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Correct formatting errors commited in rev 147516
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-14  Ian Lance Taylor  <iant@google.com>
2
3         * passes.c (finish_optimization_passes): Change i to int.
4         * plugin.c (plugins_active_p): Change event to int.
5         (dump_active_plugins): Likewise.
6         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
7         Add cast.
8         * tree.c (tree_range_check_failed): Change c to unsigned int.
9         (omp_clause_range_check_failed): Likewise.
10         (build_common_builtin_nodes): Change mode to int.  Add cast.
11         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
12         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
13
14         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
15         ++ or -- with a variable of enum type.
16
17 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
18
19         PR driver/40144
20         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
21
22 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
23
24         * store-motion.c: Do not include params.h
25         * Makefile.in: Fix dependencies for various files.
26
27 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
28
29         * auto-inc-dec.c: Fix pass description, remove apparent
30         accidental duplication.
31
32 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
33
34         PR middle-end/40147
35         * ipa-utils.h (memory_identifier_string): Moved to ...
36         * tree.h (memory_identifier_string): Here.  Add GTY(()).
37
38 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
39
40         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
41         in the former documentation of...
42         (GO_IF_LEGITIMATE_ADDRESS): ... this.
43         * ira-conflicts.c (get_dup_num): Use address_operand.
44         * targhooks.c (default_legitimate_address_p): New.
45         * targhooks.h (default_legitimate_address_p): New.
46         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
47         Call hook.
48         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
49         * target.h (struct target): Add legitimate_address_p.
50         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
51         (TARGET_INITIALIZER): Include it.
52
53         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
54         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
55         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
56         (TARGET_LEGITIMATE_ADDRESS_P): New.
57
58         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
59         (REG_OK_STRICT_P): Delete.
60         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
61         (frv_legitimate_address_p_1): ... this.
62         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
63         (frv_legitimate_address_p_1): ... the renamed old
64         frv_legitimate_address_p.
65         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
66         (TARGET_LEGITIMATE_ADDRESS_P): New.
67
68         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
69         * config/s390/s390-protos.h (legitimate_address_p): Remove.
70         * config/s390/s390.c (legitimate_address_p): Rename to...
71         (s390_legitimate_address_p): ... this, make static.
72         (legitimize_address): Adjust call.
73         (TARGET_LEGITIMATE_ADDRESS_P): New.
74         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
75
76         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
77         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
78         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
79         (TARGET_LEGITIMATE_ADDRESS_P): New.
80
81         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
82         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
83         * config/spu/spu.c (spu_legitimate_address): Rename to...
84         (spu_legitimate_address_p): ... this, make static.
85         (TARGET_LEGITIMATE_ADDRESS_P): New.
86
87         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
88         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
89         * config/sparc/sparc.c (legitimate_address_p): Rename to...
90         (sparc_legitimate_address_p): ... this, make static and return bool.
91         (legitimize_address): Adjust call.
92         (TARGET_LEGITIMATE_ADDRESS_P): New.
93
94         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
95         * config/i386/i386-protos.h (legitimate_address_p): Remove.
96         * config/i386/i386.c (legitimate_address_p): Rename to...
97         (ix86_legitimate_address_p): ... this, make static.
98         (constant_address_p): Move after it, adjust call.
99         (TARGET_LEGITIMATE_ADDRESS_P): New.
100
101         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
102         * config/avr/avr-protos.h (legitimate_address_p): Remove.
103         * config/avr/avr.c (legitimate_address_p): Rename to...
104         (avr_legitimate_address_p): ... this, make static.
105         (legitimize_address): Adjust call.
106         (TARGET_LEGITIMATE_ADDRESS_P): New.
107
108         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
109         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
110         * config/crx/crx.c (crx_legitimate_address_p): Make static.
111         (TARGET_LEGITIMATE_ADDRESS_P): New.
112
113         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
114         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
115         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
116         (TARGET_LEGITIMATE_ADDRESS_P): New.
117
118         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
119         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
120         Remove.
121         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
122         Make static.
123         (TARGET_LEGITIMATE_ADDRESS_P): New.
124
125         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
126         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
127         Remove.
128         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
129         Rename to...
130         (m68hc11_legitimate_address_p): ... this, make static.
131         (go_if_legitimate_address_internal): Rename to...
132         (m68hc11_legitimate_address_p_1): ... this.
133         (legitimize_address): Adjust call.
134         (TARGET_LEGITIMATE_ADDRESS_P): New.
135
136         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
137         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
138         Remove.
139         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
140         Make static.
141         (TARGET_LEGITIMATE_ADDRESS_P): New.
142
143         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
144         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
145         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
146         (mn10300_legitimate_address_p): ... this, make static.
147         (TARGET_LEGITIMATE_ADDRESS_P): New.
148
149         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
150         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
151         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
152         (TARGET_LEGITIMATE_ADDRESS_P): New.
153
154         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
155         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
156         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
157         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
158         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
159         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
160         (rs6000_legitimate_address_p): ... this, make static.
161         (TARGET_LEGITIMATE_ADDRESS_P): New.
162         (REG_MODE_OK_FOR_BASE_P): Delete.
163         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
164
165         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
166         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
167         Delete.
168         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
169         static, adjust types.
170         (TARGET_LEGITIMATE_ADDRESS_P): New.
171
172         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
173         * config/score/score.c (score_address_p): Rename to...
174         (score_legitimate_address_p): ... this.
175         (TARGET_LEGITIMATE_ADDRESS_P): New.
176         * config/score/score3.c (score3_address_p): Rename to...
177         (score3_legitimate_address_p): ... this.
178         * config/score/score7.c (score7_address_p): Rename to...
179         (score7_legitimate_address_p): ... this.
180
181         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
182         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
183         GO_IF_LEGITIMATE_ADDRESS): Delete.
184         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
185         thumb2_legitimate_address_p): Delete.
186         (arm_legitimate_address_p): Rename to...
187         (arm_legitimate_address_outer_p): ... this.
188         * config/arm/constraints.md ("Uq"): Adjust call.
189         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
190         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
191         (arm_legitimate_address_outer_p): ... this.
192         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
193         (TARGET_LEGITIMATE_ADDRESS_P): New.
194
195         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
196         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
197         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
198         (TARGET_LEGITIMATE_ADDRESS_P): New.
199
200         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
201         * config/vax/vax-protos.h (legitimate_address_p): Remove.
202         * config/vax/vax.c (legitimate_address_p): Rename to...
203         (vax_legitimate_address_p): ... this, make static.
204         (TARGET_LEGITIMATE_ADDRESS_P): New.
205
206         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
207         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
208         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
209         (TARGET_LEGITIMATE_ADDRESS_P): New.
210
211         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
212         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
213         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
214         (mmix_legitimate_address_p): ... this, make static.
215         (TARGET_LEGITIMATE_ADDRESS_P): New.
216
217         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
218         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
219         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
220         (TARGET_LEGITIMATE_ADDRESS_P): New.
221
222 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
223
224         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
225         of MODE_COMPLEX_INT.
226
227 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
228
229         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
230         LCT_NORMAL in function call.
231         * mips-tdump.c (print_file_desc): Add cast to enum type.
232         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
233         (mark_stabs): Add casts to enum types.
234         (parse_stabs_common): Add casts to enum types.
235
236 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
237
238         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
239         Check for invalid values of LETTER.
240
241 2009-05-13  Taras Glek  <tglek@mozilla.com>
242
243         * attribs.c (register_attribute): moved out attribute registration into
244         register_attribute.
245         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
246         * gcc-plugin.h: Added forward decl for register_attribute.
247         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
248         * plugin.c (register_callback, invoke_plugin_callbacks): Added
249         PLUGIN_ATTRIBUTES boilerplate.
250
251 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
252
253         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
254         values even in sentinel and empty entries.
255         (ms_printf_flag_specs):  Likewise.
256         (ms_scanf_flag_specs):  Likewise.
257         (ms_strftime_flag_specs):  Likewise.
258         (ms_print_char_table):  Likewise.
259         (ms_scan_char_table):  Likewise.
260         (ms_time_char_table):  Likewise.
261
262 2009-05-13  Doug Kwan  <dougkwan@google.com>
263
264         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
265
266 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
267
268         * config/mips/mips.md (store): Add attributes for QI and HI.
269         Update comment.
270         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
271         (truncdi<mode>2): ... this new pattern.
272
273 2009-05-13  Brad Hards  <bradh@kde.org>
274
275         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
276
277 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
278             Ben Elliston <bje@au.ibm.com>
279
280         PR middle-end/40035
281         * dse.c (check_mem_read_rtx): Guard against width == -1.
282
283 2009-05-13  Michael Matz  <matz@suse.de>
284
285         PR middle-end/39976
286         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
287         (trivially_conflicts_p): New function.
288         (insert_backedge_copies): Use it.
289
290 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
291
292         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
293         (handle_stdc_pragma): Use new enum constant names.
294         (handle_pragma_float_const_decimal64): Ditto.
295
296 2009-05-13  Ian Lance Taylor  <iant@google.com>
297
298         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
299         tree.def.
300
301 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
302
303         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
304         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
305         multilibs.
306         * config/m68k/m68k.h (FL_UCLINUX): Define.
307
308 2009-05-13  Jan Hubicka  <jh@suse.cz>
309
310         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
311
312 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
313
314         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
315         unless -fschedule-insns is specified.
316
317 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
318
319         PR target/39561
320         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
321         TARGET_EXPAND_CBRANCHDI4.
322         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
323         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
324         (cmpeqdi): Fix comment.
325
326 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
327
328         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
329         (sh_legitimate_address_p): Likewise.
330         * config/sh/sh.c (sh_legitimate_index_p): New.
331         (sh_legitimate_address_p): Likewise.
332         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
333         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
334         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
335         (MAYBE_BASE_REGISTER_RTX_P): New macro.
336         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
337         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
338         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
339         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
340         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
341
342 2009-05-12  Jan Hubicka  <jh@suse.cz>
343
344         * tree-inline.c (estimate_operator_cost): Add operands;
345         when division happens by constant, it is cheap.
346         (estimate_num_insns): Loads and stores are not having cost of 0;
347         EH magic stuff is cheap; when computing runtime cost of switch,
348         use log2 base of amount of its cases; builtin_expect has cost of 0;
349         compute cost for moving return value of call.
350         (init_inline_once): Initialize time_based flags.
351         * tree-inline.h (eni_weights_d): Add time_based flag.
352
353 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
354
355         * df-core.c: Update head documentation.
356
357 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
358
359         PR bootstrap/40118
360         * rs6000.c (rs6000_generate_compare): Use op1b instead of
361         shadowing exisiting variable op1.
362
363 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
364
365         PR target/37179
366         * config/i386/driver-i386.c (processor_signatures): New enum.
367         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
368         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
369         processor signature to detect geode processor.
370
371 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
372
373         Revert:
374
375         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
376
377         * optabs.c (prepare_cmp_insn): Temporarily disable test that
378         causes spurious differences between trunk and cond-optab branch.
379
380 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
381
382         * dojump.c (compare_from_rtx): Delete.
383         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
384         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
385         if the comparison does not satisfy the predicate; test predicates for
386         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
387         further if one existing pattern fails.
388         * expr.h (compare_from_rtx): Delete.
389         (prepare_operand): Declare it.
390         * optabs.c: Change "lib call" to "libcall" throughout.
391         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
392         HAVE_conditional_trap, emit_cmp_insn): Delete.
393         (can_compare_p): Delete cmp_optab case.
394         (prepare_float_lib_cmp): Return an rtx and a machine mode.
395         Accept other parameters by value.
396         (prepare_operand): Make non-static.
397         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
398         other parameters by value.  Try to widen operands here based on
399         an optab_methods argument and looking at cbranch_optab.
400         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
401         loop.  Use cbranch_optab directly.
402         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
403         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
404         assertion.
405         (emit_conditional_move, emit_conditional_add): Inline what's needed
406         of compare_from_rtx, using new prepare_cmp_insn for the rest.
407         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
408         with COMPARE.  Move cmov_optab and cstore_optab above
409         with cbranch_optab, move cmp_optab down with ucmp_optab,
410         remove tst_otpab.  Do not initialize trap_rtx.
411         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
412         for trap code.  Do not check HAVE_conditional_trap.  Use
413         prepare_cmp_insn.  Accept no predicate for operand 3.
414         * optabs.h (OTI_cmp): Mark as used only for libcalls.
415         (OTI_ctrap, ctrap_optab): New.
416         (tst_optab): Delete.
417         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
418         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
419         with lookup of ctrap_optab.
420         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
421         setcc_gen_code): Delete.
422         (ctrap_optab): New.
423
424         * combine.c (combine_simplify_rtx, simplify_set): Do not
425         special case comparing against zero for cc0 machines.
426         * simplify-rtx.c (simplify_binary_operation_1): Never remove
427         COMPARE on cc0 machines.
428         (simplify_relational_operation): Return a new expression when
429         a COMPARE could be removed.
430         * final.c (final_scan_insn): Compare cc_status values
431         against LHS of a (compare FOO (const_int 0)) cc0 source.
432         Also check if cc_status.value is the full compare.
433
434         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
435         (cstoreMM4): Document.
436         (conditional_trap): Document ctrapMM4 instead.
437         (sync_compare_and_swapMM): Refer to cbranchcc4.
438         (Dependent Patterns): Eliminate obsolete information referring to
439         the old jump optimization phase.
440         (Canonicalization): Include cbranchcc4 case, omit canonicalization
441         of compares with 0 on cc0 machines.
442         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
443         avoiding references to cc0.  Remove text about storing operands
444         in cmpMM.
445         * doc/tm.texi (Condition Codes): Include blurb on different
446         condition code representations, separate into subsections for
447         CC0, MODE_CC and conditional execution.
448
449         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
450         alpha_emit_setcc): Accept operands and a machine mode.
451         * config/alpha/alpha.c (alpha_emit_conditional_branch):
452         Get code/op0/op1 from operands, use machine mode argument
453         instead of alpha_compare.fp_p.  Emit the branch here.
454         (alpha_emit_setcc): Likewise, and return boolean.
455         (alpha_emit_conditional_move): Likewise.  Assert that
456         cmp_op_mode == cmp_mode, and simplify accordingly.
457         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
458         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
459         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
460         Delete.
461         (stack probe test): Use cbranchdi4.
462         * config/alpha/predicates.md (alpha_cbranch_operator): New.
463
464         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
465         * config/arc/arc.h (movsicc, movsfcc): Use it.
466         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
467         (cbranchsi4, cstoresi4): New.
468         (cmpsi, bCC and sCC expanders): Remove. 
469
470         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
471         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
472         * config/arm/predicates.md (arm_comparison_operator): Only include
473         floating-point operators if there is a hardware floating-point unit.
474         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
475         deferring to cbranch_cc and cstore_cc respectively.
476         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
477         cbranch_cc, cstore_cc): New.
478         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
479         arm_compare_op1.
480         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
481
482         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
483         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
484         as an argument.
485         (adjust_insn_length): Adjust calls.
486         (avr_reorg): Handle (compare (foo) (const_int 0)).
487         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
488         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
489         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
490         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
491         (bCC): Remove.
492         (cbranchqi4, cbranchhi4, cbranchsi4): New.
493         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
494
495         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
496         (cbranchsi4, cstorebi4, cstoresi4): New.
497         (movbisi): This insn is duplicate, split it to zero_extend.
498         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
499         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
500         (bfin_optimize_loop): Use cbranch expander.
501         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
502         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
503         (bfin_bimode_comparison_operator): ... this.
504         (bfin_direct_comparison_operator): New.
505  
506         * config/cris/cris.c (cris_normal_notice_update_cc): Look
507         inside (compare FOO (const_int 0)).
508         (cris_rtx_costs): Handle ZERO_EXTRACT.
509         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
510         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
511         (*tstdi_v32): Delete.
512         (*cmpdi_non_v32): Add M alternative for operand 1.
513         (cmpsi, cmp<mode>): Make private.
514         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
515         with COMPARE.
516         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
517
518         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
519         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
520         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
521         (cc_reg_operand): New.
522         (any_cond): Delete.
523         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
524         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
525         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
526         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
527         crx_expand_scond): Delete.
528
529         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
530         (cbranchsi4): New.
531         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
532         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
533
534         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
535         cstoresi4, cstoresf4, cstoredf4): New.
536         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
537         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
538         Receive the entire operands array.
539         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
540         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
541         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
542         Get test/op0/op1 from the operands array.
543         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
544
545         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
546         (h8300_expand_store): New.
547         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
548         (const_int 0)).
549         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
550         (h8300_expand_store): New.
551         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
552         or do not try to produce (set (cc0) REG).
553         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
554         change a compare into a move to a scratch register.  Disable some
555         peepholes when comparing with zero.
556         (tstsi, tsthi, tstsi, cmpqi): Make private.
557         (cmphi): Delete.
558         (bCC, sCC): Delete.
559         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
560         cstoresi4): New.
561
562         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
563         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
564         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
565         (ix86_emit_i387_log1p): Use cbranchxf2.
566         (ix86_expand_setcc): Return void.
567         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
568         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
569         cmp<MODEF>, cmpcc): Remove.
570         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
571         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
572         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
573         (sCC and bCC expanders): Remove.
574         (stack_protect_test): Use cbranchcc4.
575
576         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
577         Delete.
578         (ia64_expand_compare): Accept three rtx by reference and return void.
579         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
580         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
581         from *expr.  Update *expr with the BImode comparison to do.
582         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
583         cmptf, bCC, sCC, conditional_trap): Delete.
584         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
585         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
586         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
587         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
588         * config/ia64/predicates.md (ia64_cbranch_operator): New.
589
590         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
591         type of last argument.
592         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
593         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
594         use machine mode argument instead of branch_type.  Remove dead
595         code for floating-point comparisons.
596         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
597         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
598         Remove.
599         (cbranchsi4, cstoresi4): New.
600         * config/iq2000/predicates.md (reg_or_const_operand): New.
601
602         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
603         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
604         (b<code>_op): Rewrite to...
605         (bcc_op): ... this, using match_operator.
606         (s<code>_op): Rewrite to...
607         (scc_op): ... this, using match_operator.
608         (s<code>_24_op): Rewrite to...
609         (scc_op_24): ... this, using match_operator.
610         (s<code>_<mode>): Rewrite to...
611         (cstore<mode>4): ... this, using match_operator.
612         (s<code>_<mode>_24): Rewrite to...
613         (cstore<mode>4_24): ... this, using match_operator.
614         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
615         m32c_unpend_compare, m32c_expand_scc): Delete.
616         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
617         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
618         (m32c_expand_movcc): Change NE to EQ if necessary.
619         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
620
621         * config/m32r/m32r-protos.h (gen_cond_store): New.
622         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
623         (gen_cond_store): New, from sCC patterns.
624         (m32r_expand_block_move): Use cbranchsi4.
625         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
626         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
627         (cbranchsi4, cstoresi4): New.
628         
629         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
630         Delete.
631         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
632         (m68hc11_notice_update_cc): Look into a compare with 0.
633         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
634         Delete.
635         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
636         cmphi, cmpqi, bCC): Delete.
637         (cbranchsi4, cbranchhi4, cbranchqi4): New.
638         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
639         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
640         sets with COMPARE.
641
642         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
643         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
644         * config/m68k/constraints.md (H): New.
645         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
646         the define_insn below.
647         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
648         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
649         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
650         patterns): Wrap RHS with COMPARE.
651         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
652         (*cmpdi_internal): Name this pattern.
653         (cmpdi): Change to define_insn.
654         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
655         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
656         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
657         predicate.
658         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
659         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
660         (conditional_trap): Change to...
661         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
662         (*conditional_trap): Use the ordered_comparison_operator and
663         const1_operand predicates.
664         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
665         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
666         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
667         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
668
669         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
670         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
671         (mcore_gen_compare): New. 
672         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
673         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
674         (mcore_gen_compare): ... this.
675         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
676         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
677         (stack probe pattern): Use cbranchsi4.
678
679         * config/mips/predicates.md (mips_cstore_operator): New.
680         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
681         * config/mips/mips.md (any_cond): Delete.
682         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
683         always succeed.
684         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
685         fixuns_truncsfdi2): Use cbranch patterns.
686         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
687         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
688         Adjust call to mips_expand_conditional_branch.
689         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
690         cstore<GPR:mode>4.
691         * config/mips/mips-protos.h (mips_expand_conditional_branch,
692         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
693         * config/mips/mips.c (cmp_operands): Delete.
694         (mips_emit_compare): Get comparison operands from *op0/*op1.
695         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
696         that it succeeds.  Use op0/op1 instead of cmp_operands.
697         (mips_expand_conditional_branch, mips_expand_conditional_move,
698         mips_expand_conditional_trap): Likewise.
699         (mips_block_move_loop): Use cbranch patterns. 
700         * config/mips/mips.h (cmp_operands): Delete.
701
702         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
703         (mmix_gen_compare_reg): Just return a register in the right CC mode.
704         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
705         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
706         (*cmpcc_folded): Rename to...
707         (*cmpdi_folded): this.
708         (*cmpcc): Rename to...
709         (*cmps): ... this.
710         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
711         (bCC): Remove.
712         (cbranchdi4): New.
713         (cbranchdf4): New.  Handle invalid comparisons here.
714         * config/mmix/predicates.md (float_comparison_operator): New.
715
716         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
717         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
718         * config/mn10300/mn10300.md (tst): Delete.
719         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
720         Name these patterns and wrap RHS in a compare.
721         (*cmpsi): Make this pattern private.  Include tst.
722         (*cmpsf): Make this pattern private.
723         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
724         (compare with zero peepholes): Likewise.
725         (bCC): Remove.
726         (cbranchsi4, cbranchsf4): New.
727         (casesi): Use cbranchsi4.
728
729         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
730         hppa_branch_type): Delete.
731         (return_addr_rtx): Use cbranchsi4.
732         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
733         Emit CCFPmode comparison here.
734         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
735         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
736         hppa_branch_type): Delete.
737         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
738         (movsicc, movdicc): Remove references to hppa_compare_op0,
739         hppa_compare_op1 and compare_from_rtx.
740         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
741         (casesi): Use cbranchsi4.
742
743         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
744         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
745         * config/pdp11/pdp11.md (register_or_const0_operand): New.
746         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
747         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
748         (bCC): Delete.
749         (cbranchdf4, cbranchhi4, cbranchqi4): New.
750         (*branch, *branch_inverted): New.
751
752         * config/picochip/picochip.md (cbranchhi4): Use
753         ordered_comparison_operator.
754         (cmphi, bCC): Remove.
755
756         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
757         (trap_comparison_operator): Delete.
758         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
759         rs6000_emit_cbranch): Accept mode and operands.
760         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
761         rs6000_compare_fp_p): Delete.   
762         (rs6000_generate_compare): Accept mode and comparison.  Extract code
763         and op0/op1 from there.  Replace references to rs6000_compare_op0
764         and rs6000_compare_op1.
765         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
766         extract result from passed operands.
767         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
768         extract loc from passed operands.
769         (rs6000_emit_cmove): Likewise.
770         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
771         rs6000_compare_fp_p): Delete.
772         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
773         (cbranch<GPR>4, cbranch<FP>4): New.
774         (cstore<mode>4): New.  Consolidate here all choices about when to use
775         portable or specialized sCC sequences.
776         (stack_protect_test): Use cbranchsi4.
777         (conditional_trap): Replace with ctrap<GPR>4.
778         (conditional trap insn): Replace trap_comparison_operator with
779         ordered_comparison_operator. 
780
781         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
782         (s390_emit_prologue): Use ctrap.
783         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
784         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
785         New predicates replacing...
786         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
787         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
788         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
789         (add<mode>cc): Do not use s390_compare_op0/op1.
790         (s<code>): Change to...
791         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
792         (seq): Change to...
793         (cstorecc4): ... this.  Handle EQ or NE equally.
794         (*sne): Un-privatize for use in cstorecc4.
795         (b<code>): Change to...
796         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
797         (conditional_trap): Replace with...
798         (ctrap<GPR>4, ctrap<FP>4): ... these.
799         (stack_protect): Use cbranchcc4.
800
801         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
802         * config/score/score-protos.h (score_gen_cmp): Delete.
803         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
804         (score_block_move-loop): Use cbranchsi4.
805         * config/score/score.md (cbranchsi4): New.
806         (cmpsi, bCC): Delete.
807         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
808         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
809         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
810         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
811         * config/score/score3.h (score3_gen_cmp): Delete.
812         * config/score/score7.h (score7_gen_cmp): Delete.
813
814         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
815         (sh_emit_scc_to_t): ... this.  Return void.
816         (from_compare): Rename to...
817         (sh_emit_compare_and_branch): ... this.
818         (sh_emit_compare_and_set): New.
819         (sh_expand_t_scc): Accept operands.
820         * config/sh/predicates.md (sh_float_comparison_operator): New.
821         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
822         (prepare_scc_operands): Rename to...
823         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
824         arguments.
825         (sh_emit_cheap_store_flag): New.
826         (sh_emit_set_t_insn): New.
827         (from_compare): Rename to...
828         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
829         handling of TARGET_SH2E floating point to avoid recursive call.
830         Generate branch here.
831         (sh_emit_compare_and_set): New.
832         (sh_expand_t_scc): Get op0/op1 from arguments.
833         (sh_emit_cheap_store_flag): New.
834         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
835         cases.
836         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
837         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
838         (movsicc, movdicc): Do nothing when it recreated operands from
839         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
840         prepare_scc_operands (now sh_emit_scc_to_t).
841         (udivdi3): Use cstoresi4.
842         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
843         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
844         (cbranchint4_media, cbranchfp4_media): New.
845         (casesi): Use cbranchdi4.
846         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
847         Delete.
848         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
849         (movnegt): Remove second operand.
850         (cbranchsf4, cbranchdf4): New.
851         (stack_protect): Use cbranchdi4/cbranchsi4.
852
853         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
854         (gen_compare_reg): Accept comparison, extract part of it to...
855         (gen_compare_reg_1): ... this. 
856         (gen_compare_operator): Delete.
857         (gen_v9_scc): Accept separate destination, comparison code and arms.
858         Do not use sparc_compare_op0/sparc_compare_op1.
859         (emit_scc_insn, emit_conditional_branch_insn): New.
860         (emit_v9_brxx): Make static.  Remove useless assertion.
861         (sparc_emit_float_lib_cmp): Return RTL instead of calling
862         emit_cmp_insn.
863         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
864         * config/sparc/sparc-protos.h (gen_compare_reg,
865         sparc_emit_float_lib_cmp): Adjust prototype.
866         (emit_scc_insn, emit_conditional_branch_insn): New.
867         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
868         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
869         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
870         iterators to the top.
871         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
872         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
873         snedi_special_trunc): Delete.
874         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
875         and snedi_special_trunc.
876         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
877         cbranchdi4, cbranch<F:mode>4): New.
878         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
879         here.  Use gen_compare_reg instead of gen_compare_operator.
880         (conditional_trap): Replace with...
881         (ctrapsi4, ctrapdi4): ... this.
882         (stack_protect_test): Use cbranchcc4.
883
884         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
885         argument to rtx.
886         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
887         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
888         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
889         from operands[0] or operands[3] depending on is_set.
890         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
891         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
892         cmpdf, bCC), sCC: Remove.
893         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
894         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
895         cstoredf4): New.
896         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
897         spu_emit_branch_or_set.
898
899         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
900         Add two arguments.
901         * config/stormy16/stormy16.h (xstormy16_compare_op0,
902         xstormy16_compare_op1): Delete.
903         * config/stormy16/stormy16.c (xstormy16_compare_op0,
904         xstormy16_compare_op1): Delete. 
905         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
906         Adjust calls.
907         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
908         (cmphi, cmpsi, bCC): Remove.
909
910         * config/v850/v850.md (tstsi, cmpsi): Fold into...
911         (*cmpsi): ... this one.
912         (cbranchsi4, cstoresi4): New.
913         (bCC expanders): Delete.
914         (sCC insns): Fold into...
915         (*setcc): ... this one.
916         (casesi): Do not use gen_cmpsi and gen_bgtu. 
917         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
918         (movsicc): Simplify.
919         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
920
921         * config/vax/vax-protos.h (cond_name): New.
922         (vax_output_conditional_branch): Remove.
923         * config/vax/vax.c (cond_name): New.
924         (vax_output_conditional_branch): Remove.
925         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
926         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
927         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
928         (bit<VAXint>): Wrap source with (compare).
929         (b<code> and following unnamed pattern): Rename to *branch and
930         *branch_reversed.  Change macroization to match_operator.
931         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
932
933         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
934         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
935         Change last argument to machine_mode.
936         (xtensa_expand_scc): Add machine_mode argument.
937         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
938         (gen_conditional_move, xtensa_expand_conditional_branch,
939         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
940         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
941         Adjust operand numbers.
942         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
943         Delete.
944         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
945         (cmpsi, cmpsf, b<code>, s<code>): Delete.
946         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
947
948 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
949
950         * optabs.c (prepare_cmp_insn): Temporarily disable test that
951         causes spurious differences between trunk and cond-optab branch.
952
953 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
954
955         PR target/37137
956         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
957
958 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
959
960         * tree.c (iterative_hash_pointer): Delete.
961         (iterative_hash_expr): Short-circuit handling of NULL pointer.
962         Hash UIDs and versions of SSA names.  Don't special-case built-in
963         function declarations.
964
965 2009-05-11  Ian Lance Taylor  <iant@google.com>
966
967         PR bootstrap/40103
968         * graphite.c: Force -Wc++-compat to only be a warning before
969         #including "cloog/cloog.h".
970
971 2009-05-11  Martin Jambor  <mjambor@suse.cz>
972
973         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
974         
975 2009-05-11  Jan Hubicka  <jh@suse.cz>
976
977         * tree-ssa-loop-ivcanon.c: Include target.h
978         (struct loop_size): new structure.
979         (constant_after_peeling): New predicate.
980         (tree_estimate_loop_size): New function.
981         (estimated_unrolled_size): Rewrite for new estimates.
982         (try_unroll_loop_completely): Use new estimates.
983         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
984
985 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
986
987         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
988         libcpp interface change.
989         (spu_macro_to_expand): Likewise.
990
991 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
992
993         PR tree-optimization/40026
994         * gimplify.c (gimplify_init_constructor): Change initial conditional
995         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
996         optimize_compound_literals_in_ctor.
997
998 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
999
1000         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1001         New devices.
1002         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1003
1004 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1005
1006         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1007         HOST_WIDE_INT for gap.
1008
1009 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1010
1011         PR tree-optimization/40074
1012         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1013         account in group size and step comparison.
1014
1015 2009-05-11  Richard Guenther  <rguenther@suse.de>
1016
1017         * passes.c (init_optimization_passes): Strip now incorrect comment.
1018         (execute_function_todo): Do not set PROP_alias.
1019         * tree-pass.h (PROP_alias): Remove.
1020         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1021         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1022         * tree-nrv.c (pass_return_slot): Likewise.
1023         * tree-object-size.c (pass_object_sizes): Likewise.
1024         * tree-ssa-dom.c (pass_dominator): Likewise.
1025         (pass_phi_only_cprop): Likewise.
1026         * tree-ssa-dse.c (pass_dse): Likewise.
1027         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1028         (pass_cselim): Likewise.
1029         * tree-ssa-pre.c (pass_pre): Likewise.
1030         (pass_fre): Likewise.
1031         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1032         * tree-ssa-sink.c (pass_sink_code): Likewise.
1033         * tree-stdarg.c (pass_stdarg): Likewise.
1034         * tree-tailcall.c (pass_tail_calls): Likewise.
1035         * tree-vrp.c (pass_vrp): Likewise.
1036
1037 2009-05-10  Ian Lance Taylor  <iant@google.com>
1038
1039         * basic-block.h (enum profile_status): Break out of struct
1040         control_flow_graph.
1041         * cgraph.h (struct inline_summary): Break out of struct
1042         cgraph_local_info.
1043         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1044         of struct cgraph_order_sort.
1045         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1046         * cse.c (struct branch_path): Break out of struct
1047         cse_basic_block_data.
1048         * except.h (enum eh_region_type): Break out of struct eh_region.
1049         * gcc.c (enum add_del): Break out of struct modify_target.
1050         * genrecog.c (enum decision_type): Break out of struct decision_test.
1051         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1052         ggc_pch_data.
1053         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1054         * regmove.c (enum match_use): New enum, broken out of struct match.
1055         * sched-int.h (enum post_call_group): New enum, broken out of
1056         struct deps.
1057         (struct deps_reg): Break out of struct deps.
1058         * target.h (struct asm_int_op): Break out of struct gcc_target.
1059         * tree-eh.c (struct goto_queue_node): Break out of struct
1060         leh_tf_state.
1061         * tree-inline.h (enum copy_body_cge_which): Break out of
1062         copy_body_data.
1063         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1064
1065         * c-decl.c (in_struct, struct_types): New static variables.
1066         (pushtag): Add loc parameter.  Change all callers.
1067         (lookup_tag): Add ploc parameter.  Change all callers.
1068         (check_compound_literal_type): New function.
1069         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1070         -Wc++-compat, warn about struct/union/enum types defined within a
1071         struct or union.
1072         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1073         and loc parameters.  Change all callers.  Change error calls to
1074         error_at, using loc.  For a redefinition, if the location of the
1075         original definition is known, report it.  Set in_struct and
1076         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1077         (finish_struct): Add new parameters enclosing_in_struct and
1078         enclosing_struct_types.  Change all callers.  Set
1079         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1080         in the struct.  If in a struct, add this struct to struct_types.
1081         (start_enum): Add loc parameter.  Change all callers.  Use
1082         error_at for errors, using loc.  For a redefinition, if the
1083         location of the original definition is known, report it.  If in a
1084         struct, add this enum type to struct_types.  If -Wc++-compat warn
1085         if in sizeof, typeof, or alignof.
1086         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1087         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1088         (c_parser_enum_specifier): Get enum location for start_enum.
1089         (c_parser_struct_or_union_specifier): Get struct location for
1090         start_struct.  Save in_struct and struct_types status between
1091         start_struct and finish_struct.
1092         (c_parser_cast_expression): Get location of cast.
1093         (c_parser_alignof_expression): Get location of type.
1094         (c_parser_postfix_expression): Likewise.
1095         (c_parser_postfix_expression_after_paren_type): Add type_loc
1096         parameter.  Change all callers.  Call check_compound_literal_type.
1097         Use type_loc for error about variable size type.
1098         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1099         of an enum constant from an enum type defined in a struct or union.
1100         (c_cast_expr): Add loc parameter.  Change all callers.  If
1101         -Wc++-compat, warn about defining a type in a cast.
1102         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1103         (start_enum, start_struct, finish_struct): Update declarations.
1104         (parser_xref_tag, c_cast_expr): Update declarations.
1105         (check_compound_literal_type): Declare.
1106
1107 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1108
1109         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1110         for recent libcpp interface change.
1111         (rs6000_macro_to_expand): Likewise.
1112
1113 2009-05-10  Michael Matz  <matz@suse.de>
1114
1115         PR target/40031
1116         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1117         not at entry of function.
1118
1119 2009-05-10  Richard Guenther  <rguenther@suse.de>
1120
1121         PR tree-optimization/40081
1122         Revert
1123         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1124         using the main variant of the element type.  Do not fiddle with
1125         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1126
1127         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1128         structs with volatile fields.
1129
1130 2009-05-10  Jan Hubicka  <jh@suse.cz>
1131
1132         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1133         (estimate_move_cost): Assert that it does not get called for
1134         VOID_TYPE_P.
1135         (estimate_num_insns): Skip VOID types in argument handling.
1136         (optimize_inline_calls): Delete unreachable blocks and verify that
1137         callgraph is valid.
1138
1139 2009-05-10  Jan Hubicka  <jh@suse.cz>
1140
1141         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1142         * cgraph.c (cgraph_mark_address_taken_node): New function.
1143         (dump_cgraph_node): Dump new flag.
1144         * cgraph.h (struct cgraph_node): Add address_taken.
1145         (cgraph_mark_address_taken_node): New function.
1146         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1147         since new direct calls can be born.
1148
1149 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1150
1151         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1152         tok->val.node.node.
1153
1154 2009-05-10  Jan Hubicka  <jh@suse.cz>
1155
1156         PR middle-end/40084
1157         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1158         argument; rewrite.
1159         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1160         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1161         * tree-inline.c (copy_bb): Set frequency correctly.
1162         (fold_marked_statements): Update call to
1163         cgraph_update_edges_for_call_stmt.
1164
1165 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1166
1167         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1168         identifiers in diagnostics.
1169         * config/arm/arm.c (arm_handle_fndecl_attribute,
1170         arm_handle_isr_attribute): Likewise.
1171         * config/avr/avr.c (avr_handle_progmem_attribute,
1172         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1173         Likewise.
1174         * config/bfin/bfin.c (handle_int_attribute,
1175         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1176         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1177         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1178         Likewise.
1179         * config/darwin.c (darwin_handle_kext_attribute,
1180         darwin_handle_weak_import_attribute): Likewise.
1181         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1182         h8300_handle_eightbit_data_attribute,
1183         h8300_handle_tiny_data_attribute): Likewise.
1184         * config/i386/i386.c (ix86_handle_cconv_attribute,
1185         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1186         Likewise.
1187         * config/i386/winnt.c (ix86_handle_shared_attribute,
1188         ix86_handle_selectany_attribute): Likewise.
1189         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1190         * config/m32c/m32c.c (function_vector_handler): Likewise.
1191         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1192         m68hc11_handle_fntype_attribute): Likewise.
1193         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1194         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1195         * config/mips/mips.c (mips_insert_attributes,
1196         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1197         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1198         rs6000_handle_struct_attribute): Likewise.
1199         * config/sh/sh.c (sh_insert_attributes,
1200         sh_handle_resbank_handler_attribute,
1201         sh_handle_interrupt_handler_attribute,
1202         sh2a_handle_function_vector_handler_attribute,
1203         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1204         Likewise.
1205         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1206         * config/spu/spu.c (spu_handle_fndecl_attribute,
1207         spu_handle_vector_attribute): Likewise.
1208         * config/stormy16/stormy16.c
1209         (xstormy16_handle_interrupt_attribute): Likewise.
1210         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1211         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1212
1213 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1214
1215         * pretty-print.h (struct pretty_print_info): Add
1216         translate_identifiers.
1217         (pp_translate_identifiers): New.
1218         (pp_identifier): Only conditionally translate identifier to locale
1219         character set.
1220         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1221         (pp_base_tree_identifier): Only conditionally translate identifier
1222         to locale character set.
1223         * c-pretty-print.c (M_): Define.
1224         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1225         fragments for conditional translation with M_.
1226         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1227         identifier translation.
1228
1229 2009-05-10  Richard Guenther  <rguenther@suse.de>
1230
1231         PR tree-optimization/40081
1232         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1233         using the main variant of the element type.  Do not fiddle with
1234         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1235
1236 2009-05-09  Jan Hubicka  <jh@suse.cz>
1237
1238         PR middle-end/40080
1239         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1240         indirect calls; verify cgraph afterwards.
1241
1242 2009-05-09  Jan Hubicka  <jh@suse.cz>
1243
1244         PR bootstrap/40082
1245         * ipa.c (update_inlined_to_pointer): New function.
1246         (cgraph_remove_unreachable_nodes): Use it.
1247
1248 2009-05-09  Jan Hubicka  <jh@suse.cz>
1249
1250         * tree-eh.c (struct leh_state): Remove prev_try.
1251         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1252         not track prev_try.
1253         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1254         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1255         remove_eh_handler_and_replace, foreach_reachable_handler,
1256         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1257         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1258         (gen_eh_region_cleanup): Update prototype.
1259
1260 2009-05-09  Jan Hubicka  <jh@suse.cz>
1261
1262         PR middle-end/40043
1263         * except.c (copy_eh_region): Always set prev_try.
1264         (redirect_eh_edge_to_label): Find outer try.
1265         (foreach_reachable_handler): When looking for prev try
1266         handle case where previous try is not going to be taken.
1267
1268 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1269
1270         PR tree-optimization/40049
1271         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1272         only vector/vector shifts, convert the type of the constant to the
1273         appropriate type to avoid building incorrect trees, which
1274         eventually have problems with garbage collection.
1275
1276 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1277
1278         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1279         -1 for complex floating-point types if honoring signed zeros.
1280
1281 2009-05-08  Jan Hubicka  <jh@suse.cz>
1282
1283         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1284         argument; handle correctly when profile is absent.
1285         (build_cgraph_edges): Update.
1286         (rebuild_cgraph_edges): Update.
1287         * cgraph.c: Do not include varray.h.
1288         (cgraph_set_call_stmt_including_clones): New function.
1289         (cgraph_create_edge_including_clones): Likewise
1290         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1291         (cgraph_update_edges_for_call_stmt): Handle clones.
1292         (cgraph_remove_node): Handle clone tree.
1293         (cgraph_remove_node_and_inline_clones): New function.
1294         (dump_cgraph_node): Dump clone tree.
1295         (cgraph_clone_node): Handle clone tree.
1296         (clone_function_name): Bring here from tree-inline.c.
1297         (cgraph_create_virtual_clone): New function.
1298         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1299         (cgraph_clone_info): New function.
1300         (strut cgraph_node): Add clone_info and new clone tree pointers.
1301         (cgraph_remove_node_and_inline_clones,
1302         cgraph_set_call_stmt_including_clones,
1303         cgraph_create_edge_including_clones,
1304         cgraph_create_virtual_clone): Declare.
1305         (cgraph_function_versioning): Use VEC argument.
1306         (compute_call_stmt_bb_frequency): Update prototype.
1307         (cgraph_materialize_all_clones): New function.
1308         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1309         (ipcp_create_replace_map): Update to VECtors.
1310         (ipcp_update_callgraph): Use virtual clones.
1311         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1312         (ipcp_update_profiling): Do not update local profiling.
1313         (ipcp_insert_stage): Use VECtors and virtual clones.
1314         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1315         (clone_of_p): New function.
1316         (cgraph_preserve_function_body_p): Use clone tree.
1317         (cgraph_optimize): Materialize clones.
1318         (cgraph_function_versioning): Update for VECtors.
1319         (save_inline_function_body): Use clone tree.
1320         (cgraph_materialize_clone): New function.
1321         (cgraph_materialize_all_clones): Likewise.
1322         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1323         * ipa.c: Include gimple.h.
1324         (cgraph_remove_unreachable_nodes): Use clone tree.
1325         * ipa-prop.c (ipa_note_param_call): Update call to
1326         compute_call_stmt_bb_frequencycall.
1327         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1328         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1329         (copy_bb): Handle updating of clone tree; add new edge when new call
1330         appears.
1331         (expand_call_inline): Be strict about every call having edge.
1332         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1333         (delete_unreachable_blocks_update_callgraph): New function.
1334         (tree_function_versioning): Use VECtors; always remove unreachable
1335         blocks and fold conditionals.
1336         * tree-inline.h: Do not include varray.h.
1337         (tree_function_versioning): Remove.
1338         * Makefile.in (GTFILES): Remove tree-inline.c
1339         * passes.c (do_per_function): Do only functions having body.
1340         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1341         tree.
1342
1343 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1344             Andrew Morrow  <acm@google.com>
1345
1346         PR c/36892
1347         * c-common.c (c_common_attribute_table): Permit deprecated
1348         attribute to take an optional argument.
1349         (handle_deprecated_attribute): If the optional argument to
1350         __attribute__((deprecated)) is not a string ignore the attribute
1351         and emit a warning.
1352
1353         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1354         * c-typeck.c (build_component_ref): Likewise.
1355         (build_external_ref): Likewise.
1356
1357         * toplev.c (warn_deprecated_use): Add an attribute argument.
1358         Emit the message associated with __attribute__((deprecated)).
1359
1360         * toplev.h (warn_deprecated_use): Updated.
1361
1362         * doc/extend.texi: Document new optional parameter to
1363         __attribute__((deprecated))
1364
1365 2009-05-08  Michael Eager <eager@eagercon.com>
1366
1367         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1368         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1369
1370 2009-05-08  Richard Guenther  <rguenther@suse.de>
1371
1372         PR tree-optimization/40062
1373         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1374         Avoid exponential behavior.
1375
1376 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1377
1378         PR rtl-optimization/33928
1379         PR 26854
1380         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1381         process_uses, build_single_def_use_links): New.
1382         (update_df): Update use_def_ref.
1383         (forward_propagate_into): Use get_def_for_use instead of use-def
1384         chains.
1385         (fwprop_init): Call build_single_def_use_links and let it initialize
1386         dataflow.
1387         (fwprop_done): Free use_def_ref.
1388         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1389         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1390         df_rd_simulate_one_insn): New.
1391         (df_rd_bb_local_compute_process_def): Update head comment.
1392         (df_chain_create_bb): Use the new RD simulation functions.
1393         * df.h (df_rd_simulate_artificial_defs_at_top, 
1394         df_rd_simulate_one_insn): New.
1395         * opts.c (decode_options): Enable fwprop at -O1.
1396         * doc/invoke.texi (-fforward-propagate): Document this.
1397
1398 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1399
1400         PR c/24581
1401         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1402         and one complex operand specially.
1403         * tree-complex.c (some_nonzerop): Do not identify a real value as
1404         zero if flag_signed_zeros.
1405
1406 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1407
1408         PR rtl-optimization/33928
1409         * loop-invariant.c (record_use): Fix && vs. || mishap.
1410
1411 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1412
1413         PR rtl-optimization/33928
1414         * loop-invariant.c (struct use): Add addr_use_p.
1415         (struct def): Add n_addr_uses.
1416         (struct invariant): Add cheap_address.
1417         (create_new_invariant): Set cheap_address.
1418         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1419         (record_uses): Pass df_ref to record_use.
1420         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1421         used only as such.
1422
1423 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1424
1425         * config/sh/sh.c: Do not include c-pragma.h.
1426
1427 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1428
1429         * config/spu/spu.c: Remove include of c-common.h.
1430
1431 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1432
1433         PR c/39037
1434         * c-common.h (mark_valid_location_for_stdc_pragma,
1435         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1436         clear_float_const_decimal64, float_const_decimal64_p): New.
1437         * c.opt (Wunsuffixed-float-constants): New.
1438         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1439         unsuffixed float constant, handle new warning.
1440         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1441         * c-decl.c (c_scope): New flag float_const_decimal64.
1442         (set_float_const_decimal64, clear_float_const_decimal64,
1443         float_const_decimal64_p): New.
1444         (push_scope): Set new flag.
1445         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1446         to use STDC pragmas.
1447         (c_parser_external_declaration): Ditto.
1448         (c_parser_compound_statement_nostart): Ditto.
1449         * c-pragma.c (valid_location_for_stdc_pragma,
1450         mark_valid_location_for_stdc_pragma,
1451         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1452         handle_pragma_float_const_decimal64): New.
1453         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1454         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1455         set_float_const_decimal64, clear_float_const_decimal64,
1456         float_const_decimal64_p): New dummy functions.
1457         * doc/extend.texi (Decimal Float): Remove statement that the
1458         pragma, and suffix for double constants, are not supported.
1459         * doc/invoke.texi (Warning Options): List new option.
1460         (-Wunsuffixed-float-constants): New.
1461
1462 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1463
1464         * config/i386/i386.c: Do not include c-common.h.
1465
1466 2009-05-07  Mark Heffernan  <meheff@google.com>
1467
1468         * doc/invoke.texi (Debugging Options): Document change of debugging
1469         dump location.
1470         * opts.c (decode_options): Make dump_base_name relative to
1471         aux_base_name directory.
1472
1473 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1474
1475         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1476         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1477
1478 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1479
1480         * Makefile.in (install-plugin): Simplify a bit.
1481
1482 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1483
1484         * Makefile.in (OBJS-common): Add regcprop.o.
1485         (regcprop.o): New.
1486         * timevar.def (TV_CPROP_REGISTERS): New.
1487         * regrename.c (regrename_optimize): Return 0.
1488         (rest_of_handle_regrename): Delete.
1489         (pass_rename_registers): Point to regrename_optimize.
1490         (struct value_data_entry, struct value_data, 
1491         kill_value_one_regno, kill_value_regno, kill_value,
1492         set_value_regno, init_value_data, kill_clobbered_value,
1493         kill_set_value, kill_autoinc_value, copy_value,
1494         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1495         replace_oldest_value_reg, replace_oldest_value_addr,
1496         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1497         debug_value_data, validate_value_data): Move...
1498         * regcprop.c: ... here.
1499         (rest_of_handle_cprop): Delete.
1500         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1501
1502 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR middle-end/40057
1505         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1506         GEN_INT for 1 << bitnum.
1507         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1508         build_int_cst_type.
1509
1510 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1513         Remove wrong description of "nand" operation.
1514
1515 2009-05-06  Richard Guenther  <rguenther@suse.de>
1516             Adam Nemet  <anemet@caviumnetworks.com>
1517
1518         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1519         comment.  Add that if LHS is not a gimple register, then RHS1 has
1520         to be a single object (GIMPLE_SINGLE_RHS).
1521
1522 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1523
1524         * expr.c (get_def_for_expr): Move it up in the file.
1525         (store_field): When expanding a bit-field store, look at the
1526         defining gimple stmt for the masking conversion.
1527
1528 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1529
1530         PR middle-end/39986
1531         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1532         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1533         32-bit memcpy into long.
1534
1535 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1536
1537         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1538         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1539         new_reg_loc_descr.
1540         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1541         instead of appending DW_OP_deref*.
1542
1543 2009-05-06  Michael Matz  <matz@suse.de>
1544
1545         PR middle-end/40021
1546         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1547         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1548
1549 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1550
1551         * Makefile.in (install-plugin): Fix srcdir handling.
1552
1553 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1554
1555         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1556         when processing for not_regs_needed bitmap.
1557         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1558         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1559         handling it for rhs. 
1560
1561 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1562
1563         * config/i386/i386.md (unnamed inc/dec peephole): Use
1564         optimize_insn_for_size_p instead of optimize_size.
1565         * config/i386/predicates.md (incdec_operand): Likewise.
1566         (aligned_operand): Likewise.
1567         * config/i386/sse.md (divv8sf3): Likewise.
1568         (sqrtv8sf2): Likewise.
1569
1570 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1571
1572         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1573
1574         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1575
1576 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1577
1578         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1579         ssemodesuffixf2c with avxmodesuffixf2c.
1580
1581 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1582
1583         PR c/40032
1584         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1585
1586 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1587
1588         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1589         (struct tree_base): Adjust spacing for 8 bit boundaries.
1590         (struct tree_decl_common): Add decl_by_reference_flag bit.
1591         (DECL_BY_REFERENCE): Adjust.
1592         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1593         print DECL_BY_REFERENCE bit.
1594         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1595         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1596         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1597         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1598         unconditionally.
1599
1600         PR middle-end/39666
1601         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1602         range of the type, but default label is missing, add it with one
1603         of the existing labels instead of adding a new label for it.
1604
1605 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1606
1607         * dwarf.h: Remove.
1608
1609 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1610
1611         * Makefile.in (enable_plugin, plugin_includedir): New.
1612         (install): Depend on install-plugin.
1613         (PLUGIN_HEADERS): New.
1614         (install-plugin): New.
1615         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1616
1617 2009-05-05  Richard Guenther  <rguenther@suse.de>
1618
1619         PR tree-optimization/40022
1620         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1621         the only vuse.
1622         (phivn_valid_p): Fix tuplification error, simplify.
1623         (phiprop_insert_phi): Add dumps.
1624         (propagate_with_phi): Simplify.
1625
1626 2009-05-05  Richard Guenther  <rguenther@suse.de>
1627
1628         PR middle-end/40023
1629         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1630
1631 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1632
1633         * tree.h (strip_float_extensions): Remove duplicate declaration.
1634         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1635         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1636         block_ultimate_origin): Rearrange the declarations line to match the
1637         comment that indicates the .c file which the functions are defined.
1638         (dwarf2out_*, set_decl_rtl): Add comment.
1639         (get_base_address): Adjust comment.
1640         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1641         declarations line and add comment.
1642         (is_builtin_name): Add blank after function name, for clarity.
1643
1644 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1645
1646         * attribs.c (decl_attributes): Use %qE for identifiers in
1647         diagnostics.
1648         * cgraphunit.c (verify_cgraph_node): Translate function names to
1649         locale character set in diagnostics.
1650         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1651         diagnostics.
1652         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1653         Document that functions are named in UTF-8.
1654         * expr.c (expand_expr_real_1): Translate function names to locale
1655         character set in diagnostics.
1656         * gimplify.c (omp_notice_variable, omp_is_private,
1657         gimplify_scan_omp_clauses): Use %qE for identifiers in
1658         diagnostics.
1659         * langhooks.c (lhd_print_error_function): Translate function names
1660         to locale character set.
1661         * langhooks.h (decl_printable_name): Document that return value is
1662         in internal character set.
1663         * stmt.c: Include pretty-print.h
1664         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1665         diagnostics.
1666         (resolve_operand_name_1): Translate named operand name to locale
1667         character set.
1668         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1669         diagnostics.
1670         * toplev.c (announce_function): Translate function names to locale
1671         character set.
1672         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1673         (default_tree_printer): Use pp_identifier or translate identifiers
1674         to locale character set.  Mark "<anonymous>" for translation.
1675         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1676         for identifiers in diagnostics.
1677         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1678         diagnostics.
1679         * varasm.c (output_constructor): Use %qE for identifiers in
1680         diagnostics.
1681
1682 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1683
1684         * configure.ac: use ` ` instead of $()
1685         * configure: Regenerate.
1686
1687 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1688
1689         * config/pa/linux-atomic.c: Eliminate conditional include of
1690         errno.h on non-LP64 systems to simplify build requirements.
1691
1692 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1693
1694         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1695         diagnostics.
1696         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1697         and pass value to identifier_to_locale.
1698         (warn_variable_length_array): Make name a tree.
1699         (grokdeclarator): Separate diagnostic texts for named and unnamed
1700         declarators.  Use %qE for named declarators.
1701         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1702         diagnostics.
1703         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1704         identifiers in diagnostics.
1705         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1706         identifier_to_locale.  Mark "anonymous" strings for translation.
1707
1708 2009-05-04  Michael Eager <eager@eagercon.com>
1709
1710         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1711         address for DImode/DFmode only if double-precision FP regs.
1712
1713 2009-05-04  Michael Eager <eager@eagercon.com>
1714
1715         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1716         TARGET_SINGLE_FLOAT check.
1717
1718 2009-05-04  Michael Eager <eager@eagercon.com>
1719
1720         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1721
1722 2009-05-04  Michael Eager <eager@eagercon.com>
1723
1724         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1725         * config/rs6000/t-xilinx: New
1726
1727 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1728
1729         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1730         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1731         * gcc/explow.c (memory_address): Use target hook.
1732         * gcc/targhooks.c (default_legitimize_address): New.
1733         * gcc/targhooks.h (default_legitimize_address): New.
1734         * gcc/target.h (legitimize_address): New.
1735         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1736         (TARGET_INITIALIZER): Include it.
1737         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1738
1739         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1740         * config/bfin/bfin.c (legitimize_address): Remove.
1741         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1742         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1743         Remove.
1744         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1745         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1746
1747         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1748         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1749         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1750         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1751         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1752         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1753         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1754         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1755         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1756         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1757         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1758         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1759         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1760         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1761         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1762         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1763         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1764         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1765         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1766         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1767         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1768         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1769         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1770
1771         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1772         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1773         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1774         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1775         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1776         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1777         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1778         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1779         (thumb_legitimize_address): Delete.
1780         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1781         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1782         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1783         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1784         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1785         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1786         Delete.
1787         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1788         Delete.
1789
1790         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1791         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1792         * config/m32r/m32r.c (m32r_legitimize_address): New.
1793         * config/m68k/m68k.c (m68k_legitimize_address): New.
1794         * config/score/score.c (score_legitimize_address): Standardize.
1795         * config/score/score3.c (score3_legitimize_address): Standardize.
1796         * config/score/score3.h (score3_legitimize_address): Adjust.
1797         * config/score/score7.c (score7_legitimize_address): Standardize.
1798         * config/score/score7.h (score7_legitimize_address): Adjust.
1799         * config/sh/sh.c (sh_legitimize_address): New.
1800         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1801
1802         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1803         (s390_legitimize_address): ... this.
1804         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1805         (sparc_legitimize_address): ... this.
1806         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1807         (ix86_legitimize_address): ... this.
1808         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1809         (avr_legitimize_address): ... this.
1810         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1811         (mn10300_legitimize_address): ... this.
1812         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1813         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1814         (alpha_expand_mov): Adjust call.
1815
1816         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1817         * config/spu/spu.c (spu_legitimize_address): Likewise.
1818         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1819         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1820
1821 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1822
1823         * intl.c (locale_encoding, locale_utf8): New.
1824         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1825         * intl.h (locale_encoding, locale_utf8): Declare.
1826         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1827         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1828         New.
1829         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1830         argument.
1831         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1832         (pp_base_tree_identifier): Declare as function.
1833         (identifier_to_locale): Declare.
1834         * Makefile.in (pretty-print.o): Update dependencies.
1835         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1836
1837 2009-05-04  Richard Guenther  <rguenther@suse.de>
1838
1839         PR middle-end/40015
1840         * builtins.c (fold_builtin_memory_op): Do not decay to element
1841         type if the size matches the whole array.
1842
1843 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1844
1845         * expmed.c (synth_mult): When trying out a shift, pass the result
1846         of a signed shift.
1847
1848 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1849
1850         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1851         (shiftsub1_cost): New.
1852         (init_expmed): Compute shiftsub1_cost.
1853         (synth_mult): Optimize multiplications by constants of the form
1854         -(2^^m-1) for some constant positive integer m.
1855
1856 2009-05-03  Richard Guenther  <rguenther@suse.de>
1857
1858         PR c/39983
1859         * c-typeck.c (array_to_pointer_conversion): Do not built
1860         ADDR_EXPRs of arrays of pointer-to-element type.
1861         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1862         up wrong ADDR_EXPRs after-the-fact.
1863         * c-common.c (strict_aliasing_warning): Strip pointer
1864         conversions for obtaining the original type.
1865         * builtins.c (fold_builtin_memset): Handle array types.
1866         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1867         and array types
1868
1869 2009-05-03  Richard Guenther  <rguenther@suse.de>
1870
1871         PR middle-end/23329
1872         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1873         Do not lose casts from array types with unknown extent to array
1874         types with known extent.
1875         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1876         alias set compatibility.
1877
1878 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1879
1880         * flags.h (extra_warnings): Delete.
1881         * toplev.c (process_options): Handle Wuninitialized here.
1882         * opts.c (extra_warnings): Delete.
1883         (set_Wextra): Delete.
1884         (common_handle_option): -Wextra can be handled automatically.
1885         * c-opts.c (c_common_handle_option): Delete obsolete code.
1886         (c_common_post_options): Simplify comment.
1887         * common.opt (W): Add Var.
1888         (Wextra): Add Var.
1889         (Wuninitialized): Initialize to -1.
1890
1891 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1892             Richard Guenther  <rguenther@suse.de>
1893
1894         * expr.c (get_def_for_expr): New function.
1895         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1896         SSA rather than trees.
1897         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1898         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1899         
1900 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1901
1902         * c-common.c (reswords): Add _Imaginary.
1903         * c-common.c (enum rid): Add RID_IMAGINARY.
1904
1905 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1906
1907         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1908         Patch by Richard Guenther.
1909
1910 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1911
1912         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1913         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1914         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1915         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1916         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1917         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1918         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1919         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1920         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1921         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1922         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1923         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1924         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1925         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1926         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1927         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1928         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1929         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1930
1931 2009-05-02  Richard Guenther  <rguenther@suse.de>
1932
1933         PR tree-optimization/39940
1934         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1935         doing so.
1936
1937 2009-05-02  Richard Guenther  <rguenther@suse.de>
1938
1939         PR middle-end/40001
1940         * tree-ssa.c (execute_update_addresses_taken): Properly check
1941         if we can mark a variable DECL_GIMPLE_REG_P.
1942         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1943         back to the end of the function.
1944         (is_gimple_reg_type): Remove complex type special casing.
1945         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1946         if not optimizing.
1947
1948 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1949
1950         * doc/collect2.texi (Collect2): Document search path behaviour
1951         when configured with --with-ld.
1952
1953 2009-05-02  Jan Hubicka  <jh@suse.cz>
1954
1955         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1956         parameter; update callers.
1957         (coalesce_cost_edge): EH edges are costier because they needs
1958         splitting even if not critical and even more costier when there are
1959         multiple EH predecestors.
1960
1961 2009-05-02  Jan Hubicka  <jh@suse.cz>
1962
1963         * except.c (remove_eh_handler_and_replace): Handle updating after
1964         removing TRY blocks.
1965
1966 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1967
1968         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1969
1970 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1971
1972         * varasm.c: Do not include c-pragma.h.
1973         * attribs.c: Do not incude c-common.h.
1974
1975 2009-05-01  Michael Matz  <matz@suse.de>
1976
1977         * calls.c (initialize_argument_information): Handle SSA names like
1978         decls with a non MEM_P DECL_RTL.
1979
1980 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1981
1982         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1983         * ipa-utils.c: Likewise.
1984         * ipa-type-escape.c: Likewise.
1985         * cgraphunit.c Do not include c-common.h.
1986         * ipa-pure-const.c: Likewise.
1987         * tree-if-conv.c: Likewise.
1988         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1989         * ipa-struct-reorg.c: Likewise.
1990         * tree-nomudflap.c: Likewise.
1991         * tree-ssa-structalias.c: Likewise.
1992
1993 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1994
1995         * store-motion.c: Many cleanups to make this pass a first-class
1996         citizen instead of an appendix to gcse load motion.  Add TODO list
1997         to make this pass faster/cleaner/better.
1998
1999         (struct ls_expr): Post gcse.c-split cleanups.
2000         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2001         "stores" field to "avail_stores".
2002         (pre_ldst_mems): Rename to store_motion_mems.
2003         (pre_ldst_table): Rename to store_motion_mems_table.
2004         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2005         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2006         (ldst_entry): Rename to st_expr_entry, update users.
2007         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2008         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2009         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2010         update caller.
2011         (first_ls_expr): Rename to first_st_expr, update users.
2012         (next_ls_expr): Rename to next_st_expr, update users.
2013         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2014         fields properly for store motion instead of names inherited from load
2015         motion in gcse.c.
2016         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2017         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2018         are done with it.
2019
2020         (ae_kill): Rename to st_kill, update users.
2021         (ae_gen): Rename to st_avloc, update users.
2022         (transp): Rename to st_transp, update users.
2023         (pre_insert_map): Rename to st_insert_map, update users.
2024         (pre_delete_map): Rename to st_delete_map, update users.
2025         (insert_store, build_store_vectors, free_store_memory,
2026         one_store_motion_pass): Update for abovementioned changes.
2027
2028         (gcse_subst_count, gcse_create_count): Remove.
2029         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2030         and "n_stores_created", local variables.
2031
2032         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2033         use for_each_rtx.
2034
2035         (regvec, compute_store_table_current_insn): Remove.
2036         (reg_set_info, reg_clear_last_set): Remove.
2037         (compute_store_table): Use DF caches instead of local dataflow
2038         solvers.
2039
2040 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2041
2042         * c-objc-common.c (c_tree_printer): Print identifiers with
2043         pp_identifier, not pp_string.  Mark "({anonymous})" for
2044         translation.
2045         * c-pretty-print.c (pp_c_ws_string): New.
2046         (pp_c_cv_qualifier, pp_c_type_specifier,
2047         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2048         pp_c_storage_class_specifier, pp_c_function_specifier,
2049         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2050         pp_c_primary_expression, pp_c_postfix_expression,
2051         pp_c_unary_expression, pp_c_shift_expression,
2052         pp_c_relational_expression, pp_c_equality_expression,
2053         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2054         use pp_string and pp_c_ws_string in place of pp_identifier and
2055         pp_c_identifier for non-identifiers.  Mark English strings for
2056         translation.
2057         * c-pretty-print.h (pp_c_ws_string): Declare.
2058
2059 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2060             Roland McGrath <roland@redhat.com>
2061
2062         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2063         (ENABLE_LD_BUILDID): New configuration option.
2064         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2065         (LINK_BUILDID_SPEC): New macro.
2066         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2067         link_spec.
2068         * doc/install.texi: Document --enable-linker-build-id option.
2069         * configure: Rebuild.
2070         * config.in: Rebuild.
2071
2072 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2073
2074         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2075         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2076         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2077         MIPS_GP_SAVE_AREA_SIZE.
2078         * config/mips/mips.c (struct mips_frame_info): Update comment
2079         before arg_pointer_offset and hard_frame_pointer_offset.
2080         (mips_compute_frame_info): Update diagram before function: to
2081         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2082         indicate the position of frame_pointer_rtx with -fstack-protector and
2083         to show args_size.  Don't allocate cprestore area for leaf functions
2084         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2085         cprestore_size.
2086         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2087
2088 2009-04-30  Michael Matz  <matz@suse.de>
2089
2090         PR tree-optimization/39955
2091         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2092
2093 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2094
2095         * ira.c (setup_cover_and_important_classes):  Use safe macro
2096         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2097         directly.
2098         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2099         REG_CLASS_FOR_CONSTRAINT.
2100
2101 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2102
2103         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2104         instead of an int.
2105         * bitmap.c (bitmap_descriptor): Likewise.
2106         * ggc-common.c (loc_descriptor): Likewise.
2107         * varray.c (varray_descriptor): Likewise.
2108         * vec.c (vec_descriptor): Likewise.
2109
2110 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2111
2112         * Makefile.in (dce.o): Add $(EXCEPT_H).
2113         * dce.c: Include except.h and delete redundant vector definitions.
2114         (deletable_insn_p): Return false for non-call insns that can throw
2115         if DF is running.
2116
2117 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2118
2119         * gcse.c (ae_gen): Remove.
2120         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2121         and make non-static function to make it available in store-motion.c.
2122         Update call sites with search-and-replace.
2123         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2124         extract_mentioned_regs, extract_mentioned_regs_helper,
2125         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2126         store_killed_in_insn, store_killed_after, store_killed_before,
2127         build_store_vectors, insert_insn_start_basic_block, insert-store,
2128         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2129         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2130         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2131         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2132         and clean up to remove parts not used by store motion.
2133         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2134         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2135
2136 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2137
2138         PR target/38571
2139         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2140         when optimizing for size.
2141
2142 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2143
2144         * gcse.c (gcse_constant_p): Fix typo in last change.
2145
2146 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2147
2148         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2149
2150 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2151
2152         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2153
2154 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2155
2156         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2157         CONST_HIGH_PART result.
2158
2159 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2160
2161         * config/avr/avr.c (initial_elimination_offset): Rename to
2162         avr_initial_elimination_offset.
2163         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2164         change return type to bool.
2165         (avr_can_eliminate): New function.
2166         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2167         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2168         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2169         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2170         avr_initial_elimination_offset.
2171         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2172         (avr_initial_elimination_offset): Define.
2173
2174 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2175             Steven Bosscher  <steven@gcc.gnu.org>
2176
2177         PR rtl-optimization/39938
2178         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2179         * cfgrtl.c: Include insn-attr.h.
2180         (rest_of_pass_free_cfg): New function.
2181         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2182         * resource.c (init_resource_info): Remove call to df_analyze.
2183
2184 2009-04-29  Richard Guenther  <rguenther@suse.de>
2185
2186         PR target/39943
2187         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2188         allow conversion to signed integers.
2189
2190 2009-04-29  Richard Guenther  <rguenther@suse.de>
2191
2192         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2193         shifts of floating point vectors if the shift amount is
2194         a constant multiple of the element size.
2195
2196 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2197             Michael Matz  <matz@suse.de>
2198
2199         PR middle-end/39927
2200         PR bootstrap/39929
2201         * tree-outof-ssa.c (emit_partition_copy): New function.
2202         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2203         insert_part_to_rtx_on_edge): Perform the partition base var
2204         copy using emit_partition_copy.
2205         (insert_value_copy_on_edge): Convert constants to the right mode.
2206         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2207         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2208
2209 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2210
2211         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2212         scan backwards to try to find a constant to initialize it.
2213
2214         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2215         insn before the loop_end instruction, don't look past labels.
2216
2217 2009-04-29  Richard Guenther  <rguenther@suse.de>
2218
2219         PR middle-end/39937
2220         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2221         loose type conversions.
2222         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2223         stmts only if there are no uses of its definition.
2224
2225 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2226
2227         * config/bfin/bfin.h (splitting_loops): Declare.
2228         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2229         Reorder bit definitions to be ascending.
2230         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2231         * config/bfin/bfin.c (splitting_loops): New variable.
2232         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2233         (struct loop_info): Remove members INIT and LOOP_INIT.
2234         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2235         the LSETUP sequence.  Allow LC to be loaded from any register, but
2236         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2237         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2238         set to 1.
2239         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2240         of reload_completed.
2241
2242         From Jie Zhang:
2243         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2244
2245 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2246
2247         * Makefile.in (PLUGIN_VERSION_H): New.
2248         (OBJS-common): Remove plugin-version.o.
2249         (plugin.o): Depend on (PLUGIN_VERSION_H).
2250         (plugin-version.o): Remove.
2251         * configure: Regenerate
2252         * configure.ac: Create plugin-version.h.
2253         * gcc-plugin.h (plugin_gcc_version): Remove.
2254         (plugin_default_version_check): Change signature.
2255         * plugin-version.c: Remove.
2256         * plugin.c: Include plugin-version.h.
2257         (str_plugin_gcc_version_name): Remove.
2258         (try_init_one_plugin): Pass gcc version to plugin_init.
2259         (plugin_default_version_check): Both gcc and plugin versions are now
2260         arguments.
2261
2262 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2263         
2264         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2265         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2266         Remove special case testing for last insn of inner loops. Don't fail
2267         if the loop ends with a jump, emit an extra nop instead.
2268
2269         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2270         DREGS rather than comparing directly.  Remove code that tries to
2271         account for latencies.
2272
2273 2009-04-29  Richard Guenther  <rguenther@suse.de>
2274
2275         PR tree-optimization/39941
2276         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2277         eliminating an indirect call.
2278
2279 2009-04-29  Richard Guenther  <rguenther@suse.de>
2280
2281         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2282         parameter.  Allow invariants as base if !require_lvalue.
2283         (verify_gimple_assign_single): Adjust.
2284
2285 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2286
2287         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2288         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2289         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2290         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2291         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2292         a VEC_SELECT.
2293         * config/bfin/bfin.c (bfin_expand_builtin,
2294         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2295
2296 2009-04-28  Richard Guenther  <rguenther@suse.de>
2297
2298         * tree-vect-loop.c (get_initial_def_for_induction): Use
2299         correct types for pointer increment.
2300
2301 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2302
2303         * toplev.c (print_version): Update GMP version string calculation.
2304
2305 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2306
2307         PR rtl-optimization/39938
2308         * resource.c (init_resource_info): Add call to df_analyze.
2309
2310 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2311
2312         * config/alpha/alpha.md (usegp): Cast the result of
2313         alpha_find_lo_sum_using_gp to enum attr_usegp.
2314         * config/alpha/alpha.c (override_options): Remove end-of-structure
2315         marker element from cpu_table.  Use array size of cpu_table to handle
2316         -mcpu and -mtune options.
2317         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2318
2319 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2320
2321         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2322         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2323         tune_32 and tune_64.
2324         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2325         support on PowerPC.
2326         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2327         * config/rs6000/option-defaults.h: ... here.  New file.
2328         (OPT_64, OPT_32): Define.
2329         (MASK_64BIT): Define to 0 if not already defined.
2330         (OPT_ARCH64, OPT_ARCH32): Define.
2331         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2332         and tune_64.
2333
2334 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2335
2336         * config/arm/arm.c (arm_override_options): Emit error on using
2337         fpa with AAPCS.
2338
2339 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2340
2341         PR rtl-optimization/39914
2342         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2343         registers for allocnos created from user-defined variables only
2344         when not optimizing.
2345
2346 2009-04-28  Richard Guenther  <rguenther@suse.de>
2347
2348         PR middle-end/39937
2349         * fold-const.c (fold_binary): Use distribute_real_division only
2350         on float types.
2351
2352 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2353
2354         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2355         add hpux-stdint.h to tm_file.
2356         (hppa[12]*-*-hpux11*): Ditto.
2357         (ia64*-*-hpux*): Ditto.
2358         * config/hpux-stdint.h: New.
2359         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2360         __STDC_EXT__ for all compiles.
2361         * config/pa/pa-hpux.h: Ditto.
2362         * config/pa/pa-hpux10.h: Ditto.
2363         * config/pa/pa-hpux11.h: Ditto.
2364
2365 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2366
2367         * debug.h (set_name): Add comment.
2368
2369 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2370
2371         PR target/39929
2372         * config/darwin.c (machopic_gen_offset): Check
2373         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2374         * config/arm/arm.c (require_pic_register): Likewise.
2375
2376 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2377
2378         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2379         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2380         m32c_promote_prototypes): Delete.
2381
2382 2009-04-28  Michael Matz  <matz@suse.de>
2383
2384         PR middle-end/39922
2385         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2386         constants.
2387
2388 2009-04-28  Richard Guenther  <rguenther@suse.de>
2389
2390         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2391
2392 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2393
2394         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2395         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2396         * config/arm/arm-tune.md: Regenerate.
2397
2398 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2399
2400         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2401         block if there are complex incoming edges.
2402         (sel_merge_blocks): Remove useless assert.
2403         (sel_redirect_edge_and_branch): Check that edge was redirected.
2404         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2405         (sel_find_rgns): Delete declaration.
2406         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2407         the region when it is not a preheader.
2408
2409 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2410
2411         PR c/39323
2412         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2413
2414 2009-04-28  Richard Guenther  <rguenther@suse.de>
2415
2416         * tree.h (SSA_NAME_VALUE): Remove.
2417         (struct tree_ssa_name): Remove value_handle member.
2418         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2419         array for jump threading.
2420         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2421         SSA_NAME_VALUEs.
2422         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2423         * tree-flow.h (threadedge_initialize_values): Declare.
2424         (threadedge_finalize_values): Likewise.
2425         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2426         (SSA_NAME_VALUE): Define.
2427         (threadedge_initialize_values): New function.
2428         (threadedge_finalize_values): Likewise.
2429         * tree-ssa-dom.c (ssa_name_values): New global variable.
2430         (SSA_NAME_VALUE): Define.
2431         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2432
2433 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2434
2435         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2436         Use REPORT_VECTORIZED_LOCATIONS instead 
2437         REPORT_VECTORIZED_LOOPS.
2438         * tree-vectorizer.c (vect_verbosity_level): Make static.
2439         (vect_loop_location): Rename to vect_location.
2440         (vect_set_verbosity_level): Update comment.
2441         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2442         and vect_location.
2443         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2444         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2445         instead REPORT_UNVECTORIZED_LOOPS.
2446         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2447         and vect_loop_def to vect_external_def and vect_internal_def.
2448         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2449         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2450         REPORT_UNVECTORIZED_LOCATIONS.
2451         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2452         and vect_used_in_loop and to vect_unused_in_scope and 
2453         vect_used_in_scope.
2454         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2455         (vect_verbosity_level): Remove declaration.
2456         (vect_analyze_operations): Likewise.
2457         (vect_analyze_stmt): Declare.
2458         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2459         REPORT_UNVECTORIZED_LOCATIONS.
2460         (vect_get_loop_niters): Fix indentation.
2461         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2462         (vect_analyze_loop_operations): New function.
2463         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2464         vect_analyze_operations.
2465         (vect_is_simple_reduction): Use new names.
2466         (vectorizable_live_operation, vect_transform_loop): Likewise.
2467         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2468         to specify whether the data references can be a part of interleaving
2469         chain.
2470         (vect_analyze_data_ref_dependence): Use new names.
2471         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2472         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2473         * tree-vect-patterns.c (widened_name_p): Use new names.
2474         (vect_recog_dot_prod_pattern): Likewise.
2475         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2476         (process_use, vect_mark_stmts_to_be_vectorized, 
2477         vect_model_simple_cost, vect_model_store_cost,
2478         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2479         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2480         vectorizable_operation, vectorizable_type_demotion,
2481         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2482         vectorizable_condition): Likewise.
2483         (vect_analyze_operations): Split into vect_analyze_loop_operations
2484         and ...
2485         (vect_analyze_stmt): ... new function.
2486         (new_stmt_vec_info): Use new names.
2487         (vect_is_simple_use): Use new names and fix comment.
2488         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2489         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2490
2491 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2492
2493         PR target/39911
2494         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2495         and integer modes for x87 operands.  Do not ICE for unsupported size,
2496         generate error instead.  Generate error for unsupported operand types.
2497         ['z']: Do not handle HImode memory operands specially.  Warning
2498         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2499         types.  Do not ICE for unsupported size, generate error instead.
2500         (output_387_binary_op): Use %Z to output operands.
2501         (output_fp_compare): Ditto.
2502         (output_387_reg_move): Ditto.
2503
2504 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2505
2506         PR c++/35652
2507         Revert:
2508
2509         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2510
2511         * builtins.c (c_strlen): Do not warn here.
2512         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2513         * c-common.c (pointer_int_sum): Take an explicit location.
2514         Warn about offsets out of bounds.
2515         * c-common.h (pointer_int_sum): Adjust declaration.
2516
2517 2009-04-27  Ian Lance Taylor  <iant@google.com>
2518
2519         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2520         names to symkind.
2521         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2522         * df-core.c (df_set_flags): Change return type to int.  Change
2523         type of old_flags to int.
2524         (df_clear_flags): Likewise.
2525         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2526         (df_get_conditional_uses): Likewise.
2527         * df.h (df_set_flags, df_clear_flags): Update declarations.
2528         * dwarf2out.c (struct indirect_string_node): Change type of form
2529         field to enum dwarf_form.
2530         (AT_string_form): Change return type to enum dwarf_form.
2531         * fixed-value.c (fixed_compare): Add cast to enum type.
2532         * fwprop.c (update_df): Change 0 to VOIDmode.
2533         * gensupport.c: Change 0 to UNKNOWN.
2534         * gimple.h (gimple_cond_code): Add cast to enum type.
2535         * haifa-sched.c (reemit_notes): Add cast to enum type.
2536         * hooks.c (hook_int_void_no_regs): Remove function.
2537         * hooks.h (hook_int_void_no_regs): Remove declaration.
2538         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2539         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2540         * real.c (real_arithmetic): Add cast to enum type.
2541         (real_compare): Likewise.
2542         * target.h (struct gcc_target): Change return type of
2543         branch_target_register_class to enum reg_class.
2544         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2545         default_branch_target_register_class.
2546         * targhooks.c (default_branch_target_register_class): New function.
2547         * targhooks.h (default_branch_target_register_class): Declare.
2548         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2549         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2550         cast to int.
2551         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2552         ERROR_MARK.
2553         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2554         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2555         * tree-vect-stmts.c (supportable_widening_operation): Don't
2556         initialize icode1 and icode2.
2557         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2558         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2559         and to STD_C89.
2560         (cmn_err_flag_specs): Change 0 to STD_C89.
2561         (cmn_err_char_table): Likewise.
2562         * config/arm/arm.c (get_arm_condition_code): Change type of code
2563         to enum arm_cond_code.
2564         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2565         (IWMMXT_BUILTIN2): Likewise.
2566         (neon_builtin_type_bits): Don't define typedef.
2567         (neon_builtin_datum): Change type of bits field to int.
2568         (arm_expand_neon_args): Add cast to enum type.
2569         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2570         TLS_MODEL_NONE.
2571         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2572         casts to enum type.
2573         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2574         MIPS_FP_COND_f.
2575         * config/mips/mips.md (jal_macro): Return enum constant.
2576         (single_insn): Likewise.
2577         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2578         CODE_FOR_nothing.
2579         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2580         casts to enum type.
2581         * config/s390/s390.c (s390_tune_flags): Change type to int.
2582         (s390_arch_flags): Likewise.
2583         (s390_handle_arch_option): Change flags field of struct pta to int.
2584         * config/s390/s390.h (s390_tune_flags): Update declaration.
2585         (s390_arch_flags): Likewise.
2586         * config/sh/sh.c (prepare_move_operands): Compare
2587         tls_symbolic_operand result with enum constant.
2588         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2589         (sh_expand_prologue): Add cast to enum type.
2590         (sh_expand_epilogue): Likewise.
2591         (tls_symbolic_operand): Change return type to enum tls_model.
2592         (fpscr_set_from_mem): Add cast to enum type.
2593         (legitimize_pic_address): Compare tls_symbolic_operand result with
2594         enum constant.
2595         (sh_target_reg_class): Change return type to enum reg_class.
2596         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2597         PROCESSOR_xxx.
2598         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2599         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2600         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2601         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2602         (delayed_branch, tls_call_delay): Likewise.
2603         (eligible_for_sibcall_delay): Likewise.
2604         (eligible_for_return_delay): Likewise. 
2605         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2606         (spu_expand_builtin_1): Likewise.
2607
2608         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2609         for all types of conversions.
2610         (output_init_element): Issue -Wc++-compat warning if needed when
2611         initializing a bitfield with enum type.
2612         * c-parser.c (c_parser_expression): Set original_type to
2613         original_type of right hand operand of comman operator.
2614
2615 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2616
2617         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2618         grammar nits.
2619         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2620         * doc/cpp.texi (Standard Predefined Macros)
2621         (Implementation-defined behavior): Likewise.
2622         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2623         * doc/gimple.texi (GIMPLE Exception Handling)
2624         (@code{GIMPLE_ASSIGN}): Likewise.
2625         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2626         * doc/invoke.texi (Warning Options, Optimize Options)
2627         (AVR Options, Darwin Options): Likewise.
2628         (Optimize Options): Reformulate -fwhole-program description.
2629         * doc/loop.texi (Lambda): Likewise.
2630         * doc/md.texi (Output Template, Define Constraints)
2631         (Standard Names, Insn Splitting): Likewise.
2632         * doc/options.texi (Option properties): Likewise.
2633         * doc/passes.texi (Tree-SSA passes): Likewise.
2634         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2635         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2636         (File Names and DBX): Likewise.
2637         * doc/trouble.texi (Incompatibilities): Likewise.
2638
2639 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2640
2641         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2642         instruction is correct.
2643
2644 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2645
2646         Allow non-constant arguments to conversion intrinsics.
2647         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2648         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2649         * spu.c (print_operand): Handle 'v' and 'w'.
2650         (exp2_immediate_p, spu_gen_exp2): Define.
2651         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2652         spu_convtf_1): Update parameter descriptions.
2653         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2654         * constraints.md ('v', 'w'): New.
2655         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2656         Remove.
2657         (i2f, I2F): New define_mode_attr.
2658         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2659         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2660         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2661         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2662         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2663         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2664         patterns for combine.
2665
2666 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2667
2668         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2669         (cprop, hoist, pre, store_motion): New debug counters.
2670         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2671         is not an RTL pass anymore.
2672         (pass_profiling): Remove extern decl for pass removed in 2005.
2673         (pass_gcse, pass_jump_bypass): Remove.
2674         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2675         to 0 for clean state.
2676         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2677         * cse.c (gate_handle_cse_after_global_opts,
2678         rest_of_handle_cse_after_global_opts): New functions.
2679         (pass_cse_after_global_opts): New pass, does local CSE.
2680         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2681         (TV_CPROP): New timevar.
2682         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2683         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2684         (gcse_main, recompute_all_luids): Remove.
2685         (compute_hash_table_work): Call max_reg_num instead of reading
2686         max_gcse_regno.
2687         (cprop_jump): Don't set run_jump_opt_after_gcse.
2688         (constprop_register): Always allow to alter jumps.
2689         (cprop_insn): Likewise.
2690         (do_local_cprop): Likewise.
2691         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2692         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2693         (find_implicit_sets): Add note about missed optimization opportunity.
2694         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2695         pass_rtl_cprop execute function.
2696         Don't bother tracking the pass number, each pass gets its own dumpfile
2697         now anyway.
2698         Always allow to alter jumpsand bypass jumps.
2699         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2700         will just find no suitable set.
2701         (pre_edge_insert): Fix dumping, this function is for PRE only.
2702         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2703         pass_rtl_pre execute function.
2704         (hoist_code): Return non-zero if something changed.  Keep track of
2705         substitutions and insertions for statistics gathering similar to PRE.
2706         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2707         called from the pass_rtl_hoist execute function.  Show pass statistics.
2708         (compute_store_table): Use max_reg_num directly instead of using the
2709         formerly global max_gcse_regno.
2710         (build_store_vectors): Likewise.
2711         (replace_store_insn): Fix dumping.
2712         (store_motion): Rename to ...
2713         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2714         pass, called from the pass_rtl_store_motion execute function.  Keep
2715         track of substitutions and insertions for statistics gathering similar
2716         to PRE.
2717         (bypass_jumps): Remove, fold interesting bits into ...
2718         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2719         from the pass_rtl_cprop execute function.
2720         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2721         pass_jump_bypass): Remove.
2722         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2723         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2724         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2725         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2726         (gate_rtl_store_motion, execute_rtl_store_motion,
2727         pass_rtl_store_motion): New.
2728         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2729         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2730         * passes.c (init_optimization_passes): Remove pass_gcse and
2731         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2732         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2733         instead of pass_jump_bypass.
2734
2735 2009-04-27  Richard Guenther  <rguenther@suse.de>
2736
2737         PR middle-end/39928
2738         * gimplify.c (gimplify_expr): If we are required to create
2739         a temporary make sure it ends up as register.
2740
2741 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2742
2743         PR target/39903
2744         * config/i386/i386.c (construct_container): Don't call
2745         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2746         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2747
2748 2009-04-27  Michael Matz  <matz@suse.de>
2749
2750         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2751         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2752         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2753         (dump_replaceable_exprs): Take a bitmap.
2754         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2755         array.
2756         (expand_gimple_basic_block): Likewise.
2757         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2758         replaceable_expressions member a bitmap.
2759         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2760         (mark_replaceable): Likewise.
2761         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2762         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2763
2764 2009-04-27  Richard Guenther  <rguenther@suse.de>
2765
2766         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2767         (verify_stmts): Dispatch to gimple/type verification code.
2768         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2769         issue with call argument types.
2770
2771 2009-04-27  Michael Matz  <matz@suse.de>
2772
2773         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2774         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2775         to above.
2776
2777 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2778             Eric Botcazou  <ebotcazou@adacore.com>
2779
2780         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2781         a label's basic block.
2782         (mark_target_live_regs): Tidy and rework obsolete comments.
2783         Change back DF problem to LIVE.  If a label starts a basic block,
2784         assume that all registers that used to be live then still are.
2785         (init_resource_info): If a label starts a basic block, set its
2786         BLOCK_FOR_INSN accordingly.
2787         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2788
2789 2009-04-27  Richard Guenther  <rguenther@suse.de>
2790
2791         * tree-flow-inline.h (function_ann): Remove.
2792         (get_function_ann): Likewise.
2793         * tree-dfa.c (create_function_ann): Remove.
2794         * tree-flow.h (struct static_var_ann_d): Remove.
2795         (struct function_ann_d): Likewise.
2796         (union tree_ann_d): Remove fdecl member.
2797         (function_ann_t): Remove.
2798         (function_ann, get_function_ann, create_function_ann): Remove
2799         declarations.
2800
2801 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2804
2805 2009-04-27  Jan Hubicka  <jh@suse.cz>
2806
2807         * ipa-pure-const.c (struct funct_state_d): New fields
2808         state_previously_known, looping_previously_known; remove
2809         state_set_in_source.
2810         (analyze_function): Use new fields.
2811         (propagate): Avoid assumption that state_set_in_source imply
2812         nonlooping.
2813
2814         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2815         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2816         * cfgloop.h (finite_loop_p): Declare.
2817
2818 2009-04-26  Michael Matz  <matz@suse.de>
2819
2820         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2821
2822 2009-04-26  Michael Matz  <matz@suse.de>
2823
2824         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2825         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2826         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2827         pass_mark_used_blocks): Remove.
2828         * tree-optimize.c (pass_free_datastructures,
2829         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2830         * passes.c (init_optimization_passes): Don't call
2831         pass_mark_used_blocks, remove dead code.
2832
2833 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2834
2835         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2836         * tree-ssa-live.h (register_ssa_partition): Likewise.
2837
2838 2009-04-26  Michael Matz  <matz@suse.de>
2839
2840         Expand from SSA.
2841         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2842         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2843         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2844         SSA names. 
2845         (compare_pairs): Swap cost comparison.
2846         (coalesce_ssa_name): Don't use change_partition_var.
2847         * tree-nrv.c (struct nrv_data): Add modified member.
2848         (finalize_nrv_r): Set it.
2849         (tree_nrv): Use it to update statements.
2850         (pass_nrv): Require PROP_ssa.
2851         * tree-mudflap.c (mf_decl_cache_locals,
2852         mf_build_check_statement_for): Use make_rename_temp.
2853         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2854         * alias.c (find_base_decl): Handle SSA names.
2855         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2856         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2857         * rtl.h (set_reg_attrs_for_parm): Declare.
2858         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2859         to "optimized", remove unused locals at finish.
2860         (execute_free_datastructures): Make global, call
2861         delete_tree_cfg_annotations.
2862         (execute_free_cfg_annotations): Don't call
2863         delete_tree_cfg_annotations.
2864
2865         * ssaexpand.h: New file.
2866         * expr.c (toplevel): Include ssaexpand.h.
2867         (expand_assignment): Handle SSA names the same as register variables.
2868         (expand_expr_real_1): Expand SSA names.
2869         * cfgexpand.c (toplevel): Include ssaexpand.h.
2870         (SA): New global variable.
2871         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2872         (SSAVAR): New macro.
2873         (set_rtl): New helper function.
2874         (add_stack_var): Deal with SSA names, use set_rtl.
2875         (expand_one_stack_var_at): Likewise.
2876         (expand_one_stack_var): Deal with SSA names.
2877         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2878         before unique numbers.
2879         (expand_stack_vars): Use set_rtl.
2880         (expand_one_var): Accept SSA names, add asserts for them, feed them
2881         to above subroutines.
2882         (expand_used_vars): Expand all partitions (without default defs),
2883         then only the local decls (ignoring those expanded already).
2884         (expand_gimple_cond): Remove edges when jumpif() expands an
2885         unconditional jump.
2886         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2887         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2888         SSA name.
2889         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2890         members of SA; deal with PARM_DECL partitions here; expand
2891         all PHI nodes, free tree datastructures and SA.  Commit instructions
2892         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2893         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2894         info and statements at start, collect garbage at finish.
2895         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2896         (VAR_ANN_PARTITION) Remove.
2897         (change_partition_var): Don't declare.
2898         (partition_to_var): Always return SSA names.
2899         (var_to_partition): Only accept SSA names.
2900         (register_ssa_partition): Only check argument.
2901         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2902         member.
2903         (delete_var_map): Don't free it.
2904         (var_union): Only accept SSA names, simplify.
2905         (partition_view_init): Mark only useful SSA names as used.
2906         (partition_view_fini): Only deal with SSA names.
2907         (change_partition_var): Remove.
2908         (dump_var_map): Use ssa_name instead of partition_to_var member.
2909         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2910         basic blocks.
2911         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2912         (struct _elim_graph): New member const_dests; nodes member vector of
2913         ints.
2914         (set_location_for_edge): New static helper.
2915         (create_temp): Remove.
2916         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2917         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2918         (new_elim_graph): Allocate const_dests member.
2919         (clean_elim_graph): Truncate const_dests member.
2920         (delete_elim_graph): Free const_dests member.
2921         (elim_graph_size): Adapt to new type of nodes member.
2922         (elim_graph_add_node): Likewise.
2923         (eliminate_name): Likewise.
2924         (eliminate_build): Don't take basic block argument, deal only with
2925         partition numbers, not variables.
2926         (get_temp_reg): New static helper.
2927         (elim_create): Use it, deal with RTL temporaries instead of trees.
2928         (eliminate_phi): Adjust all calls to new signature.
2929         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2930         (rewrite_trees): Only do checking.
2931         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2932         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2933         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2934         contains_tree_r, MAX_STMTS_IN_LATCH,
2935         process_single_block_loop_latch, analyze_edges_for_bb,
2936         perform_edge_inserts): Remove.
2937         (expand_phi_nodes): New global function.
2938         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2939         functions, initialize new parameter, remember partitions having a
2940         default def.
2941         (finish_out_of_ssa): New global function.
2942         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2943         don't reset in_ssa_p here, don't disable TER when mudflap.
2944         (pass_del_ssa): Remove.
2945         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2946         partition members.
2947         (execute_free_datastructures): Declare.
2948         * Makefile.in (SSAEXPAND_H): New variable.
2949         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2950         * basic-block.h (commit_one_edge_insertion): Declare.
2951         * passes.c (init_optimization_passes): Move pass_nrv and
2952         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2953         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2954         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2955         (redirect_branch_edge): Deal with super block when expanding, split
2956         out jump patching itself into ...
2957         (patch_jump_insn): ... here, new static helper.
2958
2959 2009-04-26  Michael Matz  <matz@suse.de>
2960
2961         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2962         beyond num_ssa_names.
2963         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2964         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2965
2966 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2967
2968         PR inline-asm/39543
2969         * fwprop.c (forward_propagate_asm): New function.
2970         (forward_propagate_and_simplify): Propagate also into __asm, if it
2971         doesn't increase the number of referenced registers.
2972
2973         PR c/39889
2974         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2975
2976 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2977
2978         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2979         note_nonlocal_vla_type for nonlocal VLAs.
2980         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2981         contains_remapped_vars, remap_vla_decls): New functions.
2982         (convert_nonlocal_reference_stmt): If not optimizing, call
2983         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2984         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2985         if it wasn't found in var_map.
2986         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2987         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2988         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2989         declare_vars.
2990         * gimplify.c (nonlocal_vlas): New variable.
2991         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2992         referenced VLAs.
2993         (gimplify_body): Create and destroy nonlocal_vlas.
2994
2995         * dwarf2out.c (loc_descr_plus_const): New function.
2996         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2997         mem_loc_descriptor, loc_descriptor_from_tree_1,
2998         descr_info_loc, gen_variable_die): Use it.
2999
3000         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3001         !TREE_STATIC VAR_DECLs.
3002         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3003         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3004         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3005         DECL_BY_REFERENCE is valid.
3006         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3007         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3008         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3009         Copy DECL_BY_REFERENCE.
3010         (struct nesting_copy_body_data): New type.
3011         (nesting_copy_decl): New function.
3012         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3013         if they have variable length.
3014
3015 2009-04-26  Michael Matz  <matz@suse.de>
3016
3017         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3018         mark new temporaries for renaming.
3019
3020 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3021
3022         PR c/39581
3023         * c-decl.c (global_bindings_p): Return negative value.
3024         (c_variable_size): New.  Based on variable_size from
3025         stor-layout.c.
3026         (grokdeclarator): Call c_variable_size not variable_size.
3027
3028 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3029
3030         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3031
3032 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3033
3034         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3035         Redefine it to just use mingw/include.
3036         (ASM_SPEC): Rules for -m32 and -m64.
3037         (LINK_SPEC): Use Likewise.
3038         (SPEC_32): New define.
3039         (SPEC_64): Likewise.
3040         (SUB_LINK_SPEC): Likewise.
3041         (MULTILIB_DEFAULTS): New define.
3042         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3043         Add multilib options.
3044         (MULTILIB_DIRNAMES): Likewise.
3045         (MULTILIB_OSDIRNAMES): Likewise.
3046         (LIBGCC): Likewise.
3047         (INSTALL_LIBGCC): Likewise.
3048
3049 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3050
3051         PR c/39556
3052         * c-tree.h (enum c_inline_static_type): New.
3053         (record_inline_static): Declare.
3054         * c-decl.c (struct c_inline_static, c_inline_statics,
3055         record_inline_static, check_inline_statics): New.
3056         (pop_file_scope): Call check_inline_statics.
3057         (start_decl): Call record_inline_static instead of pedwarning
3058         directly for static in inline function.
3059         * c-typeck.c (build_external_ref): Call record_inline_static
3060         instead of pedwarning directly for static referenced in inline
3061         function.
3062
3063 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3064
3065         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3066         not new but only being rescanned.
3067         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3068         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3069         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3070         record_set_info, compute_set, grealloc): Remove.
3071         (recompute_all_luids): New function.
3072         (gcse_main): Don't compute sets, and don't do related memory
3073         allocations/free-ing.  If something changed before the end of the
3074         pass, update LUIDs using recompute_all_luids.
3075         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3076         (free_gcse_mem): Don't free it either.
3077         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3078         Use the df insn LUIDs.
3079         (load_killed_in_block): Likewise.
3080         (compute_hash_table_work): Don't compute reg_set_in_block.
3081         (compute_transp): Use DF_REG_DEF_CHAINs.
3082         (local_cprop_pass): Don't use compute_sets and related functions.
3083         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3084         Use get_max_uid() instead of max_cuid.
3085         (insert_insn_end_basic_block, pre_insert_copy_insn,
3086         update_ld_motion_stores): Don't try to
3087         keep reg_set tables up to date.
3088         (pre_insert_copies): Use df insn LUIDs.
3089         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3090         (reg_set_info): Don't use extra bitmap argument.
3091         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3092         information to compute regs_set_in_block.
3093         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3094         (bypass_jumps): Don't use compute_sets and friends.
3095
3096 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3097
3098         PR testsuite/39710
3099         * opts.c (undocumented_msg): Do not leave blank even with
3100         ENABLE_CHECKING.
3101
3102 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3103
3104         * c-decl.c (build_enumerator): Allow values folding to integer
3105         constants but not integer constant expressions with a pedwarn if
3106         pedantic.
3107
3108 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3109
3110         PR c/39582
3111         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3112         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3113         type is an integer constant.
3114
3115 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3116
3117         PR target/39897
3118         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3119         HImode operands.
3120
3121 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3122
3123         PR c/39564
3124         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3125         with variably modified return type and no storage class
3126         specifiers, except for the case of nested functions.  Distinguish
3127         extern declarations of functions with variably modified return
3128         types from those of objects with variably modified types.
3129
3130 2009-04-25  Jan Hubicka  <jh@suse.cz>
3131
3132         * tree.c (list_equal_p): New function.
3133         * tree.h (list_equal_p): Declare.
3134         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3135         basic_block_def, basic_block, const_basic_block): New.
3136         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3137         (redirect_eh_edge): New function.
3138         (make_eh_edge_update_phi): EH edges are not abnormal.
3139         * except.c: Include tree-flow.h.
3140         (list_match): New function.
3141         (eh_region_replaceable_by_p): New function.
3142         (replace_region): New function.
3143         (hash_type_list): New function.
3144         (hash_eh_region): New function.
3145         (eh_regions_equal_p): New function.
3146         (merge_peers): New function.
3147         (remove_unreachable_regions): Verify EH tree when checking;
3148         merge peers.
3149         (copy_eh_region_1): New function.
3150         (copy_eh_region): New function.
3151         (push_reachable_handler): New function.
3152         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3153         regions without label but with live RESX.
3154         * except.h (redirect_eh_edge_to_label): New.
3155         * tree-flow.h (redirect_eh_edge): New.
3156         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3157         basic_block_def, basic_block, const_basic_block): Remove.
3158         * Makefile.in (except.o): Add dependency on tree-flow.h
3159         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3160         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3161         Remove.
3162
3163 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3164
3165         PR bootstrap/39645
3166         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3167         on the destination of memcpy.
3168
3169 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3170
3171         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3172         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3173         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3174
3175 2009-04-25  Jan Hubicka  <jh@suse.cz>
3176
3177         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3178         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3179         to be reached by different label than left.
3180         (update_eh_edges): Update comment; remove edge_to_remove if possible
3181         and return true if suceeded.
3182         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3183         (cleanup_eh): Compute sharing map.
3184         * except.c (remove_eh_handler_and_replace): Add argument if we should
3185         update regions.
3186         (remove_unreachable_regions): Update for label sharing.
3187         (label_to_region_map): Likewise.
3188         (get_next_region_sharing_label): New function.
3189         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3190         prev_try pointers.
3191         (remove_eh_handler): Update.
3192         (remove_eh_region_and_replace_by_outer_of): New function.
3193         * except.h (struct eh_region): Add next_region_sharing_label.
3194         (remove_eh_region_and_replace_by_outer_of,
3195         get_next_region_sharing_label): Declare.
3196         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3197
3198 2009-04-25  Jan Hubicka  <jh@suse.cz>
3199
3200         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3201         insert code even if they are not critical.
3202
3203 2009-04-25  Jan Hubicka  <jh@suse.cz>
3204
3205         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3206         (gimple_can_remove_branch_p): EH edges won't remove branch by
3207         redirection.
3208         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3209         updating of non-abnormal EH edges.
3210         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3211         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3212         (split_critical_edges): Split also edges where emitting code on them
3213         will lead to splitting later.
3214
3215 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3216             H.J. Lu  <hongjiu.lu@intel.com>
3217
3218         PR target/39590
3219         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3220         the configured assembler supports fildq and fistpq mnemonics.
3221         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3222         * configure: Regenerated.
3223         * config.in: Ditto.
3224
3225         * config/i386/i386.c (print_operand): Handle 'Z'.
3226         ['z']: Remove handling of special fild/fist suffixes.
3227         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3228         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3229         suffix of fild insn.
3230         (*floatsi<mode>2_vector_mixed): Ditto.
3231         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3232         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3233         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3234         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3235         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3236
3237 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3238  
3239         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3240         the source of a set operation.
3241
3242 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3243
3244         * target.h (struct gcc_target): Add case_values_threshold field.
3245         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3246         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3247         * targhooks.c (default_case_values_threshold): New function.
3248         * targhooks.h (default_case_values_threshold): Declare function.
3249         * stmt.c (expand_case): Use case_values_threshold target hook.
3250         * expr.h (case_values_threshold): Remove declartation.
3251         * expr.c (case_values_threshold): Remove function.
3252         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3253
3254         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3255         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3256         (avr_case_values_threshold): Declare as static.
3257         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3258
3259         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3260         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3261         (mn10300_case_values_threshold): New function.
3262
3263 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3264
3265         * ira.c (setup_cover_and_important_classes): Add enum cast.
3266
3267 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3268
3269         * genpreds.c (write_enum_constraint_num): Output definition of
3270         CONSTRAINT_NUM_DEFINED_P macro.
3271         * ira.c (setup_cover_and_important_classes): Use
3272         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3273         
3274 2009-04-24  DJ Delorie  <dj@redhat.com>
3275
3276         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3277         __SH2A_SINGLE_ONLY__ also.
3278
3279 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3280
3281         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3282         (movdf_internal): Ditto.
3283         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3284         SFmode and DFmode constants.
3285         (ia64_print_operand): Add 'G' format for printing
3286         floating point constants.
3287
3288 2009-04-24  Richard Guenther  <rguenther@suse.de>
3289
3290         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3291         from unsigned additions.
3292
3293 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3294
3295         * c-typeck.c (set_init_index): Allow array designators that are
3296         not integer constant expressions with a pedwarn if pedantic.
3297
3298 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3299
3300         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3301         zero if no overlap in nonzero bits between the operands.
3302
3303 2009-04-24  Ian Lance Taylor  <iant@google.com>
3304
3305         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3306         (record_dead_and_set_regs): Likewise.
3307         * df.h (struct df_mw_hardreg): Change flags field to int.
3308         (struct df_base_ref): Likewise.
3309         (struct df): Change changeable_flags field to int.
3310         * df-scan.c (df_defs_record): Change clobber_flags to int.
3311         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3312         constants rather than #define macros.
3313         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3314         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3315         (enum dwarf_calling_convention): Likewise.
3316         (enum dwarf_line_number_x_ops): Likewise.
3317         (enum dwarf_call_frame_info): Likewise.
3318         (enum dwarf_source_language): Likewise.
3319         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3320         (add_calling_convention_attribute): Likewise.
3321         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3322         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3323         * genrecog.c (maybe_both_true_2): Change c to int.
3324         (write_switch): Likewise.  Add cast to enum type.
3325         * gimplify.c (gimplify_omp_for): Handle return values from
3326         gimplify_expr using MIN rather than bitwise or.
3327         (gimplify_expr): Add cast to enum type.
3328         * ipa-prop.c (update_jump_functions_after_inlining): Change
3329         IPA_BOTTOM to IPA_JF_UNKNOWN.
3330         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3331         Add casts to enum type.
3332         (setup_cover_and_important_classes): Change cl to int.  Add casts
3333         to enum type.
3334         (setup_class_translate): Change cl and mode to int.
3335         (ira_init_once): Change mode to int.
3336         (free_register_move_costs): Likewise.
3337         (setup_prohibited_mode_move_regs): Add casts to enum type.
3338         * langhooks.c (add_builtin_function_common): Rework assertion that
3339         value fits bitfield.
3340         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3341         * omega.c (omega_do_elimination): Avoid math on enum types.
3342         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3343         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3344         int local to handle integral_argment value.
3345         * regmove.c (try_auto_increment): Change PUT_MODE to
3346         PUT_REG_NOTE_KIND.
3347         * reload.c (push_secondary_reload): Add casts to enum type.
3348         (secondary_reload_class, find_valid_class): Likewise.
3349         * reload1.c (emit_input_reload_insns): Likewise.
3350         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3351         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3352         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3353         constant.
3354         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3355         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3356         enum type.
3357         (expand_complex_libcall): Add casts to enum type.
3358         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3359         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3360         with ERROR_MARK, not NUM_TREE_CODES.
3361         (vect_create_epilog_for_reduction): Likewise.
3362         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3363         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3364         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3365         enum machine_mode.
3366         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3367         vect_unused_in_loop.  Change 0 to loop_vect.
3368         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3369         * var-tracking.c (get_init_value): Change return type to enum
3370         var_init_status.
3371         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3372         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3373         arm_fp_model.
3374         (arm_override_options): Add casts to enum type.
3375         (arm_emit_tls_decoration): Likewise.
3376         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3377         to enum type.
3378         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3379         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3380         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3381         enum type.
3382         * config/s390/s390.c (code_for_builtin_64): Change to array of
3383         enum insn_code.
3384         (code_for_builtin_31): Likewise.
3385         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3386         const *.
3387         * config/sparc/sparc.c (sparc_override_options): Change value
3388         field in struct code_model to enum cmodel.  In initializer change
3389         0 to NULL and add cast to enum type.
3390
3391         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3392         Change all callers.  Issue a -Wc++-compat warning using
3393         lhs_origtype if necessary.
3394         (convert_for_assignment): Issue -Wc++-compat warnings about
3395         invalid conversions to enum type on assignment.
3396         * c-common.h (build_modify_expr): Update declaration.
3397
3398 2009-04-24  Nick Clifton  <nickc@redhat.com>
3399
3400         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3401         (function_arg_advance): Likewise.
3402         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3403         5th alternative.
3404
3405 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3406
3407         * config/s390/constraints.md ('I', 'J'): Fix condition.
3408
3409 2009-04-24  Diego Novillo  <dnovillo@google.com>
3410
3411         * gengtype-parse.c (parse_error): Add newline after message.
3412
3413 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3414
3415         * config/i386/sse.md (avxmodesuffixs): Removed.
3416         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3417         (*avx_pinsr<ssevecsize>): This.
3418
3419 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3420
3421         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3422         follow chains of regs with a single definition, and allow expressions
3423         that are function_invariant_p.
3424         (simple_rhs_p): Allow expressions that are function_invariant_p.
3425
3426 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3427
3428         PR middle-end/39867
3429         * fold-const.c (fold_cond_expr_with_comparison): When folding
3430         > and >= to MAX, make sure the MAX uses the same type as the
3431         comparison's operands.
3432
3433 2009-04-24  Nick Clifton  <nickc@redhat.com>
3434
3435         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3436         addressing for DImode accesses.
3437         (frv_print_operand_address): Handle PLUS case.
3438         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3439
3440 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3441
3442         PR rtl-optimization/39794
3443         * alias.c (canon_true_dependence): Add x_addr argument.
3444         * rtl.h (canon_true_dependence): Adjust prototype.
3445         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3446         * cselib.c (cselib_invalidate_mem): Likewise.
3447         * gcse.c (compute_transp): Likewise.
3448         * dse.c (scan_reads_nospill): Likewise.
3449         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3450         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3451         canon_base_addr of the group, plus optional offset.
3452         (struct group_info): Rename canon_base_mem to
3453         canon_base_addr.
3454         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3455         canon_rtx of base_mem.
3456
3457 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3458
3459         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3460         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3461
3462 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3463
3464         * config/spu/spu-builtins.h: Delete file.
3465
3466         * config/spu/spu.h (enum spu_builtin_type): Move here from
3467         spu-builtins.h.
3468         (struct spu_builtin_description): Likewise.  Add GTY marker.
3469         Do not use enum spu_function_code or enum insn_code.
3470         (spu_builtins): Add extern declaration.
3471
3472         * config/spu/spu.c: Do not include "spu-builtins.h".
3473         (enum spu_function_code, enum spu_builtin_type_index,
3474         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3475         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3476         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3477         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3478         (spu_builtin_types): Make static.  Add GTY marker.
3479         (spu_builtins): Add extern declaration with GTY marker.
3480         Include "gt-spu.h".
3481
3482         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3483         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3484         Check programmatically whether all parameters are scalar.
3485
3486         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3487
3488 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3489
3490         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3491         assignment from the constructor either if the target is volatile.
3492
3493 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3494
3495         * config/arm/arm.md (insv): Do not share operands[0].
3496
3497 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3498
3499         * config/vxlib-tls.c (active_tls_threads): Delete.
3500         (delete_hook_installed): New.
3501         (tls_delete_hook): Don't delete the delete hook.
3502         (tls_destructor): Delete it here.
3503         (__gthread_set_specific): Adjust installing the delete hook.
3504         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3505         __gthread_leave_tsd_dtor_context.
3506
3507 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3508
3509         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3510
3511 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3512
3513         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3514         enum type.
3515         (alpha_rtx_costs): Ditto.
3516         (emit_unlikely_jump): Use add_reg_note.
3517         (emit_frame_store_1): Ditto.
3518         (alpha_expand_prologue): Ditto.
3519         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3520         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3521
3522 2009-04-23  Nick Clifton  <nickc@redhat.com>
3523
3524         * config/v850/v850.md (epilogue): Remove suppressed code.
3525         (return): Rename to return_simple and remove test of frame size.
3526         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3527         to gen_return_simple.
3528
3529 2009-04-22  Jing Yu  <jingyu@google.com>
3530
3531         PR testsuite/39781
3532         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3533
3534 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3535
3536         PR C/31499
3537         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3538         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3539         value is a VECTOR_CST, the element type is the element type of the
3540         vector.
3541
3542 2009-04-22  DJ Delorie  <dj@redhat.com>
3543
3544         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3545
3546 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3547
3548         * alias.c (find_base_term): Move around LO_SUM case, so that
3549         CONST falls through into PLUS/MINUS handling.
3550
3551         PR c/39855
3552         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3553         into 0, use omit_one_operand.
3554
3555 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3556
3557         * config/rs6000/linux-unwind.h (get_regs): Remove type
3558         puns. Change the type of `pc' to an array of unsigned ints and
3559         update all users.  Constify frame24.
3560
3561 2009-04-22  DJ Delorie  <dj@redhat.com>
3562
3563         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3564         declarations before code.
3565         (current_function_special_page_vector): Likewise.
3566         (m32c_expand_insv): Silence a warning.
3567
3568 2009-04-21  Taras Glek  <tglek@mozilla.com>
3569
3570         * alias.c: Update GTY annotations to new syntax.
3571         * basic-block.h: Likewise.
3572         * bitmap.h: Likewise.
3573         * c-common.h: Likewise.
3574         * c-decl.c: Likewise.
3575         * c-parser.c: Likewise.
3576         * c-pragma.c: Likewise.
3577         * c-tree.h: Likewise.
3578         * cfgloop.h: Likewise.
3579         * cgraph.h: Likewise.
3580         * config/alpha/alpha.c: Likewise.
3581         * config/arm/arm.h: Likewise.
3582         * config/avr/avr.h: Likewise.
3583         * config/bfin/bfin.c: Likewise.
3584         * config/cris/cris.c: Likewise.
3585         * config/darwin.c: Likewise.
3586         * config/frv/frv.c: Likewise.
3587         * config/i386/i386.c: Likewise.
3588         * config/i386/i386.h: Likewise.
3589         * config/i386/winnt.c: Likewise.
3590         * config/ia64/ia64.h: Likewise.
3591         * config/iq2000/iq2000.c: Likewise.
3592         * config/mips/mips.c: Likewise.
3593         * config/mmix/mmix.h: Likewise.
3594         * config/pa/pa.c: Likewise.
3595         * config/pa/pa.h: Likewise.
3596         * config/rs6000/rs6000.c: Likewise.
3597         * config/s390/s390.c: Likewise.
3598         * config/sparc/sparc.c: Likewise.
3599         * config/xtensa/xtensa.c: Likewise.
3600         * cselib.h: Likewise.
3601         * dbxout.c: Likewise.
3602         * dwarf2out.c: Likewise.
3603         * except.c: Likewise.
3604         * except.h: Likewise.
3605         * fixed-value.h: Likewise.
3606         * function.c: Likewise.
3607         * function.h: Likewise.
3608         * gimple.h: Likewise.
3609         * integrate.c: Likewise.
3610         * optabs.c: Likewise.
3611         * output.h: Likewise.
3612         * real.h: Likewise.
3613         * rtl.h: Likewise.
3614         * stringpool.c: Likewise.
3615         * tree-data-ref.c: Likewise.
3616         * tree-flow.h: Likewise.
3617         * tree-scalar-evolution.c: Likewise.
3618         * tree-ssa-address.c: Likewise.
3619         * tree-ssa-alias.h: Likewise.
3620         * tree-ssa-operands.h: Likewise.
3621         * tree.c: Likewise.
3622         * tree.h: Likewise.
3623         * varasm.c: Likewise.
3624         * varray.h: Likewise.
3625         * vec.h: Likewise.
3626         * coretypes.h: Do not define GTY macro if it is already defined.
3627         * doc/gty.texi: Update GTY documentation to new syntax.
3628         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3629         annotations on structs.
3630         * gengtype-parse.c: Likewise.
3631
3632 2009-04-22  Mark Heffernan  <meheff@google.com>
3633
3634         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3635
3636 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3637
3638         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3639         where appropriate.
3640
3641 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3642
3643         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3644         the same as a PLUS without a shift.  Increase the cost of a
3645         CONST_INT in MULT.
3646
3647 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3648
3649         * Makefile.in: Update dependencies.
3650         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3651         * errors.h: Remove bogus comment about compatibility.
3652         (warning): Update declaration.
3653         * genautomata.c: Update all calls to warning.
3654         * gimple.c: Do not include errors.h. Include toplev.h.
3655         * tree-ssa-structalias.c: Do not include errors.h.
3656         * omega.c: Likewise.
3657         * tree-ssa-reassoc.c: Likewise.
3658         * config/spu/spu-c.c: Likewise.
3659         * config/spu/t-spu-elf: Update dependencies.
3660
3661 2009-04-22  Richard Guenther  <rguenther@suse.de>
3662
3663         PR tree-optimization/39824
3664         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3665         make sure the types are compatible.
3666
3667 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3668
3669         PR c++/14875
3670         * c-common.c (c_parse_error): Take a token_flags parameter.
3671         Use token_type for the token type instead.
3672         Pass token_flags to cpp_type2name.
3673         * c-common.h (c_parse_error): Update declaration.
3674         * c-parser.c (c_parser_error): Pass 0 as token flags.
3675
3676 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3677
3678         PR rtl-optimization/39580
3679         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3680         
3681 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3682
3683         * function.c (expand_function_end): Do not emit a jump to the "naked"
3684         return label for fall-through returns.
3685         * except.c (sjlj_emit_function_exit): Always place the call to the
3686         unregister function at the location installed by expand_function_end.
3687
3688 2009-04-22  Richard Guenther  <rguenther@suse.de>
3689
3690         PR tree-optimization/39845
3691         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3692         (gen_inbound_check): Likewise.
3693
3694 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3695
3696         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3697         padding for PPC.
3698         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3699         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3700
3701 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3702
3703         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3704         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3705         shift counts to avoid out-of-bounds array accesses.
3706
3707 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3708
3709         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3710         (Pmode): Move above.
3711
3712 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3713
3714         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3715         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3716         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3717         * config/alpha/alpha.h: Ditto.
3718         * config/alpha/alpha.md: Ditto.
3719         * config/alpha/constraints.md: Ditto.
3720         * config/alpha/predicates.md: Ditto.
3721         
3722 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3723
3724         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3725         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3726         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3727         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3728         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3729         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3730         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3731         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3732         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3733         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3734         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3735         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3736         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3737         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3738         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3739         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3740         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3741         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3742         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3743         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3744         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3745         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3746         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3747         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3748         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3749         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3750         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3751
3752 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3753
3754         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3755         references from comments.
3756         * cfgbuild.c: (count_basic_blocks): Delete.
3757         (find_basic_blocks_1): Delete.
3758         (find_basic_blocks): Delete.
3759         * except.c (finish_eh_generation): Make static.  Move comment from
3760         except.h here.  Remove find_basic_blocks references from comments.
3761         * except.h (finish_eh_generation): Delete.
3762         * basic-block.h (find_basic_blocks): Delete.
3763         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3764
3765 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3766
3767         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3768         (sdbout_parms):  Likewise.
3769
3770 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3771
3772         * config/sh/sh.c (prepare_cbranch_operands): Use
3773         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3774         (expand_cbranchdi4): Likewise.
3775         (from_compare): Add cast to enum type.
3776         (expand_cbranchsi4): Use add_reg_note.
3777         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3778         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3779         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3780         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3781         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3782         instead of CODE_FOR_nothing.
3783         (cbranchdi4): Likewise.  Fix the order of arguments for
3784         gen_rtx_fmt_ee.
3785         (push_fpscr): Use add_reg_note.
3786         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3787         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3788         
3789 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3790
3791         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3792         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3793         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3794         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3795         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3796         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3797         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3798         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3799         config/alpha/x-vms, config/arc/t-arc,
3800         config/arm/README-interworking, config/arm/arm-c.c,
3801         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3802         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3803         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3804         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3805         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3806         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3807         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3808         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3809         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3810         config/cris/t-elfmulti, config/crx/t-crx,
3811         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3812         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3813         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3814         config/h8300/t-h8300, config/i386/athlon.md,
3815         config/i386/darwin-libgcc.10.4.ver,
3816         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3817         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3818         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3819         config/i386/t-linux64, config/i386/t-nwld,
3820         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3821         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3822         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3823         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3824         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3825         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3826         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3827         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3828         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3829         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3830         config/m68k/t-uclinux, config/mcore/t-mcore,
3831         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3832         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3833         config/mips/crtn.asm, config/mips/irix-crti.asm,
3834         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3835         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3836         config/mips/mips-fixed.md, config/mips/sb1.md,
3837         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3838         config/mips/t-iris6, config/mips/t-isa3264,
3839         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3840         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3841         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3842         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3843         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3844         config/mn10300/t-linux, config/mn10300/t-mn10300,
3845         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3846         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3847         config/picochip/libgccExtras/clzsi2.asm,
3848         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3849         config/rs6000/darwin-libgcc.10.4.ver,
3850         config/rs6000/darwin-libgcc.10.5.ver,
3851         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3852         config/rs6000/t-aix43, config/rs6000/t-aix52,
3853         config/rs6000/t-darwin, config/rs6000/t-fprules,
3854         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3855         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3856         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3857         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3858         config/rs6000/t-rtems, config/rs6000/t-spe,
3859         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3860         config/score/t-score-elf, config/sh/divcost-analysis,
3861         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3862         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3863         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3864         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3865         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3866         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3867         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3868         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3869         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3870         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3871         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3872         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3873         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3874         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3875         * config/h8300/genmova.sh: Include copyright and license notices
3876         in generated output.
3877         * config/h8300/mova.md: Regenerate.
3878         * doc/install.texi2html: Include word "Copyright" in copyright
3879         notice and use name "Free Software Foundation, Inc.".
3880         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3881         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3882         ChangeLog-2007, ChangeLog-2008: Correct dates.
3883
3884 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3885
3886         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3887         NE_EXPR operations as well.
3888         * c-parser.c (c_parser_condition): Do not set location information on
3889         the condition.
3890         (c_parser_conditional_expression): Likewise.
3891         (c_parser_binary_expression): Set location information on operators.
3892         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3893         TRUTH_NOT_EXPR has been folded.
3894         * fold-const.c (fold_truth_not_expr): Copy location information from
3895         the incoming expression to the outgoing one.
3896         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3897         recursive calls on the LHS of the operator but pass that of the
3898         operator to recursive calls on the RHS of the operator.  Set it
3899         on the COND_EXPR.
3900         (shortcut_cond_expr): Set the locus of the operator on the second
3901         COND_EXPR and that of the expression on the first in degenerate cases.
3902         Pass the locus of the expression to calls to shortcut_cond_r.
3903         Set the locus of the 'then' block on the associated jump, if any.
3904         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3905         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3906         expression to call to gimplify_boolean_expr.
3907
3908 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3909
3910         * config.gcc: Add additional configuration for
3911         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3912         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3913         (CPP_SPEC): Redefine for allowing -municode option.
3914         (STARTFILE_SPEC): Likewise.
3915         * config/i386/t-mingw-w64: New.
3916         * config/i386/mingw-w64.opt: New.
3917         (municode): Add new target option.
3918         * doc/invoke.texi (municode): Add documentation for new option.
3919
3920 2009-04-21  Ian Lance Taylor  <iant@google.com>
3921
3922         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3923         Correct test for number of arguments.
3924         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3925
3926 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3927
3928         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3929         argument of emit_library_call.
3930
3931 2009-04-21  Richard Guenther  <rguenther@suse.de>
3932
3933         PR middle-end/39829
3934         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3935         inside VIEW_CONVERT_EXPRs.
3936
3937 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3938
3939         * tree-switch-conversion.c (build_constructors): Split a long line.
3940         (constructor_contains_same_values_p): New function.
3941         (build_one_array): Create assigns of constants if possible, do not
3942         call mark_sym_for_renaming, call update_stmt.
3943         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3944         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3945         update_stmt.
3946         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3947         find_new_referenced_vars, call update_stmt.
3948         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3949         instead of calling make_rename_temp.  Do not call
3950         find_new_referenced_vars or mark_symbols_for_renaming, call
3951         update_stmt.
3952
3953 2009-04-21  Richard Guenther  <rguenther@suse.de>
3954
3955         PR tree-optimization/39827
3956         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3957         (tree_ssa_phiprop): Pass the correct array size.
3958
3959 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3960
3961         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3962
3963 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3964
3965         PR 16202
3966         * c-typeck.c (lvalue_p): Move declaration ...
3967         * c-common.h (lvalue_p): ... to here.
3968         * c-common.c (candidate_equal_p): New.
3969         (add_tlist): Use it.
3970         (merge_tlist): Use it.
3971         (warn_for_collisions_1): Likewise.
3972         (warning_candidate_p): Accept more candidates.
3973         (verify_tree): A warning candidate can be an expression. Use
3974         candidate_equal_p.
3975
3976 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3977
3978         PR target/5267
3979         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3980         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3981         options.  Remove -mcall-solaris documentation.
3982
3983 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3984
3985         PR c++/13358
3986         * doc/invoke.texi (-Wlong-long): Update description.
3987         * c-lex (interpret_integer): Only warn if there was no previous
3988         overflow and -Wlong-long is enabled.
3989         * c-decl.c (declspecs_add_type): Drop redundant flags.
3990         * c.opt (Wlong-long): Init to -1.
3991         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3992         and front-end warn_long_long. Wlong-long only depends on other
3993         flags if it is uninitialized.
3994         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3995         the same for CPP and FE.
3996         (restore_extension_diagnostics): Likewise.
3997
3998 2009-04-20  Ian Lance Taylor  <iant@google.com>
3999
4000         Fix enum conversions which are invalid in C++:
4001         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4002         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4003         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4004         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4005         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4006         (dbxout_parms): Likewise.
4007         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4008         (df_clear_flags): Likewise.
4009         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4010         top_flag parameter to int.
4011         (df_chain_create_bb_process_use): Likewise.
4012         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4013         Remove cast.
4014         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4015         (df_ref_create_structure, df_def_record_1): Likewise.
4016         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4017         (df_notes_rescan): Change 0 to VOIDmode in function call.
4018         (df_get_call_refs, df_insn_refs_collect): Likewise.
4019         (df_bb_regs_collect): Likewise.
4020         (df_entry_block_defs_collect): Likewise.
4021         (df_exit_block_uses_collect): Likewise.
4022         * df.h: Update declarations.
4023         * double-int.c (double_int_divmod): Add cast to enum type.
4024         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4025         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4026         (based_loc_descr): Likewise.
4027         (loc_descriptor_from_tree_1): Change first_op and second_op to
4028         enum dwarf_location_atom.  Add cast to enum type.
4029         * expmed.c (init_expmed): Change 0 to SET in function call.
4030         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4031         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4032         (do_store_flag): Likewise.
4033         * fixed-value.h (struct fixed_value): Change mode to enum
4034         machine_mode.
4035         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4036         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4037         function call.
4038         (insert_insn_decl, insert_decl, insert_state): Likewise.
4039         (automata_list_finish): Likewise.
4040         * genrecog.c (process_define_predicate): Add cast to enum type.
4041         * gensupport.c (init_predicate_table): Add cast to enum type.
4042         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4043         function call.
4044         (gimple_build_call_1, gimple_build_label): Likewise.
4045         (gimple_build_goto, gimple_build_asm_1): Likewise.
4046         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4047         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4048         (enum fallback): Rename from enum fallback_t.
4049         (fallback_t): Typedef as int.
4050         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4051         GSI_SAME_STMT in function call.
4052         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4053         enum type.
4054         (setup_reg_class_relations): Likewise.
4055         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4056         (setup_prohibited_class_mode_regs): Add cast to enum type.
4057         (setup_prohibited_mode_move_regs): Likewise.
4058         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4059         (record_address_regs): Change i to enum reg_class.
4060         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4061         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4062         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4063         (GET_MODE_2XWIDER_MODE): Likewise.
4064         (GET_CLASS_NARROWEST_MODE): Likewise.
4065         * omp-low.c (expand_omp_for): Add cast to enum type.
4066         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4067         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4068         * postreload.c (reload_cse_simplify_operands): Change rclass local
4069         to enum reg_class.
4070         * predict.c (combine_predictions_for_insn): Change best_predictor
4071         and predictor to enum br_predictor.
4072         (combine_predictions_for_bb): Likewise.
4073         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4074         use SET_PREDICT_EXPR_OUTCOME.
4075         * real.c (real_arithmetic): Change icode to code in function call.
4076         * reginfo.c (init_move_cost): Add casts to enum type.
4077         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4078         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4079         enum reg_class.
4080         * reload.c (find_valid_class): Add casts to enum type.
4081         (push_reload): Change 0 to NO_REGS in function call.
4082         (find_reloads): Change this_alternative to array of enum
4083         reg_class.  Remove some now-unnecessary casts.
4084         (make_memloc): Change 0 to VOIDmode in function call.
4085         * reload1.c (reload): Change 0 to VOIDmode in function call.
4086         (eliminate_regs_1, elimination_effects): Likewise.
4087         (eliminate_regs_in_insn): Likewise.
4088         (emit_input_reload_insns): Add cast to enum type.
4089         (delete_output_reload): Change 0 to VOIDmode in function call.
4090         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4091         to enum type in function call.
4092         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4093         (SET_PREDICT_EXPR_OUTCOME): Define.
4094         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4095         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4096         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4097         (dump_function): Likewise.
4098         * tree-dump.h: Update declarations.
4099         * tree-pass.h: Update declarations.
4100         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4101         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4102         enum type.
4103         (arm_rtx_costs_1): Correct parenthesization.
4104         (arm_rtx_costs): Add casts to enum type.
4105         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4106         (vfp_emit_fstmd): Use add_rg_note.
4107         (emit_multi_reg_push, emit_sfm): Likewise.
4108         (thumb_set_frame_pointer): Likewise.
4109         (arm_expand_prologue): Likewise.
4110         (arm_regno_class): Change return type to enum reg_class.
4111         (thumb1_expand_prologue): Use add_reg_note.
4112         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4113         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4114         in function call.
4115         * config/arm/gentune.sh: Add cast to enum type.
4116         * config/arm/arm-tune.md: Rebuild.
4117         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4118         (ix86_split_fp_branch, predict_jump): Likewise.
4119         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4120         insn_code to enum rtx_code.
4121         (ix86_builtin_vectorized_function): Add cast to enum type.
4122         * config/i386/i386.md (truncdfsf2): Change slot to enum
4123         ix86_stack_slot.
4124         (truncxf<mode>2, isinf<mode>2): Likewise.
4125         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4126         enum type.
4127         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4128         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4129         (insert_bundle_state): Change 1 to INSERT in function call.
4130         (ia64_add_bundle_selector_before): Likewise.
4131         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4132         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4133         (restore_stack_nonlocal): Likewise.
4134         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4135         function call.
4136         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4137         function call.
4138         (mips_rtx_costs): Likewise.
4139         (mips_override_options): Add casts to enum type.
4140         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4141         in function call.
4142         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4143         (store_reg, set_reg_plus_d): Likewise.
4144         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4145         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4146         cast to enum type.
4147         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4148         function call.
4149         (emit_unlikely_jump): Use add_reg_note.
4150         (rs6000_emit_allocate_stack): Likewise.
4151         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4152         (output_toc): Change 1 to INSERT in function call.
4153         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4154         (rs6000_initialize_trampoline): Likewise.
4155         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4156         function call.
4157         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4158         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4159         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4160         (save_gprs): Use add_reg_note.
4161         (s390_emit_prologue): Likewise.
4162         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4163         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4164         (sparc_fold_builtin): Add cast to enum type.
4165         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4166         enum insn_code.
4167         (spu_expand_prologue): Use add_reg_note.
4168         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4169
4170 2009-04-20  Ian Lance Taylor  <iant@google.com>
4171
4172         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4173         (c_parser_postfix_expression_after_primary): Get VEC for list of
4174         arguments.  Get original types of arguments.  Call
4175         build_function_call_vec.
4176         (cached_expr_list_1, cached_expr_list_2): New static variables.
4177         (c_parser_expr_list): Change return type to VEC *.  Add
4178         p_orig_types parameter.  Change all callers.
4179         (c_parser_release_expr): New static function.
4180         (c_parser_vec_to_tree_list): New static function.
4181         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4182         call build_function_call_vec.
4183         (build_function_call_vec): New function, based on old
4184         build_function_call.
4185         (convert_arguments): Remove nargs and argarray parameters.  Change
4186         values to a VEC.  Add origtypes parameter.
4187         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4188         (convert_for_assignment): Add origtype parameter.  Change all
4189         callers.  If warn_cxx_compat, check for conversion to an enum
4190         type when calling a function.
4191         (store_init_value): Add origtype parameter.  Change all callers.
4192         (digest_init): Likewise.
4193         (struct init_node): Add origtype field.
4194         (add_pending_init): Add origtype parameter.  Change all callers.
4195         (output_init_element): Likewise.
4196         (output_pending_init_elements): Pass origtype from init_node to
4197         output_init_element.
4198         (process_init_element): Pass origtype from c_expr to
4199         output_init_element.
4200         (c_finish_return): Add origtype parameter.  Change all callers.
4201         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4202         caller.
4203         (sync_resolve_params): Likewise.
4204         (sync_resolve_return): Change params to first_param.  Change caller.
4205         (resolve_overloaded_builtins): Change params to VEC *.  Change
4206         callers.  Save first parameter around call to build_function_call_vec.
4207         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4208         callers.  Call build_function_call_vec rather than
4209         build_function_call for cleanup.
4210         * c-tree.h: Update declarations.
4211         * c-common.h: Update declarations.
4212         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4213         params to first_param.
4214         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4215         params parameter from tree to void *.
4216         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4217         Change arglist parameter to have type void *, and to be a pointer
4218         to a VEC.
4219         * config/rs6000/rs6000-protos.h
4220         (altivec_resolve_overloaded_builtin): Update declaration.
4221         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4222         fnargs parameter to have type void *, and to be a pointer to a
4223         VEC.  Call build_function_call_vec instead of
4224         build_function_call.
4225         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4226
4227 2009-04-20  Joey Ye  <joey.ye@intel.com>
4228             Xuepeng Guo  <xuepeng.guo@intel.com>
4229             H.J. Lu  <hongjiu.lu@intel.com>
4230
4231         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4232
4233         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4234         (IX86_LEA_PRIORITY): Likewise.
4235         (distance_non_agu_define): New function.
4236         (distance_agu_use): Likewise.
4237         (ix86_lea_for_add_ok): Likewise.
4238         (ix86_dep_by_shift_count): Likewise.
4239
4240         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4241         should split for LEA.
4242
4243         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4244         function.
4245         (ix86_dep_by_shift_count): Likewise.
4246
4247 2009-04-20  Richard Guenther  <rguenther@suse.de>
4248
4249         * expr.c (handled_component_p): Move ...
4250         * tree.h (handled_component_p): ... here.
4251         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4252         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4253         and REALPART_EXPR to be in one group.
4254
4255 2009-04-20  Richard Guenther  <rguenther@suse.de>
4256
4257         * basic-block.h (get_all_dominated_blocks): Declare.
4258         * dominance.c (get_all_dominated_blocks): New function.
4259         * tree-cfg.c (get_all_dominated_blocks): Remove.
4260         (remove_edge_and_dominated_blocks): Adjust.
4261         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4262         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4263         instead of recursing.
4264
4265 2009-04-20  Doug Kwan  <dougkwan@google.com>
4266
4267         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4268         (struct cgraph_node_set_def): New type.
4269         (cgraph_node_set) New type. Also declare vector functions.
4270         (struct cgraph_node_set_element_def): New type.
4271         (cgraph_node_set_element): Ditto.
4272         (cgraph_node_set_iterator): New iterator type.
4273         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4274         cgraph_node_set_remove, dump_cgraph_node_set,
4275         debug_cgraph_node_set): New prototypes.
4276         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4277         cgraph_node_set_size): New inlines.
4278         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4279         including cgraph.h.
4280         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4281         argument to function 'write_summary'.
4282         * ipa.c: Include ggc.h.
4283         (hash_cgraph_node_set_element,
4284         eq_cgraph_node_set_element, cgraph_node_set_new,
4285         cgraph_node_set_add, cgraph_node_set_remove,
4286         cgraph_node_set_find, dump_cgraph_node_set,
4287         debug_cgraph_node_set): New functions.
4288         * Makefile.in (ipa.o): Add dependency on GGC_H.
4289
4290 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4291
4292         PR tree-optimization/39675
4293         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4294         check of the return code of vect_schedule_slp. Check that
4295         stmt_vec_info still exists for the statement, before checking its
4296         vectorization type.
4297
4298 2009-04-20  Michael Matz  <matz@suse.de>
4299
4300         * Makefile.in (generated_files): Take out $(simple_generated_c).
4301
4302 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4303
4304         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4305         (UINTPTR_TYPE):  Likewise.
4306
4307 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4308
4309         PR c/37481
4310         * c-typeck.c (digest_init): Check for initializing an array with a
4311         string literal.
4312
4313 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4314
4315         PR c/19771
4316         * c-semantics.c (pop_stmt_list): Propagate
4317         STATEMENT_LIST_HAS_LABEL to parent statement list.
4318
4319 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4320
4321         * config/mips/mips.h (mips_tune_attr): New macro.
4322         * config/mips/mips.md (cpu): Use it.
4323
4324 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4325
4326         PR c/38243
4327         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4328         declaring a tag.
4329
4330 2009-04-19  Diego Novillo  <dnovillo@google.com>
4331
4332         * toplev.c (compile_file): Move call to coverage_finish ...
4333         * cgraphunit.c (ipa_passes): ... here.
4334         Call cgraph_process_new_functions.
4335         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4336         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4337
4338 2009-04-19  Jan Hubicka  <jh@suse.cz>
4339
4340         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4341         cfun.
4342         (dump_cgraph_node): Dump can throw external flag.
4343         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4344
4345 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4346
4347         PR c/32061
4348         PR c++/36954
4349         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4350         * common.opt (Wlogical-op): Move from here...
4351         * c.opt (Wlogical-op): ... to here.
4352         * c-typeck.c (parser_build_binary_op): Update call to
4353         warn_logical_operator.
4354         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4355         extra_warnings.
4356         * c-common.c (warn_logical_op): Update.
4357         * c-common.h (warn_logical_op): Update declaration.
4358
4359 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4360
4361         * tree.c (protected_set_expr_location): Fix formatting.
4362
4363 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4364
4365         PR c/27676
4366         * c-typeck.c (readonly_warning): new.
4367         (build_unary_op, build_modify_expr): Use readonly_warning for
4368         storing into something readonly but not const-qualified.
4369
4370 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4371
4372         PR c/22367
4373         * c-typeck.c (build_unary_op): Check for taking address of
4374         expression of type void.
4375
4376 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4377
4378         PR c/35210
4379         * c-typeck.c (build_function_call): Check for calling a function
4380         with qualified void return types.  Call require_complete_type when
4381         generating a trap.
4382
4383 2009-04-18  Jan Hubicka  <jh@suse.cz>
4384
4385         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4386         Set nothrow flag.
4387         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4388         can_throw_external flag.
4389         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4390         * ipa-pure-const.c (ignore_edge): New function.
4391         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4392         only over can_throw_external edges.
4393         (local_pure_const): Add nothrow flag.
4394         * ipa-utils.c (searchc): Add ignore_edge callback.
4395         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4396         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4397         (set_nothrow_function_flags): Update cgraph.
4398         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4399
4400 2009-04-18  Richard Guenther  <rguenther@suse.de>
4401
4402         PR middle-end/39804
4403         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4404         (fold_stmt): ... this and ...
4405         (fold_stmt_inplace): ... this.
4406         (fold_stmt_1): Fold references in calls and asms.
4407         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4408
4409 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4410
4411         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4412         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4413
4414 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4415
4416         * tree.c (function_args_count): Remove.
4417         * tree.h: Remove the prototype for function_args_count.
4418
4419 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4420
4421         * tree-iterator.c (expr_only): Remove.
4422         * tree.h: Remove the prototype for expr_only.
4423
4424 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4425
4426         * reginfo.c (cannot_change_mode_set_regs): Remove.
4427         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4428
4429 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4430
4431         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4432         whether operands 0 and 1 overlaps.
4433
4434 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4435
4436         PR middle-end/36902
4437         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4438         pointer. Use warning_at instead of warning.
4439         (search_for_addr_array): Likewise.
4440         (check_array_bounds): Likewise.
4441         (check_all_array_refs): Check that the incoming edge is not in the
4442         list of edges to be removed.
4443         (check_all_array_refs): Avoid the temporal pointer.
4444         (vrp_visit_cond_stmt): Fix typo.
4445         (simplify_switch_using_ranges): Handle the case where the switch
4446         index is an integer constant.
4447
4448 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4449
4450         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4451
4452 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4453
4454         * doc/extend.texi, doc/invoke.texi: Fix typos.
4455
4456 2009-04-17  Cary Coutant  <ccoutant@google.com>
4457
4458         * tree-flow-inline.h (get_lineno): Fix inverted test.
4459
4460 2009-04-17  Diego Novillo  <dnovillo@google.com>
4461
4462         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4463         assertion for AVAIL_OUT.
4464
4465 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4466
4467         PR target/38627
4468         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4469         * config/sh/linux-atomic.asm: Likewise.
4470
4471 2009-04-17  Diego Novillo  <dnovillo@google.com>
4472
4473         * except.c (debug_eh_tree): New.
4474         (struct eh_region, struct eh_status): Move ...
4475         * except.h: ... here.
4476         (add_type_for_runtime): Declare extern.
4477         (lookup_type_for_runtime): Likewise.
4478         (debug_eh_tree): Declare.
4479         * Makefile.in (GTFILES): List except.h before except.c
4480
4481 2009-04-17  Diego Novillo  <dnovillo@google.com>
4482
4483         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4484         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4485         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4486         (find_vars_r): ... here.
4487         * tree-flow.h (find_referenced_vars_in): Declare.
4488         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4489         that AVAIL_OUT exists for BLOCK.
4490         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4491         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4492         (tree-parloops.o): Likewise.
4493
4494 2009-04-17  Simon Baldwin  <simonb@google.com>
4495
4496         * toplev.c (default_tree_printer): Add handling for %E format.
4497
4498 2009-04-17  Diego Novillo  <dnovillo@google.com>
4499
4500         * tree-pretty-print.c (dump_generic_node): Add break after
4501         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4502         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4503         FUNCTION_TYPE together.  Call print_struct_decl when printing
4504         structures and TDF_SLIM is not given.
4505         (print_struct_decl): Fix logic for detecting recursion.
4506
4507 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4508
4509         PR 31567
4510         * gcc.c (create_at_file): New.
4511         (compile_input_file_p): New.
4512         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4513         * main.c (main): Update call to toplev_main.
4514         * toplev.c (toplev_main): Change signature. Call expandargv.
4515         * toplev.h (toplev_main): Change signature.
4516
4517 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4518
4519         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4520         if the latter is not constant.
4521
4522 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4523
4524         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4525
4526 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4527
4528         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4529         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4530
4531 2009-04-17  Richard Guenther  <rguenther@suse.de>
4532
4533         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4534         Handle component references view-converting an invariant address.
4535
4536 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4537
4538         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4539         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4540         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4541         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4542         Use @deftypevr rather than @deftypevar.
4543
4544 2009-04-17  Richard Guenther  <rguenther@suse.de>
4545
4546         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4547         (get_prop_source_stmt): Likewise.
4548         (can_propagate_from): Likewise.
4549
4550 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4551
4552         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4553         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4554         (--with-multilib-list): Add default value.
4555         * configure: Regenerate.
4556         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4557         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4558         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4559         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4560         Don't add default cpu to multilib list unnecessarily, but do enable
4561         the relevant compiler option..
4562         Add support for --with-multilib-list=<blank> and
4563         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4564         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4565         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4566         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4567         TM_MULTILIB_CONFIG.
4568         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4569         (MULTILIB_OSDIRNAMES): New variable.
4570         * config/sh/t-1e: Delete file.
4571         * config/sh/t-mlib-sh1: Delete file.
4572         * config/sh/t-mlib-sh2: Delete file.
4573         * config/sh/t-mlib-sh2a: Delete file.
4574         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4575         * config/sh/t-mlib-sh2a-single: Delete file.
4576         * config/sh/t-mlib-sh2a-single-only: Delete file.
4577         * config/sh/t-mlib-sh2e: Delete file.
4578         * config/sh/t-mlib-sh3e: Delete file.
4579         * config/sh/t-mlib-sh4: Delete file.
4580         * config/sh/t-mlib-sh4-nofpu: Delete file.
4581         * config/sh/t-mlib-sh4-single: Delete file.
4582         * config/sh/t-mlib-sh4-single-only: Delete file.
4583         * config/sh/t-mlib-sh4a: Delete file.
4584         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4585         * config/sh/t-mlib-sh4a-single: Delete file.
4586         * config/sh/t-mlib-sh4a-single-only: Delete file.
4587         * config/sh/t-mlib-sh4al: Delete file.
4588         * config/sh/t-mlib-sh5-32media: Delete file.
4589         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4590         * config/sh/t-mlib-sh5-64media: Delete file.
4591         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4592         * config/sh/t-mlib-sh5-compact: Delete file.
4593         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4594         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4595         * doc/install.texi (Options specification): Add
4596         --with-multilib-list and --with-endian.
4597
4598 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4599
4600         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4601         REVISION_c.
4602         (OBJS-common): Add plugin-version.o.
4603         (plugin-version.o): New.
4604         * gcc-plugin.h (plugin_gcc_version): New.
4605         (plugin_default_version_check): New.
4606         (plugin_init_func, plugin_init): Add version argument.
4607         * plugin-version.c: New.
4608         * plugin.c (str_plugin_gcc_version_name): New.
4609         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4610         pass it to the init function.
4611         (plugin_default_version_check): New.
4612
4613 2009-04-17  Richard Guenther  <rguenther@suse.de>
4614
4615         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4616         for decl-vs-decl disambiguation.
4617
4618 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4619
4620         * config/s390/s390.h (s390_tune_attr): New macro definition.
4621         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4622
4623 2009-04-17  Richard Guenther  <rguenther@suse.de>
4624
4625         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4626         (fold_stmt_r): Likewise.
4627         (maybe_fold_reference): New function.
4628         (fold_gimple_assign): Handle cases fold_stmt_r did.
4629         (fold_stmt): Do not use fold_stmt_r.
4630         (fold_stmt_inplace): Likewise.
4631
4632 2009-04-17  Richard Guenther  <rguenther@suse.de>
4633
4634         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4635         (record_equivalences_from_stmt): Remove useless checks and
4636         simplifications.
4637         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4638         the type is already suitable.
4639
4640 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4641
4642         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4643
4644 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4645
4646         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4647         (CMPtype): Define as __gcc_CMPtype.
4648
4649 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4650
4651         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4652         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4653
4654 2009-04-17  Richard Guenther  <rguenther@suse.de>
4655
4656         PR tree-optimization/39746
4657         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4658         special-casing for builtins and static variable use/def.
4659         (call_may_clobber_ref_p_1): Likewise.
4660
4661 2009-04-16  Ian Lance Taylor  <iant@google.com>
4662
4663         * df.h: Include "timevar.h".
4664         (struct df_problem): Change tv_id field to timevar_id_t.
4665         * tree-pass.h: Include "timevar.h".
4666         (struct opt_pass): Change tv_id field to timevar_id_t.
4667         * timevar.h (timevar_id_t): Define TV_NONE.
4668         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4669         TV_NONE rather than tv_id != 0.
4670         (execute_one_pass): Likewise.
4671         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4672         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4673         dependencies to $(TREE_PASS_H).
4674         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4675         to TV_NONE.
4676         (pass_branch_target_load_optimize2): Likewise.
4677         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4678         (pass_outof_cfg_layout_mode): Likewise.
4679         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4680         (pass_rebuild_cgraph_edges): Likewise.
4681         (pass_remove_cgraph_callee_edges): Likewise.
4682         * df-core.c (pass_df_initialize_opt): Likewise.
4683         (pass_df_initialize_no_opt): Likewise.
4684         (pass_df_finish): Likewise.
4685         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4686         * except.c (pass_set_nothrow_function_flags): Likewise.
4687         (pass_convert_to_eh_region_ranges): Likewise.
4688         * final.c (pass_compute_alignments): Likewise.
4689         * function.c (pass_instantiate_virtual_regs): Likewise.
4690         (pass_init_function): Likewise.
4691         (pass_leaf_regs): Likewise.
4692         (pass_match_asm_constraints): Likewise.
4693         * gimple-low.c (pass_lower_cf): Likewise.
4694         (pass_mark_used_blocks): Likewise.
4695         * init-regs.c (pass_initialize_regs): Likewise.
4696         * integrate.c (pass_initial_value_sets): Likewise.
4697         * ira.c (pass_ira): Likewise.
4698         * jump.c (pass_cleanup_barriers): Likewise.
4699         * omp-low.c (pass_expand_omp): Likewise.
4700         (pass_lower_omp): Likewise.
4701         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4702         * recog.c (pass_split_all_insns): Likewise.
4703         (pass_split_after_reload): Likewise.
4704         (pass_split_before_regstack): Likewise.
4705         (pass_split_before_sched2): Likewise.
4706         (pass_split_for_shorten_branches): Likewise.
4707         * reginfo.c (pass_reginfo_init): Likewise.
4708         (pass_subregs_of_mode_init): Likewise.
4709         (pass_subregs_of_mode_finish): Likewise.
4710         * passes.c (pass_postreload): Likewise.
4711         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4712         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4713         (pass_warn_function_return): Likewise.
4714         (pass_warn_function_noreturn): Likewise.
4715         * tree-complex.c (pass_lower_complex): Likewise.
4716         (pass_lower_complex_O0): Likewise.
4717         * tree-if-conv.c (pass_if_conversion): Likewise.
4718         * tree-into-ssa.c (pass_build_ssa): Likewise.
4719         * tree-mudflap.c (pass_mudflap_1): Likewise.
4720         (pass_mudflap_2): Likewise.
4721         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4722         (pass_mudflap_2): Likewise.
4723         * tree-nrv.c (pass_return_slot): Likewise.
4724         * tree-object-size.c (pass_object_sizes): Likewise.
4725         * tree-optimize.c (pass_all_optimizations): Likewise.
4726         (pass_early_local_passes): Likewise.
4727         (pass_all_early_optimizations): Likewise.
4728         (pass_cleanup_cfg): Likewise.
4729         (pass_cleanup_cfg_post_optimizing): Likewise.
4730         (pass_free_datastructures): Likewise.
4731         (pass_free_cfg_annotations): Likewise.
4732         (pass_fixup_cfg): Likewise.
4733         (pass_init_datastructures): Likewise.
4734         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4735         (pass_late_warn_uninitialized): Likewise.
4736         (pass_update_address_taken): Likewise.
4737         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4738         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4739         (pass_cse_sincos): Likewise.
4740         (pass_convert_to_rsqrt): Likewise.
4741         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4742         * tree-stdarg.c (pass_stdarg): Likewise.
4743         * tree-tailcall.c (pass_tail_recursion): Likewise.
4744         (pass_tail_calls): Likewise.
4745         * tree-vect-generic.c (pass_lower_vector): Likewise.
4746         (pass_lower_vector_ssa): Likewise.
4747         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4748
4749 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4750
4751         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4752         XLR entry.
4753         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4754         Handle -march=xlr.
4755         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4756         logical and signext.
4757
4758 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4759
4760         PR target/39767
4761         * config/sh/predicates.md (arith_operand): Check if the operand
4762         of TRUNCATE is a REG.
4763
4764 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4765
4766         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4767         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4768
4769 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4770
4771         * tree-iterator.c (tsi_split_statement_list_after,
4772         tsi_split_statement_list_before): Remove.
4773         * tree-iterator.h: Remove the prototypes for
4774         tsi_split_statement_list_after and tsi_split_statement_list_before.
4775
4776 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4777
4778         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4779         * tree-ssa-propagate.h: Remove the prototype for
4780         stmt_makes_single_load.
4781
4782 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4783
4784         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4785         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4786
4787 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4788
4789         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4790
4791 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4792
4793         * except.c (eh_region_outer_p): Remove.
4794         * except.h: Remove the prototype for eh_region_outer_p.
4795
4796 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4797
4798         * function.c (current_function_assembler_name): Remove.
4799         * function.h: Remove the prototype for
4800         current_function_assembler_name.
4801
4802 2009-04-16  Ian Lance Taylor  <iant@google.com>
4803
4804         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4805         (add_reg_note): Call alloc_reg_note.
4806         * rtl.h (alloc_reg_note): Declare.
4807         * combine.c (try_combine): Use alloc_reg_note.
4808         (recog_for_combine, move_deaths): Likewise.
4809         (distribute_notes): Use alloc_reg_note and add_reg_note.
4810         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4811         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4812         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4813
4814 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4815
4816         PR rtl-optimization/39762
4817         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4818         ira_may_move_out_cost): Add comments about way of their usage.
4819         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4820
4821         * ira-conflicts.c (process_regs_for_copy): Use function
4822         ira_get_register_move_cost instead of global
4823         ira_register_move_cost.
4824
4825         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4826         color_pass, move_spill_restore, update_curr_costs): Ditto.
4827
4828         * ira-lives.c (process_single_reg_class_operands): Ditto.
4829
4830         * ira-emit.c (emit_move_list): Ditto.
4831
4832         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4833         (record_reg_classes): Ditto.  Use functions
4834         ira_get_register_move_cost and ira_get_may_move_cost instead of
4835         global vars ira_register_move_cost, ira_may_move_out_cost and
4836         ira_may_move_in_cost.
4837         (record_address_regs): Don't call ira_init_register_move_cost.
4838         Use function ira_get_may_move_cost instead of global
4839         ira_may_move_in_cost.
4840         (process_bb_node_for_hard_reg_moves): Use function
4841         ira_get_register_move_cost instead of global ira_register_move_cost.
4842         (ira_costs): Don't call ira_init_register_move_cost.
4843
4844 2009-04-16  Richard Guenther  <rguenther@suse.de>
4845
4846         * tree-cfg.c (verify_gimple_assign_binary):
4847         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4848         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4849         (create_general_new_stmt): Note that this function is broken.
4850
4851 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4852
4853         * common.opt (fhelp): Add Var(help_flag).
4854         * gcc-plugin.h (plugin_info): Add help.
4855         * plugin.c (plugin_name_args): Add help.
4856         (register_plugin_info): Set plugin->help.
4857         (print_help_one_plugin): New.
4858         (print_plugins_help): New.
4859         * plugin.h (print_plugins_help): New.
4860         * toplev.c (toplev_main): Call print_plugins_help if needed.
4861
4862 2009-04-16  Richard Guenther  <rguenther@suse.de>
4863
4864         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4865         (gimple_ior_addresses_taken_1): New function.
4866         (gimple_ior_addresses_taken): Likewise.
4867         * gimple.h (struct gimple_statement_with_ops_base): Remove
4868         addresses_taken member.
4869         (gimple_ior_addresses_taken): Declare.
4870         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4871         gimple_set_addresses_taken): Remove.
4872         * ipa-reference.c (mark_address): New function.
4873         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4874         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4875         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4876         (gimple_add_to_addresses_taken): Remove.
4877         (get_tmr_operands): Call mark_address_taken.
4878         (get_asm_expr_operands): Likewise.
4879         (get_expr_operands): Likewise.
4880         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4881         (free_stmt_operands): Do not free it.
4882         * tree-ssa.c (delete_tree_ssa): Likewise.
4883         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4884
4885 2009-04-16  Richard Guenther  <rguenther@suse.de>
4886
4887         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4888         (walk_stmt_load_store_ops): Likewise.
4889         * gimple.c (get_base_loadstore): New function.
4890         (walk_stmt_load_store_addr_ops): Likewise.
4891         (walk_stmt_load_store_ops): Likewise.
4892         * ipa-pure-const.c (check_op): Simplify.
4893         (check_load, check_store): New functions.
4894         (check_stmt): Use walk_stmt_load_store_ops.
4895         * ipa-reference.c (mark_load): Adjust signature.
4896         (mark_store): Likewise.
4897         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4898
4899 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4900
4901         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4902         (plugin_info): New.
4903         * opts.c (common_handle_option): Don't call print_version.
4904         * plugin.c (plugin_name_args): Add version.
4905         (register_plugin_info): New.
4906         (register_callback): Handle PLUGIN_INFO.
4907         (try_init_one_plugin): New.
4908         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4909         if failed to init.
4910         (finalize_one_plugin): New.
4911         (finalize_plugins): New.
4912         (print_one_plugin): New.
4913         (print_plugins_versions): New.
4914         * plugin.h (print_plugins_versions): New.
4915         (finalize_plugins): New.
4916         * toplev.c (compile_file): Don't call initialize_plugins.
4917         (print_version): Call print_plugins_versions.
4918         (toplev_main): Call initialize_plugins. Print version if needed.
4919         Call finalize_plugins.
4920
4921 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4922
4923         * common.opt (fversion): New.
4924         * gcc.c (print_version): New.
4925         (process_command): Don't print the version. Just set print_version.
4926         (main): Print version. Call subprocesses if print_version and
4927         verbose_flag are set.
4928         * opts.c (common_handle_option): Handle OPT_fversion.
4929
4930 2009-04-16  Richard Guenther  <rguenther@suse.de>
4931             Ira Rosen  <irar@il.ibm.com>
4932
4933         PR tree-optimization/39698
4934         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4935         type of the reduction variable.  Only generate the def if
4936         it is needed.
4937
4938         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4939         make sure to first convert to an integer of the same precision.
4940         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4941         the type of the evolution correctly in computing the new
4942         induction variable base.
4943
4944 2009-04-16  Richard Guenther  <rguenther@suse.de>
4945
4946         PR middle-end/39625
4947         * tree-cfg.c (make_blocks): Split statements with to-be
4948         abnormal SSA names on the lhs.
4949
4950 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4951
4952         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4953         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4954         * c-typeck.c (really_start_incremental_init): Likewise.
4955         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4956         (TARGET_INITIALIZER): Remove it.
4957         * target.h (struct target): Remove vector_opaque_p.
4958         * tree.c (build_opaque_vector_type): New.
4959         * tree.h (TYPE_VECTOR_OPAQUE): New.
4960         (build_opaque_vector_type): Declare.
4961         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4962         * config/rs6000/rs6000.c (build_opaque_vector_type,
4963         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4964         (rs6000_init_builtins): Use build_opaque_vector_type for
4965         opaque_V4SI_type_node.
4966
4967 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4968
4969         * debug.h (set_name):  Declare.
4970         * dwarf2out.c (dwarf2out_set_name): Declare.
4971         (dwarf2_debug_hooks): Add set_name.
4972         (find_AT_string): New.
4973         (add_AT_string): Call find_AT_string.
4974         (dwarf2out_set_name): New.
4975         * cp/decl.c (grokdeclarator): Call set_name.
4976         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4977         * debug.c (do_nothing_debug_hooks):  Likewise.
4978         * dbxout.c (dbx_debug_hooks): Likewise.
4979         * sdbout.c (sdb_debug_hooks): Likewise.
4980
4981 2009-04-15  Michael Eager  <eager@eagercon.com>
4982
4983         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4984         reg for single-precision FPU.
4985         * config/rs6000/rs6000.md (movsi_internal1): Only for
4986         !TARGET_SINGLE_FPU.
4987         (movsi_internal1_single): New. Add pattern to move SI values to/from
4988         single-precision FP regs.
4989
4990 2009-04-15  Richard Guenther  <rguenther@suse.de>
4991
4992         * omp-low.c (lower_rec_input_clauses): Build correct address
4993         expressions.
4994         (expand_omp_for_generic): Fix multiplication type.
4995         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4996         (generate_memset_zero): Fix types.
4997         * tree-profile.c (prepare_instrumented_value): Correctly
4998         widen a pointer.
4999
5000 2009-04-15  Ian Lance Taylor  <iant@google.com>
5001
5002         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5003         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5004         for -Wall and for -Wc++-compat.
5005         (c_common_post_options): For C++, set warn_enum_compare if not
5006         already set.
5007         * c-tree.h (struct c_expr): Add field original_type.
5008         (build_external_ref): Update declaration.
5009         * c-parser.c (c_parser_braced_init): Set original_type.
5010         (c_parser_initelt): Likewise.
5011         (c_parser_expr_no_commas): Likewise.
5012         (c_parser_conditional_expression): Likewise.
5013         (c_parser_cast_expression): Likewise.
5014         (c_parser_unary_expression): Likewise.  Pull setting of
5015         original_code to top of function.
5016         (c_parser_sizeof_expression): Set original_type.
5017         (c_parser_alignof_expression): Likewise.
5018         (c_parser_postfix_expression): Likewise.  Pull setting of
5019         original_code to top of function.
5020         (c_parser_postfix_expression_after_paren_type): Set original_type.
5021         (c_parser_postfix_expression_after_primary): Likewise.
5022         (c_parser_expression): Likewise.
5023         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5024         callers.
5025         (c_expr_sizeof_expr): Set original_type field.
5026         (parser_build_unary_op): Likewise.
5027         (parser_build_binary_op): Likewise.  Optionally warn about
5028         comparisons of enums of different types.
5029         (digest_init): Set original_type field.
5030         (really_start_incremental_init): Likewise.
5031         (push_init_level, pop_init_level): Likewise.
5032         * doc/invoke.texi (Warning Options): -Wenum-compare now
5033         supported in C.
5034
5035 2009-04-15  Richard Guenther  <rguenther@suse.de>
5036
5037         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5038         out a necessary conversion.
5039         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5040         names we didn't value number.
5041         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5042
5043 2009-04-15  Richard Guenther  <rguenther@suse.de>
5044
5045         PR tree-optimization/39764
5046         * tree-ssa-ccp.c (get_value): Canonicalize value with
5047         canonicalize_float_value.
5048
5049 2009-04-15  Jan Hubicka  <jh@suse.cz>
5050
5051         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5052         Wrong version of patch.
5053
5054 2009-04-15  Jan Hubicka  <jh@suse.cz>
5055
5056         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5057
5058 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5059
5060         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5061         our distinct integral and vector types.
5062
5063 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5064
5065         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5066         * init.c (build_vtbl_address): Remove call to assemble_external.
5067
5068 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5069
5070         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5071         output for other floating point modes.
5072
5073 2009-04-14  Diego Novillo  <dnovillo@google.com>
5074
5075         * diagnostic.c (diagnostic_report_diagnostic): Do not
5076         warn about loaded plugins for DK_ERROR and DK_WARNING.
5077         * c-decl.c (declspecs_add_type): Move call to
5078         invoke_plugin_callbacks ...
5079         * c-parser.c (c_parser_declspecs): ... here.
5080         * plugin.c (dump_active_plugins): Tidy output.
5081
5082 2009-04-14  Diego Novillo  <dnovillo@google.com>
5083             Le-Chun Wu  <lcwu@google.com>
5084
5085         * configure.ac: Add --enable-plugin support.
5086         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5087         * Makefile.in (PLUGIN_H): Define.
5088         Export ENABLE_PLUGIN and GMPINC to site.exp.
5089         Add PLUGINLIBS to link command.
5090         Add/modify dependencies for plugin.o and files including plugin.h.
5091         (plugin.o): New.
5092         * config.in: Regenerate.
5093
5094         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5095         OPT_fplugin_arg_.
5096
5097 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5098
5099         * tree-pass.h (register_one_dump_file): Add a prototype for
5100         register_one_dump_file.
5101         * toplev.c (compile_file): Call initialize_plugins.
5102         (do_compile): Call invoke_plugin_callbacks.
5103         (toplev_main): Call invoke_plugin_callbacks.
5104         * common.opt: Add -fplugin= and -fplugin-arg-.
5105         * gcc-plugin.h: New public header file for plugins to include.
5106         * plugin.c: New source file.
5107         * plugin.h: New internal header file.
5108         * passes.c (register_one_dump_file): Make it external.
5109
5110         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5111
5112 2009-04-14  Diego Novillo  <dnovillo@google.com>
5113
5114         * doc/plugins.texi: New.
5115         * doc/gccint.texi: Add reference to Plugins chapter.
5116         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5117         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5118         loaded plugins, if any.
5119         * timevar.def (TV_PLUGIN_INIT): Define.
5120         (TV_PLUGIN_RUN): Define.
5121         * plugin.c: Include timevar.h
5122         (plugins_active_p): New.
5123         (dump_active_plugins): New.
5124         (debug_active_plugins): New.
5125
5126 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5127
5128         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5129         library paths.
5130         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5131
5132 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5133
5134         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5135         the same as a minus without a shift.
5136
5137 2009-04-14  Nick Clifton  <nickc@redhat.com>
5138
5139         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5140         comparisons with small integers will always produce a short
5141         branch.
5142
5143 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5144
5145         Merge:
5146         2008-12-19  Diego Novillo  <dnovillo@google.com>
5147
5148         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5149
5150 2009-04-14  Richard Guenther  <rguenther@suse.de>
5151
5152         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5153         verification.
5154         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5155         rotates correctly.
5156         (verify_gimple_phi): Print the mismatched argument position.
5157         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5158         Fix types.
5159         (vect_update_init_of_dr): Likewise.
5160         * matrix-reorg.c (transform_access_sites): Do what the
5161         comment suggests.
5162         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5163
5164 2009-04-13  Michael Eager  <eager@eagercon.com>
5165
5166         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5167         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5168         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5169         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5170         remove duplicate config
5171
5172 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5173
5174         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5175         file_name:line_number type locator of the call site.
5176
5177 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5178
5179         * genautomata.c: Put blank after comma.
5180         (automaton_decls): New.
5181         (struct unit_usage): Add comments to member next.
5182         (store_alt_unit_usage): Keep the list ordered.
5183         (unit_present_on_list_p, equal_alternatives_p): New.
5184         (check_regexp_units_distribution): Check units distribution
5185         correctness correctly.
5186         (main): Don't write automata if error is found.  Return correct
5187         exit code.
5188
5189         * config/m68k/cf.md (cfv4_ds): Remove.
5190         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5191         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5192
5193         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5194         power4-load-ext, power4-store, power4-store-update,
5195         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5196         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5197         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5198         power4-sqrt, power4-isync): Modify reservation to make correct
5199         unit distribution to automata.
5200
5201         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5202         power5-store-update, power5-two, power5-three, power5-lmul,
5203         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5204
5205 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5206
5207         * except.c (pass_set_nothrow_function_flags): Set name and add
5208         TODO_dump_func.
5209         (set_nothrow_function_flags): Mention in the dump file when
5210         changing a function to nothrow.
5211
5212 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5213
5214         PR/39066
5215         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5216         instead of unsigned long.
5217
5218 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5219
5220         * config/arm/arm.c (return_used_this_function): Remove.
5221         (arm_output_function_prologue): Remove use of
5222         return_used_this_function.
5223         (output_return_instruction): Replace use of
5224         return_used_this_function
5225         by cfun->machine->return_used_this_function.
5226         (arm_output_epilogue): Likewise.
5227         (arm_output_function_epilogue): Likewise.
5228         (thumb_unexpanded_epilogue): Likewise.
5229         * config/arm/arm.h (struct machine_function):
5230         New member return_used_this_function.
5231
5232 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5233
5234         * doc/install.texi: Correct description of default directory for
5235         --with-gxx-include-dir.
5236
5237 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5238
5239         * fold-const.c (build_range_check): Properly deal with enumeral and
5240         boolean base types.
5241
5242 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5243
5244         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5245         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5246         * params.h (MAX_GCSE_PASSES): Remove.
5247         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5248         in sequence.  Remove ability to run multiple passes.
5249         (bypass_jumps): Report run as third CPROP pass.
5250
5251 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5252
5253         PR middle-end/39651
5254         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5255         when deciding whether the whole SEQUENCE can throw.
5256
5257 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5258
5259         PR target/39740
5260         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5261         offseted label references.
5262
5263 2009-04-11  Jan Hubicka  <jh@suse.cz>
5264
5265         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5266
5267 2009-04-11  Richard Guenther  <rguenther@suse.de>
5268
5269         PR middle-end/39732
5270         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5271         return variables as TREE_ADDRESSABLE.
5272
5273 2009-04-11  Richard Guenther  <rguenther@suse.de>
5274
5275         PR tree-optimization/39713
5276         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5277         reference trees have SSA_NAME operands.
5278
5279 2009-04-11  Richard Guenther  <rguenther@suse.de>
5280
5281         PR c/39712
5282         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5283         address expressions.
5284
5285 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5286
5287         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5288         match changes in Cygwin 1.7
5289         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5290         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5291
5292 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5293
5294         PR tree-optimization/39701
5295         * doc/invoke.texi (Optimization Options): Document change in
5296         meaning and initialization of -fdelete-null-pointer-checks.
5297
5298 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5299
5300         PR middle-end/39701
5301         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5302
5303         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5304         here.
5305
5306         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5307
5308 2009-04-10  Chao-ying Fu  <fu@mips.com>
5309
5310         * doc/tm.texi (Instruction Output): Document
5311         TARGET_ASM_FINAL_POSTSCAN_INSN.
5312         * target.h (final_postscan_insn): New field in asm_out.
5313         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5314         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5315         * final.c (final_scan_insn): Call
5316         targetm.asm_out.final_postscan_insn after outputting
5317         an asm macro and a normal instruction.
5318
5319         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5320         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5321         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5322         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5323         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5324
5325 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5326
5327         PR middle-end/39701
5328         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5329         variables as non-NULL even with -fdelete-null-pointer-checks.
5330
5331 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5332
5333         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5334
5335 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5336
5337         PR target/39678
5338         * config/i386/i386.c (classify_argument): Handle SCmode with
5339         (bit_offset % 64) != 0.
5340
5341 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5342
5343         * doc/invoke.texi (Optimize Options): Add cross-reference to
5344         -Q --help=optimizers examples.
5345
5346 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5347
5348         PR target/36800
5349         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5350         regalign for the reg == fpr and TDmode case.
5351
5352 2009-04-09  David Ayers  <ayers@fsfe.org>
5353
5354         PR objc/29200
5355         * objc/objc-act.c (warn_with_method): Remove helper function.
5356         (check_duplicates): Call warning and inform directly.
5357         (really_start_method): Likewise.
5358
5359 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5360
5361         * expmed.c (expand_divmod): Always use a comparison for a division
5362         by a large unsigned integer.
5363
5364         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5365         for things others than variables or functions as nonzero.
5366
5367 2009-04-09  Nick Clifton  <nickc@redhat.com>
5368
5369         * unwind-compat.c: Change copyright header to refer to version
5370         3 of the GNU General Public License with version 3.1 of the
5371         GCC Runtime Library Exception and to point readers at the
5372         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5373         * config/alpha/crtfastmath.c: Likewise.
5374         * config/alpha/linux-unwind.h: Likewise.
5375         * config/alpha/qrnnd.asm: Likewise.
5376         * config/alpha/vms-crt0-64.c: Likewise.
5377         * config/alpha/vms-crt0.c: Likewise.
5378         * config/alpha/vms-dwarf2.asm: Likewise.
5379         * config/alpha/vms-dwarf2eh.asm: Likewise.
5380         * config/alpha/vms-psxcrt0-64.c: Likewise.
5381         * config/alpha/vms-psxcrt0.c: Likewise.
5382         * config/alpha/vms_tramp.asm: Likewise.
5383         * config/arc/initfini.c: Likewise.
5384         * config/arc/lib1funcs.asm: Likewise.
5385         * config/arm/bpabi-v6m.S: Likewise.
5386         * config/arm/bpabi.S: Likewise.
5387         * config/arm/bpabi.c: Likewise.
5388         * config/arm/crti.asm: Likewise.
5389         * config/arm/crtn.asm: Likewise.
5390         * config/arm/ieee754-df.S: Likewise.
5391         * config/arm/ieee754-sf.S: Likewise.
5392         * config/arm/lib1funcs.asm: Likewise.
5393         * config/arm/libunwind.S: Likewise.
5394         * config/arm/linux-atomic.c: Likewise.
5395         * config/arm/mmintrin.h: Likewise.
5396         * config/arm/pr-support.c: Likewise.
5397         * config/arm/unaligned-funcs.c: Likewise.
5398         * config/arm/unwind-arm.c: Likewise.
5399         * config/arm/unwind-arm.h: Likewise.
5400         * config/avr/libgcc.S: Likewise.
5401         * config/bfin/crti.s: Likewise.
5402         * config/bfin/crtlibid.s: Likewise.
5403         * config/bfin/crtn.s: Likewise.
5404         * config/bfin/lib1funcs.asm: Likewise.
5405         * config/bfin/linux-unwind.h: Likewise.
5406         * config/cris/arit.c: Likewise.
5407         * config/cris/cris_abi_symbol.c: Likewise.
5408         * config/darwin-64.c: Likewise.
5409         * config/darwin-crt2.c: Likewise.
5410         * config/darwin-crt3.c: Likewise.
5411         * config/darwin.h: Likewise.
5412         * config/dbxelf.h: Likewise.
5413         * config/dfp-bit.c: Likewise.
5414         * config/dfp-bit.h: Likewise.
5415         * config/elfos.h: Likewise.
5416         * config/fixed-bit.c: Likewise.
5417         * config/fixed-bit.h: Likewise.
5418         * config/fp-bit.c: Likewise.
5419         * config/fp-bit.h: Likewise.
5420         * config/fr30/crti.asm: Likewise.
5421         * config/fr30/crtn.asm: Likewise.
5422         * config/fr30/lib1funcs.asm: Likewise.
5423         * config/freebsd-spec.h: Likewise.
5424         * config/frv/cmovd.c: Likewise.
5425         * config/frv/cmovh.c: Likewise.
5426         * config/frv/cmovw.c: Likewise.
5427         * config/frv/frvbegin.c: Likewise.
5428         * config/frv/frvend.c: Likewise.
5429         * config/frv/lib1funcs.asm: Likewise.
5430         * config/glibc-stdint.h: Likewise.
5431         * config/h8300/clzhi2.c: Likewise.
5432         * config/h8300/crti.asm: Likewise.
5433         * config/h8300/crtn.asm: Likewise.
5434         * config/h8300/ctzhi2.c: Likewise.
5435         * config/h8300/fixunssfsi.c: Likewise.
5436         * config/h8300/lib1funcs.asm: Likewise.
5437         * config/h8300/parityhi2.c: Likewise.
5438         * config/h8300/popcounthi2.c: Likewise.
5439         * config/i386/ammintrin.h: Likewise.
5440         * config/i386/att.h: Likewise.
5441         * config/i386/avxintrin.h: Likewise.
5442         * config/i386/biarch64.h: Likewise.
5443         * config/i386/bmmintrin.h: Likewise.
5444         * config/i386/cpuid.h: Likewise.
5445         * config/i386/cross-stdarg.h: Likewise.
5446         * config/i386/crtfastmath.c: Likewise.
5447         * config/i386/crtprec.c: Likewise.
5448         * config/i386/cygming-crtbegin.c: Likewise.
5449         * config/i386/cygming-crtend.c: Likewise.
5450         * config/i386/cygwin.asm: Likewise.
5451         * config/i386/emmintrin.h: Likewise.
5452         * config/i386/gmm_malloc.h: Likewise.
5453         * config/i386/gthr-win32.c: Likewise.
5454         * config/i386/i386.h: Likewise.
5455         * config/i386/immintrin.h: Likewise.
5456         * config/i386/linux-unwind.h: Likewise.
5457         * config/i386/linux64.h: Likewise.
5458         * config/i386/mm3dnow.h: Likewise.
5459         * config/i386/mmintrin-common.h: Likewise.
5460         * config/i386/mmintrin.h: Likewise.
5461         * config/i386/nmmintrin.h: Likewise.
5462         * config/i386/pmm_malloc.h: Likewise.
5463         * config/i386/pmmintrin.h: Likewise.
5464         * config/i386/smmintrin.h: Likewise.
5465         * config/i386/sol2-c1.asm: Likewise.
5466         * config/i386/sol2-ci.asm: Likewise.
5467         * config/i386/sol2-cn.asm: Likewise.
5468         * config/i386/sol2-gc1.asm: Likewise.
5469         * config/i386/tmmintrin.h: Likewise.
5470         * config/i386/unix.h: Likewise.
5471         * config/i386/w32-unwind.h: Likewise.
5472         * config/i386/wmmintrin.h: Likewise.
5473         * config/i386/x86-64.h: Likewise.
5474         * config/i386/x86intrin.h: Likewise.
5475         * config/i386/xmmintrin.h: Likewise.
5476         * config/ia64/crtbegin.asm: Likewise.
5477         * config/ia64/crtend.asm: Likewise.
5478         * config/ia64/crtfastmath.c: Likewise.
5479         * config/ia64/crti.asm: Likewise.
5480         * config/ia64/crtn.asm: Likewise.
5481         * config/ia64/fde-glibc.c: Likewise.
5482         * config/ia64/lib1funcs.asm: Likewise.
5483         * config/ia64/linux-unwind.h: Likewise.
5484         * config/ia64/quadlib.c: Likewise.
5485         * config/ia64/unwind-ia64.c: Likewise.
5486         * config/linux.h: Likewise.
5487         * config/m32c/m32c-lib1.S: Likewise.
5488         * config/m32c/m32c-lib2-trapv.c: Likewise.
5489         * config/m32c/m32c-lib2.c: Likewise.
5490         * config/m32r/initfini.c: Likewise.
5491         * config/m68hc11/larith.asm: Likewise.
5492         * config/m68hc11/m68hc11-crt0.S: Likewise.
5493         * config/m68k/cf.md: Likewise.
5494         * config/m68k/crti.s: Likewise.
5495         * config/m68k/crtn.s: Likewise.
5496         * config/m68k/lb1sf68.asm: Likewise.
5497         * config/m68k/linux-unwind.h: Likewise.
5498         * config/mcore/crti.asm: Likewise.
5499         * config/mcore/crtn.asm: Likewise.
5500         * config/mcore/lib1.asm: Likewise.
5501         * config/mips/linux-unwind.h: Likewise.
5502         * config/mips/loongson.h: Likewise.
5503         * config/mips/mips16.S: Likewise.
5504         * config/mmix/crti.asm: Likewise.
5505         * config/mmix/crtn.asm: Likewise.
5506         * config/pa/fptr.c: Likewise.
5507         * config/pa/hpux-unwind.h: Likewise.
5508         * config/pa/lib2funcs.asm: Likewise.
5509         * config/pa/linux-atomic.c: Likewise.
5510         * config/pa/linux-unwind.h: Likewise.
5511         * config/pa/milli64.S: Likewise.
5512         * config/pa/quadlib.c: Likewise.
5513         * config/pa/stublib.c: Likewise.
5514         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5515         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5516         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5517         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5518         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5519         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5520         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5521         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5522         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5523         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5524         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5525         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5526         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5527         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5528         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5529         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5530         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5531         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5532         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5533         * config/rs6000/750cl.h: Likewise.
5534         * config/rs6000/altivec.h: Likewise.
5535         * config/rs6000/biarch64.h: Likewise.
5536         * config/rs6000/crtresfpr.asm: Likewise.
5537         * config/rs6000/crtresgpr.asm: Likewise.
5538         * config/rs6000/crtresxfpr.asm: Likewise.
5539         * config/rs6000/crtresxgpr.asm: Likewise.
5540         * config/rs6000/crtsavfpr.asm: Likewise.
5541         * config/rs6000/crtsavgpr.asm: Likewise.
5542         * config/rs6000/darwin-asm.h: Likewise.
5543         * config/rs6000/darwin-fallback.c: Likewise.
5544         * config/rs6000/darwin-fpsave.asm: Likewise.
5545         * config/rs6000/darwin-ldouble.c: Likewise.
5546         * config/rs6000/darwin-tramp.asm: Likewise.
5547         * config/rs6000/darwin-unwind.h: Likewise.
5548         * config/rs6000/darwin-vecsave.asm: Likewise.
5549         * config/rs6000/darwin-world.asm: Likewise.
5550         * config/rs6000/e500crtres32gpr.asm: Likewise.
5551         * config/rs6000/e500crtres64gpr.asm: Likewise.
5552         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5553         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5554         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5555         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5556         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5557         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5558         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5559         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5560         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5561         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5562         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5563         * config/rs6000/eabi-ci.asm: Likewise.
5564         * config/rs6000/eabi-cn.asm: Likewise.
5565         * config/rs6000/eabi.asm: Likewise.
5566         * config/rs6000/linux-unwind.h: Likewise.
5567         * config/rs6000/linux64.h: Likewise.
5568         * config/rs6000/paired.h: Likewise.
5569         * config/rs6000/paired.md: Likewise.
5570         * config/rs6000/ppc64-fp.c: Likewise.
5571         * config/rs6000/ppu_intrinsics.h: Likewise.
5572         * config/rs6000/rs6000.h: Likewise.
5573         * config/rs6000/si2vmx.h: Likewise.
5574         * config/rs6000/sol-ci.asm: Likewise.
5575         * config/rs6000/sol-cn.asm: Likewise.
5576         * config/rs6000/spe.h: Likewise.
5577         * config/rs6000/spu2vmx.h: Likewise.
5578         * config/rs6000/sysv4.h: Likewise.
5579         * config/rs6000/tramp.asm: Likewise.
5580         * config/rs6000/vec_types.h: Likewise.
5581         * config/s390/linux-unwind.h: Likewise.
5582         * config/s390/tpf-unwind.h: Likewise.
5583         * config/score/crti.asm: Likewise.
5584         * config/score/crtn.asm: Likewise.
5585         * config/sh/crt1.asm: Likewise.
5586         * config/sh/crti.asm: Likewise.
5587         * config/sh/crtn.asm: Likewise.
5588         * config/sh/divtab-sh4-300.c: Likewise.
5589         * config/sh/divtab-sh4.c: Likewise.
5590         * config/sh/divtab.c: Likewise.
5591         * config/sh/lib1funcs-4-300.asm: Likewise.
5592         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5593         * config/sh/lib1funcs.asm: Likewise.
5594         * config/sh/lib1funcs.h: Likewise.
5595         * config/sh/linux-atomic.asm: Likewise.
5596         * config/sh/linux-unwind.h: Likewise.
5597         * config/sh/shmedia.h: Likewise.
5598         * config/sh/sshmedia.h: Likewise.
5599         * config/sh/ushmedia.h: Likewise.
5600         * config/sparc/crtfastmath.c: Likewise.
5601         * config/sparc/linux-unwind.h: Likewise.
5602         * config/sparc/sol2-c1.asm: Likewise.
5603         * config/sparc/sol2-ci.asm: Likewise.
5604         * config/sparc/sol2-cn.asm: Likewise.
5605         * config/spu/divmodti4.c: Likewise.
5606         * config/spu/divv2df3.c: Likewise.
5607         * config/spu/float_disf.c: Likewise.
5608         * config/spu/float_unsdidf.c: Likewise.
5609         * config/spu/float_unsdisf.c: Likewise.
5610         * config/spu/float_unssidf.c: Likewise.
5611         * config/spu/mfc_multi_tag_release.c: Likewise.
5612         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5613         * config/spu/mfc_tag_release.c: Likewise.
5614         * config/spu/mfc_tag_reserve.c: Likewise.
5615         * config/spu/mfc_tag_table.c: Likewise.
5616         * config/spu/multi3.c: Likewise.
5617         * config/spu/spu_internals.h: Likewise.
5618         * config/spu/spu_intrinsics.h: Likewise.
5619         * config/spu/spu_mfcio.h: Likewise.
5620         * config/spu/vec_types.h: Likewise.
5621         * config/spu/vmx2spu.h: Likewise.
5622         * config/stormy16/stormy16-lib2.c: Likewise.
5623         * config/svr4.h: Likewise.
5624         * config/sync.c: Likewise.
5625         * config/v850/lib1funcs.asm: Likewise.
5626         * config/vxlib-tls.c: Likewise.
5627         * config/vxlib.c: Likewise.
5628         * config/vxworks-dummy.h: Likewise.
5629         * config/xtensa/crti.asm: Likewise.
5630         * config/xtensa/crtn.asm: Likewise.
5631         * config/xtensa/ieee754-df.S: Likewise.
5632         * config/xtensa/ieee754-sf.S: Likewise.
5633         * config/xtensa/lib1funcs.asm: Likewise.
5634         * config/xtensa/lib2funcs.S: Likewise.
5635         * config/xtensa/linux-unwind.h: Likewise.
5636         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5637         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5638         * coretypes.h: Likewise.
5639         * crtstuff.c: Likewise.
5640         * defaults.h: Likewise.
5641         * dwarf2.h: Likewise.
5642         * emutls.c: Likewise.
5643         * gbl-ctors.h: Likewise.
5644         * gcov-io.h: Likewise.
5645         * ginclude/float.h: Likewise.
5646         * ginclude/iso646.h: Likewise.
5647         * ginclude/stdarg.h: Likewise.
5648         * ginclude/stdbool.h: Likewise.
5649         * ginclude/stddef.h: Likewise.
5650         * ginclude/stdfix.h: Likewise.
5651         * ginclude/stdint-gcc.h: Likewise.
5652         * ginclude/tgmath.h: Likewise.
5653         * gthr-aix.h: Likewise.
5654         * gthr-dce.h: Likewise.
5655         * gthr-gnat.c: Likewise.
5656         * gthr-gnat.h: Likewise.
5657         * gthr-lynx.h: Likewise.
5658         * gthr-mipssde.h: Likewise.
5659         * gthr-nks.h: Likewise.
5660         * gthr-posix.c: Likewise.
5661         * gthr-posix.h: Likewise.
5662         * gthr-posix95.h: Likewise.
5663         * gthr-rtems.h: Likewise.
5664         * gthr-single.h: Likewise.
5665         * gthr-solaris.h: Likewise.
5666         * gthr-tpf.h: Likewise.
5667         * gthr-vxworks.h: Likewise.
5668         * gthr-win32.h: Likewise.
5669         * gthr.h: Likewise.
5670         * libgcc2.c: Likewise.
5671         * libgcc2.h: Likewise.
5672         * libgcov.c: Likewise.
5673         * tsystem.h: Likewise.
5674         * typeclass.h: Likewise.
5675         * unwind-c.c: Likewise.
5676         * unwind-compat.h: Likewise.
5677         * unwind-dw2-fde-compat.c: Likewise.
5678         * unwind-dw2-fde-darwin.c: Likewise.
5679         * unwind-dw2-fde-glibc.c: Likewise.
5680         * unwind-dw2-fde.c: Likewise.
5681         * unwind-dw2-fde.h: Likewise.
5682         * unwind-dw2.c: Likewise.
5683         * unwind-dw2.h: Likewise.
5684         * unwind-generic.h: Likewise.
5685         * unwind-pe.h: Likewise.
5686         * unwind-sjlj.c: Likewise.
5687         * unwind.inc: Likewise.
5688         * config/arm/neon-gen.ml: Change generated copyright header to
5689         refer to version 3 of the GNU General Public License with
5690         version 3.1 of the GCC Runtime Library Exception and to point
5691         readers at the COPYING3 and COPYING3.RUNTIME files and the
5692         FSF's license web page.
5693         * config/arm/arm_neon.h: Regenerate.
5694
5695 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5696
5697         * config/cris/cris.md: Change copyright header to refer to version
5698         3 of the GNU General Public License.
5699         * doc/install.texi2html: Change copyright header to refer to version
5700         3 of the GNU General Public License and to point readers at the
5701         COPYING3 file and the FSF's license web page.
5702         * config/vax/linux.h: Likewise.
5703
5704 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5705
5706         * config/i386/i386.md (cmpcc): New.
5707         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5708         (sync_compare_and_swap_cc*): Delete.
5709
5710         * config/s390/s390.c (s390_compare_emitted): Remove.
5711         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5712         s390_compare_emitted used to be handled.  Assert that modes match.
5713         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5714         refer to sync_compare_and_swap_ccsi.
5715         * config/s390/s390.h (s390_compare_emitted): Remove.
5716         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5717         instead of s390_compare_emitted.
5718         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5719         instead of s390_compare_emitted.
5720         * config/s390/s390.md (cmpcc): New.
5721         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5722         CC_REGNUM, do not pretend it's set.
5723         (sync_compare_and_swap_cc*): Delete.
5724         * config/s390/predicates.md (cc_reg_operand): New.
5725
5726         * expr.c (sync_compare_and_swap_cc): Delete.
5727         * optabs.h (sync_compare_and_swap_cc): Delete.
5728         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5729         is being used with can_compare_p.
5730         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5731         (find_cc_set): New.
5732         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5733         look for a MODE_CC set instead.  Use emit_store_flag.
5734         (expand_compare_and_swap_loop): Likewise, with some additional
5735         complication to avoid a force_reg when useless.  Use
5736         emit_cmp_and_jump_insns.
5737         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5738         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5739         sync_compare_and_swap documentation.
5740
5741 2009-04-09  Jan Hubicka  <jh@suse.cz>
5742
5743         * except.c (find_prev_try): Break out from ....
5744         (duplicate_eh_regions): ... here; properly update prev_try pointers
5745         when duplication part of tree.
5746         (dump_eh_tree): Improve dumping.
5747         (verify_eh_region): New.
5748         (verify_eh_tree): Use it.
5749
5750 2009-04-06  Richard Guenther  <rguenther@suse.de>
5751
5752         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5753         &ARRAY addresses by adjusting their types and prepending
5754         a conversion.
5755         * tree-cfg.c (verify_gimple_assign_single): Verify that
5756         addresses are correct.
5757
5758 2009-04-09  Richard Guenther  <rguenther@suse.de>
5759
5760         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5761         indices into an array reference if possible.
5762         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5763         Fold POINTER_PLUS_EXPR statements with invariant address.
5764
5765 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5766
5767         PR target/39634
5768         * config.gcc (powerpc64-*-linux*): Always build biarch.
5769
5770 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5771
5772         PR c/39613
5773         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5774         it and pedwarn if this results in an INTEGER_CST.
5775
5776 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5777
5778         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5779         text in MPFR section.
5780
5781 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5782
5783         * dwarf2out.c (class_scope_p): New static inline.
5784         (class_or_namespace_scope_p): Use it.
5785         (gen_variable_die): Use DW_TAG_member tag for static data member
5786         declarations instead of DW_TAG_variable.
5787
5788         PR middle-end/39573
5789         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5790         variables.
5791
5792 2009-04-08  Richard Guenther  <rguenther@suse.de>
5793
5794         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5795         valueize random data.
5796
5797 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5798
5799         * config.gcc (aix tm_file):  Add aix-stdint.h.
5800         (aix tm clause use_gcc_stdint):  Set to wrap.
5801         * config/rs6000/aix-stdint.h:  New file.
5802
5803 2009-04-08  Richard Guenther  <rguenther@suse.de>
5804
5805         PR middle-end/36291
5806         * tree-dfa.c (add_referenced_var): Do not recurse into
5807         global initializers.
5808         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5809         exposed variables.
5810         (fold_const_aggregate_ref): Likewise.
5811
5812 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5813
5814         * recog.c (ordered_comparison_operator): New.
5815         * gensupport.c (std_preds): Add it.
5816         * doc/md.texi (Machine-Independent Predicates): Document it.
5817
5818 2009-04-08  Jan Hubicka  <jh@suse.cz>
5819
5820         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5821         * function.h (rtl_eh): Remove exception_handler_label_map.
5822         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5823         remove_exception_handler_label, for_each_eh_label_1): Remove.
5824         (rtl_remove_unreachable_regions): Remove.
5825         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5826         (find_exception_handler_labels): Don't build the hashtable.
5827         (maybe_remove_eh_handler): Remove.
5828         (for_each_eh_label): Rewrite to walk the tree.
5829         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5830         * except.h (maybe_remove_eh_handler): Remove.
5831         * passes.c (init_optimization_passes): Schedule second EH cleanup
5832         before out-of-ssa.
5833         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5834         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5835
5836 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5837
5838         * genoutput.c (validate_optab_operands): New.
5839         (gen_insn, gen_expand): Call it.
5840
5841         * genflags.c (gen_insn): Detect misused iterators.
5842         (main): Pass line_no to gen_insn, exit with status 1 on error.
5843
5844         * genextract.c (line_no): Make global.
5845         (VEC_safe_set_locstr): Change assertion to error message.
5846         (main): Exit with status 1 on error.
5847
5848 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5849
5850         PR c/39614
5851         PR c/39673
5852         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5853         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5854         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5855         * c-convert.c (convert): Do not call fold on results of conversion
5856         functions when the result is a C_MAYBE_CONST_EXPR.
5857         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5858         of __builtin_choose_expr.
5859         * c-typeck.c (remove_c_maybe_const_expr): New.
5860         (build_unary_op, build_conditional_expr, build_compound_expr,
5861         build_binary_op, c_objc_common_truthvalue_conversion): Call
5862         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5863         integer operands.
5864
5865 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5866
5867         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5868         CODE to produce a new one. Add a prototype to use fold_convert_const
5869
5870 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5871
5872         PR bootstrap/39660
5873         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5874         mix declarations and code.
5875
5876 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5877
5878         * gcc.c: Replace `CC' with `GCC' throughout.
5879
5880 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5881
5882         * doc/invoke.texi: Document Atom support.
5883
5884 2009-04-07  Jason Merrill  <jason@redhat.com>
5885
5886         PR c++/25185
5887         * c-common.h, c-common.c: Add flag_pretty_templates.
5888         * c-opts.c (c_common_handle_option): Set it.
5889         * c.opt: Add -fno-pretty-templates.
5890         * doc/invoke.texi (C++ Dialect Options): Likewise.
5891
5892 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5893
5894         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5895         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5896         (ia64_expand_builtin): Likewise.
5897
5898 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5899
5900         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5901         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5902         ADDR_EXPRS are include too.
5903
5904 2009-04-07  Richard Guenther  <rguenther@suse.de>
5905
5906         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5907         decls are only used if passes as parameters or if they are
5908         local statics and the call is not to a builtin.
5909         (call_may_clobber_ref_p_1): Likewise.
5910
5911 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5912
5913         * expr.c (do_store_flag): Remove last argument.  Simplify code
5914         to avoid duplication of tests already done by can_compare_p.
5915         (expand_expr_real_1): Adjust caller.
5916
5917 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5918
5919         * optabs.c (can_compare_p): Test the predicate of a
5920         cbranch and cstore pattern.
5921
5922 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5923
5924         * expr.c (convert_move): Use emit_store_flag instead of
5925         "emulating" it.
5926
5927 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5928
5929         * config/i386/i386.c (ix86_compare_emitted): Remove.
5930         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5931         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5932         * config/i386/i386.h (ix86_compare_emitted): Remove.
5933         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5934         instead of ix86_compare_emitted.
5935         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5936
5937 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5938
5939         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5940         Add t-sysroot-suffix to tmake_file.
5941         * config/print-sysroot-suffix.sh: New file.
5942         * config/t-sysroot-suffix: New file.
5943
5944 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5945
5946         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5947         as the latter produces a warning when the target does not support
5948         infinity.
5949
5950 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5951
5952         * dfp.c: Replace type punning assignments with memcpy throughout.
5953         * Makefile.in (dfp.o-warn): Remove.
5954
5955 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5956
5957         PR target/39634
5958         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5959         Include soft-fp/t-softfp after rs6000/t-linux64.
5960
5961 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5962
5963         * stor-layout.c (set_sizetype): Use the full precision of their
5964         machine mode for bitsize types.
5965
5966 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5967
5968         * config/i386/i386.md: Revert 2 accidental checkins.
5969
5970 2009-04-06  Joey Ye  <joey.ye@intel.com>
5971             Xuepeng Guo  <xuepeng.guo@intel.com>
5972             H.J. Lu  <hongjiu.lu@intel.com>
5973
5974         Atom pipeline model, tuning and insn selection.
5975         * config.gcc (atom): Add atom config options and target.
5976
5977         * config/i386/atom.md: New.
5978
5979         * config/i386/i386.c (atom_cost): New cost.
5980         (m_ATOM): New macro flag.
5981         (initial_ix86_tune_features): Set m_ATOM.
5982         (x86_accumulate_outgoing_args): Likewise.
5983         (x86_arch_always_fancy_math_387): Likewise.
5984         (processor_target): Add Atom cost.
5985         (cpu_names): Add Atom cpu name.
5986         (override_options): Set Atom ISA.
5987         (ix86_issue_rate): New case PROCESSOR_ATOM.
5988         (ix86_adjust_cost): Likewise.
5989
5990         * config/i386/i386.h (TARGET_ATOM): New target macro.
5991         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5992         (TARGET_OPT_AGU): New target option.
5993         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5994         (processor_type): Add PROCESSOR_ATOM.
5995
5996         * config/i386/i386.md (cpu): Add new value "atom".
5997         (use_carry, movu): New attr.
5998         (atom.md): Include atom.md.
5999         (adddi3_carry_rex64): Set attr "use_carry".
6000         (addqi3_carry): Likewise.
6001         (addhi3_carry): Likewise.
6002         (addsi3_carry): Likewise.
6003         (*addsi3_carry_zext): Likewise.
6004         (subdi3_carry_rex64): Likewise.
6005         (subqi3_carry): Likewise.
6006         (subhi3_carry): Likewise.
6007         (subsi3_carry): Likewise.
6008         (x86_movdicc_0_m1_rex64): Likewise.
6009         (*x86_movdicc_0_m1_se): Likewise.
6010         (x86_movsicc_0_m1): Likewise.
6011         (*x86_movsicc_0_m1_se): Likewise.
6012         (*adddi_1_rex64): Emit add insn as much as possible.
6013         (*addsi_1): Likewise.
6014         (return_internal): Set atom_unit.
6015         (return_internal_long): Likewise.
6016         (return_pop_internal): Likewise.
6017         (*rcpsf2_sse): Set atom_sse_attr attr.
6018         (*qrt<mode>2_sse): Likewise.
6019         (*prefetch_sse): Likewise.
6020
6021         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6022         PROCESSOR_ATOM.
6023         (ix86_target_macros_internal): Likewise.
6024
6025         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6026         (*prefetch_sse_rex): Likewise.
6027         (sse_rcpv4sf2): Likewise.
6028         (sse_vmrcpv4sf2): Likewise.
6029         (sse_sqrtv4sf2): Likewise.
6030         (<sse>_vmsqrt<mode>2): Likewise.
6031         (sse_ldmxcsr): Likewise.
6032         (sse_stmxcsr): Likewise.
6033         (*sse_sfence): Likewise.
6034         (sse2_clflush): Likewise.
6035         (*sse2_mfence): Likewise.
6036         (*sse2_lfence): Likewise.
6037         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6038         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6039         (avx_movdqu<avxmodesuffix>): Likewise.
6040         (avx_lddqu<avxmodesuffix>): Likewise.
6041         (sse2_movntv2di): Change attr "type" to "ssemov".
6042         (sse2_movntsi): Likewise.
6043         (rsqrtv8sf2): Change attr "type" to "sseadd".
6044         (sse3_addsubv2df3): Set attr "atom_unit".
6045         (sse3_h<plusminus_insn>v4sf3): Likewise.
6046         (*sse2_pmaddwd): Likewise.
6047         (*vec_extractv2di_1_rex64): Likewise.
6048         (*vec_extractv2di_1_avx): Likewise.
6049         (sse2_psadbw): Likewise.
6050         (ssse3_phaddwv8hi3): Likewise.
6051         (ssse3_phaddwv4hi3): Likewise.
6052         (ssse3_phadddv4si3): Likewise.
6053         (ssse3_phadddv2si3): Likewise.
6054         (ssse3_phaddswv8hi3): Likewise.
6055         (ssse3_phaddswv4hi3): Likewise.
6056         (ssse3_phsubwv8hi3): Likewise.
6057         (ssse3_phsubwv4hi3): Likewise.
6058         (ssse3_phsubdv4si3): Likewise.
6059         (ssse3_phsubdv2si3): Likewise.
6060         (ssse3_phsubswv8hi3): Likewise.
6061         (ssse3_phsubswv4hi3): Likewise.
6062         (ssse3_pmaddubsw128): Likewise.
6063         (sse3_pmaddubsw: Likewise.
6064         (ssse3_palignrti): Likewise.
6065         (ssse3_palignrdi): Likewise.
6066
6067 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6068
6069         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6070
6071 2009-04-06  Richard Guenther  <rguenther@suse.de>
6072
6073         PR tree-optimization/28868
6074         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6075         of which PHI results we inserted.
6076         (insert_into_preds_of_block): Record inserted PHIs.
6077         (eliminate): Eliminate redundant PHI nodes.
6078         (init_pre): Init inserted_phi_names.
6079
6080 2009-04-06  Richard Guenther  <rguenther@suse.de>
6081
6082         PR tree-optimization/39643
6083         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6084         IMAGPART_EXPRs of complex constants.
6085         (execute_fold_all_builtins): If we folded a call queue
6086         TODO_update_address_taken.
6087
6088 2009-04-06  Jan Hubicka  <jh@suse.cz>
6089
6090         PR middle-end/39659
6091         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6092         flag.
6093
6094 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6095
6096         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6097         delay slot.
6098         (ic_invalidate_array): Likewise.
6099
6100 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6101
6102         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6103         alignment for library calls.
6104
6105 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6106
6107         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6108         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6109         * config/i386/mingw-stdint.h:  New file.
6110
6111 2009-04-05  Richard Guenther  <rguenther@suse.de>
6112
6113         PR tree-optimization/39648
6114         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6115         our &A vs. &A[0] IL deficiencies.
6116
6117 2009-04-04  Jan Hubicka  <jh@suse.cz>
6118
6119         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6120         removed toplevel regions.
6121         (sjlj_mark_call_sites): Likewise.
6122
6123 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6124
6125         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6126         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6127         * config/i386/cygwin-stdint.h:  New file.
6128
6129 2009-04-04  Richard Guenther  <rguenther@suse.de>
6130
6131         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6132         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6133         single-argument PHIs if we are in loop-closed SSA form.
6134         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6135         for the pre-condition.
6136         (slpeel_tree_peel_loop_to_edge): Likewise.
6137         (vect_build_loop_niters): Take an optional sequence to append stmts.
6138         (vect_generate_tmps_on_preheader): Likewise.
6139         (vect_do_peeling_for_loop_bound): Take extra guards for the
6140         pre-condition.
6141         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6142         the cost model check.
6143         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6144         guards if we are going to peel.  Do not apply versioning in that case.
6145         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6146         (vect_do_peeling_for_loop_bound): Likewise.
6147         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6148         loop bound only record extra pre-conditions, do not apply loop
6149         versioning.
6150
6151 2009-04-04  Richard Guenther  <rguenther@suse.de>
6152
6153         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6154         renaming code.
6155
6156 2009-04-04  Jan Hubicka  <jh@suse.cz>
6157
6158         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6159         last_basic_block for size of bb->index indexed array.
6160         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6161         compute_out, link_btr_uses, build_btr_def_use_webs,
6162         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6163
6164 2009-04-04  Jan Hubicka  <jh@suse.cz>
6165
6166         * except.c (remove_eh_handler_and_replace): Break out from ...
6167         (remove_eh_handler): ... here.
6168         (bring_to_root): New function.
6169         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6170         handled ones, bring others to root of tree.
6171
6172 2009-04-04  Jan Hubicka  <jh@suse.cz>
6173
6174         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6175         (all_phis_safe_to_merge): New function.
6176         (update_info): New structure.
6177         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6178         (cleanup_empty_eh): Update SSA if possible.
6179
6180 2009-04-04  Richard Guenther  <rguenther@suse.de>
6181
6182         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6183         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6184         (append_vuse): Likewise.
6185
6186 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6187
6188         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6189         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6190         instead of REG_UNSAVED for DW_CFA_undefined.
6191         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6192         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6193         outermost frame.
6194
6195 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6196
6197         PR target/39501
6198         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6199         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6200         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6201
6202 2009-04-04  Richard Guenther  <rguenther@suse.de>
6203
6204         PR tree-optimization/8781
6205         PR tree-optimization/37892
6206         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6207         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6208         (valueize_refs): Call it for *& valueizations.
6209         (shared_reference_ops_from_ref): Rename to ...
6210         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6211         (shared_reference_ops_from_call): Rename to ...
6212         (valueize_shared_reference_ops_from_call): ... this and valueize.
6213         (vn_reference_lookup): Update.
6214         (visit_reference_op_call): Likewise.
6215         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6216         (eliminate): Value-replace the call address in call statements.
6217
6218 2009-04-04  Richard Guenther  <rguenther@suse.de>
6219
6220         PR tree-optimization/39636
6221         * tree-ssa-forwprop.c
6222         (forward_propagate_addr_into_variable_array_index): Check for
6223         GIMPLE_ASSIGN before accessing the rhs code.
6224
6225 2009-04-03  Jason Merrill  <jason@redhat.com>
6226
6227         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6228
6229 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6230
6231         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6232         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6233         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6234         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6235         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6236         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6237         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6238         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6239         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6240         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6241         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6242         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6243         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6244         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6245         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6246         Use fr_reg_or_fp01_operand instead of fr_register_operand
6247
6248         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6249         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6250         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6251
6252 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6253
6254         PR rtl-optimization/39607
6255         PR rtl-optimization/39631
6256
6257         Revert:
6258
6259         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6260         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6261         instead of DF_LR_OUT.
6262         * ira-lives.c (process_bb_node_lives): Ditto.
6263         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6264         instead of DF_LR_{OUT,IN}.
6265         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6266         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6267
6268 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6269
6270         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6271         (execute_lower_omp): Always run but take the short way out if -fopenmp
6272         is not given.
6273         (gate_lower_omp): Remove, forcing the pass manager to always run the
6274         pass and always set PROP_gimple_lomp.
6275         (pass_lower_omp): Remove gate function.
6276         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6277         PROP_trees.  Instead, require it.
6278         * ipa-cp.c (pass_ipa_cp): Likewise.
6279         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6280         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6281         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6282         and PROP_gimple_leh.
6283
6284 2009-04-03  Richard Guenther  <rguenther@suse.de>
6285
6286         PR middle-end/13146
6287         PR tree-optimization/23940
6288         PR tree-optimization/33237
6289         PR middle-end/33974
6290         PR middle-end/34093
6291         PR tree-optimization/36201
6292         PR tree-optimization/36230
6293         PR tree-optimization/38049
6294         PR tree-optimization/38207
6295         PR tree-optimization/38230
6296         PR tree-optimization/38301
6297         PR tree-optimization/38585
6298         PR middle-end/38895
6299         PR tree-optimization/38985
6300         PR tree-optimization/39299
6301         * tree-ssa-structalias.h: Remove.
6302         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6303         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6304         (struct vuse_element_d): Remove.
6305         (struct vuse_vec_d): Likewise.
6306         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6307         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6308         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6309         VUSE_ELEMENT_VAR): Likewise.
6310         (struct voptype_d): Likewise.
6311         (NUM_VOP_FREE_BUCKETS): Likewise.
6312         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6313         (struct stmt_operands_d): Remove.
6314         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6315         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6316         VDEF_NUM, VDEF_VECT): Likewise.
6317         (copy_virtual_operands): Remove.
6318         (operand_build_cmp): Likewise.
6319         (create_ssa_artificial_load_stmt): Likewise.
6320         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6321         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6322         vuse_index and mayuse_index members.  Pack and move done and iter_type
6323         members to the front.
6324         (SSA_OP_VMAYUSE): Remove.
6325         (SSA_OP_VIRTUAL_USES): Adjust.
6326         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6327         (unlink_stmt_vdef): Declare.
6328         (add_to_addressable_set): Remove.
6329         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6330         (vrp_visit_stmt): Likewise.
6331         * doc/tree-ssa.texi (Alias analysis): Update.
6332         * doc/invoke.texi (max-aliased-vops): Remove docs.
6333         (avg-aliased-vops): Likewise.
6334         * tree-into-ssa.c (syms_to_rename): Remove.
6335         (need_to_update_vops_p): Likewise.
6336         (need_to_initialize_update_ssa_p): Rename to ...
6337         (update_ssa_initialized_fn): ... this.  Track function we are
6338         initialized for.
6339         (symbol_marked_for_renaming): Simplify.
6340         (add_new_name_mapping): Do not set need_to_update_vops_p.
6341         (dump_currdefs): Use SYMS_TO_RENAME.
6342         (rewrite_update_stmt): Always walk all uses/defs.
6343         (dump_update_ssa): Adjust.
6344         (init_update_ssa): Take function argument.  Track what we are
6345         initialized for.
6346         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6347         (create_new_def_for): Initialize for cfun, assert we are initialized
6348         for cfun.
6349         (mark_sym_for_renaming): Simplify.
6350         (mark_set_for_renaming): Do not initialize update-ssa.
6351         (need_ssa_update_p): Simplify.  Take function argument.
6352         (name_mappings_registered_p): Assert we ask for the correct function.
6353         (name_registered_for_update_p): Likewise.
6354         (ssa_names_to_replace): Likewise.
6355         (release_ssa_name_after_update_ssa): Likewise.
6356         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6357         (dump_decl_set): Do not print a newline.
6358         (debug_decl_set): Do it here.
6359         (dump_update_ssa): And here.
6360         * tree-ssa-loop-im.c (move_computations): Adjust.
6361         (movement_possibility): Likewise.
6362         (determine_max_movement): Likewise.
6363         (gather_mem_refs_stmt): Likewise.
6364         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6365         or NAME_MEMORY_TAG.
6366         * tree-complex.c (update_all_vops): Remove.
6367         (expand_complex_move): Adjust.
6368         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6369         Simplify test for memory referencing statement.  Exclude
6370         non-invariant ADDR_EXPRs.
6371         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6372         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6373         (rdg_flag_uses): Likewise.
6374         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6375         related code.
6376         (tree_optimize_tail_calls_1): Also split the
6377         edge from the entry block if we have degenerate PHI nodes in
6378         the first basic block.
6379         * tree.c (init_ttree): Remove memory-tag related code.
6380         (tree_code_size): Likewise.
6381         (tree_node_structure): Likewise.
6382         (build7_stat): Re-write to be build6_stat.
6383         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6384         (SSA_VAR_P): Adjust.
6385         (struct tree_memory_tag): Remove.
6386         (struct tree_memory_partition_tag): Likewise.
6387         (union tree_node): Adjust.
6388         (build7): Re-write to be build6.
6389         * tree-pass.h (pass_reset_cc_flags): Remove.
6390         (TODO_update_address_taken): New flag.
6391         (pass_simple_dse): Remove.
6392         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6393         * params.h (MAX_ALIASED_VOPS): Remove.
6394         (AVG_ALIASED_VOPS): Likewise.
6395         * omp-low.c (expand_omp_taskreg): Update SSA form.
6396         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6397         aliases the lhs in a copy stmt.
6398         * tree-ssa-dse.c (struct address_walk_data): Remove.
6399         (memory_ssa_name_same): Likewise.
6400         (memory_address_same): Likewise.
6401         (get_kill_of_stmt_lhs): Likewise.
6402         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6403         unused stores.  Look through PHI nodes into post-dominated regions.
6404         (dse_optimize_stmt): Simplify.  Properly remove stores.
6405         (tree_ssa_dse): Compute dominators.
6406         (execute_simple_dse): Remove.
6407         (pass_simple_dse): Likewise.
6408         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6409         gimple_loaded_syms and gimple_stored_syms computation.
6410         * toplev.c (dump_memory_report): Dump alias and pta stats.
6411         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6412         (vn_reference_eq): Likewise.
6413         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6414         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6415         valueize_vuses): Remove.
6416         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6417         (get_def_ref_stmt_vuse): ... this.
6418         (vn_reference_lookup_2): New function.
6419         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6420         walking equivalent vuses.  Simplify.
6421         (vn_reference_lookup): Likewise.
6422         (vn_reference_insert): Likewise.
6423         (vn_reference_insert_pieces): Likewise.
6424         (visit_reference_op_call): Simplify.
6425         (visit_reference_op_load): Likewise.
6426         (visit_reference_op_store): Likewise.
6427         (init_scc_vn): Remove shared_lookup_vuses initialization.
6428         (free_scc_vn): Remove shared_lookup_vuses freeing.
6429         (sort_vuses, sort_vuses_heap): Remove.
6430         (get_ref_from_reference_ops): Export.
6431         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6432         vector with single vuse pointer.
6433         (vn_reference_lookup_pieces, vn_reference_lookup,
6434         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6435         (shared_vuses_from_stmt): Remove.
6436         (get_ref_from_reference_ops): Declare.
6437         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6438         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6439         memory-tag related code.
6440         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6441         (likely_value): Add comment, skip static-chain of call statements.
6442         (surely_varying_stmt_p): Adjust.
6443         (gimplify_and_update_call_from_tree): Likewise.
6444         (execute_fold_all_builtins): Do not rebuild alias info.
6445         (gimplify_and_update_call_from_tree): Properly update VOPs.
6446         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6447         (copy_ref_info): Remove memory-tag related code.
6448         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6449         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6450         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6451         computation.
6452         * tree-ssa-dom.c (gimple_p): Remove typedef.
6453         (eliminate_redundant_computations): Adjust.
6454         (record_equivalences_from_stmt): Likewise.
6455         (avail_expr_hash): Likewise.
6456         (avail_expr_eq): Likewise.
6457         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6458         (stmt_makes_single_load): Likewise.
6459         (stmt_makes_single_store): Likewise.
6460         * tree-ssa-alias.c: Rewrite completely.
6461         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6462         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6463         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6464         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6465         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6466         Remove public functions.
6467         (pass_reset_cc_flags): Remove.
6468         (pass_build_alias): Move ...
6469         * tree-ssa-structalias.c (pass_build_alias): ... here.
6470         * tree-ssa-alias.c (may_be_aliased): Move ...
6471         * tree-flow-inline.h (may_be_aliased): ... here.
6472         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6473         count_uses_and_derefs): Move ...
6474         * gimple.c: ... here.
6475         * gimple.h (count_uses_and_derefs): Declare.
6476         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6477         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6478         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6479         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6480         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6481         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6482         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6483         New functions.
6484         * tree-dfa.c (refs_may_alias_p): Move ...
6485         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6486         * tree-ssa-alias.h: New file.
6487         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6488         (statement_sink_location): Likewise.
6489         * opts.c (decode_options): Do not adjust max-aliased-vops or
6490         avg-aliased-vops values.
6491         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6492         (TV_CALL_CLOBBER): Likewise.
6493         (TV_FLOW_SENSITIVE): Likewise.
6494         (TV_FLOW_INSENSITIVE): Likewise.
6495         (TV_MEMORY_PARTITIONING): Likewise.
6496         (TV_ALIAS_STMT_WALK): New timevar.
6497         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6498         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6499         (get_address_description): Remove memory-tag related code.
6500         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6501         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6502         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6503         and immediate uses in statements.  Document.
6504         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6505         (dump_symbols): Remove.
6506         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6507         * alias.c (get_deref_alias_set): New function split out from ...
6508         (get_alias_set): ... here.
6509         * alias.h (get_deref_alias_set): Declare.
6510         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6511         type parameter.  Remove restrict pointer handling.  Create a
6512         ref-all pointer in case type-based alias sets do not conflict.
6513         (vect_analyze_data_refs): Remove SMT related code.
6514         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6515         (vectorizable_load): Likewise.
6516         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6517         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6518         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6519         Ignore vops and SMTs.
6520         (dr_analyze_alias): Likewise..
6521         (free_data_ref): Likewise.
6522         (create_data_ref): Likewise.
6523         (analyze_all_data_dependences): Likewise.
6524         (get_references_in_stmt): Adjust.
6525         * tree-flow-inline.h (gimple_aliases_computed_p,
6526         gimple_addressable_vars, gimple_call_clobbered_vars,
6527         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6528         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6529         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6530         gimple_mem_ref_stats): Remove.
6531         (gimple_vop): New function.
6532         (op_iter_next_use): Remove vuses and mayuses cases.
6533         (op_iter_next_def): Remove vdefs case.
6534         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6535         (clear_and_done_ssa_iter): Do not set removed fields.
6536         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6537         Assert we are not iterating over vuses or vdefs if not also
6538         iterating over uses or defs.
6539         (op_iter_init_use): Likewise.
6540         (op_iter_init_def): Likewise.
6541         (op_iter_next_vdef): Remove.
6542         (op_iter_next_mustdef): Likewise.
6543         (op_iter_init_vdef): Likewise.
6544         (compare_ssa_operands_equal): Likewise.
6545         (link_use_stmts_after): Handle vuse operand.
6546         (is_call_used): Use is_call_clobbered.
6547         (is_call_clobbered): Global variables are always call clobbered,
6548         query the call-clobbers bitmap.
6549         (mark_call_clobbered): Ignore global variables.
6550         (clear_call_clobbered): Likewise.
6551         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6552         virtual operands sanity check.
6553         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6554         Remove.
6555         (TARGET_MEM_REF): Remove TMR_TAG operand.
6556         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6557         Remove call-clobber related code.
6558         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6559         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6560         partitions or escape reason.
6561         (get_single_def_stmt, get_single_def_stmt_from_phi,
6562         get_single_def_stmt_with_phi): Remove.
6563         (dump_referenced_vars): Tidy.
6564         (get_ref_base_and_extent): Allow bare decls.
6565         (collect_dfa_stats): Adjust.
6566         * graphite.c (rename_variables_in_stmt): Adjust.
6567         (graphite_copy_stmts_from_block): Likewise.
6568         (translate_clast): Likewise.
6569         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6570         (EXPR_DIES): New.
6571         (translate_vuse_through_block): Use the oracle.
6572         (phi_translate_1): Adjust.
6573         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6574         in EXPR_DIES.
6575         (valid_in_sets): Check if the VUSE for
6576         a REFERENCE is available.
6577         (eliminate): Do not remove stmts during elimination,
6578         instead queue and remove them afterwards.
6579         (do_pre): Do not rebuild alias info.
6580         (pass_pre): Run TODO_rebuild_alias before PRE.
6581         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6582         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6583         (mark_all_v_defs_stmt): Remove.
6584         (mark_all_v_defs_seq): Adjust.
6585         (sra_replace): Likewise.
6586         (scalarize_use): Likewise.
6587         (scalarize_copy): Likewise.
6588         (scalarize_init): Likewise.
6589         (scalarize_ldst): Likewise.
6590         (todoflags): Remove.
6591         (tree_sra): Do not rebuild alias info.
6592         (tree_sra_early): Adjust.
6593         (pass_sra): Run TODO_update_address_taken before SRA.
6594         * tree-predcom.c (set_alias_info): Remove.
6595         (prepare_initializers_chain): Do not call it.
6596         (mark_virtual_ops_for_renaming): Adjust.
6597         (mark_virtual_ops_for_renaming_list): Remove.
6598         (initialize_root_vars): Adjust.
6599         (initialize_root_vars_lm): Likewise.
6600         (prepare_initializers_chain): Likewise.
6601         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6602         (may_propagate_copy_into_stmt): Likewise.
6603         (merge_alias_info): Do nothing for now.
6604         (propagate_tree_value_into_stmt): Adjust.
6605         (stmt_may_generate_copy): Likewise.
6606         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6607         not mark symbols for renaming.
6608         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6609         with the same statement, make sure to update the new pointed-to one.
6610         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6611         call statements, do not mark symbols for renaming.
6612         (mark_operand_necessary): Dump something.
6613         (ref_may_be_aliased): New function.
6614         (mark_aliased_reaching_defs_necessary_1): New helper function.
6615         (mark_aliased_reaching_defs_necessary): Likewise.
6616         (mark_all_reaching_defs_necessary_1): Likewise.
6617         (mark_all_reaching_defs_necessary): Likewise.
6618         (propagate_necessity): Do not process virtual PHIs.  For
6619         non-aliased loads mark all reaching definitions as necessary.
6620         For aliased loads and stores mark the immediate dominating
6621         aliased clobbers as necessary.
6622         (visited): New global static.
6623         (perform_tree_ssa_dce): Free visited bitmap after propagating
6624         necessity.
6625         (remove_dead_phis): Perform simple dead virtual PHI removal.
6626         (remove_dead_stmt): Properly unlink virtual operands when
6627         removing stores.
6628         (eliminate_unnecessary_stmts): Schedule PHI removal after
6629         stmt removal.
6630         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6631         (process_replaceable): Likewise.
6632         (find_replaceable_in_bb): Likewise.
6633         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6634         based on the single gimple vop.
6635         (verify_flow_insensitive_alias_info): Remove.
6636         (verify_flow_sensitive_alias_info): Likewise.
6637         (verify_call_clobbering): Likewise.
6638         (verify_memory_partitions): Likewise.
6639         (verify_alias_info): Likewise.
6640         (verify_ssa): Adjust..
6641         (execute_update_addresses_taken): Export.  Update SSA
6642         manually.  Optimize only when optimizing.  Use a local bitmap.
6643         (pass_update_address_taken): Remove TODO_update_ssa, add
6644         TODO_dump_func.
6645         (pass_update_address_taken): Just use TODO_update_address_taken.
6646         (init_tree_ssa): Do not initialize addressable_vars.
6647         (verify_ssa): Verify new VUSE / VDEF properties.
6648         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6649         Do not call verify_alias_info.
6650         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6651         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6652         and callused solutions.  Do not free addressable_vars.
6653         Remove memory-tag related code.
6654         (warn_uninitialized_var): Aliases are always available.
6655         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6656         * lambda-code.c (can_put_in_inner_loop): Adjust.
6657         (can_put_after_inner_loop): Likewise.
6658         (perfect_nestify): Likewise.
6659         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6660         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6661         (vectorizable_conversion): Do not mark symbols for renaming.
6662         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6663         (expand_call_inline): Unlink the calls virtual operands before
6664         replacing it.
6665         (tree_function_versioning): Do not call update_ssa if we are not
6666         updating clones.  Simplify.
6667         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6668         (propagate_with_phi): Likewise..
6669         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6670         clobber code.  Assert we are not aliased or global.
6671         * tree-flow.h: Include tree-ssa-alias.h
6672         (enum escape_type): Remove.
6673         (struct mem_sym_stats_d): Likewise.
6674         (struct mem_ref_stats_d): Likewise.
6675         (struct gimple_df): Add vop member.  Remove global_var,
6676         call_clobbered_vars, call_used_vars, addressable_vars,
6677         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6678         escaped and callused members.
6679         (struct ptr_info_def): Remove all members, add points-to solution
6680         member pt.
6681         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6682         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6683         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6684         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6685         (tree-ssa-alias.o): Likewise.
6686         (toplev.o): Add tree-ssa-alias.h
6687         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6688         * gimple.c (gimple_set_bb): Fix off-by-one error.
6689         (is_gimple_reg): Do not handle memory tags.
6690         (gimple_copy): Also copy virtual operands.
6691         Delay updating the statement.  Do not reset loaded and stored syms.
6692         (gimple_set_stored_syms): Remove.
6693         (gimple_set_loaded_syms): Likewise.
6694         (gimple_call_copy_skip_args): Copy the virtual operands
6695         and mark the new statement modified.
6696         * tree-ssa-structalias.c (may_alias_p): Remove.
6697         (set_uids_in_ptset): Take the alias set to prune with as
6698         parameter.  Fold in the alias test of may_alias_p.
6699         (compute_points_to_sets): Compute whether a ptr is dereferenced
6700         in a local sbitmap.
6701         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6702         other ADDRESSOF constraints on the lhs.
6703         (get_constraint_for_component_ref): Assert that we don't get
6704         ADDRESSOF constraints from the base of the reference.
6705         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6706         (struct variable_info): Remove collapsed_to member.
6707         (get_varinfo_fc): Remove.
6708         (new_var_info): Do not set collapsed_to.
6709         (dump_constraint): Do not follow cycles.
6710         (dump_constraint_graph): Likewise.
6711         (build_pred_graph): Likewise.
6712         (build_succ_graph): Likewise.
6713         (rewrite_constraints): Likewise.
6714         (do_simple_structure_copy): Remove.
6715         (do_rhs_deref_structure_copy): Remove.
6716         (do_lhs_deref_structure_copy): Remove.
6717         (collapse_rest_of_var): Remove.
6718         (do_structure_copy): Re-implement.
6719         (pta_stats): New global variable.
6720         (dump_pta_stats): New function.
6721         (struct constraint_expr): Make offset signed.
6722         (UNKNOWN_OFFSET): Define special value.
6723         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6724         (solution_set_expand): New helper function split out from ...
6725         (do_sd_constraint): ... here.
6726         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6727         (do_ds_constraint): Likewise.
6728         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6729         and CALLUSED = *CALLUSED.
6730         (set_union_with_increment): Make inc argument signed.
6731         (type_safe): Remove.
6732         (get_constraint_for_ptr_offset): Handle unknown and negative
6733         constant offsets.
6734         (first_vi_for_offset): Handle offsets before start.  Bail
6735         out early for offsets beyond the variable extent.
6736         (first_or_preceding_vi_for_offset): New function.
6737         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6738         Together with ESCAPED = *ESCAPED this properly computes reachability.
6739         (find_what_var_points_to): New function.
6740         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6741         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6742         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6743         pt_solutions_intersect): New functions.
6744         (compute_call_used_vars): Remove.
6745         (compute_may_aliases): New main entry into PTA computation.
6746         * gimple.h (gimple_p): New typedef.
6747         (struct gimple_statement_base): Remove references_memory_p.
6748         (struct gimple_statement_with_memory_ops_base): Remove
6749         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6750         members.
6751         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6752         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6753         gimple_set_references_memory): Remove.
6754         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6755         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6756         New functions.
6757         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6758         (verify_expr): Allow RESULT_DECL.
6759         (gimple_duplicate_bb): Do not copy virtual operands.
6760         (gimple_duplicate_sese_region): Adjust.
6761         (gimple_duplicate_sese_tail): Likewise.
6762         (mark_virtual_ops_in_region): Remove.
6763         (move_sese_region_to_fn): Do not call it.
6764         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6765         and pass_simple_dse.
6766         (execute_function_todo): Handle TODO_update_address_taken,
6767         call execute_update_addresses_taken for TODO_rebuild_alias.
6768         (execute_todo): Adjust.
6769         (execute_one_pass): Init dump files early.
6770         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6771         call-clobbered.
6772         (create_general_new_stmt): Clear vops.
6773         * tree-ssa-reassoc.c (get_rank): Adjust.
6774         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6775         symbols for renaming.
6776         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6777         (PARAM_AVG_ALIASED_VOPS): Likewise.
6778         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6779         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6780         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6781         (operand_build_cmp, copy_virtual_operands,
6782         create_ssa_artificial_load_stmt, add_to_addressable_set,
6783         gimple_add_to_addresses_taken): Remove public functions.
6784         (unlink_stmt_vdef): New function.
6785
6786 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6787
6788         * config.gcc (powerpc-*-linux*): Merge variants.
6789
6790 2009-04-02  Chao-ying Fu  <fu@mips.com>
6791             James Grosbach  <james.grosbach@microchip.com>
6792
6793         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6794         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6795         cop0_sp_offset.
6796         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6797         keep_interrupts_masked_p, use_debug_exception_return_p.
6798         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6799         keep_interrupts_masked, use_debug_exception_return.
6800         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6801         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6802         New functions.
6803         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6804         (mips_print_operand): Process COP0 registers to print $0 .. $31
6805         correctly for GAS to process.
6806         (mips_interrupt_extra_call_saved_reg_p): New function.
6807         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6808         extra registers.
6809         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6810         (mips_compute_frame_info): Add supports for interrupt context that
6811         includes doubleword accumulators and COP0 registers.
6812         (mips_for_each_saved_acc): New function.
6813         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6814         mips_for_each_saved_reg.
6815         (mips_save_reg): Save accumulators.
6816         (mips_kernel_reg_p): A new for_each_rtx callback.
6817         (mips_expand_prologue): Support interrupt handlers.
6818         (mips_restore_reg): Restore accumulators.
6819         (mips_expand_epilogue): Support interrupt handlers.
6820         (mips_can_use_return_insn): Return false for interrupt handlers.
6821         (mips_epilogue_uses): New function.
6822         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6823         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6824         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6825         cop0_move): New instructions.
6826         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6827         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6828         defines.
6829         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6830         New defines.
6831         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6832         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6833         interrupt handlers, we use K0 as the temporary register.
6834         (EPILOGUE_USES): Change to a function call.
6835         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6836         handlers, we use K0 as the temporary register.
6837
6838         * doc/extend.texi (Function Attributes): Document interrupt,
6839         use_shadow_register_set, keep_interrupts_masked,
6840         use_debug_exception_return for MIPS attributes.
6841
6842 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6843
6844         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6845         Remove a number of t-files from tmake_file.
6846         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6847         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6848         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6849         target_prototype, not TARGET_PROTOTYPE.
6850         (LINK_OS_GNU_SPEC): Define.
6851         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6852         and darwin-ldoubdle.c.
6853
6854 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6855
6856         PR driver/39293
6857         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6858         (cpp_options): Ditto.
6859         (default_compilers): Ditto.
6860         (display_help): Ditto.
6861         (process_command): Ditto.
6862         (do_spec_1): Ditto.
6863         (set_input): Use lbasename instead of duplicate code.
6864         (save_temps_prefix): New static for -save-temps=obj.
6865         (save_temps_length): Ditto.
6866
6867         * doc/invoke.texi (-save-temps=obj): Document new variant to
6868         -save-temps switch.
6869
6870 2009-04-02  Jeff Law  <law@redhat.com>
6871
6872         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6873         variable.
6874
6875 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6876
6877         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6878         * configure: Regenerated.
6879
6880 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6881
6882         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6883         share the argument list.
6884
6885 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6886
6887         Merge
6888
6889         2009-02-12  Diego Novillo  <dnovillo@google.com>
6890
6891         * varpool.c (debug_varpool): New.
6892         * cgraph.h (debug_varpool): Declare.
6893
6894 2009-04-02  Jan Hubicka  <jh@suse.cz>
6895
6896         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6897         pass.
6898
6899 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6900
6901         * config/i386/i386.c (ix86_abi): Move initialization to ...
6902         (override_options): Here.
6903
6904 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6905
6906         * config/sh/sh.c (sh_dwarf_register_span): New function.
6907         (TARGET_DWARF_REGISTER_SPAN): Define.
6908         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6909
6910 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6911
6912         PR tree-optimization/39595
6913         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6914         interleaved loads group is not  greater than the SLP group size.
6915
6916 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6917
6918         * builtins.c (is_builtin_name): New.
6919         (called_as_built_in): Use is_builtin_name.
6920         * tree.h (is_builtin_name): New.
6921         * varasm.c (incorporeal_function_p): Use is_builtin_name
6922
6923 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6924
6925         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6926
6927 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6928
6929         PR c++/26693
6930         * c-decl.c (clone_underlying_type): Move this ...
6931         * c-common.c (set_underlying_type): ... here.
6932         Also, make sure the function properly sets TYPE_STUB_DECL() on
6933         the newly created typedef variant type.
6934         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6935         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6936         points.
6937
6938 2009-04-02  Richard Guenther  <rguenther@suse.de>
6939
6940         PR tree-optimization/37221
6941         * tree-flow.h (degenerate_phi_result): Declare.
6942         * tree-ssa-dom.c (degenerate_phi_result): Export.
6943         * tree-scalar-evolution.c (analyze_initial_condition): If
6944         the initial condition is defined by a degenerate PHI node
6945         use the degenerate value.
6946
6947 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6948
6949         PR rtl-optimization/39588
6950         * combine.c (merge_outer_ops): Do not set the constant when this
6951         is not necessary.
6952         (simplify_shift_const_1): Do not modify it either in this case.
6953
6954 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6955
6956         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6957         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6958
6959 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6960
6961         PR c/29027
6962         * c-lex.c (interpret_float): Default (no suffix) is double.
6963
6964 2009-04-1  Xinliang David Li  <davidxl@google.com>
6965
6966         * config/i386/i386.c (legitimate_constant_p): Recognize
6967         all one vector constant.
6968
6969 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6970
6971         * config/vax/vax.c: Add #includes to silence warnings.
6972         Change #include order to silence two warnings.
6973
6974 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6975
6976         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6977         (ASM_SPEC): Pass -k to the assembler for PIC code.
6978
6979 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6980
6981         * config.gcc: Add vax-*-linux* to the switch.
6982         * config/vax/linux.h: New file. (TARGET_VERSION,
6983         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6984
6985 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6986
6987         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6988         Use predicate macros instead of GET_CODE() == foo.
6989         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6990         ashlsi3, rotrsi3, <unnamed>): Likewise.
6991
6992 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6993
6994         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6995         jbbccihi, jbbccisi): Remova trailing whitespace.
6996         * config/vax/constraints.md: Likewise.
6997         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6998         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6999         * config/vax/predicates.md: Likewise.
7000         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7001         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7002         * config/vax/vax.h: Likewise.
7003         * config/vax/vax.md (nonlocal_goto): Likewise.
7004
7005 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7006
7007         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7008         (indirectable_address_p, adjacent_operands_p): Add spaces around
7009         braces.
7010         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7011
7012 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7013
7014         * config/vax/vax.c (legitimate_constant_address_p,
7015         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7016         index_term_p, reg_plus_index_p, legitimate_address_p,
7017         vax_mode_dependent_address_p): Update comments to match functions
7018         modified by the recent int->bool conversion.
7019
7020 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7021
7022         * config/vax/builtins.md: Update copyright message.
7023         * config/vax/constraints.md: Likewise.
7024         * config/vax/netbsd-elf.h: Likewise.
7025         * config/vax/predicates.md: Likewise.
7026         * config/vax/vax-protos.h: Likewise.
7027         * config/vax/vax.c: Likewise.
7028         * config/vax/vax.h: Likewise.
7029         * config/vax/vax.md: Likewise.
7030         * config/vax/vax.opt: Likewise.
7031
7032 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7033
7034         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7035         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7036         * config/vax/constraints.md (B, R): Likewise.
7037         * config/vax/predicates.md (external_memory_operand,
7038         nonimmediate_addsub_di_operand): Likewise.
7039         * config/vax/vax.c (vax_output_int_add): Likewise.
7040         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7041         untyped_call): Likewise.
7042
7043 2009-04-01  Matt Thomas  <matt@3am-software.com>
7044
7045         * config/vax/predicates.md: New file.
7046         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7047         external_const_operand, nonsymbolic_operand, external_memory_operand,
7048         indirect_memory_operand, indexed_memory_operand,
7049         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7050         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7051         predicate.
7052         * config/vax/constraints.md: New file.
7053         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7054         New constraint.
7055         * config/vax/builtins.md: New file.
7056         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7057         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7058         jbbccisi): Define.
7059         * config/vax/vax.opt (mqmath): Add option.
7060         * config/vax/vax.md (isfx): Extend with DI.
7061         (VAXintQH, VAXintQHSD): Define.
7062         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7063         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7064         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7065         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7066         (movdi): Update constraints and use vax_output_int_move().
7067         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7068         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7069         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7070         nonlocal_goto): New.
7071         (mov<mode>): Extend accepted operand types.
7072         (subdi3_old): Rename from subdi3, change update constraints and use
7073         a new implementation.
7074         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7075         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7076         MOVE_RATIO, CLEAR_RATIO): Define.
7077         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7078         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7079         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7080         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7081         (split_quadword_operands): Make static and really allow variable
7082         splitting.
7083         (print_operand_address): Update for PIC generation.
7084         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7085         indexable_address_p, fixup_mathdi_operand,
7086         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7087         (vax_float_literal, legitimate_constant_p,
7088         indirectable_constant_address_p, index_term_p,
7089         reg_plus_index_p): Return bool instead of int.
7090         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7091         where needed.
7092         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7093         generation.
7094         (vax_output_conditional_branch): Indent.
7095         (legitimate_constant_address_p, indirectable_constant_address_p,
7096         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7097         vax_mode_dependent_address_p): Return bool instead of int, update for
7098         PIC generation.
7099         * config/vax/vax-protos.h (legitimate_constant_address_p,
7100         legitimate_constant_p, legitimate_address_p,
7101         vax_mode_dependent_address_p): Change declaration to bool.
7102         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7103         vax_expand_addsub_di_operands, vax_output_int_subtract,
7104         vax_output_movmemsi): Declare.
7105         (split_quadword_operands, vax_float_literal): Delete declaration.
7106         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7107         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7108         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7109         ASM_OUTPUT_DWARF_PCREL): Define.
7110         (ASM_SPEC): Change definition to allow PIC generation.
7111
7112 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7113
7114         * doc/sourcebuild.texi: Update front-end requirements.
7115
7116 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7117
7118         PR target/39226
7119         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7120         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7121         (booldi3_internal3): Use boolean_or_operator instead of
7122         boolean_operator.
7123
7124 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7125
7126         PR c/39605
7127         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7128         declarator whose size is not an integer constant expression but
7129         folds to an integer constant, then treat it as a constant
7130         subsequently.
7131
7132 2009-04-01  Richard Guenther  <rguenther@suse.de>
7133
7134         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7135         i * 4 + 2 to (i * 2 + 1) * 2.
7136
7137 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7138
7139         PR c/37772
7140         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7141         return if c_parser_asm_string_literal returned NULL.
7142
7143 2009-04-01  Nick Clifton  <nickc@redhat.com>
7144
7145         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7146         already defined.
7147         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7148         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7149         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7150         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7151         include it.
7152         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7153         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7154         then include it.
7155
7156 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7157
7158         * varasm.c (default_function_rodata_section): Declare DOT as
7159         const char*.
7160
7161 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7162             Andrey Galkin  <agalkin@hypercom.com>
7163
7164         PR/39492
7165         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7166         Make object_name unique for each process.
7167
7168 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7169
7170         PR other/39591
7171         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7172         addressable variables in the parallel that could go out of scope while
7173         running queued tasks.
7174
7175 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7176
7177         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7178         (CASE_VALUES_THRESHOLD): Redefine.
7179         * config/avr/avr.c (avr_override_options): Remove initialization of
7180         avr_case_values_threshold variable.
7181         (avr_case_values_threshold): Remove variable. Add new function.
7182         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7183         * config/avr/avr.opt (mno-tablejump): Remove option.
7184         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7185
7186 2009-04-01  DJ Delorie  <dj@redhat.com>
7187
7188         * varasm.c (default_function_rodata_section): Don't assume
7189         anything about where the first '.' in the section name is.
7190
7191 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7192
7193         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7194         rs6000_emit_stack_tie.
7195
7196 2009-03-31  Ian Lance Taylor  <iant@google.com>
7197
7198         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7199         gimple_code with GIMPLE_RESX, not RESX.
7200
7201 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7202
7203         * c-common.c (c_get_ident): New.
7204         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7205
7206 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7207
7208         * config/rs6000/sysv4.opt (msdata): Improve option description.
7209
7210 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7211
7212         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7213         (divdf3_internal_lat): Remove.
7214         (divxf3_internal_lat): Remove.
7215         (divxf3_internal_thr): Remove.
7216         (divxf): Use divxf3_internal.
7217         * config/ia64/div.md (divsf3_internal_lat): New.
7218         (divdf3_internal_lat): New.
7219         (divxf3_internal): New.
7220
7221 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7222
7223         PR c/448
7224         * Makefile.in (USE_GCC_STDINT): Define.
7225         (stmp-int-hdrs): Install stdint.h if applicable.
7226         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7227         if known.
7228         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7229         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7230         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7231         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7232         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7233         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7234         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7235         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7236         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7237         (c_common_nodes_and_builtins): Initialize
7238         underlying_wchar_type_node.  Do not initialize
7239         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7240         nodes for new types.
7241         (c_stddef_cpp_builtins): Define macros for new types.
7242         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7243         Remove.
7244         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7245         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7246         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7247         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7248         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7249         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7250         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7251         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7252         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7253         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7254         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7255         int16_type_node, int32_type_node, int64_type_node,
7256         uint8_type_node, uint16_type_node, c_uint32_type_node,
7257         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7258         int_least32_type_node, int_least64_type_node,
7259         uint_least8_type_node, uint_least16_type_node,
7260         uint_least32_type_node, uint_least64_type_node,
7261         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7262         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7263         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7264         uintptr_type_node): Define.
7265         * c-cppbuiltin.c (builtin_define_constants,
7266         builtin_define_type_minmax): New.
7267         (builtin_define_stdint_macros): Define more macros.
7268         (c_cpp_builtins): Define more limit macros.
7269         (type_suffix): New.
7270         (builtin_define_type_max): Define in terms of
7271         builtin_define_type_minmax.  Remove is_long parameter.  All
7272         callers changed.
7273         * config.gcc (use_gcc_stdint): Define.
7274         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7275         Add newlib-stdint.h for generic targets.
7276         * config/glibc-stdint.h, config/newlib-stdint.h,
7277         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7278         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7279         * config/score/score.h (UINTPTR_TYPE): Define.
7280         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7281         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7282         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7283         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7284         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7285         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7286         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7287         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7288         * config/spu/spu.h (STDINT_LONG32): Define.
7289         * configure.ac (use_gcc_stdint): Substitute.
7290         * configure: Regenerate.
7291         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7292         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7293         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7294         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7295         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7296         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7297         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7298         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7299         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7300         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7301         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7302         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7303         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7304         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7305         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7306         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7307         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7308         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7309         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7310         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7311         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7312         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7313         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7314         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): Document.
7320
7321 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7322
7323         * loop-iv.c (suitable_set_for_replacement): Renamed from
7324         simplify_using_assignment; changed to return bool and to accept new
7325         args DEST and SRC.  Return true iff we find a source/destination pair
7326         that can be used to make a replacement, and fill SRC and DEST if so.
7327         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7328         changed.
7329         (simplify_using_initial_values): Deal with altered regs here and track
7330         more precisely the effect they have on the validity of our expression.
7331
7332         * loop-iv.c (simplify_using_condition): A condition of the form
7333         (EQ REG CONST) can be used to simply make a substitution.
7334         (simplify_using_initial_values): Keep track of conditions we have seen
7335         and keep using them to simplify new expressions, while applying the
7336         same substitutions to them as to the expression.
7337
7338         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7339         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7340         GEU/LTU reversed.
7341
7342         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7343         changed.  Use this when trying to improve the upper bound.
7344         Generate the comparison by using simplify_gen_relational.
7345
7346         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7347
7348         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7349         functions.
7350         (simplify_using_assignment, simplify_using_initial_values): Call
7351         replace_in_expr to make replacements.  Call replace_single_def_regs
7352         once on the initial version of the expression.
7353
7354 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7355
7356         PR target/27237
7357         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7358
7359 2009-03-31  Richard Guenther  <rguenther@suse.de>
7360
7361         PR middle-end/31029
7362         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7363         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7364
7365 2009-03-31  Richard Guenther  <rguenther@suse.de>
7366
7367         * tree.h (div_if_zero_remainder): Declare.
7368         * fold-const.c (div_if_zero_remainder): Export.
7369         * tree-ssa-forwprop.c
7370         (forward_propagate_addr_into_variable_array_index): Handle
7371         constant array index addition outside of the variable index.
7372
7373 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7374
7375         PR target/39592
7376         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7377         define_splits, floatunssi<mode>2): Require x87 conversions from
7378         DImode to be permitted.
7379
7380 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7381
7382         PR preprocessor/15638
7383         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7384
7385 2009-03-31  Richard Guenther  <rguenther@suse.de>
7386
7387         PR middle-end/23401
7388         PR middle-end/27810
7389         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7390         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7391         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7392         a separate statement.
7393         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7394         (lookup_tmp_var): Likewise.
7395         (is_gimple_formal_tmp_or_call_rhs): Remove.
7396         (is_gimple_reg_or_call_rhs): Rename to ...
7397         (is_gimple_reg_rhs_or_call): ... this.
7398         (is_gimple_mem_or_call_rhs): Rename to ...
7399         (is_gimple_mem_rhs_or_call): ... this.
7400         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7401         DECL_GIMPLE_REG_P only if is_formal is true.
7402         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7403         for non-proper post-modify expression gimplification.
7404         (gimplify_self_mod_expr): For post-modify expressions gimplify
7405         the lvalue to a minimal lvalue.
7406         (rhs_predicate_for): Remove formal temp case.
7407         (gimplify_modify_expr_rhs): Likewise.
7408         (gimplify_addr_expr): Use is_gimple_reg.
7409         (gimplify_expr): Remove formal temp cases.
7410         (gimple_regimplify_operands): Likewise.
7411         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7412         and FILTER_EXPR like constants.
7413         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7414         is_gimple_reg.
7415         (is_gimple_formal_tmp_rhs): Remove.
7416         (is_gimple_reg_rhs): Remove special casing.
7417         (is_gimple_mem_rhs): Fix.
7418         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7419         (is_gimple_formal_tmp_var): Remove.
7420         (is_gimple_formal_tmp_reg): Likewise.
7421         (is_gimple_min_lval): Allow invariant component ref parts.
7422         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7423         is_gimple_formal_tmp_reg): Remove declarations.
7424         * tree-cfg.c (verify_expr): Verify that variables with address
7425         taken do not have DECL_GIMPLE_REG_P set.
7426         * tree-mudflap.c (mf_build_check_statement_for): Use
7427         force_gimple_operand instead of gimplify_expr.
7428
7429 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7430
7431         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7432         schedulable rows to compute_split_row.
7433
7434 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7435
7436         PR target/31635
7437         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7438         OPT_mvrsave.
7439
7440 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7441
7442         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7443         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7444         * configure: Regenerate.
7445         * config.in: Regenerate.
7446         * config/rs6000/rs6000.opt (mtls-markers): Add.
7447         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7448         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7449         (tls_ld_aix, tls_ld_sysv): Likewise.
7450         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7451         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7452
7453 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7454
7455         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7456
7457 2009-03-30  Jan Hubicka  <jh@suse.cz>
7458
7459         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7460         out of RESX.
7461         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7462         detection and label handling.
7463
7464 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7465
7466         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7467         left_conflicts_size.
7468         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7469         ALLOCNO_LEFT_CONFLICTS_SIZE.
7470
7471         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7472         remove_allocno_from_bucket_and_push,
7473         allocno_spill_priority_compare, push_allocnos_to_stack,
7474         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7475         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7476         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7477         setup_allocno_left_conflicts_size.
7478         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7479         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7480         setup_allocno_left_conflicts_size instead of
7481         setup_allocno_left_conflicts_num.
7482
7483         * ira-build.c (ira_create_allocno): Use
7484         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7485         ALLOCNO_LEFT_CONFLICTS_NUM.
7486
7487 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7488
7489         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7490         instead of DF_LR_OUT.
7491
7492         * ira-lives.c (process_bb_node_lives): Ditto.
7493
7494         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7495         instead of DF_LR_{OUT,IN}.
7496
7497         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7498
7499         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7500
7501 2009-03-30  Jan Hubicka  <jh@suse.cz>
7502
7503         * except.c (label_to_region_map): Fix thinko.
7504
7505 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7506
7507         PR middle-end/38237
7508         * tree.h (tree_find_value): New declaration.
7509         * tree.c (tree_find_value): New function.
7510         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7511
7512 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7513
7514         PR debug/39563
7515         * c-decl.c (struct c_binding): Add locus field.
7516         (bind): Add locus argument, set locus field from it.
7517         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7518         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7519         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7520         implicitly_declare, undeclared_variable, lookup_label,
7521         declare_label, c_make_fname_decl, c_builtin_function,
7522         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7523         bind callers.
7524
7525 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7526
7527         PR target/38781
7528         * config/i386/i386.c (classify_argument): Check total size of
7529         structure.
7530
7531 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7532
7533         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7534         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7535         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7536         respectively.
7537
7538         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7539         seen_variable_array_ref while also traversing a union.
7540
7541         * tree-inline.c (optimize_inline_calls): Do not call
7542         cgraph_node_remove_callees.
7543         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7544         (pass_remove_cgraph_callee_edges): New variable.
7545         * passes.c (init_optimization_passes): Add
7546         pass_remove_cgraph_callee_edges after early inlining and before all
7547         late intraprocedural passes.
7548
7549         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7550
7551 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7552
7553         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7554         Fix typos in names.
7555
7556 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7557
7558         * combine.c (simplify_comparison): Use have_insn_for.
7559         * dojump.c (do_jump): Likewise.
7560
7561 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7562
7563         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7564         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7565         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7566         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7567         instead of sparc_compare_emitted.
7568         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7569         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7570         instead of sparc_compare_emitted.
7571
7572 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7573
7574         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7575         enter/exit cfglayout mode.
7576         (pass_partition_block): Require it.
7577         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7578         (combine_instructions): Track basic blocks instead of labels.
7579         (update_cfg_for_uncondjump): New.
7580         (try_combine): Use it.  Update jumps after rescanning.
7581         (pass_combine): Require PROP_cfglayout.
7582         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7583
7584 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7585
7586         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7587         Provide/destroy PROP_cfglayout respectively.
7588         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7589         * tree-pass.h (PROP_cfglayout): New.
7590
7591 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7592
7593         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7594         fold_convert_const_fixed_from_fixed,
7595         fold_convert_const_fixed_from_int,
7596         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7597         set TREE_CONSTANT_OVERFLOW.
7598         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7599         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7600
7601 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7602
7603         * tree-vect-loop-manip.c: New file.
7604         * tree-vectorizer.c: Update documentation and included files.
7605         (vect_loop_location): Make extern.
7606         (rename_use_op): Move to tree-vect-loop-manip.c
7607         (rename_variables_in_bb, rename_variables_in_loop,
7608         slpeel_update_phis_for_duplicate_loop,
7609         slpeel_update_phi_nodes_for_guard1,
7610         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7611         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7612         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7613         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7614         find_loop_location): Likewise.
7615         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7616         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7617         get_vectype_for_scalar_type, vect_is_simple_use,
7618         supportable_widening_operation, supportable_narrowing_operation):
7619         Likewise.
7620         (bb_in_loop_p): Move to tree-vect-loop.c.
7621         (new_loop_vec_info, destroy_loop_vec_info,
7622         reduction_code_for_scalar_code, report_vect_op,
7623         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7624         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7625         (vect_supportable_dr_alignment): Likewise.
7626         * tree-vectorizer.h (tree-data-ref.h): Include.
7627         (vect_loop_location): Declare.
7628         Reorganize function declarations according to the new file structure.
7629         * tree-vect-loop.c: New file.
7630         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7631         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7632         * tree-vect-data-refs.c: New file.
7633         * tree-vect-patterns.c (timevar.h): Don't include.
7634         * tree-vect-stmts.c: New file.
7635         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7636         tree-vect-slp.c, tree-vect-loop.c.
7637         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7638         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7639         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7640         (tree-vect-analyze.o): Remove.
7641         (tree-vect-transform.o): Likewise.
7642         (tree-vect-data-refs.o): Add rule.
7643         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7644         tree-vect-slp.o): Likewise.
7645         (tree-vect-patterns.o): Remove redundant dependencies.
7646         (tree-vectorizer.o): Likewise.
7647         * tree-vect-slp.c: New file.
7648
7649 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7650
7651         * optc-gen.awk: Warn if an option flag has multiple different
7652         help strings.
7653
7654 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7655
7656         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7657         -floop-block): Document dependences on PPL, CLooG and Graphite.
7658
7659 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7660
7661         PR rtl-optimization/323
7662         * c-common.c (c_fully_fold, convert_and_check,
7663         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7664         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7665         * c-common.def (EXCESS_PRECISION_EXPR): New.
7666         * c-cppbuiltin.c (builtin_define_float_constants): Define
7667         constants with enough digits for long double.
7668         * c-lex.c (interpret_float): Interpret constant with excess
7669         precision where appropriate.
7670         * c-opts.c (c_common_post_options): Set
7671         flag_excess_precision_cmdline.  Give an error for
7672         -fexcess-precision=standard for C++ for processors where the
7673         option is significant.
7674         * c-parser.c (c_parser_conditional_expression): Handle excess
7675         precision in condition.
7676         * c-typeck.c (convert_arguments): Handle arguments with excess
7677         precision.
7678         (build_unary_op): Move excess precision outside operation.
7679         (build_conditional_expr): Likewise.
7680         (build_compound_expr): Likewise.
7681         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7682         (build_modify_expr): Handle excess precision in RHS.
7683         (convert_for_assignment): Handle excess precision in converted
7684         value.
7685         (digest_init, output_init_element, process_init_element): Handle
7686         excess precision in initializer.
7687         (c_finish_return): Handle excess precision in return value.
7688         (build_binary_op): Handle excess precision in operands and add
7689         excess precision as needed for operation.
7690         * common.opt (-fexcess-precision=): New option.
7691         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7692         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7693         For standard excess precision, output explicit conversion to and
7694         truncation from XFmode.
7695         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7696         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7697         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7698         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7699         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7700         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7701         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7702         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7703         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7704         define_splits, sqrt<mode>2): Disable where appropriate for
7705         standard excess precision.
7706         * convert.c (convert_to_real): Do not shorten arithmetic to type
7707         for which excess precision would be used.
7708         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7709         * doc/invoke.texi (-fexcess-precision=): Document option.
7710         (-mfpmath=): Correct index entry.
7711         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7712         flag_excess_precision): New.
7713         * langhooks.c (lhd_post_options): Set
7714         flag_excess_precision_cmdline.
7715         * opts.c (common_handle_option): Handle -fexcess-precision=.
7716         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7717         init_excess_precision): New.
7718         (lang_dependent_init_target): Call init_excess_precision.
7719         * tree.c (excess_precision_type): New.
7720         * tree.h (excess_precision_type): Declare.
7721
7722 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7723
7724         PR c/35235
7725         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7726         non-lvalue to component.
7727
7728 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7729
7730         PR preprocessor/34695
7731         * Makefile.in (c-opts.o): Depend on c-tree.h.
7732         * c-common.c: Move down include of diagnostic.h.
7733         (done_lexing, c_cpp_error): New.
7734         * c-common.h (done_lexing): Declare.
7735         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7736         (parse_in).
7737         * c-opts.c: Include c-tree.h.
7738         (c_common_init_options): Set preprocessor error callback.
7739         (c_common_handle_option): Do not set preprocessor
7740         inhibit_warnings, warnings_are_errors, warn_system_headers,
7741         pedantic_errors or inhibit_warnings flags.
7742         (c_common_post_options): Do not check cpp_errors (parse_in).
7743         (c_common_finish): Do not output dependencies if there were
7744         errors.  Do not check return value of cpp_finish.
7745         * c-ppoutput.c (pp_file_change): Set input_location.
7746         * c-tree.h (c_cpp_error): Declare.
7747         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7748         override_column.
7749         (diagnostic_build_prefix): Check override_column.
7750         * diagnostic.h (diagnostic_info): Add override_column field.
7751         (diagnostic_override_column): Define.
7752
7753 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7754
7755         * c-common.c (c_expand_expr, c_staticp): Remove.
7756         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7757         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7758         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7759         * c-gimplify.c (gimplify_compound_literal_expr,
7760         optimize_compound_literals_in_ctor): Remove.
7761         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7762         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7763         * c-semantics.c (emit_local_var): Remove.
7764
7765         * langhooks-def.h (lhd_expand_expr): Remove.
7766         * langhooks.c (lhd_expand_expr): Remove.
7767         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7768
7769         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7770         handling from c-semantics.c; don't call into langhook.
7771         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7772         * gimplify.c (gimplify_compound_literal_expr,
7773         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7774         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7775         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7776         as was done in c-gimplify.c.
7777         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7778         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7779         Move from c-common.h.
7780         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7781
7782         * tree.c (staticp): Do not call langhook.
7783         * langhooks.c (lhd_staticp): Delete.
7784         * langhooks-def.h (lhd_staticp): Delete prototype.
7785         (LANG_HOOKS_STATICP): Delete.
7786         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7787
7788         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7789         instead of DECL_STMTs.
7790
7791 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7792
7793         PR c/456
7794         PR c/5675
7795         PR c/19976
7796         PR c/29116
7797         PR c/31871
7798         PR c/35198
7799         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7800         void_type_node.
7801         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7802         contained expression.
7803         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7804         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7805         conditional expressions for C.
7806         (decl_constant_value_for_optimization): Move from
7807         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7808         whether optimizing and that the expression is a VAR_DECL not of
7809         array type instead of doing such checks in the caller.  Do not
7810         check pedantic.  Call gcc_unreachable for C++.
7811         * c-common.def (C_MAYBE_CONST_EXPR): New.
7812         * c-common.h (c_fully_fold, c_save_expr,
7813         decl_constant_value_for_optimization): New prototypes.
7814         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7815         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7816         EXPR_INT_CONST_OPERANDS): Define.
7817         * c-convert.c (convert): Strip nops from expression.
7818         * c-decl.c (groktypename): Take extra parameters expr and
7819         expr_const_operands.  Update call to grokdeclarator.
7820         (start_decl): Update call to grokdeclarator.  Add statement for
7821         expressions used in type of decl.
7822         (grokparm): Update call to grokdeclarator.
7823         (push_parm_decl): Update call to grokdeclarator.
7824         (build_compound_literal): Add parameter non_const and build a
7825         C_MAYBE_COSNT_EXPR if applicable.
7826         (grokdeclarator): Take extra parameters expr and
7827         expr_const_operands.  Track expressions used in declaration
7828         specifiers and declarators.  Fold array sizes and track whether
7829         they are constant expressions and whether they are integer
7830         constant expressions.
7831         (parser_xref_tag): Set expr and expr_const_operands fields in
7832         return value.
7833         (grokfield): Update call to grokdeclarator.
7834         (start_function): Update call to grokdeclarator.
7835         (build_null_declspecs): Set expr and expr_const_operands fields in
7836         return value.
7837         (declspecs_add_type): Handle expressions in typeof specifiers.
7838         * c-parser.c (c_parser_declspecs): Set expr and
7839         expr_const_operands fields for declaration specifiers.
7840         (c_parser_enum_specifier): Likewise.
7841         (c_parser_struct_or_union_specifier): Likewise.
7842         (c_parser_typeof_specifier): Likewise.  Update call to
7843         groktypename.  Fold expression as needed.  Return expressions with
7844         type instead of adding statements.
7845         (c_parser_attributes): Update calls to c_parser_expr_list.
7846         (c_parser_statement_after_labels): Fold expression before passing
7847         to objc_build_throw_stmt.
7848         (c_parser_condition): Fold expression.
7849         (c_parser_asm_operands): Fold expression.
7850         (c_parser_conditional_expression): Use c_save_expr.  Update call
7851         to build_conditional_expr.
7852         (c_parser_alignof_expression): Update call to groktypename.
7853         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7854         original_code.  Fold expression argument of va_arg.  Create
7855         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7856         argument to va_arg.  Update calls to groktypename.  Fold array
7857         index for offsetof.  Verify that first argument to
7858         __builtin_choose_expr has integer type.
7859         (c_parser_postfix_expression_after_paren_type): Update calls to
7860         groktypename and build_compound_literal.  Handle expressions with
7861         side effects in type name.
7862         (c_parser_postfix_expression_after_primary): Update call to
7863         c_parser_expr_list.  Set original_code for calls to
7864         __builtin_constant_p.
7865         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7866         expressions if requested.
7867         (c_parser_objc_type_name): Update call to groktypename.
7868         (c_parser_objc_synchronized_statement): Fold expression.
7869         (c_parser_objc_receiver): Fold expression.
7870         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7871         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7872         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7873         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7874         (struct c_typespec): Add elements expr and expr_const_operands.
7875         (struct c_declspecs): Add elements expr and expr_const_operands.
7876         (groktypename, build_conditional_expr, build_compound_literal):
7877         Update prototypes.
7878         (in_late_binary_op): Declare.
7879         * c-typeck.c (note_integer_operands): New function.
7880         (in_late_binary_op): New variable.
7881         (decl_constant_value_for_broken_optimization): Move to c-common.c
7882         and rename to decl_constant_value_for_optimization.
7883         (default_function_array_conversion): Do not strip nops.
7884         (default_conversion): Do not call
7885         decl_constant_value_for_broken_optimization.
7886         (build_array_ref): Do not fold result.
7887         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7888         result when operand is a VLA.
7889         (c_expr_sizeof_type): Update call to groktypename.  Handle
7890         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7891         result when operand names a VLA type.
7892         (build_function_call): Update call to build_compound_literal.
7893         Only fold result for calls to __builtin_* functions.  Strip
7894         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7895         the function designator.
7896         (convert_arguments): Fold arguments.  Update call to
7897         convert_for_assignment.
7898         (build_unary_op): Handle increment and decrement of
7899         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7900         decrement earlier.  Fold operand of increment and decrement.
7901         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7902         built for integer operand.  Wrap returns that are INTEGER_CSTs
7903         without being integer constant expressions or that have integer
7904         constant operands without being INTEGER_CSTs.
7905         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7906         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7907         result is an integer constant expression or can be used in
7908         unevaluated parts of one and avoid folding and wrap as
7909         appropriate.  Fold operands before possibly doing -Wsign-compare
7910         warnings.
7911         (build_compound_expr): Wrap result for C99 if operands can be used
7912         in integer constant expressions.
7913         (build_c_cast): Update call to digest_init.  Do not ignore
7914         overflow from casting floating-point constants to integers.  Wrap
7915         results that could be confused with integer constant expressions,
7916         null pointer constants or floating-point constants.
7917         (c_cast_expr): Update call to groktypename.  Handle expressions
7918         included in type name.
7919         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7920         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7921         Update calls to convert_for_assignment.
7922         (convert_for_assignment): Take new parameter
7923         null_pointer_constant.  Do not strip nops or call
7924         decl_constant_value_for_broken_optimization.  Set
7925         in_late_binary_op for conversions to boolean.
7926         (store_init_value): Update call to digest_init.
7927         (digest_init): Take new parameter null_pointer_constant.  Do not
7928         call decl_constant_value_for_broken_optimization.  pedwarn for
7929         initializers not constant expressions.  Update calls to
7930         convert_for_assignment.
7931         (constructor_nonconst): New.
7932         (struct constructor_stack): Add nonconst element.
7933         (really_start_incremental_init, push_init_level, pop_init_level):
7934         Handle constructor_nonconst and nonconst element.
7935         (set_init_index): Call constant_expression_warning for array
7936         designators.
7937         (output_init_element): Fold value.  Set constructor_nonconst as
7938         applicable.  pedwarn for initializers not constant expressions.
7939         Update call to digest_init.  Call constant_expression_warning
7940         where constant initializers are required.
7941         (process_init_element): Use c_save_expr.
7942         (c_finish_goto_ptr): Fold expression.
7943         (c_finish_return): Fold return value.  Update call to
7944         convert_for_assignment.
7945         (c_start_case): Fold switch expression.
7946         (c_process_expr_stmt): Fold expression.
7947         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7948         ensure statement expression is not evaluated in constant expression.
7949         (build_binary_op): Track whether results are integer constant
7950         expressions or may occur in such, disable folding and wrap results
7951         as applicable.  Fold operands for -Wsign-compare warnings unless
7952         in_late_binary_op.
7953         (c_objc_common_truthvalue_conversion): Handle results folded to
7954         integer constants that are not integer constant expressions.
7955         * doc/extend.texi: Document when typeof operands are evaluated,
7956         that condition of __builtin_choose_expr is an integer constant
7957         expression, and more about use of __builtin_constant_p in
7958         initializers.
7959
7960 2009-03-29  Richard Guenther  <rguenther@suse.de>
7961
7962         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7963         propagate addresses of array references.
7964
7965 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7966
7967         * regmove.c (perhaps_ends_bb_p): Remove.
7968         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7969         from INSN and check that the main loop stays within that basic block.
7970         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7971         (regmove_forward_pass): Split out from regmove_optimize.  Use
7972         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7973         (regmove_backward_pass): Split out from regmove_optimize.  Use
7974         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7975         (regmove_optimize): Simplify.
7976
7977 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7978
7979         PR target/39545
7980         * config/i386/i386.c (classify_argument): Ignore flexible array
7981         member in struct and warn ABI change.
7982
7983 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7984
7985         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7986
7987         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7988         (ix86_adjust_cost): Updated.
7989
7990 2009-03-29  Jan Hubicka  <jh@suse.cz>
7991
7992         PR middle-end/28850
7993         * tree-pass.h (pass_cleanup_eh): New function.
7994         (remove_unreachable_regions): Break code handling RTL
7995         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7996         that can not be reached by runtime.
7997         (can_be_reached_by_runtime): New function.
7998         (label_to_region_map): New function.
7999         (num_eh_regions): New function.
8000         (rtl_remove_unreachable_regions): New function.
8001         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8002         (remove_eh_region): New function.
8003         * except.h: Include sbitmap and vecprim.
8004         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8005         num_eh_regions): Declare.
8006         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8007         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8008         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8009         (tree_empty_eh_handler_p): New function.
8010         (cleanup_empty_eh): New function.
8011         (cleanup_eh): New function.
8012         (pass_cleanup_eh): New function.
8013
8014 2009-03-29  Jan Hubicka  <jh@suse.cz>
8015
8016         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8017         for removed regions.
8018
8019 2009-03-29  Jan Hubicka  <jh@suse.cz>
8020
8021         * except.c (dump_eh_tree): Dump all datastructures.
8022
8023 2009-03-29  Jan Hubicka  <jh@suse.cz>
8024
8025         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8026         (duplicate_eh_regions_1): Likewise.
8027         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8028         vector; call EH verification.
8029         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8030         Be ready for region being removed.
8031
8032 2009-03-29  Jan Hubicka  <jh@suse.cz>
8033
8034         * bitmap.c (bitmap_last_set_bit): New function.
8035         * bitmap.h (bitmap_last_set_bit): Declare.
8036
8037 2009-03-29  David Ayers  <ayers@fsfe.org>
8038
8039         PR objc/27377
8040         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8041         by calling objc_compare_types and surpress warnings about
8042         incompatible C pointers that are compatible ObjC pointers.
8043
8044 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8045
8046         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8047         call initialize_inline_failed.
8048         (initialize_inline_failed): Move it from here ...
8049         * cgraph.c (initialize_inline_failed): ... to here.
8050         (cgraph_create_edge): Call initialize_inline_failed rather than
8051         setting inline_failed directly.
8052
8053 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8054
8055         PR target/32542
8056         * sysv4.opt (msdata): Improve comment.
8057         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8058         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8059
8060 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8061
8062         PR target/30451
8063         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8064         load and store attributes.
8065
8066 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8067
8068         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8069         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8070         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8071         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8072         __builtin_infq and __builtin_huge_valq.
8073
8074 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8075
8076         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8077         atmega8m1 devices.
8078         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8079         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8080
8081 2009-03-28  Xinliang David Li  <davidxl@google.com>
8082
8083         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8084         (do_dbg_cnt): New function.
8085
8086 2009-03-28  Jan Hubicka  <jh@suse.cz>
8087
8088         Merge from pretty-ipa:
8089
8090         2009-03-27  Jan Hubicka  <jh@suse.cz>
8091
8092         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8093         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8094         * passes.c (function_called_by_processed_nodes_p): New.
8095         * ipa-pure-const.c (check_call): Fix handling of operands.
8096         (analyze_function): Dump debug output for skipped bodies.
8097         (local_pure_const): Use function_called_by_processed_nodes_p.
8098         * dwarf2out.c (reference_to_unused): Use output.
8099         * passes.c (do_per_function_toporder): Likewise.
8100
8101         2008-11-12  Jan Hubicka  <jh@suse.cz>
8102
8103         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8104         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8105         state_set_in_source enum
8106         (check_decl): Ignore memory tags; do not set fake looping flags;
8107         dump diagnostics.
8108         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8109         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8110         (check_call, analyze_function): Rewrite.
8111         (check_stmt): New.
8112         (add_new_function): Update call of analyze_function.
8113         (generate_summary): Add call of analyze_function.
8114         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8115         (local_pure_const): New function.
8116         (pass_local_pure_const): New pass.
8117         * ipa-inline.c (inline_transform): Set after_inlining.
8118         * tree-eh.c (stmt_can_throw_external): New.
8119         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8120         work with aliasing built.
8121         * tree-flow.h (stmt_can_throw_external): New.
8122         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8123         and local pure/const pass in early and late optimization queue.
8124
8125 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8126
8127         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8128         allow_func_align.
8129         (fold_binary): Allow function decl aligment consideration is the
8130         second argument is integer constant one.
8131         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8132         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8133         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8134
8135 2009-03-28  Jan Hubicka  <jh@suse.cz>
8136
8137         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8138         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8139         * function.h (rtl_data): Add nothrow flag.
8140         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8141         set DECL_NOTHROW for AVAILABLE functions.
8142
8143 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8144
8145         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8146         following vector keyword has expansion starting with pixel or bool
8147         keyword, expand vector to __vector and pixel or bool to __pixel or
8148         __bool.
8149
8150         PR c++/39554
8151         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8152         warn_if_disallowed_function_p): Removed.
8153         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8154         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8155         warning_if_disallowed_function_p.
8156         * flags.h (warn_if_disallowed_function_p,
8157         warn_disallowed_functions): Removed.
8158         * common.opt (Wdisallowed-function-list=): Removed.
8159         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8160
8161 2009-03-28  Richard Guenther  <rguenther@suse.de>
8162
8163         PR tree-optimization/38723
8164         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8165         the entry block.
8166
8167 2009-03-28  Jan Hubicka  <jh@suse.cz>
8168
8169         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8170         test introduced by my previous patch.
8171
8172 2009-03-28  Richard Guenther  <rguenther@suse.de>
8173
8174         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8175         the PHIs value undefined.
8176
8177 2009-03-28  Jan Hubicka  <jh@suse.cz>
8178
8179         * tree-pass.h (pass_fixup_cfg): New pass.
8180         * ipa-inline.c (inline_transform): Set
8181         always_inline_functions_inlined/after_inlining.
8182         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8183         (pass_fixup_cfg): New pass.
8184         * passes.c (init_optimization_passes): Add fixup_cfg.
8185
8186 2009-03-28  Richard Guenther  <rguenther@suse.de>
8187
8188         PR tree-optimization/38458
8189         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8190         argument use the arguments copy-of value.
8191
8192 2009-03-28  Richard Guenther  <rguenther@suse.de>
8193
8194         PR tree-optimization/38180
8195         * tree-ssa-ccp.c (get_default_value): Simplify.
8196         (likely_value): Likewise.
8197         (surely_varying_stmt_p): Properly handle VOP case.
8198         (ccp_initialize): Likewise.
8199         (ccp_fold): Handle propagating through *&.
8200         (fold_const_aggregate_ref): Also handle decls.
8201
8202 2009-03-28  Jan Hubicka  <jh@suse.cz>
8203
8204         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8205         * cgraph.h (cgraph_node): Likewise.
8206         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8207         (cgraph_reset_node): Use process flag.
8208         (cgraph_mark_functions_to_output): Likewise.
8209         (cgraph_expand_function): Likewise.
8210         (cgraph_expand_all_functions): Likewise.
8211         (cgraph_output_in_order): Likewise.
8212         * dwarf2out.c (reference_to_unused): Likewise.
8213         * passes.c do_per_function_toporder): Likewise.
8214
8215 2009-03-28  Jan Hubicka  <jh@suse.cz>
8216
8217         Bring from lto-branch:
8218
8219         2008-09-03  Doug Kwan  <dougkwan@google.com>
8220
8221         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8222         enums instead of reason strings.
8223         * cgraph.c (cgraph_create_edge): Same.
8224         (cgraph_inline_failed_string): New function.
8225         * cgraph.h (cgraph_inline_failed_t): New enum type.
8226         (cgraph_inline_failed_string): New prototype.
8227         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8228         char pointer to cgraph_inline_failed_t.
8229         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8230         (cgraph_default_inline_p): Ditto.
8231         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8232         to cgraph_inline_failed_t pointer.
8233         * cif-code.def: New file.
8234         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8235         reason string.
8236         (cgraph_check_inline_limits): Change type of REASON to pointer to
8237         cgraph_inline_failed_t.  Replace reason strings with enums.
8238         (cgraph_default_inline_p): Ditto.
8239         (cgraph_recursive_inlining_p): Ditto.
8240         (update_caller_keys): Change type of FAILED_REASON to
8241         cgraph_inline_failed_t.
8242         (cgraph_set_inline_failed): Change type of REASON to pointer to
8243         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8244         convert enums to strings for text output.
8245         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8246         to be of type cgraph_inline_failed_t.  Replace reason strings with
8247         enums.  Call cgraph_inline_failed_string to covert enums
8248         to strings for text output.
8249         (cgraph_decide_inlining): Replace reason strings with enums.
8250         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8251         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8252         for text output.
8253         * tree-inline.c (expand_call_inline): Change type of REASON
8254         to cgraph_inline_failed_t.  Replace reason strings with enums.
8255         Call cgraph_inline_failed_string for text output.
8256         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8257         (cgraph.o): Ditto.
8258
8259 2009-03-28  Jan Hubicka  <jh@suse.cz>
8260
8261         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8262         cgraph_clone_node): Remove master clone handling.
8263         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8264         * cgraph.h (master_clone): Remove.
8265         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8266         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8267         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8268
8269 2009-03-28  Jan Hubicka  <jh@suse.cz>
8270
8271         * cgraph.c (cgraph_function_body_availability): Functions declared
8272         inline are always safe to assume that it is not going to be replaced.
8273
8274 2009-03-28  Richard Guenther  <rguenther@suse.de>
8275
8276         PR tree-optimization/38513
8277         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8278         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8279         EXC_PTR_EXPR and FILTER_EXPR.
8280         (get_ref_from_reference_ops): Likewise.
8281
8282 2009-03-28  Richard Guenther  <rguenther@suse.de>
8283
8284         PR tree-optimization/38968
8285         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8286         Use FLOOR_MOD_EXPR to compute misalignment.
8287
8288 2009-03-28  Richard Guenther  <rguenther@suse.de>
8289
8290         PR tree-optimization/37795
8291         * tree.h (combine_comparisons): Declare.
8292         * fold-const.c (combine_comparisons): Export.
8293         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8294         comparisons.
8295         (ifcombine_iforif): Use combine_comparisons.
8296
8297 2009-03-28  Jan Hubicka  <jh@suse.cz>
8298
8299         * tree-eh.c (inlinable_call_p): New function.
8300         (make_eh_edges): Use it.
8301         (verify_eh_edges): Use it.
8302         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8303         * except.c (reachable_next_level): Add inlinable_function argument
8304         (sjlj_find_directly_reachable_regions): Update.
8305         (add_reachable_handler): Do not set saw_any_handlers.
8306         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8307         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8308         Add new inlinable call parameter.
8309         (can_throw_internal, can_throw_external): Update.
8310         * except.h (can_throw_internal_1, can_throw_external_1,
8311         foreach_reachable_handler): Update declaration.
8312
8313 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8314
8315         * config/arm/t-arm-coff, config/h8300/coff.h,
8316         config/i386/i386-aout.h, config/i386/i386-coff.h,
8317         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8318         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8319         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8320         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8321         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8322         sys-types.h: Remove.
8323         * Makefile.in: Remove protoize and fixproto support and references
8324         in comments.
8325         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8326         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8327         Remove.
8328         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8329         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8330         unprotoize$(exeext).
8331         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8332         (.PHONY): Don't depend on proto.
8333         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8334         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8335         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8336         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8337         build/gen-protos.o, build/scan.o, xsys-protos.h,
8338         build/fix-header$(build_exeext), build/fix-header.o,
8339         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8340         stmp-install-fixproto): Remove.
8341         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8342         SYSCALLS.c or fixproto files.
8343         (install-common): Don't install protoize.
8344         (install-headers-tar, install-headers-cpio, install-headers-cp):
8345         Don't depend on $(STMP_FIXPROTO).
8346         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8347         install fixproto files or write out fixproto settings.
8348         (uninstall): Don't uninstall protoize.
8349         * config.gcc (use_fixproto): Remove.
8350         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8351         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8352         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8353         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8354         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8355         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8356         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8357         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8358         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8359         * config/t-vxworks (STMP_FIXPROTO): Remove.
8360         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8361         STMP_FIXPROTO): Remove.
8362         * config.in, configure: Regenerate.
8363         * crtstuff.c (gid_t, uid_t): Don't undefine.
8364         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8365         (arm-*-coff, arm-*-aout: Remove target entries.
8366         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8367         Remove mention of AIX 4.1.
8368         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8369         * doc/invoke.texi (Running Protoize): Remove.
8370         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8371         (Protoize Caveats): Remove.
8372         * tsystem.h: Update comments on headers assumed to exist.
8373
8374 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8375
8376         * genautomata.c: Add a new year to the copyright.  Add a new
8377         reference.
8378         (struct insn_reserv_decl): Add comments for member bypass_list.
8379         (find_bypass): Remove.
8380         (insert_bypass): New.
8381         (process_decls): Use insert_bypass.
8382         (output_internal_insn_latency_func): Output all bypasses with the
8383         same input insn in one switch case.
8384
8385         * rtl.def (define_bypass): Describe bypass choice.
8386         * doc/md.texi (define_bypass): Ditto.
8387
8388 2009-03-27  Richard Guenther  <rguenther@suse.de>
8389
8390         * gimplify.c (mark_addressable): Export.
8391         * tree-flow.h (mark_addressable): Declare.
8392         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8393         * tree-ssa.c (verify_phi_args): Verify that address taken
8394         variables have TREE_ADDRESSABLE set.
8395
8396 2009-03-27  Richard Guenther  <rguenther@suse.de>
8397
8398         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8399         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8400         Do not mark decls TREE_ADDRESSABLE.
8401         (build_fold_addr_expr): Adjust.
8402         (fold_addr_expr): Remove.
8403         (fold_unary): Use build_fold_addr_expr.
8404         (fold_comparison): Likewise.
8405         (split_address_to_core_and_offset): Likewise.
8406         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8407         TREE_ADDRESSABLE.
8408         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8409         (gimplify_modify_expr_to_memcpy): Mark source and destination
8410         addressable.
8411         * omp-low.c (create_omp_child_function): Mark the object decl
8412         TREE_ADDRESSABLE.
8413         (lower_rec_input_clauses): Mark the var we take the address of
8414         TREE_ADDRESSABLE.
8415         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8416
8417 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8418
8419         PR middle-end/39315
8420         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8421         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8422
8423 2009-03-27  Richard Guenther  <rguenther@suse.de>
8424
8425         PR tree-optimization/39120
8426         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8427         constraints.
8428         (handle_lhs_call): Process return constraints.  Add escape
8429         constraints if necessary.
8430         (handle_const_call): Fill out return constraints.  Make nested
8431         case more precise.  Avoid consttmp if possible.
8432         (handle_pure_call): Fill out return constraints.  Avoid
8433         callused if possible.
8434         (find_func_aliases): Simplify call handling.
8435
8436 2009-03-27  Richard Guenther  <rguenther@suse.de>
8437
8438         PR tree-optimization/39120
8439         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8440         as a representative.
8441         (solve_graph): Do propagate CALLUSED.
8442         (handle_pure_call): Use a scalar constraint from CALLUSED for
8443         the return value.
8444         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8445         solutions.
8446
8447 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8448
8449         PR c/39323
8450         * c-common.c (handle_aligned_attribute): Properly check alignment
8451         overflow.  Use (1U << i) instead of (1 << i).
8452
8453         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8454
8455         * expr.h (get_mem_align_offset): Updated.
8456
8457         * tree.h (tree_decl_common): Change align to "unsigned int" and
8458         move it before pointer_alias_set.
8459
8460 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8461             Jakub Jelinek  <jakub@redhat.com>
8462
8463         PR target/38034
8464         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8465         gr_register_operand with gr_reg_or_0_operand.
8466         (cmpxchg_rel_di): Likewise.
8467         (sync_lock_test_and_set<mode>): Likewise.
8468
8469 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8470
8471         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8472         (true_regnum): Likewise.
8473
8474         * rtlanal.c (subreg_info): Moved to ...
8475         * rtl.h (subreg_info): Here.  New.
8476         (subreg_get_info): New.
8477
8478         * rtlanal.c (subreg_get_info): Make it extern.
8479
8480 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8481
8482         PR target/39472
8483         * config/i386/i386.c (ix86_abi): New.
8484         (override_options): Handle -mabi=.
8485         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8486         (ix86_call_abi_override): Likewise.
8487         (init_cumulative_args): Likewise.
8488         (function_arg_advance): Likewise.
8489         (function_arg_64): Likewise.
8490         (function_arg): Likewise.
8491         (ix86_pass_by_reference): Likewise.
8492         (ix86_function_value_regno_p): Likewise.
8493         (ix86_build_builtin_va_list_abi): Likewise.
8494         (setup_incoming_varargs_64): Likewise.
8495         (is_va_list_char_pointer): Likewise.
8496         (ix86_init_machine_status): Likewise.
8497         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8498         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8499         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8500         (ix86_function_abi): Make it static and return enum calling_abi.
8501         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8502         with ix86_abi.
8503         (ix86_fn_abi_va_list): Updated.
8504
8505         * config/i386/i386.h (ix86_abi): New.
8506         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8507         (CONDITIONAL_REGISTER_USAGE): Likewise.
8508         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8509         (machine_function): Likewise.
8510
8511         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8512         with ix86_abi.
8513         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8514         (STACK_BOUNDARY): Likewise.
8515         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8516
8517         * config/i386/i386.opt (mabi=): New.
8518
8519         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8520         return enum calling_abi.
8521         (ix86_function_type_abi): Likewise.
8522         (ix86_function_abi): Removed.
8523
8524         * doc/invoke.texi: Document -mabi= option for x86.
8525
8526 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8527
8528         * builtins.c (real_dconstp): Delete.
8529         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8530
8531 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8532             Jakub Jelinek  <jakub@redhat.com>
8533
8534         PR debug/37959
8535         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8536         (gen_subprogram_die): When a function is explicit, generate the
8537         DW_AT_explicit attribute.
8538         * langhooks.h (struct lang_hooks_for_decls): Add
8539         function_decl_explicit_p langhook.
8540         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8541         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8542
8543 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8544
8545         * builtins.c (fold_builtin_memory_op): Optimize memmove
8546         into memcpy if we can prove source and destination don't overlap.
8547
8548         * tree-inline.c: Include gt-tree-inline.h.
8549         (clone_fn_id_num): New variable.
8550         (clone_function_name): New function.
8551         (tree_function_versioning): Use it.
8552         * Makefile.in (GTFILES): Add tree-inline.c.
8553
8554 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8555
8556         * BASE-VER: Change to 4.5.0.
8557
8558 2009-03-27  Xinliang David Li  <davidxl@google.com>
8559
8560         PR tree-optimization/39557
8561         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8562
8563 2009-03-27  Xinliang David Li  <davidxl@google.com>
8564
8565         PR tree-optimization/39548
8566         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8567         candidate check.
8568
8569 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8570
8571         * c-common.c (pointer_int_sum): Use %wd on return from
8572         tree_low_cst.
8573
8574 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8575
8576         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8577         on return from tree_low_cst.
8578
8579 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8580
8581         PR c++/36799
8582         * ginclude/stdarg.h (va_copy): Define also for
8583         __GXX_EXPERIMENTAL_CXX0X__.
8584
8585 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8586
8587         PR c++/35652
8588         * builtins.h (c_strlen): Do not warn here.
8589         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8590         * c-common.c (pointer_int_sum): Take an explicit location.
8591         Warn about offsets out of bounds.
8592         * c-common.h (pointer_int_sum): Adjust declaration.
8593
8594 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8595
8596         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8597         markup glitch.
8598
8599 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8600
8601         PR c++/39554
8602         * opts.c (warn_if_disallowed_function_p): Don't assume
8603         get_callee_fndecl must return non-NULL.
8604
8605 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8606
8607         PR rtl-optimization/39522
8608         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8609         when reg_reloaded_valid is set.
8610
8611 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8612
8613         * config/spu/divv2df3.c: New file.
8614         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8615         (DPBIT_FUNCS): Filter out _div_df.
8616
8617 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8618
8619         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8620         a jump insn, count that jump in the distance to the loop start.
8621
8622 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8623
8624         PR target/39523
8625         * config/sh/sh.c (calc_live_regs): Fix condition for global
8626         registers except PIC_OFFSET_TABLE_REGNUM.
8627
8628 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8629
8630         PR/39518
8631         * doc/invoke.texi (-mconsole): New.
8632         (-mcygwin): New.
8633         (-mno-cygwin): New.
8634         (-mdll): New.
8635         (-mnop-fun-dllimport): New.
8636         (-mthread): New.
8637         (-mwin32): New.
8638         (-mwindows): New.
8639         (sub section "i386 and x86-64 Windows Options"): New.
8640
8641 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8642
8643         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8644         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8645
8646 2009-03-25  Richard Guenther  <rguenther@suse.de>
8647
8648         PR middle-end/39497
8649         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8650         of -Wno-error.
8651
8652 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8653
8654         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8655         neither of haifa/selective schedulers are working.
8656
8657 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8658
8659         * doc/invoke.texi (Debugging Options): Fix description of
8660         -fno-merge-debug-strings.
8661
8662 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8663
8664         * config/cris/libgcc.ver: New version-script.
8665         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8666
8667         * configure.ac <GAS features, nop mnemonic>: Add pattern
8668         crisv32-*-* for "nop".
8669         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8670         * configure: Regenerate.
8671
8672 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8673
8674         PR tree-optimization/39529
8675         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8676         mark_sym_for_renaming for the tag copied to the new vector
8677         pointer.
8678
8679 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8680
8681         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8682         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8683         EXTRA_SPEC_FUNCTIONS.
8684         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8685         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8686         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8687         -march and -mtune options.
8688
8689 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8690
8691         * config/m68k/t-rtems: Add m5329 multilib.
8692
8693 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8694             Jakub Jelinek  <jakub@redhat.com>
8695
8696         PR debug/39524
8697         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8698         nodes.
8699
8700 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8701
8702         PR c/39495
8703         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8704         instead of c_parser_expression_conv, if original_code isn't one of the
8705         4 allowed comparison codes, fail.
8706
8707 2009-03-23  Richard Guenther  <rguenther@suse.de>
8708
8709         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8710         * tree.h (struct tree_type): Likewise.
8711         * reload.h (struct insn_chain): Likewise.
8712         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8713         * function.h (struct function): Likewise.
8714         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8715
8716 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8717
8718         PR tree-optimization/39516
8719         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8720
8721 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8722
8723         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8724         should be set true if BITS_PER_WORD of target is bigger than 32
8725
8726 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8727
8728         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8729         Translate -B-options to -rpath-link.  Correct existing
8730         rpath-link and conditionalize on !nostdlib.
8731
8732 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8733
8734         * doc/extend.texi (Function Attributes, Variable Attributes):
8735         Fix typos.
8736         * doc/invoke.texi (Debugging Options, Optimize Options)
8737         (i386 and x86-64 Options, MCore Options): Likewise.
8738
8739 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8740
8741         PR debug/37890
8742         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8743         it for block local namespace aliases.
8744         (gen_decl_die): Pass context_die to gen_namespace_die.
8745
8746 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8747
8748         PR c/39495
8749         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8750         minimum or maximum value.
8751
8752 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8753
8754         * reginfo.c (globalize_reg): Recompute derived reg sets.
8755
8756 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8757
8758         PR target/39063
8759         * libgcc2.c (mprotect): Do not use signed arguments for
8760         VirtualProtect, use DWORD arguments.  Also fix the 'may
8761         be used uninitialized' warning for the np variable.
8762
8763 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8764
8765         PR target/39496
8766         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8767         functions using regparm calling conventions when not optimizing.
8768         (ix86_function_sseregparm): Similarly for sseregparm calling
8769         conventions.
8770
8771 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8772
8773         PR middle-end/39500
8774         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8775         dependence if the first conflict is after niter iterations.
8776
8777 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8778
8779         PR middle-end/38609
8780         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8781         functions with dynamic stack-pointer adjustments.
8782
8783 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8784
8785         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8786         option; change to -msdata=data.
8787
8788 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8789
8790         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8791         and -fopenmp.
8792
8793 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8794
8795         PR target/35180
8796         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8797
8798 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8799
8800         * doc/invoke.texi (Code Gen Options): Expand discussion of
8801         -fno-common.
8802
8803 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8804
8805         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8806         * matrix-reorg.c (struct matrix_info): Likewise.
8807         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8808         * rtl.h (struct mem_attrs): Likewise.
8809         * df.h (struct df): Likewise.
8810         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8811         * ira-int.h (struct ira_allocno): Likewise.
8812         * df-scan.c (struct df_collection_rec): Likewise.
8813         * ira.c (struct equivalence): Likewise.
8814         * function.c (struct temp_slot): Likewise.
8815         * cfgloop.h (struct loop): Likewise.
8816
8817         PR debug/39485
8818         * function.c (use_register_for_decl): When not optimizing, disregard
8819         register keyword for variables with types containing methods.
8820
8821 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8822
8823         PR middle-end/39447
8824         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8825         (is_simple_operand): Call contains_component_ref_p before calling data
8826         reference analysis that would fail on COMPONENT_REFs.
8827
8828         * tree-vrp.c (search_for_addr_array): Fix formatting.
8829
8830 2009-03-18  Richard Guenther  <rguenther@suse.de>
8831
8832         * tree-vect-transform.c (vect_loop_versioning): Fold the
8833         generated comparisons.
8834         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8835         (slpeel_tree_peel_loop_to_edge): Likewise.
8836
8837 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8838
8839         PR middle-end/37805
8840         * opts.c (print_specific_help): In addition to `undocumented',
8841         accept `separate' and `joined' flags if passed alone.  Describe
8842         output by the first matched one of those.
8843         (common_handle_option): Skip over empty strings.
8844         * gcc.c (display_help): Fix help string for `--help='.
8845         * doc/invoke.texi (Option Summary, Overall Options): With
8846         `--help=', classes and qualifiers can both be repeated, but
8847         only the latter can be negated.  One should not pass only
8848         negated qualifiers.  Fix markup and examples.
8849
8850         Revert
8851         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8852         PR middle-end/37805
8853         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8854         and -fhelp=separate.
8855
8856 2009-03-17  Jing Yu  <jingyu@google.com>
8857
8858         PR middle-end/39378
8859         * function.h (struct rtl_data): Move is_thunk from here...
8860         (struct function): ...to here.
8861         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8862         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8863         cfun.
8864         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8865         cfun.
8866         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8867         (alpha_output_function_end_prologue): Likewise.
8868         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8869         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8870         (rs6000_output_function_epilogue): Likewise.
8871         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8872
8873 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8874
8875         PR target/39482
8876         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8877         from different units in a single alternative.
8878         (*truncdfsf_i387): Ditto.
8879         (*truncxfsf2_mixed): Ditto.
8880         (*truncxfdf2_mixed): Ditto.
8881
8882 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8883
8884         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8885         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8886
8887         PR debug/39474
8888         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8889         unused non-artificial variables when not optimizing.
8890
8891         PR debug/39471
8892         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8893         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8894         NAMESPACE_DECL in its DECL_INITIAL.
8895
8896         PR middle-end/39443
8897         * optabs.c (set_user_assembler_libfunc): New function.
8898         * expr.h (set_user_assembler_libfunc): New prototype.
8899         * c-common.c: Include libfuncs.h.
8900         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8901         for memcmp, memset, memcpy, memmove and abort.
8902         * Makefile.in (c-common.o): Depend on libfuncs.h.
8903
8904         PR debug/39412
8905         * dwarf2out.c (gen_inlined_enumeration_type_die,
8906         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8907         gen_tagged_type_instantiation_die): Removed.
8908         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8909         do nothing.
8910
8911 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8912
8913         PR testsuite/38526
8914         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8915         its use.
8916         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8917         (check-parallel-%): Ditto.
8918         (check-consistency): Ditto.
8919
8920 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8921
8922         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8923         local variable rhs by NULL_TREE.
8924
8925 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8926
8927         PR target/39477
8928         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8929
8930 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8931
8932         PR target/39476
8933         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8934
8935 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8936
8937         PR target/39473
8938         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8939         for ms->sysv ABI calls only in 64bit mode.
8940
8941         * config/i386/i386.md (untyped_call): Support 32bit.
8942
8943 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8944
8945         * doc/extend.texi: Replace x86_65 with x86_64.
8946
8947 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8948
8949         PR tree-optimization/39455
8950         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8951         mismatches for POINTER_TYPE_P (type).
8952         (number_of_iterations_le): Likewise.
8953
8954 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8955
8956         * config/picochip/picochip.c: Removed profiling support.
8957         * config/picochip/picochip.md: Removed profiling instruction.
8958         * config/picochip/picochip.h: Removed profiling builtin.
8959
8960 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8961
8962         * doc/install.texi (--with-host-libstdcxx): Document.
8963
8964 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8965
8966         PR target/34299
8967         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8968         generate a warning if the function name does not begin with
8969         "__vector" and the function has either the 'signal' or 'interrupt'
8970         attribute, from here to ...
8971         (avr_declare_function_name): ...here. New function.
8972         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8973         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8974
8975 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8976
8977         PR bootstrap/39454
8978         * cse.c (fold_rtx): Don't modify original const_arg1 when
8979         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8980         separate variable instead.
8981         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8982         from out of range shift counts.
8983         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8984
8985 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8986
8987         * config/i386/x-mingw32 (host-mingw32.o): Replace
8988         diagnostic.h with $(DIAGNOSTIC_H).
8989
8990 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8991
8992         PR target/39431
8993         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8994         predicate.
8995         * config/i386/sync.md (sync_compare_and_swap<mode>,
8996         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8997         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8998         into a register.
8999         (sync_double_compare_and_swapdi_pic,
9000         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9001         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9002
9003 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9004
9005         PR target/39445
9006         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9007
9008 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9009
9010         PR target/39327
9011         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9012         (avx_addsubv4df3): Likewise.
9013         (*avx_addsubv4sf3): Likewise.
9014         (sse3_addsubv4sf3): Likewise.
9015
9016 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9017
9018         PR target/38824
9019         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9020
9021 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9022
9023         PR debug/39432
9024         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9025         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9026         registers for allocnos created from user-defined variables.
9027
9028 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9029
9030         PR target/39181
9031         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9032         of non-integer mode as well.
9033
9034 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9035
9036         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9037         for functions for which the parameter types are unknown.
9038
9039 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9040
9041         PR target/39137
9042         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9043         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9044         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9045         * config/i386/i386.c (ix86_local_alignment): For
9046         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9047         long long variables on the stack to avoid dynamic realignment.
9048         Allow the first argument to be a decl rather than type.
9049         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9050
9051 2009-03-11  Nick Clifton  <nickc@redhat.com>
9052
9053         PR target/5362
9054         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9055         options.
9056         Add description to mno-lsim option.
9057         * config/mcore/mcore.h: Remove comment about deprecated m4align
9058         option.
9059         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9060         * doc/invoke.texi: Add description of mno-lsim and
9061         mstack-increment options.
9062
9063         * config/fr30/fr30.opt: Document the -mno-lsim option.
9064         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9065         and -mno-lsim options.
9066
9067 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9068
9069         * fold-const.c (fold_comparison): Only call fold_inf_compare
9070         if the mode supports infinities.
9071
9072 2009-03-11  Jason Merrill  <jason@redhat.com>
9073
9074         PR debug/39086
9075         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9076         end already did.  Notice GIMPLE_CALL modifications of the result.
9077         Don't copy debug information from an ignored decl or a decl from
9078         another function.
9079
9080 2009-03-10  Richard Guenther  <rguenther@suse.de>
9081             Nathan Froyd  <froydnj@codesourcery.com>
9082
9083         PR middle-end/37850
9084         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9085         (__divMODE3): Likewise.
9086
9087 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9088
9089         PR tree-optimization/39394
9090         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9091         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9092
9093 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9094
9095         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9096         inline asms for register asm ("") declarations.
9097
9098 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9099
9100         * fold-const.c (fold_unary): Fix comment.
9101
9102 2009-03-07  Jan Hubicka  <jh@suse.cz>
9103
9104         PR target/39361
9105         * tree-inline.c (setup_one_parameter): Do replacement of const
9106         argument by constant in SSA form.
9107
9108 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9109
9110         PR middle-end/38028
9111         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9112         determine alignment passed to assign_stack_local.
9113         (assign_parms_unsplit_complex): Likewise.
9114         * except.c (sjlj_build_landing_pads): Likewise.
9115
9116 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9117
9118         PR middle-end/39360
9119         * tree-flow.h (add_referenced_var): Return bool instead of void.
9120         * tree-dfa.c (add_referenced_var): Return result of
9121         referenced_var_check_and_insert call.
9122         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9123         of referenced_var_check_and_insert.
9124
9125         PR debug/39372
9126         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9127         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9128         DIE, don't emit it if abstract origin already has it.
9129         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9130         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9131
9132 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9133
9134         * genpreds.c (needs_variable): Fix parentheses at variable name
9135         detection.
9136         (write_tm_constrs_h): Indent generated code.
9137
9138 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9139
9140         * doc/extend.texi (Function Attributes): Add documentation
9141         for isr attributes.
9142
9143 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9144
9145         PR debug/39387
9146         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9147         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9148
9149 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9150
9151         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9152         the loop as bad.
9153
9154 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9155
9156         PR debug/39379
9157         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9158         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9159
9160 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9161
9162         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9163         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9164         constants instead of magic numbers.
9165         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9166         (QI_REG_P): Ditto.
9167         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9168         (x86_64_ms_abi_int_parameter_registers): Ditto.
9169         (x86_64_int_return_registers): Ditto.
9170         (ix86_maybe_switch_abi): Ditto.
9171         (ix86_expand_call): Ditto for clobbered_registers array.
9172         (ix86_hard_regno_mode_ok): Ditto.
9173         (x86_extended_QIreg_mentioned_p): Ditto.
9174
9175 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9176
9177         PR tree-optimization/39349
9178         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9179
9180         * combine.c (gen_lowpart_for_combine): Use omode when generating
9181         clobber.
9182
9183 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9184
9185         PR rtl-optimization/39235
9186         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9187
9188 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9189
9190         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9191
9192 2009-03-04  Richard Guenther  <rguenther@suse.de>
9193
9194         PR tree-optimization/39362
9195         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9196         that occur in abnormal PHIs should be varying.
9197
9198 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9199
9200         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9201         Extend comments.
9202         (simple_iv):  Take loop as an argument instead of statement.
9203         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9204         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9205         to simple_iv.
9206         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9207         Ditto.
9208         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9209         * matrix-reorg.c (analyze_transpose): Ditto.
9210         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9211         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9212         * tree-predcom.c (ref_at_iteration): Ditto.
9213         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9214
9215 2009-03-04  Richard Guenther  <rguenther@suse.de>
9216
9217         PR tree-optimization/39358
9218         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9219         escaped_id and callused_id.
9220         (solve_graph): Likewise.
9221
9222 2009-03-04  Richard Guenther  <rguenther@suse.de>
9223
9224         PR tree-optimization/39339
9225         * tree-sra.c (try_instantiate_multiple_fields): Make it
9226         no longer ICE on the above.
9227
9228 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9229
9230         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9231         that fits within Pmode.
9232
9233 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9234
9235         PR middle-end/10109
9236         * tm.texi (LIBCALL_VALUE): Update description.
9237
9238 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9239
9240         PR middle-end/34443
9241         * doc/extend.texi (section): Update description.
9242
9243 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9244
9245         PR middle-end/39345
9246         * tree-inline.c (remapped_type): New.
9247         (can_be_nonlocal): Call remapped_type instead of remap_type.
9248
9249 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9250
9251         PR fortran/39354
9252         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9253         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9254
9255 2009-03-03  Richard Guenther  <rguenther@suse.de>
9256
9257         PR middle-end/39272
9258         * tree.c (tree_nonartificial_location): New function.
9259         * tree.h (tree_nonartificial_location): Declare.
9260         * builtins.c (expand_builtin_memory_chk): Provide location
9261         of the call location for artificial function pieces.
9262         (maybe_emit_chk_warning): Likewise.
9263         (maybe_emit_sprintf_chk_warning): Likewise.
9264         (maybe_emit_free_warning): Likewise.
9265         * expr.c (expand_expr_real_1): Likewise.
9266
9267 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9268
9269         PR tree-optimization/39343
9270         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9271         COMPONENT_REF t has ARRAY_TYPE.
9272
9273 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9274
9275         PR middle-end/39335
9276         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9277         when the type precision of the induction variable should be
9278         larger than the type precision of nit.
9279         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9280         * graphite.c (graphite_loop_normal_form): Same.
9281         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9282
9283 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9284
9285         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9286         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9287         numbers to describe clobbered registers.
9288         (*call_value_0_rex64_ms_sysv): Ditto.
9289         * config/i386/mmx.md (mmx_emms): Ditto.
9290         (mmx_femms): Ditto.
9291
9292 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9293
9294         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9295         of ABI_64.
9296
9297 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9298
9299         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9300         (spu_section_type_flags): New function.
9301
9302 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9303
9304         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9305         reg_class_contents of FLOAT_REGS into a temporary.
9306
9307 2009-03-02  Richard Guenther  <rguenther@suse.de>
9308             Ira Rosen  <irar@il.ibm.com>
9309
9310         PR tree-optimization/39318
9311         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9312         information to the vectorized statement.
9313
9314 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9315
9316         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9317         variable.  Use defined names instead of magic constants for REX SSE
9318         registers.
9319
9320 2009-03-01  Richard Guenther  <rguenther@suse.de>
9321
9322         PR tree-optimization/39331
9323         * omp-low.c (lower_send_shared_vars): Do not receive new
9324         values for the reference of DECL_BY_REFERENCE parms or results.
9325
9326 2009-03-01  Jan Hubicka  <jh@suse.cz>
9327
9328         PR debug/39267
9329         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9330         BLOCK_NONLOCALIZED_VAR): New macros.
9331         (tree_block): Add nonlocalized_vars.
9332         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9333         gen_decl_die): Add origin argument.  Allow generation of die with
9334         origin at hand only.
9335         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9336         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9337         of gen_*.
9338         (gen_block_die): Fix checking for unused blocks.
9339         (process_scope_var): Break out from .... ; work with origins only.
9340         (decls_for_scope) ... here; process nonlocalized list.
9341         (dwarf2out_ignore_block): Look for nonlocalized vars.
9342         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9343         vars.
9344         (dump_scope_block): Dump them.
9345         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9346         (remap_block): Likewise.
9347         (can_be_nonlocal): New predicate.
9348         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9349
9350 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9351
9352         * configure: Regenerate.
9353
9354 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9355
9356         * optc-gen.awk: No need to duplicate option flags twice.
9357         Reuse help texts for duplicate options which do not have any.
9358
9359         * gcc.c (display_help): Document --version.
9360
9361         * gcc.c (main): If print_help_list and verbose_flag, ensure
9362         driver output comes before subprocess output.
9363
9364         * optc-gen.awk: Assign all remaining fields to help string,
9365         space-separated, for multi-line help in *.opt.
9366
9367         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9368         -Wno-pedantic-ms-format is for MinGW targets only.
9369
9370         * doc/options.texi (Option file format): Fix bad indentation,
9371         restoring dropped sentence.
9372
9373 2009-02-28  Jan Hubicka  <jh@suse.cz>
9374
9375         * tree-inline.c (tree_function_versioning): Output debug info.
9376
9377 2009-02-28  Jan Hubicka  <jh@suse.cz>
9378
9379         PR debug/39267
9380         * tree-inline.c (setup_one_parameter): Do not copy propagate
9381         arguments when not optimizing.
9382
9383 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9384
9385         PR target/39327
9386         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9387         (avx_addsubv4df3): Likewise.
9388         (*avx_addsubv4sf3): Likewise.
9389         (sse3_addsubv4sf3): Likewise.
9390         (*avx_addsubv2df3): Likewise.
9391         (sse3_addsubv2df3): Likewise.
9392         (avx_unpckhps256): Correct item selectors.
9393         (avx_unpcklps256): Likewise.
9394         (avx_unpckhpd256): Likewise.
9395         (avx_unpcklpd256): Likewise.
9396
9397 2009-02-28  Jan Hubicka  <jh@suse.cz>
9398
9399         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9400         static vars.
9401         (copy_arguments_for_versioning): If var is declared don't declare it.
9402         (tree_function_versioning): First setup substitutions and then copy
9403         args.
9404
9405 2009-02-27  Jan Hubicka  <jh@suse.cz>
9406
9407         PR debug/39267
9408         * cgraph.h (varpool_output_debug_info): Remove.
9409         * cgraphunit.c (varpool_output_debug_info): Remove.
9410         * dwarf2out.c (deferred_locations_struct): New struct
9411         (deferred_locations): New type.
9412         (deferred_locations_list): New static var.
9413         (deffer_location): New function.
9414         (gen_variable_die): Use it.
9415         (decls_for_scope): Output info on local static vars.
9416         (dwarf2out_finish): Process deferred locations.
9417         * varpool.c (varpool_output_debug_info): Remove.
9418
9419 2009-02-27  Jan Hubicka  <jh@suse.cz>
9420
9421         PR debug/39267
9422         * tree.h (TREE_PROTECTED): Fix comment.
9423         (BLOCK_HANDLER_BLOCK): Remove.
9424         (struct tree_block): Remove handler_block add body_block.
9425         (inlined_function_outer_scope_p): New.
9426         (is_body_block): Remove.
9427         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9428         * dwarf2out.c (is_inlined_entry_point): Remove.
9429         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9430         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9431         code.
9432         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9433         * gimplify.c (gimplify_expr): Gimplify body blocks.
9434         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9435         block with multiple subblocks.
9436         (dump_scope_block): Prettier output; dump more flags and info.
9437         (dump_scope_blocks): New.
9438         (remove_unused_locals): Use dump_scope_blocks.
9439         * tree-flow.h (dump_scope_blocks): Declare.
9440         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9441         * stmt.c (is_body_block): Remove.
9442         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9443         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9444
9445 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9446
9447         PR middle-end/39308
9448         * graphite.c (graphite_loop_normal_form): Do not call
9449         number_of_iterations_exit from a gcc_assert.
9450
9451 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9452
9453         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9454         jumps if COND is NULL.
9455         (find_cond_jump): New function.
9456         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9457         * config/s390/s390.md: Remove z10_cobra attribute value.
9458
9459 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9460
9461         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9462         force_const_mem returns NULL_RTX.
9463
9464 2009-02-26  Jan Hubicka  <jh@suse.cz>
9465
9466         PR debug/39267
9467         * cgraph.h (varpool_output_debug_info): Remove.
9468         * cgraphunit.c (varpool_output_debug_info): Remove.
9469         * dwarf2out.c (deferred_locations_struct): New struct
9470         (deferred_locations): New type.
9471         (deferred_locations_list): New static var.
9472         (deffer_location): New function.
9473         (gen_variable_die): Use it.
9474         (decls_for_scope): Output info on local static vars.
9475         (dwarf2out_finish): Process deferred locations.
9476         * varpool.c (varpool_output_debug_info): Remove.
9477
9478 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9479
9480         PR rtl-optimization/39241
9481         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9482         to subreg_offset_representable_p.
9483
9484 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9485
9486         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9487         execute function prototype.  Get f and nregs from max_reg_num
9488         and get_insns.  Remove the first backward pass as it's dead,
9489         guard the forward pass by flag_expensive_optimizations.
9490         (rest_of_handle_regmove): Delete.
9491         (pass_regmove): Replace it with regmove_optimize.
9492
9493 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9494
9495         PR tree-optimization/39259
9496         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9497         calls_alloca function flags.
9498         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9499         calls are detected.
9500
9501 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9502
9503         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9504         flags_set_1_rtx, flags_set_1_set): Delete.
9505         (regmove_optimize): Do not call mark_flags_life_zones.
9506
9507 2009-02-24  Julian Brown  <julian@codesourcery.com>
9508
9509         PR target/35965
9510         * config/arm/arm.c (require_pic_register): Only set
9511         cfun->machine->pic_reg once per function.
9512
9513 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9514
9515         * doc/invoke.texi (Link Options): Document an easier way to pass
9516         options that take arguments to the GNU linker using -Xlinker and -Wl.
9517
9518 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9519
9520         PR target/33785
9521         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9522
9523 2009-02-24  Richard Guenther  <rguenther@suse.de>
9524
9525         PR debug/39285
9526         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9527
9528 2009-02-24  Richard Guenther  <rguenther@suse.de>
9529             Zdenek Dvorak  <ook@ucw.cz>
9530
9531         PR tree-optimization/39233
9532         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9533         from converting them to a generic type.
9534
9535 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9536
9537         PR tree-optimization/39260
9538         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9539         contains a condition with a real type.
9540         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9541
9542 2009-02-23  Jason Merrill  <jason@redhat.com>
9543
9544         PR c++/38880
9545         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9546         narrowing_initializer_constant_valid_p.
9547         (narrowing_initializer_constant_valid_p): Don't return
9548         null_pointer_node for adding a pointer to itself.
9549
9550 2009-02-23  Jan Hubicka  <jh@suse.cz>
9551
9552         PR c/12245
9553         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9554         resizing.
9555
9556 2009-02-23  Jan Hubicka  <jh@suse.cz>
9557
9558         PR tree-optimization/37709
9559         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9560         * tree.h (block_ultimate_origin): Declare.
9561         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9562         * tree-ssa-live.c (remove_unused_scope_block_p):
9563         Eliminate blocks containig no instructions nor live variables nor
9564         nested blocks.
9565         (dump_scope_block): New function.
9566         (remove_unused_locals): Enable removal of dead blocks by default;
9567         enable dumping at TDF_DETAILS.
9568
9569 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9570
9571         * config/i386/i386.c (classify_argument): Don't allow COImode
9572         and OImode.
9573         (function_arg_advance_32): Don't allow OImode.
9574         (function_arg_32): Likewise.
9575         (function_value_32): Likewise.
9576         (return_in_memory_32): Likewise.
9577         (function_arg_64): Remove OImode comment.
9578
9579 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9580
9581         PR target/39261
9582         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9583         ix86_expand_vector_set for V4DImode in 64bit mode only.
9584         (ix86_expand_vector_init_one_var): Likewise.
9585
9586 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9587
9588         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9589
9590 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9591
9592         PR bootstrap/39257
9593         * loop-iv.c: Revert last change.
9594         * emit-rtl.c: Likewise.
9595
9596 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9597
9598         PR target/39256
9599         * config/i386/i386.c (type_natural_mode): Remove an extra
9600         space in the warning message.
9601         (function_value_32): Handle 32-byte vector modes.
9602         (return_in_memory_32): Likewise.
9603
9604 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9605
9606         * loop-iv.c (truncate_value): New function.
9607         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9608         of lowpart_subreg.
9609         (lowpart_subreg): Move to...
9610         * emit-rtl.c: ...here.
9611
9612 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9613
9614         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9615         accidental and undocumented change at revision 140860.
9616
9617 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9618
9619         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9620         take gimple_seq * arguments.
9621         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9622         types_compatible_p langhook.
9623
9624 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9625             Joseph Myers  <joseph@codesourcery.com>
9626
9627         * config/arm/arm.c (arm_builtin_va_list): New function.
9628         (arm_expand_builtin_va_start): Likewise.
9629         (arm_gimplify_va_arg_expr): Likewise.
9630         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9631         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9632         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9633         (va_list_type): New variable.
9634         (arm_mangle_type): Mangle va_list_type appropriately.
9635
9636 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9637
9638         PR middle-end/39157
9639         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9640         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9641         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9642         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9643         parameter to 1000 for -O1 by default.
9644         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9645         parameter.
9646         * loop-invariant.c: Include params.h.
9647         (move_loop_invariants): Don't call move_single_loop_invariants on
9648         very large loops.
9649
9650 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9651
9652         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9653         offset when calculating bounds for indexing stack_usage_map.  Fixes
9654         a buffer overflow with certain target setups.
9655
9656 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9657
9658         PR target/39240
9659         * calls.c (expand_call): Clear try_tail_call if caller and callee
9660         disagree in promotion of function return value.
9661
9662 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9663
9664         PR target/39175
9665         * c-common.c (c_determine_visibility): If visibility changed and
9666         DECL_RTL has been already set, call make_decl_rtl to update symbol
9667         flags.
9668
9669 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9670
9671         PR c++/39188
9672         * varasm.c (assemble_variable): Don't check DECL_NAME when
9673         globalizing a variable.
9674
9675 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9676
9677         PR c/38483
9678         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9679         expression before any __builtin_trap call.
9680         * c-typeck.c (build_function_call): Convert and check function
9681         arguments before generating a call to a trap.  Evaluate the
9682         function arguments before the trap.
9683
9684 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9685
9686         PR target/39228
9687         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9688         (UNSPEC_FXAM_MEM): New unspec.
9689         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9690         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9691         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9692
9693 2009-02-19  Richard Guenther  <rguenther@suse.de>
9694
9695         PR tree-optimization/39207
9696         PR tree-optimization/39074
9697         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9698         storedanything_tree): New.
9699         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9700         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9701         (build_succ_graph): Add edges from STOREDANYTHING to all
9702         non-direct nodes.
9703         (init_base_vars): Initialize STOREDANYTHING.
9704         (compute_points_to_sets): Free substitution info after
9705         building the succ graph.
9706         (ipa_pta_execute): Likewise.
9707
9708         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9709         field.
9710         (do_ds_constraint): Do not add to special var or non-pointer
9711         field solutions.
9712         (type_could_have_pointers): Split out from ...
9713         (could_have_pointers): ... here.  For arrays use the element type.
9714         (create_variable_info_for): Initialize may_have_pointers.
9715         (new_var_info): Likewise.
9716         (handle_lhs_call): Make the HEAP variable unknown-sized.
9717         (intra_create_variable_infos): Use a type with pointers for
9718         PARM_NOALIAS, make it unknown-sized.
9719
9720 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9721
9722         PR target/39224
9723         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9724
9725 2009-02-18  Jason Merrill  <jason@redhat.com>
9726
9727         PR target/39179
9728         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9729         value if DECL_EXTERNAL.
9730         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9731         * target.h (gcc_target::binds_local_p): Clarify "module".
9732         * tree.h (TREE_PUBLIC): Clarify "module".
9733
9734 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9735
9736         PR target/38891
9737         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9738         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9739
9740 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9741
9742         PR target/39082
9743         * c.opt (Wabi): Support C and ObjC.
9744         (Wpsabi): New.
9745
9746         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9747
9748         * config/i386/i386.c (classify_argument): Warn once about the ABI
9749         change when passing union with long double.
9750
9751         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9752
9753 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9754
9755         PR c/35447
9756         * c-parser.c (c_parser_compound_statement): Always enter and leave
9757         a scope.
9758
9759 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9760
9761         PR target/34587
9762         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9763
9764 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9765
9766         PR tree-optimization/36922
9767         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9768         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9769         Likewise.
9770
9771 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9772
9773         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9774         to 0 for EABI64.
9775
9776 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9777
9778         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9779
9780 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9781
9782         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9783         tree sharing.
9784
9785 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9786             Richard Sandiford  <rdsandiford@googlemail.com>
9787
9788         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9789         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9790         (loongson_biadd): ...this.
9791
9792 2009-02-17  Richard Guenther  <rguenther@suse.de>
9793
9794         PR tree-optimization/39202
9795         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9796         a var make sure to follow existing collapses.
9797
9798 2009-02-17  Richard Guenther  <rguenther@suse.de>
9799
9800         PR middle-end/39214
9801         * langhooks.c (lhd_print_error_function): Check for NULL block.
9802
9803 2009-02-17  Richard Guenther  <rguenther@suse.de>
9804
9805         PR tree-optimization/39204
9806         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9807         of the PHI arg.
9808
9809 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9810
9811         * config/soft-fp/double.h: Update from glibc CVS.
9812
9813 2009-02-17  Richard Guenther  <rguenther@suse.de>
9814
9815         PR tree-optimization/39207
9816         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9817         strict-aliasing warnings for pointers pointing to NULL.
9818
9819 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9820
9821         PR c/35446
9822         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9823         skipping until next close brace.
9824
9825 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9826
9827         PR target/37049
9828         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9829         to function argument boundary.
9830
9831 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9832
9833         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9834         in the lea_add. Reload eventually constraints it properly.
9835         * config/picochip/constraints.md: Remove the target constraint
9836         "b", since it is not needed anymore.
9837
9838 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9839
9840         * gthr-dce.h: Uglify function parameter and local variable names.
9841         * gthr-gnat.h: Likewise.
9842         * gthr-mipssde.h: Likewise.
9843         * gthr-nks.h: Likewise.
9844         * gthr-posix95.h: Likewise.
9845         * gthr-posix.h: Likewise.
9846         * gthr-rtems.h: Likewise.
9847         * gthr-single.h: Likewise.
9848         * gthr-solaris.h: Likewise.
9849         * gthr-tpf.h: Likewise.
9850         * gthr-vxworks.h: Likewise.
9851         * gthr-win32.h: Likewise.
9852
9853 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9854
9855         PR target/39196
9856         * config/i386/i386.md: Restrict the new peephole2 to move
9857         between MMX/SSE registers.
9858
9859 2009-02-15  Richard Guenther  <rguenther@suse.de>
9860
9861         Revert
9862         2009-02-13  Richard Guenther  <rguenther@suse.de>
9863
9864         * configure.ac: Enable LFS.
9865         * configure: Re-generate.
9866         * config.in: Likewise.
9867
9868 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9869
9870         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9871         spu_srqwbyte, spu_srqwbytebc): Define.
9872         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9873         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9874         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9875         "shrqby_<mode>"): New insn-and-split patterns.
9876         * config/spu/spu.c (expand_builtin_args): Determine and return
9877         number of operands using spu_builtin_description data.
9878         (spu_expand_builtin_1): Use it.
9879
9880 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9881
9882         PR target/38056
9883         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9884         TARGET_CONST_GP.
9885
9886 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9887
9888         PR target/39149
9889         * config/i386/i386.c (override_options): Correct warning
9890         messages for -malign-loops, -malign-jumps and -malign-functions.
9891
9892 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9893
9894         PR target/39152
9895         * config/i386/i386.md: Restrict the new peephole2 to move
9896         between the general purpose registers.
9897
9898 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9899
9900         PR target/39162
9901         * config/i386/i386.c (type_natural_mode): Add a new argument.
9902         Return the original mode and warn ABI change if vector size is 32byte.
9903         (function_arg_advance): Updated.
9904         (function_arg): Likewise.
9905         (ix86_function_value): Likewise.
9906         (ix86_return_in_memory): Likewise.
9907         (ix86_sol10_return_in_memory): Likewise.
9908         (ix86_gimplify_va_arg): Likewise.
9909         (function_arg_32): Don't warn ABX ABI change here.
9910         (function_arg_64): Likewise.
9911
9912 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9913
9914         * loop-iv.c (implies_p): In the final case, test that operands 0
9915         of the two comparisons match.
9916
9917         * config/bfin/bfin.c (find_prev_insn_start): New function.
9918         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9919         (find_next_insn_start): Move.
9920
9921 2009-02-13  Richard Guenther  <rguenther@suse.de>
9922
9923         * configure.ac: Enable LFS.
9924         * configure: Re-generate.
9925         * config.in: Likewise.
9926
9927 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9928
9929         PR c/35444
9930         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9931         sizes on syntax error after some arguments have been parsed.
9932
9933 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9934
9935         * doc/invoke.texi (-fira): Remove.
9936
9937 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9938
9939         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9940         * recog.c: Likewise.
9941         * rtl.h: Likewise.
9942
9943 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9944
9945         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9946         (umul_ppmm): Likewise.
9947         (count_leading_zeros): Likewise.
9948         (count_trailing_zeros): Likewise.
9949         (UMUL_TIME): Likewise.
9950
9951 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9952
9953         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9954         soft-fp/t-softfp to tmake_file.
9955
9956         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9957         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9958         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9959         IA64_BUILTIN_INFQ]: New.
9960         (ia64_init_builtins): Initialize __builtin_infq,
9961         __builtin_fabsq and __builtin_copysignq if not HPUX.
9962         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9963         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9964
9965         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9966         SHARED is defined.
9967         (__fixtfti): Likewise.
9968         (__fixunstfti): Likewise.
9969         (__floattitf): Likewise.
9970
9971         * config/ia64/libgcc-glibc.ver: New.
9972         * config/ia64/t-fprules-softfp: Likewise.
9973         * config/ia64/sfp-machine.h: Likewise.
9974
9975         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9976         (LIBGCC2_TF_CEXT): Likewise.
9977         (TF_SIZE): Likewise.
9978         (TARGET_INIT_LIBFUNCS): Likewise.
9979
9980         * config/ia64/t-glibc (SHLINB_MAPFILES):
9981         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9982
9983 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9984
9985         * config/i386/i386.c (construct_container): Rewrite processing
9986         BLKmode with X86_64_SSE_CLASS.
9987
9988 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9989
9990         PR target/39152
9991         * config/i386/i386.md: Replace simplify_replace_rtx with
9992         replace_rtx in the new peephole2.
9993
9994 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9995
9996         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9997         loop unrolling do not happen at -O2.
9998
9999 2009-02-12  Michael Matz  <matz@suse.de>
10000
10001         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10002
10003 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10004
10005         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10006         for -g3.
10007
10008 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10009
10010         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10011         patterns when updating the back chain.  Missed in the 2009-02-10
10012         change.
10013
10014 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10015
10016         * doc/extend.texi (Decimal Floating Types): Update identifier of
10017         draft TR and list of missing support.
10018
10019 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10020
10021         PR middle-end/39154
10022         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10023         bit to variable length decl's flags, add it also to its
10024         pointer replacement variable.
10025
10026 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10027             Jakub Jelinek  <jakub@redhat.com>
10028
10029         PR target/39118
10030         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10031         (memory_blockage): New expander.
10032         (*memory_blockage): New insn pattern.
10033         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10034         instead of general blockage at the end of function prologue when
10035         frame pointer is used to access red zone area.  Do not emit blockage
10036         when profiling, it is emitted in generic code.
10037         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10038         function epilogue when frame pointer is used to access red zone area.
10039
10040 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10041
10042         PR target/38824
10043         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10044         by arithmetic with memory operands.
10045         * config/i386/predicates.md (commutative_operator): New.
10046
10047 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10048
10049         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10050         bulleted lists.
10051
10052 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10053
10054         * alias.h (record_alias_subset): Declare.
10055         * alias.c (record_alias_subset): Make global.
10056
10057 2009-02-10  Nick Clifton  <nickc@redhat.com>
10058
10059         * tree-parloops.c: Change license to GPLv3.
10060         * ipa-struct-reorg.c: Change license to GPLv3.
10061         * ipa-struct-reorg.h: Change license to GPLv3.
10062
10063 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10064
10065         PR c/39084
10066         * c-decl.c (start_struct): Return NULL on error.
10067
10068 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10069
10070         PR middle-end/39124
10071         * cfgloopmanip.c (remove_path): Call remove_bbs after
10072         cancel_loop_tree, not before it.
10073
10074         PR target/39139
10075         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10076         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10077         VAR_DECLs were seen.
10078         * tree-ssa-live.c (remove_unused_locals): Recompute
10079         cfun->has_local_explicit_reg_vars.
10080         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10081         copies or clearings if cfun->has_local_explicit_reg_vars.
10082
10083 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10084
10085         PR target/39118
10086         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10087         of function prologue when frame pointer is used to access
10088         red zone area.
10089
10090 2009-02-10  Richard Guenther  <rguenther@suse.de>
10091
10092         PR middle-end/39127
10093         * gimplify.c (gimple_regimplify_operands): Always look if
10094         we need to create a temporary.
10095
10096 2009-02-10  Richard Guenther  <rguenther@suse.de>
10097
10098         PR tree-optimization/39132
10099         * tree-loop-distribution.c (todo): New global var.
10100         (generate_memset_zero): Trigger TODO_rebuild_alias.
10101         (tree_loop_distribution): Return todo.
10102
10103 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10104
10105         PR target/39119
10106         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10107         (x86_64_reg_class_name): Removed.
10108         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10109         first one isn't X86_64_SSE_CLASS or any other ones aren't
10110         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10111         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10112         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10113         and 3 X86_64_SSEUP_CLASS.
10114         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10115         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10116
10117 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10118
10119         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10120         form instruction to update the stack back chain word, even if the
10121         user has disabled the generation of update instructions.
10122         (movdi_<mode>_update_stack): New.
10123         (movsi_update_stack): Likewise.
10124         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10125         always use an update form instruction to update the stack back
10126         chain word.
10127
10128 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10129
10130         PR middle-end/38953
10131         * graphite.c (if_region_set_false_region): After moving a region in
10132         the false branch of a condition, remove the empty dummy basic block.
10133         (gloog): Remove wrong fix for PR38953.
10134
10135 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10136
10137         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10138         generation due to implicit sign extension.
10139
10140 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10141
10142         PR middle-end/38981
10143         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10144         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10145
10146 2009-02-09  Richard Guenther  <rguenther@suse.de>
10147
10148         PR middle-end/35202
10149         * convert.c (convert_to_real): Disable (float)fn((double)x)
10150         to fnf(x) conversion if errno differences may occur and
10151         -fmath-errno is set.
10152
10153 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10154
10155         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10156         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10157         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10158
10159 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10160
10161         PR c/35434
10162         * c-common.c (handle_alias_attribute): Disallow attribute for
10163         anything not a FUNCTION_DECL or VAR_DECL.
10164
10165 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10166
10167         PR c/39035
10168         * real.c (do_compare): Special-case compare of zero against
10169         decimal float value.
10170
10171 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10172
10173         PR c/36432
10174         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10175         as indicating flexible array members unless the field itself is
10176         being declarared as the incomplete array.
10177
10178 2009-02-06  Jan Hubicka  <jh@suse.cz>
10179
10180         PR tree-optimization/38844
10181         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10182         is already inlined.
10183
10184 2009-02-06  Richard Guenther  <rguenther@suse.de>
10185
10186         PR middle-end/38977
10187         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10188         fork because we may expand it as __gcov_fork.
10189
10190 2009-02-06  Nick Clifton  <nickc@redhat.com>
10191
10192         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10193
10194 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10195
10196         PR tree-optimization/35659
10197         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10198         vn_phi_eq): Shortcut if hashcode does not match.
10199         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10200         NULL operands.
10201         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10202         and avoid iterative_hash_expr.
10203         (FOR_EACH_VALUE_ID_IN_SET): New.
10204         (value_id_compare): Remove.
10205         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10206         sort expressions by value id.
10207
10208 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10209
10210         PR target/38991
10211         * config/sh/predicates.md (general_movsrc_operand): Don't check
10212         the subreg of system registers here.
10213
10214 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10215
10216         PR c++/39106
10217         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10218         on the copied decl.
10219
10220 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10221
10222         PR rtl-optimization/39110
10223         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10224         addresses, not aligned ones.
10225
10226 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10227             Richard Guenther  <rguenther@suse.de>
10228
10229         PR tree-optimization/39100
10230         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10231         comment says and add edges.
10232
10233 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10234
10235         PR c/35435
10236         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10237         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10238
10239 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10240
10241         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10242         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10243         register_bb_in_sese, new_sese, free_sese): Moved.
10244         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10245         outermost_loop_in_scop, build_scop_iteration_domain,
10246         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10247         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10248         Use loop_in_sese_p instead of loop_in_scop_p.
10249         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10250         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10251         (scopdet_basic_block_info): Fix bug in scop detection.
10252         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10253         eq_loop_to_cloog_loop): Remove.
10254         (nb_loops_around_loop_in_scop, nb_loop
10255         ref_nb_loops): Moved here...
10256         * graphite.h (ref_nb_loops): ... from here.
10257         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10258         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10259         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10260         * testsuite/gcc.dg/graphite/scop-19.c: New
10261
10262 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10263             Hans-Peter Nilsson  <hp@axis.com>
10264
10265         PR rtl-optimization/37889
10266         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10267         Move offset handling from PLUS to before the switch.  Use new
10268         arguments when considering SYMBOL_REFs too.
10269         (rtx_addr_can_trap_p): Pass dummy offset and size.
10270         (enum may_trap_p_flags): Remove.
10271         (may_trap_p_1): Pass size from MEM_SIZE.
10272
10273         PR rtl-optimization/38921
10274         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10275         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10276         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10277         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10278
10279 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10280
10281         AVX Programming Reference (January, 2009)
10282         * config/i386/sse.md (*vpclmulqdq): New.
10283
10284 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10285
10286         PR tree-optimization/38977
10287         PR gcov-profile/38292
10288         * calls.c (special_function_p): Disregard __builtin_ prefix.
10289
10290 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10291
10292         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10293         non-indexable addresses even before reload.
10294
10295 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10296
10297         PR c/29129
10298         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10299         as having variable size.  Do not give an error for unnamed
10300         parameters with [*] declarators.  Give a warning for type names
10301         with [*] declarators and mark them as variable size.
10302         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10303         for sizeof applied to [*] type names.
10304
10305 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10306
10307         PR C++/36607
10308         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10309
10310 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10311
10312         * gcc.c (process_command): Update copyright notice dates.
10313         * gcov.c (print_version): Likewise.
10314         * gcov-dump.c (print_version): Likewise.
10315         * mips-tfile.c (main): Likewise.
10316         * mips-tdump.c (main): Likewise.
10317
10318 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10319
10320         PR c/35433
10321         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10322         for composite type involving a zero-length array type.
10323
10324 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10325
10326         PR target/35318
10327         * function.c (match_asm_constraints_1): Skip over
10328         initial optional % in the constraint.
10329
10330         PR inline-asm/39059
10331         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10332         supported, don't accept FIXED_CSTs.
10333         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10334         and _Sat is used without _Fract/_Accum.  Set specs->type to
10335         integer_type_node for cts_fract/cts_accum if fixed point is not
10336         supported.
10337
10338 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10339
10340         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10341
10342 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10343
10344         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10345         (ABI_HAS_64BIT_SYMBOLS): Use it.
10346         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10347
10348 2009-02-02  Paul Brook  <paul@codesourcery.com>
10349
10350         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10351
10352 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10353
10354         PR inline-asm/39058
10355         * recog.h (asm_operand_ok): Add constraints argument.
10356         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10357         recurse on matching constraint.
10358         (check_asm_operands): Pass constraints as 3rd argument to
10359         asm_operand_ok.  Don't look up matching constraint here.
10360         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10361         to asm_operand_ok.
10362
10363 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10364
10365         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10366         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10367
10368 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10369
10370         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10371         information.  Remove some obsolete information.  Reorganize.
10372
10373         * config/pa/fptr.c: Revert license to GPL 2.
10374         * config/pa/milli64.S: Likewise.
10375
10376 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10377
10378         PR target/38904
10379         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10380         LIBRARY name in, instead of hard-coding it.
10381         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10382         extra target make frag to tmake_files according to EH model.
10383         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10384         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10385         frags that define makefile variable EH_MODEL appropriately.
10386         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10387         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10388         to "-sjlj" according to type of EH configured.
10389         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10390         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10391         to "_sjlj" according to type of EH configured.
10392         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10393         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10394         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10395         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10396         string value of "pe_dll" command-line option.
10397         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10398         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10399         (SHLIB_IMPLIB):  Override t-cygming default.
10400         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10401         string value of "pe_dll" command-line option.
10402
10403 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10404
10405         PR target/38952
10406         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10407         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10408
10409 2009-01-31  Richard Guenther  <rguenther@suse.de>
10410
10411         PR tree-optimization/38937
10412         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10413         computing the transitive closure.
10414
10415 2009-01-30  Richard Guenther  <rguenther@suse.de>
10416
10417         PR tree-optimization/39041
10418         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10419         Propagate variable indices only if the types match for this stmt.
10420
10421 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10422
10423         PR target/39013
10424         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10425         inline but never defined.
10426
10427 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10428
10429         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10430         (*insv_h_di_reg_extimm): New insn.
10431         (*insv_l<mode>_reg_extimm): New insn.
10432
10433 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10434
10435         * config/picochip/picochip.c (flag_conserve_stack): set
10436         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10437         fconserve-stack. Reduce call-overhead used by inliner.
10438
10439 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10440
10441         PR/38157
10442         * common.opt (flag_conserve_stack): Initialised to zero.
10443
10444 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10445
10446         PR/39002
10447         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10448         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10449         method.
10450
10451 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10452
10453         * ira-color.c (allocno_reload_assign): Update comments.
10454         * regmove.c (regmove_optimize): Likewise.
10455
10456         * ra.h: Removed.
10457
10458 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10459
10460         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10461         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10462         `MD_UNWIND_SUPPORT'.
10463         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10464
10465 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10466
10467         PR tree-optimization/39007
10468         * tree-loop-distribution.c (generate_builtin): Use
10469         recompute_dominator to compute the immediate dominator of the
10470         basic block just after the loop.
10471
10472 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10473
10474         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10475         (ASM_OUTPUT_DWARF_PCREL): Define.
10476
10477 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10478
10479         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10480         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10481         global.  Modify entries about regmove and IRA.
10482
10483         * ra-conflict.c: Remove the file.
10484
10485         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10486
10487         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10488         (pass_regclass_init): Rename to pass_reginfo_init.
10489
10490         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10491
10492         * toplev.h (flag_ira): Remove.
10493
10494         * caller-save.c (setup_save_areas): Remove flag_ira.
10495
10496         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10497
10498         * global.c: Remove the file.
10499
10500         * opts.c (decode_options): Remove flag_ira.
10501
10502         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10503
10504         * regmove.c: Modify file description.
10505         (find_use_as_address, try_auto_increment): Define them only if
10506         AUTO_INC_DEC is defined.
10507         (replacement_quality, replace_in_call_usage, fixup_match_1,
10508         stable_and_no_regs_but_for_p): Remove.
10509         (reg_set_in_bb): Make it static.
10510         (regmove_optimize): Remove flag_ira and code which worked for
10511         !flag_ira.
10512
10513         * local-alloc.c: Remove the file.
10514
10515         * common.opt (fira): Remove.
10516
10517         * ira.c: Include except.h.
10518         (eliminable_regset): Move from global.c.
10519         (mark_elimination): Ditto.  Remove flag_ira.
10520         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10521         equiv_mem_modified, validate_equiv_mem_from_store,
10522         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10523         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10524         no_equiv, recorded_label_ref): Move from local-alloc.c.
10525         (update_equiv_regs): Ditto.  Make it static.
10526         (print_insn_chain, print_insn_chains): Move it from global.c.
10527         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10528         (build_insn_chain): Ditto.  Make it static.
10529         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10530         Rename to init_live_subregs.
10531         (gate_ira): Remove flag_ira.
10532
10533         * regclass.c: Rename reginfo.c.  Change file description.
10534         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10535         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10536         (init_reg_sets_1): Remove code for evaluation of
10537         reg_class_superclasses and losing_caller_save_reg_set.
10538         (init_regs): Remove init_reg_autoinc.
10539         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10540         ok_for_base_p_nonstrict): Remove.
10541         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10542         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10543         corresponding entries.
10544         (dump_regclass, record_operand_costs, scan_one_insn,
10545         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10546         record_address_regs, auto_inc_dec_reg_p): Remove.
10547         (gt-regclass.h): Rename to gt-reginfo.h.
10548
10549         * rtl.h (dump_global_regs, retry_global_alloc,
10550         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10551
10552         * Makefile.in (RA_H): Remove.
10553         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10554         Rename regclass.o to reginfo.o.
10555         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10556         gt-reginfo.h.
10557         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10558         (GTFILES): Rename regclass.c to reginfo.c.
10559
10560         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10561         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10562
10563         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10564         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10565         Remove flag_ira.
10566         (finish_spills): Ditto.  Remove code for !flag_ira.
10567
10568 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10569
10570         PR middle-end/35854
10571         * doc/invoke.texi (rtl debug options): Complete rewrite.
10572         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10573         to auto_inc_dec".
10574         * mode-switching.c (pass_mode_switching): Rename pass from
10575         "mode-sw" to "mode_sw".
10576         * except.c (pass_convert_to_eh_ranges): Rename pass from
10577         "eh-ranges" to "eh_ranges".
10578         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10579         to "subreg1".
10580
10581
10582 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10583             Alexander Monakov  <amonakov@ispras.ru>
10584
10585         PR middle-end/38857
10586         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10587         register.
10588         (move_exprs_to_boundary): Change return type and pass through
10589         should_move from move_op.  Relax assert.  Update usage ...
10590         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10591         cant_move.
10592         (move_op_orig_expr_found): Indicate that insn was disconnected from
10593         stream.
10594         (code_motion_process_successors): Do not call after_merge_succs
10595         callback if original expression was not found when traversing any of
10596         the branches.
10597         (code_motion_path_driver): Change return type.  Update prototype.
10598         (move_op): Update comment.  Add a new parameter (should_move).  Update
10599         prototype.  Set *should_move based on indication provided by
10600         move_op_orig_expr_found.
10601
10602 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10603
10604         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10605         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10606         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10607         * config/rs6000/rs6000.c (rs6000_override_options): Default
10608         avoid-indexed-addresses on for Power6, off for everything else.
10609         (avoiding_indexed_address_p): New function.
10610         (rs6000_legitimize_address): Use it.
10611         (rs6000_legitimate_address): Likewise.
10612         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10613
10614 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10615
10616         PR tree-optimization/38997
10617         * tree-loop-distribution.c (generate_memset_zero): Use
10618         POINTER_PLUS_EXPR for a pointer addition.
10619
10620 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10621
10622         * config/s390/s390.md (bswap<mode>2): New pattern added.
10623
10624 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10625
10626         * config/s390/s390.md (*tls_load_31): Added type attribute.
10627
10628 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10629
10630         * config/s390/s390.md: Fix a few comments.
10631
10632 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10633
10634         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10635         (*tm<mode>_full): Fixed z10prop attribute.
10636         (*tst<mode>_extimm): Fixed z10prop attribute.
10637         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10638         (*tstqiCCT_cconly): Fixed z10prop attribute.
10639         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10640         (*movsi_larl): Fixed z10prop attribute.
10641         (*movsi_zarch): Fixed z10prop attribute.
10642         (*movsi_eas): Fixed z10prop attribute.
10643         (*movhi): Fixed z10prop attribute.
10644         (*movqi): Fixed z10prop attribute.
10645         (*movstrictqi): Fixed z10prop attribute.
10646         (*mov<mode>): Fixed z10prop attribute.
10647         (*movcc): Fixed z10prop attribute.
10648         (*sethighpartdi_64): Fixed z10prop attribute.
10649         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10650         (*negdi2_sign_cc): Fixed z10prop attribute.
10651         (*negdi2_sign): Fixed z10prop attribute.
10652         (*absdi2_sign_cc): Fixed z10prop attribute.
10653         (*absdi2_sign): Fixed z10prop attribute.
10654         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10655         (*negabsdi2_sign): Fixed z10prop attribute.
10656         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10657         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10658         (doloop_si64): Fixed z10prop attribute.
10659         (doloop_si31): Fixed z10prop attribute.
10660         (doloop_long): Fixed z10prop attribute.
10661         (indirect_jump): Fixed z10prop attribute.
10662         (nop): Fixed z10prop attribute.
10663         (main_base_64): Fixed z10prop attribute.
10664         (reload_base_64): Fixed z10prop attribute.
10665
10666 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10667
10668         PR rtl-optimization/38740
10669         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10670         if !optimize.
10671         * config/mips/mips.c (mips_reorg): Likewise.
10672
10673 2009-01-28  Richard Guenther  <rguenther@suse.de>
10674
10675         PR tree-optimization/38926
10676         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10677         with the correct value id to a value.
10678         (do_regular_insertion): Use the value number of edoubleprime
10679         for the value number of the expr.
10680
10681         Revert
10682         2008-08-21  Richard Guenther  <rguenther@suse.de>
10683
10684         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10685         a PHI ask VN if it is already available.
10686         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10687         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10688
10689 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10690
10691         PR middle-end/38934
10692         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10693         set to varying whenever max has TREE_OVERFLOW set, similarly
10694         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10695
10696 2009-01-28  Richard Guenther  <rguenther@suse.de>
10697
10698         PR middle-end/38908
10699         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10700         uninitialized aggregate uses in call arguments.
10701
10702 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10703
10704         PR tree-optimization/38984
10705         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10706         the nothing_id variable if -fno-delete-null-pointer-checks.
10707
10708 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10709
10710         PR target/38988
10711         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10712         (set_got_offset_rex64): Ditto.
10713
10714 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10715
10716         PR target/38941
10717         * doc/extend.texi: Improve local variable with asm reg.
10718
10719 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10720
10721         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10722         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10723         was not supplied then set warn_packed_bitfield_compat to the
10724         default value of 1.
10725         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10726         against 1.
10727
10728 2009-01-27  Richard Guenther  <rguenther@suse.de>
10729
10730         PR tree-optimization/38503
10731         * cfgexpand.c (expand_gimple_basic_block): Ignore
10732         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10733         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10734         variables that cannot have TBAA applied.
10735         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10736         statements.
10737
10738 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10739
10740         PR middle-end/38969
10741         * calls.c (initialize_argument_information): Do not wrap complex
10742         arguments in SAVE_EXPR.
10743
10744 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10745
10746         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10747         (INSTALL_LIBGCC): Revert typo commit.
10748
10749 2009-01-26  Richard Guenther  <rguenther@suse.de>
10750
10751         PR tree-optimization/38745
10752         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10753         from special handling.
10754
10755 2009-01-26  Richard Guenther  <rguenther@suse.de>
10756
10757         PR tree-optimization/38745
10758         * tree-ssa.c (execute_update_addresses_taken): Do not include
10759         variables that cannot possibly be a register in not_reg_needs.
10760         Do not clear TREE_ADDRESSABLE on vars that may not become
10761         registers.
10762         * tree-ssa.c (update_alias_info_1): Include those in the set
10763         of addressable vars.
10764
10765 2009-01-26  Richard Guenther  <rguenther@suse.de>
10766
10767         PR middle-end/38851
10768         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10769         * tree-ssa-dse.c: Include langhooks.h
10770         (execute_simple_dse): Remove stores with zero size.
10771
10772 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10773
10774         PR c/38957
10775         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10776         as PLUS_EXPR.
10777
10778 2009-01-24  Julian Brown  <julian@codesourcery.com>
10779
10780         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10781         config/arm/linux-atomic.c.
10782         * config/arm/linux-atomic.c: New.
10783
10784 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10785
10786         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10787         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10788         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10789
10790 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10791
10792         PR c/38938
10793         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10794         properly.
10795
10796 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10797
10798         PR tree-optimization/38953
10799         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10800         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10801         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10802         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10803         changed the CFG.
10804
10805 2009-01-24  Paul Brook  <paul@codesourcery.com>
10806
10807         * config/arm/neon.md (neon_type): Move to arm.md.
10808         (neon_mov<VSTRUCT>): Add neon_type attribute.
10809         * config/arm/arm.md (neon_type): Move to here.
10810         (conds): Add "unconditioal" and use as default for NEON insns.
10811
10812 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10813
10814         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10815         void *' warning from -Wc++-compat.
10816         * Makefile.in (dominance.o-warn): Remove.
10817
10818 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10819
10820         PR tree-optimization/38932
10821         * fold-const.c (fold_unary_ignore_overflow): New.
10822         * tree.h (fold_unary_ignore_overflow): Declare.
10823         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10824         * tree-ssa-sccvn.c (visit_reference_op_load,
10825         simplify_unary_expression): Likewise.
10826
10827 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10828
10829         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10830         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10831         regardless of their type.
10832         * c-common.c (handle_packed_attribute): Don't ignore packed on
10833         bitfields.
10834         * c.opt (Wpacked-bitfield-compat): New warning option.
10835         * stor-layout.c (place_field): Warn if offset of a field changed.
10836         * doc/extend.texi (packed): Mention the ABI change.
10837         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10838         (Warning Options): Add it to the list.
10839
10840 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10841
10842         * c-opts.c (c_common_post_options): Fix a typo in comments.
10843
10844 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10845
10846         PR middle-end/38615
10847         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10848         variables to static.
10849         * doc/invoke.texi (-fmerge-all-constants): Update description.
10850
10851 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10852
10853         PR target/38931
10854         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10855         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10856
10857 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10858
10859         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10860         a word boundary.
10861         (LOCAL_ALIGNMENT): Similarly.
10862
10863 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10864             Joseph Myers  <joseph@codesourcery.com>
10865
10866         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10867         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10868         * config/arm/arm-tune.md: Regenerate.
10869         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10870         -march=iwmmxt2.
10871
10872 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10873
10874         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10875         version number to five.
10876
10877 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10878
10879         PR c++/38930
10880         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10881         * c-common.c (set_underlying_type): Likewise.
10882         (is_typedef_decl ): Likewise
10883         * tree.h: Likewise
10884         (set_underlying_type): Likewise.
10885         (is_typedef_type): Likewise.
10886
10887 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10888
10889         PR middle-end/38587
10890         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10891         crossing setjmps.
10892
10893 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10894
10895         PR bootstrap/37660
10896         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10897         (LIBGCC_SPEC):  Don't define.
10898         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10899
10900 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10901
10902         PR rtl-optimization/38879
10903         * alias.c (base_alias_check): Unaligned access via AND address can
10904         alias all surrounding object types except those with sizes equal
10905         or wider than the size of unaligned access.
10906
10907 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10908
10909         PR c++/26693
10910         * c-decl.c (clone_underlying_type): Move this ...
10911         * c-common.c (set_underlying_type): ... here.
10912         Also, make sure the function properly sets TYPE_STUB_DECL() on
10913         the newly created typedef variant type.
10914         (is_typedef_decl ): New entry point.
10915         * tree.h: Added a new member member_types_needing_access_check to
10916         struct tree_decl_non_common.
10917         (set_underlying_type): New entry point.
10918         (is_typedef_type): Likewise.
10919
10920 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10921
10922         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10923         Check whether two instructions have memory references that
10924         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10925         are helper functions for traversing.
10926         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10927         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10928         not to draw dependency edge for instructions with non-conflicting
10929         alias sets.
10930
10931 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10932
10933         PR other/38758
10934         * longlong.h: Update copyright years.  Use soft-fp license notice.
10935         Sync __clz_tab declaration with glibc.
10936
10937 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10938
10939         PR target/30687
10940         * doc/extend.texi (syscall_linkage): New.
10941         (version_id): Modify.
10942
10943 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10944             Richard Guenther  <rguenther@suse.de>
10945
10946         PR tree-optimization/38747
10947         PR tree-optimization/38748
10948         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10949         conversion if the base address is an indirect reference and the
10950         aliasing sets could cause issues.
10951
10952 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10953
10954         * common.opt (fgraphite, fgraphite-identity): Add comment for
10955         explaining why these options are not documented.
10956
10957 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10958
10959         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10960         gimple_call_lhs is NULL.
10961
10962 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10963
10964         PR target/38868
10965         * emit-rtl.c (adjust_address_1): Make sure memref is never
10966         overwritten.
10967
10968 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10969
10970         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10971         const qualifier from arg parameter. Remove unnecessary cast to char *.
10972         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10973         const qualifier from arg 2.
10974
10975 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10976
10977         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10978
10979 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10980
10981         PR c/38869
10982         * rtl.h (reinit_regs): New prototype.
10983         * regclass.c: Include ira.h.
10984         (reinit_regs): New.
10985         * Makefile.in (regclass.o): Add ira.h.
10986         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10987
10988 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10989
10990         PR target/38736
10991         * c-common.c (handle_aligned_attribute): Use
10992         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10993         default alignment value.
10994
10995         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10996
10997         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10998         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10999
11000         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11001         __BIGGEST_ALIGNMENT__.
11002
11003         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11004
11005 2009-01-18  Richard Guenther  <rguenther@suse.de>
11006
11007         PR tree-optimization/38819
11008         * tree-flow.h (operation_could_trap_helper_p): Declare.
11009         * tree-eh.c (operation_could_trap_helper_p): Export.
11010         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11011         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11012         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11013         are about to insert a possibly trapping instruction and fail
11014         in this case.
11015
11016 2009-01-18  Andreas Schwab  <schwab@suse.de>
11017
11018         * doc/install.texi (Configuration): Remove obsolete paragraph
11019         about use of --with-gnu-ld with --with-gnu-as.
11020
11021 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11022
11023         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11024         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11025         Follow spelling conventions.
11026
11027 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11028
11029         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11030         C++ warning about implicit conversion from void * to struct
11031         bitmap_head_def *.
11032         (bitmap_obstack_free): Likewise for bitmap_element *.
11033         * Makefile.in (bitmap.o-warn): Remove.
11034
11035 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11036
11037         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11038
11039 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11040             Tobias Grosser  <tobi.grosser@amd.com>
11041
11042         * graphite.c (graphite_trans_scop_block): Do not block single
11043         nested loops.
11044
11045 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11046
11047         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11048         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11049         test with assertion.
11050
11051 2009-01-16  Richard Guenther  <rguenther@suse.de>
11052
11053         PR tree-optimization/38835
11054         PR middle-end/36227
11055         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11056         and INT + PTR -> (INT)(PTR p+ INT) folding.
11057         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11058
11059 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11060
11061         PR target/38554
11062         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11063         the subreg from a lowpart subreg if it is also casting the value.
11064
11065 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11066             Tobias Grosser  <tobi.grosser@amd.com>
11067
11068         * graphite.c (compare_prefix_loops): New.
11069         (build_scop_canonical_schedules): Rewritten.
11070         (graphite_transform_loops): Move build_scop_canonical_schedules
11071         after build_scop_iteration_domain.
11072
11073 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11074             Tobias Grosser  <tobi.grosser@amd.com>
11075
11076         * graphite.c (add_conditions_to_domain): Add the loops to
11077         the dimension of the iteration domain.  Do copy the domain
11078         only when it exists.
11079         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11080         (add_conditions_to_constraints): New.
11081         (can_generate_code_stmt, can_generate_code): Removed.
11082         (gloog): Do not call can_generate_code.
11083         (graphite_transform_loops): Call add_conditions_to_constraints
11084         after building the iteration domain.
11085
11086 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11087
11088         PR tree-optimization/38789
11089         * tree-ssa-threadedge.c
11090         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11091         __builtin_constant_p.
11092
11093 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11094
11095         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11096         examined before deleting them.
11097
11098 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11099
11100         * function.c (aggregate_value_p): Correctly extract the function
11101         type from CALL_EXPR_FN lookup.
11102
11103 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11104
11105         * config/picochip/picochip.c (picochip_override_options): Revert
11106         CFI asm flag disable commited previously.
11107
11108 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11109             Tobias Grosser  <tobi.grosser@amd.com>
11110             Jan Sjodin  <jan.sjodin@amd.com>
11111
11112         * graphite.c (scan_tree_for_params): On substractions negate
11113         all the coefficients of the term.
11114         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11115         of more than two operands.
11116         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11117         (get_vdef_before_scop): Handle also the case of default definitions.
11118
11119 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11120
11121         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11122         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11123         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11124
11125 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11126             Joey Ye  <joey.ye@intel.com>
11127
11128         PR middle-end/37843
11129         * cfgexpand.c (expand_stack_alignment): Don't update stack
11130         boundary nor check incoming stack boundary here.
11131         (gimple_expand_cfg): Update stack boundary and check incoming
11132         stack boundary here.
11133
11134 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11135
11136         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11137
11138 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11139
11140         PR rtl-optimization/38245
11141         * calls.c (expand_call): Add stack arguments to
11142         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11143         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11144         in regs and partially in memory or BLKmode arguments.
11145         (emit_library_call_value_1): Add stack arguments to
11146         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11147         ACCUMULATE_OUTGOING_ARGS).
11148         * dce.c: Include tm_p.h.
11149         (find_call_stack_args): New function.
11150         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11151         argument.
11152         (mark_insn): Call find_call_stack_args for CALL_Ps.
11153         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11154         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11155         down to deletable_insn_p, don't mark stores set in arg_stores
11156         bitmap, clear the bitmap at the beginning of each bb.
11157         * Makefile.in (dce.o): Depend on $(TM_P_H).
11158
11159 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11160
11161         PR target/22599
11162         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11163         to make sure the insn is a conditional test (bug 22599).  Reformat a
11164         few long lines.
11165
11166 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11167
11168         PR middle-end/38431
11169         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11170         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11171         (gloog): Do not call cleanup_tree_cfg.
11172         (graphite_transform_loops): Call cleanup_tree_cfg after all
11173         scops have been code generated.
11174
11175 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11176         * doc/gty.texi (Invoking the garbage collector): Added new node
11177         and section documenting ggc_collect.
11178
11179 2009-01-14  Richard Guenther  <rguenther@suse.de>
11180
11181         PR tree-optimization/38826
11182         PR middle-end/38477
11183         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11184         initialization notes only if we actually emitted a warning.
11185         (intra_create_variable_infos): Add constraints for a result decl
11186         that is passed by hidden reference.
11187         (build_pred_graph): Mark all related variables non-direct on
11188         address-taking.
11189
11190 2009-01-14  Nick Clifton  <nickc@redhat.com>
11191
11192         * ira-conflicts.c: Include addresses.h for the definition of
11193         base_reg_class.
11194         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11195         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11196
11197 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11198
11199         PR target/38811
11200         * Makefile.in (ira-lives.o): Add except.h.
11201
11202         * ira-lives.c: Include except.h.
11203         (process_bb_node_lives): Process can_throw_internal.
11204
11205 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11206
11207         PR rtl-optimization/38774
11208         * combine.c (simplify_set): When undoing cc_use change, don't do
11209         PUT_CODE on the newly created comparison, but instead put back the
11210         old comparison.
11211
11212 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11213
11214         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11215         values.  Remove duplicate arm8 entry.
11216
11217 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11218
11219         PR tree-optimization/38786
11220         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11221         the SSA_NAME case of expand_scalar_variables_expr.
11222         Set the type of an expression to the type of its assign statement.
11223         (expand_scalar_variables_expr): Also gather the scalar computation
11224         used to index the memory access.  Do not pass loop_p.
11225         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11226         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11227         the gimple_stmt_iterator where it inserts new code.
11228         Do not pass loop_p.
11229         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11230         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11231
11232 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11233
11234         * graphite.h (debug_value): Removed.
11235         * graphite.c (debug_value): Removed.
11236
11237 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11238
11239         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11240         ldrd/strd with two 32-bit instructions.
11241
11242 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11243
11244         * config/arm/arm.c (struct processors): Pass for speed down into
11245         cost helper functions.
11246         (const_ok_for_op): Handle COMPARE and inequality nodes.
11247         (arm_rtx_costs_1): Rewrite.
11248         (arm_size_rtx_costs): Update prototype.
11249         (arm_rtx_costs): Pass speed down to helper functions.
11250         (arm_slowmul_rtx_costs): Rework cost calculations.
11251         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11252         (arm_9e_rtx_costs): Likewise.
11253
11254 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11255
11256         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11257         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11258         (alpha_legitimize_address): Do not split local symbols wider than
11259         UNITS_PER_WORD into HIGH/LO_SUM parts.
11260
11261 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11262
11263         PR bootstrap/38580
11264         * gcc.c (process_command): Replace call to execvp with calls
11265         to pex_one and exit.
11266
11267 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11268
11269         PR target/29141
11270         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11271         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11272         variant for devices with 3-byte PC.
11273         (__tablejump_elpm__): New.
11274
11275 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11276
11277         PR c/32041
11278         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11279         offsetof member-designator, handle it as `[0].'.
11280
11281 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11282
11283         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11284         function when not using named sections on targets with named sections
11285         if branch distance is less than 262132.
11286
11287 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11288
11289         * combine.c (combine_instructions):  Recompute
11290         optimize_this_for_speed_p  for each BB in the main combine loop.
11291
11292 2009-01-12  Tomas Bily  <tbily@suse.cz>
11293
11294         PR middlend/38385
11295         * tree-loop-distribution.c (prop_phis): New function.
11296         (generate_builtin): Call prop_phis.
11297         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11298
11299 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11300
11301         PR tree-optimization/38807
11302         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11303         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11304
11305 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11306
11307         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11308         subreg of op0 to the original op0.
11309
11310 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11311
11312         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11313
11314 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11315
11316         PR debug/7055
11317         * mips-tfile.c (parse_def): Fix parsing of def strings
11318         starting with digits.
11319
11320 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11321
11322         PR target/38695
11323         * config/arm/arm.c (arm_is_long_call_p): Don't call
11324         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11325
11326 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11327
11328         * regrename.c (regrename_optimize): Fix dumping.
11329         (find_oldest_value_reg): Preserve REG_POINTER.
11330         (copy_hardreg_forward_1): Likewise.
11331
11332 2009-01-09  Diego Novillo  <dnovillo@google.com>
11333
11334         * gimple.h (struct gimple_statement_base) <uid>: Document
11335         the restrictions on its use.
11336         (gimple_uid): Tidy.
11337         (gimple_set_uid): Tidy.
11338
11339 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11340
11341         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11342         zero guard even if align_bytes != 0 and count is smaller than
11343         size_needed.
11344
11345 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11346
11347         PR rtl-optimization/38495
11348         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11349         (add_range_and_copies_from_move_list): Print all added ranges.
11350         Add ranges to memory optimized destination.
11351
11352 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11353
11354         PR target/38686
11355         PR target/38708
11356         * config/i386/i386.c (override_options): Reject
11357         -mstringop-strategy=rep_8byte with -m32.
11358         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11359         to 1.  Do count comparison against epilogue_size_needed at compile
11360         time even when count_exp was constant forced into register.  For
11361         size_needed don't jump to epilogue, instead just avoid aligning
11362         and invoke the body algorithm.  If need_zero_guard, add zero guard
11363         even if count is non-zero, but smaller than size_needed + number of
11364         bytes that could be stored for alignment.
11365         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11366         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11367         but smaller than size_needed + number of bytes that could be stored
11368         for alignment.  Compare size_needed with epilogue_size_needed instead
11369         of desired_align - align, don't adjust size_needed, pass
11370         epilogue_size_needed to the epilogue expanders.
11371
11372         PR c/35742
11373         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11374
11375 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11376
11377         * pa.c (last_address): Change to unsigned.
11378         (update_total_code_bytes): Change argument to unsigned.  Don't
11379         check if insn addresses are set.
11380         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11381         addresses are not set.
11382         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11383
11384 2009-01-09  Nick Clifton  <nickc@redhat.com>
11385
11386         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11387         DECL_DECLARED_INLINE_P.
11388
11389 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11390
11391         PR middle-end/38347
11392         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11393         GET_MODE (op0) in operand_subword_force calls.
11394
11395         PR middle-end/38771
11396         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11397         fold_convert arg0 operands to TREE_TYPE (op0) first.
11398
11399 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11400
11401         * params.def (ira-max-conflict-table-size): Decrease default value
11402         to 1000.
11403
11404 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11405
11406         PR tree-optimization/37031
11407         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11408         on parameter_set.
11409         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11410         allocate it using gc instead of heap, use VEC_quick_push instead of
11411         VEC_safe_push.
11412         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11413         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11414         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11415         allocated vector from heap allocated.
11416         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11417         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11418         vector only after perfect_loop_nest_depth call.
11419
11420 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11421             Jan Sjodin  <jan.sjodin@amd.com>
11422
11423         PR tree-optimization/38559
11424         * graphite.c (debug_value, copy_constraint,
11425         swap_constraint_variables, scale_constraint_variable, ): New.
11426         (get_lower_bound, get_upper_bound): Removed.
11427         (graphite_trans_bb_strip_mine): Clean up this code that works
11428         only for constant number of iterations.  Fully copy upper and
11429         lower bound constraints, not only the constant part of them.
11430         * graphite.h (debug_value): Declared.
11431
11432 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11433
11434         PR tree-optimization/37194
11435         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11436         Don't add the cost of cost model guard in prologue to scalar
11437         outside cost in case of known number of iterations.
11438
11439 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11440             Alan Modra  <amodra@bigpond.net.au>
11441
11442         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11443         non-word-aligned REG+CONST addressing.
11444
11445 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11446
11447         PR target/38706
11448         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11449         free_after_compilation when outputting a thunk.
11450         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11451         Do not call free_after_compilation here.
11452
11453 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11454
11455         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11456         (ix86_valid_target_attribute_inner_p): Ditto.
11457
11458 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11459
11460         PR tree-optimization/38492
11461         PR tree-optimization/38498
11462         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11463         * tree-chrec.h (scev_is_linear_expression): Declared.
11464         * graphite.c (graphite_cannot_represent_loop_niter): New.
11465         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11466         (graphite_loop_normal_form): Use gcc_assert.
11467         (scan_tree_for_params): Use CASE_CONVERT.
11468         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11469         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11470         Use gcc_assert.  Discard scops that contain unhandled cases.
11471         (build_scop_conditions): Return a boolean status for unhandled cases.
11472         (strip_mine_profitable_p): Print the loop number, not its depth.
11473         (is_interchange_valid): Pass the depth of the loop nest, don't
11474         recompute it wrongly.
11475         (graphite_trans_bb_block): Same.
11476         (graphite_trans_bb_block): Print tentative of loop blocking.
11477         (graphite_trans_scop_block): Do not print that the loop has been
11478         blocked.
11479         (graphite_transform_loops): Do not handle scops that contain condition
11480         scalar phi nodes.
11481
11482 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11483
11484         AVX Programming Reference (December, 2008)
11485         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11486         (_mm256_stream_pd): Likewise.
11487         (_mm256_stream_ps): Likewise.
11488
11489         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11490         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11491         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11492         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11493         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11494         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11495         (ix86_expand_special_args_builtin): Likewise.
11496
11497         * config/i386/sse.md (AVXMODEDI): New.
11498         (avx_movnt<mode>): Likewise.
11499         (avx_movnt<mode>): Likewise.
11500         (<sse>_movnt<mode>): Remove AVX support.
11501         (sse2_movntv2di): Likewise.
11502
11503 2009-01-07  Richard Guenther  <rguenther@suse.de>
11504
11505         PR middle-end/38751
11506         * fold-const.c (extract_muldiv): Remove obsolete comment.
11507         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11508         to PLUS_EXPR canonicalization for the canonicalization.
11509
11510 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11511
11512         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11513         hosted cross-compilers generating less efficient code.
11514
11515 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11516
11517         * function.h (rtl_data): Add a dbr_scheduled_p field.
11518         * reorg.c (dbr_schedule): Set it.
11519         (gate_handle_delay_slots): Check it.
11520         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11521         (mips_reorg): Check flag_delayed_branch instead of
11522         mips_base_delayed_branch.
11523         (mips_override_options): Don't set mips_base_delayed_branch
11524         or flag_delayed_branch.
11525
11526 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11527
11528         PR rtl-optimization/38426.
11529         * ira.c (ira): Set current_function_is_leaf earlier.
11530
11531 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11532
11533         PR rtl-optimization/38722
11534         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11535         too early, only set a flag and modify after last possible
11536         undo_all point.
11537
11538 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11539
11540         PR c/34252
11541         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11542         * real.c (decimal_single_format): Correct values of emin and emax.
11543         (decimal_double_format): Ditto.
11544         (decimal_quad_format): Ditto.
11545         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11546         computation of DECnn_MIN and DECnn_MAX for corrected values of
11547         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11548         __DECnn_MIN__, and adjust its computation for the corrected value
11549         of emin.
11550
11551 2009-01-06  Jan Hubicka  <jh@suse.cz>
11552
11553         PR target/38744
11554         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11555
11556 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11557
11558         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11559         Add Robert Clark to the list of testers.
11560
11561 2009-01-06  Jan Hubicka  <jh@suse.cz>
11562             Kai Tietz  <kai.tietz@onevision.com>
11563
11564         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11565         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11566
11567 2009-01-06  Jan Hubicka  <jh@suse.cz>
11568             Kai Tietz  <kai.tietz@onevision.com>
11569
11570         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11571         for w64 ABI.
11572         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11573         (ix86_nsaved_regs): Count only general purpose regs.
11574         (ix86_nsaved_sseregs): New.
11575         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11576         to 16 for w64; compute padding and size of sse reg save area.
11577         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11578         general purpose regs.
11579         (ix86_emit_save_sse_regs_using_mov): New.
11580         (ix86_expand_prologue): Save SSE regs if needed.
11581         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11582         (ix86_emit_restore_sse_regs_using_mov): New.
11583         (ix86_expand_epilogue): Save SSE regs if needed.
11584
11585 2009-01-06  Jan Hubicka  <jh@suse.cz>
11586             Kai Tietz  <kai.tietz@onevision.com>
11587
11588         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11589         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11590         functions when accumulate outgoing args is off.
11591
11592 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11593
11594         PR bootstrap/38742
11595         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11596         before using pseudos_have_intersected_live_ranges_p.
11597
11598         * ira-int.h (ira_assert): Always define.
11599
11600 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11601
11602         AVX Programming Reference (December, 2008)
11603         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11604         (_mm256_permute2_pd): Likewise.
11605         (_mm_permute2_ps): Likewise.
11606         (_mm256_permute2_ps): Likewise.
11607         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11608         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11609
11610         * config/i386/i386.c (ix86_builtins): Remove
11611         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11612         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11613         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11614         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11615         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11616         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11617         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11618         __builtin_ia32_vpermil2ps256.
11619         (ix86_init_mmx_sse_builtins): Updated.
11620         (ix86_expand_args_builtin): Likewise.
11621
11622 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11623
11624         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11625         long absolute calls when generating PA 2.0 code.
11626
11627 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11628
11629         PR rtl-optimization/38583
11630         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11631
11632         * params.def (ira-max-conflict-table-size): New.
11633
11634         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11635
11636         * ira.h (ira_conflicts_p): New external definition.
11637
11638         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11639         table.  Report this.  Return result of building.
11640         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11641         building conflict table.
11642
11643         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11644         (ira_color): Use ira_conflicts_p.
11645
11646         * global.c: Include ira.h.
11647         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11648         ira_conflicts_p.
11649
11650         * Makefile.in (global.o): Add ira.h.
11651
11652         * ira-build.c (mark_all_loops_for_removal,
11653         propagate_some_info_from_allocno): New.
11654         (remove_unnecessary_allocnos): Call
11655         propagate_some_info_from_allocno.
11656         (remove_low_level_allocnos): New.
11657         (remove_unnecessary_regions): Add parameter.  Call
11658         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11659         parameter to remove_unnecessary_regions.
11660         (ira_build): Remove all regions but root if the conflict table was
11661         not built.  Update conflict hard regs for allocnos crossing calls.
11662
11663         * ira.c (ira_conflicts_p): New global.
11664         (ira): Define and use ira_conflicts_p.
11665
11666         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11667         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11668         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11669
11670 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11671
11672         * gengtype-lex.l (YY_NO_INPUT): Define.
11673
11674 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11675
11676         PR c/34911
11677         * c-common.c (handle_vector_size_attribute): Also reject
11678         BOOLEAN_TYPE types.
11679
11680 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11681
11682         PR tree-optimization/38492
11683         * graphite.c (rename_map_elt, debug_rename_elt,
11684         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11685         rename_map_elt_info, eq_rename_map_elts,
11686         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11687         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11688         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11689         (sese_build_livein_liveouts): New.
11690         (new_sese, free_sese): New.
11691         (new_scop): Call new_sese.
11692         (free_scop): Call free_sese.
11693         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11694         (register_old_new_names): Renamed register_old_and_new_names.
11695         (register_scop_liveout_renames, add_loop_exit_phis,
11696         insert_loop_close_phis, struct igp,
11697         default_liveout_before_guard, add_guard_exit_phis,
11698         insert_guard_phis, copy_renames): New.
11699         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11700         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11701         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11702         (scop_adjust_phis_for_liveouts): New.
11703         (gloog): Call scop_adjust_phis_for_liveouts.
11704
11705         * graphite.h (struct sese): Documented.  Added fields liveout,
11706         num_ver and livein.
11707         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11708         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11709         (struct scop): Added field liveout_renames.
11710         (SCOP_LIVEOUT_RENAMES): New.
11711
11712 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11713
11714         PR tree-optimization/38510
11715         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11716         (translate_clast): Call recompute_all_dominators before
11717         graphite_verify.
11718         (gloog): Call recompute_all_dominators before graphite_verify.
11719
11720 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11721             Jan Sjodin  <jan.sjodin@amd.com>
11722
11723         PR tree-optimization/38500
11724         * graphite.c (create_sese_edges): Call fix_loop_structure after
11725         splitting blocks.
11726
11727 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11728
11729         * config.gcc: Add m32r*-*-rtems*.
11730         * config/m32r/rtems.h: New file.
11731
11732 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11733
11734         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11735         (.po.pox): Likewise.
11736         (po/gcc.pot): Likewise.
11737
11738 2009-01-04  David S. Miller  <davem@davemloft.net>
11739
11740         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11741         (STARTING_FRAME_OFFSET): Always set to zero.
11742
11743 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11744
11745         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11746         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11747         fixed-point types, and vectors of the same.
11748
11749 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11750
11751         * config/mips/sync.md (*mb_barrier): Rename to...
11752         (*memory_barrier): ...this.
11753
11754 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11755
11756         * doc/extend.texi (Function Attributes): Move @cindex after @item
11757         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11758         and put in alphabetical order. Fix 'target' name and put in order.
11759         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11760         typos.
11761
11762 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11763
11764         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11765         (memory_barrier): Expand as unspec instead of unspec_volatile.
11766         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11767         (*memory_barrier): Define as unspec instead of unspec_volatile.
11768         Use (match_dup 0) as input operand.
11769
11770         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11771         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11772         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11773         scratch register.  Remove operand 1.
11774         (*stbar): Define as unspec instead of unspec_volatile.
11775         Use (match_dup 0) as input operand, remove (const_int 8).
11776         (*membar): Define as unspec instead of unspec_volatile.
11777         Use (match_dup 0) as input operand, remove input operand 2.
11778
11779         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11780         (memory_barrier): Expand as unspec instead of unspec_volatile.
11781         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11782         (*memory_barrier): Define as unspec instead of unspec_volatile.
11783         Use (match_dup 0) as input operand.
11784
11785         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11786         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11787         Set volatile flag on operand 0.
11788         (*memory_barrier): New insn pattern.
11789
11790         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11791         insn operands.
11792         (*memory_barrier): Use (match_dup 0) as input operand.
11793
11794         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11795         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11796         Set volatile flag on operand 0.
11797         (*mb_internal): New insn pattern.
11798
11799         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11800
11801 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11802
11803         PR middle-end/38586
11804         * function.c (struct temp_slot): Move to the section of the file
11805         that deals with temp slots.  Remove field 'address'.
11806         (temp_slot_address_table): New hash table of address -> temp slot.
11807         (struct temp_slot_address_entry): New struct, items for the table.
11808         (temp_slot_address_compute_hash, temp_slot_address_hash,
11809         temp_slot_address_eq, insert_temp_slot_address): Support functions
11810         for the new table.
11811         (find_temp_slot_from_address): Rewrite to use the new hash table.
11812         (remove_unused_temp_slot_addresses): Remove addresses of temp
11813         slots that have been made available.
11814         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11815         worker function for remove_unused_temp_slot_addresses.
11816         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11817         Add the temp slot address to the address -> temp slot map.
11818         (update_temp_slot_address): Update via insert_temp_slot_address.
11819         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11820         (pop_temp_slots): Likewise.
11821         (init_temp_slots): Allocate the address -> temp slot map, or empty
11822         the map if it is already allocated.
11823         (prepare_function_start): Initialize temp slot processing.
11824
11825 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11826
11827         PR middle-end/38584
11828         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11829         Calculate the size of all stack vars assuming no packing of stack
11830         vars will happen, replacing a quadratic algorithm with a linear one.
11831
11832 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11833
11834         PR target/38707
11835         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11836         can't be used.
11837
11838 2009-01-03  Diego Novillo  <dnovillo@google.com>
11839
11840         * doc/contrib.texi: Update contributions.
11841
11842 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11843
11844         PR c++/38705
11845         * builtins.c (fold_builtin_memory_op): Give up if either operand
11846         is volatile.  Set srctype or desttype to non-qualified version
11847         of the other type.
11848
11849         PR c/38700
11850         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11851         and FUNCTION_DECLs.
11852
11853 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11854
11855         PR rtl-optimization/35805
11856         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11857         problem if fast dce is able to remove any instructions.
11858         * dce.c (dce_process_block): Fix dump message.
11859
11860 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11861
11862         PR 33649
11863         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11864
11865 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11866
11867         PR middle-end/38690
11868         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11869         * tree-pretty-print.c (op_code_prio): New function.
11870         (op_prio): No longer static.  Use op_code_prio.
11871         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11872         Use op_prio and op_code_prio to determine if () should be
11873         printed around operand(s) or not.
11874
11875         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11876         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11877         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11878         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11879         pp_character instead of pp_string for single letter printing.
11880
11881 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11882
11883         * doc/extend.texi: Fix '#pragma GCC option' typo.
11884
11885 2009-01-02  Richard Guenther  <rguenther@suse.de>
11886
11887         * doc/install.texi (--enable-checking): Mention different
11888         default for stage1.
11889         (--enable-stage1-checking): Document.
11890
11891 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11892
11893         PR middle-end/30142
11894         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11895         case to be an error.
11896
11897 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11898
11899         * config/fp-bit.h (pack_d): Constify argument.
11900         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11901         (isnan): Constify argument.
11902         (isinf): Likewise.
11903         (iszero): Likewise.
11904         (pack_d): Likewise.
11905         (_fpadd_parts): Constify return type.
11906         (_fpmul_parts): Likewise.
11907         (_fpdiv_parts): Likewise.
11908
11909 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11910
11911         PR c/36489
11912         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11913         warn about overwriting initializer with side-effects or
11914         -Woverride-init if !IMPLICIT.
11915         (output_init_element): Likewise.  Pass IMPLICIT down to
11916         add_pending_init.
11917         (process_init_element): Add IMPLICIT argument.  Pass it down
11918         to output_init_element.
11919         (push_init_element, pop_init_level, set_designator): Adjust
11920         process_init_element callers.
11921         (set_nonincremental_init, set_nonincremental_init_from_string):
11922         Adjust add_pending_init callers.
11923         (output_pending_init_elements): Adjust output_init_element callers.
11924         * c-tree.h (process_init_element): Adjust prototype.
11925         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11926         process_init_element callers.
11927
11928 \f
11929 Copyright (C) 2009 Free Software Foundation, Inc.
11930
11931 Copying and distribution of this file, with or without modification,
11932 are permitted in any medium without royalty provided the copyright
11933 notice and this notice are preserved.