (simplify_set): When undoing cc_use change, don't do
11344         PUT_CODE on the newly created comparison, but instead put back the
11345         old comparison.
11346
11347 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11348
11349         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11350         values.  Remove duplicate arm8 entry.
11351
11352 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11353
11354         PR tree-optimization/38786
11355         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11356         the SSA_NAME case of expand_scalar_variables_expr.
11357         Set the type of an expression to the type of its assign statement.
11358         (expand_scalar_variables_expr): Also gather the scalar computation
11359         used to index the memory access.  Do not pass loop_p.
11360         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11361         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11362         the gimple_stmt_iterator where it inserts new code.
11363         Do not pass loop_p.
11364         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11365         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11366
11367 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11368
11369         * graphite.h (debug_value): Removed.
11370         * graphite.c (debug_value): Removed.
11371
11372 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11373
11374         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11375         ldrd/strd with two 32-bit instructions.
11376
11377 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11378
11379         * config/arm/arm.c (struct processors): Pass for speed down into
11380         cost helper functions.
11381         (const_ok_for_op): Handle COMPARE and inequality nodes.
11382         (arm_rtx_costs_1): Rewrite.
11383         (arm_size_rtx_costs): Update prototype.
11384         (arm_rtx_costs): Pass speed down to helper functions.
11385         (arm_slowmul_rtx_costs): Rework cost calculations.
11386         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11387         (arm_9e_rtx_costs): Likewise.
11388
11389 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11390
11391         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11392         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11393         (alpha_legitimize_address): Do not split local symbols wider than
11394         UNITS_PER_WORD into HIGH/LO_SUM parts.
11395
11396 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11397
11398         PR bootstrap/38580
11399         * gcc.c (process_command): Replace call to execvp with calls
11400         to pex_one and exit.
11401
11402 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11403
11404         PR target/29141
11405         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11406         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11407         variant for devices with 3-byte PC.
11408         (__tablejump_elpm__): New.
11409
11410 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11411
11412         PR c/32041
11413         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11414         offsetof member-designator, handle it as `[0].'.
11415
11416 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11417
11418         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11419         function when not using named sections on targets with named sections
11420         if branch distance is less than 262132.
11421
11422 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11423
11424         * combine.c (combine_instructions):  Recompute
11425         optimize_this_for_speed_p  for each BB in the main combine loop.
11426
11427 2009-01-12  Tomas Bily  <tbily@suse.cz>
11428
11429         PR middlend/38385
11430         * tree-loop-distribution.c (prop_phis): New function.
11431         (generate_builtin): Call prop_phis.
11432         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11433
11434 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11435
11436         PR tree-optimization/38807
11437         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11438         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11439
11440 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11441
11442         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11443         subreg of op0 to the original op0.
11444
11445 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11446
11447         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11448
11449 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11450
11451         PR debug/7055
11452         * mips-tfile.c (parse_def): Fix parsing of def strings
11453         starting with digits.
11454
11455 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11456
11457         PR target/38695
11458         * config/arm/arm.c (arm_is_long_call_p): Don't call
11459         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11460
11461 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11462
11463         * regrename.c (regrename_optimize): Fix dumping.
11464         (find_oldest_value_reg): Preserve REG_POINTER.
11465         (copy_hardreg_forward_1): Likewise.
11466
11467 2009-01-09  Diego Novillo  <dnovillo@google.com>
11468
11469         * gimple.h (struct gimple_statement_base) <uid>: Document
11470         the restrictions on its use.
11471         (gimple_uid): Tidy.
11472         (gimple_set_uid): Tidy.
11473
11474 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11475
11476         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11477         zero guard even if align_bytes != 0 and count is smaller than
11478         size_needed.
11479
11480 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11481
11482         PR rtl-optimization/38495
11483         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11484         (add_range_and_copies_from_move_list): Print all added ranges.
11485         Add ranges to memory optimized destination.
11486
11487 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11488
11489         PR target/38686
11490         PR target/38708
11491         * config/i386/i386.c (override_options): Reject
11492         -mstringop-strategy=rep_8byte with -m32.
11493         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11494         to 1.  Do count comparison against epilogue_size_needed at compile
11495         time even when count_exp was constant forced into register.  For
11496         size_needed don't jump to epilogue, instead just avoid aligning
11497         and invoke the body algorithm.  If need_zero_guard, add zero guard
11498         even if count is non-zero, but smaller than size_needed + number of
11499         bytes that could be stored for alignment.
11500         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11501         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11502         but smaller than size_needed + number of bytes that could be stored
11503         for alignment.  Compare size_needed with epilogue_size_needed instead
11504         of desired_align - align, don't adjust size_needed, pass
11505         epilogue_size_needed to the epilogue expanders.
11506
11507         PR c/35742
11508         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11509
11510 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11511
11512         * pa.c (last_address): Change to unsigned.
11513         (update_total_code_bytes): Change argument to unsigned.  Don't
11514         check if insn addresses are set.
11515         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11516         addresses are not set.
11517         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11518
11519 2009-01-09  Nick Clifton  <nickc@redhat.com>
11520
11521         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11522         DECL_DECLARED_INLINE_P.
11523
11524 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11525
11526         PR middle-end/38347
11527         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11528         GET_MODE (op0) in operand_subword_force calls.
11529
11530         PR middle-end/38771
11531         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11532         fold_convert arg0 operands to TREE_TYPE (op0) first.
11533
11534 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11535
11536         * params.def (ira-max-conflict-table-size): Decrease default value
11537         to 1000.
11538
11539 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11540
11541         PR tree-optimization/37031
11542         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11543         on parameter_set.
11544         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11545         allocate it using gc instead of heap, use VEC_quick_push instead of
11546         VEC_safe_push.
11547         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11548         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11549         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11550         allocated vector from heap allocated.
11551         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11552         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11553         vector only after perfect_loop_nest_depth call.
11554
11555 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11556             Jan Sjodin  <jan.sjodin@amd.com>
11557
11558         PR tree-optimization/38559
11559         * graphite.c (debug_value, copy_constraint,
11560         swap_constraint_variables, scale_constraint_variable, ): New.
11561         (get_lower_bound, get_upper_bound): Removed.
11562         (graphite_trans_bb_strip_mine): Clean up this code that works
11563         only for constant number of iterations.  Fully copy upper and
11564         lower bound constraints, not only the constant part of them.
11565         * graphite.h (debug_value): Declared.
11566
11567 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11568
11569         PR tree-optimization/37194
11570         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11571         Don't add the cost of cost model guard in prologue to scalar
11572         outside cost in case of known number of iterations.
11573
11574 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11575             Alan Modra  <amodra@bigpond.net.au>
11576
11577         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11578         non-word-aligned REG+CONST addressing.
11579
11580 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11581
11582         PR target/38706
11583         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11584         free_after_compilation when outputting a thunk.
11585         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11586         Do not call free_after_compilation here.
11587
11588 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11589
11590         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11591         (ix86_valid_target_attribute_inner_p): Ditto.
11592
11593 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11594
11595         PR tree-optimization/38492
11596         PR tree-optimization/38498
11597         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11598         * tree-chrec.h (scev_is_linear_expression): Declared.
11599         * graphite.c (graphite_cannot_represent_loop_niter): New.
11600         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11601         (graphite_loop_normal_form): Use gcc_assert.
11602         (scan_tree_for_params): Use CASE_CONVERT.
11603         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11604         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11605         Use gcc_assert.  Discard scops that contain unhandled cases.
11606         (build_scop_conditions): Return a boolean status for unhandled cases.
11607         (strip_mine_profitable_p): Print the loop number, not its depth.
11608         (is_interchange_valid): Pass the depth of the loop nest, don't
11609         recompute it wrongly.
11610         (graphite_trans_bb_block): Same.
11611         (graphite_trans_bb_block): Print tentative of loop blocking.
11612         (graphite_trans_scop_block): Do not print that the loop has been
11613         blocked.
11614         (graphite_transform_loops): Do not handle scops that contain condition
11615         scalar phi nodes.
11616
11617 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11618
11619         AVX Programming Reference (December, 2008)
11620         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11621         (_mm256_stream_pd): Likewise.
11622         (_mm256_stream_ps): Likewise.
11623
11624         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11625         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11626         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11627         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11628         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11629         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11630         (ix86_expand_special_args_builtin): Likewise.
11631
11632         * config/i386/sse.md (AVXMODEDI): New.
11633         (avx_movnt<mode>): Likewise.
11634         (avx_movnt<mode>): Likewise.
11635         (<sse>_movnt<mode>): Remove AVX support.
11636         (sse2_movntv2di): Likewise.
11637
11638 2009-01-07  Richard Guenther  <rguenther@suse.de>
11639
11640         PR middle-end/38751
11641         * fold-const.c (extract_muldiv): Remove obsolete comment.
11642         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11643         to PLUS_EXPR canonicalization for the canonicalization.
11644
11645 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11646
11647         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11648         hosted cross-compilers generating less efficient code.
11649
11650 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11651
11652         * function.h (rtl_data): Add a dbr_scheduled_p field.
11653         * reorg.c (dbr_schedule): Set it.
11654         (gate_handle_delay_slots): Check it.
11655         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11656         (mips_reorg): Check flag_delayed_branch instead of
11657         mips_base_delayed_branch.
11658         (mips_override_options): Don't set mips_base_delayed_branch
11659         or flag_delayed_branch.
11660
11661 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11662
11663         PR rtl-optimization/38426.
11664         * ira.c (ira): Set current_function_is_leaf earlier.
11665
11666 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11667
11668         PR rtl-optimization/38722
11669         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11670         too early, only set a flag and modify after last possible
11671         undo_all point.
11672
11673 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11674
11675         PR c/34252
11676         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11677         * real.c (decimal_single_format): Correct values of emin and emax.
11678         (decimal_double_format): Ditto.
11679         (decimal_quad_format): Ditto.
11680         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11681         computation of DECnn_MIN and DECnn_MAX for corrected values of
11682         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11683         __DECnn_MIN__, and adjust its computation for the corrected value
11684         of emin.
11685
11686 2009-01-06  Jan Hubicka  <jh@suse.cz>
11687
11688         PR target/38744
11689         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11690
11691 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11692
11693         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11694         Add Robert Clark to the list of testers.
11695
11696 2009-01-06  Jan Hubicka  <jh@suse.cz>
11697             Kai Tietz  <kai.tietz@onevision.com>
11698
11699         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11700         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11701
11702 2009-01-06  Jan Hubicka  <jh@suse.cz>
11703             Kai Tietz  <kai.tietz@onevision.com>
11704
11705         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11706         for w64 ABI.
11707         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11708         (ix86_nsaved_regs): Count only general purpose regs.
11709         (ix86_nsaved_sseregs): New.
11710         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11711         to 16 for w64; compute padding and size of sse reg save area.
11712         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11713         general purpose regs.
11714         (ix86_emit_save_sse_regs_using_mov): New.
11715         (ix86_expand_prologue): Save SSE regs if needed.
11716         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11717         (ix86_emit_restore_sse_regs_using_mov): New.
11718         (ix86_expand_epilogue): Save SSE regs if needed.
11719
11720 2009-01-06  Jan Hubicka  <jh@suse.cz>
11721             Kai Tietz  <kai.tietz@onevision.com>
11722
11723         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11724         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11725         functions when accumulate outgoing args is off.
11726
11727 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11728
11729         PR bootstrap/38742
11730         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11731         before using pseudos_have_intersected_live_ranges_p.
11732
11733         * ira-int.h (ira_assert): Always define.
11734
11735 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11736
11737         AVX Programming Reference (December, 2008)
11738         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11739         (_mm256_permute2_pd): Likewise.
11740         (_mm_permute2_ps): Likewise.
11741         (_mm256_permute2_ps): Likewise.
11742         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11743         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11744
11745         * config/i386/i386.c (ix86_builtins): Remove
11746         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11747         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11748         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11749         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11750         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11751         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11752         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11753         __builtin_ia32_vpermil2ps256.
11754         (ix86_init_mmx_sse_builtins): Updated.
11755         (ix86_expand_args_builtin): Likewise.
11756
11757 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11758
11759         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11760         long absolute calls when generating PA 2.0 code.
11761
11762 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11763
11764         PR rtl-optimization/38583
11765         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11766
11767         * params.def (ira-max-conflict-table-size): New.
11768
11769         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11770
11771         * ira.h (ira_conflicts_p): New external definition.
11772
11773         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11774         table.  Report this.  Return result of building.
11775         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11776         building conflict table.
11777
11778         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11779         (ira_color): Use ira_conflicts_p.
11780
11781         * global.c: Include ira.h.
11782         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11783         ira_conflicts_p.
11784
11785         * Makefile.in (global.o): Add ira.h.
11786
11787         * ira-build.c (mark_all_loops_for_removal,
11788         propagate_some_info_from_allocno): New.
11789         (remove_unnecessary_allocnos): Call
11790         propagate_some_info_from_allocno.
11791         (remove_low_level_allocnos): New.
11792         (remove_unnecessary_regions): Add parameter.  Call
11793         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11794         parameter to remove_unnecessary_regions.
11795         (ira_build): Remove all regions but root if the conflict table was
11796         not built.  Update conflict hard regs for allocnos crossing calls.
11797
11798         * ira.c (ira_conflicts_p): New global.
11799         (ira): Define and use ira_conflicts_p.
11800
11801         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11802         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11803         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11804
11805 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11806
11807         * gengtype-lex.l (YY_NO_INPUT): Define.
11808
11809 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11810
11811         PR c/34911
11812         * c-common.c (handle_vector_size_attribute): Also reject
11813         BOOLEAN_TYPE types.
11814
11815 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11816
11817         PR tree-optimization/38492
11818         * graphite.c (rename_map_elt, debug_rename_elt,
11819         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11820         rename_map_elt_info, eq_rename_map_elts,
11821         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11822         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11823         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11824         (sese_build_livein_liveouts): New.
11825         (new_sese, free_sese): New.
11826         (new_scop): Call new_sese.
11827         (free_scop): Call free_sese.
11828         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11829         (register_old_new_names): Renamed register_old_and_new_names.
11830         (register_scop_liveout_renames, add_loop_exit_phis,
11831         insert_loop_close_phis, struct igp,
11832         default_liveout_before_guard, add_guard_exit_phis,
11833         insert_guard_phis, copy_renames): New.
11834         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11835         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11836         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11837         (scop_adjust_phis_for_liveouts): New.
11838         (gloog): Call scop_adjust_phis_for_liveouts.
11839
11840         * graphite.h (struct sese): Documented.  Added fields liveout,
11841         num_ver and livein.
11842         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11843         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11844         (struct scop): Added field liveout_renames.
11845         (SCOP_LIVEOUT_RENAMES): New.
11846
11847 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11848
11849         PR tree-optimization/38510
11850         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11851         (translate_clast): Call recompute_all_dominators before
11852         graphite_verify.
11853         (gloog): Call recompute_all_dominators before graphite_verify.
11854
11855 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11856             Jan Sjodin  <jan.sjodin@amd.com>
11857
11858         PR tree-optimization/38500
11859         * graphite.c (create_sese_edges): Call fix_loop_structure after
11860         splitting blocks.
11861
11862 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11863
11864         * config.gcc: Add m32r*-*-rtems*.
11865         * config/m32r/rtems.h: New file.
11866
11867 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11868
11869         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11870         (.po.pox): Likewise.
11871         (po/gcc.pot): Likewise.
11872
11873 2009-01-04  David S. Miller  <davem@davemloft.net>
11874
11875         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11876         (STARTING_FRAME_OFFSET): Always set to zero.
11877
11878 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11879
11880         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11881         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11882         fixed-point types, and vectors of the same.
11883
11884 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11885
11886         * config/mips/sync.md (*mb_barrier): Rename to...
11887         (*memory_barrier): ...this.
11888
11889 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11890
11891         * doc/extend.texi (Function Attributes): Move @cindex after @item
11892         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11893         and put in alphabetical order. Fix 'target' name and put in order.
11894         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11895         typos.
11896
11897 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11898
11899         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11900         (memory_barrier): Expand as unspec instead of unspec_volatile.
11901         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11902         (*memory_barrier): Define as unspec instead of unspec_volatile.
11903         Use (match_dup 0) as input operand.
11904
11905         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11906         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11907         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11908         scratch register.  Remove operand 1.
11909         (*stbar): Define as unspec instead of unspec_volatile.
11910         Use (match_dup 0) as input operand, remove (const_int 8).
11911         (*membar): Define as unspec instead of unspec_volatile.
11912         Use (match_dup 0) as input operand, remove input operand 2.
11913
11914         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11915         (memory_barrier): Expand as unspec instead of unspec_volatile.
11916         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11917         (*memory_barrier): Define as unspec instead of unspec_volatile.
11918         Use (match_dup 0) as input operand.
11919
11920         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11921         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11922         Set volatile flag on operand 0.
11923         (*memory_barrier): New insn pattern.
11924
11925         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11926         insn operands.
11927         (*memory_barrier): Use (match_dup 0) as input operand.
11928
11929         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11930         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11931         Set volatile flag on operand 0.
11932         (*mb_internal): New insn pattern.
11933
11934         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11935
11936 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11937
11938         PR middle-end/38586
11939         * function.c (struct temp_slot): Move to the section of the file
11940         that deals with temp slots.  Remove field 'address'.
11941         (temp_slot_address_table): New hash table of address -> temp slot.
11942         (struct temp_slot_address_entry): New struct, items for the table.
11943         (temp_slot_address_compute_hash, temp_slot_address_hash,
11944         temp_slot_address_eq, insert_temp_slot_address): Support functions
11945         for the new table.
11946         (find_temp_slot_from_address): Rewrite to use the new hash table.
11947         (remove_unused_temp_slot_addresses): Remove addresses of temp
11948         slots that have been made available.
11949         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11950         worker function for remove_unused_temp_slot_addresses.
11951         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11952         Add the temp slot address to the address -> temp slot map.
11953         (update_temp_slot_address): Update via insert_temp_slot_address.
11954         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11955         (pop_temp_slots): Likewise.
11956         (init_temp_slots): Allocate the address -> temp slot map, or empty
11957         the map if it is already allocated.
11958         (prepare_function_start): Initialize temp slot processing.
11959
11960 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11961
11962         PR middle-end/38584
11963         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11964         Calculate the size of all stack vars assuming no packing of stack
11965         vars will happen, replacing a quadratic algorithm with a linear one.
11966
11967 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11968
11969         PR target/38707
11970         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11971         can't be used.
11972
11973 2009-01-03  Diego Novillo  <dnovillo@google.com>
11974
11975         * doc/contrib.texi: Update contributions.
11976
11977 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11978
11979         PR c++/38705
11980         * builtins.c (fold_builtin_memory_op): Give up if either operand
11981         is volatile.  Set srctype or desttype to non-qualified version
11982         of the other type.
11983
11984         PR c/38700
11985         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11986         and FUNCTION_DECLs.
11987
11988 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11989
11990         PR rtl-optimization/35805
11991         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11992         problem if fast dce is able to remove any instructions.
11993         * dce.c (dce_process_block): Fix dump message.
11994
11995 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11996
11997         PR 33649
11998         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11999
12000 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12001
12002         PR middle-end/38690
12003         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12004         * tree-pretty-print.c (op_code_prio): New function.
12005         (op_prio): No longer static.  Use op_code_prio.
12006         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12007         Use op_prio and op_code_prio to determine if () should be
12008         printed around operand(s) or not.
12009
12010         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12011         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12012         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12013         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12014         pp_character instead of pp_string for single letter printing.
12015
12016 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12017
12018         * doc/extend.texi: Fix '#pragma GCC option' typo.
12019
12020 2009-01-02  Richard Guenther  <rguenther@suse.de>
12021
12022         * doc/install.texi (--enable-checking): Mention different
12023         default for stage1.
12024         (--enable-stage1-checking): Document.
12025
12026 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12027
12028         PR middle-end/30142
12029         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12030         case to be an error.
12031
12032 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12033
12034         * config/fp-bit.h (pack_d): Constify argument.
12035         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12036         (isnan): Constify argument.
12037         (isinf): Likewise.
12038         (iszero): Likewise.
12039         (pack_d): Likewise.
12040         (_fpadd_parts): Constify return type.
12041         (_fpmul_parts): Likewise.
12042         (_fpdiv_parts): Likewise.
12043
12044 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12045
12046         PR c/36489
12047         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12048         warn about overwriting initializer with side-effects or
12049         -Woverride-init if !IMPLICIT.
12050         (output_init_element): Likewise.  Pass IMPLICIT down to
12051         add_pending_init.
12052         (process_init_element): Add IMPLICIT argument.  Pass it down
12053         to output_init_element.
12054         (push_init_element, pop_init_level, set_designator): Adjust
12055         process_init_element callers.
12056         (set_nonincremental_init, set_nonincremental_init_from_string):
12057         Adjust add_pending_init callers.
12058         (output_pending_init_elements): Adjust output_init_element callers.
12059         * c-tree.h (process_init_element): Adjust prototype.
12060         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12061         process_init_element callers.
12062
12063 \f
12064 Copyright (C) 2009 Free Software Foundation, Inc.
12065
12066 Copying and distribution of this file, with or without modification,
12067 are permitted in any medium without royalty provided the copyright
12068 notice and this notice are preserved.