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* gcc.target/i386/align-main-1.c (check): Mark noinline.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
2
3         * real.c (encode_ieee_half): Define.
4         (decode_ieee_half): Define.
5         (ieee_half_format): Define.
6         (arm_half_format): Define.
7         * real.h (ieee_half_format): Declare.
8         (arm_half_format): Declare.
9
10 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
11
12         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
13         swapped, and reversed optabs exist before trying to use them.
14
15 2009-05-15  Paul Brook  <paul@codesourcery.com>
16             Sandra Loosemore  <sandra@codesourcery.com>
17
18         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
19         loads.  Allow PRE_DEC.
20         (output_move_neon): Handle PRE_DEC.
21         (arm_print_operand): Add 'A' for neon structure loads.
22         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
23         * config/arm/neon.md (neon_mov): Update comment.
24         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
25         calls.
26         (Um): New constraint.
27
28 2009-05-15  Jan Hubicka  <jh@suse.cz>
29
30         Revert the following patch until testsuite fallout is fixed:
31         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
32         * cgraph.h (struct inline_summary): New filed self_wize,
33         size_inlining_benefit, self_time and time_inlining_benefit.
34         (struct cgraph_global_info): Replace insns by time ans size fields.
35         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
36         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
37         (ipcp_update_callgraph): Do not touch function bodies.
38         * ipa-inline.c: Include except.h
39         MAX_TIME: New constant.
40         (overall_insns): Remove
41         (overall_size, max_benefit): New static variables.
42         (cgraph_estimate_time_after_inlining): New function.
43         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
44         (cgraph_clone_inlined_nodes): Update size.
45         (cgraph_mark_inline_edge): Update size.
46         (cgraph_estimate_growth): Use size info.
47         (cgraph_check_inline_limits): Check size.
48         (cgraph_default_inline_p): Likewise.
49         (cgraph_edge_badness): Compute badness based on benefit and size cost.
50         (cgraph_decide_recursive_inlining): Check size.
51         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
52         (cgraph_decide_inlining): Likewise.
53         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
54         (likely_eliminated_by_inlining_p): New predicate.
55         (estimate_function_body_sizes): New function.
56         (compute_inline_parameters): Use it.
57         * except.c (must_not_throw_labels): New function.
58         * except.h (must_not_throw_labels): Declare.
59         * tree-inline.c (init_inline_once): Kill inlining_weigths
60         * tree-ssa-structalias.c: Avoid uninitialized warning.
61         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
62         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
63         (PARAM_INLINE_CALL_COST): Remove.
64         (PARAM_EARLY_INLINING_INSNS): New.
65
66 2009-05-15  Richard Guenther  <rguenther@suse.de>
67
68         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
69         not TODO_update_ssa.
70
71 2009-05-15  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/39999
74         * gimple.h (gimple_expr_type): Use the expression type looking
75         through useless conversions.
76         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
77         (vn_nary_op_insert_stmt): Likewise.
78         (simplify_binary_expression): Likewise.
79
80 2009-05-15  Richard Guenther  <rguenther@suse.de>
81
82         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
83         New options, enabled by default.
84         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
85         Document.
86         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
87         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
88         * tree-ssa-structalias.c (gate_tree_pta): New function.
89         (pass_build_alias): Use it.
90
91 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
92
93         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
94         recurse on an invariant address if a conversion from a pointer
95         type to a wider integer type is involved.
96
97 2009-05-15  Jan Hubicka  <jh@suse.cz>
98
99         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
100         * cgraph.h (struct inline_summary): New filed self_wize,
101         size_inlining_benefit, self_time and time_inlining_benefit.
102         (struct cgraph_global_info): Replace insns by time ans size fields.
103         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
104         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
105         (ipcp_update_callgraph): Do not touch function bodies.
106         * ipa-inline.c: Include except.h
107         MAX_TIME: New constant.
108         (overall_insns): Remove
109         (overall_size, max_benefit): New static variables.
110         (cgraph_estimate_time_after_inlining): New function.
111         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
112         (cgraph_clone_inlined_nodes): Update size.
113         (cgraph_mark_inline_edge): Update size.
114         (cgraph_estimate_growth): Use size info.
115         (cgraph_check_inline_limits): Check size.
116         (cgraph_default_inline_p): Likewise.
117         (cgraph_edge_badness): Compute badness based on benefit and size cost.
118         (cgraph_decide_recursive_inlining): Check size.
119         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
120         (cgraph_decide_inlining): Likewise.
121         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
122         (likely_eliminated_by_inlining_p): New predicate.
123         (estimate_function_body_sizes): New function.
124         (compute_inline_parameters): Use it.
125         * except.c (must_not_throw_labels): New function.
126         * except.h (must_not_throw_labels): Declare.
127         * tree-inline.c (init_inline_once): Kill inlining_weigths
128         * tree-ssa-structalias.c: Avoid uninitialized warning.
129         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
130         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
131         (PARAM_INLINE_CALL_COST): Remove.
132         (PARAM_EARLY_INLINING_INSNS): New.
133         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
134         (inline-call-cost): Remove.
135         (early-inlining-insns): New.
136
137 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
138
139         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
140         for bounds.
141         (print_int_cst_bounds_in_octal_p): Likewise.
142         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
143         with subtypes.
144         * dwarf2out.c (base_type_die): Likewise.
145         (is_subrange_type): Delete.
146         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
147         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
148         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
149         the destination type is boolean.
150         (build_range_check): Do not special-case subtypes.
151         (fold_sign_changed_comparison): Likewise.
152         (fold_unary): Likewise.
153         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
154         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
155         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
156         * tree.c (subrange_type_for_debug_p): New predicate based on the former
157         is_subrange_type.
158         * tree.h (subrange_type_for_debug_p): Declare.
159         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
160         (convert_affine_scev): Remove call to above function.
161         (chrec_convert_aggressive): Likewise.
162         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
163         false for conversions involving subtypes.
164         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
165         (vrp_val_min): Likewise.
166         (needs_overflow_infinity): Likewise.
167         (extract_range_from_unary_expr): Likewise.
168
169 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
170
171         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
172         * config/frv/frv.c: Likewise.
173         * config/s390/s390.c: Likewise.
174         * config/sparc/sparc.h: Likewise.
175         * config/i386/i386.h: Likewise.
176         * config/i386/i386.c: Likewise.
177         * config/crx/crx.c: Likewise.
178         * config/m68hc11/m68hc11.h: Likewise.
179         * config/iq2000/iq2000.c: Likewise.
180         * config/mn10300/mn10300.h: Likewise.
181         * config/mn10300/mn10300.c: Likewise.
182         * config/m68k/m68k.c: Likewise.
183         * config/rs6000/rs6000.c: Likewise.
184         * config/rs6000/xcoff.h: Likewise.
185         * config/rs6000/linux64.h: Likewise.
186         * config/rs6000/sysv4.h: Likewise.
187         * config/score/score3.c: Likewise.
188         * config/score/score7.c: Likewise.
189         * config/score/score.c: Likewise.
190         * config/arm/arm.md: Likewise.
191         * config/mips/mips.c: Likewise.
192         * config/mips/mips.md: Likewise.
193         * config/bfin/bfin.h: Likewise.
194         * config/pa/pa.c: Likewise.
195         * config/pa/constraints.md: Likewise.
196
197         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
198         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
199         * config/pdp11/pdp11.h: Use memory_address_p instead.
200
201 2009-05-14  Ian Lance Taylor  <iant@google.com>
202
203         * passes.c (finish_optimization_passes): Change i to int.
204         * plugin.c (plugins_active_p): Change event to int.
205         (dump_active_plugins): Likewise.
206         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
207         Add cast.
208         * tree.c (tree_range_check_failed): Change c to unsigned int.
209         (omp_clause_range_check_failed): Likewise.
210         (build_common_builtin_nodes): Change mode to int.  Add cast.
211         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
212         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
213
214         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
215         ++ or -- with a variable of enum type.
216
217 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
218
219         PR driver/40144
220         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
221
222 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
223
224         * store-motion.c: Do not include params.h
225         * Makefile.in: Fix dependencies for various files.
226
227 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
228
229         * auto-inc-dec.c: Fix pass description, remove apparent
230         accidental duplication.
231
232 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
233
234         PR middle-end/40147
235         * ipa-utils.h (memory_identifier_string): Moved to ...
236         * tree.h (memory_identifier_string): Here.  Add GTY(()).
237
238 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
239
240         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
241         in the former documentation of...
242         (GO_IF_LEGITIMATE_ADDRESS): ... this.
243         * ira-conflicts.c (get_dup_num): Use address_operand.
244         * targhooks.c (default_legitimate_address_p): New.
245         * targhooks.h (default_legitimate_address_p): New.
246         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
247         Call hook.
248         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
249         * target.h (struct target): Add legitimate_address_p.
250         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
251         (TARGET_INITIALIZER): Include it.
252
253         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
254         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
255         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
256         (TARGET_LEGITIMATE_ADDRESS_P): New.
257
258         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
259         (REG_OK_STRICT_P): Delete.
260         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
261         (frv_legitimate_address_p_1): ... this.
262         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
263         (frv_legitimate_address_p_1): ... the renamed old
264         frv_legitimate_address_p.
265         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
266         (TARGET_LEGITIMATE_ADDRESS_P): New.
267
268         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
269         * config/s390/s390-protos.h (legitimate_address_p): Remove.
270         * config/s390/s390.c (legitimate_address_p): Rename to...
271         (s390_legitimate_address_p): ... this, make static.
272         (legitimize_address): Adjust call.
273         (TARGET_LEGITIMATE_ADDRESS_P): New.
274         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
275
276         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
277         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
278         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
279         (TARGET_LEGITIMATE_ADDRESS_P): New.
280
281         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
282         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
283         * config/spu/spu.c (spu_legitimate_address): Rename to...
284         (spu_legitimate_address_p): ... this, make static.
285         (TARGET_LEGITIMATE_ADDRESS_P): New.
286
287         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
288         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
289         * config/sparc/sparc.c (legitimate_address_p): Rename to...
290         (sparc_legitimate_address_p): ... this, make static and return bool.
291         (legitimize_address): Adjust call.
292         (TARGET_LEGITIMATE_ADDRESS_P): New.
293
294         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
295         * config/i386/i386-protos.h (legitimate_address_p): Remove.
296         * config/i386/i386.c (legitimate_address_p): Rename to...
297         (ix86_legitimate_address_p): ... this, make static.
298         (constant_address_p): Move after it, adjust call.
299         (TARGET_LEGITIMATE_ADDRESS_P): New.
300
301         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
302         * config/avr/avr-protos.h (legitimate_address_p): Remove.
303         * config/avr/avr.c (legitimate_address_p): Rename to...
304         (avr_legitimate_address_p): ... this, make static.
305         (legitimize_address): Adjust call.
306         (TARGET_LEGITIMATE_ADDRESS_P): New.
307
308         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
309         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
310         * config/crx/crx.c (crx_legitimate_address_p): Make static.
311         (TARGET_LEGITIMATE_ADDRESS_P): New.
312
313         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
314         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
315         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
316         (TARGET_LEGITIMATE_ADDRESS_P): New.
317
318         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
319         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
320         Remove.
321         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
322         Make static.
323         (TARGET_LEGITIMATE_ADDRESS_P): New.
324
325         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
326         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
327         Remove.
328         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
329         Rename to...
330         (m68hc11_legitimate_address_p): ... this, make static.
331         (go_if_legitimate_address_internal): Rename to...
332         (m68hc11_legitimate_address_p_1): ... this.
333         (legitimize_address): Adjust call.
334         (TARGET_LEGITIMATE_ADDRESS_P): New.
335
336         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
337         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
338         Remove.
339         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
340         Make static.
341         (TARGET_LEGITIMATE_ADDRESS_P): New.
342
343         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
344         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
345         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
346         (mn10300_legitimate_address_p): ... this, make static.
347         (TARGET_LEGITIMATE_ADDRESS_P): New.
348
349         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
350         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
351         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
352         (TARGET_LEGITIMATE_ADDRESS_P): New.
353
354         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
355         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
356         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
357         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
358         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
359         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
360         (rs6000_legitimate_address_p): ... this, make static.
361         (TARGET_LEGITIMATE_ADDRESS_P): New.
362         (REG_MODE_OK_FOR_BASE_P): Delete.
363         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
364
365         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
366         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
367         Delete.
368         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
369         static, adjust types.
370         (TARGET_LEGITIMATE_ADDRESS_P): New.
371
372         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
373         * config/score/score.c (score_address_p): Rename to...
374         (score_legitimate_address_p): ... this.
375         (TARGET_LEGITIMATE_ADDRESS_P): New.
376         * config/score/score3.c (score3_address_p): Rename to...
377         (score3_legitimate_address_p): ... this.
378         * config/score/score7.c (score7_address_p): Rename to...
379         (score7_legitimate_address_p): ... this.
380
381         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
382         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
383         GO_IF_LEGITIMATE_ADDRESS): Delete.
384         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
385         thumb2_legitimate_address_p): Delete.
386         (arm_legitimate_address_p): Rename to...
387         (arm_legitimate_address_outer_p): ... this.
388         * config/arm/constraints.md ("Uq"): Adjust call.
389         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
390         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
391         (arm_legitimate_address_outer_p): ... this.
392         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
393         (TARGET_LEGITIMATE_ADDRESS_P): New.
394
395         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
396         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
397         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
398         (TARGET_LEGITIMATE_ADDRESS_P): New.
399
400         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
401         * config/vax/vax-protos.h (legitimate_address_p): Remove.
402         * config/vax/vax.c (legitimate_address_p): Rename to...
403         (vax_legitimate_address_p): ... this, make static.
404         (TARGET_LEGITIMATE_ADDRESS_P): New.
405
406         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
407         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
408         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
409         (TARGET_LEGITIMATE_ADDRESS_P): New.
410
411         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
412         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
413         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
414         (mmix_legitimate_address_p): ... this, make static.
415         (TARGET_LEGITIMATE_ADDRESS_P): New.
416
417         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
418         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
419         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
420         (TARGET_LEGITIMATE_ADDRESS_P): New.
421
422 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
423
424         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
425         of MODE_COMPLEX_INT.
426
427 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
428
429         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
430         LCT_NORMAL in function call.
431         * mips-tdump.c (print_file_desc): Add cast to enum type.
432         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
433         (mark_stabs): Add casts to enum types.
434         (parse_stabs_common): Add casts to enum types.
435
436 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
437
438         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
439         Check for invalid values of LETTER.
440
441 2009-05-13  Taras Glek  <tglek@mozilla.com>
442
443         * attribs.c (register_attribute): moved out attribute registration into
444         register_attribute.
445         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
446         * gcc-plugin.h: Added forward decl for register_attribute.
447         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
448         * plugin.c (register_callback, invoke_plugin_callbacks): Added
449         PLUGIN_ATTRIBUTES boilerplate.
450
451 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
452
453         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
454         values even in sentinel and empty entries.
455         (ms_printf_flag_specs):  Likewise.
456         (ms_scanf_flag_specs):  Likewise.
457         (ms_strftime_flag_specs):  Likewise.
458         (ms_print_char_table):  Likewise.
459         (ms_scan_char_table):  Likewise.
460         (ms_time_char_table):  Likewise.
461
462 2009-05-13  Doug Kwan  <dougkwan@google.com>
463
464         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
465
466 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
467
468         * config/mips/mips.md (store): Add attributes for QI and HI.
469         Update comment.
470         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
471         (truncdi<mode>2): ... this new pattern.
472
473 2009-05-13  Brad Hards  <bradh@kde.org>
474
475         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
476
477 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
478             Ben Elliston <bje@au.ibm.com>
479
480         PR middle-end/40035
481         * dse.c (check_mem_read_rtx): Guard against width == -1.
482
483 2009-05-13  Michael Matz  <matz@suse.de>
484
485         PR middle-end/39976
486         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
487         (trivially_conflicts_p): New function.
488         (insert_backedge_copies): Use it.
489
490 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
491
492         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
493         (handle_stdc_pragma): Use new enum constant names.
494         (handle_pragma_float_const_decimal64): Ditto.
495
496 2009-05-13  Ian Lance Taylor  <iant@google.com>
497
498         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
499         tree.def.
500
501 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
502
503         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
504         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
505         multilibs.
506         * config/m68k/m68k.h (FL_UCLINUX): Define.
507
508 2009-05-13  Jan Hubicka  <jh@suse.cz>
509
510         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
511
512 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
513
514         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
515         unless -fschedule-insns is specified.
516
517 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
518
519         PR target/39561
520         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
521         TARGET_EXPAND_CBRANCHDI4.
522         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
523         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
524         (cmpeqdi): Fix comment.
525
526 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
527
528         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
529         (sh_legitimate_address_p): Likewise.
530         * config/sh/sh.c (sh_legitimate_index_p): New.
531         (sh_legitimate_address_p): Likewise.
532         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
533         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
534         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
535         (MAYBE_BASE_REGISTER_RTX_P): New macro.
536         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
537         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
538         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
539         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
540         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
541
542 2009-05-12  Jan Hubicka  <jh@suse.cz>
543
544         * tree-inline.c (estimate_operator_cost): Add operands;
545         when division happens by constant, it is cheap.
546         (estimate_num_insns): Loads and stores are not having cost of 0;
547         EH magic stuff is cheap; when computing runtime cost of switch,
548         use log2 base of amount of its cases; builtin_expect has cost of 0;
549         compute cost for moving return value of call.
550         (init_inline_once): Initialize time_based flags.
551         * tree-inline.h (eni_weights_d): Add time_based flag.
552
553 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
554
555         * df-core.c: Update head documentation.
556
557 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
558
559         PR bootstrap/40118
560         * rs6000.c (rs6000_generate_compare): Use op1b instead of
561         shadowing exisiting variable op1.
562
563 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
564
565         PR target/37179
566         * config/i386/driver-i386.c (processor_signatures): New enum.
567         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
568         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
569         processor signature to detect geode processor.
570
571 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
572
573         Revert:
574
575         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
576
577         * optabs.c (prepare_cmp_insn): Temporarily disable test that
578         causes spurious differences between trunk and cond-optab branch.
579
580 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
581
582         * dojump.c (compare_from_rtx): Delete.
583         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
584         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
585         if the comparison does not satisfy the predicate; test predicates for
586         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
587         further if one existing pattern fails.
588         * expr.h (compare_from_rtx): Delete.
589         (prepare_operand): Declare it.
590         * optabs.c: Change "lib call" to "libcall" throughout.
591         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
592         HAVE_conditional_trap, emit_cmp_insn): Delete.
593         (can_compare_p): Delete cmp_optab case.
594         (prepare_float_lib_cmp): Return an rtx and a machine mode.
595         Accept other parameters by value.
596         (prepare_operand): Make non-static.
597         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
598         other parameters by value.  Try to widen operands here based on
599         an optab_methods argument and looking at cbranch_optab.
600         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
601         loop.  Use cbranch_optab directly.
602         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
603         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
604         assertion.
605         (emit_conditional_move, emit_conditional_add): Inline what's needed
606         of compare_from_rtx, using new prepare_cmp_insn for the rest.
607         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
608         with COMPARE.  Move cmov_optab and cstore_optab above
609         with cbranch_optab, move cmp_optab down with ucmp_optab,
610         remove tst_otpab.  Do not initialize trap_rtx.
611         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
612         for trap code.  Do not check HAVE_conditional_trap.  Use
613         prepare_cmp_insn.  Accept no predicate for operand 3.
614         * optabs.h (OTI_cmp): Mark as used only for libcalls.
615         (OTI_ctrap, ctrap_optab): New.
616         (tst_optab): Delete.
617         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
618         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
619         with lookup of ctrap_optab.
620         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
621         setcc_gen_code): Delete.
622         (ctrap_optab): New.
623
624         * combine.c (combine_simplify_rtx, simplify_set): Do not
625         special case comparing against zero for cc0 machines.
626         * simplify-rtx.c (simplify_binary_operation_1): Never remove
627         COMPARE on cc0 machines.
628         (simplify_relational_operation): Return a new expression when
629         a COMPARE could be removed.
630         * final.c (final_scan_insn): Compare cc_status values
631         against LHS of a (compare FOO (const_int 0)) cc0 source.
632         Also check if cc_status.value is the full compare.
633
634         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
635         (cstoreMM4): Document.
636         (conditional_trap): Document ctrapMM4 instead.
637         (sync_compare_and_swapMM): Refer to cbranchcc4.
638         (Dependent Patterns): Eliminate obsolete information referring to
639         the old jump optimization phase.
640         (Canonicalization): Include cbranchcc4 case, omit canonicalization
641         of compares with 0 on cc0 machines.
642         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
643         avoiding references to cc0.  Remove text about storing operands
644         in cmpMM.
645         * doc/tm.texi (Condition Codes): Include blurb on different
646         condition code representations, separate into subsections for
647         CC0, MODE_CC and conditional execution.
648
649         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
650         alpha_emit_setcc): Accept operands and a machine mode.
651         * config/alpha/alpha.c (alpha_emit_conditional_branch):
652         Get code/op0/op1 from operands, use machine mode argument
653         instead of alpha_compare.fp_p.  Emit the branch here.
654         (alpha_emit_setcc): Likewise, and return boolean.
655         (alpha_emit_conditional_move): Likewise.  Assert that
656         cmp_op_mode == cmp_mode, and simplify accordingly.
657         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
658         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
659         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
660         Delete.
661         (stack probe test): Use cbranchdi4.
662         * config/alpha/predicates.md (alpha_cbranch_operator): New.
663
664         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
665         * config/arc/arc.h (movsicc, movsfcc): Use it.
666         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
667         (cbranchsi4, cstoresi4): New.
668         (cmpsi, bCC and sCC expanders): Remove. 
669
670         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
671         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
672         * config/arm/predicates.md (arm_comparison_operator): Only include
673         floating-point operators if there is a hardware floating-point unit.
674         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
675         deferring to cbranch_cc and cstore_cc respectively.
676         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
677         cbranch_cc, cstore_cc): New.
678         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
679         arm_compare_op1.
680         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
681
682         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
683         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
684         as an argument.
685         (adjust_insn_length): Adjust calls.
686         (avr_reorg): Handle (compare (foo) (const_int 0)).
687         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
688         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
689         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
690         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
691         (bCC): Remove.
692         (cbranchqi4, cbranchhi4, cbranchsi4): New.
693         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
694
695         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
696         (cbranchsi4, cstorebi4, cstoresi4): New.
697         (movbisi): This insn is duplicate, split it to zero_extend.
698         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
699         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
700         (bfin_optimize_loop): Use cbranch expander.
701         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
702         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
703         (bfin_bimode_comparison_operator): ... this.
704         (bfin_direct_comparison_operator): New.
705  
706         * config/cris/cris.c (cris_normal_notice_update_cc): Look
707         inside (compare FOO (const_int 0)).
708         (cris_rtx_costs): Handle ZERO_EXTRACT.
709         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
710         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
711         (*tstdi_v32): Delete.
712         (*cmpdi_non_v32): Add M alternative for operand 1.
713         (cmpsi, cmp<mode>): Make private.
714         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
715         with COMPARE.
716         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
717
718         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
719         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
720         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
721         (cc_reg_operand): New.
722         (any_cond): Delete.
723         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
724         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
725         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
726         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
727         crx_expand_scond): Delete.
728
729         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
730         (cbranchsi4): New.
731         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
732         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
733
734         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
735         cstoresi4, cstoresf4, cstoredf4): New.
736         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
737         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
738         Receive the entire operands array.
739         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
740         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
741         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
742         Get test/op0/op1 from the operands array.
743         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
744
745         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
746         (h8300_expand_store): New.
747         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
748         (const_int 0)).
749         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
750         (h8300_expand_store): New.
751         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
752         or do not try to produce (set (cc0) REG).
753         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
754         change a compare into a move to a scratch register.  Disable some
755         peepholes when comparing with zero.
756         (tstsi, tsthi, tstsi, cmpqi): Make private.
757         (cmphi): Delete.
758         (bCC, sCC): Delete.
759         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
760         cstoresi4): New.
761
762         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
763         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
764         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
765         (ix86_emit_i387_log1p): Use cbranchxf2.
766         (ix86_expand_setcc): Return void.
767         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
768         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
769         cmp<MODEF>, cmpcc): Remove.
770         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
771         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
772         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
773         (sCC and bCC expanders): Remove.
774         (stack_protect_test): Use cbranchcc4.
775
776         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
777         Delete.
778         (ia64_expand_compare): Accept three rtx by reference and return void.
779         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
780         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
781         from *expr.  Update *expr with the BImode comparison to do.
782         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
783         cmptf, bCC, sCC, conditional_trap): Delete.
784         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
785         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
786         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
787         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
788         * config/ia64/predicates.md (ia64_cbranch_operator): New.
789
790         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
791         type of last argument.
792         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
793         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
794         use machine mode argument instead of branch_type.  Remove dead
795         code for floating-point comparisons.
796         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
797         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
798         Remove.
799         (cbranchsi4, cstoresi4): New.
800         * config/iq2000/predicates.md (reg_or_const_operand): New.
801
802         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
803         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
804         (b<code>_op): Rewrite to...
805         (bcc_op): ... this, using match_operator.
806         (s<code>_op): Rewrite to...
807         (scc_op): ... this, using match_operator.
808         (s<code>_24_op): Rewrite to...
809         (scc_op_24): ... this, using match_operator.
810         (s<code>_<mode>): Rewrite to...
811         (cstore<mode>4): ... this, using match_operator.
812         (s<code>_<mode>_24): Rewrite to...
813         (cstore<mode>4_24): ... this, using match_operator.
814         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
815         m32c_unpend_compare, m32c_expand_scc): Delete.
816         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
817         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
818         (m32c_expand_movcc): Change NE to EQ if necessary.
819         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
820
821         * config/m32r/m32r-protos.h (gen_cond_store): New.
822         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
823         (gen_cond_store): New, from sCC patterns.
824         (m32r_expand_block_move): Use cbranchsi4.
825         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
826         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
827         (cbranchsi4, cstoresi4): New.
828         
829         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
830         Delete.
831         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
832         (m68hc11_notice_update_cc): Look into a compare with 0.
833         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
834         Delete.
835         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
836         cmphi, cmpqi, bCC): Delete.
837         (cbranchsi4, cbranchhi4, cbranchqi4): New.
838         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
839         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
840         sets with COMPARE.
841
842         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
843         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
844         * config/m68k/constraints.md (H): New.
845         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
846         the define_insn below.
847         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
848         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
849         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
850         patterns): Wrap RHS with COMPARE.
851         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
852         (*cmpdi_internal): Name this pattern.
853         (cmpdi): Change to define_insn.
854         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
855         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
856         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
857         predicate.
858         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
859         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
860         (conditional_trap): Change to...
861         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
862         (*conditional_trap): Use the ordered_comparison_operator and
863         const1_operand predicates.
864         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
865         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
866         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
867         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
868
869         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
870         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
871         (mcore_gen_compare): New. 
872         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
873         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
874         (mcore_gen_compare): ... this.
875         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
876         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
877         (stack probe pattern): Use cbranchsi4.
878
879         * config/mips/predicates.md (mips_cstore_operator): New.
880         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
881         * config/mips/mips.md (any_cond): Delete.
882         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
883         always succeed.
884         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
885         fixuns_truncsfdi2): Use cbranch patterns.
886         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
887         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
888         Adjust call to mips_expand_conditional_branch.
889         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
890         cstore<GPR:mode>4.
891         * config/mips/mips-protos.h (mips_expand_conditional_branch,
892         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
893         * config/mips/mips.c (cmp_operands): Delete.
894         (mips_emit_compare): Get comparison operands from *op0/*op1.
895         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
896         that it succeeds.  Use op0/op1 instead of cmp_operands.
897         (mips_expand_conditional_branch, mips_expand_conditional_move,
898         mips_expand_conditional_trap): Likewise.
899         (mips_block_move_loop): Use cbranch patterns. 
900         * config/mips/mips.h (cmp_operands): Delete.
901
902         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
903         (mmix_gen_compare_reg): Just return a register in the right CC mode.
904         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
905         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
906         (*cmpcc_folded): Rename to...
907         (*cmpdi_folded): this.
908         (*cmpcc): Rename to...
909         (*cmps): ... this.
910         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
911         (bCC): Remove.
912         (cbranchdi4): New.
913         (cbranchdf4): New.  Handle invalid comparisons here.
914         * config/mmix/predicates.md (float_comparison_operator): New.
915
916         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
917         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
918         * config/mn10300/mn10300.md (tst): Delete.
919         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
920         Name these patterns and wrap RHS in a compare.
921         (*cmpsi): Make this pattern private.  Include tst.
922         (*cmpsf): Make this pattern private.
923         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
924         (compare with zero peepholes): Likewise.
925         (bCC): Remove.
926         (cbranchsi4, cbranchsf4): New.
927         (casesi): Use cbranchsi4.
928
929         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
930         hppa_branch_type): Delete.
931         (return_addr_rtx): Use cbranchsi4.
932         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
933         Emit CCFPmode comparison here.
934         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
935         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
936         hppa_branch_type): Delete.
937         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
938         (movsicc, movdicc): Remove references to hppa_compare_op0,
939         hppa_compare_op1 and compare_from_rtx.
940         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
941         (casesi): Use cbranchsi4.
942
943         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
944         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
945         * config/pdp11/pdp11.md (register_or_const0_operand): New.
946         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
947         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
948         (bCC): Delete.
949         (cbranchdf4, cbranchhi4, cbranchqi4): New.
950         (*branch, *branch_inverted): New.
951
952         * config/picochip/picochip.md (cbranchhi4): Use
953         ordered_comparison_operator.
954         (cmphi, bCC): Remove.
955
956         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
957         (trap_comparison_operator): Delete.
958         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
959         rs6000_emit_cbranch): Accept mode and operands.
960         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
961         rs6000_compare_fp_p): Delete.   
962         (rs6000_generate_compare): Accept mode and comparison.  Extract code
963         and op0/op1 from there.  Replace references to rs6000_compare_op0
964         and rs6000_compare_op1.
965         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
966         extract result from passed operands.
967         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
968         extract loc from passed operands.
969         (rs6000_emit_cmove): Likewise.
970         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
971         rs6000_compare_fp_p): Delete.
972         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
973         (cbranch<GPR>4, cbranch<FP>4): New.
974         (cstore<mode>4): New.  Consolidate here all choices about when to use
975         portable or specialized sCC sequences.
976         (stack_protect_test): Use cbranchsi4.
977         (conditional_trap): Replace with ctrap<GPR>4.
978         (conditional trap insn): Replace trap_comparison_operator with
979         ordered_comparison_operator. 
980
981         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
982         (s390_emit_prologue): Use ctrap.
983         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
984         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
985         New predicates replacing...
986         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
987         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
988         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
989         (add<mode>cc): Do not use s390_compare_op0/op1.
990         (s<code>): Change to...
991         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
992         (seq): Change to...
993         (cstorecc4): ... this.  Handle EQ or NE equally.
994         (*sne): Un-privatize for use in cstorecc4.
995         (b<code>): Change to...
996         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
997         (conditional_trap): Replace with...
998         (ctrap<GPR>4, ctrap<FP>4): ... these.
999         (stack_protect): Use cbranchcc4.
1000
1001         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1002         * config/score/score-protos.h (score_gen_cmp): Delete.
1003         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1004         (score_block_move-loop): Use cbranchsi4.
1005         * config/score/score.md (cbranchsi4): New.
1006         (cmpsi, bCC): Delete.
1007         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1008         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1009         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1010         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1011         * config/score/score3.h (score3_gen_cmp): Delete.
1012         * config/score/score7.h (score7_gen_cmp): Delete.
1013
1014         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1015         (sh_emit_scc_to_t): ... this.  Return void.
1016         (from_compare): Rename to...
1017         (sh_emit_compare_and_branch): ... this.
1018         (sh_emit_compare_and_set): New.
1019         (sh_expand_t_scc): Accept operands.
1020         * config/sh/predicates.md (sh_float_comparison_operator): New.
1021         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1022         (prepare_scc_operands): Rename to...
1023         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1024         arguments.
1025         (sh_emit_cheap_store_flag): New.
1026         (sh_emit_set_t_insn): New.
1027         (from_compare): Rename to...
1028         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1029         handling of TARGET_SH2E floating point to avoid recursive call.
1030         Generate branch here.
1031         (sh_emit_compare_and_set): New.
1032         (sh_expand_t_scc): Get op0/op1 from arguments.
1033         (sh_emit_cheap_store_flag): New.
1034         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1035         cases.
1036         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1037         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1038         (movsicc, movdicc): Do nothing when it recreated operands from
1039         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1040         prepare_scc_operands (now sh_emit_scc_to_t).
1041         (udivdi3): Use cstoresi4.
1042         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1043         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1044         (cbranchint4_media, cbranchfp4_media): New.
1045         (casesi): Use cbranchdi4.
1046         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1047         Delete.
1048         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1049         (movnegt): Remove second operand.
1050         (cbranchsf4, cbranchdf4): New.
1051         (stack_protect): Use cbranchdi4/cbranchsi4.
1052
1053         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1054         (gen_compare_reg): Accept comparison, extract part of it to...
1055         (gen_compare_reg_1): ... this. 
1056         (gen_compare_operator): Delete.
1057         (gen_v9_scc): Accept separate destination, comparison code and arms.
1058         Do not use sparc_compare_op0/sparc_compare_op1.
1059         (emit_scc_insn, emit_conditional_branch_insn): New.
1060         (emit_v9_brxx): Make static.  Remove useless assertion.
1061         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1062         emit_cmp_insn.
1063         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1064         * config/sparc/sparc-protos.h (gen_compare_reg,
1065         sparc_emit_float_lib_cmp): Adjust prototype.
1066         (emit_scc_insn, emit_conditional_branch_insn): New.
1067         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1068         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1069         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1070         iterators to the top.
1071         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1072         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1073         snedi_special_trunc): Delete.
1074         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1075         and snedi_special_trunc.
1076         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1077         cbranchdi4, cbranch<F:mode>4): New.
1078         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1079         here.  Use gen_compare_reg instead of gen_compare_operator.
1080         (conditional_trap): Replace with...
1081         (ctrapsi4, ctrapdi4): ... this.
1082         (stack_protect_test): Use cbranchcc4.
1083
1084         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1085         argument to rtx.
1086         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1087         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1088         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1089         from operands[0] or operands[3] depending on is_set.
1090         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1091         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1092         cmpdf, bCC), sCC: Remove.
1093         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1094         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1095         cstoredf4): New.
1096         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1097         spu_emit_branch_or_set.
1098
1099         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1100         Add two arguments.
1101         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1102         xstormy16_compare_op1): Delete.
1103         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1104         xstormy16_compare_op1): Delete. 
1105         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1106         Adjust calls.
1107         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1108         (cmphi, cmpsi, bCC): Remove.
1109
1110         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1111         (*cmpsi): ... this one.
1112         (cbranchsi4, cstoresi4): New.
1113         (bCC expanders): Delete.
1114         (sCC insns): Fold into...
1115         (*setcc): ... this one.
1116         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1117         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1118         (movsicc): Simplify.
1119         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1120
1121         * config/vax/vax-protos.h (cond_name): New.
1122         (vax_output_conditional_branch): Remove.
1123         * config/vax/vax.c (cond_name): New.
1124         (vax_output_conditional_branch): Remove.
1125         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1126         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1127         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1128         (bit<VAXint>): Wrap source with (compare).
1129         (b<code> and following unnamed pattern): Rename to *branch and
1130         *branch_reversed.  Change macroization to match_operator.
1131         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1132
1133         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1134         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1135         Change last argument to machine_mode.
1136         (xtensa_expand_scc): Add machine_mode argument.
1137         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1138         (gen_conditional_move, xtensa_expand_conditional_branch,
1139         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1140         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1141         Adjust operand numbers.
1142         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1143         Delete.
1144         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1145         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1146         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1147
1148 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1149
1150         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1151         causes spurious differences between trunk and cond-optab branch.
1152
1153 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1154
1155         PR target/37137
1156         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1157
1158 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1159
1160         * tree.c (iterative_hash_pointer): Delete.
1161         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1162         Hash UIDs and versions of SSA names.  Don't special-case built-in
1163         function declarations.
1164
1165 2009-05-11  Ian Lance Taylor  <iant@google.com>
1166
1167         PR bootstrap/40103
1168         * graphite.c: Force -Wc++-compat to only be a warning before
1169         #including "cloog/cloog.h".
1170
1171 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1172
1173         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1174         
1175 2009-05-11  Jan Hubicka  <jh@suse.cz>
1176
1177         * tree-ssa-loop-ivcanon.c: Include target.h
1178         (struct loop_size): new structure.
1179         (constant_after_peeling): New predicate.
1180         (tree_estimate_loop_size): New function.
1181         (estimated_unrolled_size): Rewrite for new estimates.
1182         (try_unroll_loop_completely): Use new estimates.
1183         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1184
1185 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1186
1187         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1188         libcpp interface change.
1189         (spu_macro_to_expand): Likewise.
1190
1191 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1192
1193         PR tree-optimization/40026
1194         * gimplify.c (gimplify_init_constructor): Change initial conditional
1195         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1196         optimize_compound_literals_in_ctor.
1197
1198 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1199
1200         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1201         New devices.
1202         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1203
1204 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1205
1206         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1207         HOST_WIDE_INT for gap.
1208
1209 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1210
1211         PR tree-optimization/40074
1212         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1213         account in group size and step comparison.
1214
1215 2009-05-11  Richard Guenther  <rguenther@suse.de>
1216
1217         * passes.c (init_optimization_passes): Strip now incorrect comment.
1218         (execute_function_todo): Do not set PROP_alias.
1219         * tree-pass.h (PROP_alias): Remove.
1220         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1221         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1222         * tree-nrv.c (pass_return_slot): Likewise.
1223         * tree-object-size.c (pass_object_sizes): Likewise.
1224         * tree-ssa-dom.c (pass_dominator): Likewise.
1225         (pass_phi_only_cprop): Likewise.
1226         * tree-ssa-dse.c (pass_dse): Likewise.
1227         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1228         (pass_cselim): Likewise.
1229         * tree-ssa-pre.c (pass_pre): Likewise.
1230         (pass_fre): Likewise.
1231         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1232         * tree-ssa-sink.c (pass_sink_code): Likewise.
1233         * tree-stdarg.c (pass_stdarg): Likewise.
1234         * tree-tailcall.c (pass_tail_calls): Likewise.
1235         * tree-vrp.c (pass_vrp): Likewise.
1236
1237 2009-05-10  Ian Lance Taylor  <iant@google.com>
1238
1239         * basic-block.h (enum profile_status): Break out of struct
1240         control_flow_graph.
1241         * cgraph.h (struct inline_summary): Break out of struct
1242         cgraph_local_info.
1243         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1244         of struct cgraph_order_sort.
1245         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1246         * cse.c (struct branch_path): Break out of struct
1247         cse_basic_block_data.
1248         * except.h (enum eh_region_type): Break out of struct eh_region.
1249         * gcc.c (enum add_del): Break out of struct modify_target.
1250         * genrecog.c (enum decision_type): Break out of struct decision_test.
1251         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1252         ggc_pch_data.
1253         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1254         * regmove.c (enum match_use): New enum, broken out of struct match.
1255         * sched-int.h (enum post_call_group): New enum, broken out of
1256         struct deps.
1257         (struct deps_reg): Break out of struct deps.
1258         * target.h (struct asm_int_op): Break out of struct gcc_target.
1259         * tree-eh.c (struct goto_queue_node): Break out of struct
1260         leh_tf_state.
1261         * tree-inline.h (enum copy_body_cge_which): Break out of
1262         copy_body_data.
1263         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1264
1265         * c-decl.c (in_struct, struct_types): New static variables.
1266         (pushtag): Add loc parameter.  Change all callers.
1267         (lookup_tag): Add ploc parameter.  Change all callers.
1268         (check_compound_literal_type): New function.
1269         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1270         -Wc++-compat, warn about struct/union/enum types defined within a
1271         struct or union.
1272         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1273         and loc parameters.  Change all callers.  Change error calls to
1274         error_at, using loc.  For a redefinition, if the location of the
1275         original definition is known, report it.  Set in_struct and
1276         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1277         (finish_struct): Add new parameters enclosing_in_struct and
1278         enclosing_struct_types.  Change all callers.  Set
1279         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1280         in the struct.  If in a struct, add this struct to struct_types.
1281         (start_enum): Add loc parameter.  Change all callers.  Use
1282         error_at for errors, using loc.  For a redefinition, if the
1283         location of the original definition is known, report it.  If in a
1284         struct, add this enum type to struct_types.  If -Wc++-compat warn
1285         if in sizeof, typeof, or alignof.
1286         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1287         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1288         (c_parser_enum_specifier): Get enum location for start_enum.
1289         (c_parser_struct_or_union_specifier): Get struct location for
1290         start_struct.  Save in_struct and struct_types status between
1291         start_struct and finish_struct.
1292         (c_parser_cast_expression): Get location of cast.
1293         (c_parser_alignof_expression): Get location of type.
1294         (c_parser_postfix_expression): Likewise.
1295         (c_parser_postfix_expression_after_paren_type): Add type_loc
1296         parameter.  Change all callers.  Call check_compound_literal_type.
1297         Use type_loc for error about variable size type.
1298         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1299         of an enum constant from an enum type defined in a struct or union.
1300         (c_cast_expr): Add loc parameter.  Change all callers.  If
1301         -Wc++-compat, warn about defining a type in a cast.
1302         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1303         (start_enum, start_struct, finish_struct): Update declarations.
1304         (parser_xref_tag, c_cast_expr): Update declarations.
1305         (check_compound_literal_type): Declare.
1306
1307 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1308
1309         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1310         for recent libcpp interface change.
1311         (rs6000_macro_to_expand): Likewise.
1312
1313 2009-05-10  Michael Matz  <matz@suse.de>
1314
1315         PR target/40031
1316         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1317         not at entry of function.
1318
1319 2009-05-10  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/40081
1322         Revert
1323         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1324         using the main variant of the element type.  Do not fiddle with
1325         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1326
1327         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1328         structs with volatile fields.
1329
1330 2009-05-10  Jan Hubicka  <jh@suse.cz>
1331
1332         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1333         (estimate_move_cost): Assert that it does not get called for
1334         VOID_TYPE_P.
1335         (estimate_num_insns): Skip VOID types in argument handling.
1336         (optimize_inline_calls): Delete unreachable blocks and verify that
1337         callgraph is valid.
1338
1339 2009-05-10  Jan Hubicka  <jh@suse.cz>
1340
1341         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1342         * cgraph.c (cgraph_mark_address_taken_node): New function.
1343         (dump_cgraph_node): Dump new flag.
1344         * cgraph.h (struct cgraph_node): Add address_taken.
1345         (cgraph_mark_address_taken_node): New function.
1346         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1347         since new direct calls can be born.
1348
1349 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1350
1351         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1352         tok->val.node.node.
1353
1354 2009-05-10  Jan Hubicka  <jh@suse.cz>
1355
1356         PR middle-end/40084
1357         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1358         argument; rewrite.
1359         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1360         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1361         * tree-inline.c (copy_bb): Set frequency correctly.
1362         (fold_marked_statements): Update call to
1363         cgraph_update_edges_for_call_stmt.
1364
1365 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1366
1367         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1368         identifiers in diagnostics.
1369         * config/arm/arm.c (arm_handle_fndecl_attribute,
1370         arm_handle_isr_attribute): Likewise.
1371         * config/avr/avr.c (avr_handle_progmem_attribute,
1372         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1373         Likewise.
1374         * config/bfin/bfin.c (handle_int_attribute,
1375         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1376         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1377         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1378         Likewise.
1379         * config/darwin.c (darwin_handle_kext_attribute,
1380         darwin_handle_weak_import_attribute): Likewise.
1381         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1382         h8300_handle_eightbit_data_attribute,
1383         h8300_handle_tiny_data_attribute): Likewise.
1384         * config/i386/i386.c (ix86_handle_cconv_attribute,
1385         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1386         Likewise.
1387         * config/i386/winnt.c (ix86_handle_shared_attribute,
1388         ix86_handle_selectany_attribute): Likewise.
1389         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1390         * config/m32c/m32c.c (function_vector_handler): Likewise.
1391         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1392         m68hc11_handle_fntype_attribute): Likewise.
1393         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1394         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1395         * config/mips/mips.c (mips_insert_attributes,
1396         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1397         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1398         rs6000_handle_struct_attribute): Likewise.
1399         * config/sh/sh.c (sh_insert_attributes,
1400         sh_handle_resbank_handler_attribute,
1401         sh_handle_interrupt_handler_attribute,
1402         sh2a_handle_function_vector_handler_attribute,
1403         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1404         Likewise.
1405         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1406         * config/spu/spu.c (spu_handle_fndecl_attribute,
1407         spu_handle_vector_attribute): Likewise.
1408         * config/stormy16/stormy16.c
1409         (xstormy16_handle_interrupt_attribute): Likewise.
1410         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1411         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1412
1413 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1414
1415         * pretty-print.h (struct pretty_print_info): Add
1416         translate_identifiers.
1417         (pp_translate_identifiers): New.
1418         (pp_identifier): Only conditionally translate identifier to locale
1419         character set.
1420         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1421         (pp_base_tree_identifier): Only conditionally translate identifier
1422         to locale character set.
1423         * c-pretty-print.c (M_): Define.
1424         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1425         fragments for conditional translation with M_.
1426         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1427         identifier translation.
1428
1429 2009-05-10  Richard Guenther  <rguenther@suse.de>
1430
1431         PR tree-optimization/40081
1432         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1433         using the main variant of the element type.  Do not fiddle with
1434         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1435
1436 2009-05-09  Jan Hubicka  <jh@suse.cz>
1437
1438         PR middle-end/40080
1439         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1440         indirect calls; verify cgraph afterwards.
1441
1442 2009-05-09  Jan Hubicka  <jh@suse.cz>
1443
1444         PR bootstrap/40082
1445         * ipa.c (update_inlined_to_pointer): New function.
1446         (cgraph_remove_unreachable_nodes): Use it.
1447
1448 2009-05-09  Jan Hubicka  <jh@suse.cz>
1449
1450         * tree-eh.c (struct leh_state): Remove prev_try.
1451         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1452         not track prev_try.
1453         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1454         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1455         remove_eh_handler_and_replace, foreach_reachable_handler,
1456         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1457         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1458         (gen_eh_region_cleanup): Update prototype.
1459
1460 2009-05-09  Jan Hubicka  <jh@suse.cz>
1461
1462         PR middle-end/40043
1463         * except.c (copy_eh_region): Always set prev_try.
1464         (redirect_eh_edge_to_label): Find outer try.
1465         (foreach_reachable_handler): When looking for prev try
1466         handle case where previous try is not going to be taken.
1467
1468 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1469
1470         PR tree-optimization/40049
1471         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1472         only vector/vector shifts, convert the type of the constant to the
1473         appropriate type to avoid building incorrect trees, which
1474         eventually have problems with garbage collection.
1475
1476 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1477
1478         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1479         -1 for complex floating-point types if honoring signed zeros.
1480
1481 2009-05-08  Jan Hubicka  <jh@suse.cz>
1482
1483         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1484         argument; handle correctly when profile is absent.
1485         (build_cgraph_edges): Update.
1486         (rebuild_cgraph_edges): Update.
1487         * cgraph.c: Do not include varray.h.
1488         (cgraph_set_call_stmt_including_clones): New function.
1489         (cgraph_create_edge_including_clones): Likewise
1490         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1491         (cgraph_update_edges_for_call_stmt): Handle clones.
1492         (cgraph_remove_node): Handle clone tree.
1493         (cgraph_remove_node_and_inline_clones): New function.
1494         (dump_cgraph_node): Dump clone tree.
1495         (cgraph_clone_node): Handle clone tree.
1496         (clone_function_name): Bring here from tree-inline.c.
1497         (cgraph_create_virtual_clone): New function.
1498         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1499         (cgraph_clone_info): New function.
1500         (strut cgraph_node): Add clone_info and new clone tree pointers.
1501         (cgraph_remove_node_and_inline_clones,
1502         cgraph_set_call_stmt_including_clones,
1503         cgraph_create_edge_including_clones,
1504         cgraph_create_virtual_clone): Declare.
1505         (cgraph_function_versioning): Use VEC argument.
1506         (compute_call_stmt_bb_frequency): Update prototype.
1507         (cgraph_materialize_all_clones): New function.
1508         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1509         (ipcp_create_replace_map): Update to VECtors.
1510         (ipcp_update_callgraph): Use virtual clones.
1511         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1512         (ipcp_update_profiling): Do not update local profiling.
1513         (ipcp_insert_stage): Use VECtors and virtual clones.
1514         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1515         (clone_of_p): New function.
1516         (cgraph_preserve_function_body_p): Use clone tree.
1517         (cgraph_optimize): Materialize clones.
1518         (cgraph_function_versioning): Update for VECtors.
1519         (save_inline_function_body): Use clone tree.
1520         (cgraph_materialize_clone): New function.
1521         (cgraph_materialize_all_clones): Likewise.
1522         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1523         * ipa.c: Include gimple.h.
1524         (cgraph_remove_unreachable_nodes): Use clone tree.
1525         * ipa-prop.c (ipa_note_param_call): Update call to
1526         compute_call_stmt_bb_frequencycall.
1527         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1528         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1529         (copy_bb): Handle updating of clone tree; add new edge when new call
1530         appears.
1531         (expand_call_inline): Be strict about every call having edge.
1532         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1533         (delete_unreachable_blocks_update_callgraph): New function.
1534         (tree_function_versioning): Use VECtors; always remove unreachable
1535         blocks and fold conditionals.
1536         * tree-inline.h: Do not include varray.h.
1537         (tree_function_versioning): Remove.
1538         * Makefile.in (GTFILES): Remove tree-inline.c
1539         * passes.c (do_per_function): Do only functions having body.
1540         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1541         tree.
1542
1543 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1544             Andrew Morrow  <acm@google.com>
1545
1546         PR c/36892
1547         * c-common.c (c_common_attribute_table): Permit deprecated
1548         attribute to take an optional argument.
1549         (handle_deprecated_attribute): If the optional argument to
1550         __attribute__((deprecated)) is not a string ignore the attribute
1551         and emit a warning.
1552
1553         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1554         * c-typeck.c (build_component_ref): Likewise.
1555         (build_external_ref): Likewise.
1556
1557         * toplev.c (warn_deprecated_use): Add an attribute argument.
1558         Emit the message associated with __attribute__((deprecated)).
1559
1560         * toplev.h (warn_deprecated_use): Updated.
1561
1562         * doc/extend.texi: Document new optional parameter to
1563         __attribute__((deprecated))
1564
1565 2009-05-08  Michael Eager <eager@eagercon.com>
1566
1567         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1568         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1569
1570 2009-05-08  Richard Guenther  <rguenther@suse.de>
1571
1572         PR tree-optimization/40062
1573         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1574         Avoid exponential behavior.
1575
1576 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1577
1578         PR rtl-optimization/33928
1579         PR 26854
1580         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1581         process_uses, build_single_def_use_links): New.
1582         (update_df): Update use_def_ref.
1583         (forward_propagate_into): Use get_def_for_use instead of use-def
1584         chains.
1585         (fwprop_init): Call build_single_def_use_links and let it initialize
1586         dataflow.
1587         (fwprop_done): Free use_def_ref.
1588         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1589         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1590         df_rd_simulate_one_insn): New.
1591         (df_rd_bb_local_compute_process_def): Update head comment.
1592         (df_chain_create_bb): Use the new RD simulation functions.
1593         * df.h (df_rd_simulate_artificial_defs_at_top, 
1594         df_rd_simulate_one_insn): New.
1595         * opts.c (decode_options): Enable fwprop at -O1.
1596         * doc/invoke.texi (-fforward-propagate): Document this.
1597
1598 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1599
1600         PR c/24581
1601         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1602         and one complex operand specially.
1603         * tree-complex.c (some_nonzerop): Do not identify a real value as
1604         zero if flag_signed_zeros.
1605
1606 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1607
1608         PR rtl-optimization/33928
1609         * loop-invariant.c (record_use): Fix && vs. || mishap.
1610
1611 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1612
1613         PR rtl-optimization/33928
1614         * loop-invariant.c (struct use): Add addr_use_p.
1615         (struct def): Add n_addr_uses.
1616         (struct invariant): Add cheap_address.
1617         (create_new_invariant): Set cheap_address.
1618         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1619         (record_uses): Pass df_ref to record_use.
1620         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1621         used only as such.
1622
1623 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1624
1625         * config/sh/sh.c: Do not include c-pragma.h.
1626
1627 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1628
1629         * config/spu/spu.c: Remove include of c-common.h.
1630
1631 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1632
1633         PR c/39037
1634         * c-common.h (mark_valid_location_for_stdc_pragma,
1635         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1636         clear_float_const_decimal64, float_const_decimal64_p): New.
1637         * c.opt (Wunsuffixed-float-constants): New.
1638         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1639         unsuffixed float constant, handle new warning.
1640         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1641         * c-decl.c (c_scope): New flag float_const_decimal64.
1642         (set_float_const_decimal64, clear_float_const_decimal64,
1643         float_const_decimal64_p): New.
1644         (push_scope): Set new flag.
1645         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1646         to use STDC pragmas.
1647         (c_parser_external_declaration): Ditto.
1648         (c_parser_compound_statement_nostart): Ditto.
1649         * c-pragma.c (valid_location_for_stdc_pragma,
1650         mark_valid_location_for_stdc_pragma,
1651         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1652         handle_pragma_float_const_decimal64): New.
1653         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1654         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1655         set_float_const_decimal64, clear_float_const_decimal64,
1656         float_const_decimal64_p): New dummy functions.
1657         * doc/extend.texi (Decimal Float): Remove statement that the
1658         pragma, and suffix for double constants, are not supported.
1659         * doc/invoke.texi (Warning Options): List new option.
1660         (-Wunsuffixed-float-constants): New.
1661
1662 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1663
1664         * config/i386/i386.c: Do not include c-common.h.
1665
1666 2009-05-07  Mark Heffernan  <meheff@google.com>
1667
1668         * doc/invoke.texi (Debugging Options): Document change of debugging
1669         dump location.
1670         * opts.c (decode_options): Make dump_base_name relative to
1671         aux_base_name directory.
1672
1673 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1674
1675         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1676         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1677
1678 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1679
1680         * Makefile.in (install-plugin): Simplify a bit.
1681
1682 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1683
1684         * Makefile.in (OBJS-common): Add regcprop.o.
1685         (regcprop.o): New.
1686         * timevar.def (TV_CPROP_REGISTERS): New.
1687         * regrename.c (regrename_optimize): Return 0.
1688         (rest_of_handle_regrename): Delete.
1689         (pass_rename_registers): Point to regrename_optimize.
1690         (struct value_data_entry, struct value_data, 
1691         kill_value_one_regno, kill_value_regno, kill_value,
1692         set_value_regno, init_value_data, kill_clobbered_value,
1693         kill_set_value, kill_autoinc_value, copy_value,
1694         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1695         replace_oldest_value_reg, replace_oldest_value_addr,
1696         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1697         debug_value_data, validate_value_data): Move...
1698         * regcprop.c: ... here.
1699         (rest_of_handle_cprop): Delete.
1700         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1701
1702 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR middle-end/40057
1705         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1706         GEN_INT for 1 << bitnum.
1707         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1708         build_int_cst_type.
1709
1710 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1711
1712         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1713         Remove wrong description of "nand" operation.
1714
1715 2009-05-06  Richard Guenther  <rguenther@suse.de>
1716             Adam Nemet  <anemet@caviumnetworks.com>
1717
1718         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1719         comment.  Add that if LHS is not a gimple register, then RHS1 has
1720         to be a single object (GIMPLE_SINGLE_RHS).
1721
1722 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1723
1724         * expr.c (get_def_for_expr): Move it up in the file.
1725         (store_field): When expanding a bit-field store, look at the
1726         defining gimple stmt for the masking conversion.
1727
1728 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1729
1730         PR middle-end/39986
1731         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1732         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1733         32-bit memcpy into long.
1734
1735 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1736
1737         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1738         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1739         new_reg_loc_descr.
1740         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1741         instead of appending DW_OP_deref*.
1742
1743 2009-05-06  Michael Matz  <matz@suse.de>
1744
1745         PR middle-end/40021
1746         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1747         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1748
1749 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1750
1751         * Makefile.in (install-plugin): Fix srcdir handling.
1752
1753 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1754
1755         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1756         when processing for not_regs_needed bitmap.
1757         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1758         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1759         handling it for rhs. 
1760
1761 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1762
1763         * config/i386/i386.md (unnamed inc/dec peephole): Use
1764         optimize_insn_for_size_p instead of optimize_size.
1765         * config/i386/predicates.md (incdec_operand): Likewise.
1766         (aligned_operand): Likewise.
1767         * config/i386/sse.md (divv8sf3): Likewise.
1768         (sqrtv8sf2): Likewise.
1769
1770 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1771
1772         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1773
1774         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1775
1776 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1777
1778         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1779         ssemodesuffixf2c with avxmodesuffixf2c.
1780
1781 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1782
1783         PR c/40032
1784         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1785
1786 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1787
1788         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1789         (struct tree_base): Adjust spacing for 8 bit boundaries.
1790         (struct tree_decl_common): Add decl_by_reference_flag bit.
1791         (DECL_BY_REFERENCE): Adjust.
1792         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1793         print DECL_BY_REFERENCE bit.
1794         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1795         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1796         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1797         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1798         unconditionally.
1799
1800         PR middle-end/39666
1801         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1802         range of the type, but default label is missing, add it with one
1803         of the existing labels instead of adding a new label for it.
1804
1805 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1806
1807         * dwarf.h: Remove.
1808
1809 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1810
1811         * Makefile.in (enable_plugin, plugin_includedir): New.
1812         (install): Depend on install-plugin.
1813         (PLUGIN_HEADERS): New.
1814         (install-plugin): New.
1815         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1816
1817 2009-05-05  Richard Guenther  <rguenther@suse.de>
1818
1819         PR tree-optimization/40022
1820         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1821         the only vuse.
1822         (phivn_valid_p): Fix tuplification error, simplify.
1823         (phiprop_insert_phi): Add dumps.
1824         (propagate_with_phi): Simplify.
1825
1826 2009-05-05  Richard Guenther  <rguenther@suse.de>
1827
1828         PR middle-end/40023
1829         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1830
1831 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1832
1833         * tree.h (strip_float_extensions): Remove duplicate declaration.
1834         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1835         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1836         block_ultimate_origin): Rearrange the declarations line to match the
1837         comment that indicates the .c file which the functions are defined.
1838         (dwarf2out_*, set_decl_rtl): Add comment.
1839         (get_base_address): Adjust comment.
1840         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1841         declarations line and add comment.
1842         (is_builtin_name): Add blank after function name, for clarity.
1843
1844 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1845
1846         * attribs.c (decl_attributes): Use %qE for identifiers in
1847         diagnostics.
1848         * cgraphunit.c (verify_cgraph_node): Translate function names to
1849         locale character set in diagnostics.
1850         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1851         diagnostics.
1852         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1853         Document that functions are named in UTF-8.
1854         * expr.c (expand_expr_real_1): Translate function names to locale
1855         character set in diagnostics.
1856         * gimplify.c (omp_notice_variable, omp_is_private,
1857         gimplify_scan_omp_clauses): Use %qE for identifiers in
1858         diagnostics.
1859         * langhooks.c (lhd_print_error_function): Translate function names
1860         to locale character set.
1861         * langhooks.h (decl_printable_name): Document that return value is
1862         in internal character set.
1863         * stmt.c: Include pretty-print.h
1864         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1865         diagnostics.
1866         (resolve_operand_name_1): Translate named operand name to locale
1867         character set.
1868         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1869         diagnostics.
1870         * toplev.c (announce_function): Translate function names to locale
1871         character set.
1872         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1873         (default_tree_printer): Use pp_identifier or translate identifiers
1874         to locale character set.  Mark "<anonymous>" for translation.
1875         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1876         for identifiers in diagnostics.
1877         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1878         diagnostics.
1879         * varasm.c (output_constructor): Use %qE for identifiers in
1880         diagnostics.
1881
1882 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1883
1884         * configure.ac: use ` ` instead of $()
1885         * configure: Regenerate.
1886
1887 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1888
1889         * config/pa/linux-atomic.c: Eliminate conditional include of
1890         errno.h on non-LP64 systems to simplify build requirements.
1891
1892 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1893
1894         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1895         diagnostics.
1896         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1897         and pass value to identifier_to_locale.
1898         (warn_variable_length_array): Make name a tree.
1899         (grokdeclarator): Separate diagnostic texts for named and unnamed
1900         declarators.  Use %qE for named declarators.
1901         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1902         diagnostics.
1903         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1904         identifiers in diagnostics.
1905         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1906         identifier_to_locale.  Mark "anonymous" strings for translation.
1907
1908 2009-05-04  Michael Eager <eager@eagercon.com>
1909
1910         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1911         address for DImode/DFmode only if double-precision FP regs.
1912
1913 2009-05-04  Michael Eager <eager@eagercon.com>
1914
1915         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1916         TARGET_SINGLE_FLOAT check.
1917
1918 2009-05-04  Michael Eager <eager@eagercon.com>
1919
1920         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1921
1922 2009-05-04  Michael Eager <eager@eagercon.com>
1923
1924         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1925         * config/rs6000/t-xilinx: New
1926
1927 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1928
1929         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1930         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1931         * gcc/explow.c (memory_address): Use target hook.
1932         * gcc/targhooks.c (default_legitimize_address): New.
1933         * gcc/targhooks.h (default_legitimize_address): New.
1934         * gcc/target.h (legitimize_address): New.
1935         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1936         (TARGET_INITIALIZER): Include it.
1937         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1938
1939         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1940         * config/bfin/bfin.c (legitimize_address): Remove.
1941         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1942         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1943         Remove.
1944         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1945         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1946
1947         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1948         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1949         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1950         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1951         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1952         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1953         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1954         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1955         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1956         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1957         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1958         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1959         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1960         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1961         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1962         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1963         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1964         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1965         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1966         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1967         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1968         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1969         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1970
1971         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1972         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1973         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1974         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1975         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1976         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1977         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1978         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1979         (thumb_legitimize_address): Delete.
1980         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1981         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1982         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1983         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1984         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1985         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1986         Delete.
1987         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1988         Delete.
1989
1990         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1991         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1992         * config/m32r/m32r.c (m32r_legitimize_address): New.
1993         * config/m68k/m68k.c (m68k_legitimize_address): New.
1994         * config/score/score.c (score_legitimize_address): Standardize.
1995         * config/score/score3.c (score3_legitimize_address): Standardize.
1996         * config/score/score3.h (score3_legitimize_address): Adjust.
1997         * config/score/score7.c (score7_legitimize_address): Standardize.
1998         * config/score/score7.h (score7_legitimize_address): Adjust.
1999         * config/sh/sh.c (sh_legitimize_address): New.
2000         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2001
2002         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2003         (s390_legitimize_address): ... this.
2004         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2005         (sparc_legitimize_address): ... this.
2006         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2007         (ix86_legitimize_address): ... this.
2008         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2009         (avr_legitimize_address): ... this.
2010         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2011         (mn10300_legitimize_address): ... this.
2012         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2013         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2014         (alpha_expand_mov): Adjust call.
2015
2016         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2017         * config/spu/spu.c (spu_legitimize_address): Likewise.
2018         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2019         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2020
2021 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2022
2023         * intl.c (locale_encoding, locale_utf8): New.
2024         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2025         * intl.h (locale_encoding, locale_utf8): Declare.
2026         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2027         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2028         New.
2029         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2030         argument.
2031         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2032         (pp_base_tree_identifier): Declare as function.
2033         (identifier_to_locale): Declare.
2034         * Makefile.in (pretty-print.o): Update dependencies.
2035         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2036
2037 2009-05-04  Richard Guenther  <rguenther@suse.de>
2038
2039         PR middle-end/40015
2040         * builtins.c (fold_builtin_memory_op): Do not decay to element
2041         type if the size matches the whole array.
2042
2043 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2044
2045         * expmed.c (synth_mult): When trying out a shift, pass the result
2046         of a signed shift.
2047
2048 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2049
2050         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2051         (shiftsub1_cost): New.
2052         (init_expmed): Compute shiftsub1_cost.
2053         (synth_mult): Optimize multiplications by constants of the form
2054         -(2^^m-1) for some constant positive integer m.
2055
2056 2009-05-03  Richard Guenther  <rguenther@suse.de>
2057
2058         PR c/39983
2059         * c-typeck.c (array_to_pointer_conversion): Do not built
2060         ADDR_EXPRs of arrays of pointer-to-element type.
2061         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2062         up wrong ADDR_EXPRs after-the-fact.
2063         * c-common.c (strict_aliasing_warning): Strip pointer
2064         conversions for obtaining the original type.
2065         * builtins.c (fold_builtin_memset): Handle array types.
2066         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2067         and array types
2068
2069 2009-05-03  Richard Guenther  <rguenther@suse.de>
2070
2071         PR middle-end/23329
2072         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2073         Do not lose casts from array types with unknown extent to array
2074         types with known extent.
2075         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2076         alias set compatibility.
2077
2078 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2079
2080         * flags.h (extra_warnings): Delete.
2081         * toplev.c (process_options): Handle Wuninitialized here.
2082         * opts.c (extra_warnings): Delete.
2083         (set_Wextra): Delete.
2084         (common_handle_option): -Wextra can be handled automatically.
2085         * c-opts.c (c_common_handle_option): Delete obsolete code.
2086         (c_common_post_options): Simplify comment.
2087         * common.opt (W): Add Var.
2088         (Wextra): Add Var.
2089         (Wuninitialized): Initialize to -1.
2090
2091 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2092             Richard Guenther  <rguenther@suse.de>
2093
2094         * expr.c (get_def_for_expr): New function.
2095         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2096         SSA rather than trees.
2097         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2098         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2099         
2100 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2101
2102         * c-common.c (reswords): Add _Imaginary.
2103         * c-common.c (enum rid): Add RID_IMAGINARY.
2104
2105 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2106
2107         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2108         Patch by Richard Guenther.
2109
2110 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2111
2112         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2113         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2114         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2115         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2116         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2117         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2118         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2119         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2120         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2121         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2122         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2123         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2124         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2125         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2126         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2127         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2128         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2129         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2130
2131 2009-05-02  Richard Guenther  <rguenther@suse.de>
2132
2133         PR tree-optimization/39940
2134         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2135         doing so.
2136
2137 2009-05-02  Richard Guenther  <rguenther@suse.de>
2138
2139         PR middle-end/40001
2140         * tree-ssa.c (execute_update_addresses_taken): Properly check
2141         if we can mark a variable DECL_GIMPLE_REG_P.
2142         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2143         back to the end of the function.
2144         (is_gimple_reg_type): Remove complex type special casing.
2145         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2146         if not optimizing.
2147
2148 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2149
2150         * doc/collect2.texi (Collect2): Document search path behaviour
2151         when configured with --with-ld.
2152
2153 2009-05-02  Jan Hubicka  <jh@suse.cz>
2154
2155         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2156         parameter; update callers.
2157         (coalesce_cost_edge): EH edges are costier because they needs
2158         splitting even if not critical and even more costier when there are
2159         multiple EH predecestors.
2160
2161 2009-05-02  Jan Hubicka  <jh@suse.cz>
2162
2163         * except.c (remove_eh_handler_and_replace): Handle updating after
2164         removing TRY blocks.
2165
2166 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2167
2168         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2169
2170 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2171
2172         * varasm.c: Do not include c-pragma.h.
2173         * attribs.c: Do not incude c-common.h.
2174
2175 2009-05-01  Michael Matz  <matz@suse.de>
2176
2177         * calls.c (initialize_argument_information): Handle SSA names like
2178         decls with a non MEM_P DECL_RTL.
2179
2180 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2181
2182         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2183         * ipa-utils.c: Likewise.
2184         * ipa-type-escape.c: Likewise.
2185         * cgraphunit.c Do not include c-common.h.
2186         * ipa-pure-const.c: Likewise.
2187         * tree-if-conv.c: Likewise.
2188         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2189         * ipa-struct-reorg.c: Likewise.
2190         * tree-nomudflap.c: Likewise.
2191         * tree-ssa-structalias.c: Likewise.
2192
2193 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2194
2195         * store-motion.c: Many cleanups to make this pass a first-class
2196         citizen instead of an appendix to gcse load motion.  Add TODO list
2197         to make this pass faster/cleaner/better.
2198
2199         (struct ls_expr): Post gcse.c-split cleanups.
2200         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2201         "stores" field to "avail_stores".
2202         (pre_ldst_mems): Rename to store_motion_mems.
2203         (pre_ldst_table): Rename to store_motion_mems_table.
2204         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2205         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2206         (ldst_entry): Rename to st_expr_entry, update users.
2207         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2208         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2209         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2210         update caller.
2211         (first_ls_expr): Rename to first_st_expr, update users.
2212         (next_ls_expr): Rename to next_st_expr, update users.
2213         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2214         fields properly for store motion instead of names inherited from load
2215         motion in gcse.c.
2216         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2217         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2218         are done with it.
2219
2220         (ae_kill): Rename to st_kill, update users.
2221         (ae_gen): Rename to st_avloc, update users.
2222         (transp): Rename to st_transp, update users.
2223         (pre_insert_map): Rename to st_insert_map, update users.
2224         (pre_delete_map): Rename to st_delete_map, update users.
2225         (insert_store, build_store_vectors, free_store_memory,
2226         one_store_motion_pass): Update for abovementioned changes.
2227
2228         (gcse_subst_count, gcse_create_count): Remove.
2229         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2230         and "n_stores_created", local variables.
2231
2232         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2233         use for_each_rtx.
2234
2235         (regvec, compute_store_table_current_insn): Remove.
2236         (reg_set_info, reg_clear_last_set): Remove.
2237         (compute_store_table): Use DF caches instead of local dataflow
2238         solvers.
2239
2240 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2241
2242         * c-objc-common.c (c_tree_printer): Print identifiers with
2243         pp_identifier, not pp_string.  Mark "({anonymous})" for
2244         translation.
2245         * c-pretty-print.c (pp_c_ws_string): New.
2246         (pp_c_cv_qualifier, pp_c_type_specifier,
2247         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2248         pp_c_storage_class_specifier, pp_c_function_specifier,
2249         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2250         pp_c_primary_expression, pp_c_postfix_expression,
2251         pp_c_unary_expression, pp_c_shift_expression,
2252         pp_c_relational_expression, pp_c_equality_expression,
2253         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2254         use pp_string and pp_c_ws_string in place of pp_identifier and
2255         pp_c_identifier for non-identifiers.  Mark English strings for
2256         translation.
2257         * c-pretty-print.h (pp_c_ws_string): Declare.
2258
2259 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2260             Roland McGrath <roland@redhat.com>
2261
2262         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2263         (ENABLE_LD_BUILDID): New configuration option.
2264         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2265         (LINK_BUILDID_SPEC): New macro.
2266         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2267         link_spec.
2268         * doc/install.texi: Document --enable-linker-build-id option.
2269         * configure: Rebuild.
2270         * config.in: Rebuild.
2271
2272 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2273
2274         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2275         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2276         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2277         MIPS_GP_SAVE_AREA_SIZE.
2278         * config/mips/mips.c (struct mips_frame_info): Update comment
2279         before arg_pointer_offset and hard_frame_pointer_offset.
2280         (mips_compute_frame_info): Update diagram before function: to
2281         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2282         indicate the position of frame_pointer_rtx with -fstack-protector and
2283         to show args_size.  Don't allocate cprestore area for leaf functions
2284         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2285         cprestore_size.
2286         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2287
2288 2009-04-30  Michael Matz  <matz@suse.de>
2289
2290         PR tree-optimization/39955
2291         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2292
2293 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2294
2295         * ira.c (setup_cover_and_important_classes):  Use safe macro
2296         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2297         directly.
2298         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2299         REG_CLASS_FOR_CONSTRAINT.
2300
2301 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2302
2303         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2304         instead of an int.
2305         * bitmap.c (bitmap_descriptor): Likewise.
2306         * ggc-common.c (loc_descriptor): Likewise.
2307         * varray.c (varray_descriptor): Likewise.
2308         * vec.c (vec_descriptor): Likewise.
2309
2310 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2311
2312         * Makefile.in (dce.o): Add $(EXCEPT_H).
2313         * dce.c: Include except.h and delete redundant vector definitions.
2314         (deletable_insn_p): Return false for non-call insns that can throw
2315         if DF is running.
2316
2317 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2318
2319         * gcse.c (ae_gen): Remove.
2320         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2321         and make non-static function to make it available in store-motion.c.
2322         Update call sites with search-and-replace.
2323         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2324         extract_mentioned_regs, extract_mentioned_regs_helper,
2325         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2326         store_killed_in_insn, store_killed_after, store_killed_before,
2327         build_store_vectors, insert_insn_start_basic_block, insert-store,
2328         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2329         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2330         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2331         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2332         and clean up to remove parts not used by store motion.
2333         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2334         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2335
2336 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2337
2338         PR target/38571
2339         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2340         when optimizing for size.
2341
2342 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2343
2344         * gcse.c (gcse_constant_p): Fix typo in last change.
2345
2346 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2347
2348         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2349
2350 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2351
2352         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2353
2354 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2355
2356         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2357         CONST_HIGH_PART result.
2358
2359 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2360
2361         * config/avr/avr.c (initial_elimination_offset): Rename to
2362         avr_initial_elimination_offset.
2363         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2364         change return type to bool.
2365         (avr_can_eliminate): New function.
2366         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2367         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2368         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2369         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2370         avr_initial_elimination_offset.
2371         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2372         (avr_initial_elimination_offset): Define.
2373
2374 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2375             Steven Bosscher  <steven@gcc.gnu.org>
2376
2377         PR rtl-optimization/39938
2378         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2379         * cfgrtl.c: Include insn-attr.h.
2380         (rest_of_pass_free_cfg): New function.
2381         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2382         * resource.c (init_resource_info): Remove call to df_analyze.
2383
2384 2009-04-29  Richard Guenther  <rguenther@suse.de>
2385
2386         PR target/39943
2387         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2388         allow conversion to signed integers.
2389
2390 2009-04-29  Richard Guenther  <rguenther@suse.de>
2391
2392         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2393         shifts of floating point vectors if the shift amount is
2394         a constant multiple of the element size.
2395
2396 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2397             Michael Matz  <matz@suse.de>
2398
2399         PR middle-end/39927
2400         PR bootstrap/39929
2401         * tree-outof-ssa.c (emit_partition_copy): New function.
2402         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2403         insert_part_to_rtx_on_edge): Perform the partition base var
2404         copy using emit_partition_copy.
2405         (insert_value_copy_on_edge): Convert constants to the right mode.
2406         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2407         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2408
2409 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2410
2411         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2412         scan backwards to try to find a constant to initialize it.
2413
2414         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2415         insn before the loop_end instruction, don't look past labels.
2416
2417 2009-04-29  Richard Guenther  <rguenther@suse.de>
2418
2419         PR middle-end/39937
2420         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2421         loose type conversions.
2422         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2423         stmts only if there are no uses of its definition.
2424
2425 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2426
2427         * config/bfin/bfin.h (splitting_loops): Declare.
2428         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2429         Reorder bit definitions to be ascending.
2430         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2431         * config/bfin/bfin.c (splitting_loops): New variable.
2432         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2433         (struct loop_info): Remove members INIT and LOOP_INIT.
2434         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2435         the LSETUP sequence.  Allow LC to be loaded from any register, but
2436         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2437         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2438         set to 1.
2439         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2440         of reload_completed.
2441
2442         From Jie Zhang:
2443         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2444
2445 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2446
2447         * Makefile.in (PLUGIN_VERSION_H): New.
2448         (OBJS-common): Remove plugin-version.o.
2449         (plugin.o): Depend on (PLUGIN_VERSION_H).
2450         (plugin-version.o): Remove.
2451         * configure: Regenerate
2452         * configure.ac: Create plugin-version.h.
2453         * gcc-plugin.h (plugin_gcc_version): Remove.
2454         (plugin_default_version_check): Change signature.
2455         * plugin-version.c: Remove.
2456         * plugin.c: Include plugin-version.h.
2457         (str_plugin_gcc_version_name): Remove.
2458         (try_init_one_plugin): Pass gcc version to plugin_init.
2459         (plugin_default_version_check): Both gcc and plugin versions are now
2460         arguments.
2461
2462 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2463         
2464         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2465         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2466         Remove special case testing for last insn of inner loops. Don't fail
2467         if the loop ends with a jump, emit an extra nop instead.
2468
2469         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2470         DREGS rather than comparing directly.  Remove code that tries to
2471         account for latencies.
2472
2473 2009-04-29  Richard Guenther  <rguenther@suse.de>
2474
2475         PR tree-optimization/39941
2476         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2477         eliminating an indirect call.
2478
2479 2009-04-29  Richard Guenther  <rguenther@suse.de>
2480
2481         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2482         parameter.  Allow invariants as base if !require_lvalue.
2483         (verify_gimple_assign_single): Adjust.
2484
2485 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2486
2487         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2488         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2489         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2490         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2491         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2492         a VEC_SELECT.
2493         * config/bfin/bfin.c (bfin_expand_builtin,
2494         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2495
2496 2009-04-28  Richard Guenther  <rguenther@suse.de>
2497
2498         * tree-vect-loop.c (get_initial_def_for_induction): Use
2499         correct types for pointer increment.
2500
2501 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2502
2503         * toplev.c (print_version): Update GMP version string calculation.
2504
2505 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2506
2507         PR rtl-optimization/39938
2508         * resource.c (init_resource_info): Add call to df_analyze.
2509
2510 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2511
2512         * config/alpha/alpha.md (usegp): Cast the result of
2513         alpha_find_lo_sum_using_gp to enum attr_usegp.
2514         * config/alpha/alpha.c (override_options): Remove end-of-structure
2515         marker element from cpu_table.  Use array size of cpu_table to handle
2516         -mcpu and -mtune options.
2517         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2518
2519 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2520
2521         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2522         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2523         tune_32 and tune_64.
2524         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2525         support on PowerPC.
2526         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2527         * config/rs6000/option-defaults.h: ... here.  New file.
2528         (OPT_64, OPT_32): Define.
2529         (MASK_64BIT): Define to 0 if not already defined.
2530         (OPT_ARCH64, OPT_ARCH32): Define.
2531         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2532         and tune_64.
2533
2534 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2535
2536         * config/arm/arm.c (arm_override_options): Emit error on using
2537         fpa with AAPCS.
2538
2539 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2540
2541         PR rtl-optimization/39914
2542         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2543         registers for allocnos created from user-defined variables only
2544         when not optimizing.
2545
2546 2009-04-28  Richard Guenther  <rguenther@suse.de>
2547
2548         PR middle-end/39937
2549         * fold-const.c (fold_binary): Use distribute_real_division only
2550         on float types.
2551
2552 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2553
2554         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2555         add hpux-stdint.h to tm_file.
2556         (hppa[12]*-*-hpux11*): Ditto.
2557         (ia64*-*-hpux*): Ditto.
2558         * config/hpux-stdint.h: New.
2559         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2560         __STDC_EXT__ for all compiles.
2561         * config/pa/pa-hpux.h: Ditto.
2562         * config/pa/pa-hpux10.h: Ditto.
2563         * config/pa/pa-hpux11.h: Ditto.
2564
2565 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2566
2567         * debug.h (set_name): Add comment.
2568
2569 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2570
2571         PR target/39929
2572         * config/darwin.c (machopic_gen_offset): Check
2573         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2574         * config/arm/arm.c (require_pic_register): Likewise.
2575
2576 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2577
2578         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2579         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2580         m32c_promote_prototypes): Delete.
2581
2582 2009-04-28  Michael Matz  <matz@suse.de>
2583
2584         PR middle-end/39922
2585         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2586         constants.
2587
2588 2009-04-28  Richard Guenther  <rguenther@suse.de>
2589
2590         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2591
2592 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2593
2594         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2595         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2596         * config/arm/arm-tune.md: Regenerate.
2597
2598 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2599
2600         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2601         block if there are complex incoming edges.
2602         (sel_merge_blocks): Remove useless assert.
2603         (sel_redirect_edge_and_branch): Check that edge was redirected.
2604         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2605         (sel_find_rgns): Delete declaration.
2606         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2607         the region when it is not a preheader.
2608
2609 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2610
2611         PR c/39323
2612         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2613
2614 2009-04-28  Richard Guenther  <rguenther@suse.de>
2615
2616         * tree.h (SSA_NAME_VALUE): Remove.
2617         (struct tree_ssa_name): Remove value_handle member.
2618         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2619         array for jump threading.
2620         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2621         SSA_NAME_VALUEs.
2622         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2623         * tree-flow.h (threadedge_initialize_values): Declare.
2624         (threadedge_finalize_values): Likewise.
2625         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2626         (SSA_NAME_VALUE): Define.
2627         (threadedge_initialize_values): New function.
2628         (threadedge_finalize_values): Likewise.
2629         * tree-ssa-dom.c (ssa_name_values): New global variable.
2630         (SSA_NAME_VALUE): Define.
2631         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2632
2633 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2634
2635         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2636         Use REPORT_VECTORIZED_LOCATIONS instead 
2637         REPORT_VECTORIZED_LOOPS.
2638         * tree-vectorizer.c (vect_verbosity_level): Make static.
2639         (vect_loop_location): Rename to vect_location.
2640         (vect_set_verbosity_level): Update comment.
2641         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2642         and vect_location.
2643         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2644         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2645         instead REPORT_UNVECTORIZED_LOOPS.
2646         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2647         and vect_loop_def to vect_external_def and vect_internal_def.
2648         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2649         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2650         REPORT_UNVECTORIZED_LOCATIONS.
2651         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2652         and vect_used_in_loop and to vect_unused_in_scope and 
2653         vect_used_in_scope.
2654         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2655         (vect_verbosity_level): Remove declaration.
2656         (vect_analyze_operations): Likewise.
2657         (vect_analyze_stmt): Declare.
2658         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2659         REPORT_UNVECTORIZED_LOCATIONS.
2660         (vect_get_loop_niters): Fix indentation.
2661         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2662         (vect_analyze_loop_operations): New function.
2663         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2664         vect_analyze_operations.
2665         (vect_is_simple_reduction): Use new names.
2666         (vectorizable_live_operation, vect_transform_loop): Likewise.
2667         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2668         to specify whether the data references can be a part of interleaving
2669         chain.
2670         (vect_analyze_data_ref_dependence): Use new names.
2671         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2672         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2673         * tree-vect-patterns.c (widened_name_p): Use new names.
2674         (vect_recog_dot_prod_pattern): Likewise.
2675         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2676         (process_use, vect_mark_stmts_to_be_vectorized, 
2677         vect_model_simple_cost, vect_model_store_cost,
2678         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2679         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2680         vectorizable_operation, vectorizable_type_demotion,
2681         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2682         vectorizable_condition): Likewise.
2683         (vect_analyze_operations): Split into vect_analyze_loop_operations
2684         and ...
2685         (vect_analyze_stmt): ... new function.
2686         (new_stmt_vec_info): Use new names.
2687         (vect_is_simple_use): Use new names and fix comment.
2688         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2689         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2690
2691 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2692
2693         PR target/39911
2694         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2695         and integer modes for x87 operands.  Do not ICE for unsupported size,
2696         generate error instead.  Generate error for unsupported operand types.
2697         ['z']: Do not handle HImode memory operands specially.  Warning
2698         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2699         types.  Do not ICE for unsupported size, generate error instead.
2700         (output_387_binary_op): Use %Z to output operands.
2701         (output_fp_compare): Ditto.
2702         (output_387_reg_move): Ditto.
2703
2704 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2705
2706         PR c++/35652
2707         Revert:
2708
2709         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2710
2711         * builtins.c (c_strlen): Do not warn here.
2712         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2713         * c-common.c (pointer_int_sum): Take an explicit location.
2714         Warn about offsets out of bounds.
2715         * c-common.h (pointer_int_sum): Adjust declaration.
2716
2717 2009-04-27  Ian Lance Taylor  <iant@google.com>
2718
2719         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2720         names to symkind.
2721         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2722         * df-core.c (df_set_flags): Change return type to int.  Change
2723         type of old_flags to int.
2724         (df_clear_flags): Likewise.
2725         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2726         (df_get_conditional_uses): Likewise.
2727         * df.h (df_set_flags, df_clear_flags): Update declarations.
2728         * dwarf2out.c (struct indirect_string_node): Change type of form
2729         field to enum dwarf_form.
2730         (AT_string_form): Change return type to enum dwarf_form.
2731         * fixed-value.c (fixed_compare): Add cast to enum type.
2732         * fwprop.c (update_df): Change 0 to VOIDmode.
2733         * gensupport.c: Change 0 to UNKNOWN.
2734         * gimple.h (gimple_cond_code): Add cast to enum type.
2735         * haifa-sched.c (reemit_notes): Add cast to enum type.
2736         * hooks.c (hook_int_void_no_regs): Remove function.
2737         * hooks.h (hook_int_void_no_regs): Remove declaration.
2738         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2739         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2740         * real.c (real_arithmetic): Add cast to enum type.
2741         (real_compare): Likewise.
2742         * target.h (struct gcc_target): Change return type of
2743         branch_target_register_class to enum reg_class.
2744         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2745         default_branch_target_register_class.
2746         * targhooks.c (default_branch_target_register_class): New function.
2747         * targhooks.h (default_branch_target_register_class): Declare.
2748         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2749         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2750         cast to int.
2751         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2752         ERROR_MARK.
2753         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2754         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2755         * tree-vect-stmts.c (supportable_widening_operation): Don't
2756         initialize icode1 and icode2.
2757         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2758         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2759         and to STD_C89.
2760         (cmn_err_flag_specs): Change 0 to STD_C89.
2761         (cmn_err_char_table): Likewise.
2762         * config/arm/arm.c (get_arm_condition_code): Change type of code
2763         to enum arm_cond_code.
2764         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2765         (IWMMXT_BUILTIN2): Likewise.
2766         (neon_builtin_type_bits): Don't define typedef.
2767         (neon_builtin_datum): Change type of bits field to int.
2768         (arm_expand_neon_args): Add cast to enum type.
2769         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2770         TLS_MODEL_NONE.
2771         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2772         casts to enum type.
2773         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2774         MIPS_FP_COND_f.
2775         * config/mips/mips.md (jal_macro): Return enum constant.
2776         (single_insn): Likewise.
2777         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2778         CODE_FOR_nothing.
2779         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2780         casts to enum type.
2781         * config/s390/s390.c (s390_tune_flags): Change type to int.
2782         (s390_arch_flags): Likewise.
2783         (s390_handle_arch_option): Change flags field of struct pta to int.
2784         * config/s390/s390.h (s390_tune_flags): Update declaration.
2785         (s390_arch_flags): Likewise.
2786         * config/sh/sh.c (prepare_move_operands): Compare
2787         tls_symbolic_operand result with enum constant.
2788         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2789         (sh_expand_prologue): Add cast to enum type.
2790         (sh_expand_epilogue): Likewise.
2791         (tls_symbolic_operand): Change return type to enum tls_model.
2792         (fpscr_set_from_mem): Add cast to enum type.
2793         (legitimize_pic_address): Compare tls_symbolic_operand result with
2794         enum constant.
2795         (sh_target_reg_class): Change return type to enum reg_class.
2796         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2797         PROCESSOR_xxx.
2798         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2799         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2800         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2801         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2802         (delayed_branch, tls_call_delay): Likewise.
2803         (eligible_for_sibcall_delay): Likewise.
2804         (eligible_for_return_delay): Likewise. 
2805         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2806         (spu_expand_builtin_1): Likewise.
2807
2808         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2809         for all types of conversions.
2810         (output_init_element): Issue -Wc++-compat warning if needed when
2811         initializing a bitfield with enum type.
2812         * c-parser.c (c_parser_expression): Set original_type to
2813         original_type of right hand operand of comman operator.
2814
2815 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2816
2817         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2818         grammar nits.
2819         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2820         * doc/cpp.texi (Standard Predefined Macros)
2821         (Implementation-defined behavior): Likewise.
2822         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2823         * doc/gimple.texi (GIMPLE Exception Handling)
2824         (@code{GIMPLE_ASSIGN}): Likewise.
2825         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2826         * doc/invoke.texi (Warning Options, Optimize Options)
2827         (AVR Options, Darwin Options): Likewise.
2828         (Optimize Options): Reformulate -fwhole-program description.
2829         * doc/loop.texi (Lambda): Likewise.
2830         * doc/md.texi (Output Template, Define Constraints)
2831         (Standard Names, Insn Splitting): Likewise.
2832         * doc/options.texi (Option properties): Likewise.
2833         * doc/passes.texi (Tree-SSA passes): Likewise.
2834         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2835         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2836         (File Names and DBX): Likewise.
2837         * doc/trouble.texi (Incompatibilities): Likewise.
2838
2839 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2840
2841         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2842         instruction is correct.
2843
2844 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2845
2846         Allow non-constant arguments to conversion intrinsics.
2847         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2848         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2849         * spu.c (print_operand): Handle 'v' and 'w'.
2850         (exp2_immediate_p, spu_gen_exp2): Define.
2851         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2852         spu_convtf_1): Update parameter descriptions.
2853         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2854         * constraints.md ('v', 'w'): New.
2855         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2856         Remove.
2857         (i2f, I2F): New define_mode_attr.
2858         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2859         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2860         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2861         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2862         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2863         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2864         patterns for combine.
2865
2866 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2867
2868         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2869         (cprop, hoist, pre, store_motion): New debug counters.
2870         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2871         is not an RTL pass anymore.
2872         (pass_profiling): Remove extern decl for pass removed in 2005.
2873         (pass_gcse, pass_jump_bypass): Remove.
2874         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2875         to 0 for clean state.
2876         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2877         * cse.c (gate_handle_cse_after_global_opts,
2878         rest_of_handle_cse_after_global_opts): New functions.
2879         (pass_cse_after_global_opts): New pass, does local CSE.
2880         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2881         (TV_CPROP): New timevar.
2882         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2883         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2884         (gcse_main, recompute_all_luids): Remove.
2885         (compute_hash_table_work): Call max_reg_num instead of reading
2886         max_gcse_regno.
2887         (cprop_jump): Don't set run_jump_opt_after_gcse.
2888         (constprop_register): Always allow to alter jumps.
2889         (cprop_insn): Likewise.
2890         (do_local_cprop): Likewise.
2891         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2892         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2893         (find_implicit_sets): Add note about missed optimization opportunity.
2894         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2895         pass_rtl_cprop execute function.
2896         Don't bother tracking the pass number, each pass gets its own dumpfile
2897         now anyway.
2898         Always allow to alter jumpsand bypass jumps.
2899         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2900         will just find no suitable set.
2901         (pre_edge_insert): Fix dumping, this function is for PRE only.
2902         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2903         pass_rtl_pre execute function.
2904         (hoist_code): Return non-zero if something changed.  Keep track of
2905         substitutions and insertions for statistics gathering similar to PRE.
2906         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2907         called from the pass_rtl_hoist execute function.  Show pass statistics.
2908         (compute_store_table): Use max_reg_num directly instead of using the
2909         formerly global max_gcse_regno.
2910         (build_store_vectors): Likewise.
2911         (replace_store_insn): Fix dumping.
2912         (store_motion): Rename to ...
2913         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2914         pass, called from the pass_rtl_store_motion execute function.  Keep
2915         track of substitutions and insertions for statistics gathering similar
2916         to PRE.
2917         (bypass_jumps): Remove, fold interesting bits into ...
2918         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2919         from the pass_rtl_cprop execute function.
2920         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2921         pass_jump_bypass): Remove.
2922         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2923         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2924         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2925         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2926         (gate_rtl_store_motion, execute_rtl_store_motion,
2927         pass_rtl_store_motion): New.
2928         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2929         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2930         * passes.c (init_optimization_passes): Remove pass_gcse and
2931         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2932         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2933         instead of pass_jump_bypass.
2934
2935 2009-04-27  Richard Guenther  <rguenther@suse.de>
2936
2937         PR middle-end/39928
2938         * gimplify.c (gimplify_expr): If we are required to create
2939         a temporary make sure it ends up as register.
2940
2941 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2942
2943         PR target/39903
2944         * config/i386/i386.c (construct_container): Don't call
2945         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2946         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2947
2948 2009-04-27  Michael Matz  <matz@suse.de>
2949
2950         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2951         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2952         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2953         (dump_replaceable_exprs): Take a bitmap.
2954         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2955         array.
2956         (expand_gimple_basic_block): Likewise.
2957         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2958         replaceable_expressions member a bitmap.
2959         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2960         (mark_replaceable): Likewise.
2961         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2962         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2963
2964 2009-04-27  Richard Guenther  <rguenther@suse.de>
2965
2966         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2967         (verify_stmts): Dispatch to gimple/type verification code.
2968         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2969         issue with call argument types.
2970
2971 2009-04-27  Michael Matz  <matz@suse.de>
2972
2973         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2974         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2975         to above.
2976
2977 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2978             Eric Botcazou  <ebotcazou@adacore.com>
2979
2980         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2981         a label's basic block.
2982         (mark_target_live_regs): Tidy and rework obsolete comments.
2983         Change back DF problem to LIVE.  If a label starts a basic block,
2984         assume that all registers that used to be live then still are.
2985         (init_resource_info): If a label starts a basic block, set its
2986         BLOCK_FOR_INSN accordingly.
2987         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2988
2989 2009-04-27  Richard Guenther  <rguenther@suse.de>
2990
2991         * tree-flow-inline.h (function_ann): Remove.
2992         (get_function_ann): Likewise.
2993         * tree-dfa.c (create_function_ann): Remove.
2994         * tree-flow.h (struct static_var_ann_d): Remove.
2995         (struct function_ann_d): Likewise.
2996         (union tree_ann_d): Remove fdecl member.
2997         (function_ann_t): Remove.
2998         (function_ann, get_function_ann, create_function_ann): Remove
2999         declarations.
3000
3001 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3002
3003         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3004
3005 2009-04-27  Jan Hubicka  <jh@suse.cz>
3006
3007         * ipa-pure-const.c (struct funct_state_d): New fields
3008         state_previously_known, looping_previously_known; remove
3009         state_set_in_source.
3010         (analyze_function): Use new fields.
3011         (propagate): Avoid assumption that state_set_in_source imply
3012         nonlooping.
3013
3014         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3015         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3016         * cfgloop.h (finite_loop_p): Declare.
3017
3018 2009-04-26  Michael Matz  <matz@suse.de>
3019
3020         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3021
3022 2009-04-26  Michael Matz  <matz@suse.de>
3023
3024         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3025         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3026         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3027         pass_mark_used_blocks): Remove.
3028         * tree-optimize.c (pass_free_datastructures,
3029         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3030         * passes.c (init_optimization_passes): Don't call
3031         pass_mark_used_blocks, remove dead code.
3032
3033 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3034
3035         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3036         * tree-ssa-live.h (register_ssa_partition): Likewise.
3037
3038 2009-04-26  Michael Matz  <matz@suse.de>
3039
3040         Expand from SSA.
3041         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3042         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3043         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3044         SSA names. 
3045         (compare_pairs): Swap cost comparison.
3046         (coalesce_ssa_name): Don't use change_partition_var.
3047         * tree-nrv.c (struct nrv_data): Add modified member.
3048         (finalize_nrv_r): Set it.
3049         (tree_nrv): Use it to update statements.
3050         (pass_nrv): Require PROP_ssa.
3051         * tree-mudflap.c (mf_decl_cache_locals,
3052         mf_build_check_statement_for): Use make_rename_temp.
3053         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3054         * alias.c (find_base_decl): Handle SSA names.
3055         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3056         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3057         * rtl.h (set_reg_attrs_for_parm): Declare.
3058         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3059         to "optimized", remove unused locals at finish.
3060         (execute_free_datastructures): Make global, call
3061         delete_tree_cfg_annotations.
3062         (execute_free_cfg_annotations): Don't call
3063         delete_tree_cfg_annotations.
3064
3065         * ssaexpand.h: New file.
3066         * expr.c (toplevel): Include ssaexpand.h.
3067         (expand_assignment): Handle SSA names the same as register variables.
3068         (expand_expr_real_1): Expand SSA names.
3069         * cfgexpand.c (toplevel): Include ssaexpand.h.
3070         (SA): New global variable.
3071         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3072         (SSAVAR): New macro.
3073         (set_rtl): New helper function.
3074         (add_stack_var): Deal with SSA names, use set_rtl.
3075         (expand_one_stack_var_at): Likewise.
3076         (expand_one_stack_var): Deal with SSA names.
3077         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3078         before unique numbers.
3079         (expand_stack_vars): Use set_rtl.
3080         (expand_one_var): Accept SSA names, add asserts for them, feed them
3081         to above subroutines.
3082         (expand_used_vars): Expand all partitions (without default defs),
3083         then only the local decls (ignoring those expanded already).
3084         (expand_gimple_cond): Remove edges when jumpif() expands an
3085         unconditional jump.
3086         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3087         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3088         SSA name.
3089         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3090         members of SA; deal with PARM_DECL partitions here; expand
3091         all PHI nodes, free tree datastructures and SA.  Commit instructions
3092         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3093         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3094         info and statements at start, collect garbage at finish.
3095         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3096         (VAR_ANN_PARTITION) Remove.
3097         (change_partition_var): Don't declare.
3098         (partition_to_var): Always return SSA names.
3099         (var_to_partition): Only accept SSA names.
3100         (register_ssa_partition): Only check argument.
3101         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3102         member.
3103         (delete_var_map): Don't free it.
3104         (var_union): Only accept SSA names, simplify.
3105         (partition_view_init): Mark only useful SSA names as used.
3106         (partition_view_fini): Only deal with SSA names.
3107         (change_partition_var): Remove.
3108         (dump_var_map): Use ssa_name instead of partition_to_var member.
3109         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3110         basic blocks.
3111         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3112         (struct _elim_graph): New member const_dests; nodes member vector of
3113         ints.
3114         (set_location_for_edge): New static helper.
3115         (create_temp): Remove.
3116         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3117         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3118         (new_elim_graph): Allocate const_dests member.
3119         (clean_elim_graph): Truncate const_dests member.
3120         (delete_elim_graph): Free const_dests member.
3121         (elim_graph_size): Adapt to new type of nodes member.
3122         (elim_graph_add_node): Likewise.
3123         (eliminate_name): Likewise.
3124         (eliminate_build): Don't take basic block argument, deal only with
3125         partition numbers, not variables.
3126         (get_temp_reg): New static helper.
3127         (elim_create): Use it, deal with RTL temporaries instead of trees.
3128         (eliminate_phi): Adjust all calls to new signature.
3129         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3130         (rewrite_trees): Only do checking.
3131         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3132         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3133         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3134         contains_tree_r, MAX_STMTS_IN_LATCH,
3135         process_single_block_loop_latch, analyze_edges_for_bb,
3136         perform_edge_inserts): Remove.
3137         (expand_phi_nodes): New global function.
3138         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3139         functions, initialize new parameter, remember partitions having a
3140         default def.
3141         (finish_out_of_ssa): New global function.
3142         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3143         don't reset in_ssa_p here, don't disable TER when mudflap.
3144         (pass_del_ssa): Remove.
3145         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3146         partition members.
3147         (execute_free_datastructures): Declare.
3148         * Makefile.in (SSAEXPAND_H): New variable.
3149         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3150         * basic-block.h (commit_one_edge_insertion): Declare.
3151         * passes.c (init_optimization_passes): Move pass_nrv and
3152         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3153         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3154         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3155         (redirect_branch_edge): Deal with super block when expanding, split
3156         out jump patching itself into ...
3157         (patch_jump_insn): ... here, new static helper.
3158
3159 2009-04-26  Michael Matz  <matz@suse.de>
3160
3161         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3162         beyond num_ssa_names.
3163         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3164         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3165
3166 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3167
3168         PR inline-asm/39543
3169         * fwprop.c (forward_propagate_asm): New function.
3170         (forward_propagate_and_simplify): Propagate also into __asm, if it
3171         doesn't increase the number of referenced registers.
3172
3173         PR c/39889
3174         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3175
3176 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3177
3178         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3179         note_nonlocal_vla_type for nonlocal VLAs.
3180         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3181         contains_remapped_vars, remap_vla_decls): New functions.
3182         (convert_nonlocal_reference_stmt): If not optimizing, call
3183         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3184         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3185         if it wasn't found in var_map.
3186         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3187         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3188         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3189         declare_vars.
3190         * gimplify.c (nonlocal_vlas): New variable.
3191         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3192         referenced VLAs.
3193         (gimplify_body): Create and destroy nonlocal_vlas.
3194
3195         * dwarf2out.c (loc_descr_plus_const): New function.
3196         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3197         mem_loc_descriptor, loc_descriptor_from_tree_1,
3198         descr_info_loc, gen_variable_die): Use it.
3199
3200         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3201         !TREE_STATIC VAR_DECLs.
3202         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3203         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3204         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3205         DECL_BY_REFERENCE is valid.
3206         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3207         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3208         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3209         Copy DECL_BY_REFERENCE.
3210         (struct nesting_copy_body_data): New type.
3211         (nesting_copy_decl): New function.
3212         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3213         if they have variable length.
3214
3215 2009-04-26  Michael Matz  <matz@suse.de>
3216
3217         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3218         mark new temporaries for renaming.
3219
3220 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3221
3222         PR c/39581
3223         * c-decl.c (global_bindings_p): Return negative value.
3224         (c_variable_size): New.  Based on variable_size from
3225         stor-layout.c.
3226         (grokdeclarator): Call c_variable_size not variable_size.
3227
3228 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3229
3230         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3231
3232 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3233
3234         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3235         Redefine it to just use mingw/include.
3236         (ASM_SPEC): Rules for -m32 and -m64.
3237         (LINK_SPEC): Use Likewise.
3238         (SPEC_32): New define.
3239         (SPEC_64): Likewise.
3240         (SUB_LINK_SPEC): Likewise.
3241         (MULTILIB_DEFAULTS): New define.
3242         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3243         Add multilib options.
3244         (MULTILIB_DIRNAMES): Likewise.
3245         (MULTILIB_OSDIRNAMES): Likewise.
3246         (LIBGCC): Likewise.
3247         (INSTALL_LIBGCC): Likewise.
3248
3249 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3250
3251         PR c/39556
3252         * c-tree.h (enum c_inline_static_type): New.
3253         (record_inline_static): Declare.
3254         * c-decl.c (struct c_inline_static, c_inline_statics,
3255         record_inline_static, check_inline_statics): New.
3256         (pop_file_scope): Call check_inline_statics.
3257         (start_decl): Call record_inline_static instead of pedwarning
3258         directly for static in inline function.
3259         * c-typeck.c (build_external_ref): Call record_inline_static
3260         instead of pedwarning directly for static referenced in inline
3261         function.
3262
3263 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3264
3265         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3266         not new but only being rescanned.
3267         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3268         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3269         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3270         record_set_info, compute_set, grealloc): Remove.
3271         (recompute_all_luids): New function.
3272         (gcse_main): Don't compute sets, and don't do related memory
3273         allocations/free-ing.  If something changed before the end of the
3274         pass, update LUIDs using recompute_all_luids.
3275         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3276         (free_gcse_mem): Don't free it either.
3277         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3278         Use the df insn LUIDs.
3279         (load_killed_in_block): Likewise.
3280         (compute_hash_table_work): Don't compute reg_set_in_block.
3281         (compute_transp): Use DF_REG_DEF_CHAINs.
3282         (local_cprop_pass): Don't use compute_sets and related functions.
3283         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3284         Use get_max_uid() instead of max_cuid.
3285         (insert_insn_end_basic_block, pre_insert_copy_insn,
3286         update_ld_motion_stores): Don't try to
3287         keep reg_set tables up to date.
3288         (pre_insert_copies): Use df insn LUIDs.
3289         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3290         (reg_set_info): Don't use extra bitmap argument.
3291         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3292         information to compute regs_set_in_block.
3293         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3294         (bypass_jumps): Don't use compute_sets and friends.
3295
3296 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3297
3298         PR testsuite/39710
3299         * opts.c (undocumented_msg): Do not leave blank even with
3300         ENABLE_CHECKING.
3301
3302 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3303
3304         * c-decl.c (build_enumerator): Allow values folding to integer
3305         constants but not integer constant expressions with a pedwarn if
3306         pedantic.
3307
3308 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3309
3310         PR c/39582
3311         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3312         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3313         type is an integer constant.
3314
3315 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3316
3317         PR target/39897
3318         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3319         HImode operands.
3320
3321 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3322
3323         PR c/39564
3324         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3325         with variably modified return type and no storage class
3326         specifiers, except for the case of nested functions.  Distinguish
3327         extern declarations of functions with variably modified return
3328         types from those of objects with variably modified types.
3329
3330 2009-04-25  Jan Hubicka  <jh@suse.cz>
3331
3332         * tree.c (list_equal_p): New function.
3333         * tree.h (list_equal_p): Declare.
3334         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3335         basic_block_def, basic_block, const_basic_block): New.
3336         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3337         (redirect_eh_edge): New function.
3338         (make_eh_edge_update_phi): EH edges are not abnormal.
3339         * except.c: Include tree-flow.h.
3340         (list_match): New function.
3341         (eh_region_replaceable_by_p): New function.
3342         (replace_region): New function.
3343         (hash_type_list): New function.
3344         (hash_eh_region): New function.
3345         (eh_regions_equal_p): New function.
3346         (merge_peers): New function.
3347         (remove_unreachable_regions): Verify EH tree when checking;
3348         merge peers.
3349         (copy_eh_region_1): New function.
3350         (copy_eh_region): New function.
3351         (push_reachable_handler): New function.
3352         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3353         regions without label but with live RESX.
3354         * except.h (redirect_eh_edge_to_label): New.
3355         * tree-flow.h (redirect_eh_edge): New.
3356         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3357         basic_block_def, basic_block, const_basic_block): Remove.
3358         * Makefile.in (except.o): Add dependency on tree-flow.h
3359         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3360         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3361         Remove.
3362
3363 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3364
3365         PR bootstrap/39645
3366         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3367         on the destination of memcpy.
3368
3369 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3370
3371         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3372         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3373         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3374
3375 2009-04-25  Jan Hubicka  <jh@suse.cz>
3376
3377         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3378         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3379         to be reached by different label than left.
3380         (update_eh_edges): Update comment; remove edge_to_remove if possible
3381         and return true if suceeded.
3382         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3383         (cleanup_eh): Compute sharing map.
3384         * except.c (remove_eh_handler_and_replace): Add argument if we should
3385         update regions.
3386         (remove_unreachable_regions): Update for label sharing.
3387         (label_to_region_map): Likewise.
3388         (get_next_region_sharing_label): New function.
3389         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3390         prev_try pointers.
3391         (remove_eh_handler): Update.
3392         (remove_eh_region_and_replace_by_outer_of): New function.
3393         * except.h (struct eh_region): Add next_region_sharing_label.
3394         (remove_eh_region_and_replace_by_outer_of,
3395         get_next_region_sharing_label): Declare.
3396         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3397
3398 2009-04-25  Jan Hubicka  <jh@suse.cz>
3399
3400         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3401         insert code even if they are not critical.
3402
3403 2009-04-25  Jan Hubicka  <jh@suse.cz>
3404
3405         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3406         (gimple_can_remove_branch_p): EH edges won't remove branch by
3407         redirection.
3408         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3409         updating of non-abnormal EH edges.
3410         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3411         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3412         (split_critical_edges): Split also edges where emitting code on them
3413         will lead to splitting later.
3414
3415 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3416             H.J. Lu  <hongjiu.lu@intel.com>
3417
3418         PR target/39590
3419         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3420         the configured assembler supports fildq and fistpq mnemonics.
3421         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3422         * configure: Regenerated.
3423         * config.in: Ditto.
3424
3425         * config/i386/i386.c (print_operand): Handle 'Z'.
3426         ['z']: Remove handling of special fild/fist suffixes.
3427         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3428         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3429         suffix of fild insn.
3430         (*floatsi<mode>2_vector_mixed): Ditto.
3431         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3432         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3433         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3434         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3435         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3436
3437 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3438  
3439         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3440         the source of a set operation.
3441
3442 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3443
3444         * target.h (struct gcc_target): Add case_values_threshold field.
3445         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3446         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3447         * targhooks.c (default_case_values_threshold): New function.
3448         * targhooks.h (default_case_values_threshold): Declare function.
3449         * stmt.c (expand_case): Use case_values_threshold target hook.
3450         * expr.h (case_values_threshold): Remove declartation.
3451         * expr.c (case_values_threshold): Remove function.
3452         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3453
3454         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3455         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3456         (avr_case_values_threshold): Declare as static.
3457         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3458
3459         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3460         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3461         (mn10300_case_values_threshold): New function.
3462
3463 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3464
3465         * ira.c (setup_cover_and_important_classes): Add enum cast.
3466
3467 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3468
3469         * genpreds.c (write_enum_constraint_num): Output definition of
3470         CONSTRAINT_NUM_DEFINED_P macro.
3471         * ira.c (setup_cover_and_important_classes): Use
3472         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3473         
3474 2009-04-24  DJ Delorie  <dj@redhat.com>
3475
3476         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3477         __SH2A_SINGLE_ONLY__ also.
3478
3479 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3480
3481         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3482         (movdf_internal): Ditto.
3483         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3484         SFmode and DFmode constants.
3485         (ia64_print_operand): Add 'G' format for printing
3486         floating point constants.
3487
3488 2009-04-24  Richard Guenther  <rguenther@suse.de>
3489
3490         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3491         from unsigned additions.
3492
3493 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3494
3495         * c-typeck.c (set_init_index): Allow array designators that are
3496         not integer constant expressions with a pedwarn if pedantic.
3497
3498 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3499
3500         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3501         zero if no overlap in nonzero bits between the operands.
3502
3503 2009-04-24  Ian Lance Taylor  <iant@google.com>
3504
3505         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3506         (record_dead_and_set_regs): Likewise.
3507         * df.h (struct df_mw_hardreg): Change flags field to int.
3508         (struct df_base_ref): Likewise.
3509         (struct df): Change changeable_flags field to int.
3510         * df-scan.c (df_defs_record): Change clobber_flags to int.
3511         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3512         constants rather than #define macros.
3513         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3514         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3515         (enum dwarf_calling_convention): Likewise.
3516         (enum dwarf_line_number_x_ops): Likewise.
3517         (enum dwarf_call_frame_info): Likewise.
3518         (enum dwarf_source_language): Likewise.
3519         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3520         (add_calling_convention_attribute): Likewise.
3521         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3522         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3523         * genrecog.c (maybe_both_true_2): Change c to int.
3524         (write_switch): Likewise.  Add cast to enum type.
3525         * gimplify.c (gimplify_omp_for): Handle return values from
3526         gimplify_expr using MIN rather than bitwise or.
3527         (gimplify_expr): Add cast to enum type.
3528         * ipa-prop.c (update_jump_functions_after_inlining): Change
3529         IPA_BOTTOM to IPA_JF_UNKNOWN.
3530         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3531         Add casts to enum type.
3532         (setup_cover_and_important_classes): Change cl to int.  Add casts
3533         to enum type.
3534         (setup_class_translate): Change cl and mode to int.
3535         (ira_init_once): Change mode to int.
3536         (free_register_move_costs): Likewise.
3537         (setup_prohibited_mode_move_regs): Add casts to enum type.
3538         * langhooks.c (add_builtin_function_common): Rework assertion that
3539         value fits bitfield.
3540         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3541         * omega.c (omega_do_elimination): Avoid math on enum types.
3542         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3543         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3544         int local to handle integral_argment value.
3545         * regmove.c (try_auto_increment): Change PUT_MODE to
3546         PUT_REG_NOTE_KIND.
3547         * reload.c (push_secondary_reload): Add casts to enum type.
3548         (secondary_reload_class, find_valid_class): Likewise.
3549         * reload1.c (emit_input_reload_insns): Likewise.
3550         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3551         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3552         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3553         constant.
3554         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3555         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3556         enum type.
3557         (expand_complex_libcall): Add casts to enum type.
3558         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3559         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3560         with ERROR_MARK, not NUM_TREE_CODES.
3561         (vect_create_epilog_for_reduction): Likewise.
3562         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3563         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3564         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3565         enum machine_mode.
3566         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3567         vect_unused_in_loop.  Change 0 to loop_vect.
3568         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3569         * var-tracking.c (get_init_value): Change return type to enum
3570         var_init_status.
3571         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3572         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3573         arm_fp_model.
3574         (arm_override_options): Add casts to enum type.
3575         (arm_emit_tls_decoration): Likewise.
3576         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3577         to enum type.
3578         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3579         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3580         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3581         enum type.
3582         * config/s390/s390.c (code_for_builtin_64): Change to array of
3583         enum insn_code.
3584         (code_for_builtin_31): Likewise.
3585         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3586         const *.
3587         * config/sparc/sparc.c (sparc_override_options): Change value
3588         field in struct code_model to enum cmodel.  In initializer change
3589         0 to NULL and add cast to enum type.
3590
3591         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3592         Change all callers.  Issue a -Wc++-compat warning using
3593         lhs_origtype if necessary.
3594         (convert_for_assignment): Issue -Wc++-compat warnings about
3595         invalid conversions to enum type on assignment.
3596         * c-common.h (build_modify_expr): Update declaration.
3597
3598 2009-04-24  Nick Clifton  <nickc@redhat.com>
3599
3600         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3601         (function_arg_advance): Likewise.
3602         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3603         5th alternative.
3604
3605 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3606
3607         * config/s390/constraints.md ('I', 'J'): Fix condition.
3608
3609 2009-04-24  Diego Novillo  <dnovillo@google.com>
3610
3611         * gengtype-parse.c (parse_error): Add newline after message.
3612
3613 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3614
3615         * config/i386/sse.md (avxmodesuffixs): Removed.
3616         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3617         (*avx_pinsr<ssevecsize>): This.
3618
3619 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3620
3621         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3622         follow chains of regs with a single definition, and allow expressions
3623         that are function_invariant_p.
3624         (simple_rhs_p): Allow expressions that are function_invariant_p.
3625
3626 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3627
3628         PR middle-end/39867
3629         * fold-const.c (fold_cond_expr_with_comparison): When folding
3630         > and >= to MAX, make sure the MAX uses the same type as the
3631         comparison's operands.
3632
3633 2009-04-24  Nick Clifton  <nickc@redhat.com>
3634
3635         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3636         addressing for DImode accesses.
3637         (frv_print_operand_address): Handle PLUS case.
3638         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3639
3640 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3641
3642         PR rtl-optimization/39794
3643         * alias.c (canon_true_dependence): Add x_addr argument.
3644         * rtl.h (canon_true_dependence): Adjust prototype.
3645         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3646         * cselib.c (cselib_invalidate_mem): Likewise.
3647         * gcse.c (compute_transp): Likewise.
3648         * dse.c (scan_reads_nospill): Likewise.
3649         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3650         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3651         canon_base_addr of the group, plus optional offset.
3652         (struct group_info): Rename canon_base_mem to
3653         canon_base_addr.
3654         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3655         canon_rtx of base_mem.
3656
3657 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3658
3659         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3660         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3661
3662 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3663
3664         * config/spu/spu-builtins.h: Delete file.
3665
3666         * config/spu/spu.h (enum spu_builtin_type): Move here from
3667         spu-builtins.h.
3668         (struct spu_builtin_description): Likewise.  Add GTY marker.
3669         Do not use enum spu_function_code or enum insn_code.
3670         (spu_builtins): Add extern declaration.
3671
3672         * config/spu/spu.c: Do not include "spu-builtins.h".
3673         (enum spu_function_code, enum spu_builtin_type_index,
3674         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3675         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3676         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3677         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3678         (spu_builtin_types): Make static.  Add GTY marker.
3679         (spu_builtins): Add extern declaration with GTY marker.
3680         Include "gt-spu.h".
3681
3682         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3683         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3684         Check programmatically whether all parameters are scalar.
3685
3686         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3687
3688 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3689
3690         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3691         assignment from the constructor either if the target is volatile.
3692
3693 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3694
3695         * config/arm/arm.md (insv): Do not share operands[0].
3696
3697 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3698
3699         * config/vxlib-tls.c (active_tls_threads): Delete.
3700         (delete_hook_installed): New.
3701         (tls_delete_hook): Don't delete the delete hook.
3702         (tls_destructor): Delete it here.
3703         (__gthread_set_specific): Adjust installing the delete hook.
3704         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3705         __gthread_leave_tsd_dtor_context.
3706
3707 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3708
3709         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3710
3711 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3712
3713         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3714         enum type.
3715         (alpha_rtx_costs): Ditto.
3716         (emit_unlikely_jump): Use add_reg_note.
3717         (emit_frame_store_1): Ditto.
3718         (alpha_expand_prologue): Ditto.
3719         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3720         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3721
3722 2009-04-23  Nick Clifton  <nickc@redhat.com>
3723
3724         * config/v850/v850.md (epilogue): Remove suppressed code.
3725         (return): Rename to return_simple and remove test of frame size.
3726         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3727         to gen_return_simple.
3728
3729 2009-04-22  Jing Yu  <jingyu@google.com>
3730
3731         PR testsuite/39781
3732         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3733
3734 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3735
3736         PR C/31499
3737         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3738         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3739         value is a VECTOR_CST, the element type is the element type of the
3740         vector.
3741
3742 2009-04-22  DJ Delorie  <dj@redhat.com>
3743
3744         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3745
3746 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3747
3748         * alias.c (find_base_term): Move around LO_SUM case, so that
3749         CONST falls through into PLUS/MINUS handling.
3750
3751         PR c/39855
3752         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3753         into 0, use omit_one_operand.
3754
3755 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3756
3757         * config/rs6000/linux-unwind.h (get_regs): Remove type
3758         puns. Change the type of `pc' to an array of unsigned ints and
3759         update all users.  Constify frame24.
3760
3761 2009-04-22  DJ Delorie  <dj@redhat.com>
3762
3763         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3764         declarations before code.
3765         (current_function_special_page_vector): Likewise.
3766         (m32c_expand_insv): Silence a warning.
3767
3768 2009-04-21  Taras Glek  <tglek@mozilla.com>
3769
3770         * alias.c: Update GTY annotations to new syntax.
3771         * basic-block.h: Likewise.
3772         * bitmap.h: Likewise.
3773         * c-common.h: Likewise.
3774         * c-decl.c: Likewise.
3775         * c-parser.c: Likewise.
3776         * c-pragma.c: Likewise.
3777         * c-tree.h: Likewise.
3778         * cfgloop.h: Likewise.
3779         * cgraph.h: Likewise.
3780         * config/alpha/alpha.c: Likewise.
3781         * config/arm/arm.h: Likewise.
3782         * config/avr/avr.h: Likewise.
3783         * config/bfin/bfin.c: Likewise.
3784         * config/cris/cris.c: Likewise.
3785         * config/darwin.c: Likewise.
3786         * config/frv/frv.c: Likewise.
3787         * config/i386/i386.c: Likewise.
3788         * config/i386/i386.h: Likewise.
3789         * config/i386/winnt.c: Likewise.
3790         * config/ia64/ia64.h: Likewise.
3791         * config/iq2000/iq2000.c: Likewise.
3792         * config/mips/mips.c: Likewise.
3793         * config/mmix/mmix.h: Likewise.
3794         * config/pa/pa.c: Likewise.
3795         * config/pa/pa.h: Likewise.
3796         * config/rs6000/rs6000.c: Likewise.
3797         * config/s390/s390.c: Likewise.
3798         * config/sparc/sparc.c: Likewise.
3799         * config/xtensa/xtensa.c: Likewise.
3800         * cselib.h: Likewise.
3801         * dbxout.c: Likewise.
3802         * dwarf2out.c: Likewise.
3803         * except.c: Likewise.
3804         * except.h: Likewise.
3805         * fixed-value.h: Likewise.
3806         * function.c: Likewise.
3807         * function.h: Likewise.
3808         * gimple.h: Likewise.
3809         * integrate.c: Likewise.
3810         * optabs.c: Likewise.
3811         * output.h: Likewise.
3812         * real.h: Likewise.
3813         * rtl.h: Likewise.
3814         * stringpool.c: Likewise.
3815         * tree-data-ref.c: Likewise.
3816         * tree-flow.h: Likewise.
3817         * tree-scalar-evolution.c: Likewise.
3818         * tree-ssa-address.c: Likewise.
3819         * tree-ssa-alias.h: Likewise.
3820         * tree-ssa-operands.h: Likewise.
3821         * tree.c: Likewise.
3822         * tree.h: Likewise.
3823         * varasm.c: Likewise.
3824         * varray.h: Likewise.
3825         * vec.h: Likewise.
3826         * coretypes.h: Do not define GTY macro if it is already defined.
3827         * doc/gty.texi: Update GTY documentation to new syntax.
3828         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3829         annotations on structs.
3830         * gengtype-parse.c: Likewise.
3831
3832 2009-04-22  Mark Heffernan  <meheff@google.com>
3833
3834         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3835
3836 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3837
3838         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3839         where appropriate.
3840
3841 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3842
3843         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3844         the same as a PLUS without a shift.  Increase the cost of a
3845         CONST_INT in MULT.
3846
3847 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3848
3849         * Makefile.in: Update dependencies.
3850         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3851         * errors.h: Remove bogus comment about compatibility.
3852         (warning): Update declaration.
3853         * genautomata.c: Update all calls to warning.
3854         * gimple.c: Do not include errors.h. Include toplev.h.
3855         * tree-ssa-structalias.c: Do not include errors.h.
3856         * omega.c: Likewise.
3857         * tree-ssa-reassoc.c: Likewise.
3858         * config/spu/spu-c.c: Likewise.
3859         * config/spu/t-spu-elf: Update dependencies.
3860
3861 2009-04-22  Richard Guenther  <rguenther@suse.de>
3862
3863         PR tree-optimization/39824
3864         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3865         make sure the types are compatible.
3866
3867 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3868
3869         PR c++/14875
3870         * c-common.c (c_parse_error): Take a token_flags parameter.
3871         Use token_type for the token type instead.
3872         Pass token_flags to cpp_type2name.
3873         * c-common.h (c_parse_error): Update declaration.
3874         * c-parser.c (c_parser_error): Pass 0 as token flags.
3875
3876 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3877
3878         PR rtl-optimization/39580
3879         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3880         
3881 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3882
3883         * function.c (expand_function_end): Do not emit a jump to the "naked"
3884         return label for fall-through returns.
3885         * except.c (sjlj_emit_function_exit): Always place the call to the
3886         unregister function at the location installed by expand_function_end.
3887
3888 2009-04-22  Richard Guenther  <rguenther@suse.de>
3889
3890         PR tree-optimization/39845
3891         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3892         (gen_inbound_check): Likewise.
3893
3894 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3895
3896         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3897         padding for PPC.
3898         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3899         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3900
3901 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3902
3903         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3904         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3905         shift counts to avoid out-of-bounds array accesses.
3906
3907 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3908
3909         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3910         (Pmode): Move above.
3911
3912 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3913
3914         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3915         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3916         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3917         * config/alpha/alpha.h: Ditto.
3918         * config/alpha/alpha.md: Ditto.
3919         * config/alpha/constraints.md: Ditto.
3920         * config/alpha/predicates.md: Ditto.
3921         
3922 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3923
3924         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3925         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3926         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3927         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3928         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3929         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3930         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3931         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3932         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3933         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3934         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3935         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3936         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3937         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3938         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3939         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3940         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3941         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3942         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3943         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3944         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3945         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3946         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3947         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3948         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3949         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3950         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3951
3952 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3953
3954         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3955         references from comments.
3956         * cfgbuild.c: (count_basic_blocks): Delete.
3957         (find_basic_blocks_1): Delete.
3958         (find_basic_blocks): Delete.
3959         * except.c (finish_eh_generation): Make static.  Move comment from
3960         except.h here.  Remove find_basic_blocks references from comments.
3961         * except.h (finish_eh_generation): Delete.
3962         * basic-block.h (find_basic_blocks): Delete.
3963         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3964
3965 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3966
3967         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3968         (sdbout_parms):  Likewise.
3969
3970 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3971
3972         * config/sh/sh.c (prepare_cbranch_operands): Use
3973         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3974         (expand_cbranchdi4): Likewise.
3975         (from_compare): Add cast to enum type.
3976         (expand_cbranchsi4): Use add_reg_note.
3977         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3978         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3979         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3980         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3981         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3982         instead of CODE_FOR_nothing.
3983         (cbranchdi4): Likewise.  Fix the order of arguments for
3984         gen_rtx_fmt_ee.
3985         (push_fpscr): Use add_reg_note.
3986         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3987         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3988         
3989 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3990
3991         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3992         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3993         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3994         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3995         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3996         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3997         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3998         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3999         config/alpha/x-vms, config/arc/t-arc,
4000         config/arm/README-interworking, config/arm/arm-c.c,
4001         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4002         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4003         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4004         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4005         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4006         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4007         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4008         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4009         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4010         config/cris/t-elfmulti, config/crx/t-crx,
4011         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4012         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4013         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4014         config/h8300/t-h8300, config/i386/athlon.md,
4015         config/i386/darwin-libgcc.10.4.ver,
4016         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4017         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4018         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4019         config/i386/t-linux64, config/i386/t-nwld,
4020         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4021         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4022         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4023         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4024         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4025         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4026         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4027         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4028         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4029         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4030         config/m68k/t-uclinux, config/mcore/t-mcore,
4031         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4032         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4033         config/mips/crtn.asm, config/mips/irix-crti.asm,
4034         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4035         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4036         config/mips/mips-fixed.md, config/mips/sb1.md,
4037         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4038         config/mips/t-iris6, config/mips/t-isa3264,
4039         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4040         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4041         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4042         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4043         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4044         config/mn10300/t-linux, config/mn10300/t-mn10300,
4045         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4046         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4047         config/picochip/libgccExtras/clzsi2.asm,
4048         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4049         config/rs6000/darwin-libgcc.10.4.ver,
4050         config/rs6000/darwin-libgcc.10.5.ver,
4051         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4052         config/rs6000/t-aix43, config/rs6000/t-aix52,
4053         config/rs6000/t-darwin, config/rs6000/t-fprules,
4054         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4055         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4056         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4057         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4058         config/rs6000/t-rtems, config/rs6000/t-spe,
4059         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4060         config/score/t-score-elf, config/sh/divcost-analysis,
4061         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4062         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4063         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4064         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4065         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4066         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4067         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4068         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4069         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4070         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4071         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4072         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4073         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4074         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4075         * config/h8300/genmova.sh: Include copyright and license notices
4076         in generated output.
4077         * config/h8300/mova.md: Regenerate.
4078         * doc/install.texi2html: Include word "Copyright" in copyright
4079         notice and use name "Free Software Foundation, Inc.".
4080         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4081         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4082         ChangeLog-2007, ChangeLog-2008: Correct dates.
4083
4084 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4085
4086         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4087         NE_EXPR operations as well.
4088         * c-parser.c (c_parser_condition): Do not set location information on
4089         the condition.
4090         (c_parser_conditional_expression): Likewise.
4091         (c_parser_binary_expression): Set location information on operators.
4092         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4093         TRUTH_NOT_EXPR has been folded.
4094         * fold-const.c (fold_truth_not_expr): Copy location information from
4095         the incoming expression to the outgoing one.
4096         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4097         recursive calls on the LHS of the operator but pass that of the
4098         operator to recursive calls on the RHS of the operator.  Set it
4099         on the COND_EXPR.
4100         (shortcut_cond_expr): Set the locus of the operator on the second
4101         COND_EXPR and that of the expression on the first in degenerate cases.
4102         Pass the locus of the expression to calls to shortcut_cond_r.
4103         Set the locus of the 'then' block on the associated jump, if any.
4104         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4105         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4106         expression to call to gimplify_boolean_expr.
4107
4108 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4109
4110         * config.gcc: Add additional configuration for
4111         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4112         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4113         (CPP_SPEC): Redefine for allowing -municode option.
4114         (STARTFILE_SPEC): Likewise.
4115         * config/i386/t-mingw-w64: New.
4116         * config/i386/mingw-w64.opt: New.
4117         (municode): Add new target option.
4118         * doc/invoke.texi (municode): Add documentation for new option.
4119
4120 2009-04-21  Ian Lance Taylor  <iant@google.com>
4121
4122         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4123         Correct test for number of arguments.
4124         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4125
4126 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4127
4128         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4129         argument of emit_library_call.
4130
4131 2009-04-21  Richard Guenther  <rguenther@suse.de>
4132
4133         PR middle-end/39829
4134         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4135         inside VIEW_CONVERT_EXPRs.
4136
4137 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4138
4139         * tree-switch-conversion.c (build_constructors): Split a long line.
4140         (constructor_contains_same_values_p): New function.
4141         (build_one_array): Create assigns of constants if possible, do not
4142         call mark_sym_for_renaming, call update_stmt.
4143         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4144         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4145         update_stmt.
4146         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4147         find_new_referenced_vars, call update_stmt.
4148         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4149         instead of calling make_rename_temp.  Do not call
4150         find_new_referenced_vars or mark_symbols_for_renaming, call
4151         update_stmt.
4152
4153 2009-04-21  Richard Guenther  <rguenther@suse.de>
4154
4155         PR tree-optimization/39827
4156         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4157         (tree_ssa_phiprop): Pass the correct array size.
4158
4159 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4160
4161         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4162
4163 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4164
4165         PR 16202
4166         * c-typeck.c (lvalue_p): Move declaration ...
4167         * c-common.h (lvalue_p): ... to here.
4168         * c-common.c (candidate_equal_p): New.
4169         (add_tlist): Use it.
4170         (merge_tlist): Use it.
4171         (warn_for_collisions_1): Likewise.
4172         (warning_candidate_p): Accept more candidates.
4173         (verify_tree): A warning candidate can be an expression. Use
4174         candidate_equal_p.
4175
4176 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4177
4178         PR target/5267
4179         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4180         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4181         options.  Remove -mcall-solaris documentation.
4182
4183 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4184
4185         PR c++/13358
4186         * doc/invoke.texi (-Wlong-long): Update description.
4187         * c-lex (interpret_integer): Only warn if there was no previous
4188         overflow and -Wlong-long is enabled.
4189         * c-decl.c (declspecs_add_type): Drop redundant flags.
4190         * c.opt (Wlong-long): Init to -1.
4191         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4192         and front-end warn_long_long. Wlong-long only depends on other
4193         flags if it is uninitialized.
4194         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4195         the same for CPP and FE.
4196         (restore_extension_diagnostics): Likewise.
4197
4198 2009-04-20  Ian Lance Taylor  <iant@google.com>
4199
4200         Fix enum conversions which are invalid in C++:
4201         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4202         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4203         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4204         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4205         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4206         (dbxout_parms): Likewise.
4207         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4208         (df_clear_flags): Likewise.
4209         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4210         top_flag parameter to int.
4211         (df_chain_create_bb_process_use): Likewise.
4212         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4213         Remove cast.
4214         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4215         (df_ref_create_structure, df_def_record_1): Likewise.
4216         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4217         (df_notes_rescan): Change 0 to VOIDmode in function call.
4218         (df_get_call_refs, df_insn_refs_collect): Likewise.
4219         (df_bb_regs_collect): Likewise.
4220         (df_entry_block_defs_collect): Likewise.
4221         (df_exit_block_uses_collect): Likewise.
4222         * df.h: Update declarations.
4223         * double-int.c (double_int_divmod): Add cast to enum type.
4224         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4225         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4226         (based_loc_descr): Likewise.
4227         (loc_descriptor_from_tree_1): Change first_op and second_op to
4228         enum dwarf_location_atom.  Add cast to enum type.
4229         * expmed.c (init_expmed): Change 0 to SET in function call.
4230         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4231         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4232         (do_store_flag): Likewise.
4233         * fixed-value.h (struct fixed_value): Change mode to enum
4234         machine_mode.
4235         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4236         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4237         function call.
4238         (insert_insn_decl, insert_decl, insert_state): Likewise.
4239         (automata_list_finish): Likewise.
4240         * genrecog.c (process_define_predicate): Add cast to enum type.
4241         * gensupport.c (init_predicate_table): Add cast to enum type.
4242         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4243         function call.
4244         (gimple_build_call_1, gimple_build_label): Likewise.
4245         (gimple_build_goto, gimple_build_asm_1): Likewise.
4246         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4247         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4248         (enum fallback): Rename from enum fallback_t.
4249         (fallback_t): Typedef as int.
4250         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4251         GSI_SAME_STMT in function call.
4252         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4253         enum type.
4254         (setup_reg_class_relations): Likewise.
4255         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4256         (setup_prohibited_class_mode_regs): Add cast to enum type.
4257         (setup_prohibited_mode_move_regs): Likewise.
4258         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4259         (record_address_regs): Change i to enum reg_class.
4260         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4261         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4262         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4263         (GET_MODE_2XWIDER_MODE): Likewise.
4264         (GET_CLASS_NARROWEST_MODE): Likewise.
4265         * omp-low.c (expand_omp_for): Add cast to enum type.
4266         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4267         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4268         * postreload.c (reload_cse_simplify_operands): Change rclass local
4269         to enum reg_class.
4270         * predict.c (combine_predictions_for_insn): Change best_predictor
4271         and predictor to enum br_predictor.
4272         (combine_predictions_for_bb): Likewise.
4273         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4274         use SET_PREDICT_EXPR_OUTCOME.
4275         * real.c (real_arithmetic): Change icode to code in function call.
4276         * reginfo.c (init_move_cost): Add casts to enum type.
4277         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4278         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4279         enum reg_class.
4280         * reload.c (find_valid_class): Add casts to enum type.
4281         (push_reload): Change 0 to NO_REGS in function call.
4282         (find_reloads): Change this_alternative to array of enum
4283         reg_class.  Remove some now-unnecessary casts.
4284         (make_memloc): Change 0 to VOIDmode in function call.
4285         * reload1.c (reload): Change 0 to VOIDmode in function call.
4286         (eliminate_regs_1, elimination_effects): Likewise.
4287         (eliminate_regs_in_insn): Likewise.
4288         (emit_input_reload_insns): Add cast to enum type.
4289         (delete_output_reload): Change 0 to VOIDmode in function call.
4290         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4291         to enum type in function call.
4292         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4293         (SET_PREDICT_EXPR_OUTCOME): Define.
4294         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4295         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4296         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4297         (dump_function): Likewise.
4298         * tree-dump.h: Update declarations.
4299         * tree-pass.h: Update declarations.
4300         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4301         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4302         enum type.
4303         (arm_rtx_costs_1): Correct parenthesization.
4304         (arm_rtx_costs): Add casts to enum type.
4305         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4306         (vfp_emit_fstmd): Use add_rg_note.
4307         (emit_multi_reg_push, emit_sfm): Likewise.
4308         (thumb_set_frame_pointer): Likewise.
4309         (arm_expand_prologue): Likewise.
4310         (arm_regno_class): Change return type to enum reg_class.
4311         (thumb1_expand_prologue): Use add_reg_note.
4312         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4313         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4314         in function call.
4315         * config/arm/gentune.sh: Add cast to enum type.
4316         * config/arm/arm-tune.md: Rebuild.
4317         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4318         (ix86_split_fp_branch, predict_jump): Likewise.
4319         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4320         insn_code to enum rtx_code.
4321         (ix86_builtin_vectorized_function): Add cast to enum type.
4322         * config/i386/i386.md (truncdfsf2): Change slot to enum
4323         ix86_stack_slot.
4324         (truncxf<mode>2, isinf<mode>2): Likewise.
4325         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4326         enum type.
4327         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4328         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4329         (insert_bundle_state): Change 1 to INSERT in function call.
4330         (ia64_add_bundle_selector_before): Likewise.
4331         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4332         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4333         (restore_stack_nonlocal): Likewise.
4334         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4335         function call.
4336         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4337         function call.
4338         (mips_rtx_costs): Likewise.
4339         (mips_override_options): Add casts to enum type.
4340         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4341         in function call.
4342         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4343         (store_reg, set_reg_plus_d): Likewise.
4344         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4345         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4346         cast to enum type.
4347         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4348         function call.
4349         (emit_unlikely_jump): Use add_reg_note.
4350         (rs6000_emit_allocate_stack): Likewise.
4351         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4352         (output_toc): Change 1 to INSERT in function call.
4353         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4354         (rs6000_initialize_trampoline): Likewise.
4355         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4356         function call.
4357         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4358         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4359         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4360         (save_gprs): Use add_reg_note.
4361         (s390_emit_prologue): Likewise.
4362         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4363         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4364         (sparc_fold_builtin): Add cast to enum type.
4365         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4366         enum insn_code.
4367         (spu_expand_prologue): Use add_reg_note.
4368         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4369
4370 2009-04-20  Ian Lance Taylor  <iant@google.com>
4371
4372         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4373         (c_parser_postfix_expression_after_primary): Get VEC for list of
4374         arguments.  Get original types of arguments.  Call
4375         build_function_call_vec.
4376         (cached_expr_list_1, cached_expr_list_2): New static variables.
4377         (c_parser_expr_list): Change return type to VEC *.  Add
4378         p_orig_types parameter.  Change all callers.
4379         (c_parser_release_expr): New static function.
4380         (c_parser_vec_to_tree_list): New static function.
4381         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4382         call build_function_call_vec.
4383         (build_function_call_vec): New function, based on old
4384         build_function_call.
4385         (convert_arguments): Remove nargs and argarray parameters.  Change
4386         values to a VEC.  Add origtypes parameter.
4387         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4388         (convert_for_assignment): Add origtype parameter.  Change all
4389         callers.  If warn_cxx_compat, check for conversion to an enum
4390         type when calling a function.
4391         (store_init_value): Add origtype parameter.  Change all callers.
4392         (digest_init): Likewise.
4393         (struct init_node): Add origtype field.
4394         (add_pending_init): Add origtype parameter.  Change all callers.
4395         (output_init_element): Likewise.
4396         (output_pending_init_elements): Pass origtype from init_node to
4397         output_init_element.
4398         (process_init_element): Pass origtype from c_expr to
4399         output_init_element.
4400         (c_finish_return): Add origtype parameter.  Change all callers.
4401         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4402         caller.
4403         (sync_resolve_params): Likewise.
4404         (sync_resolve_return): Change params to first_param.  Change caller.
4405         (resolve_overloaded_builtins): Change params to VEC *.  Change
4406         callers.  Save first parameter around call to build_function_call_vec.
4407         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4408         callers.  Call build_function_call_vec rather than
4409         build_function_call for cleanup.
4410         * c-tree.h: Update declarations.
4411         * c-common.h: Update declarations.
4412         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4413         params to first_param.
4414         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4415         params parameter from tree to void *.
4416         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4417         Change arglist parameter to have type void *, and to be a pointer
4418         to a VEC.
4419         * config/rs6000/rs6000-protos.h
4420         (altivec_resolve_overloaded_builtin): Update declaration.
4421         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4422         fnargs parameter to have type void *, and to be a pointer to a
4423         VEC.  Call build_function_call_vec instead of
4424         build_function_call.
4425         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4426
4427 2009-04-20  Joey Ye  <joey.ye@intel.com>
4428             Xuepeng Guo  <xuepeng.guo@intel.com>
4429             H.J. Lu  <hongjiu.lu@intel.com>
4430
4431         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4432
4433         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4434         (IX86_LEA_PRIORITY): Likewise.
4435         (distance_non_agu_define): New function.
4436         (distance_agu_use): Likewise.
4437         (ix86_lea_for_add_ok): Likewise.
4438         (ix86_dep_by_shift_count): Likewise.
4439
4440         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4441         should split for LEA.
4442
4443         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4444         function.
4445         (ix86_dep_by_shift_count): Likewise.
4446
4447 2009-04-20  Richard Guenther  <rguenther@suse.de>
4448
4449         * expr.c (handled_component_p): Move ...
4450         * tree.h (handled_component_p): ... here.
4451         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4452         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4453         and REALPART_EXPR to be in one group.
4454
4455 2009-04-20  Richard Guenther  <rguenther@suse.de>
4456
4457         * basic-block.h (get_all_dominated_blocks): Declare.
4458         * dominance.c (get_all_dominated_blocks): New function.
4459         * tree-cfg.c (get_all_dominated_blocks): Remove.
4460         (remove_edge_and_dominated_blocks): Adjust.
4461         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4462         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4463         instead of recursing.
4464
4465 2009-04-20  Doug Kwan  <dougkwan@google.com>
4466
4467         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4468         (struct cgraph_node_set_def): New type.
4469         (cgraph_node_set) New type. Also declare vector functions.
4470         (struct cgraph_node_set_element_def): New type.
4471         (cgraph_node_set_element): Ditto.
4472         (cgraph_node_set_iterator): New iterator type.
4473         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4474         cgraph_node_set_remove, dump_cgraph_node_set,
4475         debug_cgraph_node_set): New prototypes.
4476         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4477         cgraph_node_set_size): New inlines.
4478         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4479         including cgraph.h.
4480         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4481         argument to function 'write_summary'.
4482         * ipa.c: Include ggc.h.
4483         (hash_cgraph_node_set_element,
4484         eq_cgraph_node_set_element, cgraph_node_set_new,
4485         cgraph_node_set_add, cgraph_node_set_remove,
4486         cgraph_node_set_find, dump_cgraph_node_set,
4487         debug_cgraph_node_set): New functions.
4488         * Makefile.in (ipa.o): Add dependency on GGC_H.
4489
4490 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4491
4492         PR tree-optimization/39675
4493         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4494         check of the return code of vect_schedule_slp. Check that
4495         stmt_vec_info still exists for the statement, before checking its
4496         vectorization type.
4497
4498 2009-04-20  Michael Matz  <matz@suse.de>
4499
4500         * Makefile.in (generated_files): Take out $(simple_generated_c).
4501
4502 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4503
4504         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4505         (UINTPTR_TYPE):  Likewise.
4506
4507 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4508
4509         PR c/37481
4510         * c-typeck.c (digest_init): Check for initializing an array with a
4511         string literal.
4512
4513 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4514
4515         PR c/19771
4516         * c-semantics.c (pop_stmt_list): Propagate
4517         STATEMENT_LIST_HAS_LABEL to parent statement list.
4518
4519 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4520
4521         * config/mips/mips.h (mips_tune_attr): New macro.
4522         * config/mips/mips.md (cpu): Use it.
4523
4524 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4525
4526         PR c/38243
4527         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4528         declaring a tag.
4529
4530 2009-04-19  Diego Novillo  <dnovillo@google.com>
4531
4532         * toplev.c (compile_file): Move call to coverage_finish ...
4533         * cgraphunit.c (ipa_passes): ... here.
4534         Call cgraph_process_new_functions.
4535         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4536         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4537
4538 2009-04-19  Jan Hubicka  <jh@suse.cz>
4539
4540         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4541         cfun.
4542         (dump_cgraph_node): Dump can throw external flag.
4543         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4544
4545 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4546
4547         PR c/32061
4548         PR c++/36954
4549         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4550         * common.opt (Wlogical-op): Move from here...
4551         * c.opt (Wlogical-op): ... to here.
4552         * c-typeck.c (parser_build_binary_op): Update call to
4553         warn_logical_operator.
4554         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4555         extra_warnings.
4556         * c-common.c (warn_logical_op): Update.
4557         * c-common.h (warn_logical_op): Update declaration.
4558
4559 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4560
4561         * tree.c (protected_set_expr_location): Fix formatting.
4562
4563 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4564
4565         PR c/27676
4566         * c-typeck.c (readonly_warning): new.
4567         (build_unary_op, build_modify_expr): Use readonly_warning for
4568         storing into something readonly but not const-qualified.
4569
4570 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4571
4572         PR c/22367
4573         * c-typeck.c (build_unary_op): Check for taking address of
4574         expression of type void.
4575
4576 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4577
4578         PR c/35210
4579         * c-typeck.c (build_function_call): Check for calling a function
4580         with qualified void return types.  Call require_complete_type when
4581         generating a trap.
4582
4583 2009-04-18  Jan Hubicka  <jh@suse.cz>
4584
4585         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4586         Set nothrow flag.
4587         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4588         can_throw_external flag.
4589         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4590         * ipa-pure-const.c (ignore_edge): New function.
4591         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4592         only over can_throw_external edges.
4593         (local_pure_const): Add nothrow flag.
4594         * ipa-utils.c (searchc): Add ignore_edge callback.
4595         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4596         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4597         (set_nothrow_function_flags): Update cgraph.
4598         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4599
4600 2009-04-18  Richard Guenther  <rguenther@suse.de>
4601
4602         PR middle-end/39804
4603         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4604         (fold_stmt): ... this and ...
4605         (fold_stmt_inplace): ... this.
4606         (fold_stmt_1): Fold references in calls and asms.
4607         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4608
4609 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4610
4611         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4612         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4613
4614 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4615
4616         * tree.c (function_args_count): Remove.
4617         * tree.h: Remove the prototype for function_args_count.
4618
4619 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4620
4621         * tree-iterator.c (expr_only): Remove.
4622         * tree.h: Remove the prototype for expr_only.
4623
4624 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4625
4626         * reginfo.c (cannot_change_mode_set_regs): Remove.
4627         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4628
4629 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4630
4631         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4632         whether operands 0 and 1 overlaps.
4633
4634 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4635
4636         PR middle-end/36902
4637         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4638         pointer. Use warning_at instead of warning.
4639         (search_for_addr_array): Likewise.
4640         (check_array_bounds): Likewise.
4641         (check_all_array_refs): Check that the incoming edge is not in the
4642         list of edges to be removed.
4643         (check_all_array_refs): Avoid the temporal pointer.
4644         (vrp_visit_cond_stmt): Fix typo.
4645         (simplify_switch_using_ranges): Handle the case where the switch
4646         index is an integer constant.
4647
4648 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4649
4650         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4651
4652 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4653
4654         * doc/extend.texi, doc/invoke.texi: Fix typos.
4655
4656 2009-04-17  Cary Coutant  <ccoutant@google.com>
4657
4658         * tree-flow-inline.h (get_lineno): Fix inverted test.
4659
4660 2009-04-17  Diego Novillo  <dnovillo@google.com>
4661
4662         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4663         assertion for AVAIL_OUT.
4664
4665 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4666
4667         PR target/38627
4668         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4669         * config/sh/linux-atomic.asm: Likewise.
4670
4671 2009-04-17  Diego Novillo  <dnovillo@google.com>
4672
4673         * except.c (debug_eh_tree): New.
4674         (struct eh_region, struct eh_status): Move ...
4675         * except.h: ... here.
4676         (add_type_for_runtime): Declare extern.
4677         (lookup_type_for_runtime): Likewise.
4678         (debug_eh_tree): Declare.
4679         * Makefile.in (GTFILES): List except.h before except.c
4680
4681 2009-04-17  Diego Novillo  <dnovillo@google.com>
4682
4683         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4684         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4685         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4686         (find_vars_r): ... here.
4687         * tree-flow.h (find_referenced_vars_in): Declare.
4688         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4689         that AVAIL_OUT exists for BLOCK.
4690         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4691         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4692         (tree-parloops.o): Likewise.
4693
4694 2009-04-17  Simon Baldwin  <simonb@google.com>
4695
4696         * toplev.c (default_tree_printer): Add handling for %E format.
4697
4698 2009-04-17  Diego Novillo  <dnovillo@google.com>
4699
4700         * tree-pretty-print.c (dump_generic_node): Add break after
4701         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4702         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4703         FUNCTION_TYPE together.  Call print_struct_decl when printing
4704         structures and TDF_SLIM is not given.
4705         (print_struct_decl): Fix logic for detecting recursion.
4706
4707 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4708
4709         PR 31567
4710         * gcc.c (create_at_file): New.
4711         (compile_input_file_p): New.
4712         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4713         * main.c (main): Update call to toplev_main.
4714         * toplev.c (toplev_main): Change signature. Call expandargv.
4715         * toplev.h (toplev_main): Change signature.
4716
4717 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4718
4719         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4720         if the latter is not constant.
4721
4722 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4723
4724         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4725
4726 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4727
4728         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4729         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4730
4731 2009-04-17  Richard Guenther  <rguenther@suse.de>
4732
4733         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4734         Handle component references view-converting an invariant address.
4735
4736 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4737
4738         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4739         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4740         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4741         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4742         Use @deftypevr rather than @deftypevar.
4743
4744 2009-04-17  Richard Guenther  <rguenther@suse.de>
4745
4746         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4747         (get_prop_source_stmt): Likewise.
4748         (can_propagate_from): Likewise.
4749
4750 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4751
4752         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4753         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4754         (--with-multilib-list): Add default value.
4755         * configure: Regenerate.
4756         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4757         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4758         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4759         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4760         Don't add default cpu to multilib list unnecessarily, but do enable
4761         the relevant compiler option..
4762         Add support for --with-multilib-list=<blank> and
4763         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4764         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4765         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4766         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4767         TM_MULTILIB_CONFIG.
4768         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4769         (MULTILIB_OSDIRNAMES): New variable.
4770         * config/sh/t-1e: Delete file.
4771         * config/sh/t-mlib-sh1: Delete file.
4772         * config/sh/t-mlib-sh2: Delete file.
4773         * config/sh/t-mlib-sh2a: Delete file.
4774         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4775         * config/sh/t-mlib-sh2a-single: Delete file.
4776         * config/sh/t-mlib-sh2a-single-only: Delete file.
4777         * config/sh/t-mlib-sh2e: Delete file.
4778         * config/sh/t-mlib-sh3e: Delete file.
4779         * config/sh/t-mlib-sh4: Delete file.
4780         * config/sh/t-mlib-sh4-nofpu: Delete file.
4781         * config/sh/t-mlib-sh4-single: Delete file.
4782         * config/sh/t-mlib-sh4-single-only: Delete file.
4783         * config/sh/t-mlib-sh4a: Delete file.
4784         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4785         * config/sh/t-mlib-sh4a-single: Delete file.
4786         * config/sh/t-mlib-sh4a-single-only: Delete file.
4787         * config/sh/t-mlib-sh4al: Delete file.
4788         * config/sh/t-mlib-sh5-32media: Delete file.
4789         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4790         * config/sh/t-mlib-sh5-64media: Delete file.
4791         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4792         * config/sh/t-mlib-sh5-compact: Delete file.
4793         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4794         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4795         * doc/install.texi (Options specification): Add
4796         --with-multilib-list and --with-endian.
4797
4798 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4799
4800         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4801         REVISION_c.
4802         (OBJS-common): Add plugin-version.o.
4803         (plugin-version.o): New.
4804         * gcc-plugin.h (plugin_gcc_version): New.
4805         (plugin_default_version_check): New.
4806         (plugin_init_func, plugin_init): Add version argument.
4807         * plugin-version.c: New.
4808         * plugin.c (str_plugin_gcc_version_name): New.
4809         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4810         pass it to the init function.
4811         (plugin_default_version_check): New.
4812
4813 2009-04-17  Richard Guenther  <rguenther@suse.de>
4814
4815         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4816         for decl-vs-decl disambiguation.
4817
4818 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4819
4820         * config/s390/s390.h (s390_tune_attr): New macro definition.
4821         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4822
4823 2009-04-17  Richard Guenther  <rguenther@suse.de>
4824
4825         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4826         (fold_stmt_r): Likewise.
4827         (maybe_fold_reference): New function.
4828         (fold_gimple_assign): Handle cases fold_stmt_r did.
4829         (fold_stmt): Do not use fold_stmt_r.
4830         (fold_stmt_inplace): Likewise.
4831
4832 2009-04-17  Richard Guenther  <rguenther@suse.de>
4833
4834         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4835         (record_equivalences_from_stmt): Remove useless checks and
4836         simplifications.
4837         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4838         the type is already suitable.
4839
4840 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4841
4842         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4843
4844 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4845
4846         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4847         (CMPtype): Define as __gcc_CMPtype.
4848
4849 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4850
4851         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4852         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4853
4854 2009-04-17  Richard Guenther  <rguenther@suse.de>
4855
4856         PR tree-optimization/39746
4857         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4858         special-casing for builtins and static variable use/def.
4859         (call_may_clobber_ref_p_1): Likewise.
4860
4861 2009-04-16  Ian Lance Taylor  <iant@google.com>
4862
4863         * df.h: Include "timevar.h".
4864         (struct df_problem): Change tv_id field to timevar_id_t.
4865         * tree-pass.h: Include "timevar.h".
4866         (struct opt_pass): Change tv_id field to timevar_id_t.
4867         * timevar.h (timevar_id_t): Define TV_NONE.
4868         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4869         TV_NONE rather than tv_id != 0.
4870         (execute_one_pass): Likewise.
4871         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4872         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4873         dependencies to $(TREE_PASS_H).
4874         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4875         to TV_NONE.
4876         (pass_branch_target_load_optimize2): Likewise.
4877         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4878         (pass_outof_cfg_layout_mode): Likewise.
4879         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4880         (pass_rebuild_cgraph_edges): Likewise.
4881         (pass_remove_cgraph_callee_edges): Likewise.
4882         * df-core.c (pass_df_initialize_opt): Likewise.
4883         (pass_df_initialize_no_opt): Likewise.
4884         (pass_df_finish): Likewise.
4885         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4886         * except.c (pass_set_nothrow_function_flags): Likewise.
4887         (pass_convert_to_eh_region_ranges): Likewise.
4888         * final.c (pass_compute_alignments): Likewise.
4889         * function.c (pass_instantiate_virtual_regs): Likewise.
4890         (pass_init_function): Likewise.
4891         (pass_leaf_regs): Likewise.
4892         (pass_match_asm_constraints): Likewise.
4893         * gimple-low.c (pass_lower_cf): Likewise.
4894         (pass_mark_used_blocks): Likewise.
4895         * init-regs.c (pass_initialize_regs): Likewise.
4896         * integrate.c (pass_initial_value_sets): Likewise.
4897         * ira.c (pass_ira): Likewise.
4898         * jump.c (pass_cleanup_barriers): Likewise.
4899         * omp-low.c (pass_expand_omp): Likewise.
4900         (pass_lower_omp): Likewise.
4901         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4902         * recog.c (pass_split_all_insns): Likewise.
4903         (pass_split_after_reload): Likewise.
4904         (pass_split_before_regstack): Likewise.
4905         (pass_split_before_sched2): Likewise.
4906         (pass_split_for_shorten_branches): Likewise.
4907         * reginfo.c (pass_reginfo_init): Likewise.
4908         (pass_subregs_of_mode_init): Likewise.
4909         (pass_subregs_of_mode_finish): Likewise.
4910         * passes.c (pass_postreload): Likewise.
4911         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4912         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4913         (pass_warn_function_return): Likewise.
4914         (pass_warn_function_noreturn): Likewise.
4915         * tree-complex.c (pass_lower_complex): Likewise.
4916         (pass_lower_complex_O0): Likewise.
4917         * tree-if-conv.c (pass_if_conversion): Likewise.
4918         * tree-into-ssa.c (pass_build_ssa): Likewise.
4919         * tree-mudflap.c (pass_mudflap_1): Likewise.
4920         (pass_mudflap_2): Likewise.
4921         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4922         (pass_mudflap_2): Likewise.
4923         * tree-nrv.c (pass_return_slot): Likewise.
4924         * tree-object-size.c (pass_object_sizes): Likewise.
4925         * tree-optimize.c (pass_all_optimizations): Likewise.
4926         (pass_early_local_passes): Likewise.
4927         (pass_all_early_optimizations): Likewise.
4928         (pass_cleanup_cfg): Likewise.
4929         (pass_cleanup_cfg_post_optimizing): Likewise.
4930         (pass_free_datastructures): Likewise.
4931         (pass_free_cfg_annotations): Likewise.
4932         (pass_fixup_cfg): Likewise.
4933         (pass_init_datastructures): Likewise.
4934         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4935         (pass_late_warn_uninitialized): Likewise.
4936         (pass_update_address_taken): Likewise.
4937         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4938         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4939         (pass_cse_sincos): Likewise.
4940         (pass_convert_to_rsqrt): Likewise.
4941         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4942         * tree-stdarg.c (pass_stdarg): Likewise.
4943         * tree-tailcall.c (pass_tail_recursion): Likewise.
4944         (pass_tail_calls): Likewise.
4945         * tree-vect-generic.c (pass_lower_vector): Likewise.
4946         (pass_lower_vector_ssa): Likewise.
4947         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4948
4949 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4950
4951         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4952         XLR entry.
4953         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4954         Handle -march=xlr.
4955         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4956         logical and signext.
4957
4958 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4959
4960         PR target/39767
4961         * config/sh/predicates.md (arith_operand): Check if the operand
4962         of TRUNCATE is a REG.
4963
4964 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4965
4966         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4967         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4968
4969 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4970
4971         * tree-iterator.c (tsi_split_statement_list_after,
4972         tsi_split_statement_list_before): Remove.
4973         * tree-iterator.h: Remove the prototypes for
4974         tsi_split_statement_list_after and tsi_split_statement_list_before.
4975
4976 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4977
4978         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4979         * tree-ssa-propagate.h: Remove the prototype for
4980         stmt_makes_single_load.
4981
4982 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4983
4984         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4985         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4986
4987 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4988
4989         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4990
4991 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4992
4993         * except.c (eh_region_outer_p): Remove.
4994         * except.h: Remove the prototype for eh_region_outer_p.
4995
4996 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4997
4998         * function.c (current_function_assembler_name): Remove.
4999         * function.h: Remove the prototype for
5000         current_function_assembler_name.
5001
5002 2009-04-16  Ian Lance Taylor  <iant@google.com>
5003
5004         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5005         (add_reg_note): Call alloc_reg_note.
5006         * rtl.h (alloc_reg_note): Declare.
5007         * combine.c (try_combine): Use alloc_reg_note.
5008         (recog_for_combine, move_deaths): Likewise.
5009         (distribute_notes): Use alloc_reg_note and add_reg_note.
5010         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5011         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5012         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5013
5014 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5015
5016         PR rtl-optimization/39762
5017         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5018         ira_may_move_out_cost): Add comments about way of their usage.
5019         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5020
5021         * ira-conflicts.c (process_regs_for_copy): Use function
5022         ira_get_register_move_cost instead of global
5023         ira_register_move_cost.
5024
5025         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5026         color_pass, move_spill_restore, update_curr_costs): Ditto.
5027
5028         * ira-lives.c (process_single_reg_class_operands): Ditto.
5029
5030         * ira-emit.c (emit_move_list): Ditto.
5031
5032         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5033         (record_reg_classes): Ditto.  Use functions
5034         ira_get_register_move_cost and ira_get_may_move_cost instead of
5035         global vars ira_register_move_cost, ira_may_move_out_cost and
5036         ira_may_move_in_cost.
5037         (record_address_regs): Don't call ira_init_register_move_cost.
5038         Use function ira_get_may_move_cost instead of global
5039         ira_may_move_in_cost.
5040         (process_bb_node_for_hard_reg_moves): Use function
5041         ira_get_register_move_cost instead of global ira_register_move_cost.
5042         (ira_costs): Don't call ira_init_register_move_cost.
5043
5044 2009-04-16  Richard Guenther  <rguenther@suse.de>
5045
5046         * tree-cfg.c (verify_gimple_assign_binary):
5047         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5048         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5049         (create_general_new_stmt): Note that this function is broken.
5050
5051 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5052
5053         * common.opt (fhelp): Add Var(help_flag).
5054         * gcc-plugin.h (plugin_info): Add help.
5055         * plugin.c (plugin_name_args): Add help.
5056         (register_plugin_info): Set plugin->help.
5057         (print_help_one_plugin): New.
5058         (print_plugins_help): New.
5059         * plugin.h (print_plugins_help): New.
5060         * toplev.c (toplev_main): Call print_plugins_help if needed.
5061
5062 2009-04-16  Richard Guenther  <rguenther@suse.de>
5063
5064         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5065         (gimple_ior_addresses_taken_1): New function.
5066         (gimple_ior_addresses_taken): Likewise.
5067         * gimple.h (struct gimple_statement_with_ops_base): Remove
5068         addresses_taken member.
5069         (gimple_ior_addresses_taken): Declare.
5070         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5071         gimple_set_addresses_taken): Remove.
5072         * ipa-reference.c (mark_address): New function.
5073         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5074         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5075         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5076         (gimple_add_to_addresses_taken): Remove.
5077         (get_tmr_operands): Call mark_address_taken.
5078         (get_asm_expr_operands): Likewise.
5079         (get_expr_operands): Likewise.
5080         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5081         (free_stmt_operands): Do not free it.
5082         * tree-ssa.c (delete_tree_ssa): Likewise.
5083         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5084
5085 2009-04-16  Richard Guenther  <rguenther@suse.de>
5086
5087         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5088         (walk_stmt_load_store_ops): Likewise.
5089         * gimple.c (get_base_loadstore): New function.
5090         (walk_stmt_load_store_addr_ops): Likewise.
5091         (walk_stmt_load_store_ops): Likewise.
5092         * ipa-pure-const.c (check_op): Simplify.
5093         (check_load, check_store): New functions.
5094         (check_stmt): Use walk_stmt_load_store_ops.
5095         * ipa-reference.c (mark_load): Adjust signature.
5096         (mark_store): Likewise.
5097         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5098
5099 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5100
5101         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5102         (plugin_info): New.
5103         * opts.c (common_handle_option): Don't call print_version.
5104         * plugin.c (plugin_name_args): Add version.
5105         (register_plugin_info): New.
5106         (register_callback): Handle PLUGIN_INFO.
5107         (try_init_one_plugin): New.
5108         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5109         if failed to init.
5110         (finalize_one_plugin): New.
5111         (finalize_plugins): New.
5112         (print_one_plugin): New.
5113         (print_plugins_versions): New.
5114         * plugin.h (print_plugins_versions): New.
5115         (finalize_plugins): New.
5116         * toplev.c (compile_file): Don't call initialize_plugins.
5117         (print_version): Call print_plugins_versions.
5118         (toplev_main): Call initialize_plugins. Print version if needed.
5119         Call finalize_plugins.
5120
5121 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5122
5123         * common.opt (fversion): New.
5124         * gcc.c (print_version): New.
5125         (process_command): Don't print the version. Just set print_version.
5126         (main): Print version. Call subprocesses if print_version and
5127         verbose_flag are set.
5128         * opts.c (common_handle_option): Handle OPT_fversion.
5129
5130 2009-04-16  Richard Guenther  <rguenther@suse.de>
5131             Ira Rosen  <irar@il.ibm.com>
5132
5133         PR tree-optimization/39698
5134         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5135         type of the reduction variable.  Only generate the def if
5136         it is needed.
5137
5138         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5139         make sure to first convert to an integer of the same precision.
5140         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5141         the type of the evolution correctly in computing the new
5142         induction variable base.
5143
5144 2009-04-16  Richard Guenther  <rguenther@suse.de>
5145
5146         PR middle-end/39625
5147         * tree-cfg.c (make_blocks): Split statements with to-be
5148         abnormal SSA names on the lhs.
5149
5150 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5151
5152         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5153         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5154         * c-typeck.c (really_start_incremental_init): Likewise.
5155         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5156         (TARGET_INITIALIZER): Remove it.
5157         * target.h (struct target): Remove vector_opaque_p.
5158         * tree.c (build_opaque_vector_type): New.
5159         * tree.h (TYPE_VECTOR_OPAQUE): New.
5160         (build_opaque_vector_type): Declare.
5161         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5162         * config/rs6000/rs6000.c (build_opaque_vector_type,
5163         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5164         (rs6000_init_builtins): Use build_opaque_vector_type for
5165         opaque_V4SI_type_node.
5166
5167 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5168
5169         * debug.h (set_name):  Declare.
5170         * dwarf2out.c (dwarf2out_set_name): Declare.
5171         (dwarf2_debug_hooks): Add set_name.
5172         (find_AT_string): New.
5173         (add_AT_string): Call find_AT_string.
5174         (dwarf2out_set_name): New.
5175         * cp/decl.c (grokdeclarator): Call set_name.
5176         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5177         * debug.c (do_nothing_debug_hooks):  Likewise.
5178         * dbxout.c (dbx_debug_hooks): Likewise.
5179         * sdbout.c (sdb_debug_hooks): Likewise.
5180
5181 2009-04-15  Michael Eager  <eager@eagercon.com>
5182
5183         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5184         reg for single-precision FPU.
5185         * config/rs6000/rs6000.md (movsi_internal1): Only for
5186         !TARGET_SINGLE_FPU.
5187         (movsi_internal1_single): New. Add pattern to move SI values to/from
5188         single-precision FP regs.
5189
5190 2009-04-15  Richard Guenther  <rguenther@suse.de>
5191
5192         * omp-low.c (lower_rec_input_clauses): Build correct address
5193         expressions.
5194         (expand_omp_for_generic): Fix multiplication type.
5195         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5196         (generate_memset_zero): Fix types.
5197         * tree-profile.c (prepare_instrumented_value): Correctly
5198         widen a pointer.
5199
5200 2009-04-15  Ian Lance Taylor  <iant@google.com>
5201
5202         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5203         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5204         for -Wall and for -Wc++-compat.
5205         (c_common_post_options): For C++, set warn_enum_compare if not
5206         already set.
5207         * c-tree.h (struct c_expr): Add field original_type.
5208         (build_external_ref): Update declaration.
5209         * c-parser.c (c_parser_braced_init): Set original_type.
5210         (c_parser_initelt): Likewise.
5211         (c_parser_expr_no_commas): Likewise.
5212         (c_parser_conditional_expression): Likewise.
5213         (c_parser_cast_expression): Likewise.
5214         (c_parser_unary_expression): Likewise.  Pull setting of
5215         original_code to top of function.
5216         (c_parser_sizeof_expression): Set original_type.
5217         (c_parser_alignof_expression): Likewise.
5218         (c_parser_postfix_expression): Likewise.  Pull setting of
5219         original_code to top of function.
5220         (c_parser_postfix_expression_after_paren_type): Set original_type.
5221         (c_parser_postfix_expression_after_primary): Likewise.
5222         (c_parser_expression): Likewise.
5223         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5224         callers.
5225         (c_expr_sizeof_expr): Set original_type field.
5226         (parser_build_unary_op): Likewise.
5227         (parser_build_binary_op): Likewise.  Optionally warn about
5228         comparisons of enums of different types.
5229         (digest_init): Set original_type field.
5230         (really_start_incremental_init): Likewise.
5231         (push_init_level, pop_init_level): Likewise.
5232         * doc/invoke.texi (Warning Options): -Wenum-compare now
5233         supported in C.
5234
5235 2009-04-15  Richard Guenther  <rguenther@suse.de>
5236
5237         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5238         out a necessary conversion.
5239         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5240         names we didn't value number.
5241         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5242
5243 2009-04-15  Richard Guenther  <rguenther@suse.de>
5244
5245         PR tree-optimization/39764
5246         * tree-ssa-ccp.c (get_value): Canonicalize value with
5247         canonicalize_float_value.
5248
5249 2009-04-15  Jan Hubicka  <jh@suse.cz>
5250
5251         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5252         Wrong version of patch.
5253
5254 2009-04-15  Jan Hubicka  <jh@suse.cz>
5255
5256         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5257
5258 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5259
5260         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5261         our distinct integral and vector types.
5262
5263 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5264
5265         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5266         * init.c (build_vtbl_address): Remove call to assemble_external.
5267
5268 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5269
5270         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5271         output for other floating point modes.
5272
5273 2009-04-14  Diego Novillo  <dnovillo@google.com>
5274
5275         * diagnostic.c (diagnostic_report_diagnostic): Do not
5276         warn about loaded plugins for DK_ERROR and DK_WARNING.
5277         * c-decl.c (declspecs_add_type): Move call to
5278         invoke_plugin_callbacks ...
5279         * c-parser.c (c_parser_declspecs): ... here.
5280         * plugin.c (dump_active_plugins): Tidy output.
5281
5282 2009-04-14  Diego Novillo  <dnovillo@google.com>
5283             Le-Chun Wu  <lcwu@google.com>
5284
5285         * configure.ac: Add --enable-plugin support.
5286         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5287         * Makefile.in (PLUGIN_H): Define.
5288         Export ENABLE_PLUGIN and GMPINC to site.exp.
5289         Add PLUGINLIBS to link command.
5290         Add/modify dependencies for plugin.o and files including plugin.h.
5291         (plugin.o): New.
5292         * config.in: Regenerate.
5293
5294         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5295         OPT_fplugin_arg_.
5296
5297 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5298
5299         * tree-pass.h (register_one_dump_file): Add a prototype for
5300         register_one_dump_file.
5301         * toplev.c (compile_file): Call initialize_plugins.
5302         (do_compile): Call invoke_plugin_callbacks.
5303         (toplev_main): Call invoke_plugin_callbacks.
5304         * common.opt: Add -fplugin= and -fplugin-arg-.
5305         * gcc-plugin.h: New public header file for plugins to include.
5306         * plugin.c: New source file.
5307         * plugin.h: New internal header file.
5308         * passes.c (register_one_dump_file): Make it external.
5309
5310         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5311
5312 2009-04-14  Diego Novillo  <dnovillo@google.com>
5313
5314         * doc/plugins.texi: New.
5315         * doc/gccint.texi: Add reference to Plugins chapter.
5316         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5317         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5318         loaded plugins, if any.
5319         * timevar.def (TV_PLUGIN_INIT): Define.
5320         (TV_PLUGIN_RUN): Define.
5321         * plugin.c: Include timevar.h
5322         (plugins_active_p): New.
5323         (dump_active_plugins): New.
5324         (debug_active_plugins): New.
5325
5326 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5327
5328         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5329         library paths.
5330         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5331
5332 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5333
5334         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5335         the same as a minus without a shift.
5336
5337 2009-04-14  Nick Clifton  <nickc@redhat.com>
5338
5339         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5340         comparisons with small integers will always produce a short
5341         branch.
5342
5343 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5344
5345         Merge:
5346         2008-12-19  Diego Novillo  <dnovillo@google.com>
5347
5348         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5349
5350 2009-04-14  Richard Guenther  <rguenther@suse.de>
5351
5352         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5353         verification.
5354         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5355         rotates correctly.
5356         (verify_gimple_phi): Print the mismatched argument position.
5357         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5358         Fix types.
5359         (vect_update_init_of_dr): Likewise.
5360         * matrix-reorg.c (transform_access_sites): Do what the
5361         comment suggests.
5362         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5363
5364 2009-04-13  Michael Eager  <eager@eagercon.com>
5365
5366         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5367         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5368         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5369         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5370         remove duplicate config
5371
5372 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5373
5374         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5375         file_name:line_number type locator of the call site.
5376
5377 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5378
5379         * genautomata.c: Put blank after comma.
5380         (automaton_decls): New.
5381         (struct unit_usage): Add comments to member next.
5382         (store_alt_unit_usage): Keep the list ordered.
5383         (unit_present_on_list_p, equal_alternatives_p): New.
5384         (check_regexp_units_distribution): Check units distribution
5385         correctness correctly.
5386         (main): Don't write automata if error is found.  Return correct
5387         exit code.
5388
5389         * config/m68k/cf.md (cfv4_ds): Remove.
5390         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5391         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5392
5393         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5394         power4-load-ext, power4-store, power4-store-update,
5395         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5396         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5397         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5398         power4-sqrt, power4-isync): Modify reservation to make correct
5399         unit distribution to automata.
5400
5401         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5402         power5-store-update, power5-two, power5-three, power5-lmul,
5403         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5404
5405 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5406
5407         * except.c (pass_set_nothrow_function_flags): Set name and add
5408         TODO_dump_func.
5409         (set_nothrow_function_flags): Mention in the dump file when
5410         changing a function to nothrow.
5411
5412 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5413
5414         PR/39066
5415         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5416         instead of unsigned long.
5417
5418 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5419
5420         * config/arm/arm.c (return_used_this_function): Remove.
5421         (arm_output_function_prologue): Remove use of
5422         return_used_this_function.
5423         (output_return_instruction): Replace use of
5424         return_used_this_function
5425         by cfun->machine->return_used_this_function.
5426         (arm_output_epilogue): Likewise.
5427         (arm_output_function_epilogue): Likewise.
5428         (thumb_unexpanded_epilogue): Likewise.
5429         * config/arm/arm.h (struct machine_function):
5430         New member return_used_this_function.
5431
5432 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5433
5434         * doc/install.texi: Correct description of default directory for
5435         --with-gxx-include-dir.
5436
5437 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5438
5439         * fold-const.c (build_range_check): Properly deal with enumeral and
5440         boolean base types.
5441
5442 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5443
5444         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5445         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5446         * params.h (MAX_GCSE_PASSES): Remove.
5447         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5448         in sequence.  Remove ability to run multiple passes.
5449         (bypass_jumps): Report run as third CPROP pass.
5450
5451 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5452
5453         PR middle-end/39651
5454         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5455         when deciding whether the whole SEQUENCE can throw.
5456
5457 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5458
5459         PR target/39740
5460         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5461         offseted label references.
5462
5463 2009-04-11  Jan Hubicka  <jh@suse.cz>
5464
5465         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5466
5467 2009-04-11  Richard Guenther  <rguenther@suse.de>
5468
5469         PR middle-end/39732
5470         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5471         return variables as TREE_ADDRESSABLE.
5472
5473 2009-04-11  Richard Guenther  <rguenther@suse.de>
5474
5475         PR tree-optimization/39713
5476         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5477         reference trees have SSA_NAME operands.
5478
5479 2009-04-11  Richard Guenther  <rguenther@suse.de>
5480
5481         PR c/39712
5482         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5483         address expressions.
5484
5485 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5486
5487         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5488         match changes in Cygwin 1.7
5489         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5490         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5491
5492 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5493
5494         PR tree-optimization/39701
5495         * doc/invoke.texi (Optimization Options): Document change in
5496         meaning and initialization of -fdelete-null-pointer-checks.
5497
5498 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5499
5500         PR middle-end/39701
5501         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5502
5503         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5504         here.
5505
5506         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5507
5508 2009-04-10  Chao-ying Fu  <fu@mips.com>
5509
5510         * doc/tm.texi (Instruction Output): Document
5511         TARGET_ASM_FINAL_POSTSCAN_INSN.
5512         * target.h (final_postscan_insn): New field in asm_out.
5513         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5514         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5515         * final.c (final_scan_insn): Call
5516         targetm.asm_out.final_postscan_insn after outputting
5517         an asm macro and a normal instruction.
5518
5519         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5520         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5521         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5522         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5523         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5524
5525 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5526
5527         PR middle-end/39701
5528         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5529         variables as non-NULL even with -fdelete-null-pointer-checks.
5530
5531 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5532
5533         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5534
5535 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5536
5537         PR target/39678
5538         * config/i386/i386.c (classify_argument): Handle SCmode with
5539         (bit_offset % 64) != 0.
5540
5541 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5542
5543         * doc/invoke.texi (Optimize Options): Add cross-reference to
5544         -Q --help=optimizers examples.
5545
5546 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5547
5548         PR target/36800
5549         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5550         regalign for the reg == fpr and TDmode case.
5551
5552 2009-04-09  David Ayers  <ayers@fsfe.org>
5553
5554         PR objc/29200
5555         * objc/objc-act.c (warn_with_method): Remove helper function.
5556         (check_duplicates): Call warning and inform directly.
5557         (really_start_method): Likewise.
5558
5559 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5560
5561         * expmed.c (expand_divmod): Always use a comparison for a division
5562         by a large unsigned integer.
5563
5564         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5565         for things others than variables or functions as nonzero.
5566
5567 2009-04-09  Nick Clifton  <nickc@redhat.com>
5568
5569         * unwind-compat.c: Change copyright header to refer to version
5570         3 of the GNU General Public License with version 3.1 of the
5571         GCC Runtime Library Exception and to point readers at the
5572         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5573         * config/alpha/crtfastmath.c: Likewise.
5574         * config/alpha/linux-unwind.h: Likewise.
5575         * config/alpha/qrnnd.asm: Likewise.
5576         * config/alpha/vms-crt0-64.c: Likewise.
5577         * config/alpha/vms-crt0.c: Likewise.
5578         * config/alpha/vms-dwarf2.asm: Likewise.
5579         * config/alpha/vms-dwarf2eh.asm: Likewise.
5580         * config/alpha/vms-psxcrt0-64.c: Likewise.
5581         * config/alpha/vms-psxcrt0.c: Likewise.
5582         * config/alpha/vms_tramp.asm: Likewise.
5583         * config/arc/initfini.c: Likewise.
5584         * config/arc/lib1funcs.asm: Likewise.
5585         * config/arm/bpabi-v6m.S: Likewise.
5586         * config/arm/bpabi.S: Likewise.
5587         * config/arm/bpabi.c: Likewise.
5588         * config/arm/crti.asm: Likewise.
5589         * config/arm/crtn.asm: Likewise.
5590         * config/arm/ieee754-df.S: Likewise.
5591         * config/arm/ieee754-sf.S: Likewise.
5592         * config/arm/lib1funcs.asm: Likewise.
5593         * config/arm/libunwind.S: Likewise.
5594         * config/arm/linux-atomic.c: Likewise.
5595         * config/arm/mmintrin.h: Likewise.
5596         * config/arm/pr-support.c: Likewise.
5597         * config/arm/unaligned-funcs.c: Likewise.
5598         * config/arm/unwind-arm.c: Likewise.
5599         * config/arm/unwind-arm.h: Likewise.
5600         * config/avr/libgcc.S: Likewise.
5601         * config/bfin/crti.s: Likewise.
5602         * config/bfin/crtlibid.s: Likewise.
5603         * config/bfin/crtn.s: Likewise.
5604         * config/bfin/lib1funcs.asm: Likewise.
5605         * config/bfin/linux-unwind.h: Likewise.
5606         * config/cris/arit.c: Likewise.
5607         * config/cris/cris_abi_symbol.c: Likewise.
5608         * config/darwin-64.c: Likewise.
5609         * config/darwin-crt2.c: Likewise.
5610         * config/darwin-crt3.c: Likewise.
5611         * config/darwin.h: Likewise.
5612         * config/dbxelf.h: Likewise.
5613         * config/dfp-bit.c: Likewise.
5614         * config/dfp-bit.h: Likewise.
5615         * config/elfos.h: Likewise.
5616         * config/fixed-bit.c: Likewise.
5617         * config/fixed-bit.h: Likewise.
5618         * config/fp-bit.c: Likewise.
5619         * config/fp-bit.h: Likewise.
5620         * config/fr30/crti.asm: Likewise.
5621         * config/fr30/crtn.asm: Likewise.
5622         * config/fr30/lib1funcs.asm: Likewise.
5623         * config/freebsd-spec.h: Likewise.
5624         * config/frv/cmovd.c: Likewise.
5625         * config/frv/cmovh.c: Likewise.
5626         * config/frv/cmovw.c: Likewise.
5627         * config/frv/frvbegin.c: Likewise.
5628         * config/frv/frvend.c: Likewise.
5629         * config/frv/lib1funcs.asm: Likewise.
5630         * config/glibc-stdint.h: Likewise.
5631         * config/h8300/clzhi2.c: Likewise.
5632         * config/h8300/crti.asm: Likewise.
5633         * config/h8300/crtn.asm: Likewise.
5634         * config/h8300/ctzhi2.c: Likewise.
5635         * config/h8300/fixunssfsi.c: Likewise.
5636         * config/h8300/lib1funcs.asm: Likewise.
5637         * config/h8300/parityhi2.c: Likewise.
5638         * config/h8300/popcounthi2.c: Likewise.
5639         * config/i386/ammintrin.h: Likewise.
5640         * config/i386/att.h: Likewise.
5641         * config/i386/avxintrin.h: Likewise.
5642         * config/i386/biarch64.h: Likewise.
5643         * config/i386/bmmintrin.h: Likewise.
5644         * config/i386/cpuid.h: Likewise.
5645         * config/i386/cross-stdarg.h: Likewise.
5646         * config/i386/crtfastmath.c: Likewise.
5647         * config/i386/crtprec.c: Likewise.
5648         * config/i386/cygming-crtbegin.c: Likewise.
5649         * config/i386/cygming-crtend.c: Likewise.
5650         * config/i386/cygwin.asm: Likewise.
5651         * config/i386/emmintrin.h: Likewise.
5652         * config/i386/gmm_malloc.h: Likewise.
5653         * config/i386/gthr-win32.c: Likewise.
5654         * config/i386/i386.h: Likewise.
5655         * config/i386/immintrin.h: Likewise.
5656         * config/i386/linux-unwind.h: Likewise.
5657         * config/i386/linux64.h: Likewise.
5658         * config/i386/mm3dnow.h: Likewise.
5659         * config/i386/mmintrin-common.h: Likewise.
5660         * config/i386/mmintrin.h: Likewise.
5661         * config/i386/nmmintrin.h: Likewise.
5662         * config/i386/pmm_malloc.h: Likewise.
5663         * config/i386/pmmintrin.h: Likewise.
5664         * config/i386/smmintrin.h: Likewise.
5665         * config/i386/sol2-c1.asm: Likewise.
5666         * config/i386/sol2-ci.asm: Likewise.
5667         * config/i386/sol2-cn.asm: Likewise.
5668         * config/i386/sol2-gc1.asm: Likewise.
5669         * config/i386/tmmintrin.h: Likewise.
5670         * config/i386/unix.h: Likewise.
5671         * config/i386/w32-unwind.h: Likewise.
5672         * config/i386/wmmintrin.h: Likewise.
5673         * config/i386/x86-64.h: Likewise.
5674         * config/i386/x86intrin.h: Likewise.
5675         * config/i386/xmmintrin.h: Likewise.
5676         * config/ia64/crtbegin.asm: Likewise.
5677         * config/ia64/crtend.asm: Likewise.
5678         * config/ia64/crtfastmath.c: Likewise.
5679         * config/ia64/crti.asm: Likewise.
5680         * config/ia64/crtn.asm: Likewise.
5681         * config/ia64/fde-glibc.c: Likewise.
5682         * config/ia64/lib1funcs.asm: Likewise.
5683         * config/ia64/linux-unwind.h: Likewise.
5684         * config/ia64/quadlib.c: Likewise.
5685         * config/ia64/unwind-ia64.c: Likewise.
5686         * config/linux.h: Likewise.
5687         * config/m32c/m32c-lib1.S: Likewise.
5688         * config/m32c/m32c-lib2-trapv.c: Likewise.
5689         * config/m32c/m32c-lib2.c: Likewise.
5690         * config/m32r/initfini.c: Likewise.
5691         * config/m68hc11/larith.asm: Likewise.
5692         * config/m68hc11/m68hc11-crt0.S: Likewise.
5693         * config/m68k/cf.md: Likewise.
5694         * config/m68k/crti.s: Likewise.
5695         * config/m68k/crtn.s: Likewise.
5696         * config/m68k/lb1sf68.asm: Likewise.
5697         * config/m68k/linux-unwind.h: Likewise.
5698         * config/mcore/crti.asm: Likewise.
5699         * config/mcore/crtn.asm: Likewise.
5700         * config/mcore/lib1.asm: Likewise.
5701         * config/mips/linux-unwind.h: Likewise.
5702         * config/mips/loongson.h: Likewise.
5703         * config/mips/mips16.S: Likewise.
5704         * config/mmix/crti.asm: Likewise.
5705         * config/mmix/crtn.asm: Likewise.
5706         * config/pa/fptr.c: Likewise.
5707         * config/pa/hpux-unwind.h: Likewise.
5708         * config/pa/lib2funcs.asm: Likewise.
5709         * config/pa/linux-atomic.c: Likewise.
5710         * config/pa/linux-unwind.h: Likewise.
5711         * config/pa/milli64.S: Likewise.
5712         * config/pa/quadlib.c: Likewise.
5713         * config/pa/stublib.c: Likewise.
5714         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5715         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5716         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5717         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5718         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5719         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5720         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5721         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5722         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5723         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5724         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5725         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5726         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5727         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5728         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5729         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5730         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5731         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5732         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5733         * config/rs6000/750cl.h: Likewise.
5734         * config/rs6000/altivec.h: Likewise.
5735         * config/rs6000/biarch64.h: Likewise.
5736         * config/rs6000/crtresfpr.asm: Likewise.
5737         * config/rs6000/crtresgpr.asm: Likewise.
5738         * config/rs6000/crtresxfpr.asm: Likewise.
5739         * config/rs6000/crtresxgpr.asm: Likewise.
5740         * config/rs6000/crtsavfpr.asm: Likewise.
5741         * config/rs6000/crtsavgpr.asm: Likewise.
5742         * config/rs6000/darwin-asm.h: Likewise.
5743         * config/rs6000/darwin-fallback.c: Likewise.
5744         * config/rs6000/darwin-fpsave.asm: Likewise.
5745         * config/rs6000/darwin-ldouble.c: Likewise.
5746         * config/rs6000/darwin-tramp.asm: Likewise.
5747         * config/rs6000/darwin-unwind.h: Likewise.
5748         * config/rs6000/darwin-vecsave.asm: Likewise.
5749         * config/rs6000/darwin-world.asm: Likewise.
5750         * config/rs6000/e500crtres32gpr.asm: Likewise.
5751         * config/rs6000/e500crtres64gpr.asm: Likewise.
5752         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5753         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5754         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5755         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5756         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5757         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5758         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5759         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5760         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5761         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5762         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5763         * config/rs6000/eabi-ci.asm: Likewise.
5764         * config/rs6000/eabi-cn.asm: Likewise.
5765         * config/rs6000/eabi.asm: Likewise.
5766         * config/rs6000/linux-unwind.h: Likewise.
5767         * config/rs6000/linux64.h: Likewise.
5768         * config/rs6000/paired.h: Likewise.
5769         * config/rs6000/paired.md: Likewise.
5770         * config/rs6000/ppc64-fp.c: Likewise.
5771         * config/rs6000/ppu_intrinsics.h: Likewise.
5772         * config/rs6000/rs6000.h: Likewise.
5773         * config/rs6000/si2vmx.h: Likewise.
5774         * config/rs6000/sol-ci.asm: Likewise.
5775         * config/rs6000/sol-cn.asm: Likewise.
5776         * config/rs6000/spe.h: Likewise.
5777         * config/rs6000/spu2vmx.h: Likewise.
5778         * config/rs6000/sysv4.h: Likewise.
5779         * config/rs6000/tramp.asm: Likewise.
5780         * config/rs6000/vec_types.h: Likewise.
5781         * config/s390/linux-unwind.h: Likewise.
5782         * config/s390/tpf-unwind.h: Likewise.
5783         * config/score/crti.asm: Likewise.
5784         * config/score/crtn.asm: Likewise.
5785         * config/sh/crt1.asm: Likewise.
5786         * config/sh/crti.asm: Likewise.
5787         * config/sh/crtn.asm: Likewise.
5788         * config/sh/divtab-sh4-300.c: Likewise.
5789         * config/sh/divtab-sh4.c: Likewise.
5790         * config/sh/divtab.c: Likewise.
5791         * config/sh/lib1funcs-4-300.asm: Likewise.
5792         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5793         * config/sh/lib1funcs.asm: Likewise.
5794         * config/sh/lib1funcs.h: Likewise.
5795         * config/sh/linux-atomic.asm: Likewise.
5796         * config/sh/linux-unwind.h: Likewise.
5797         * config/sh/shmedia.h: Likewise.
5798         * config/sh/sshmedia.h: Likewise.
5799         * config/sh/ushmedia.h: Likewise.
5800         * config/sparc/crtfastmath.c: Likewise.
5801         * config/sparc/linux-unwind.h: Likewise.
5802         * config/sparc/sol2-c1.asm: Likewise.
5803         * config/sparc/sol2-ci.asm: Likewise.
5804         * config/sparc/sol2-cn.asm: Likewise.
5805         * config/spu/divmodti4.c: Likewise.
5806         * config/spu/divv2df3.c: Likewise.
5807         * config/spu/float_disf.c: Likewise.
5808         * config/spu/float_unsdidf.c: Likewise.
5809         * config/spu/float_unsdisf.c: Likewise.
5810         * config/spu/float_unssidf.c: Likewise.
5811         * config/spu/mfc_multi_tag_release.c: Likewise.
5812         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5813         * config/spu/mfc_tag_release.c: Likewise.
5814         * config/spu/mfc_tag_reserve.c: Likewise.
5815         * config/spu/mfc_tag_table.c: Likewise.
5816         * config/spu/multi3.c: Likewise.
5817         * config/spu/spu_internals.h: Likewise.
5818         * config/spu/spu_intrinsics.h: Likewise.
5819         * config/spu/spu_mfcio.h: Likewise.
5820         * config/spu/vec_types.h: Likewise.
5821         * config/spu/vmx2spu.h: Likewise.
5822         * config/stormy16/stormy16-lib2.c: Likewise.
5823         * config/svr4.h: Likewise.
5824         * config/sync.c: Likewise.
5825         * config/v850/lib1funcs.asm: Likewise.
5826         * config/vxlib-tls.c: Likewise.
5827         * config/vxlib.c: Likewise.
5828         * config/vxworks-dummy.h: Likewise.
5829         * config/xtensa/crti.asm: Likewise.
5830         * config/xtensa/crtn.asm: Likewise.
5831         * config/xtensa/ieee754-df.S: Likewise.
5832         * config/xtensa/ieee754-sf.S: Likewise.
5833         * config/xtensa/lib1funcs.asm: Likewise.
5834         * config/xtensa/lib2funcs.S: Likewise.
5835         * config/xtensa/linux-unwind.h: Likewise.
5836         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5837         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5838         * coretypes.h: Likewise.
5839         * crtstuff.c: Likewise.
5840         * defaults.h: Likewise.
5841         * dwarf2.h: Likewise.
5842         * emutls.c: Likewise.
5843         * gbl-ctors.h: Likewise.
5844         * gcov-io.h: Likewise.
5845         * ginclude/float.h: Likewise.
5846         * ginclude/iso646.h: Likewise.
5847         * ginclude/stdarg.h: Likewise.
5848         * ginclude/stdbool.h: Likewise.
5849         * ginclude/stddef.h: Likewise.
5850         * ginclude/stdfix.h: Likewise.
5851         * ginclude/stdint-gcc.h: Likewise.
5852         * ginclude/tgmath.h: Likewise.
5853         * gthr-aix.h: Likewise.
5854         * gthr-dce.h: Likewise.
5855         * gthr-gnat.c: Likewise.
5856         * gthr-gnat.h: Likewise.
5857         * gthr-lynx.h: Likewise.
5858         * gthr-mipssde.h: Likewise.
5859         * gthr-nks.h: Likewise.
5860         * gthr-posix.c: Likewise.
5861         * gthr-posix.h: Likewise.
5862         * gthr-posix95.h: Likewise.
5863         * gthr-rtems.h: Likewise.
5864         * gthr-single.h: Likewise.
5865         * gthr-solaris.h: Likewise.
5866         * gthr-tpf.h: Likewise.
5867         * gthr-vxworks.h: Likewise.
5868         * gthr-win32.h: Likewise.
5869         * gthr.h: Likewise.
5870         * libgcc2.c: Likewise.
5871         * libgcc2.h: Likewise.
5872         * libgcov.c: Likewise.
5873         * tsystem.h: Likewise.
5874         * typeclass.h: Likewise.
5875         * unwind-c.c: Likewise.
5876         * unwind-compat.h: Likewise.
5877         * unwind-dw2-fde-compat.c: Likewise.
5878         * unwind-dw2-fde-darwin.c: Likewise.
5879         * unwind-dw2-fde-glibc.c: Likewise.
5880         * unwind-dw2-fde.c: Likewise.
5881         * unwind-dw2-fde.h: Likewise.
5882         * unwind-dw2.c: Likewise.
5883         * unwind-dw2.h: Likewise.
5884         * unwind-generic.h: Likewise.
5885         * unwind-pe.h: Likewise.
5886         * unwind-sjlj.c: Likewise.
5887         * unwind.inc: Likewise.
5888         * config/arm/neon-gen.ml: Change generated copyright header to
5889         refer to version 3 of the GNU General Public License with
5890         version 3.1 of the GCC Runtime Library Exception and to point
5891         readers at the COPYING3 and COPYING3.RUNTIME files and the
5892         FSF's license web page.
5893         * config/arm/arm_neon.h: Regenerate.
5894
5895 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5896
5897         * config/cris/cris.md: Change copyright header to refer to version
5898         3 of the GNU General Public License.
5899         * doc/install.texi2html: Change copyright header to refer to version
5900         3 of the GNU General Public License and to point readers at the
5901         COPYING3 file and the FSF's license web page.
5902         * config/vax/linux.h: Likewise.
5903
5904 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5905
5906         * config/i386/i386.md (cmpcc): New.
5907         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5908         (sync_compare_and_swap_cc*): Delete.
5909
5910         * config/s390/s390.c (s390_compare_emitted): Remove.
5911         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5912         s390_compare_emitted used to be handled.  Assert that modes match.
5913         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5914         refer to sync_compare_and_swap_ccsi.
5915         * config/s390/s390.h (s390_compare_emitted): Remove.
5916         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5917         instead of s390_compare_emitted.
5918         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5919         instead of s390_compare_emitted.
5920         * config/s390/s390.md (cmpcc): New.
5921         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5922         CC_REGNUM, do not pretend it's set.
5923         (sync_compare_and_swap_cc*): Delete.
5924         * config/s390/predicates.md (cc_reg_operand): New.
5925
5926         * expr.c (sync_compare_and_swap_cc): Delete.
5927         * optabs.h (sync_compare_and_swap_cc): Delete.
5928         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5929         is being used with can_compare_p.
5930         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5931         (find_cc_set): New.
5932         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5933         look for a MODE_CC set instead.  Use emit_store_flag.
5934         (expand_compare_and_swap_loop): Likewise, with some additional
5935         complication to avoid a force_reg when useless.  Use
5936         emit_cmp_and_jump_insns.
5937         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5938         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5939         sync_compare_and_swap documentation.
5940
5941 2009-04-09  Jan Hubicka  <jh@suse.cz>
5942
5943         * except.c (find_prev_try): Break out from ....
5944         (duplicate_eh_regions): ... here; properly update prev_try pointers
5945         when duplication part of tree.
5946         (dump_eh_tree): Improve dumping.
5947         (verify_eh_region): New.
5948         (verify_eh_tree): Use it.
5949
5950 2009-04-06  Richard Guenther  <rguenther@suse.de>
5951
5952         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5953         &ARRAY addresses by adjusting their types and prepending
5954         a conversion.
5955         * tree-cfg.c (verify_gimple_assign_single): Verify that
5956         addresses are correct.
5957
5958 2009-04-09  Richard Guenther  <rguenther@suse.de>
5959
5960         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5961         indices into an array reference if possible.
5962         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5963         Fold POINTER_PLUS_EXPR statements with invariant address.
5964
5965 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5966
5967         PR target/39634
5968         * config.gcc (powerpc64-*-linux*): Always build biarch.
5969
5970 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5971
5972         PR c/39613
5973         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5974         it and pedwarn if this results in an INTEGER_CST.
5975
5976 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5977
5978         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5979         text in MPFR section.
5980
5981 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5982
5983         * dwarf2out.c (class_scope_p): New static inline.
5984         (class_or_namespace_scope_p): Use it.
5985         (gen_variable_die): Use DW_TAG_member tag for static data member
5986         declarations instead of DW_TAG_variable.
5987
5988         PR middle-end/39573
5989         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5990         variables.
5991
5992 2009-04-08  Richard Guenther  <rguenther@suse.de>
5993
5994         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5995         valueize random data.
5996
5997 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5998
5999         * config.gcc (aix tm_file):  Add aix-stdint.h.
6000         (aix tm clause use_gcc_stdint):  Set to wrap.
6001         * config/rs6000/aix-stdint.h:  New file.
6002
6003 2009-04-08  Richard Guenther  <rguenther@suse.de>
6004
6005         PR middle-end/36291
6006         * tree-dfa.c (add_referenced_var): Do not recurse into
6007         global initializers.
6008         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6009         exposed variables.
6010         (fold_const_aggregate_ref): Likewise.
6011
6012 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6013
6014         * recog.c (ordered_comparison_operator): New.
6015         * gensupport.c (std_preds): Add it.
6016         * doc/md.texi (Machine-Independent Predicates): Document it.
6017
6018 2009-04-08  Jan Hubicka  <jh@suse.cz>
6019
6020         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6021         * function.h (rtl_eh): Remove exception_handler_label_map.
6022         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6023         remove_exception_handler_label, for_each_eh_label_1): Remove.
6024         (rtl_remove_unreachable_regions): Remove.
6025         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6026         (find_exception_handler_labels): Don't build the hashtable.
6027         (maybe_remove_eh_handler): Remove.
6028         (for_each_eh_label): Rewrite to walk the tree.
6029         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6030         * except.h (maybe_remove_eh_handler): Remove.
6031         * passes.c (init_optimization_passes): Schedule second EH cleanup
6032         before out-of-ssa.
6033         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6034         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6035
6036 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6037
6038         * genoutput.c (validate_optab_operands): New.
6039         (gen_insn, gen_expand): Call it.
6040
6041         * genflags.c (gen_insn): Detect misused iterators.
6042         (main): Pass line_no to gen_insn, exit with status 1 on error.
6043
6044         * genextract.c (line_no): Make global.
6045         (VEC_safe_set_locstr): Change assertion to error message.
6046         (main): Exit with status 1 on error.
6047
6048 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6049
6050         PR c/39614
6051         PR c/39673
6052         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6053         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6054         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6055         * c-convert.c (convert): Do not call fold on results of conversion
6056         functions when the result is a C_MAYBE_CONST_EXPR.
6057         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6058         of __builtin_choose_expr.
6059         * c-typeck.c (remove_c_maybe_const_expr): New.
6060         (build_unary_op, build_conditional_expr, build_compound_expr,
6061         build_binary_op, c_objc_common_truthvalue_conversion): Call
6062         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6063         integer operands.
6064
6065 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6066
6067         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6068         CODE to produce a new one. Add a prototype to use fold_convert_const
6069
6070 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6071
6072         PR bootstrap/39660
6073         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6074         mix declarations and code.
6075
6076 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6077
6078         * gcc.c: Replace `CC' with `GCC' throughout.
6079
6080 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6081
6082         * doc/invoke.texi: Document Atom support.
6083
6084 2009-04-07  Jason Merrill  <jason@redhat.com>
6085
6086         PR c++/25185
6087         * c-common.h, c-common.c: Add flag_pretty_templates.
6088         * c-opts.c (c_common_handle_option): Set it.
6089         * c.opt: Add -fno-pretty-templates.
6090         * doc/invoke.texi (C++ Dialect Options): Likewise.
6091
6092 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6093
6094         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6095         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6096         (ia64_expand_builtin): Likewise.
6097
6098 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6099
6100         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6101         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6102         ADDR_EXPRS are include too.
6103
6104 2009-04-07  Richard Guenther  <rguenther@suse.de>
6105
6106         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6107         decls are only used if passes as parameters or if they are
6108         local statics and the call is not to a builtin.
6109         (call_may_clobber_ref_p_1): Likewise.
6110
6111 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6112
6113         * expr.c (do_store_flag): Remove last argument.  Simplify code
6114         to avoid duplication of tests already done by can_compare_p.
6115         (expand_expr_real_1): Adjust caller.
6116
6117 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6118
6119         * optabs.c (can_compare_p): Test the predicate of a
6120         cbranch and cstore pattern.
6121
6122 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6123
6124         * expr.c (convert_move): Use emit_store_flag instead of
6125         "emulating" it.
6126
6127 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6128
6129         * config/i386/i386.c (ix86_compare_emitted): Remove.
6130         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6131         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6132         * config/i386/i386.h (ix86_compare_emitted): Remove.
6133         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6134         instead of ix86_compare_emitted.
6135         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6136
6137 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6138
6139         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6140         Add t-sysroot-suffix to tmake_file.
6141         * config/print-sysroot-suffix.sh: New file.
6142         * config/t-sysroot-suffix: New file.
6143
6144 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6145
6146         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6147         as the latter produces a warning when the target does not support
6148         infinity.
6149
6150 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6151
6152         * dfp.c: Replace type punning assignments with memcpy throughout.
6153         * Makefile.in (dfp.o-warn): Remove.
6154
6155 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6156
6157         PR target/39634
6158         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6159         Include soft-fp/t-softfp after rs6000/t-linux64.
6160
6161 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6162
6163         * stor-layout.c (set_sizetype): Use the full precision of their
6164         machine mode for bitsize types.
6165
6166 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6167
6168         * config/i386/i386.md: Revert 2 accidental checkins.
6169
6170 2009-04-06  Joey Ye  <joey.ye@intel.com>
6171             Xuepeng Guo  <xuepeng.guo@intel.com>
6172             H.J. Lu  <hongjiu.lu@intel.com>
6173
6174         Atom pipeline model, tuning and insn selection.
6175         * config.gcc (atom): Add atom config options and target.
6176
6177         * config/i386/atom.md: New.
6178
6179         * config/i386/i386.c (atom_cost): New cost.
6180         (m_ATOM): New macro flag.
6181         (initial_ix86_tune_features): Set m_ATOM.
6182         (x86_accumulate_outgoing_args): Likewise.
6183         (x86_arch_always_fancy_math_387): Likewise.
6184         (processor_target): Add Atom cost.
6185         (cpu_names): Add Atom cpu name.
6186         (override_options): Set Atom ISA.
6187         (ix86_issue_rate): New case PROCESSOR_ATOM.
6188         (ix86_adjust_cost): Likewise.
6189
6190         * config/i386/i386.h (TARGET_ATOM): New target macro.
6191         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6192         (TARGET_OPT_AGU): New target option.
6193         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6194         (processor_type): Add PROCESSOR_ATOM.
6195
6196         * config/i386/i386.md (cpu): Add new value "atom".
6197         (use_carry, movu): New attr.
6198         (atom.md): Include atom.md.
6199         (adddi3_carry_rex64): Set attr "use_carry".
6200         (addqi3_carry): Likewise.
6201         (addhi3_carry): Likewise.
6202         (addsi3_carry): Likewise.
6203         (*addsi3_carry_zext): Likewise.
6204         (subdi3_carry_rex64): Likewise.
6205         (subqi3_carry): Likewise.
6206         (subhi3_carry): Likewise.
6207         (subsi3_carry): Likewise.
6208         (x86_movdicc_0_m1_rex64): Likewise.
6209         (*x86_movdicc_0_m1_se): Likewise.
6210         (x86_movsicc_0_m1): Likewise.
6211         (*x86_movsicc_0_m1_se): Likewise.
6212         (*adddi_1_rex64): Emit add insn as much as possible.
6213         (*addsi_1): Likewise.
6214         (return_internal): Set atom_unit.
6215         (return_internal_long): Likewise.
6216         (return_pop_internal): Likewise.
6217         (*rcpsf2_sse): Set atom_sse_attr attr.
6218         (*qrt<mode>2_sse): Likewise.
6219         (*prefetch_sse): Likewise.
6220
6221         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6222         PROCESSOR_ATOM.
6223         (ix86_target_macros_internal): Likewise.
6224
6225         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6226         (*prefetch_sse_rex): Likewise.
6227         (sse_rcpv4sf2): Likewise.
6228         (sse_vmrcpv4sf2): Likewise.
6229         (sse_sqrtv4sf2): Likewise.
6230         (<sse>_vmsqrt<mode>2): Likewise.
6231         (sse_ldmxcsr): Likewise.
6232         (sse_stmxcsr): Likewise.
6233         (*sse_sfence): Likewise.
6234         (sse2_clflush): Likewise.
6235         (*sse2_mfence): Likewise.
6236         (*sse2_lfence): Likewise.
6237         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6238         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6239         (avx_movdqu<avxmodesuffix>): Likewise.
6240         (avx_lddqu<avxmodesuffix>): Likewise.
6241         (sse2_movntv2di): Change attr "type" to "ssemov".
6242         (sse2_movntsi): Likewise.
6243         (rsqrtv8sf2): Change attr "type" to "sseadd".
6244         (sse3_addsubv2df3): Set attr "atom_unit".
6245         (sse3_h<plusminus_insn>v4sf3): Likewise.
6246         (*sse2_pmaddwd): Likewise.
6247         (*vec_extractv2di_1_rex64): Likewise.
6248         (*vec_extractv2di_1_avx): Likewise.
6249         (sse2_psadbw): Likewise.
6250         (ssse3_phaddwv8hi3): Likewise.
6251         (ssse3_phaddwv4hi3): Likewise.
6252         (ssse3_phadddv4si3): Likewise.
6253         (ssse3_phadddv2si3): Likewise.
6254         (ssse3_phaddswv8hi3): Likewise.
6255         (ssse3_phaddswv4hi3): Likewise.
6256         (ssse3_phsubwv8hi3): Likewise.
6257         (ssse3_phsubwv4hi3): Likewise.
6258         (ssse3_phsubdv4si3): Likewise.
6259         (ssse3_phsubdv2si3): Likewise.
6260         (ssse3_phsubswv8hi3): Likewise.
6261         (ssse3_phsubswv4hi3): Likewise.
6262         (ssse3_pmaddubsw128): Likewise.
6263         (sse3_pmaddubsw: Likewise.
6264         (ssse3_palignrti): Likewise.
6265         (ssse3_palignrdi): Likewise.
6266
6267 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6268
6269         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6270
6271 2009-04-06  Richard Guenther  <rguenther@suse.de>
6272
6273         PR tree-optimization/28868
6274         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6275         of which PHI results we inserted.
6276         (insert_into_preds_of_block): Record inserted PHIs.
6277         (eliminate): Eliminate redundant PHI nodes.
6278         (init_pre): Init inserted_phi_names.
6279
6280 2009-04-06  Richard Guenther  <rguenther@suse.de>
6281
6282         PR tree-optimization/39643
6283         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6284         IMAGPART_EXPRs of complex constants.
6285         (execute_fold_all_builtins): If we folded a call queue
6286         TODO_update_address_taken.
6287
6288 2009-04-06  Jan Hubicka  <jh@suse.cz>
6289
6290         PR middle-end/39659
6291         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6292         flag.
6293
6294 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6295
6296         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6297         delay slot.
6298         (ic_invalidate_array): Likewise.
6299
6300 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6301
6302         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6303         alignment for library calls.
6304
6305 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6306
6307         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6308         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6309         * config/i386/mingw-stdint.h:  New file.
6310
6311 2009-04-05  Richard Guenther  <rguenther@suse.de>
6312
6313         PR tree-optimization/39648
6314         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6315         our &A vs. &A[0] IL deficiencies.
6316
6317 2009-04-04  Jan Hubicka  <jh@suse.cz>
6318
6319         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6320         removed toplevel regions.
6321         (sjlj_mark_call_sites): Likewise.
6322
6323 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6324
6325         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6326         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6327         * config/i386/cygwin-stdint.h:  New file.
6328
6329 2009-04-04  Richard Guenther  <rguenther@suse.de>
6330
6331         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6332         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6333         single-argument PHIs if we are in loop-closed SSA form.
6334         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6335         for the pre-condition.
6336         (slpeel_tree_peel_loop_to_edge): Likewise.
6337         (vect_build_loop_niters): Take an optional sequence to append stmts.
6338         (vect_generate_tmps_on_preheader): Likewise.
6339         (vect_do_peeling_for_loop_bound): Take extra guards for the
6340         pre-condition.
6341         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6342         the cost model check.
6343         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6344         guards if we are going to peel.  Do not apply versioning in that case.
6345         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6346         (vect_do_peeling_for_loop_bound): Likewise.
6347         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6348         loop bound only record extra pre-conditions, do not apply loop
6349         versioning.
6350
6351 2009-04-04  Richard Guenther  <rguenther@suse.de>
6352
6353         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6354         renaming code.
6355
6356 2009-04-04  Jan Hubicka  <jh@suse.cz>
6357
6358         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6359         last_basic_block for size of bb->index indexed array.
6360         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6361         compute_out, link_btr_uses, build_btr_def_use_webs,
6362         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6363
6364 2009-04-04  Jan Hubicka  <jh@suse.cz>
6365
6366         * except.c (remove_eh_handler_and_replace): Break out from ...
6367         (remove_eh_handler): ... here.
6368         (bring_to_root): New function.
6369         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6370         handled ones, bring others to root of tree.
6371
6372 2009-04-04  Jan Hubicka  <jh@suse.cz>
6373
6374         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6375         (all_phis_safe_to_merge): New function.
6376         (update_info): New structure.
6377         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6378         (cleanup_empty_eh): Update SSA if possible.
6379
6380 2009-04-04  Richard Guenther  <rguenther@suse.de>
6381
6382         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6383         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6384         (append_vuse): Likewise.
6385
6386 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6387
6388         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6389         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6390         instead of REG_UNSAVED for DW_CFA_undefined.
6391         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6392         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6393         outermost frame.
6394
6395 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6396
6397         PR target/39501
6398         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6399         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6400         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6401
6402 2009-04-04  Richard Guenther  <rguenther@suse.de>
6403
6404         PR tree-optimization/8781
6405         PR tree-optimization/37892
6406         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6407         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6408         (valueize_refs): Call it for *& valueizations.
6409         (shared_reference_ops_from_ref): Rename to ...
6410         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6411         (shared_reference_ops_from_call): Rename to ...
6412         (valueize_shared_reference_ops_from_call): ... this and valueize.
6413         (vn_reference_lookup): Update.
6414         (visit_reference_op_call): Likewise.
6415         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6416         (eliminate): Value-replace the call address in call statements.
6417
6418 2009-04-04  Richard Guenther  <rguenther@suse.de>
6419
6420         PR tree-optimization/39636
6421         * tree-ssa-forwprop.c
6422         (forward_propagate_addr_into_variable_array_index): Check for
6423         GIMPLE_ASSIGN before accessing the rhs code.
6424
6425 2009-04-03  Jason Merrill  <jason@redhat.com>
6426
6427         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6428
6429 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6430
6431         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6432         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6433         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6434         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6435         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6436         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6437         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6438         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6439         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6440         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6441         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6442         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6443         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6444         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6445         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6446         Use fr_reg_or_fp01_operand instead of fr_register_operand
6447
6448         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6449         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6450         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6451
6452 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6453
6454         PR rtl-optimization/39607
6455         PR rtl-optimization/39631
6456
6457         Revert:
6458
6459         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6460         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6461         instead of DF_LR_OUT.
6462         * ira-lives.c (process_bb_node_lives): Ditto.
6463         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6464         instead of DF_LR_{OUT,IN}.
6465         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6466         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6467
6468 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6469
6470         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6471         (execute_lower_omp): Always run but take the short way out if -fopenmp
6472         is not given.
6473         (gate_lower_omp): Remove, forcing the pass manager to always run the
6474         pass and always set PROP_gimple_lomp.
6475         (pass_lower_omp): Remove gate function.
6476         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6477         PROP_trees.  Instead, require it.
6478         * ipa-cp.c (pass_ipa_cp): Likewise.
6479         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6480         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6481         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6482         and PROP_gimple_leh.
6483
6484 2009-04-03  Richard Guenther  <rguenther@suse.de>
6485
6486         PR middle-end/13146
6487         PR tree-optimization/23940
6488         PR tree-optimization/33237
6489         PR middle-end/33974
6490         PR middle-end/34093
6491         PR tree-optimization/36201
6492         PR tree-optimization/36230
6493         PR tree-optimization/38049
6494         PR tree-optimization/38207
6495         PR tree-optimization/38230
6496         PR tree-optimization/38301
6497         PR tree-optimization/38585
6498         PR middle-end/38895
6499         PR tree-optimization/38985
6500         PR tree-optimization/39299
6501         * tree-ssa-structalias.h: Remove.
6502         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6503         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6504         (struct vuse_element_d): Remove.
6505         (struct vuse_vec_d): Likewise.
6506         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6507         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6508         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6509         VUSE_ELEMENT_VAR): Likewise.
6510         (struct voptype_d): Likewise.
6511         (NUM_VOP_FREE_BUCKETS): Likewise.
6512         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6513         (struct stmt_operands_d): Remove.
6514         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6515         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6516         VDEF_NUM, VDEF_VECT): Likewise.
6517         (copy_virtual_operands): Remove.
6518         (operand_build_cmp): Likewise.
6519         (create_ssa_artificial_load_stmt): Likewise.
6520         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6521         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6522         vuse_index and mayuse_index members.  Pack and move done and iter_type
6523         members to the front.
6524         (SSA_OP_VMAYUSE): Remove.
6525         (SSA_OP_VIRTUAL_USES): Adjust.
6526         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6527         (unlink_stmt_vdef): Declare.
6528         (add_to_addressable_set): Remove.
6529         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6530         (vrp_visit_stmt): Likewise.
6531         * doc/tree-ssa.texi (Alias analysis): Update.
6532         * doc/invoke.texi (max-aliased-vops): Remove docs.
6533         (avg-aliased-vops): Likewise.
6534         * tree-into-ssa.c (syms_to_rename): Remove.
6535         (need_to_update_vops_p): Likewise.
6536         (need_to_initialize_update_ssa_p): Rename to ...
6537         (update_ssa_initialized_fn): ... this.  Track function we are
6538         initialized for.
6539         (symbol_marked_for_renaming): Simplify.
6540         (add_new_name_mapping): Do not set need_to_update_vops_p.
6541         (dump_currdefs): Use SYMS_TO_RENAME.
6542         (rewrite_update_stmt): Always walk all uses/defs.
6543         (dump_update_ssa): Adjust.
6544         (init_update_ssa): Take function argument.  Track what we are
6545         initialized for.
6546         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6547         (create_new_def_for): Initialize for cfun, assert we are initialized
6548         for cfun.
6549         (mark_sym_for_renaming): Simplify.
6550         (mark_set_for_renaming): Do not initialize update-ssa.
6551         (need_ssa_update_p): Simplify.  Take function argument.
6552         (name_mappings_registered_p): Assert we ask for the correct function.
6553         (name_registered_for_update_p): Likewise.
6554         (ssa_names_to_replace): Likewise.
6555         (release_ssa_name_after_update_ssa): Likewise.
6556         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6557         (dump_decl_set): Do not print a newline.
6558         (debug_decl_set): Do it here.
6559         (dump_update_ssa): And here.
6560         * tree-ssa-loop-im.c (move_computations): Adjust.
6561         (movement_possibility): Likewise.
6562         (determine_max_movement): Likewise.
6563         (gather_mem_refs_stmt): Likewise.
6564         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6565         or NAME_MEMORY_TAG.
6566         * tree-complex.c (update_all_vops): Remove.
6567         (expand_complex_move): Adjust.
6568         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6569         Simplify test for memory referencing statement.  Exclude
6570         non-invariant ADDR_EXPRs.
6571         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6572         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6573         (rdg_flag_uses): Likewise.
6574         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6575         related code.
6576         (tree_optimize_tail_calls_1): Also split the
6577         edge from the entry block if we have degenerate PHI nodes in
6578         the first basic block.
6579         * tree.c (init_ttree): Remove memory-tag related code.
6580         (tree_code_size): Likewise.
6581         (tree_node_structure): Likewise.
6582         (build7_stat): Re-write to be build6_stat.
6583         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6584         (SSA_VAR_P): Adjust.
6585         (struct tree_memory_tag): Remove.
6586         (struct tree_memory_partition_tag): Likewise.
6587         (union tree_node): Adjust.
6588         (build7): Re-write to be build6.
6589         * tree-pass.h (pass_reset_cc_flags): Remove.
6590         (TODO_update_address_taken): New flag.
6591         (pass_simple_dse): Remove.
6592         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6593         * params.h (MAX_ALIASED_VOPS): Remove.
6594         (AVG_ALIASED_VOPS): Likewise.
6595         * omp-low.c (expand_omp_taskreg): Update SSA form.
6596         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6597         aliases the lhs in a copy stmt.
6598         * tree-ssa-dse.c (struct address_walk_data): Remove.
6599         (memory_ssa_name_same): Likewise.
6600         (memory_address_same): Likewise.
6601         (get_kill_of_stmt_lhs): Likewise.
6602         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6603         unused stores.  Look through PHI nodes into post-dominated regions.
6604         (dse_optimize_stmt): Simplify.  Properly remove stores.
6605         (tree_ssa_dse): Compute dominators.
6606         (execute_simple_dse): Remove.
6607         (pass_simple_dse): Likewise.
6608         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6609         gimple_loaded_syms and gimple_stored_syms computation.
6610         * toplev.c (dump_memory_report): Dump alias and pta stats.
6611         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6612         (vn_reference_eq): Likewise.
6613         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6614         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6615         valueize_vuses): Remove.
6616         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6617         (get_def_ref_stmt_vuse): ... this.
6618         (vn_reference_lookup_2): New function.
6619         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6620         walking equivalent vuses.  Simplify.
6621         (vn_reference_lookup): Likewise.
6622         (vn_reference_insert): Likewise.
6623         (vn_reference_insert_pieces): Likewise.
6624         (visit_reference_op_call): Simplify.
6625         (visit_reference_op_load): Likewise.
6626         (visit_reference_op_store): Likewise.
6627         (init_scc_vn): Remove shared_lookup_vuses initialization.
6628         (free_scc_vn): Remove shared_lookup_vuses freeing.
6629         (sort_vuses, sort_vuses_heap): Remove.
6630         (get_ref_from_reference_ops): Export.
6631         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6632         vector with single vuse pointer.
6633         (vn_reference_lookup_pieces, vn_reference_lookup,
6634         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6635         (shared_vuses_from_stmt): Remove.
6636         (get_ref_from_reference_ops): Declare.
6637         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6638         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6639         memory-tag related code.
6640         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6641         (likely_value): Add comment, skip static-chain of call statements.
6642         (surely_varying_stmt_p): Adjust.
6643         (gimplify_and_update_call_from_tree): Likewise.
6644         (execute_fold_all_builtins): Do not rebuild alias info.
6645         (gimplify_and_update_call_from_tree): Properly update VOPs.
6646         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6647         (copy_ref_info): Remove memory-tag related code.
6648         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6649         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6650         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6651         computation.
6652         * tree-ssa-dom.c (gimple_p): Remove typedef.
6653         (eliminate_redundant_computations): Adjust.
6654         (record_equivalences_from_stmt): Likewise.
6655         (avail_expr_hash): Likewise.
6656         (avail_expr_eq): Likewise.
6657         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6658         (stmt_makes_single_load): Likewise.
6659         (stmt_makes_single_store): Likewise.
6660         * tree-ssa-alias.c: Rewrite completely.
6661         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6662         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6663         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6664         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6665         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6666         Remove public functions.
6667         (pass_reset_cc_flags): Remove.
6668         (pass_build_alias): Move ...
6669         * tree-ssa-structalias.c (pass_build_alias): ... here.
6670         * tree-ssa-alias.c (may_be_aliased): Move ...
6671         * tree-flow-inline.h (may_be_aliased): ... here.
6672         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6673         count_uses_and_derefs): Move ...
6674         * gimple.c: ... here.
6675         * gimple.h (count_uses_and_derefs): Declare.
6676         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6677         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6678         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6679         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6680         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6681         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6682         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6683         New functions.
6684         * tree-dfa.c (refs_may_alias_p): Move ...
6685         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6686         * tree-ssa-alias.h: New file.
6687         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6688         (statement_sink_location): Likewise.
6689         * opts.c (decode_options): Do not adjust max-aliased-vops or
6690         avg-aliased-vops values.
6691         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6692         (TV_CALL_CLOBBER): Likewise.
6693         (TV_FLOW_SENSITIVE): Likewise.
6694         (TV_FLOW_INSENSITIVE): Likewise.
6695         (TV_MEMORY_PARTITIONING): Likewise.
6696         (TV_ALIAS_STMT_WALK): New timevar.
6697         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6698         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6699         (get_address_description): Remove memory-tag related code.
6700         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6701         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6702         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6703         and immediate uses in statements.  Document.
6704         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6705         (dump_symbols): Remove.
6706         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6707         * alias.c (get_deref_alias_set): New function split out from ...
6708         (get_alias_set): ... here.
6709         * alias.h (get_deref_alias_set): Declare.
6710         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6711         type parameter.  Remove restrict pointer handling.  Create a
6712         ref-all pointer in case type-based alias sets do not conflict.
6713         (vect_analyze_data_refs): Remove SMT related code.
6714         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6715         (vectorizable_load): Likewise.
6716         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6717         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6718         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6719         Ignore vops and SMTs.
6720         (dr_analyze_alias): Likewise..
6721         (free_data_ref): Likewise.
6722         (create_data_ref): Likewise.
6723         (analyze_all_data_dependences): Likewise.
6724         (get_references_in_stmt): Adjust.
6725         * tree-flow-inline.h (gimple_aliases_computed_p,
6726         gimple_addressable_vars, gimple_call_clobbered_vars,
6727         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6728         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6729         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6730         gimple_mem_ref_stats): Remove.
6731         (gimple_vop): New function.
6732         (op_iter_next_use): Remove vuses and mayuses cases.
6733         (op_iter_next_def): Remove vdefs case.
6734         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6735         (clear_and_done_ssa_iter): Do not set removed fields.
6736         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6737         Assert we are not iterating over vuses or vdefs if not also
6738         iterating over uses or defs.
6739         (op_iter_init_use): Likewise.
6740         (op_iter_init_def): Likewise.
6741         (op_iter_next_vdef): Remove.
6742         (op_iter_next_mustdef): Likewise.
6743         (op_iter_init_vdef): Likewise.
6744         (compare_ssa_operands_equal): Likewise.
6745         (link_use_stmts_after): Handle vuse operand.
6746         (is_call_used): Use is_call_clobbered.
6747         (is_call_clobbered): Global variables are always call clobbered,
6748         query the call-clobbers bitmap.
6749         (mark_call_clobbered): Ignore global variables.
6750         (clear_call_clobbered): Likewise.
6751         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6752         virtual operands sanity check.
6753         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6754         Remove.
6755         (TARGET_MEM_REF): Remove TMR_TAG operand.
6756         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6757         Remove call-clobber related code.
6758         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6759         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6760         partitions or escape reason.
6761         (get_single_def_stmt, get_single_def_stmt_from_phi,
6762         get_single_def_stmt_with_phi): Remove.
6763         (dump_referenced_vars): Tidy.
6764         (get_ref_base_and_extent): Allow bare decls.
6765         (collect_dfa_stats): Adjust.
6766         * graphite.c (rename_variables_in_stmt): Adjust.
6767         (graphite_copy_stmts_from_block): Likewise.
6768         (translate_clast): Likewise.
6769         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6770         (EXPR_DIES): New.
6771         (translate_vuse_through_block): Use the oracle.
6772         (phi_translate_1): Adjust.
6773         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6774         in EXPR_DIES.
6775         (valid_in_sets): Check if the VUSE for
6776         a REFERENCE is available.
6777         (eliminate): Do not remove stmts during elimination,
6778         instead queue and remove them afterwards.
6779         (do_pre): Do not rebuild alias info.
6780         (pass_pre): Run TODO_rebuild_alias before PRE.
6781         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6782         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6783         (mark_all_v_defs_stmt): Remove.
6784         (mark_all_v_defs_seq): Adjust.
6785         (sra_replace): Likewise.
6786         (scalarize_use): Likewise.
6787         (scalarize_copy): Likewise.
6788         (scalarize_init): Likewise.
6789         (scalarize_ldst): Likewise.
6790         (todoflags): Remove.
6791         (tree_sra): Do not rebuild alias info.
6792         (tree_sra_early): Adjust.
6793         (pass_sra): Run TODO_update_address_taken before SRA.
6794         * tree-predcom.c (set_alias_info): Remove.
6795         (prepare_initializers_chain): Do not call it.
6796         (mark_virtual_ops_for_renaming): Adjust.
6797         (mark_virtual_ops_for_renaming_list): Remove.
6798         (initialize_root_vars): Adjust.
6799         (initialize_root_vars_lm): Likewise.
6800         (prepare_initializers_chain): Likewise.
6801         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6802         (may_propagate_copy_into_stmt): Likewise.
6803         (merge_alias_info): Do nothing for now.
6804         (propagate_tree_value_into_stmt): Adjust.
6805         (stmt_may_generate_copy): Likewise.
6806         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6807         not mark symbols for renaming.
6808         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6809         with the same statement, make sure to update the new pointed-to one.
6810         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6811         call statements, do not mark symbols for renaming.
6812         (mark_operand_necessary): Dump something.
6813         (ref_may_be_aliased): New function.
6814         (mark_aliased_reaching_defs_necessary_1): New helper function.
6815         (mark_aliased_reaching_defs_necessary): Likewise.
6816         (mark_all_reaching_defs_necessary_1): Likewise.
6817         (mark_all_reaching_defs_necessary): Likewise.
6818         (propagate_necessity): Do not process virtual PHIs.  For
6819         non-aliased loads mark all reaching definitions as necessary.
6820         For aliased loads and stores mark the immediate dominating
6821         aliased clobbers as necessary.
6822         (visited): New global static.
6823         (perform_tree_ssa_dce): Free visited bitmap after propagating
6824         necessity.
6825         (remove_dead_phis): Perform simple dead virtual PHI removal.
6826         (remove_dead_stmt): Properly unlink virtual operands when
6827         removing stores.
6828         (eliminate_unnecessary_stmts): Schedule PHI removal after
6829         stmt removal.
6830         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6831         (process_replaceable): Likewise.
6832         (find_replaceable_in_bb): Likewise.
6833         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6834         based on the single gimple vop.
6835         (verify_flow_insensitive_alias_info): Remove.
6836         (verify_flow_sensitive_alias_info): Likewise.
6837         (verify_call_clobbering): Likewise.
6838         (verify_memory_partitions): Likewise.
6839         (verify_alias_info): Likewise.
6840         (verify_ssa): Adjust..
6841         (execute_update_addresses_taken): Export.  Update SSA
6842         manually.  Optimize only when optimizing.  Use a local bitmap.
6843         (pass_update_address_taken): Remove TODO_update_ssa, add
6844         TODO_dump_func.
6845         (pass_update_address_taken): Just use TODO_update_address_taken.
6846         (init_tree_ssa): Do not initialize addressable_vars.
6847         (verify_ssa): Verify new VUSE / VDEF properties.
6848         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6849         Do not call verify_alias_info.
6850         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6851         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6852         and callused solutions.  Do not free addressable_vars.
6853         Remove memory-tag related code.
6854         (warn_uninitialized_var): Aliases are always available.
6855         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6856         * lambda-code.c (can_put_in_inner_loop): Adjust.
6857         (can_put_after_inner_loop): Likewise.
6858         (perfect_nestify): Likewise.
6859         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6860         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6861         (vectorizable_conversion): Do not mark symbols for renaming.
6862         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6863         (expand_call_inline): Unlink the calls virtual operands before
6864         replacing it.
6865         (tree_function_versioning): Do not call update_ssa if we are not
6866         updating clones.  Simplify.
6867         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6868         (propagate_with_phi): Likewise..
6869         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6870         clobber code.  Assert we are not aliased or global.
6871         * tree-flow.h: Include tree-ssa-alias.h
6872         (enum escape_type): Remove.
6873         (struct mem_sym_stats_d): Likewise.
6874         (struct mem_ref_stats_d): Likewise.
6875         (struct gimple_df): Add vop member.  Remove global_var,
6876         call_clobbered_vars, call_used_vars, addressable_vars,
6877         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6878         escaped and callused members.
6879         (struct ptr_info_def): Remove all members, add points-to solution
6880         member pt.
6881         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6882         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6883         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6884         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6885         (tree-ssa-alias.o): Likewise.
6886         (toplev.o): Add tree-ssa-alias.h
6887         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6888         * gimple.c (gimple_set_bb): Fix off-by-one error.
6889         (is_gimple_reg): Do not handle memory tags.
6890         (gimple_copy): Also copy virtual operands.
6891         Delay updating the statement.  Do not reset loaded and stored syms.
6892         (gimple_set_stored_syms): Remove.
6893         (gimple_set_loaded_syms): Likewise.
6894         (gimple_call_copy_skip_args): Copy the virtual operands
6895         and mark the new statement modified.
6896         * tree-ssa-structalias.c (may_alias_p): Remove.
6897         (set_uids_in_ptset): Take the alias set to prune with as
6898         parameter.  Fold in the alias test of may_alias_p.
6899         (compute_points_to_sets): Compute whether a ptr is dereferenced
6900         in a local sbitmap.
6901         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6902         other ADDRESSOF constraints on the lhs.
6903         (get_constraint_for_component_ref): Assert that we don't get
6904         ADDRESSOF constraints from the base of the reference.
6905         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6906         (struct variable_info): Remove collapsed_to member.
6907         (get_varinfo_fc): Remove.
6908         (new_var_info): Do not set collapsed_to.
6909         (dump_constraint): Do not follow cycles.
6910         (dump_constraint_graph): Likewise.
6911         (build_pred_graph): Likewise.
6912         (build_succ_graph): Likewise.
6913         (rewrite_constraints): Likewise.
6914         (do_simple_structure_copy): Remove.
6915         (do_rhs_deref_structure_copy): Remove.
6916         (do_lhs_deref_structure_copy): Remove.
6917         (collapse_rest_of_var): Remove.
6918         (do_structure_copy): Re-implement.
6919         (pta_stats): New global variable.
6920         (dump_pta_stats): New function.
6921         (struct constraint_expr): Make offset signed.
6922         (UNKNOWN_OFFSET): Define special value.
6923         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6924         (solution_set_expand): New helper function split out from ...
6925         (do_sd_constraint): ... here.
6926         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6927         (do_ds_constraint): Likewise.
6928         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6929         and CALLUSED = *CALLUSED.
6930         (set_union_with_increment): Make inc argument signed.
6931         (type_safe): Remove.
6932         (get_constraint_for_ptr_offset): Handle unknown and negative
6933         constant offsets.
6934         (first_vi_for_offset): Handle offsets before start.  Bail
6935         out early for offsets beyond the variable extent.
6936         (first_or_preceding_vi_for_offset): New function.
6937         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6938         Together with ESCAPED = *ESCAPED this properly computes reachability.
6939         (find_what_var_points_to): New function.
6940         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6941         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6942         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6943         pt_solutions_intersect): New functions.
6944         (compute_call_used_vars): Remove.
6945         (compute_may_aliases): New main entry into PTA computation.
6946         * gimple.h (gimple_p): New typedef.
6947         (struct gimple_statement_base): Remove references_memory_p.
6948         (struct gimple_statement_with_memory_ops_base): Remove
6949         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6950         members.
6951         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6952         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6953         gimple_set_references_memory): Remove.
6954         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6955         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6956         New functions.
6957         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6958         (verify_expr): Allow RESULT_DECL.
6959         (gimple_duplicate_bb): Do not copy virtual operands.
6960         (gimple_duplicate_sese_region): Adjust.
6961         (gimple_duplicate_sese_tail): Likewise.
6962         (mark_virtual_ops_in_region): Remove.
6963         (move_sese_region_to_fn): Do not call it.
6964         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6965         and pass_simple_dse.
6966         (execute_function_todo): Handle TODO_update_address_taken,
6967         call execute_update_addresses_taken for TODO_rebuild_alias.
6968         (execute_todo): Adjust.
6969         (execute_one_pass): Init dump files early.
6970         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6971         call-clobbered.
6972         (create_general_new_stmt): Clear vops.
6973         * tree-ssa-reassoc.c (get_rank): Adjust.
6974         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6975         symbols for renaming.
6976         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6977         (PARAM_AVG_ALIASED_VOPS): Likewise.
6978         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6979         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6980         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6981         (operand_build_cmp, copy_virtual_operands,
6982         create_ssa_artificial_load_stmt, add_to_addressable_set,
6983         gimple_add_to_addresses_taken): Remove public functions.
6984         (unlink_stmt_vdef): New function.
6985
6986 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6987
6988         * config.gcc (powerpc-*-linux*): Merge variants.
6989
6990 2009-04-02  Chao-ying Fu  <fu@mips.com>
6991             James Grosbach  <james.grosbach@microchip.com>
6992
6993         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6994         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6995         cop0_sp_offset.
6996         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6997         keep_interrupts_masked_p, use_debug_exception_return_p.
6998         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6999         keep_interrupts_masked, use_debug_exception_return.
7000         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7001         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7002         New functions.
7003         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7004         (mips_print_operand): Process COP0 registers to print $0 .. $31
7005         correctly for GAS to process.
7006         (mips_interrupt_extra_call_saved_reg_p): New function.
7007         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7008         extra registers.
7009         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7010         (mips_compute_frame_info): Add supports for interrupt context that
7011         includes doubleword accumulators and COP0 registers.
7012         (mips_for_each_saved_acc): New function.
7013         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7014         mips_for_each_saved_reg.
7015         (mips_save_reg): Save accumulators.
7016         (mips_kernel_reg_p): A new for_each_rtx callback.
7017         (mips_expand_prologue): Support interrupt handlers.
7018         (mips_restore_reg): Restore accumulators.
7019         (mips_expand_epilogue): Support interrupt handlers.
7020         (mips_can_use_return_insn): Return false for interrupt handlers.
7021         (mips_epilogue_uses): New function.
7022         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7023         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7024         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7025         cop0_move): New instructions.
7026         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7027         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7028         defines.
7029         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7030         New defines.
7031         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7032         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7033         interrupt handlers, we use K0 as the temporary register.
7034         (EPILOGUE_USES): Change to a function call.
7035         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7036         handlers, we use K0 as the temporary register.
7037
7038         * doc/extend.texi (Function Attributes): Document interrupt,
7039         use_shadow_register_set, keep_interrupts_masked,
7040         use_debug_exception_return for MIPS attributes.
7041
7042 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7043
7044         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7045         Remove a number of t-files from tmake_file.
7046         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7047         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7048         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7049         target_prototype, not TARGET_PROTOTYPE.
7050         (LINK_OS_GNU_SPEC): Define.
7051         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7052         and darwin-ldoubdle.c.
7053
7054 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7055
7056         PR driver/39293
7057         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7058         (cpp_options): Ditto.
7059         (default_compilers): Ditto.
7060         (display_help): Ditto.
7061         (process_command): Ditto.
7062         (do_spec_1): Ditto.
7063         (set_input): Use lbasename instead of duplicate code.
7064         (save_temps_prefix): New static for -save-temps=obj.
7065         (save_temps_length): Ditto.
7066
7067         * doc/invoke.texi (-save-temps=obj): Document new variant to
7068         -save-temps switch.
7069
7070 2009-04-02  Jeff Law  <law@redhat.com>
7071
7072         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7073         variable.
7074
7075 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7076
7077         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7078         * configure: Regenerated.
7079
7080 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7081
7082         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7083         share the argument list.
7084
7085 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7086
7087         Merge
7088
7089         2009-02-12  Diego Novillo  <dnovillo@google.com>
7090
7091         * varpool.c (debug_varpool): New.
7092         * cgraph.h (debug_varpool): Declare.
7093
7094 2009-04-02  Jan Hubicka  <jh@suse.cz>
7095
7096         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7097         pass.
7098
7099 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7100
7101         * config/i386/i386.c (ix86_abi): Move initialization to ...
7102         (override_options): Here.
7103
7104 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7105
7106         * config/sh/sh.c (sh_dwarf_register_span): New function.
7107         (TARGET_DWARF_REGISTER_SPAN): Define.
7108         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7109
7110 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7111
7112         PR tree-optimization/39595
7113         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7114         interleaved loads group is not  greater than the SLP group size.
7115
7116 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7117
7118         * builtins.c (is_builtin_name): New.
7119         (called_as_built_in): Use is_builtin_name.
7120         * tree.h (is_builtin_name): New.
7121         * varasm.c (incorporeal_function_p): Use is_builtin_name
7122
7123 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7124
7125         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7126
7127 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7128
7129         PR c++/26693
7130         * c-decl.c (clone_underlying_type): Move this ...
7131         * c-common.c (set_underlying_type): ... here.
7132         Also, make sure the function properly sets TYPE_STUB_DECL() on
7133         the newly created typedef variant type.
7134         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7135         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7136         points.
7137
7138 2009-04-02  Richard Guenther  <rguenther@suse.de>
7139
7140         PR tree-optimization/37221
7141         * tree-flow.h (degenerate_phi_result): Declare.
7142         * tree-ssa-dom.c (degenerate_phi_result): Export.
7143         * tree-scalar-evolution.c (analyze_initial_condition): If
7144         the initial condition is defined by a degenerate PHI node
7145         use the degenerate value.
7146
7147 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7148
7149         PR rtl-optimization/39588
7150         * combine.c (merge_outer_ops): Do not set the constant when this
7151         is not necessary.
7152         (simplify_shift_const_1): Do not modify it either in this case.
7153
7154 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7155
7156         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7157         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7158
7159 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7160
7161         PR c/29027
7162         * c-lex.c (interpret_float): Default (no suffix) is double.
7163
7164 2009-04-1  Xinliang David Li  <davidxl@google.com>
7165
7166         * config/i386/i386.c (legitimate_constant_p): Recognize
7167         all one vector constant.
7168
7169 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7170
7171         * config/vax/vax.c: Add #includes to silence warnings.
7172         Change #include order to silence two warnings.
7173
7174 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7175
7176         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7177         (ASM_SPEC): Pass -k to the assembler for PIC code.
7178
7179 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7180
7181         * config.gcc: Add vax-*-linux* to the switch.
7182         * config/vax/linux.h: New file. (TARGET_VERSION,
7183         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7184
7185 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7186
7187         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7188         Use predicate macros instead of GET_CODE() == foo.
7189         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7190         ashlsi3, rotrsi3, <unnamed>): Likewise.
7191
7192 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7193
7194         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7195         jbbccihi, jbbccisi): Remova trailing whitespace.
7196         * config/vax/constraints.md: Likewise.
7197         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7198         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7199         * config/vax/predicates.md: Likewise.
7200         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7201         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7202         * config/vax/vax.h: Likewise.
7203         * config/vax/vax.md (nonlocal_goto): Likewise.
7204
7205 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7206
7207         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7208         (indirectable_address_p, adjacent_operands_p): Add spaces around
7209         braces.
7210         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7211
7212 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7213
7214         * config/vax/vax.c (legitimate_constant_address_p,
7215         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7216         index_term_p, reg_plus_index_p, legitimate_address_p,
7217         vax_mode_dependent_address_p): Update comments to match functions
7218         modified by the recent int->bool conversion.
7219
7220 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7221
7222         * config/vax/builtins.md: Update copyright message.
7223         * config/vax/constraints.md: Likewise.
7224         * config/vax/netbsd-elf.h: Likewise.
7225         * config/vax/predicates.md: Likewise.
7226         * config/vax/vax-protos.h: Likewise.
7227         * config/vax/vax.c: Likewise.
7228         * config/vax/vax.h: Likewise.
7229         * config/vax/vax.md: Likewise.
7230         * config/vax/vax.opt: Likewise.
7231
7232 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7233
7234         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7235         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7236         * config/vax/constraints.md (B, R): Likewise.
7237         * config/vax/predicates.md (external_memory_operand,
7238         nonimmediate_addsub_di_operand): Likewise.
7239         * config/vax/vax.c (vax_output_int_add): Likewise.
7240         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7241         untyped_call): Likewise.
7242
7243 2009-04-01  Matt Thomas  <matt@3am-software.com>
7244
7245         * config/vax/predicates.md: New file.
7246         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7247         external_const_operand, nonsymbolic_operand, external_memory_operand,
7248         indirect_memory_operand, indexed_memory_operand,
7249         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7250         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7251         predicate.
7252         * config/vax/constraints.md: New file.
7253         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7254         New constraint.
7255         * config/vax/builtins.md: New file.
7256         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7257         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7258         jbbccisi): Define.
7259         * config/vax/vax.opt (mqmath): Add option.
7260         * config/vax/vax.md (isfx): Extend with DI.
7261         (VAXintQH, VAXintQHSD): Define.
7262         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7263         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7264         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7265         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7266         (movdi): Update constraints and use vax_output_int_move().
7267         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7268         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7269         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7270         nonlocal_goto): New.
7271         (mov<mode>): Extend accepted operand types.
7272         (subdi3_old): Rename from subdi3, change update constraints and use
7273         a new implementation.
7274         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7275         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7276         MOVE_RATIO, CLEAR_RATIO): Define.
7277         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7278         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7279         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7280         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7281         (split_quadword_operands): Make static and really allow variable
7282         splitting.
7283         (print_operand_address): Update for PIC generation.
7284         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7285         indexable_address_p, fixup_mathdi_operand,
7286         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7287         (vax_float_literal, legitimate_constant_p,
7288         indirectable_constant_address_p, index_term_p,
7289         reg_plus_index_p): Return bool instead of int.
7290         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7291         where needed.
7292         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7293         generation.
7294         (vax_output_conditional_branch): Indent.
7295         (legitimate_constant_address_p, indirectable_constant_address_p,
7296         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7297         vax_mode_dependent_address_p): Return bool instead of int, update for
7298         PIC generation.
7299         * config/vax/vax-protos.h (legitimate_constant_address_p,
7300         legitimate_constant_p, legitimate_address_p,
7301         vax_mode_dependent_address_p): Change declaration to bool.
7302         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7303         vax_expand_addsub_di_operands, vax_output_int_subtract,
7304         vax_output_movmemsi): Declare.
7305         (split_quadword_operands, vax_float_literal): Delete declaration.
7306         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7307         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7308         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7309         ASM_OUTPUT_DWARF_PCREL): Define.
7310         (ASM_SPEC): Change definition to allow PIC generation.
7311
7312 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7313
7314         * doc/sourcebuild.texi: Update front-end requirements.
7315
7316 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7317
7318         PR target/39226
7319         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7320         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7321         (booldi3_internal3): Use boolean_or_operator instead of
7322         boolean_operator.
7323
7324 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7325
7326         PR c/39605
7327         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7328         declarator whose size is not an integer constant expression but
7329         folds to an integer constant, then treat it as a constant
7330         subsequently.
7331
7332 2009-04-01  Richard Guenther  <rguenther@suse.de>
7333
7334         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7335         i * 4 + 2 to (i * 2 + 1) * 2.
7336
7337 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7338
7339         PR c/37772
7340         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7341         return if c_parser_asm_string_literal returned NULL.
7342
7343 2009-04-01  Nick Clifton  <nickc@redhat.com>
7344
7345         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7346         already defined.
7347         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7348         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7349         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7350         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7351         include it.
7352         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7353         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7354         then include it.
7355
7356 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7357
7358         * varasm.c (default_function_rodata_section): Declare DOT as
7359         const char*.
7360
7361 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7362             Andrey Galkin  <agalkin@hypercom.com>
7363
7364         PR/39492
7365         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7366         Make object_name unique for each process.
7367
7368 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7369
7370         PR other/39591
7371         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7372         addressable variables in the parallel that could go out of scope while
7373         running queued tasks.
7374
7375 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7376
7377         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7378         (CASE_VALUES_THRESHOLD): Redefine.
7379         * config/avr/avr.c (avr_override_options): Remove initialization of
7380         avr_case_values_threshold variable.
7381         (avr_case_values_threshold): Remove variable. Add new function.
7382         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7383         * config/avr/avr.opt (mno-tablejump): Remove option.
7384         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7385
7386 2009-04-01  DJ Delorie  <dj@redhat.com>
7387
7388         * varasm.c (default_function_rodata_section): Don't assume
7389         anything about where the first '.' in the section name is.
7390
7391 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7392
7393         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7394         rs6000_emit_stack_tie.
7395
7396 2009-03-31  Ian Lance Taylor  <iant@google.com>
7397
7398         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7399         gimple_code with GIMPLE_RESX, not RESX.
7400
7401 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7402
7403         * c-common.c (c_get_ident): New.
7404         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7405
7406 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7407
7408         * config/rs6000/sysv4.opt (msdata): Improve option description.
7409
7410 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7411
7412         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7413         (divdf3_internal_lat): Remove.
7414         (divxf3_internal_lat): Remove.
7415         (divxf3_internal_thr): Remove.
7416         (divxf): Use divxf3_internal.
7417         * config/ia64/div.md (divsf3_internal_lat): New.
7418         (divdf3_internal_lat): New.
7419         (divxf3_internal): New.
7420
7421 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7422
7423         PR c/448
7424         * Makefile.in (USE_GCC_STDINT): Define.
7425         (stmp-int-hdrs): Install stdint.h if applicable.
7426         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7427         if known.
7428         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7429         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7430         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7431         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7432         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7433         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7434         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7435         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7436         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7437         (c_common_nodes_and_builtins): Initialize
7438         underlying_wchar_type_node.  Do not initialize
7439         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7440         nodes for new types.
7441         (c_stddef_cpp_builtins): Define macros for new types.
7442         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7443         Remove.
7444         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7445         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7446         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7447         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7448         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7449         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7450         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7451         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7452         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7453         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7454         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7455         int16_type_node, int32_type_node, int64_type_node,
7456         uint8_type_node, uint16_type_node, c_uint32_type_node,
7457         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7458         int_least32_type_node, int_least64_type_node,
7459         uint_least8_type_node, uint_least16_type_node,
7460         uint_least32_type_node, uint_least64_type_node,
7461         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7462         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7463         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7464         uintptr_type_node): Define.
7465         * c-cppbuiltin.c (builtin_define_constants,
7466         builtin_define_type_minmax): New.
7467         (builtin_define_stdint_macros): Define more macros.
7468         (c_cpp_builtins): Define more limit macros.
7469         (type_suffix): New.
7470         (builtin_define_type_max): Define in terms of
7471         builtin_define_type_minmax.  Remove is_long parameter.  All
7472         callers changed.
7473         * config.gcc (use_gcc_stdint): Define.
7474         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7475         Add newlib-stdint.h for generic targets.
7476         * config/glibc-stdint.h, config/newlib-stdint.h,
7477         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7478         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7479         * config/score/score.h (UINTPTR_TYPE): Define.
7480         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7481         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7482         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7483         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7484         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7485         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7486         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7487         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7488         * config/spu/spu.h (STDINT_LONG32): Define.
7489         * configure.ac (use_gcc_stdint): Substitute.
7490         * configure: Regenerate.
7491         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7492         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7493         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7494         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7495         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7496         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7497         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7498         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7499         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7500         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7501         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7502         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7503         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7504         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7505         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7506         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7507         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7508         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7509         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7510         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7511         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7512         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7513         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7514         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7515         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7516         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7517         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7518         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7519         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7520
7521 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7522
7523         * loop-iv.c (suitable_set_for_replacement): Renamed from
7524         simplify_using_assignment; changed to return bool and to accept new
7525         args DEST and SRC.  Return true iff we find a source/destination pair
7526         that can be used to make a replacement, and fill SRC and DEST if so.
7527         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7528         changed.
7529         (simplify_using_initial_values): Deal with altered regs here and track
7530         more precisely the effect they have on the validity of our expression.
7531
7532         * loop-iv.c (simplify_using_condition): A condition of the form
7533         (EQ REG CONST) can be used to simply make a substitution.
7534         (simplify_using_initial_values): Keep track of conditions we have seen
7535         and keep using them to simplify new expressions, while applying the
7536         same substitutions to them as to the expression.
7537
7538         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7539         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7540         GEU/LTU reversed.
7541
7542         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7543         changed.  Use this when trying to improve the upper bound.
7544         Generate the comparison by using simplify_gen_relational.
7545
7546         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7547
7548         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7549         functions.
7550         (simplify_using_assignment, simplify_using_initial_values): Call
7551         replace_in_expr to make replacements.  Call replace_single_def_regs
7552         once on the initial version of the expression.
7553
7554 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7555
7556         PR target/27237
7557         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7558
7559 2009-03-31  Richard Guenther  <rguenther@suse.de>
7560
7561         PR middle-end/31029
7562         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7563         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7564
7565 2009-03-31  Richard Guenther  <rguenther@suse.de>
7566
7567         * tree.h (div_if_zero_remainder): Declare.
7568         * fold-const.c (div_if_zero_remainder): Export.
7569         * tree-ssa-forwprop.c
7570         (forward_propagate_addr_into_variable_array_index): Handle
7571         constant array index addition outside of the variable index.
7572
7573 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7574
7575         PR target/39592
7576         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7577         define_splits, floatunssi<mode>2): Require x87 conversions from
7578         DImode to be permitted.
7579
7580 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7581
7582         PR preprocessor/15638
7583         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7584
7585 2009-03-31  Richard Guenther  <rguenther@suse.de>
7586
7587         PR middle-end/23401
7588         PR middle-end/27810
7589         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7590         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7591         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7592         a separate statement.
7593         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7594         (lookup_tmp_var): Likewise.
7595         (is_gimple_formal_tmp_or_call_rhs): Remove.
7596         (is_gimple_reg_or_call_rhs): Rename to ...
7597         (is_gimple_reg_rhs_or_call): ... this.
7598         (is_gimple_mem_or_call_rhs): Rename to ...
7599         (is_gimple_mem_rhs_or_call): ... this.
7600         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7601         DECL_GIMPLE_REG_P only if is_formal is true.
7602         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7603         for non-proper post-modify expression gimplification.
7604         (gimplify_self_mod_expr): For post-modify expressions gimplify
7605         the lvalue to a minimal lvalue.
7606         (rhs_predicate_for): Remove formal temp case.
7607         (gimplify_modify_expr_rhs): Likewise.
7608         (gimplify_addr_expr): Use is_gimple_reg.
7609         (gimplify_expr): Remove formal temp cases.
7610         (gimple_regimplify_operands): Likewise.
7611         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7612         and FILTER_EXPR like constants.
7613         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7614         is_gimple_reg.
7615         (is_gimple_formal_tmp_rhs): Remove.
7616         (is_gimple_reg_rhs): Remove special casing.
7617         (is_gimple_mem_rhs): Fix.
7618         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7619         (is_gimple_formal_tmp_var): Remove.
7620         (is_gimple_formal_tmp_reg): Likewise.
7621         (is_gimple_min_lval): Allow invariant component ref parts.
7622         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7623         is_gimple_formal_tmp_reg): Remove declarations.
7624         * tree-cfg.c (verify_expr): Verify that variables with address
7625         taken do not have DECL_GIMPLE_REG_P set.
7626         * tree-mudflap.c (mf_build_check_statement_for): Use
7627         force_gimple_operand instead of gimplify_expr.
7628
7629 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7630
7631         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7632         schedulable rows to compute_split_row.
7633
7634 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7635
7636         PR target/31635
7637         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7638         OPT_mvrsave.
7639
7640 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7641
7642         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7643         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7644         * configure: Regenerate.
7645         * config.in: Regenerate.
7646         * config/rs6000/rs6000.opt (mtls-markers): Add.
7647         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7648         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7649         (tls_ld_aix, tls_ld_sysv): Likewise.
7650         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7651         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7652
7653 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7654
7655         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7656
7657 2009-03-30  Jan Hubicka  <jh@suse.cz>
7658
7659         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7660         out of RESX.
7661         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7662         detection and label handling.
7663
7664 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7665
7666         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7667         left_conflicts_size.
7668         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7669         ALLOCNO_LEFT_CONFLICTS_SIZE.
7670
7671         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7672         remove_allocno_from_bucket_and_push,
7673         allocno_spill_priority_compare, push_allocnos_to_stack,
7674         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7675         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7676         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7677         setup_allocno_left_conflicts_size.
7678         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7679         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7680         setup_allocno_left_conflicts_size instead of
7681         setup_allocno_left_conflicts_num.
7682
7683         * ira-build.c (ira_create_allocno): Use
7684         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7685         ALLOCNO_LEFT_CONFLICTS_NUM.
7686
7687 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7688
7689         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7690         instead of DF_LR_OUT.
7691
7692         * ira-lives.c (process_bb_node_lives): Ditto.
7693
7694         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7695         instead of DF_LR_{OUT,IN}.
7696
7697         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7698
7699         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7700
7701 2009-03-30  Jan Hubicka  <jh@suse.cz>
7702
7703         * except.c (label_to_region_map): Fix thinko.
7704
7705 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7706
7707         PR middle-end/38237
7708         * tree.h (tree_find_value): New declaration.
7709         * tree.c (tree_find_value): New function.
7710         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7711
7712 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7713
7714         PR debug/39563
7715         * c-decl.c (struct c_binding): Add locus field.
7716         (bind): Add locus argument, set locus field from it.
7717         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7718         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7719         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7720         implicitly_declare, undeclared_variable, lookup_label,
7721         declare_label, c_make_fname_decl, c_builtin_function,
7722         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7723         bind callers.
7724
7725 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7726
7727         PR target/38781
7728         * config/i386/i386.c (classify_argument): Check total size of
7729         structure.
7730
7731 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7732
7733         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7734         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7735         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7736         respectively.
7737
7738         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7739         seen_variable_array_ref while also traversing a union.
7740
7741         * tree-inline.c (optimize_inline_calls): Do not call
7742         cgraph_node_remove_callees.
7743         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7744         (pass_remove_cgraph_callee_edges): New variable.
7745         * passes.c (init_optimization_passes): Add
7746         pass_remove_cgraph_callee_edges after early inlining and before all
7747         late intraprocedural passes.
7748
7749         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7750
7751 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7752
7753         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7754         Fix typos in names.
7755
7756 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7757
7758         * combine.c (simplify_comparison): Use have_insn_for.
7759         * dojump.c (do_jump): Likewise.
7760
7761 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7762
7763         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7764         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7765         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7766         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7767         instead of sparc_compare_emitted.
7768         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7769         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7770         instead of sparc_compare_emitted.
7771
7772 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7773
7774         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7775         enter/exit cfglayout mode.
7776         (pass_partition_block): Require it.
7777         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7778         (combine_instructions): Track basic blocks instead of labels.
7779         (update_cfg_for_uncondjump): New.
7780         (try_combine): Use it.  Update jumps after rescanning.
7781         (pass_combine): Require PROP_cfglayout.
7782         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7783
7784 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7785
7786         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7787         Provide/destroy PROP_cfglayout respectively.
7788         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7789         * tree-pass.h (PROP_cfglayout): New.
7790
7791 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7792
7793         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7794         fold_convert_const_fixed_from_fixed,
7795         fold_convert_const_fixed_from_int,
7796         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7797         set TREE_CONSTANT_OVERFLOW.
7798         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7799         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7800
7801 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7802
7803         * tree-vect-loop-manip.c: New file.
7804         * tree-vectorizer.c: Update documentation and included files.
7805         (vect_loop_location): Make extern.
7806         (rename_use_op): Move to tree-vect-loop-manip.c
7807         (rename_variables_in_bb, rename_variables_in_loop,
7808         slpeel_update_phis_for_duplicate_loop,
7809         slpeel_update_phi_nodes_for_guard1,
7810         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7811         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7812         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7813         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7814         find_loop_location): Likewise.
7815         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7816         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7817         get_vectype_for_scalar_type, vect_is_simple_use,
7818         supportable_widening_operation, supportable_narrowing_operation):
7819         Likewise.
7820         (bb_in_loop_p): Move to tree-vect-loop.c.
7821         (new_loop_vec_info, destroy_loop_vec_info,
7822         reduction_code_for_scalar_code, report_vect_op,
7823         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7824         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7825         (vect_supportable_dr_alignment): Likewise.
7826         * tree-vectorizer.h (tree-data-ref.h): Include.
7827         (vect_loop_location): Declare.
7828         Reorganize function declarations according to the new file structure.
7829         * tree-vect-loop.c: New file.
7830         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7831         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7832         * tree-vect-data-refs.c: New file.
7833         * tree-vect-patterns.c (timevar.h): Don't include.
7834         * tree-vect-stmts.c: New file.
7835         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7836         tree-vect-slp.c, tree-vect-loop.c.
7837         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7838         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7839         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7840         (tree-vect-analyze.o): Remove.
7841         (tree-vect-transform.o): Likewise.
7842         (tree-vect-data-refs.o): Add rule.
7843         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7844         tree-vect-slp.o): Likewise.
7845         (tree-vect-patterns.o): Remove redundant dependencies.
7846         (tree-vectorizer.o): Likewise.
7847         * tree-vect-slp.c: New file.
7848
7849 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7850
7851         * optc-gen.awk: Warn if an option flag has multiple different
7852         help strings.
7853
7854 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7855
7856         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7857         -floop-block): Document dependences on PPL, CLooG and Graphite.
7858
7859 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7860
7861         PR rtl-optimization/323
7862         * c-common.c (c_fully_fold, convert_and_check,
7863         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7864         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7865         * c-common.def (EXCESS_PRECISION_EXPR): New.
7866         * c-cppbuiltin.c (builtin_define_float_constants): Define
7867         constants with enough digits for long double.
7868         * c-lex.c (interpret_float): Interpret constant with excess
7869         precision where appropriate.
7870         * c-opts.c (c_common_post_options): Set
7871         flag_excess_precision_cmdline.  Give an error for
7872         -fexcess-precision=standard for C++ for processors where the
7873         option is significant.
7874         * c-parser.c (c_parser_conditional_expression): Handle excess
7875         precision in condition.
7876         * c-typeck.c (convert_arguments): Handle arguments with excess
7877         precision.
7878         (build_unary_op): Move excess precision outside operation.
7879         (build_conditional_expr): Likewise.
7880         (build_compound_expr): Likewise.
7881         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7882         (build_modify_expr): Handle excess precision in RHS.
7883         (convert_for_assignment): Handle excess precision in converted
7884         value.
7885         (digest_init, output_init_element, process_init_element): Handle
7886         excess precision in initializer.
7887         (c_finish_return): Handle excess precision in return value.
7888         (build_binary_op): Handle excess precision in operands and add
7889         excess precision as needed for operation.
7890         * common.opt (-fexcess-precision=): New option.
7891         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7892         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7893         For standard excess precision, output explicit conversion to and
7894         truncation from XFmode.
7895         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7896         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7897         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7898         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7899         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7900         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7901         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7902         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7903         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7904         define_splits, sqrt<mode>2): Disable where appropriate for
7905         standard excess precision.
7906         * convert.c (convert_to_real): Do not shorten arithmetic to type
7907         for which excess precision would be used.
7908         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7909         * doc/invoke.texi (-fexcess-precision=): Document option.
7910         (-mfpmath=): Correct index entry.
7911         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7912         flag_excess_precision): New.
7913         * langhooks.c (lhd_post_options): Set
7914         flag_excess_precision_cmdline.
7915         * opts.c (common_handle_option): Handle -fexcess-precision=.
7916         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7917         init_excess_precision): New.
7918         (lang_dependent_init_target): Call init_excess_precision.
7919         * tree.c (excess_precision_type): New.
7920         * tree.h (excess_precision_type): Declare.
7921
7922 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7923
7924         PR c/35235
7925         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7926         non-lvalue to component.
7927
7928 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7929
7930         PR preprocessor/34695
7931         * Makefile.in (c-opts.o): Depend on c-tree.h.
7932         * c-common.c: Move down include of diagnostic.h.
7933         (done_lexing, c_cpp_error): New.
7934         * c-common.h (done_lexing): Declare.
7935         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7936         (parse_in).
7937         * c-opts.c: Include c-tree.h.
7938         (c_common_init_options): Set preprocessor error callback.
7939         (c_common_handle_option): Do not set preprocessor
7940         inhibit_warnings, warnings_are_errors, warn_system_headers,
7941         pedantic_errors or inhibit_warnings flags.
7942         (c_common_post_options): Do not check cpp_errors (parse_in).
7943         (c_common_finish): Do not output dependencies if there were
7944         errors.  Do not check return value of cpp_finish.
7945         * c-ppoutput.c (pp_file_change): Set input_location.
7946         * c-tree.h (c_cpp_error): Declare.
7947         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7948         override_column.
7949         (diagnostic_build_prefix): Check override_column.
7950         * diagnostic.h (diagnostic_info): Add override_column field.
7951         (diagnostic_override_column): Define.
7952
7953 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7954
7955         * c-common.c (c_expand_expr, c_staticp): Remove.
7956         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7957         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7958         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7959         * c-gimplify.c (gimplify_compound_literal_expr,
7960         optimize_compound_literals_in_ctor): Remove.
7961         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7962         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7963         * c-semantics.c (emit_local_var): Remove.
7964
7965         * langhooks-def.h (lhd_expand_expr): Remove.
7966         * langhooks.c (lhd_expand_expr): Remove.
7967         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7968
7969         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7970         handling from c-semantics.c; don't call into langhook.
7971         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7972         * gimplify.c (gimplify_compound_literal_expr,
7973         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7974         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7975         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7976         as was done in c-gimplify.c.
7977         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7978         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7979         Move from c-common.h.
7980         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7981
7982         * tree.c (staticp): Do not call langhook.
7983         * langhooks.c (lhd_staticp): Delete.
7984         * langhooks-def.h (lhd_staticp): Delete prototype.
7985         (LANG_HOOKS_STATICP): Delete.
7986         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7987
7988         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7989         instead of DECL_STMTs.
7990
7991 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7992
7993         PR c/456
7994         PR c/5675
7995         PR c/19976
7996         PR c/29116
7997         PR c/31871
7998         PR c/35198
7999         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8000         void_type_node.
8001         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8002         contained expression.
8003         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8004         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8005         conditional expressions for C.
8006         (decl_constant_value_for_optimization): Move from
8007         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8008         whether optimizing and that the expression is a VAR_DECL not of
8009         array type instead of doing such checks in the caller.  Do not
8010         check pedantic.  Call gcc_unreachable for C++.
8011         * c-common.def (C_MAYBE_CONST_EXPR): New.
8012         * c-common.h (c_fully_fold, c_save_expr,
8013         decl_constant_value_for_optimization): New prototypes.
8014         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8015         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8016         EXPR_INT_CONST_OPERANDS): Define.
8017         * c-convert.c (convert): Strip nops from expression.
8018         * c-decl.c (groktypename): Take extra parameters expr and
8019         expr_const_operands.  Update call to grokdeclarator.
8020         (start_decl): Update call to grokdeclarator.  Add statement for
8021         expressions used in type of decl.
8022         (grokparm): Update call to grokdeclarator.
8023         (push_parm_decl): Update call to grokdeclarator.
8024         (build_compound_literal): Add parameter non_const and build a
8025         C_MAYBE_COSNT_EXPR if applicable.
8026         (grokdeclarator): Take extra parameters expr and
8027         expr_const_operands.  Track expressions used in declaration
8028         specifiers and declarators.  Fold array sizes and track whether
8029         they are constant expressions and whether they are integer
8030         constant expressions.
8031         (parser_xref_tag): Set expr and expr_const_operands fields in
8032         return value.
8033         (grokfield): Update call to grokdeclarator.
8034         (start_function): Update call to grokdeclarator.
8035         (build_null_declspecs): Set expr and expr_const_operands fields in
8036         return value.
8037         (declspecs_add_type): Handle expressions in typeof specifiers.
8038         * c-parser.c (c_parser_declspecs): Set expr and
8039         expr_const_operands fields for declaration specifiers.
8040         (c_parser_enum_specifier): Likewise.
8041         (c_parser_struct_or_union_specifier): Likewise.
8042         (c_parser_typeof_specifier): Likewise.  Update call to
8043         groktypename.  Fold expression as needed.  Return expressions with
8044         type instead of adding statements.
8045         (c_parser_attributes): Update calls to c_parser_expr_list.
8046         (c_parser_statement_after_labels): Fold expression before passing
8047         to objc_build_throw_stmt.
8048         (c_parser_condition): Fold expression.
8049         (c_parser_asm_operands): Fold expression.
8050         (c_parser_conditional_expression): Use c_save_expr.  Update call
8051         to build_conditional_expr.
8052         (c_parser_alignof_expression): Update call to groktypename.
8053         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8054         original_code.  Fold expression argument of va_arg.  Create
8055         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8056         argument to va_arg.  Update calls to groktypename.  Fold array
8057         index for offsetof.  Verify that first argument to
8058         __builtin_choose_expr has integer type.
8059         (c_parser_postfix_expression_after_paren_type): Update calls to
8060         groktypename and build_compound_literal.  Handle expressions with
8061         side effects in type name.
8062         (c_parser_postfix_expression_after_primary): Update call to
8063         c_parser_expr_list.  Set original_code for calls to
8064         __builtin_constant_p.
8065         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8066         expressions if requested.
8067         (c_parser_objc_type_name): Update call to groktypename.
8068         (c_parser_objc_synchronized_statement): Fold expression.
8069         (c_parser_objc_receiver): Fold expression.
8070         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8071         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8072         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8073         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8074         (struct c_typespec): Add elements expr and expr_const_operands.
8075         (struct c_declspecs): Add elements expr and expr_const_operands.
8076         (groktypename, build_conditional_expr, build_compound_literal):
8077         Update prototypes.
8078         (in_late_binary_op): Declare.
8079         * c-typeck.c (note_integer_operands): New function.
8080         (in_late_binary_op): New variable.
8081         (decl_constant_value_for_broken_optimization): Move to c-common.c
8082         and rename to decl_constant_value_for_optimization.
8083         (default_function_array_conversion): Do not strip nops.
8084         (default_conversion): Do not call
8085         decl_constant_value_for_broken_optimization.
8086         (build_array_ref): Do not fold result.
8087         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8088         result when operand is a VLA.
8089         (c_expr_sizeof_type): Update call to groktypename.  Handle
8090         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8091         result when operand names a VLA type.
8092         (build_function_call): Update call to build_compound_literal.
8093         Only fold result for calls to __builtin_* functions.  Strip
8094         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8095         the function designator.
8096         (convert_arguments): Fold arguments.  Update call to
8097         convert_for_assignment.
8098         (build_unary_op): Handle increment and decrement of
8099         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8100         decrement earlier.  Fold operand of increment and decrement.
8101         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8102         built for integer operand.  Wrap returns that are INTEGER_CSTs
8103         without being integer constant expressions or that have integer
8104         constant operands without being INTEGER_CSTs.
8105         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8106         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8107         result is an integer constant expression or can be used in
8108         unevaluated parts of one and avoid folding and wrap as
8109         appropriate.  Fold operands before possibly doing -Wsign-compare
8110         warnings.
8111         (build_compound_expr): Wrap result for C99 if operands can be used
8112         in integer constant expressions.
8113         (build_c_cast): Update call to digest_init.  Do not ignore
8114         overflow from casting floating-point constants to integers.  Wrap
8115         results that could be confused with integer constant expressions,
8116         null pointer constants or floating-point constants.
8117         (c_cast_expr): Update call to groktypename.  Handle expressions
8118         included in type name.
8119         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8120         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8121         Update calls to convert_for_assignment.
8122         (convert_for_assignment): Take new parameter
8123         null_pointer_constant.  Do not strip nops or call
8124         decl_constant_value_for_broken_optimization.  Set
8125         in_late_binary_op for conversions to boolean.
8126         (store_init_value): Update call to digest_init.
8127         (digest_init): Take new parameter null_pointer_constant.  Do not
8128         call decl_constant_value_for_broken_optimization.  pedwarn for
8129         initializers not constant expressions.  Update calls to
8130         convert_for_assignment.
8131         (constructor_nonconst): New.
8132         (struct constructor_stack): Add nonconst element.
8133         (really_start_incremental_init, push_init_level, pop_init_level):
8134         Handle constructor_nonconst and nonconst element.
8135         (set_init_index): Call constant_expression_warning for array
8136         designators.
8137         (output_init_element): Fold value.  Set constructor_nonconst as
8138         applicable.  pedwarn for initializers not constant expressions.
8139         Update call to digest_init.  Call constant_expression_warning
8140         where constant initializers are required.
8141         (process_init_element): Use c_save_expr.
8142         (c_finish_goto_ptr): Fold expression.
8143         (c_finish_return): Fold return value.  Update call to
8144         convert_for_assignment.
8145         (c_start_case): Fold switch expression.
8146         (c_process_expr_stmt): Fold expression.
8147         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8148         ensure statement expression is not evaluated in constant expression.
8149         (build_binary_op): Track whether results are integer constant
8150         expressions or may occur in such, disable folding and wrap results
8151         as applicable.  Fold operands for -Wsign-compare warnings unless
8152         in_late_binary_op.
8153         (c_objc_common_truthvalue_conversion): Handle results folded to
8154         integer constants that are not integer constant expressions.
8155         * doc/extend.texi: Document when typeof operands are evaluated,
8156         that condition of __builtin_choose_expr is an integer constant
8157         expression, and more about use of __builtin_constant_p in
8158         initializers.
8159
8160 2009-03-29  Richard Guenther  <rguenther@suse.de>
8161
8162         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8163         propagate addresses of array references.
8164
8165 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8166
8167         * regmove.c (perhaps_ends_bb_p): Remove.
8168         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8169         from INSN and check that the main loop stays within that basic block.
8170         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8171         (regmove_forward_pass): Split out from regmove_optimize.  Use
8172         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8173         (regmove_backward_pass): Split out from regmove_optimize.  Use
8174         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8175         (regmove_optimize): Simplify.
8176
8177 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8178
8179         PR target/39545
8180         * config/i386/i386.c (classify_argument): Ignore flexible array
8181         member in struct and warn ABI change.
8182
8183 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8184
8185         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8186
8187         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8188         (ix86_adjust_cost): Updated.
8189
8190 2009-03-29  Jan Hubicka  <jh@suse.cz>
8191
8192         PR middle-end/28850
8193         * tree-pass.h (pass_cleanup_eh): New function.
8194         (remove_unreachable_regions): Break code handling RTL
8195         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8196         that can not be reached by runtime.
8197         (can_be_reached_by_runtime): New function.
8198         (label_to_region_map): New function.
8199         (num_eh_regions): New function.
8200         (rtl_remove_unreachable_regions): New function.
8201         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8202         (remove_eh_region): New function.
8203         * except.h: Include sbitmap and vecprim.
8204         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8205         num_eh_regions): Declare.
8206         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8207         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8208         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8209         (tree_empty_eh_handler_p): New function.
8210         (cleanup_empty_eh): New function.
8211         (cleanup_eh): New function.
8212         (pass_cleanup_eh): New function.
8213
8214 2009-03-29  Jan Hubicka  <jh@suse.cz>
8215
8216         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8217         for removed regions.
8218
8219 2009-03-29  Jan Hubicka  <jh@suse.cz>
8220
8221         * except.c (dump_eh_tree): Dump all datastructures.
8222
8223 2009-03-29  Jan Hubicka  <jh@suse.cz>
8224
8225         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8226         (duplicate_eh_regions_1): Likewise.
8227         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8228         vector; call EH verification.
8229         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8230         Be ready for region being removed.
8231
8232 2009-03-29  Jan Hubicka  <jh@suse.cz>
8233
8234         * bitmap.c (bitmap_last_set_bit): New function.
8235         * bitmap.h (bitmap_last_set_bit): Declare.
8236
8237 2009-03-29  David Ayers  <ayers@fsfe.org>
8238
8239         PR objc/27377
8240         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8241         by calling objc_compare_types and surpress warnings about
8242         incompatible C pointers that are compatible ObjC pointers.
8243
8244 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8245
8246         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8247         call initialize_inline_failed.
8248         (initialize_inline_failed): Move it from here ...
8249         * cgraph.c (initialize_inline_failed): ... to here.
8250         (cgraph_create_edge): Call initialize_inline_failed rather than
8251         setting inline_failed directly.
8252
8253 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8254
8255         PR target/32542
8256         * sysv4.opt (msdata): Improve comment.
8257         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8258         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8259
8260 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8261
8262         PR target/30451
8263         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8264         load and store attributes.
8265
8266 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8267
8268         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8269         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8270         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8271         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8272         __builtin_infq and __builtin_huge_valq.
8273
8274 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8275
8276         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8277         atmega8m1 devices.
8278         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8279         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8280
8281 2009-03-28  Xinliang David Li  <davidxl@google.com>
8282
8283         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8284         (do_dbg_cnt): New function.
8285
8286 2009-03-28  Jan Hubicka  <jh@suse.cz>
8287
8288         Merge from pretty-ipa:
8289
8290         2009-03-27  Jan Hubicka  <jh@suse.cz>
8291
8292         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8293         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8294         * passes.c (function_called_by_processed_nodes_p): New.
8295         * ipa-pure-const.c (check_call): Fix handling of operands.
8296         (analyze_function): Dump debug output for skipped bodies.
8297         (local_pure_const): Use function_called_by_processed_nodes_p.
8298         * dwarf2out.c (reference_to_unused): Use output.
8299         * passes.c (do_per_function_toporder): Likewise.
8300
8301         2008-11-12  Jan Hubicka  <jh@suse.cz>
8302
8303         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8304         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8305         state_set_in_source enum
8306         (check_decl): Ignore memory tags; do not set fake looping flags;
8307         dump diagnostics.
8308         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8309         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8310         (check_call, analyze_function): Rewrite.
8311         (check_stmt): New.
8312         (add_new_function): Update call of analyze_function.
8313         (generate_summary): Add call of analyze_function.
8314         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8315         (local_pure_const): New function.
8316         (pass_local_pure_const): New pass.
8317         * ipa-inline.c (inline_transform): Set after_inlining.
8318         * tree-eh.c (stmt_can_throw_external): New.
8319         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8320         work with aliasing built.
8321         * tree-flow.h (stmt_can_throw_external): New.
8322         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8323         and local pure/const pass in early and late optimization queue.
8324
8325 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8326
8327         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8328         allow_func_align.
8329         (fold_binary): Allow function decl aligment consideration is the
8330         second argument is integer constant one.
8331         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8332         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8333         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8334
8335 2009-03-28  Jan Hubicka  <jh@suse.cz>
8336
8337         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8338         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8339         * function.h (rtl_data): Add nothrow flag.
8340         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8341         set DECL_NOTHROW for AVAILABLE functions.
8342
8343 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8344
8345         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8346         following vector keyword has expansion starting with pixel or bool
8347         keyword, expand vector to __vector and pixel or bool to __pixel or
8348         __bool.
8349
8350         PR c++/39554
8351         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8352         warn_if_disallowed_function_p): Removed.
8353         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8354         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8355         warning_if_disallowed_function_p.
8356         * flags.h (warn_if_disallowed_function_p,
8357         warn_disallowed_functions): Removed.
8358         * common.opt (Wdisallowed-function-list=): Removed.
8359         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8360
8361 2009-03-28  Richard Guenther  <rguenther@suse.de>
8362
8363         PR tree-optimization/38723
8364         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8365         the entry block.
8366
8367 2009-03-28  Jan Hubicka  <jh@suse.cz>
8368
8369         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8370         test introduced by my previous patch.
8371
8372 2009-03-28  Richard Guenther  <rguenther@suse.de>
8373
8374         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8375         the PHIs value undefined.
8376
8377 2009-03-28  Jan Hubicka  <jh@suse.cz>
8378
8379         * tree-pass.h (pass_fixup_cfg): New pass.
8380         * ipa-inline.c (inline_transform): Set
8381         always_inline_functions_inlined/after_inlining.
8382         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8383         (pass_fixup_cfg): New pass.
8384         * passes.c (init_optimization_passes): Add fixup_cfg.
8385
8386 2009-03-28  Richard Guenther  <rguenther@suse.de>
8387
8388         PR tree-optimization/38458
8389         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8390         argument use the arguments copy-of value.
8391
8392 2009-03-28  Richard Guenther  <rguenther@suse.de>
8393
8394         PR tree-optimization/38180
8395         * tree-ssa-ccp.c (get_default_value): Simplify.
8396         (likely_value): Likewise.
8397         (surely_varying_stmt_p): Properly handle VOP case.
8398         (ccp_initialize): Likewise.
8399         (ccp_fold): Handle propagating through *&.
8400         (fold_const_aggregate_ref): Also handle decls.
8401
8402 2009-03-28  Jan Hubicka  <jh@suse.cz>
8403
8404         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8405         * cgraph.h (cgraph_node): Likewise.
8406         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8407         (cgraph_reset_node): Use process flag.
8408         (cgraph_mark_functions_to_output): Likewise.
8409         (cgraph_expand_function): Likewise.
8410         (cgraph_expand_all_functions): Likewise.
8411         (cgraph_output_in_order): Likewise.
8412         * dwarf2out.c (reference_to_unused): Likewise.
8413         * passes.c do_per_function_toporder): Likewise.
8414
8415 2009-03-28  Jan Hubicka  <jh@suse.cz>
8416
8417         Bring from lto-branch:
8418
8419         2008-09-03  Doug Kwan  <dougkwan@google.com>
8420
8421         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8422         enums instead of reason strings.
8423         * cgraph.c (cgraph_create_edge): Same.
8424         (cgraph_inline_failed_string): New function.
8425         * cgraph.h (cgraph_inline_failed_t): New enum type.
8426         (cgraph_inline_failed_string): New prototype.
8427         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8428         char pointer to cgraph_inline_failed_t.
8429         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8430         (cgraph_default_inline_p): Ditto.
8431         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8432         to cgraph_inline_failed_t pointer.
8433         * cif-code.def: New file.
8434         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8435         reason string.
8436         (cgraph_check_inline_limits): Change type of REASON to pointer to
8437         cgraph_inline_failed_t.  Replace reason strings with enums.
8438         (cgraph_default_inline_p): Ditto.
8439         (cgraph_recursive_inlining_p): Ditto.
8440         (update_caller_keys): Change type of FAILED_REASON to
8441         cgraph_inline_failed_t.
8442         (cgraph_set_inline_failed): Change type of REASON to pointer to
8443         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8444         convert enums to strings for text output.
8445         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8446         to be of type cgraph_inline_failed_t.  Replace reason strings with
8447         enums.  Call cgraph_inline_failed_string to covert enums
8448         to strings for text output.
8449         (cgraph_decide_inlining): Replace reason strings with enums.
8450         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8451         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8452         for text output.
8453         * tree-inline.c (expand_call_inline): Change type of REASON
8454         to cgraph_inline_failed_t.  Replace reason strings with enums.
8455         Call cgraph_inline_failed_string for text output.
8456         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8457         (cgraph.o): Ditto.
8458
8459 2009-03-28  Jan Hubicka  <jh@suse.cz>
8460
8461         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8462         cgraph_clone_node): Remove master clone handling.
8463         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8464         * cgraph.h (master_clone): Remove.
8465         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8466         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8467         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8468
8469 2009-03-28  Jan Hubicka  <jh@suse.cz>
8470
8471         * cgraph.c (cgraph_function_body_availability): Functions declared
8472         inline are always safe to assume that it is not going to be replaced.
8473
8474 2009-03-28  Richard Guenther  <rguenther@suse.de>
8475
8476         PR tree-optimization/38513
8477         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8478         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8479         EXC_PTR_EXPR and FILTER_EXPR.
8480         (get_ref_from_reference_ops): Likewise.
8481
8482 2009-03-28  Richard Guenther  <rguenther@suse.de>
8483
8484         PR tree-optimization/38968
8485         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8486         Use FLOOR_MOD_EXPR to compute misalignment.
8487
8488 2009-03-28  Richard Guenther  <rguenther@suse.de>
8489
8490         PR tree-optimization/37795
8491         * tree.h (combine_comparisons): Declare.
8492         * fold-const.c (combine_comparisons): Export.
8493         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8494         comparisons.
8495         (ifcombine_iforif): Use combine_comparisons.
8496
8497 2009-03-28  Jan Hubicka  <jh@suse.cz>
8498
8499         * tree-eh.c (inlinable_call_p): New function.
8500         (make_eh_edges): Use it.
8501         (verify_eh_edges): Use it.
8502         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8503         * except.c (reachable_next_level): Add inlinable_function argument
8504         (sjlj_find_directly_reachable_regions): Update.
8505         (add_reachable_handler): Do not set saw_any_handlers.
8506         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8507         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8508         Add new inlinable call parameter.
8509         (can_throw_internal, can_throw_external): Update.
8510         * except.h (can_throw_internal_1, can_throw_external_1,
8511         foreach_reachable_handler): Update declaration.
8512
8513 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8514
8515         * config/arm/t-arm-coff, config/h8300/coff.h,
8516         config/i386/i386-aout.h, config/i386/i386-coff.h,
8517         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8518         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8519         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8520         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8521         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8522         sys-types.h: Remove.
8523         * Makefile.in: Remove protoize and fixproto support and references
8524         in comments.
8525         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8526         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8527         Remove.
8528         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8529         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8530         unprotoize$(exeext).
8531         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8532         (.PHONY): Don't depend on proto.
8533         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8534         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8535         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8536         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8537         build/gen-protos.o, build/scan.o, xsys-protos.h,
8538         build/fix-header$(build_exeext), build/fix-header.o,
8539         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8540         stmp-install-fixproto): Remove.
8541         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8542         SYSCALLS.c or fixproto files.
8543         (install-common): Don't install protoize.
8544         (install-headers-tar, install-headers-cpio, install-headers-cp):
8545         Don't depend on $(STMP_FIXPROTO).
8546         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8547         install fixproto files or write out fixproto settings.
8548         (uninstall): Don't uninstall protoize.
8549         * config.gcc (use_fixproto): Remove.
8550         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8551         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8552         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8553         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8554         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8555         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8556         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8557         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8558         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8559         * config/t-vxworks (STMP_FIXPROTO): Remove.
8560         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8561         STMP_FIXPROTO): Remove.
8562         * config.in, configure: Regenerate.
8563         * crtstuff.c (gid_t, uid_t): Don't undefine.
8564         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8565         (arm-*-coff, arm-*-aout: Remove target entries.
8566         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8567         Remove mention of AIX 4.1.
8568         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8569         * doc/invoke.texi (Running Protoize): Remove.
8570         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8571         (Protoize Caveats): Remove.
8572         * tsystem.h: Update comments on headers assumed to exist.
8573
8574 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8575
8576         * genautomata.c: Add a new year to the copyright.  Add a new
8577         reference.
8578         (struct insn_reserv_decl): Add comments for member bypass_list.
8579         (find_bypass): Remove.
8580         (insert_bypass): New.
8581         (process_decls): Use insert_bypass.
8582         (output_internal_insn_latency_func): Output all bypasses with the
8583         same input insn in one switch case.
8584
8585         * rtl.def (define_bypass): Describe bypass choice.
8586         * doc/md.texi (define_bypass): Ditto.
8587
8588 2009-03-27  Richard Guenther  <rguenther@suse.de>
8589
8590         * gimplify.c (mark_addressable): Export.
8591         * tree-flow.h (mark_addressable): Declare.
8592         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8593         * tree-ssa.c (verify_phi_args): Verify that address taken
8594         variables have TREE_ADDRESSABLE set.
8595
8596 2009-03-27  Richard Guenther  <rguenther@suse.de>
8597
8598         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8599         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8600         Do not mark decls TREE_ADDRESSABLE.
8601         (build_fold_addr_expr): Adjust.
8602         (fold_addr_expr): Remove.
8603         (fold_unary): Use build_fold_addr_expr.
8604         (fold_comparison): Likewise.
8605         (split_address_to_core_and_offset): Likewise.
8606         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8607         TREE_ADDRESSABLE.
8608         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8609         (gimplify_modify_expr_to_memcpy): Mark source and destination
8610         addressable.
8611         * omp-low.c (create_omp_child_function): Mark the object decl
8612         TREE_ADDRESSABLE.
8613         (lower_rec_input_clauses): Mark the var we take the address of
8614         TREE_ADDRESSABLE.
8615         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8616
8617 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8618
8619         PR middle-end/39315
8620         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8621         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8622
8623 2009-03-27  Richard Guenther  <rguenther@suse.de>
8624
8625         PR tree-optimization/39120
8626         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8627         constraints.
8628         (handle_lhs_call): Process return constraints.  Add escape
8629         constraints if necessary.
8630         (handle_const_call): Fill out return constraints.  Make nested
8631         case more precise.  Avoid consttmp if possible.
8632         (handle_pure_call): Fill out return constraints.  Avoid
8633         callused if possible.
8634         (find_func_aliases): Simplify call handling.
8635
8636 2009-03-27  Richard Guenther  <rguenther@suse.de>
8637
8638         PR tree-optimization/39120
8639         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8640         as a representative.
8641         (solve_graph): Do propagate CALLUSED.
8642         (handle_pure_call): Use a scalar constraint from CALLUSED for
8643         the return value.
8644         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8645         solutions.
8646
8647 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8648
8649         PR c/39323
8650         * c-common.c (handle_aligned_attribute): Properly check alignment
8651         overflow.  Use (1U << i) instead of (1 << i).
8652
8653         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8654
8655         * expr.h (get_mem_align_offset): Updated.
8656
8657         * tree.h (tree_decl_common): Change align to "unsigned int" and
8658         move it before pointer_alias_set.
8659
8660 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8661             Jakub Jelinek  <jakub@redhat.com>
8662
8663         PR target/38034
8664         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8665         gr_register_operand with gr_reg_or_0_operand.
8666         (cmpxchg_rel_di): Likewise.
8667         (sync_lock_test_and_set<mode>): Likewise.
8668
8669 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8670
8671         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8672         (true_regnum): Likewise.
8673
8674         * rtlanal.c (subreg_info): Moved to ...
8675         * rtl.h (subreg_info): Here.  New.
8676         (subreg_get_info): New.
8677
8678         * rtlanal.c (subreg_get_info): Make it extern.
8679
8680 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8681
8682         PR target/39472
8683         * config/i386/i386.c (ix86_abi): New.
8684         (override_options): Handle -mabi=.
8685         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8686         (ix86_call_abi_override): Likewise.
8687         (init_cumulative_args): Likewise.
8688         (function_arg_advance): Likewise.
8689         (function_arg_64): Likewise.
8690         (function_arg): Likewise.
8691         (ix86_pass_by_reference): Likewise.
8692         (ix86_function_value_regno_p): Likewise.
8693         (ix86_build_builtin_va_list_abi): Likewise.
8694         (setup_incoming_varargs_64): Likewise.
8695         (is_va_list_char_pointer): Likewise.
8696         (ix86_init_machine_status): Likewise.
8697         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8698         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8699         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8700         (ix86_function_abi): Make it static and return enum calling_abi.
8701         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8702         with ix86_abi.
8703         (ix86_fn_abi_va_list): Updated.
8704
8705         * config/i386/i386.h (ix86_abi): New.
8706         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8707         (CONDITIONAL_REGISTER_USAGE): Likewise.
8708         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8709         (machine_function): Likewise.
8710
8711         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8712         with ix86_abi.
8713         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8714         (STACK_BOUNDARY): Likewise.
8715         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8716
8717         * config/i386/i386.opt (mabi=): New.
8718
8719         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8720         return enum calling_abi.
8721         (ix86_function_type_abi): Likewise.
8722         (ix86_function_abi): Removed.
8723
8724         * doc/invoke.texi: Document -mabi= option for x86.
8725
8726 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8727
8728         * builtins.c (real_dconstp): Delete.
8729         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8730
8731 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8732             Jakub Jelinek  <jakub@redhat.com>
8733
8734         PR debug/37959
8735         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8736         (gen_subprogram_die): When a function is explicit, generate the
8737         DW_AT_explicit attribute.
8738         * langhooks.h (struct lang_hooks_for_decls): Add
8739         function_decl_explicit_p langhook.
8740         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8741         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8742
8743 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8744
8745         * builtins.c (fold_builtin_memory_op): Optimize memmove
8746         into memcpy if we can prove source and destination don't overlap.
8747
8748         * tree-inline.c: Include gt-tree-inline.h.
8749         (clone_fn_id_num): New variable.
8750         (clone_function_name): New function.
8751         (tree_function_versioning): Use it.
8752         * Makefile.in (GTFILES): Add tree-inline.c.
8753
8754 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8755
8756         * BASE-VER: Change to 4.5.0.
8757
8758 2009-03-27  Xinliang David Li  <davidxl@google.com>
8759
8760         PR tree-optimization/39557
8761         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8762
8763 2009-03-27  Xinliang David Li  <davidxl@google.com>
8764
8765         PR tree-optimization/39548
8766         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8767         candidate check.
8768
8769 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8770
8771         * c-common.c (pointer_int_sum): Use %wd on return from
8772         tree_low_cst.
8773
8774 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8775
8776         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8777         on return from tree_low_cst.
8778
8779 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8780
8781         PR c++/36799
8782         * ginclude/stdarg.h (va_copy): Define also for
8783         __GXX_EXPERIMENTAL_CXX0X__.
8784
8785 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8786
8787         PR c++/35652
8788         * builtins.h (c_strlen): Do not warn here.
8789         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8790         * c-common.c (pointer_int_sum): Take an explicit location.
8791         Warn about offsets out of bounds.
8792         * c-common.h (pointer_int_sum): Adjust declaration.
8793
8794 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8795
8796         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8797         markup glitch.
8798
8799 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8800
8801         PR c++/39554
8802         * opts.c (warn_if_disallowed_function_p): Don't assume
8803         get_callee_fndecl must return non-NULL.
8804
8805 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8806
8807         PR rtl-optimization/39522
8808         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8809         when reg_reloaded_valid is set.
8810
8811 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8812
8813         * config/spu/divv2df3.c: New file.
8814         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8815         (DPBIT_FUNCS): Filter out _div_df.
8816
8817 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8818
8819         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8820         a jump insn, count that jump in the distance to the loop start.
8821
8822 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8823
8824         PR target/39523
8825         * config/sh/sh.c (calc_live_regs): Fix condition for global
8826         registers except PIC_OFFSET_TABLE_REGNUM.
8827
8828 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8829
8830         PR/39518
8831         * doc/invoke.texi (-mconsole): New.
8832         (-mcygwin): New.
8833         (-mno-cygwin): New.
8834         (-mdll): New.
8835         (-mnop-fun-dllimport): New.
8836         (-mthread): New.
8837         (-mwin32): New.
8838         (-mwindows): New.
8839         (sub section "i386 and x86-64 Windows Options"): New.
8840
8841 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8842
8843         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8844         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8845
8846 2009-03-25  Richard Guenther  <rguenther@suse.de>
8847
8848         PR middle-end/39497
8849         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8850         of -Wno-error.
8851
8852 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8853
8854         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8855         neither of haifa/selective schedulers are working.
8856
8857 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8858
8859         * doc/invoke.texi (Debugging Options): Fix description of
8860         -fno-merge-debug-strings.
8861
8862 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8863
8864         * config/cris/libgcc.ver: New version-script.
8865         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8866
8867         * configure.ac <GAS features, nop mnemonic>: Add pattern
8868         crisv32-*-* for "nop".
8869         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8870         * configure: Regenerate.
8871
8872 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8873
8874         PR tree-optimization/39529
8875         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8876         mark_sym_for_renaming for the tag copied to the new vector
8877         pointer.
8878
8879 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8880
8881         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8882         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8883         EXTRA_SPEC_FUNCTIONS.
8884         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8885         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8886         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8887         -march and -mtune options.
8888
8889 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8890
8891         * config/m68k/t-rtems: Add m5329 multilib.
8892
8893 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8894             Jakub Jelinek  <jakub@redhat.com>
8895
8896         PR debug/39524
8897         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8898         nodes.
8899
8900 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8901
8902         PR c/39495
8903         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8904         instead of c_parser_expression_conv, if original_code isn't one of the
8905         4 allowed comparison codes, fail.
8906
8907 2009-03-23  Richard Guenther  <rguenther@suse.de>
8908
8909         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8910         * tree.h (struct tree_type): Likewise.
8911         * reload.h (struct insn_chain): Likewise.
8912         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8913         * function.h (struct function): Likewise.
8914         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8915
8916 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8917
8918         PR tree-optimization/39516
8919         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8920
8921 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8922
8923         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8924         should be set true if BITS_PER_WORD of target is bigger than 32
8925
8926 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8927
8928         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8929         Translate -B-options to -rpath-link.  Correct existing
8930         rpath-link and conditionalize on !nostdlib.
8931
8932 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8933
8934         * doc/extend.texi (Function Attributes, Variable Attributes):
8935         Fix typos.
8936         * doc/invoke.texi (Debugging Options, Optimize Options)
8937         (i386 and x86-64 Options, MCore Options): Likewise.
8938
8939 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8940
8941         PR debug/37890
8942         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8943         it for block local namespace aliases.
8944         (gen_decl_die): Pass context_die to gen_namespace_die.
8945
8946 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8947
8948         PR c/39495
8949         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8950         minimum or maximum value.
8951
8952 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8953
8954         * reginfo.c (globalize_reg): Recompute derived reg sets.
8955
8956 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8957
8958         PR target/39063
8959         * libgcc2.c (mprotect): Do not use signed arguments for
8960         VirtualProtect, use DWORD arguments.  Also fix the 'may
8961         be used uninitialized' warning for the np variable.
8962
8963 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8964
8965         PR target/39496
8966         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8967         functions using regparm calling conventions when not optimizing.
8968         (ix86_function_sseregparm): Similarly for sseregparm calling
8969         conventions.
8970
8971 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8972
8973         PR middle-end/39500
8974         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8975         dependence if the first conflict is after niter iterations.
8976
8977 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8978
8979         PR middle-end/38609
8980         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8981         functions with dynamic stack-pointer adjustments.
8982
8983 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8984
8985         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8986         option; change to -msdata=data.
8987
8988 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8989
8990         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8991         and -fopenmp.
8992
8993 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8994
8995         PR target/35180
8996         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8997
8998 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8999
9000         * doc/invoke.texi (Code Gen Options): Expand discussion of
9001         -fno-common.
9002
9003 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9004
9005         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9006         * matrix-reorg.c (struct matrix_info): Likewise.
9007         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9008         * rtl.h (struct mem_attrs): Likewise.
9009         * df.h (struct df): Likewise.
9010         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9011         * ira-int.h (struct ira_allocno): Likewise.
9012         * df-scan.c (struct df_collection_rec): Likewise.
9013         * ira.c (struct equivalence): Likewise.
9014         * function.c (struct temp_slot): Likewise.
9015         * cfgloop.h (struct loop): Likewise.
9016
9017         PR debug/39485
9018         * function.c (use_register_for_decl): When not optimizing, disregard
9019         register keyword for variables with types containing methods.
9020
9021 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9022
9023         PR middle-end/39447
9024         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9025         (is_simple_operand): Call contains_component_ref_p before calling data
9026         reference analysis that would fail on COMPONENT_REFs.
9027
9028         * tree-vrp.c (search_for_addr_array): Fix formatting.
9029
9030 2009-03-18  Richard Guenther  <rguenther@suse.de>
9031
9032         * tree-vect-transform.c (vect_loop_versioning): Fold the
9033         generated comparisons.
9034         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9035         (slpeel_tree_peel_loop_to_edge): Likewise.
9036
9037 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9038
9039         PR middle-end/37805
9040         * opts.c (print_specific_help): In addition to `undocumented',
9041         accept `separate' and `joined' flags if passed alone.  Describe
9042         output by the first matched one of those.
9043         (common_handle_option): Skip over empty strings.
9044         * gcc.c (display_help): Fix help string for `--help='.
9045         * doc/invoke.texi (Option Summary, Overall Options): With
9046         `--help=', classes and qualifiers can both be repeated, but
9047         only the latter can be negated.  One should not pass only
9048         negated qualifiers.  Fix markup and examples.
9049
9050         Revert
9051         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9052         PR middle-end/37805
9053         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9054         and -fhelp=separate.
9055
9056 2009-03-17  Jing Yu  <jingyu@google.com>
9057
9058         PR middle-end/39378
9059         * function.h (struct rtl_data): Move is_thunk from here...
9060         (struct function): ...to here.
9061         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9062         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9063         cfun.
9064         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9065         cfun.
9066         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9067         (alpha_output_function_end_prologue): Likewise.
9068         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9069         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9070         (rs6000_output_function_epilogue): Likewise.
9071         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9072
9073 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9074
9075         PR target/39482
9076         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9077         from different units in a single alternative.
9078         (*truncdfsf_i387): Ditto.
9079         (*truncxfsf2_mixed): Ditto.
9080         (*truncxfdf2_mixed): Ditto.
9081
9082 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9083
9084         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9085         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9086
9087         PR debug/39474
9088         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9089         unused non-artificial variables when not optimizing.
9090
9091         PR debug/39471
9092         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9093         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9094         NAMESPACE_DECL in its DECL_INITIAL.
9095
9096         PR middle-end/39443
9097         * optabs.c (set_user_assembler_libfunc): New function.
9098         * expr.h (set_user_assembler_libfunc): New prototype.
9099         * c-common.c: Include libfuncs.h.
9100         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9101         for memcmp, memset, memcpy, memmove and abort.
9102         * Makefile.in (c-common.o): Depend on libfuncs.h.
9103
9104         PR debug/39412
9105         * dwarf2out.c (gen_inlined_enumeration_type_die,
9106         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9107         gen_tagged_type_instantiation_die): Removed.
9108         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9109         do nothing.
9110
9111 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9112
9113         PR testsuite/38526
9114         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9115         its use.
9116         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9117         (check-parallel-%): Ditto.
9118         (check-consistency): Ditto.
9119
9120 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9121
9122         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9123         local variable rhs by NULL_TREE.
9124
9125 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9126
9127         PR target/39477
9128         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9129
9130 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9131
9132         PR target/39476
9133         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9134
9135 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9136
9137         PR target/39473
9138         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9139         for ms->sysv ABI calls only in 64bit mode.
9140
9141         * config/i386/i386.md (untyped_call): Support 32bit.
9142
9143 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9144
9145         * doc/extend.texi: Replace x86_65 with x86_64.
9146
9147 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9148
9149         PR tree-optimization/39455
9150         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9151         mismatches for POINTER_TYPE_P (type).
9152         (number_of_iterations_le): Likewise.
9153
9154 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9155
9156         * config/picochip/picochip.c: Removed profiling support.
9157         * config/picochip/picochip.md: Removed profiling instruction.
9158         * config/picochip/picochip.h: Removed profiling builtin.
9159
9160 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9161
9162         * doc/install.texi (--with-host-libstdcxx): Document.
9163
9164 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9165
9166         PR target/34299
9167         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9168         generate a warning if the function name does not begin with
9169         "__vector" and the function has either the 'signal' or 'interrupt'
9170         attribute, from here to ...
9171         (avr_declare_function_name): ...here. New function.
9172         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9173         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9174
9175 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9176
9177         PR bootstrap/39454
9178         * cse.c (fold_rtx): Don't modify original const_arg1 when
9179         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9180         separate variable instead.
9181         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9182         from out of range shift counts.
9183         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9184
9185 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9186
9187         * config/i386/x-mingw32 (host-mingw32.o): Replace
9188         diagnostic.h with $(DIAGNOSTIC_H).
9189
9190 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9191
9192         PR target/39431
9193         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9194         predicate.
9195         * config/i386/sync.md (sync_compare_and_swap<mode>,
9196         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9197         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9198         into a register.
9199         (sync_double_compare_and_swapdi_pic,
9200         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9201         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9202
9203 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9204
9205         PR target/39445
9206         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9207
9208 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9209
9210         PR target/39327
9211         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9212         (avx_addsubv4df3): Likewise.
9213         (*avx_addsubv4sf3): Likewise.
9214         (sse3_addsubv4sf3): Likewise.
9215
9216 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9217
9218         PR target/38824
9219         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9220
9221 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9222
9223         PR debug/39432
9224         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9225         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9226         registers for allocnos created from user-defined variables.
9227
9228 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9229
9230         PR target/39181
9231         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9232         of non-integer mode as well.
9233
9234 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9235
9236         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9237         for functions for which the parameter types are unknown.
9238
9239 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9240
9241         PR target/39137
9242         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9243         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9244         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9245         * config/i386/i386.c (ix86_local_alignment): For
9246         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9247         long long variables on the stack to avoid dynamic realignment.
9248         Allow the first argument to be a decl rather than type.
9249         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9250
9251 2009-03-11  Nick Clifton  <nickc@redhat.com>
9252
9253         PR target/5362
9254         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9255         options.
9256         Add description to mno-lsim option.
9257         * config/mcore/mcore.h: Remove comment about deprecated m4align
9258         option.
9259         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9260         * doc/invoke.texi: Add description of mno-lsim and
9261         mstack-increment options.
9262
9263         * config/fr30/fr30.opt: Document the -mno-lsim option.
9264         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9265         and -mno-lsim options.
9266
9267 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9268
9269         * fold-const.c (fold_comparison): Only call fold_inf_compare
9270         if the mode supports infinities.
9271
9272 2009-03-11  Jason Merrill  <jason@redhat.com>
9273
9274         PR debug/39086
9275         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9276         end already did.  Notice GIMPLE_CALL modifications of the result.
9277         Don't copy debug information from an ignored decl or a decl from
9278         another function.
9279
9280 2009-03-10  Richard Guenther  <rguenther@suse.de>
9281             Nathan Froyd  <froydnj@codesourcery.com>
9282
9283         PR middle-end/37850
9284         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9285         (__divMODE3): Likewise.
9286
9287 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9288
9289         PR tree-optimization/39394
9290         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9291         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9292
9293 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9294
9295         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9296         inline asms for register asm ("") declarations.
9297
9298 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9299
9300         * fold-const.c (fold_unary): Fix comment.
9301
9302 2009-03-07  Jan Hubicka  <jh@suse.cz>
9303
9304         PR target/39361
9305         * tree-inline.c (setup_one_parameter): Do replacement of const
9306         argument by constant in SSA form.
9307
9308 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9309
9310         PR middle-end/38028
9311         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9312         determine alignment passed to assign_stack_local.
9313         (assign_parms_unsplit_complex): Likewise.
9314         * except.c (sjlj_build_landing_pads): Likewise.
9315
9316 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9317
9318         PR middle-end/39360
9319         * tree-flow.h (add_referenced_var): Return bool instead of void.
9320         * tree-dfa.c (add_referenced_var): Return result of
9321         referenced_var_check_and_insert call.
9322         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9323         of referenced_var_check_and_insert.
9324
9325         PR debug/39372
9326         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9327         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9328         DIE, don't emit it if abstract origin already has it.
9329         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9330         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9331
9332 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9333
9334         * genpreds.c (needs_variable): Fix parentheses at variable name
9335         detection.
9336         (write_tm_constrs_h): Indent generated code.
9337
9338 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9339
9340         * doc/extend.texi (Function Attributes): Add documentation
9341         for isr attributes.
9342
9343 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9344
9345         PR debug/39387
9346         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9347         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9348
9349 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9350
9351         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9352         the loop as bad.
9353
9354 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9355
9356         PR debug/39379
9357         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9358         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9359
9360 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9361
9362         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9363         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9364         constants instead of magic numbers.
9365         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9366         (QI_REG_P): Ditto.
9367         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9368         (x86_64_ms_abi_int_parameter_registers): Ditto.
9369         (x86_64_int_return_registers): Ditto.
9370         (ix86_maybe_switch_abi): Ditto.
9371         (ix86_expand_call): Ditto for clobbered_registers array.
9372         (ix86_hard_regno_mode_ok): Ditto.
9373         (x86_extended_QIreg_mentioned_p): Ditto.
9374
9375 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9376
9377         PR tree-optimization/39349
9378         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9379
9380         * combine.c (gen_lowpart_for_combine): Use omode when generating
9381         clobber.
9382
9383 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9384
9385         PR rtl-optimization/39235
9386         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9387
9388 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9389
9390         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9391
9392 2009-03-04  Richard Guenther  <rguenther@suse.de>
9393
9394         PR tree-optimization/39362
9395         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9396         that occur in abnormal PHIs should be varying.
9397
9398 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9399
9400         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9401         Extend comments.
9402         (simple_iv):  Take loop as an argument instead of statement.
9403         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9404         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9405         to simple_iv.
9406         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9407         Ditto.
9408         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9409         * matrix-reorg.c (analyze_transpose): Ditto.
9410         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9411         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9412         * tree-predcom.c (ref_at_iteration): Ditto.
9413         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9414
9415 2009-03-04  Richard Guenther  <rguenther@suse.de>
9416
9417         PR tree-optimization/39358
9418         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9419         escaped_id and callused_id.
9420         (solve_graph): Likewise.
9421
9422 2009-03-04  Richard Guenther  <rguenther@suse.de>
9423
9424         PR tree-optimization/39339
9425         * tree-sra.c (try_instantiate_multiple_fields): Make it
9426         no longer ICE on the above.
9427
9428 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9429
9430         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9431         that fits within Pmode.
9432
9433 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9434
9435         PR middle-end/10109
9436         * tm.texi (LIBCALL_VALUE): Update description.
9437
9438 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9439
9440         PR middle-end/34443
9441         * doc/extend.texi (section): Update description.
9442
9443 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9444
9445         PR middle-end/39345
9446         * tree-inline.c (remapped_type): New.
9447         (can_be_nonlocal): Call remapped_type instead of remap_type.
9448
9449 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9450
9451         PR fortran/39354
9452         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9453         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9454
9455 2009-03-03  Richard Guenther  <rguenther@suse.de>
9456
9457         PR middle-end/39272
9458         * tree.c (tree_nonartificial_location): New function.
9459         * tree.h (tree_nonartificial_location): Declare.
9460         * builtins.c (expand_builtin_memory_chk): Provide location
9461         of the call location for artificial function pieces.
9462         (maybe_emit_chk_warning): Likewise.
9463         (maybe_emit_sprintf_chk_warning): Likewise.
9464         (maybe_emit_free_warning): Likewise.
9465         * expr.c (expand_expr_real_1): Likewise.
9466
9467 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9468
9469         PR tree-optimization/39343
9470         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9471         COMPONENT_REF t has ARRAY_TYPE.
9472
9473 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9474
9475         PR middle-end/39335
9476         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9477         when the type precision of the induction variable should be
9478         larger than the type precision of nit.
9479         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9480         * graphite.c (graphite_loop_normal_form): Same.
9481         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9482
9483 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9484
9485         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9486         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9487         numbers to describe clobbered registers.
9488         (*call_value_0_rex64_ms_sysv): Ditto.
9489         * config/i386/mmx.md (mmx_emms): Ditto.
9490         (mmx_femms): Ditto.
9491
9492 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9493
9494         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9495         of ABI_64.
9496
9497 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9498
9499         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9500         (spu_section_type_flags): New function.
9501
9502 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9503
9504         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9505         reg_class_contents of FLOAT_REGS into a temporary.
9506
9507 2009-03-02  Richard Guenther  <rguenther@suse.de>
9508             Ira Rosen  <irar@il.ibm.com>
9509
9510         PR tree-optimization/39318
9511         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9512         information to the vectorized statement.
9513
9514 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9515
9516         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9517         variable.  Use defined names instead of magic constants for REX SSE
9518         registers.
9519
9520 2009-03-01  Richard Guenther  <rguenther@suse.de>
9521
9522         PR tree-optimization/39331
9523         * omp-low.c (lower_send_shared_vars): Do not receive new
9524         values for the reference of DECL_BY_REFERENCE parms or results.
9525
9526 2009-03-01  Jan Hubicka  <jh@suse.cz>
9527
9528         PR debug/39267
9529         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9530         BLOCK_NONLOCALIZED_VAR): New macros.
9531         (tree_block): Add nonlocalized_vars.
9532         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9533         gen_decl_die): Add origin argument.  Allow generation of die with
9534         origin at hand only.
9535         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9536         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9537         of gen_*.
9538         (gen_block_die): Fix checking for unused blocks.
9539         (process_scope_var): Break out from .... ; work with origins only.
9540         (decls_for_scope) ... here; process nonlocalized list.
9541         (dwarf2out_ignore_block): Look for nonlocalized vars.
9542         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9543         vars.
9544         (dump_scope_block): Dump them.
9545         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9546         (remap_block): Likewise.
9547         (can_be_nonlocal): New predicate.
9548         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9549
9550 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9551
9552         * configure: Regenerate.
9553
9554 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9555
9556         * optc-gen.awk: No need to duplicate option flags twice.
9557         Reuse help texts for duplicate options which do not have any.
9558
9559         * gcc.c (display_help): Document --version.
9560
9561         * gcc.c (main): If print_help_list and verbose_flag, ensure
9562         driver output comes before subprocess output.
9563
9564         * optc-gen.awk: Assign all remaining fields to help string,
9565         space-separated, for multi-line help in *.opt.
9566
9567         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9568         -Wno-pedantic-ms-format is for MinGW targets only.
9569
9570         * doc/options.texi (Option file format): Fix bad indentation,
9571         restoring dropped sentence.
9572
9573 2009-02-28  Jan Hubicka  <jh@suse.cz>
9574
9575         * tree-inline.c (tree_function_versioning): Output debug info.
9576
9577 2009-02-28  Jan Hubicka  <jh@suse.cz>
9578
9579         PR debug/39267
9580         * tree-inline.c (setup_one_parameter): Do not copy propagate
9581         arguments when not optimizing.
9582
9583 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9584
9585         PR target/39327
9586         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9587         (avx_addsubv4df3): Likewise.
9588         (*avx_addsubv4sf3): Likewise.
9589         (sse3_addsubv4sf3): Likewise.
9590         (*avx_addsubv2df3): Likewise.
9591         (sse3_addsubv2df3): Likewise.
9592         (avx_unpckhps256): Correct item selectors.
9593         (avx_unpcklps256): Likewise.
9594         (avx_unpckhpd256): Likewise.
9595         (avx_unpcklpd256): Likewise.
9596
9597 2009-02-28  Jan Hubicka  <jh@suse.cz>
9598
9599         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9600         static vars.
9601         (copy_arguments_for_versioning): If var is declared don't declare it.
9602         (tree_function_versioning): First setup substitutions and then copy
9603         args.
9604
9605 2009-02-27  Jan Hubicka  <jh@suse.cz>
9606
9607         PR debug/39267
9608         * cgraph.h (varpool_output_debug_info): Remove.
9609         * cgraphunit.c (varpool_output_debug_info): Remove.
9610         * dwarf2out.c (deferred_locations_struct): New struct
9611         (deferred_locations): New type.
9612         (deferred_locations_list): New static var.
9613         (deffer_location): New function.
9614         (gen_variable_die): Use it.
9615         (decls_for_scope): Output info on local static vars.
9616         (dwarf2out_finish): Process deferred locations.
9617         * varpool.c (varpool_output_debug_info): Remove.
9618
9619 2009-02-27  Jan Hubicka  <jh@suse.cz>
9620
9621         PR debug/39267
9622         * tree.h (TREE_PROTECTED): Fix comment.
9623         (BLOCK_HANDLER_BLOCK): Remove.
9624         (struct tree_block): Remove handler_block add body_block.
9625         (inlined_function_outer_scope_p): New.
9626         (is_body_block): Remove.
9627         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9628         * dwarf2out.c (is_inlined_entry_point): Remove.
9629         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9630         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9631         code.
9632         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9633         * gimplify.c (gimplify_expr): Gimplify body blocks.
9634         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9635         block with multiple subblocks.
9636         (dump_scope_block): Prettier output; dump more flags and info.
9637         (dump_scope_blocks): New.
9638         (remove_unused_locals): Use dump_scope_blocks.
9639         * tree-flow.h (dump_scope_blocks): Declare.
9640         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9641         * stmt.c (is_body_block): Remove.
9642         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9643         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9644
9645 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9646
9647         PR middle-end/39308
9648         * graphite.c (graphite_loop_normal_form): Do not call
9649         number_of_iterations_exit from a gcc_assert.
9650
9651 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9652
9653         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9654         jumps if COND is NULL.
9655         (find_cond_jump): New function.
9656         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9657         * config/s390/s390.md: Remove z10_cobra attribute value.
9658
9659 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9660
9661         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9662         force_const_mem returns NULL_RTX.
9663
9664 2009-02-26  Jan Hubicka  <jh@suse.cz>
9665
9666         PR debug/39267
9667         * cgraph.h (varpool_output_debug_info): Remove.
9668         * cgraphunit.c (varpool_output_debug_info): Remove.
9669         * dwarf2out.c (deferred_locations_struct): New struct
9670         (deferred_locations): New type.
9671         (deferred_locations_list): New static var.
9672         (deffer_location): New function.
9673         (gen_variable_die): Use it.
9674         (decls_for_scope): Output info on local static vars.
9675         (dwarf2out_finish): Process deferred locations.
9676         * varpool.c (varpool_output_debug_info): Remove.
9677
9678 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9679
9680         PR rtl-optimization/39241
9681         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9682         to subreg_offset_representable_p.
9683
9684 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9685
9686         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9687         execute function prototype.  Get f and nregs from max_reg_num
9688         and get_insns.  Remove the first backward pass as it's dead,
9689         guard the forward pass by flag_expensive_optimizations.
9690         (rest_of_handle_regmove): Delete.
9691         (pass_regmove): Replace it with regmove_optimize.
9692
9693 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9694
9695         PR tree-optimization/39259
9696         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9697         calls_alloca function flags.
9698         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9699         calls are detected.
9700
9701 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9702
9703         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9704         flags_set_1_rtx, flags_set_1_set): Delete.
9705         (regmove_optimize): Do not call mark_flags_life_zones.
9706
9707 2009-02-24  Julian Brown  <julian@codesourcery.com>
9708
9709         PR target/35965
9710         * config/arm/arm.c (require_pic_register): Only set
9711         cfun->machine->pic_reg once per function.
9712
9713 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9714
9715         * doc/invoke.texi (Link Options): Document an easier way to pass
9716         options that take arguments to the GNU linker using -Xlinker and -Wl.
9717
9718 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9719
9720         PR target/33785
9721         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9722
9723 2009-02-24  Richard Guenther  <rguenther@suse.de>
9724
9725         PR debug/39285
9726         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9727
9728 2009-02-24  Richard Guenther  <rguenther@suse.de>
9729             Zdenek Dvorak  <ook@ucw.cz>
9730
9731         PR tree-optimization/39233
9732         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9733         from converting them to a generic type.
9734
9735 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9736
9737         PR tree-optimization/39260
9738         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9739         contains a condition with a real type.
9740         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9741
9742 2009-02-23  Jason Merrill  <jason@redhat.com>
9743
9744         PR c++/38880
9745         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9746         narrowing_initializer_constant_valid_p.
9747         (narrowing_initializer_constant_valid_p): Don't return
9748         null_pointer_node for adding a pointer to itself.
9749
9750 2009-02-23  Jan Hubicka  <jh@suse.cz>
9751
9752         PR c/12245
9753         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9754         resizing.
9755
9756 2009-02-23  Jan Hubicka  <jh@suse.cz>
9757
9758         PR tree-optimization/37709
9759         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9760         * tree.h (block_ultimate_origin): Declare.
9761         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9762         * tree-ssa-live.c (remove_unused_scope_block_p):
9763         Eliminate blocks containig no instructions nor live variables nor
9764         nested blocks.
9765         (dump_scope_block): New function.
9766         (remove_unused_locals): Enable removal of dead blocks by default;
9767         enable dumping at TDF_DETAILS.
9768
9769 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9770
9771         * config/i386/i386.c (classify_argument): Don't allow COImode
9772         and OImode.
9773         (function_arg_advance_32): Don't allow OImode.
9774         (function_arg_32): Likewise.
9775         (function_value_32): Likewise.
9776         (return_in_memory_32): Likewise.
9777         (function_arg_64): Remove OImode comment.
9778
9779 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9780
9781         PR target/39261
9782         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9783         ix86_expand_vector_set for V4DImode in 64bit mode only.
9784         (ix86_expand_vector_init_one_var): Likewise.
9785
9786 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9787
9788         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9789
9790 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9791
9792         PR bootstrap/39257
9793         * loop-iv.c: Revert last change.
9794         * emit-rtl.c: Likewise.
9795
9796 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9797
9798         PR target/39256
9799         * config/i386/i386.c (type_natural_mode): Remove an extra
9800         space in the warning message.
9801         (function_value_32): Handle 32-byte vector modes.
9802         (return_in_memory_32): Likewise.
9803
9804 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9805
9806         * loop-iv.c (truncate_value): New function.
9807         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9808         of lowpart_subreg.
9809         (lowpart_subreg): Move to...
9810         * emit-rtl.c: ...here.
9811
9812 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9813
9814         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9815         accidental and undocumented change at revision 140860.
9816
9817 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9818
9819         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9820         take gimple_seq * arguments.
9821         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9822         types_compatible_p langhook.
9823
9824 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9825             Joseph Myers  <joseph@codesourcery.com>
9826
9827         * config/arm/arm.c (arm_builtin_va_list): New function.
9828         (arm_expand_builtin_va_start): Likewise.
9829         (arm_gimplify_va_arg_expr): Likewise.
9830         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9831         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9832         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9833         (va_list_type): New variable.
9834         (arm_mangle_type): Mangle va_list_type appropriately.
9835
9836 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9837
9838         PR middle-end/39157
9839         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9840         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9841         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9842         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9843         parameter to 1000 for -O1 by default.
9844         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9845         parameter.
9846         * loop-invariant.c: Include params.h.
9847         (move_loop_invariants): Don't call move_single_loop_invariants on
9848         very large loops.
9849
9850 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9851
9852         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9853         offset when calculating bounds for indexing stack_usage_map.  Fixes
9854         a buffer overflow with certain target setups.
9855
9856 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9857
9858         PR target/39240
9859         * calls.c (expand_call): Clear try_tail_call if caller and callee
9860         disagree in promotion of function return value.
9861
9862 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9863
9864         PR target/39175
9865         * c-common.c (c_determine_visibility): If visibility changed and
9866         DECL_RTL has been already set, call make_decl_rtl to update symbol
9867         flags.
9868
9869 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9870
9871         PR c++/39188
9872         * varasm.c (assemble_variable): Don't check DECL_NAME when
9873         globalizing a variable.
9874
9875 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9876
9877         PR c/38483
9878         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9879         expression before any __builtin_trap call.
9880         * c-typeck.c (build_function_call): Convert and check function
9881         arguments before generating a call to a trap.  Evaluate the
9882         function arguments before the trap.
9883
9884 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9885
9886         PR target/39228
9887         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9888         (UNSPEC_FXAM_MEM): New unspec.
9889         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9890         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9891         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9892
9893 2009-02-19  Richard Guenther  <rguenther@suse.de>
9894
9895         PR tree-optimization/39207
9896         PR tree-optimization/39074
9897         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9898         storedanything_tree): New.
9899         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9900         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9901         (build_succ_graph): Add edges from STOREDANYTHING to all
9902         non-direct nodes.
9903         (init_base_vars): Initialize STOREDANYTHING.
9904         (compute_points_to_sets): Free substitution info after
9905         building the succ graph.
9906         (ipa_pta_execute): Likewise.
9907
9908         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9909         field.
9910         (do_ds_constraint): Do not add to special var or non-pointer
9911         field solutions.
9912         (type_could_have_pointers): Split out from ...
9913         (could_have_pointers): ... here.  For arrays use the element type.
9914         (create_variable_info_for): Initialize may_have_pointers.
9915         (new_var_info): Likewise.
9916         (handle_lhs_call): Make the HEAP variable unknown-sized.
9917         (intra_create_variable_infos): Use a type with pointers for
9918         PARM_NOALIAS, make it unknown-sized.
9919
9920 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9921
9922         PR target/39224
9923         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9924
9925 2009-02-18  Jason Merrill  <jason@redhat.com>
9926
9927         PR target/39179
9928         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9929         value if DECL_EXTERNAL.
9930         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9931         * target.h (gcc_target::binds_local_p): Clarify "module".
9932         * tree.h (TREE_PUBLIC): Clarify "module".
9933
9934 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9935
9936         PR target/38891
9937         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9938         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9939
9940 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9941
9942         PR target/39082
9943         * c.opt (Wabi): Support C and ObjC.
9944         (Wpsabi): New.
9945
9946         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9947
9948         * config/i386/i386.c (classify_argument): Warn once about the ABI
9949         change when passing union with long double.
9950
9951         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9952
9953 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9954
9955         PR c/35447
9956         * c-parser.c (c_parser_compound_statement): Always enter and leave
9957         a scope.
9958
9959 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9960
9961         PR target/34587
9962         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9963
9964 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9965
9966         PR tree-optimization/36922
9967         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9968         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9969         Likewise.
9970
9971 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9972
9973         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9974         to 0 for EABI64.
9975
9976 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9977
9978         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9979
9980 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9981
9982         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9983         tree sharing.
9984
9985 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9986             Richard Sandiford  <rdsandiford@googlemail.com>
9987
9988         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9989         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9990         (loongson_biadd): ...this.
9991
9992 2009-02-17  Richard Guenther  <rguenther@suse.de>
9993
9994         PR tree-optimization/39202
9995         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9996         a var make sure to follow existing collapses.
9997
9998 2009-02-17  Richard Guenther  <rguenther@suse.de>
9999
10000         PR middle-end/39214
10001         * langhooks.c (lhd_print_error_function): Check for NULL block.
10002
10003 2009-02-17  Richard Guenther  <rguenther@suse.de>
10004
10005         PR tree-optimization/39204
10006         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10007         of the PHI arg.
10008
10009 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10010
10011         * config/soft-fp/double.h: Update from glibc CVS.
10012
10013 2009-02-17  Richard Guenther  <rguenther@suse.de>
10014
10015         PR tree-optimization/39207
10016         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10017         strict-aliasing warnings for pointers pointing to NULL.
10018
10019 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10020
10021         PR c/35446
10022         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10023         skipping until next close brace.
10024
10025 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10026
10027         PR target/37049
10028         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10029         to function argument boundary.
10030
10031 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10032
10033         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10034         in the lea_add. Reload eventually constraints it properly.
10035         * config/picochip/constraints.md: Remove the target constraint
10036         "b", since it is not needed anymore.
10037
10038 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10039
10040         * gthr-dce.h: Uglify function parameter and local variable names.
10041         * gthr-gnat.h: Likewise.
10042         * gthr-mipssde.h: Likewise.
10043         * gthr-nks.h: Likewise.
10044         * gthr-posix95.h: Likewise.
10045         * gthr-posix.h: Likewise.
10046         * gthr-rtems.h: Likewise.
10047         * gthr-single.h: Likewise.
10048         * gthr-solaris.h: Likewise.
10049         * gthr-tpf.h: Likewise.
10050         * gthr-vxworks.h: Likewise.
10051         * gthr-win32.h: Likewise.
10052
10053 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10054
10055         PR target/39196
10056         * config/i386/i386.md: Restrict the new peephole2 to move
10057         between MMX/SSE registers.
10058
10059 2009-02-15  Richard Guenther  <rguenther@suse.de>
10060
10061         Revert
10062         2009-02-13  Richard Guenther  <rguenther@suse.de>
10063
10064         * configure.ac: Enable LFS.
10065         * configure: Re-generate.
10066         * config.in: Likewise.
10067
10068 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10069
10070         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10071         spu_srqwbyte, spu_srqwbytebc): Define.
10072         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10073         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10074         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10075         "shrqby_<mode>"): New insn-and-split patterns.
10076         * config/spu/spu.c (expand_builtin_args): Determine and return
10077         number of operands using spu_builtin_description data.
10078         (spu_expand_builtin_1): Use it.
10079
10080 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10081
10082         PR target/38056
10083         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10084         TARGET_CONST_GP.
10085
10086 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10087
10088         PR target/39149
10089         * config/i386/i386.c (override_options): Correct warning
10090         messages for -malign-loops, -malign-jumps and -malign-functions.
10091
10092 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10093
10094         PR target/39152
10095         * config/i386/i386.md: Restrict the new peephole2 to move
10096         between the general purpose registers.
10097
10098 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10099
10100         PR target/39162
10101         * config/i386/i386.c (type_natural_mode): Add a new argument.
10102         Return the original mode and warn ABI change if vector size is 32byte.
10103         (function_arg_advance): Updated.
10104         (function_arg): Likewise.
10105         (ix86_function_value): Likewise.
10106         (ix86_return_in_memory): Likewise.
10107         (ix86_sol10_return_in_memory): Likewise.
10108         (ix86_gimplify_va_arg): Likewise.
10109         (function_arg_32): Don't warn ABX ABI change here.
10110         (function_arg_64): Likewise.
10111
10112 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10113
10114         * loop-iv.c (implies_p): In the final case, test that operands 0
10115         of the two comparisons match.
10116
10117         * config/bfin/bfin.c (find_prev_insn_start): New function.
10118         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10119         (find_next_insn_start): Move.
10120
10121 2009-02-13  Richard Guenther  <rguenther@suse.de>
10122
10123         * configure.ac: Enable LFS.
10124         * configure: Re-generate.
10125         * config.in: Likewise.
10126
10127 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10128
10129         PR c/35444
10130         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10131         sizes on syntax error after some arguments have been parsed.
10132
10133 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10134
10135         * doc/invoke.texi (-fira): Remove.
10136
10137 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10138
10139         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10140         * recog.c: Likewise.
10141         * rtl.h: Likewise.
10142
10143 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10144
10145         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10146         (umul_ppmm): Likewise.
10147         (count_leading_zeros): Likewise.
10148         (count_trailing_zeros): Likewise.
10149         (UMUL_TIME): Likewise.
10150
10151 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10152
10153         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10154         soft-fp/t-softfp to tmake_file.
10155
10156         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10157         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10158         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10159         IA64_BUILTIN_INFQ]: New.
10160         (ia64_init_builtins): Initialize __builtin_infq,
10161         __builtin_fabsq and __builtin_copysignq if not HPUX.
10162         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10163         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10164
10165         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10166         SHARED is defined.
10167         (__fixtfti): Likewise.
10168         (__fixunstfti): Likewise.
10169         (__floattitf): Likewise.
10170
10171         * config/ia64/libgcc-glibc.ver: New.
10172         * config/ia64/t-fprules-softfp: Likewise.
10173         * config/ia64/sfp-machine.h: Likewise.
10174
10175         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10176         (LIBGCC2_TF_CEXT): Likewise.
10177         (TF_SIZE): Likewise.
10178         (TARGET_INIT_LIBFUNCS): Likewise.
10179
10180         * config/ia64/t-glibc (SHLINB_MAPFILES):
10181         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10182
10183 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10184
10185         * config/i386/i386.c (construct_container): Rewrite processing
10186         BLKmode with X86_64_SSE_CLASS.
10187
10188 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10189
10190         PR target/39152
10191         * config/i386/i386.md: Replace simplify_replace_rtx with
10192         replace_rtx in the new peephole2.
10193
10194 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10195
10196         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10197         loop unrolling do not happen at -O2.
10198
10199 2009-02-12  Michael Matz  <matz@suse.de>
10200
10201         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10202
10203 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10204
10205         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10206         for -g3.
10207
10208 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10209
10210         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10211         patterns when updating the back chain.  Missed in the 2009-02-10
10212         change.
10213
10214 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10215
10216         * doc/extend.texi (Decimal Floating Types): Update identifier of
10217         draft TR and list of missing support.
10218
10219 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10220
10221         PR middle-end/39154
10222         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10223         bit to variable length decl's flags, add it also to its
10224         pointer replacement variable.
10225
10226 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10227             Jakub Jelinek  <jakub@redhat.com>
10228
10229         PR target/39118
10230         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10231         (memory_blockage): New expander.
10232         (*memory_blockage): New insn pattern.
10233         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10234         instead of general blockage at the end of function prologue when
10235         frame pointer is used to access red zone area.  Do not emit blockage
10236         when profiling, it is emitted in generic code.
10237         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10238         function epilogue when frame pointer is used to access red zone area.
10239
10240 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10241
10242         PR target/38824
10243         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10244         by arithmetic with memory operands.
10245         * config/i386/predicates.md (commutative_operator): New.
10246
10247 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10248
10249         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10250         bulleted lists.
10251
10252 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10253
10254         * alias.h (record_alias_subset): Declare.
10255         * alias.c (record_alias_subset): Make global.
10256
10257 2009-02-10  Nick Clifton  <nickc@redhat.com>
10258
10259         * tree-parloops.c: Change license to GPLv3.
10260         * ipa-struct-reorg.c: Change license to GPLv3.
10261         * ipa-struct-reorg.h: Change license to GPLv3.
10262
10263 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10264
10265         PR c/39084
10266         * c-decl.c (start_struct): Return NULL on error.
10267
10268 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10269
10270         PR middle-end/39124
10271         * cfgloopmanip.c (remove_path): Call remove_bbs after
10272         cancel_loop_tree, not before it.
10273
10274         PR target/39139
10275         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10276         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10277         VAR_DECLs were seen.
10278         * tree-ssa-live.c (remove_unused_locals): Recompute
10279         cfun->has_local_explicit_reg_vars.
10280         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10281         copies or clearings if cfun->has_local_explicit_reg_vars.
10282
10283 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10284
10285         PR target/39118
10286         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10287         of function prologue when frame pointer is used to access
10288         red zone area.
10289
10290 2009-02-10  Richard Guenther  <rguenther@suse.de>
10291
10292         PR middle-end/39127
10293         * gimplify.c (gimple_regimplify_operands): Always look if
10294         we need to create a temporary.
10295
10296 2009-02-10  Richard Guenther  <rguenther@suse.de>
10297
10298         PR tree-optimization/39132
10299         * tree-loop-distribution.c (todo): New global var.
10300         (generate_memset_zero): Trigger TODO_rebuild_alias.
10301         (tree_loop_distribution): Return todo.
10302
10303 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10304
10305         PR target/39119
10306         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10307         (x86_64_reg_class_name): Removed.
10308         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10309         first one isn't X86_64_SSE_CLASS or any other ones aren't
10310         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10311         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10312         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10313         and 3 X86_64_SSEUP_CLASS.
10314         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10315         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10316
10317 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10318
10319         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10320         form instruction to update the stack back chain word, even if the
10321         user has disabled the generation of update instructions.
10322         (movdi_<mode>_update_stack): New.
10323         (movsi_update_stack): Likewise.
10324         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10325         always use an update form instruction to update the stack back
10326         chain word.
10327
10328 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10329
10330         PR middle-end/38953
10331         * graphite.c (if_region_set_false_region): After moving a region in
10332         the false branch of a condition, remove the empty dummy basic block.
10333         (gloog): Remove wrong fix for PR38953.
10334
10335 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10336
10337         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10338         generation due to implicit sign extension.
10339
10340 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10341
10342         PR middle-end/38981
10343         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10344         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10345
10346 2009-02-09  Richard Guenther  <rguenther@suse.de>
10347
10348         PR middle-end/35202
10349         * convert.c (convert_to_real): Disable (float)fn((double)x)
10350         to fnf(x) conversion if errno differences may occur and
10351         -fmath-errno is set.
10352
10353 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10354
10355         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10356         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10357         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10358
10359 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10360
10361         PR c/35434
10362         * c-common.c (handle_alias_attribute): Disallow attribute for
10363         anything not a FUNCTION_DECL or VAR_DECL.
10364
10365 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10366
10367         PR c/39035
10368         * real.c (do_compare): Special-case compare of zero against
10369         decimal float value.
10370
10371 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10372
10373         PR c/36432
10374         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10375         as indicating flexible array members unless the field itself is
10376         being declarared as the incomplete array.
10377
10378 2009-02-06  Jan Hubicka  <jh@suse.cz>
10379
10380         PR tree-optimization/38844
10381         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10382         is already inlined.
10383
10384 2009-02-06  Richard Guenther  <rguenther@suse.de>
10385
10386         PR middle-end/38977
10387         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10388         fork because we may expand it as __gcov_fork.
10389
10390 2009-02-06  Nick Clifton  <nickc@redhat.com>
10391
10392         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10393
10394 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10395
10396         PR tree-optimization/35659
10397         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10398         vn_phi_eq): Shortcut if hashcode does not match.
10399         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10400         NULL operands.
10401         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10402         and avoid iterative_hash_expr.
10403         (FOR_EACH_VALUE_ID_IN_SET): New.
10404         (value_id_compare): Remove.
10405         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10406         sort expressions by value id.
10407
10408 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10409
10410         PR target/38991
10411         * config/sh/predicates.md (general_movsrc_operand): Don't check
10412         the subreg of system registers here.
10413
10414 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10415
10416         PR c++/39106
10417         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10418         on the copied decl.
10419
10420 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10421
10422         PR rtl-optimization/39110
10423         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10424         addresses, not aligned ones.
10425
10426 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10427             Richard Guenther  <rguenther@suse.de>
10428
10429         PR tree-optimization/39100
10430         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10431         comment says and add edges.
10432
10433 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10434
10435         PR c/35435
10436         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10437         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10438
10439 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10440
10441         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10442         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10443         register_bb_in_sese, new_sese, free_sese): Moved.
10444         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10445         outermost_loop_in_scop, build_scop_iteration_domain,
10446         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10447         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10448         Use loop_in_sese_p instead of loop_in_scop_p.
10449         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10450         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10451         (scopdet_basic_block_info): Fix bug in scop detection.
10452         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10453         eq_loop_to_cloog_loop): Remove.
10454         (nb_loops_around_loop_in_scop, nb_loop
10455         ref_nb_loops): Moved here...
10456         * graphite.h (ref_nb_loops): ... from here.
10457         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10458         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10459         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10460         * testsuite/gcc.dg/graphite/scop-19.c: New
10461
10462 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10463             Hans-Peter Nilsson  <hp@axis.com>
10464
10465         PR rtl-optimization/37889
10466         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10467         Move offset handling from PLUS to before the switch.  Use new
10468         arguments when considering SYMBOL_REFs too.
10469         (rtx_addr_can_trap_p): Pass dummy offset and size.
10470         (enum may_trap_p_flags): Remove.
10471         (may_trap_p_1): Pass size from MEM_SIZE.
10472
10473         PR rtl-optimization/38921
10474         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10475         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10476         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10477         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10478
10479 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10480
10481         AVX Programming Reference (January, 2009)
10482         * config/i386/sse.md (*vpclmulqdq): New.
10483
10484 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10485
10486         PR tree-optimization/38977
10487         PR gcov-profile/38292
10488         * calls.c (special_function_p): Disregard __builtin_ prefix.
10489
10490 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10491
10492         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10493         non-indexable addresses even before reload.
10494
10495 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10496
10497         PR c/29129
10498         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10499         as having variable size.  Do not give an error for unnamed
10500         parameters with [*] declarators.  Give a warning for type names
10501         with [*] declarators and mark them as variable size.
10502         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10503         for sizeof applied to [*] type names.
10504
10505 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10506
10507         PR C++/36607
10508         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10509
10510 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10511
10512         * gcc.c (process_command): Update copyright notice dates.
10513         * gcov.c (print_version): Likewise.
10514         * gcov-dump.c (print_version): Likewise.
10515         * mips-tfile.c (main): Likewise.
10516         * mips-tdump.c (main): Likewise.
10517
10518 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10519
10520         PR c/35433
10521         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10522         for composite type involving a zero-length array type.
10523
10524 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10525
10526         PR target/35318
10527         * function.c (match_asm_constraints_1): Skip over
10528         initial optional % in the constraint.
10529
10530         PR inline-asm/39059
10531         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10532         supported, don't accept FIXED_CSTs.
10533         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10534         and _Sat is used without _Fract/_Accum.  Set specs->type to
10535         integer_type_node for cts_fract/cts_accum if fixed point is not
10536         supported.
10537
10538 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10539
10540         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10541
10542 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10543
10544         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10545         (ABI_HAS_64BIT_SYMBOLS): Use it.
10546         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10547
10548 2009-02-02  Paul Brook  <paul@codesourcery.com>
10549
10550         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10551
10552 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10553
10554         PR inline-asm/39058
10555         * recog.h (asm_operand_ok): Add constraints argument.
10556         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10557         recurse on matching constraint.
10558         (check_asm_operands): Pass constraints as 3rd argument to
10559         asm_operand_ok.  Don't look up matching constraint here.
10560         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10561         to asm_operand_ok.
10562
10563 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10564
10565         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10566         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10567
10568 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10569
10570         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10571         information.  Remove some obsolete information.  Reorganize.
10572
10573         * config/pa/fptr.c: Revert license to GPL 2.
10574         * config/pa/milli64.S: Likewise.
10575
10576 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10577
10578         PR target/38904
10579         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10580         LIBRARY name in, instead of hard-coding it.
10581         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10582         extra target make frag to tmake_files according to EH model.
10583         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10584         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10585         frags that define makefile variable EH_MODEL appropriately.
10586         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10587         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10588         to "-sjlj" according to type of EH configured.
10589         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10590         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10591         to "_sjlj" according to type of EH configured.
10592         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10593         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10594         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10595         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10596         string value of "pe_dll" command-line option.
10597         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10598         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10599         (SHLIB_IMPLIB):  Override t-cygming default.
10600         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10601         string value of "pe_dll" command-line option.
10602
10603 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10604
10605         PR target/38952
10606         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10607         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10608
10609 2009-01-31  Richard Guenther  <rguenther@suse.de>
10610
10611         PR tree-optimization/38937
10612         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10613         computing the transitive closure.
10614
10615 2009-01-30  Richard Guenther  <rguenther@suse.de>
10616
10617         PR tree-optimization/39041
10618         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10619         Propagate variable indices only if the types match for this stmt.
10620
10621 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10622
10623         PR target/39013
10624         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10625         inline but never defined.
10626
10627 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10628
10629         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10630         (*insv_h_di_reg_extimm): New insn.
10631         (*insv_l<mode>_reg_extimm): New insn.
10632
10633 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10634
10635         * config/picochip/picochip.c (flag_conserve_stack): set
10636         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10637         fconserve-stack. Reduce call-overhead used by inliner.
10638
10639 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10640
10641         PR/38157
10642         * common.opt (flag_conserve_stack): Initialised to zero.
10643
10644 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10645
10646         PR/39002
10647         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10648         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10649         method.
10650
10651 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10652
10653         * ira-color.c (allocno_reload_assign): Update comments.
10654         * regmove.c (regmove_optimize): Likewise.
10655
10656         * ra.h: Removed.
10657
10658 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10659
10660         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10661         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10662         `MD_UNWIND_SUPPORT'.
10663         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10664
10665 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10666
10667         PR tree-optimization/39007
10668         * tree-loop-distribution.c (generate_builtin): Use
10669         recompute_dominator to compute the immediate dominator of the
10670         basic block just after the loop.
10671
10672 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10673
10674         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10675         (ASM_OUTPUT_DWARF_PCREL): Define.
10676
10677 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10678
10679         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10680         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10681         global.  Modify entries about regmove and IRA.
10682
10683         * ra-conflict.c: Remove the file.
10684
10685         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10686
10687         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10688         (pass_regclass_init): Rename to pass_reginfo_init.
10689
10690         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10691
10692         * toplev.h (flag_ira): Remove.
10693
10694         * caller-save.c (setup_save_areas): Remove flag_ira.
10695
10696         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10697
10698         * global.c: Remove the file.
10699
10700         * opts.c (decode_options): Remove flag_ira.
10701
10702         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10703
10704         * regmove.c: Modify file description.
10705         (find_use_as_address, try_auto_increment): Define them only if
10706         AUTO_INC_DEC is defined.
10707         (replacement_quality, replace_in_call_usage, fixup_match_1,
10708         stable_and_no_regs_but_for_p): Remove.
10709         (reg_set_in_bb): Make it static.
10710         (regmove_optimize): Remove flag_ira and code which worked for
10711         !flag_ira.
10712
10713         * local-alloc.c: Remove the file.
10714
10715         * common.opt (fira): Remove.
10716
10717         * ira.c: Include except.h.
10718         (eliminable_regset): Move from global.c.
10719         (mark_elimination): Ditto.  Remove flag_ira.
10720         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10721         equiv_mem_modified, validate_equiv_mem_from_store,
10722         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10723         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10724         no_equiv, recorded_label_ref): Move from local-alloc.c.
10725         (update_equiv_regs): Ditto.  Make it static.
10726         (print_insn_chain, print_insn_chains): Move it from global.c.
10727         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10728         (build_insn_chain): Ditto.  Make it static.
10729         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10730         Rename to init_live_subregs.
10731         (gate_ira): Remove flag_ira.
10732
10733         * regclass.c: Rename reginfo.c.  Change file description.
10734         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10735         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10736         (init_reg_sets_1): Remove code for evaluation of
10737         reg_class_superclasses and losing_caller_save_reg_set.
10738         (init_regs): Remove init_reg_autoinc.
10739         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10740         ok_for_base_p_nonstrict): Remove.
10741         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10742         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10743         corresponding entries.
10744         (dump_regclass, record_operand_costs, scan_one_insn,
10745         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10746         record_address_regs, auto_inc_dec_reg_p): Remove.
10747         (gt-regclass.h): Rename to gt-reginfo.h.
10748
10749         * rtl.h (dump_global_regs, retry_global_alloc,
10750         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10751
10752         * Makefile.in (RA_H): Remove.
10753         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10754         Rename regclass.o to reginfo.o.
10755         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10756         gt-reginfo.h.
10757         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10758         (GTFILES): Rename regclass.c to reginfo.c.
10759
10760         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10761         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10762
10763         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10764         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10765         Remove flag_ira.
10766         (finish_spills): Ditto.  Remove code for !flag_ira.
10767
10768 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10769
10770         PR middle-end/35854
10771         * doc/invoke.texi (rtl debug options): Complete rewrite.
10772         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10773         to auto_inc_dec".
10774         * mode-switching.c (pass_mode_switching): Rename pass from
10775         "mode-sw" to "mode_sw".
10776         * except.c (pass_convert_to_eh_ranges): Rename pass from
10777         "eh-ranges" to "eh_ranges".
10778         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10779         to "subreg1".
10780
10781
10782 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10783             Alexander Monakov  <amonakov@ispras.ru>
10784
10785         PR middle-end/38857
10786         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10787         register.
10788         (move_exprs_to_boundary): Change return type and pass through
10789         should_move from move_op.  Relax assert.  Update usage ...
10790         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10791         cant_move.
10792         (move_op_orig_expr_found): Indicate that insn was disconnected from
10793         stream.
10794         (code_motion_process_successors): Do not call after_merge_succs
10795         callback if original expression was not found when traversing any of
10796         the branches.
10797         (code_motion_path_driver): Change return type.  Update prototype.
10798         (move_op): Update comment.  Add a new parameter (should_move).  Update
10799         prototype.  Set *should_move based on indication provided by
10800         move_op_orig_expr_found.
10801
10802 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10803
10804         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10805         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10806         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10807         * config/rs6000/rs6000.c (rs6000_override_options): Default
10808         avoid-indexed-addresses on for Power6, off for everything else.
10809         (avoiding_indexed_address_p): New function.
10810         (rs6000_legitimize_address): Use it.
10811         (rs6000_legitimate_address): Likewise.
10812         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10813
10814 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10815
10816         PR tree-optimization/38997
10817         * tree-loop-distribution.c (generate_memset_zero): Use
10818         POINTER_PLUS_EXPR for a pointer addition.
10819
10820 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10821
10822         * config/s390/s390.md (bswap<mode>2): New pattern added.
10823
10824 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10825
10826         * config/s390/s390.md (*tls_load_31): Added type attribute.
10827
10828 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10829
10830         * config/s390/s390.md: Fix a few comments.
10831
10832 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10833
10834         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10835         (*tm<mode>_full): Fixed z10prop attribute.
10836         (*tst<mode>_extimm): Fixed z10prop attribute.
10837         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10838         (*tstqiCCT_cconly): Fixed z10prop attribute.
10839         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10840         (*movsi_larl): Fixed z10prop attribute.
10841         (*movsi_zarch): Fixed z10prop attribute.
10842         (*movsi_eas): Fixed z10prop attribute.
10843         (*movhi): Fixed z10prop attribute.
10844         (*movqi): Fixed z10prop attribute.
10845         (*movstrictqi): Fixed z10prop attribute.
10846         (*mov<mode>): Fixed z10prop attribute.
10847         (*movcc): Fixed z10prop attribute.
10848         (*sethighpartdi_64): Fixed z10prop attribute.
10849         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10850         (*negdi2_sign_cc): Fixed z10prop attribute.
10851         (*negdi2_sign): Fixed z10prop attribute.
10852         (*absdi2_sign_cc): Fixed z10prop attribute.
10853         (*absdi2_sign): Fixed z10prop attribute.
10854         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10855         (*negabsdi2_sign): Fixed z10prop attribute.
10856         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10857         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10858         (doloop_si64): Fixed z10prop attribute.
10859         (doloop_si31): Fixed z10prop attribute.
10860         (doloop_long): Fixed z10prop attribute.
10861         (indirect_jump): Fixed z10prop attribute.
10862         (nop): Fixed z10prop attribute.
10863         (main_base_64): Fixed z10prop attribute.
10864         (reload_base_64): Fixed z10prop attribute.
10865
10866 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10867
10868         PR rtl-optimization/38740
10869         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10870         if !optimize.
10871         * config/mips/mips.c (mips_reorg): Likewise.
10872
10873 2009-01-28  Richard Guenther  <rguenther@suse.de>
10874
10875         PR tree-optimization/38926
10876         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10877         with the correct value id to a value.
10878         (do_regular_insertion): Use the value number of edoubleprime
10879         for the value number of the expr.
10880
10881         Revert
10882         2008-08-21  Richard Guenther  <rguenther@suse.de>
10883
10884         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10885         a PHI ask VN if it is already available.
10886         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10887         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10888
10889 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10890
10891         PR middle-end/38934
10892         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10893         set to varying whenever max has TREE_OVERFLOW set, similarly
10894         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10895
10896 2009-01-28  Richard Guenther  <rguenther@suse.de>
10897
10898         PR middle-end/38908
10899         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10900         uninitialized aggregate uses in call arguments.
10901
10902 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10903
10904         PR tree-optimization/38984
10905         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10906         the nothing_id variable if -fno-delete-null-pointer-checks.
10907
10908 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10909
10910         PR target/38988
10911         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10912         (set_got_offset_rex64): Ditto.
10913
10914 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10915
10916         PR target/38941
10917         * doc/extend.texi: Improve local variable with asm reg.
10918
10919 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10920
10921         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10922         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10923         was not supplied then set warn_packed_bitfield_compat to the
10924         default value of 1.
10925         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10926         against 1.
10927
10928 2009-01-27  Richard Guenther  <rguenther@suse.de>
10929
10930         PR tree-optimization/38503
10931         * cfgexpand.c (expand_gimple_basic_block): Ignore
10932         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10933         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10934         variables that cannot have TBAA applied.
10935         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10936         statements.
10937
10938 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10939
10940         PR middle-end/38969
10941         * calls.c (initialize_argument_information): Do not wrap complex
10942         arguments in SAVE_EXPR.
10943
10944 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10945
10946         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10947         (INSTALL_LIBGCC): Revert typo commit.
10948
10949 2009-01-26  Richard Guenther  <rguenther@suse.de>
10950
10951         PR tree-optimization/38745
10952         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10953         from special handling.
10954
10955 2009-01-26  Richard Guenther  <rguenther@suse.de>
10956
10957         PR tree-optimization/38745
10958         * tree-ssa.c (execute_update_addresses_taken): Do not include
10959         variables that cannot possibly be a register in not_reg_needs.
10960         Do not clear TREE_ADDRESSABLE on vars that may not become
10961         registers.
10962         * tree-ssa.c (update_alias_info_1): Include those in the set
10963         of addressable vars.
10964
10965 2009-01-26  Richard Guenther  <rguenther@suse.de>
10966
10967         PR middle-end/38851
10968         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10969         * tree-ssa-dse.c: Include langhooks.h
10970         (execute_simple_dse): Remove stores with zero size.
10971
10972 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10973
10974         PR c/38957
10975         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10976         as PLUS_EXPR.
10977
10978 2009-01-24  Julian Brown  <julian@codesourcery.com>
10979
10980         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10981         config/arm/linux-atomic.c.
10982         * config/arm/linux-atomic.c: New.
10983
10984 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10985
10986         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10987         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10988         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10989
10990 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10991
10992         PR c/38938
10993         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10994         properly.
10995
10996 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10997
10998         PR tree-optimization/38953
10999         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11000         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11001         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11002         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11003         changed the CFG.
11004
11005 2009-01-24  Paul Brook  <paul@codesourcery.com>
11006
11007         * config/arm/neon.md (neon_type): Move to arm.md.
11008         (neon_mov<VSTRUCT>): Add neon_type attribute.
11009         * config/arm/arm.md (neon_type): Move to here.
11010         (conds): Add "unconditioal" and use as default for NEON insns.
11011
11012 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11013
11014         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11015         void *' warning from -Wc++-compat.
11016         * Makefile.in (dominance.o-warn): Remove.
11017
11018 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11019
11020         PR tree-optimization/38932
11021         * fold-const.c (fold_unary_ignore_overflow): New.
11022         * tree.h (fold_unary_ignore_overflow): Declare.
11023         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11024         * tree-ssa-sccvn.c (visit_reference_op_load,
11025         simplify_unary_expression): Likewise.
11026
11027 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11028
11029         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11030         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11031         regardless of their type.
11032         * c-common.c (handle_packed_attribute): Don't ignore packed on
11033         bitfields.
11034         * c.opt (Wpacked-bitfield-compat): New warning option.
11035         * stor-layout.c (place_field): Warn if offset of a field changed.
11036         * doc/extend.texi (packed): Mention the ABI change.
11037         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11038         (Warning Options): Add it to the list.
11039
11040 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11041
11042         * c-opts.c (c_common_post_options): Fix a typo in comments.
11043
11044 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11045
11046         PR middle-end/38615
11047         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11048         variables to static.
11049         * doc/invoke.texi (-fmerge-all-constants): Update description.
11050
11051 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11052
11053         PR target/38931
11054         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11055         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11056
11057 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11058
11059         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11060         a word boundary.
11061         (LOCAL_ALIGNMENT): Similarly.
11062
11063 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11064             Joseph Myers  <joseph@codesourcery.com>
11065
11066         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11067         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11068         * config/arm/arm-tune.md: Regenerate.
11069         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11070         -march=iwmmxt2.
11071
11072 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11073
11074         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11075         version number to five.
11076
11077 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11078
11079         PR c++/38930
11080         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11081         * c-common.c (set_underlying_type): Likewise.
11082         (is_typedef_decl ): Likewise
11083         * tree.h: Likewise
11084         (set_underlying_type): Likewise.
11085         (is_typedef_type): Likewise.
11086
11087 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11088
11089         PR middle-end/38587
11090         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11091         crossing setjmps.
11092
11093 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11094
11095         PR bootstrap/37660
11096         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11097         (LIBGCC_SPEC):  Don't define.
11098         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11099
11100 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11101
11102         PR rtl-optimization/38879
11103         * alias.c (base_alias_check): Unaligned access via AND address can
11104         alias all surrounding object types except those with sizes equal
11105         or wider than the size of unaligned access.
11106
11107 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11108
11109         PR c++/26693
11110         * c-decl.c (clone_underlying_type): Move this ...
11111         * c-common.c (set_underlying_type): ... here.
11112         Also, make sure the function properly sets TYPE_STUB_DECL() on
11113         the newly created typedef variant type.
11114         (is_typedef_decl ): New entry point.
11115         * tree.h: Added a new member member_types_needing_access_check to
11116         struct tree_decl_non_common.
11117         (set_underlying_type): New entry point.
11118         (is_typedef_type): Likewise.
11119
11120 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11121
11122         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11123         Check whether two instructions have memory references that
11124         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11125         are helper functions for traversing.
11126         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11127         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11128         not to draw dependency edge for instructions with non-conflicting
11129         alias sets.
11130
11131 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11132
11133         PR other/38758
11134         * longlong.h: Update copyright years.  Use soft-fp license notice.
11135         Sync __clz_tab declaration with glibc.
11136
11137 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11138
11139         PR target/30687
11140         * doc/extend.texi (syscall_linkage): New.
11141         (version_id): Modify.
11142
11143 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11144             Richard Guenther  <rguenther@suse.de>
11145
11146         PR tree-optimization/38747
11147         PR tree-optimization/38748
11148         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11149         conversion if the base address is an indirect reference and the
11150         aliasing sets could cause issues.
11151
11152 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11153
11154         * common.opt (fgraphite, fgraphite-identity): Add comment for
11155         explaining why these options are not documented.
11156
11157 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11158
11159         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11160         gimple_call_lhs is NULL.
11161
11162 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11163
11164         PR target/38868
11165         * emit-rtl.c (adjust_address_1): Make sure memref is never
11166         overwritten.
11167
11168 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11169
11170         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11171         const qualifier from arg parameter. Remove unnecessary cast to char *.
11172         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11173         const qualifier from arg 2.
11174
11175 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11176
11177         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11178
11179 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11180
11181         PR c/38869
11182         * rtl.h (reinit_regs): New prototype.
11183         * regclass.c: Include ira.h.
11184         (reinit_regs): New.
11185         * Makefile.in (regclass.o): Add ira.h.
11186         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11187
11188 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11189
11190         PR target/38736
11191         * c-common.c (handle_aligned_attribute): Use
11192         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11193         default alignment value.
11194
11195         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11196
11197         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11198         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11199
11200         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11201         __BIGGEST_ALIGNMENT__.
11202
11203         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11204
11205 2009-01-18  Richard Guenther  <rguenther@suse.de>
11206
11207         PR tree-optimization/38819
11208         * tree-flow.h (operation_could_trap_helper_p): Declare.
11209         * tree-eh.c (operation_could_trap_helper_p): Export.
11210         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11211         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11212         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11213         are about to insert a possibly trapping instruction and fail
11214         in this case.
11215
11216 2009-01-18  Andreas Schwab  <schwab@suse.de>
11217
11218         * doc/install.texi (Configuration): Remove obsolete paragraph
11219         about use of --with-gnu-ld with --with-gnu-as.
11220
11221 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11222
11223         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11224         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11225         Follow spelling conventions.
11226
11227 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11228
11229         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11230         C++ warning about implicit conversion from void * to struct
11231         bitmap_head_def *.
11232         (bitmap_obstack_free): Likewise for bitmap_element *.
11233         * Makefile.in (bitmap.o-warn): Remove.
11234
11235 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11236
11237         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11238
11239 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11240             Tobias Grosser  <tobi.grosser@amd.com>
11241
11242         * graphite.c (graphite_trans_scop_block): Do not block single
11243         nested loops.
11244
11245 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11246
11247         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11248         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11249         test with assertion.
11250
11251 2009-01-16  Richard Guenther  <rguenther@suse.de>
11252
11253         PR tree-optimization/38835
11254         PR middle-end/36227
11255         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11256         and INT + PTR -> (INT)(PTR p+ INT) folding.
11257         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11258
11259 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11260
11261         PR target/38554
11262         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11263         the subreg from a lowpart subreg if it is also casting the value.
11264
11265 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11266             Tobias Grosser  <tobi.grosser@amd.com>
11267
11268         * graphite.c (compare_prefix_loops): New.
11269         (build_scop_canonical_schedules): Rewritten.
11270         (graphite_transform_loops): Move build_scop_canonical_schedules
11271         after build_scop_iteration_domain.
11272
11273 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11274             Tobias Grosser  <tobi.grosser@amd.com>
11275
11276         * graphite.c (add_conditions_to_domain): Add the loops to
11277         the dimension of the iteration domain.  Do copy the domain
11278         only when it exists.
11279         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11280         (add_conditions_to_constraints): New.
11281         (can_generate_code_stmt, can_generate_code): Removed.
11282         (gloog): Do not call can_generate_code.
11283         (graphite_transform_loops): Call add_conditions_to_constraints
11284         after building the iteration domain.
11285
11286 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11287
11288         PR tree-optimization/38789
11289         * tree-ssa-threadedge.c
11290         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11291         __builtin_constant_p.
11292
11293 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11294
11295         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11296         examined before deleting them.
11297
11298 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11299
11300         * function.c (aggregate_value_p): Correctly extract the function
11301         type from CALL_EXPR_FN lookup.
11302
11303 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11304
11305         * config/picochip/picochip.c (picochip_override_options): Revert
11306         CFI asm flag disable commited previously.
11307
11308 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11309             Tobias Grosser  <tobi.grosser@amd.com>
11310             Jan Sjodin  <jan.sjodin@amd.com>
11311
11312         * graphite.c (scan_tree_for_params): On substractions negate
11313         all the coefficients of the term.
11314         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11315         of more than two operands.
11316         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11317         (get_vdef_before_scop): Handle also the case of default definitions.
11318
11319 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11320
11321         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11322         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11323         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11324
11325 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11326             Joey Ye  <joey.ye@intel.com>
11327
11328         PR middle-end/37843
11329         * cfgexpand.c (expand_stack_alignment): Don't update stack
11330         boundary nor check incoming stack boundary here.
11331         (gimple_expand_cfg): Update stack boundary and check incoming
11332         stack boundary here.
11333
11334 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11335
11336         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11337
11338 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11339
11340         PR rtl-optimization/38245
11341         * calls.c (expand_call): Add stack arguments to
11342         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11343         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11344         in regs and partially in memory or BLKmode arguments.
11345         (emit_library_call_value_1): Add stack arguments to
11346         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11347         ACCUMULATE_OUTGOING_ARGS).
11348         * dce.c: Include tm_p.h.
11349         (find_call_stack_args): New function.
11350         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11351         argument.
11352         (mark_insn): Call find_call_stack_args for CALL_Ps.
11353         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11354         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11355         down to deletable_insn_p, don't mark stores set in arg_stores
11356         bitmap, clear the bitmap at the beginning of each bb.
11357         * Makefile.in (dce.o): Depend on $(TM_P_H).
11358
11359 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11360
11361         PR target/22599
11362         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11363         to make sure the insn is a conditional test (bug 22599).  Reformat a
11364         few long lines.
11365
11366 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11367
11368         PR middle-end/38431
11369         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11370         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11371         (gloog): Do not call cleanup_tree_cfg.
11372         (graphite_transform_loops): Call cleanup_tree_cfg after all
11373         scops have been code generated.
11374
11375 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11376         * doc/gty.texi (Invoking the garbage collector): Added new node
11377         and section documenting ggc_collect.
11378
11379 2009-01-14  Richard Guenther  <rguenther@suse.de>
11380
11381         PR tree-optimization/38826
11382         PR middle-end/38477
11383         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11384         initialization notes only if we actually emitted a warning.
11385         (intra_create_variable_infos): Add constraints for a result decl
11386         that is passed by hidden reference.
11387         (build_pred_graph): Mark all related variables non-direct on
11388         address-taking.
11389
11390 2009-01-14  Nick Clifton  <nickc@redhat.com>
11391
11392         * ira-conflicts.c: Include addresses.h for the definition of
11393         base_reg_class.
11394         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11395         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11396
11397 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11398
11399         PR target/38811
11400         * Makefile.in (ira-lives.o): Add except.h.
11401
11402         * ira-lives.c: Include except.h.
11403         (process_bb_node_lives): Process can_throw_internal.
11404
11405 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11406
11407         PR rtl-optimization/38774
11408         * combine.c (simplify_set): When undoing cc_use change, don't do
11409         PUT_CODE on the newly created comparison, but instead put back the
11410         old comparison.
11411
11412 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11413
11414         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11415         values.  Remove duplicate arm8 entry.
11416
11417 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11418
11419         PR tree-optimization/38786
11420         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11421         the SSA_NAME case of expand_scalar_variables_expr.
11422         Set the type of an expression to the type of its assign statement.
11423         (expand_scalar_variables_expr): Also gather the scalar computation
11424         used to index the memory access.  Do not pass loop_p.
11425         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11426         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11427         the gimple_stmt_iterator where it inserts new code.
11428         Do not pass loop_p.
11429         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11430         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11431
11432 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11433
11434         * graphite.h (debug_value): Removed.
11435         * graphite.c (debug_value): Removed.
11436
11437 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11438
11439         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11440         ldrd/strd with two 32-bit instructions.
11441
11442 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11443
11444         * config/arm/arm.c (struct processors): Pass for speed down into
11445         cost helper functions.
11446         (const_ok_for_op): Handle COMPARE and inequality nodes.
11447         (arm_rtx_costs_1): Rewrite.
11448         (arm_size_rtx_costs): Update prototype.
11449         (arm_rtx_costs): Pass speed down to helper functions.
11450         (arm_slowmul_rtx_costs): Rework cost calculations.
11451         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11452         (arm_9e_rtx_costs): Likewise.
11453
11454 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11455
11456         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11457         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11458         (alpha_legitimize_address): Do not split local symbols wider than
11459         UNITS_PER_WORD into HIGH/LO_SUM parts.
11460
11461 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11462
11463         PR bootstrap/38580
11464         * gcc.c (process_command): Replace call to execvp with calls
11465         to pex_one and exit.
11466
11467 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11468
11469         PR target/29141
11470         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11471         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11472         variant for devices with 3-byte PC.
11473         (__tablejump_elpm__): New.
11474
11475 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11476
11477         PR c/32041
11478         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11479         offsetof member-designator, handle it as `[0].'.
11480
11481 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11482
11483         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11484         function when not using named sections on targets with named sections
11485         if branch distance is less than 262132.
11486
11487 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11488
11489         * combine.c (combine_instructions):  Recompute
11490         optimize_this_for_speed_p  for each BB in the main combine loop.
11491
11492 2009-01-12  Tomas Bily  <tbily@suse.cz>
11493
11494         PR middlend/38385
11495         * tree-loop-distribution.c (prop_phis): New function.
11496         (generate_builtin): Call prop_phis.
11497         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11498
11499 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11500
11501         PR tree-optimization/38807
11502         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11503         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11504
11505 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11506
11507         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11508         subreg of op0 to the original op0.
11509
11510 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11511
11512         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11513
11514 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11515
11516         PR debug/7055
11517         * mips-tfile.c (parse_def): Fix parsing of def strings
11518         starting with digits.
11519
11520 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11521
11522         PR target/38695
11523         * config/arm/arm.c (arm_is_long_call_p): Don't call
11524         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11525
11526 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11527
11528         * regrename.c (regrename_optimize): Fix dumping.
11529         (find_oldest_value_reg): Preserve REG_POINTER.
11530         (copy_hardreg_forward_1): Likewise.
11531
11532 2009-01-09  Diego Novillo  <dnovillo@google.com>
11533
11534         * gimple.h (struct gimple_statement_base) <uid>: Document
11535         the restrictions on its use.
11536         (gimple_uid): Tidy.
11537         (gimple_set_uid): Tidy.
11538
11539 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11540
11541         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11542         zero guard even if align_bytes != 0 and count is smaller than
11543         size_needed.
11544
11545 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11546
11547         PR rtl-optimization/38495
11548         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11549         (add_range_and_copies_from_move_list): Print all added ranges.
11550         Add ranges to memory optimized destination.
11551
11552 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11553
11554         PR target/38686
11555         PR target/38708
11556         * config/i386/i386.c (override_options): Reject
11557         -mstringop-strategy=rep_8byte with -m32.
11558         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11559         to 1.  Do count comparison against epilogue_size_needed at compile
11560         time even when count_exp was constant forced into register.  For
11561         size_needed don't jump to epilogue, instead just avoid aligning
11562         and invoke the body algorithm.  If need_zero_guard, add zero guard
11563         even if count is non-zero, but smaller than size_needed + number of
11564         bytes that could be stored for alignment.
11565         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11566         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11567         but smaller than size_needed + number of bytes that could be stored
11568         for alignment.  Compare size_needed with epilogue_size_needed instead
11569         of desired_align - align, don't adjust size_needed, pass
11570         epilogue_size_needed to the epilogue expanders.
11571
11572         PR c/35742
11573         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11574
11575 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11576
11577         * pa.c (last_address): Change to unsigned.
11578         (update_total_code_bytes): Change argument to unsigned.  Don't
11579         check if insn addresses are set.
11580         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11581         addresses are not set.
11582         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11583
11584 2009-01-09  Nick Clifton  <nickc@redhat.com>
11585
11586         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11587         DECL_DECLARED_INLINE_P.
11588
11589 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11590
11591         PR middle-end/38347
11592         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11593         GET_MODE (op0) in operand_subword_force calls.
11594
11595         PR middle-end/38771
11596         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11597         fold_convert arg0 operands to TREE_TYPE (op0) first.
11598
11599 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11600
11601         * params.def (ira-max-conflict-table-size): Decrease default value
11602         to 1000.
11603
11604 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11605
11606         PR tree-optimization/37031
11607         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11608         on parameter_set.
11609         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11610         allocate it using gc instead of heap, use VEC_quick_push instead of
11611         VEC_safe_push.
11612         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11613         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11614         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11615         allocated vector from heap allocated.
11616         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11617         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11618         vector only after perfect_loop_nest_depth call.
11619
11620 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11621             Jan Sjodin  <jan.sjodin@amd.com>
11622
11623         PR tree-optimization/38559
11624         * graphite.c (debug_value, copy_constraint,
11625         swap_constraint_variables, scale_constraint_variable, ): New.
11626         (get_lower_bound, get_upper_bound): Removed.
11627         (graphite_trans_bb_strip_mine): Clean up this code that works
11628         only for constant number of iterations.  Fully copy upper and
11629         lower bound constraints, not only the constant part of them.
11630         * graphite.h (debug_value): Declared.
11631
11632 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11633
11634         PR tree-optimization/37194
11635         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11636         Don't add the cost of cost model guard in prologue to scalar
11637         outside cost in case of known number of iterations.
11638
11639 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11640             Alan Modra  <amodra@bigpond.net.au>
11641
11642         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11643         non-word-aligned REG+CONST addressing.
11644
11645 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11646
11647         PR target/38706
11648         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11649         free_after_compilation when outputting a thunk.
11650         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11651         Do not call free_after_compilation here.
11652
11653 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11654
11655         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11656         (ix86_valid_target_attribute_inner_p): Ditto.
11657
11658 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11659
11660         PR tree-optimization/38492
11661         PR tree-optimization/38498
11662         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11663         * tree-chrec.h (scev_is_linear_expression): Declared.
11664         * graphite.c (graphite_cannot_represent_loop_niter): New.
11665         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11666         (graphite_loop_normal_form): Use gcc_assert.
11667         (scan_tree_for_params): Use CASE_CONVERT.
11668         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11669         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11670         Use gcc_assert.  Discard scops that contain unhandled cases.
11671         (build_scop_conditions): Return a boolean status for unhandled cases.
11672         (strip_mine_profitable_p): Print the loop number, not its depth.
11673         (is_interchange_valid): Pass the depth of the loop nest, don't
11674         recompute it wrongly.
11675         (graphite_trans_bb_block): Same.
11676         (graphite_trans_bb_block): Print tentative of loop blocking.
11677         (graphite_trans_scop_block): Do not print that the loop has been
11678         blocked.
11679         (graphite_transform_loops): Do not handle scops that contain condition
11680         scalar phi nodes.
11681
11682 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11683
11684         AVX Programming Reference (December, 2008)
11685         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11686         (_mm256_stream_pd): Likewise.
11687         (_mm256_stream_ps): Likewise.
11688
11689         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11690         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11691         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11692         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11693         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11694         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11695         (ix86_expand_special_args_builtin): Likewise.
11696
11697         * config/i386/sse.md (AVXMODEDI): New.
11698         (avx_movnt<mode>): Likewise.
11699         (avx_movnt<mode>): Likewise.
11700         (<sse>_movnt<mode>): Remove AVX support.
11701         (sse2_movntv2di): Likewise.
11702
11703 2009-01-07  Richard Guenther  <rguenther@suse.de>
11704
11705         PR middle-end/38751
11706         * fold-const.c (extract_muldiv): Remove obsolete comment.
11707         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11708         to PLUS_EXPR canonicalization for the canonicalization.
11709
11710 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11711
11712         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11713         hosted cross-compilers generating less efficient code.
11714
11715 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11716
11717         * function.h (rtl_data): Add a dbr_scheduled_p field.
11718         * reorg.c (dbr_schedule): Set it.
11719         (gate_handle_delay_slots): Check it.
11720         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11721         (mips_reorg): Check flag_delayed_branch instead of
11722         mips_base_delayed_branch.
11723         (mips_override_options): Don't set mips_base_delayed_branch
11724         or flag_delayed_branch.
11725
11726 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11727
11728         PR rtl-optimization/38426.
11729         * ira.c (ira): Set current_function_is_leaf earlier.
11730
11731 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11732
11733         PR rtl-optimization/38722
11734         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11735         too early, only set a flag and modify after last possible
11736         undo_all point.
11737
11738 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11739
11740         PR c/34252
11741         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11742         * real.c (decimal_single_format): Correct values of emin and emax.
11743         (decimal_double_format): Ditto.
11744         (decimal_quad_format): Ditto.
11745         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11746         computation of DECnn_MIN and DECnn_MAX for corrected values of
11747         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11748         __DECnn_MIN__, and adjust its computation for the corrected value
11749         of emin.
11750
11751 2009-01-06  Jan Hubicka  <jh@suse.cz>
11752
11753         PR target/38744
11754         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11755
11756 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11757
11758         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11759         Add Robert Clark to the list of testers.
11760
11761 2009-01-06  Jan Hubicka  <jh@suse.cz>
11762             Kai Tietz  <kai.tietz@onevision.com>
11763
11764         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11765         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11766
11767 2009-01-06  Jan Hubicka  <jh@suse.cz>
11768             Kai Tietz  <kai.tietz@onevision.com>
11769
11770         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11771         for w64 ABI.
11772         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11773         (ix86_nsaved_regs): Count only general purpose regs.
11774         (ix86_nsaved_sseregs): New.
11775         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11776         to 16 for w64; compute padding and size of sse reg save area.
11777         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11778         general purpose regs.
11779         (ix86_emit_save_sse_regs_using_mov): New.
11780         (ix86_expand_prologue): Save SSE regs if needed.
11781         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11782         (ix86_emit_restore_sse_regs_using_mov): New.
11783         (ix86_expand_epilogue): Save SSE regs if needed.
11784
11785 2009-01-06  Jan Hubicka  <jh@suse.cz>
11786             Kai Tietz  <kai.tietz@onevision.com>
11787
11788         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11789         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11790         functions when accumulate outgoing args is off.
11791
11792 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11793
11794         PR bootstrap/38742
11795         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11796         before using pseudos_have_intersected_live_ranges_p.
11797
11798         * ira-int.h (ira_assert): Always define.
11799
11800 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11801
11802         AVX Programming Reference (December, 2008)
11803         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11804         (_mm256_permute2_pd): Likewise.
11805         (_mm_permute2_ps): Likewise.
11806         (_mm256_permute2_ps): Likewise.
11807         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11808         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11809
11810         * config/i386/i386.c (ix86_builtins): Remove
11811         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11812         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11813         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11814         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11815         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11816         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11817         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11818         __builtin_ia32_vpermil2ps256.
11819         (ix86_init_mmx_sse_builtins): Updated.
11820         (ix86_expand_args_builtin): Likewise.
11821
11822 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11823
11824         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11825         long absolute calls when generating PA 2.0 code.
11826
11827 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11828
11829         PR rtl-optimization/38583
11830         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11831
11832         * params.def (ira-max-conflict-table-size): New.
11833
11834         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11835
11836         * ira.h (ira_conflicts_p): New external definition.
11837
11838         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11839         table.  Report this.  Return result of building.
11840         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11841         building conflict table.
11842
11843         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11844         (ira_color): Use ira_conflicts_p.
11845
11846         * global.c: Include ira.h.
11847         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11848         ira_conflicts_p.
11849
11850         * Makefile.in (global.o): Add ira.h.
11851
11852         * ira-build.c (mark_all_loops_for_removal,
11853         propagate_some_info_from_allocno): New.
11854         (remove_unnecessary_allocnos): Call
11855         propagate_some_info_from_allocno.
11856         (remove_low_level_allocnos): New.
11857         (remove_unnecessary_regions): Add parameter.  Call
11858         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11859         parameter to remove_unnecessary_regions.
11860         (ira_build): Remove all regions but root if the conflict table was
11861         not built.  Update conflict hard regs for allocnos crossing calls.
11862
11863         * ira.c (ira_conflicts_p): New global.
11864         (ira): Define and use ira_conflicts_p.
11865
11866         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11867         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11868         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11869
11870 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11871
11872         * gengtype-lex.l (YY_NO_INPUT): Define.
11873
11874 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11875
11876         PR c/34911
11877         * c-common.c (handle_vector_size_attribute): Also reject
11878         BOOLEAN_TYPE types.
11879
11880 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11881
11882         PR tree-optimization/38492
11883         * graphite.c (rename_map_elt, debug_rename_elt,
11884         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11885         rename_map_elt_info, eq_rename_map_elts,
11886         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11887         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11888         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11889         (sese_build_livein_liveouts): New.
11890         (new_sese, free_sese): New.
11891         (new_scop): Call new_sese.
11892         (free_scop): Call free_sese.
11893         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11894         (register_old_new_names): Renamed register_old_and_new_names.
11895         (register_scop_liveout_renames, add_loop_exit_phis,
11896         insert_loop_close_phis, struct igp,
11897         default_liveout_before_guard, add_guard_exit_phis,
11898         insert_guard_phis, copy_renames): New.
11899         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11900         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11901         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11902         (scop_adjust_phis_for_liveouts): New.
11903         (gloog): Call scop_adjust_phis_for_liveouts.
11904
11905         * graphite.h (struct sese): Documented.  Added fields liveout,
11906         num_ver and livein.
11907         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11908         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11909         (struct scop): Added field liveout_renames.
11910         (SCOP_LIVEOUT_RENAMES): New.
11911
11912 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11913
11914         PR tree-optimization/38510
11915         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11916         (translate_clast): Call recompute_all_dominators before
11917         graphite_verify.
11918         (gloog): Call recompute_all_dominators before graphite_verify.
11919
11920 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11921             Jan Sjodin  <jan.sjodin@amd.com>
11922
11923         PR tree-optimization/38500
11924         * graphite.c (create_sese_edges): Call fix_loop_structure after
11925         splitting blocks.
11926
11927 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11928
11929         * config.gcc: Add m32r*-*-rtems*.
11930         * config/m32r/rtems.h: New file.
11931
11932 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11933
11934         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11935         (.po.pox): Likewise.
11936         (po/gcc.pot): Likewise.
11937
11938 2009-01-04  David S. Miller  <davem@davemloft.net>
11939
11940         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11941         (STARTING_FRAME_OFFSET): Always set to zero.
11942
11943 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11944
11945         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11946         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11947         fixed-point types, and vectors of the same.
11948
11949 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11950
11951         * config/mips/sync.md (*mb_barrier): Rename to...
11952         (*memory_barrier): ...this.
11953
11954 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11955
11956         * doc/extend.texi (Function Attributes): Move @cindex after @item
11957         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11958         and put in alphabetical order. Fix 'target' name and put in order.
11959         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11960         typos.
11961
11962 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11963
11964         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11965         (memory_barrier): Expand as unspec instead of unspec_volatile.
11966         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11967         (*memory_barrier): Define as unspec instead of unspec_volatile.
11968         Use (match_dup 0) as input operand.
11969
11970         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11971         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11972         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11973         scratch register.  Remove operand 1.
11974         (*stbar): Define as unspec instead of unspec_volatile.
11975         Use (match_dup 0) as input operand, remove (const_int 8).
11976         (*membar): Define as unspec instead of unspec_volatile.
11977         Use (match_dup 0) as input operand, remove input operand 2.
11978
11979         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11980         (memory_barrier): Expand as unspec instead of unspec_volatile.
11981         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11982         (*memory_barrier): Define as unspec instead of unspec_volatile.
11983         Use (match_dup 0) as input operand.
11984
11985         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11986         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11987         Set volatile flag on operand 0.
11988         (*memory_barrier): New insn pattern.
11989
11990         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11991         insn operands.
11992         (*memory_barrier): Use (match_dup 0) as input operand.
11993
11994         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11995         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11996         Set volatile flag on operand 0.
11997         (*mb_internal): New insn pattern.
11998
11999         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12000
12001 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12002
12003         PR middle-end/38586
12004         * function.c (struct temp_slot): Move to the section of the file
12005         that deals with temp slots.  Remove field 'address'.
12006         (temp_slot_address_table): New hash table of address -> temp slot.
12007         (struct temp_slot_address_entry): New struct, items for the table.
12008         (temp_slot_address_compute_hash, temp_slot_address_hash,
12009         temp_slot_address_eq, insert_temp_slot_address): Support functions
12010         for the new table.
12011         (find_temp_slot_from_address): Rewrite to use the new hash table.
12012         (remove_unused_temp_slot_addresses): Remove addresses of temp
12013         slots that have been made available.
12014         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12015         worker function for remove_unused_temp_slot_addresses.
12016         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12017         Add the temp slot address to the address -> temp slot map.
12018         (update_temp_slot_address): Update via insert_temp_slot_address.
12019         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12020         (pop_temp_slots): Likewise.
12021         (init_temp_slots): Allocate the address -> temp slot map, or empty
12022         the map if it is already allocated.
12023         (prepare_function_start): Initialize temp slot processing.
12024
12025 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12026
12027         PR middle-end/38584
12028         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12029         Calculate the size of all stack vars assuming no packing of stack
12030         vars will happen, replacing a quadratic algorithm with a linear one.
12031
12032 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12033
12034         PR target/38707
12035         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12036         can't be used.
12037
12038 2009-01-03  Diego Novillo  <dnovillo@google.com>
12039
12040         * doc/contrib.texi: Update contributions.
12041
12042 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12043
12044         PR c++/38705
12045         * builtins.c (fold_builtin_memory_op): Give up if either operand
12046         is volatile.  Set srctype or desttype to non-qualified version
12047         of the other type.
12048
12049         PR c/38700
12050         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12051         and FUNCTION_DECLs.
12052
12053 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12054
12055         PR rtl-optimization/35805
12056         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12057         problem if fast dce is able to remove any instructions.
12058         * dce.c (dce_process_block): Fix dump message.
12059
12060 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12061
12062         PR 33649
12063         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12064
12065 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12066
12067         PR middle-end/38690
12068         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12069         * tree-pretty-print.c (op_code_prio): New function.
12070         (op_prio): No longer static.  Use op_code_prio.
12071         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12072         Use op_prio and op_code_prio to determine if () should be
12073         printed around operand(s) or not.
12074
12075         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12076         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12077         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12078         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12079         pp_character instead of pp_string for single letter printing.
12080
12081 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12082
12083         * doc/extend.texi: Fix '#pragma GCC option' typo.
12084
12085 2009-01-02  Richard Guenther  <rguenther@suse.de>
12086
12087         * doc/install.texi (--enable-checking): Mention different
12088         default for stage1.
12089         (--enable-stage1-checking): Document.
12090
12091 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12092
12093         PR middle-end/30142
12094         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12095         case to be an error.
12096
12097 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12098
12099         * config/fp-bit.h (pack_d): Constify argument.
12100         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12101         (isnan): Constify argument.
12102         (isinf): Likewise.
12103         (iszero): Likewise.
12104         (pack_d): Likewise.
12105         (_fpadd_parts): Constify return type.
12106         (_fpmul_parts): Likewise.
12107         (_fpdiv_parts): Likewise.
12108
12109 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12110
12111         PR c/36489
12112         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12113         warn about overwriting initializer with side-effects or
12114         -Woverride-init if !IMPLICIT.
12115         (output_init_element): Likewise.  Pass IMPLICIT down to
12116         add_pending_init.
12117         (process_init_element): Add IMPLICIT argument.  Pass it down
12118         to output_init_element.
12119         (push_init_element, pop_init_level, set_designator): Adjust
12120         process_init_element callers.
12121         (set_nonincremental_init, set_nonincremental_init_from_string):
12122         Adjust add_pending_init callers.
12123         (output_pending_init_elements): Adjust output_init_element callers.
12124         * c-tree.h (process_init_element): Adjust prototype.
12125         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12126         process_init_element callers.
12127
12128 \f
12129 Copyright (C) 2009 Free Software Foundation, Inc.
12130
12131 Copying and distribution of this file, with or without modification,
12132 are permitted in any medium without royalty provided the copyright
12133 notice and this notice are preserved.