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2009-05-15 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
2
3         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
4         * config/frv/frv.c: Likewise.
5         * config/s390/s390.c: Likewise.
6         * config/sparc/sparc.h: Likewise.
7         * config/i386/i386.h: Likewise.
8         * config/i386/i386.c: Likewise.
9         * config/crx/crx.c: Likewise.
10         * config/m68hc11/m68hc11.h: Likewise.
11         * config/iq2000/iq2000.c: Likewise.
12         * config/mn10300/mn10300.h: Likewise.
13         * config/mn10300/mn10300.c: Likewise.
14         * config/m68k/m68k.c: Likewise.
15         * config/rs6000/rs6000.c: Likewise.
16         * config/rs6000/xcoff.h: Likewise.
17         * config/rs6000/linux64.h: Likewise.
18         * config/rs6000/sysv4.h: Likewise.
19         * config/score/score3.c: Likewise.
20         * config/score/score7.c: Likewise.
21         * config/score/score.c: Likewise.
22         * config/arm/arm.md: Likewise.
23         * config/mips/mips.c: Likewise.
24         * config/mips/mips.md: Likewise.
25         * config/bfin/bfin.h: Likewise.
26         * config/pa/pa.c: Likewise.
27         * config/pa/constraints.md: Likewise.
28
29         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
30         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
31         * config/pdp11/pdp11.h: Use memory_address_p instead.
32
33 2009-05-14  Ian Lance Taylor  <iant@google.com>
34
35         * passes.c (finish_optimization_passes): Change i to int.
36         * plugin.c (plugins_active_p): Change event to int.
37         (dump_active_plugins): Likewise.
38         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
39         Add cast.
40         * tree.c (tree_range_check_failed): Change c to unsigned int.
41         (omp_clause_range_check_failed): Likewise.
42         (build_common_builtin_nodes): Change mode to int.  Add cast.
43         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
44         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
45
46         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
47         ++ or -- with a variable of enum type.
48
49 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
50
51         PR driver/40144
52         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
53
54 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
55
56         * store-motion.c: Do not include params.h
57         * Makefile.in: Fix dependencies for various files.
58
59 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
60
61         * auto-inc-dec.c: Fix pass description, remove apparent
62         accidental duplication.
63
64 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
65
66         PR middle-end/40147
67         * ipa-utils.h (memory_identifier_string): Moved to ...
68         * tree.h (memory_identifier_string): Here.  Add GTY(()).
69
70 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
71
72         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
73         in the former documentation of...
74         (GO_IF_LEGITIMATE_ADDRESS): ... this.
75         * ira-conflicts.c (get_dup_num): Use address_operand.
76         * targhooks.c (default_legitimate_address_p): New.
77         * targhooks.h (default_legitimate_address_p): New.
78         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
79         Call hook.
80         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
81         * target.h (struct target): Add legitimate_address_p.
82         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
83         (TARGET_INITIALIZER): Include it.
84
85         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
86         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
87         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
88         (TARGET_LEGITIMATE_ADDRESS_P): New.
89
90         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
91         (REG_OK_STRICT_P): Delete.
92         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
93         (frv_legitimate_address_p_1): ... this.
94         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
95         (frv_legitimate_address_p_1): ... the renamed old
96         frv_legitimate_address_p.
97         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
98         (TARGET_LEGITIMATE_ADDRESS_P): New.
99
100         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
101         * config/s390/s390-protos.h (legitimate_address_p): Remove.
102         * config/s390/s390.c (legitimate_address_p): Rename to...
103         (s390_legitimate_address_p): ... this, make static.
104         (legitimize_address): Adjust call.
105         (TARGET_LEGITIMATE_ADDRESS_P): New.
106         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
107
108         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
109         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
110         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
111         (TARGET_LEGITIMATE_ADDRESS_P): New.
112
113         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
114         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
115         * config/spu/spu.c (spu_legitimate_address): Rename to...
116         (spu_legitimate_address_p): ... this, make static.
117         (TARGET_LEGITIMATE_ADDRESS_P): New.
118
119         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
120         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
121         * config/sparc/sparc.c (legitimate_address_p): Rename to...
122         (sparc_legitimate_address_p): ... this, make static and return bool.
123         (legitimize_address): Adjust call.
124         (TARGET_LEGITIMATE_ADDRESS_P): New.
125
126         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
127         * config/i386/i386-protos.h (legitimate_address_p): Remove.
128         * config/i386/i386.c (legitimate_address_p): Rename to...
129         (ix86_legitimate_address_p): ... this, make static.
130         (constant_address_p): Move after it, adjust call.
131         (TARGET_LEGITIMATE_ADDRESS_P): New.
132
133         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
134         * config/avr/avr-protos.h (legitimate_address_p): Remove.
135         * config/avr/avr.c (legitimate_address_p): Rename to...
136         (avr_legitimate_address_p): ... this, make static.
137         (legitimize_address): Adjust call.
138         (TARGET_LEGITIMATE_ADDRESS_P): New.
139
140         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
141         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
142         * config/crx/crx.c (crx_legitimate_address_p): Make static.
143         (TARGET_LEGITIMATE_ADDRESS_P): New.
144
145         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
146         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
147         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
148         (TARGET_LEGITIMATE_ADDRESS_P): New.
149
150         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
151         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
152         Remove.
153         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
154         Make static.
155         (TARGET_LEGITIMATE_ADDRESS_P): New.
156
157         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
158         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
159         Remove.
160         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
161         Rename to...
162         (m68hc11_legitimate_address_p): ... this, make static.
163         (go_if_legitimate_address_internal): Rename to...
164         (m68hc11_legitimate_address_p_1): ... this.
165         (legitimize_address): Adjust call.
166         (TARGET_LEGITIMATE_ADDRESS_P): New.
167
168         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
169         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
170         Remove.
171         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
172         Make static.
173         (TARGET_LEGITIMATE_ADDRESS_P): New.
174
175         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
176         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
177         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
178         (mn10300_legitimate_address_p): ... this, make static.
179         (TARGET_LEGITIMATE_ADDRESS_P): New.
180
181         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
182         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
183         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
184         (TARGET_LEGITIMATE_ADDRESS_P): New.
185
186         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
187         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
188         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
189         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
190         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
191         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
192         (rs6000_legitimate_address_p): ... this, make static.
193         (TARGET_LEGITIMATE_ADDRESS_P): New.
194         (REG_MODE_OK_FOR_BASE_P): Delete.
195         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
196
197         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
198         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
199         Delete.
200         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
201         static, adjust types.
202         (TARGET_LEGITIMATE_ADDRESS_P): New.
203
204         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
205         * config/score/score.c (score_address_p): Rename to...
206         (score_legitimate_address_p): ... this.
207         (TARGET_LEGITIMATE_ADDRESS_P): New.
208         * config/score/score3.c (score3_address_p): Rename to...
209         (score3_legitimate_address_p): ... this.
210         * config/score/score7.c (score7_address_p): Rename to...
211         (score7_legitimate_address_p): ... this.
212
213         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
214         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
215         GO_IF_LEGITIMATE_ADDRESS): Delete.
216         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
217         thumb2_legitimate_address_p): Delete.
218         (arm_legitimate_address_p): Rename to...
219         (arm_legitimate_address_outer_p): ... this.
220         * config/arm/constraints.md ("Uq"): Adjust call.
221         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
222         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
223         (arm_legitimate_address_outer_p): ... this.
224         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
225         (TARGET_LEGITIMATE_ADDRESS_P): New.
226
227         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
228         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
229         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
230         (TARGET_LEGITIMATE_ADDRESS_P): New.
231
232         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
233         * config/vax/vax-protos.h (legitimate_address_p): Remove.
234         * config/vax/vax.c (legitimate_address_p): Rename to...
235         (vax_legitimate_address_p): ... this, make static.
236         (TARGET_LEGITIMATE_ADDRESS_P): New.
237
238         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
239         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
240         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
241         (TARGET_LEGITIMATE_ADDRESS_P): New.
242
243         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
244         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
245         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
246         (mmix_legitimate_address_p): ... this, make static.
247         (TARGET_LEGITIMATE_ADDRESS_P): New.
248
249         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
250         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
251         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
252         (TARGET_LEGITIMATE_ADDRESS_P): New.
253
254 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
255
256         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
257         of MODE_COMPLEX_INT.
258
259 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
260
261         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
262         LCT_NORMAL in function call.
263         * mips-tdump.c (print_file_desc): Add cast to enum type.
264         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
265         (mark_stabs): Add casts to enum types.
266         (parse_stabs_common): Add casts to enum types.
267
268 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
269
270         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
271         Check for invalid values of LETTER.
272
273 2009-05-13  Taras Glek  <tglek@mozilla.com>
274
275         * attribs.c (register_attribute): moved out attribute registration into
276         register_attribute.
277         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
278         * gcc-plugin.h: Added forward decl for register_attribute.
279         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
280         * plugin.c (register_callback, invoke_plugin_callbacks): Added
281         PLUGIN_ATTRIBUTES boilerplate.
282
283 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
284
285         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
286         values even in sentinel and empty entries.
287         (ms_printf_flag_specs):  Likewise.
288         (ms_scanf_flag_specs):  Likewise.
289         (ms_strftime_flag_specs):  Likewise.
290         (ms_print_char_table):  Likewise.
291         (ms_scan_char_table):  Likewise.
292         (ms_time_char_table):  Likewise.
293
294 2009-05-13  Doug Kwan  <dougkwan@google.com>
295
296         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
297
298 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
299
300         * config/mips/mips.md (store): Add attributes for QI and HI.
301         Update comment.
302         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
303         (truncdi<mode>2): ... this new pattern.
304
305 2009-05-13  Brad Hards  <bradh@kde.org>
306
307         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
308
309 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
310             Ben Elliston <bje@au.ibm.com>
311
312         PR middle-end/40035
313         * dse.c (check_mem_read_rtx): Guard against width == -1.
314
315 2009-05-13  Michael Matz  <matz@suse.de>
316
317         PR middle-end/39976
318         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
319         (trivially_conflicts_p): New function.
320         (insert_backedge_copies): Use it.
321
322 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
323
324         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
325         (handle_stdc_pragma): Use new enum constant names.
326         (handle_pragma_float_const_decimal64): Ditto.
327
328 2009-05-13  Ian Lance Taylor  <iant@google.com>
329
330         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
331         tree.def.
332
333 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
334
335         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
336         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
337         multilibs.
338         * config/m68k/m68k.h (FL_UCLINUX): Define.
339
340 2009-05-13  Jan Hubicka  <jh@suse.cz>
341
342         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
343
344 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
345
346         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
347         unless -fschedule-insns is specified.
348
349 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
350
351         PR target/39561
352         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
353         TARGET_EXPAND_CBRANCHDI4.
354         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
355         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
356         (cmpeqdi): Fix comment.
357
358 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
359
360         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
361         (sh_legitimate_address_p): Likewise.
362         * config/sh/sh.c (sh_legitimate_index_p): New.
363         (sh_legitimate_address_p): Likewise.
364         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
365         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
366         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
367         (MAYBE_BASE_REGISTER_RTX_P): New macro.
368         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
369         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
370         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
371         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
372         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
373
374 2009-05-12  Jan Hubicka  <jh@suse.cz>
375
376         * tree-inline.c (estimate_operator_cost): Add operands;
377         when division happens by constant, it is cheap.
378         (estimate_num_insns): Loads and stores are not having cost of 0;
379         EH magic stuff is cheap; when computing runtime cost of switch,
380         use log2 base of amount of its cases; builtin_expect has cost of 0;
381         compute cost for moving return value of call.
382         (init_inline_once): Initialize time_based flags.
383         * tree-inline.h (eni_weights_d): Add time_based flag.
384
385 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
386
387         * df-core.c: Update head documentation.
388
389 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
390
391         PR bootstrap/40118
392         * rs6000.c (rs6000_generate_compare): Use op1b instead of
393         shadowing exisiting variable op1.
394
395 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
396
397         PR target/37179
398         * config/i386/driver-i386.c (processor_signatures): New enum.
399         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
400         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
401         processor signature to detect geode processor.
402
403 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
404
405         Revert:
406
407         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
408
409         * optabs.c (prepare_cmp_insn): Temporarily disable test that
410         causes spurious differences between trunk and cond-optab branch.
411
412 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
413
414         * dojump.c (compare_from_rtx): Delete.
415         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
416         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
417         if the comparison does not satisfy the predicate; test predicates for
418         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
419         further if one existing pattern fails.
420         * expr.h (compare_from_rtx): Delete.
421         (prepare_operand): Declare it.
422         * optabs.c: Change "lib call" to "libcall" throughout.
423         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
424         HAVE_conditional_trap, emit_cmp_insn): Delete.
425         (can_compare_p): Delete cmp_optab case.
426         (prepare_float_lib_cmp): Return an rtx and a machine mode.
427         Accept other parameters by value.
428         (prepare_operand): Make non-static.
429         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
430         other parameters by value.  Try to widen operands here based on
431         an optab_methods argument and looking at cbranch_optab.
432         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
433         loop.  Use cbranch_optab directly.
434         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
435         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
436         assertion.
437         (emit_conditional_move, emit_conditional_add): Inline what's needed
438         of compare_from_rtx, using new prepare_cmp_insn for the rest.
439         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
440         with COMPARE.  Move cmov_optab and cstore_optab above
441         with cbranch_optab, move cmp_optab down with ucmp_optab,
442         remove tst_otpab.  Do not initialize trap_rtx.
443         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
444         for trap code.  Do not check HAVE_conditional_trap.  Use
445         prepare_cmp_insn.  Accept no predicate for operand 3.
446         * optabs.h (OTI_cmp): Mark as used only for libcalls.
447         (OTI_ctrap, ctrap_optab): New.
448         (tst_optab): Delete.
449         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
450         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
451         with lookup of ctrap_optab.
452         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
453         setcc_gen_code): Delete.
454         (ctrap_optab): New.
455
456         * combine.c (combine_simplify_rtx, simplify_set): Do not
457         special case comparing against zero for cc0 machines.
458         * simplify-rtx.c (simplify_binary_operation_1): Never remove
459         COMPARE on cc0 machines.
460         (simplify_relational_operation): Return a new expression when
461         a COMPARE could be removed.
462         * final.c (final_scan_insn): Compare cc_status values
463         against LHS of a (compare FOO (const_int 0)) cc0 source.
464         Also check if cc_status.value is the full compare.
465
466         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
467         (cstoreMM4): Document.
468         (conditional_trap): Document ctrapMM4 instead.
469         (sync_compare_and_swapMM): Refer to cbranchcc4.
470         (Dependent Patterns): Eliminate obsolete information referring to
471         the old jump optimization phase.
472         (Canonicalization): Include cbranchcc4 case, omit canonicalization
473         of compares with 0 on cc0 machines.
474         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
475         avoiding references to cc0.  Remove text about storing operands
476         in cmpMM.
477         * doc/tm.texi (Condition Codes): Include blurb on different
478         condition code representations, separate into subsections for
479         CC0, MODE_CC and conditional execution.
480
481         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
482         alpha_emit_setcc): Accept operands and a machine mode.
483         * config/alpha/alpha.c (alpha_emit_conditional_branch):
484         Get code/op0/op1 from operands, use machine mode argument
485         instead of alpha_compare.fp_p.  Emit the branch here.
486         (alpha_emit_setcc): Likewise, and return boolean.
487         (alpha_emit_conditional_move): Likewise.  Assert that
488         cmp_op_mode == cmp_mode, and simplify accordingly.
489         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
490         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
491         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
492         Delete.
493         (stack probe test): Use cbranchdi4.
494         * config/alpha/predicates.md (alpha_cbranch_operator): New.
495
496         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
497         * config/arc/arc.h (movsicc, movsfcc): Use it.
498         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
499         (cbranchsi4, cstoresi4): New.
500         (cmpsi, bCC and sCC expanders): Remove. 
501
502         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
503         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
504         * config/arm/predicates.md (arm_comparison_operator): Only include
505         floating-point operators if there is a hardware floating-point unit.
506         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
507         deferring to cbranch_cc and cstore_cc respectively.
508         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
509         cbranch_cc, cstore_cc): New.
510         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
511         arm_compare_op1.
512         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
513
514         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
515         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
516         as an argument.
517         (adjust_insn_length): Adjust calls.
518         (avr_reorg): Handle (compare (foo) (const_int 0)).
519         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
520         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
521         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
522         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
523         (bCC): Remove.
524         (cbranchqi4, cbranchhi4, cbranchsi4): New.
525         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
526
527         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
528         (cbranchsi4, cstorebi4, cstoresi4): New.
529         (movbisi): This insn is duplicate, split it to zero_extend.
530         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
531         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
532         (bfin_optimize_loop): Use cbranch expander.
533         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
534         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
535         (bfin_bimode_comparison_operator): ... this.
536         (bfin_direct_comparison_operator): New.
537  
538         * config/cris/cris.c (cris_normal_notice_update_cc): Look
539         inside (compare FOO (const_int 0)).
540         (cris_rtx_costs): Handle ZERO_EXTRACT.
541         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
542         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
543         (*tstdi_v32): Delete.
544         (*cmpdi_non_v32): Add M alternative for operand 1.
545         (cmpsi, cmp<mode>): Make private.
546         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
547         with COMPARE.
548         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
549
550         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
551         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
552         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
553         (cc_reg_operand): New.
554         (any_cond): Delete.
555         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
556         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
557         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
558         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
559         crx_expand_scond): Delete.
560
561         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
562         (cbranchsi4): New.
563         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
564         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
565
566         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
567         cstoresi4, cstoresf4, cstoredf4): New.
568         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
569         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
570         Receive the entire operands array.
571         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
572         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
573         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
574         Get test/op0/op1 from the operands array.
575         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
576
577         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
578         (h8300_expand_store): New.
579         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
580         (const_int 0)).
581         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
582         (h8300_expand_store): New.
583         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
584         or do not try to produce (set (cc0) REG).
585         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
586         change a compare into a move to a scratch register.  Disable some
587         peepholes when comparing with zero.
588         (tstsi, tsthi, tstsi, cmpqi): Make private.
589         (cmphi): Delete.
590         (bCC, sCC): Delete.
591         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
592         cstoresi4): New.
593
594         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
595         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
596         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
597         (ix86_emit_i387_log1p): Use cbranchxf2.
598         (ix86_expand_setcc): Return void.
599         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
600         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
601         cmp<MODEF>, cmpcc): Remove.
602         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
603         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
604         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
605         (sCC and bCC expanders): Remove.
606         (stack_protect_test): Use cbranchcc4.
607
608         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
609         Delete.
610         (ia64_expand_compare): Accept three rtx by reference and return void.
611         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
612         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
613         from *expr.  Update *expr with the BImode comparison to do.
614         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
615         cmptf, bCC, sCC, conditional_trap): Delete.
616         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
617         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
618         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
619         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
620         * config/ia64/predicates.md (ia64_cbranch_operator): New.
621
622         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
623         type of last argument.
624         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
625         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
626         use machine mode argument instead of branch_type.  Remove dead
627         code for floating-point comparisons.
628         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
629         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
630         Remove.
631         (cbranchsi4, cstoresi4): New.
632         * config/iq2000/predicates.md (reg_or_const_operand): New.
633
634         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
635         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
636         (b<code>_op): Rewrite to...
637         (bcc_op): ... this, using match_operator.
638         (s<code>_op): Rewrite to...
639         (scc_op): ... this, using match_operator.
640         (s<code>_24_op): Rewrite to...
641         (scc_op_24): ... this, using match_operator.
642         (s<code>_<mode>): Rewrite to...
643         (cstore<mode>4): ... this, using match_operator.
644         (s<code>_<mode>_24): Rewrite to...
645         (cstore<mode>4_24): ... this, using match_operator.
646         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
647         m32c_unpend_compare, m32c_expand_scc): Delete.
648         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
649         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
650         (m32c_expand_movcc): Change NE to EQ if necessary.
651         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
652
653         * config/m32r/m32r-protos.h (gen_cond_store): New.
654         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
655         (gen_cond_store): New, from sCC patterns.
656         (m32r_expand_block_move): Use cbranchsi4.
657         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
658         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
659         (cbranchsi4, cstoresi4): New.
660         
661         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
662         Delete.
663         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
664         (m68hc11_notice_update_cc): Look into a compare with 0.
665         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
666         Delete.
667         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
668         cmphi, cmpqi, bCC): Delete.
669         (cbranchsi4, cbranchhi4, cbranchqi4): New.
670         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
671         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
672         sets with COMPARE.
673
674         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
675         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
676         * config/m68k/constraints.md (H): New.
677         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
678         the define_insn below.
679         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
680         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
681         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
682         patterns): Wrap RHS with COMPARE.
683         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
684         (*cmpdi_internal): Name this pattern.
685         (cmpdi): Change to define_insn.
686         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
687         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
688         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
689         predicate.
690         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
691         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
692         (conditional_trap): Change to...
693         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
694         (*conditional_trap): Use the ordered_comparison_operator and
695         const1_operand predicates.
696         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
697         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
698         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
699         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
700
701         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
702         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
703         (mcore_gen_compare): New. 
704         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
705         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
706         (mcore_gen_compare): ... this.
707         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
708         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
709         (stack probe pattern): Use cbranchsi4.
710
711         * config/mips/predicates.md (mips_cstore_operator): New.
712         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
713         * config/mips/mips.md (any_cond): Delete.
714         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
715         always succeed.
716         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
717         fixuns_truncsfdi2): Use cbranch patterns.
718         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
719         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
720         Adjust call to mips_expand_conditional_branch.
721         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
722         cstore<GPR:mode>4.
723         * config/mips/mips-protos.h (mips_expand_conditional_branch,
724         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
725         * config/mips/mips.c (cmp_operands): Delete.
726         (mips_emit_compare): Get comparison operands from *op0/*op1.
727         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
728         that it succeeds.  Use op0/op1 instead of cmp_operands.
729         (mips_expand_conditional_branch, mips_expand_conditional_move,
730         mips_expand_conditional_trap): Likewise.
731         (mips_block_move_loop): Use cbranch patterns. 
732         * config/mips/mips.h (cmp_operands): Delete.
733
734         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
735         (mmix_gen_compare_reg): Just return a register in the right CC mode.
736         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
737         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
738         (*cmpcc_folded): Rename to...
739         (*cmpdi_folded): this.
740         (*cmpcc): Rename to...
741         (*cmps): ... this.
742         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
743         (bCC): Remove.
744         (cbranchdi4): New.
745         (cbranchdf4): New.  Handle invalid comparisons here.
746         * config/mmix/predicates.md (float_comparison_operator): New.
747
748         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
749         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
750         * config/mn10300/mn10300.md (tst): Delete.
751         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
752         Name these patterns and wrap RHS in a compare.
753         (*cmpsi): Make this pattern private.  Include tst.
754         (*cmpsf): Make this pattern private.
755         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
756         (compare with zero peepholes): Likewise.
757         (bCC): Remove.
758         (cbranchsi4, cbranchsf4): New.
759         (casesi): Use cbranchsi4.
760
761         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
762         hppa_branch_type): Delete.
763         (return_addr_rtx): Use cbranchsi4.
764         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
765         Emit CCFPmode comparison here.
766         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
767         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
768         hppa_branch_type): Delete.
769         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
770         (movsicc, movdicc): Remove references to hppa_compare_op0,
771         hppa_compare_op1 and compare_from_rtx.
772         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
773         (casesi): Use cbranchsi4.
774
775         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
776         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
777         * config/pdp11/pdp11.md (register_or_const0_operand): New.
778         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
779         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
780         (bCC): Delete.
781         (cbranchdf4, cbranchhi4, cbranchqi4): New.
782         (*branch, *branch_inverted): New.
783
784         * config/picochip/picochip.md (cbranchhi4): Use
785         ordered_comparison_operator.
786         (cmphi, bCC): Remove.
787
788         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
789         (trap_comparison_operator): Delete.
790         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
791         rs6000_emit_cbranch): Accept mode and operands.
792         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
793         rs6000_compare_fp_p): Delete.   
794         (rs6000_generate_compare): Accept mode and comparison.  Extract code
795         and op0/op1 from there.  Replace references to rs6000_compare_op0
796         and rs6000_compare_op1.
797         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
798         extract result from passed operands.
799         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
800         extract loc from passed operands.
801         (rs6000_emit_cmove): Likewise.
802         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
803         rs6000_compare_fp_p): Delete.
804         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
805         (cbranch<GPR>4, cbranch<FP>4): New.
806         (cstore<mode>4): New.  Consolidate here all choices about when to use
807         portable or specialized sCC sequences.
808         (stack_protect_test): Use cbranchsi4.
809         (conditional_trap): Replace with ctrap<GPR>4.
810         (conditional trap insn): Replace trap_comparison_operator with
811         ordered_comparison_operator. 
812
813         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
814         (s390_emit_prologue): Use ctrap.
815         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
816         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
817         New predicates replacing...
818         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
819         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
820         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
821         (add<mode>cc): Do not use s390_compare_op0/op1.
822         (s<code>): Change to...
823         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
824         (seq): Change to...
825         (cstorecc4): ... this.  Handle EQ or NE equally.
826         (*sne): Un-privatize for use in cstorecc4.
827         (b<code>): Change to...
828         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
829         (conditional_trap): Replace with...
830         (ctrap<GPR>4, ctrap<FP>4): ... these.
831         (stack_protect): Use cbranchcc4.
832
833         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
834         * config/score/score-protos.h (score_gen_cmp): Delete.
835         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
836         (score_block_move-loop): Use cbranchsi4.
837         * config/score/score.md (cbranchsi4): New.
838         (cmpsi, bCC): Delete.
839         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
840         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
841         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
842         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
843         * config/score/score3.h (score3_gen_cmp): Delete.
844         * config/score/score7.h (score7_gen_cmp): Delete.
845
846         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
847         (sh_emit_scc_to_t): ... this.  Return void.
848         (from_compare): Rename to...
849         (sh_emit_compare_and_branch): ... this.
850         (sh_emit_compare_and_set): New.
851         (sh_expand_t_scc): Accept operands.
852         * config/sh/predicates.md (sh_float_comparison_operator): New.
853         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
854         (prepare_scc_operands): Rename to...
855         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
856         arguments.
857         (sh_emit_cheap_store_flag): New.
858         (sh_emit_set_t_insn): New.
859         (from_compare): Rename to...
860         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
861         handling of TARGET_SH2E floating point to avoid recursive call.
862         Generate branch here.
863         (sh_emit_compare_and_set): New.
864         (sh_expand_t_scc): Get op0/op1 from arguments.
865         (sh_emit_cheap_store_flag): New.
866         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
867         cases.
868         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
869         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
870         (movsicc, movdicc): Do nothing when it recreated operands from
871         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
872         prepare_scc_operands (now sh_emit_scc_to_t).
873         (udivdi3): Use cstoresi4.
874         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
875         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
876         (cbranchint4_media, cbranchfp4_media): New.
877         (casesi): Use cbranchdi4.
878         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
879         Delete.
880         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
881         (movnegt): Remove second operand.
882         (cbranchsf4, cbranchdf4): New.
883         (stack_protect): Use cbranchdi4/cbranchsi4.
884
885         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
886         (gen_compare_reg): Accept comparison, extract part of it to...
887         (gen_compare_reg_1): ... this. 
888         (gen_compare_operator): Delete.
889         (gen_v9_scc): Accept separate destination, comparison code and arms.
890         Do not use sparc_compare_op0/sparc_compare_op1.
891         (emit_scc_insn, emit_conditional_branch_insn): New.
892         (emit_v9_brxx): Make static.  Remove useless assertion.
893         (sparc_emit_float_lib_cmp): Return RTL instead of calling
894         emit_cmp_insn.
895         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
896         * config/sparc/sparc-protos.h (gen_compare_reg,
897         sparc_emit_float_lib_cmp): Adjust prototype.
898         (emit_scc_insn, emit_conditional_branch_insn): New.
899         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
900         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
901         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
902         iterators to the top.
903         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
904         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
905         snedi_special_trunc): Delete.
906         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
907         and snedi_special_trunc.
908         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
909         cbranchdi4, cbranch<F:mode>4): New.
910         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
911         here.  Use gen_compare_reg instead of gen_compare_operator.
912         (conditional_trap): Replace with...
913         (ctrapsi4, ctrapdi4): ... this.
914         (stack_protect_test): Use cbranchcc4.
915
916         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
917         argument to rtx.
918         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
919         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
920         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
921         from operands[0] or operands[3] depending on is_set.
922         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
923         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
924         cmpdf, bCC), sCC: Remove.
925         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
926         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
927         cstoredf4): New.
928         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
929         spu_emit_branch_or_set.
930
931         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
932         Add two arguments.
933         * config/stormy16/stormy16.h (xstormy16_compare_op0,
934         xstormy16_compare_op1): Delete.
935         * config/stormy16/stormy16.c (xstormy16_compare_op0,
936         xstormy16_compare_op1): Delete. 
937         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
938         Adjust calls.
939         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
940         (cmphi, cmpsi, bCC): Remove.
941
942         * config/v850/v850.md (tstsi, cmpsi): Fold into...
943         (*cmpsi): ... this one.
944         (cbranchsi4, cstoresi4): New.
945         (bCC expanders): Delete.
946         (sCC insns): Fold into...
947         (*setcc): ... this one.
948         (casesi): Do not use gen_cmpsi and gen_bgtu. 
949         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
950         (movsicc): Simplify.
951         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
952
953         * config/vax/vax-protos.h (cond_name): New.
954         (vax_output_conditional_branch): Remove.
955         * config/vax/vax.c (cond_name): New.
956         (vax_output_conditional_branch): Remove.
957         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
958         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
959         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
960         (bit<VAXint>): Wrap source with (compare).
961         (b<code> and following unnamed pattern): Rename to *branch and
962         *branch_reversed.  Change macroization to match_operator.
963         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
964
965         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
966         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
967         Change last argument to machine_mode.
968         (xtensa_expand_scc): Add machine_mode argument.
969         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
970         (gen_conditional_move, xtensa_expand_conditional_branch,
971         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
972         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
973         Adjust operand numbers.
974         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
975         Delete.
976         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
977         (cmpsi, cmpsf, b<code>, s<code>): Delete.
978         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
979
980 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
981
982         * optabs.c (prepare_cmp_insn): Temporarily disable test that
983         causes spurious differences between trunk and cond-optab branch.
984
985 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
986
987         PR target/37137
988         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
989
990 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
991
992         * tree.c (iterative_hash_pointer): Delete.
993         (iterative_hash_expr): Short-circuit handling of NULL pointer.
994         Hash UIDs and versions of SSA names.  Don't special-case built-in
995         function declarations.
996
997 2009-05-11  Ian Lance Taylor  <iant@google.com>
998
999         PR bootstrap/40103
1000         * graphite.c: Force -Wc++-compat to only be a warning before
1001         #including "cloog/cloog.h".
1002
1003 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1004
1005         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1006         
1007 2009-05-11  Jan Hubicka  <jh@suse.cz>
1008
1009         * tree-ssa-loop-ivcanon.c: Include target.h
1010         (struct loop_size): new structure.
1011         (constant_after_peeling): New predicate.
1012         (tree_estimate_loop_size): New function.
1013         (estimated_unrolled_size): Rewrite for new estimates.
1014         (try_unroll_loop_completely): Use new estimates.
1015         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1016
1017 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1018
1019         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1020         libcpp interface change.
1021         (spu_macro_to_expand): Likewise.
1022
1023 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1024
1025         PR tree-optimization/40026
1026         * gimplify.c (gimplify_init_constructor): Change initial conditional
1027         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1028         optimize_compound_literals_in_ctor.
1029
1030 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1031
1032         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1033         New devices.
1034         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1035
1036 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1037
1038         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1039         HOST_WIDE_INT for gap.
1040
1041 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1042
1043         PR tree-optimization/40074
1044         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1045         account in group size and step comparison.
1046
1047 2009-05-11  Richard Guenther  <rguenther@suse.de>
1048
1049         * passes.c (init_optimization_passes): Strip now incorrect comment.
1050         (execute_function_todo): Do not set PROP_alias.
1051         * tree-pass.h (PROP_alias): Remove.
1052         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1053         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1054         * tree-nrv.c (pass_return_slot): Likewise.
1055         * tree-object-size.c (pass_object_sizes): Likewise.
1056         * tree-ssa-dom.c (pass_dominator): Likewise.
1057         (pass_phi_only_cprop): Likewise.
1058         * tree-ssa-dse.c (pass_dse): Likewise.
1059         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1060         (pass_cselim): Likewise.
1061         * tree-ssa-pre.c (pass_pre): Likewise.
1062         (pass_fre): Likewise.
1063         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1064         * tree-ssa-sink.c (pass_sink_code): Likewise.
1065         * tree-stdarg.c (pass_stdarg): Likewise.
1066         * tree-tailcall.c (pass_tail_calls): Likewise.
1067         * tree-vrp.c (pass_vrp): Likewise.
1068
1069 2009-05-10  Ian Lance Taylor  <iant@google.com>
1070
1071         * basic-block.h (enum profile_status): Break out of struct
1072         control_flow_graph.
1073         * cgraph.h (struct inline_summary): Break out of struct
1074         cgraph_local_info.
1075         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1076         of struct cgraph_order_sort.
1077         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1078         * cse.c (struct branch_path): Break out of struct
1079         cse_basic_block_data.
1080         * except.h (enum eh_region_type): Break out of struct eh_region.
1081         * gcc.c (enum add_del): Break out of struct modify_target.
1082         * genrecog.c (enum decision_type): Break out of struct decision_test.
1083         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1084         ggc_pch_data.
1085         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1086         * regmove.c (enum match_use): New enum, broken out of struct match.
1087         * sched-int.h (enum post_call_group): New enum, broken out of
1088         struct deps.
1089         (struct deps_reg): Break out of struct deps.
1090         * target.h (struct asm_int_op): Break out of struct gcc_target.
1091         * tree-eh.c (struct goto_queue_node): Break out of struct
1092         leh_tf_state.
1093         * tree-inline.h (enum copy_body_cge_which): Break out of
1094         copy_body_data.
1095         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1096
1097         * c-decl.c (in_struct, struct_types): New static variables.
1098         (pushtag): Add loc parameter.  Change all callers.
1099         (lookup_tag): Add ploc parameter.  Change all callers.
1100         (check_compound_literal_type): New function.
1101         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1102         -Wc++-compat, warn about struct/union/enum types defined within a
1103         struct or union.
1104         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1105         and loc parameters.  Change all callers.  Change error calls to
1106         error_at, using loc.  For a redefinition, if the location of the
1107         original definition is known, report it.  Set in_struct and
1108         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1109         (finish_struct): Add new parameters enclosing_in_struct and
1110         enclosing_struct_types.  Change all callers.  Set
1111         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1112         in the struct.  If in a struct, add this struct to struct_types.
1113         (start_enum): Add loc parameter.  Change all callers.  Use
1114         error_at for errors, using loc.  For a redefinition, if the
1115         location of the original definition is known, report it.  If in a
1116         struct, add this enum type to struct_types.  If -Wc++-compat warn
1117         if in sizeof, typeof, or alignof.
1118         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1119         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1120         (c_parser_enum_specifier): Get enum location for start_enum.
1121         (c_parser_struct_or_union_specifier): Get struct location for
1122         start_struct.  Save in_struct and struct_types status between
1123         start_struct and finish_struct.
1124         (c_parser_cast_expression): Get location of cast.
1125         (c_parser_alignof_expression): Get location of type.
1126         (c_parser_postfix_expression): Likewise.
1127         (c_parser_postfix_expression_after_paren_type): Add type_loc
1128         parameter.  Change all callers.  Call check_compound_literal_type.
1129         Use type_loc for error about variable size type.
1130         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1131         of an enum constant from an enum type defined in a struct or union.
1132         (c_cast_expr): Add loc parameter.  Change all callers.  If
1133         -Wc++-compat, warn about defining a type in a cast.
1134         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1135         (start_enum, start_struct, finish_struct): Update declarations.
1136         (parser_xref_tag, c_cast_expr): Update declarations.
1137         (check_compound_literal_type): Declare.
1138
1139 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1140
1141         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1142         for recent libcpp interface change.
1143         (rs6000_macro_to_expand): Likewise.
1144
1145 2009-05-10  Michael Matz  <matz@suse.de>
1146
1147         PR target/40031
1148         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1149         not at entry of function.
1150
1151 2009-05-10  Richard Guenther  <rguenther@suse.de>
1152
1153         PR tree-optimization/40081
1154         Revert
1155         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1156         using the main variant of the element type.  Do not fiddle with
1157         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1158
1159         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1160         structs with volatile fields.
1161
1162 2009-05-10  Jan Hubicka  <jh@suse.cz>
1163
1164         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1165         (estimate_move_cost): Assert that it does not get called for
1166         VOID_TYPE_P.
1167         (estimate_num_insns): Skip VOID types in argument handling.
1168         (optimize_inline_calls): Delete unreachable blocks and verify that
1169         callgraph is valid.
1170
1171 2009-05-10  Jan Hubicka  <jh@suse.cz>
1172
1173         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1174         * cgraph.c (cgraph_mark_address_taken_node): New function.
1175         (dump_cgraph_node): Dump new flag.
1176         * cgraph.h (struct cgraph_node): Add address_taken.
1177         (cgraph_mark_address_taken_node): New function.
1178         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1179         since new direct calls can be born.
1180
1181 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1182
1183         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1184         tok->val.node.node.
1185
1186 2009-05-10  Jan Hubicka  <jh@suse.cz>
1187
1188         PR middle-end/40084
1189         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1190         argument; rewrite.
1191         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1192         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1193         * tree-inline.c (copy_bb): Set frequency correctly.
1194         (fold_marked_statements): Update call to
1195         cgraph_update_edges_for_call_stmt.
1196
1197 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1198
1199         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1200         identifiers in diagnostics.
1201         * config/arm/arm.c (arm_handle_fndecl_attribute,
1202         arm_handle_isr_attribute): Likewise.
1203         * config/avr/avr.c (avr_handle_progmem_attribute,
1204         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1205         Likewise.
1206         * config/bfin/bfin.c (handle_int_attribute,
1207         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1208         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1209         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1210         Likewise.
1211         * config/darwin.c (darwin_handle_kext_attribute,
1212         darwin_handle_weak_import_attribute): Likewise.
1213         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1214         h8300_handle_eightbit_data_attribute,
1215         h8300_handle_tiny_data_attribute): Likewise.
1216         * config/i386/i386.c (ix86_handle_cconv_attribute,
1217         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1218         Likewise.
1219         * config/i386/winnt.c (ix86_handle_shared_attribute,
1220         ix86_handle_selectany_attribute): Likewise.
1221         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1222         * config/m32c/m32c.c (function_vector_handler): Likewise.
1223         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1224         m68hc11_handle_fntype_attribute): Likewise.
1225         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1226         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1227         * config/mips/mips.c (mips_insert_attributes,
1228         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1229         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1230         rs6000_handle_struct_attribute): Likewise.
1231         * config/sh/sh.c (sh_insert_attributes,
1232         sh_handle_resbank_handler_attribute,
1233         sh_handle_interrupt_handler_attribute,
1234         sh2a_handle_function_vector_handler_attribute,
1235         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1236         Likewise.
1237         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1238         * config/spu/spu.c (spu_handle_fndecl_attribute,
1239         spu_handle_vector_attribute): Likewise.
1240         * config/stormy16/stormy16.c
1241         (xstormy16_handle_interrupt_attribute): Likewise.
1242         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1243         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1244
1245 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1246
1247         * pretty-print.h (struct pretty_print_info): Add
1248         translate_identifiers.
1249         (pp_translate_identifiers): New.
1250         (pp_identifier): Only conditionally translate identifier to locale
1251         character set.
1252         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1253         (pp_base_tree_identifier): Only conditionally translate identifier
1254         to locale character set.
1255         * c-pretty-print.c (M_): Define.
1256         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1257         fragments for conditional translation with M_.
1258         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1259         identifier translation.
1260
1261 2009-05-10  Richard Guenther  <rguenther@suse.de>
1262
1263         PR tree-optimization/40081
1264         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1265         using the main variant of the element type.  Do not fiddle with
1266         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1267
1268 2009-05-09  Jan Hubicka  <jh@suse.cz>
1269
1270         PR middle-end/40080
1271         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1272         indirect calls; verify cgraph afterwards.
1273
1274 2009-05-09  Jan Hubicka  <jh@suse.cz>
1275
1276         PR bootstrap/40082
1277         * ipa.c (update_inlined_to_pointer): New function.
1278         (cgraph_remove_unreachable_nodes): Use it.
1279
1280 2009-05-09  Jan Hubicka  <jh@suse.cz>
1281
1282         * tree-eh.c (struct leh_state): Remove prev_try.
1283         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1284         not track prev_try.
1285         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1286         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1287         remove_eh_handler_and_replace, foreach_reachable_handler,
1288         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1289         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1290         (gen_eh_region_cleanup): Update prototype.
1291
1292 2009-05-09  Jan Hubicka  <jh@suse.cz>
1293
1294         PR middle-end/40043
1295         * except.c (copy_eh_region): Always set prev_try.
1296         (redirect_eh_edge_to_label): Find outer try.
1297         (foreach_reachable_handler): When looking for prev try
1298         handle case where previous try is not going to be taken.
1299
1300 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1301
1302         PR tree-optimization/40049
1303         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1304         only vector/vector shifts, convert the type of the constant to the
1305         appropriate type to avoid building incorrect trees, which
1306         eventually have problems with garbage collection.
1307
1308 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1309
1310         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1311         -1 for complex floating-point types if honoring signed zeros.
1312
1313 2009-05-08  Jan Hubicka  <jh@suse.cz>
1314
1315         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1316         argument; handle correctly when profile is absent.
1317         (build_cgraph_edges): Update.
1318         (rebuild_cgraph_edges): Update.
1319         * cgraph.c: Do not include varray.h.
1320         (cgraph_set_call_stmt_including_clones): New function.
1321         (cgraph_create_edge_including_clones): Likewise
1322         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1323         (cgraph_update_edges_for_call_stmt): Handle clones.
1324         (cgraph_remove_node): Handle clone tree.
1325         (cgraph_remove_node_and_inline_clones): New function.
1326         (dump_cgraph_node): Dump clone tree.
1327         (cgraph_clone_node): Handle clone tree.
1328         (clone_function_name): Bring here from tree-inline.c.
1329         (cgraph_create_virtual_clone): New function.
1330         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1331         (cgraph_clone_info): New function.
1332         (strut cgraph_node): Add clone_info and new clone tree pointers.
1333         (cgraph_remove_node_and_inline_clones,
1334         cgraph_set_call_stmt_including_clones,
1335         cgraph_create_edge_including_clones,
1336         cgraph_create_virtual_clone): Declare.
1337         (cgraph_function_versioning): Use VEC argument.
1338         (compute_call_stmt_bb_frequency): Update prototype.
1339         (cgraph_materialize_all_clones): New function.
1340         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1341         (ipcp_create_replace_map): Update to VECtors.
1342         (ipcp_update_callgraph): Use virtual clones.
1343         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1344         (ipcp_update_profiling): Do not update local profiling.
1345         (ipcp_insert_stage): Use VECtors and virtual clones.
1346         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1347         (clone_of_p): New function.
1348         (cgraph_preserve_function_body_p): Use clone tree.
1349         (cgraph_optimize): Materialize clones.
1350         (cgraph_function_versioning): Update for VECtors.
1351         (save_inline_function_body): Use clone tree.
1352         (cgraph_materialize_clone): New function.
1353         (cgraph_materialize_all_clones): Likewise.
1354         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1355         * ipa.c: Include gimple.h.
1356         (cgraph_remove_unreachable_nodes): Use clone tree.
1357         * ipa-prop.c (ipa_note_param_call): Update call to
1358         compute_call_stmt_bb_frequencycall.
1359         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1360         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1361         (copy_bb): Handle updating of clone tree; add new edge when new call
1362         appears.
1363         (expand_call_inline): Be strict about every call having edge.
1364         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1365         (delete_unreachable_blocks_update_callgraph): New function.
1366         (tree_function_versioning): Use VECtors; always remove unreachable
1367         blocks and fold conditionals.
1368         * tree-inline.h: Do not include varray.h.
1369         (tree_function_versioning): Remove.
1370         * Makefile.in (GTFILES): Remove tree-inline.c
1371         * passes.c (do_per_function): Do only functions having body.
1372         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1373         tree.
1374
1375 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1376             Andrew Morrow  <acm@google.com>
1377
1378         PR c/36892
1379         * c-common.c (c_common_attribute_table): Permit deprecated
1380         attribute to take an optional argument.
1381         (handle_deprecated_attribute): If the optional argument to
1382         __attribute__((deprecated)) is not a string ignore the attribute
1383         and emit a warning.
1384
1385         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1386         * c-typeck.c (build_component_ref): Likewise.
1387         (build_external_ref): Likewise.
1388
1389         * toplev.c (warn_deprecated_use): Add an attribute argument.
1390         Emit the message associated with __attribute__((deprecated)).
1391
1392         * toplev.h (warn_deprecated_use): Updated.
1393
1394         * doc/extend.texi: Document new optional parameter to
1395         __attribute__((deprecated))
1396
1397 2009-05-08  Michael Eager <eager@eagercon.com>
1398
1399         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1400         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1401
1402 2009-05-08  Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/40062
1405         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1406         Avoid exponential behavior.
1407
1408 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1409
1410         PR rtl-optimization/33928
1411         PR 26854
1412         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1413         process_uses, build_single_def_use_links): New.
1414         (update_df): Update use_def_ref.
1415         (forward_propagate_into): Use get_def_for_use instead of use-def
1416         chains.
1417         (fwprop_init): Call build_single_def_use_links and let it initialize
1418         dataflow.
1419         (fwprop_done): Free use_def_ref.
1420         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1421         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1422         df_rd_simulate_one_insn): New.
1423         (df_rd_bb_local_compute_process_def): Update head comment.
1424         (df_chain_create_bb): Use the new RD simulation functions.
1425         * df.h (df_rd_simulate_artificial_defs_at_top, 
1426         df_rd_simulate_one_insn): New.
1427         * opts.c (decode_options): Enable fwprop at -O1.
1428         * doc/invoke.texi (-fforward-propagate): Document this.
1429
1430 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1431
1432         PR c/24581
1433         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1434         and one complex operand specially.
1435         * tree-complex.c (some_nonzerop): Do not identify a real value as
1436         zero if flag_signed_zeros.
1437
1438 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         PR rtl-optimization/33928
1441         * loop-invariant.c (record_use): Fix && vs. || mishap.
1442
1443 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1444
1445         PR rtl-optimization/33928
1446         * loop-invariant.c (struct use): Add addr_use_p.
1447         (struct def): Add n_addr_uses.
1448         (struct invariant): Add cheap_address.
1449         (create_new_invariant): Set cheap_address.
1450         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1451         (record_uses): Pass df_ref to record_use.
1452         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1453         used only as such.
1454
1455 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1456
1457         * config/sh/sh.c: Do not include c-pragma.h.
1458
1459 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1460
1461         * config/spu/spu.c: Remove include of c-common.h.
1462
1463 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1464
1465         PR c/39037
1466         * c-common.h (mark_valid_location_for_stdc_pragma,
1467         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1468         clear_float_const_decimal64, float_const_decimal64_p): New.
1469         * c.opt (Wunsuffixed-float-constants): New.
1470         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1471         unsuffixed float constant, handle new warning.
1472         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1473         * c-decl.c (c_scope): New flag float_const_decimal64.
1474         (set_float_const_decimal64, clear_float_const_decimal64,
1475         float_const_decimal64_p): New.
1476         (push_scope): Set new flag.
1477         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1478         to use STDC pragmas.
1479         (c_parser_external_declaration): Ditto.
1480         (c_parser_compound_statement_nostart): Ditto.
1481         * c-pragma.c (valid_location_for_stdc_pragma,
1482         mark_valid_location_for_stdc_pragma,
1483         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1484         handle_pragma_float_const_decimal64): New.
1485         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1486         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1487         set_float_const_decimal64, clear_float_const_decimal64,
1488         float_const_decimal64_p): New dummy functions.
1489         * doc/extend.texi (Decimal Float): Remove statement that the
1490         pragma, and suffix for double constants, are not supported.
1491         * doc/invoke.texi (Warning Options): List new option.
1492         (-Wunsuffixed-float-constants): New.
1493
1494 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1495
1496         * config/i386/i386.c: Do not include c-common.h.
1497
1498 2009-05-07  Mark Heffernan  <meheff@google.com>
1499
1500         * doc/invoke.texi (Debugging Options): Document change of debugging
1501         dump location.
1502         * opts.c (decode_options): Make dump_base_name relative to
1503         aux_base_name directory.
1504
1505 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1506
1507         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1508         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1509
1510 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1511
1512         * Makefile.in (install-plugin): Simplify a bit.
1513
1514 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1515
1516         * Makefile.in (OBJS-common): Add regcprop.o.
1517         (regcprop.o): New.
1518         * timevar.def (TV_CPROP_REGISTERS): New.
1519         * regrename.c (regrename_optimize): Return 0.
1520         (rest_of_handle_regrename): Delete.
1521         (pass_rename_registers): Point to regrename_optimize.
1522         (struct value_data_entry, struct value_data, 
1523         kill_value_one_regno, kill_value_regno, kill_value,
1524         set_value_regno, init_value_data, kill_clobbered_value,
1525         kill_set_value, kill_autoinc_value, copy_value,
1526         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1527         replace_oldest_value_reg, replace_oldest_value_addr,
1528         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1529         debug_value_data, validate_value_data): Move...
1530         * regcprop.c: ... here.
1531         (rest_of_handle_cprop): Delete.
1532         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1533
1534 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1535
1536         PR middle-end/40057
1537         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1538         GEN_INT for 1 << bitnum.
1539         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1540         build_int_cst_type.
1541
1542 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1545         Remove wrong description of "nand" operation.
1546
1547 2009-05-06  Richard Guenther  <rguenther@suse.de>
1548             Adam Nemet  <anemet@caviumnetworks.com>
1549
1550         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1551         comment.  Add that if LHS is not a gimple register, then RHS1 has
1552         to be a single object (GIMPLE_SINGLE_RHS).
1553
1554 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1555
1556         * expr.c (get_def_for_expr): Move it up in the file.
1557         (store_field): When expanding a bit-field store, look at the
1558         defining gimple stmt for the masking conversion.
1559
1560 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1561
1562         PR middle-end/39986
1563         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1564         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1565         32-bit memcpy into long.
1566
1567 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1568
1569         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1570         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1571         new_reg_loc_descr.
1572         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1573         instead of appending DW_OP_deref*.
1574
1575 2009-05-06  Michael Matz  <matz@suse.de>
1576
1577         PR middle-end/40021
1578         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1579         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1580
1581 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1582
1583         * Makefile.in (install-plugin): Fix srcdir handling.
1584
1585 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1586
1587         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1588         when processing for not_regs_needed bitmap.
1589         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1590         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1591         handling it for rhs. 
1592
1593 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1594
1595         * config/i386/i386.md (unnamed inc/dec peephole): Use
1596         optimize_insn_for_size_p instead of optimize_size.
1597         * config/i386/predicates.md (incdec_operand): Likewise.
1598         (aligned_operand): Likewise.
1599         * config/i386/sse.md (divv8sf3): Likewise.
1600         (sqrtv8sf2): Likewise.
1601
1602 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1605
1606         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1607
1608 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1609
1610         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1611         ssemodesuffixf2c with avxmodesuffixf2c.
1612
1613 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1614
1615         PR c/40032
1616         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1617
1618 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1619
1620         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1621         (struct tree_base): Adjust spacing for 8 bit boundaries.
1622         (struct tree_decl_common): Add decl_by_reference_flag bit.
1623         (DECL_BY_REFERENCE): Adjust.
1624         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1625         print DECL_BY_REFERENCE bit.
1626         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1627         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1628         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1629         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1630         unconditionally.
1631
1632         PR middle-end/39666
1633         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1634         range of the type, but default label is missing, add it with one
1635         of the existing labels instead of adding a new label for it.
1636
1637 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1638
1639         * dwarf.h: Remove.
1640
1641 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1642
1643         * Makefile.in (enable_plugin, plugin_includedir): New.
1644         (install): Depend on install-plugin.
1645         (PLUGIN_HEADERS): New.
1646         (install-plugin): New.
1647         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1648
1649 2009-05-05  Richard Guenther  <rguenther@suse.de>
1650
1651         PR tree-optimization/40022
1652         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1653         the only vuse.
1654         (phivn_valid_p): Fix tuplification error, simplify.
1655         (phiprop_insert_phi): Add dumps.
1656         (propagate_with_phi): Simplify.
1657
1658 2009-05-05  Richard Guenther  <rguenther@suse.de>
1659
1660         PR middle-end/40023
1661         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1662
1663 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1664
1665         * tree.h (strip_float_extensions): Remove duplicate declaration.
1666         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1667         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1668         block_ultimate_origin): Rearrange the declarations line to match the
1669         comment that indicates the .c file which the functions are defined.
1670         (dwarf2out_*, set_decl_rtl): Add comment.
1671         (get_base_address): Adjust comment.
1672         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1673         declarations line and add comment.
1674         (is_builtin_name): Add blank after function name, for clarity.
1675
1676 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1677
1678         * attribs.c (decl_attributes): Use %qE for identifiers in
1679         diagnostics.
1680         * cgraphunit.c (verify_cgraph_node): Translate function names to
1681         locale character set in diagnostics.
1682         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1683         diagnostics.
1684         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1685         Document that functions are named in UTF-8.
1686         * expr.c (expand_expr_real_1): Translate function names to locale
1687         character set in diagnostics.
1688         * gimplify.c (omp_notice_variable, omp_is_private,
1689         gimplify_scan_omp_clauses): Use %qE for identifiers in
1690         diagnostics.
1691         * langhooks.c (lhd_print_error_function): Translate function names
1692         to locale character set.
1693         * langhooks.h (decl_printable_name): Document that return value is
1694         in internal character set.
1695         * stmt.c: Include pretty-print.h
1696         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1697         diagnostics.
1698         (resolve_operand_name_1): Translate named operand name to locale
1699         character set.
1700         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1701         diagnostics.
1702         * toplev.c (announce_function): Translate function names to locale
1703         character set.
1704         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1705         (default_tree_printer): Use pp_identifier or translate identifiers
1706         to locale character set.  Mark "<anonymous>" for translation.
1707         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1708         for identifiers in diagnostics.
1709         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1710         diagnostics.
1711         * varasm.c (output_constructor): Use %qE for identifiers in
1712         diagnostics.
1713
1714 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1715
1716         * configure.ac: use ` ` instead of $()
1717         * configure: Regenerate.
1718
1719 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1720
1721         * config/pa/linux-atomic.c: Eliminate conditional include of
1722         errno.h on non-LP64 systems to simplify build requirements.
1723
1724 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1725
1726         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1727         diagnostics.
1728         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1729         and pass value to identifier_to_locale.
1730         (warn_variable_length_array): Make name a tree.
1731         (grokdeclarator): Separate diagnostic texts for named and unnamed
1732         declarators.  Use %qE for named declarators.
1733         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1734         diagnostics.
1735         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1736         identifiers in diagnostics.
1737         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1738         identifier_to_locale.  Mark "anonymous" strings for translation.
1739
1740 2009-05-04  Michael Eager <eager@eagercon.com>
1741
1742         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1743         address for DImode/DFmode only if double-precision FP regs.
1744
1745 2009-05-04  Michael Eager <eager@eagercon.com>
1746
1747         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1748         TARGET_SINGLE_FLOAT check.
1749
1750 2009-05-04  Michael Eager <eager@eagercon.com>
1751
1752         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1753
1754 2009-05-04  Michael Eager <eager@eagercon.com>
1755
1756         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1757         * config/rs6000/t-xilinx: New
1758
1759 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1760
1761         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1762         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1763         * gcc/explow.c (memory_address): Use target hook.
1764         * gcc/targhooks.c (default_legitimize_address): New.
1765         * gcc/targhooks.h (default_legitimize_address): New.
1766         * gcc/target.h (legitimize_address): New.
1767         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1768         (TARGET_INITIALIZER): Include it.
1769         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1770
1771         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1772         * config/bfin/bfin.c (legitimize_address): Remove.
1773         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1774         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1775         Remove.
1776         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1777         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1778
1779         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1780         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1781         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1782         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1783         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1784         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1785         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1786         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1787         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1788         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1789         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1790         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1791         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1792         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1793         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1794         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1795         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1796         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1797         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1798         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1799         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1800         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1801         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1802
1803         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1804         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1805         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1806         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1807         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1808         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1809         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1810         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1811         (thumb_legitimize_address): Delete.
1812         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1813         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1814         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1815         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1816         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1817         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1818         Delete.
1819         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1820         Delete.
1821
1822         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1823         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1824         * config/m32r/m32r.c (m32r_legitimize_address): New.
1825         * config/m68k/m68k.c (m68k_legitimize_address): New.
1826         * config/score/score.c (score_legitimize_address): Standardize.
1827         * config/score/score3.c (score3_legitimize_address): Standardize.
1828         * config/score/score3.h (score3_legitimize_address): Adjust.
1829         * config/score/score7.c (score7_legitimize_address): Standardize.
1830         * config/score/score7.h (score7_legitimize_address): Adjust.
1831         * config/sh/sh.c (sh_legitimize_address): New.
1832         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1833
1834         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1835         (s390_legitimize_address): ... this.
1836         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1837         (sparc_legitimize_address): ... this.
1838         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1839         (ix86_legitimize_address): ... this.
1840         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1841         (avr_legitimize_address): ... this.
1842         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1843         (mn10300_legitimize_address): ... this.
1844         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1845         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1846         (alpha_expand_mov): Adjust call.
1847
1848         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1849         * config/spu/spu.c (spu_legitimize_address): Likewise.
1850         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1851         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1852
1853 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1854
1855         * intl.c (locale_encoding, locale_utf8): New.
1856         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1857         * intl.h (locale_encoding, locale_utf8): Declare.
1858         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1859         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1860         New.
1861         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1862         argument.
1863         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1864         (pp_base_tree_identifier): Declare as function.
1865         (identifier_to_locale): Declare.
1866         * Makefile.in (pretty-print.o): Update dependencies.
1867         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1868
1869 2009-05-04  Richard Guenther  <rguenther@suse.de>
1870
1871         PR middle-end/40015
1872         * builtins.c (fold_builtin_memory_op): Do not decay to element
1873         type if the size matches the whole array.
1874
1875 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1876
1877         * expmed.c (synth_mult): When trying out a shift, pass the result
1878         of a signed shift.
1879
1880 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1881
1882         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1883         (shiftsub1_cost): New.
1884         (init_expmed): Compute shiftsub1_cost.
1885         (synth_mult): Optimize multiplications by constants of the form
1886         -(2^^m-1) for some constant positive integer m.
1887
1888 2009-05-03  Richard Guenther  <rguenther@suse.de>
1889
1890         PR c/39983
1891         * c-typeck.c (array_to_pointer_conversion): Do not built
1892         ADDR_EXPRs of arrays of pointer-to-element type.
1893         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1894         up wrong ADDR_EXPRs after-the-fact.
1895         * c-common.c (strict_aliasing_warning): Strip pointer
1896         conversions for obtaining the original type.
1897         * builtins.c (fold_builtin_memset): Handle array types.
1898         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1899         and array types
1900
1901 2009-05-03  Richard Guenther  <rguenther@suse.de>
1902
1903         PR middle-end/23329
1904         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1905         Do not lose casts from array types with unknown extent to array
1906         types with known extent.
1907         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1908         alias set compatibility.
1909
1910 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1911
1912         * flags.h (extra_warnings): Delete.
1913         * toplev.c (process_options): Handle Wuninitialized here.
1914         * opts.c (extra_warnings): Delete.
1915         (set_Wextra): Delete.
1916         (common_handle_option): -Wextra can be handled automatically.
1917         * c-opts.c (c_common_handle_option): Delete obsolete code.
1918         (c_common_post_options): Simplify comment.
1919         * common.opt (W): Add Var.
1920         (Wextra): Add Var.
1921         (Wuninitialized): Initialize to -1.
1922
1923 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1924             Richard Guenther  <rguenther@suse.de>
1925
1926         * expr.c (get_def_for_expr): New function.
1927         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1928         SSA rather than trees.
1929         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1930         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1931         
1932 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1933
1934         * c-common.c (reswords): Add _Imaginary.
1935         * c-common.c (enum rid): Add RID_IMAGINARY.
1936
1937 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1938
1939         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1940         Patch by Richard Guenther.
1941
1942 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1943
1944         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1945         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1946         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1947         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1948         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1949         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1950         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1951         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1952         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1953         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1954         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1955         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1956         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1957         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1958         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1959         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1960         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1961         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1962
1963 2009-05-02  Richard Guenther  <rguenther@suse.de>
1964
1965         PR tree-optimization/39940
1966         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1967         doing so.
1968
1969 2009-05-02  Richard Guenther  <rguenther@suse.de>
1970
1971         PR middle-end/40001
1972         * tree-ssa.c (execute_update_addresses_taken): Properly check
1973         if we can mark a variable DECL_GIMPLE_REG_P.
1974         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1975         back to the end of the function.
1976         (is_gimple_reg_type): Remove complex type special casing.
1977         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1978         if not optimizing.
1979
1980 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1981
1982         * doc/collect2.texi (Collect2): Document search path behaviour
1983         when configured with --with-ld.
1984
1985 2009-05-02  Jan Hubicka  <jh@suse.cz>
1986
1987         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1988         parameter; update callers.
1989         (coalesce_cost_edge): EH edges are costier because they needs
1990         splitting even if not critical and even more costier when there are
1991         multiple EH predecestors.
1992
1993 2009-05-02  Jan Hubicka  <jh@suse.cz>
1994
1995         * except.c (remove_eh_handler_and_replace): Handle updating after
1996         removing TRY blocks.
1997
1998 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1999
2000         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2001
2002 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2003
2004         * varasm.c: Do not include c-pragma.h.
2005         * attribs.c: Do not incude c-common.h.
2006
2007 2009-05-01  Michael Matz  <matz@suse.de>
2008
2009         * calls.c (initialize_argument_information): Handle SSA names like
2010         decls with a non MEM_P DECL_RTL.
2011
2012 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2013
2014         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2015         * ipa-utils.c: Likewise.
2016         * ipa-type-escape.c: Likewise.
2017         * cgraphunit.c Do not include c-common.h.
2018         * ipa-pure-const.c: Likewise.
2019         * tree-if-conv.c: Likewise.
2020         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2021         * ipa-struct-reorg.c: Likewise.
2022         * tree-nomudflap.c: Likewise.
2023         * tree-ssa-structalias.c: Likewise.
2024
2025 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2026
2027         * store-motion.c: Many cleanups to make this pass a first-class
2028         citizen instead of an appendix to gcse load motion.  Add TODO list
2029         to make this pass faster/cleaner/better.
2030
2031         (struct ls_expr): Post gcse.c-split cleanups.
2032         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2033         "stores" field to "avail_stores".
2034         (pre_ldst_mems): Rename to store_motion_mems.
2035         (pre_ldst_table): Rename to store_motion_mems_table.
2036         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2037         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2038         (ldst_entry): Rename to st_expr_entry, update users.
2039         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2040         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2041         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2042         update caller.
2043         (first_ls_expr): Rename to first_st_expr, update users.
2044         (next_ls_expr): Rename to next_st_expr, update users.
2045         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2046         fields properly for store motion instead of names inherited from load
2047         motion in gcse.c.
2048         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2049         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2050         are done with it.
2051
2052         (ae_kill): Rename to st_kill, update users.
2053         (ae_gen): Rename to st_avloc, update users.
2054         (transp): Rename to st_transp, update users.
2055         (pre_insert_map): Rename to st_insert_map, update users.
2056         (pre_delete_map): Rename to st_delete_map, update users.
2057         (insert_store, build_store_vectors, free_store_memory,
2058         one_store_motion_pass): Update for abovementioned changes.
2059
2060         (gcse_subst_count, gcse_create_count): Remove.
2061         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2062         and "n_stores_created", local variables.
2063
2064         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2065         use for_each_rtx.
2066
2067         (regvec, compute_store_table_current_insn): Remove.
2068         (reg_set_info, reg_clear_last_set): Remove.
2069         (compute_store_table): Use DF caches instead of local dataflow
2070         solvers.
2071
2072 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2073
2074         * c-objc-common.c (c_tree_printer): Print identifiers with
2075         pp_identifier, not pp_string.  Mark "({anonymous})" for
2076         translation.
2077         * c-pretty-print.c (pp_c_ws_string): New.
2078         (pp_c_cv_qualifier, pp_c_type_specifier,
2079         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2080         pp_c_storage_class_specifier, pp_c_function_specifier,
2081         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2082         pp_c_primary_expression, pp_c_postfix_expression,
2083         pp_c_unary_expression, pp_c_shift_expression,
2084         pp_c_relational_expression, pp_c_equality_expression,
2085         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2086         use pp_string and pp_c_ws_string in place of pp_identifier and
2087         pp_c_identifier for non-identifiers.  Mark English strings for
2088         translation.
2089         * c-pretty-print.h (pp_c_ws_string): Declare.
2090
2091 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2092             Roland McGrath <roland@redhat.com>
2093
2094         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2095         (ENABLE_LD_BUILDID): New configuration option.
2096         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2097         (LINK_BUILDID_SPEC): New macro.
2098         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2099         link_spec.
2100         * doc/install.texi: Document --enable-linker-build-id option.
2101         * configure: Rebuild.
2102         * config.in: Rebuild.
2103
2104 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2105
2106         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2107         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2108         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2109         MIPS_GP_SAVE_AREA_SIZE.
2110         * config/mips/mips.c (struct mips_frame_info): Update comment
2111         before arg_pointer_offset and hard_frame_pointer_offset.
2112         (mips_compute_frame_info): Update diagram before function: to
2113         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2114         indicate the position of frame_pointer_rtx with -fstack-protector and
2115         to show args_size.  Don't allocate cprestore area for leaf functions
2116         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2117         cprestore_size.
2118         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2119
2120 2009-04-30  Michael Matz  <matz@suse.de>
2121
2122         PR tree-optimization/39955
2123         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2124
2125 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2126
2127         * ira.c (setup_cover_and_important_classes):  Use safe macro
2128         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2129         directly.
2130         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2131         REG_CLASS_FOR_CONSTRAINT.
2132
2133 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2134
2135         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2136         instead of an int.
2137         * bitmap.c (bitmap_descriptor): Likewise.
2138         * ggc-common.c (loc_descriptor): Likewise.
2139         * varray.c (varray_descriptor): Likewise.
2140         * vec.c (vec_descriptor): Likewise.
2141
2142 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2143
2144         * Makefile.in (dce.o): Add $(EXCEPT_H).
2145         * dce.c: Include except.h and delete redundant vector definitions.
2146         (deletable_insn_p): Return false for non-call insns that can throw
2147         if DF is running.
2148
2149 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2150
2151         * gcse.c (ae_gen): Remove.
2152         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2153         and make non-static function to make it available in store-motion.c.
2154         Update call sites with search-and-replace.
2155         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2156         extract_mentioned_regs, extract_mentioned_regs_helper,
2157         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2158         store_killed_in_insn, store_killed_after, store_killed_before,
2159         build_store_vectors, insert_insn_start_basic_block, insert-store,
2160         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2161         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2162         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2163         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2164         and clean up to remove parts not used by store motion.
2165         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2166         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2167
2168 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2169
2170         PR target/38571
2171         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2172         when optimizing for size.
2173
2174 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2175
2176         * gcse.c (gcse_constant_p): Fix typo in last change.
2177
2178 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2179
2180         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2181
2182 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2183
2184         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2185
2186 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2187
2188         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2189         CONST_HIGH_PART result.
2190
2191 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2192
2193         * config/avr/avr.c (initial_elimination_offset): Rename to
2194         avr_initial_elimination_offset.
2195         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2196         change return type to bool.
2197         (avr_can_eliminate): New function.
2198         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2199         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2200         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2201         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2202         avr_initial_elimination_offset.
2203         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2204         (avr_initial_elimination_offset): Define.
2205
2206 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2207             Steven Bosscher  <steven@gcc.gnu.org>
2208
2209         PR rtl-optimization/39938
2210         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2211         * cfgrtl.c: Include insn-attr.h.
2212         (rest_of_pass_free_cfg): New function.
2213         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2214         * resource.c (init_resource_info): Remove call to df_analyze.
2215
2216 2009-04-29  Richard Guenther  <rguenther@suse.de>
2217
2218         PR target/39943
2219         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2220         allow conversion to signed integers.
2221
2222 2009-04-29  Richard Guenther  <rguenther@suse.de>
2223
2224         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2225         shifts of floating point vectors if the shift amount is
2226         a constant multiple of the element size.
2227
2228 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2229             Michael Matz  <matz@suse.de>
2230
2231         PR middle-end/39927
2232         PR bootstrap/39929
2233         * tree-outof-ssa.c (emit_partition_copy): New function.
2234         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2235         insert_part_to_rtx_on_edge): Perform the partition base var
2236         copy using emit_partition_copy.
2237         (insert_value_copy_on_edge): Convert constants to the right mode.
2238         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2239         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2240
2241 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2242
2243         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2244         scan backwards to try to find a constant to initialize it.
2245
2246         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2247         insn before the loop_end instruction, don't look past labels.
2248
2249 2009-04-29  Richard Guenther  <rguenther@suse.de>
2250
2251         PR middle-end/39937
2252         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2253         loose type conversions.
2254         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2255         stmts only if there are no uses of its definition.
2256
2257 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2258
2259         * config/bfin/bfin.h (splitting_loops): Declare.
2260         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2261         Reorder bit definitions to be ascending.
2262         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2263         * config/bfin/bfin.c (splitting_loops): New variable.
2264         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2265         (struct loop_info): Remove members INIT and LOOP_INIT.
2266         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2267         the LSETUP sequence.  Allow LC to be loaded from any register, but
2268         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2269         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2270         set to 1.
2271         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2272         of reload_completed.
2273
2274         From Jie Zhang:
2275         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2276
2277 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2278
2279         * Makefile.in (PLUGIN_VERSION_H): New.
2280         (OBJS-common): Remove plugin-version.o.
2281         (plugin.o): Depend on (PLUGIN_VERSION_H).
2282         (plugin-version.o): Remove.
2283         * configure: Regenerate
2284         * configure.ac: Create plugin-version.h.
2285         * gcc-plugin.h (plugin_gcc_version): Remove.
2286         (plugin_default_version_check): Change signature.
2287         * plugin-version.c: Remove.
2288         * plugin.c: Include plugin-version.h.
2289         (str_plugin_gcc_version_name): Remove.
2290         (try_init_one_plugin): Pass gcc version to plugin_init.
2291         (plugin_default_version_check): Both gcc and plugin versions are now
2292         arguments.
2293
2294 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2295         
2296         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2297         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2298         Remove special case testing for last insn of inner loops. Don't fail
2299         if the loop ends with a jump, emit an extra nop instead.
2300
2301         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2302         DREGS rather than comparing directly.  Remove code that tries to
2303         account for latencies.
2304
2305 2009-04-29  Richard Guenther  <rguenther@suse.de>
2306
2307         PR tree-optimization/39941
2308         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2309         eliminating an indirect call.
2310
2311 2009-04-29  Richard Guenther  <rguenther@suse.de>
2312
2313         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2314         parameter.  Allow invariants as base if !require_lvalue.
2315         (verify_gimple_assign_single): Adjust.
2316
2317 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2318
2319         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2320         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2321         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2322         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2323         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2324         a VEC_SELECT.
2325         * config/bfin/bfin.c (bfin_expand_builtin,
2326         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2327
2328 2009-04-28  Richard Guenther  <rguenther@suse.de>
2329
2330         * tree-vect-loop.c (get_initial_def_for_induction): Use
2331         correct types for pointer increment.
2332
2333 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2334
2335         * toplev.c (print_version): Update GMP version string calculation.
2336
2337 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2338
2339         PR rtl-optimization/39938
2340         * resource.c (init_resource_info): Add call to df_analyze.
2341
2342 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2343
2344         * config/alpha/alpha.md (usegp): Cast the result of
2345         alpha_find_lo_sum_using_gp to enum attr_usegp.
2346         * config/alpha/alpha.c (override_options): Remove end-of-structure
2347         marker element from cpu_table.  Use array size of cpu_table to handle
2348         -mcpu and -mtune options.
2349         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2350
2351 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2352
2353         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2354         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2355         tune_32 and tune_64.
2356         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2357         support on PowerPC.
2358         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2359         * config/rs6000/option-defaults.h: ... here.  New file.
2360         (OPT_64, OPT_32): Define.
2361         (MASK_64BIT): Define to 0 if not already defined.
2362         (OPT_ARCH64, OPT_ARCH32): Define.
2363         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2364         and tune_64.
2365
2366 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2367
2368         * config/arm/arm.c (arm_override_options): Emit error on using
2369         fpa with AAPCS.
2370
2371 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2372
2373         PR rtl-optimization/39914
2374         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2375         registers for allocnos created from user-defined variables only
2376         when not optimizing.
2377
2378 2009-04-28  Richard Guenther  <rguenther@suse.de>
2379
2380         PR middle-end/39937
2381         * fold-const.c (fold_binary): Use distribute_real_division only
2382         on float types.
2383
2384 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2385
2386         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2387         add hpux-stdint.h to tm_file.
2388         (hppa[12]*-*-hpux11*): Ditto.
2389         (ia64*-*-hpux*): Ditto.
2390         * config/hpux-stdint.h: New.
2391         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2392         __STDC_EXT__ for all compiles.
2393         * config/pa/pa-hpux.h: Ditto.
2394         * config/pa/pa-hpux10.h: Ditto.
2395         * config/pa/pa-hpux11.h: Ditto.
2396
2397 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2398
2399         * debug.h (set_name): Add comment.
2400
2401 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2402
2403         PR target/39929
2404         * config/darwin.c (machopic_gen_offset): Check
2405         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2406         * config/arm/arm.c (require_pic_register): Likewise.
2407
2408 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2409
2410         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2411         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2412         m32c_promote_prototypes): Delete.
2413
2414 2009-04-28  Michael Matz  <matz@suse.de>
2415
2416         PR middle-end/39922
2417         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2418         constants.
2419
2420 2009-04-28  Richard Guenther  <rguenther@suse.de>
2421
2422         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2423
2424 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2425
2426         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2427         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2428         * config/arm/arm-tune.md: Regenerate.
2429
2430 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2431
2432         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2433         block if there are complex incoming edges.
2434         (sel_merge_blocks): Remove useless assert.
2435         (sel_redirect_edge_and_branch): Check that edge was redirected.
2436         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2437         (sel_find_rgns): Delete declaration.
2438         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2439         the region when it is not a preheader.
2440
2441 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2442
2443         PR c/39323
2444         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2445
2446 2009-04-28  Richard Guenther  <rguenther@suse.de>
2447
2448         * tree.h (SSA_NAME_VALUE): Remove.
2449         (struct tree_ssa_name): Remove value_handle member.
2450         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2451         array for jump threading.
2452         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2453         SSA_NAME_VALUEs.
2454         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2455         * tree-flow.h (threadedge_initialize_values): Declare.
2456         (threadedge_finalize_values): Likewise.
2457         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2458         (SSA_NAME_VALUE): Define.
2459         (threadedge_initialize_values): New function.
2460         (threadedge_finalize_values): Likewise.
2461         * tree-ssa-dom.c (ssa_name_values): New global variable.
2462         (SSA_NAME_VALUE): Define.
2463         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2464
2465 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2466
2467         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2468         Use REPORT_VECTORIZED_LOCATIONS instead 
2469         REPORT_VECTORIZED_LOOPS.
2470         * tree-vectorizer.c (vect_verbosity_level): Make static.
2471         (vect_loop_location): Rename to vect_location.
2472         (vect_set_verbosity_level): Update comment.
2473         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2474         and vect_location.
2475         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2476         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2477         instead REPORT_UNVECTORIZED_LOOPS.
2478         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2479         and vect_loop_def to vect_external_def and vect_internal_def.
2480         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2481         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2482         REPORT_UNVECTORIZED_LOCATIONS.
2483         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2484         and vect_used_in_loop and to vect_unused_in_scope and 
2485         vect_used_in_scope.
2486         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2487         (vect_verbosity_level): Remove declaration.
2488         (vect_analyze_operations): Likewise.
2489         (vect_analyze_stmt): Declare.
2490         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2491         REPORT_UNVECTORIZED_LOCATIONS.
2492         (vect_get_loop_niters): Fix indentation.
2493         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2494         (vect_analyze_loop_operations): New function.
2495         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2496         vect_analyze_operations.
2497         (vect_is_simple_reduction): Use new names.
2498         (vectorizable_live_operation, vect_transform_loop): Likewise.
2499         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2500         to specify whether the data references can be a part of interleaving
2501         chain.
2502         (vect_analyze_data_ref_dependence): Use new names.
2503         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2504         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2505         * tree-vect-patterns.c (widened_name_p): Use new names.
2506         (vect_recog_dot_prod_pattern): Likewise.
2507         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2508         (process_use, vect_mark_stmts_to_be_vectorized, 
2509         vect_model_simple_cost, vect_model_store_cost,
2510         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2511         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2512         vectorizable_operation, vectorizable_type_demotion,
2513         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2514         vectorizable_condition): Likewise.
2515         (vect_analyze_operations): Split into vect_analyze_loop_operations
2516         and ...
2517         (vect_analyze_stmt): ... new function.
2518         (new_stmt_vec_info): Use new names.
2519         (vect_is_simple_use): Use new names and fix comment.
2520         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2521         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2522
2523 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2524
2525         PR target/39911
2526         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2527         and integer modes for x87 operands.  Do not ICE for unsupported size,
2528         generate error instead.  Generate error for unsupported operand types.
2529         ['z']: Do not handle HImode memory operands specially.  Warning
2530         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2531         types.  Do not ICE for unsupported size, generate error instead.
2532         (output_387_binary_op): Use %Z to output operands.
2533         (output_fp_compare): Ditto.
2534         (output_387_reg_move): Ditto.
2535
2536 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2537
2538         PR c++/35652
2539         Revert:
2540
2541         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2542
2543         * builtins.c (c_strlen): Do not warn here.
2544         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2545         * c-common.c (pointer_int_sum): Take an explicit location.
2546         Warn about offsets out of bounds.
2547         * c-common.h (pointer_int_sum): Adjust declaration.
2548
2549 2009-04-27  Ian Lance Taylor  <iant@google.com>
2550
2551         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2552         names to symkind.
2553         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2554         * df-core.c (df_set_flags): Change return type to int.  Change
2555         type of old_flags to int.
2556         (df_clear_flags): Likewise.
2557         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2558         (df_get_conditional_uses): Likewise.
2559         * df.h (df_set_flags, df_clear_flags): Update declarations.
2560         * dwarf2out.c (struct indirect_string_node): Change type of form
2561         field to enum dwarf_form.
2562         (AT_string_form): Change return type to enum dwarf_form.
2563         * fixed-value.c (fixed_compare): Add cast to enum type.
2564         * fwprop.c (update_df): Change 0 to VOIDmode.
2565         * gensupport.c: Change 0 to UNKNOWN.
2566         * gimple.h (gimple_cond_code): Add cast to enum type.
2567         * haifa-sched.c (reemit_notes): Add cast to enum type.
2568         * hooks.c (hook_int_void_no_regs): Remove function.
2569         * hooks.h (hook_int_void_no_regs): Remove declaration.
2570         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2571         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2572         * real.c (real_arithmetic): Add cast to enum type.
2573         (real_compare): Likewise.
2574         * target.h (struct gcc_target): Change return type of
2575         branch_target_register_class to enum reg_class.
2576         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2577         default_branch_target_register_class.
2578         * targhooks.c (default_branch_target_register_class): New function.
2579         * targhooks.h (default_branch_target_register_class): Declare.
2580         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2581         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2582         cast to int.
2583         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2584         ERROR_MARK.
2585         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2586         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2587         * tree-vect-stmts.c (supportable_widening_operation): Don't
2588         initialize icode1 and icode2.
2589         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2590         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2591         and to STD_C89.
2592         (cmn_err_flag_specs): Change 0 to STD_C89.
2593         (cmn_err_char_table): Likewise.
2594         * config/arm/arm.c (get_arm_condition_code): Change type of code
2595         to enum arm_cond_code.
2596         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2597         (IWMMXT_BUILTIN2): Likewise.
2598         (neon_builtin_type_bits): Don't define typedef.
2599         (neon_builtin_datum): Change type of bits field to int.
2600         (arm_expand_neon_args): Add cast to enum type.
2601         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2602         TLS_MODEL_NONE.
2603         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2604         casts to enum type.
2605         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2606         MIPS_FP_COND_f.
2607         * config/mips/mips.md (jal_macro): Return enum constant.
2608         (single_insn): Likewise.
2609         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2610         CODE_FOR_nothing.
2611         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2612         casts to enum type.
2613         * config/s390/s390.c (s390_tune_flags): Change type to int.
2614         (s390_arch_flags): Likewise.
2615         (s390_handle_arch_option): Change flags field of struct pta to int.
2616         * config/s390/s390.h (s390_tune_flags): Update declaration.
2617         (s390_arch_flags): Likewise.
2618         * config/sh/sh.c (prepare_move_operands): Compare
2619         tls_symbolic_operand result with enum constant.
2620         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2621         (sh_expand_prologue): Add cast to enum type.
2622         (sh_expand_epilogue): Likewise.
2623         (tls_symbolic_operand): Change return type to enum tls_model.
2624         (fpscr_set_from_mem): Add cast to enum type.
2625         (legitimize_pic_address): Compare tls_symbolic_operand result with
2626         enum constant.
2627         (sh_target_reg_class): Change return type to enum reg_class.
2628         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2629         PROCESSOR_xxx.
2630         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2631         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2632         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2633         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2634         (delayed_branch, tls_call_delay): Likewise.
2635         (eligible_for_sibcall_delay): Likewise.
2636         (eligible_for_return_delay): Likewise. 
2637         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2638         (spu_expand_builtin_1): Likewise.
2639
2640         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2641         for all types of conversions.
2642         (output_init_element): Issue -Wc++-compat warning if needed when
2643         initializing a bitfield with enum type.
2644         * c-parser.c (c_parser_expression): Set original_type to
2645         original_type of right hand operand of comman operator.
2646
2647 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2648
2649         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2650         grammar nits.
2651         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2652         * doc/cpp.texi (Standard Predefined Macros)
2653         (Implementation-defined behavior): Likewise.
2654         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2655         * doc/gimple.texi (GIMPLE Exception Handling)
2656         (@code{GIMPLE_ASSIGN}): Likewise.
2657         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2658         * doc/invoke.texi (Warning Options, Optimize Options)
2659         (AVR Options, Darwin Options): Likewise.
2660         (Optimize Options): Reformulate -fwhole-program description.
2661         * doc/loop.texi (Lambda): Likewise.
2662         * doc/md.texi (Output Template, Define Constraints)
2663         (Standard Names, Insn Splitting): Likewise.
2664         * doc/options.texi (Option properties): Likewise.
2665         * doc/passes.texi (Tree-SSA passes): Likewise.
2666         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2667         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2668         (File Names and DBX): Likewise.
2669         * doc/trouble.texi (Incompatibilities): Likewise.
2670
2671 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2672
2673         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2674         instruction is correct.
2675
2676 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2677
2678         Allow non-constant arguments to conversion intrinsics.
2679         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2680         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2681         * spu.c (print_operand): Handle 'v' and 'w'.
2682         (exp2_immediate_p, spu_gen_exp2): Define.
2683         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2684         spu_convtf_1): Update parameter descriptions.
2685         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2686         * constraints.md ('v', 'w'): New.
2687         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2688         Remove.
2689         (i2f, I2F): New define_mode_attr.
2690         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2691         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2692         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2693         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2694         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2695         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2696         patterns for combine.
2697
2698 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2699
2700         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2701         (cprop, hoist, pre, store_motion): New debug counters.
2702         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2703         is not an RTL pass anymore.
2704         (pass_profiling): Remove extern decl for pass removed in 2005.
2705         (pass_gcse, pass_jump_bypass): Remove.
2706         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2707         to 0 for clean state.
2708         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2709         * cse.c (gate_handle_cse_after_global_opts,
2710         rest_of_handle_cse_after_global_opts): New functions.
2711         (pass_cse_after_global_opts): New pass, does local CSE.
2712         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2713         (TV_CPROP): New timevar.
2714         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2715         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2716         (gcse_main, recompute_all_luids): Remove.
2717         (compute_hash_table_work): Call max_reg_num instead of reading
2718         max_gcse_regno.
2719         (cprop_jump): Don't set run_jump_opt_after_gcse.
2720         (constprop_register): Always allow to alter jumps.
2721         (cprop_insn): Likewise.
2722         (do_local_cprop): Likewise.
2723         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2724         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2725         (find_implicit_sets): Add note about missed optimization opportunity.
2726         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2727         pass_rtl_cprop execute function.
2728         Don't bother tracking the pass number, each pass gets its own dumpfile
2729         now anyway.
2730         Always allow to alter jumpsand bypass jumps.
2731         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2732         will just find no suitable set.
2733         (pre_edge_insert): Fix dumping, this function is for PRE only.
2734         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2735         pass_rtl_pre execute function.
2736         (hoist_code): Return non-zero if something changed.  Keep track of
2737         substitutions and insertions for statistics gathering similar to PRE.
2738         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2739         called from the pass_rtl_hoist execute function.  Show pass statistics.
2740         (compute_store_table): Use max_reg_num directly instead of using the
2741         formerly global max_gcse_regno.
2742         (build_store_vectors): Likewise.
2743         (replace_store_insn): Fix dumping.
2744         (store_motion): Rename to ...
2745         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2746         pass, called from the pass_rtl_store_motion execute function.  Keep
2747         track of substitutions and insertions for statistics gathering similar
2748         to PRE.
2749         (bypass_jumps): Remove, fold interesting bits into ...
2750         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2751         from the pass_rtl_cprop execute function.
2752         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2753         pass_jump_bypass): Remove.
2754         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2755         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2756         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2757         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2758         (gate_rtl_store_motion, execute_rtl_store_motion,
2759         pass_rtl_store_motion): New.
2760         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2761         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2762         * passes.c (init_optimization_passes): Remove pass_gcse and
2763         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2764         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2765         instead of pass_jump_bypass.
2766
2767 2009-04-27  Richard Guenther  <rguenther@suse.de>
2768
2769         PR middle-end/39928
2770         * gimplify.c (gimplify_expr): If we are required to create
2771         a temporary make sure it ends up as register.
2772
2773 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2774
2775         PR target/39903
2776         * config/i386/i386.c (construct_container): Don't call
2777         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2778         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2779
2780 2009-04-27  Michael Matz  <matz@suse.de>
2781
2782         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2783         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2784         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2785         (dump_replaceable_exprs): Take a bitmap.
2786         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2787         array.
2788         (expand_gimple_basic_block): Likewise.
2789         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2790         replaceable_expressions member a bitmap.
2791         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2792         (mark_replaceable): Likewise.
2793         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2794         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2795
2796 2009-04-27  Richard Guenther  <rguenther@suse.de>
2797
2798         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2799         (verify_stmts): Dispatch to gimple/type verification code.
2800         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2801         issue with call argument types.
2802
2803 2009-04-27  Michael Matz  <matz@suse.de>
2804
2805         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2806         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2807         to above.
2808
2809 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2810             Eric Botcazou  <ebotcazou@adacore.com>
2811
2812         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2813         a label's basic block.
2814         (mark_target_live_regs): Tidy and rework obsolete comments.
2815         Change back DF problem to LIVE.  If a label starts a basic block,
2816         assume that all registers that used to be live then still are.
2817         (init_resource_info): If a label starts a basic block, set its
2818         BLOCK_FOR_INSN accordingly.
2819         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2820
2821 2009-04-27  Richard Guenther  <rguenther@suse.de>
2822
2823         * tree-flow-inline.h (function_ann): Remove.
2824         (get_function_ann): Likewise.
2825         * tree-dfa.c (create_function_ann): Remove.
2826         * tree-flow.h (struct static_var_ann_d): Remove.
2827         (struct function_ann_d): Likewise.
2828         (union tree_ann_d): Remove fdecl member.
2829         (function_ann_t): Remove.
2830         (function_ann, get_function_ann, create_function_ann): Remove
2831         declarations.
2832
2833 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2834
2835         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2836
2837 2009-04-27  Jan Hubicka  <jh@suse.cz>
2838
2839         * ipa-pure-const.c (struct funct_state_d): New fields
2840         state_previously_known, looping_previously_known; remove
2841         state_set_in_source.
2842         (analyze_function): Use new fields.
2843         (propagate): Avoid assumption that state_set_in_source imply
2844         nonlooping.
2845
2846         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2847         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2848         * cfgloop.h (finite_loop_p): Declare.
2849
2850 2009-04-26  Michael Matz  <matz@suse.de>
2851
2852         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2853
2854 2009-04-26  Michael Matz  <matz@suse.de>
2855
2856         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2857         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2858         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2859         pass_mark_used_blocks): Remove.
2860         * tree-optimize.c (pass_free_datastructures,
2861         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2862         * passes.c (init_optimization_passes): Don't call
2863         pass_mark_used_blocks, remove dead code.
2864
2865 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2866
2867         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2868         * tree-ssa-live.h (register_ssa_partition): Likewise.
2869
2870 2009-04-26  Michael Matz  <matz@suse.de>
2871
2872         Expand from SSA.
2873         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2874         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2875         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2876         SSA names. 
2877         (compare_pairs): Swap cost comparison.
2878         (coalesce_ssa_name): Don't use change_partition_var.
2879         * tree-nrv.c (struct nrv_data): Add modified member.
2880         (finalize_nrv_r): Set it.
2881         (tree_nrv): Use it to update statements.
2882         (pass_nrv): Require PROP_ssa.
2883         * tree-mudflap.c (mf_decl_cache_locals,
2884         mf_build_check_statement_for): Use make_rename_temp.
2885         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2886         * alias.c (find_base_decl): Handle SSA names.
2887         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2888         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2889         * rtl.h (set_reg_attrs_for_parm): Declare.
2890         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2891         to "optimized", remove unused locals at finish.
2892         (execute_free_datastructures): Make global, call
2893         delete_tree_cfg_annotations.
2894         (execute_free_cfg_annotations): Don't call
2895         delete_tree_cfg_annotations.
2896
2897         * ssaexpand.h: New file.
2898         * expr.c (toplevel): Include ssaexpand.h.
2899         (expand_assignment): Handle SSA names the same as register variables.
2900         (expand_expr_real_1): Expand SSA names.
2901         * cfgexpand.c (toplevel): Include ssaexpand.h.
2902         (SA): New global variable.
2903         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2904         (SSAVAR): New macro.
2905         (set_rtl): New helper function.
2906         (add_stack_var): Deal with SSA names, use set_rtl.
2907         (expand_one_stack_var_at): Likewise.
2908         (expand_one_stack_var): Deal with SSA names.
2909         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2910         before unique numbers.
2911         (expand_stack_vars): Use set_rtl.
2912         (expand_one_var): Accept SSA names, add asserts for them, feed them
2913         to above subroutines.
2914         (expand_used_vars): Expand all partitions (without default defs),
2915         then only the local decls (ignoring those expanded already).
2916         (expand_gimple_cond): Remove edges when jumpif() expands an
2917         unconditional jump.
2918         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2919         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2920         SSA name.
2921         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2922         members of SA; deal with PARM_DECL partitions here; expand
2923         all PHI nodes, free tree datastructures and SA.  Commit instructions
2924         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2925         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2926         info and statements at start, collect garbage at finish.
2927         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2928         (VAR_ANN_PARTITION) Remove.
2929         (change_partition_var): Don't declare.
2930         (partition_to_var): Always return SSA names.
2931         (var_to_partition): Only accept SSA names.
2932         (register_ssa_partition): Only check argument.
2933         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2934         member.
2935         (delete_var_map): Don't free it.
2936         (var_union): Only accept SSA names, simplify.
2937         (partition_view_init): Mark only useful SSA names as used.
2938         (partition_view_fini): Only deal with SSA names.
2939         (change_partition_var): Remove.
2940         (dump_var_map): Use ssa_name instead of partition_to_var member.
2941         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2942         basic blocks.
2943         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2944         (struct _elim_graph): New member const_dests; nodes member vector of
2945         ints.
2946         (set_location_for_edge): New static helper.
2947         (create_temp): Remove.
2948         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2949         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2950         (new_elim_graph): Allocate const_dests member.
2951         (clean_elim_graph): Truncate const_dests member.
2952         (delete_elim_graph): Free const_dests member.
2953         (elim_graph_size): Adapt to new type of nodes member.
2954         (elim_graph_add_node): Likewise.
2955         (eliminate_name): Likewise.
2956         (eliminate_build): Don't take basic block argument, deal only with
2957         partition numbers, not variables.
2958         (get_temp_reg): New static helper.
2959         (elim_create): Use it, deal with RTL temporaries instead of trees.
2960         (eliminate_phi): Adjust all calls to new signature.
2961         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2962         (rewrite_trees): Only do checking.
2963         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2964         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2965         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2966         contains_tree_r, MAX_STMTS_IN_LATCH,
2967         process_single_block_loop_latch, analyze_edges_for_bb,
2968         perform_edge_inserts): Remove.
2969         (expand_phi_nodes): New global function.
2970         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2971         functions, initialize new parameter, remember partitions having a
2972         default def.
2973         (finish_out_of_ssa): New global function.
2974         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2975         don't reset in_ssa_p here, don't disable TER when mudflap.
2976         (pass_del_ssa): Remove.
2977         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2978         partition members.
2979         (execute_free_datastructures): Declare.
2980         * Makefile.in (SSAEXPAND_H): New variable.
2981         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2982         * basic-block.h (commit_one_edge_insertion): Declare.
2983         * passes.c (init_optimization_passes): Move pass_nrv and
2984         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2985         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2986         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2987         (redirect_branch_edge): Deal with super block when expanding, split
2988         out jump patching itself into ...
2989         (patch_jump_insn): ... here, new static helper.
2990
2991 2009-04-26  Michael Matz  <matz@suse.de>
2992
2993         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2994         beyond num_ssa_names.
2995         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2996         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2997
2998 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2999
3000         PR inline-asm/39543
3001         * fwprop.c (forward_propagate_asm): New function.
3002         (forward_propagate_and_simplify): Propagate also into __asm, if it
3003         doesn't increase the number of referenced registers.
3004
3005         PR c/39889
3006         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3007
3008 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3009
3010         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3011         note_nonlocal_vla_type for nonlocal VLAs.
3012         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3013         contains_remapped_vars, remap_vla_decls): New functions.
3014         (convert_nonlocal_reference_stmt): If not optimizing, call
3015         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3016         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3017         if it wasn't found in var_map.
3018         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3019         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3020         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3021         declare_vars.
3022         * gimplify.c (nonlocal_vlas): New variable.
3023         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3024         referenced VLAs.
3025         (gimplify_body): Create and destroy nonlocal_vlas.
3026
3027         * dwarf2out.c (loc_descr_plus_const): New function.
3028         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3029         mem_loc_descriptor, loc_descriptor_from_tree_1,
3030         descr_info_loc, gen_variable_die): Use it.
3031
3032         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3033         !TREE_STATIC VAR_DECLs.
3034         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3035         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3036         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3037         DECL_BY_REFERENCE is valid.
3038         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3039         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3040         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3041         Copy DECL_BY_REFERENCE.
3042         (struct nesting_copy_body_data): New type.
3043         (nesting_copy_decl): New function.
3044         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3045         if they have variable length.
3046
3047 2009-04-26  Michael Matz  <matz@suse.de>
3048
3049         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3050         mark new temporaries for renaming.
3051
3052 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3053
3054         PR c/39581
3055         * c-decl.c (global_bindings_p): Return negative value.
3056         (c_variable_size): New.  Based on variable_size from
3057         stor-layout.c.
3058         (grokdeclarator): Call c_variable_size not variable_size.
3059
3060 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3063
3064 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3065
3066         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3067         Redefine it to just use mingw/include.
3068         (ASM_SPEC): Rules for -m32 and -m64.
3069         (LINK_SPEC): Use Likewise.
3070         (SPEC_32): New define.
3071         (SPEC_64): Likewise.
3072         (SUB_LINK_SPEC): Likewise.
3073         (MULTILIB_DEFAULTS): New define.
3074         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3075         Add multilib options.
3076         (MULTILIB_DIRNAMES): Likewise.
3077         (MULTILIB_OSDIRNAMES): Likewise.
3078         (LIBGCC): Likewise.
3079         (INSTALL_LIBGCC): Likewise.
3080
3081 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3082
3083         PR c/39556
3084         * c-tree.h (enum c_inline_static_type): New.
3085         (record_inline_static): Declare.
3086         * c-decl.c (struct c_inline_static, c_inline_statics,
3087         record_inline_static, check_inline_statics): New.
3088         (pop_file_scope): Call check_inline_statics.
3089         (start_decl): Call record_inline_static instead of pedwarning
3090         directly for static in inline function.
3091         * c-typeck.c (build_external_ref): Call record_inline_static
3092         instead of pedwarning directly for static referenced in inline
3093         function.
3094
3095 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3096
3097         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3098         not new but only being rescanned.
3099         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3100         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3101         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3102         record_set_info, compute_set, grealloc): Remove.
3103         (recompute_all_luids): New function.
3104         (gcse_main): Don't compute sets, and don't do related memory
3105         allocations/free-ing.  If something changed before the end of the
3106         pass, update LUIDs using recompute_all_luids.
3107         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3108         (free_gcse_mem): Don't free it either.
3109         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3110         Use the df insn LUIDs.
3111         (load_killed_in_block): Likewise.
3112         (compute_hash_table_work): Don't compute reg_set_in_block.
3113         (compute_transp): Use DF_REG_DEF_CHAINs.
3114         (local_cprop_pass): Don't use compute_sets and related functions.
3115         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3116         Use get_max_uid() instead of max_cuid.
3117         (insert_insn_end_basic_block, pre_insert_copy_insn,
3118         update_ld_motion_stores): Don't try to
3119         keep reg_set tables up to date.
3120         (pre_insert_copies): Use df insn LUIDs.
3121         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3122         (reg_set_info): Don't use extra bitmap argument.
3123         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3124         information to compute regs_set_in_block.
3125         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3126         (bypass_jumps): Don't use compute_sets and friends.
3127
3128 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3129
3130         PR testsuite/39710
3131         * opts.c (undocumented_msg): Do not leave blank even with
3132         ENABLE_CHECKING.
3133
3134 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3135
3136         * c-decl.c (build_enumerator): Allow values folding to integer
3137         constants but not integer constant expressions with a pedwarn if
3138         pedantic.
3139
3140 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3141
3142         PR c/39582
3143         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3144         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3145         type is an integer constant.
3146
3147 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3148
3149         PR target/39897
3150         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3151         HImode operands.
3152
3153 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3154
3155         PR c/39564
3156         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3157         with variably modified return type and no storage class
3158         specifiers, except for the case of nested functions.  Distinguish
3159         extern declarations of functions with variably modified return
3160         types from those of objects with variably modified types.
3161
3162 2009-04-25  Jan Hubicka  <jh@suse.cz>
3163
3164         * tree.c (list_equal_p): New function.
3165         * tree.h (list_equal_p): Declare.
3166         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3167         basic_block_def, basic_block, const_basic_block): New.
3168         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3169         (redirect_eh_edge): New function.
3170         (make_eh_edge_update_phi): EH edges are not abnormal.
3171         * except.c: Include tree-flow.h.
3172         (list_match): New function.
3173         (eh_region_replaceable_by_p): New function.
3174         (replace_region): New function.
3175         (hash_type_list): New function.
3176         (hash_eh_region): New function.
3177         (eh_regions_equal_p): New function.
3178         (merge_peers): New function.
3179         (remove_unreachable_regions): Verify EH tree when checking;
3180         merge peers.
3181         (copy_eh_region_1): New function.
3182         (copy_eh_region): New function.
3183         (push_reachable_handler): New function.
3184         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3185         regions without label but with live RESX.
3186         * except.h (redirect_eh_edge_to_label): New.
3187         * tree-flow.h (redirect_eh_edge): New.
3188         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3189         basic_block_def, basic_block, const_basic_block): Remove.
3190         * Makefile.in (except.o): Add dependency on tree-flow.h
3191         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3192         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3193         Remove.
3194
3195 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3196
3197         PR bootstrap/39645
3198         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3199         on the destination of memcpy.
3200
3201 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3202
3203         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3204         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3205         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3206
3207 2009-04-25  Jan Hubicka  <jh@suse.cz>
3208
3209         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3210         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3211         to be reached by different label than left.
3212         (update_eh_edges): Update comment; remove edge_to_remove if possible
3213         and return true if suceeded.
3214         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3215         (cleanup_eh): Compute sharing map.
3216         * except.c (remove_eh_handler_and_replace): Add argument if we should
3217         update regions.
3218         (remove_unreachable_regions): Update for label sharing.
3219         (label_to_region_map): Likewise.
3220         (get_next_region_sharing_label): New function.
3221         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3222         prev_try pointers.
3223         (remove_eh_handler): Update.
3224         (remove_eh_region_and_replace_by_outer_of): New function.
3225         * except.h (struct eh_region): Add next_region_sharing_label.
3226         (remove_eh_region_and_replace_by_outer_of,
3227         get_next_region_sharing_label): Declare.
3228         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3229
3230 2009-04-25  Jan Hubicka  <jh@suse.cz>
3231
3232         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3233         insert code even if they are not critical.
3234
3235 2009-04-25  Jan Hubicka  <jh@suse.cz>
3236
3237         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3238         (gimple_can_remove_branch_p): EH edges won't remove branch by
3239         redirection.
3240         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3241         updating of non-abnormal EH edges.
3242         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3243         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3244         (split_critical_edges): Split also edges where emitting code on them
3245         will lead to splitting later.
3246
3247 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3248             H.J. Lu  <hongjiu.lu@intel.com>
3249
3250         PR target/39590
3251         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3252         the configured assembler supports fildq and fistpq mnemonics.
3253         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3254         * configure: Regenerated.
3255         * config.in: Ditto.
3256
3257         * config/i386/i386.c (print_operand): Handle 'Z'.
3258         ['z']: Remove handling of special fild/fist suffixes.
3259         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3260         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3261         suffix of fild insn.
3262         (*floatsi<mode>2_vector_mixed): Ditto.
3263         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3264         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3265         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3266         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3267         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3268
3269 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3270  
3271         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3272         the source of a set operation.
3273
3274 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3275
3276         * target.h (struct gcc_target): Add case_values_threshold field.
3277         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3278         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3279         * targhooks.c (default_case_values_threshold): New function.
3280         * targhooks.h (default_case_values_threshold): Declare function.
3281         * stmt.c (expand_case): Use case_values_threshold target hook.
3282         * expr.h (case_values_threshold): Remove declartation.
3283         * expr.c (case_values_threshold): Remove function.
3284         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3285
3286         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3287         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3288         (avr_case_values_threshold): Declare as static.
3289         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3290
3291         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3292         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3293         (mn10300_case_values_threshold): New function.
3294
3295 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3296
3297         * ira.c (setup_cover_and_important_classes): Add enum cast.
3298
3299 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3300
3301         * genpreds.c (write_enum_constraint_num): Output definition of
3302         CONSTRAINT_NUM_DEFINED_P macro.
3303         * ira.c (setup_cover_and_important_classes): Use
3304         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3305         
3306 2009-04-24  DJ Delorie  <dj@redhat.com>
3307
3308         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3309         __SH2A_SINGLE_ONLY__ also.
3310
3311 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3312
3313         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3314         (movdf_internal): Ditto.
3315         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3316         SFmode and DFmode constants.
3317         (ia64_print_operand): Add 'G' format for printing
3318         floating point constants.
3319
3320 2009-04-24  Richard Guenther  <rguenther@suse.de>
3321
3322         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3323         from unsigned additions.
3324
3325 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3326
3327         * c-typeck.c (set_init_index): Allow array designators that are
3328         not integer constant expressions with a pedwarn if pedantic.
3329
3330 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3331
3332         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3333         zero if no overlap in nonzero bits between the operands.
3334
3335 2009-04-24  Ian Lance Taylor  <iant@google.com>
3336
3337         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3338         (record_dead_and_set_regs): Likewise.
3339         * df.h (struct df_mw_hardreg): Change flags field to int.
3340         (struct df_base_ref): Likewise.
3341         (struct df): Change changeable_flags field to int.
3342         * df-scan.c (df_defs_record): Change clobber_flags to int.
3343         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3344         constants rather than #define macros.
3345         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3346         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3347         (enum dwarf_calling_convention): Likewise.
3348         (enum dwarf_line_number_x_ops): Likewise.
3349         (enum dwarf_call_frame_info): Likewise.
3350         (enum dwarf_source_language): Likewise.
3351         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3352         (add_calling_convention_attribute): Likewise.
3353         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3354         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3355         * genrecog.c (maybe_both_true_2): Change c to int.
3356         (write_switch): Likewise.  Add cast to enum type.
3357         * gimplify.c (gimplify_omp_for): Handle return values from
3358         gimplify_expr using MIN rather than bitwise or.
3359         (gimplify_expr): Add cast to enum type.
3360         * ipa-prop.c (update_jump_functions_after_inlining): Change
3361         IPA_BOTTOM to IPA_JF_UNKNOWN.
3362         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3363         Add casts to enum type.
3364         (setup_cover_and_important_classes): Change cl to int.  Add casts
3365         to enum type.
3366         (setup_class_translate): Change cl and mode to int.
3367         (ira_init_once): Change mode to int.
3368         (free_register_move_costs): Likewise.
3369         (setup_prohibited_mode_move_regs): Add casts to enum type.
3370         * langhooks.c (add_builtin_function_common): Rework assertion that
3371         value fits bitfield.
3372         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3373         * omega.c (omega_do_elimination): Avoid math on enum types.
3374         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3375         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3376         int local to handle integral_argment value.
3377         * regmove.c (try_auto_increment): Change PUT_MODE to
3378         PUT_REG_NOTE_KIND.
3379         * reload.c (push_secondary_reload): Add casts to enum type.
3380         (secondary_reload_class, find_valid_class): Likewise.
3381         * reload1.c (emit_input_reload_insns): Likewise.
3382         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3383         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3384         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3385         constant.
3386         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3387         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3388         enum type.
3389         (expand_complex_libcall): Add casts to enum type.
3390         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3391         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3392         with ERROR_MARK, not NUM_TREE_CODES.
3393         (vect_create_epilog_for_reduction): Likewise.
3394         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3395         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3396         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3397         enum machine_mode.
3398         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3399         vect_unused_in_loop.  Change 0 to loop_vect.
3400         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3401         * var-tracking.c (get_init_value): Change return type to enum
3402         var_init_status.
3403         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3404         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3405         arm_fp_model.
3406         (arm_override_options): Add casts to enum type.
3407         (arm_emit_tls_decoration): Likewise.
3408         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3409         to enum type.
3410         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3411         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3412         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3413         enum type.
3414         * config/s390/s390.c (code_for_builtin_64): Change to array of
3415         enum insn_code.
3416         (code_for_builtin_31): Likewise.
3417         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3418         const *.
3419         * config/sparc/sparc.c (sparc_override_options): Change value
3420         field in struct code_model to enum cmodel.  In initializer change
3421         0 to NULL and add cast to enum type.
3422
3423         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3424         Change all callers.  Issue a -Wc++-compat warning using
3425         lhs_origtype if necessary.
3426         (convert_for_assignment): Issue -Wc++-compat warnings about
3427         invalid conversions to enum type on assignment.
3428         * c-common.h (build_modify_expr): Update declaration.
3429
3430 2009-04-24  Nick Clifton  <nickc@redhat.com>
3431
3432         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3433         (function_arg_advance): Likewise.
3434         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3435         5th alternative.
3436
3437 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3438
3439         * config/s390/constraints.md ('I', 'J'): Fix condition.
3440
3441 2009-04-24  Diego Novillo  <dnovillo@google.com>
3442
3443         * gengtype-parse.c (parse_error): Add newline after message.
3444
3445 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3446
3447         * config/i386/sse.md (avxmodesuffixs): Removed.
3448         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3449         (*avx_pinsr<ssevecsize>): This.
3450
3451 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3452
3453         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3454         follow chains of regs with a single definition, and allow expressions
3455         that are function_invariant_p.
3456         (simple_rhs_p): Allow expressions that are function_invariant_p.
3457
3458 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3459
3460         PR middle-end/39867
3461         * fold-const.c (fold_cond_expr_with_comparison): When folding
3462         > and >= to MAX, make sure the MAX uses the same type as the
3463         comparison's operands.
3464
3465 2009-04-24  Nick Clifton  <nickc@redhat.com>
3466
3467         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3468         addressing for DImode accesses.
3469         (frv_print_operand_address): Handle PLUS case.
3470         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3471
3472 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3473
3474         PR rtl-optimization/39794
3475         * alias.c (canon_true_dependence): Add x_addr argument.
3476         * rtl.h (canon_true_dependence): Adjust prototype.
3477         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3478         * cselib.c (cselib_invalidate_mem): Likewise.
3479         * gcse.c (compute_transp): Likewise.
3480         * dse.c (scan_reads_nospill): Likewise.
3481         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3482         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3483         canon_base_addr of the group, plus optional offset.
3484         (struct group_info): Rename canon_base_mem to
3485         canon_base_addr.
3486         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3487         canon_rtx of base_mem.
3488
3489 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3490
3491         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3492         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3493
3494 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3495
3496         * config/spu/spu-builtins.h: Delete file.
3497
3498         * config/spu/spu.h (enum spu_builtin_type): Move here from
3499         spu-builtins.h.
3500         (struct spu_builtin_description): Likewise.  Add GTY marker.
3501         Do not use enum spu_function_code or enum insn_code.
3502         (spu_builtins): Add extern declaration.
3503
3504         * config/spu/spu.c: Do not include "spu-builtins.h".
3505         (enum spu_function_code, enum spu_builtin_type_index,
3506         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3507         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3508         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3509         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3510         (spu_builtin_types): Make static.  Add GTY marker.
3511         (spu_builtins): Add extern declaration with GTY marker.
3512         Include "gt-spu.h".
3513
3514         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3515         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3516         Check programmatically whether all parameters are scalar.
3517
3518         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3519
3520 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3521
3522         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3523         assignment from the constructor either if the target is volatile.
3524
3525 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3526
3527         * config/arm/arm.md (insv): Do not share operands[0].
3528
3529 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3530
3531         * config/vxlib-tls.c (active_tls_threads): Delete.
3532         (delete_hook_installed): New.
3533         (tls_delete_hook): Don't delete the delete hook.
3534         (tls_destructor): Delete it here.
3535         (__gthread_set_specific): Adjust installing the delete hook.
3536         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3537         __gthread_leave_tsd_dtor_context.
3538
3539 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3540
3541         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3542
3543 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3544
3545         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3546         enum type.
3547         (alpha_rtx_costs): Ditto.
3548         (emit_unlikely_jump): Use add_reg_note.
3549         (emit_frame_store_1): Ditto.
3550         (alpha_expand_prologue): Ditto.
3551         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3552         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3553
3554 2009-04-23  Nick Clifton  <nickc@redhat.com>
3555
3556         * config/v850/v850.md (epilogue): Remove suppressed code.
3557         (return): Rename to return_simple and remove test of frame size.
3558         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3559         to gen_return_simple.
3560
3561 2009-04-22  Jing Yu  <jingyu@google.com>
3562
3563         PR testsuite/39781
3564         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3565
3566 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3567
3568         PR C/31499
3569         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3570         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3571         value is a VECTOR_CST, the element type is the element type of the
3572         vector.
3573
3574 2009-04-22  DJ Delorie  <dj@redhat.com>
3575
3576         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3577
3578 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3579
3580         * alias.c (find_base_term): Move around LO_SUM case, so that
3581         CONST falls through into PLUS/MINUS handling.
3582
3583         PR c/39855
3584         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3585         into 0, use omit_one_operand.
3586
3587 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3588
3589         * config/rs6000/linux-unwind.h (get_regs): Remove type
3590         puns. Change the type of `pc' to an array of unsigned ints and
3591         update all users.  Constify frame24.
3592
3593 2009-04-22  DJ Delorie  <dj@redhat.com>
3594
3595         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3596         declarations before code.
3597         (current_function_special_page_vector): Likewise.
3598         (m32c_expand_insv): Silence a warning.
3599
3600 2009-04-21  Taras Glek  <tglek@mozilla.com>
3601
3602         * alias.c: Update GTY annotations to new syntax.
3603         * basic-block.h: Likewise.
3604         * bitmap.h: Likewise.
3605         * c-common.h: Likewise.
3606         * c-decl.c: Likewise.
3607         * c-parser.c: Likewise.
3608         * c-pragma.c: Likewise.
3609         * c-tree.h: Likewise.
3610         * cfgloop.h: Likewise.
3611         * cgraph.h: Likewise.
3612         * config/alpha/alpha.c: Likewise.
3613         * config/arm/arm.h: Likewise.
3614         * config/avr/avr.h: Likewise.
3615         * config/bfin/bfin.c: Likewise.
3616         * config/cris/cris.c: Likewise.
3617         * config/darwin.c: Likewise.
3618         * config/frv/frv.c: Likewise.
3619         * config/i386/i386.c: Likewise.
3620         * config/i386/i386.h: Likewise.
3621         * config/i386/winnt.c: Likewise.
3622         * config/ia64/ia64.h: Likewise.
3623         * config/iq2000/iq2000.c: Likewise.
3624         * config/mips/mips.c: Likewise.
3625         * config/mmix/mmix.h: Likewise.
3626         * config/pa/pa.c: Likewise.
3627         * config/pa/pa.h: Likewise.
3628         * config/rs6000/rs6000.c: Likewise.
3629         * config/s390/s390.c: Likewise.
3630         * config/sparc/sparc.c: Likewise.
3631         * config/xtensa/xtensa.c: Likewise.
3632         * cselib.h: Likewise.
3633         * dbxout.c: Likewise.
3634         * dwarf2out.c: Likewise.
3635         * except.c: Likewise.
3636         * except.h: Likewise.
3637         * fixed-value.h: Likewise.
3638         * function.c: Likewise.
3639         * function.h: Likewise.
3640         * gimple.h: Likewise.
3641         * integrate.c: Likewise.
3642         * optabs.c: Likewise.
3643         * output.h: Likewise.
3644         * real.h: Likewise.
3645         * rtl.h: Likewise.
3646         * stringpool.c: Likewise.
3647         * tree-data-ref.c: Likewise.
3648         * tree-flow.h: Likewise.
3649         * tree-scalar-evolution.c: Likewise.
3650         * tree-ssa-address.c: Likewise.
3651         * tree-ssa-alias.h: Likewise.
3652         * tree-ssa-operands.h: Likewise.
3653         * tree.c: Likewise.
3654         * tree.h: Likewise.
3655         * varasm.c: Likewise.
3656         * varray.h: Likewise.
3657         * vec.h: Likewise.
3658         * coretypes.h: Do not define GTY macro if it is already defined.
3659         * doc/gty.texi: Update GTY documentation to new syntax.
3660         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3661         annotations on structs.
3662         * gengtype-parse.c: Likewise.
3663
3664 2009-04-22  Mark Heffernan  <meheff@google.com>
3665
3666         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3667
3668 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3669
3670         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3671         where appropriate.
3672
3673 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3674
3675         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3676         the same as a PLUS without a shift.  Increase the cost of a
3677         CONST_INT in MULT.
3678
3679 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3680
3681         * Makefile.in: Update dependencies.
3682         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3683         * errors.h: Remove bogus comment about compatibility.
3684         (warning): Update declaration.
3685         * genautomata.c: Update all calls to warning.
3686         * gimple.c: Do not include errors.h. Include toplev.h.
3687         * tree-ssa-structalias.c: Do not include errors.h.
3688         * omega.c: Likewise.
3689         * tree-ssa-reassoc.c: Likewise.
3690         * config/spu/spu-c.c: Likewise.
3691         * config/spu/t-spu-elf: Update dependencies.
3692
3693 2009-04-22  Richard Guenther  <rguenther@suse.de>
3694
3695         PR tree-optimization/39824
3696         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3697         make sure the types are compatible.
3698
3699 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3700
3701         PR c++/14875
3702         * c-common.c (c_parse_error): Take a token_flags parameter.
3703         Use token_type for the token type instead.
3704         Pass token_flags to cpp_type2name.
3705         * c-common.h (c_parse_error): Update declaration.
3706         * c-parser.c (c_parser_error): Pass 0 as token flags.
3707
3708 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3709
3710         PR rtl-optimization/39580
3711         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3712         
3713 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3714
3715         * function.c (expand_function_end): Do not emit a jump to the "naked"
3716         return label for fall-through returns.
3717         * except.c (sjlj_emit_function_exit): Always place the call to the
3718         unregister function at the location installed by expand_function_end.
3719
3720 2009-04-22  Richard Guenther  <rguenther@suse.de>
3721
3722         PR tree-optimization/39845
3723         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3724         (gen_inbound_check): Likewise.
3725
3726 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3727
3728         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3729         padding for PPC.
3730         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3731         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3732
3733 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3734
3735         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3736         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3737         shift counts to avoid out-of-bounds array accesses.
3738
3739 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3740
3741         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3742         (Pmode): Move above.
3743
3744 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3745
3746         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3747         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3748         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3749         * config/alpha/alpha.h: Ditto.
3750         * config/alpha/alpha.md: Ditto.
3751         * config/alpha/constraints.md: Ditto.
3752         * config/alpha/predicates.md: Ditto.
3753         
3754 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3755
3756         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3757         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3758         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3759         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3760         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3761         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3762         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3763         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3764         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3765         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3766         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3767         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3768         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3769         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3770         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3771         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3772         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3773         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3774         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3775         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3776         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3777         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3778         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3779         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3780         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3781         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3782         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3783
3784 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3785
3786         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3787         references from comments.
3788         * cfgbuild.c: (count_basic_blocks): Delete.
3789         (find_basic_blocks_1): Delete.
3790         (find_basic_blocks): Delete.
3791         * except.c (finish_eh_generation): Make static.  Move comment from
3792         except.h here.  Remove find_basic_blocks references from comments.
3793         * except.h (finish_eh_generation): Delete.
3794         * basic-block.h (find_basic_blocks): Delete.
3795         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3796
3797 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3798
3799         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3800         (sdbout_parms):  Likewise.
3801
3802 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3803
3804         * config/sh/sh.c (prepare_cbranch_operands): Use
3805         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3806         (expand_cbranchdi4): Likewise.
3807         (from_compare): Add cast to enum type.
3808         (expand_cbranchsi4): Use add_reg_note.
3809         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3810         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3811         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3812         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3813         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3814         instead of CODE_FOR_nothing.
3815         (cbranchdi4): Likewise.  Fix the order of arguments for
3816         gen_rtx_fmt_ee.
3817         (push_fpscr): Use add_reg_note.
3818         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3819         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3820         
3821 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3822
3823         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3824         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3825         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3826         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3827         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3828         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3829         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3830         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3831         config/alpha/x-vms, config/arc/t-arc,
3832         config/arm/README-interworking, config/arm/arm-c.c,
3833         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3834         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3835         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3836         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3837         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3838         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3839         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3840         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3841         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3842         config/cris/t-elfmulti, config/crx/t-crx,
3843         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3844         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3845         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3846         config/h8300/t-h8300, config/i386/athlon.md,
3847         config/i386/darwin-libgcc.10.4.ver,
3848         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3849         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3850         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3851         config/i386/t-linux64, config/i386/t-nwld,
3852         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3853         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3854         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3855         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3856         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3857         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3858         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3859         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3860         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3861         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3862         config/m68k/t-uclinux, config/mcore/t-mcore,
3863         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3864         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3865         config/mips/crtn.asm, config/mips/irix-crti.asm,
3866         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3867         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3868         config/mips/mips-fixed.md, config/mips/sb1.md,
3869         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3870         config/mips/t-iris6, config/mips/t-isa3264,
3871         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3872         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3873         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3874         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3875         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3876         config/mn10300/t-linux, config/mn10300/t-mn10300,
3877         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3878         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3879         config/picochip/libgccExtras/clzsi2.asm,
3880         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3881         config/rs6000/darwin-libgcc.10.4.ver,
3882         config/rs6000/darwin-libgcc.10.5.ver,
3883         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3884         config/rs6000/t-aix43, config/rs6000/t-aix52,
3885         config/rs6000/t-darwin, config/rs6000/t-fprules,
3886         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3887         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3888         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3889         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3890         config/rs6000/t-rtems, config/rs6000/t-spe,
3891         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3892         config/score/t-score-elf, config/sh/divcost-analysis,
3893         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3894         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3895         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3896         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3897         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3898         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3899         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3900         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3901         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3902         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3903         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3904         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3905         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3906         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3907         * config/h8300/genmova.sh: Include copyright and license notices
3908         in generated output.
3909         * config/h8300/mova.md: Regenerate.
3910         * doc/install.texi2html: Include word "Copyright" in copyright
3911         notice and use name "Free Software Foundation, Inc.".
3912         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3913         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3914         ChangeLog-2007, ChangeLog-2008: Correct dates.
3915
3916 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3917
3918         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3919         NE_EXPR operations as well.
3920         * c-parser.c (c_parser_condition): Do not set location information on
3921         the condition.
3922         (c_parser_conditional_expression): Likewise.
3923         (c_parser_binary_expression): Set location information on operators.
3924         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3925         TRUTH_NOT_EXPR has been folded.
3926         * fold-const.c (fold_truth_not_expr): Copy location information from
3927         the incoming expression to the outgoing one.
3928         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3929         recursive calls on the LHS of the operator but pass that of the
3930         operator to recursive calls on the RHS of the operator.  Set it
3931         on the COND_EXPR.
3932         (shortcut_cond_expr): Set the locus of the operator on the second
3933         COND_EXPR and that of the expression on the first in degenerate cases.
3934         Pass the locus of the expression to calls to shortcut_cond_r.
3935         Set the locus of the 'then' block on the associated jump, if any.
3936         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3937         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3938         expression to call to gimplify_boolean_expr.
3939
3940 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3941
3942         * config.gcc: Add additional configuration for
3943         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3944         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3945         (CPP_SPEC): Redefine for allowing -municode option.
3946         (STARTFILE_SPEC): Likewise.
3947         * config/i386/t-mingw-w64: New.
3948         * config/i386/mingw-w64.opt: New.
3949         (municode): Add new target option.
3950         * doc/invoke.texi (municode): Add documentation for new option.
3951
3952 2009-04-21  Ian Lance Taylor  <iant@google.com>
3953
3954         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3955         Correct test for number of arguments.
3956         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3957
3958 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3959
3960         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3961         argument of emit_library_call.
3962
3963 2009-04-21  Richard Guenther  <rguenther@suse.de>
3964
3965         PR middle-end/39829
3966         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3967         inside VIEW_CONVERT_EXPRs.
3968
3969 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3970
3971         * tree-switch-conversion.c (build_constructors): Split a long line.
3972         (constructor_contains_same_values_p): New function.
3973         (build_one_array): Create assigns of constants if possible, do not
3974         call mark_sym_for_renaming, call update_stmt.
3975         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3976         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3977         update_stmt.
3978         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3979         find_new_referenced_vars, call update_stmt.
3980         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3981         instead of calling make_rename_temp.  Do not call
3982         find_new_referenced_vars or mark_symbols_for_renaming, call
3983         update_stmt.
3984
3985 2009-04-21  Richard Guenther  <rguenther@suse.de>
3986
3987         PR tree-optimization/39827
3988         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3989         (tree_ssa_phiprop): Pass the correct array size.
3990
3991 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3992
3993         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3994
3995 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3996
3997         PR 16202
3998         * c-typeck.c (lvalue_p): Move declaration ...
3999         * c-common.h (lvalue_p): ... to here.
4000         * c-common.c (candidate_equal_p): New.
4001         (add_tlist): Use it.
4002         (merge_tlist): Use it.
4003         (warn_for_collisions_1): Likewise.
4004         (warning_candidate_p): Accept more candidates.
4005         (verify_tree): A warning candidate can be an expression. Use
4006         candidate_equal_p.
4007
4008 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4009
4010         PR target/5267
4011         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4012         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4013         options.  Remove -mcall-solaris documentation.
4014
4015 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4016
4017         PR c++/13358
4018         * doc/invoke.texi (-Wlong-long): Update description.
4019         * c-lex (interpret_integer): Only warn if there was no previous
4020         overflow and -Wlong-long is enabled.
4021         * c-decl.c (declspecs_add_type): Drop redundant flags.
4022         * c.opt (Wlong-long): Init to -1.
4023         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4024         and front-end warn_long_long. Wlong-long only depends on other
4025         flags if it is uninitialized.
4026         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4027         the same for CPP and FE.
4028         (restore_extension_diagnostics): Likewise.
4029
4030 2009-04-20  Ian Lance Taylor  <iant@google.com>
4031
4032         Fix enum conversions which are invalid in C++:
4033         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4034         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4035         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4036         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4037         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4038         (dbxout_parms): Likewise.
4039         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4040         (df_clear_flags): Likewise.
4041         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4042         top_flag parameter to int.
4043         (df_chain_create_bb_process_use): Likewise.
4044         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4045         Remove cast.
4046         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4047         (df_ref_create_structure, df_def_record_1): Likewise.
4048         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4049         (df_notes_rescan): Change 0 to VOIDmode in function call.
4050         (df_get_call_refs, df_insn_refs_collect): Likewise.
4051         (df_bb_regs_collect): Likewise.
4052         (df_entry_block_defs_collect): Likewise.
4053         (df_exit_block_uses_collect): Likewise.
4054         * df.h: Update declarations.
4055         * double-int.c (double_int_divmod): Add cast to enum type.
4056         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4057         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4058         (based_loc_descr): Likewise.
4059         (loc_descriptor_from_tree_1): Change first_op and second_op to
4060         enum dwarf_location_atom.  Add cast to enum type.
4061         * expmed.c (init_expmed): Change 0 to SET in function call.
4062         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4063         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4064         (do_store_flag): Likewise.
4065         * fixed-value.h (struct fixed_value): Change mode to enum
4066         machine_mode.
4067         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4068         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4069         function call.
4070         (insert_insn_decl, insert_decl, insert_state): Likewise.
4071         (automata_list_finish): Likewise.
4072         * genrecog.c (process_define_predicate): Add cast to enum type.
4073         * gensupport.c (init_predicate_table): Add cast to enum type.
4074         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4075         function call.
4076         (gimple_build_call_1, gimple_build_label): Likewise.
4077         (gimple_build_goto, gimple_build_asm_1): Likewise.
4078         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4079         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4080         (enum fallback): Rename from enum fallback_t.
4081         (fallback_t): Typedef as int.
4082         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4083         GSI_SAME_STMT in function call.
4084         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4085         enum type.
4086         (setup_reg_class_relations): Likewise.
4087         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4088         (setup_prohibited_class_mode_regs): Add cast to enum type.
4089         (setup_prohibited_mode_move_regs): Likewise.
4090         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4091         (record_address_regs): Change i to enum reg_class.
4092         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4093         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4094         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4095         (GET_MODE_2XWIDER_MODE): Likewise.
4096         (GET_CLASS_NARROWEST_MODE): Likewise.
4097         * omp-low.c (expand_omp_for): Add cast to enum type.
4098         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4099         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4100         * postreload.c (reload_cse_simplify_operands): Change rclass local
4101         to enum reg_class.
4102         * predict.c (combine_predictions_for_insn): Change best_predictor
4103         and predictor to enum br_predictor.
4104         (combine_predictions_for_bb): Likewise.
4105         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4106         use SET_PREDICT_EXPR_OUTCOME.
4107         * real.c (real_arithmetic): Change icode to code in function call.
4108         * reginfo.c (init_move_cost): Add casts to enum type.
4109         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4110         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4111         enum reg_class.
4112         * reload.c (find_valid_class): Add casts to enum type.
4113         (push_reload): Change 0 to NO_REGS in function call.
4114         (find_reloads): Change this_alternative to array of enum
4115         reg_class.  Remove some now-unnecessary casts.
4116         (make_memloc): Change 0 to VOIDmode in function call.
4117         * reload1.c (reload): Change 0 to VOIDmode in function call.
4118         (eliminate_regs_1, elimination_effects): Likewise.
4119         (eliminate_regs_in_insn): Likewise.
4120         (emit_input_reload_insns): Add cast to enum type.
4121         (delete_output_reload): Change 0 to VOIDmode in function call.
4122         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4123         to enum type in function call.
4124         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4125         (SET_PREDICT_EXPR_OUTCOME): Define.
4126         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4127         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4128         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4129         (dump_function): Likewise.
4130         * tree-dump.h: Update declarations.
4131         * tree-pass.h: Update declarations.
4132         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4133         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4134         enum type.
4135         (arm_rtx_costs_1): Correct parenthesization.
4136         (arm_rtx_costs): Add casts to enum type.
4137         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4138         (vfp_emit_fstmd): Use add_rg_note.
4139         (emit_multi_reg_push, emit_sfm): Likewise.
4140         (thumb_set_frame_pointer): Likewise.
4141         (arm_expand_prologue): Likewise.
4142         (arm_regno_class): Change return type to enum reg_class.
4143         (thumb1_expand_prologue): Use add_reg_note.
4144         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4145         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4146         in function call.
4147         * config/arm/gentune.sh: Add cast to enum type.
4148         * config/arm/arm-tune.md: Rebuild.
4149         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4150         (ix86_split_fp_branch, predict_jump): Likewise.
4151         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4152         insn_code to enum rtx_code.
4153         (ix86_builtin_vectorized_function): Add cast to enum type.
4154         * config/i386/i386.md (truncdfsf2): Change slot to enum
4155         ix86_stack_slot.
4156         (truncxf<mode>2, isinf<mode>2): Likewise.
4157         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4158         enum type.
4159         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4160         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4161         (insert_bundle_state): Change 1 to INSERT in function call.
4162         (ia64_add_bundle_selector_before): Likewise.
4163         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4164         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4165         (restore_stack_nonlocal): Likewise.
4166         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4167         function call.
4168         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4169         function call.
4170         (mips_rtx_costs): Likewise.
4171         (mips_override_options): Add casts to enum type.
4172         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4173         in function call.
4174         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4175         (store_reg, set_reg_plus_d): Likewise.
4176         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4177         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4178         cast to enum type.
4179         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4180         function call.
4181         (emit_unlikely_jump): Use add_reg_note.
4182         (rs6000_emit_allocate_stack): Likewise.
4183         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4184         (output_toc): Change 1 to INSERT in function call.
4185         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4186         (rs6000_initialize_trampoline): Likewise.
4187         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4188         function call.
4189         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4190         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4191         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4192         (save_gprs): Use add_reg_note.
4193         (s390_emit_prologue): Likewise.
4194         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4195         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4196         (sparc_fold_builtin): Add cast to enum type.
4197         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4198         enum insn_code.
4199         (spu_expand_prologue): Use add_reg_note.
4200         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4201
4202 2009-04-20  Ian Lance Taylor  <iant@google.com>
4203
4204         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4205         (c_parser_postfix_expression_after_primary): Get VEC for list of
4206         arguments.  Get original types of arguments.  Call
4207         build_function_call_vec.
4208         (cached_expr_list_1, cached_expr_list_2): New static variables.
4209         (c_parser_expr_list): Change return type to VEC *.  Add
4210         p_orig_types parameter.  Change all callers.
4211         (c_parser_release_expr): New static function.
4212         (c_parser_vec_to_tree_list): New static function.
4213         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4214         call build_function_call_vec.
4215         (build_function_call_vec): New function, based on old
4216         build_function_call.
4217         (convert_arguments): Remove nargs and argarray parameters.  Change
4218         values to a VEC.  Add origtypes parameter.
4219         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4220         (convert_for_assignment): Add origtype parameter.  Change all
4221         callers.  If warn_cxx_compat, check for conversion to an enum
4222         type when calling a function.
4223         (store_init_value): Add origtype parameter.  Change all callers.
4224         (digest_init): Likewise.
4225         (struct init_node): Add origtype field.
4226         (add_pending_init): Add origtype parameter.  Change all callers.
4227         (output_init_element): Likewise.
4228         (output_pending_init_elements): Pass origtype from init_node to
4229         output_init_element.
4230         (process_init_element): Pass origtype from c_expr to
4231         output_init_element.
4232         (c_finish_return): Add origtype parameter.  Change all callers.
4233         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4234         caller.
4235         (sync_resolve_params): Likewise.
4236         (sync_resolve_return): Change params to first_param.  Change caller.
4237         (resolve_overloaded_builtins): Change params to VEC *.  Change
4238         callers.  Save first parameter around call to build_function_call_vec.
4239         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4240         callers.  Call build_function_call_vec rather than
4241         build_function_call for cleanup.
4242         * c-tree.h: Update declarations.
4243         * c-common.h: Update declarations.
4244         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4245         params to first_param.
4246         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4247         params parameter from tree to void *.
4248         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4249         Change arglist parameter to have type void *, and to be a pointer
4250         to a VEC.
4251         * config/rs6000/rs6000-protos.h
4252         (altivec_resolve_overloaded_builtin): Update declaration.
4253         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4254         fnargs parameter to have type void *, and to be a pointer to a
4255         VEC.  Call build_function_call_vec instead of
4256         build_function_call.
4257         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4258
4259 2009-04-20  Joey Ye  <joey.ye@intel.com>
4260             Xuepeng Guo  <xuepeng.guo@intel.com>
4261             H.J. Lu  <hongjiu.lu@intel.com>
4262
4263         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4264
4265         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4266         (IX86_LEA_PRIORITY): Likewise.
4267         (distance_non_agu_define): New function.
4268         (distance_agu_use): Likewise.
4269         (ix86_lea_for_add_ok): Likewise.
4270         (ix86_dep_by_shift_count): Likewise.
4271
4272         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4273         should split for LEA.
4274
4275         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4276         function.
4277         (ix86_dep_by_shift_count): Likewise.
4278
4279 2009-04-20  Richard Guenther  <rguenther@suse.de>
4280
4281         * expr.c (handled_component_p): Move ...
4282         * tree.h (handled_component_p): ... here.
4283         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4284         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4285         and REALPART_EXPR to be in one group.
4286
4287 2009-04-20  Richard Guenther  <rguenther@suse.de>
4288
4289         * basic-block.h (get_all_dominated_blocks): Declare.
4290         * dominance.c (get_all_dominated_blocks): New function.
4291         * tree-cfg.c (get_all_dominated_blocks): Remove.
4292         (remove_edge_and_dominated_blocks): Adjust.
4293         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4294         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4295         instead of recursing.
4296
4297 2009-04-20  Doug Kwan  <dougkwan@google.com>
4298
4299         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4300         (struct cgraph_node_set_def): New type.
4301         (cgraph_node_set) New type. Also declare vector functions.
4302         (struct cgraph_node_set_element_def): New type.
4303         (cgraph_node_set_element): Ditto.
4304         (cgraph_node_set_iterator): New iterator type.
4305         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4306         cgraph_node_set_remove, dump_cgraph_node_set,
4307         debug_cgraph_node_set): New prototypes.
4308         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4309         cgraph_node_set_size): New inlines.
4310         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4311         including cgraph.h.
4312         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4313         argument to function 'write_summary'.
4314         * ipa.c: Include ggc.h.
4315         (hash_cgraph_node_set_element,
4316         eq_cgraph_node_set_element, cgraph_node_set_new,
4317         cgraph_node_set_add, cgraph_node_set_remove,
4318         cgraph_node_set_find, dump_cgraph_node_set,
4319         debug_cgraph_node_set): New functions.
4320         * Makefile.in (ipa.o): Add dependency on GGC_H.
4321
4322 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4323
4324         PR tree-optimization/39675
4325         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4326         check of the return code of vect_schedule_slp. Check that
4327         stmt_vec_info still exists for the statement, before checking its
4328         vectorization type.
4329
4330 2009-04-20  Michael Matz  <matz@suse.de>
4331
4332         * Makefile.in (generated_files): Take out $(simple_generated_c).
4333
4334 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4335
4336         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4337         (UINTPTR_TYPE):  Likewise.
4338
4339 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4340
4341         PR c/37481
4342         * c-typeck.c (digest_init): Check for initializing an array with a
4343         string literal.
4344
4345 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4346
4347         PR c/19771
4348         * c-semantics.c (pop_stmt_list): Propagate
4349         STATEMENT_LIST_HAS_LABEL to parent statement list.
4350
4351 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4352
4353         * config/mips/mips.h (mips_tune_attr): New macro.
4354         * config/mips/mips.md (cpu): Use it.
4355
4356 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4357
4358         PR c/38243
4359         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4360         declaring a tag.
4361
4362 2009-04-19  Diego Novillo  <dnovillo@google.com>
4363
4364         * toplev.c (compile_file): Move call to coverage_finish ...
4365         * cgraphunit.c (ipa_passes): ... here.
4366         Call cgraph_process_new_functions.
4367         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4368         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4369
4370 2009-04-19  Jan Hubicka  <jh@suse.cz>
4371
4372         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4373         cfun.
4374         (dump_cgraph_node): Dump can throw external flag.
4375         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4376
4377 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4378
4379         PR c/32061
4380         PR c++/36954
4381         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4382         * common.opt (Wlogical-op): Move from here...
4383         * c.opt (Wlogical-op): ... to here.
4384         * c-typeck.c (parser_build_binary_op): Update call to
4385         warn_logical_operator.
4386         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4387         extra_warnings.
4388         * c-common.c (warn_logical_op): Update.
4389         * c-common.h (warn_logical_op): Update declaration.
4390
4391 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4392
4393         * tree.c (protected_set_expr_location): Fix formatting.
4394
4395 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4396
4397         PR c/27676
4398         * c-typeck.c (readonly_warning): new.
4399         (build_unary_op, build_modify_expr): Use readonly_warning for
4400         storing into something readonly but not const-qualified.
4401
4402 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4403
4404         PR c/22367
4405         * c-typeck.c (build_unary_op): Check for taking address of
4406         expression of type void.
4407
4408 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4409
4410         PR c/35210
4411         * c-typeck.c (build_function_call): Check for calling a function
4412         with qualified void return types.  Call require_complete_type when
4413         generating a trap.
4414
4415 2009-04-18  Jan Hubicka  <jh@suse.cz>
4416
4417         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4418         Set nothrow flag.
4419         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4420         can_throw_external flag.
4421         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4422         * ipa-pure-const.c (ignore_edge): New function.
4423         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4424         only over can_throw_external edges.
4425         (local_pure_const): Add nothrow flag.
4426         * ipa-utils.c (searchc): Add ignore_edge callback.
4427         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4428         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4429         (set_nothrow_function_flags): Update cgraph.
4430         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4431
4432 2009-04-18  Richard Guenther  <rguenther@suse.de>
4433
4434         PR middle-end/39804
4435         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4436         (fold_stmt): ... this and ...
4437         (fold_stmt_inplace): ... this.
4438         (fold_stmt_1): Fold references in calls and asms.
4439         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4440
4441 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4442
4443         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4444         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4445
4446 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4447
4448         * tree.c (function_args_count): Remove.
4449         * tree.h: Remove the prototype for function_args_count.
4450
4451 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4452
4453         * tree-iterator.c (expr_only): Remove.
4454         * tree.h: Remove the prototype for expr_only.
4455
4456 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4457
4458         * reginfo.c (cannot_change_mode_set_regs): Remove.
4459         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4460
4461 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4462
4463         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4464         whether operands 0 and 1 overlaps.
4465
4466 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4467
4468         PR middle-end/36902
4469         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4470         pointer. Use warning_at instead of warning.
4471         (search_for_addr_array): Likewise.
4472         (check_array_bounds): Likewise.
4473         (check_all_array_refs): Check that the incoming edge is not in the
4474         list of edges to be removed.
4475         (check_all_array_refs): Avoid the temporal pointer.
4476         (vrp_visit_cond_stmt): Fix typo.
4477         (simplify_switch_using_ranges): Handle the case where the switch
4478         index is an integer constant.
4479
4480 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4481
4482         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4483
4484 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4485
4486         * doc/extend.texi, doc/invoke.texi: Fix typos.
4487
4488 2009-04-17  Cary Coutant  <ccoutant@google.com>
4489
4490         * tree-flow-inline.h (get_lineno): Fix inverted test.
4491
4492 2009-04-17  Diego Novillo  <dnovillo@google.com>
4493
4494         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4495         assertion for AVAIL_OUT.
4496
4497 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4498
4499         PR target/38627
4500         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4501         * config/sh/linux-atomic.asm: Likewise.
4502
4503 2009-04-17  Diego Novillo  <dnovillo@google.com>
4504
4505         * except.c (debug_eh_tree): New.
4506         (struct eh_region, struct eh_status): Move ...
4507         * except.h: ... here.
4508         (add_type_for_runtime): Declare extern.
4509         (lookup_type_for_runtime): Likewise.
4510         (debug_eh_tree): Declare.
4511         * Makefile.in (GTFILES): List except.h before except.c
4512
4513 2009-04-17  Diego Novillo  <dnovillo@google.com>
4514
4515         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4516         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4517         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4518         (find_vars_r): ... here.
4519         * tree-flow.h (find_referenced_vars_in): Declare.
4520         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4521         that AVAIL_OUT exists for BLOCK.
4522         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4523         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4524         (tree-parloops.o): Likewise.
4525
4526 2009-04-17  Simon Baldwin  <simonb@google.com>
4527
4528         * toplev.c (default_tree_printer): Add handling for %E format.
4529
4530 2009-04-17  Diego Novillo  <dnovillo@google.com>
4531
4532         * tree-pretty-print.c (dump_generic_node): Add break after
4533         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4534         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4535         FUNCTION_TYPE together.  Call print_struct_decl when printing
4536         structures and TDF_SLIM is not given.
4537         (print_struct_decl): Fix logic for detecting recursion.
4538
4539 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4540
4541         PR 31567
4542         * gcc.c (create_at_file): New.
4543         (compile_input_file_p): New.
4544         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4545         * main.c (main): Update call to toplev_main.
4546         * toplev.c (toplev_main): Change signature. Call expandargv.
4547         * toplev.h (toplev_main): Change signature.
4548
4549 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4550
4551         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4552         if the latter is not constant.
4553
4554 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4555
4556         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4557
4558 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4559
4560         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4561         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4562
4563 2009-04-17  Richard Guenther  <rguenther@suse.de>
4564
4565         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4566         Handle component references view-converting an invariant address.
4567
4568 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4569
4570         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4571         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4572         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4573         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4574         Use @deftypevr rather than @deftypevar.
4575
4576 2009-04-17  Richard Guenther  <rguenther@suse.de>
4577
4578         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4579         (get_prop_source_stmt): Likewise.
4580         (can_propagate_from): Likewise.
4581
4582 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4583
4584         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4585         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4586         (--with-multilib-list): Add default value.
4587         * configure: Regenerate.
4588         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4589         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4590         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4591         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4592         Don't add default cpu to multilib list unnecessarily, but do enable
4593         the relevant compiler option..
4594         Add support for --with-multilib-list=<blank> and
4595         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4596         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4597         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4598         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4599         TM_MULTILIB_CONFIG.
4600         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4601         (MULTILIB_OSDIRNAMES): New variable.
4602         * config/sh/t-1e: Delete file.
4603         * config/sh/t-mlib-sh1: Delete file.
4604         * config/sh/t-mlib-sh2: Delete file.
4605         * config/sh/t-mlib-sh2a: Delete file.
4606         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4607         * config/sh/t-mlib-sh2a-single: Delete file.
4608         * config/sh/t-mlib-sh2a-single-only: Delete file.
4609         * config/sh/t-mlib-sh2e: Delete file.
4610         * config/sh/t-mlib-sh3e: Delete file.
4611         * config/sh/t-mlib-sh4: Delete file.
4612         * config/sh/t-mlib-sh4-nofpu: Delete file.
4613         * config/sh/t-mlib-sh4-single: Delete file.
4614         * config/sh/t-mlib-sh4-single-only: Delete file.
4615         * config/sh/t-mlib-sh4a: Delete file.
4616         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4617         * config/sh/t-mlib-sh4a-single: Delete file.
4618         * config/sh/t-mlib-sh4a-single-only: Delete file.
4619         * config/sh/t-mlib-sh4al: Delete file.
4620         * config/sh/t-mlib-sh5-32media: Delete file.
4621         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4622         * config/sh/t-mlib-sh5-64media: Delete file.
4623         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4624         * config/sh/t-mlib-sh5-compact: Delete file.
4625         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4626         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4627         * doc/install.texi (Options specification): Add
4628         --with-multilib-list and --with-endian.
4629
4630 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4631
4632         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4633         REVISION_c.
4634         (OBJS-common): Add plugin-version.o.
4635         (plugin-version.o): New.
4636         * gcc-plugin.h (plugin_gcc_version): New.
4637         (plugin_default_version_check): New.
4638         (plugin_init_func, plugin_init): Add version argument.
4639         * plugin-version.c: New.
4640         * plugin.c (str_plugin_gcc_version_name): New.
4641         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4642         pass it to the init function.
4643         (plugin_default_version_check): New.
4644
4645 2009-04-17  Richard Guenther  <rguenther@suse.de>
4646
4647         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4648         for decl-vs-decl disambiguation.
4649
4650 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4651
4652         * config/s390/s390.h (s390_tune_attr): New macro definition.
4653         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4654
4655 2009-04-17  Richard Guenther  <rguenther@suse.de>
4656
4657         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4658         (fold_stmt_r): Likewise.
4659         (maybe_fold_reference): New function.
4660         (fold_gimple_assign): Handle cases fold_stmt_r did.
4661         (fold_stmt): Do not use fold_stmt_r.
4662         (fold_stmt_inplace): Likewise.
4663
4664 2009-04-17  Richard Guenther  <rguenther@suse.de>
4665
4666         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4667         (record_equivalences_from_stmt): Remove useless checks and
4668         simplifications.
4669         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4670         the type is already suitable.
4671
4672 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4673
4674         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4675
4676 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4677
4678         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4679         (CMPtype): Define as __gcc_CMPtype.
4680
4681 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4682
4683         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4684         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4685
4686 2009-04-17  Richard Guenther  <rguenther@suse.de>
4687
4688         PR tree-optimization/39746
4689         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4690         special-casing for builtins and static variable use/def.
4691         (call_may_clobber_ref_p_1): Likewise.
4692
4693 2009-04-16  Ian Lance Taylor  <iant@google.com>
4694
4695         * df.h: Include "timevar.h".
4696         (struct df_problem): Change tv_id field to timevar_id_t.
4697         * tree-pass.h: Include "timevar.h".
4698         (struct opt_pass): Change tv_id field to timevar_id_t.
4699         * timevar.h (timevar_id_t): Define TV_NONE.
4700         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4701         TV_NONE rather than tv_id != 0.
4702         (execute_one_pass): Likewise.
4703         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4704         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4705         dependencies to $(TREE_PASS_H).
4706         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4707         to TV_NONE.
4708         (pass_branch_target_load_optimize2): Likewise.
4709         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4710         (pass_outof_cfg_layout_mode): Likewise.
4711         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4712         (pass_rebuild_cgraph_edges): Likewise.
4713         (pass_remove_cgraph_callee_edges): Likewise.
4714         * df-core.c (pass_df_initialize_opt): Likewise.
4715         (pass_df_initialize_no_opt): Likewise.
4716         (pass_df_finish): Likewise.
4717         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4718         * except.c (pass_set_nothrow_function_flags): Likewise.
4719         (pass_convert_to_eh_region_ranges): Likewise.
4720         * final.c (pass_compute_alignments): Likewise.
4721         * function.c (pass_instantiate_virtual_regs): Likewise.
4722         (pass_init_function): Likewise.
4723         (pass_leaf_regs): Likewise.
4724         (pass_match_asm_constraints): Likewise.
4725         * gimple-low.c (pass_lower_cf): Likewise.
4726         (pass_mark_used_blocks): Likewise.
4727         * init-regs.c (pass_initialize_regs): Likewise.
4728         * integrate.c (pass_initial_value_sets): Likewise.
4729         * ira.c (pass_ira): Likewise.
4730         * jump.c (pass_cleanup_barriers): Likewise.
4731         * omp-low.c (pass_expand_omp): Likewise.
4732         (pass_lower_omp): Likewise.
4733         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4734         * recog.c (pass_split_all_insns): Likewise.
4735         (pass_split_after_reload): Likewise.
4736         (pass_split_before_regstack): Likewise.
4737         (pass_split_before_sched2): Likewise.
4738         (pass_split_for_shorten_branches): Likewise.
4739         * reginfo.c (pass_reginfo_init): Likewise.
4740         (pass_subregs_of_mode_init): Likewise.
4741         (pass_subregs_of_mode_finish): Likewise.
4742         * passes.c (pass_postreload): Likewise.
4743         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4744         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4745         (pass_warn_function_return): Likewise.
4746         (pass_warn_function_noreturn): Likewise.
4747         * tree-complex.c (pass_lower_complex): Likewise.
4748         (pass_lower_complex_O0): Likewise.
4749         * tree-if-conv.c (pass_if_conversion): Likewise.
4750         * tree-into-ssa.c (pass_build_ssa): Likewise.
4751         * tree-mudflap.c (pass_mudflap_1): Likewise.
4752         (pass_mudflap_2): Likewise.
4753         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4754         (pass_mudflap_2): Likewise.
4755         * tree-nrv.c (pass_return_slot): Likewise.
4756         * tree-object-size.c (pass_object_sizes): Likewise.
4757         * tree-optimize.c (pass_all_optimizations): Likewise.
4758         (pass_early_local_passes): Likewise.
4759         (pass_all_early_optimizations): Likewise.
4760         (pass_cleanup_cfg): Likewise.
4761         (pass_cleanup_cfg_post_optimizing): Likewise.
4762         (pass_free_datastructures): Likewise.
4763         (pass_free_cfg_annotations): Likewise.
4764         (pass_fixup_cfg): Likewise.
4765         (pass_init_datastructures): Likewise.
4766         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4767         (pass_late_warn_uninitialized): Likewise.
4768         (pass_update_address_taken): Likewise.
4769         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4770         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4771         (pass_cse_sincos): Likewise.
4772         (pass_convert_to_rsqrt): Likewise.
4773         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4774         * tree-stdarg.c (pass_stdarg): Likewise.
4775         * tree-tailcall.c (pass_tail_recursion): Likewise.
4776         (pass_tail_calls): Likewise.
4777         * tree-vect-generic.c (pass_lower_vector): Likewise.
4778         (pass_lower_vector_ssa): Likewise.
4779         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4780
4781 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4782
4783         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4784         XLR entry.
4785         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4786         Handle -march=xlr.
4787         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4788         logical and signext.
4789
4790 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4791
4792         PR target/39767
4793         * config/sh/predicates.md (arith_operand): Check if the operand
4794         of TRUNCATE is a REG.
4795
4796 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4797
4798         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4799         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4800
4801 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4802
4803         * tree-iterator.c (tsi_split_statement_list_after,
4804         tsi_split_statement_list_before): Remove.
4805         * tree-iterator.h: Remove the prototypes for
4806         tsi_split_statement_list_after and tsi_split_statement_list_before.
4807
4808 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4809
4810         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4811         * tree-ssa-propagate.h: Remove the prototype for
4812         stmt_makes_single_load.
4813
4814 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4815
4816         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4817         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4818
4819 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4820
4821         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4822
4823 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4824
4825         * except.c (eh_region_outer_p): Remove.
4826         * except.h: Remove the prototype for eh_region_outer_p.
4827
4828 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4829
4830         * function.c (current_function_assembler_name): Remove.
4831         * function.h: Remove the prototype for
4832         current_function_assembler_name.
4833
4834 2009-04-16  Ian Lance Taylor  <iant@google.com>
4835
4836         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4837         (add_reg_note): Call alloc_reg_note.
4838         * rtl.h (alloc_reg_note): Declare.
4839         * combine.c (try_combine): Use alloc_reg_note.
4840         (recog_for_combine, move_deaths): Likewise.
4841         (distribute_notes): Use alloc_reg_note and add_reg_note.
4842         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4843         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4844         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4845
4846 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4847
4848         PR rtl-optimization/39762
4849         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4850         ira_may_move_out_cost): Add comments about way of their usage.
4851         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4852
4853         * ira-conflicts.c (process_regs_for_copy): Use function
4854         ira_get_register_move_cost instead of global
4855         ira_register_move_cost.
4856
4857         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4858         color_pass, move_spill_restore, update_curr_costs): Ditto.
4859
4860         * ira-lives.c (process_single_reg_class_operands): Ditto.
4861
4862         * ira-emit.c (emit_move_list): Ditto.
4863
4864         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4865         (record_reg_classes): Ditto.  Use functions
4866         ira_get_register_move_cost and ira_get_may_move_cost instead of
4867         global vars ira_register_move_cost, ira_may_move_out_cost and
4868         ira_may_move_in_cost.
4869         (record_address_regs): Don't call ira_init_register_move_cost.
4870         Use function ira_get_may_move_cost instead of global
4871         ira_may_move_in_cost.
4872         (process_bb_node_for_hard_reg_moves): Use function
4873         ira_get_register_move_cost instead of global ira_register_move_cost.
4874         (ira_costs): Don't call ira_init_register_move_cost.
4875
4876 2009-04-16  Richard Guenther  <rguenther@suse.de>
4877
4878         * tree-cfg.c (verify_gimple_assign_binary):
4879         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4880         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4881         (create_general_new_stmt): Note that this function is broken.
4882
4883 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4884
4885         * common.opt (fhelp): Add Var(help_flag).
4886         * gcc-plugin.h (plugin_info): Add help.
4887         * plugin.c (plugin_name_args): Add help.
4888         (register_plugin_info): Set plugin->help.
4889         (print_help_one_plugin): New.
4890         (print_plugins_help): New.
4891         * plugin.h (print_plugins_help): New.
4892         * toplev.c (toplev_main): Call print_plugins_help if needed.
4893
4894 2009-04-16  Richard Guenther  <rguenther@suse.de>
4895
4896         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4897         (gimple_ior_addresses_taken_1): New function.
4898         (gimple_ior_addresses_taken): Likewise.
4899         * gimple.h (struct gimple_statement_with_ops_base): Remove
4900         addresses_taken member.
4901         (gimple_ior_addresses_taken): Declare.
4902         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4903         gimple_set_addresses_taken): Remove.
4904         * ipa-reference.c (mark_address): New function.
4905         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4906         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4907         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4908         (gimple_add_to_addresses_taken): Remove.
4909         (get_tmr_operands): Call mark_address_taken.
4910         (get_asm_expr_operands): Likewise.
4911         (get_expr_operands): Likewise.
4912         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4913         (free_stmt_operands): Do not free it.
4914         * tree-ssa.c (delete_tree_ssa): Likewise.
4915         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4916
4917 2009-04-16  Richard Guenther  <rguenther@suse.de>
4918
4919         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4920         (walk_stmt_load_store_ops): Likewise.
4921         * gimple.c (get_base_loadstore): New function.
4922         (walk_stmt_load_store_addr_ops): Likewise.
4923         (walk_stmt_load_store_ops): Likewise.
4924         * ipa-pure-const.c (check_op): Simplify.
4925         (check_load, check_store): New functions.
4926         (check_stmt): Use walk_stmt_load_store_ops.
4927         * ipa-reference.c (mark_load): Adjust signature.
4928         (mark_store): Likewise.
4929         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4930
4931 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4932
4933         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4934         (plugin_info): New.
4935         * opts.c (common_handle_option): Don't call print_version.
4936         * plugin.c (plugin_name_args): Add version.
4937         (register_plugin_info): New.
4938         (register_callback): Handle PLUGIN_INFO.
4939         (try_init_one_plugin): New.
4940         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4941         if failed to init.
4942         (finalize_one_plugin): New.
4943         (finalize_plugins): New.
4944         (print_one_plugin): New.
4945         (print_plugins_versions): New.
4946         * plugin.h (print_plugins_versions): New.
4947         (finalize_plugins): New.
4948         * toplev.c (compile_file): Don't call initialize_plugins.
4949         (print_version): Call print_plugins_versions.
4950         (toplev_main): Call initialize_plugins. Print version if needed.
4951         Call finalize_plugins.
4952
4953 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4954
4955         * common.opt (fversion): New.
4956         * gcc.c (print_version): New.
4957         (process_command): Don't print the version. Just set print_version.
4958         (main): Print version. Call subprocesses if print_version and
4959         verbose_flag are set.
4960         * opts.c (common_handle_option): Handle OPT_fversion.
4961
4962 2009-04-16  Richard Guenther  <rguenther@suse.de>
4963             Ira Rosen  <irar@il.ibm.com>
4964
4965         PR tree-optimization/39698
4966         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4967         type of the reduction variable.  Only generate the def if
4968         it is needed.
4969
4970         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4971         make sure to first convert to an integer of the same precision.
4972         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4973         the type of the evolution correctly in computing the new
4974         induction variable base.
4975
4976 2009-04-16  Richard Guenther  <rguenther@suse.de>
4977
4978         PR middle-end/39625
4979         * tree-cfg.c (make_blocks): Split statements with to-be
4980         abnormal SSA names on the lhs.
4981
4982 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4983
4984         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4985         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4986         * c-typeck.c (really_start_incremental_init): Likewise.
4987         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4988         (TARGET_INITIALIZER): Remove it.
4989         * target.h (struct target): Remove vector_opaque_p.
4990         * tree.c (build_opaque_vector_type): New.
4991         * tree.h (TYPE_VECTOR_OPAQUE): New.
4992         (build_opaque_vector_type): Declare.
4993         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4994         * config/rs6000/rs6000.c (build_opaque_vector_type,
4995         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4996         (rs6000_init_builtins): Use build_opaque_vector_type for
4997         opaque_V4SI_type_node.
4998
4999 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5000
5001         * debug.h (set_name):  Declare.
5002         * dwarf2out.c (dwarf2out_set_name): Declare.
5003         (dwarf2_debug_hooks): Add set_name.
5004         (find_AT_string): New.
5005         (add_AT_string): Call find_AT_string.
5006         (dwarf2out_set_name): New.
5007         * cp/decl.c (grokdeclarator): Call set_name.
5008         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5009         * debug.c (do_nothing_debug_hooks):  Likewise.
5010         * dbxout.c (dbx_debug_hooks): Likewise.
5011         * sdbout.c (sdb_debug_hooks): Likewise.
5012
5013 2009-04-15  Michael Eager  <eager@eagercon.com>
5014
5015         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5016         reg for single-precision FPU.
5017         * config/rs6000/rs6000.md (movsi_internal1): Only for
5018         !TARGET_SINGLE_FPU.
5019         (movsi_internal1_single): New. Add pattern to move SI values to/from
5020         single-precision FP regs.
5021
5022 2009-04-15  Richard Guenther  <rguenther@suse.de>
5023
5024         * omp-low.c (lower_rec_input_clauses): Build correct address
5025         expressions.
5026         (expand_omp_for_generic): Fix multiplication type.
5027         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5028         (generate_memset_zero): Fix types.
5029         * tree-profile.c (prepare_instrumented_value): Correctly
5030         widen a pointer.
5031
5032 2009-04-15  Ian Lance Taylor  <iant@google.com>
5033
5034         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5035         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5036         for -Wall and for -Wc++-compat.
5037         (c_common_post_options): For C++, set warn_enum_compare if not
5038         already set.
5039         * c-tree.h (struct c_expr): Add field original_type.
5040         (build_external_ref): Update declaration.
5041         * c-parser.c (c_parser_braced_init): Set original_type.
5042         (c_parser_initelt): Likewise.
5043         (c_parser_expr_no_commas): Likewise.
5044         (c_parser_conditional_expression): Likewise.
5045         (c_parser_cast_expression): Likewise.
5046         (c_parser_unary_expression): Likewise.  Pull setting of
5047         original_code to top of function.
5048         (c_parser_sizeof_expression): Set original_type.
5049         (c_parser_alignof_expression): Likewise.
5050         (c_parser_postfix_expression): Likewise.  Pull setting of
5051         original_code to top of function.
5052         (c_parser_postfix_expression_after_paren_type): Set original_type.
5053         (c_parser_postfix_expression_after_primary): Likewise.
5054         (c_parser_expression): Likewise.
5055         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5056         callers.
5057         (c_expr_sizeof_expr): Set original_type field.
5058         (parser_build_unary_op): Likewise.
5059         (parser_build_binary_op): Likewise.  Optionally warn about
5060         comparisons of enums of different types.
5061         (digest_init): Set original_type field.
5062         (really_start_incremental_init): Likewise.
5063         (push_init_level, pop_init_level): Likewise.
5064         * doc/invoke.texi (Warning Options): -Wenum-compare now
5065         supported in C.
5066
5067 2009-04-15  Richard Guenther  <rguenther@suse.de>
5068
5069         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5070         out a necessary conversion.
5071         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5072         names we didn't value number.
5073         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5074
5075 2009-04-15  Richard Guenther  <rguenther@suse.de>
5076
5077         PR tree-optimization/39764
5078         * tree-ssa-ccp.c (get_value): Canonicalize value with
5079         canonicalize_float_value.
5080
5081 2009-04-15  Jan Hubicka  <jh@suse.cz>
5082
5083         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5084         Wrong version of patch.
5085
5086 2009-04-15  Jan Hubicka  <jh@suse.cz>
5087
5088         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5089
5090 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5091
5092         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5093         our distinct integral and vector types.
5094
5095 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5096
5097         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5098         * init.c (build_vtbl_address): Remove call to assemble_external.
5099
5100 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5101
5102         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5103         output for other floating point modes.
5104
5105 2009-04-14  Diego Novillo  <dnovillo@google.com>
5106
5107         * diagnostic.c (diagnostic_report_diagnostic): Do not
5108         warn about loaded plugins for DK_ERROR and DK_WARNING.
5109         * c-decl.c (declspecs_add_type): Move call to
5110         invoke_plugin_callbacks ...
5111         * c-parser.c (c_parser_declspecs): ... here.
5112         * plugin.c (dump_active_plugins): Tidy output.
5113
5114 2009-04-14  Diego Novillo  <dnovillo@google.com>
5115             Le-Chun Wu  <lcwu@google.com>
5116
5117         * configure.ac: Add --enable-plugin support.
5118         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5119         * Makefile.in (PLUGIN_H): Define.
5120         Export ENABLE_PLUGIN and GMPINC to site.exp.
5121         Add PLUGINLIBS to link command.
5122         Add/modify dependencies for plugin.o and files including plugin.h.
5123         (plugin.o): New.
5124         * config.in: Regenerate.
5125
5126         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5127         OPT_fplugin_arg_.
5128
5129 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5130
5131         * tree-pass.h (register_one_dump_file): Add a prototype for
5132         register_one_dump_file.
5133         * toplev.c (compile_file): Call initialize_plugins.
5134         (do_compile): Call invoke_plugin_callbacks.
5135         (toplev_main): Call invoke_plugin_callbacks.
5136         * common.opt: Add -fplugin= and -fplugin-arg-.
5137         * gcc-plugin.h: New public header file for plugins to include.
5138         * plugin.c: New source file.
5139         * plugin.h: New internal header file.
5140         * passes.c (register_one_dump_file): Make it external.
5141
5142         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5143
5144 2009-04-14  Diego Novillo  <dnovillo@google.com>
5145
5146         * doc/plugins.texi: New.
5147         * doc/gccint.texi: Add reference to Plugins chapter.
5148         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5149         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5150         loaded plugins, if any.
5151         * timevar.def (TV_PLUGIN_INIT): Define.
5152         (TV_PLUGIN_RUN): Define.
5153         * plugin.c: Include timevar.h
5154         (plugins_active_p): New.
5155         (dump_active_plugins): New.
5156         (debug_active_plugins): New.
5157
5158 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5159
5160         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5161         library paths.
5162         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5163
5164 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5165
5166         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5167         the same as a minus without a shift.
5168
5169 2009-04-14  Nick Clifton  <nickc@redhat.com>
5170
5171         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5172         comparisons with small integers will always produce a short
5173         branch.
5174
5175 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5176
5177         Merge:
5178         2008-12-19  Diego Novillo  <dnovillo@google.com>
5179
5180         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5181
5182 2009-04-14  Richard Guenther  <rguenther@suse.de>
5183
5184         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5185         verification.
5186         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5187         rotates correctly.
5188         (verify_gimple_phi): Print the mismatched argument position.
5189         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5190         Fix types.
5191         (vect_update_init_of_dr): Likewise.
5192         * matrix-reorg.c (transform_access_sites): Do what the
5193         comment suggests.
5194         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5195
5196 2009-04-13  Michael Eager  <eager@eagercon.com>
5197
5198         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5199         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5200         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5201         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5202         remove duplicate config
5203
5204 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5205
5206         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5207         file_name:line_number type locator of the call site.
5208
5209 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5210
5211         * genautomata.c: Put blank after comma.
5212         (automaton_decls): New.
5213         (struct unit_usage): Add comments to member next.
5214         (store_alt_unit_usage): Keep the list ordered.
5215         (unit_present_on_list_p, equal_alternatives_p): New.
5216         (check_regexp_units_distribution): Check units distribution
5217         correctness correctly.
5218         (main): Don't write automata if error is found.  Return correct
5219         exit code.
5220
5221         * config/m68k/cf.md (cfv4_ds): Remove.
5222         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5223         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5224
5225         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5226         power4-load-ext, power4-store, power4-store-update,
5227         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5228         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5229         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5230         power4-sqrt, power4-isync): Modify reservation to make correct
5231         unit distribution to automata.
5232
5233         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5234         power5-store-update, power5-two, power5-three, power5-lmul,
5235         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5236
5237 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5238
5239         * except.c (pass_set_nothrow_function_flags): Set name and add
5240         TODO_dump_func.
5241         (set_nothrow_function_flags): Mention in the dump file when
5242         changing a function to nothrow.
5243
5244 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5245
5246         PR/39066
5247         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5248         instead of unsigned long.
5249
5250 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5251
5252         * config/arm/arm.c (return_used_this_function): Remove.
5253         (arm_output_function_prologue): Remove use of
5254         return_used_this_function.
5255         (output_return_instruction): Replace use of
5256         return_used_this_function
5257         by cfun->machine->return_used_this_function.
5258         (arm_output_epilogue): Likewise.
5259         (arm_output_function_epilogue): Likewise.
5260         (thumb_unexpanded_epilogue): Likewise.
5261         * config/arm/arm.h (struct machine_function):
5262         New member return_used_this_function.
5263
5264 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5265
5266         * doc/install.texi: Correct description of default directory for
5267         --with-gxx-include-dir.
5268
5269 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5270
5271         * fold-const.c (build_range_check): Properly deal with enumeral and
5272         boolean base types.
5273
5274 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5275
5276         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5277         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5278         * params.h (MAX_GCSE_PASSES): Remove.
5279         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5280         in sequence.  Remove ability to run multiple passes.
5281         (bypass_jumps): Report run as third CPROP pass.
5282
5283 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5284
5285         PR middle-end/39651
5286         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5287         when deciding whether the whole SEQUENCE can throw.
5288
5289 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5290
5291         PR target/39740
5292         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5293         offseted label references.
5294
5295 2009-04-11  Jan Hubicka  <jh@suse.cz>
5296
5297         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5298
5299 2009-04-11  Richard Guenther  <rguenther@suse.de>
5300
5301         PR middle-end/39732
5302         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5303         return variables as TREE_ADDRESSABLE.
5304
5305 2009-04-11  Richard Guenther  <rguenther@suse.de>
5306
5307         PR tree-optimization/39713
5308         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5309         reference trees have SSA_NAME operands.
5310
5311 2009-04-11  Richard Guenther  <rguenther@suse.de>
5312
5313         PR c/39712
5314         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5315         address expressions.
5316
5317 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5318
5319         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5320         match changes in Cygwin 1.7
5321         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5322         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5323
5324 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5325
5326         PR tree-optimization/39701
5327         * doc/invoke.texi (Optimization Options): Document change in
5328         meaning and initialization of -fdelete-null-pointer-checks.
5329
5330 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5331
5332         PR middle-end/39701
5333         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5334
5335         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5336         here.
5337
5338         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5339
5340 2009-04-10  Chao-ying Fu  <fu@mips.com>
5341
5342         * doc/tm.texi (Instruction Output): Document
5343         TARGET_ASM_FINAL_POSTSCAN_INSN.
5344         * target.h (final_postscan_insn): New field in asm_out.
5345         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5346         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5347         * final.c (final_scan_insn): Call
5348         targetm.asm_out.final_postscan_insn after outputting
5349         an asm macro and a normal instruction.
5350
5351         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5352         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5353         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5354         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5355         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5356
5357 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5358
5359         PR middle-end/39701
5360         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5361         variables as non-NULL even with -fdelete-null-pointer-checks.
5362
5363 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5364
5365         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5366
5367 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5368
5369         PR target/39678
5370         * config/i386/i386.c (classify_argument): Handle SCmode with
5371         (bit_offset % 64) != 0.
5372
5373 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5374
5375         * doc/invoke.texi (Optimize Options): Add cross-reference to
5376         -Q --help=optimizers examples.
5377
5378 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5379
5380         PR target/36800
5381         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5382         regalign for the reg == fpr and TDmode case.
5383
5384 2009-04-09  David Ayers  <ayers@fsfe.org>
5385
5386         PR objc/29200
5387         * objc/objc-act.c (warn_with_method): Remove helper function.
5388         (check_duplicates): Call warning and inform directly.
5389         (really_start_method): Likewise.
5390
5391 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5392
5393         * expmed.c (expand_divmod): Always use a comparison for a division
5394         by a large unsigned integer.
5395
5396         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5397         for things others than variables or functions as nonzero.
5398
5399 2009-04-09  Nick Clifton  <nickc@redhat.com>
5400
5401         * unwind-compat.c: Change copyright header to refer to version
5402         3 of the GNU General Public License with version 3.1 of the
5403         GCC Runtime Library Exception and to point readers at the
5404         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5405         * config/alpha/crtfastmath.c: Likewise.
5406         * config/alpha/linux-unwind.h: Likewise.
5407         * config/alpha/qrnnd.asm: Likewise.
5408         * config/alpha/vms-crt0-64.c: Likewise.
5409         * config/alpha/vms-crt0.c: Likewise.
5410         * config/alpha/vms-dwarf2.asm: Likewise.
5411         * config/alpha/vms-dwarf2eh.asm: Likewise.
5412         * config/alpha/vms-psxcrt0-64.c: Likewise.
5413         * config/alpha/vms-psxcrt0.c: Likewise.
5414         * config/alpha/vms_tramp.asm: Likewise.
5415         * config/arc/initfini.c: Likewise.
5416         * config/arc/lib1funcs.asm: Likewise.
5417         * config/arm/bpabi-v6m.S: Likewise.
5418         * config/arm/bpabi.S: Likewise.
5419         * config/arm/bpabi.c: Likewise.
5420         * config/arm/crti.asm: Likewise.
5421         * config/arm/crtn.asm: Likewise.
5422         * config/arm/ieee754-df.S: Likewise.
5423         * config/arm/ieee754-sf.S: Likewise.
5424         * config/arm/lib1funcs.asm: Likewise.
5425         * config/arm/libunwind.S: Likewise.
5426         * config/arm/linux-atomic.c: Likewise.
5427         * config/arm/mmintrin.h: Likewise.
5428         * config/arm/pr-support.c: Likewise.
5429         * config/arm/unaligned-funcs.c: Likewise.
5430         * config/arm/unwind-arm.c: Likewise.
5431         * config/arm/unwind-arm.h: Likewise.
5432         * config/avr/libgcc.S: Likewise.
5433         * config/bfin/crti.s: Likewise.
5434         * config/bfin/crtlibid.s: Likewise.
5435         * config/bfin/crtn.s: Likewise.
5436         * config/bfin/lib1funcs.asm: Likewise.
5437         * config/bfin/linux-unwind.h: Likewise.
5438         * config/cris/arit.c: Likewise.
5439         * config/cris/cris_abi_symbol.c: Likewise.
5440         * config/darwin-64.c: Likewise.
5441         * config/darwin-crt2.c: Likewise.
5442         * config/darwin-crt3.c: Likewise.
5443         * config/darwin.h: Likewise.
5444         * config/dbxelf.h: Likewise.
5445         * config/dfp-bit.c: Likewise.
5446         * config/dfp-bit.h: Likewise.
5447         * config/elfos.h: Likewise.
5448         * config/fixed-bit.c: Likewise.
5449         * config/fixed-bit.h: Likewise.
5450         * config/fp-bit.c: Likewise.
5451         * config/fp-bit.h: Likewise.
5452         * config/fr30/crti.asm: Likewise.
5453         * config/fr30/crtn.asm: Likewise.
5454         * config/fr30/lib1funcs.asm: Likewise.
5455         * config/freebsd-spec.h: Likewise.
5456         * config/frv/cmovd.c: Likewise.
5457         * config/frv/cmovh.c: Likewise.
5458         * config/frv/cmovw.c: Likewise.
5459         * config/frv/frvbegin.c: Likewise.
5460         * config/frv/frvend.c: Likewise.
5461         * config/frv/lib1funcs.asm: Likewise.
5462         * config/glibc-stdint.h: Likewise.
5463         * config/h8300/clzhi2.c: Likewise.
5464         * config/h8300/crti.asm: Likewise.
5465         * config/h8300/crtn.asm: Likewise.
5466         * config/h8300/ctzhi2.c: Likewise.
5467         * config/h8300/fixunssfsi.c: Likewise.
5468         * config/h8300/lib1funcs.asm: Likewise.
5469         * config/h8300/parityhi2.c: Likewise.
5470         * config/h8300/popcounthi2.c: Likewise.
5471         * config/i386/ammintrin.h: Likewise.
5472         * config/i386/att.h: Likewise.
5473         * config/i386/avxintrin.h: Likewise.
5474         * config/i386/biarch64.h: Likewise.
5475         * config/i386/bmmintrin.h: Likewise.
5476         * config/i386/cpuid.h: Likewise.
5477         * config/i386/cross-stdarg.h: Likewise.
5478         * config/i386/crtfastmath.c: Likewise.
5479         * config/i386/crtprec.c: Likewise.
5480         * config/i386/cygming-crtbegin.c: Likewise.
5481         * config/i386/cygming-crtend.c: Likewise.
5482         * config/i386/cygwin.asm: Likewise.
5483         * config/i386/emmintrin.h: Likewise.
5484         * config/i386/gmm_malloc.h: Likewise.
5485         * config/i386/gthr-win32.c: Likewise.
5486         * config/i386/i386.h: Likewise.
5487         * config/i386/immintrin.h: Likewise.
5488         * config/i386/linux-unwind.h: Likewise.
5489         * config/i386/linux64.h: Likewise.
5490         * config/i386/mm3dnow.h: Likewise.
5491         * config/i386/mmintrin-common.h: Likewise.
5492         * config/i386/mmintrin.h: Likewise.
5493         * config/i386/nmmintrin.h: Likewise.
5494         * config/i386/pmm_malloc.h: Likewise.
5495         * config/i386/pmmintrin.h: Likewise.
5496         * config/i386/smmintrin.h: Likewise.
5497         * config/i386/sol2-c1.asm: Likewise.
5498         * config/i386/sol2-ci.asm: Likewise.
5499         * config/i386/sol2-cn.asm: Likewise.
5500         * config/i386/sol2-gc1.asm: Likewise.
5501         * config/i386/tmmintrin.h: Likewise.
5502         * config/i386/unix.h: Likewise.
5503         * config/i386/w32-unwind.h: Likewise.
5504         * config/i386/wmmintrin.h: Likewise.
5505         * config/i386/x86-64.h: Likewise.
5506         * config/i386/x86intrin.h: Likewise.
5507         * config/i386/xmmintrin.h: Likewise.
5508         * config/ia64/crtbegin.asm: Likewise.
5509         * config/ia64/crtend.asm: Likewise.
5510         * config/ia64/crtfastmath.c: Likewise.
5511         * config/ia64/crti.asm: Likewise.
5512         * config/ia64/crtn.asm: Likewise.
5513         * config/ia64/fde-glibc.c: Likewise.
5514         * config/ia64/lib1funcs.asm: Likewise.
5515         * config/ia64/linux-unwind.h: Likewise.
5516         * config/ia64/quadlib.c: Likewise.
5517         * config/ia64/unwind-ia64.c: Likewise.
5518         * config/linux.h: Likewise.
5519         * config/m32c/m32c-lib1.S: Likewise.
5520         * config/m32c/m32c-lib2-trapv.c: Likewise.
5521         * config/m32c/m32c-lib2.c: Likewise.
5522         * config/m32r/initfini.c: Likewise.
5523         * config/m68hc11/larith.asm: Likewise.
5524         * config/m68hc11/m68hc11-crt0.S: Likewise.
5525         * config/m68k/cf.md: Likewise.
5526         * config/m68k/crti.s: Likewise.
5527         * config/m68k/crtn.s: Likewise.
5528         * config/m68k/lb1sf68.asm: Likewise.
5529         * config/m68k/linux-unwind.h: Likewise.
5530         * config/mcore/crti.asm: Likewise.
5531         * config/mcore/crtn.asm: Likewise.
5532         * config/mcore/lib1.asm: Likewise.
5533         * config/mips/linux-unwind.h: Likewise.
5534         * config/mips/loongson.h: Likewise.
5535         * config/mips/mips16.S: Likewise.
5536         * config/mmix/crti.asm: Likewise.
5537         * config/mmix/crtn.asm: Likewise.
5538         * config/pa/fptr.c: Likewise.
5539         * config/pa/hpux-unwind.h: Likewise.
5540         * config/pa/lib2funcs.asm: Likewise.
5541         * config/pa/linux-atomic.c: Likewise.
5542         * config/pa/linux-unwind.h: Likewise.
5543         * config/pa/milli64.S: Likewise.
5544         * config/pa/quadlib.c: Likewise.
5545         * config/pa/stublib.c: Likewise.
5546         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5547         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5548         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5549         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5550         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5551         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5552         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5553         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5554         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5555         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5556         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5557         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5558         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5559         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5560         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5561         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5562         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5563         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5564         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5565         * config/rs6000/750cl.h: Likewise.
5566         * config/rs6000/altivec.h: Likewise.
5567         * config/rs6000/biarch64.h: Likewise.
5568         * config/rs6000/crtresfpr.asm: Likewise.
5569         * config/rs6000/crtresgpr.asm: Likewise.
5570         * config/rs6000/crtresxfpr.asm: Likewise.
5571         * config/rs6000/crtresxgpr.asm: Likewise.
5572         * config/rs6000/crtsavfpr.asm: Likewise.
5573         * config/rs6000/crtsavgpr.asm: Likewise.
5574         * config/rs6000/darwin-asm.h: Likewise.
5575         * config/rs6000/darwin-fallback.c: Likewise.
5576         * config/rs6000/darwin-fpsave.asm: Likewise.
5577         * config/rs6000/darwin-ldouble.c: Likewise.
5578         * config/rs6000/darwin-tramp.asm: Likewise.
5579         * config/rs6000/darwin-unwind.h: Likewise.
5580         * config/rs6000/darwin-vecsave.asm: Likewise.
5581         * config/rs6000/darwin-world.asm: Likewise.
5582         * config/rs6000/e500crtres32gpr.asm: Likewise.
5583         * config/rs6000/e500crtres64gpr.asm: Likewise.
5584         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5585         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5586         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5587         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5588         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5589         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5590         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5591         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5592         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5593         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5594         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5595         * config/rs6000/eabi-ci.asm: Likewise.
5596         * config/rs6000/eabi-cn.asm: Likewise.
5597         * config/rs6000/eabi.asm: Likewise.
5598         * config/rs6000/linux-unwind.h: Likewise.
5599         * config/rs6000/linux64.h: Likewise.
5600         * config/rs6000/paired.h: Likewise.
5601         * config/rs6000/paired.md: Likewise.
5602         * config/rs6000/ppc64-fp.c: Likewise.
5603         * config/rs6000/ppu_intrinsics.h: Likewise.
5604         * config/rs6000/rs6000.h: Likewise.
5605         * config/rs6000/si2vmx.h: Likewise.
5606         * config/rs6000/sol-ci.asm: Likewise.
5607         * config/rs6000/sol-cn.asm: Likewise.
5608         * config/rs6000/spe.h: Likewise.
5609         * config/rs6000/spu2vmx.h: Likewise.
5610         * config/rs6000/sysv4.h: Likewise.
5611         * config/rs6000/tramp.asm: Likewise.
5612         * config/rs6000/vec_types.h: Likewise.
5613         * config/s390/linux-unwind.h: Likewise.
5614         * config/s390/tpf-unwind.h: Likewise.
5615         * config/score/crti.asm: Likewise.
5616         * config/score/crtn.asm: Likewise.
5617         * config/sh/crt1.asm: Likewise.
5618         * config/sh/crti.asm: Likewise.
5619         * config/sh/crtn.asm: Likewise.
5620         * config/sh/divtab-sh4-300.c: Likewise.
5621         * config/sh/divtab-sh4.c: Likewise.
5622         * config/sh/divtab.c: Likewise.
5623         * config/sh/lib1funcs-4-300.asm: Likewise.
5624         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5625         * config/sh/lib1funcs.asm: Likewise.
5626         * config/sh/lib1funcs.h: Likewise.
5627         * config/sh/linux-atomic.asm: Likewise.
5628         * config/sh/linux-unwind.h: Likewise.
5629         * config/sh/shmedia.h: Likewise.
5630         * config/sh/sshmedia.h: Likewise.
5631         * config/sh/ushmedia.h: Likewise.
5632         * config/sparc/crtfastmath.c: Likewise.
5633         * config/sparc/linux-unwind.h: Likewise.
5634         * config/sparc/sol2-c1.asm: Likewise.
5635         * config/sparc/sol2-ci.asm: Likewise.
5636         * config/sparc/sol2-cn.asm: Likewise.
5637         * config/spu/divmodti4.c: Likewise.
5638         * config/spu/divv2df3.c: Likewise.
5639         * config/spu/float_disf.c: Likewise.
5640         * config/spu/float_unsdidf.c: Likewise.
5641         * config/spu/float_unsdisf.c: Likewise.
5642         * config/spu/float_unssidf.c: Likewise.
5643         * config/spu/mfc_multi_tag_release.c: Likewise.
5644         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5645         * config/spu/mfc_tag_release.c: Likewise.
5646         * config/spu/mfc_tag_reserve.c: Likewise.
5647         * config/spu/mfc_tag_table.c: Likewise.
5648         * config/spu/multi3.c: Likewise.
5649         * config/spu/spu_internals.h: Likewise.
5650         * config/spu/spu_intrinsics.h: Likewise.
5651         * config/spu/spu_mfcio.h: Likewise.
5652         * config/spu/vec_types.h: Likewise.
5653         * config/spu/vmx2spu.h: Likewise.
5654         * config/stormy16/stormy16-lib2.c: Likewise.
5655         * config/svr4.h: Likewise.
5656         * config/sync.c: Likewise.
5657         * config/v850/lib1funcs.asm: Likewise.
5658         * config/vxlib-tls.c: Likewise.
5659         * config/vxlib.c: Likewise.
5660         * config/vxworks-dummy.h: Likewise.
5661         * config/xtensa/crti.asm: Likewise.
5662         * config/xtensa/crtn.asm: Likewise.
5663         * config/xtensa/ieee754-df.S: Likewise.
5664         * config/xtensa/ieee754-sf.S: Likewise.
5665         * config/xtensa/lib1funcs.asm: Likewise.
5666         * config/xtensa/lib2funcs.S: Likewise.
5667         * config/xtensa/linux-unwind.h: Likewise.
5668         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5669         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5670         * coretypes.h: Likewise.
5671         * crtstuff.c: Likewise.
5672         * defaults.h: Likewise.
5673         * dwarf2.h: Likewise.
5674         * emutls.c: Likewise.
5675         * gbl-ctors.h: Likewise.
5676         * gcov-io.h: Likewise.
5677         * ginclude/float.h: Likewise.
5678         * ginclude/iso646.h: Likewise.
5679         * ginclude/stdarg.h: Likewise.
5680         * ginclude/stdbool.h: Likewise.
5681         * ginclude/stddef.h: Likewise.
5682         * ginclude/stdfix.h: Likewise.
5683         * ginclude/stdint-gcc.h: Likewise.
5684         * ginclude/tgmath.h: Likewise.
5685         * gthr-aix.h: Likewise.
5686         * gthr-dce.h: Likewise.
5687         * gthr-gnat.c: Likewise.
5688         * gthr-gnat.h: Likewise.
5689         * gthr-lynx.h: Likewise.
5690         * gthr-mipssde.h: Likewise.
5691         * gthr-nks.h: Likewise.
5692         * gthr-posix.c: Likewise.
5693         * gthr-posix.h: Likewise.
5694         * gthr-posix95.h: Likewise.
5695         * gthr-rtems.h: Likewise.
5696         * gthr-single.h: Likewise.
5697         * gthr-solaris.h: Likewise.
5698         * gthr-tpf.h: Likewise.
5699         * gthr-vxworks.h: Likewise.
5700         * gthr-win32.h: Likewise.
5701         * gthr.h: Likewise.
5702         * libgcc2.c: Likewise.
5703         * libgcc2.h: Likewise.
5704         * libgcov.c: Likewise.
5705         * tsystem.h: Likewise.
5706         * typeclass.h: Likewise.
5707         * unwind-c.c: Likewise.
5708         * unwind-compat.h: Likewise.
5709         * unwind-dw2-fde-compat.c: Likewise.
5710         * unwind-dw2-fde-darwin.c: Likewise.
5711         * unwind-dw2-fde-glibc.c: Likewise.
5712         * unwind-dw2-fde.c: Likewise.
5713         * unwind-dw2-fde.h: Likewise.
5714         * unwind-dw2.c: Likewise.
5715         * unwind-dw2.h: Likewise.
5716         * unwind-generic.h: Likewise.
5717         * unwind-pe.h: Likewise.
5718         * unwind-sjlj.c: Likewise.
5719         * unwind.inc: Likewise.
5720         * config/arm/neon-gen.ml: Change generated copyright header to
5721         refer to version 3 of the GNU General Public License with
5722         version 3.1 of the GCC Runtime Library Exception and to point
5723         readers at the COPYING3 and COPYING3.RUNTIME files and the
5724         FSF's license web page.
5725         * config/arm/arm_neon.h: Regenerate.
5726
5727 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5728
5729         * config/cris/cris.md: Change copyright header to refer to version
5730         3 of the GNU General Public License.
5731         * doc/install.texi2html: Change copyright header to refer to version
5732         3 of the GNU General Public License and to point readers at the
5733         COPYING3 file and the FSF's license web page.
5734         * config/vax/linux.h: Likewise.
5735
5736 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5737
5738         * config/i386/i386.md (cmpcc): New.
5739         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5740         (sync_compare_and_swap_cc*): Delete.
5741
5742         * config/s390/s390.c (s390_compare_emitted): Remove.
5743         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5744         s390_compare_emitted used to be handled.  Assert that modes match.
5745         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5746         refer to sync_compare_and_swap_ccsi.
5747         * config/s390/s390.h (s390_compare_emitted): Remove.
5748         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5749         instead of s390_compare_emitted.
5750         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5751         instead of s390_compare_emitted.
5752         * config/s390/s390.md (cmpcc): New.
5753         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5754         CC_REGNUM, do not pretend it's set.
5755         (sync_compare_and_swap_cc*): Delete.
5756         * config/s390/predicates.md (cc_reg_operand): New.
5757
5758         * expr.c (sync_compare_and_swap_cc): Delete.
5759         * optabs.h (sync_compare_and_swap_cc): Delete.
5760         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5761         is being used with can_compare_p.
5762         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5763         (find_cc_set): New.
5764         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5765         look for a MODE_CC set instead.  Use emit_store_flag.
5766         (expand_compare_and_swap_loop): Likewise, with some additional
5767         complication to avoid a force_reg when useless.  Use
5768         emit_cmp_and_jump_insns.
5769         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5770         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5771         sync_compare_and_swap documentation.
5772
5773 2009-04-09  Jan Hubicka  <jh@suse.cz>
5774
5775         * except.c (find_prev_try): Break out from ....
5776         (duplicate_eh_regions): ... here; properly update prev_try pointers
5777         when duplication part of tree.
5778         (dump_eh_tree): Improve dumping.
5779         (verify_eh_region): New.
5780         (verify_eh_tree): Use it.
5781
5782 2009-04-06  Richard Guenther  <rguenther@suse.de>
5783
5784         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5785         &ARRAY addresses by adjusting their types and prepending
5786         a conversion.
5787         * tree-cfg.c (verify_gimple_assign_single): Verify that
5788         addresses are correct.
5789
5790 2009-04-09  Richard Guenther  <rguenther@suse.de>
5791
5792         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5793         indices into an array reference if possible.
5794         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5795         Fold POINTER_PLUS_EXPR statements with invariant address.
5796
5797 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5798
5799         PR target/39634
5800         * config.gcc (powerpc64-*-linux*): Always build biarch.
5801
5802 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5803
5804         PR c/39613
5805         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5806         it and pedwarn if this results in an INTEGER_CST.
5807
5808 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5809
5810         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5811         text in MPFR section.
5812
5813 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5814
5815         * dwarf2out.c (class_scope_p): New static inline.
5816         (class_or_namespace_scope_p): Use it.
5817         (gen_variable_die): Use DW_TAG_member tag for static data member
5818         declarations instead of DW_TAG_variable.
5819
5820         PR middle-end/39573
5821         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5822         variables.
5823
5824 2009-04-08  Richard Guenther  <rguenther@suse.de>
5825
5826         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5827         valueize random data.
5828
5829 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5830
5831         * config.gcc (aix tm_file):  Add aix-stdint.h.
5832         (aix tm clause use_gcc_stdint):  Set to wrap.
5833         * config/rs6000/aix-stdint.h:  New file.
5834
5835 2009-04-08  Richard Guenther  <rguenther@suse.de>
5836
5837         PR middle-end/36291
5838         * tree-dfa.c (add_referenced_var): Do not recurse into
5839         global initializers.
5840         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5841         exposed variables.
5842         (fold_const_aggregate_ref): Likewise.
5843
5844 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5845
5846         * recog.c (ordered_comparison_operator): New.
5847         * gensupport.c (std_preds): Add it.
5848         * doc/md.texi (Machine-Independent Predicates): Document it.
5849
5850 2009-04-08  Jan Hubicka  <jh@suse.cz>
5851
5852         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5853         * function.h (rtl_eh): Remove exception_handler_label_map.
5854         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5855         remove_exception_handler_label, for_each_eh_label_1): Remove.
5856         (rtl_remove_unreachable_regions): Remove.
5857         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5858         (find_exception_handler_labels): Don't build the hashtable.
5859         (maybe_remove_eh_handler): Remove.
5860         (for_each_eh_label): Rewrite to walk the tree.
5861         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5862         * except.h (maybe_remove_eh_handler): Remove.
5863         * passes.c (init_optimization_passes): Schedule second EH cleanup
5864         before out-of-ssa.
5865         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5866         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5867
5868 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5869
5870         * genoutput.c (validate_optab_operands): New.
5871         (gen_insn, gen_expand): Call it.
5872
5873         * genflags.c (gen_insn): Detect misused iterators.
5874         (main): Pass line_no to gen_insn, exit with status 1 on error.
5875
5876         * genextract.c (line_no): Make global.
5877         (VEC_safe_set_locstr): Change assertion to error message.
5878         (main): Exit with status 1 on error.
5879
5880 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5881
5882         PR c/39614
5883         PR c/39673
5884         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5885         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5886         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5887         * c-convert.c (convert): Do not call fold on results of conversion
5888         functions when the result is a C_MAYBE_CONST_EXPR.
5889         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5890         of __builtin_choose_expr.
5891         * c-typeck.c (remove_c_maybe_const_expr): New.
5892         (build_unary_op, build_conditional_expr, build_compound_expr,
5893         build_binary_op, c_objc_common_truthvalue_conversion): Call
5894         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5895         integer operands.
5896
5897 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5898
5899         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5900         CODE to produce a new one. Add a prototype to use fold_convert_const
5901
5902 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5903
5904         PR bootstrap/39660
5905         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5906         mix declarations and code.
5907
5908 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5909
5910         * gcc.c: Replace `CC' with `GCC' throughout.
5911
5912 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5913
5914         * doc/invoke.texi: Document Atom support.
5915
5916 2009-04-07  Jason Merrill  <jason@redhat.com>
5917
5918         PR c++/25185
5919         * c-common.h, c-common.c: Add flag_pretty_templates.
5920         * c-opts.c (c_common_handle_option): Set it.
5921         * c.opt: Add -fno-pretty-templates.
5922         * doc/invoke.texi (C++ Dialect Options): Likewise.
5923
5924 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5925
5926         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5927         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5928         (ia64_expand_builtin): Likewise.
5929
5930 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5931
5932         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5933         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5934         ADDR_EXPRS are include too.
5935
5936 2009-04-07  Richard Guenther  <rguenther@suse.de>
5937
5938         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5939         decls are only used if passes as parameters or if they are
5940         local statics and the call is not to a builtin.
5941         (call_may_clobber_ref_p_1): Likewise.
5942
5943 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5944
5945         * expr.c (do_store_flag): Remove last argument.  Simplify code
5946         to avoid duplication of tests already done by can_compare_p.
5947         (expand_expr_real_1): Adjust caller.
5948
5949 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5950
5951         * optabs.c (can_compare_p): Test the predicate of a
5952         cbranch and cstore pattern.
5953
5954 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5955
5956         * expr.c (convert_move): Use emit_store_flag instead of
5957         "emulating" it.
5958
5959 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5960
5961         * config/i386/i386.c (ix86_compare_emitted): Remove.
5962         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5963         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5964         * config/i386/i386.h (ix86_compare_emitted): Remove.
5965         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5966         instead of ix86_compare_emitted.
5967         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5968
5969 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5970
5971         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5972         Add t-sysroot-suffix to tmake_file.
5973         * config/print-sysroot-suffix.sh: New file.
5974         * config/t-sysroot-suffix: New file.
5975
5976 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5977
5978         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5979         as the latter produces a warning when the target does not support
5980         infinity.
5981
5982 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5983
5984         * dfp.c: Replace type punning assignments with memcpy throughout.
5985         * Makefile.in (dfp.o-warn): Remove.
5986
5987 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5988
5989         PR target/39634
5990         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5991         Include soft-fp/t-softfp after rs6000/t-linux64.
5992
5993 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5994
5995         * stor-layout.c (set_sizetype): Use the full precision of their
5996         machine mode for bitsize types.
5997
5998 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5999
6000         * config/i386/i386.md: Revert 2 accidental checkins.
6001
6002 2009-04-06  Joey Ye  <joey.ye@intel.com>
6003             Xuepeng Guo  <xuepeng.guo@intel.com>
6004             H.J. Lu  <hongjiu.lu@intel.com>
6005
6006         Atom pipeline model, tuning and insn selection.
6007         * config.gcc (atom): Add atom config options and target.
6008
6009         * config/i386/atom.md: New.
6010
6011         * config/i386/i386.c (atom_cost): New cost.
6012         (m_ATOM): New macro flag.
6013         (initial_ix86_tune_features): Set m_ATOM.
6014         (x86_accumulate_outgoing_args): Likewise.
6015         (x86_arch_always_fancy_math_387): Likewise.
6016         (processor_target): Add Atom cost.
6017         (cpu_names): Add Atom cpu name.
6018         (override_options): Set Atom ISA.
6019         (ix86_issue_rate): New case PROCESSOR_ATOM.
6020         (ix86_adjust_cost): Likewise.
6021
6022         * config/i386/i386.h (TARGET_ATOM): New target macro.
6023         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6024         (TARGET_OPT_AGU): New target option.
6025         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6026         (processor_type): Add PROCESSOR_ATOM.
6027
6028         * config/i386/i386.md (cpu): Add new value "atom".
6029         (use_carry, movu): New attr.
6030         (atom.md): Include atom.md.
6031         (adddi3_carry_rex64): Set attr "use_carry".
6032         (addqi3_carry): Likewise.
6033         (addhi3_carry): Likewise.
6034         (addsi3_carry): Likewise.
6035         (*addsi3_carry_zext): Likewise.
6036         (subdi3_carry_rex64): Likewise.
6037         (subqi3_carry): Likewise.
6038         (subhi3_carry): Likewise.
6039         (subsi3_carry): Likewise.
6040         (x86_movdicc_0_m1_rex64): Likewise.
6041         (*x86_movdicc_0_m1_se): Likewise.
6042         (x86_movsicc_0_m1): Likewise.
6043         (*x86_movsicc_0_m1_se): Likewise.
6044         (*adddi_1_rex64): Emit add insn as much as possible.
6045         (*addsi_1): Likewise.
6046         (return_internal): Set atom_unit.
6047         (return_internal_long): Likewise.
6048         (return_pop_internal): Likewise.
6049         (*rcpsf2_sse): Set atom_sse_attr attr.
6050         (*qrt<mode>2_sse): Likewise.
6051         (*prefetch_sse): Likewise.
6052
6053         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6054         PROCESSOR_ATOM.
6055         (ix86_target_macros_internal): Likewise.
6056
6057         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6058         (*prefetch_sse_rex): Likewise.
6059         (sse_rcpv4sf2): Likewise.
6060         (sse_vmrcpv4sf2): Likewise.
6061         (sse_sqrtv4sf2): Likewise.
6062         (<sse>_vmsqrt<mode>2): Likewise.
6063         (sse_ldmxcsr): Likewise.
6064         (sse_stmxcsr): Likewise.
6065         (*sse_sfence): Likewise.
6066         (sse2_clflush): Likewise.
6067         (*sse2_mfence): Likewise.
6068         (*sse2_lfence): Likewise.
6069         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6070         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6071         (avx_movdqu<avxmodesuffix>): Likewise.
6072         (avx_lddqu<avxmodesuffix>): Likewise.
6073         (sse2_movntv2di): Change attr "type" to "ssemov".
6074         (sse2_movntsi): Likewise.
6075         (rsqrtv8sf2): Change attr "type" to "sseadd".
6076         (sse3_addsubv2df3): Set attr "atom_unit".
6077         (sse3_h<plusminus_insn>v4sf3): Likewise.
6078         (*sse2_pmaddwd): Likewise.
6079         (*vec_extractv2di_1_rex64): Likewise.
6080         (*vec_extractv2di_1_avx): Likewise.
6081         (sse2_psadbw): Likewise.
6082         (ssse3_phaddwv8hi3): Likewise.
6083         (ssse3_phaddwv4hi3): Likewise.
6084         (ssse3_phadddv4si3): Likewise.
6085         (ssse3_phadddv2si3): Likewise.
6086         (ssse3_phaddswv8hi3): Likewise.
6087         (ssse3_phaddswv4hi3): Likewise.
6088         (ssse3_phsubwv8hi3): Likewise.
6089         (ssse3_phsubwv4hi3): Likewise.
6090         (ssse3_phsubdv4si3): Likewise.
6091         (ssse3_phsubdv2si3): Likewise.
6092         (ssse3_phsubswv8hi3): Likewise.
6093         (ssse3_phsubswv4hi3): Likewise.
6094         (ssse3_pmaddubsw128): Likewise.
6095         (sse3_pmaddubsw: Likewise.
6096         (ssse3_palignrti): Likewise.
6097         (ssse3_palignrdi): Likewise.
6098
6099 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6100
6101         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6102
6103 2009-04-06  Richard Guenther  <rguenther@suse.de>
6104
6105         PR tree-optimization/28868
6106         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6107         of which PHI results we inserted.
6108         (insert_into_preds_of_block): Record inserted PHIs.
6109         (eliminate): Eliminate redundant PHI nodes.
6110         (init_pre): Init inserted_phi_names.
6111
6112 2009-04-06  Richard Guenther  <rguenther@suse.de>
6113
6114         PR tree-optimization/39643
6115         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6116         IMAGPART_EXPRs of complex constants.
6117         (execute_fold_all_builtins): If we folded a call queue
6118         TODO_update_address_taken.
6119
6120 2009-04-06  Jan Hubicka  <jh@suse.cz>
6121
6122         PR middle-end/39659
6123         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6124         flag.
6125
6126 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6127
6128         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6129         delay slot.
6130         (ic_invalidate_array): Likewise.
6131
6132 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6133
6134         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6135         alignment for library calls.
6136
6137 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6138
6139         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6140         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6141         * config/i386/mingw-stdint.h:  New file.
6142
6143 2009-04-05  Richard Guenther  <rguenther@suse.de>
6144
6145         PR tree-optimization/39648
6146         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6147         our &A vs. &A[0] IL deficiencies.
6148
6149 2009-04-04  Jan Hubicka  <jh@suse.cz>
6150
6151         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6152         removed toplevel regions.
6153         (sjlj_mark_call_sites): Likewise.
6154
6155 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6156
6157         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6158         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6159         * config/i386/cygwin-stdint.h:  New file.
6160
6161 2009-04-04  Richard Guenther  <rguenther@suse.de>
6162
6163         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6164         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6165         single-argument PHIs if we are in loop-closed SSA form.
6166         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6167         for the pre-condition.
6168         (slpeel_tree_peel_loop_to_edge): Likewise.
6169         (vect_build_loop_niters): Take an optional sequence to append stmts.
6170         (vect_generate_tmps_on_preheader): Likewise.
6171         (vect_do_peeling_for_loop_bound): Take extra guards for the
6172         pre-condition.
6173         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6174         the cost model check.
6175         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6176         guards if we are going to peel.  Do not apply versioning in that case.
6177         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6178         (vect_do_peeling_for_loop_bound): Likewise.
6179         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6180         loop bound only record extra pre-conditions, do not apply loop
6181         versioning.
6182
6183 2009-04-04  Richard Guenther  <rguenther@suse.de>
6184
6185         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6186         renaming code.
6187
6188 2009-04-04  Jan Hubicka  <jh@suse.cz>
6189
6190         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6191         last_basic_block for size of bb->index indexed array.
6192         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6193         compute_out, link_btr_uses, build_btr_def_use_webs,
6194         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6195
6196 2009-04-04  Jan Hubicka  <jh@suse.cz>
6197
6198         * except.c (remove_eh_handler_and_replace): Break out from ...
6199         (remove_eh_handler): ... here.
6200         (bring_to_root): New function.
6201         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6202         handled ones, bring others to root of tree.
6203
6204 2009-04-04  Jan Hubicka  <jh@suse.cz>
6205
6206         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6207         (all_phis_safe_to_merge): New function.
6208         (update_info): New structure.
6209         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6210         (cleanup_empty_eh): Update SSA if possible.
6211
6212 2009-04-04  Richard Guenther  <rguenther@suse.de>
6213
6214         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6215         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6216         (append_vuse): Likewise.
6217
6218 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6219
6220         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6221         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6222         instead of REG_UNSAVED for DW_CFA_undefined.
6223         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6224         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6225         outermost frame.
6226
6227 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6228
6229         PR target/39501
6230         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6231         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6232         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6233
6234 2009-04-04  Richard Guenther  <rguenther@suse.de>
6235
6236         PR tree-optimization/8781
6237         PR tree-optimization/37892
6238         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6239         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6240         (valueize_refs): Call it for *& valueizations.
6241         (shared_reference_ops_from_ref): Rename to ...
6242         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6243         (shared_reference_ops_from_call): Rename to ...
6244         (valueize_shared_reference_ops_from_call): ... this and valueize.
6245         (vn_reference_lookup): Update.
6246         (visit_reference_op_call): Likewise.
6247         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6248         (eliminate): Value-replace the call address in call statements.
6249
6250 2009-04-04  Richard Guenther  <rguenther@suse.de>
6251
6252         PR tree-optimization/39636
6253         * tree-ssa-forwprop.c
6254         (forward_propagate_addr_into_variable_array_index): Check for
6255         GIMPLE_ASSIGN before accessing the rhs code.
6256
6257 2009-04-03  Jason Merrill  <jason@redhat.com>
6258
6259         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6260
6261 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6262
6263         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6264         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6265         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6266         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6267         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6268         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6269         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6270         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6271         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6272         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6273         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6274         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6275         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6276         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6277         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6278         Use fr_reg_or_fp01_operand instead of fr_register_operand
6279
6280         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6281         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6282         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6283
6284 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6285
6286         PR rtl-optimization/39607
6287         PR rtl-optimization/39631
6288
6289         Revert:
6290
6291         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6292         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6293         instead of DF_LR_OUT.
6294         * ira-lives.c (process_bb_node_lives): Ditto.
6295         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6296         instead of DF_LR_{OUT,IN}.
6297         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6298         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6299
6300 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6301
6302         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6303         (execute_lower_omp): Always run but take the short way out if -fopenmp
6304         is not given.
6305         (gate_lower_omp): Remove, forcing the pass manager to always run the
6306         pass and always set PROP_gimple_lomp.
6307         (pass_lower_omp): Remove gate function.
6308         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6309         PROP_trees.  Instead, require it.
6310         * ipa-cp.c (pass_ipa_cp): Likewise.
6311         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6312         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6313         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6314         and PROP_gimple_leh.
6315
6316 2009-04-03  Richard Guenther  <rguenther@suse.de>
6317
6318         PR middle-end/13146
6319         PR tree-optimization/23940
6320         PR tree-optimization/33237
6321         PR middle-end/33974
6322         PR middle-end/34093
6323         PR tree-optimization/36201
6324         PR tree-optimization/36230
6325         PR tree-optimization/38049
6326         PR tree-optimization/38207
6327         PR tree-optimization/38230
6328         PR tree-optimization/38301
6329         PR tree-optimization/38585
6330         PR middle-end/38895
6331         PR tree-optimization/38985
6332         PR tree-optimization/39299
6333         * tree-ssa-structalias.h: Remove.
6334         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6335         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6336         (struct vuse_element_d): Remove.
6337         (struct vuse_vec_d): Likewise.
6338         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6339         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6340         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6341         VUSE_ELEMENT_VAR): Likewise.
6342         (struct voptype_d): Likewise.
6343         (NUM_VOP_FREE_BUCKETS): Likewise.
6344         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6345         (struct stmt_operands_d): Remove.
6346         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6347         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6348         VDEF_NUM, VDEF_VECT): Likewise.
6349         (copy_virtual_operands): Remove.
6350         (operand_build_cmp): Likewise.
6351         (create_ssa_artificial_load_stmt): Likewise.
6352         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6353         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6354         vuse_index and mayuse_index members.  Pack and move done and iter_type
6355         members to the front.
6356         (SSA_OP_VMAYUSE): Remove.
6357         (SSA_OP_VIRTUAL_USES): Adjust.
6358         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6359         (unlink_stmt_vdef): Declare.
6360         (add_to_addressable_set): Remove.
6361         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6362         (vrp_visit_stmt): Likewise.
6363         * doc/tree-ssa.texi (Alias analysis): Update.
6364         * doc/invoke.texi (max-aliased-vops): Remove docs.
6365         (avg-aliased-vops): Likewise.
6366         * tree-into-ssa.c (syms_to_rename): Remove.
6367         (need_to_update_vops_p): Likewise.
6368         (need_to_initialize_update_ssa_p): Rename to ...
6369         (update_ssa_initialized_fn): ... this.  Track function we are
6370         initialized for.
6371         (symbol_marked_for_renaming): Simplify.
6372         (add_new_name_mapping): Do not set need_to_update_vops_p.
6373         (dump_currdefs): Use SYMS_TO_RENAME.
6374         (rewrite_update_stmt): Always walk all uses/defs.
6375         (dump_update_ssa): Adjust.
6376         (init_update_ssa): Take function argument.  Track what we are
6377         initialized for.
6378         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6379         (create_new_def_for): Initialize for cfun, assert we are initialized
6380         for cfun.
6381         (mark_sym_for_renaming): Simplify.
6382         (mark_set_for_renaming): Do not initialize update-ssa.
6383         (need_ssa_update_p): Simplify.  Take function argument.
6384         (name_mappings_registered_p): Assert we ask for the correct function.
6385         (name_registered_for_update_p): Likewise.
6386         (ssa_names_to_replace): Likewise.
6387         (release_ssa_name_after_update_ssa): Likewise.
6388         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6389         (dump_decl_set): Do not print a newline.
6390         (debug_decl_set): Do it here.
6391         (dump_update_ssa): And here.
6392         * tree-ssa-loop-im.c (move_computations): Adjust.
6393         (movement_possibility): Likewise.
6394         (determine_max_movement): Likewise.
6395         (gather_mem_refs_stmt): Likewise.
6396         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6397         or NAME_MEMORY_TAG.
6398         * tree-complex.c (update_all_vops): Remove.
6399         (expand_complex_move): Adjust.
6400         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6401         Simplify test for memory referencing statement.  Exclude
6402         non-invariant ADDR_EXPRs.
6403         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6404         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6405         (rdg_flag_uses): Likewise.
6406         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6407         related code.
6408         (tree_optimize_tail_calls_1): Also split the
6409         edge from the entry block if we have degenerate PHI nodes in
6410         the first basic block.
6411         * tree.c (init_ttree): Remove memory-tag related code.
6412         (tree_code_size): Likewise.
6413         (tree_node_structure): Likewise.
6414         (build7_stat): Re-write to be build6_stat.
6415         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6416         (SSA_VAR_P): Adjust.
6417         (struct tree_memory_tag): Remove.
6418         (struct tree_memory_partition_tag): Likewise.
6419         (union tree_node): Adjust.
6420         (build7): Re-write to be build6.
6421         * tree-pass.h (pass_reset_cc_flags): Remove.
6422         (TODO_update_address_taken): New flag.
6423         (pass_simple_dse): Remove.
6424         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6425         * params.h (MAX_ALIASED_VOPS): Remove.
6426         (AVG_ALIASED_VOPS): Likewise.
6427         * omp-low.c (expand_omp_taskreg): Update SSA form.
6428         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6429         aliases the lhs in a copy stmt.
6430         * tree-ssa-dse.c (struct address_walk_data): Remove.
6431         (memory_ssa_name_same): Likewise.
6432         (memory_address_same): Likewise.
6433         (get_kill_of_stmt_lhs): Likewise.
6434         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6435         unused stores.  Look through PHI nodes into post-dominated regions.
6436         (dse_optimize_stmt): Simplify.  Properly remove stores.
6437         (tree_ssa_dse): Compute dominators.
6438         (execute_simple_dse): Remove.
6439         (pass_simple_dse): Likewise.
6440         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6441         gimple_loaded_syms and gimple_stored_syms computation.
6442         * toplev.c (dump_memory_report): Dump alias and pta stats.
6443         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6444         (vn_reference_eq): Likewise.
6445         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6446         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6447         valueize_vuses): Remove.
6448         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6449         (get_def_ref_stmt_vuse): ... this.
6450         (vn_reference_lookup_2): New function.
6451         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6452         walking equivalent vuses.  Simplify.
6453         (vn_reference_lookup): Likewise.
6454         (vn_reference_insert): Likewise.
6455         (vn_reference_insert_pieces): Likewise.
6456         (visit_reference_op_call): Simplify.
6457         (visit_reference_op_load): Likewise.
6458         (visit_reference_op_store): Likewise.
6459         (init_scc_vn): Remove shared_lookup_vuses initialization.
6460         (free_scc_vn): Remove shared_lookup_vuses freeing.
6461         (sort_vuses, sort_vuses_heap): Remove.
6462         (get_ref_from_reference_ops): Export.
6463         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6464         vector with single vuse pointer.
6465         (vn_reference_lookup_pieces, vn_reference_lookup,
6466         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6467         (shared_vuses_from_stmt): Remove.
6468         (get_ref_from_reference_ops): Declare.
6469         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6470         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6471         memory-tag related code.
6472         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6473         (likely_value): Add comment, skip static-chain of call statements.
6474         (surely_varying_stmt_p): Adjust.
6475         (gimplify_and_update_call_from_tree): Likewise.
6476         (execute_fold_all_builtins): Do not rebuild alias info.
6477         (gimplify_and_update_call_from_tree): Properly update VOPs.
6478         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6479         (copy_ref_info): Remove memory-tag related code.
6480         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6481         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6482         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6483         computation.
6484         * tree-ssa-dom.c (gimple_p): Remove typedef.
6485         (eliminate_redundant_computations): Adjust.
6486         (record_equivalences_from_stmt): Likewise.
6487         (avail_expr_hash): Likewise.
6488         (avail_expr_eq): Likewise.
6489         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6490         (stmt_makes_single_load): Likewise.
6491         (stmt_makes_single_store): Likewise.
6492         * tree-ssa-alias.c: Rewrite completely.
6493         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6494         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6495         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6496         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6497         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6498         Remove public functions.
6499         (pass_reset_cc_flags): Remove.
6500         (pass_build_alias): Move ...
6501         * tree-ssa-structalias.c (pass_build_alias): ... here.
6502         * tree-ssa-alias.c (may_be_aliased): Move ...
6503         * tree-flow-inline.h (may_be_aliased): ... here.
6504         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6505         count_uses_and_derefs): Move ...
6506         * gimple.c: ... here.
6507         * gimple.h (count_uses_and_derefs): Declare.
6508         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6509         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6510         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6511         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6512         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6513         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6514         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6515         New functions.
6516         * tree-dfa.c (refs_may_alias_p): Move ...
6517         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6518         * tree-ssa-alias.h: New file.
6519         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6520         (statement_sink_location): Likewise.
6521         * opts.c (decode_options): Do not adjust max-aliased-vops or
6522         avg-aliased-vops values.
6523         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6524         (TV_CALL_CLOBBER): Likewise.
6525         (TV_FLOW_SENSITIVE): Likewise.
6526         (TV_FLOW_INSENSITIVE): Likewise.
6527         (TV_MEMORY_PARTITIONING): Likewise.
6528         (TV_ALIAS_STMT_WALK): New timevar.
6529         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6530         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6531         (get_address_description): Remove memory-tag related code.
6532         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6533         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6534         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6535         and immediate uses in statements.  Document.
6536         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6537         (dump_symbols): Remove.
6538         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6539         * alias.c (get_deref_alias_set): New function split out from ...
6540         (get_alias_set): ... here.
6541         * alias.h (get_deref_alias_set): Declare.
6542         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6543         type parameter.  Remove restrict pointer handling.  Create a
6544         ref-all pointer in case type-based alias sets do not conflict.
6545         (vect_analyze_data_refs): Remove SMT related code.
6546         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6547         (vectorizable_load): Likewise.
6548         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6549         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6550         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6551         Ignore vops and SMTs.
6552         (dr_analyze_alias): Likewise..
6553         (free_data_ref): Likewise.
6554         (create_data_ref): Likewise.
6555         (analyze_all_data_dependences): Likewise.
6556         (get_references_in_stmt): Adjust.
6557         * tree-flow-inline.h (gimple_aliases_computed_p,
6558         gimple_addressable_vars, gimple_call_clobbered_vars,
6559         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6560         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6561         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6562         gimple_mem_ref_stats): Remove.
6563         (gimple_vop): New function.
6564         (op_iter_next_use): Remove vuses and mayuses cases.
6565         (op_iter_next_def): Remove vdefs case.
6566         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6567         (clear_and_done_ssa_iter): Do not set removed fields.
6568         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6569         Assert we are not iterating over vuses or vdefs if not also
6570         iterating over uses or defs.
6571         (op_iter_init_use): Likewise.
6572         (op_iter_init_def): Likewise.
6573         (op_iter_next_vdef): Remove.
6574         (op_iter_next_mustdef): Likewise.
6575         (op_iter_init_vdef): Likewise.
6576         (compare_ssa_operands_equal): Likewise.
6577         (link_use_stmts_after): Handle vuse operand.
6578         (is_call_used): Use is_call_clobbered.
6579         (is_call_clobbered): Global variables are always call clobbered,
6580         query the call-clobbers bitmap.
6581         (mark_call_clobbered): Ignore global variables.
6582         (clear_call_clobbered): Likewise.
6583         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6584         virtual operands sanity check.
6585         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6586         Remove.
6587         (TARGET_MEM_REF): Remove TMR_TAG operand.
6588         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6589         Remove call-clobber related code.
6590         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6591         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6592         partitions or escape reason.
6593         (get_single_def_stmt, get_single_def_stmt_from_phi,
6594         get_single_def_stmt_with_phi): Remove.
6595         (dump_referenced_vars): Tidy.
6596         (get_ref_base_and_extent): Allow bare decls.
6597         (collect_dfa_stats): Adjust.
6598         * graphite.c (rename_variables_in_stmt): Adjust.
6599         (graphite_copy_stmts_from_block): Likewise.
6600         (translate_clast): Likewise.
6601         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6602         (EXPR_DIES): New.
6603         (translate_vuse_through_block): Use the oracle.
6604         (phi_translate_1): Adjust.
6605         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6606         in EXPR_DIES.
6607         (valid_in_sets): Check if the VUSE for
6608         a REFERENCE is available.
6609         (eliminate): Do not remove stmts during elimination,
6610         instead queue and remove them afterwards.
6611         (do_pre): Do not rebuild alias info.
6612         (pass_pre): Run TODO_rebuild_alias before PRE.
6613         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6614         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6615         (mark_all_v_defs_stmt): Remove.
6616         (mark_all_v_defs_seq): Adjust.
6617         (sra_replace): Likewise.
6618         (scalarize_use): Likewise.
6619         (scalarize_copy): Likewise.
6620         (scalarize_init): Likewise.
6621         (scalarize_ldst): Likewise.
6622         (todoflags): Remove.
6623         (tree_sra): Do not rebuild alias info.
6624         (tree_sra_early): Adjust.
6625         (pass_sra): Run TODO_update_address_taken before SRA.
6626         * tree-predcom.c (set_alias_info): Remove.
6627         (prepare_initializers_chain): Do not call it.
6628         (mark_virtual_ops_for_renaming): Adjust.
6629         (mark_virtual_ops_for_renaming_list): Remove.
6630         (initialize_root_vars): Adjust.
6631         (initialize_root_vars_lm): Likewise.
6632         (prepare_initializers_chain): Likewise.
6633         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6634         (may_propagate_copy_into_stmt): Likewise.
6635         (merge_alias_info): Do nothing for now.
6636         (propagate_tree_value_into_stmt): Adjust.
6637         (stmt_may_generate_copy): Likewise.
6638         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6639         not mark symbols for renaming.
6640         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6641         with the same statement, make sure to update the new pointed-to one.
6642         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6643         call statements, do not mark symbols for renaming.
6644         (mark_operand_necessary): Dump something.
6645         (ref_may_be_aliased): New function.
6646         (mark_aliased_reaching_defs_necessary_1): New helper function.
6647         (mark_aliased_reaching_defs_necessary): Likewise.
6648         (mark_all_reaching_defs_necessary_1): Likewise.
6649         (mark_all_reaching_defs_necessary): Likewise.
6650         (propagate_necessity): Do not process virtual PHIs.  For
6651         non-aliased loads mark all reaching definitions as necessary.
6652         For aliased loads and stores mark the immediate dominating
6653         aliased clobbers as necessary.
6654         (visited): New global static.
6655         (perform_tree_ssa_dce): Free visited bitmap after propagating
6656         necessity.
6657         (remove_dead_phis): Perform simple dead virtual PHI removal.
6658         (remove_dead_stmt): Properly unlink virtual operands when
6659         removing stores.
6660         (eliminate_unnecessary_stmts): Schedule PHI removal after
6661         stmt removal.
6662         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6663         (process_replaceable): Likewise.
6664         (find_replaceable_in_bb): Likewise.
6665         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6666         based on the single gimple vop.
6667         (verify_flow_insensitive_alias_info): Remove.
6668         (verify_flow_sensitive_alias_info): Likewise.
6669         (verify_call_clobbering): Likewise.
6670         (verify_memory_partitions): Likewise.
6671         (verify_alias_info): Likewise.
6672         (verify_ssa): Adjust..
6673         (execute_update_addresses_taken): Export.  Update SSA
6674         manually.  Optimize only when optimizing.  Use a local bitmap.
6675         (pass_update_address_taken): Remove TODO_update_ssa, add
6676         TODO_dump_func.
6677         (pass_update_address_taken): Just use TODO_update_address_taken.
6678         (init_tree_ssa): Do not initialize addressable_vars.
6679         (verify_ssa): Verify new VUSE / VDEF properties.
6680         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6681         Do not call verify_alias_info.
6682         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6683         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6684         and callused solutions.  Do not free addressable_vars.
6685         Remove memory-tag related code.
6686         (warn_uninitialized_var): Aliases are always available.
6687         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6688         * lambda-code.c (can_put_in_inner_loop): Adjust.
6689         (can_put_after_inner_loop): Likewise.
6690         (perfect_nestify): Likewise.
6691         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6692         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6693         (vectorizable_conversion): Do not mark symbols for renaming.
6694         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6695         (expand_call_inline): Unlink the calls virtual operands before
6696         replacing it.
6697         (tree_function_versioning): Do not call update_ssa if we are not
6698         updating clones.  Simplify.
6699         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6700         (propagate_with_phi): Likewise..
6701         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6702         clobber code.  Assert we are not aliased or global.
6703         * tree-flow.h: Include tree-ssa-alias.h
6704         (enum escape_type): Remove.
6705         (struct mem_sym_stats_d): Likewise.
6706         (struct mem_ref_stats_d): Likewise.
6707         (struct gimple_df): Add vop member.  Remove global_var,
6708         call_clobbered_vars, call_used_vars, addressable_vars,
6709         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6710         escaped and callused members.
6711         (struct ptr_info_def): Remove all members, add points-to solution
6712         member pt.
6713         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6714         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6715         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6716         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6717         (tree-ssa-alias.o): Likewise.
6718         (toplev.o): Add tree-ssa-alias.h
6719         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6720         * gimple.c (gimple_set_bb): Fix off-by-one error.
6721         (is_gimple_reg): Do not handle memory tags.
6722         (gimple_copy): Also copy virtual operands.
6723         Delay updating the statement.  Do not reset loaded and stored syms.
6724         (gimple_set_stored_syms): Remove.
6725         (gimple_set_loaded_syms): Likewise.
6726         (gimple_call_copy_skip_args): Copy the virtual operands
6727         and mark the new statement modified.
6728         * tree-ssa-structalias.c (may_alias_p): Remove.
6729         (set_uids_in_ptset): Take the alias set to prune with as
6730         parameter.  Fold in the alias test of may_alias_p.
6731         (compute_points_to_sets): Compute whether a ptr is dereferenced
6732         in a local sbitmap.
6733         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6734         other ADDRESSOF constraints on the lhs.
6735         (get_constraint_for_component_ref): Assert that we don't get
6736         ADDRESSOF constraints from the base of the reference.
6737         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6738         (struct variable_info): Remove collapsed_to member.
6739         (get_varinfo_fc): Remove.
6740         (new_var_info): Do not set collapsed_to.
6741         (dump_constraint): Do not follow cycles.
6742         (dump_constraint_graph): Likewise.
6743         (build_pred_graph): Likewise.
6744         (build_succ_graph): Likewise.
6745         (rewrite_constraints): Likewise.
6746         (do_simple_structure_copy): Remove.
6747         (do_rhs_deref_structure_copy): Remove.
6748         (do_lhs_deref_structure_copy): Remove.
6749         (collapse_rest_of_var): Remove.
6750         (do_structure_copy): Re-implement.
6751         (pta_stats): New global variable.
6752         (dump_pta_stats): New function.
6753         (struct constraint_expr): Make offset signed.
6754         (UNKNOWN_OFFSET): Define special value.
6755         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6756         (solution_set_expand): New helper function split out from ...
6757         (do_sd_constraint): ... here.
6758         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6759         (do_ds_constraint): Likewise.
6760         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6761         and CALLUSED = *CALLUSED.
6762         (set_union_with_increment): Make inc argument signed.
6763         (type_safe): Remove.
6764         (get_constraint_for_ptr_offset): Handle unknown and negative
6765         constant offsets.
6766         (first_vi_for_offset): Handle offsets before start.  Bail
6767         out early for offsets beyond the variable extent.
6768         (first_or_preceding_vi_for_offset): New function.
6769         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6770         Together with ESCAPED = *ESCAPED this properly computes reachability.
6771         (find_what_var_points_to): New function.
6772         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6773         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6774         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6775         pt_solutions_intersect): New functions.
6776         (compute_call_used_vars): Remove.
6777         (compute_may_aliases): New main entry into PTA computation.
6778         * gimple.h (gimple_p): New typedef.
6779         (struct gimple_statement_base): Remove references_memory_p.
6780         (struct gimple_statement_with_memory_ops_base): Remove
6781         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6782         members.
6783         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6784         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6785         gimple_set_references_memory): Remove.
6786         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6787         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6788         New functions.
6789         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6790         (verify_expr): Allow RESULT_DECL.
6791         (gimple_duplicate_bb): Do not copy virtual operands.
6792         (gimple_duplicate_sese_region): Adjust.
6793         (gimple_duplicate_sese_tail): Likewise.
6794         (mark_virtual_ops_in_region): Remove.
6795         (move_sese_region_to_fn): Do not call it.
6796         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6797         and pass_simple_dse.
6798         (execute_function_todo): Handle TODO_update_address_taken,
6799         call execute_update_addresses_taken for TODO_rebuild_alias.
6800         (execute_todo): Adjust.
6801         (execute_one_pass): Init dump files early.
6802         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6803         call-clobbered.
6804         (create_general_new_stmt): Clear vops.
6805         * tree-ssa-reassoc.c (get_rank): Adjust.
6806         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6807         symbols for renaming.
6808         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6809         (PARAM_AVG_ALIASED_VOPS): Likewise.
6810         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6811         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6812         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6813         (operand_build_cmp, copy_virtual_operands,
6814         create_ssa_artificial_load_stmt, add_to_addressable_set,
6815         gimple_add_to_addresses_taken): Remove public functions.
6816         (unlink_stmt_vdef): New function.
6817
6818 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6819
6820         * config.gcc (powerpc-*-linux*): Merge variants.
6821
6822 2009-04-02  Chao-ying Fu  <fu@mips.com>
6823             James Grosbach  <james.grosbach@microchip.com>
6824
6825         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6826         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6827         cop0_sp_offset.
6828         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6829         keep_interrupts_masked_p, use_debug_exception_return_p.
6830         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6831         keep_interrupts_masked, use_debug_exception_return.
6832         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6833         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6834         New functions.
6835         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6836         (mips_print_operand): Process COP0 registers to print $0 .. $31
6837         correctly for GAS to process.
6838         (mips_interrupt_extra_call_saved_reg_p): New function.
6839         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6840         extra registers.
6841         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6842         (mips_compute_frame_info): Add supports for interrupt context that
6843         includes doubleword accumulators and COP0 registers.
6844         (mips_for_each_saved_acc): New function.
6845         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6846         mips_for_each_saved_reg.
6847         (mips_save_reg): Save accumulators.
6848         (mips_kernel_reg_p): A new for_each_rtx callback.
6849         (mips_expand_prologue): Support interrupt handlers.
6850         (mips_restore_reg): Restore accumulators.
6851         (mips_expand_epilogue): Support interrupt handlers.
6852         (mips_can_use_return_insn): Return false for interrupt handlers.
6853         (mips_epilogue_uses): New function.
6854         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6855         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6856         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6857         cop0_move): New instructions.
6858         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6859         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6860         defines.
6861         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6862         New defines.
6863         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6864         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6865         interrupt handlers, we use K0 as the temporary register.
6866         (EPILOGUE_USES): Change to a function call.
6867         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6868         handlers, we use K0 as the temporary register.
6869
6870         * doc/extend.texi (Function Attributes): Document interrupt,
6871         use_shadow_register_set, keep_interrupts_masked,
6872         use_debug_exception_return for MIPS attributes.
6873
6874 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6875
6876         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6877         Remove a number of t-files from tmake_file.
6878         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6879         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6880         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6881         target_prototype, not TARGET_PROTOTYPE.
6882         (LINK_OS_GNU_SPEC): Define.
6883         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6884         and darwin-ldoubdle.c.
6885
6886 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6887
6888         PR driver/39293
6889         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6890         (cpp_options): Ditto.
6891         (default_compilers): Ditto.
6892         (display_help): Ditto.
6893         (process_command): Ditto.
6894         (do_spec_1): Ditto.
6895         (set_input): Use lbasename instead of duplicate code.
6896         (save_temps_prefix): New static for -save-temps=obj.
6897         (save_temps_length): Ditto.
6898
6899         * doc/invoke.texi (-save-temps=obj): Document new variant to
6900         -save-temps switch.
6901
6902 2009-04-02  Jeff Law  <law@redhat.com>
6903
6904         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6905         variable.
6906
6907 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6908
6909         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6910         * configure: Regenerated.
6911
6912 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6913
6914         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6915         share the argument list.
6916
6917 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6918
6919         Merge
6920
6921         2009-02-12  Diego Novillo  <dnovillo@google.com>
6922
6923         * varpool.c (debug_varpool): New.
6924         * cgraph.h (debug_varpool): Declare.
6925
6926 2009-04-02  Jan Hubicka  <jh@suse.cz>
6927
6928         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6929         pass.
6930
6931 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6932
6933         * config/i386/i386.c (ix86_abi): Move initialization to ...
6934         (override_options): Here.
6935
6936 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6937
6938         * config/sh/sh.c (sh_dwarf_register_span): New function.
6939         (TARGET_DWARF_REGISTER_SPAN): Define.
6940         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6941
6942 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6943
6944         PR tree-optimization/39595
6945         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6946         interleaved loads group is not  greater than the SLP group size.
6947
6948 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6949
6950         * builtins.c (is_builtin_name): New.
6951         (called_as_built_in): Use is_builtin_name.
6952         * tree.h (is_builtin_name): New.
6953         * varasm.c (incorporeal_function_p): Use is_builtin_name
6954
6955 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6956
6957         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6958
6959 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6960
6961         PR c++/26693
6962         * c-decl.c (clone_underlying_type): Move this ...
6963         * c-common.c (set_underlying_type): ... here.
6964         Also, make sure the function properly sets TYPE_STUB_DECL() on
6965         the newly created typedef variant type.
6966         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6967         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6968         points.
6969
6970 2009-04-02  Richard Guenther  <rguenther@suse.de>
6971
6972         PR tree-optimization/37221
6973         * tree-flow.h (degenerate_phi_result): Declare.
6974         * tree-ssa-dom.c (degenerate_phi_result): Export.
6975         * tree-scalar-evolution.c (analyze_initial_condition): If
6976         the initial condition is defined by a degenerate PHI node
6977         use the degenerate value.
6978
6979 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6980
6981         PR rtl-optimization/39588
6982         * combine.c (merge_outer_ops): Do not set the constant when this
6983         is not necessary.
6984         (simplify_shift_const_1): Do not modify it either in this case.
6985
6986 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6987
6988         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6989         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6990
6991 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6992
6993         PR c/29027
6994         * c-lex.c (interpret_float): Default (no suffix) is double.
6995
6996 2009-04-1  Xinliang David Li  <davidxl@google.com>
6997
6998         * config/i386/i386.c (legitimate_constant_p): Recognize
6999         all one vector constant.
7000
7001 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7002
7003         * config/vax/vax.c: Add #includes to silence warnings.
7004         Change #include order to silence two warnings.
7005
7006 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7007
7008         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7009         (ASM_SPEC): Pass -k to the assembler for PIC code.
7010
7011 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7012
7013         * config.gcc: Add vax-*-linux* to the switch.
7014         * config/vax/linux.h: New file. (TARGET_VERSION,
7015         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7016
7017 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7018
7019         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7020         Use predicate macros instead of GET_CODE() == foo.
7021         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7022         ashlsi3, rotrsi3, <unnamed>): Likewise.
7023
7024 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7025
7026         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7027         jbbccihi, jbbccisi): Remova trailing whitespace.
7028         * config/vax/constraints.md: Likewise.
7029         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7030         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7031         * config/vax/predicates.md: Likewise.
7032         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7033         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7034         * config/vax/vax.h: Likewise.
7035         * config/vax/vax.md (nonlocal_goto): Likewise.
7036
7037 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7038
7039         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7040         (indirectable_address_p, adjacent_operands_p): Add spaces around
7041         braces.
7042         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7043
7044 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7045
7046         * config/vax/vax.c (legitimate_constant_address_p,
7047         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7048         index_term_p, reg_plus_index_p, legitimate_address_p,
7049         vax_mode_dependent_address_p): Update comments to match functions
7050         modified by the recent int->bool conversion.
7051
7052 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7053
7054         * config/vax/builtins.md: Update copyright message.
7055         * config/vax/constraints.md: Likewise.
7056         * config/vax/netbsd-elf.h: Likewise.
7057         * config/vax/predicates.md: Likewise.
7058         * config/vax/vax-protos.h: Likewise.
7059         * config/vax/vax.c: Likewise.
7060         * config/vax/vax.h: Likewise.
7061         * config/vax/vax.md: Likewise.
7062         * config/vax/vax.opt: Likewise.
7063
7064 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7065
7066         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7067         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7068         * config/vax/constraints.md (B, R): Likewise.
7069         * config/vax/predicates.md (external_memory_operand,
7070         nonimmediate_addsub_di_operand): Likewise.
7071         * config/vax/vax.c (vax_output_int_add): Likewise.
7072         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7073         untyped_call): Likewise.
7074
7075 2009-04-01  Matt Thomas  <matt@3am-software.com>
7076
7077         * config/vax/predicates.md: New file.
7078         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7079         external_const_operand, nonsymbolic_operand, external_memory_operand,
7080         indirect_memory_operand, indexed_memory_operand,
7081         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7082         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7083         predicate.
7084         * config/vax/constraints.md: New file.
7085         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7086         New constraint.
7087         * config/vax/builtins.md: New file.
7088         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7089         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7090         jbbccisi): Define.
7091         * config/vax/vax.opt (mqmath): Add option.
7092         * config/vax/vax.md (isfx): Extend with DI.
7093         (VAXintQH, VAXintQHSD): Define.
7094         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7095         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7096         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7097         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7098         (movdi): Update constraints and use vax_output_int_move().
7099         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7100         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7101         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7102         nonlocal_goto): New.
7103         (mov<mode>): Extend accepted operand types.
7104         (subdi3_old): Rename from subdi3, change update constraints and use
7105         a new implementation.
7106         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7107         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7108         MOVE_RATIO, CLEAR_RATIO): Define.
7109         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7110         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7111         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7112         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7113         (split_quadword_operands): Make static and really allow variable
7114         splitting.
7115         (print_operand_address): Update for PIC generation.
7116         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7117         indexable_address_p, fixup_mathdi_operand,
7118         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7119         (vax_float_literal, legitimate_constant_p,
7120         indirectable_constant_address_p, index_term_p,
7121         reg_plus_index_p): Return bool instead of int.
7122         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7123         where needed.
7124         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7125         generation.
7126         (vax_output_conditional_branch): Indent.
7127         (legitimate_constant_address_p, indirectable_constant_address_p,
7128         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7129         vax_mode_dependent_address_p): Return bool instead of int, update for
7130         PIC generation.
7131         * config/vax/vax-protos.h (legitimate_constant_address_p,
7132         legitimate_constant_p, legitimate_address_p,
7133         vax_mode_dependent_address_p): Change declaration to bool.
7134         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7135         vax_expand_addsub_di_operands, vax_output_int_subtract,
7136         vax_output_movmemsi): Declare.
7137         (split_quadword_operands, vax_float_literal): Delete declaration.
7138         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7139         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7140         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7141         ASM_OUTPUT_DWARF_PCREL): Define.
7142         (ASM_SPEC): Change definition to allow PIC generation.
7143
7144 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7145
7146         * doc/sourcebuild.texi: Update front-end requirements.
7147
7148 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7149
7150         PR target/39226
7151         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7152         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7153         (booldi3_internal3): Use boolean_or_operator instead of
7154         boolean_operator.
7155
7156 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7157
7158         PR c/39605
7159         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7160         declarator whose size is not an integer constant expression but
7161         folds to an integer constant, then treat it as a constant
7162         subsequently.
7163
7164 2009-04-01  Richard Guenther  <rguenther@suse.de>
7165
7166         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7167         i * 4 + 2 to (i * 2 + 1) * 2.
7168
7169 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7170
7171         PR c/37772
7172         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7173         return if c_parser_asm_string_literal returned NULL.
7174
7175 2009-04-01  Nick Clifton  <nickc@redhat.com>
7176
7177         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7178         already defined.
7179         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7180         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7181         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7182         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7183         include it.
7184         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7185         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7186         then include it.
7187
7188 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7189
7190         * varasm.c (default_function_rodata_section): Declare DOT as
7191         const char*.
7192
7193 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7194             Andrey Galkin  <agalkin@hypercom.com>
7195
7196         PR/39492
7197         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7198         Make object_name unique for each process.
7199
7200 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7201
7202         PR other/39591
7203         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7204         addressable variables in the parallel that could go out of scope while
7205         running queued tasks.
7206
7207 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7208
7209         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7210         (CASE_VALUES_THRESHOLD): Redefine.
7211         * config/avr/avr.c (avr_override_options): Remove initialization of
7212         avr_case_values_threshold variable.
7213         (avr_case_values_threshold): Remove variable. Add new function.
7214         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7215         * config/avr/avr.opt (mno-tablejump): Remove option.
7216         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7217
7218 2009-04-01  DJ Delorie  <dj@redhat.com>
7219
7220         * varasm.c (default_function_rodata_section): Don't assume
7221         anything about where the first '.' in the section name is.
7222
7223 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7224
7225         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7226         rs6000_emit_stack_tie.
7227
7228 2009-03-31  Ian Lance Taylor  <iant@google.com>
7229
7230         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7231         gimple_code with GIMPLE_RESX, not RESX.
7232
7233 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7234
7235         * c-common.c (c_get_ident): New.
7236         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7237
7238 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7239
7240         * config/rs6000/sysv4.opt (msdata): Improve option description.
7241
7242 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7243
7244         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7245         (divdf3_internal_lat): Remove.
7246         (divxf3_internal_lat): Remove.
7247         (divxf3_internal_thr): Remove.
7248         (divxf): Use divxf3_internal.
7249         * config/ia64/div.md (divsf3_internal_lat): New.
7250         (divdf3_internal_lat): New.
7251         (divxf3_internal): New.
7252
7253 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7254
7255         PR c/448
7256         * Makefile.in (USE_GCC_STDINT): Define.
7257         (stmp-int-hdrs): Install stdint.h if applicable.
7258         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7259         if known.
7260         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7261         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7262         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7263         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7264         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7265         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7266         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7267         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7268         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7269         (c_common_nodes_and_builtins): Initialize
7270         underlying_wchar_type_node.  Do not initialize
7271         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7272         nodes for new types.
7273         (c_stddef_cpp_builtins): Define macros for new types.
7274         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7275         Remove.
7276         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7277         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7278         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7279         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7280         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7281         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7282         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7283         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7284         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7285         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7286         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7287         int16_type_node, int32_type_node, int64_type_node,
7288         uint8_type_node, uint16_type_node, c_uint32_type_node,
7289         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7290         int_least32_type_node, int_least64_type_node,
7291         uint_least8_type_node, uint_least16_type_node,
7292         uint_least32_type_node, uint_least64_type_node,
7293         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7294         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7295         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7296         uintptr_type_node): Define.
7297         * c-cppbuiltin.c (builtin_define_constants,
7298         builtin_define_type_minmax): New.
7299         (builtin_define_stdint_macros): Define more macros.
7300         (c_cpp_builtins): Define more limit macros.
7301         (type_suffix): New.
7302         (builtin_define_type_max): Define in terms of
7303         builtin_define_type_minmax.  Remove is_long parameter.  All
7304         callers changed.
7305         * config.gcc (use_gcc_stdint): Define.
7306         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7307         Add newlib-stdint.h for generic targets.
7308         * config/glibc-stdint.h, config/newlib-stdint.h,
7309         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7310         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7311         * config/score/score.h (UINTPTR_TYPE): Define.
7312         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7313         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7314         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7315         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7316         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7317         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7318         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7319         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7320         * config/spu/spu.h (STDINT_LONG32): Define.
7321         * configure.ac (use_gcc_stdint): Substitute.
7322         * configure: Regenerate.
7323         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7324         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7325         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7326         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7327         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7328         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7329         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7330         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7331         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7332         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7333         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7334         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7335         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7336         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7337         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7338         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7339         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7340         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7341         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7342         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7343         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7344         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7345         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7346         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7347         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7348         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7349         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7350         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7351         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7352
7353 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7354
7355         * loop-iv.c (suitable_set_for_replacement): Renamed from
7356         simplify_using_assignment; changed to return bool and to accept new
7357         args DEST and SRC.  Return true iff we find a source/destination pair
7358         that can be used to make a replacement, and fill SRC and DEST if so.
7359         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7360         changed.
7361         (simplify_using_initial_values): Deal with altered regs here and track
7362         more precisely the effect they have on the validity of our expression.
7363
7364         * loop-iv.c (simplify_using_condition): A condition of the form
7365         (EQ REG CONST) can be used to simply make a substitution.
7366         (simplify_using_initial_values): Keep track of conditions we have seen
7367         and keep using them to simplify new expressions, while applying the
7368         same substitutions to them as to the expression.
7369
7370         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7371         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7372         GEU/LTU reversed.
7373
7374         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7375         changed.  Use this when trying to improve the upper bound.
7376         Generate the comparison by using simplify_gen_relational.
7377
7378         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7379
7380         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7381         functions.
7382         (simplify_using_assignment, simplify_using_initial_values): Call
7383         replace_in_expr to make replacements.  Call replace_single_def_regs
7384         once on the initial version of the expression.
7385
7386 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7387
7388         PR target/27237
7389         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7390
7391 2009-03-31  Richard Guenther  <rguenther@suse.de>
7392
7393         PR middle-end/31029
7394         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7395         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7396
7397 2009-03-31  Richard Guenther  <rguenther@suse.de>
7398
7399         * tree.h (div_if_zero_remainder): Declare.
7400         * fold-const.c (div_if_zero_remainder): Export.
7401         * tree-ssa-forwprop.c
7402         (forward_propagate_addr_into_variable_array_index): Handle
7403         constant array index addition outside of the variable index.
7404
7405 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7406
7407         PR target/39592
7408         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7409         define_splits, floatunssi<mode>2): Require x87 conversions from
7410         DImode to be permitted.
7411
7412 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7413
7414         PR preprocessor/15638
7415         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7416
7417 2009-03-31  Richard Guenther  <rguenther@suse.de>
7418
7419         PR middle-end/23401
7420         PR middle-end/27810
7421         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7422         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7423         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7424         a separate statement.
7425         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7426         (lookup_tmp_var): Likewise.
7427         (is_gimple_formal_tmp_or_call_rhs): Remove.
7428         (is_gimple_reg_or_call_rhs): Rename to ...
7429         (is_gimple_reg_rhs_or_call): ... this.
7430         (is_gimple_mem_or_call_rhs): Rename to ...
7431         (is_gimple_mem_rhs_or_call): ... this.
7432         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7433         DECL_GIMPLE_REG_P only if is_formal is true.
7434         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7435         for non-proper post-modify expression gimplification.
7436         (gimplify_self_mod_expr): For post-modify expressions gimplify
7437         the lvalue to a minimal lvalue.
7438         (rhs_predicate_for): Remove formal temp case.
7439         (gimplify_modify_expr_rhs): Likewise.
7440         (gimplify_addr_expr): Use is_gimple_reg.
7441         (gimplify_expr): Remove formal temp cases.
7442         (gimple_regimplify_operands): Likewise.
7443         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7444         and FILTER_EXPR like constants.
7445         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7446         is_gimple_reg.
7447         (is_gimple_formal_tmp_rhs): Remove.
7448         (is_gimple_reg_rhs): Remove special casing.
7449         (is_gimple_mem_rhs): Fix.
7450         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7451         (is_gimple_formal_tmp_var): Remove.
7452         (is_gimple_formal_tmp_reg): Likewise.
7453         (is_gimple_min_lval): Allow invariant component ref parts.
7454         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7455         is_gimple_formal_tmp_reg): Remove declarations.
7456         * tree-cfg.c (verify_expr): Verify that variables with address
7457         taken do not have DECL_GIMPLE_REG_P set.
7458         * tree-mudflap.c (mf_build_check_statement_for): Use
7459         force_gimple_operand instead of gimplify_expr.
7460
7461 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7462
7463         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7464         schedulable rows to compute_split_row.
7465
7466 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7467
7468         PR target/31635
7469         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7470         OPT_mvrsave.
7471
7472 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7473
7474         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7475         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7476         * configure: Regenerate.
7477         * config.in: Regenerate.
7478         * config/rs6000/rs6000.opt (mtls-markers): Add.
7479         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7480         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7481         (tls_ld_aix, tls_ld_sysv): Likewise.
7482         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7483         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7484
7485 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7486
7487         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7488
7489 2009-03-30  Jan Hubicka  <jh@suse.cz>
7490
7491         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7492         out of RESX.
7493         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7494         detection and label handling.
7495
7496 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7497
7498         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7499         left_conflicts_size.
7500         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7501         ALLOCNO_LEFT_CONFLICTS_SIZE.
7502
7503         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7504         remove_allocno_from_bucket_and_push,
7505         allocno_spill_priority_compare, push_allocnos_to_stack,
7506         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7507         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7508         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7509         setup_allocno_left_conflicts_size.
7510         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7511         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7512         setup_allocno_left_conflicts_size instead of
7513         setup_allocno_left_conflicts_num.
7514
7515         * ira-build.c (ira_create_allocno): Use
7516         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7517         ALLOCNO_LEFT_CONFLICTS_NUM.
7518
7519 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7520
7521         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7522         instead of DF_LR_OUT.
7523
7524         * ira-lives.c (process_bb_node_lives): Ditto.
7525
7526         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7527         instead of DF_LR_{OUT,IN}.
7528
7529         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7530
7531         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7532
7533 2009-03-30  Jan Hubicka  <jh@suse.cz>
7534
7535         * except.c (label_to_region_map): Fix thinko.
7536
7537 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7538
7539         PR middle-end/38237
7540         * tree.h (tree_find_value): New declaration.
7541         * tree.c (tree_find_value): New function.
7542         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7543
7544 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7545
7546         PR debug/39563
7547         * c-decl.c (struct c_binding): Add locus field.
7548         (bind): Add locus argument, set locus field from it.
7549         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7550         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7551         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7552         implicitly_declare, undeclared_variable, lookup_label,
7553         declare_label, c_make_fname_decl, c_builtin_function,
7554         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7555         bind callers.
7556
7557 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7558
7559         PR target/38781
7560         * config/i386/i386.c (classify_argument): Check total size of
7561         structure.
7562
7563 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7564
7565         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7566         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7567         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7568         respectively.
7569
7570         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7571         seen_variable_array_ref while also traversing a union.
7572
7573         * tree-inline.c (optimize_inline_calls): Do not call
7574         cgraph_node_remove_callees.
7575         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7576         (pass_remove_cgraph_callee_edges): New variable.
7577         * passes.c (init_optimization_passes): Add
7578         pass_remove_cgraph_callee_edges after early inlining and before all
7579         late intraprocedural passes.
7580
7581         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7582
7583 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7584
7585         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7586         Fix typos in names.
7587
7588 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7589
7590         * combine.c (simplify_comparison): Use have_insn_for.
7591         * dojump.c (do_jump): Likewise.
7592
7593 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7594
7595         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7596         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7597         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7598         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7599         instead of sparc_compare_emitted.
7600         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7601         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7602         instead of sparc_compare_emitted.
7603
7604 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7605
7606         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7607         enter/exit cfglayout mode.
7608         (pass_partition_block): Require it.
7609         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7610         (combine_instructions): Track basic blocks instead of labels.
7611         (update_cfg_for_uncondjump): New.
7612         (try_combine): Use it.  Update jumps after rescanning.
7613         (pass_combine): Require PROP_cfglayout.
7614         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7615
7616 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7617
7618         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7619         Provide/destroy PROP_cfglayout respectively.
7620         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7621         * tree-pass.h (PROP_cfglayout): New.
7622
7623 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7624
7625         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7626         fold_convert_const_fixed_from_fixed,
7627         fold_convert_const_fixed_from_int,
7628         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7629         set TREE_CONSTANT_OVERFLOW.
7630         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7631         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7632
7633 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7634
7635         * tree-vect-loop-manip.c: New file.
7636         * tree-vectorizer.c: Update documentation and included files.
7637         (vect_loop_location): Make extern.
7638         (rename_use_op): Move to tree-vect-loop-manip.c
7639         (rename_variables_in_bb, rename_variables_in_loop,
7640         slpeel_update_phis_for_duplicate_loop,
7641         slpeel_update_phi_nodes_for_guard1,
7642         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7643         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7644         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7645         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7646         find_loop_location): Likewise.
7647         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7648         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7649         get_vectype_for_scalar_type, vect_is_simple_use,
7650         supportable_widening_operation, supportable_narrowing_operation):
7651         Likewise.
7652         (bb_in_loop_p): Move to tree-vect-loop.c.
7653         (new_loop_vec_info, destroy_loop_vec_info,
7654         reduction_code_for_scalar_code, report_vect_op,
7655         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7656         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7657         (vect_supportable_dr_alignment): Likewise.
7658         * tree-vectorizer.h (tree-data-ref.h): Include.
7659         (vect_loop_location): Declare.
7660         Reorganize function declarations according to the new file structure.
7661         * tree-vect-loop.c: New file.
7662         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7663         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7664         * tree-vect-data-refs.c: New file.
7665         * tree-vect-patterns.c (timevar.h): Don't include.
7666         * tree-vect-stmts.c: New file.
7667         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7668         tree-vect-slp.c, tree-vect-loop.c.
7669         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7670         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7671         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7672         (tree-vect-analyze.o): Remove.
7673         (tree-vect-transform.o): Likewise.
7674         (tree-vect-data-refs.o): Add rule.
7675         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7676         tree-vect-slp.o): Likewise.
7677         (tree-vect-patterns.o): Remove redundant dependencies.
7678         (tree-vectorizer.o): Likewise.
7679         * tree-vect-slp.c: New file.
7680
7681 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7682
7683         * optc-gen.awk: Warn if an option flag has multiple different
7684         help strings.
7685
7686 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7687
7688         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7689         -floop-block): Document dependences on PPL, CLooG and Graphite.
7690
7691 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7692
7693         PR rtl-optimization/323
7694         * c-common.c (c_fully_fold, convert_and_check,
7695         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7696         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7697         * c-common.def (EXCESS_PRECISION_EXPR): New.
7698         * c-cppbuiltin.c (builtin_define_float_constants): Define
7699         constants with enough digits for long double.
7700         * c-lex.c (interpret_float): Interpret constant with excess
7701         precision where appropriate.
7702         * c-opts.c (c_common_post_options): Set
7703         flag_excess_precision_cmdline.  Give an error for
7704         -fexcess-precision=standard for C++ for processors where the
7705         option is significant.
7706         * c-parser.c (c_parser_conditional_expression): Handle excess
7707         precision in condition.
7708         * c-typeck.c (convert_arguments): Handle arguments with excess
7709         precision.
7710         (build_unary_op): Move excess precision outside operation.
7711         (build_conditional_expr): Likewise.
7712         (build_compound_expr): Likewise.
7713         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7714         (build_modify_expr): Handle excess precision in RHS.
7715         (convert_for_assignment): Handle excess precision in converted
7716         value.
7717         (digest_init, output_init_element, process_init_element): Handle
7718         excess precision in initializer.
7719         (c_finish_return): Handle excess precision in return value.
7720         (build_binary_op): Handle excess precision in operands and add
7721         excess precision as needed for operation.
7722         * common.opt (-fexcess-precision=): New option.
7723         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7724         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7725         For standard excess precision, output explicit conversion to and
7726         truncation from XFmode.
7727         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7728         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7729         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7730         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7731         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7732         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7733         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7734         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7735         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7736         define_splits, sqrt<mode>2): Disable where appropriate for
7737         standard excess precision.
7738         * convert.c (convert_to_real): Do not shorten arithmetic to type
7739         for which excess precision would be used.
7740         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7741         * doc/invoke.texi (-fexcess-precision=): Document option.
7742         (-mfpmath=): Correct index entry.
7743         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7744         flag_excess_precision): New.
7745         * langhooks.c (lhd_post_options): Set
7746         flag_excess_precision_cmdline.
7747         * opts.c (common_handle_option): Handle -fexcess-precision=.
7748         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7749         init_excess_precision): New.
7750         (lang_dependent_init_target): Call init_excess_precision.
7751         * tree.c (excess_precision_type): New.
7752         * tree.h (excess_precision_type): Declare.
7753
7754 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7755
7756         PR c/35235
7757         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7758         non-lvalue to component.
7759
7760 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7761
7762         PR preprocessor/34695
7763         * Makefile.in (c-opts.o): Depend on c-tree.h.
7764         * c-common.c: Move down include of diagnostic.h.
7765         (done_lexing, c_cpp_error): New.
7766         * c-common.h (done_lexing): Declare.
7767         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7768         (parse_in).
7769         * c-opts.c: Include c-tree.h.
7770         (c_common_init_options): Set preprocessor error callback.
7771         (c_common_handle_option): Do not set preprocessor
7772         inhibit_warnings, warnings_are_errors, warn_system_headers,
7773         pedantic_errors or inhibit_warnings flags.
7774         (c_common_post_options): Do not check cpp_errors (parse_in).
7775         (c_common_finish): Do not output dependencies if there were
7776         errors.  Do not check return value of cpp_finish.
7777         * c-ppoutput.c (pp_file_change): Set input_location.
7778         * c-tree.h (c_cpp_error): Declare.
7779         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7780         override_column.
7781         (diagnostic_build_prefix): Check override_column.
7782         * diagnostic.h (diagnostic_info): Add override_column field.
7783         (diagnostic_override_column): Define.
7784
7785 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7786
7787         * c-common.c (c_expand_expr, c_staticp): Remove.
7788         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7789         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7790         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7791         * c-gimplify.c (gimplify_compound_literal_expr,
7792         optimize_compound_literals_in_ctor): Remove.
7793         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7794         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7795         * c-semantics.c (emit_local_var): Remove.
7796
7797         * langhooks-def.h (lhd_expand_expr): Remove.
7798         * langhooks.c (lhd_expand_expr): Remove.
7799         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7800
7801         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7802         handling from c-semantics.c; don't call into langhook.
7803         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7804         * gimplify.c (gimplify_compound_literal_expr,
7805         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7806         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7807         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7808         as was done in c-gimplify.c.
7809         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7810         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7811         Move from c-common.h.
7812         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7813
7814         * tree.c (staticp): Do not call langhook.
7815         * langhooks.c (lhd_staticp): Delete.
7816         * langhooks-def.h (lhd_staticp): Delete prototype.
7817         (LANG_HOOKS_STATICP): Delete.
7818         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7819
7820         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7821         instead of DECL_STMTs.
7822
7823 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7824
7825         PR c/456
7826         PR c/5675
7827         PR c/19976
7828         PR c/29116
7829         PR c/31871
7830         PR c/35198
7831         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7832         void_type_node.
7833         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7834         contained expression.
7835         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7836         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7837         conditional expressions for C.
7838         (decl_constant_value_for_optimization): Move from
7839         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7840         whether optimizing and that the expression is a VAR_DECL not of
7841         array type instead of doing such checks in the caller.  Do not
7842         check pedantic.  Call gcc_unreachable for C++.
7843         * c-common.def (C_MAYBE_CONST_EXPR): New.
7844         * c-common.h (c_fully_fold, c_save_expr,
7845         decl_constant_value_for_optimization): New prototypes.
7846         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7847         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7848         EXPR_INT_CONST_OPERANDS): Define.
7849         * c-convert.c (convert): Strip nops from expression.
7850         * c-decl.c (groktypename): Take extra parameters expr and
7851         expr_const_operands.  Update call to grokdeclarator.
7852         (start_decl): Update call to grokdeclarator.  Add statement for
7853         expressions used in type of decl.
7854         (grokparm): Update call to grokdeclarator.
7855         (push_parm_decl): Update call to grokdeclarator.
7856         (build_compound_literal): Add parameter non_const and build a
7857         C_MAYBE_COSNT_EXPR if applicable.
7858         (grokdeclarator): Take extra parameters expr and
7859         expr_const_operands.  Track expressions used in declaration
7860         specifiers and declarators.  Fold array sizes and track whether
7861         they are constant expressions and whether they are integer
7862         constant expressions.
7863         (parser_xref_tag): Set expr and expr_const_operands fields in
7864         return value.
7865         (grokfield): Update call to grokdeclarator.
7866         (start_function): Update call to grokdeclarator.
7867         (build_null_declspecs): Set expr and expr_const_operands fields in
7868         return value.
7869         (declspecs_add_type): Handle expressions in typeof specifiers.
7870         * c-parser.c (c_parser_declspecs): Set expr and
7871         expr_const_operands fields for declaration specifiers.
7872         (c_parser_enum_specifier): Likewise.
7873         (c_parser_struct_or_union_specifier): Likewise.
7874         (c_parser_typeof_specifier): Likewise.  Update call to
7875         groktypename.  Fold expression as needed.  Return expressions with
7876         type instead of adding statements.
7877         (c_parser_attributes): Update calls to c_parser_expr_list.
7878         (c_parser_statement_after_labels): Fold expression before passing
7879         to objc_build_throw_stmt.
7880         (c_parser_condition): Fold expression.
7881         (c_parser_asm_operands): Fold expression.
7882         (c_parser_conditional_expression): Use c_save_expr.  Update call
7883         to build_conditional_expr.
7884         (c_parser_alignof_expression): Update call to groktypename.
7885         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7886         original_code.  Fold expression argument of va_arg.  Create
7887         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7888         argument to va_arg.  Update calls to groktypename.  Fold array
7889         index for offsetof.  Verify that first argument to
7890         __builtin_choose_expr has integer type.
7891         (c_parser_postfix_expression_after_paren_type): Update calls to
7892         groktypename and build_compound_literal.  Handle expressions with
7893         side effects in type name.
7894         (c_parser_postfix_expression_after_primary): Update call to
7895         c_parser_expr_list.  Set original_code for calls to
7896         __builtin_constant_p.
7897         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7898         expressions if requested.
7899         (c_parser_objc_type_name): Update call to groktypename.
7900         (c_parser_objc_synchronized_statement): Fold expression.
7901         (c_parser_objc_receiver): Fold expression.
7902         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7903         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7904         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7905         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7906         (struct c_typespec): Add elements expr and expr_const_operands.
7907         (struct c_declspecs): Add elements expr and expr_const_operands.
7908         (groktypename, build_conditional_expr, build_compound_literal):
7909         Update prototypes.
7910         (in_late_binary_op): Declare.
7911         * c-typeck.c (note_integer_operands): New function.
7912         (in_late_binary_op): New variable.
7913         (decl_constant_value_for_broken_optimization): Move to c-common.c
7914         and rename to decl_constant_value_for_optimization.
7915         (default_function_array_conversion): Do not strip nops.
7916         (default_conversion): Do not call
7917         decl_constant_value_for_broken_optimization.
7918         (build_array_ref): Do not fold result.
7919         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7920         result when operand is a VLA.
7921         (c_expr_sizeof_type): Update call to groktypename.  Handle
7922         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7923         result when operand names a VLA type.
7924         (build_function_call): Update call to build_compound_literal.
7925         Only fold result for calls to __builtin_* functions.  Strip
7926         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7927         the function designator.
7928         (convert_arguments): Fold arguments.  Update call to
7929         convert_for_assignment.
7930         (build_unary_op): Handle increment and decrement of
7931         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7932         decrement earlier.  Fold operand of increment and decrement.
7933         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7934         built for integer operand.  Wrap returns that are INTEGER_CSTs
7935         without being integer constant expressions or that have integer
7936         constant operands without being INTEGER_CSTs.
7937         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7938         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7939         result is an integer constant expression or can be used in
7940         unevaluated parts of one and avoid folding and wrap as
7941         appropriate.  Fold operands before possibly doing -Wsign-compare
7942         warnings.
7943         (build_compound_expr): Wrap result for C99 if operands can be used
7944         in integer constant expressions.
7945         (build_c_cast): Update call to digest_init.  Do not ignore
7946         overflow from casting floating-point constants to integers.  Wrap
7947         results that could be confused with integer constant expressions,
7948         null pointer constants or floating-point constants.
7949         (c_cast_expr): Update call to groktypename.  Handle expressions
7950         included in type name.
7951         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7952         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7953         Update calls to convert_for_assignment.
7954         (convert_for_assignment): Take new parameter
7955         null_pointer_constant.  Do not strip nops or call
7956         decl_constant_value_for_broken_optimization.  Set
7957         in_late_binary_op for conversions to boolean.
7958         (store_init_value): Update call to digest_init.
7959         (digest_init): Take new parameter null_pointer_constant.  Do not
7960         call decl_constant_value_for_broken_optimization.  pedwarn for
7961         initializers not constant expressions.  Update calls to
7962         convert_for_assignment.
7963         (constructor_nonconst): New.
7964         (struct constructor_stack): Add nonconst element.
7965         (really_start_incremental_init, push_init_level, pop_init_level):
7966         Handle constructor_nonconst and nonconst element.
7967         (set_init_index): Call constant_expression_warning for array
7968         designators.
7969         (output_init_element): Fold value.  Set constructor_nonconst as
7970         applicable.  pedwarn for initializers not constant expressions.
7971         Update call to digest_init.  Call constant_expression_warning
7972         where constant initializers are required.
7973         (process_init_element): Use c_save_expr.
7974         (c_finish_goto_ptr): Fold expression.
7975         (c_finish_return): Fold return value.  Update call to
7976         convert_for_assignment.
7977         (c_start_case): Fold switch expression.
7978         (c_process_expr_stmt): Fold expression.
7979         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7980         ensure statement expression is not evaluated in constant expression.
7981         (build_binary_op): Track whether results are integer constant
7982         expressions or may occur in such, disable folding and wrap results
7983         as applicable.  Fold operands for -Wsign-compare warnings unless
7984         in_late_binary_op.
7985         (c_objc_common_truthvalue_conversion): Handle results folded to
7986         integer constants that are not integer constant expressions.
7987         * doc/extend.texi: Document when typeof operands are evaluated,
7988         that condition of __builtin_choose_expr is an integer constant
7989         expression, and more about use of __builtin_constant_p in
7990         initializers.
7991
7992 2009-03-29  Richard Guenther  <rguenther@suse.de>
7993
7994         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7995         propagate addresses of array references.
7996
7997 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7998
7999         * regmove.c (perhaps_ends_bb_p): Remove.
8000         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8001         from INSN and check that the main loop stays within that basic block.
8002         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8003         (regmove_forward_pass): Split out from regmove_optimize.  Use
8004         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8005         (regmove_backward_pass): Split out from regmove_optimize.  Use
8006         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8007         (regmove_optimize): Simplify.
8008
8009 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8010
8011         PR target/39545
8012         * config/i386/i386.c (classify_argument): Ignore flexible array
8013         member in struct and warn ABI change.
8014
8015 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8016
8017         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8018
8019         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8020         (ix86_adjust_cost): Updated.
8021
8022 2009-03-29  Jan Hubicka  <jh@suse.cz>
8023
8024         PR middle-end/28850
8025         * tree-pass.h (pass_cleanup_eh): New function.
8026         (remove_unreachable_regions): Break code handling RTL
8027         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8028         that can not be reached by runtime.
8029         (can_be_reached_by_runtime): New function.
8030         (label_to_region_map): New function.
8031         (num_eh_regions): New function.
8032         (rtl_remove_unreachable_regions): New function.
8033         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8034         (remove_eh_region): New function.
8035         * except.h: Include sbitmap and vecprim.
8036         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8037         num_eh_regions): Declare.
8038         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8039         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8040         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8041         (tree_empty_eh_handler_p): New function.
8042         (cleanup_empty_eh): New function.
8043         (cleanup_eh): New function.
8044         (pass_cleanup_eh): New function.
8045
8046 2009-03-29  Jan Hubicka  <jh@suse.cz>
8047
8048         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8049         for removed regions.
8050
8051 2009-03-29  Jan Hubicka  <jh@suse.cz>
8052
8053         * except.c (dump_eh_tree): Dump all datastructures.
8054
8055 2009-03-29  Jan Hubicka  <jh@suse.cz>
8056
8057         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8058         (duplicate_eh_regions_1): Likewise.
8059         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8060         vector; call EH verification.
8061         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8062         Be ready for region being removed.
8063
8064 2009-03-29  Jan Hubicka  <jh@suse.cz>
8065
8066         * bitmap.c (bitmap_last_set_bit): New function.
8067         * bitmap.h (bitmap_last_set_bit): Declare.
8068
8069 2009-03-29  David Ayers  <ayers@fsfe.org>
8070
8071         PR objc/27377
8072         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8073         by calling objc_compare_types and surpress warnings about
8074         incompatible C pointers that are compatible ObjC pointers.
8075
8076 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8077
8078         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8079         call initialize_inline_failed.
8080         (initialize_inline_failed): Move it from here ...
8081         * cgraph.c (initialize_inline_failed): ... to here.
8082         (cgraph_create_edge): Call initialize_inline_failed rather than
8083         setting inline_failed directly.
8084
8085 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8086
8087         PR target/32542
8088         * sysv4.opt (msdata): Improve comment.
8089         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8090         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8091
8092 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8093
8094         PR target/30451
8095         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8096         load and store attributes.
8097
8098 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8099
8100         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8101         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8102         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8103         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8104         __builtin_infq and __builtin_huge_valq.
8105
8106 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8107
8108         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8109         atmega8m1 devices.
8110         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8111         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8112
8113 2009-03-28  Xinliang David Li  <davidxl@google.com>
8114
8115         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8116         (do_dbg_cnt): New function.
8117
8118 2009-03-28  Jan Hubicka  <jh@suse.cz>
8119
8120         Merge from pretty-ipa:
8121
8122         2009-03-27  Jan Hubicka  <jh@suse.cz>
8123
8124         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8125         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8126         * passes.c (function_called_by_processed_nodes_p): New.
8127         * ipa-pure-const.c (check_call): Fix handling of operands.
8128         (analyze_function): Dump debug output for skipped bodies.
8129         (local_pure_const): Use function_called_by_processed_nodes_p.
8130         * dwarf2out.c (reference_to_unused): Use output.
8131         * passes.c (do_per_function_toporder): Likewise.
8132
8133         2008-11-12  Jan Hubicka  <jh@suse.cz>
8134
8135         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8136         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8137         state_set_in_source enum
8138         (check_decl): Ignore memory tags; do not set fake looping flags;
8139         dump diagnostics.
8140         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8141         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8142         (check_call, analyze_function): Rewrite.
8143         (check_stmt): New.
8144         (add_new_function): Update call of analyze_function.
8145         (generate_summary): Add call of analyze_function.
8146         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8147         (local_pure_const): New function.
8148         (pass_local_pure_const): New pass.
8149         * ipa-inline.c (inline_transform): Set after_inlining.
8150         * tree-eh.c (stmt_can_throw_external): New.
8151         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8152         work with aliasing built.
8153         * tree-flow.h (stmt_can_throw_external): New.
8154         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8155         and local pure/const pass in early and late optimization queue.
8156
8157 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8158
8159         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8160         allow_func_align.
8161         (fold_binary): Allow function decl aligment consideration is the
8162         second argument is integer constant one.
8163         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8164         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8165         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8166
8167 2009-03-28  Jan Hubicka  <jh@suse.cz>
8168
8169         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8170         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8171         * function.h (rtl_data): Add nothrow flag.
8172         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8173         set DECL_NOTHROW for AVAILABLE functions.
8174
8175 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8176
8177         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8178         following vector keyword has expansion starting with pixel or bool
8179         keyword, expand vector to __vector and pixel or bool to __pixel or
8180         __bool.
8181
8182         PR c++/39554
8183         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8184         warn_if_disallowed_function_p): Removed.
8185         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8186         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8187         warning_if_disallowed_function_p.
8188         * flags.h (warn_if_disallowed_function_p,
8189         warn_disallowed_functions): Removed.
8190         * common.opt (Wdisallowed-function-list=): Removed.
8191         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8192
8193 2009-03-28  Richard Guenther  <rguenther@suse.de>
8194
8195         PR tree-optimization/38723
8196         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8197         the entry block.
8198
8199 2009-03-28  Jan Hubicka  <jh@suse.cz>
8200
8201         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8202         test introduced by my previous patch.
8203
8204 2009-03-28  Richard Guenther  <rguenther@suse.de>
8205
8206         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8207         the PHIs value undefined.
8208
8209 2009-03-28  Jan Hubicka  <jh@suse.cz>
8210
8211         * tree-pass.h (pass_fixup_cfg): New pass.
8212         * ipa-inline.c (inline_transform): Set
8213         always_inline_functions_inlined/after_inlining.
8214         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8215         (pass_fixup_cfg): New pass.
8216         * passes.c (init_optimization_passes): Add fixup_cfg.
8217
8218 2009-03-28  Richard Guenther  <rguenther@suse.de>
8219
8220         PR tree-optimization/38458
8221         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8222         argument use the arguments copy-of value.
8223
8224 2009-03-28  Richard Guenther  <rguenther@suse.de>
8225
8226         PR tree-optimization/38180
8227         * tree-ssa-ccp.c (get_default_value): Simplify.
8228         (likely_value): Likewise.
8229         (surely_varying_stmt_p): Properly handle VOP case.
8230         (ccp_initialize): Likewise.
8231         (ccp_fold): Handle propagating through *&.
8232         (fold_const_aggregate_ref): Also handle decls.
8233
8234 2009-03-28  Jan Hubicka  <jh@suse.cz>
8235
8236         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8237         * cgraph.h (cgraph_node): Likewise.
8238         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8239         (cgraph_reset_node): Use process flag.
8240         (cgraph_mark_functions_to_output): Likewise.
8241         (cgraph_expand_function): Likewise.
8242         (cgraph_expand_all_functions): Likewise.
8243         (cgraph_output_in_order): Likewise.
8244         * dwarf2out.c (reference_to_unused): Likewise.
8245         * passes.c do_per_function_toporder): Likewise.
8246
8247 2009-03-28  Jan Hubicka  <jh@suse.cz>
8248
8249         Bring from lto-branch:
8250
8251         2008-09-03  Doug Kwan  <dougkwan@google.com>
8252
8253         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8254         enums instead of reason strings.
8255         * cgraph.c (cgraph_create_edge): Same.
8256         (cgraph_inline_failed_string): New function.
8257         * cgraph.h (cgraph_inline_failed_t): New enum type.
8258         (cgraph_inline_failed_string): New prototype.
8259         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8260         char pointer to cgraph_inline_failed_t.
8261         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8262         (cgraph_default_inline_p): Ditto.
8263         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8264         to cgraph_inline_failed_t pointer.
8265         * cif-code.def: New file.
8266         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8267         reason string.
8268         (cgraph_check_inline_limits): Change type of REASON to pointer to
8269         cgraph_inline_failed_t.  Replace reason strings with enums.
8270         (cgraph_default_inline_p): Ditto.
8271         (cgraph_recursive_inlining_p): Ditto.
8272         (update_caller_keys): Change type of FAILED_REASON to
8273         cgraph_inline_failed_t.
8274         (cgraph_set_inline_failed): Change type of REASON to pointer to
8275         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8276         convert enums to strings for text output.
8277         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8278         to be of type cgraph_inline_failed_t.  Replace reason strings with
8279         enums.  Call cgraph_inline_failed_string to covert enums
8280         to strings for text output.
8281         (cgraph_decide_inlining): Replace reason strings with enums.
8282         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8283         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8284         for text output.
8285         * tree-inline.c (expand_call_inline): Change type of REASON
8286         to cgraph_inline_failed_t.  Replace reason strings with enums.
8287         Call cgraph_inline_failed_string for text output.
8288         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8289         (cgraph.o): Ditto.
8290
8291 2009-03-28  Jan Hubicka  <jh@suse.cz>
8292
8293         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8294         cgraph_clone_node): Remove master clone handling.
8295         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8296         * cgraph.h (master_clone): Remove.
8297         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8298         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8299         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8300
8301 2009-03-28  Jan Hubicka  <jh@suse.cz>
8302
8303         * cgraph.c (cgraph_function_body_availability): Functions declared
8304         inline are always safe to assume that it is not going to be replaced.
8305
8306 2009-03-28  Richard Guenther  <rguenther@suse.de>
8307
8308         PR tree-optimization/38513
8309         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8310         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8311         EXC_PTR_EXPR and FILTER_EXPR.
8312         (get_ref_from_reference_ops): Likewise.
8313
8314 2009-03-28  Richard Guenther  <rguenther@suse.de>
8315
8316         PR tree-optimization/38968
8317         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8318         Use FLOOR_MOD_EXPR to compute misalignment.
8319
8320 2009-03-28  Richard Guenther  <rguenther@suse.de>
8321
8322         PR tree-optimization/37795
8323         * tree.h (combine_comparisons): Declare.
8324         * fold-const.c (combine_comparisons): Export.
8325         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8326         comparisons.
8327         (ifcombine_iforif): Use combine_comparisons.
8328
8329 2009-03-28  Jan Hubicka  <jh@suse.cz>
8330
8331         * tree-eh.c (inlinable_call_p): New function.
8332         (make_eh_edges): Use it.
8333         (verify_eh_edges): Use it.
8334         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8335         * except.c (reachable_next_level): Add inlinable_function argument
8336         (sjlj_find_directly_reachable_regions): Update.
8337         (add_reachable_handler): Do not set saw_any_handlers.
8338         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8339         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8340         Add new inlinable call parameter.
8341         (can_throw_internal, can_throw_external): Update.
8342         * except.h (can_throw_internal_1, can_throw_external_1,
8343         foreach_reachable_handler): Update declaration.
8344
8345 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8346
8347         * config/arm/t-arm-coff, config/h8300/coff.h,
8348         config/i386/i386-aout.h, config/i386/i386-coff.h,
8349         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8350         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8351         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8352         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8353         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8354         sys-types.h: Remove.
8355         * Makefile.in: Remove protoize and fixproto support and references
8356         in comments.
8357         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8358         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8359         Remove.
8360         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8361         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8362         unprotoize$(exeext).
8363         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8364         (.PHONY): Don't depend on proto.
8365         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8366         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8367         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8368         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8369         build/gen-protos.o, build/scan.o, xsys-protos.h,
8370         build/fix-header$(build_exeext), build/fix-header.o,
8371         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8372         stmp-install-fixproto): Remove.
8373         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8374         SYSCALLS.c or fixproto files.
8375         (install-common): Don't install protoize.
8376         (install-headers-tar, install-headers-cpio, install-headers-cp):
8377         Don't depend on $(STMP_FIXPROTO).
8378         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8379         install fixproto files or write out fixproto settings.
8380         (uninstall): Don't uninstall protoize.
8381         * config.gcc (use_fixproto): Remove.
8382         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8383         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8384         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8385         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8386         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8387         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8388         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8389         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8390         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8391         * config/t-vxworks (STMP_FIXPROTO): Remove.
8392         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8393         STMP_FIXPROTO): Remove.
8394         * config.in, configure: Regenerate.
8395         * crtstuff.c (gid_t, uid_t): Don't undefine.
8396         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8397         (arm-*-coff, arm-*-aout: Remove target entries.
8398         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8399         Remove mention of AIX 4.1.
8400         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8401         * doc/invoke.texi (Running Protoize): Remove.
8402         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8403         (Protoize Caveats): Remove.
8404         * tsystem.h: Update comments on headers assumed to exist.
8405
8406 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8407
8408         * genautomata.c: Add a new year to the copyright.  Add a new
8409         reference.
8410         (struct insn_reserv_decl): Add comments for member bypass_list.
8411         (find_bypass): Remove.
8412         (insert_bypass): New.
8413         (process_decls): Use insert_bypass.
8414         (output_internal_insn_latency_func): Output all bypasses with the
8415         same input insn in one switch case.
8416
8417         * rtl.def (define_bypass): Describe bypass choice.
8418         * doc/md.texi (define_bypass): Ditto.
8419
8420 2009-03-27  Richard Guenther  <rguenther@suse.de>
8421
8422         * gimplify.c (mark_addressable): Export.
8423         * tree-flow.h (mark_addressable): Declare.
8424         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8425         * tree-ssa.c (verify_phi_args): Verify that address taken
8426         variables have TREE_ADDRESSABLE set.
8427
8428 2009-03-27  Richard Guenther  <rguenther@suse.de>
8429
8430         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8431         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8432         Do not mark decls TREE_ADDRESSABLE.
8433         (build_fold_addr_expr): Adjust.
8434         (fold_addr_expr): Remove.
8435         (fold_unary): Use build_fold_addr_expr.
8436         (fold_comparison): Likewise.
8437         (split_address_to_core_and_offset): Likewise.
8438         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8439         TREE_ADDRESSABLE.
8440         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8441         (gimplify_modify_expr_to_memcpy): Mark source and destination
8442         addressable.
8443         * omp-low.c (create_omp_child_function): Mark the object decl
8444         TREE_ADDRESSABLE.
8445         (lower_rec_input_clauses): Mark the var we take the address of
8446         TREE_ADDRESSABLE.
8447         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8448
8449 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8450
8451         PR middle-end/39315
8452         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8453         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8454
8455 2009-03-27  Richard Guenther  <rguenther@suse.de>
8456
8457         PR tree-optimization/39120
8458         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8459         constraints.
8460         (handle_lhs_call): Process return constraints.  Add escape
8461         constraints if necessary.
8462         (handle_const_call): Fill out return constraints.  Make nested
8463         case more precise.  Avoid consttmp if possible.
8464         (handle_pure_call): Fill out return constraints.  Avoid
8465         callused if possible.
8466         (find_func_aliases): Simplify call handling.
8467
8468 2009-03-27  Richard Guenther  <rguenther@suse.de>
8469
8470         PR tree-optimization/39120
8471         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8472         as a representative.
8473         (solve_graph): Do propagate CALLUSED.
8474         (handle_pure_call): Use a scalar constraint from CALLUSED for
8475         the return value.
8476         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8477         solutions.
8478
8479 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8480
8481         PR c/39323
8482         * c-common.c (handle_aligned_attribute): Properly check alignment
8483         overflow.  Use (1U << i) instead of (1 << i).
8484
8485         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8486
8487         * expr.h (get_mem_align_offset): Updated.
8488
8489         * tree.h (tree_decl_common): Change align to "unsigned int" and
8490         move it before pointer_alias_set.
8491
8492 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8493             Jakub Jelinek  <jakub@redhat.com>
8494
8495         PR target/38034
8496         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8497         gr_register_operand with gr_reg_or_0_operand.
8498         (cmpxchg_rel_di): Likewise.
8499         (sync_lock_test_and_set<mode>): Likewise.
8500
8501 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8502
8503         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8504         (true_regnum): Likewise.
8505
8506         * rtlanal.c (subreg_info): Moved to ...
8507         * rtl.h (subreg_info): Here.  New.
8508         (subreg_get_info): New.
8509
8510         * rtlanal.c (subreg_get_info): Make it extern.
8511
8512 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8513
8514         PR target/39472
8515         * config/i386/i386.c (ix86_abi): New.
8516         (override_options): Handle -mabi=.
8517         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8518         (ix86_call_abi_override): Likewise.
8519         (init_cumulative_args): Likewise.
8520         (function_arg_advance): Likewise.
8521         (function_arg_64): Likewise.
8522         (function_arg): Likewise.
8523         (ix86_pass_by_reference): Likewise.
8524         (ix86_function_value_regno_p): Likewise.
8525         (ix86_build_builtin_va_list_abi): Likewise.
8526         (setup_incoming_varargs_64): Likewise.
8527         (is_va_list_char_pointer): Likewise.
8528         (ix86_init_machine_status): Likewise.
8529         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8530         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8531         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8532         (ix86_function_abi): Make it static and return enum calling_abi.
8533         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8534         with ix86_abi.
8535         (ix86_fn_abi_va_list): Updated.
8536
8537         * config/i386/i386.h (ix86_abi): New.
8538         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8539         (CONDITIONAL_REGISTER_USAGE): Likewise.
8540         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8541         (machine_function): Likewise.
8542
8543         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8544         with ix86_abi.
8545         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8546         (STACK_BOUNDARY): Likewise.
8547         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8548
8549         * config/i386/i386.opt (mabi=): New.
8550
8551         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8552         return enum calling_abi.
8553         (ix86_function_type_abi): Likewise.
8554         (ix86_function_abi): Removed.
8555
8556         * doc/invoke.texi: Document -mabi= option for x86.
8557
8558 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8559
8560         * builtins.c (real_dconstp): Delete.
8561         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8562
8563 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8564             Jakub Jelinek  <jakub@redhat.com>
8565
8566         PR debug/37959
8567         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8568         (gen_subprogram_die): When a function is explicit, generate the
8569         DW_AT_explicit attribute.
8570         * langhooks.h (struct lang_hooks_for_decls): Add
8571         function_decl_explicit_p langhook.
8572         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8573         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8574
8575 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8576
8577         * builtins.c (fold_builtin_memory_op): Optimize memmove
8578         into memcpy if we can prove source and destination don't overlap.
8579
8580         * tree-inline.c: Include gt-tree-inline.h.
8581         (clone_fn_id_num): New variable.
8582         (clone_function_name): New function.
8583         (tree_function_versioning): Use it.
8584         * Makefile.in (GTFILES): Add tree-inline.c.
8585
8586 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8587
8588         * BASE-VER: Change to 4.5.0.
8589
8590 2009-03-27  Xinliang David Li  <davidxl@google.com>
8591
8592         PR tree-optimization/39557
8593         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8594
8595 2009-03-27  Xinliang David Li  <davidxl@google.com>
8596
8597         PR tree-optimization/39548
8598         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8599         candidate check.
8600
8601 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8602
8603         * c-common.c (pointer_int_sum): Use %wd on return from
8604         tree_low_cst.
8605
8606 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8607
8608         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8609         on return from tree_low_cst.
8610
8611 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8612
8613         PR c++/36799
8614         * ginclude/stdarg.h (va_copy): Define also for
8615         __GXX_EXPERIMENTAL_CXX0X__.
8616
8617 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8618
8619         PR c++/35652
8620         * builtins.h (c_strlen): Do not warn here.
8621         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8622         * c-common.c (pointer_int_sum): Take an explicit location.
8623         Warn about offsets out of bounds.
8624         * c-common.h (pointer_int_sum): Adjust declaration.
8625
8626 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8627
8628         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8629         markup glitch.
8630
8631 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8632
8633         PR c++/39554
8634         * opts.c (warn_if_disallowed_function_p): Don't assume
8635         get_callee_fndecl must return non-NULL.
8636
8637 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8638
8639         PR rtl-optimization/39522
8640         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8641         when reg_reloaded_valid is set.
8642
8643 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8644
8645         * config/spu/divv2df3.c: New file.
8646         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8647         (DPBIT_FUNCS): Filter out _div_df.
8648
8649 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8650
8651         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8652         a jump insn, count that jump in the distance to the loop start.
8653
8654 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8655
8656         PR target/39523
8657         * config/sh/sh.c (calc_live_regs): Fix condition for global
8658         registers except PIC_OFFSET_TABLE_REGNUM.
8659
8660 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8661
8662         PR/39518
8663         * doc/invoke.texi (-mconsole): New.
8664         (-mcygwin): New.
8665         (-mno-cygwin): New.
8666         (-mdll): New.
8667         (-mnop-fun-dllimport): New.
8668         (-mthread): New.
8669         (-mwin32): New.
8670         (-mwindows): New.
8671         (sub section "i386 and x86-64 Windows Options"): New.
8672
8673 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8674
8675         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8676         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8677
8678 2009-03-25  Richard Guenther  <rguenther@suse.de>
8679
8680         PR middle-end/39497
8681         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8682         of -Wno-error.
8683
8684 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8685
8686         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8687         neither of haifa/selective schedulers are working.
8688
8689 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8690
8691         * doc/invoke.texi (Debugging Options): Fix description of
8692         -fno-merge-debug-strings.
8693
8694 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8695
8696         * config/cris/libgcc.ver: New version-script.
8697         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8698
8699         * configure.ac <GAS features, nop mnemonic>: Add pattern
8700         crisv32-*-* for "nop".
8701         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8702         * configure: Regenerate.
8703
8704 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8705
8706         PR tree-optimization/39529
8707         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8708         mark_sym_for_renaming for the tag copied to the new vector
8709         pointer.
8710
8711 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8712
8713         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8714         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8715         EXTRA_SPEC_FUNCTIONS.
8716         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8717         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8718         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8719         -march and -mtune options.
8720
8721 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8722
8723         * config/m68k/t-rtems: Add m5329 multilib.
8724
8725 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8726             Jakub Jelinek  <jakub@redhat.com>
8727
8728         PR debug/39524
8729         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8730         nodes.
8731
8732 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8733
8734         PR c/39495
8735         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8736         instead of c_parser_expression_conv, if original_code isn't one of the
8737         4 allowed comparison codes, fail.
8738
8739 2009-03-23  Richard Guenther  <rguenther@suse.de>
8740
8741         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8742         * tree.h (struct tree_type): Likewise.
8743         * reload.h (struct insn_chain): Likewise.
8744         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8745         * function.h (struct function): Likewise.
8746         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8747
8748 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8749
8750         PR tree-optimization/39516
8751         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8752
8753 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8754
8755         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8756         should be set true if BITS_PER_WORD of target is bigger than 32
8757
8758 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8759
8760         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8761         Translate -B-options to -rpath-link.  Correct existing
8762         rpath-link and conditionalize on !nostdlib.
8763
8764 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8765
8766         * doc/extend.texi (Function Attributes, Variable Attributes):
8767         Fix typos.
8768         * doc/invoke.texi (Debugging Options, Optimize Options)
8769         (i386 and x86-64 Options, MCore Options): Likewise.
8770
8771 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8772
8773         PR debug/37890
8774         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8775         it for block local namespace aliases.
8776         (gen_decl_die): Pass context_die to gen_namespace_die.
8777
8778 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8779
8780         PR c/39495
8781         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8782         minimum or maximum value.
8783
8784 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8785
8786         * reginfo.c (globalize_reg): Recompute derived reg sets.
8787
8788 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8789
8790         PR target/39063
8791         * libgcc2.c (mprotect): Do not use signed arguments for
8792         VirtualProtect, use DWORD arguments.  Also fix the 'may
8793         be used uninitialized' warning for the np variable.
8794
8795 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8796
8797         PR target/39496
8798         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8799         functions using regparm calling conventions when not optimizing.
8800         (ix86_function_sseregparm): Similarly for sseregparm calling
8801         conventions.
8802
8803 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8804
8805         PR middle-end/39500
8806         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8807         dependence if the first conflict is after niter iterations.
8808
8809 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8810
8811         PR middle-end/38609
8812         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8813         functions with dynamic stack-pointer adjustments.
8814
8815 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8816
8817         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8818         option; change to -msdata=data.
8819
8820 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8821
8822         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8823         and -fopenmp.
8824
8825 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8826
8827         PR target/35180
8828         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8829
8830 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8831
8832         * doc/invoke.texi (Code Gen Options): Expand discussion of
8833         -fno-common.
8834
8835 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8836
8837         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8838         * matrix-reorg.c (struct matrix_info): Likewise.
8839         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8840         * rtl.h (struct mem_attrs): Likewise.
8841         * df.h (struct df): Likewise.
8842         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8843         * ira-int.h (struct ira_allocno): Likewise.
8844         * df-scan.c (struct df_collection_rec): Likewise.
8845         * ira.c (struct equivalence): Likewise.
8846         * function.c (struct temp_slot): Likewise.
8847         * cfgloop.h (struct loop): Likewise.
8848
8849         PR debug/39485
8850         * function.c (use_register_for_decl): When not optimizing, disregard
8851         register keyword for variables with types containing methods.
8852
8853 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8854
8855         PR middle-end/39447
8856         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8857         (is_simple_operand): Call contains_component_ref_p before calling data
8858         reference analysis that would fail on COMPONENT_REFs.
8859
8860         * tree-vrp.c (search_for_addr_array): Fix formatting.
8861
8862 2009-03-18  Richard Guenther  <rguenther@suse.de>
8863
8864         * tree-vect-transform.c (vect_loop_versioning): Fold the
8865         generated comparisons.
8866         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8867         (slpeel_tree_peel_loop_to_edge): Likewise.
8868
8869 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8870
8871         PR middle-end/37805
8872         * opts.c (print_specific_help): In addition to `undocumented',
8873         accept `separate' and `joined' flags if passed alone.  Describe
8874         output by the first matched one of those.
8875         (common_handle_option): Skip over empty strings.
8876         * gcc.c (display_help): Fix help string for `--help='.
8877         * doc/invoke.texi (Option Summary, Overall Options): With
8878         `--help=', classes and qualifiers can both be repeated, but
8879         only the latter can be negated.  One should not pass only
8880         negated qualifiers.  Fix markup and examples.
8881
8882         Revert
8883         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8884         PR middle-end/37805
8885         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8886         and -fhelp=separate.
8887
8888 2009-03-17  Jing Yu  <jingyu@google.com>
8889
8890         PR middle-end/39378
8891         * function.h (struct rtl_data): Move is_thunk from here...
8892         (struct function): ...to here.
8893         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8894         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8895         cfun.
8896         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8897         cfun.
8898         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8899         (alpha_output_function_end_prologue): Likewise.
8900         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8901         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8902         (rs6000_output_function_epilogue): Likewise.
8903         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8904
8905 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8906
8907         PR target/39482
8908         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8909         from different units in a single alternative.
8910         (*truncdfsf_i387): Ditto.
8911         (*truncxfsf2_mixed): Ditto.
8912         (*truncxfdf2_mixed): Ditto.
8913
8914 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8915
8916         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8917         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8918
8919         PR debug/39474
8920         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8921         unused non-artificial variables when not optimizing.
8922
8923         PR debug/39471
8924         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8925         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8926         NAMESPACE_DECL in its DECL_INITIAL.
8927
8928         PR middle-end/39443
8929         * optabs.c (set_user_assembler_libfunc): New function.
8930         * expr.h (set_user_assembler_libfunc): New prototype.
8931         * c-common.c: Include libfuncs.h.
8932         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8933         for memcmp, memset, memcpy, memmove and abort.
8934         * Makefile.in (c-common.o): Depend on libfuncs.h.
8935
8936         PR debug/39412
8937         * dwarf2out.c (gen_inlined_enumeration_type_die,
8938         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8939         gen_tagged_type_instantiation_die): Removed.
8940         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8941         do nothing.
8942
8943 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8944
8945         PR testsuite/38526
8946         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8947         its use.
8948         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8949         (check-parallel-%): Ditto.
8950         (check-consistency): Ditto.
8951
8952 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8953
8954         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8955         local variable rhs by NULL_TREE.
8956
8957 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8958
8959         PR target/39477
8960         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8961
8962 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8963
8964         PR target/39476
8965         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8966
8967 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8968
8969         PR target/39473
8970         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8971         for ms->sysv ABI calls only in 64bit mode.
8972
8973         * config/i386/i386.md (untyped_call): Support 32bit.
8974
8975 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8976
8977         * doc/extend.texi: Replace x86_65 with x86_64.
8978
8979 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8980
8981         PR tree-optimization/39455
8982         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8983         mismatches for POINTER_TYPE_P (type).
8984         (number_of_iterations_le): Likewise.
8985
8986 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8987
8988         * config/picochip/picochip.c: Removed profiling support.
8989         * config/picochip/picochip.md: Removed profiling instruction.
8990         * config/picochip/picochip.h: Removed profiling builtin.
8991
8992 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8993
8994         * doc/install.texi (--with-host-libstdcxx): Document.
8995
8996 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8997
8998         PR target/34299
8999         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9000         generate a warning if the function name does not begin with
9001         "__vector" and the function has either the 'signal' or 'interrupt'
9002         attribute, from here to ...
9003         (avr_declare_function_name): ...here. New function.
9004         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9005         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9006
9007 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9008
9009         PR bootstrap/39454
9010         * cse.c (fold_rtx): Don't modify original const_arg1 when
9011         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9012         separate variable instead.
9013         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9014         from out of range shift counts.
9015         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9016
9017 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9018
9019         * config/i386/x-mingw32 (host-mingw32.o): Replace
9020         diagnostic.h with $(DIAGNOSTIC_H).
9021
9022 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9023
9024         PR target/39431
9025         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9026         predicate.
9027         * config/i386/sync.md (sync_compare_and_swap<mode>,
9028         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9029         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9030         into a register.
9031         (sync_double_compare_and_swapdi_pic,
9032         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9033         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9034
9035 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9036
9037         PR target/39445
9038         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9039
9040 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9041
9042         PR target/39327
9043         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9044         (avx_addsubv4df3): Likewise.
9045         (*avx_addsubv4sf3): Likewise.
9046         (sse3_addsubv4sf3): Likewise.
9047
9048 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9049
9050         PR target/38824
9051         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9052
9053 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9054
9055         PR debug/39432
9056         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9057         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9058         registers for allocnos created from user-defined variables.
9059
9060 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9061
9062         PR target/39181
9063         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9064         of non-integer mode as well.
9065
9066 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9067
9068         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9069         for functions for which the parameter types are unknown.
9070
9071 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9072
9073         PR target/39137
9074         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9075         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9076         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9077         * config/i386/i386.c (ix86_local_alignment): For
9078         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9079         long long variables on the stack to avoid dynamic realignment.
9080         Allow the first argument to be a decl rather than type.
9081         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9082
9083 2009-03-11  Nick Clifton  <nickc@redhat.com>
9084
9085         PR target/5362
9086         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9087         options.
9088         Add description to mno-lsim option.
9089         * config/mcore/mcore.h: Remove comment about deprecated m4align
9090         option.
9091         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9092         * doc/invoke.texi: Add description of mno-lsim and
9093         mstack-increment options.
9094
9095         * config/fr30/fr30.opt: Document the -mno-lsim option.
9096         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9097         and -mno-lsim options.
9098
9099 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9100
9101         * fold-const.c (fold_comparison): Only call fold_inf_compare
9102         if the mode supports infinities.
9103
9104 2009-03-11  Jason Merrill  <jason@redhat.com>
9105
9106         PR debug/39086
9107         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9108         end already did.  Notice GIMPLE_CALL modifications of the result.
9109         Don't copy debug information from an ignored decl or a decl from
9110         another function.
9111
9112 2009-03-10  Richard Guenther  <rguenther@suse.de>
9113             Nathan Froyd  <froydnj@codesourcery.com>
9114
9115         PR middle-end/37850
9116         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9117         (__divMODE3): Likewise.
9118
9119 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9120
9121         PR tree-optimization/39394
9122         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9123         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9124
9125 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9126
9127         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9128         inline asms for register asm ("") declarations.
9129
9130 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9131
9132         * fold-const.c (fold_unary): Fix comment.
9133
9134 2009-03-07  Jan Hubicka  <jh@suse.cz>
9135
9136         PR target/39361
9137         * tree-inline.c (setup_one_parameter): Do replacement of const
9138         argument by constant in SSA form.
9139
9140 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9141
9142         PR middle-end/38028
9143         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9144         determine alignment passed to assign_stack_local.
9145         (assign_parms_unsplit_complex): Likewise.
9146         * except.c (sjlj_build_landing_pads): Likewise.
9147
9148 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9149
9150         PR middle-end/39360
9151         * tree-flow.h (add_referenced_var): Return bool instead of void.
9152         * tree-dfa.c (add_referenced_var): Return result of
9153         referenced_var_check_and_insert call.
9154         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9155         of referenced_var_check_and_insert.
9156
9157         PR debug/39372
9158         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9159         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9160         DIE, don't emit it if abstract origin already has it.
9161         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9162         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9163
9164 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9165
9166         * genpreds.c (needs_variable): Fix parentheses at variable name
9167         detection.
9168         (write_tm_constrs_h): Indent generated code.
9169
9170 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9171
9172         * doc/extend.texi (Function Attributes): Add documentation
9173         for isr attributes.
9174
9175 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9176
9177         PR debug/39387
9178         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9179         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9180
9181 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9182
9183         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9184         the loop as bad.
9185
9186 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9187
9188         PR debug/39379
9189         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9190         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9191
9192 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9193
9194         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9195         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9196         constants instead of magic numbers.
9197         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9198         (QI_REG_P): Ditto.
9199         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9200         (x86_64_ms_abi_int_parameter_registers): Ditto.
9201         (x86_64_int_return_registers): Ditto.
9202         (ix86_maybe_switch_abi): Ditto.
9203         (ix86_expand_call): Ditto for clobbered_registers array.
9204         (ix86_hard_regno_mode_ok): Ditto.
9205         (x86_extended_QIreg_mentioned_p): Ditto.
9206
9207 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9208
9209         PR tree-optimization/39349
9210         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9211
9212         * combine.c (gen_lowpart_for_combine): Use omode when generating
9213         clobber.
9214
9215 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9216
9217         PR rtl-optimization/39235
9218         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9219
9220 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9221
9222         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9223
9224 2009-03-04  Richard Guenther  <rguenther@suse.de>
9225
9226         PR tree-optimization/39362
9227         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9228         that occur in abnormal PHIs should be varying.
9229
9230 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9231
9232         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9233         Extend comments.
9234         (simple_iv):  Take loop as an argument instead of statement.
9235         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9236         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9237         to simple_iv.
9238         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9239         Ditto.
9240         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9241         * matrix-reorg.c (analyze_transpose): Ditto.
9242         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9243         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9244         * tree-predcom.c (ref_at_iteration): Ditto.
9245         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9246
9247 2009-03-04  Richard Guenther  <rguenther@suse.de>
9248
9249         PR tree-optimization/39358
9250         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9251         escaped_id and callused_id.
9252         (solve_graph): Likewise.
9253
9254 2009-03-04  Richard Guenther  <rguenther@suse.de>
9255
9256         PR tree-optimization/39339
9257         * tree-sra.c (try_instantiate_multiple_fields): Make it
9258         no longer ICE on the above.
9259
9260 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9261
9262         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9263         that fits within Pmode.
9264
9265 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9266
9267         PR middle-end/10109
9268         * tm.texi (LIBCALL_VALUE): Update description.
9269
9270 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9271
9272         PR middle-end/34443
9273         * doc/extend.texi (section): Update description.
9274
9275 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9276
9277         PR middle-end/39345
9278         * tree-inline.c (remapped_type): New.
9279         (can_be_nonlocal): Call remapped_type instead of remap_type.
9280
9281 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9282
9283         PR fortran/39354
9284         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9285         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9286
9287 2009-03-03  Richard Guenther  <rguenther@suse.de>
9288
9289         PR middle-end/39272
9290         * tree.c (tree_nonartificial_location): New function.
9291         * tree.h (tree_nonartificial_location): Declare.
9292         * builtins.c (expand_builtin_memory_chk): Provide location
9293         of the call location for artificial function pieces.
9294         (maybe_emit_chk_warning): Likewise.
9295         (maybe_emit_sprintf_chk_warning): Likewise.
9296         (maybe_emit_free_warning): Likewise.
9297         * expr.c (expand_expr_real_1): Likewise.
9298
9299 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9300
9301         PR tree-optimization/39343
9302         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9303         COMPONENT_REF t has ARRAY_TYPE.
9304
9305 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9306
9307         PR middle-end/39335
9308         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9309         when the type precision of the induction variable should be
9310         larger than the type precision of nit.
9311         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9312         * graphite.c (graphite_loop_normal_form): Same.
9313         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9314
9315 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9316
9317         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9318         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9319         numbers to describe clobbered registers.
9320         (*call_value_0_rex64_ms_sysv): Ditto.
9321         * config/i386/mmx.md (mmx_emms): Ditto.
9322         (mmx_femms): Ditto.
9323
9324 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9325
9326         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9327         of ABI_64.
9328
9329 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9330
9331         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9332         (spu_section_type_flags): New function.
9333
9334 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9335
9336         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9337         reg_class_contents of FLOAT_REGS into a temporary.
9338
9339 2009-03-02  Richard Guenther  <rguenther@suse.de>
9340             Ira Rosen  <irar@il.ibm.com>
9341
9342         PR tree-optimization/39318
9343         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9344         information to the vectorized statement.
9345
9346 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9347
9348         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9349         variable.  Use defined names instead of magic constants for REX SSE
9350         registers.
9351
9352 2009-03-01  Richard Guenther  <rguenther@suse.de>
9353
9354         PR tree-optimization/39331
9355         * omp-low.c (lower_send_shared_vars): Do not receive new
9356         values for the reference of DECL_BY_REFERENCE parms or results.
9357
9358 2009-03-01  Jan Hubicka  <jh@suse.cz>
9359
9360         PR debug/39267
9361         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9362         BLOCK_NONLOCALIZED_VAR): New macros.
9363         (tree_block): Add nonlocalized_vars.
9364         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9365         gen_decl_die): Add origin argument.  Allow generation of die with
9366         origin at hand only.
9367         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9368         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9369         of gen_*.
9370         (gen_block_die): Fix checking for unused blocks.
9371         (process_scope_var): Break out from .... ; work with origins only.
9372         (decls_for_scope) ... here; process nonlocalized list.
9373         (dwarf2out_ignore_block): Look for nonlocalized vars.
9374         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9375         vars.
9376         (dump_scope_block): Dump them.
9377         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9378         (remap_block): Likewise.
9379         (can_be_nonlocal): New predicate.
9380         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9381
9382 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9383
9384         * configure: Regenerate.
9385
9386 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9387
9388         * optc-gen.awk: No need to duplicate option flags twice.
9389         Reuse help texts for duplicate options which do not have any.
9390
9391         * gcc.c (display_help): Document --version.
9392
9393         * gcc.c (main): If print_help_list and verbose_flag, ensure
9394         driver output comes before subprocess output.
9395
9396         * optc-gen.awk: Assign all remaining fields to help string,
9397         space-separated, for multi-line help in *.opt.
9398
9399         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9400         -Wno-pedantic-ms-format is for MinGW targets only.
9401
9402         * doc/options.texi (Option file format): Fix bad indentation,
9403         restoring dropped sentence.
9404
9405 2009-02-28  Jan Hubicka  <jh@suse.cz>
9406
9407         * tree-inline.c (tree_function_versioning): Output debug info.
9408
9409 2009-02-28  Jan Hubicka  <jh@suse.cz>
9410
9411         PR debug/39267
9412         * tree-inline.c (setup_one_parameter): Do not copy propagate
9413         arguments when not optimizing.
9414
9415 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9416
9417         PR target/39327
9418         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9419         (avx_addsubv4df3): Likewise.
9420         (*avx_addsubv4sf3): Likewise.
9421         (sse3_addsubv4sf3): Likewise.
9422         (*avx_addsubv2df3): Likewise.
9423         (sse3_addsubv2df3): Likewise.
9424         (avx_unpckhps256): Correct item selectors.
9425         (avx_unpcklps256): Likewise.
9426         (avx_unpckhpd256): Likewise.
9427         (avx_unpcklpd256): Likewise.
9428
9429 2009-02-28  Jan Hubicka  <jh@suse.cz>
9430
9431         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9432         static vars.
9433         (copy_arguments_for_versioning): If var is declared don't declare it.
9434         (tree_function_versioning): First setup substitutions and then copy
9435         args.
9436
9437 2009-02-27  Jan Hubicka  <jh@suse.cz>
9438
9439         PR debug/39267
9440         * cgraph.h (varpool_output_debug_info): Remove.
9441         * cgraphunit.c (varpool_output_debug_info): Remove.
9442         * dwarf2out.c (deferred_locations_struct): New struct
9443         (deferred_locations): New type.
9444         (deferred_locations_list): New static var.
9445         (deffer_location): New function.
9446         (gen_variable_die): Use it.
9447         (decls_for_scope): Output info on local static vars.
9448         (dwarf2out_finish): Process deferred locations.
9449         * varpool.c (varpool_output_debug_info): Remove.
9450
9451 2009-02-27  Jan Hubicka  <jh@suse.cz>
9452
9453         PR debug/39267
9454         * tree.h (TREE_PROTECTED): Fix comment.
9455         (BLOCK_HANDLER_BLOCK): Remove.
9456         (struct tree_block): Remove handler_block add body_block.
9457         (inlined_function_outer_scope_p): New.
9458         (is_body_block): Remove.
9459         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9460         * dwarf2out.c (is_inlined_entry_point): Remove.
9461         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9462         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9463         code.
9464         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9465         * gimplify.c (gimplify_expr): Gimplify body blocks.
9466         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9467         block with multiple subblocks.
9468         (dump_scope_block): Prettier output; dump more flags and info.
9469         (dump_scope_blocks): New.
9470         (remove_unused_locals): Use dump_scope_blocks.
9471         * tree-flow.h (dump_scope_blocks): Declare.
9472         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9473         * stmt.c (is_body_block): Remove.
9474         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9475         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9476
9477 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9478
9479         PR middle-end/39308
9480         * graphite.c (graphite_loop_normal_form): Do not call
9481         number_of_iterations_exit from a gcc_assert.
9482
9483 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9484
9485         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9486         jumps if COND is NULL.
9487         (find_cond_jump): New function.
9488         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9489         * config/s390/s390.md: Remove z10_cobra attribute value.
9490
9491 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9492
9493         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9494         force_const_mem returns NULL_RTX.
9495
9496 2009-02-26  Jan Hubicka  <jh@suse.cz>
9497
9498         PR debug/39267
9499         * cgraph.h (varpool_output_debug_info): Remove.
9500         * cgraphunit.c (varpool_output_debug_info): Remove.
9501         * dwarf2out.c (deferred_locations_struct): New struct
9502         (deferred_locations): New type.
9503         (deferred_locations_list): New static var.
9504         (deffer_location): New function.
9505         (gen_variable_die): Use it.
9506         (decls_for_scope): Output info on local static vars.
9507         (dwarf2out_finish): Process deferred locations.
9508         * varpool.c (varpool_output_debug_info): Remove.
9509
9510 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9511
9512         PR rtl-optimization/39241
9513         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9514         to subreg_offset_representable_p.
9515
9516 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9517
9518         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9519         execute function prototype.  Get f and nregs from max_reg_num
9520         and get_insns.  Remove the first backward pass as it's dead,
9521         guard the forward pass by flag_expensive_optimizations.
9522         (rest_of_handle_regmove): Delete.
9523         (pass_regmove): Replace it with regmove_optimize.
9524
9525 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9526
9527         PR tree-optimization/39259
9528         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9529         calls_alloca function flags.
9530         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9531         calls are detected.
9532
9533 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9534
9535         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9536         flags_set_1_rtx, flags_set_1_set): Delete.
9537         (regmove_optimize): Do not call mark_flags_life_zones.
9538
9539 2009-02-24  Julian Brown  <julian@codesourcery.com>
9540
9541         PR target/35965
9542         * config/arm/arm.c (require_pic_register): Only set
9543         cfun->machine->pic_reg once per function.
9544
9545 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9546
9547         * doc/invoke.texi (Link Options): Document an easier way to pass
9548         options that take arguments to the GNU linker using -Xlinker and -Wl.
9549
9550 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9551
9552         PR target/33785
9553         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9554
9555 2009-02-24  Richard Guenther  <rguenther@suse.de>
9556
9557         PR debug/39285
9558         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9559
9560 2009-02-24  Richard Guenther  <rguenther@suse.de>
9561             Zdenek Dvorak  <ook@ucw.cz>
9562
9563         PR tree-optimization/39233
9564         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9565         from converting them to a generic type.
9566
9567 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9568
9569         PR tree-optimization/39260
9570         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9571         contains a condition with a real type.
9572         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9573
9574 2009-02-23  Jason Merrill  <jason@redhat.com>
9575
9576         PR c++/38880
9577         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9578         narrowing_initializer_constant_valid_p.
9579         (narrowing_initializer_constant_valid_p): Don't return
9580         null_pointer_node for adding a pointer to itself.
9581
9582 2009-02-23  Jan Hubicka  <jh@suse.cz>
9583
9584         PR c/12245
9585         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9586         resizing.
9587
9588 2009-02-23  Jan Hubicka  <jh@suse.cz>
9589
9590         PR tree-optimization/37709
9591         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9592         * tree.h (block_ultimate_origin): Declare.
9593         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9594         * tree-ssa-live.c (remove_unused_scope_block_p):
9595         Eliminate blocks containig no instructions nor live variables nor
9596         nested blocks.
9597         (dump_scope_block): New function.
9598         (remove_unused_locals): Enable removal of dead blocks by default;
9599         enable dumping at TDF_DETAILS.
9600
9601 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9602
9603         * config/i386/i386.c (classify_argument): Don't allow COImode
9604         and OImode.
9605         (function_arg_advance_32): Don't allow OImode.
9606         (function_arg_32): Likewise.
9607         (function_value_32): Likewise.
9608         (return_in_memory_32): Likewise.
9609         (function_arg_64): Remove OImode comment.
9610
9611 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9612
9613         PR target/39261
9614         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9615         ix86_expand_vector_set for V4DImode in 64bit mode only.
9616         (ix86_expand_vector_init_one_var): Likewise.
9617
9618 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9619
9620         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9621
9622 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9623
9624         PR bootstrap/39257
9625         * loop-iv.c: Revert last change.
9626         * emit-rtl.c: Likewise.
9627
9628 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9629
9630         PR target/39256
9631         * config/i386/i386.c (type_natural_mode): Remove an extra
9632         space in the warning message.
9633         (function_value_32): Handle 32-byte vector modes.
9634         (return_in_memory_32): Likewise.
9635
9636 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9637
9638         * loop-iv.c (truncate_value): New function.
9639         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9640         of lowpart_subreg.
9641         (lowpart_subreg): Move to...
9642         * emit-rtl.c: ...here.
9643
9644 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9645
9646         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9647         accidental and undocumented change at revision 140860.
9648
9649 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9650
9651         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9652         take gimple_seq * arguments.
9653         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9654         types_compatible_p langhook.
9655
9656 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9657             Joseph Myers  <joseph@codesourcery.com>
9658
9659         * config/arm/arm.c (arm_builtin_va_list): New function.
9660         (arm_expand_builtin_va_start): Likewise.
9661         (arm_gimplify_va_arg_expr): Likewise.
9662         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9663         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9664         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9665         (va_list_type): New variable.
9666         (arm_mangle_type): Mangle va_list_type appropriately.
9667
9668 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9669
9670         PR middle-end/39157
9671         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9672         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9673         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9674         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9675         parameter to 1000 for -O1 by default.
9676         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9677         parameter.
9678         * loop-invariant.c: Include params.h.
9679         (move_loop_invariants): Don't call move_single_loop_invariants on
9680         very large loops.
9681
9682 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9683
9684         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9685         offset when calculating bounds for indexing stack_usage_map.  Fixes
9686         a buffer overflow with certain target setups.
9687
9688 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9689
9690         PR target/39240
9691         * calls.c (expand_call): Clear try_tail_call if caller and callee
9692         disagree in promotion of function return value.
9693
9694 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9695
9696         PR target/39175
9697         * c-common.c (c_determine_visibility): If visibility changed and
9698         DECL_RTL has been already set, call make_decl_rtl to update symbol
9699         flags.
9700
9701 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9702
9703         PR c++/39188
9704         * varasm.c (assemble_variable): Don't check DECL_NAME when
9705         globalizing a variable.
9706
9707 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9708
9709         PR c/38483
9710         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9711         expression before any __builtin_trap call.
9712         * c-typeck.c (build_function_call): Convert and check function
9713         arguments before generating a call to a trap.  Evaluate the
9714         function arguments before the trap.
9715
9716 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9717
9718         PR target/39228
9719         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9720         (UNSPEC_FXAM_MEM): New unspec.
9721         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9722         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9723         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9724
9725 2009-02-19  Richard Guenther  <rguenther@suse.de>
9726
9727         PR tree-optimization/39207
9728         PR tree-optimization/39074
9729         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9730         storedanything_tree): New.
9731         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9732         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9733         (build_succ_graph): Add edges from STOREDANYTHING to all
9734         non-direct nodes.
9735         (init_base_vars): Initialize STOREDANYTHING.
9736         (compute_points_to_sets): Free substitution info after
9737         building the succ graph.
9738         (ipa_pta_execute): Likewise.
9739
9740         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9741         field.
9742         (do_ds_constraint): Do not add to special var or non-pointer
9743         field solutions.
9744         (type_could_have_pointers): Split out from ...
9745         (could_have_pointers): ... here.  For arrays use the element type.
9746         (create_variable_info_for): Initialize may_have_pointers.
9747         (new_var_info): Likewise.
9748         (handle_lhs_call): Make the HEAP variable unknown-sized.
9749         (intra_create_variable_infos): Use a type with pointers for
9750         PARM_NOALIAS, make it unknown-sized.
9751
9752 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9753
9754         PR target/39224
9755         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9756
9757 2009-02-18  Jason Merrill  <jason@redhat.com>
9758
9759         PR target/39179
9760         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9761         value if DECL_EXTERNAL.
9762         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9763         * target.h (gcc_target::binds_local_p): Clarify "module".
9764         * tree.h (TREE_PUBLIC): Clarify "module".
9765
9766 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9767
9768         PR target/38891
9769         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9770         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9771
9772 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9773
9774         PR target/39082
9775         * c.opt (Wabi): Support C and ObjC.
9776         (Wpsabi): New.
9777
9778         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9779
9780         * config/i386/i386.c (classify_argument): Warn once about the ABI
9781         change when passing union with long double.
9782
9783         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9784
9785 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9786
9787         PR c/35447
9788         * c-parser.c (c_parser_compound_statement): Always enter and leave
9789         a scope.
9790
9791 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9792
9793         PR target/34587
9794         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9795
9796 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9797
9798         PR tree-optimization/36922
9799         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9800         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9801         Likewise.
9802
9803 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9804
9805         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9806         to 0 for EABI64.
9807
9808 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9809
9810         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9811
9812 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9813
9814         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9815         tree sharing.
9816
9817 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9818             Richard Sandiford  <rdsandiford@googlemail.com>
9819
9820         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9821         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9822         (loongson_biadd): ...this.
9823
9824 2009-02-17  Richard Guenther  <rguenther@suse.de>
9825
9826         PR tree-optimization/39202
9827         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9828         a var make sure to follow existing collapses.
9829
9830 2009-02-17  Richard Guenther  <rguenther@suse.de>
9831
9832         PR middle-end/39214
9833         * langhooks.c (lhd_print_error_function): Check for NULL block.
9834
9835 2009-02-17  Richard Guenther  <rguenther@suse.de>
9836
9837         PR tree-optimization/39204
9838         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9839         of the PHI arg.
9840
9841 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9842
9843         * config/soft-fp/double.h: Update from glibc CVS.
9844
9845 2009-02-17  Richard Guenther  <rguenther@suse.de>
9846
9847         PR tree-optimization/39207
9848         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9849         strict-aliasing warnings for pointers pointing to NULL.
9850
9851 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9852
9853         PR c/35446
9854         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9855         skipping until next close brace.
9856
9857 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9858
9859         PR target/37049
9860         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9861         to function argument boundary.
9862
9863 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9864
9865         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9866         in the lea_add. Reload eventually constraints it properly.
9867         * config/picochip/constraints.md: Remove the target constraint
9868         "b", since it is not needed anymore.
9869
9870 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9871
9872         * gthr-dce.h: Uglify function parameter and local variable names.
9873         * gthr-gnat.h: Likewise.
9874         * gthr-mipssde.h: Likewise.
9875         * gthr-nks.h: Likewise.
9876         * gthr-posix95.h: Likewise.
9877         * gthr-posix.h: Likewise.
9878         * gthr-rtems.h: Likewise.
9879         * gthr-single.h: Likewise.
9880         * gthr-solaris.h: Likewise.
9881         * gthr-tpf.h: Likewise.
9882         * gthr-vxworks.h: Likewise.
9883         * gthr-win32.h: Likewise.
9884
9885 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9886
9887         PR target/39196
9888         * config/i386/i386.md: Restrict the new peephole2 to move
9889         between MMX/SSE registers.
9890
9891 2009-02-15  Richard Guenther  <rguenther@suse.de>
9892
9893         Revert
9894         2009-02-13  Richard Guenther  <rguenther@suse.de>
9895
9896         * configure.ac: Enable LFS.
9897         * configure: Re-generate.
9898         * config.in: Likewise.
9899
9900 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9901
9902         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9903         spu_srqwbyte, spu_srqwbytebc): Define.
9904         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9905         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9906         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9907         "shrqby_<mode>"): New insn-and-split patterns.
9908         * config/spu/spu.c (expand_builtin_args): Determine and return
9909         number of operands using spu_builtin_description data.
9910         (spu_expand_builtin_1): Use it.
9911
9912 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9913
9914         PR target/38056
9915         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9916         TARGET_CONST_GP.
9917
9918 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9919
9920         PR target/39149
9921         * config/i386/i386.c (override_options): Correct warning
9922         messages for -malign-loops, -malign-jumps and -malign-functions.
9923
9924 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9925
9926         PR target/39152
9927         * config/i386/i386.md: Restrict the new peephole2 to move
9928         between the general purpose registers.
9929
9930 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9931
9932         PR target/39162
9933         * config/i386/i386.c (type_natural_mode): Add a new argument.
9934         Return the original mode and warn ABI change if vector size is 32byte.
9935         (function_arg_advance): Updated.
9936         (function_arg): Likewise.
9937         (ix86_function_value): Likewise.
9938         (ix86_return_in_memory): Likewise.
9939         (ix86_sol10_return_in_memory): Likewise.
9940         (ix86_gimplify_va_arg): Likewise.
9941         (function_arg_32): Don't warn ABX ABI change here.
9942         (function_arg_64): Likewise.
9943
9944 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9945
9946         * loop-iv.c (implies_p): In the final case, test that operands 0
9947         of the two comparisons match.
9948
9949         * config/bfin/bfin.c (find_prev_insn_start): New function.
9950         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9951         (find_next_insn_start): Move.
9952
9953 2009-02-13  Richard Guenther  <rguenther@suse.de>
9954
9955         * configure.ac: Enable LFS.
9956         * configure: Re-generate.
9957         * config.in: Likewise.
9958
9959 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9960
9961         PR c/35444
9962         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9963         sizes on syntax error after some arguments have been parsed.
9964
9965 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9966
9967         * doc/invoke.texi (-fira): Remove.
9968
9969 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9970
9971         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9972         * recog.c: Likewise.
9973         * rtl.h: Likewise.
9974
9975 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9976
9977         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9978         (umul_ppmm): Likewise.
9979         (count_leading_zeros): Likewise.
9980         (count_trailing_zeros): Likewise.
9981         (UMUL_TIME): Likewise.
9982
9983 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9984
9985         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9986         soft-fp/t-softfp to tmake_file.
9987
9988         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9989         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9990         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9991         IA64_BUILTIN_INFQ]: New.
9992         (ia64_init_builtins): Initialize __builtin_infq,
9993         __builtin_fabsq and __builtin_copysignq if not HPUX.
9994         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9995         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9996
9997         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9998         SHARED is defined.
9999         (__fixtfti): Likewise.
10000         (__fixunstfti): Likewise.
10001         (__floattitf): Likewise.
10002
10003         * config/ia64/libgcc-glibc.ver: New.
10004         * config/ia64/t-fprules-softfp: Likewise.
10005         * config/ia64/sfp-machine.h: Likewise.
10006
10007         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10008         (LIBGCC2_TF_CEXT): Likewise.
10009         (TF_SIZE): Likewise.
10010         (TARGET_INIT_LIBFUNCS): Likewise.
10011
10012         * config/ia64/t-glibc (SHLINB_MAPFILES):
10013         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10014
10015 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10016
10017         * config/i386/i386.c (construct_container): Rewrite processing
10018         BLKmode with X86_64_SSE_CLASS.
10019
10020 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10021
10022         PR target/39152
10023         * config/i386/i386.md: Replace simplify_replace_rtx with
10024         replace_rtx in the new peephole2.
10025
10026 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10027
10028         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10029         loop unrolling do not happen at -O2.
10030
10031 2009-02-12  Michael Matz  <matz@suse.de>
10032
10033         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10034
10035 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10036
10037         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10038         for -g3.
10039
10040 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10041
10042         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10043         patterns when updating the back chain.  Missed in the 2009-02-10
10044         change.
10045
10046 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10047
10048         * doc/extend.texi (Decimal Floating Types): Update identifier of
10049         draft TR and list of missing support.
10050
10051 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10052
10053         PR middle-end/39154
10054         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10055         bit to variable length decl's flags, add it also to its
10056         pointer replacement variable.
10057
10058 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10059             Jakub Jelinek  <jakub@redhat.com>
10060
10061         PR target/39118
10062         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10063         (memory_blockage): New expander.
10064         (*memory_blockage): New insn pattern.
10065         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10066         instead of general blockage at the end of function prologue when
10067         frame pointer is used to access red zone area.  Do not emit blockage
10068         when profiling, it is emitted in generic code.
10069         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10070         function epilogue when frame pointer is used to access red zone area.
10071
10072 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10073
10074         PR target/38824
10075         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10076         by arithmetic with memory operands.
10077         * config/i386/predicates.md (commutative_operator): New.
10078
10079 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10080
10081         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10082         bulleted lists.
10083
10084 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10085
10086         * alias.h (record_alias_subset): Declare.
10087         * alias.c (record_alias_subset): Make global.
10088
10089 2009-02-10  Nick Clifton  <nickc@redhat.com>
10090
10091         * tree-parloops.c: Change license to GPLv3.
10092         * ipa-struct-reorg.c: Change license to GPLv3.
10093         * ipa-struct-reorg.h: Change license to GPLv3.
10094
10095 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10096
10097         PR c/39084
10098         * c-decl.c (start_struct): Return NULL on error.
10099
10100 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10101
10102         PR middle-end/39124
10103         * cfgloopmanip.c (remove_path): Call remove_bbs after
10104         cancel_loop_tree, not before it.
10105
10106         PR target/39139
10107         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10108         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10109         VAR_DECLs were seen.
10110         * tree-ssa-live.c (remove_unused_locals): Recompute
10111         cfun->has_local_explicit_reg_vars.
10112         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10113         copies or clearings if cfun->has_local_explicit_reg_vars.
10114
10115 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10116
10117         PR target/39118
10118         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10119         of function prologue when frame pointer is used to access
10120         red zone area.
10121
10122 2009-02-10  Richard Guenther  <rguenther@suse.de>
10123
10124         PR middle-end/39127
10125         * gimplify.c (gimple_regimplify_operands): Always look if
10126         we need to create a temporary.
10127
10128 2009-02-10  Richard Guenther  <rguenther@suse.de>
10129
10130         PR tree-optimization/39132
10131         * tree-loop-distribution.c (todo): New global var.
10132         (generate_memset_zero): Trigger TODO_rebuild_alias.
10133         (tree_loop_distribution): Return todo.
10134
10135 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10136
10137         PR target/39119
10138         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10139         (x86_64_reg_class_name): Removed.
10140         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10141         first one isn't X86_64_SSE_CLASS or any other ones aren't
10142         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10143         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10144         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10145         and 3 X86_64_SSEUP_CLASS.
10146         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10147         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10148
10149 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10150
10151         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10152         form instruction to update the stack back chain word, even if the
10153         user has disabled the generation of update instructions.
10154         (movdi_<mode>_update_stack): New.
10155         (movsi_update_stack): Likewise.
10156         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10157         always use an update form instruction to update the stack back
10158         chain word.
10159
10160 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10161
10162         PR middle-end/38953
10163         * graphite.c (if_region_set_false_region): After moving a region in
10164         the false branch of a condition, remove the empty dummy basic block.
10165         (gloog): Remove wrong fix for PR38953.
10166
10167 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10168
10169         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10170         generation due to implicit sign extension.
10171
10172 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10173
10174         PR middle-end/38981
10175         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10176         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10177
10178 2009-02-09  Richard Guenther  <rguenther@suse.de>
10179
10180         PR middle-end/35202
10181         * convert.c (convert_to_real): Disable (float)fn((double)x)
10182         to fnf(x) conversion if errno differences may occur and
10183         -fmath-errno is set.
10184
10185 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10186
10187         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10188         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10189         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10190
10191 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10192
10193         PR c/35434
10194         * c-common.c (handle_alias_attribute): Disallow attribute for
10195         anything not a FUNCTION_DECL or VAR_DECL.
10196
10197 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10198
10199         PR c/39035
10200         * real.c (do_compare): Special-case compare of zero against
10201         decimal float value.
10202
10203 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10204
10205         PR c/36432
10206         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10207         as indicating flexible array members unless the field itself is
10208         being declarared as the incomplete array.
10209
10210 2009-02-06  Jan Hubicka  <jh@suse.cz>
10211
10212         PR tree-optimization/38844
10213         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10214         is already inlined.
10215
10216 2009-02-06  Richard Guenther  <rguenther@suse.de>
10217
10218         PR middle-end/38977
10219         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10220         fork because we may expand it as __gcov_fork.
10221
10222 2009-02-06  Nick Clifton  <nickc@redhat.com>
10223
10224         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10225
10226 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10227
10228         PR tree-optimization/35659
10229         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10230         vn_phi_eq): Shortcut if hashcode does not match.
10231         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10232         NULL operands.
10233         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10234         and avoid iterative_hash_expr.
10235         (FOR_EACH_VALUE_ID_IN_SET): New.
10236         (value_id_compare): Remove.
10237         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10238         sort expressions by value id.
10239
10240 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10241
10242         PR target/38991
10243         * config/sh/predicates.md (general_movsrc_operand): Don't check
10244         the subreg of system registers here.
10245
10246 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10247
10248         PR c++/39106
10249         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10250         on the copied decl.
10251
10252 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10253
10254         PR rtl-optimization/39110
10255         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10256         addresses, not aligned ones.
10257
10258 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10259             Richard Guenther  <rguenther@suse.de>
10260
10261         PR tree-optimization/39100
10262         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10263         comment says and add edges.
10264
10265 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10266
10267         PR c/35435
10268         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10269         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10270
10271 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10272
10273         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10274         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10275         register_bb_in_sese, new_sese, free_sese): Moved.
10276         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10277         outermost_loop_in_scop, build_scop_iteration_domain,
10278         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10279         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10280         Use loop_in_sese_p instead of loop_in_scop_p.
10281         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10282         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10283         (scopdet_basic_block_info): Fix bug in scop detection.
10284         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10285         eq_loop_to_cloog_loop): Remove.
10286         (nb_loops_around_loop_in_scop, nb_loop
10287         ref_nb_loops): Moved here...
10288         * graphite.h (ref_nb_loops): ... from here.
10289         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10290         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10291         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10292         * testsuite/gcc.dg/graphite/scop-19.c: New
10293
10294 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10295             Hans-Peter Nilsson  <hp@axis.com>
10296
10297         PR rtl-optimization/37889
10298         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10299         Move offset handling from PLUS to before the switch.  Use new
10300         arguments when considering SYMBOL_REFs too.
10301         (rtx_addr_can_trap_p): Pass dummy offset and size.
10302         (enum may_trap_p_flags): Remove.
10303         (may_trap_p_1): Pass size from MEM_SIZE.
10304
10305         PR rtl-optimization/38921
10306         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10307         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10308         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10309         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10310
10311 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10312
10313         AVX Programming Reference (January, 2009)
10314         * config/i386/sse.md (*vpclmulqdq): New.
10315
10316 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10317
10318         PR tree-optimization/38977
10319         PR gcov-profile/38292
10320         * calls.c (special_function_p): Disregard __builtin_ prefix.
10321
10322 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10323
10324         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10325         non-indexable addresses even before reload.
10326
10327 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10328
10329         PR c/29129
10330         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10331         as having variable size.  Do not give an error for unnamed
10332         parameters with [*] declarators.  Give a warning for type names
10333         with [*] declarators and mark them as variable size.
10334         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10335         for sizeof applied to [*] type names.
10336
10337 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10338
10339         PR C++/36607
10340         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10341
10342 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10343
10344         * gcc.c (process_command): Update copyright notice dates.
10345         * gcov.c (print_version): Likewise.
10346         * gcov-dump.c (print_version): Likewise.
10347         * mips-tfile.c (main): Likewise.
10348         * mips-tdump.c (main): Likewise.
10349
10350 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10351
10352         PR c/35433
10353         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10354         for composite type involving a zero-length array type.
10355
10356 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10357
10358         PR target/35318
10359         * function.c (match_asm_constraints_1): Skip over
10360         initial optional % in the constraint.
10361
10362         PR inline-asm/39059
10363         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10364         supported, don't accept FIXED_CSTs.
10365         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10366         and _Sat is used without _Fract/_Accum.  Set specs->type to
10367         integer_type_node for cts_fract/cts_accum if fixed point is not
10368         supported.
10369
10370 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10371
10372         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10373
10374 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10375
10376         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10377         (ABI_HAS_64BIT_SYMBOLS): Use it.
10378         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10379
10380 2009-02-02  Paul Brook  <paul@codesourcery.com>
10381
10382         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10383
10384 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10385
10386         PR inline-asm/39058
10387         * recog.h (asm_operand_ok): Add constraints argument.
10388         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10389         recurse on matching constraint.
10390         (check_asm_operands): Pass constraints as 3rd argument to
10391         asm_operand_ok.  Don't look up matching constraint here.
10392         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10393         to asm_operand_ok.
10394
10395 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10396
10397         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10398         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10399
10400 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10401
10402         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10403         information.  Remove some obsolete information.  Reorganize.
10404
10405         * config/pa/fptr.c: Revert license to GPL 2.
10406         * config/pa/milli64.S: Likewise.
10407
10408 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10409
10410         PR target/38904
10411         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10412         LIBRARY name in, instead of hard-coding it.
10413         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10414         extra target make frag to tmake_files according to EH model.
10415         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10416         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10417         frags that define makefile variable EH_MODEL appropriately.
10418         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10419         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10420         to "-sjlj" according to type of EH configured.
10421         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10422         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10423         to "_sjlj" according to type of EH configured.
10424         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10425         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10426         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10427         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10428         string value of "pe_dll" command-line option.
10429         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10430         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10431         (SHLIB_IMPLIB):  Override t-cygming default.
10432         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10433         string value of "pe_dll" command-line option.
10434
10435 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10436
10437         PR target/38952
10438         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10439         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10440
10441 2009-01-31  Richard Guenther  <rguenther@suse.de>
10442
10443         PR tree-optimization/38937
10444         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10445         computing the transitive closure.
10446
10447 2009-01-30  Richard Guenther  <rguenther@suse.de>
10448
10449         PR tree-optimization/39041
10450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10451         Propagate variable indices only if the types match for this stmt.
10452
10453 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10454
10455         PR target/39013
10456         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10457         inline but never defined.
10458
10459 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10460
10461         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10462         (*insv_h_di_reg_extimm): New insn.
10463         (*insv_l<mode>_reg_extimm): New insn.
10464
10465 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10466
10467         * config/picochip/picochip.c (flag_conserve_stack): set
10468         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10469         fconserve-stack. Reduce call-overhead used by inliner.
10470
10471 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10472
10473         PR/38157
10474         * common.opt (flag_conserve_stack): Initialised to zero.
10475
10476 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10477
10478         PR/39002
10479         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10480         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10481         method.
10482
10483 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10484
10485         * ira-color.c (allocno_reload_assign): Update comments.
10486         * regmove.c (regmove_optimize): Likewise.
10487
10488         * ra.h: Removed.
10489
10490 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10491
10492         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10493         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10494         `MD_UNWIND_SUPPORT'.
10495         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10496
10497 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10498
10499         PR tree-optimization/39007
10500         * tree-loop-distribution.c (generate_builtin): Use
10501         recompute_dominator to compute the immediate dominator of the
10502         basic block just after the loop.
10503
10504 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10505
10506         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10507         (ASM_OUTPUT_DWARF_PCREL): Define.
10508
10509 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10510
10511         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10512         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10513         global.  Modify entries about regmove and IRA.
10514
10515         * ra-conflict.c: Remove the file.
10516
10517         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10518
10519         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10520         (pass_regclass_init): Rename to pass_reginfo_init.
10521
10522         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10523
10524         * toplev.h (flag_ira): Remove.
10525
10526         * caller-save.c (setup_save_areas): Remove flag_ira.
10527
10528         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10529
10530         * global.c: Remove the file.
10531
10532         * opts.c (decode_options): Remove flag_ira.
10533
10534         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10535
10536         * regmove.c: Modify file description.
10537         (find_use_as_address, try_auto_increment): Define them only if
10538         AUTO_INC_DEC is defined.
10539         (replacement_quality, replace_in_call_usage, fixup_match_1,
10540         stable_and_no_regs_but_for_p): Remove.
10541         (reg_set_in_bb): Make it static.
10542         (regmove_optimize): Remove flag_ira and code which worked for
10543         !flag_ira.
10544
10545         * local-alloc.c: Remove the file.
10546
10547         * common.opt (fira): Remove.
10548
10549         * ira.c: Include except.h.
10550         (eliminable_regset): Move from global.c.
10551         (mark_elimination): Ditto.  Remove flag_ira.
10552         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10553         equiv_mem_modified, validate_equiv_mem_from_store,
10554         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10555         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10556         no_equiv, recorded_label_ref): Move from local-alloc.c.
10557         (update_equiv_regs): Ditto.  Make it static.
10558         (print_insn_chain, print_insn_chains): Move it from global.c.
10559         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10560         (build_insn_chain): Ditto.  Make it static.
10561         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10562         Rename to init_live_subregs.
10563         (gate_ira): Remove flag_ira.
10564
10565         * regclass.c: Rename reginfo.c.  Change file description.
10566         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10567         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10568         (init_reg_sets_1): Remove code for evaluation of
10569         reg_class_superclasses and losing_caller_save_reg_set.
10570         (init_regs): Remove init_reg_autoinc.
10571         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10572         ok_for_base_p_nonstrict): Remove.
10573         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10574         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10575         corresponding entries.
10576         (dump_regclass, record_operand_costs, scan_one_insn,
10577         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10578         record_address_regs, auto_inc_dec_reg_p): Remove.
10579         (gt-regclass.h): Rename to gt-reginfo.h.
10580
10581         * rtl.h (dump_global_regs, retry_global_alloc,
10582         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10583
10584         * Makefile.in (RA_H): Remove.
10585         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10586         Rename regclass.o to reginfo.o.
10587         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10588         gt-reginfo.h.
10589         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10590         (GTFILES): Rename regclass.c to reginfo.c.
10591
10592         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10593         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10594
10595         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10596         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10597         Remove flag_ira.
10598         (finish_spills): Ditto.  Remove code for !flag_ira.
10599
10600 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10601
10602         PR middle-end/35854
10603         * doc/invoke.texi (rtl debug options): Complete rewrite.
10604         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10605         to auto_inc_dec".
10606         * mode-switching.c (pass_mode_switching): Rename pass from
10607         "mode-sw" to "mode_sw".
10608         * except.c (pass_convert_to_eh_ranges): Rename pass from
10609         "eh-ranges" to "eh_ranges".
10610         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10611         to "subreg1".
10612
10613
10614 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10615             Alexander Monakov  <amonakov@ispras.ru>
10616
10617         PR middle-end/38857
10618         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10619         register.
10620         (move_exprs_to_boundary): Change return type and pass through
10621         should_move from move_op.  Relax assert.  Update usage ...
10622         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10623         cant_move.
10624         (move_op_orig_expr_found): Indicate that insn was disconnected from
10625         stream.
10626         (code_motion_process_successors): Do not call after_merge_succs
10627         callback if original expression was not found when traversing any of
10628         the branches.
10629         (code_motion_path_driver): Change return type.  Update prototype.
10630         (move_op): Update comment.  Add a new parameter (should_move).  Update
10631         prototype.  Set *should_move based on indication provided by
10632         move_op_orig_expr_found.
10633
10634 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10635
10636         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10637         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10638         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10639         * config/rs6000/rs6000.c (rs6000_override_options): Default
10640         avoid-indexed-addresses on for Power6, off for everything else.
10641         (avoiding_indexed_address_p): New function.
10642         (rs6000_legitimize_address): Use it.
10643         (rs6000_legitimate_address): Likewise.
10644         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10645
10646 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10647
10648         PR tree-optimization/38997
10649         * tree-loop-distribution.c (generate_memset_zero): Use
10650         POINTER_PLUS_EXPR for a pointer addition.
10651
10652 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10653
10654         * config/s390/s390.md (bswap<mode>2): New pattern added.
10655
10656 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10657
10658         * config/s390/s390.md (*tls_load_31): Added type attribute.
10659
10660 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10661
10662         * config/s390/s390.md: Fix a few comments.
10663
10664 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10665
10666         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10667         (*tm<mode>_full): Fixed z10prop attribute.
10668         (*tst<mode>_extimm): Fixed z10prop attribute.
10669         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10670         (*tstqiCCT_cconly): Fixed z10prop attribute.
10671         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10672         (*movsi_larl): Fixed z10prop attribute.
10673         (*movsi_zarch): Fixed z10prop attribute.
10674         (*movsi_eas): Fixed z10prop attribute.
10675         (*movhi): Fixed z10prop attribute.
10676         (*movqi): Fixed z10prop attribute.
10677         (*movstrictqi): Fixed z10prop attribute.
10678         (*mov<mode>): Fixed z10prop attribute.
10679         (*movcc): Fixed z10prop attribute.
10680         (*sethighpartdi_64): Fixed z10prop attribute.
10681         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10682         (*negdi2_sign_cc): Fixed z10prop attribute.
10683         (*negdi2_sign): Fixed z10prop attribute.
10684         (*absdi2_sign_cc): Fixed z10prop attribute.
10685         (*absdi2_sign): Fixed z10prop attribute.
10686         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10687         (*negabsdi2_sign): Fixed z10prop attribute.
10688         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10689         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10690         (doloop_si64): Fixed z10prop attribute.
10691         (doloop_si31): Fixed z10prop attribute.
10692         (doloop_long): Fixed z10prop attribute.
10693         (indirect_jump): Fixed z10prop attribute.
10694         (nop): Fixed z10prop attribute.
10695         (main_base_64): Fixed z10prop attribute.
10696         (reload_base_64): Fixed z10prop attribute.
10697
10698 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10699
10700         PR rtl-optimization/38740
10701         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10702         if !optimize.
10703         * config/mips/mips.c (mips_reorg): Likewise.
10704
10705 2009-01-28  Richard Guenther  <rguenther@suse.de>
10706
10707         PR tree-optimization/38926
10708         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10709         with the correct value id to a value.
10710         (do_regular_insertion): Use the value number of edoubleprime
10711         for the value number of the expr.
10712
10713         Revert
10714         2008-08-21  Richard Guenther  <rguenther@suse.de>
10715
10716         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10717         a PHI ask VN if it is already available.
10718         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10719         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10720
10721 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10722
10723         PR middle-end/38934
10724         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10725         set to varying whenever max has TREE_OVERFLOW set, similarly
10726         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10727
10728 2009-01-28  Richard Guenther  <rguenther@suse.de>
10729
10730         PR middle-end/38908
10731         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10732         uninitialized aggregate uses in call arguments.
10733
10734 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10735
10736         PR tree-optimization/38984
10737         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10738         the nothing_id variable if -fno-delete-null-pointer-checks.
10739
10740 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10741
10742         PR target/38988
10743         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10744         (set_got_offset_rex64): Ditto.
10745
10746 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10747
10748         PR target/38941
10749         * doc/extend.texi: Improve local variable with asm reg.
10750
10751 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10752
10753         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10754         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10755         was not supplied then set warn_packed_bitfield_compat to the
10756         default value of 1.
10757         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10758         against 1.
10759
10760 2009-01-27  Richard Guenther  <rguenther@suse.de>
10761
10762         PR tree-optimization/38503
10763         * cfgexpand.c (expand_gimple_basic_block): Ignore
10764         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10765         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10766         variables that cannot have TBAA applied.
10767         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10768         statements.
10769
10770 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10771
10772         PR middle-end/38969
10773         * calls.c (initialize_argument_information): Do not wrap complex
10774         arguments in SAVE_EXPR.
10775
10776 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10777
10778         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10779         (INSTALL_LIBGCC): Revert typo commit.
10780
10781 2009-01-26  Richard Guenther  <rguenther@suse.de>
10782
10783         PR tree-optimization/38745
10784         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10785         from special handling.
10786
10787 2009-01-26  Richard Guenther  <rguenther@suse.de>
10788
10789         PR tree-optimization/38745
10790         * tree-ssa.c (execute_update_addresses_taken): Do not include
10791         variables that cannot possibly be a register in not_reg_needs.
10792         Do not clear TREE_ADDRESSABLE on vars that may not become
10793         registers.
10794         * tree-ssa.c (update_alias_info_1): Include those in the set
10795         of addressable vars.
10796
10797 2009-01-26  Richard Guenther  <rguenther@suse.de>
10798
10799         PR middle-end/38851
10800         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10801         * tree-ssa-dse.c: Include langhooks.h
10802         (execute_simple_dse): Remove stores with zero size.
10803
10804 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10805
10806         PR c/38957
10807         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10808         as PLUS_EXPR.
10809
10810 2009-01-24  Julian Brown  <julian@codesourcery.com>
10811
10812         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10813         config/arm/linux-atomic.c.
10814         * config/arm/linux-atomic.c: New.
10815
10816 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10817
10818         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10819         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10820         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10821
10822 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10823
10824         PR c/38938
10825         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10826         properly.
10827
10828 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10829
10830         PR tree-optimization/38953
10831         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10832         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10833         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10834         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10835         changed the CFG.
10836
10837 2009-01-24  Paul Brook  <paul@codesourcery.com>
10838
10839         * config/arm/neon.md (neon_type): Move to arm.md.
10840         (neon_mov<VSTRUCT>): Add neon_type attribute.
10841         * config/arm/arm.md (neon_type): Move to here.
10842         (conds): Add "unconditioal" and use as default for NEON insns.
10843
10844 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10845
10846         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10847         void *' warning from -Wc++-compat.
10848         * Makefile.in (dominance.o-warn): Remove.
10849
10850 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10851
10852         PR tree-optimization/38932
10853         * fold-const.c (fold_unary_ignore_overflow): New.
10854         * tree.h (fold_unary_ignore_overflow): Declare.
10855         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10856         * tree-ssa-sccvn.c (visit_reference_op_load,
10857         simplify_unary_expression): Likewise.
10858
10859 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10860
10861         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10862         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10863         regardless of their type.
10864         * c-common.c (handle_packed_attribute): Don't ignore packed on
10865         bitfields.
10866         * c.opt (Wpacked-bitfield-compat): New warning option.
10867         * stor-layout.c (place_field): Warn if offset of a field changed.
10868         * doc/extend.texi (packed): Mention the ABI change.
10869         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10870         (Warning Options): Add it to the list.
10871
10872 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10873
10874         * c-opts.c (c_common_post_options): Fix a typo in comments.
10875
10876 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10877
10878         PR middle-end/38615
10879         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10880         variables to static.
10881         * doc/invoke.texi (-fmerge-all-constants): Update description.
10882
10883 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10884
10885         PR target/38931
10886         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10887         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10888
10889 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10890
10891         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10892         a word boundary.
10893         (LOCAL_ALIGNMENT): Similarly.
10894
10895 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10896             Joseph Myers  <joseph@codesourcery.com>
10897
10898         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10899         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10900         * config/arm/arm-tune.md: Regenerate.
10901         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10902         -march=iwmmxt2.
10903
10904 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10905
10906         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10907         version number to five.
10908
10909 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10910
10911         PR c++/38930
10912         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10913         * c-common.c (set_underlying_type): Likewise.
10914         (is_typedef_decl ): Likewise
10915         * tree.h: Likewise
10916         (set_underlying_type): Likewise.
10917         (is_typedef_type): Likewise.
10918
10919 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10920
10921         PR middle-end/38587
10922         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10923         crossing setjmps.
10924
10925 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10926
10927         PR bootstrap/37660
10928         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10929         (LIBGCC_SPEC):  Don't define.
10930         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10931
10932 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10933
10934         PR rtl-optimization/38879
10935         * alias.c (base_alias_check): Unaligned access via AND address can
10936         alias all surrounding object types except those with sizes equal
10937         or wider than the size of unaligned access.
10938
10939 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10940
10941         PR c++/26693
10942         * c-decl.c (clone_underlying_type): Move this ...
10943         * c-common.c (set_underlying_type): ... here.
10944         Also, make sure the function properly sets TYPE_STUB_DECL() on
10945         the newly created typedef variant type.
10946         (is_typedef_decl ): New entry point.
10947         * tree.h: Added a new member member_types_needing_access_check to
10948         struct tree_decl_non_common.
10949         (set_underlying_type): New entry point.
10950         (is_typedef_type): Likewise.
10951
10952 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10953
10954         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10955         Check whether two instructions have memory references that
10956         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10957         are helper functions for traversing.
10958         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10959         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10960         not to draw dependency edge for instructions with non-conflicting
10961         alias sets.
10962
10963 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10964
10965         PR other/38758
10966         * longlong.h: Update copyright years.  Use soft-fp license notice.
10967         Sync __clz_tab declaration with glibc.
10968
10969 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10970
10971         PR target/30687
10972         * doc/extend.texi (syscall_linkage): New.
10973         (version_id): Modify.
10974
10975 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10976             Richard Guenther  <rguenther@suse.de>
10977
10978         PR tree-optimization/38747
10979         PR tree-optimization/38748
10980         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10981         conversion if the base address is an indirect reference and the
10982         aliasing sets could cause issues.
10983
10984 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10985
10986         * common.opt (fgraphite, fgraphite-identity): Add comment for
10987         explaining why these options are not documented.
10988
10989 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10990
10991         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10992         gimple_call_lhs is NULL.
10993
10994 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10995
10996         PR target/38868
10997         * emit-rtl.c (adjust_address_1): Make sure memref is never
10998         overwritten.
10999
11000 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11001
11002         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11003         const qualifier from arg parameter. Remove unnecessary cast to char *.
11004         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11005         const qualifier from arg 2.
11006
11007 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11008
11009         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11010
11011 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11012
11013         PR c/38869
11014         * rtl.h (reinit_regs): New prototype.
11015         * regclass.c: Include ira.h.
11016         (reinit_regs): New.
11017         * Makefile.in (regclass.o): Add ira.h.
11018         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11019
11020 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11021
11022         PR target/38736
11023         * c-common.c (handle_aligned_attribute): Use
11024         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11025         default alignment value.
11026
11027         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11028
11029         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11030         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11031
11032         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11033         __BIGGEST_ALIGNMENT__.
11034
11035         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11036
11037 2009-01-18  Richard Guenther  <rguenther@suse.de>
11038
11039         PR tree-optimization/38819
11040         * tree-flow.h (operation_could_trap_helper_p): Declare.
11041         * tree-eh.c (operation_could_trap_helper_p): Export.
11042         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11043         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11044         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11045         are about to insert a possibly trapping instruction and fail
11046         in this case.
11047
11048 2009-01-18  Andreas Schwab  <schwab@suse.de>
11049
11050         * doc/install.texi (Configuration): Remove obsolete paragraph
11051         about use of --with-gnu-ld with --with-gnu-as.
11052
11053 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11054
11055         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11056         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11057         Follow spelling conventions.
11058
11059 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11060
11061         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11062         C++ warning about implicit conversion from void * to struct
11063         bitmap_head_def *.
11064         (bitmap_obstack_free): Likewise for bitmap_element *.
11065         * Makefile.in (bitmap.o-warn): Remove.
11066
11067 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11068
11069         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11070
11071 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11072             Tobias Grosser  <tobi.grosser@amd.com>
11073
11074         * graphite.c (graphite_trans_scop_block): Do not block single
11075         nested loops.
11076
11077 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11078
11079         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11080         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11081         test with assertion.
11082
11083 2009-01-16  Richard Guenther  <rguenther@suse.de>
11084
11085         PR tree-optimization/38835
11086         PR middle-end/36227
11087         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11088         and INT + PTR -> (INT)(PTR p+ INT) folding.
11089         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11090
11091 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11092
11093         PR target/38554
11094         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11095         the subreg from a lowpart subreg if it is also casting the value.
11096
11097 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11098             Tobias Grosser  <tobi.grosser@amd.com>
11099
11100         * graphite.c (compare_prefix_loops): New.
11101         (build_scop_canonical_schedules): Rewritten.
11102         (graphite_transform_loops): Move build_scop_canonical_schedules
11103         after build_scop_iteration_domain.
11104
11105 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11106             Tobias Grosser  <tobi.grosser@amd.com>
11107
11108         * graphite.c (add_conditions_to_domain): Add the loops to
11109         the dimension of the iteration domain.  Do copy the domain
11110         only when it exists.
11111         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11112         (add_conditions_to_constraints): New.
11113         (can_generate_code_stmt, can_generate_code): Removed.
11114         (gloog): Do not call can_generate_code.
11115         (graphite_transform_loops): Call add_conditions_to_constraints
11116         after building the iteration domain.
11117
11118 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11119
11120         PR tree-optimization/38789
11121         * tree-ssa-threadedge.c
11122         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11123         __builtin_constant_p.
11124
11125 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11126
11127         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11128         examined before deleting them.
11129
11130 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11131
11132         * function.c (aggregate_value_p): Correctly extract the function
11133         type from CALL_EXPR_FN lookup.
11134
11135 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11136
11137         * config/picochip/picochip.c (picochip_override_options): Revert
11138         CFI asm flag disable commited previously.
11139
11140 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11141             Tobias Grosser  <tobi.grosser@amd.com>
11142             Jan Sjodin  <jan.sjodin@amd.com>
11143
11144         * graphite.c (scan_tree_for_params): On substractions negate
11145         all the coefficients of the term.
11146         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11147         of more than two operands.
11148         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11149         (get_vdef_before_scop): Handle also the case of default definitions.
11150
11151 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11152
11153         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11154         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11155         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11156
11157 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11158             Joey Ye  <joey.ye@intel.com>
11159
11160         PR middle-end/37843
11161         * cfgexpand.c (expand_stack_alignment): Don't update stack
11162         boundary nor check incoming stack boundary here.
11163         (gimple_expand_cfg): Update stack boundary and check incoming
11164         stack boundary here.
11165
11166 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11167
11168         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11169
11170 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11171
11172         PR rtl-optimization/38245
11173         * calls.c (expand_call): Add stack arguments to
11174         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11175         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11176         in regs and partially in memory or BLKmode arguments.
11177         (emit_library_call_value_1): Add stack arguments to
11178         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11179         ACCUMULATE_OUTGOING_ARGS).
11180         * dce.c: Include tm_p.h.
11181         (find_call_stack_args): New function.
11182         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11183         argument.
11184         (mark_insn): Call find_call_stack_args for CALL_Ps.
11185         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11186         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11187         down to deletable_insn_p, don't mark stores set in arg_stores
11188         bitmap, clear the bitmap at the beginning of each bb.
11189         * Makefile.in (dce.o): Depend on $(TM_P_H).
11190
11191 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11192
11193         PR target/22599
11194         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11195         to make sure the insn is a conditional test (bug 22599).  Reformat a
11196         few long lines.
11197
11198 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11199
11200         PR middle-end/38431
11201         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11202         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11203         (gloog): Do not call cleanup_tree_cfg.
11204         (graphite_transform_loops): Call cleanup_tree_cfg after all
11205         scops have been code generated.
11206
11207 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11208         * doc/gty.texi (Invoking the garbage collector): Added new node
11209         and section documenting ggc_collect.
11210
11211 2009-01-14  Richard Guenther  <rguenther@suse.de>
11212
11213         PR tree-optimization/38826
11214         PR middle-end/38477
11215         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11216         initialization notes only if we actually emitted a warning.
11217         (intra_create_variable_infos): Add constraints for a result decl
11218         that is passed by hidden reference.
11219         (build_pred_graph): Mark all related variables non-direct on
11220         address-taking.
11221
11222 2009-01-14  Nick Clifton  <nickc@redhat.com>
11223
11224         * ira-conflicts.c: Include addresses.h for the definition of
11225         base_reg_class.
11226         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11227         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11228
11229 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11230
11231         PR target/38811
11232         * Makefile.in (ira-lives.o): Add except.h.
11233
11234         * ira-lives.c: Include except.h.
11235         (process_bb_node_lives): Process can_throw_internal.
11236
11237 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11238
11239         PR rtl-optimization/38774
11240         * combine.c (simplify_set): When undoing cc_use change, don't do
11241         PUT_CODE on the newly created comparison, but instead put back the
11242         old comparison.
11243
11244 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11245
11246         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11247         values.  Remove duplicate arm8 entry.
11248
11249 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11250
11251         PR tree-optimization/38786
11252         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11253         the SSA_NAME case of expand_scalar_variables_expr.
11254         Set the type of an expression to the type of its assign statement.
11255         (expand_scalar_variables_expr): Also gather the scalar computation
11256         used to index the memory access.  Do not pass loop_p.
11257         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11258         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11259         the gimple_stmt_iterator where it inserts new code.
11260         Do not pass loop_p.
11261         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11262         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11263
11264 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11265
11266         * graphite.h (debug_value): Removed.
11267         * graphite.c (debug_value): Removed.
11268
11269 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11270
11271         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11272         ldrd/strd with two 32-bit instructions.
11273
11274 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11275
11276         * config/arm/arm.c (struct processors): Pass for speed down into
11277         cost helper functions.
11278         (const_ok_for_op): Handle COMPARE and inequality nodes.
11279         (arm_rtx_costs_1): Rewrite.
11280         (arm_size_rtx_costs): Update prototype.
11281         (arm_rtx_costs): Pass speed down to helper functions.
11282         (arm_slowmul_rtx_costs): Rework cost calculations.
11283         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11284         (arm_9e_rtx_costs): Likewise.
11285
11286 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11287
11288         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11289         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11290         (alpha_legitimize_address): Do not split local symbols wider than
11291         UNITS_PER_WORD into HIGH/LO_SUM parts.
11292
11293 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11294
11295         PR bootstrap/38580
11296         * gcc.c (process_command): Replace call to execvp with calls
11297         to pex_one and exit.
11298
11299 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11300
11301         PR target/29141
11302         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11303         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11304         variant for devices with 3-byte PC.
11305         (__tablejump_elpm__): New.
11306
11307 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11308
11309         PR c/32041
11310         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11311         offsetof member-designator, handle it as `[0].'.
11312
11313 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11314
11315         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11316         function when not using named sections on targets with named sections
11317         if branch distance is less than 262132.
11318
11319 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11320
11321         * combine.c (combine_instructions):  Recompute
11322         optimize_this_for_speed_p  for each BB in the main combine loop.
11323
11324 2009-01-12  Tomas Bily  <tbily@suse.cz>
11325
11326         PR middlend/38385
11327         * tree-loop-distribution.c (prop_phis): New function.
11328         (generate_builtin): Call prop_phis.
11329         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11330
11331 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11332
11333         PR tree-optimization/38807
11334         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11335         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11336
11337 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11338
11339         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11340         subreg of op0 to the original op0.
11341
11342 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11343
11344         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11345
11346 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11347
11348         PR debug/7055
11349         * mips-tfile.c (parse_def): Fix parsing of def strings
11350         starting with digits.
11351
11352 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11353
11354         PR target/38695
11355         * config/arm/arm.c (arm_is_long_call_p): Don't call
11356         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11357
11358 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11359
11360         * regrename.c (regrename_optimize): Fix dumping.
11361         (find_oldest_value_reg): Preserve REG_POINTER.
11362         (copy_hardreg_forward_1): Likewise.
11363
11364 2009-01-09  Diego Novillo  <dnovillo@google.com>
11365
11366         * gimple.h (struct gimple_statement_base) <uid>: Document
11367         the restrictions on its use.
11368         (gimple_uid): Tidy.
11369         (gimple_set_uid): Tidy.
11370
11371 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11372
11373         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11374         zero guard even if align_bytes != 0 and count is smaller than
11375         size_needed.
11376
11377 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11378
11379         PR rtl-optimization/38495
11380         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11381         (add_range_and_copies_from_move_list): Print all added ranges.
11382         Add ranges to memory optimized destination.
11383
11384 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11385
11386         PR target/38686
11387         PR target/38708
11388         * config/i386/i386.c (override_options): Reject
11389         -mstringop-strategy=rep_8byte with -m32.
11390         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11391         to 1.  Do count comparison against epilogue_size_needed at compile
11392         time even when count_exp was constant forced into register.  For
11393         size_needed don't jump to epilogue, instead just avoid aligning
11394         and invoke the body algorithm.  If need_zero_guard, add zero guard
11395         even if count is non-zero, but smaller than size_needed + number of
11396         bytes that could be stored for alignment.
11397         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11398         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11399         but smaller than size_needed + number of bytes that could be stored
11400         for alignment.  Compare size_needed with epilogue_size_needed instead
11401         of desired_align - align, don't adjust size_needed, pass
11402         epilogue_size_needed to the epilogue expanders.
11403
11404         PR c/35742
11405         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11406
11407 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11408
11409         * pa.c (last_address): Change to unsigned.
11410         (update_total_code_bytes): Change argument to unsigned.  Don't
11411         check if insn addresses are set.
11412         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11413         addresses are not set.
11414         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11415
11416 2009-01-09  Nick Clifton  <nickc@redhat.com>
11417
11418         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11419         DECL_DECLARED_INLINE_P.
11420
11421 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11422
11423         PR middle-end/38347
11424         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11425         GET_MODE (op0) in operand_subword_force calls.
11426
11427         PR middle-end/38771
11428         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11429         fold_convert arg0 operands to TREE_TYPE (op0) first.
11430
11431 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11432
11433         * params.def (ira-max-conflict-table-size): Decrease default value
11434         to 1000.
11435
11436 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11437
11438         PR tree-optimization/37031
11439         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11440         on parameter_set.
11441         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11442         allocate it using gc instead of heap, use VEC_quick_push instead of
11443         VEC_safe_push.
11444         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11445         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11446         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11447         allocated vector from heap allocated.
11448         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11449         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11450         vector only after perfect_loop_nest_depth call.
11451
11452 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11453             Jan Sjodin  <jan.sjodin@amd.com>
11454
11455         PR tree-optimization/38559
11456         * graphite.c (debug_value, copy_constraint,
11457         swap_constraint_variables, scale_constraint_variable, ): New.
11458         (get_lower_bound, get_upper_bound): Removed.
11459         (graphite_trans_bb_strip_mine): Clean up this code that works
11460         only for constant number of iterations.  Fully copy upper and
11461         lower bound constraints, not only the constant part of them.
11462         * graphite.h (debug_value): Declared.
11463
11464 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11465
11466         PR tree-optimization/37194
11467         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11468         Don't add the cost of cost model guard in prologue to scalar
11469         outside cost in case of known number of iterations.
11470
11471 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11472             Alan Modra  <amodra@bigpond.net.au>
11473
11474         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11475         non-word-aligned REG+CONST addressing.
11476
11477 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11478
11479         PR target/38706
11480         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11481         free_after_compilation when outputting a thunk.
11482         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11483         Do not call free_after_compilation here.
11484
11485 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11486
11487         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11488         (ix86_valid_target_attribute_inner_p): Ditto.
11489
11490 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11491
11492         PR tree-optimization/38492
11493         PR tree-optimization/38498
11494         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11495         * tree-chrec.h (scev_is_linear_expression): Declared.
11496         * graphite.c (graphite_cannot_represent_loop_niter): New.
11497         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11498         (graphite_loop_normal_form): Use gcc_assert.
11499         (scan_tree_for_params): Use CASE_CONVERT.
11500         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11501         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11502         Use gcc_assert.  Discard scops that contain unhandled cases.
11503         (build_scop_conditions): Return a boolean status for unhandled cases.
11504         (strip_mine_profitable_p): Print the loop number, not its depth.
11505         (is_interchange_valid): Pass the depth of the loop nest, don't
11506         recompute it wrongly.
11507         (graphite_trans_bb_block): Same.
11508         (graphite_trans_bb_block): Print tentative of loop blocking.
11509         (graphite_trans_scop_block): Do not print that the loop has been
11510         blocked.
11511         (graphite_transform_loops): Do not handle scops that contain condition
11512         scalar phi nodes.
11513
11514 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11515
11516         AVX Programming Reference (December, 2008)
11517         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11518         (_mm256_stream_pd): Likewise.
11519         (_mm256_stream_ps): Likewise.
11520
11521         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11522         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11523         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11524         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11525         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11526         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11527         (ix86_expand_special_args_builtin): Likewise.
11528
11529         * config/i386/sse.md (AVXMODEDI): New.
11530         (avx_movnt<mode>): Likewise.
11531         (avx_movnt<mode>): Likewise.
11532         (<sse>_movnt<mode>): Remove AVX support.
11533         (sse2_movntv2di): Likewise.
11534
11535 2009-01-07  Richard Guenther  <rguenther@suse.de>
11536
11537         PR middle-end/38751
11538         * fold-const.c (extract_muldiv): Remove obsolete comment.
11539         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11540         to PLUS_EXPR canonicalization for the canonicalization.
11541
11542 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11543
11544         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11545         hosted cross-compilers generating less efficient code.
11546
11547 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11548
11549         * function.h (rtl_data): Add a dbr_scheduled_p field.
11550         * reorg.c (dbr_schedule): Set it.
11551         (gate_handle_delay_slots): Check it.
11552         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11553         (mips_reorg): Check flag_delayed_branch instead of
11554         mips_base_delayed_branch.
11555         (mips_override_options): Don't set mips_base_delayed_branch
11556         or flag_delayed_branch.
11557
11558 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11559
11560         PR rtl-optimization/38426.
11561         * ira.c (ira): Set current_function_is_leaf earlier.
11562
11563 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11564
11565         PR rtl-optimization/38722
11566         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11567         too early, only set a flag and modify after last possible
11568         undo_all point.
11569
11570 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11571
11572         PR c/34252
11573         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11574         * real.c (decimal_single_format): Correct values of emin and emax.
11575         (decimal_double_format): Ditto.
11576         (decimal_quad_format): Ditto.
11577         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11578         computation of DECnn_MIN and DECnn_MAX for corrected values of
11579         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11580         __DECnn_MIN__, and adjust its computation for the corrected value
11581         of emin.
11582
11583 2009-01-06  Jan Hubicka  <jh@suse.cz>
11584
11585         PR target/38744
11586         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11587
11588 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11589
11590         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11591         Add Robert Clark to the list of testers.
11592
11593 2009-01-06  Jan Hubicka  <jh@suse.cz>
11594             Kai Tietz  <kai.tietz@onevision.com>
11595
11596         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11597         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11598
11599 2009-01-06  Jan Hubicka  <jh@suse.cz>
11600             Kai Tietz  <kai.tietz@onevision.com>
11601
11602         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11603         for w64 ABI.
11604         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11605         (ix86_nsaved_regs): Count only general purpose regs.
11606         (ix86_nsaved_sseregs): New.
11607         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11608         to 16 for w64; compute padding and size of sse reg save area.
11609         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11610         general purpose regs.
11611         (ix86_emit_save_sse_regs_using_mov): New.
11612         (ix86_expand_prologue): Save SSE regs if needed.
11613         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11614         (ix86_emit_restore_sse_regs_using_mov): New.
11615         (ix86_expand_epilogue): Save SSE regs if needed.
11616
11617 2009-01-06  Jan Hubicka  <jh@suse.cz>
11618             Kai Tietz  <kai.tietz@onevision.com>
11619
11620         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11621         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11622         functions when accumulate outgoing args is off.
11623
11624 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11625
11626         PR bootstrap/38742
11627         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11628         before using pseudos_have_intersected_live_ranges_p.
11629
11630         * ira-int.h (ira_assert): Always define.
11631
11632 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11633
11634         AVX Programming Reference (December, 2008)
11635         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11636         (_mm256_permute2_pd): Likewise.
11637         (_mm_permute2_ps): Likewise.
11638         (_mm256_permute2_ps): Likewise.
11639         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11640         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11641
11642         * config/i386/i386.c (ix86_builtins): Remove
11643         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11644         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11645         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11646         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11647         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11648         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11649         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11650         __builtin_ia32_vpermil2ps256.
11651         (ix86_init_mmx_sse_builtins): Updated.
11652         (ix86_expand_args_builtin): Likewise.
11653
11654 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11655
11656         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11657         long absolute calls when generating PA 2.0 code.
11658
11659 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11660
11661         PR rtl-optimization/38583
11662         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11663
11664         * params.def (ira-max-conflict-table-size): New.
11665
11666         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11667
11668         * ira.h (ira_conflicts_p): New external definition.
11669
11670         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11671         table.  Report this.  Return result of building.
11672         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11673         building conflict table.
11674
11675         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11676         (ira_color): Use ira_conflicts_p.
11677
11678         * global.c: Include ira.h.
11679         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11680         ira_conflicts_p.
11681
11682         * Makefile.in (global.o): Add ira.h.
11683
11684         * ira-build.c (mark_all_loops_for_removal,
11685         propagate_some_info_from_allocno): New.
11686         (remove_unnecessary_allocnos): Call
11687         propagate_some_info_from_allocno.
11688         (remove_low_level_allocnos): New.
11689         (remove_unnecessary_regions): Add parameter.  Call
11690         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11691         parameter to remove_unnecessary_regions.
11692         (ira_build): Remove all regions but root if the conflict table was
11693         not built.  Update conflict hard regs for allocnos crossing calls.
11694
11695         * ira.c (ira_conflicts_p): New global.
11696         (ira): Define and use ira_conflicts_p.
11697
11698         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11699         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11700         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11701
11702 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11703
11704         * gengtype-lex.l (YY_NO_INPUT): Define.
11705
11706 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11707
11708         PR c/34911
11709         * c-common.c (handle_vector_size_attribute): Also reject
11710         BOOLEAN_TYPE types.
11711
11712 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11713
11714         PR tree-optimization/38492
11715         * graphite.c (rename_map_elt, debug_rename_elt,
11716         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11717         rename_map_elt_info, eq_rename_map_elts,
11718         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11719         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11720         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11721         (sese_build_livein_liveouts): New.
11722         (new_sese, free_sese): New.
11723         (new_scop): Call new_sese.
11724         (free_scop): Call free_sese.
11725         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11726         (register_old_new_names): Renamed register_old_and_new_names.
11727         (register_scop_liveout_renames, add_loop_exit_phis,
11728         insert_loop_close_phis, struct igp,
11729         default_liveout_before_guard, add_guard_exit_phis,
11730         insert_guard_phis, copy_renames): New.
11731         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11732         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11733         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11734         (scop_adjust_phis_for_liveouts): New.
11735         (gloog): Call scop_adjust_phis_for_liveouts.
11736
11737         * graphite.h (struct sese): Documented.  Added fields liveout,
11738         num_ver and livein.
11739         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11740         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11741         (struct scop): Added field liveout_renames.
11742         (SCOP_LIVEOUT_RENAMES): New.
11743
11744 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11745
11746         PR tree-optimization/38510
11747         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11748         (translate_clast): Call recompute_all_dominators before
11749         graphite_verify.
11750         (gloog): Call recompute_all_dominators before graphite_verify.
11751
11752 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11753             Jan Sjodin  <jan.sjodin@amd.com>
11754
11755         PR tree-optimization/38500
11756         * graphite.c (create_sese_edges): Call fix_loop_structure after
11757         splitting blocks.
11758
11759 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11760
11761         * config.gcc: Add m32r*-*-rtems*.
11762         * config/m32r/rtems.h: New file.
11763
11764 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11765
11766         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11767         (.po.pox): Likewise.
11768         (po/gcc.pot): Likewise.
11769
11770 2009-01-04  David S. Miller  <davem@davemloft.net>
11771
11772         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11773         (STARTING_FRAME_OFFSET): Always set to zero.
11774
11775 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11776
11777         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11778         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11779         fixed-point types, and vectors of the same.
11780
11781 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11782
11783         * config/mips/sync.md (*mb_barrier): Rename to...
11784         (*memory_barrier): ...this.
11785
11786 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11787
11788         * doc/extend.texi (Function Attributes): Move @cindex after @item
11789         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11790         and put in alphabetical order. Fix 'target' name and put in order.
11791         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11792         typos.
11793
11794 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11795
11796         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11797         (memory_barrier): Expand as unspec instead of unspec_volatile.
11798         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11799         (*memory_barrier): Define as unspec instead of unspec_volatile.
11800         Use (match_dup 0) as input operand.
11801
11802         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11803         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11804         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11805         scratch register.  Remove operand 1.
11806         (*stbar): Define as unspec instead of unspec_volatile.
11807         Use (match_dup 0) as input operand, remove (const_int 8).
11808         (*membar): Define as unspec instead of unspec_volatile.
11809         Use (match_dup 0) as input operand, remove input operand 2.
11810
11811         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11812         (memory_barrier): Expand as unspec instead of unspec_volatile.
11813         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11814         (*memory_barrier): Define as unspec instead of unspec_volatile.
11815         Use (match_dup 0) as input operand.
11816
11817         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11818         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11819         Set volatile flag on operand 0.
11820         (*memory_barrier): New insn pattern.
11821
11822         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11823         insn operands.
11824         (*memory_barrier): Use (match_dup 0) as input operand.
11825
11826         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11827         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11828         Set volatile flag on operand 0.
11829         (*mb_internal): New insn pattern.
11830
11831         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11832
11833 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11834
11835         PR middle-end/38586
11836         * function.c (struct temp_slot): Move to the section of the file
11837         that deals with temp slots.  Remove field 'address'.
11838         (temp_slot_address_table): New hash table of address -> temp slot.
11839         (struct temp_slot_address_entry): New struct, items for the table.
11840         (temp_slot_address_compute_hash, temp_slot_address_hash,
11841         temp_slot_address_eq, insert_temp_slot_address): Support functions
11842         for the new table.
11843         (find_temp_slot_from_address): Rewrite to use the new hash table.
11844         (remove_unused_temp_slot_addresses): Remove addresses of temp
11845         slots that have been made available.
11846         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11847         worker function for remove_unused_temp_slot_addresses.
11848         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11849         Add the temp slot address to the address -> temp slot map.
11850         (update_temp_slot_address): Update via insert_temp_slot_address.
11851         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11852         (pop_temp_slots): Likewise.
11853         (init_temp_slots): Allocate the address -> temp slot map, or empty
11854         the map if it is already allocated.
11855         (prepare_function_start): Initialize temp slot processing.
11856
11857 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11858
11859         PR middle-end/38584
11860         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11861         Calculate the size of all stack vars assuming no packing of stack
11862         vars will happen, replacing a quadratic algorithm with a linear one.
11863
11864 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11865
11866         PR target/38707
11867         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11868         can't be used.
11869
11870 2009-01-03  Diego Novillo  <dnovillo@google.com>
11871
11872         * doc/contrib.texi: Update contributions.
11873
11874 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11875
11876         PR c++/38705
11877         * builtins.c (fold_builtin_memory_op): Give up if either operand
11878         is volatile.  Set srctype or desttype to non-qualified version
11879         of the other type.
11880
11881         PR c/38700
11882         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11883         and FUNCTION_DECLs.
11884
11885 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11886
11887         PR rtl-optimization/35805
11888         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11889         problem if fast dce is able to remove any instructions.
11890         * dce.c (dce_process_block): Fix dump message.
11891
11892 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11893
11894         PR 33649
11895         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11896
11897 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11898
11899         PR middle-end/38690
11900         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11901         * tree-pretty-print.c (op_code_prio): New function.
11902         (op_prio): No longer static.  Use op_code_prio.
11903         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11904         Use op_prio and op_code_prio to determine if () should be
11905         printed around operand(s) or not.
11906
11907         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11908         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11909         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11910         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11911         pp_character instead of pp_string for single letter printing.
11912
11913 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11914
11915         * doc/extend.texi: Fix '#pragma GCC option' typo.
11916
11917 2009-01-02  Richard Guenther  <rguenther@suse.de>
11918
11919         * doc/install.texi (--enable-checking): Mention different
11920         default for stage1.
11921         (--enable-stage1-checking): Document.
11922
11923 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11924
11925         PR middle-end/30142
11926         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11927         case to be an error.
11928
11929 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11930
11931         * config/fp-bit.h (pack_d): Constify argument.
11932         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11933         (isnan): Constify argument.
11934         (isinf): Likewise.
11935         (iszero): Likewise.
11936         (pack_d): Likewise.
11937         (_fpadd_parts): Constify return type.
11938         (_fpmul_parts): Likewise.
11939         (_fpdiv_parts): Likewise.
11940
11941 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11942
11943         PR c/36489
11944         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11945         warn about overwriting initializer with side-effects or
11946         -Woverride-init if !IMPLICIT.
11947         (output_init_element): Likewise.  Pass IMPLICIT down to
11948         add_pending_init.
11949         (process_init_element): Add IMPLICIT argument.  Pass it down
11950         to output_init_element.
11951         (push_init_element, pop_init_level, set_designator): Adjust
11952         process_init_element callers.
11953         (set_nonincremental_init, set_nonincremental_init_from_string):
11954         Adjust add_pending_init callers.
11955         (output_pending_init_elements): Adjust output_init_element callers.
11956         * c-tree.h (process_init_element): Adjust prototype.
11957         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11958         process_init_element callers.
11959
11960 \f
11961 Copyright (C) 2009 Free Software Foundation, Inc.
11962
11963 Copying and distribution of this file, with or without modification,
11964 are permitted in any medium without royalty provided the copyright
11965 notice and this notice are preserved.