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2009-05-14 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR middle-end/40147
4         * ipa-utils.h (memory_identifier_string): Moved to ...
5         * tree.h (memory_identifier_string): Here.  Add GTY(()).
6
7 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
8
9         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
10         in the former documentation of...
11         (GO_IF_LEGITIMATE_ADDRESS): ... this.
12         * ira-conflicts.c (get_dup_num): Use address_operand.
13         * targhooks.c (default_legitimate_address_p): New.
14         * targhooks.h (default_legitimate_address_p): New.
15         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
16         Call hook.
17         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
18         * target.h (struct target): Add legitimate_address_p.
19         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
20         (TARGET_INITIALIZER): Include it.
21
22         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
24         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
25         (TARGET_LEGITIMATE_ADDRESS_P): New.
26
27         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
28         (REG_OK_STRICT_P): Delete.
29         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
30         (frv_legitimate_address_p_1): ... this.
31         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
32         (frv_legitimate_address_p_1): ... the renamed old
33         frv_legitimate_address_p.
34         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
35         (TARGET_LEGITIMATE_ADDRESS_P): New.
36
37         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
38         * config/s390/s390-protos.h (legitimate_address_p): Remove.
39         * config/s390/s390.c (legitimate_address_p): Rename to...
40         (s390_legitimate_address_p): ... this, make static.
41         (legitimize_address): Adjust call.
42         (TARGET_LEGITIMATE_ADDRESS_P): New.
43         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
44
45         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
46         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
47         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
48         (TARGET_LEGITIMATE_ADDRESS_P): New.
49
50         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
51         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
52         * config/spu/spu.c (spu_legitimate_address): Rename to...
53         (spu_legitimate_address_p): ... this, make static.
54         (TARGET_LEGITIMATE_ADDRESS_P): New.
55
56         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
57         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
58         * config/sparc/sparc.c (legitimate_address_p): Rename to...
59         (sparc_legitimate_address_p): ... this, make static and return bool.
60         (legitimize_address): Adjust call.
61         (TARGET_LEGITIMATE_ADDRESS_P): New.
62
63         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
64         * config/i386/i386-protos.h (legitimate_address_p): Remove.
65         * config/i386/i386.c (legitimate_address_p): Rename to...
66         (ix86_legitimate_address_p): ... this, make static.
67         (constant_address_p): Move after it, adjust call.
68         (TARGET_LEGITIMATE_ADDRESS_P): New.
69
70         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
71         * config/avr/avr-protos.h (legitimate_address_p): Remove.
72         * config/avr/avr.c (legitimate_address_p): Rename to...
73         (avr_legitimate_address_p): ... this, make static.
74         (legitimize_address): Adjust call.
75         (TARGET_LEGITIMATE_ADDRESS_P): New.
76
77         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
78         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
79         * config/crx/crx.c (crx_legitimate_address_p): Make static.
80         (TARGET_LEGITIMATE_ADDRESS_P): New.
81
82         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
83         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
84         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
85         (TARGET_LEGITIMATE_ADDRESS_P): New.
86
87         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
88         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
89         Remove.
90         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
91         Make static.
92         (TARGET_LEGITIMATE_ADDRESS_P): New.
93
94         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
95         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
96         Remove.
97         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
98         Rename to...
99         (m68hc11_legitimate_address_p): ... this, make static.
100         (go_if_legitimate_address_internal): Rename to...
101         (m68hc11_legitimate_address_p_1): ... this.
102         (legitimize_address): Adjust call.
103         (TARGET_LEGITIMATE_ADDRESS_P): New.
104
105         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
106         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
107         Remove.
108         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
109         Make static.
110         (TARGET_LEGITIMATE_ADDRESS_P): New.
111
112         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
113         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
114         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
115         (mn10300_legitimate_address_p): ... this, make static.
116         (TARGET_LEGITIMATE_ADDRESS_P): New.
117
118         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
119         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
120         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
121         (TARGET_LEGITIMATE_ADDRESS_P): New.
122
123         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
124         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
125         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
126         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
127         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
128         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
129         (rs6000_legitimate_address_p): ... this, make static.
130         (TARGET_LEGITIMATE_ADDRESS_P): New.
131         (REG_MODE_OK_FOR_BASE_P): Delete.
132         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
133
134         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
135         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
136         Delete.
137         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
138         static, adjust types.
139         (TARGET_LEGITIMATE_ADDRESS_P): New.
140
141         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
142         * config/score/score.c (score_address_p): Rename to...
143         (score_legitimate_address_p): ... this.
144         (TARGET_LEGITIMATE_ADDRESS_P): New.
145         * config/score/score3.c (score3_address_p): Rename to...
146         (score3_legitimate_address_p): ... this.
147         * config/score/score7.c (score7_address_p): Rename to...
148         (score7_legitimate_address_p): ... this.
149
150         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
151         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
152         GO_IF_LEGITIMATE_ADDRESS): Delete.
153         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
154         thumb2_legitimate_address_p): Delete.
155         (arm_legitimate_address_p): Rename to...
156         (arm_legitimate_address_outer_p): ... this.
157         * config/arm/constraints.md ("Uq"): Adjust call.
158         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
159         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
160         (arm_legitimate_address_outer_p): ... this.
161         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
162         (TARGET_LEGITIMATE_ADDRESS_P): New.
163
164         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
165         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
166         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
167         (TARGET_LEGITIMATE_ADDRESS_P): New.
168
169         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
170         * config/vax/vax-protos.h (legitimate_address_p): Remove.
171         * config/vax/vax.c (legitimate_address_p): Rename to...
172         (vax_legitimate_address_p): ... this, make static.
173         (TARGET_LEGITIMATE_ADDRESS_P): New.
174
175         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
176         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
177         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
178         (TARGET_LEGITIMATE_ADDRESS_P): New.
179
180         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
181         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
182         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
183         (mmix_legitimate_address_p): ... this, make static.
184         (TARGET_LEGITIMATE_ADDRESS_P): New.
185
186         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
187         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
188         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
189         (TARGET_LEGITIMATE_ADDRESS_P): New.
190
191 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
192
193         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
194         of MODE_COMPLEX_INT.
195
196 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
197
198         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
199         LCT_NORMAL in function call.
200         * mips-tdump.c (print_file_desc): Add cast to enum type.
201         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
202         (mark_stabs): Add casts to enum types.
203         (parse_stabs_common): Add casts to enum types.
204         
205 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
206
207         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
208         Check for invalid values of LETTER.
209
210 2009-05-13  Taras Glek  <tglek@mozilla.com>
211
212        * attribs.c moved out attribute registration into register_attribute
213        * doc/plugins.texi Documented register_attribute and PLUGIN_ATTRIBUTES
214        * gcc-plugin.h Added forward decl for register_attribute
215        * plugin.c Added PLUGIN_ATTRIBUTES boilerplate
216        * plugin.h Added PLUGIN_ATTRIBUTES
217
218 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
219
220         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
221         values even in sentinel and empty entries.
222         (ms_printf_flag_specs):  Likewise.
223         (ms_scanf_flag_specs):  Likewise.
224         (ms_strftime_flag_specs):  Likewise.
225         (ms_print_char_table):  Likewise.
226         (ms_scan_char_table):  Likewise.
227         (ms_time_char_table):  Likewise.
228
229 2009-05-13  Doug Kwan  <dougkwan@google.com>
230
231         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
232
233 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
234
235         * config/mips/mips.md (store): Add attributes for QI and HI.
236         Update comment.
237         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
238         (truncdi<mode>2): ... this new pattern.
239
240 2009-05-13  Brad Hards  <bradh@kde.org>
241
242         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
243
244 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
245             Ben Elliston <bje@au.ibm.com>
246
247         PR middle-end/40035
248         * dse.c (check_mem_read_rtx): Guard against width == -1.
249
250 2009-05-13  Michael Matz  <matz@suse.de>
251
252         PR middle-end/39976
253         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
254         (trivially_conflicts_p): New function.
255         (insert_backedge_copies): Use it.
256
257 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
258
259         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
260         (handle_stdc_pragma): Use new enum constant names.
261         (handle_pragma_float_const_decimal64): Ditto.
262
263 2009-05-13  Ian Lance Taylor  <iant@google.com>
264
265         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
266         tree.def.
267
268 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
269
270         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
271         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
272         multilibs.
273         * config/m68k/m68k.h (FL_UCLINUX): Define.
274
275 2009-05-13  Jan Hubicka  <jh@suse.cz>
276
277         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
278
279 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
280
281         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
282         unless -fschedule-insns is specified.
283
284 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
285
286         PR target/39561
287         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
288         TARGET_EXPAND_CBRANCHDI4.
289         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
290         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
291         (cmpeqdi): Fix comment.
292
293 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
294
295         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
296         (sh_legitimate_address_p): Likewise.
297         * config/sh/sh.c (sh_legitimate_index_p): New.
298         (sh_legitimate_address_p): Likewise.
299         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
300         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
301         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
302         (MAYBE_BASE_REGISTER_RTX_P): New macro.
303         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
304         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
305         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
306         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
307         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
308
309 2009-05-12  Jan Hubicka  <jh@suse.cz>
310
311         * tree-inline.c (estimate_operator_cost): Add operands;
312         when division happens by constant, it is cheap.
313         (estimate_num_insns): Loads and stores are not having cost of 0;
314         EH magic stuff is cheap; when computing runtime cost of switch,
315         use log2 base of amount of its cases; builtin_expect has cost of 0;
316         compute cost for moving return value of call.
317         (init_inline_once): Initialize time_based flags.
318         * tree-inline.h (eni_weights_d): Add time_based flag.
319
320 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
321
322         * df-core.c: Update head documentation.
323
324 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
325
326         PR bootstrap/40118
327         * rs6000.c (rs6000_generate_compare): Use op1b instead of
328         shadowing exisiting variable op1.
329
330 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
331
332         PR target/37179
333         * config/i386/driver-i386.c (processor_signatures): New enum.
334         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
335         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
336         processor signature to detect geode processor.
337
338 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
339
340         Revert:
341
342         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
343
344         * optabs.c (prepare_cmp_insn): Temporarily disable test that
345         causes spurious differences between trunk and cond-optab branch.
346
347 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
348
349         * dojump.c (compare_from_rtx): Delete.
350         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
351         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
352         if the comparison does not satisfy the predicate; test predicates for
353         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
354         further if one existing pattern fails.
355         * expr.h (compare_from_rtx): Delete.
356         (prepare_operand): Declare it.
357         * optabs.c: Change "lib call" to "libcall" throughout.
358         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
359         HAVE_conditional_trap, emit_cmp_insn): Delete.
360         (can_compare_p): Delete cmp_optab case.
361         (prepare_float_lib_cmp): Return an rtx and a machine mode.
362         Accept other parameters by value.
363         (prepare_operand): Make non-static.
364         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
365         other parameters by value.  Try to widen operands here based on
366         an optab_methods argument and looking at cbranch_optab.
367         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
368         loop.  Use cbranch_optab directly.
369         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
370         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
371         assertion.
372         (emit_conditional_move, emit_conditional_add): Inline what's needed
373         of compare_from_rtx, using new prepare_cmp_insn for the rest.
374         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
375         with COMPARE.  Move cmov_optab and cstore_optab above
376         with cbranch_optab, move cmp_optab down with ucmp_optab,
377         remove tst_otpab.  Do not initialize trap_rtx.
378         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
379         for trap code.  Do not check HAVE_conditional_trap.  Use
380         prepare_cmp_insn.  Accept no predicate for operand 3.
381         * optabs.h (OTI_cmp): Mark as used only for libcalls.
382         (OTI_ctrap, ctrap_optab): New.
383         (tst_optab): Delete.
384         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
385         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
386         with lookup of ctrap_optab.
387         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
388         setcc_gen_code): Delete.
389         (ctrap_optab): New.
390
391         * combine.c (combine_simplify_rtx, simplify_set): Do not
392         special case comparing against zero for cc0 machines.
393         * simplify-rtx.c (simplify_binary_operation_1): Never remove
394         COMPARE on cc0 machines.
395         (simplify_relational_operation): Return a new expression when
396         a COMPARE could be removed.
397         * final.c (final_scan_insn): Compare cc_status values
398         against LHS of a (compare FOO (const_int 0)) cc0 source.
399         Also check if cc_status.value is the full compare.
400
401         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
402         (cstoreMM4): Document.
403         (conditional_trap): Document ctrapMM4 instead.
404         (sync_compare_and_swapMM): Refer to cbranchcc4.
405         (Dependent Patterns): Eliminate obsolete information referring to
406         the old jump optimization phase.
407         (Canonicalization): Include cbranchcc4 case, omit canonicalization
408         of compares with 0 on cc0 machines.
409         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
410         avoiding references to cc0.  Remove text about storing operands
411         in cmpMM.
412         * doc/tm.texi (Condition Codes): Include blurb on different
413         condition code representations, separate into subsections for
414         CC0, MODE_CC and conditional execution.
415
416         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
417         alpha_emit_setcc): Accept operands and a machine mode.
418         * config/alpha/alpha.c (alpha_emit_conditional_branch):
419         Get code/op0/op1 from operands, use machine mode argument
420         instead of alpha_compare.fp_p.  Emit the branch here.
421         (alpha_emit_setcc): Likewise, and return boolean.
422         (alpha_emit_conditional_move): Likewise.  Assert that
423         cmp_op_mode == cmp_mode, and simplify accordingly.
424         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
425         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
426         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
427         Delete.
428         (stack probe test): Use cbranchdi4.
429         * config/alpha/predicates.md (alpha_cbranch_operator): New.
430
431         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
432         * config/arc/arc.h (movsicc, movsfcc): Use it.
433         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
434         (cbranchsi4, cstoresi4): New.
435         (cmpsi, bCC and sCC expanders): Remove. 
436
437         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
438         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
439         * config/arm/predicates.md (arm_comparison_operator): Only include
440         floating-point operators if there is a hardware floating-point unit.
441         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
442         deferring to cbranch_cc and cstore_cc respectively.
443         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
444         cbranch_cc, cstore_cc): New.
445         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
446         arm_compare_op1.
447         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
448
449         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
450         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
451         as an argument.
452         (adjust_insn_length): Adjust calls.
453         (avr_reorg): Handle (compare (foo) (const_int 0)).
454         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
455         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
456         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
457         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
458         (bCC): Remove.
459         (cbranchqi4, cbranchhi4, cbranchsi4): New.
460         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
461
462         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
463         (cbranchsi4, cstorebi4, cstoresi4): New.
464         (movbisi): This insn is duplicate, split it to zero_extend.
465         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
466         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
467         (bfin_optimize_loop): Use cbranch expander.
468         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
469         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
470         (bfin_bimode_comparison_operator): ... this.
471         (bfin_direct_comparison_operator): New.
472  
473         * config/cris/cris.c (cris_normal_notice_update_cc): Look
474         inside (compare FOO (const_int 0)).
475         (cris_rtx_costs): Handle ZERO_EXTRACT.
476         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
477         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
478         (*tstdi_v32): Delete.
479         (*cmpdi_non_v32): Add M alternative for operand 1.
480         (cmpsi, cmp<mode>): Make private.
481         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
482         with COMPARE.
483         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
484
485         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
486         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
487         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
488         (cc_reg_operand): New.
489         (any_cond): Delete.
490         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
491         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
492         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
493         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
494         crx_expand_scond): Delete.
495
496         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
497         (cbranchsi4): New.
498         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
499         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
500
501         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
502         cstoresi4, cstoresf4, cstoredf4): New.
503         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
504         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
505         Receive the entire operands array.
506         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
507         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
508         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
509         Get test/op0/op1 from the operands array.
510         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
511
512         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
513         (h8300_expand_store): New.
514         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
515         (const_int 0)).
516         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
517         (h8300_expand_store): New.
518         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
519         or do not try to produce (set (cc0) REG).
520         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
521         change a compare into a move to a scratch register.  Disable some
522         peepholes when comparing with zero.
523         (tstsi, tsthi, tstsi, cmpqi): Make private.
524         (cmphi): Delete.
525         (bCC, sCC): Delete.
526         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
527         cstoresi4): New.
528
529         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
530         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
531         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
532         (ix86_emit_i387_log1p): Use cbranchxf2.
533         (ix86_expand_setcc): Return void.
534         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
535         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
536         cmp<MODEF>, cmpcc): Remove.
537         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
538         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
539         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
540         (sCC and bCC expanders): Remove.
541         (stack_protect_test): Use cbranchcc4.
542
543         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
544         Delete.
545         (ia64_expand_compare): Accept three rtx by reference and return void.
546         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
547         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
548         from *expr.  Update *expr with the BImode comparison to do.
549         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
550         cmptf, bCC, sCC, conditional_trap): Delete.
551         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
552         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
553         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
554         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
555         * config/ia64/predicates.md (ia64_cbranch_operator): New.
556
557         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
558         type of last argument.
559         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
560         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
561         use machine mode argument instead of branch_type.  Remove dead
562         code for floating-point comparisons.
563         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
564         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
565         Remove.
566         (cbranchsi4, cstoresi4): New.
567         * config/iq2000/predicates.md (reg_or_const_operand): New.
568
569         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
570         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
571         (b<code>_op): Rewrite to...
572         (bcc_op): ... this, using match_operator.
573         (s<code>_op): Rewrite to...
574         (scc_op): ... this, using match_operator.
575         (s<code>_24_op): Rewrite to...
576         (scc_op_24): ... this, using match_operator.
577         (s<code>_<mode>): Rewrite to...
578         (cstore<mode>4): ... this, using match_operator.
579         (s<code>_<mode>_24): Rewrite to...
580         (cstore<mode>4_24): ... this, using match_operator.
581         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
582         m32c_unpend_compare, m32c_expand_scc): Delete.
583         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
584         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
585         (m32c_expand_movcc): Change NE to EQ if necessary.
586         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
587
588         * config/m32r/m32r-protos.h (gen_cond_store): New.
589         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
590         (gen_cond_store): New, from sCC patterns.
591         (m32r_expand_block_move): Use cbranchsi4.
592         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
593         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
594         (cbranchsi4, cstoresi4): New.
595         
596         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
597         Delete.
598         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
599         (m68hc11_notice_update_cc): Look into a compare with 0.
600         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
601         Delete.
602         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
603         cmphi, cmpqi, bCC): Delete.
604         (cbranchsi4, cbranchhi4, cbranchqi4): New.
605         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
606         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
607         sets with COMPARE.
608
609         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
610         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
611         * config/m68k/constraints.md (H): New.
612         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
613         the define_insn below.
614         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
615         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
616         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
617         patterns): Wrap RHS with COMPARE.
618         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
619         (*cmpdi_internal): Name this pattern.
620         (cmpdi): Change to define_insn.
621         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
622         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
623         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
624         predicate.
625         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
626         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
627         (conditional_trap): Change to...
628         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
629         (*conditional_trap): Use the ordered_comparison_operator and
630         const1_operand predicates.
631         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
632         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
633         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
634         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
635
636         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
637         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
638         (mcore_gen_compare): New. 
639         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
640         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
641         (mcore_gen_compare): ... this.
642         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
643         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
644         (stack probe pattern): Use cbranchsi4.
645
646         * config/mips/predicates.md (mips_cstore_operator): New.
647         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
648         * config/mips/mips.md (any_cond): Delete.
649         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
650         always succeed.
651         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
652         fixuns_truncsfdi2): Use cbranch patterns.
653         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
654         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
655         Adjust call to mips_expand_conditional_branch.
656         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
657         cstore<GPR:mode>4.
658         * config/mips/mips-protos.h (mips_expand_conditional_branch,
659         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
660         * config/mips/mips.c (cmp_operands): Delete.
661         (mips_emit_compare): Get comparison operands from *op0/*op1.
662         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
663         that it succeeds.  Use op0/op1 instead of cmp_operands.
664         (mips_expand_conditional_branch, mips_expand_conditional_move,
665         mips_expand_conditional_trap): Likewise.
666         (mips_block_move_loop): Use cbranch patterns. 
667         * config/mips/mips.h (cmp_operands): Delete.
668
669         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
670         (mmix_gen_compare_reg): Just return a register in the right CC mode.
671         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
672         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
673         (*cmpcc_folded): Rename to...
674         (*cmpdi_folded): this.
675         (*cmpcc): Rename to...
676         (*cmps): ... this.
677         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
678         (bCC): Remove.
679         (cbranchdi4): New.
680         (cbranchdf4): New.  Handle invalid comparisons here.
681         * config/mmix/predicates.md (float_comparison_operator): New.
682
683         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
684         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
685         * config/mn10300/mn10300.md (tst): Delete.
686         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
687         Name these patterns and wrap RHS in a compare.
688         (*cmpsi): Make this pattern private.  Include tst.
689         (*cmpsf): Make this pattern private.
690         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
691         (compare with zero peepholes): Likewise.
692         (bCC): Remove.
693         (cbranchsi4, cbranchsf4): New.
694         (casesi): Use cbranchsi4.
695
696         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
697         hppa_branch_type): Delete.
698         (return_addr_rtx): Use cbranchsi4.
699         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
700         Emit CCFPmode comparison here.
701         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
702         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
703         hppa_branch_type): Delete.
704         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
705         (movsicc, movdicc): Remove references to hppa_compare_op0,
706         hppa_compare_op1 and compare_from_rtx.
707         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
708         (casesi): Use cbranchsi4.
709
710         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
711         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
712         * config/pdp11/pdp11.md (register_or_const0_operand): New.
713         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
714         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
715         (bCC): Delete.
716         (cbranchdf4, cbranchhi4, cbranchqi4): New.
717         (*branch, *branch_inverted): New.
718
719         * config/picochip/picochip.md (cbranchhi4): Use
720         ordered_comparison_operator.
721         (cmphi, bCC): Remove.
722
723         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
724         (trap_comparison_operator): Delete.
725         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
726         rs6000_emit_cbranch): Accept mode and operands.
727         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
728         rs6000_compare_fp_p): Delete.   
729         (rs6000_generate_compare): Accept mode and comparison.  Extract code
730         and op0/op1 from there.  Replace references to rs6000_compare_op0
731         and rs6000_compare_op1.
732         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
733         extract result from passed operands.
734         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
735         extract loc from passed operands.
736         (rs6000_emit_cmove): Likewise.
737         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
738         rs6000_compare_fp_p): Delete.
739         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
740         (cbranch<GPR>4, cbranch<FP>4): New.
741         (cstore<mode>4): New.  Consolidate here all choices about when to use
742         portable or specialized sCC sequences.
743         (stack_protect_test): Use cbranchsi4.
744         (conditional_trap): Replace with ctrap<GPR>4.
745         (conditional trap insn): Replace trap_comparison_operator with
746         ordered_comparison_operator. 
747
748         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
749         (s390_emit_prologue): Use ctrap.
750         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
751         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
752         New predicates replacing...
753         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
754         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
755         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
756         (add<mode>cc): Do not use s390_compare_op0/op1.
757         (s<code>): Change to...
758         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
759         (seq): Change to...
760         (cstorecc4): ... this.  Handle EQ or NE equally.
761         (*sne): Un-privatize for use in cstorecc4.
762         (b<code>): Change to...
763         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
764         (conditional_trap): Replace with...
765         (ctrap<GPR>4, ctrap<FP>4): ... these.
766         (stack_protect): Use cbranchcc4.
767
768         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
769         * config/score/score-protos.h (score_gen_cmp): Delete.
770         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
771         (score_block_move-loop): Use cbranchsi4.
772         * config/score/score.md (cbranchsi4): New.
773         (cmpsi, bCC): Delete.
774         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
775         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
776         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
777         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
778         * config/score/score3.h (score3_gen_cmp): Delete.
779         * config/score/score7.h (score7_gen_cmp): Delete.
780
781         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
782         (sh_emit_scc_to_t): ... this.  Return void.
783         (from_compare): Rename to...
784         (sh_emit_compare_and_branch): ... this.
785         (sh_emit_compare_and_set): New.
786         (sh_expand_t_scc): Accept operands.
787         * config/sh/predicates.md (sh_float_comparison_operator): New.
788         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
789         (prepare_scc_operands): Rename to...
790         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
791         arguments.
792         (sh_emit_cheap_store_flag): New.
793         (sh_emit_set_t_insn): New.
794         (from_compare): Rename to...
795         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
796         handling of TARGET_SH2E floating point to avoid recursive call.
797         Generate branch here.
798         (sh_emit_compare_and_set): New.
799         (sh_expand_t_scc): Get op0/op1 from arguments.
800         (sh_emit_cheap_store_flag): New.
801         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
802         cases.
803         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
804         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
805         (movsicc, movdicc): Do nothing when it recreated operands from
806         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
807         prepare_scc_operands (now sh_emit_scc_to_t).
808         (udivdi3): Use cstoresi4.
809         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
810         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
811         (cbranchint4_media, cbranchfp4_media): New.
812         (casesi): Use cbranchdi4.
813         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
814         Delete.
815         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
816         (movnegt): Remove second operand.
817         (cbranchsf4, cbranchdf4): New.
818         (stack_protect): Use cbranchdi4/cbranchsi4.
819
820         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
821         (gen_compare_reg): Accept comparison, extract part of it to...
822         (gen_compare_reg_1): ... this. 
823         (gen_compare_operator): Delete.
824         (gen_v9_scc): Accept separate destination, comparison code and arms.
825         Do not use sparc_compare_op0/sparc_compare_op1.
826         (emit_scc_insn, emit_conditional_branch_insn): New.
827         (emit_v9_brxx): Make static.  Remove useless assertion.
828         (sparc_emit_float_lib_cmp): Return RTL instead of calling
829         emit_cmp_insn.
830         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
831         * config/sparc/sparc-protos.h (gen_compare_reg,
832         sparc_emit_float_lib_cmp): Adjust prototype.
833         (emit_scc_insn, emit_conditional_branch_insn): New.
834         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
835         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
836         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
837         iterators to the top.
838         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
839         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
840         snedi_special_trunc): Delete.
841         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
842         and snedi_special_trunc.
843         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
844         cbranchdi4, cbranch<F:mode>4): New.
845         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
846         here.  Use gen_compare_reg instead of gen_compare_operator.
847         (conditional_trap): Replace with...
848         (ctrapsi4, ctrapdi4): ... this.
849         (stack_protect_test): Use cbranchcc4.
850
851         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
852         argument to rtx.
853         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
854         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
855         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
856         from operands[0] or operands[3] depending on is_set.
857         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
858         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
859         cmpdf, bCC), sCC: Remove.
860         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
861         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
862         cstoredf4): New.
863         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
864         spu_emit_branch_or_set.
865
866         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
867         Add two arguments.
868         * config/stormy16/stormy16.h (xstormy16_compare_op0,
869         xstormy16_compare_op1): Delete.
870         * config/stormy16/stormy16.c (xstormy16_compare_op0,
871         xstormy16_compare_op1): Delete. 
872         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
873         Adjust calls.
874         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
875         (cmphi, cmpsi, bCC): Remove.
876
877         * config/v850/v850.md (tstsi, cmpsi): Fold into...
878         (*cmpsi): ... this one.
879         (cbranchsi4, cstoresi4): New.
880         (bCC expanders): Delete.
881         (sCC insns): Fold into...
882         (*setcc): ... this one.
883         (casesi): Do not use gen_cmpsi and gen_bgtu. 
884         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
885         (movsicc): Simplify.
886         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
887
888         * config/vax/vax-protos.h (cond_name): New.
889         (vax_output_conditional_branch): Remove.
890         * config/vax/vax.c (cond_name): New.
891         (vax_output_conditional_branch): Remove.
892         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
893         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
894         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
895         (bit<VAXint>): Wrap source with (compare).
896         (b<code> and following unnamed pattern): Rename to *branch and
897         *branch_reversed.  Change macroization to match_operator.
898         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
899
900         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
901         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
902         Change last argument to machine_mode.
903         (xtensa_expand_scc): Add machine_mode argument.
904         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
905         (gen_conditional_move, xtensa_expand_conditional_branch,
906         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
907         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
908         Adjust operand numbers.
909         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
910         Delete.
911         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
912         (cmpsi, cmpsf, b<code>, s<code>): Delete.
913         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
914
915 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
916
917         * optabs.c (prepare_cmp_insn): Temporarily disable test that
918         causes spurious differences between trunk and cond-optab branch.
919
920 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
921
922         PR target/37137
923         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
924
925 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
926
927         * tree.c (iterative_hash_pointer): Delete.
928         (iterative_hash_expr): Short-circuit handling of NULL pointer.
929         Hash UIDs and versions of SSA names.  Don't special-case built-in
930         function declarations.
931
932 2009-05-11  Ian Lance Taylor  <iant@google.com>
933
934         PR bootstrap/40103
935         * graphite.c: Force -Wc++-compat to only be a warning before
936         #including "cloog/cloog.h".
937
938 2009-05-11  Martin Jambor  <mjambor@suse.cz>
939
940         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
941         
942 2009-05-11  Jan Hubicka  <jh@suse.cz>
943
944         * tree-ssa-loop-ivcanon.c: Include target.h
945         (struct loop_size): new structure.
946         (constant_after_peeling): New predicate.
947         (tree_estimate_loop_size): New function.
948         (estimated_unrolled_size): Rewrite for new estimates.
949         (try_unroll_loop_completely): Use new estimates.
950         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
951
952 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
953
954         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
955         libcpp interface change.
956         (spu_macro_to_expand): Likewise.
957
958 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
959
960         PR tree-optimization/40026
961         * gimplify.c (gimplify_init_constructor): Change initial conditional
962         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
963         optimize_compound_literals_in_ctor.
964
965 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
966
967         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
968         New devices.
969         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
970
971 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
972
973         * tree-vect-data-refs.c (vect_analyze_group_access): Use
974         HOST_WIDE_INT for gap.
975
976 2009-05-11  Ira Rosen  <irar@il.ibm.com>
977
978         PR tree-optimization/40074
979         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
980         account in group size and step comparison.
981
982 2009-05-11  Richard Guenther  <rguenther@suse.de>
983
984         * passes.c (init_optimization_passes): Strip now incorrect comment.
985         (execute_function_todo): Do not set PROP_alias.
986         * tree-pass.h (PROP_alias): Remove.
987         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
988         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
989         * tree-nrv.c (pass_return_slot): Likewise.
990         * tree-object-size.c (pass_object_sizes): Likewise.
991         * tree-ssa-dom.c (pass_dominator): Likewise.
992         (pass_phi_only_cprop): Likewise.
993         * tree-ssa-dse.c (pass_dse): Likewise.
994         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
995         (pass_cselim): Likewise.
996         * tree-ssa-pre.c (pass_pre): Likewise.
997         (pass_fre): Likewise.
998         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
999         * tree-ssa-sink.c (pass_sink_code): Likewise.
1000         * tree-stdarg.c (pass_stdarg): Likewise.
1001         * tree-tailcall.c (pass_tail_calls): Likewise.
1002         * tree-vrp.c (pass_vrp): Likewise.
1003
1004 2009-05-10  Ian Lance Taylor  <iant@google.com>
1005
1006         * basic-block.h (enum profile_status): Break out of struct
1007         control_flow_graph.
1008         * cgraph.h (struct inline_summary): Break out of struct
1009         cgraph_local_info.
1010         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1011         of struct cgraph_order_sort.
1012         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1013         * cse.c (struct branch_path): Break out of struct
1014         cse_basic_block_data.
1015         * except.h (enum eh_region_type): Break out of struct eh_region.
1016         * gcc.c (enum add_del): Break out of struct modify_target.
1017         * genrecog.c (enum decision_type): Break out of struct decision_test.
1018         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1019         ggc_pch_data.
1020         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1021         * regmove.c (enum match_use): New enum, broken out of struct match.
1022         * sched-int.h (enum post_call_group): New enum, broken out of
1023         struct deps.
1024         (struct deps_reg): Break out of struct deps.
1025         * target.h (struct asm_int_op): Break out of struct gcc_target.
1026         * tree-eh.c (struct goto_queue_node): Break out of struct
1027         leh_tf_state.
1028         * tree-inline.h (enum copy_body_cge_which): Break out of
1029         copy_body_data.
1030         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1031
1032         * c-decl.c (in_struct, struct_types): New static variables.
1033         (pushtag): Add loc parameter.  Change all callers.
1034         (lookup_tag): Add ploc parameter.  Change all callers.
1035         (check_compound_literal_type): New function.
1036         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1037         -Wc++-compat, warn about struct/union/enum types defined within a
1038         struct or union.
1039         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1040         and loc parameters.  Change all callers.  Change error calls to
1041         error_at, using loc.  For a redefinition, if the location of the
1042         original definition is known, report it.  Set in_struct and
1043         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1044         (finish_struct): Add new parameters enclosing_in_struct and
1045         enclosing_struct_types.  Change all callers.  Set
1046         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1047         in the struct.  If in a struct, add this struct to struct_types.
1048         (start_enum): Add loc parameter.  Change all callers.  Use
1049         error_at for errors, using loc.  For a redefinition, if the
1050         location of the original definition is known, report it.  If in a
1051         struct, add this enum type to struct_types.  If -Wc++-compat warn
1052         if in sizeof, typeof, or alignof.
1053         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1054         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1055         (c_parser_enum_specifier): Get enum location for start_enum.
1056         (c_parser_struct_or_union_specifier): Get struct location for
1057         start_struct.  Save in_struct and struct_types status between
1058         start_struct and finish_struct.
1059         (c_parser_cast_expression): Get location of cast.
1060         (c_parser_alignof_expression): Get location of type.
1061         (c_parser_postfix_expression): Likewise.
1062         (c_parser_postfix_expression_after_paren_type): Add type_loc
1063         parameter.  Change all callers.  Call check_compound_literal_type.
1064         Use type_loc for error about variable size type.
1065         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1066         of an enum constant from an enum type defined in a struct or union.
1067         (c_cast_expr): Add loc parameter.  Change all callers.  If
1068         -Wc++-compat, warn about defining a type in a cast.
1069         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1070         (start_enum, start_struct, finish_struct): Update declarations.
1071         (parser_xref_tag, c_cast_expr): Update declarations.
1072         (check_compound_literal_type): Declare.
1073
1074 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1075
1076         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1077         for recent libcpp interface change.
1078         (rs6000_macro_to_expand): Likewise.
1079
1080 2009-05-10  Michael Matz  <matz@suse.de>
1081
1082         PR target/40031
1083         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1084         not at entry of function.
1085
1086 2009-05-10  Richard Guenther  <rguenther@suse.de>
1087
1088         PR tree-optimization/40081
1089         Revert
1090         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1091         using the main variant of the element type.  Do not fiddle with
1092         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1093
1094         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1095         structs with volatile fields.
1096
1097 2009-05-10  Jan Hubicka  <jh@suse.cz>
1098
1099         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1100         (estimate_move_cost): Assert that it does not get called for
1101         VOID_TYPE_P.
1102         (estimate_num_insns): Skip VOID types in argument handling.
1103         (optimize_inline_calls): Delete unreachable blocks and verify that
1104         callgraph is valid.
1105
1106 2009-05-10  Jan Hubicka  <jh@suse.cz>
1107
1108         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1109         * cgraph.c (cgraph_mark_address_taken_node): New function.
1110         (dump_cgraph_node): Dump new flag.
1111         * cgraph.h (struct cgraph_node): Add address_taken.
1112         (cgraph_mark_address_taken_node): New function.
1113         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1114         since new direct calls can be born.
1115
1116 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1117
1118         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1119         tok->val.node.node.
1120
1121 2009-05-10  Jan Hubicka  <jh@suse.cz>
1122
1123         PR middle-end/40084
1124         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1125         argument; rewrite.
1126         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1127         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1128         * tree-inline.c (copy_bb): Set frequency correctly.
1129         (fold_marked_statements): Update call to
1130         cgraph_update_edges_for_call_stmt.
1131
1132 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1133
1134         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1135         identifiers in diagnostics.
1136         * config/arm/arm.c (arm_handle_fndecl_attribute,
1137         arm_handle_isr_attribute): Likewise.
1138         * config/avr/avr.c (avr_handle_progmem_attribute,
1139         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1140         Likewise.
1141         * config/bfin/bfin.c (handle_int_attribute,
1142         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1143         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1144         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1145         Likewise.
1146         * config/darwin.c (darwin_handle_kext_attribute,
1147         darwin_handle_weak_import_attribute): Likewise.
1148         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1149         h8300_handle_eightbit_data_attribute,
1150         h8300_handle_tiny_data_attribute): Likewise.
1151         * config/i386/i386.c (ix86_handle_cconv_attribute,
1152         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1153         Likewise.
1154         * config/i386/winnt.c (ix86_handle_shared_attribute,
1155         ix86_handle_selectany_attribute): Likewise.
1156         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1157         * config/m32c/m32c.c (function_vector_handler): Likewise.
1158         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1159         m68hc11_handle_fntype_attribute): Likewise.
1160         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1161         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1162         * config/mips/mips.c (mips_insert_attributes,
1163         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1164         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1165         rs6000_handle_struct_attribute): Likewise.
1166         * config/sh/sh.c (sh_insert_attributes,
1167         sh_handle_resbank_handler_attribute,
1168         sh_handle_interrupt_handler_attribute,
1169         sh2a_handle_function_vector_handler_attribute,
1170         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1171         Likewise.
1172         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1173         * config/spu/spu.c (spu_handle_fndecl_attribute,
1174         spu_handle_vector_attribute): Likewise.
1175         * config/stormy16/stormy16.c
1176         (xstormy16_handle_interrupt_attribute): Likewise.
1177         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1178         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1179
1180 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1181
1182         * pretty-print.h (struct pretty_print_info): Add
1183         translate_identifiers.
1184         (pp_translate_identifiers): New.
1185         (pp_identifier): Only conditionally translate identifier to locale
1186         character set.
1187         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1188         (pp_base_tree_identifier): Only conditionally translate identifier
1189         to locale character set.
1190         * c-pretty-print.c (M_): Define.
1191         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1192         fragments for conditional translation with M_.
1193         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1194         identifier translation.
1195
1196 2009-05-10  Richard Guenther  <rguenther@suse.de>
1197
1198         PR tree-optimization/40081
1199         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1200         using the main variant of the element type.  Do not fiddle with
1201         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1202
1203 2009-05-09  Jan Hubicka  <jh@suse.cz>
1204
1205         PR middle-end/40080
1206         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1207         indirect calls; verify cgraph afterwards.
1208
1209 2009-05-09  Jan Hubicka  <jh@suse.cz>
1210
1211         PR bootstrap/40082
1212         * ipa.c (update_inlined_to_pointer): New function.
1213         (cgraph_remove_unreachable_nodes): Use it.
1214
1215 2009-05-09  Jan Hubicka  <jh@suse.cz>
1216
1217         * tree-eh.c (struct leh_state): Remove prev_try.
1218         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1219         not track prev_try.
1220         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1221         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1222         remove_eh_handler_and_replace, foreach_reachable_handler,
1223         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1224         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1225         (gen_eh_region_cleanup): Update prototype.
1226
1227 2009-05-09  Jan Hubicka  <jh@suse.cz>
1228
1229         PR middle-end/40043
1230         * except.c (copy_eh_region): Always set prev_try.
1231         (redirect_eh_edge_to_label): Find outer try.
1232         (foreach_reachable_handler): When looking for prev try
1233         handle case where previous try is not going to be taken.
1234
1235 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1236
1237         PR tree-optimization/40049
1238         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1239         only vector/vector shifts, convert the type of the constant to the
1240         appropriate type to avoid building incorrect trees, which
1241         eventually have problems with garbage collection.
1242
1243 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1244
1245         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1246         -1 for complex floating-point types if honoring signed zeros.
1247
1248 2009-05-08  Jan Hubicka  <jh@suse.cz>
1249
1250         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1251         argument; handle correctly when profile is absent.
1252         (build_cgraph_edges): Update.
1253         (rebuild_cgraph_edges): Update.
1254         * cgraph.c: Do not include varray.h.
1255         (cgraph_set_call_stmt_including_clones): New function.
1256         (cgraph_create_edge_including_clones): Likewise
1257         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1258         (cgraph_update_edges_for_call_stmt): Handle clones.
1259         (cgraph_remove_node): Handle clone tree.
1260         (cgraph_remove_node_and_inline_clones): New function.
1261         (dump_cgraph_node): Dump clone tree.
1262         (cgraph_clone_node): Handle clone tree.
1263         (clone_function_name): Bring here from tree-inline.c.
1264         (cgraph_create_virtual_clone): New function.
1265         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1266         (cgraph_clone_info): New function.
1267         (strut cgraph_node): Add clone_info and new clone tree pointers.
1268         (cgraph_remove_node_and_inline_clones,
1269         cgraph_set_call_stmt_including_clones,
1270         cgraph_create_edge_including_clones,
1271         cgraph_create_virtual_clone): Declare.
1272         (cgraph_function_versioning): Use VEC argument.
1273         (compute_call_stmt_bb_frequency): Update prototype.
1274         (cgraph_materialize_all_clones): New function.
1275         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1276         (ipcp_create_replace_map): Update to VECtors.
1277         (ipcp_update_callgraph): Use virtual clones.
1278         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1279         (ipcp_update_profiling): Do not update local profiling.
1280         (ipcp_insert_stage): Use VECtors and virtual clones.
1281         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1282         (clone_of_p): New function.
1283         (cgraph_preserve_function_body_p): Use clone tree.
1284         (cgraph_optimize): Materialize clones.
1285         (cgraph_function_versioning): Update for VECtors.
1286         (save_inline_function_body): Use clone tree.
1287         (cgraph_materialize_clone): New function.
1288         (cgraph_materialize_all_clones): Likewise.
1289         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1290         * ipa.c: Include gimple.h.
1291         (cgraph_remove_unreachable_nodes): Use clone tree.
1292         * ipa-prop.c (ipa_note_param_call): Update call to
1293         compute_call_stmt_bb_frequencycall.
1294         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1295         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1296         (copy_bb): Handle updating of clone tree; add new edge when new call
1297         appears.
1298         (expand_call_inline): Be strict about every call having edge.
1299         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1300         (delete_unreachable_blocks_update_callgraph): New function.
1301         (tree_function_versioning): Use VECtors; always remove unreachable
1302         blocks and fold conditionals.
1303         * tree-inline.h: Do not include varray.h.
1304         (tree_function_versioning): Remove.
1305         * Makefile.in (GTFILES): Remove tree-inline.c
1306         * passes.c (do_per_function): Do only functions having body.
1307         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1308         tree.
1309
1310 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1311             Andrew Morrow  <acm@google.com>
1312
1313         PR c/36892
1314         * c-common.c (c_common_attribute_table): Permit deprecated
1315         attribute to take an optional argument.
1316         (handle_deprecated_attribute): If the optional argument to
1317         __attribute__((deprecated)) is not a string ignore the attribute
1318         and emit a warning.
1319
1320         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1321         * c-typeck.c (build_component_ref): Likewise.
1322         (build_external_ref): Likewise.
1323
1324         * toplev.c (warn_deprecated_use): Add an attribute argument.
1325         Emit the message associated with __attribute__((deprecated)).
1326
1327         * toplev.h (warn_deprecated_use): Updated.
1328
1329         * doc/extend.texi: Document new optional parameter to
1330         __attribute__((deprecated))
1331
1332 2009-05-08  Michael Eager <eager@eagercon.com>
1333
1334         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1335         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1336
1337 2009-05-08  Richard Guenther  <rguenther@suse.de>
1338
1339         PR tree-optimization/40062
1340         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1341         Avoid exponential behavior.
1342
1343 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1344
1345         PR rtl-optimization/33928
1346         PR 26854
1347         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1348         process_uses, build_single_def_use_links): New.
1349         (update_df): Update use_def_ref.
1350         (forward_propagate_into): Use get_def_for_use instead of use-def
1351         chains.
1352         (fwprop_init): Call build_single_def_use_links and let it initialize
1353         dataflow.
1354         (fwprop_done): Free use_def_ref.
1355         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1356         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1357         df_rd_simulate_one_insn): New.
1358         (df_rd_bb_local_compute_process_def): Update head comment.
1359         (df_chain_create_bb): Use the new RD simulation functions.
1360         * df.h (df_rd_simulate_artificial_defs_at_top, 
1361         df_rd_simulate_one_insn): New.
1362         * opts.c (decode_options): Enable fwprop at -O1.
1363         * doc/invoke.texi (-fforward-propagate): Document this.
1364
1365 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1366
1367         PR c/24581
1368         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1369         and one complex operand specially.
1370         * tree-complex.c (some_nonzerop): Do not identify a real value as
1371         zero if flag_signed_zeros.
1372
1373 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1374
1375         PR rtl-optimization/33928
1376         * loop-invariant.c (record_use): Fix && vs. || mishap.
1377
1378 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1379
1380         PR rtl-optimization/33928
1381         * loop-invariant.c (struct use): Add addr_use_p.
1382         (struct def): Add n_addr_uses.
1383         (struct invariant): Add cheap_address.
1384         (create_new_invariant): Set cheap_address.
1385         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1386         (record_uses): Pass df_ref to record_use.
1387         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1388         used only as such.
1389
1390 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1391
1392         * config/sh/sh.c: Do not include c-pragma.h.
1393
1394 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1395
1396         * config/spu/spu.c: Remove include of c-common.h.
1397
1398 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1399
1400         PR c/39037
1401         * c-common.h (mark_valid_location_for_stdc_pragma,
1402         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1403         clear_float_const_decimal64, float_const_decimal64_p): New.
1404         * c.opt (Wunsuffixed-float-constants): New.
1405         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1406         unsuffixed float constant, handle new warning.
1407         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1408         * c-decl.c (c_scope): New flag float_const_decimal64.
1409         (set_float_const_decimal64, clear_float_const_decimal64,
1410         float_const_decimal64_p): New.
1411         (push_scope): Set new flag.
1412         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1413         to use STDC pragmas.
1414         (c_parser_external_declaration): Ditto.
1415         (c_parser_compound_statement_nostart): Ditto.
1416         * c-pragma.c (valid_location_for_stdc_pragma,
1417         mark_valid_location_for_stdc_pragma,
1418         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1419         handle_pragma_float_const_decimal64): New.
1420         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1421         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1422         set_float_const_decimal64, clear_float_const_decimal64,
1423         float_const_decimal64_p): New dummy functions.
1424         * doc/extend.texi (Decimal Float): Remove statement that the
1425         pragma, and suffix for double constants, are not supported.
1426         * doc/invoke.texi (Warning Options): List new option.
1427         (-Wunsuffixed-float-constants): New.
1428
1429 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1430
1431         * config/i386/i386.c: Do not include c-common.h.
1432
1433 2009-05-07  Mark Heffernan  <meheff@google.com>
1434
1435         * doc/invoke.texi (Debugging Options): Document change of debugging
1436         dump location.
1437         * opts.c (decode_options): Make dump_base_name relative to
1438         aux_base_name directory.
1439
1440 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1441
1442         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1443         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1444
1445 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1446
1447         * Makefile.in (install-plugin): Simplify a bit.
1448
1449 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1450
1451         * Makefile.in (OBJS-common): Add regcprop.o.
1452         (regcprop.o): New.
1453         * timevar.def (TV_CPROP_REGISTERS): New.
1454         * regrename.c (regrename_optimize): Return 0.
1455         (rest_of_handle_regrename): Delete.
1456         (pass_rename_registers): Point to regrename_optimize.
1457         (struct value_data_entry, struct value_data, 
1458         kill_value_one_regno, kill_value_regno, kill_value,
1459         set_value_regno, init_value_data, kill_clobbered_value,
1460         kill_set_value, kill_autoinc_value, copy_value,
1461         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1462         replace_oldest_value_reg, replace_oldest_value_addr,
1463         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1464         debug_value_data, validate_value_data): Move...
1465         * regcprop.c: ... here.
1466         (rest_of_handle_cprop): Delete.
1467         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1468
1469 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1470
1471         PR middle-end/40057
1472         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1473         GEN_INT for 1 << bitnum.
1474         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1475         build_int_cst_type.
1476
1477 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1478
1479         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1480         Remove wrong description of "nand" operation.
1481
1482 2009-05-06  Richard Guenther  <rguenther@suse.de>
1483             Adam Nemet  <anemet@caviumnetworks.com>
1484
1485         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1486         comment.  Add that if LHS is not a gimple register, then RHS1 has
1487         to be a single object (GIMPLE_SINGLE_RHS).
1488
1489 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1490
1491         * expr.c (get_def_for_expr): Move it up in the file.
1492         (store_field): When expanding a bit-field store, look at the
1493         defining gimple stmt for the masking conversion.
1494
1495 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1496
1497         PR middle-end/39986
1498         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1499         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1500         32-bit memcpy into long.
1501
1502 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1503
1504         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1505         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1506         new_reg_loc_descr.
1507         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1508         instead of appending DW_OP_deref*.
1509
1510 2009-05-06  Michael Matz  <matz@suse.de>
1511
1512         PR middle-end/40021
1513         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1514         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1515
1516 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1517
1518         * Makefile.in (install-plugin): Fix srcdir handling.
1519
1520 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1521
1522         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1523         when processing for not_regs_needed bitmap.
1524         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1525         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1526         handling it for rhs. 
1527
1528 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1529
1530         * config/i386/i386.md (unnamed inc/dec peephole): Use
1531         optimize_insn_for_size_p instead of optimize_size.
1532         * config/i386/predicates.md (incdec_operand): Likewise.
1533         (aligned_operand): Likewise.
1534         * config/i386/sse.md (divv8sf3): Likewise.
1535         (sqrtv8sf2): Likewise.
1536
1537 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1538
1539         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1540
1541         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1542
1543 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1544
1545         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1546         ssemodesuffixf2c with avxmodesuffixf2c.
1547
1548 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1549
1550         PR c/40032
1551         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1552
1553 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1554
1555         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1556         (struct tree_base): Adjust spacing for 8 bit boundaries.
1557         (struct tree_decl_common): Add decl_by_reference_flag bit.
1558         (DECL_BY_REFERENCE): Adjust.
1559         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1560         print DECL_BY_REFERENCE bit.
1561         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1562         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1563         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1564         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1565         unconditionally.
1566
1567         PR middle-end/39666
1568         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1569         range of the type, but default label is missing, add it with one
1570         of the existing labels instead of adding a new label for it.
1571
1572 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1573
1574         * dwarf.h: Remove.
1575
1576 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1577
1578         * Makefile.in (enable_plugin, plugin_includedir): New.
1579         (install): Depend on install-plugin.
1580         (PLUGIN_HEADERS): New.
1581         (install-plugin): New.
1582         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1583
1584 2009-05-05  Richard Guenther  <rguenther@suse.de>
1585
1586         PR tree-optimization/40022
1587         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1588         the only vuse.
1589         (phivn_valid_p): Fix tuplification error, simplify.
1590         (phiprop_insert_phi): Add dumps.
1591         (propagate_with_phi): Simplify.
1592
1593 2009-05-05  Richard Guenther  <rguenther@suse.de>
1594
1595         PR middle-end/40023
1596         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1597
1598 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1599
1600         * tree.h (strip_float_extensions): Remove duplicate declaration.
1601         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1602         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1603         block_ultimate_origin): Rearrange the declarations line to match the
1604         comment that indicates the .c file which the functions are defined.
1605         (dwarf2out_*, set_decl_rtl): Add comment.
1606         (get_base_address): Adjust comment.
1607         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1608         declarations line and add comment.
1609         (is_builtin_name): Add blank after function name, for clarity.
1610
1611 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1612
1613         * attribs.c (decl_attributes): Use %qE for identifiers in
1614         diagnostics.
1615         * cgraphunit.c (verify_cgraph_node): Translate function names to
1616         locale character set in diagnostics.
1617         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1618         diagnostics.
1619         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1620         Document that functions are named in UTF-8.
1621         * expr.c (expand_expr_real_1): Translate function names to locale
1622         character set in diagnostics.
1623         * gimplify.c (omp_notice_variable, omp_is_private,
1624         gimplify_scan_omp_clauses): Use %qE for identifiers in
1625         diagnostics.
1626         * langhooks.c (lhd_print_error_function): Translate function names
1627         to locale character set.
1628         * langhooks.h (decl_printable_name): Document that return value is
1629         in internal character set.
1630         * stmt.c: Include pretty-print.h
1631         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1632         diagnostics.
1633         (resolve_operand_name_1): Translate named operand name to locale
1634         character set.
1635         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1636         diagnostics.
1637         * toplev.c (announce_function): Translate function names to locale
1638         character set.
1639         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1640         (default_tree_printer): Use pp_identifier or translate identifiers
1641         to locale character set.  Mark "<anonymous>" for translation.
1642         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1643         for identifiers in diagnostics.
1644         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1645         diagnostics.
1646         * varasm.c (output_constructor): Use %qE for identifiers in
1647         diagnostics.
1648
1649 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1650
1651         * configure.ac: use ` ` instead of $()
1652         * configure: Regenerate.
1653
1654 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1655
1656         * config/pa/linux-atomic.c: Eliminate conditional include of
1657         errno.h on non-LP64 systems to simplify build requirements.
1658
1659 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1660
1661         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1662         diagnostics.
1663         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1664         and pass value to identifier_to_locale.
1665         (warn_variable_length_array): Make name a tree.
1666         (grokdeclarator): Separate diagnostic texts for named and unnamed
1667         declarators.  Use %qE for named declarators.
1668         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1669         diagnostics.
1670         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1671         identifiers in diagnostics.
1672         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1673         identifier_to_locale.  Mark "anonymous" strings for translation.
1674
1675 2009-05-04  Michael Eager <eager@eagercon.com>
1676
1677         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1678         address for DImode/DFmode only if double-precision FP regs.
1679
1680 2009-05-04  Michael Eager <eager@eagercon.com>
1681
1682         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1683         TARGET_SINGLE_FLOAT check.
1684
1685 2009-05-04  Michael Eager <eager@eagercon.com>
1686
1687         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1688
1689 2009-05-04  Michael Eager <eager@eagercon.com>
1690
1691         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1692         * config/rs6000/t-xilinx: New
1693
1694 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1695
1696         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1697         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1698         * gcc/explow.c (memory_address): Use target hook.
1699         * gcc/targhooks.c (default_legitimize_address): New.
1700         * gcc/targhooks.h (default_legitimize_address): New.
1701         * gcc/target.h (legitimize_address): New.
1702         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1703         (TARGET_INITIALIZER): Include it.
1704         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1705
1706         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1707         * config/bfin/bfin.c (legitimize_address): Remove.
1708         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1709         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1710         Remove.
1711         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1712         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1713
1714         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1715         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1716         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1717         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1718         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1719         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1720         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1721         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1722         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1723         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1724         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1725         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1726         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1727         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1728         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1729         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1730         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1731         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1732         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1733         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1734         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1735         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1736         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1737
1738         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1739         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1740         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1741         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1742         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1743         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1744         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1745         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1746         (thumb_legitimize_address): Delete.
1747         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1748         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1749         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1750         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1751         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1752         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1753         Delete.
1754         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1755         Delete.
1756
1757         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1758         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1759         * config/m32r/m32r.c (m32r_legitimize_address): New.
1760         * config/m68k/m68k.c (m68k_legitimize_address): New.
1761         * config/score/score.c (score_legitimize_address): Standardize.
1762         * config/score/score3.c (score3_legitimize_address): Standardize.
1763         * config/score/score3.h (score3_legitimize_address): Adjust.
1764         * config/score/score7.c (score7_legitimize_address): Standardize.
1765         * config/score/score7.h (score7_legitimize_address): Adjust.
1766         * config/sh/sh.c (sh_legitimize_address): New.
1767         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1768
1769         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1770         (s390_legitimize_address): ... this.
1771         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1772         (sparc_legitimize_address): ... this.
1773         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1774         (ix86_legitimize_address): ... this.
1775         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1776         (avr_legitimize_address): ... this.
1777         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1778         (mn10300_legitimize_address): ... this.
1779         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1780         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1781         (alpha_expand_mov): Adjust call.
1782
1783         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1784         * config/spu/spu.c (spu_legitimize_address): Likewise.
1785         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1786         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1787
1788 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1789
1790         * intl.c (locale_encoding, locale_utf8): New.
1791         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1792         * intl.h (locale_encoding, locale_utf8): Declare.
1793         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1794         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1795         New.
1796         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1797         argument.
1798         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1799         (pp_base_tree_identifier): Declare as function.
1800         (identifier_to_locale): Declare.
1801         * Makefile.in (pretty-print.o): Update dependencies.
1802         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1803
1804 2009-05-04  Richard Guenther  <rguenther@suse.de>
1805
1806         PR middle-end/40015
1807         * builtins.c (fold_builtin_memory_op): Do not decay to element
1808         type if the size matches the whole array.
1809
1810 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1811
1812         * expmed.c (synth_mult): When trying out a shift, pass the result
1813         of a signed shift.
1814
1815 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1816
1817         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1818         (shiftsub1_cost): New.
1819         (init_expmed): Compute shiftsub1_cost.
1820         (synth_mult): Optimize multiplications by constants of the form
1821         -(2^^m-1) for some constant positive integer m.
1822
1823 2009-05-03  Richard Guenther  <rguenther@suse.de>
1824
1825         PR c/39983
1826         * c-typeck.c (array_to_pointer_conversion): Do not built
1827         ADDR_EXPRs of arrays of pointer-to-element type.
1828         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1829         up wrong ADDR_EXPRs after-the-fact.
1830         * c-common.c (strict_aliasing_warning): Strip pointer
1831         conversions for obtaining the original type.
1832         * builtins.c (fold_builtin_memset): Handle array types.
1833         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1834         and array types
1835
1836 2009-05-03  Richard Guenther  <rguenther@suse.de>
1837
1838         PR middle-end/23329
1839         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1840         Do not lose casts from array types with unknown extent to array
1841         types with known extent.
1842         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1843         alias set compatibility.
1844
1845 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1846
1847         * flags.h (extra_warnings): Delete.
1848         * toplev.c (process_options): Handle Wuninitialized here.
1849         * opts.c (extra_warnings): Delete.
1850         (set_Wextra): Delete.
1851         (common_handle_option): -Wextra can be handled automatically.
1852         * c-opts.c (c_common_handle_option): Delete obsolete code.
1853         (c_common_post_options): Simplify comment.
1854         * common.opt (W): Add Var.
1855         (Wextra): Add Var.
1856         (Wuninitialized): Initialize to -1.
1857
1858 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1859             Richard Guenther  <rguenther@suse.de>
1860
1861         * expr.c (get_def_for_expr): New function.
1862         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1863         SSA rather than trees.
1864         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1865         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1866         
1867 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1868
1869         * c-common.c (reswords): Add _Imaginary.
1870         * c-common.c (enum rid): Add RID_IMAGINARY.
1871
1872 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1873
1874         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1875         Patch by Richard Guenther.
1876
1877 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1878
1879         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1880         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1881         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1882         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1883         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1884         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1885         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1886         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1887         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1888         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1889         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1890         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1891         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1892         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1893         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1894         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1895         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1896         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1897
1898 2009-05-02  Richard Guenther  <rguenther@suse.de>
1899
1900         PR tree-optimization/39940
1901         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1902         doing so.
1903
1904 2009-05-02  Richard Guenther  <rguenther@suse.de>
1905
1906         PR middle-end/40001
1907         * tree-ssa.c (execute_update_addresses_taken): Properly check
1908         if we can mark a variable DECL_GIMPLE_REG_P.
1909         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1910         back to the end of the function.
1911         (is_gimple_reg_type): Remove complex type special casing.
1912         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1913         if not optimizing.
1914
1915 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1916
1917         * doc/collect2.texi (Collect2): Document search path behaviour
1918         when configured with --with-ld.
1919
1920 2009-05-02  Jan Hubicka  <jh@suse.cz>
1921
1922         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1923         parameter; update callers.
1924         (coalesce_cost_edge): EH edges are costier because they needs
1925         splitting even if not critical and even more costier when there are
1926         multiple EH predecestors.
1927
1928 2009-05-02  Jan Hubicka  <jh@suse.cz>
1929
1930         * except.c (remove_eh_handler_and_replace): Handle updating after
1931         removing TRY blocks.
1932
1933 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1934
1935         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1936
1937 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1938
1939         * varasm.c: Do not include c-pragma.h.
1940         * attribs.c: Do not incude c-common.h.
1941
1942 2009-05-01  Michael Matz  <matz@suse.de>
1943
1944         * calls.c (initialize_argument_information): Handle SSA names like
1945         decls with a non MEM_P DECL_RTL.
1946
1947 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1948
1949         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1950         * ipa-utils.c: Likewise.
1951         * ipa-type-escape.c: Likewise.
1952         * cgraphunit.c Do not include c-common.h.
1953         * ipa-pure-const.c: Likewise.
1954         * tree-if-conv.c: Likewise.
1955         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1956         * ipa-struct-reorg.c: Likewise.
1957         * tree-nomudflap.c: Likewise.
1958         * tree-ssa-structalias.c: Likewise.
1959
1960 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1961
1962         * store-motion.c: Many cleanups to make this pass a first-class
1963         citizen instead of an appendix to gcse load motion.  Add TODO list
1964         to make this pass faster/cleaner/better.
1965
1966         (struct ls_expr): Post gcse.c-split cleanups.
1967         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1968         "stores" field to "avail_stores".
1969         (pre_ldst_mems): Rename to store_motion_mems.
1970         (pre_ldst_table): Rename to store_motion_mems_table.
1971         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1972         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1973         (ldst_entry): Rename to st_expr_entry, update users.
1974         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1975         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1976         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1977         update caller.
1978         (first_ls_expr): Rename to first_st_expr, update users.
1979         (next_ls_expr): Rename to next_st_expr, update users.
1980         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1981         fields properly for store motion instead of names inherited from load
1982         motion in gcse.c.
1983         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1984         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1985         are done with it.
1986
1987         (ae_kill): Rename to st_kill, update users.
1988         (ae_gen): Rename to st_avloc, update users.
1989         (transp): Rename to st_transp, update users.
1990         (pre_insert_map): Rename to st_insert_map, update users.
1991         (pre_delete_map): Rename to st_delete_map, update users.
1992         (insert_store, build_store_vectors, free_store_memory,
1993         one_store_motion_pass): Update for abovementioned changes.
1994
1995         (gcse_subst_count, gcse_create_count): Remove.
1996         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1997         and "n_stores_created", local variables.
1998
1999         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2000         use for_each_rtx.
2001
2002         (regvec, compute_store_table_current_insn): Remove.
2003         (reg_set_info, reg_clear_last_set): Remove.
2004         (compute_store_table): Use DF caches instead of local dataflow
2005         solvers.
2006
2007 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2008
2009         * c-objc-common.c (c_tree_printer): Print identifiers with
2010         pp_identifier, not pp_string.  Mark "({anonymous})" for
2011         translation.
2012         * c-pretty-print.c (pp_c_ws_string): New.
2013         (pp_c_cv_qualifier, pp_c_type_specifier,
2014         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2015         pp_c_storage_class_specifier, pp_c_function_specifier,
2016         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2017         pp_c_primary_expression, pp_c_postfix_expression,
2018         pp_c_unary_expression, pp_c_shift_expression,
2019         pp_c_relational_expression, pp_c_equality_expression,
2020         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2021         use pp_string and pp_c_ws_string in place of pp_identifier and
2022         pp_c_identifier for non-identifiers.  Mark English strings for
2023         translation.
2024         * c-pretty-print.h (pp_c_ws_string): Declare.
2025
2026 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2027             Roland McGrath <roland@redhat.com>
2028
2029         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2030         (ENABLE_LD_BUILDID): New configuration option.
2031         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2032         (LINK_BUILDID_SPEC): New macro.
2033         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2034         link_spec.
2035         * doc/install.texi: Document --enable-linker-build-id option.
2036         * configure: Rebuild.
2037         * config.in: Rebuild.
2038
2039 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2040
2041         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2042         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2043         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2044         MIPS_GP_SAVE_AREA_SIZE.
2045         * config/mips/mips.c (struct mips_frame_info): Update comment
2046         before arg_pointer_offset and hard_frame_pointer_offset.
2047         (mips_compute_frame_info): Update diagram before function: to
2048         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2049         indicate the position of frame_pointer_rtx with -fstack-protector and
2050         to show args_size.  Don't allocate cprestore area for leaf functions
2051         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2052         cprestore_size.
2053         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2054
2055 2009-04-30  Michael Matz  <matz@suse.de>
2056
2057         PR tree-optimization/39955
2058         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2059
2060 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2061
2062         * ira.c (setup_cover_and_important_classes):  Use safe macro
2063         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2064         directly.
2065         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2066         REG_CLASS_FOR_CONSTRAINT.
2067
2068 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2069
2070         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2071         instead of an int.
2072         * bitmap.c (bitmap_descriptor): Likewise.
2073         * ggc-common.c (loc_descriptor): Likewise.
2074         * varray.c (varray_descriptor): Likewise.
2075         * vec.c (vec_descriptor): Likewise.
2076
2077 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2078
2079         * Makefile.in (dce.o): Add $(EXCEPT_H).
2080         * dce.c: Include except.h and delete redundant vector definitions.
2081         (deletable_insn_p): Return false for non-call insns that can throw
2082         if DF is running.
2083
2084 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2085
2086         * gcse.c (ae_gen): Remove.
2087         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2088         and make non-static function to make it available in store-motion.c.
2089         Update call sites with search-and-replace.
2090         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2091         extract_mentioned_regs, extract_mentioned_regs_helper,
2092         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2093         store_killed_in_insn, store_killed_after, store_killed_before,
2094         build_store_vectors, insert_insn_start_basic_block, insert-store,
2095         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2096         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2097         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2098         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2099         and clean up to remove parts not used by store motion.
2100         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2101         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2102
2103 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2104
2105         PR target/38571
2106         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2107         when optimizing for size.
2108
2109 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2110
2111         * gcse.c (gcse_constant_p): Fix typo in last change.
2112
2113 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2114
2115         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2116
2117 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2118
2119         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2120
2121 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2122
2123         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2124         CONST_HIGH_PART result.
2125
2126 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2127
2128         * config/avr/avr.c (initial_elimination_offset): Rename to
2129         avr_initial_elimination_offset.
2130         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2131         change return type to bool.
2132         (avr_can_eliminate): New function.
2133         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2134         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2135         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2136         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2137         avr_initial_elimination_offset.
2138         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2139         (avr_initial_elimination_offset): Define.
2140
2141 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2142             Steven Bosscher  <steven@gcc.gnu.org>
2143
2144         PR rtl-optimization/39938
2145         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2146         * cfgrtl.c: Include insn-attr.h.
2147         (rest_of_pass_free_cfg): New function.
2148         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2149         * resource.c (init_resource_info): Remove call to df_analyze.
2150
2151 2009-04-29  Richard Guenther  <rguenther@suse.de>
2152
2153         PR target/39943
2154         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2155         allow conversion to signed integers.
2156
2157 2009-04-29  Richard Guenther  <rguenther@suse.de>
2158
2159         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2160         shifts of floating point vectors if the shift amount is
2161         a constant multiple of the element size.
2162
2163 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2164             Michael Matz  <matz@suse.de>
2165
2166         PR middle-end/39927
2167         PR bootstrap/39929
2168         * tree-outof-ssa.c (emit_partition_copy): New function.
2169         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2170         insert_part_to_rtx_on_edge): Perform the partition base var
2171         copy using emit_partition_copy.
2172         (insert_value_copy_on_edge): Convert constants to the right mode.
2173         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2174         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2175
2176 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2177
2178         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2179         scan backwards to try to find a constant to initialize it.
2180
2181         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2182         insn before the loop_end instruction, don't look past labels.
2183
2184 2009-04-29  Richard Guenther  <rguenther@suse.de>
2185
2186         PR middle-end/39937
2187         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2188         loose type conversions.
2189         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2190         stmts only if there are no uses of its definition.
2191
2192 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2193
2194         * config/bfin/bfin.h (splitting_loops): Declare.
2195         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2196         Reorder bit definitions to be ascending.
2197         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2198         * config/bfin/bfin.c (splitting_loops): New variable.
2199         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2200         (struct loop_info): Remove members INIT and LOOP_INIT.
2201         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2202         the LSETUP sequence.  Allow LC to be loaded from any register, but
2203         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2204         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2205         set to 1.
2206         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2207         of reload_completed.
2208
2209         From Jie Zhang:
2210         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2211
2212 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2213
2214         * Makefile.in (PLUGIN_VERSION_H): New.
2215         (OBJS-common): Remove plugin-version.o.
2216         (plugin.o): Depend on (PLUGIN_VERSION_H).
2217         (plugin-version.o): Remove.
2218         * configure: Regenerate
2219         * configure.ac: Create plugin-version.h.
2220         * gcc-plugin.h (plugin_gcc_version): Remove.
2221         (plugin_default_version_check): Change signature.
2222         * plugin-version.c: Remove.
2223         * plugin.c: Include plugin-version.h.
2224         (str_plugin_gcc_version_name): Remove.
2225         (try_init_one_plugin): Pass gcc version to plugin_init.
2226         (plugin_default_version_check): Both gcc and plugin versions are now
2227         arguments.
2228
2229 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2230         
2231         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2232         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2233         Remove special case testing for last insn of inner loops. Don't fail
2234         if the loop ends with a jump, emit an extra nop instead.
2235
2236         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2237         DREGS rather than comparing directly.  Remove code that tries to
2238         account for latencies.
2239
2240 2009-04-29  Richard Guenther  <rguenther@suse.de>
2241
2242         PR tree-optimization/39941
2243         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2244         eliminating an indirect call.
2245
2246 2009-04-29  Richard Guenther  <rguenther@suse.de>
2247
2248         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2249         parameter.  Allow invariants as base if !require_lvalue.
2250         (verify_gimple_assign_single): Adjust.
2251
2252 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2253
2254         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2255         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2256         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2257         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2258         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2259         a VEC_SELECT.
2260         * config/bfin/bfin.c (bfin_expand_builtin,
2261         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2262
2263 2009-04-28  Richard Guenther  <rguenther@suse.de>
2264
2265         * tree-vect-loop.c (get_initial_def_for_induction): Use
2266         correct types for pointer increment.
2267
2268 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2269
2270         * toplev.c (print_version): Update GMP version string calculation.
2271
2272 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2273
2274         PR rtl-optimization/39938
2275         * resource.c (init_resource_info): Add call to df_analyze.
2276
2277 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2278
2279         * config/alpha/alpha.md (usegp): Cast the result of
2280         alpha_find_lo_sum_using_gp to enum attr_usegp.
2281         * config/alpha/alpha.c (override_options): Remove end-of-structure
2282         marker element from cpu_table.  Use array size of cpu_table to handle
2283         -mcpu and -mtune options.
2284         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2285
2286 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2287
2288         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2289         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2290         tune_32 and tune_64.
2291         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2292         support on PowerPC.
2293         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2294         * config/rs6000/option-defaults.h: ... here.  New file.
2295         (OPT_64, OPT_32): Define.
2296         (MASK_64BIT): Define to 0 if not already defined.
2297         (OPT_ARCH64, OPT_ARCH32): Define.
2298         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2299         and tune_64.
2300
2301 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2302
2303         * config/arm/arm.c (arm_override_options): Emit error on using
2304         fpa with AAPCS.
2305
2306 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2307
2308         PR rtl-optimization/39914
2309         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2310         registers for allocnos created from user-defined variables only
2311         when not optimizing.
2312
2313 2009-04-28  Richard Guenther  <rguenther@suse.de>
2314
2315         PR middle-end/39937
2316         * fold-const.c (fold_binary): Use distribute_real_division only
2317         on float types.
2318
2319 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2320
2321         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2322         add hpux-stdint.h to tm_file.
2323         (hppa[12]*-*-hpux11*): Ditto.
2324         (ia64*-*-hpux*): Ditto.
2325         * config/hpux-stdint.h: New.
2326         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2327         __STDC_EXT__ for all compiles.
2328         * config/pa/pa-hpux.h: Ditto.
2329         * config/pa/pa-hpux10.h: Ditto.
2330         * config/pa/pa-hpux11.h: Ditto.
2331
2332 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2333
2334         * debug.h (set_name): Add comment.
2335
2336 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2337
2338         PR target/39929
2339         * config/darwin.c (machopic_gen_offset): Check
2340         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2341         * config/arm/arm.c (require_pic_register): Likewise.
2342
2343 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2344
2345         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2346         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2347         m32c_promote_prototypes): Delete.
2348
2349 2009-04-28  Michael Matz  <matz@suse.de>
2350
2351         PR middle-end/39922
2352         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2353         constants.
2354
2355 2009-04-28  Richard Guenther  <rguenther@suse.de>
2356
2357         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2358
2359 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2360
2361         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2362         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2363         * config/arm/arm-tune.md: Regenerate.
2364
2365 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2366
2367         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2368         block if there are complex incoming edges.
2369         (sel_merge_blocks): Remove useless assert.
2370         (sel_redirect_edge_and_branch): Check that edge was redirected.
2371         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2372         (sel_find_rgns): Delete declaration.
2373         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2374         the region when it is not a preheader.
2375
2376 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2377
2378         PR c/39323
2379         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2380
2381 2009-04-28  Richard Guenther  <rguenther@suse.de>
2382
2383         * tree.h (SSA_NAME_VALUE): Remove.
2384         (struct tree_ssa_name): Remove value_handle member.
2385         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2386         array for jump threading.
2387         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2388         SSA_NAME_VALUEs.
2389         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2390         * tree-flow.h (threadedge_initialize_values): Declare.
2391         (threadedge_finalize_values): Likewise.
2392         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2393         (SSA_NAME_VALUE): Define.
2394         (threadedge_initialize_values): New function.
2395         (threadedge_finalize_values): Likewise.
2396         * tree-ssa-dom.c (ssa_name_values): New global variable.
2397         (SSA_NAME_VALUE): Define.
2398         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2399
2400 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2401
2402         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2403         Use REPORT_VECTORIZED_LOCATIONS instead 
2404         REPORT_VECTORIZED_LOOPS.
2405         * tree-vectorizer.c (vect_verbosity_level): Make static.
2406         (vect_loop_location): Rename to vect_location.
2407         (vect_set_verbosity_level): Update comment.
2408         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2409         and vect_location.
2410         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2411         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2412         instead REPORT_UNVECTORIZED_LOOPS.
2413         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2414         and vect_loop_def to vect_external_def and vect_internal_def.
2415         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2416         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2417         REPORT_UNVECTORIZED_LOCATIONS.
2418         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2419         and vect_used_in_loop and to vect_unused_in_scope and 
2420         vect_used_in_scope.
2421         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2422         (vect_verbosity_level): Remove declaration.
2423         (vect_analyze_operations): Likewise.
2424         (vect_analyze_stmt): Declare.
2425         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2426         REPORT_UNVECTORIZED_LOCATIONS.
2427         (vect_get_loop_niters): Fix indentation.
2428         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2429         (vect_analyze_loop_operations): New function.
2430         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2431         vect_analyze_operations.
2432         (vect_is_simple_reduction): Use new names.
2433         (vectorizable_live_operation, vect_transform_loop): Likewise.
2434         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2435         to specify whether the data references can be a part of interleaving
2436         chain.
2437         (vect_analyze_data_ref_dependence): Use new names.
2438         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2439         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2440         * tree-vect-patterns.c (widened_name_p): Use new names.
2441         (vect_recog_dot_prod_pattern): Likewise.
2442         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2443         (process_use, vect_mark_stmts_to_be_vectorized, 
2444         vect_model_simple_cost, vect_model_store_cost,
2445         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2446         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2447         vectorizable_operation, vectorizable_type_demotion,
2448         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2449         vectorizable_condition): Likewise.
2450         (vect_analyze_operations): Split into vect_analyze_loop_operations
2451         and ...
2452         (vect_analyze_stmt): ... new function.
2453         (new_stmt_vec_info): Use new names.
2454         (vect_is_simple_use): Use new names and fix comment.
2455         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2456         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2457
2458 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2459
2460         PR target/39911
2461         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2462         and integer modes for x87 operands.  Do not ICE for unsupported size,
2463         generate error instead.  Generate error for unsupported operand types.
2464         ['z']: Do not handle HImode memory operands specially.  Warning
2465         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2466         types.  Do not ICE for unsupported size, generate error instead.
2467         (output_387_binary_op): Use %Z to output operands.
2468         (output_fp_compare): Ditto.
2469         (output_387_reg_move): Ditto.
2470
2471 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2472
2473         PR c++/35652
2474         Revert:
2475
2476         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2477
2478         * builtins.c (c_strlen): Do not warn here.
2479         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2480         * c-common.c (pointer_int_sum): Take an explicit location.
2481         Warn about offsets out of bounds.
2482         * c-common.h (pointer_int_sum): Adjust declaration.
2483
2484 2009-04-27  Ian Lance Taylor  <iant@google.com>
2485
2486         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2487         names to symkind.
2488         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2489         * df-core.c (df_set_flags): Change return type to int.  Change
2490         type of old_flags to int.
2491         (df_clear_flags): Likewise.
2492         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2493         (df_get_conditional_uses): Likewise.
2494         * df.h (df_set_flags, df_clear_flags): Update declarations.
2495         * dwarf2out.c (struct indirect_string_node): Change type of form
2496         field to enum dwarf_form.
2497         (AT_string_form): Change return type to enum dwarf_form.
2498         * fixed-value.c (fixed_compare): Add cast to enum type.
2499         * fwprop.c (update_df): Change 0 to VOIDmode.
2500         * gensupport.c: Change 0 to UNKNOWN.
2501         * gimple.h (gimple_cond_code): Add cast to enum type.
2502         * haifa-sched.c (reemit_notes): Add cast to enum type.
2503         * hooks.c (hook_int_void_no_regs): Remove function.
2504         * hooks.h (hook_int_void_no_regs): Remove declaration.
2505         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2506         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2507         * real.c (real_arithmetic): Add cast to enum type.
2508         (real_compare): Likewise.
2509         * target.h (struct gcc_target): Change return type of
2510         branch_target_register_class to enum reg_class.
2511         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2512         default_branch_target_register_class.
2513         * targhooks.c (default_branch_target_register_class): New function.
2514         * targhooks.h (default_branch_target_register_class): Declare.
2515         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2516         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2517         cast to int.
2518         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2519         ERROR_MARK.
2520         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2521         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2522         * tree-vect-stmts.c (supportable_widening_operation): Don't
2523         initialize icode1 and icode2.
2524         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2525         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2526         and to STD_C89.
2527         (cmn_err_flag_specs): Change 0 to STD_C89.
2528         (cmn_err_char_table): Likewise.
2529         * config/arm/arm.c (get_arm_condition_code): Change type of code
2530         to enum arm_cond_code.
2531         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2532         (IWMMXT_BUILTIN2): Likewise.
2533         (neon_builtin_type_bits): Don't define typedef.
2534         (neon_builtin_datum): Change type of bits field to int.
2535         (arm_expand_neon_args): Add cast to enum type.
2536         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2537         TLS_MODEL_NONE.
2538         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2539         casts to enum type.
2540         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2541         MIPS_FP_COND_f.
2542         * config/mips/mips.md (jal_macro): Return enum constant.
2543         (single_insn): Likewise.
2544         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2545         CODE_FOR_nothing.
2546         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2547         casts to enum type.
2548         * config/s390/s390.c (s390_tune_flags): Change type to int.
2549         (s390_arch_flags): Likewise.
2550         (s390_handle_arch_option): Change flags field of struct pta to int.
2551         * config/s390/s390.h (s390_tune_flags): Update declaration.
2552         (s390_arch_flags): Likewise.
2553         * config/sh/sh.c (prepare_move_operands): Compare
2554         tls_symbolic_operand result with enum constant.
2555         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2556         (sh_expand_prologue): Add cast to enum type.
2557         (sh_expand_epilogue): Likewise.
2558         (tls_symbolic_operand): Change return type to enum tls_model.
2559         (fpscr_set_from_mem): Add cast to enum type.
2560         (legitimize_pic_address): Compare tls_symbolic_operand result with
2561         enum constant.
2562         (sh_target_reg_class): Change return type to enum reg_class.
2563         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2564         PROCESSOR_xxx.
2565         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2566         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2567         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2568         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2569         (delayed_branch, tls_call_delay): Likewise.
2570         (eligible_for_sibcall_delay): Likewise.
2571         (eligible_for_return_delay): Likewise. 
2572         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2573         (spu_expand_builtin_1): Likewise.
2574
2575         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2576         for all types of conversions.
2577         (output_init_element): Issue -Wc++-compat warning if needed when
2578         initializing a bitfield with enum type.
2579         * c-parser.c (c_parser_expression): Set original_type to
2580         original_type of right hand operand of comman operator.
2581
2582 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2583
2584         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2585         grammar nits.
2586         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2587         * doc/cpp.texi (Standard Predefined Macros)
2588         (Implementation-defined behavior): Likewise.
2589         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2590         * doc/gimple.texi (GIMPLE Exception Handling)
2591         (@code{GIMPLE_ASSIGN}): Likewise.
2592         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2593         * doc/invoke.texi (Warning Options, Optimize Options)
2594         (AVR Options, Darwin Options): Likewise.
2595         (Optimize Options): Reformulate -fwhole-program description.
2596         * doc/loop.texi (Lambda): Likewise.
2597         * doc/md.texi (Output Template, Define Constraints)
2598         (Standard Names, Insn Splitting): Likewise.
2599         * doc/options.texi (Option properties): Likewise.
2600         * doc/passes.texi (Tree-SSA passes): Likewise.
2601         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2602         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2603         (File Names and DBX): Likewise.
2604         * doc/trouble.texi (Incompatibilities): Likewise.
2605
2606 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2607
2608         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2609         instruction is correct.
2610
2611 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2612
2613         Allow non-constant arguments to conversion intrinsics.
2614         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2615         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2616         * spu.c (print_operand): Handle 'v' and 'w'.
2617         (exp2_immediate_p, spu_gen_exp2): Define.
2618         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2619         spu_convtf_1): Update parameter descriptions.
2620         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2621         * constraints.md ('v', 'w'): New.
2622         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2623         Remove.
2624         (i2f, I2F): New define_mode_attr.
2625         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2626         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2627         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2628         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2629         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2630         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2631         patterns for combine.
2632
2633 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2634
2635         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2636         (cprop, hoist, pre, store_motion): New debug counters.
2637         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2638         is not an RTL pass anymore.
2639         (pass_profiling): Remove extern decl for pass removed in 2005.
2640         (pass_gcse, pass_jump_bypass): Remove.
2641         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2642         to 0 for clean state.
2643         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2644         * cse.c (gate_handle_cse_after_global_opts,
2645         rest_of_handle_cse_after_global_opts): New functions.
2646         (pass_cse_after_global_opts): New pass, does local CSE.
2647         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2648         (TV_CPROP): New timevar.
2649         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2650         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2651         (gcse_main, recompute_all_luids): Remove.
2652         (compute_hash_table_work): Call max_reg_num instead of reading
2653         max_gcse_regno.
2654         (cprop_jump): Don't set run_jump_opt_after_gcse.
2655         (constprop_register): Always allow to alter jumps.
2656         (cprop_insn): Likewise.
2657         (do_local_cprop): Likewise.
2658         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2659         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2660         (find_implicit_sets): Add note about missed optimization opportunity.
2661         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2662         pass_rtl_cprop execute function.
2663         Don't bother tracking the pass number, each pass gets its own dumpfile
2664         now anyway.
2665         Always allow to alter jumpsand bypass jumps.
2666         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2667         will just find no suitable set.
2668         (pre_edge_insert): Fix dumping, this function is for PRE only.
2669         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2670         pass_rtl_pre execute function.
2671         (hoist_code): Return non-zero if something changed.  Keep track of
2672         substitutions and insertions for statistics gathering similar to PRE.
2673         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2674         called from the pass_rtl_hoist execute function.  Show pass statistics.
2675         (compute_store_table): Use max_reg_num directly instead of using the
2676         formerly global max_gcse_regno.
2677         (build_store_vectors): Likewise.
2678         (replace_store_insn): Fix dumping.
2679         (store_motion): Rename to ...
2680         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2681         pass, called from the pass_rtl_store_motion execute function.  Keep
2682         track of substitutions and insertions for statistics gathering similar
2683         to PRE.
2684         (bypass_jumps): Remove, fold interesting bits into ...
2685         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2686         from the pass_rtl_cprop execute function.
2687         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2688         pass_jump_bypass): Remove.
2689         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2690         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2691         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2692         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2693         (gate_rtl_store_motion, execute_rtl_store_motion,
2694         pass_rtl_store_motion): New.
2695         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2696         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2697         * passes.c (init_optimization_passes): Remove pass_gcse and
2698         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2699         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2700         instead of pass_jump_bypass.
2701
2702 2009-04-27  Richard Guenther  <rguenther@suse.de>
2703
2704         PR middle-end/39928
2705         * gimplify.c (gimplify_expr): If we are required to create
2706         a temporary make sure it ends up as register.
2707
2708 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2709
2710         PR target/39903
2711         * config/i386/i386.c (construct_container): Don't call
2712         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2713         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2714
2715 2009-04-27  Michael Matz  <matz@suse.de>
2716
2717         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2718         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2719         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2720         (dump_replaceable_exprs): Take a bitmap.
2721         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2722         array.
2723         (expand_gimple_basic_block): Likewise.
2724         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2725         replaceable_expressions member a bitmap.
2726         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2727         (mark_replaceable): Likewise.
2728         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2729         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2730
2731 2009-04-27  Richard Guenther  <rguenther@suse.de>
2732
2733         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2734         (verify_stmts): Dispatch to gimple/type verification code.
2735         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2736         issue with call argument types.
2737
2738 2009-04-27  Michael Matz  <matz@suse.de>
2739
2740         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2741         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2742         to above.
2743
2744 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2745             Eric Botcazou  <ebotcazou@adacore.com>
2746
2747         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2748         a label's basic block.
2749         (mark_target_live_regs): Tidy and rework obsolete comments.
2750         Change back DF problem to LIVE.  If a label starts a basic block,
2751         assume that all registers that used to be live then still are.
2752         (init_resource_info): If a label starts a basic block, set its
2753         BLOCK_FOR_INSN accordingly.
2754         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2755
2756 2009-04-27  Richard Guenther  <rguenther@suse.de>
2757
2758         * tree-flow-inline.h (function_ann): Remove.
2759         (get_function_ann): Likewise.
2760         * tree-dfa.c (create_function_ann): Remove.
2761         * tree-flow.h (struct static_var_ann_d): Remove.
2762         (struct function_ann_d): Likewise.
2763         (union tree_ann_d): Remove fdecl member.
2764         (function_ann_t): Remove.
2765         (function_ann, get_function_ann, create_function_ann): Remove
2766         declarations.
2767
2768 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2771
2772 2009-04-27  Jan Hubicka  <jh@suse.cz>
2773
2774         * ipa-pure-const.c (struct funct_state_d): New fields
2775         state_previously_known, looping_previously_known; remove
2776         state_set_in_source.
2777         (analyze_function): Use new fields.
2778         (propagate): Avoid assumption that state_set_in_source imply
2779         nonlooping.
2780
2781         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2782         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2783         * cfgloop.h (finite_loop_p): Declare.
2784
2785 2009-04-26  Michael Matz  <matz@suse.de>
2786
2787         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2788
2789 2009-04-26  Michael Matz  <matz@suse.de>
2790
2791         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2792         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2793         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2794         pass_mark_used_blocks): Remove.
2795         * tree-optimize.c (pass_free_datastructures,
2796         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2797         * passes.c (init_optimization_passes): Don't call
2798         pass_mark_used_blocks, remove dead code.
2799
2800 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2801
2802         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2803         * tree-ssa-live.h (register_ssa_partition): Likewise.
2804
2805 2009-04-26  Michael Matz  <matz@suse.de>
2806
2807         Expand from SSA.
2808         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2809         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2810         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2811         SSA names. 
2812         (compare_pairs): Swap cost comparison.
2813         (coalesce_ssa_name): Don't use change_partition_var.
2814         * tree-nrv.c (struct nrv_data): Add modified member.
2815         (finalize_nrv_r): Set it.
2816         (tree_nrv): Use it to update statements.
2817         (pass_nrv): Require PROP_ssa.
2818         * tree-mudflap.c (mf_decl_cache_locals,
2819         mf_build_check_statement_for): Use make_rename_temp.
2820         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2821         * alias.c (find_base_decl): Handle SSA names.
2822         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2823         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2824         * rtl.h (set_reg_attrs_for_parm): Declare.
2825         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2826         to "optimized", remove unused locals at finish.
2827         (execute_free_datastructures): Make global, call
2828         delete_tree_cfg_annotations.
2829         (execute_free_cfg_annotations): Don't call
2830         delete_tree_cfg_annotations.
2831
2832         * ssaexpand.h: New file.
2833         * expr.c (toplevel): Include ssaexpand.h.
2834         (expand_assignment): Handle SSA names the same as register variables.
2835         (expand_expr_real_1): Expand SSA names.
2836         * cfgexpand.c (toplevel): Include ssaexpand.h.
2837         (SA): New global variable.
2838         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2839         (SSAVAR): New macro.
2840         (set_rtl): New helper function.
2841         (add_stack_var): Deal with SSA names, use set_rtl.
2842         (expand_one_stack_var_at): Likewise.
2843         (expand_one_stack_var): Deal with SSA names.
2844         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2845         before unique numbers.
2846         (expand_stack_vars): Use set_rtl.
2847         (expand_one_var): Accept SSA names, add asserts for them, feed them
2848         to above subroutines.
2849         (expand_used_vars): Expand all partitions (without default defs),
2850         then only the local decls (ignoring those expanded already).
2851         (expand_gimple_cond): Remove edges when jumpif() expands an
2852         unconditional jump.
2853         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2854         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2855         SSA name.
2856         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2857         members of SA; deal with PARM_DECL partitions here; expand
2858         all PHI nodes, free tree datastructures and SA.  Commit instructions
2859         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2860         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2861         info and statements at start, collect garbage at finish.
2862         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2863         (VAR_ANN_PARTITION) Remove.
2864         (change_partition_var): Don't declare.
2865         (partition_to_var): Always return SSA names.
2866         (var_to_partition): Only accept SSA names.
2867         (register_ssa_partition): Only check argument.
2868         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2869         member.
2870         (delete_var_map): Don't free it.
2871         (var_union): Only accept SSA names, simplify.
2872         (partition_view_init): Mark only useful SSA names as used.
2873         (partition_view_fini): Only deal with SSA names.
2874         (change_partition_var): Remove.
2875         (dump_var_map): Use ssa_name instead of partition_to_var member.
2876         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2877         basic blocks.
2878         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2879         (struct _elim_graph): New member const_dests; nodes member vector of
2880         ints.
2881         (set_location_for_edge): New static helper.
2882         (create_temp): Remove.
2883         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2884         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2885         (new_elim_graph): Allocate const_dests member.
2886         (clean_elim_graph): Truncate const_dests member.
2887         (delete_elim_graph): Free const_dests member.
2888         (elim_graph_size): Adapt to new type of nodes member.
2889         (elim_graph_add_node): Likewise.
2890         (eliminate_name): Likewise.
2891         (eliminate_build): Don't take basic block argument, deal only with
2892         partition numbers, not variables.
2893         (get_temp_reg): New static helper.
2894         (elim_create): Use it, deal with RTL temporaries instead of trees.
2895         (eliminate_phi): Adjust all calls to new signature.
2896         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2897         (rewrite_trees): Only do checking.
2898         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2899         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2900         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2901         contains_tree_r, MAX_STMTS_IN_LATCH,
2902         process_single_block_loop_latch, analyze_edges_for_bb,
2903         perform_edge_inserts): Remove.
2904         (expand_phi_nodes): New global function.
2905         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2906         functions, initialize new parameter, remember partitions having a
2907         default def.
2908         (finish_out_of_ssa): New global function.
2909         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2910         don't reset in_ssa_p here, don't disable TER when mudflap.
2911         (pass_del_ssa): Remove.
2912         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2913         partition members.
2914         (execute_free_datastructures): Declare.
2915         * Makefile.in (SSAEXPAND_H): New variable.
2916         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2917         * basic-block.h (commit_one_edge_insertion): Declare.
2918         * passes.c (init_optimization_passes): Move pass_nrv and
2919         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2920         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2921         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2922         (redirect_branch_edge): Deal with super block when expanding, split
2923         out jump patching itself into ...
2924         (patch_jump_insn): ... here, new static helper.
2925
2926 2009-04-26  Michael Matz  <matz@suse.de>
2927
2928         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2929         beyond num_ssa_names.
2930         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2931         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2932
2933 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2934
2935         PR inline-asm/39543
2936         * fwprop.c (forward_propagate_asm): New function.
2937         (forward_propagate_and_simplify): Propagate also into __asm, if it
2938         doesn't increase the number of referenced registers.
2939
2940         PR c/39889
2941         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2942
2943 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2944
2945         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2946         note_nonlocal_vla_type for nonlocal VLAs.
2947         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2948         contains_remapped_vars, remap_vla_decls): New functions.
2949         (convert_nonlocal_reference_stmt): If not optimizing, call
2950         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2951         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2952         if it wasn't found in var_map.
2953         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2954         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2955         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2956         declare_vars.
2957         * gimplify.c (nonlocal_vlas): New variable.
2958         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2959         referenced VLAs.
2960         (gimplify_body): Create and destroy nonlocal_vlas.
2961
2962         * dwarf2out.c (loc_descr_plus_const): New function.
2963         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2964         mem_loc_descriptor, loc_descriptor_from_tree_1,
2965         descr_info_loc, gen_variable_die): Use it.
2966
2967         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2968         !TREE_STATIC VAR_DECLs.
2969         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2970         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2971         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2972         DECL_BY_REFERENCE is valid.
2973         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2974         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2975         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2976         Copy DECL_BY_REFERENCE.
2977         (struct nesting_copy_body_data): New type.
2978         (nesting_copy_decl): New function.
2979         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2980         if they have variable length.
2981
2982 2009-04-26  Michael Matz  <matz@suse.de>
2983
2984         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2985         mark new temporaries for renaming.
2986
2987 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2988
2989         PR c/39581
2990         * c-decl.c (global_bindings_p): Return negative value.
2991         (c_variable_size): New.  Based on variable_size from
2992         stor-layout.c.
2993         (grokdeclarator): Call c_variable_size not variable_size.
2994
2995 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2996
2997         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2998
2999 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3000
3001         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3002         Redefine it to just use mingw/include.
3003         (ASM_SPEC): Rules for -m32 and -m64.
3004         (LINK_SPEC): Use Likewise.
3005         (SPEC_32): New define.
3006         (SPEC_64): Likewise.
3007         (SUB_LINK_SPEC): Likewise.
3008         (MULTILIB_DEFAULTS): New define.
3009         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3010         Add multilib options.
3011         (MULTILIB_DIRNAMES): Likewise.
3012         (MULTILIB_OSDIRNAMES): Likewise.
3013         (LIBGCC): Likewise.
3014         (INSTALL_LIBGCC): Likewise.
3015
3016 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3017
3018         PR c/39556
3019         * c-tree.h (enum c_inline_static_type): New.
3020         (record_inline_static): Declare.
3021         * c-decl.c (struct c_inline_static, c_inline_statics,
3022         record_inline_static, check_inline_statics): New.
3023         (pop_file_scope): Call check_inline_statics.
3024         (start_decl): Call record_inline_static instead of pedwarning
3025         directly for static in inline function.
3026         * c-typeck.c (build_external_ref): Call record_inline_static
3027         instead of pedwarning directly for static referenced in inline
3028         function.
3029
3030 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3031
3032         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3033         not new but only being rescanned.
3034         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3035         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3036         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3037         record_set_info, compute_set, grealloc): Remove.
3038         (recompute_all_luids): New function.
3039         (gcse_main): Don't compute sets, and don't do related memory
3040         allocations/free-ing.  If something changed before the end of the
3041         pass, update LUIDs using recompute_all_luids.
3042         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3043         (free_gcse_mem): Don't free it either.
3044         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3045         Use the df insn LUIDs.
3046         (load_killed_in_block): Likewise.
3047         (compute_hash_table_work): Don't compute reg_set_in_block.
3048         (compute_transp): Use DF_REG_DEF_CHAINs.
3049         (local_cprop_pass): Don't use compute_sets and related functions.
3050         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3051         Use get_max_uid() instead of max_cuid.
3052         (insert_insn_end_basic_block, pre_insert_copy_insn,
3053         update_ld_motion_stores): Don't try to
3054         keep reg_set tables up to date.
3055         (pre_insert_copies): Use df insn LUIDs.
3056         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3057         (reg_set_info): Don't use extra bitmap argument.
3058         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3059         information to compute regs_set_in_block.
3060         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3061         (bypass_jumps): Don't use compute_sets and friends.
3062
3063 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3064
3065         PR testsuite/39710
3066         * opts.c (undocumented_msg): Do not leave blank even with
3067         ENABLE_CHECKING.
3068
3069 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3070
3071         * c-decl.c (build_enumerator): Allow values folding to integer
3072         constants but not integer constant expressions with a pedwarn if
3073         pedantic.
3074
3075 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3076
3077         PR c/39582
3078         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3079         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3080         type is an integer constant.
3081
3082 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3083
3084         PR target/39897
3085         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3086         HImode operands.
3087
3088 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3089
3090         PR c/39564
3091         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3092         with variably modified return type and no storage class
3093         specifiers, except for the case of nested functions.  Distinguish
3094         extern declarations of functions with variably modified return
3095         types from those of objects with variably modified types.
3096
3097 2009-04-25  Jan Hubicka  <jh@suse.cz>
3098
3099         * tree.c (list_equal_p): New function.
3100         * tree.h (list_equal_p): Declare.
3101         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3102         basic_block_def, basic_block, const_basic_block): New.
3103         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3104         (redirect_eh_edge): New function.
3105         (make_eh_edge_update_phi): EH edges are not abnormal.
3106         * except.c: Include tree-flow.h.
3107         (list_match): New function.
3108         (eh_region_replaceable_by_p): New function.
3109         (replace_region): New function.
3110         (hash_type_list): New function.
3111         (hash_eh_region): New function.
3112         (eh_regions_equal_p): New function.
3113         (merge_peers): New function.
3114         (remove_unreachable_regions): Verify EH tree when checking;
3115         merge peers.
3116         (copy_eh_region_1): New function.
3117         (copy_eh_region): New function.
3118         (push_reachable_handler): New function.
3119         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3120         regions without label but with live RESX.
3121         * except.h (redirect_eh_edge_to_label): New.
3122         * tree-flow.h (redirect_eh_edge): New.
3123         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3124         basic_block_def, basic_block, const_basic_block): Remove.
3125         * Makefile.in (except.o): Add dependency on tree-flow.h
3126         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3127         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3128         Remove.
3129
3130 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3131
3132         PR bootstrap/39645
3133         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3134         on the destination of memcpy.
3135
3136 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3137
3138         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3139         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3140         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3141
3142 2009-04-25  Jan Hubicka  <jh@suse.cz>
3143
3144         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3145         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3146         to be reached by different label than left.
3147         (update_eh_edges): Update comment; remove edge_to_remove if possible
3148         and return true if suceeded.
3149         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3150         (cleanup_eh): Compute sharing map.
3151         * except.c (remove_eh_handler_and_replace): Add argument if we should
3152         update regions.
3153         (remove_unreachable_regions): Update for label sharing.
3154         (label_to_region_map): Likewise.
3155         (get_next_region_sharing_label): New function.
3156         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3157         prev_try pointers.
3158         (remove_eh_handler): Update.
3159         (remove_eh_region_and_replace_by_outer_of): New function.
3160         * except.h (struct eh_region): Add next_region_sharing_label.
3161         (remove_eh_region_and_replace_by_outer_of,
3162         get_next_region_sharing_label): Declare.
3163         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3164
3165 2009-04-25  Jan Hubicka  <jh@suse.cz>
3166
3167         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3168         insert code even if they are not critical.
3169
3170 2009-04-25  Jan Hubicka  <jh@suse.cz>
3171
3172         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3173         (gimple_can_remove_branch_p): EH edges won't remove branch by
3174         redirection.
3175         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3176         updating of non-abnormal EH edges.
3177         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3178         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3179         (split_critical_edges): Split also edges where emitting code on them
3180         will lead to splitting later.
3181
3182 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3183             H.J. Lu  <hongjiu.lu@intel.com>
3184
3185         PR target/39590
3186         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3187         the configured assembler supports fildq and fistpq mnemonics.
3188         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3189         * configure: Regenerated.
3190         * config.in: Ditto.
3191
3192         * config/i386/i386.c (print_operand): Handle 'Z'.
3193         ['z']: Remove handling of special fild/fist suffixes.
3194         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3195         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3196         suffix of fild insn.
3197         (*floatsi<mode>2_vector_mixed): Ditto.
3198         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3199         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3200         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3201         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3202         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3203
3204 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3205  
3206         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3207         the source of a set operation.
3208
3209 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3210
3211         * target.h (struct gcc_target): Add case_values_threshold field.
3212         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3213         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3214         * targhooks.c (default_case_values_threshold): New function.
3215         * targhooks.h (default_case_values_threshold): Declare function.
3216         * stmt.c (expand_case): Use case_values_threshold target hook.
3217         * expr.h (case_values_threshold): Remove declartation.
3218         * expr.c (case_values_threshold): Remove function.
3219         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3220
3221         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3222         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3223         (avr_case_values_threshold): Declare as static.
3224         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3225
3226         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3227         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3228         (mn10300_case_values_threshold): New function.
3229
3230 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3231
3232         * ira.c (setup_cover_and_important_classes): Add enum cast.
3233
3234 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3235
3236         * genpreds.c (write_enum_constraint_num): Output definition of
3237         CONSTRAINT_NUM_DEFINED_P macro.
3238         * ira.c (setup_cover_and_important_classes): Use
3239         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3240         
3241 2009-04-24  DJ Delorie  <dj@redhat.com>
3242
3243         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3244         __SH2A_SINGLE_ONLY__ also.
3245
3246 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3247
3248         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3249         (movdf_internal): Ditto.
3250         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3251         SFmode and DFmode constants.
3252         (ia64_print_operand): Add 'G' format for printing
3253         floating point constants.
3254
3255 2009-04-24  Richard Guenther  <rguenther@suse.de>
3256
3257         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3258         from unsigned additions.
3259
3260 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3261
3262         * c-typeck.c (set_init_index): Allow array designators that are
3263         not integer constant expressions with a pedwarn if pedantic.
3264
3265 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3266
3267         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3268         zero if no overlap in nonzero bits between the operands.
3269
3270 2009-04-24  Ian Lance Taylor  <iant@google.com>
3271
3272         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3273         (record_dead_and_set_regs): Likewise.
3274         * df.h (struct df_mw_hardreg): Change flags field to int.
3275         (struct df_base_ref): Likewise.
3276         (struct df): Change changeable_flags field to int.
3277         * df-scan.c (df_defs_record): Change clobber_flags to int.
3278         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3279         constants rather than #define macros.
3280         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3281         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3282         (enum dwarf_calling_convention): Likewise.
3283         (enum dwarf_line_number_x_ops): Likewise.
3284         (enum dwarf_call_frame_info): Likewise.
3285         (enum dwarf_source_language): Likewise.
3286         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3287         (add_calling_convention_attribute): Likewise.
3288         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3289         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3290         * genrecog.c (maybe_both_true_2): Change c to int.
3291         (write_switch): Likewise.  Add cast to enum type.
3292         * gimplify.c (gimplify_omp_for): Handle return values from
3293         gimplify_expr using MIN rather than bitwise or.
3294         (gimplify_expr): Add cast to enum type.
3295         * ipa-prop.c (update_jump_functions_after_inlining): Change
3296         IPA_BOTTOM to IPA_JF_UNKNOWN.
3297         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3298         Add casts to enum type.
3299         (setup_cover_and_important_classes): Change cl to int.  Add casts
3300         to enum type.
3301         (setup_class_translate): Change cl and mode to int.
3302         (ira_init_once): Change mode to int.
3303         (free_register_move_costs): Likewise.
3304         (setup_prohibited_mode_move_regs): Add casts to enum type.
3305         * langhooks.c (add_builtin_function_common): Rework assertion that
3306         value fits bitfield.
3307         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3308         * omega.c (omega_do_elimination): Avoid math on enum types.
3309         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3310         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3311         int local to handle integral_argment value.
3312         * regmove.c (try_auto_increment): Change PUT_MODE to
3313         PUT_REG_NOTE_KIND.
3314         * reload.c (push_secondary_reload): Add casts to enum type.
3315         (secondary_reload_class, find_valid_class): Likewise.
3316         * reload1.c (emit_input_reload_insns): Likewise.
3317         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3318         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3319         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3320         constant.
3321         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3322         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3323         enum type.
3324         (expand_complex_libcall): Add casts to enum type.
3325         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3326         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3327         with ERROR_MARK, not NUM_TREE_CODES.
3328         (vect_create_epilog_for_reduction): Likewise.
3329         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3330         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3331         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3332         enum machine_mode.
3333         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3334         vect_unused_in_loop.  Change 0 to loop_vect.
3335         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3336         * var-tracking.c (get_init_value): Change return type to enum
3337         var_init_status.
3338         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3339         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3340         arm_fp_model.
3341         (arm_override_options): Add casts to enum type.
3342         (arm_emit_tls_decoration): Likewise.
3343         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3344         to enum type.
3345         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3346         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3347         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3348         enum type.
3349         * config/s390/s390.c (code_for_builtin_64): Change to array of
3350         enum insn_code.
3351         (code_for_builtin_31): Likewise.
3352         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3353         const *.
3354         * config/sparc/sparc.c (sparc_override_options): Change value
3355         field in struct code_model to enum cmodel.  In initializer change
3356         0 to NULL and add cast to enum type.
3357
3358         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3359         Change all callers.  Issue a -Wc++-compat warning using
3360         lhs_origtype if necessary.
3361         (convert_for_assignment): Issue -Wc++-compat warnings about
3362         invalid conversions to enum type on assignment.
3363         * c-common.h (build_modify_expr): Update declaration.
3364
3365 2009-04-24  Nick Clifton  <nickc@redhat.com>
3366
3367         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3368         (function_arg_advance): Likewise.
3369         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3370         5th alternative.
3371
3372 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3373
3374         * config/s390/constraints.md ('I', 'J'): Fix condition.
3375
3376 2009-04-24  Diego Novillo  <dnovillo@google.com>
3377
3378         * gengtype-parse.c (parse_error): Add newline after message.
3379
3380 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3381
3382         * config/i386/sse.md (avxmodesuffixs): Removed.
3383         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3384         (*avx_pinsr<ssevecsize>): This.
3385
3386 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3387
3388         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3389         follow chains of regs with a single definition, and allow expressions
3390         that are function_invariant_p.
3391         (simple_rhs_p): Allow expressions that are function_invariant_p.
3392
3393 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3394
3395         PR middle-end/39867
3396         * fold-const.c (fold_cond_expr_with_comparison): When folding
3397         > and >= to MAX, make sure the MAX uses the same type as the
3398         comparison's operands.
3399
3400 2009-04-24  Nick Clifton  <nickc@redhat.com>
3401
3402         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3403         addressing for DImode accesses.
3404         (frv_print_operand_address): Handle PLUS case.
3405         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3406
3407 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3408
3409         PR rtl-optimization/39794
3410         * alias.c (canon_true_dependence): Add x_addr argument.
3411         * rtl.h (canon_true_dependence): Adjust prototype.
3412         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3413         * cselib.c (cselib_invalidate_mem): Likewise.
3414         * gcse.c (compute_transp): Likewise.
3415         * dse.c (scan_reads_nospill): Likewise.
3416         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3417         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3418         canon_base_addr of the group, plus optional offset.
3419         (struct group_info): Rename canon_base_mem to
3420         canon_base_addr.
3421         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3422         canon_rtx of base_mem.
3423
3424 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3425
3426         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3427         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3428
3429 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3430
3431         * config/spu/spu-builtins.h: Delete file.
3432
3433         * config/spu/spu.h (enum spu_builtin_type): Move here from
3434         spu-builtins.h.
3435         (struct spu_builtin_description): Likewise.  Add GTY marker.
3436         Do not use enum spu_function_code or enum insn_code.
3437         (spu_builtins): Add extern declaration.
3438
3439         * config/spu/spu.c: Do not include "spu-builtins.h".
3440         (enum spu_function_code, enum spu_builtin_type_index,
3441         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3442         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3443         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3444         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3445         (spu_builtin_types): Make static.  Add GTY marker.
3446         (spu_builtins): Add extern declaration with GTY marker.
3447         Include "gt-spu.h".
3448
3449         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3450         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3451         Check programmatically whether all parameters are scalar.
3452
3453         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3454
3455 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3456
3457         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3458         assignment from the constructor either if the target is volatile.
3459
3460 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3461
3462         * config/arm/arm.md (insv): Do not share operands[0].
3463
3464 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3465
3466         * config/vxlib-tls.c (active_tls_threads): Delete.
3467         (delete_hook_installed): New.
3468         (tls_delete_hook): Don't delete the delete hook.
3469         (tls_destructor): Delete it here.
3470         (__gthread_set_specific): Adjust installing the delete hook.
3471         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3472         __gthread_leave_tsd_dtor_context.
3473
3474 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3475
3476         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3477
3478 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3479
3480         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3481         enum type.
3482         (alpha_rtx_costs): Ditto.
3483         (emit_unlikely_jump): Use add_reg_note.
3484         (emit_frame_store_1): Ditto.
3485         (alpha_expand_prologue): Ditto.
3486         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3487         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3488
3489 2009-04-23  Nick Clifton  <nickc@redhat.com>
3490
3491         * config/v850/v850.md (epilogue): Remove suppressed code.
3492         (return): Rename to return_simple and remove test of frame size.
3493         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3494         to gen_return_simple.
3495
3496 2009-04-22  Jing Yu  <jingyu@google.com>
3497
3498         PR testsuite/39781
3499         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3500
3501 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3502
3503         PR C/31499
3504         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3505         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3506         value is a VECTOR_CST, the element type is the element type of the
3507         vector.
3508
3509 2009-04-22  DJ Delorie  <dj@redhat.com>
3510
3511         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3512
3513 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3514
3515         * alias.c (find_base_term): Move around LO_SUM case, so that
3516         CONST falls through into PLUS/MINUS handling.
3517
3518         PR c/39855
3519         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3520         into 0, use omit_one_operand.
3521
3522 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3523
3524         * config/rs6000/linux-unwind.h (get_regs): Remove type
3525         puns. Change the type of `pc' to an array of unsigned ints and
3526         update all users.  Constify frame24.
3527
3528 2009-04-22  DJ Delorie  <dj@redhat.com>
3529
3530         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3531         declarations before code.
3532         (current_function_special_page_vector): Likewise.
3533         (m32c_expand_insv): Silence a warning.
3534
3535 2009-04-21  Taras Glek  <tglek@mozilla.com>
3536
3537         * alias.c: Update GTY annotations to new syntax.
3538         * basic-block.h: Likewise.
3539         * bitmap.h: Likewise.
3540         * c-common.h: Likewise.
3541         * c-decl.c: Likewise.
3542         * c-parser.c: Likewise.
3543         * c-pragma.c: Likewise.
3544         * c-tree.h: Likewise.
3545         * cfgloop.h: Likewise.
3546         * cgraph.h: Likewise.
3547         * config/alpha/alpha.c: Likewise.
3548         * config/arm/arm.h: Likewise.
3549         * config/avr/avr.h: Likewise.
3550         * config/bfin/bfin.c: Likewise.
3551         * config/cris/cris.c: Likewise.
3552         * config/darwin.c: Likewise.
3553         * config/frv/frv.c: Likewise.
3554         * config/i386/i386.c: Likewise.
3555         * config/i386/i386.h: Likewise.
3556         * config/i386/winnt.c: Likewise.
3557         * config/ia64/ia64.h: Likewise.
3558         * config/iq2000/iq2000.c: Likewise.
3559         * config/mips/mips.c: Likewise.
3560         * config/mmix/mmix.h: Likewise.
3561         * config/pa/pa.c: Likewise.
3562         * config/pa/pa.h: Likewise.
3563         * config/rs6000/rs6000.c: Likewise.
3564         * config/s390/s390.c: Likewise.
3565         * config/sparc/sparc.c: Likewise.
3566         * config/xtensa/xtensa.c: Likewise.
3567         * cselib.h: Likewise.
3568         * dbxout.c: Likewise.
3569         * dwarf2out.c: Likewise.
3570         * except.c: Likewise.
3571         * except.h: Likewise.
3572         * fixed-value.h: Likewise.
3573         * function.c: Likewise.
3574         * function.h: Likewise.
3575         * gimple.h: Likewise.
3576         * integrate.c: Likewise.
3577         * optabs.c: Likewise.
3578         * output.h: Likewise.
3579         * real.h: Likewise.
3580         * rtl.h: Likewise.
3581         * stringpool.c: Likewise.
3582         * tree-data-ref.c: Likewise.
3583         * tree-flow.h: Likewise.
3584         * tree-scalar-evolution.c: Likewise.
3585         * tree-ssa-address.c: Likewise.
3586         * tree-ssa-alias.h: Likewise.
3587         * tree-ssa-operands.h: Likewise.
3588         * tree.c: Likewise.
3589         * tree.h: Likewise.
3590         * varasm.c: Likewise.
3591         * varray.h: Likewise.
3592         * vec.h: Likewise.
3593         * coretypes.h: Do not define GTY macro if it is already defined.
3594         * doc/gty.texi: Update GTY documentation to new syntax.
3595         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3596         annotations on structs.
3597         * gengtype-parse.c: Likewise.
3598
3599 2009-04-22  Mark Heffernan  <meheff@google.com>
3600
3601         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3602
3603 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3604
3605         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3606         where appropriate.
3607
3608 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3609
3610         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3611         the same as a PLUS without a shift.  Increase the cost of a
3612         CONST_INT in MULT.
3613
3614 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3615
3616         * Makefile.in: Update dependencies.
3617         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3618         * errors.h: Remove bogus comment about compatibility.
3619         (warning): Update declaration.
3620         * genautomata.c: Update all calls to warning.
3621         * gimple.c: Do not include errors.h. Include toplev.h.
3622         * tree-ssa-structalias.c: Do not include errors.h.
3623         * omega.c: Likewise.
3624         * tree-ssa-reassoc.c: Likewise.
3625         * config/spu/spu-c.c: Likewise.
3626         * config/spu/t-spu-elf: Update dependencies.
3627
3628 2009-04-22  Richard Guenther  <rguenther@suse.de>
3629
3630         PR tree-optimization/39824
3631         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3632         make sure the types are compatible.
3633
3634 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3635
3636         PR c++/14875
3637         * c-common.c (c_parse_error): Take a token_flags parameter.
3638         Use token_type for the token type instead.
3639         Pass token_flags to cpp_type2name.
3640         * c-common.h (c_parse_error): Update declaration.
3641         * c-parser.c (c_parser_error): Pass 0 as token flags.
3642
3643 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3644
3645         PR rtl-optimization/39580
3646         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3647         
3648 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3649
3650         * function.c (expand_function_end): Do not emit a jump to the "naked"
3651         return label for fall-through returns.
3652         * except.c (sjlj_emit_function_exit): Always place the call to the
3653         unregister function at the location installed by expand_function_end.
3654
3655 2009-04-22  Richard Guenther  <rguenther@suse.de>
3656
3657         PR tree-optimization/39845
3658         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3659         (gen_inbound_check): Likewise.
3660
3661 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3662
3663         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3664         padding for PPC.
3665         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3666         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3667
3668 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3669
3670         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3671         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3672         shift counts to avoid out-of-bounds array accesses.
3673
3674 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3675
3676         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3677         (Pmode): Move above.
3678
3679 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3680
3681         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3682         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3683         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3684         * config/alpha/alpha.h: Ditto.
3685         * config/alpha/alpha.md: Ditto.
3686         * config/alpha/constraints.md: Ditto.
3687         * config/alpha/predicates.md: Ditto.
3688         
3689 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3690
3691         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3692         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3693         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3694         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3695         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3696         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3697         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3698         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3699         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3700         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3701         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3702         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3703         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3704         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3705         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3706         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3707         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3708         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3709         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3710         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3711         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3712         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3713         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3714         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3715         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3716         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3717         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3718
3719 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3720
3721         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3722         references from comments.
3723         * cfgbuild.c: (count_basic_blocks): Delete.
3724         (find_basic_blocks_1): Delete.
3725         (find_basic_blocks): Delete.
3726         * except.c (finish_eh_generation): Make static.  Move comment from
3727         except.h here.  Remove find_basic_blocks references from comments.
3728         * except.h (finish_eh_generation): Delete.
3729         * basic-block.h (find_basic_blocks): Delete.
3730         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3731
3732 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3733
3734         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3735         (sdbout_parms):  Likewise.
3736
3737 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3738
3739         * config/sh/sh.c (prepare_cbranch_operands): Use
3740         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3741         (expand_cbranchdi4): Likewise.
3742         (from_compare): Add cast to enum type.
3743         (expand_cbranchsi4): Use add_reg_note.
3744         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3745         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3746         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3747         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3748         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3749         instead of CODE_FOR_nothing.
3750         (cbranchdi4): Likewise.  Fix the order of arguments for
3751         gen_rtx_fmt_ee.
3752         (push_fpscr): Use add_reg_note.
3753         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3754         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3755         
3756 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3757
3758         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3759         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3760         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3761         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3762         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3763         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3764         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3765         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3766         config/alpha/x-vms, config/arc/t-arc,
3767         config/arm/README-interworking, config/arm/arm-c.c,
3768         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3769         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3770         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3771         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3772         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3773         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3774         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3775         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3776         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3777         config/cris/t-elfmulti, config/crx/t-crx,
3778         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3779         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3780         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3781         config/h8300/t-h8300, config/i386/athlon.md,
3782         config/i386/darwin-libgcc.10.4.ver,
3783         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3784         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3785         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3786         config/i386/t-linux64, config/i386/t-nwld,
3787         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3788         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3789         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3790         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3791         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3792         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3793         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3794         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3795         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3796         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3797         config/m68k/t-uclinux, config/mcore/t-mcore,
3798         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3799         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3800         config/mips/crtn.asm, config/mips/irix-crti.asm,
3801         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3802         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3803         config/mips/mips-fixed.md, config/mips/sb1.md,
3804         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3805         config/mips/t-iris6, config/mips/t-isa3264,
3806         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3807         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3808         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3809         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3810         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3811         config/mn10300/t-linux, config/mn10300/t-mn10300,
3812         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3813         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3814         config/picochip/libgccExtras/clzsi2.asm,
3815         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3816         config/rs6000/darwin-libgcc.10.4.ver,
3817         config/rs6000/darwin-libgcc.10.5.ver,
3818         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3819         config/rs6000/t-aix43, config/rs6000/t-aix52,
3820         config/rs6000/t-darwin, config/rs6000/t-fprules,
3821         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3822         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3823         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3824         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3825         config/rs6000/t-rtems, config/rs6000/t-spe,
3826         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3827         config/score/t-score-elf, config/sh/divcost-analysis,
3828         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3829         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3830         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3831         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3832         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3833         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3834         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3835         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3836         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3837         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3838         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3839         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3840         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3841         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3842         * config/h8300/genmova.sh: Include copyright and license notices
3843         in generated output.
3844         * config/h8300/mova.md: Regenerate.
3845         * doc/install.texi2html: Include word "Copyright" in copyright
3846         notice and use name "Free Software Foundation, Inc.".
3847         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3848         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3849         ChangeLog-2007, ChangeLog-2008: Correct dates.
3850
3851 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3852
3853         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3854         NE_EXPR operations as well.
3855         * c-parser.c (c_parser_condition): Do not set location information on
3856         the condition.
3857         (c_parser_conditional_expression): Likewise.
3858         (c_parser_binary_expression): Set location information on operators.
3859         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3860         TRUTH_NOT_EXPR has been folded.
3861         * fold-const.c (fold_truth_not_expr): Copy location information from
3862         the incoming expression to the outgoing one.
3863         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3864         recursive calls on the LHS of the operator but pass that of the
3865         operator to recursive calls on the RHS of the operator.  Set it
3866         on the COND_EXPR.
3867         (shortcut_cond_expr): Set the locus of the operator on the second
3868         COND_EXPR and that of the expression on the first in degenerate cases.
3869         Pass the locus of the expression to calls to shortcut_cond_r.
3870         Set the locus of the 'then' block on the associated jump, if any.
3871         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3872         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3873         expression to call to gimplify_boolean_expr.
3874
3875 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3876
3877         * config.gcc: Add additional configuration for
3878         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3879         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3880         (CPP_SPEC): Redefine for allowing -municode option.
3881         (STARTFILE_SPEC): Likewise.
3882         * config/i386/t-mingw-w64: New.
3883         * config/i386/mingw-w64.opt: New.
3884         (municode): Add new target option.
3885         * doc/invoke.texi (municode): Add documentation for new option.
3886
3887 2009-04-21  Ian Lance Taylor  <iant@google.com>
3888
3889         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3890         Correct test for number of arguments.
3891         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3892
3893 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3894
3895         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3896         argument of emit_library_call.
3897
3898 2009-04-21  Richard Guenther  <rguenther@suse.de>
3899
3900         PR middle-end/39829
3901         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3902         inside VIEW_CONVERT_EXPRs.
3903
3904 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3905
3906         * tree-switch-conversion.c (build_constructors): Split a long line.
3907         (constructor_contains_same_values_p): New function.
3908         (build_one_array): Create assigns of constants if possible, do not
3909         call mark_sym_for_renaming, call update_stmt.
3910         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3911         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3912         update_stmt.
3913         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3914         find_new_referenced_vars, call update_stmt.
3915         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3916         instead of calling make_rename_temp.  Do not call
3917         find_new_referenced_vars or mark_symbols_for_renaming, call
3918         update_stmt.
3919
3920 2009-04-21  Richard Guenther  <rguenther@suse.de>
3921
3922         PR tree-optimization/39827
3923         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3924         (tree_ssa_phiprop): Pass the correct array size.
3925
3926 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3927
3928         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3929
3930 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3931
3932         PR 16202
3933         * c-typeck.c (lvalue_p): Move declaration ...
3934         * c-common.h (lvalue_p): ... to here.
3935         * c-common.c (candidate_equal_p): New.
3936         (add_tlist): Use it.
3937         (merge_tlist): Use it.
3938         (warn_for_collisions_1): Likewise.
3939         (warning_candidate_p): Accept more candidates.
3940         (verify_tree): A warning candidate can be an expression. Use
3941         candidate_equal_p.
3942
3943 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3944
3945         PR target/5267
3946         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3947         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3948         options.  Remove -mcall-solaris documentation.
3949
3950 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3951
3952         PR c++/13358
3953         * doc/invoke.texi (-Wlong-long): Update description.
3954         * c-lex (interpret_integer): Only warn if there was no previous
3955         overflow and -Wlong-long is enabled.
3956         * c-decl.c (declspecs_add_type): Drop redundant flags.
3957         * c.opt (Wlong-long): Init to -1.
3958         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3959         and front-end warn_long_long. Wlong-long only depends on other
3960         flags if it is uninitialized.
3961         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3962         the same for CPP and FE.
3963         (restore_extension_diagnostics): Likewise.
3964
3965 2009-04-20  Ian Lance Taylor  <iant@google.com>
3966
3967         Fix enum conversions which are invalid in C++:
3968         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3969         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3970         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3971         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3972         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3973         (dbxout_parms): Likewise.
3974         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3975         (df_clear_flags): Likewise.
3976         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3977         top_flag parameter to int.
3978         (df_chain_create_bb_process_use): Likewise.
3979         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3980         Remove cast.
3981         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3982         (df_ref_create_structure, df_def_record_1): Likewise.
3983         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3984         (df_notes_rescan): Change 0 to VOIDmode in function call.
3985         (df_get_call_refs, df_insn_refs_collect): Likewise.
3986         (df_bb_regs_collect): Likewise.
3987         (df_entry_block_defs_collect): Likewise.
3988         (df_exit_block_uses_collect): Likewise.
3989         * df.h: Update declarations.
3990         * double-int.c (double_int_divmod): Add cast to enum type.
3991         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3992         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3993         (based_loc_descr): Likewise.
3994         (loc_descriptor_from_tree_1): Change first_op and second_op to
3995         enum dwarf_location_atom.  Add cast to enum type.
3996         * expmed.c (init_expmed): Change 0 to SET in function call.
3997         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3998         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3999         (do_store_flag): Likewise.
4000         * fixed-value.h (struct fixed_value): Change mode to enum
4001         machine_mode.
4002         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4003         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4004         function call.
4005         (insert_insn_decl, insert_decl, insert_state): Likewise.
4006         (automata_list_finish): Likewise.
4007         * genrecog.c (process_define_predicate): Add cast to enum type.
4008         * gensupport.c (init_predicate_table): Add cast to enum type.
4009         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4010         function call.
4011         (gimple_build_call_1, gimple_build_label): Likewise.
4012         (gimple_build_goto, gimple_build_asm_1): Likewise.
4013         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4014         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4015         (enum fallback): Rename from enum fallback_t.
4016         (fallback_t): Typedef as int.
4017         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4018         GSI_SAME_STMT in function call.
4019         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4020         enum type.
4021         (setup_reg_class_relations): Likewise.
4022         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4023         (setup_prohibited_class_mode_regs): Add cast to enum type.
4024         (setup_prohibited_mode_move_regs): Likewise.
4025         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4026         (record_address_regs): Change i to enum reg_class.
4027         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4028         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4029         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4030         (GET_MODE_2XWIDER_MODE): Likewise.
4031         (GET_CLASS_NARROWEST_MODE): Likewise.
4032         * omp-low.c (expand_omp_for): Add cast to enum type.
4033         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4034         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4035         * postreload.c (reload_cse_simplify_operands): Change rclass local
4036         to enum reg_class.
4037         * predict.c (combine_predictions_for_insn): Change best_predictor
4038         and predictor to enum br_predictor.
4039         (combine_predictions_for_bb): Likewise.
4040         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4041         use SET_PREDICT_EXPR_OUTCOME.
4042         * real.c (real_arithmetic): Change icode to code in function call.
4043         * reginfo.c (init_move_cost): Add casts to enum type.
4044         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4045         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4046         enum reg_class.
4047         * reload.c (find_valid_class): Add casts to enum type.
4048         (push_reload): Change 0 to NO_REGS in function call.
4049         (find_reloads): Change this_alternative to array of enum
4050         reg_class.  Remove some now-unnecessary casts.
4051         (make_memloc): Change 0 to VOIDmode in function call.
4052         * reload1.c (reload): Change 0 to VOIDmode in function call.
4053         (eliminate_regs_1, elimination_effects): Likewise.
4054         (eliminate_regs_in_insn): Likewise.
4055         (emit_input_reload_insns): Add cast to enum type.
4056         (delete_output_reload): Change 0 to VOIDmode in function call.
4057         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4058         to enum type in function call.
4059         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4060         (SET_PREDICT_EXPR_OUTCOME): Define.
4061         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4062         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4063         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4064         (dump_function): Likewise.
4065         * tree-dump.h: Update declarations.
4066         * tree-pass.h: Update declarations.
4067         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4068         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4069         enum type.
4070         (arm_rtx_costs_1): Correct parenthesization.
4071         (arm_rtx_costs): Add casts to enum type.
4072         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4073         (vfp_emit_fstmd): Use add_rg_note.
4074         (emit_multi_reg_push, emit_sfm): Likewise.
4075         (thumb_set_frame_pointer): Likewise.
4076         (arm_expand_prologue): Likewise.
4077         (arm_regno_class): Change return type to enum reg_class.
4078         (thumb1_expand_prologue): Use add_reg_note.
4079         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4080         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4081         in function call.
4082         * config/arm/gentune.sh: Add cast to enum type.
4083         * config/arm/arm-tune.md: Rebuild.
4084         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4085         (ix86_split_fp_branch, predict_jump): Likewise.
4086         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4087         insn_code to enum rtx_code.
4088         (ix86_builtin_vectorized_function): Add cast to enum type.
4089         * config/i386/i386.md (truncdfsf2): Change slot to enum
4090         ix86_stack_slot.
4091         (truncxf<mode>2, isinf<mode>2): Likewise.
4092         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4093         enum type.
4094         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4095         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4096         (insert_bundle_state): Change 1 to INSERT in function call.
4097         (ia64_add_bundle_selector_before): Likewise.
4098         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4099         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4100         (restore_stack_nonlocal): Likewise.
4101         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4102         function call.
4103         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4104         function call.
4105         (mips_rtx_costs): Likewise.
4106         (mips_override_options): Add casts to enum type.
4107         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4108         in function call.
4109         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4110         (store_reg, set_reg_plus_d): Likewise.
4111         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4112         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4113         cast to enum type.
4114         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4115         function call.
4116         (emit_unlikely_jump): Use add_reg_note.
4117         (rs6000_emit_allocate_stack): Likewise.
4118         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4119         (output_toc): Change 1 to INSERT in function call.
4120         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4121         (rs6000_initialize_trampoline): Likewise.
4122         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4123         function call.
4124         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4125         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4126         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4127         (save_gprs): Use add_reg_note.
4128         (s390_emit_prologue): Likewise.
4129         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4130         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4131         (sparc_fold_builtin): Add cast to enum type.
4132         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4133         enum insn_code.
4134         (spu_expand_prologue): Use add_reg_note.
4135         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4136
4137 2009-04-20  Ian Lance Taylor  <iant@google.com>
4138
4139         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4140         (c_parser_postfix_expression_after_primary): Get VEC for list of
4141         arguments.  Get original types of arguments.  Call
4142         build_function_call_vec.
4143         (cached_expr_list_1, cached_expr_list_2): New static variables.
4144         (c_parser_expr_list): Change return type to VEC *.  Add
4145         p_orig_types parameter.  Change all callers.
4146         (c_parser_release_expr): New static function.
4147         (c_parser_vec_to_tree_list): New static function.
4148         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4149         call build_function_call_vec.
4150         (build_function_call_vec): New function, based on old
4151         build_function_call.
4152         (convert_arguments): Remove nargs and argarray parameters.  Change
4153         values to a VEC.  Add origtypes parameter.
4154         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4155         (convert_for_assignment): Add origtype parameter.  Change all
4156         callers.  If warn_cxx_compat, check for conversion to an enum
4157         type when calling a function.
4158         (store_init_value): Add origtype parameter.  Change all callers.
4159         (digest_init): Likewise.
4160         (struct init_node): Add origtype field.
4161         (add_pending_init): Add origtype parameter.  Change all callers.
4162         (output_init_element): Likewise.
4163         (output_pending_init_elements): Pass origtype from init_node to
4164         output_init_element.
4165         (process_init_element): Pass origtype from c_expr to
4166         output_init_element.
4167         (c_finish_return): Add origtype parameter.  Change all callers.
4168         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4169         caller.
4170         (sync_resolve_params): Likewise.
4171         (sync_resolve_return): Change params to first_param.  Change caller.
4172         (resolve_overloaded_builtins): Change params to VEC *.  Change
4173         callers.  Save first parameter around call to build_function_call_vec.
4174         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4175         callers.  Call build_function_call_vec rather than
4176         build_function_call for cleanup.
4177         * c-tree.h: Update declarations.
4178         * c-common.h: Update declarations.
4179         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4180         params to first_param.
4181         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4182         params parameter from tree to void *.
4183         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4184         Change arglist parameter to have type void *, and to be a pointer
4185         to a VEC.
4186         * config/rs6000/rs6000-protos.h
4187         (altivec_resolve_overloaded_builtin): Update declaration.
4188         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4189         fnargs parameter to have type void *, and to be a pointer to a
4190         VEC.  Call build_function_call_vec instead of
4191         build_function_call.
4192         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4193
4194 2009-04-20  Joey Ye  <joey.ye@intel.com>
4195             Xuepeng Guo  <xuepeng.guo@intel.com>
4196             H.J. Lu  <hongjiu.lu@intel.com>
4197
4198         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4199
4200         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4201         (IX86_LEA_PRIORITY): Likewise.
4202         (distance_non_agu_define): New function.
4203         (distance_agu_use): Likewise.
4204         (ix86_lea_for_add_ok): Likewise.
4205         (ix86_dep_by_shift_count): Likewise.
4206
4207         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4208         should split for LEA.
4209
4210         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4211         function.
4212         (ix86_dep_by_shift_count): Likewise.
4213
4214 2009-04-20  Richard Guenther  <rguenther@suse.de>
4215
4216         * expr.c (handled_component_p): Move ...
4217         * tree.h (handled_component_p): ... here.
4218         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4219         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4220         and REALPART_EXPR to be in one group.
4221
4222 2009-04-20  Richard Guenther  <rguenther@suse.de>
4223
4224         * basic-block.h (get_all_dominated_blocks): Declare.
4225         * dominance.c (get_all_dominated_blocks): New function.
4226         * tree-cfg.c (get_all_dominated_blocks): Remove.
4227         (remove_edge_and_dominated_blocks): Adjust.
4228         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4229         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4230         instead of recursing.
4231
4232 2009-04-20  Doug Kwan  <dougkwan@google.com>
4233
4234         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4235         (struct cgraph_node_set_def): New type.
4236         (cgraph_node_set) New type. Also declare vector functions.
4237         (struct cgraph_node_set_element_def): New type.
4238         (cgraph_node_set_element): Ditto.
4239         (cgraph_node_set_iterator): New iterator type.
4240         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4241         cgraph_node_set_remove, dump_cgraph_node_set,
4242         debug_cgraph_node_set): New prototypes.
4243         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4244         cgraph_node_set_size): New inlines.
4245         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4246         including cgraph.h.
4247         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4248         argument to function 'write_summary'.
4249         * ipa.c: Include ggc.h.
4250         (hash_cgraph_node_set_element,
4251         eq_cgraph_node_set_element, cgraph_node_set_new,
4252         cgraph_node_set_add, cgraph_node_set_remove,
4253         cgraph_node_set_find, dump_cgraph_node_set,
4254         debug_cgraph_node_set): New functions.
4255         * Makefile.in (ipa.o): Add dependency on GGC_H.
4256
4257 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4258
4259         PR tree-optimization/39675
4260         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4261         check of the return code of vect_schedule_slp. Check that
4262         stmt_vec_info still exists for the statement, before checking its
4263         vectorization type.
4264
4265 2009-04-20  Michael Matz  <matz@suse.de>
4266
4267         * Makefile.in (generated_files): Take out $(simple_generated_c).
4268
4269 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4270
4271         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4272         (UINTPTR_TYPE):  Likewise.
4273
4274 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4275
4276         PR c/37481
4277         * c-typeck.c (digest_init): Check for initializing an array with a
4278         string literal.
4279
4280 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4281
4282         PR c/19771
4283         * c-semantics.c (pop_stmt_list): Propagate
4284         STATEMENT_LIST_HAS_LABEL to parent statement list.
4285
4286 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4287
4288         * config/mips/mips.h (mips_tune_attr): New macro.
4289         * config/mips/mips.md (cpu): Use it.
4290
4291 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4292
4293         PR c/38243
4294         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4295         declaring a tag.
4296
4297 2009-04-19  Diego Novillo  <dnovillo@google.com>
4298
4299         * toplev.c (compile_file): Move call to coverage_finish ...
4300         * cgraphunit.c (ipa_passes): ... here.
4301         Call cgraph_process_new_functions.
4302         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4303         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4304
4305 2009-04-19  Jan Hubicka  <jh@suse.cz>
4306
4307         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4308         cfun.
4309         (dump_cgraph_node): Dump can throw external flag.
4310         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4311
4312 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4313
4314         PR c/32061
4315         PR c++/36954
4316         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4317         * common.opt (Wlogical-op): Move from here...
4318         * c.opt (Wlogical-op): ... to here.
4319         * c-typeck.c (parser_build_binary_op): Update call to
4320         warn_logical_operator.
4321         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4322         extra_warnings.
4323         * c-common.c (warn_logical_op): Update.
4324         * c-common.h (warn_logical_op): Update declaration.
4325
4326 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4327
4328         * tree.c (protected_set_expr_location): Fix formatting.
4329
4330 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4331
4332         PR c/27676
4333         * c-typeck.c (readonly_warning): new.
4334         (build_unary_op, build_modify_expr): Use readonly_warning for
4335         storing into something readonly but not const-qualified.
4336
4337 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4338
4339         PR c/22367
4340         * c-typeck.c (build_unary_op): Check for taking address of
4341         expression of type void.
4342
4343 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4344
4345         PR c/35210
4346         * c-typeck.c (build_function_call): Check for calling a function
4347         with qualified void return types.  Call require_complete_type when
4348         generating a trap.
4349
4350 2009-04-18  Jan Hubicka  <jh@suse.cz>
4351
4352         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4353         Set nothrow flag.
4354         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4355         can_throw_external flag.
4356         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4357         * ipa-pure-const.c (ignore_edge): New function.
4358         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4359         only over can_throw_external edges.
4360         (local_pure_const): Add nothrow flag.
4361         * ipa-utils.c (searchc): Add ignore_edge callback.
4362         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4363         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4364         (set_nothrow_function_flags): Update cgraph.
4365         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4366
4367 2009-04-18  Richard Guenther  <rguenther@suse.de>
4368
4369         PR middle-end/39804
4370         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4371         (fold_stmt): ... this and ...
4372         (fold_stmt_inplace): ... this.
4373         (fold_stmt_1): Fold references in calls and asms.
4374         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4375
4376 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4377
4378         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4379         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4380
4381 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4382
4383         * tree.c (function_args_count): Remove.
4384         * tree.h: Remove the prototype for function_args_count.
4385
4386 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4387
4388         * tree-iterator.c (expr_only): Remove.
4389         * tree.h: Remove the prototype for expr_only.
4390
4391 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4392
4393         * reginfo.c (cannot_change_mode_set_regs): Remove.
4394         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4395
4396 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4397
4398         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4399         whether operands 0 and 1 overlaps.
4400
4401 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4402
4403         PR middle-end/36902
4404         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4405         pointer. Use warning_at instead of warning.
4406         (search_for_addr_array): Likewise.
4407         (check_array_bounds): Likewise.
4408         (check_all_array_refs): Check that the incoming edge is not in the
4409         list of edges to be removed.
4410         (check_all_array_refs): Avoid the temporal pointer.
4411         (vrp_visit_cond_stmt): Fix typo.
4412         (simplify_switch_using_ranges): Handle the case where the switch
4413         index is an integer constant.
4414
4415 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4416
4417         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4418
4419 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4420
4421         * doc/extend.texi, doc/invoke.texi: Fix typos.
4422
4423 2009-04-17  Cary Coutant  <ccoutant@google.com>
4424
4425         * tree-flow-inline.h (get_lineno): Fix inverted test.
4426
4427 2009-04-17  Diego Novillo  <dnovillo@google.com>
4428
4429         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4430         assertion for AVAIL_OUT.
4431
4432 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4433
4434         PR target/38627
4435         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4436         * config/sh/linux-atomic.asm: Likewise.
4437
4438 2009-04-17  Diego Novillo  <dnovillo@google.com>
4439
4440         * except.c (debug_eh_tree): New.
4441         (struct eh_region, struct eh_status): Move ...
4442         * except.h: ... here.
4443         (add_type_for_runtime): Declare extern.
4444         (lookup_type_for_runtime): Likewise.
4445         (debug_eh_tree): Declare.
4446         * Makefile.in (GTFILES): List except.h before except.c
4447
4448 2009-04-17  Diego Novillo  <dnovillo@google.com>
4449
4450         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4451         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4452         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4453         (find_vars_r): ... here.
4454         * tree-flow.h (find_referenced_vars_in): Declare.
4455         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4456         that AVAIL_OUT exists for BLOCK.
4457         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4458         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4459         (tree-parloops.o): Likewise.
4460
4461 2009-04-17  Simon Baldwin  <simonb@google.com>
4462
4463         * toplev.c (default_tree_printer): Add handling for %E format.
4464
4465 2009-04-17  Diego Novillo  <dnovillo@google.com>
4466
4467         * tree-pretty-print.c (dump_generic_node): Add break after
4468         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4469         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4470         FUNCTION_TYPE together.  Call print_struct_decl when printing
4471         structures and TDF_SLIM is not given.
4472         (print_struct_decl): Fix logic for detecting recursion.
4473
4474 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4475
4476         PR 31567
4477         * gcc.c (create_at_file): New.
4478         (compile_input_file_p): New.
4479         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4480         * main.c (main): Update call to toplev_main.
4481         * toplev.c (toplev_main): Change signature. Call expandargv.
4482         * toplev.h (toplev_main): Change signature.
4483
4484 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4485
4486         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4487         if the latter is not constant.
4488
4489 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4490
4491         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4492
4493 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4494
4495         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4496         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4497
4498 2009-04-17  Richard Guenther  <rguenther@suse.de>
4499
4500         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4501         Handle component references view-converting an invariant address.
4502
4503 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4504
4505         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4506         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4507         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4508         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4509         Use @deftypevr rather than @deftypevar.
4510
4511 2009-04-17  Richard Guenther  <rguenther@suse.de>
4512
4513         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4514         (get_prop_source_stmt): Likewise.
4515         (can_propagate_from): Likewise.
4516
4517 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4518
4519         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4520         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4521         (--with-multilib-list): Add default value.
4522         * configure: Regenerate.
4523         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4524         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4525         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4526         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4527         Don't add default cpu to multilib list unnecessarily, but do enable
4528         the relevant compiler option..
4529         Add support for --with-multilib-list=<blank> and
4530         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4531         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4532         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4533         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4534         TM_MULTILIB_CONFIG.
4535         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4536         (MULTILIB_OSDIRNAMES): New variable.
4537         * config/sh/t-1e: Delete file.
4538         * config/sh/t-mlib-sh1: Delete file.
4539         * config/sh/t-mlib-sh2: Delete file.
4540         * config/sh/t-mlib-sh2a: Delete file.
4541         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4542         * config/sh/t-mlib-sh2a-single: Delete file.
4543         * config/sh/t-mlib-sh2a-single-only: Delete file.
4544         * config/sh/t-mlib-sh2e: Delete file.
4545         * config/sh/t-mlib-sh3e: Delete file.
4546         * config/sh/t-mlib-sh4: Delete file.
4547         * config/sh/t-mlib-sh4-nofpu: Delete file.
4548         * config/sh/t-mlib-sh4-single: Delete file.
4549         * config/sh/t-mlib-sh4-single-only: Delete file.
4550         * config/sh/t-mlib-sh4a: Delete file.
4551         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4552         * config/sh/t-mlib-sh4a-single: Delete file.
4553         * config/sh/t-mlib-sh4a-single-only: Delete file.
4554         * config/sh/t-mlib-sh4al: Delete file.
4555         * config/sh/t-mlib-sh5-32media: Delete file.
4556         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4557         * config/sh/t-mlib-sh5-64media: Delete file.
4558         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4559         * config/sh/t-mlib-sh5-compact: Delete file.
4560         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4561         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4562         * doc/install.texi (Options specification): Add
4563         --with-multilib-list and --with-endian.
4564
4565 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4566
4567         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4568         REVISION_c.
4569         (OBJS-common): Add plugin-version.o.
4570         (plugin-version.o): New.
4571         * gcc-plugin.h (plugin_gcc_version): New.
4572         (plugin_default_version_check): New.
4573         (plugin_init_func, plugin_init): Add version argument.
4574         * plugin-version.c: New.
4575         * plugin.c (str_plugin_gcc_version_name): New.
4576         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4577         pass it to the init function.
4578         (plugin_default_version_check): New.
4579
4580 2009-04-17  Richard Guenther  <rguenther@suse.de>
4581
4582         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4583         for decl-vs-decl disambiguation.
4584
4585 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4586
4587         * config/s390/s390.h (s390_tune_attr): New macro definition.
4588         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4589
4590 2009-04-17  Richard Guenther  <rguenther@suse.de>
4591
4592         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4593         (fold_stmt_r): Likewise.
4594         (maybe_fold_reference): New function.
4595         (fold_gimple_assign): Handle cases fold_stmt_r did.
4596         (fold_stmt): Do not use fold_stmt_r.
4597         (fold_stmt_inplace): Likewise.
4598
4599 2009-04-17  Richard Guenther  <rguenther@suse.de>
4600
4601         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4602         (record_equivalences_from_stmt): Remove useless checks and
4603         simplifications.
4604         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4605         the type is already suitable.
4606
4607 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4608
4609         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4610
4611 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4612
4613         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4614         (CMPtype): Define as __gcc_CMPtype.
4615
4616 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4617
4618         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4619         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4620
4621 2009-04-17  Richard Guenther  <rguenther@suse.de>
4622
4623         PR tree-optimization/39746
4624         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4625         special-casing for builtins and static variable use/def.
4626         (call_may_clobber_ref_p_1): Likewise.
4627
4628 2009-04-16  Ian Lance Taylor  <iant@google.com>
4629
4630         * df.h: Include "timevar.h".
4631         (struct df_problem): Change tv_id field to timevar_id_t.
4632         * tree-pass.h: Include "timevar.h".
4633         (struct opt_pass): Change tv_id field to timevar_id_t.
4634         * timevar.h (timevar_id_t): Define TV_NONE.
4635         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4636         TV_NONE rather than tv_id != 0.
4637         (execute_one_pass): Likewise.
4638         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4639         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4640         dependencies to $(TREE_PASS_H).
4641         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4642         to TV_NONE.
4643         (pass_branch_target_load_optimize2): Likewise.
4644         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4645         (pass_outof_cfg_layout_mode): Likewise.
4646         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4647         (pass_rebuild_cgraph_edges): Likewise.
4648         (pass_remove_cgraph_callee_edges): Likewise.
4649         * df-core.c (pass_df_initialize_opt): Likewise.
4650         (pass_df_initialize_no_opt): Likewise.
4651         (pass_df_finish): Likewise.
4652         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4653         * except.c (pass_set_nothrow_function_flags): Likewise.
4654         (pass_convert_to_eh_region_ranges): Likewise.
4655         * final.c (pass_compute_alignments): Likewise.
4656         * function.c (pass_instantiate_virtual_regs): Likewise.
4657         (pass_init_function): Likewise.
4658         (pass_leaf_regs): Likewise.
4659         (pass_match_asm_constraints): Likewise.
4660         * gimple-low.c (pass_lower_cf): Likewise.
4661         (pass_mark_used_blocks): Likewise.
4662         * init-regs.c (pass_initialize_regs): Likewise.
4663         * integrate.c (pass_initial_value_sets): Likewise.
4664         * ira.c (pass_ira): Likewise.
4665         * jump.c (pass_cleanup_barriers): Likewise.
4666         * omp-low.c (pass_expand_omp): Likewise.
4667         (pass_lower_omp): Likewise.
4668         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4669         * recog.c (pass_split_all_insns): Likewise.
4670         (pass_split_after_reload): Likewise.
4671         (pass_split_before_regstack): Likewise.
4672         (pass_split_before_sched2): Likewise.
4673         (pass_split_for_shorten_branches): Likewise.
4674         * reginfo.c (pass_reginfo_init): Likewise.
4675         (pass_subregs_of_mode_init): Likewise.
4676         (pass_subregs_of_mode_finish): Likewise.
4677         * passes.c (pass_postreload): Likewise.
4678         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4679         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4680         (pass_warn_function_return): Likewise.
4681         (pass_warn_function_noreturn): Likewise.
4682         * tree-complex.c (pass_lower_complex): Likewise.
4683         (pass_lower_complex_O0): Likewise.
4684         * tree-if-conv.c (pass_if_conversion): Likewise.
4685         * tree-into-ssa.c (pass_build_ssa): Likewise.
4686         * tree-mudflap.c (pass_mudflap_1): Likewise.
4687         (pass_mudflap_2): Likewise.
4688         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4689         (pass_mudflap_2): Likewise.
4690         * tree-nrv.c (pass_return_slot): Likewise.
4691         * tree-object-size.c (pass_object_sizes): Likewise.
4692         * tree-optimize.c (pass_all_optimizations): Likewise.
4693         (pass_early_local_passes): Likewise.
4694         (pass_all_early_optimizations): Likewise.
4695         (pass_cleanup_cfg): Likewise.
4696         (pass_cleanup_cfg_post_optimizing): Likewise.
4697         (pass_free_datastructures): Likewise.
4698         (pass_free_cfg_annotations): Likewise.
4699         (pass_fixup_cfg): Likewise.
4700         (pass_init_datastructures): Likewise.
4701         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4702         (pass_late_warn_uninitialized): Likewise.
4703         (pass_update_address_taken): Likewise.
4704         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4705         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4706         (pass_cse_sincos): Likewise.
4707         (pass_convert_to_rsqrt): Likewise.
4708         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4709         * tree-stdarg.c (pass_stdarg): Likewise.
4710         * tree-tailcall.c (pass_tail_recursion): Likewise.
4711         (pass_tail_calls): Likewise.
4712         * tree-vect-generic.c (pass_lower_vector): Likewise.
4713         (pass_lower_vector_ssa): Likewise.
4714         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4715
4716 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4717
4718         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4719         XLR entry.
4720         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4721         Handle -march=xlr.
4722         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4723         logical and signext.
4724
4725 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4726
4727         PR target/39767
4728         * config/sh/predicates.md (arith_operand): Check if the operand
4729         of TRUNCATE is a REG.
4730
4731 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4732
4733         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4734         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4735
4736 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4737
4738         * tree-iterator.c (tsi_split_statement_list_after,
4739         tsi_split_statement_list_before): Remove.
4740         * tree-iterator.h: Remove the prototypes for
4741         tsi_split_statement_list_after and tsi_split_statement_list_before.
4742
4743 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4744
4745         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4746         * tree-ssa-propagate.h: Remove the prototype for
4747         stmt_makes_single_load.
4748
4749 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4750
4751         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4752         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4753
4754 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4755
4756         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4757
4758 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4759
4760         * except.c (eh_region_outer_p): Remove.
4761         * except.h: Remove the prototype for eh_region_outer_p.
4762
4763 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4764
4765         * function.c (current_function_assembler_name): Remove.
4766         * function.h: Remove the prototype for
4767         current_function_assembler_name.
4768
4769 2009-04-16  Ian Lance Taylor  <iant@google.com>
4770
4771         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4772         (add_reg_note): Call alloc_reg_note.
4773         * rtl.h (alloc_reg_note): Declare.
4774         * combine.c (try_combine): Use alloc_reg_note.
4775         (recog_for_combine, move_deaths): Likewise.
4776         (distribute_notes): Use alloc_reg_note and add_reg_note.
4777         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4778         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4779         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4780
4781 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4782
4783         PR rtl-optimization/39762
4784         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4785         ira_may_move_out_cost): Add comments about way of their usage.
4786         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4787
4788         * ira-conflicts.c (process_regs_for_copy): Use function
4789         ira_get_register_move_cost instead of global
4790         ira_register_move_cost.
4791
4792         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4793         color_pass, move_spill_restore, update_curr_costs): Ditto.
4794
4795         * ira-lives.c (process_single_reg_class_operands): Ditto.
4796
4797         * ira-emit.c (emit_move_list): Ditto.
4798
4799         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4800         (record_reg_classes): Ditto.  Use functions
4801         ira_get_register_move_cost and ira_get_may_move_cost instead of
4802         global vars ira_register_move_cost, ira_may_move_out_cost and
4803         ira_may_move_in_cost.
4804         (record_address_regs): Don't call ira_init_register_move_cost.
4805         Use function ira_get_may_move_cost instead of global
4806         ira_may_move_in_cost.
4807         (process_bb_node_for_hard_reg_moves): Use function
4808         ira_get_register_move_cost instead of global ira_register_move_cost.
4809         (ira_costs): Don't call ira_init_register_move_cost.
4810
4811 2009-04-16  Richard Guenther  <rguenther@suse.de>
4812
4813         * tree-cfg.c (verify_gimple_assign_binary):
4814         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4815         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4816         (create_general_new_stmt): Note that this function is broken.
4817
4818 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4819
4820         * common.opt (fhelp): Add Var(help_flag).
4821         * gcc-plugin.h (plugin_info): Add help.
4822         * plugin.c (plugin_name_args): Add help.
4823         (register_plugin_info): Set plugin->help.
4824         (print_help_one_plugin): New.
4825         (print_plugins_help): New.
4826         * plugin.h (print_plugins_help): New.
4827         * toplev.c (toplev_main): Call print_plugins_help if needed.
4828
4829 2009-04-16  Richard Guenther  <rguenther@suse.de>
4830
4831         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4832         (gimple_ior_addresses_taken_1): New function.
4833         (gimple_ior_addresses_taken): Likewise.
4834         * gimple.h (struct gimple_statement_with_ops_base): Remove
4835         addresses_taken member.
4836         (gimple_ior_addresses_taken): Declare.
4837         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4838         gimple_set_addresses_taken): Remove.
4839         * ipa-reference.c (mark_address): New function.
4840         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4841         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4842         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4843         (gimple_add_to_addresses_taken): Remove.
4844         (get_tmr_operands): Call mark_address_taken.
4845         (get_asm_expr_operands): Likewise.
4846         (get_expr_operands): Likewise.
4847         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4848         (free_stmt_operands): Do not free it.
4849         * tree-ssa.c (delete_tree_ssa): Likewise.
4850         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4851
4852 2009-04-16  Richard Guenther  <rguenther@suse.de>
4853
4854         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4855         (walk_stmt_load_store_ops): Likewise.
4856         * gimple.c (get_base_loadstore): New function.
4857         (walk_stmt_load_store_addr_ops): Likewise.
4858         (walk_stmt_load_store_ops): Likewise.
4859         * ipa-pure-const.c (check_op): Simplify.
4860         (check_load, check_store): New functions.
4861         (check_stmt): Use walk_stmt_load_store_ops.
4862         * ipa-reference.c (mark_load): Adjust signature.
4863         (mark_store): Likewise.
4864         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4865
4866 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4867
4868         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4869         (plugin_info): New.
4870         * opts.c (common_handle_option): Don't call print_version.
4871         * plugin.c (plugin_name_args): Add version.
4872         (register_plugin_info): New.
4873         (register_callback): Handle PLUGIN_INFO.
4874         (try_init_one_plugin): New.
4875         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4876         if failed to init.
4877         (finalize_one_plugin): New.
4878         (finalize_plugins): New.
4879         (print_one_plugin): New.
4880         (print_plugins_versions): New.
4881         * plugin.h (print_plugins_versions): New.
4882         (finalize_plugins): New.
4883         * toplev.c (compile_file): Don't call initialize_plugins.
4884         (print_version): Call print_plugins_versions.
4885         (toplev_main): Call initialize_plugins. Print version if needed.
4886         Call finalize_plugins.
4887
4888 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4889
4890         * common.opt (fversion): New.
4891         * gcc.c (print_version): New.
4892         (process_command): Don't print the version. Just set print_version.
4893         (main): Print version. Call subprocesses if print_version and
4894         verbose_flag are set.
4895         * opts.c (common_handle_option): Handle OPT_fversion.
4896
4897 2009-04-16  Richard Guenther  <rguenther@suse.de>
4898             Ira Rosen  <irar@il.ibm.com>
4899
4900         PR tree-optimization/39698
4901         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4902         type of the reduction variable.  Only generate the def if
4903         it is needed.
4904
4905         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4906         make sure to first convert to an integer of the same precision.
4907         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4908         the type of the evolution correctly in computing the new
4909         induction variable base.
4910
4911 2009-04-16  Richard Guenther  <rguenther@suse.de>
4912
4913         PR middle-end/39625
4914         * tree-cfg.c (make_blocks): Split statements with to-be
4915         abnormal SSA names on the lhs.
4916
4917 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4918
4919         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4920         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4921         * c-typeck.c (really_start_incremental_init): Likewise.
4922         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4923         (TARGET_INITIALIZER): Remove it.
4924         * target.h (struct target): Remove vector_opaque_p.
4925         * tree.c (build_opaque_vector_type): New.
4926         * tree.h (TYPE_VECTOR_OPAQUE): New.
4927         (build_opaque_vector_type): Declare.
4928         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4929         * config/rs6000/rs6000.c (build_opaque_vector_type,
4930         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4931         (rs6000_init_builtins): Use build_opaque_vector_type for
4932         opaque_V4SI_type_node.
4933
4934 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4935
4936         * debug.h (set_name):  Declare.
4937         * dwarf2out.c (dwarf2out_set_name): Declare.
4938         (dwarf2_debug_hooks): Add set_name.
4939         (find_AT_string): New.
4940         (add_AT_string): Call find_AT_string.
4941         (dwarf2out_set_name): New.
4942         * cp/decl.c (grokdeclarator): Call set_name.
4943         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4944         * debug.c (do_nothing_debug_hooks):  Likewise.
4945         * dbxout.c (dbx_debug_hooks): Likewise.
4946         * sdbout.c (sdb_debug_hooks): Likewise.
4947
4948 2009-04-15  Michael Eager  <eager@eagercon.com>
4949
4950         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4951         reg for single-precision FPU.
4952         * config/rs6000/rs6000.md (movsi_internal1): Only for
4953         !TARGET_SINGLE_FPU.
4954         (movsi_internal1_single): New. Add pattern to move SI values to/from
4955         single-precision FP regs.
4956
4957 2009-04-15  Richard Guenther  <rguenther@suse.de>
4958
4959         * omp-low.c (lower_rec_input_clauses): Build correct address
4960         expressions.
4961         (expand_omp_for_generic): Fix multiplication type.
4962         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4963         (generate_memset_zero): Fix types.
4964         * tree-profile.c (prepare_instrumented_value): Correctly
4965         widen a pointer.
4966
4967 2009-04-15  Ian Lance Taylor  <iant@google.com>
4968
4969         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4970         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4971         for -Wall and for -Wc++-compat.
4972         (c_common_post_options): For C++, set warn_enum_compare if not
4973         already set.
4974         * c-tree.h (struct c_expr): Add field original_type.
4975         (build_external_ref): Update declaration.
4976         * c-parser.c (c_parser_braced_init): Set original_type.
4977         (c_parser_initelt): Likewise.
4978         (c_parser_expr_no_commas): Likewise.
4979         (c_parser_conditional_expression): Likewise.
4980         (c_parser_cast_expression): Likewise.
4981         (c_parser_unary_expression): Likewise.  Pull setting of
4982         original_code to top of function.
4983         (c_parser_sizeof_expression): Set original_type.
4984         (c_parser_alignof_expression): Likewise.
4985         (c_parser_postfix_expression): Likewise.  Pull setting of
4986         original_code to top of function.
4987         (c_parser_postfix_expression_after_paren_type): Set original_type.
4988         (c_parser_postfix_expression_after_primary): Likewise.
4989         (c_parser_expression): Likewise.
4990         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4991         callers.
4992         (c_expr_sizeof_expr): Set original_type field.
4993         (parser_build_unary_op): Likewise.
4994         (parser_build_binary_op): Likewise.  Optionally warn about
4995         comparisons of enums of different types.
4996         (digest_init): Set original_type field.
4997         (really_start_incremental_init): Likewise.
4998         (push_init_level, pop_init_level): Likewise.
4999         * doc/invoke.texi (Warning Options): -Wenum-compare now
5000         supported in C.
5001
5002 2009-04-15  Richard Guenther  <rguenther@suse.de>
5003
5004         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5005         out a necessary conversion.
5006         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5007         names we didn't value number.
5008         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5009
5010 2009-04-15  Richard Guenther  <rguenther@suse.de>
5011
5012         PR tree-optimization/39764
5013         * tree-ssa-ccp.c (get_value): Canonicalize value with
5014         canonicalize_float_value.
5015
5016 2009-04-15  Jan Hubicka  <jh@suse.cz>
5017
5018         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5019         Wrong version of patch.
5020
5021 2009-04-15  Jan Hubicka  <jh@suse.cz>
5022
5023         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5024
5025 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5026
5027         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5028         our distinct integral and vector types.
5029
5030 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5031
5032         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5033         * init.c (build_vtbl_address): Remove call to assemble_external.
5034
5035 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5036
5037         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5038         output for other floating point modes.
5039
5040 2009-04-14  Diego Novillo  <dnovillo@google.com>
5041
5042         * diagnostic.c (diagnostic_report_diagnostic): Do not
5043         warn about loaded plugins for DK_ERROR and DK_WARNING.
5044         * c-decl.c (declspecs_add_type): Move call to
5045         invoke_plugin_callbacks ...
5046         * c-parser.c (c_parser_declspecs): ... here.
5047         * plugin.c (dump_active_plugins): Tidy output.
5048
5049 2009-04-14  Diego Novillo  <dnovillo@google.com>
5050             Le-Chun Wu  <lcwu@google.com>
5051
5052         * configure.ac: Add --enable-plugin support.
5053         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5054         * Makefile.in (PLUGIN_H): Define.
5055         Export ENABLE_PLUGIN and GMPINC to site.exp.
5056         Add PLUGINLIBS to link command.
5057         Add/modify dependencies for plugin.o and files including plugin.h.
5058         (plugin.o): New.
5059         * config.in: Regenerate.
5060
5061         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5062         OPT_fplugin_arg_.
5063
5064 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5065
5066         * tree-pass.h (register_one_dump_file): Add a prototype for
5067         register_one_dump_file.
5068         * toplev.c (compile_file): Call initialize_plugins.
5069         (do_compile): Call invoke_plugin_callbacks.
5070         (toplev_main): Call invoke_plugin_callbacks.
5071         * common.opt: Add -fplugin= and -fplugin-arg-.
5072         * gcc-plugin.h: New public header file for plugins to include.
5073         * plugin.c: New source file.
5074         * plugin.h: New internal header file.
5075         * passes.c (register_one_dump_file): Make it external.
5076
5077         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5078
5079 2009-04-14  Diego Novillo  <dnovillo@google.com>
5080
5081         * doc/plugins.texi: New.
5082         * doc/gccint.texi: Add reference to Plugins chapter.
5083         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5084         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5085         loaded plugins, if any.
5086         * timevar.def (TV_PLUGIN_INIT): Define.
5087         (TV_PLUGIN_RUN): Define.
5088         * plugin.c: Include timevar.h
5089         (plugins_active_p): New.
5090         (dump_active_plugins): New.
5091         (debug_active_plugins): New.
5092
5093 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5094
5095         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5096         library paths.
5097         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5098
5099 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5100
5101         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5102         the same as a minus without a shift.
5103
5104 2009-04-14  Nick Clifton  <nickc@redhat.com>
5105
5106         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5107         comparisons with small integers will always produce a short
5108         branch.
5109
5110 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5111
5112         Merge:
5113         2008-12-19  Diego Novillo  <dnovillo@google.com>
5114
5115         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5116
5117 2009-04-14  Richard Guenther  <rguenther@suse.de>
5118
5119         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5120         verification.
5121         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5122         rotates correctly.
5123         (verify_gimple_phi): Print the mismatched argument position.
5124         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5125         Fix types.
5126         (vect_update_init_of_dr): Likewise.
5127         * matrix-reorg.c (transform_access_sites): Do what the
5128         comment suggests.
5129         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5130
5131 2009-04-13  Michael Eager  <eager@eagercon.com>
5132
5133         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5134         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5135         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5136         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5137         remove duplicate config
5138
5139 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5140
5141         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5142         file_name:line_number type locator of the call site.
5143
5144 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5145
5146         * genautomata.c: Put blank after comma.
5147         (automaton_decls): New.
5148         (struct unit_usage): Add comments to member next.
5149         (store_alt_unit_usage): Keep the list ordered.
5150         (unit_present_on_list_p, equal_alternatives_p): New.
5151         (check_regexp_units_distribution): Check units distribution
5152         correctness correctly.
5153         (main): Don't write automata if error is found.  Return correct
5154         exit code.
5155
5156         * config/m68k/cf.md (cfv4_ds): Remove.
5157         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5158         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5159
5160         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5161         power4-load-ext, power4-store, power4-store-update,
5162         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5163         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5164         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5165         power4-sqrt, power4-isync): Modify reservation to make correct
5166         unit distribution to automata.
5167
5168         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5169         power5-store-update, power5-two, power5-three, power5-lmul,
5170         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5171
5172 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5173
5174         * except.c (pass_set_nothrow_function_flags): Set name and add
5175         TODO_dump_func.
5176         (set_nothrow_function_flags): Mention in the dump file when
5177         changing a function to nothrow.
5178
5179 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5180
5181         PR/39066
5182         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5183         instead of unsigned long.
5184
5185 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5186
5187         * config/arm/arm.c (return_used_this_function): Remove.
5188         (arm_output_function_prologue): Remove use of
5189         return_used_this_function.
5190         (output_return_instruction): Replace use of
5191         return_used_this_function
5192         by cfun->machine->return_used_this_function.
5193         (arm_output_epilogue): Likewise.
5194         (arm_output_function_epilogue): Likewise.
5195         (thumb_unexpanded_epilogue): Likewise.
5196         * config/arm/arm.h (struct machine_function):
5197         New member return_used_this_function.
5198
5199 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5200
5201         * doc/install.texi: Correct description of default directory for
5202         --with-gxx-include-dir.
5203
5204 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5205
5206         * fold-const.c (build_range_check): Properly deal with enumeral and
5207         boolean base types.
5208
5209 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5210
5211         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5212         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5213         * params.h (MAX_GCSE_PASSES): Remove.
5214         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5215         in sequence.  Remove ability to run multiple passes.
5216         (bypass_jumps): Report run as third CPROP pass.
5217
5218 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5219
5220         PR middle-end/39651
5221         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5222         when deciding whether the whole SEQUENCE can throw.
5223
5224 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5225
5226         PR target/39740
5227         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5228         offseted label references.
5229
5230 2009-04-11  Jan Hubicka  <jh@suse.cz>
5231
5232         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5233
5234 2009-04-11  Richard Guenther  <rguenther@suse.de>
5235
5236         PR middle-end/39732
5237         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5238         return variables as TREE_ADDRESSABLE.
5239
5240 2009-04-11  Richard Guenther  <rguenther@suse.de>
5241
5242         PR tree-optimization/39713
5243         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5244         reference trees have SSA_NAME operands.
5245
5246 2009-04-11  Richard Guenther  <rguenther@suse.de>
5247
5248         PR c/39712
5249         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5250         address expressions.
5251
5252 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5253
5254         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5255         match changes in Cygwin 1.7
5256         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5257         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5258
5259 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5260
5261         PR tree-optimization/39701
5262         * doc/invoke.texi (Optimization Options): Document change in
5263         meaning and initialization of -fdelete-null-pointer-checks.
5264
5265 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5266
5267         PR middle-end/39701
5268         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5269
5270         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5271         here.
5272
5273         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5274
5275 2009-04-10  Chao-ying Fu  <fu@mips.com>
5276
5277         * doc/tm.texi (Instruction Output): Document
5278         TARGET_ASM_FINAL_POSTSCAN_INSN.
5279         * target.h (final_postscan_insn): New field in asm_out.
5280         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5281         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5282         * final.c (final_scan_insn): Call
5283         targetm.asm_out.final_postscan_insn after outputting
5284         an asm macro and a normal instruction.
5285
5286         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5287         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5288         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5289         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5290         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5291
5292 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5293
5294         PR middle-end/39701
5295         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5296         variables as non-NULL even with -fdelete-null-pointer-checks.
5297
5298 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5299
5300         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5301
5302 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5303
5304         PR target/39678
5305         * config/i386/i386.c (classify_argument): Handle SCmode with
5306         (bit_offset % 64) != 0.
5307
5308 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5309
5310         * doc/invoke.texi (Optimize Options): Add cross-reference to
5311         -Q --help=optimizers examples.
5312
5313 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5314
5315         PR target/36800
5316         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5317         regalign for the reg == fpr and TDmode case.
5318
5319 2009-04-09  David Ayers  <ayers@fsfe.org>
5320
5321         PR objc/29200
5322         * objc/objc-act.c (warn_with_method): Remove helper function.
5323         (check_duplicates): Call warning and inform directly.
5324         (really_start_method): Likewise.
5325
5326 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5327
5328         * expmed.c (expand_divmod): Always use a comparison for a division
5329         by a large unsigned integer.
5330
5331         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5332         for things others than variables or functions as nonzero.
5333
5334 2009-04-09  Nick Clifton  <nickc@redhat.com>
5335
5336         * unwind-compat.c: Change copyright header to refer to version
5337         3 of the GNU General Public License with version 3.1 of the
5338         GCC Runtime Library Exception and to point readers at the
5339         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5340         * config/alpha/crtfastmath.c: Likewise.
5341         * config/alpha/linux-unwind.h: Likewise.
5342         * config/alpha/qrnnd.asm: Likewise.
5343         * config/alpha/vms-crt0-64.c: Likewise.
5344         * config/alpha/vms-crt0.c: Likewise.
5345         * config/alpha/vms-dwarf2.asm: Likewise.
5346         * config/alpha/vms-dwarf2eh.asm: Likewise.
5347         * config/alpha/vms-psxcrt0-64.c: Likewise.
5348         * config/alpha/vms-psxcrt0.c: Likewise.
5349         * config/alpha/vms_tramp.asm: Likewise.
5350         * config/arc/initfini.c: Likewise.
5351         * config/arc/lib1funcs.asm: Likewise.
5352         * config/arm/bpabi-v6m.S: Likewise.
5353         * config/arm/bpabi.S: Likewise.
5354         * config/arm/bpabi.c: Likewise.
5355         * config/arm/crti.asm: Likewise.
5356         * config/arm/crtn.asm: Likewise.
5357         * config/arm/ieee754-df.S: Likewise.
5358         * config/arm/ieee754-sf.S: Likewise.
5359         * config/arm/lib1funcs.asm: Likewise.
5360         * config/arm/libunwind.S: Likewise.
5361         * config/arm/linux-atomic.c: Likewise.
5362         * config/arm/mmintrin.h: Likewise.
5363         * config/arm/pr-support.c: Likewise.
5364         * config/arm/unaligned-funcs.c: Likewise.
5365         * config/arm/unwind-arm.c: Likewise.
5366         * config/arm/unwind-arm.h: Likewise.
5367         * config/avr/libgcc.S: Likewise.
5368         * config/bfin/crti.s: Likewise.
5369         * config/bfin/crtlibid.s: Likewise.
5370         * config/bfin/crtn.s: Likewise.
5371         * config/bfin/lib1funcs.asm: Likewise.
5372         * config/bfin/linux-unwind.h: Likewise.
5373         * config/cris/arit.c: Likewise.
5374         * config/cris/cris_abi_symbol.c: Likewise.
5375         * config/darwin-64.c: Likewise.
5376         * config/darwin-crt2.c: Likewise.
5377         * config/darwin-crt3.c: Likewise.
5378         * config/darwin.h: Likewise.
5379         * config/dbxelf.h: Likewise.
5380         * config/dfp-bit.c: Likewise.
5381         * config/dfp-bit.h: Likewise.
5382         * config/elfos.h: Likewise.
5383         * config/fixed-bit.c: Likewise.
5384         * config/fixed-bit.h: Likewise.
5385         * config/fp-bit.c: Likewise.
5386         * config/fp-bit.h: Likewise.
5387         * config/fr30/crti.asm: Likewise.
5388         * config/fr30/crtn.asm: Likewise.
5389         * config/fr30/lib1funcs.asm: Likewise.
5390         * config/freebsd-spec.h: Likewise.
5391         * config/frv/cmovd.c: Likewise.
5392         * config/frv/cmovh.c: Likewise.
5393         * config/frv/cmovw.c: Likewise.
5394         * config/frv/frvbegin.c: Likewise.
5395         * config/frv/frvend.c: Likewise.
5396         * config/frv/lib1funcs.asm: Likewise.
5397         * config/glibc-stdint.h: Likewise.
5398         * config/h8300/clzhi2.c: Likewise.
5399         * config/h8300/crti.asm: Likewise.
5400         * config/h8300/crtn.asm: Likewise.
5401         * config/h8300/ctzhi2.c: Likewise.
5402         * config/h8300/fixunssfsi.c: Likewise.
5403         * config/h8300/lib1funcs.asm: Likewise.
5404         * config/h8300/parityhi2.c: Likewise.
5405         * config/h8300/popcounthi2.c: Likewise.
5406         * config/i386/ammintrin.h: Likewise.
5407         * config/i386/att.h: Likewise.
5408         * config/i386/avxintrin.h: Likewise.
5409         * config/i386/biarch64.h: Likewise.
5410         * config/i386/bmmintrin.h: Likewise.
5411         * config/i386/cpuid.h: Likewise.
5412         * config/i386/cross-stdarg.h: Likewise.
5413         * config/i386/crtfastmath.c: Likewise.
5414         * config/i386/crtprec.c: Likewise.
5415         * config/i386/cygming-crtbegin.c: Likewise.
5416         * config/i386/cygming-crtend.c: Likewise.
5417         * config/i386/cygwin.asm: Likewise.
5418         * config/i386/emmintrin.h: Likewise.
5419         * config/i386/gmm_malloc.h: Likewise.
5420         * config/i386/gthr-win32.c: Likewise.
5421         * config/i386/i386.h: Likewise.
5422         * config/i386/immintrin.h: Likewise.
5423         * config/i386/linux-unwind.h: Likewise.
5424         * config/i386/linux64.h: Likewise.
5425         * config/i386/mm3dnow.h: Likewise.
5426         * config/i386/mmintrin-common.h: Likewise.
5427         * config/i386/mmintrin.h: Likewise.
5428         * config/i386/nmmintrin.h: Likewise.
5429         * config/i386/pmm_malloc.h: Likewise.
5430         * config/i386/pmmintrin.h: Likewise.
5431         * config/i386/smmintrin.h: Likewise.
5432         * config/i386/sol2-c1.asm: Likewise.
5433         * config/i386/sol2-ci.asm: Likewise.
5434         * config/i386/sol2-cn.asm: Likewise.
5435         * config/i386/sol2-gc1.asm: Likewise.
5436         * config/i386/tmmintrin.h: Likewise.
5437         * config/i386/unix.h: Likewise.
5438         * config/i386/w32-unwind.h: Likewise.
5439         * config/i386/wmmintrin.h: Likewise.
5440         * config/i386/x86-64.h: Likewise.
5441         * config/i386/x86intrin.h: Likewise.
5442         * config/i386/xmmintrin.h: Likewise.
5443         * config/ia64/crtbegin.asm: Likewise.
5444         * config/ia64/crtend.asm: Likewise.
5445         * config/ia64/crtfastmath.c: Likewise.
5446         * config/ia64/crti.asm: Likewise.
5447         * config/ia64/crtn.asm: Likewise.
5448         * config/ia64/fde-glibc.c: Likewise.
5449         * config/ia64/lib1funcs.asm: Likewise.
5450         * config/ia64/linux-unwind.h: Likewise.
5451         * config/ia64/quadlib.c: Likewise.
5452         * config/ia64/unwind-ia64.c: Likewise.
5453         * config/linux.h: Likewise.
5454         * config/m32c/m32c-lib1.S: Likewise.
5455         * config/m32c/m32c-lib2-trapv.c: Likewise.
5456         * config/m32c/m32c-lib2.c: Likewise.
5457         * config/m32r/initfini.c: Likewise.
5458         * config/m68hc11/larith.asm: Likewise.
5459         * config/m68hc11/m68hc11-crt0.S: Likewise.
5460         * config/m68k/cf.md: Likewise.
5461         * config/m68k/crti.s: Likewise.
5462         * config/m68k/crtn.s: Likewise.
5463         * config/m68k/lb1sf68.asm: Likewise.
5464         * config/m68k/linux-unwind.h: Likewise.
5465         * config/mcore/crti.asm: Likewise.
5466         * config/mcore/crtn.asm: Likewise.
5467         * config/mcore/lib1.asm: Likewise.
5468         * config/mips/linux-unwind.h: Likewise.
5469         * config/mips/loongson.h: Likewise.
5470         * config/mips/mips16.S: Likewise.
5471         * config/mmix/crti.asm: Likewise.
5472         * config/mmix/crtn.asm: Likewise.
5473         * config/pa/fptr.c: Likewise.
5474         * config/pa/hpux-unwind.h: Likewise.
5475         * config/pa/lib2funcs.asm: Likewise.
5476         * config/pa/linux-atomic.c: Likewise.
5477         * config/pa/linux-unwind.h: Likewise.
5478         * config/pa/milli64.S: Likewise.
5479         * config/pa/quadlib.c: Likewise.
5480         * config/pa/stublib.c: Likewise.
5481         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5482         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5483         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5484         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5485         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5486         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5487         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5488         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5489         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5490         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5491         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5492         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5493         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5494         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5495         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5496         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5497         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5498         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5499         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5500         * config/rs6000/750cl.h: Likewise.
5501         * config/rs6000/altivec.h: Likewise.
5502         * config/rs6000/biarch64.h: Likewise.
5503         * config/rs6000/crtresfpr.asm: Likewise.
5504         * config/rs6000/crtresgpr.asm: Likewise.
5505         * config/rs6000/crtresxfpr.asm: Likewise.
5506         * config/rs6000/crtresxgpr.asm: Likewise.
5507         * config/rs6000/crtsavfpr.asm: Likewise.
5508         * config/rs6000/crtsavgpr.asm: Likewise.
5509         * config/rs6000/darwin-asm.h: Likewise.
5510         * config/rs6000/darwin-fallback.c: Likewise.
5511         * config/rs6000/darwin-fpsave.asm: Likewise.
5512         * config/rs6000/darwin-ldouble.c: Likewise.
5513         * config/rs6000/darwin-tramp.asm: Likewise.
5514         * config/rs6000/darwin-unwind.h: Likewise.
5515         * config/rs6000/darwin-vecsave.asm: Likewise.
5516         * config/rs6000/darwin-world.asm: Likewise.
5517         * config/rs6000/e500crtres32gpr.asm: Likewise.
5518         * config/rs6000/e500crtres64gpr.asm: Likewise.
5519         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5520         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5521         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5522         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5523         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5524         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5525         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5526         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5527         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5528         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5529         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5530         * config/rs6000/eabi-ci.asm: Likewise.
5531         * config/rs6000/eabi-cn.asm: Likewise.
5532         * config/rs6000/eabi.asm: Likewise.
5533         * config/rs6000/linux-unwind.h: Likewise.
5534         * config/rs6000/linux64.h: Likewise.
5535         * config/rs6000/paired.h: Likewise.
5536         * config/rs6000/paired.md: Likewise.
5537         * config/rs6000/ppc64-fp.c: Likewise.
5538         * config/rs6000/ppu_intrinsics.h: Likewise.
5539         * config/rs6000/rs6000.h: Likewise.
5540         * config/rs6000/si2vmx.h: Likewise.
5541         * config/rs6000/sol-ci.asm: Likewise.
5542         * config/rs6000/sol-cn.asm: Likewise.
5543         * config/rs6000/spe.h: Likewise.
5544         * config/rs6000/spu2vmx.h: Likewise.
5545         * config/rs6000/sysv4.h: Likewise.
5546         * config/rs6000/tramp.asm: Likewise.
5547         * config/rs6000/vec_types.h: Likewise.
5548         * config/s390/linux-unwind.h: Likewise.
5549         * config/s390/tpf-unwind.h: Likewise.
5550         * config/score/crti.asm: Likewise.
5551         * config/score/crtn.asm: Likewise.
5552         * config/sh/crt1.asm: Likewise.
5553         * config/sh/crti.asm: Likewise.
5554         * config/sh/crtn.asm: Likewise.
5555         * config/sh/divtab-sh4-300.c: Likewise.
5556         * config/sh/divtab-sh4.c: Likewise.
5557         * config/sh/divtab.c: Likewise.
5558         * config/sh/lib1funcs-4-300.asm: Likewise.
5559         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5560         * config/sh/lib1funcs.asm: Likewise.
5561         * config/sh/lib1funcs.h: Likewise.
5562         * config/sh/linux-atomic.asm: Likewise.
5563         * config/sh/linux-unwind.h: Likewise.
5564         * config/sh/shmedia.h: Likewise.
5565         * config/sh/sshmedia.h: Likewise.
5566         * config/sh/ushmedia.h: Likewise.
5567         * config/sparc/crtfastmath.c: Likewise.
5568         * config/sparc/linux-unwind.h: Likewise.
5569         * config/sparc/sol2-c1.asm: Likewise.
5570         * config/sparc/sol2-ci.asm: Likewise.
5571         * config/sparc/sol2-cn.asm: Likewise.
5572         * config/spu/divmodti4.c: Likewise.
5573         * config/spu/divv2df3.c: Likewise.
5574         * config/spu/float_disf.c: Likewise.
5575         * config/spu/float_unsdidf.c: Likewise.
5576         * config/spu/float_unsdisf.c: Likewise.
5577         * config/spu/float_unssidf.c: Likewise.
5578         * config/spu/mfc_multi_tag_release.c: Likewise.
5579         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5580         * config/spu/mfc_tag_release.c: Likewise.
5581         * config/spu/mfc_tag_reserve.c: Likewise.
5582         * config/spu/mfc_tag_table.c: Likewise.
5583         * config/spu/multi3.c: Likewise.
5584         * config/spu/spu_internals.h: Likewise.
5585         * config/spu/spu_intrinsics.h: Likewise.
5586         * config/spu/spu_mfcio.h: Likewise.
5587         * config/spu/vec_types.h: Likewise.
5588         * config/spu/vmx2spu.h: Likewise.
5589         * config/stormy16/stormy16-lib2.c: Likewise.
5590         * config/svr4.h: Likewise.
5591         * config/sync.c: Likewise.
5592         * config/v850/lib1funcs.asm: Likewise.
5593         * config/vxlib-tls.c: Likewise.
5594         * config/vxlib.c: Likewise.
5595         * config/vxworks-dummy.h: Likewise.
5596         * config/xtensa/crti.asm: Likewise.
5597         * config/xtensa/crtn.asm: Likewise.
5598         * config/xtensa/ieee754-df.S: Likewise.
5599         * config/xtensa/ieee754-sf.S: Likewise.
5600         * config/xtensa/lib1funcs.asm: Likewise.
5601         * config/xtensa/lib2funcs.S: Likewise.
5602         * config/xtensa/linux-unwind.h: Likewise.
5603         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5604         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5605         * coretypes.h: Likewise.
5606         * crtstuff.c: Likewise.
5607         * defaults.h: Likewise.
5608         * dwarf2.h: Likewise.
5609         * emutls.c: Likewise.
5610         * gbl-ctors.h: Likewise.
5611         * gcov-io.h: Likewise.
5612         * ginclude/float.h: Likewise.
5613         * ginclude/iso646.h: Likewise.
5614         * ginclude/stdarg.h: Likewise.
5615         * ginclude/stdbool.h: Likewise.
5616         * ginclude/stddef.h: Likewise.
5617         * ginclude/stdfix.h: Likewise.
5618         * ginclude/stdint-gcc.h: Likewise.
5619         * ginclude/tgmath.h: Likewise.
5620         * gthr-aix.h: Likewise.
5621         * gthr-dce.h: Likewise.
5622         * gthr-gnat.c: Likewise.
5623         * gthr-gnat.h: Likewise.
5624         * gthr-lynx.h: Likewise.
5625         * gthr-mipssde.h: Likewise.
5626         * gthr-nks.h: Likewise.
5627         * gthr-posix.c: Likewise.
5628         * gthr-posix.h: Likewise.
5629         * gthr-posix95.h: Likewise.
5630         * gthr-rtems.h: Likewise.
5631         * gthr-single.h: Likewise.
5632         * gthr-solaris.h: Likewise.
5633         * gthr-tpf.h: Likewise.
5634         * gthr-vxworks.h: Likewise.
5635         * gthr-win32.h: Likewise.
5636         * gthr.h: Likewise.
5637         * libgcc2.c: Likewise.
5638         * libgcc2.h: Likewise.
5639         * libgcov.c: Likewise.
5640         * tsystem.h: Likewise.
5641         * typeclass.h: Likewise.
5642         * unwind-c.c: Likewise.
5643         * unwind-compat.h: Likewise.
5644         * unwind-dw2-fde-compat.c: Likewise.
5645         * unwind-dw2-fde-darwin.c: Likewise.
5646         * unwind-dw2-fde-glibc.c: Likewise.
5647         * unwind-dw2-fde.c: Likewise.
5648         * unwind-dw2-fde.h: Likewise.
5649         * unwind-dw2.c: Likewise.
5650         * unwind-dw2.h: Likewise.
5651         * unwind-generic.h: Likewise.
5652         * unwind-pe.h: Likewise.
5653         * unwind-sjlj.c: Likewise.
5654         * unwind.inc: Likewise.
5655         * config/arm/neon-gen.ml: Change generated copyright header to
5656         refer to version 3 of the GNU General Public License with
5657         version 3.1 of the GCC Runtime Library Exception and to point
5658         readers at the COPYING3 and COPYING3.RUNTIME files and the
5659         FSF's license web page.
5660         * config/arm/arm_neon.h: Regenerate.
5661
5662 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5663
5664         * config/cris/cris.md: Change copyright header to refer to version
5665         3 of the GNU General Public License.
5666         * doc/install.texi2html: Change copyright header to refer to version
5667         3 of the GNU General Public License and to point readers at the
5668         COPYING3 file and the FSF's license web page.
5669         * config/vax/linux.h: Likewise.
5670
5671 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5672
5673         * config/i386/i386.md (cmpcc): New.
5674         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5675         (sync_compare_and_swap_cc*): Delete.
5676
5677         * config/s390/s390.c (s390_compare_emitted): Remove.
5678         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5679         s390_compare_emitted used to be handled.  Assert that modes match.
5680         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5681         refer to sync_compare_and_swap_ccsi.
5682         * config/s390/s390.h (s390_compare_emitted): Remove.
5683         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5684         instead of s390_compare_emitted.
5685         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5686         instead of s390_compare_emitted.
5687         * config/s390/s390.md (cmpcc): New.
5688         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5689         CC_REGNUM, do not pretend it's set.
5690         (sync_compare_and_swap_cc*): Delete.
5691         * config/s390/predicates.md (cc_reg_operand): New.
5692
5693         * expr.c (sync_compare_and_swap_cc): Delete.
5694         * optabs.h (sync_compare_and_swap_cc): Delete.
5695         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5696         is being used with can_compare_p.
5697         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5698         (find_cc_set): New.
5699         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5700         look for a MODE_CC set instead.  Use emit_store_flag.
5701         (expand_compare_and_swap_loop): Likewise, with some additional
5702         complication to avoid a force_reg when useless.  Use
5703         emit_cmp_and_jump_insns.
5704         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5705         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5706         sync_compare_and_swap documentation.
5707
5708 2009-04-09  Jan Hubicka  <jh@suse.cz>
5709
5710         * except.c (find_prev_try): Break out from ....
5711         (duplicate_eh_regions): ... here; properly update prev_try pointers
5712         when duplication part of tree.
5713         (dump_eh_tree): Improve dumping.
5714         (verify_eh_region): New.
5715         (verify_eh_tree): Use it.
5716
5717 2009-04-06  Richard Guenther  <rguenther@suse.de>
5718
5719         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5720         &ARRAY addresses by adjusting their types and prepending
5721         a conversion.
5722         * tree-cfg.c (verify_gimple_assign_single): Verify that
5723         addresses are correct.
5724
5725 2009-04-09  Richard Guenther  <rguenther@suse.de>
5726
5727         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5728         indices into an array reference if possible.
5729         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5730         Fold POINTER_PLUS_EXPR statements with invariant address.
5731
5732 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5733
5734         PR target/39634
5735         * config.gcc (powerpc64-*-linux*): Always build biarch.
5736
5737 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5738
5739         PR c/39613
5740         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5741         it and pedwarn if this results in an INTEGER_CST.
5742
5743 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5744
5745         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5746         text in MPFR section.
5747
5748 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5749
5750         * dwarf2out.c (class_scope_p): New static inline.
5751         (class_or_namespace_scope_p): Use it.
5752         (gen_variable_die): Use DW_TAG_member tag for static data member
5753         declarations instead of DW_TAG_variable.
5754
5755         PR middle-end/39573
5756         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5757         variables.
5758
5759 2009-04-08  Richard Guenther  <rguenther@suse.de>
5760
5761         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5762         valueize random data.
5763
5764 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5765
5766         * config.gcc (aix tm_file):  Add aix-stdint.h.
5767         (aix tm clause use_gcc_stdint):  Set to wrap.
5768         * config/rs6000/aix-stdint.h:  New file.
5769
5770 2009-04-08  Richard Guenther  <rguenther@suse.de>
5771
5772         PR middle-end/36291
5773         * tree-dfa.c (add_referenced_var): Do not recurse into
5774         global initializers.
5775         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5776         exposed variables.
5777         (fold_const_aggregate_ref): Likewise.
5778
5779 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5780
5781         * recog.c (ordered_comparison_operator): New.
5782         * gensupport.c (std_preds): Add it.
5783         * doc/md.texi (Machine-Independent Predicates): Document it.
5784
5785 2009-04-08  Jan Hubicka  <jh@suse.cz>
5786
5787         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5788         * function.h (rtl_eh): Remove exception_handler_label_map.
5789         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5790         remove_exception_handler_label, for_each_eh_label_1): Remove.
5791         (rtl_remove_unreachable_regions): Remove.
5792         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5793         (find_exception_handler_labels): Don't build the hashtable.
5794         (maybe_remove_eh_handler): Remove.
5795         (for_each_eh_label): Rewrite to walk the tree.
5796         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5797         * except.h (maybe_remove_eh_handler): Remove.
5798         * passes.c (init_optimization_passes): Schedule second EH cleanup
5799         before out-of-ssa.
5800         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5801         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5802
5803 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5804
5805         * genoutput.c (validate_optab_operands): New.
5806         (gen_insn, gen_expand): Call it.
5807
5808         * genflags.c (gen_insn): Detect misused iterators.
5809         (main): Pass line_no to gen_insn, exit with status 1 on error.
5810
5811         * genextract.c (line_no): Make global.
5812         (VEC_safe_set_locstr): Change assertion to error message.
5813         (main): Exit with status 1 on error.
5814
5815 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5816
5817         PR c/39614
5818         PR c/39673
5819         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5820         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5821         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5822         * c-convert.c (convert): Do not call fold on results of conversion
5823         functions when the result is a C_MAYBE_CONST_EXPR.
5824         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5825         of __builtin_choose_expr.
5826         * c-typeck.c (remove_c_maybe_const_expr): New.
5827         (build_unary_op, build_conditional_expr, build_compound_expr,
5828         build_binary_op, c_objc_common_truthvalue_conversion): Call
5829         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5830         integer operands.
5831
5832 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5833
5834         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5835         CODE to produce a new one. Add a prototype to use fold_convert_const
5836
5837 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5838
5839         PR bootstrap/39660
5840         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5841         mix declarations and code.
5842
5843 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5844
5845         * gcc.c: Replace `CC' with `GCC' throughout.
5846
5847 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5848
5849         * doc/invoke.texi: Document Atom support.
5850
5851 2009-04-07  Jason Merrill  <jason@redhat.com>
5852
5853         PR c++/25185
5854         * c-common.h, c-common.c: Add flag_pretty_templates.
5855         * c-opts.c (c_common_handle_option): Set it.
5856         * c.opt: Add -fno-pretty-templates.
5857         * doc/invoke.texi (C++ Dialect Options): Likewise.
5858
5859 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5860
5861         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5862         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5863         (ia64_expand_builtin): Likewise.
5864
5865 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5866
5867         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5868         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5869         ADDR_EXPRS are include too.
5870
5871 2009-04-07  Richard Guenther  <rguenther@suse.de>
5872
5873         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5874         decls are only used if passes as parameters or if they are
5875         local statics and the call is not to a builtin.
5876         (call_may_clobber_ref_p_1): Likewise.
5877
5878 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5879
5880         * expr.c (do_store_flag): Remove last argument.  Simplify code
5881         to avoid duplication of tests already done by can_compare_p.
5882         (expand_expr_real_1): Adjust caller.
5883
5884 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5885
5886         * optabs.c (can_compare_p): Test the predicate of a
5887         cbranch and cstore pattern.
5888
5889 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5890
5891         * expr.c (convert_move): Use emit_store_flag instead of
5892         "emulating" it.
5893
5894 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5895
5896         * config/i386/i386.c (ix86_compare_emitted): Remove.
5897         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5898         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5899         * config/i386/i386.h (ix86_compare_emitted): Remove.
5900         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5901         instead of ix86_compare_emitted.
5902         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5903
5904 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5905
5906         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5907         Add t-sysroot-suffix to tmake_file.
5908         * config/print-sysroot-suffix.sh: New file.
5909         * config/t-sysroot-suffix: New file.
5910
5911 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5912
5913         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5914         as the latter produces a warning when the target does not support
5915         infinity.
5916
5917 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5918
5919         * dfp.c: Replace type punning assignments with memcpy throughout.
5920         * Makefile.in (dfp.o-warn): Remove.
5921
5922 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5923
5924         PR target/39634
5925         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5926         Include soft-fp/t-softfp after rs6000/t-linux64.
5927
5928 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5929
5930         * stor-layout.c (set_sizetype): Use the full precision of their
5931         machine mode for bitsize types.
5932
5933 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5934
5935         * config/i386/i386.md: Revert 2 accidental checkins.
5936
5937 2009-04-06  Joey Ye  <joey.ye@intel.com>
5938             Xuepeng Guo  <xuepeng.guo@intel.com>
5939             H.J. Lu  <hongjiu.lu@intel.com>
5940
5941         Atom pipeline model, tuning and insn selection.
5942         * config.gcc (atom): Add atom config options and target.
5943
5944         * config/i386/atom.md: New.
5945
5946         * config/i386/i386.c (atom_cost): New cost.
5947         (m_ATOM): New macro flag.
5948         (initial_ix86_tune_features): Set m_ATOM.
5949         (x86_accumulate_outgoing_args): Likewise.
5950         (x86_arch_always_fancy_math_387): Likewise.
5951         (processor_target): Add Atom cost.
5952         (cpu_names): Add Atom cpu name.
5953         (override_options): Set Atom ISA.
5954         (ix86_issue_rate): New case PROCESSOR_ATOM.
5955         (ix86_adjust_cost): Likewise.
5956
5957         * config/i386/i386.h (TARGET_ATOM): New target macro.
5958         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5959         (TARGET_OPT_AGU): New target option.
5960         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5961         (processor_type): Add PROCESSOR_ATOM.
5962
5963         * config/i386/i386.md (cpu): Add new value "atom".
5964         (use_carry, movu): New attr.
5965         (atom.md): Include atom.md.
5966         (adddi3_carry_rex64): Set attr "use_carry".
5967         (addqi3_carry): Likewise.
5968         (addhi3_carry): Likewise.
5969         (addsi3_carry): Likewise.
5970         (*addsi3_carry_zext): Likewise.
5971         (subdi3_carry_rex64): Likewise.
5972         (subqi3_carry): Likewise.
5973         (subhi3_carry): Likewise.
5974         (subsi3_carry): Likewise.
5975         (x86_movdicc_0_m1_rex64): Likewise.
5976         (*x86_movdicc_0_m1_se): Likewise.
5977         (x86_movsicc_0_m1): Likewise.
5978         (*x86_movsicc_0_m1_se): Likewise.
5979         (*adddi_1_rex64): Emit add insn as much as possible.
5980         (*addsi_1): Likewise.
5981         (return_internal): Set atom_unit.
5982         (return_internal_long): Likewise.
5983         (return_pop_internal): Likewise.
5984         (*rcpsf2_sse): Set atom_sse_attr attr.
5985         (*qrt<mode>2_sse): Likewise.
5986         (*prefetch_sse): Likewise.
5987
5988         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5989         PROCESSOR_ATOM.
5990         (ix86_target_macros_internal): Likewise.
5991
5992         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5993         (*prefetch_sse_rex): Likewise.
5994         (sse_rcpv4sf2): Likewise.
5995         (sse_vmrcpv4sf2): Likewise.
5996         (sse_sqrtv4sf2): Likewise.
5997         (<sse>_vmsqrt<mode>2): Likewise.
5998         (sse_ldmxcsr): Likewise.
5999         (sse_stmxcsr): Likewise.
6000         (*sse_sfence): Likewise.
6001         (sse2_clflush): Likewise.
6002         (*sse2_mfence): Likewise.
6003         (*sse2_lfence): Likewise.
6004         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6005         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6006         (avx_movdqu<avxmodesuffix>): Likewise.
6007         (avx_lddqu<avxmodesuffix>): Likewise.
6008         (sse2_movntv2di): Change attr "type" to "ssemov".
6009         (sse2_movntsi): Likewise.
6010         (rsqrtv8sf2): Change attr "type" to "sseadd".
6011         (sse3_addsubv2df3): Set attr "atom_unit".
6012         (sse3_h<plusminus_insn>v4sf3): Likewise.
6013         (*sse2_pmaddwd): Likewise.
6014         (*vec_extractv2di_1_rex64): Likewise.
6015         (*vec_extractv2di_1_avx): Likewise.
6016         (sse2_psadbw): Likewise.
6017         (ssse3_phaddwv8hi3): Likewise.
6018         (ssse3_phaddwv4hi3): Likewise.
6019         (ssse3_phadddv4si3): Likewise.
6020         (ssse3_phadddv2si3): Likewise.
6021         (ssse3_phaddswv8hi3): Likewise.
6022         (ssse3_phaddswv4hi3): Likewise.
6023         (ssse3_phsubwv8hi3): Likewise.
6024         (ssse3_phsubwv4hi3): Likewise.
6025         (ssse3_phsubdv4si3): Likewise.
6026         (ssse3_phsubdv2si3): Likewise.
6027         (ssse3_phsubswv8hi3): Likewise.
6028         (ssse3_phsubswv4hi3): Likewise.
6029         (ssse3_pmaddubsw128): Likewise.
6030         (sse3_pmaddubsw: Likewise.
6031         (ssse3_palignrti): Likewise.
6032         (ssse3_palignrdi): Likewise.
6033
6034 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6035
6036         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6037
6038 2009-04-06  Richard Guenther  <rguenther@suse.de>
6039
6040         PR tree-optimization/28868
6041         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6042         of which PHI results we inserted.
6043         (insert_into_preds_of_block): Record inserted PHIs.
6044         (eliminate): Eliminate redundant PHI nodes.
6045         (init_pre): Init inserted_phi_names.
6046
6047 2009-04-06  Richard Guenther  <rguenther@suse.de>
6048
6049         PR tree-optimization/39643
6050         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6051         IMAGPART_EXPRs of complex constants.
6052         (execute_fold_all_builtins): If we folded a call queue
6053         TODO_update_address_taken.
6054
6055 2009-04-06  Jan Hubicka  <jh@suse.cz>
6056
6057         PR middle-end/39659
6058         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6059         flag.
6060
6061 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6062
6063         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6064         delay slot.
6065         (ic_invalidate_array): Likewise.
6066
6067 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6068
6069         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6070         alignment for library calls.
6071
6072 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6073
6074         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6075         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6076         * config/i386/mingw-stdint.h:  New file.
6077
6078 2009-04-05  Richard Guenther  <rguenther@suse.de>
6079
6080         PR tree-optimization/39648
6081         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6082         our &A vs. &A[0] IL deficiencies.
6083
6084 2009-04-04  Jan Hubicka  <jh@suse.cz>
6085
6086         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6087         removed toplevel regions.
6088         (sjlj_mark_call_sites): Likewise.
6089
6090 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6091
6092         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6093         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6094         * config/i386/cygwin-stdint.h:  New file.
6095
6096 2009-04-04  Richard Guenther  <rguenther@suse.de>
6097
6098         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6099         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6100         single-argument PHIs if we are in loop-closed SSA form.
6101         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6102         for the pre-condition.
6103         (slpeel_tree_peel_loop_to_edge): Likewise.
6104         (vect_build_loop_niters): Take an optional sequence to append stmts.
6105         (vect_generate_tmps_on_preheader): Likewise.
6106         (vect_do_peeling_for_loop_bound): Take extra guards for the
6107         pre-condition.
6108         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6109         the cost model check.
6110         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6111         guards if we are going to peel.  Do not apply versioning in that case.
6112         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6113         (vect_do_peeling_for_loop_bound): Likewise.
6114         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6115         loop bound only record extra pre-conditions, do not apply loop
6116         versioning.
6117
6118 2009-04-04  Richard Guenther  <rguenther@suse.de>
6119
6120         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6121         renaming code.
6122
6123 2009-04-04  Jan Hubicka  <jh@suse.cz>
6124
6125         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6126         last_basic_block for size of bb->index indexed array.
6127         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6128         compute_out, link_btr_uses, build_btr_def_use_webs,
6129         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6130
6131 2009-04-04  Jan Hubicka  <jh@suse.cz>
6132
6133         * except.c (remove_eh_handler_and_replace): Break out from ...
6134         (remove_eh_handler): ... here.
6135         (bring_to_root): New function.
6136         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6137         handled ones, bring others to root of tree.
6138
6139 2009-04-04  Jan Hubicka  <jh@suse.cz>
6140
6141         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6142         (all_phis_safe_to_merge): New function.
6143         (update_info): New structure.
6144         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6145         (cleanup_empty_eh): Update SSA if possible.
6146
6147 2009-04-04  Richard Guenther  <rguenther@suse.de>
6148
6149         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6150         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6151         (append_vuse): Likewise.
6152
6153 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6154
6155         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6156         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6157         instead of REG_UNSAVED for DW_CFA_undefined.
6158         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6159         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6160         outermost frame.
6161
6162 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6163
6164         PR target/39501
6165         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6166         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6167         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6168
6169 2009-04-04  Richard Guenther  <rguenther@suse.de>
6170
6171         PR tree-optimization/8781
6172         PR tree-optimization/37892
6173         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6174         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6175         (valueize_refs): Call it for *& valueizations.
6176         (shared_reference_ops_from_ref): Rename to ...
6177         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6178         (shared_reference_ops_from_call): Rename to ...
6179         (valueize_shared_reference_ops_from_call): ... this and valueize.
6180         (vn_reference_lookup): Update.
6181         (visit_reference_op_call): Likewise.
6182         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6183         (eliminate): Value-replace the call address in call statements.
6184
6185 2009-04-04  Richard Guenther  <rguenther@suse.de>
6186
6187         PR tree-optimization/39636
6188         * tree-ssa-forwprop.c
6189         (forward_propagate_addr_into_variable_array_index): Check for
6190         GIMPLE_ASSIGN before accessing the rhs code.
6191
6192 2009-04-03  Jason Merrill  <jason@redhat.com>
6193
6194         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6195
6196 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6197
6198         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6199         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6200         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6201         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6202         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6203         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6204         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6205         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6206         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6207         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6208         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6209         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6210         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6211         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6212         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6213         Use fr_reg_or_fp01_operand instead of fr_register_operand
6214
6215         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6216         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6217         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6218
6219 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6220
6221         PR rtl-optimization/39607
6222         PR rtl-optimization/39631
6223
6224         Revert:
6225
6226         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6227         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6228         instead of DF_LR_OUT.
6229         * ira-lives.c (process_bb_node_lives): Ditto.
6230         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6231         instead of DF_LR_{OUT,IN}.
6232         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6233         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6234
6235 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6236
6237         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6238         (execute_lower_omp): Always run but take the short way out if -fopenmp
6239         is not given.
6240         (gate_lower_omp): Remove, forcing the pass manager to always run the
6241         pass and always set PROP_gimple_lomp.
6242         (pass_lower_omp): Remove gate function.
6243         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6244         PROP_trees.  Instead, require it.
6245         * ipa-cp.c (pass_ipa_cp): Likewise.
6246         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6247         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6248         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6249         and PROP_gimple_leh.
6250
6251 2009-04-03  Richard Guenther  <rguenther@suse.de>
6252
6253         PR middle-end/13146
6254         PR tree-optimization/23940
6255         PR tree-optimization/33237
6256         PR middle-end/33974
6257         PR middle-end/34093
6258         PR tree-optimization/36201
6259         PR tree-optimization/36230
6260         PR tree-optimization/38049
6261         PR tree-optimization/38207
6262         PR tree-optimization/38230
6263         PR tree-optimization/38301
6264         PR tree-optimization/38585
6265         PR middle-end/38895
6266         PR tree-optimization/38985
6267         PR tree-optimization/39299
6268         * tree-ssa-structalias.h: Remove.
6269         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6270         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6271         (struct vuse_element_d): Remove.
6272         (struct vuse_vec_d): Likewise.
6273         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6274         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6275         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6276         VUSE_ELEMENT_VAR): Likewise.
6277         (struct voptype_d): Likewise.
6278         (NUM_VOP_FREE_BUCKETS): Likewise.
6279         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6280         (struct stmt_operands_d): Remove.
6281         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6282         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6283         VDEF_NUM, VDEF_VECT): Likewise.
6284         (copy_virtual_operands): Remove.
6285         (operand_build_cmp): Likewise.
6286         (create_ssa_artificial_load_stmt): Likewise.
6287         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6288         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6289         vuse_index and mayuse_index members.  Pack and move done and iter_type
6290         members to the front.
6291         (SSA_OP_VMAYUSE): Remove.
6292         (SSA_OP_VIRTUAL_USES): Adjust.
6293         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6294         (unlink_stmt_vdef): Declare.
6295         (add_to_addressable_set): Remove.
6296         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6297         (vrp_visit_stmt): Likewise.
6298         * doc/tree-ssa.texi (Alias analysis): Update.
6299         * doc/invoke.texi (max-aliased-vops): Remove docs.
6300         (avg-aliased-vops): Likewise.
6301         * tree-into-ssa.c (syms_to_rename): Remove.
6302         (need_to_update_vops_p): Likewise.
6303         (need_to_initialize_update_ssa_p): Rename to ...
6304         (update_ssa_initialized_fn): ... this.  Track function we are
6305         initialized for.
6306         (symbol_marked_for_renaming): Simplify.
6307         (add_new_name_mapping): Do not set need_to_update_vops_p.
6308         (dump_currdefs): Use SYMS_TO_RENAME.
6309         (rewrite_update_stmt): Always walk all uses/defs.
6310         (dump_update_ssa): Adjust.
6311         (init_update_ssa): Take function argument.  Track what we are
6312         initialized for.
6313         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6314         (create_new_def_for): Initialize for cfun, assert we are initialized
6315         for cfun.
6316         (mark_sym_for_renaming): Simplify.
6317         (mark_set_for_renaming): Do not initialize update-ssa.
6318         (need_ssa_update_p): Simplify.  Take function argument.
6319         (name_mappings_registered_p): Assert we ask for the correct function.
6320         (name_registered_for_update_p): Likewise.
6321         (ssa_names_to_replace): Likewise.
6322         (release_ssa_name_after_update_ssa): Likewise.
6323         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6324         (dump_decl_set): Do not print a newline.
6325         (debug_decl_set): Do it here.
6326         (dump_update_ssa): And here.
6327         * tree-ssa-loop-im.c (move_computations): Adjust.
6328         (movement_possibility): Likewise.
6329         (determine_max_movement): Likewise.
6330         (gather_mem_refs_stmt): Likewise.
6331         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6332         or NAME_MEMORY_TAG.
6333         * tree-complex.c (update_all_vops): Remove.
6334         (expand_complex_move): Adjust.
6335         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6336         Simplify test for memory referencing statement.  Exclude
6337         non-invariant ADDR_EXPRs.
6338         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6339         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6340         (rdg_flag_uses): Likewise.
6341         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6342         related code.
6343         (tree_optimize_tail_calls_1): Also split the
6344         edge from the entry block if we have degenerate PHI nodes in
6345         the first basic block.
6346         * tree.c (init_ttree): Remove memory-tag related code.
6347         (tree_code_size): Likewise.
6348         (tree_node_structure): Likewise.
6349         (build7_stat): Re-write to be build6_stat.
6350         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6351         (SSA_VAR_P): Adjust.
6352         (struct tree_memory_tag): Remove.
6353         (struct tree_memory_partition_tag): Likewise.
6354         (union tree_node): Adjust.
6355         (build7): Re-write to be build6.
6356         * tree-pass.h (pass_reset_cc_flags): Remove.
6357         (TODO_update_address_taken): New flag.
6358         (pass_simple_dse): Remove.
6359         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6360         * params.h (MAX_ALIASED_VOPS): Remove.
6361         (AVG_ALIASED_VOPS): Likewise.
6362         * omp-low.c (expand_omp_taskreg): Update SSA form.
6363         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6364         aliases the lhs in a copy stmt.
6365         * tree-ssa-dse.c (struct address_walk_data): Remove.
6366         (memory_ssa_name_same): Likewise.
6367         (memory_address_same): Likewise.
6368         (get_kill_of_stmt_lhs): Likewise.
6369         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6370         unused stores.  Look through PHI nodes into post-dominated regions.
6371         (dse_optimize_stmt): Simplify.  Properly remove stores.
6372         (tree_ssa_dse): Compute dominators.
6373         (execute_simple_dse): Remove.
6374         (pass_simple_dse): Likewise.
6375         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6376         gimple_loaded_syms and gimple_stored_syms computation.
6377         * toplev.c (dump_memory_report): Dump alias and pta stats.
6378         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6379         (vn_reference_eq): Likewise.
6380         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6381         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6382         valueize_vuses): Remove.
6383         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6384         (get_def_ref_stmt_vuse): ... this.
6385         (vn_reference_lookup_2): New function.
6386         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6387         walking equivalent vuses.  Simplify.
6388         (vn_reference_lookup): Likewise.
6389         (vn_reference_insert): Likewise.
6390         (vn_reference_insert_pieces): Likewise.
6391         (visit_reference_op_call): Simplify.
6392         (visit_reference_op_load): Likewise.
6393         (visit_reference_op_store): Likewise.
6394         (init_scc_vn): Remove shared_lookup_vuses initialization.
6395         (free_scc_vn): Remove shared_lookup_vuses freeing.
6396         (sort_vuses, sort_vuses_heap): Remove.
6397         (get_ref_from_reference_ops): Export.
6398         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6399         vector with single vuse pointer.
6400         (vn_reference_lookup_pieces, vn_reference_lookup,
6401         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6402         (shared_vuses_from_stmt): Remove.
6403         (get_ref_from_reference_ops): Declare.
6404         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6405         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6406         memory-tag related code.
6407         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6408         (likely_value): Add comment, skip static-chain of call statements.
6409         (surely_varying_stmt_p): Adjust.
6410         (gimplify_and_update_call_from_tree): Likewise.
6411         (execute_fold_all_builtins): Do not rebuild alias info.
6412         (gimplify_and_update_call_from_tree): Properly update VOPs.
6413         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6414         (copy_ref_info): Remove memory-tag related code.
6415         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6416         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6417         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6418         computation.
6419         * tree-ssa-dom.c (gimple_p): Remove typedef.
6420         (eliminate_redundant_computations): Adjust.
6421         (record_equivalences_from_stmt): Likewise.
6422         (avail_expr_hash): Likewise.
6423         (avail_expr_eq): Likewise.
6424         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6425         (stmt_makes_single_load): Likewise.
6426         (stmt_makes_single_store): Likewise.
6427         * tree-ssa-alias.c: Rewrite completely.
6428         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6429         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6430         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6431         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6432         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6433         Remove public functions.
6434         (pass_reset_cc_flags): Remove.
6435         (pass_build_alias): Move ...
6436         * tree-ssa-structalias.c (pass_build_alias): ... here.
6437         * tree-ssa-alias.c (may_be_aliased): Move ...
6438         * tree-flow-inline.h (may_be_aliased): ... here.
6439         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6440         count_uses_and_derefs): Move ...
6441         * gimple.c: ... here.
6442         * gimple.h (count_uses_and_derefs): Declare.
6443         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6444         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6445         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6446         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6447         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6448         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6449         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6450         New functions.
6451         * tree-dfa.c (refs_may_alias_p): Move ...
6452         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6453         * tree-ssa-alias.h: New file.
6454         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6455         (statement_sink_location): Likewise.
6456         * opts.c (decode_options): Do not adjust max-aliased-vops or
6457         avg-aliased-vops values.
6458         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6459         (TV_CALL_CLOBBER): Likewise.
6460         (TV_FLOW_SENSITIVE): Likewise.
6461         (TV_FLOW_INSENSITIVE): Likewise.
6462         (TV_MEMORY_PARTITIONING): Likewise.
6463         (TV_ALIAS_STMT_WALK): New timevar.
6464         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6465         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6466         (get_address_description): Remove memory-tag related code.
6467         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6468         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6469         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6470         and immediate uses in statements.  Document.
6471         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6472         (dump_symbols): Remove.
6473         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6474         * alias.c (get_deref_alias_set): New function split out from ...
6475         (get_alias_set): ... here.
6476         * alias.h (get_deref_alias_set): Declare.
6477         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6478         type parameter.  Remove restrict pointer handling.  Create a
6479         ref-all pointer in case type-based alias sets do not conflict.
6480         (vect_analyze_data_refs): Remove SMT related code.
6481         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6482         (vectorizable_load): Likewise.
6483         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6484         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6485         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6486         Ignore vops and SMTs.
6487         (dr_analyze_alias): Likewise..
6488         (free_data_ref): Likewise.
6489         (create_data_ref): Likewise.
6490         (analyze_all_data_dependences): Likewise.
6491         (get_references_in_stmt): Adjust.
6492         * tree-flow-inline.h (gimple_aliases_computed_p,
6493         gimple_addressable_vars, gimple_call_clobbered_vars,
6494         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6495         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6496         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6497         gimple_mem_ref_stats): Remove.
6498         (gimple_vop): New function.
6499         (op_iter_next_use): Remove vuses and mayuses cases.
6500         (op_iter_next_def): Remove vdefs case.
6501         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6502         (clear_and_done_ssa_iter): Do not set removed fields.
6503         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6504         Assert we are not iterating over vuses or vdefs if not also
6505         iterating over uses or defs.
6506         (op_iter_init_use): Likewise.
6507         (op_iter_init_def): Likewise.
6508         (op_iter_next_vdef): Remove.
6509         (op_iter_next_mustdef): Likewise.
6510         (op_iter_init_vdef): Likewise.
6511         (compare_ssa_operands_equal): Likewise.
6512         (link_use_stmts_after): Handle vuse operand.
6513         (is_call_used): Use is_call_clobbered.
6514         (is_call_clobbered): Global variables are always call clobbered,
6515         query the call-clobbers bitmap.
6516         (mark_call_clobbered): Ignore global variables.
6517         (clear_call_clobbered): Likewise.
6518         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6519         virtual operands sanity check.
6520         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6521         Remove.
6522         (TARGET_MEM_REF): Remove TMR_TAG operand.
6523         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6524         Remove call-clobber related code.
6525         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6526         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6527         partitions or escape reason.
6528         (get_single_def_stmt, get_single_def_stmt_from_phi,
6529         get_single_def_stmt_with_phi): Remove.
6530         (dump_referenced_vars): Tidy.
6531         (get_ref_base_and_extent): Allow bare decls.
6532         (collect_dfa_stats): Adjust.
6533         * graphite.c (rename_variables_in_stmt): Adjust.
6534         (graphite_copy_stmts_from_block): Likewise.
6535         (translate_clast): Likewise.
6536         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6537         (EXPR_DIES): New.
6538         (translate_vuse_through_block): Use the oracle.
6539         (phi_translate_1): Adjust.
6540         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6541         in EXPR_DIES.
6542         (valid_in_sets): Check if the VUSE for
6543         a REFERENCE is available.
6544         (eliminate): Do not remove stmts during elimination,
6545         instead queue and remove them afterwards.
6546         (do_pre): Do not rebuild alias info.
6547         (pass_pre): Run TODO_rebuild_alias before PRE.
6548         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6549         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6550         (mark_all_v_defs_stmt): Remove.
6551         (mark_all_v_defs_seq): Adjust.
6552         (sra_replace): Likewise.
6553         (scalarize_use): Likewise.
6554         (scalarize_copy): Likewise.
6555         (scalarize_init): Likewise.
6556         (scalarize_ldst): Likewise.
6557         (todoflags): Remove.
6558         (tree_sra): Do not rebuild alias info.
6559         (tree_sra_early): Adjust.
6560         (pass_sra): Run TODO_update_address_taken before SRA.
6561         * tree-predcom.c (set_alias_info): Remove.
6562         (prepare_initializers_chain): Do not call it.
6563         (mark_virtual_ops_for_renaming): Adjust.
6564         (mark_virtual_ops_for_renaming_list): Remove.
6565         (initialize_root_vars): Adjust.
6566         (initialize_root_vars_lm): Likewise.
6567         (prepare_initializers_chain): Likewise.
6568         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6569         (may_propagate_copy_into_stmt): Likewise.
6570         (merge_alias_info): Do nothing for now.
6571         (propagate_tree_value_into_stmt): Adjust.
6572         (stmt_may_generate_copy): Likewise.
6573         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6574         not mark symbols for renaming.
6575         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6576         with the same statement, make sure to update the new pointed-to one.
6577         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6578         call statements, do not mark symbols for renaming.
6579         (mark_operand_necessary): Dump something.
6580         (ref_may_be_aliased): New function.
6581         (mark_aliased_reaching_defs_necessary_1): New helper function.
6582         (mark_aliased_reaching_defs_necessary): Likewise.
6583         (mark_all_reaching_defs_necessary_1): Likewise.
6584         (mark_all_reaching_defs_necessary): Likewise.
6585         (propagate_necessity): Do not process virtual PHIs.  For
6586         non-aliased loads mark all reaching definitions as necessary.
6587         For aliased loads and stores mark the immediate dominating
6588         aliased clobbers as necessary.
6589         (visited): New global static.
6590         (perform_tree_ssa_dce): Free visited bitmap after propagating
6591         necessity.
6592         (remove_dead_phis): Perform simple dead virtual PHI removal.
6593         (remove_dead_stmt): Properly unlink virtual operands when
6594         removing stores.
6595         (eliminate_unnecessary_stmts): Schedule PHI removal after
6596         stmt removal.
6597         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6598         (process_replaceable): Likewise.
6599         (find_replaceable_in_bb): Likewise.
6600         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6601         based on the single gimple vop.
6602         (verify_flow_insensitive_alias_info): Remove.
6603         (verify_flow_sensitive_alias_info): Likewise.
6604         (verify_call_clobbering): Likewise.
6605         (verify_memory_partitions): Likewise.
6606         (verify_alias_info): Likewise.
6607         (verify_ssa): Adjust..
6608         (execute_update_addresses_taken): Export.  Update SSA
6609         manually.  Optimize only when optimizing.  Use a local bitmap.
6610         (pass_update_address_taken): Remove TODO_update_ssa, add
6611         TODO_dump_func.
6612         (pass_update_address_taken): Just use TODO_update_address_taken.
6613         (init_tree_ssa): Do not initialize addressable_vars.
6614         (verify_ssa): Verify new VUSE / VDEF properties.
6615         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6616         Do not call verify_alias_info.
6617         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6618         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6619         and callused solutions.  Do not free addressable_vars.
6620         Remove memory-tag related code.
6621         (warn_uninitialized_var): Aliases are always available.
6622         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6623         * lambda-code.c (can_put_in_inner_loop): Adjust.
6624         (can_put_after_inner_loop): Likewise.
6625         (perfect_nestify): Likewise.
6626         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6627         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6628         (vectorizable_conversion): Do not mark symbols for renaming.
6629         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6630         (expand_call_inline): Unlink the calls virtual operands before
6631         replacing it.
6632         (tree_function_versioning): Do not call update_ssa if we are not
6633         updating clones.  Simplify.
6634         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6635         (propagate_with_phi): Likewise..
6636         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6637         clobber code.  Assert we are not aliased or global.
6638         * tree-flow.h: Include tree-ssa-alias.h
6639         (enum escape_type): Remove.
6640         (struct mem_sym_stats_d): Likewise.
6641         (struct mem_ref_stats_d): Likewise.
6642         (struct gimple_df): Add vop member.  Remove global_var,
6643         call_clobbered_vars, call_used_vars, addressable_vars,
6644         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6645         escaped and callused members.
6646         (struct ptr_info_def): Remove all members, add points-to solution
6647         member pt.
6648         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6649         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6650         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6651         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6652         (tree-ssa-alias.o): Likewise.
6653         (toplev.o): Add tree-ssa-alias.h
6654         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6655         * gimple.c (gimple_set_bb): Fix off-by-one error.
6656         (is_gimple_reg): Do not handle memory tags.
6657         (gimple_copy): Also copy virtual operands.
6658         Delay updating the statement.  Do not reset loaded and stored syms.
6659         (gimple_set_stored_syms): Remove.
6660         (gimple_set_loaded_syms): Likewise.
6661         (gimple_call_copy_skip_args): Copy the virtual operands
6662         and mark the new statement modified.
6663         * tree-ssa-structalias.c (may_alias_p): Remove.
6664         (set_uids_in_ptset): Take the alias set to prune with as
6665         parameter.  Fold in the alias test of may_alias_p.
6666         (compute_points_to_sets): Compute whether a ptr is dereferenced
6667         in a local sbitmap.
6668         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6669         other ADDRESSOF constraints on the lhs.
6670         (get_constraint_for_component_ref): Assert that we don't get
6671         ADDRESSOF constraints from the base of the reference.
6672         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6673         (struct variable_info): Remove collapsed_to member.
6674         (get_varinfo_fc): Remove.
6675         (new_var_info): Do not set collapsed_to.
6676         (dump_constraint): Do not follow cycles.
6677         (dump_constraint_graph): Likewise.
6678         (build_pred_graph): Likewise.
6679         (build_succ_graph): Likewise.
6680         (rewrite_constraints): Likewise.
6681         (do_simple_structure_copy): Remove.
6682         (do_rhs_deref_structure_copy): Remove.
6683         (do_lhs_deref_structure_copy): Remove.
6684         (collapse_rest_of_var): Remove.
6685         (do_structure_copy): Re-implement.
6686         (pta_stats): New global variable.
6687         (dump_pta_stats): New function.
6688         (struct constraint_expr): Make offset signed.
6689         (UNKNOWN_OFFSET): Define special value.
6690         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6691         (solution_set_expand): New helper function split out from ...
6692         (do_sd_constraint): ... here.
6693         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6694         (do_ds_constraint): Likewise.
6695         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6696         and CALLUSED = *CALLUSED.
6697         (set_union_with_increment): Make inc argument signed.
6698         (type_safe): Remove.
6699         (get_constraint_for_ptr_offset): Handle unknown and negative
6700         constant offsets.
6701         (first_vi_for_offset): Handle offsets before start.  Bail
6702         out early for offsets beyond the variable extent.
6703         (first_or_preceding_vi_for_offset): New function.
6704         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6705         Together with ESCAPED = *ESCAPED this properly computes reachability.
6706         (find_what_var_points_to): New function.
6707         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6708         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6709         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6710         pt_solutions_intersect): New functions.
6711         (compute_call_used_vars): Remove.
6712         (compute_may_aliases): New main entry into PTA computation.
6713         * gimple.h (gimple_p): New typedef.
6714         (struct gimple_statement_base): Remove references_memory_p.
6715         (struct gimple_statement_with_memory_ops_base): Remove
6716         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6717         members.
6718         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6719         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6720         gimple_set_references_memory): Remove.
6721         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6722         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6723         New functions.
6724         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6725         (verify_expr): Allow RESULT_DECL.
6726         (gimple_duplicate_bb): Do not copy virtual operands.
6727         (gimple_duplicate_sese_region): Adjust.
6728         (gimple_duplicate_sese_tail): Likewise.
6729         (mark_virtual_ops_in_region): Remove.
6730         (move_sese_region_to_fn): Do not call it.
6731         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6732         and pass_simple_dse.
6733         (execute_function_todo): Handle TODO_update_address_taken,
6734         call execute_update_addresses_taken for TODO_rebuild_alias.
6735         (execute_todo): Adjust.
6736         (execute_one_pass): Init dump files early.
6737         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6738         call-clobbered.
6739         (create_general_new_stmt): Clear vops.
6740         * tree-ssa-reassoc.c (get_rank): Adjust.
6741         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6742         symbols for renaming.
6743         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6744         (PARAM_AVG_ALIASED_VOPS): Likewise.
6745         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6746         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6747         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6748         (operand_build_cmp, copy_virtual_operands,
6749         create_ssa_artificial_load_stmt, add_to_addressable_set,
6750         gimple_add_to_addresses_taken): Remove public functions.
6751         (unlink_stmt_vdef): New function.
6752
6753 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6754
6755         * config.gcc (powerpc-*-linux*): Merge variants.
6756
6757 2009-04-02  Chao-ying Fu  <fu@mips.com>
6758             James Grosbach  <james.grosbach@microchip.com>
6759
6760         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6761         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6762         cop0_sp_offset.
6763         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6764         keep_interrupts_masked_p, use_debug_exception_return_p.
6765         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6766         keep_interrupts_masked, use_debug_exception_return.
6767         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6768         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6769         New functions.
6770         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6771         (mips_print_operand): Process COP0 registers to print $0 .. $31
6772         correctly for GAS to process.
6773         (mips_interrupt_extra_call_saved_reg_p): New function.
6774         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6775         extra registers.
6776         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6777         (mips_compute_frame_info): Add supports for interrupt context that
6778         includes doubleword accumulators and COP0 registers.
6779         (mips_for_each_saved_acc): New function.
6780         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6781         mips_for_each_saved_reg.
6782         (mips_save_reg): Save accumulators.
6783         (mips_kernel_reg_p): A new for_each_rtx callback.
6784         (mips_expand_prologue): Support interrupt handlers.
6785         (mips_restore_reg): Restore accumulators.
6786         (mips_expand_epilogue): Support interrupt handlers.
6787         (mips_can_use_return_insn): Return false for interrupt handlers.
6788         (mips_epilogue_uses): New function.
6789         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6790         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6791         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6792         cop0_move): New instructions.
6793         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6794         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6795         defines.
6796         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6797         New defines.
6798         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6799         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6800         interrupt handlers, we use K0 as the temporary register.
6801         (EPILOGUE_USES): Change to a function call.
6802         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6803         handlers, we use K0 as the temporary register.
6804
6805         * doc/extend.texi (Function Attributes): Document interrupt,
6806         use_shadow_register_set, keep_interrupts_masked,
6807         use_debug_exception_return for MIPS attributes.
6808
6809 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6810
6811         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6812         Remove a number of t-files from tmake_file.
6813         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6814         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6815         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6816         target_prototype, not TARGET_PROTOTYPE.
6817         (LINK_OS_GNU_SPEC): Define.
6818         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6819         and darwin-ldoubdle.c.
6820
6821 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6822
6823         PR driver/39293
6824         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6825         (cpp_options): Ditto.
6826         (default_compilers): Ditto.
6827         (display_help): Ditto.
6828         (process_command): Ditto.
6829         (do_spec_1): Ditto.
6830         (set_input): Use lbasename instead of duplicate code.
6831         (save_temps_prefix): New static for -save-temps=obj.
6832         (save_temps_length): Ditto.
6833
6834         * doc/invoke.texi (-save-temps=obj): Document new variant to
6835         -save-temps switch.
6836
6837 2009-04-02  Jeff Law  <law@redhat.com>
6838
6839         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6840         variable.
6841
6842 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6843
6844         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6845         * configure: Regenerated.
6846
6847 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6848
6849         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6850         share the argument list.
6851
6852 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6853
6854         Merge
6855
6856         2009-02-12  Diego Novillo  <dnovillo@google.com>
6857
6858         * varpool.c (debug_varpool): New.
6859         * cgraph.h (debug_varpool): Declare.
6860
6861 2009-04-02  Jan Hubicka  <jh@suse.cz>
6862
6863         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6864         pass.
6865
6866 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6867
6868         * config/i386/i386.c (ix86_abi): Move initialization to ...
6869         (override_options): Here.
6870
6871 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6872
6873         * config/sh/sh.c (sh_dwarf_register_span): New function.
6874         (TARGET_DWARF_REGISTER_SPAN): Define.
6875         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6876
6877 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6878
6879         PR tree-optimization/39595
6880         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6881         interleaved loads group is not  greater than the SLP group size.
6882
6883 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6884
6885         * builtins.c (is_builtin_name): New.
6886         (called_as_built_in): Use is_builtin_name.
6887         * tree.h (is_builtin_name): New.
6888         * varasm.c (incorporeal_function_p): Use is_builtin_name
6889
6890 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6891
6892         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6893
6894 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6895
6896         PR c++/26693
6897         * c-decl.c (clone_underlying_type): Move this ...
6898         * c-common.c (set_underlying_type): ... here.
6899         Also, make sure the function properly sets TYPE_STUB_DECL() on
6900         the newly created typedef variant type.
6901         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6902         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6903         points.
6904
6905 2009-04-02  Richard Guenther  <rguenther@suse.de>
6906
6907         PR tree-optimization/37221
6908         * tree-flow.h (degenerate_phi_result): Declare.
6909         * tree-ssa-dom.c (degenerate_phi_result): Export.
6910         * tree-scalar-evolution.c (analyze_initial_condition): If
6911         the initial condition is defined by a degenerate PHI node
6912         use the degenerate value.
6913
6914 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6915
6916         PR rtl-optimization/39588
6917         * combine.c (merge_outer_ops): Do not set the constant when this
6918         is not necessary.
6919         (simplify_shift_const_1): Do not modify it either in this case.
6920
6921 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6922
6923         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6924         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6925
6926 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6927
6928         PR c/29027
6929         * c-lex.c (interpret_float): Default (no suffix) is double.
6930
6931 2009-04-1  Xinliang David Li  <davidxl@google.com>
6932
6933         * config/i386/i386.c (legitimate_constant_p): Recognize
6934         all one vector constant.
6935
6936 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6937
6938         * config/vax/vax.c: Add #includes to silence warnings.
6939         Change #include order to silence two warnings.
6940
6941 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6942
6943         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6944         (ASM_SPEC): Pass -k to the assembler for PIC code.
6945
6946 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6947
6948         * config.gcc: Add vax-*-linux* to the switch.
6949         * config/vax/linux.h: New file. (TARGET_VERSION,
6950         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6951
6952 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6953
6954         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6955         Use predicate macros instead of GET_CODE() == foo.
6956         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6957         ashlsi3, rotrsi3, <unnamed>): Likewise.
6958
6959 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6960
6961         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6962         jbbccihi, jbbccisi): Remova trailing whitespace.
6963         * config/vax/constraints.md: Likewise.
6964         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6965         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6966         * config/vax/predicates.md: Likewise.
6967         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6968         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6969         * config/vax/vax.h: Likewise.
6970         * config/vax/vax.md (nonlocal_goto): Likewise.
6971
6972 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6973
6974         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6975         (indirectable_address_p, adjacent_operands_p): Add spaces around
6976         braces.
6977         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6978
6979 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6980
6981         * config/vax/vax.c (legitimate_constant_address_p,
6982         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6983         index_term_p, reg_plus_index_p, legitimate_address_p,
6984         vax_mode_dependent_address_p): Update comments to match functions
6985         modified by the recent int->bool conversion.
6986
6987 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6988
6989         * config/vax/builtins.md: Update copyright message.
6990         * config/vax/constraints.md: Likewise.
6991         * config/vax/netbsd-elf.h: Likewise.
6992         * config/vax/predicates.md: Likewise.
6993         * config/vax/vax-protos.h: Likewise.
6994         * config/vax/vax.c: Likewise.
6995         * config/vax/vax.h: Likewise.
6996         * config/vax/vax.md: Likewise.
6997         * config/vax/vax.opt: Likewise.
6998
6999 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7000
7001         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7002         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7003         * config/vax/constraints.md (B, R): Likewise.
7004         * config/vax/predicates.md (external_memory_operand,
7005         nonimmediate_addsub_di_operand): Likewise.
7006         * config/vax/vax.c (vax_output_int_add): Likewise.
7007         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7008         untyped_call): Likewise.
7009
7010 2009-04-01  Matt Thomas  <matt@3am-software.com>
7011
7012         * config/vax/predicates.md: New file.
7013         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7014         external_const_operand, nonsymbolic_operand, external_memory_operand,
7015         indirect_memory_operand, indexed_memory_operand,
7016         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7017         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7018         predicate.
7019         * config/vax/constraints.md: New file.
7020         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7021         New constraint.
7022         * config/vax/builtins.md: New file.
7023         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7024         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7025         jbbccisi): Define.
7026         * config/vax/vax.opt (mqmath): Add option.
7027         * config/vax/vax.md (isfx): Extend with DI.
7028         (VAXintQH, VAXintQHSD): Define.
7029         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7030         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7031         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7032         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7033         (movdi): Update constraints and use vax_output_int_move().
7034         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7035         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7036         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7037         nonlocal_goto): New.
7038         (mov<mode>): Extend accepted operand types.
7039         (subdi3_old): Rename from subdi3, change update constraints and use
7040         a new implementation.
7041         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7042         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7043         MOVE_RATIO, CLEAR_RATIO): Define.
7044         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7045         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7046         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7047         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7048         (split_quadword_operands): Make static and really allow variable
7049         splitting.
7050         (print_operand_address): Update for PIC generation.
7051         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7052         indexable_address_p, fixup_mathdi_operand,
7053         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7054         (vax_float_literal, legitimate_constant_p,
7055         indirectable_constant_address_p, index_term_p,
7056         reg_plus_index_p): Return bool instead of int.
7057         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7058         where needed.
7059         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7060         generation.
7061         (vax_output_conditional_branch): Indent.
7062         (legitimate_constant_address_p, indirectable_constant_address_p,
7063         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7064         vax_mode_dependent_address_p): Return bool instead of int, update for
7065         PIC generation.
7066         * config/vax/vax-protos.h (legitimate_constant_address_p,
7067         legitimate_constant_p, legitimate_address_p,
7068         vax_mode_dependent_address_p): Change declaration to bool.
7069         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7070         vax_expand_addsub_di_operands, vax_output_int_subtract,
7071         vax_output_movmemsi): Declare.
7072         (split_quadword_operands, vax_float_literal): Delete declaration.
7073         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7074         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7075         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7076         ASM_OUTPUT_DWARF_PCREL): Define.
7077         (ASM_SPEC): Change definition to allow PIC generation.
7078
7079 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7080
7081         * doc/sourcebuild.texi: Update front-end requirements.
7082
7083 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7084
7085         PR target/39226
7086         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7087         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7088         (booldi3_internal3): Use boolean_or_operator instead of
7089         boolean_operator.
7090
7091 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7092
7093         PR c/39605
7094         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7095         declarator whose size is not an integer constant expression but
7096         folds to an integer constant, then treat it as a constant
7097         subsequently.
7098
7099 2009-04-01  Richard Guenther  <rguenther@suse.de>
7100
7101         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7102         i * 4 + 2 to (i * 2 + 1) * 2.
7103
7104 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7105
7106         PR c/37772
7107         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7108         return if c_parser_asm_string_literal returned NULL.
7109
7110 2009-04-01  Nick Clifton  <nickc@redhat.com>
7111
7112         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7113         already defined.
7114         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7115         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7116         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7117         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7118         include it.
7119         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7120         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7121         then include it.
7122
7123 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7124
7125         * varasm.c (default_function_rodata_section): Declare DOT as
7126         const char*.
7127
7128 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7129             Andrey Galkin  <agalkin@hypercom.com>
7130
7131         PR/39492
7132         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7133         Make object_name unique for each process.
7134
7135 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7136
7137         PR other/39591
7138         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7139         addressable variables in the parallel that could go out of scope while
7140         running queued tasks.
7141
7142 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7143
7144         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7145         (CASE_VALUES_THRESHOLD): Redefine.
7146         * config/avr/avr.c (avr_override_options): Remove initialization of
7147         avr_case_values_threshold variable.
7148         (avr_case_values_threshold): Remove variable. Add new function.
7149         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7150         * config/avr/avr.opt (mno-tablejump): Remove option.
7151         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7152
7153 2009-04-01  DJ Delorie  <dj@redhat.com>
7154
7155         * varasm.c (default_function_rodata_section): Don't assume
7156         anything about where the first '.' in the section name is.
7157
7158 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7159
7160         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7161         rs6000_emit_stack_tie.
7162
7163 2009-03-31  Ian Lance Taylor  <iant@google.com>
7164
7165         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7166         gimple_code with GIMPLE_RESX, not RESX.
7167
7168 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7169
7170         * c-common.c (c_get_ident): New.
7171         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7172
7173 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7174
7175         * config/rs6000/sysv4.opt (msdata): Improve option description.
7176
7177 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7178
7179         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7180         (divdf3_internal_lat): Remove.
7181         (divxf3_internal_lat): Remove.
7182         (divxf3_internal_thr): Remove.
7183         (divxf): Use divxf3_internal.
7184         * config/ia64/div.md (divsf3_internal_lat): New.
7185         (divdf3_internal_lat): New.
7186         (divxf3_internal): New.
7187
7188 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7189
7190         PR c/448
7191         * Makefile.in (USE_GCC_STDINT): Define.
7192         (stmp-int-hdrs): Install stdint.h if applicable.
7193         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7194         if known.
7195         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7196         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7197         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7198         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7199         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7200         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7201         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7202         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7203         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7204         (c_common_nodes_and_builtins): Initialize
7205         underlying_wchar_type_node.  Do not initialize
7206         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7207         nodes for new types.
7208         (c_stddef_cpp_builtins): Define macros for new types.
7209         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7210         Remove.
7211         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7212         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7213         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7214         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7215         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7216         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7217         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7218         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7219         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7220         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7221         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7222         int16_type_node, int32_type_node, int64_type_node,
7223         uint8_type_node, uint16_type_node, c_uint32_type_node,
7224         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7225         int_least32_type_node, int_least64_type_node,
7226         uint_least8_type_node, uint_least16_type_node,
7227         uint_least32_type_node, uint_least64_type_node,
7228         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7229         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7230         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7231         uintptr_type_node): Define.
7232         * c-cppbuiltin.c (builtin_define_constants,
7233         builtin_define_type_minmax): New.
7234         (builtin_define_stdint_macros): Define more macros.
7235         (c_cpp_builtins): Define more limit macros.
7236         (type_suffix): New.
7237         (builtin_define_type_max): Define in terms of
7238         builtin_define_type_minmax.  Remove is_long parameter.  All
7239         callers changed.
7240         * config.gcc (use_gcc_stdint): Define.
7241         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7242         Add newlib-stdint.h for generic targets.
7243         * config/glibc-stdint.h, config/newlib-stdint.h,
7244         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7245         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7246         * config/score/score.h (UINTPTR_TYPE): Define.
7247         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7248         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7249         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7250         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7251         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7252         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7253         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7254         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7255         * config/spu/spu.h (STDINT_LONG32): Define.
7256         * configure.ac (use_gcc_stdint): Substitute.
7257         * configure: Regenerate.
7258         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7259         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7260         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7261         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7262         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7263         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7264         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7265         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7266         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7267         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7268         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7269         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7270         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7271         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7272         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7273         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7274         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7275         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7276         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7277         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7278         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7279         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7280         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7281         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7282         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7283         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7284         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7285         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7286         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7287
7288 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7289
7290         * loop-iv.c (suitable_set_for_replacement): Renamed from
7291         simplify_using_assignment; changed to return bool and to accept new
7292         args DEST and SRC.  Return true iff we find a source/destination pair
7293         that can be used to make a replacement, and fill SRC and DEST if so.
7294         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7295         changed.
7296         (simplify_using_initial_values): Deal with altered regs here and track
7297         more precisely the effect they have on the validity of our expression.
7298
7299         * loop-iv.c (simplify_using_condition): A condition of the form
7300         (EQ REG CONST) can be used to simply make a substitution.
7301         (simplify_using_initial_values): Keep track of conditions we have seen
7302         and keep using them to simplify new expressions, while applying the
7303         same substitutions to them as to the expression.
7304
7305         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7306         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7307         GEU/LTU reversed.
7308
7309         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7310         changed.  Use this when trying to improve the upper bound.
7311         Generate the comparison by using simplify_gen_relational.
7312
7313         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7314
7315         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7316         functions.
7317         (simplify_using_assignment, simplify_using_initial_values): Call
7318         replace_in_expr to make replacements.  Call replace_single_def_regs
7319         once on the initial version of the expression.
7320
7321 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7322
7323         PR target/27237
7324         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7325
7326 2009-03-31  Richard Guenther  <rguenther@suse.de>
7327
7328         PR middle-end/31029
7329         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7330         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7331
7332 2009-03-31  Richard Guenther  <rguenther@suse.de>
7333
7334         * tree.h (div_if_zero_remainder): Declare.
7335         * fold-const.c (div_if_zero_remainder): Export.
7336         * tree-ssa-forwprop.c
7337         (forward_propagate_addr_into_variable_array_index): Handle
7338         constant array index addition outside of the variable index.
7339
7340 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7341
7342         PR target/39592
7343         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7344         define_splits, floatunssi<mode>2): Require x87 conversions from
7345         DImode to be permitted.
7346
7347 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7348
7349         PR preprocessor/15638
7350         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7351
7352 2009-03-31  Richard Guenther  <rguenther@suse.de>
7353
7354         PR middle-end/23401
7355         PR middle-end/27810
7356         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7357         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7358         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7359         a separate statement.
7360         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7361         (lookup_tmp_var): Likewise.
7362         (is_gimple_formal_tmp_or_call_rhs): Remove.
7363         (is_gimple_reg_or_call_rhs): Rename to ...
7364         (is_gimple_reg_rhs_or_call): ... this.
7365         (is_gimple_mem_or_call_rhs): Rename to ...
7366         (is_gimple_mem_rhs_or_call): ... this.
7367         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7368         DECL_GIMPLE_REG_P only if is_formal is true.
7369         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7370         for non-proper post-modify expression gimplification.
7371         (gimplify_self_mod_expr): For post-modify expressions gimplify
7372         the lvalue to a minimal lvalue.
7373         (rhs_predicate_for): Remove formal temp case.
7374         (gimplify_modify_expr_rhs): Likewise.
7375         (gimplify_addr_expr): Use is_gimple_reg.
7376         (gimplify_expr): Remove formal temp cases.
7377         (gimple_regimplify_operands): Likewise.
7378         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7379         and FILTER_EXPR like constants.
7380         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7381         is_gimple_reg.
7382         (is_gimple_formal_tmp_rhs): Remove.
7383         (is_gimple_reg_rhs): Remove special casing.
7384         (is_gimple_mem_rhs): Fix.
7385         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7386         (is_gimple_formal_tmp_var): Remove.
7387         (is_gimple_formal_tmp_reg): Likewise.
7388         (is_gimple_min_lval): Allow invariant component ref parts.
7389         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7390         is_gimple_formal_tmp_reg): Remove declarations.
7391         * tree-cfg.c (verify_expr): Verify that variables with address
7392         taken do not have DECL_GIMPLE_REG_P set.
7393         * tree-mudflap.c (mf_build_check_statement_for): Use
7394         force_gimple_operand instead of gimplify_expr.
7395
7396 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7397
7398         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7399         schedulable rows to compute_split_row.
7400
7401 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7402
7403         PR target/31635
7404         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7405         OPT_mvrsave.
7406
7407 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7408
7409         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7410         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7411         * configure: Regenerate.
7412         * config.in: Regenerate.
7413         * config/rs6000/rs6000.opt (mtls-markers): Add.
7414         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7415         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7416         (tls_ld_aix, tls_ld_sysv): Likewise.
7417         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7418         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7419
7420 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7421
7422         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7423
7424 2009-03-30  Jan Hubicka  <jh@suse.cz>
7425
7426         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7427         out of RESX.
7428         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7429         detection and label handling.
7430
7431 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7432
7433         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7434         left_conflicts_size.
7435         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7436         ALLOCNO_LEFT_CONFLICTS_SIZE.
7437
7438         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7439         remove_allocno_from_bucket_and_push,
7440         allocno_spill_priority_compare, push_allocnos_to_stack,
7441         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7442         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7443         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7444         setup_allocno_left_conflicts_size.
7445         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7446         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7447         setup_allocno_left_conflicts_size instead of
7448         setup_allocno_left_conflicts_num.
7449
7450         * ira-build.c (ira_create_allocno): Use
7451         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7452         ALLOCNO_LEFT_CONFLICTS_NUM.
7453
7454 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7455
7456         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7457         instead of DF_LR_OUT.
7458
7459         * ira-lives.c (process_bb_node_lives): Ditto.
7460
7461         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7462         instead of DF_LR_{OUT,IN}.
7463
7464         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7465
7466         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7467
7468 2009-03-30  Jan Hubicka  <jh@suse.cz>
7469
7470         * except.c (label_to_region_map): Fix thinko.
7471
7472 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7473
7474         PR middle-end/38237
7475         * tree.h (tree_find_value): New declaration.
7476         * tree.c (tree_find_value): New function.
7477         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7478
7479 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7480
7481         PR debug/39563
7482         * c-decl.c (struct c_binding): Add locus field.
7483         (bind): Add locus argument, set locus field from it.
7484         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7485         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7486         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7487         implicitly_declare, undeclared_variable, lookup_label,
7488         declare_label, c_make_fname_decl, c_builtin_function,
7489         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7490         bind callers.
7491
7492 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7493
7494         PR target/38781
7495         * config/i386/i386.c (classify_argument): Check total size of
7496         structure.
7497
7498 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7499
7500         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7501         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7502         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7503         respectively.
7504
7505         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7506         seen_variable_array_ref while also traversing a union.
7507
7508         * tree-inline.c (optimize_inline_calls): Do not call
7509         cgraph_node_remove_callees.
7510         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7511         (pass_remove_cgraph_callee_edges): New variable.
7512         * passes.c (init_optimization_passes): Add
7513         pass_remove_cgraph_callee_edges after early inlining and before all
7514         late intraprocedural passes.
7515
7516         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7517
7518 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7519
7520         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7521         Fix typos in names.
7522
7523 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7524
7525         * combine.c (simplify_comparison): Use have_insn_for.
7526         * dojump.c (do_jump): Likewise.
7527
7528 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7529
7530         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7531         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7532         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7533         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7534         instead of sparc_compare_emitted.
7535         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7536         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7537         instead of sparc_compare_emitted.
7538
7539 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7540
7541         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7542         enter/exit cfglayout mode.
7543         (pass_partition_block): Require it.
7544         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7545         (combine_instructions): Track basic blocks instead of labels.
7546         (update_cfg_for_uncondjump): New.
7547         (try_combine): Use it.  Update jumps after rescanning.
7548         (pass_combine): Require PROP_cfglayout.
7549         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7550
7551 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7552
7553         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7554         Provide/destroy PROP_cfglayout respectively.
7555         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7556         * tree-pass.h (PROP_cfglayout): New.
7557
7558 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7559
7560         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7561         fold_convert_const_fixed_from_fixed,
7562         fold_convert_const_fixed_from_int,
7563         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7564         set TREE_CONSTANT_OVERFLOW.
7565         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7566         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7567
7568 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7569
7570         * tree-vect-loop-manip.c: New file.
7571         * tree-vectorizer.c: Update documentation and included files.
7572         (vect_loop_location): Make extern.
7573         (rename_use_op): Move to tree-vect-loop-manip.c
7574         (rename_variables_in_bb, rename_variables_in_loop,
7575         slpeel_update_phis_for_duplicate_loop,
7576         slpeel_update_phi_nodes_for_guard1,
7577         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7578         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7579         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7580         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7581         find_loop_location): Likewise.
7582         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7583         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7584         get_vectype_for_scalar_type, vect_is_simple_use,
7585         supportable_widening_operation, supportable_narrowing_operation):
7586         Likewise.
7587         (bb_in_loop_p): Move to tree-vect-loop.c.
7588         (new_loop_vec_info, destroy_loop_vec_info,
7589         reduction_code_for_scalar_code, report_vect_op,
7590         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7591         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7592         (vect_supportable_dr_alignment): Likewise.
7593         * tree-vectorizer.h (tree-data-ref.h): Include.
7594         (vect_loop_location): Declare.
7595         Reorganize function declarations according to the new file structure.
7596         * tree-vect-loop.c: New file.
7597         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7598         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7599         * tree-vect-data-refs.c: New file.
7600         * tree-vect-patterns.c (timevar.h): Don't include.
7601         * tree-vect-stmts.c: New file.
7602         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7603         tree-vect-slp.c, tree-vect-loop.c.
7604         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7605         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7606         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7607         (tree-vect-analyze.o): Remove.
7608         (tree-vect-transform.o): Likewise.
7609         (tree-vect-data-refs.o): Add rule.
7610         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7611         tree-vect-slp.o): Likewise.
7612         (tree-vect-patterns.o): Remove redundant dependencies.
7613         (tree-vectorizer.o): Likewise.
7614         * tree-vect-slp.c: New file.
7615
7616 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7617
7618         * optc-gen.awk: Warn if an option flag has multiple different
7619         help strings.
7620
7621 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7622
7623         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7624         -floop-block): Document dependences on PPL, CLooG and Graphite.
7625
7626 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7627
7628         PR rtl-optimization/323
7629         * c-common.c (c_fully_fold, convert_and_check,
7630         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7631         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7632         * c-common.def (EXCESS_PRECISION_EXPR): New.
7633         * c-cppbuiltin.c (builtin_define_float_constants): Define
7634         constants with enough digits for long double.
7635         * c-lex.c (interpret_float): Interpret constant with excess
7636         precision where appropriate.
7637         * c-opts.c (c_common_post_options): Set
7638         flag_excess_precision_cmdline.  Give an error for
7639         -fexcess-precision=standard for C++ for processors where the
7640         option is significant.
7641         * c-parser.c (c_parser_conditional_expression): Handle excess
7642         precision in condition.
7643         * c-typeck.c (convert_arguments): Handle arguments with excess
7644         precision.
7645         (build_unary_op): Move excess precision outside operation.
7646         (build_conditional_expr): Likewise.
7647         (build_compound_expr): Likewise.
7648         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7649         (build_modify_expr): Handle excess precision in RHS.
7650         (convert_for_assignment): Handle excess precision in converted
7651         value.
7652         (digest_init, output_init_element, process_init_element): Handle
7653         excess precision in initializer.
7654         (c_finish_return): Handle excess precision in return value.
7655         (build_binary_op): Handle excess precision in operands and add
7656         excess precision as needed for operation.
7657         * common.opt (-fexcess-precision=): New option.
7658         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7659         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7660         For standard excess precision, output explicit conversion to and
7661         truncation from XFmode.
7662         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7663         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7664         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7665         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7666         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7667         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7668         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7669         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7670         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7671         define_splits, sqrt<mode>2): Disable where appropriate for
7672         standard excess precision.
7673         * convert.c (convert_to_real): Do not shorten arithmetic to type
7674         for which excess precision would be used.
7675         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7676         * doc/invoke.texi (-fexcess-precision=): Document option.
7677         (-mfpmath=): Correct index entry.
7678         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7679         flag_excess_precision): New.
7680         * langhooks.c (lhd_post_options): Set
7681         flag_excess_precision_cmdline.
7682         * opts.c (common_handle_option): Handle -fexcess-precision=.
7683         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7684         init_excess_precision): New.
7685         (lang_dependent_init_target): Call init_excess_precision.
7686         * tree.c (excess_precision_type): New.
7687         * tree.h (excess_precision_type): Declare.
7688
7689 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7690
7691         PR c/35235
7692         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7693         non-lvalue to component.
7694
7695 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7696
7697         PR preprocessor/34695
7698         * Makefile.in (c-opts.o): Depend on c-tree.h.
7699         * c-common.c: Move down include of diagnostic.h.
7700         (done_lexing, c_cpp_error): New.
7701         * c-common.h (done_lexing): Declare.
7702         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7703         (parse_in).
7704         * c-opts.c: Include c-tree.h.
7705         (c_common_init_options): Set preprocessor error callback.
7706         (c_common_handle_option): Do not set preprocessor
7707         inhibit_warnings, warnings_are_errors, warn_system_headers,
7708         pedantic_errors or inhibit_warnings flags.
7709         (c_common_post_options): Do not check cpp_errors (parse_in).
7710         (c_common_finish): Do not output dependencies if there were
7711         errors.  Do not check return value of cpp_finish.
7712         * c-ppoutput.c (pp_file_change): Set input_location.
7713         * c-tree.h (c_cpp_error): Declare.
7714         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7715         override_column.
7716         (diagnostic_build_prefix): Check override_column.
7717         * diagnostic.h (diagnostic_info): Add override_column field.
7718         (diagnostic_override_column): Define.
7719
7720 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7721
7722         * c-common.c (c_expand_expr, c_staticp): Remove.
7723         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7724         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7725         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7726         * c-gimplify.c (gimplify_compound_literal_expr,
7727         optimize_compound_literals_in_ctor): Remove.
7728         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7729         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7730         * c-semantics.c (emit_local_var): Remove.
7731
7732         * langhooks-def.h (lhd_expand_expr): Remove.
7733         * langhooks.c (lhd_expand_expr): Remove.
7734         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7735
7736         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7737         handling from c-semantics.c; don't call into langhook.
7738         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7739         * gimplify.c (gimplify_compound_literal_expr,
7740         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7741         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7742         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7743         as was done in c-gimplify.c.
7744         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7745         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7746         Move from c-common.h.
7747         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7748
7749         * tree.c (staticp): Do not call langhook.
7750         * langhooks.c (lhd_staticp): Delete.
7751         * langhooks-def.h (lhd_staticp): Delete prototype.
7752         (LANG_HOOKS_STATICP): Delete.
7753         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7754
7755         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7756         instead of DECL_STMTs.
7757
7758 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7759
7760         PR c/456
7761         PR c/5675
7762         PR c/19976
7763         PR c/29116
7764         PR c/31871
7765         PR c/35198
7766         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7767         void_type_node.
7768         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7769         contained expression.
7770         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7771         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7772         conditional expressions for C.
7773         (decl_constant_value_for_optimization): Move from
7774         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7775         whether optimizing and that the expression is a VAR_DECL not of
7776         array type instead of doing such checks in the caller.  Do not
7777         check pedantic.  Call gcc_unreachable for C++.
7778         * c-common.def (C_MAYBE_CONST_EXPR): New.
7779         * c-common.h (c_fully_fold, c_save_expr,
7780         decl_constant_value_for_optimization): New prototypes.
7781         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7782         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7783         EXPR_INT_CONST_OPERANDS): Define.
7784         * c-convert.c (convert): Strip nops from expression.
7785         * c-decl.c (groktypename): Take extra parameters expr and
7786         expr_const_operands.  Update call to grokdeclarator.
7787         (start_decl): Update call to grokdeclarator.  Add statement for
7788         expressions used in type of decl.
7789         (grokparm): Update call to grokdeclarator.
7790         (push_parm_decl): Update call to grokdeclarator.
7791         (build_compound_literal): Add parameter non_const and build a
7792         C_MAYBE_COSNT_EXPR if applicable.
7793         (grokdeclarator): Take extra parameters expr and
7794         expr_const_operands.  Track expressions used in declaration
7795         specifiers and declarators.  Fold array sizes and track whether
7796         they are constant expressions and whether they are integer
7797         constant expressions.
7798         (parser_xref_tag): Set expr and expr_const_operands fields in
7799         return value.
7800         (grokfield): Update call to grokdeclarator.
7801         (start_function): Update call to grokdeclarator.
7802         (build_null_declspecs): Set expr and expr_const_operands fields in
7803         return value.
7804         (declspecs_add_type): Handle expressions in typeof specifiers.
7805         * c-parser.c (c_parser_declspecs): Set expr and
7806         expr_const_operands fields for declaration specifiers.
7807         (c_parser_enum_specifier): Likewise.
7808         (c_parser_struct_or_union_specifier): Likewise.
7809         (c_parser_typeof_specifier): Likewise.  Update call to
7810         groktypename.  Fold expression as needed.  Return expressions with
7811         type instead of adding statements.
7812         (c_parser_attributes): Update calls to c_parser_expr_list.
7813         (c_parser_statement_after_labels): Fold expression before passing
7814         to objc_build_throw_stmt.
7815         (c_parser_condition): Fold expression.
7816         (c_parser_asm_operands): Fold expression.
7817         (c_parser_conditional_expression): Use c_save_expr.  Update call
7818         to build_conditional_expr.
7819         (c_parser_alignof_expression): Update call to groktypename.
7820         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7821         original_code.  Fold expression argument of va_arg.  Create
7822         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7823         argument to va_arg.  Update calls to groktypename.  Fold array
7824         index for offsetof.  Verify that first argument to
7825         __builtin_choose_expr has integer type.
7826         (c_parser_postfix_expression_after_paren_type): Update calls to
7827         groktypename and build_compound_literal.  Handle expressions with
7828         side effects in type name.
7829         (c_parser_postfix_expression_after_primary): Update call to
7830         c_parser_expr_list.  Set original_code for calls to
7831         __builtin_constant_p.
7832         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7833         expressions if requested.
7834         (c_parser_objc_type_name): Update call to groktypename.
7835         (c_parser_objc_synchronized_statement): Fold expression.
7836         (c_parser_objc_receiver): Fold expression.
7837         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7838         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7839         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7840         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7841         (struct c_typespec): Add elements expr and expr_const_operands.
7842         (struct c_declspecs): Add elements expr and expr_const_operands.
7843         (groktypename, build_conditional_expr, build_compound_literal):
7844         Update prototypes.
7845         (in_late_binary_op): Declare.
7846         * c-typeck.c (note_integer_operands): New function.
7847         (in_late_binary_op): New variable.
7848         (decl_constant_value_for_broken_optimization): Move to c-common.c
7849         and rename to decl_constant_value_for_optimization.
7850         (default_function_array_conversion): Do not strip nops.
7851         (default_conversion): Do not call
7852         decl_constant_value_for_broken_optimization.
7853         (build_array_ref): Do not fold result.
7854         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7855         result when operand is a VLA.
7856         (c_expr_sizeof_type): Update call to groktypename.  Handle
7857         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7858         result when operand names a VLA type.
7859         (build_function_call): Update call to build_compound_literal.
7860         Only fold result for calls to __builtin_* functions.  Strip
7861         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7862         the function designator.
7863         (convert_arguments): Fold arguments.  Update call to
7864         convert_for_assignment.
7865         (build_unary_op): Handle increment and decrement of
7866         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7867         decrement earlier.  Fold operand of increment and decrement.
7868         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7869         built for integer operand.  Wrap returns that are INTEGER_CSTs
7870         without being integer constant expressions or that have integer
7871         constant operands without being INTEGER_CSTs.
7872         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7873         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7874         result is an integer constant expression or can be used in
7875         unevaluated parts of one and avoid folding and wrap as
7876         appropriate.  Fold operands before possibly doing -Wsign-compare
7877         warnings.
7878         (build_compound_expr): Wrap result for C99 if operands can be used
7879         in integer constant expressions.
7880         (build_c_cast): Update call to digest_init.  Do not ignore
7881         overflow from casting floating-point constants to integers.  Wrap
7882         results that could be confused with integer constant expressions,
7883         null pointer constants or floating-point constants.
7884         (c_cast_expr): Update call to groktypename.  Handle expressions
7885         included in type name.
7886         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7887         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7888         Update calls to convert_for_assignment.
7889         (convert_for_assignment): Take new parameter
7890         null_pointer_constant.  Do not strip nops or call
7891         decl_constant_value_for_broken_optimization.  Set
7892         in_late_binary_op for conversions to boolean.
7893         (store_init_value): Update call to digest_init.
7894         (digest_init): Take new parameter null_pointer_constant.  Do not
7895         call decl_constant_value_for_broken_optimization.  pedwarn for
7896         initializers not constant expressions.  Update calls to
7897         convert_for_assignment.
7898         (constructor_nonconst): New.
7899         (struct constructor_stack): Add nonconst element.
7900         (really_start_incremental_init, push_init_level, pop_init_level):
7901         Handle constructor_nonconst and nonconst element.
7902         (set_init_index): Call constant_expression_warning for array
7903         designators.
7904         (output_init_element): Fold value.  Set constructor_nonconst as
7905         applicable.  pedwarn for initializers not constant expressions.
7906         Update call to digest_init.  Call constant_expression_warning
7907         where constant initializers are required.
7908         (process_init_element): Use c_save_expr.
7909         (c_finish_goto_ptr): Fold expression.
7910         (c_finish_return): Fold return value.  Update call to
7911         convert_for_assignment.
7912         (c_start_case): Fold switch expression.
7913         (c_process_expr_stmt): Fold expression.
7914         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7915         ensure statement expression is not evaluated in constant expression.
7916         (build_binary_op): Track whether results are integer constant
7917         expressions or may occur in such, disable folding and wrap results
7918         as applicable.  Fold operands for -Wsign-compare warnings unless
7919         in_late_binary_op.
7920         (c_objc_common_truthvalue_conversion): Handle results folded to
7921         integer constants that are not integer constant expressions.
7922         * doc/extend.texi: Document when typeof operands are evaluated,
7923         that condition of __builtin_choose_expr is an integer constant
7924         expression, and more about use of __builtin_constant_p in
7925         initializers.
7926
7927 2009-03-29  Richard Guenther  <rguenther@suse.de>
7928
7929         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7930         propagate addresses of array references.
7931
7932 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7933
7934         * regmove.c (perhaps_ends_bb_p): Remove.
7935         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7936         from INSN and check that the main loop stays within that basic block.
7937         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7938         (regmove_forward_pass): Split out from regmove_optimize.  Use
7939         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7940         (regmove_backward_pass): Split out from regmove_optimize.  Use
7941         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7942         (regmove_optimize): Simplify.
7943
7944 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7945
7946         PR target/39545
7947         * config/i386/i386.c (classify_argument): Ignore flexible array
7948         member in struct and warn ABI change.
7949
7950 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7951
7952         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7953
7954         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7955         (ix86_adjust_cost): Updated.
7956
7957 2009-03-29  Jan Hubicka  <jh@suse.cz>
7958
7959         PR middle-end/28850
7960         * tree-pass.h (pass_cleanup_eh): New function.
7961         (remove_unreachable_regions): Break code handling RTL
7962         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7963         that can not be reached by runtime.
7964         (can_be_reached_by_runtime): New function.
7965         (label_to_region_map): New function.
7966         (num_eh_regions): New function.
7967         (rtl_remove_unreachable_regions): New function.
7968         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7969         (remove_eh_region): New function.
7970         * except.h: Include sbitmap and vecprim.
7971         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7972         num_eh_regions): Declare.
7973         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7974         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7975         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7976         (tree_empty_eh_handler_p): New function.
7977         (cleanup_empty_eh): New function.
7978         (cleanup_eh): New function.
7979         (pass_cleanup_eh): New function.
7980
7981 2009-03-29  Jan Hubicka  <jh@suse.cz>
7982
7983         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7984         for removed regions.
7985
7986 2009-03-29  Jan Hubicka  <jh@suse.cz>
7987
7988         * except.c (dump_eh_tree): Dump all datastructures.
7989
7990 2009-03-29  Jan Hubicka  <jh@suse.cz>
7991
7992         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7993         (duplicate_eh_regions_1): Likewise.
7994         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7995         vector; call EH verification.
7996         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7997         Be ready for region being removed.
7998
7999 2009-03-29  Jan Hubicka  <jh@suse.cz>
8000
8001         * bitmap.c (bitmap_last_set_bit): New function.
8002         * bitmap.h (bitmap_last_set_bit): Declare.
8003
8004 2009-03-29  David Ayers  <ayers@fsfe.org>
8005
8006         PR objc/27377
8007         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8008         by calling objc_compare_types and surpress warnings about
8009         incompatible C pointers that are compatible ObjC pointers.
8010
8011 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8012
8013         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8014         call initialize_inline_failed.
8015         (initialize_inline_failed): Move it from here ...
8016         * cgraph.c (initialize_inline_failed): ... to here.
8017         (cgraph_create_edge): Call initialize_inline_failed rather than
8018         setting inline_failed directly.
8019
8020 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8021
8022         PR target/32542
8023         * sysv4.opt (msdata): Improve comment.
8024         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8025         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8026
8027 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8028
8029         PR target/30451
8030         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8031         load and store attributes.
8032
8033 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8034
8035         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8036         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8037         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8038         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8039         __builtin_infq and __builtin_huge_valq.
8040
8041 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8042
8043         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8044         atmega8m1 devices.
8045         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8046         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8047
8048 2009-03-28  Xinliang David Li  <davidxl@google.com>
8049
8050         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8051         (do_dbg_cnt): New function.
8052
8053 2009-03-28  Jan Hubicka  <jh@suse.cz>
8054
8055         Merge from pretty-ipa:
8056
8057         2009-03-27  Jan Hubicka  <jh@suse.cz>
8058
8059         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8060         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8061         * passes.c (function_called_by_processed_nodes_p): New.
8062         * ipa-pure-const.c (check_call): Fix handling of operands.
8063         (analyze_function): Dump debug output for skipped bodies.
8064         (local_pure_const): Use function_called_by_processed_nodes_p.
8065         * dwarf2out.c (reference_to_unused): Use output.
8066         * passes.c (do_per_function_toporder): Likewise.
8067
8068         2008-11-12  Jan Hubicka  <jh@suse.cz>
8069
8070         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8071         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8072         state_set_in_source enum
8073         (check_decl): Ignore memory tags; do not set fake looping flags;
8074         dump diagnostics.
8075         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8076         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8077         (check_call, analyze_function): Rewrite.
8078         (check_stmt): New.
8079         (add_new_function): Update call of analyze_function.
8080         (generate_summary): Add call of analyze_function.
8081         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8082         (local_pure_const): New function.
8083         (pass_local_pure_const): New pass.
8084         * ipa-inline.c (inline_transform): Set after_inlining.
8085         * tree-eh.c (stmt_can_throw_external): New.
8086         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8087         work with aliasing built.
8088         * tree-flow.h (stmt_can_throw_external): New.
8089         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8090         and local pure/const pass in early and late optimization queue.
8091
8092 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8093
8094         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8095         allow_func_align.
8096         (fold_binary): Allow function decl aligment consideration is the
8097         second argument is integer constant one.
8098         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8099         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8100         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8101
8102 2009-03-28  Jan Hubicka  <jh@suse.cz>
8103
8104         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8105         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8106         * function.h (rtl_data): Add nothrow flag.
8107         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8108         set DECL_NOTHROW for AVAILABLE functions.
8109
8110 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8111
8112         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8113         following vector keyword has expansion starting with pixel or bool
8114         keyword, expand vector to __vector and pixel or bool to __pixel or
8115         __bool.
8116
8117         PR c++/39554
8118         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8119         warn_if_disallowed_function_p): Removed.
8120         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8121         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8122         warning_if_disallowed_function_p.
8123         * flags.h (warn_if_disallowed_function_p,
8124         warn_disallowed_functions): Removed.
8125         * common.opt (Wdisallowed-function-list=): Removed.
8126         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8127
8128 2009-03-28  Richard Guenther  <rguenther@suse.de>
8129
8130         PR tree-optimization/38723
8131         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8132         the entry block.
8133
8134 2009-03-28  Jan Hubicka  <jh@suse.cz>
8135
8136         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8137         test introduced by my previous patch.
8138
8139 2009-03-28  Richard Guenther  <rguenther@suse.de>
8140
8141         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8142         the PHIs value undefined.
8143
8144 2009-03-28  Jan Hubicka  <jh@suse.cz>
8145
8146         * tree-pass.h (pass_fixup_cfg): New pass.
8147         * ipa-inline.c (inline_transform): Set
8148         always_inline_functions_inlined/after_inlining.
8149         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8150         (pass_fixup_cfg): New pass.
8151         * passes.c (init_optimization_passes): Add fixup_cfg.
8152
8153 2009-03-28  Richard Guenther  <rguenther@suse.de>
8154
8155         PR tree-optimization/38458
8156         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8157         argument use the arguments copy-of value.
8158
8159 2009-03-28  Richard Guenther  <rguenther@suse.de>
8160
8161         PR tree-optimization/38180
8162         * tree-ssa-ccp.c (get_default_value): Simplify.
8163         (likely_value): Likewise.
8164         (surely_varying_stmt_p): Properly handle VOP case.
8165         (ccp_initialize): Likewise.
8166         (ccp_fold): Handle propagating through *&.
8167         (fold_const_aggregate_ref): Also handle decls.
8168
8169 2009-03-28  Jan Hubicka  <jh@suse.cz>
8170
8171         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8172         * cgraph.h (cgraph_node): Likewise.
8173         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8174         (cgraph_reset_node): Use process flag.
8175         (cgraph_mark_functions_to_output): Likewise.
8176         (cgraph_expand_function): Likewise.
8177         (cgraph_expand_all_functions): Likewise.
8178         (cgraph_output_in_order): Likewise.
8179         * dwarf2out.c (reference_to_unused): Likewise.
8180         * passes.c do_per_function_toporder): Likewise.
8181
8182 2009-03-28  Jan Hubicka  <jh@suse.cz>
8183
8184         Bring from lto-branch:
8185
8186         2008-09-03  Doug Kwan  <dougkwan@google.com>
8187
8188         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8189         enums instead of reason strings.
8190         * cgraph.c (cgraph_create_edge): Same.
8191         (cgraph_inline_failed_string): New function.
8192         * cgraph.h (cgraph_inline_failed_t): New enum type.
8193         (cgraph_inline_failed_string): New prototype.
8194         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8195         char pointer to cgraph_inline_failed_t.
8196         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8197         (cgraph_default_inline_p): Ditto.
8198         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8199         to cgraph_inline_failed_t pointer.
8200         * cif-code.def: New file.
8201         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8202         reason string.
8203         (cgraph_check_inline_limits): Change type of REASON to pointer to
8204         cgraph_inline_failed_t.  Replace reason strings with enums.
8205         (cgraph_default_inline_p): Ditto.
8206         (cgraph_recursive_inlining_p): Ditto.
8207         (update_caller_keys): Change type of FAILED_REASON to
8208         cgraph_inline_failed_t.
8209         (cgraph_set_inline_failed): Change type of REASON to pointer to
8210         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8211         convert enums to strings for text output.
8212         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8213         to be of type cgraph_inline_failed_t.  Replace reason strings with
8214         enums.  Call cgraph_inline_failed_string to covert enums
8215         to strings for text output.
8216         (cgraph_decide_inlining): Replace reason strings with enums.
8217         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8218         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8219         for text output.
8220         * tree-inline.c (expand_call_inline): Change type of REASON
8221         to cgraph_inline_failed_t.  Replace reason strings with enums.
8222         Call cgraph_inline_failed_string for text output.
8223         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8224         (cgraph.o): Ditto.
8225
8226 2009-03-28  Jan Hubicka  <jh@suse.cz>
8227
8228         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8229         cgraph_clone_node): Remove master clone handling.
8230         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8231         * cgraph.h (master_clone): Remove.
8232         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8233         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8234         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8235
8236 2009-03-28  Jan Hubicka  <jh@suse.cz>
8237
8238         * cgraph.c (cgraph_function_body_availability): Functions declared
8239         inline are always safe to assume that it is not going to be replaced.
8240
8241 2009-03-28  Richard Guenther  <rguenther@suse.de>
8242
8243         PR tree-optimization/38513
8244         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8245         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8246         EXC_PTR_EXPR and FILTER_EXPR.
8247         (get_ref_from_reference_ops): Likewise.
8248
8249 2009-03-28  Richard Guenther  <rguenther@suse.de>
8250
8251         PR tree-optimization/38968
8252         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8253         Use FLOOR_MOD_EXPR to compute misalignment.
8254
8255 2009-03-28  Richard Guenther  <rguenther@suse.de>
8256
8257         PR tree-optimization/37795
8258         * tree.h (combine_comparisons): Declare.
8259         * fold-const.c (combine_comparisons): Export.
8260         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8261         comparisons.
8262         (ifcombine_iforif): Use combine_comparisons.
8263
8264 2009-03-28  Jan Hubicka  <jh@suse.cz>
8265
8266         * tree-eh.c (inlinable_call_p): New function.
8267         (make_eh_edges): Use it.
8268         (verify_eh_edges): Use it.
8269         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8270         * except.c (reachable_next_level): Add inlinable_function argument
8271         (sjlj_find_directly_reachable_regions): Update.
8272         (add_reachable_handler): Do not set saw_any_handlers.
8273         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8274         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8275         Add new inlinable call parameter.
8276         (can_throw_internal, can_throw_external): Update.
8277         * except.h (can_throw_internal_1, can_throw_external_1,
8278         foreach_reachable_handler): Update declaration.
8279
8280 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8281
8282         * config/arm/t-arm-coff, config/h8300/coff.h,
8283         config/i386/i386-aout.h, config/i386/i386-coff.h,
8284         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8285         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8286         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8287         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8288         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8289         sys-types.h: Remove.
8290         * Makefile.in: Remove protoize and fixproto support and references
8291         in comments.
8292         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8293         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8294         Remove.
8295         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8296         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8297         unprotoize$(exeext).
8298         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8299         (.PHONY): Don't depend on proto.
8300         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8301         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8302         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8303         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8304         build/gen-protos.o, build/scan.o, xsys-protos.h,
8305         build/fix-header$(build_exeext), build/fix-header.o,
8306         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8307         stmp-install-fixproto): Remove.
8308         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8309         SYSCALLS.c or fixproto files.
8310         (install-common): Don't install protoize.
8311         (install-headers-tar, install-headers-cpio, install-headers-cp):
8312         Don't depend on $(STMP_FIXPROTO).
8313         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8314         install fixproto files or write out fixproto settings.
8315         (uninstall): Don't uninstall protoize.
8316         * config.gcc (use_fixproto): Remove.
8317         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8318         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8319         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8320         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8321         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8322         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8323         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8324         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8325         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8326         * config/t-vxworks (STMP_FIXPROTO): Remove.
8327         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8328         STMP_FIXPROTO): Remove.
8329         * config.in, configure: Regenerate.
8330         * crtstuff.c (gid_t, uid_t): Don't undefine.
8331         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8332         (arm-*-coff, arm-*-aout: Remove target entries.
8333         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8334         Remove mention of AIX 4.1.
8335         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8336         * doc/invoke.texi (Running Protoize): Remove.
8337         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8338         (Protoize Caveats): Remove.
8339         * tsystem.h: Update comments on headers assumed to exist.
8340
8341 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8342
8343         * genautomata.c: Add a new year to the copyright.  Add a new
8344         reference.
8345         (struct insn_reserv_decl): Add comments for member bypass_list.
8346         (find_bypass): Remove.
8347         (insert_bypass): New.
8348         (process_decls): Use insert_bypass.
8349         (output_internal_insn_latency_func): Output all bypasses with the
8350         same input insn in one switch case.
8351
8352         * rtl.def (define_bypass): Describe bypass choice.
8353         * doc/md.texi (define_bypass): Ditto.
8354
8355 2009-03-27  Richard Guenther  <rguenther@suse.de>
8356
8357         * gimplify.c (mark_addressable): Export.
8358         * tree-flow.h (mark_addressable): Declare.
8359         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8360         * tree-ssa.c (verify_phi_args): Verify that address taken
8361         variables have TREE_ADDRESSABLE set.
8362
8363 2009-03-27  Richard Guenther  <rguenther@suse.de>
8364
8365         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8366         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8367         Do not mark decls TREE_ADDRESSABLE.
8368         (build_fold_addr_expr): Adjust.
8369         (fold_addr_expr): Remove.
8370         (fold_unary): Use build_fold_addr_expr.
8371         (fold_comparison): Likewise.
8372         (split_address_to_core_and_offset): Likewise.
8373         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8374         TREE_ADDRESSABLE.
8375         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8376         (gimplify_modify_expr_to_memcpy): Mark source and destination
8377         addressable.
8378         * omp-low.c (create_omp_child_function): Mark the object decl
8379         TREE_ADDRESSABLE.
8380         (lower_rec_input_clauses): Mark the var we take the address of
8381         TREE_ADDRESSABLE.
8382         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8383
8384 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8385
8386         PR middle-end/39315
8387         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8388         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8389
8390 2009-03-27  Richard Guenther  <rguenther@suse.de>
8391
8392         PR tree-optimization/39120
8393         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8394         constraints.
8395         (handle_lhs_call): Process return constraints.  Add escape
8396         constraints if necessary.
8397         (handle_const_call): Fill out return constraints.  Make nested
8398         case more precise.  Avoid consttmp if possible.
8399         (handle_pure_call): Fill out return constraints.  Avoid
8400         callused if possible.
8401         (find_func_aliases): Simplify call handling.
8402
8403 2009-03-27  Richard Guenther  <rguenther@suse.de>
8404
8405         PR tree-optimization/39120
8406         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8407         as a representative.
8408         (solve_graph): Do propagate CALLUSED.
8409         (handle_pure_call): Use a scalar constraint from CALLUSED for
8410         the return value.
8411         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8412         solutions.
8413
8414 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8415
8416         PR c/39323
8417         * c-common.c (handle_aligned_attribute): Properly check alignment
8418         overflow.  Use (1U << i) instead of (1 << i).
8419
8420         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8421
8422         * expr.h (get_mem_align_offset): Updated.
8423
8424         * tree.h (tree_decl_common): Change align to "unsigned int" and
8425         move it before pointer_alias_set.
8426
8427 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8428             Jakub Jelinek  <jakub@redhat.com>
8429
8430         PR target/38034
8431         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8432         gr_register_operand with gr_reg_or_0_operand.
8433         (cmpxchg_rel_di): Likewise.
8434         (sync_lock_test_and_set<mode>): Likewise.
8435
8436 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8437
8438         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8439         (true_regnum): Likewise.
8440
8441         * rtlanal.c (subreg_info): Moved to ...
8442         * rtl.h (subreg_info): Here.  New.
8443         (subreg_get_info): New.
8444
8445         * rtlanal.c (subreg_get_info): Make it extern.
8446
8447 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8448
8449         PR target/39472
8450         * config/i386/i386.c (ix86_abi): New.
8451         (override_options): Handle -mabi=.
8452         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8453         (ix86_call_abi_override): Likewise.
8454         (init_cumulative_args): Likewise.
8455         (function_arg_advance): Likewise.
8456         (function_arg_64): Likewise.
8457         (function_arg): Likewise.
8458         (ix86_pass_by_reference): Likewise.
8459         (ix86_function_value_regno_p): Likewise.
8460         (ix86_build_builtin_va_list_abi): Likewise.
8461         (setup_incoming_varargs_64): Likewise.
8462         (is_va_list_char_pointer): Likewise.
8463         (ix86_init_machine_status): Likewise.
8464         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8465         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8466         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8467         (ix86_function_abi): Make it static and return enum calling_abi.
8468         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8469         with ix86_abi.
8470         (ix86_fn_abi_va_list): Updated.
8471
8472         * config/i386/i386.h (ix86_abi): New.
8473         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8474         (CONDITIONAL_REGISTER_USAGE): Likewise.
8475         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8476         (machine_function): Likewise.
8477
8478         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8479         with ix86_abi.
8480         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8481         (STACK_BOUNDARY): Likewise.
8482         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8483
8484         * config/i386/i386.opt (mabi=): New.
8485
8486         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8487         return enum calling_abi.
8488         (ix86_function_type_abi): Likewise.
8489         (ix86_function_abi): Removed.
8490
8491         * doc/invoke.texi: Document -mabi= option for x86.
8492
8493 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8494
8495         * builtins.c (real_dconstp): Delete.
8496         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8497
8498 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8499             Jakub Jelinek  <jakub@redhat.com>
8500
8501         PR debug/37959
8502         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8503         (gen_subprogram_die): When a function is explicit, generate the
8504         DW_AT_explicit attribute.
8505         * langhooks.h (struct lang_hooks_for_decls): Add
8506         function_decl_explicit_p langhook.
8507         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8508         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8509
8510 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8511
8512         * builtins.c (fold_builtin_memory_op): Optimize memmove
8513         into memcpy if we can prove source and destination don't overlap.
8514
8515         * tree-inline.c: Include gt-tree-inline.h.
8516         (clone_fn_id_num): New variable.
8517         (clone_function_name): New function.
8518         (tree_function_versioning): Use it.
8519         * Makefile.in (GTFILES): Add tree-inline.c.
8520
8521 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8522
8523         * BASE-VER: Change to 4.5.0.
8524
8525 2009-03-27  Xinliang David Li  <davidxl@google.com>
8526
8527         PR tree-optimization/39557
8528         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8529
8530 2009-03-27  Xinliang David Li  <davidxl@google.com>
8531
8532         PR tree-optimization/39548
8533         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8534         candidate check.
8535
8536 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8537
8538         * c-common.c (pointer_int_sum): Use %wd on return from
8539         tree_low_cst.
8540
8541 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8542
8543         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8544         on return from tree_low_cst.
8545
8546 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8547
8548         PR c++/36799
8549         * ginclude/stdarg.h (va_copy): Define also for
8550         __GXX_EXPERIMENTAL_CXX0X__.
8551
8552 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8553
8554         PR c++/35652
8555         * builtins.h (c_strlen): Do not warn here.
8556         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8557         * c-common.c (pointer_int_sum): Take an explicit location.
8558         Warn about offsets out of bounds.
8559         * c-common.h (pointer_int_sum): Adjust declaration.
8560
8561 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8562
8563         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8564         markup glitch.
8565
8566 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8567
8568         PR c++/39554
8569         * opts.c (warn_if_disallowed_function_p): Don't assume
8570         get_callee_fndecl must return non-NULL.
8571
8572 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8573
8574         PR rtl-optimization/39522
8575         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8576         when reg_reloaded_valid is set.
8577
8578 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8579
8580         * config/spu/divv2df3.c: New file.
8581         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8582         (DPBIT_FUNCS): Filter out _div_df.
8583
8584 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8585
8586         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8587         a jump insn, count that jump in the distance to the loop start.
8588
8589 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8590
8591         PR target/39523
8592         * config/sh/sh.c (calc_live_regs): Fix condition for global
8593         registers except PIC_OFFSET_TABLE_REGNUM.
8594
8595 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8596
8597         PR/39518
8598         * doc/invoke.texi (-mconsole): New.
8599         (-mcygwin): New.
8600         (-mno-cygwin): New.
8601         (-mdll): New.
8602         (-mnop-fun-dllimport): New.
8603         (-mthread): New.
8604         (-mwin32): New.
8605         (-mwindows): New.
8606         (sub section "i386 and x86-64 Windows Options"): New.
8607
8608 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8609
8610         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8611         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8612
8613 2009-03-25  Richard Guenther  <rguenther@suse.de>
8614
8615         PR middle-end/39497
8616         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8617         of -Wno-error.
8618
8619 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8620
8621         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8622         neither of haifa/selective schedulers are working.
8623
8624 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8625
8626         * doc/invoke.texi (Debugging Options): Fix description of
8627         -fno-merge-debug-strings.
8628
8629 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8630
8631         * config/cris/libgcc.ver: New version-script.
8632         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8633
8634         * configure.ac <GAS features, nop mnemonic>: Add pattern
8635         crisv32-*-* for "nop".
8636         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8637         * configure: Regenerate.
8638
8639 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8640
8641         PR tree-optimization/39529
8642         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8643         mark_sym_for_renaming for the tag copied to the new vector
8644         pointer.
8645
8646 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8647
8648         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8649         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8650         EXTRA_SPEC_FUNCTIONS.
8651         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8652         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8653         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8654         -march and -mtune options.
8655
8656 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8657
8658         * config/m68k/t-rtems: Add m5329 multilib.
8659
8660 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8661             Jakub Jelinek  <jakub@redhat.com>
8662
8663         PR debug/39524
8664         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8665         nodes.
8666
8667 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8668
8669         PR c/39495
8670         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8671         instead of c_parser_expression_conv, if original_code isn't one of the
8672         4 allowed comparison codes, fail.
8673
8674 2009-03-23  Richard Guenther  <rguenther@suse.de>
8675
8676         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8677         * tree.h (struct tree_type): Likewise.
8678         * reload.h (struct insn_chain): Likewise.
8679         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8680         * function.h (struct function): Likewise.
8681         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8682
8683 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8684
8685         PR tree-optimization/39516
8686         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8687
8688 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8689
8690         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8691         should be set true if BITS_PER_WORD of target is bigger than 32
8692
8693 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8694
8695         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8696         Translate -B-options to -rpath-link.  Correct existing
8697         rpath-link and conditionalize on !nostdlib.
8698
8699 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8700
8701         * doc/extend.texi (Function Attributes, Variable Attributes):
8702         Fix typos.
8703         * doc/invoke.texi (Debugging Options, Optimize Options)
8704         (i386 and x86-64 Options, MCore Options): Likewise.
8705
8706 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8707
8708         PR debug/37890
8709         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8710         it for block local namespace aliases.
8711         (gen_decl_die): Pass context_die to gen_namespace_die.
8712
8713 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8714
8715         PR c/39495
8716         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8717         minimum or maximum value.
8718
8719 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8720
8721         * reginfo.c (globalize_reg): Recompute derived reg sets.
8722
8723 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8724
8725         PR target/39063
8726         * libgcc2.c (mprotect): Do not use signed arguments for
8727         VirtualProtect, use DWORD arguments.  Also fix the 'may
8728         be used uninitialized' warning for the np variable.
8729
8730 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8731
8732         PR target/39496
8733         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8734         functions using regparm calling conventions when not optimizing.
8735         (ix86_function_sseregparm): Similarly for sseregparm calling
8736         conventions.
8737
8738 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8739
8740         PR middle-end/39500
8741         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8742         dependence if the first conflict is after niter iterations.
8743
8744 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8745
8746         PR middle-end/38609
8747         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8748         functions with dynamic stack-pointer adjustments.
8749
8750 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8751
8752         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8753         option; change to -msdata=data.
8754
8755 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8756
8757         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8758         and -fopenmp.
8759
8760 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8761
8762         PR target/35180
8763         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8764
8765 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8766
8767         * doc/invoke.texi (Code Gen Options): Expand discussion of
8768         -fno-common.
8769
8770 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8771
8772         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8773         * matrix-reorg.c (struct matrix_info): Likewise.
8774         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8775         * rtl.h (struct mem_attrs): Likewise.
8776         * df.h (struct df): Likewise.
8777         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8778         * ira-int.h (struct ira_allocno): Likewise.
8779         * df-scan.c (struct df_collection_rec): Likewise.
8780         * ira.c (struct equivalence): Likewise.
8781         * function.c (struct temp_slot): Likewise.
8782         * cfgloop.h (struct loop): Likewise.
8783
8784         PR debug/39485
8785         * function.c (use_register_for_decl): When not optimizing, disregard
8786         register keyword for variables with types containing methods.
8787
8788 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8789
8790         PR middle-end/39447
8791         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8792         (is_simple_operand): Call contains_component_ref_p before calling data
8793         reference analysis that would fail on COMPONENT_REFs.
8794
8795         * tree-vrp.c (search_for_addr_array): Fix formatting.
8796
8797 2009-03-18  Richard Guenther  <rguenther@suse.de>
8798
8799         * tree-vect-transform.c (vect_loop_versioning): Fold the
8800         generated comparisons.
8801         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8802         (slpeel_tree_peel_loop_to_edge): Likewise.
8803
8804 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8805
8806         PR middle-end/37805
8807         * opts.c (print_specific_help): In addition to `undocumented',
8808         accept `separate' and `joined' flags if passed alone.  Describe
8809         output by the first matched one of those.
8810         (common_handle_option): Skip over empty strings.
8811         * gcc.c (display_help): Fix help string for `--help='.
8812         * doc/invoke.texi (Option Summary, Overall Options): With
8813         `--help=', classes and qualifiers can both be repeated, but
8814         only the latter can be negated.  One should not pass only
8815         negated qualifiers.  Fix markup and examples.
8816
8817         Revert
8818         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8819         PR middle-end/37805
8820         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8821         and -fhelp=separate.
8822
8823 2009-03-17  Jing Yu  <jingyu@google.com>
8824
8825         PR middle-end/39378
8826         * function.h (struct rtl_data): Move is_thunk from here...
8827         (struct function): ...to here.
8828         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8829         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8830         cfun.
8831         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8832         cfun.
8833         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8834         (alpha_output_function_end_prologue): Likewise.
8835         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8836         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8837         (rs6000_output_function_epilogue): Likewise.
8838         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8839
8840 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8841
8842         PR target/39482
8843         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8844         from different units in a single alternative.
8845         (*truncdfsf_i387): Ditto.
8846         (*truncxfsf2_mixed): Ditto.
8847         (*truncxfdf2_mixed): Ditto.
8848
8849 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8850
8851         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8852         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8853
8854         PR debug/39474
8855         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8856         unused non-artificial variables when not optimizing.
8857
8858         PR debug/39471
8859         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8860         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8861         NAMESPACE_DECL in its DECL_INITIAL.
8862
8863         PR middle-end/39443
8864         * optabs.c (set_user_assembler_libfunc): New function.
8865         * expr.h (set_user_assembler_libfunc): New prototype.
8866         * c-common.c: Include libfuncs.h.
8867         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8868         for memcmp, memset, memcpy, memmove and abort.
8869         * Makefile.in (c-common.o): Depend on libfuncs.h.
8870
8871         PR debug/39412
8872         * dwarf2out.c (gen_inlined_enumeration_type_die,
8873         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8874         gen_tagged_type_instantiation_die): Removed.
8875         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8876         do nothing.
8877
8878 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8879
8880         PR testsuite/38526
8881         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8882         its use.
8883         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8884         (check-parallel-%): Ditto.
8885         (check-consistency): Ditto.
8886
8887 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8888
8889         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8890         local variable rhs by NULL_TREE.
8891
8892 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8893
8894         PR target/39477
8895         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8896
8897 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8898
8899         PR target/39476
8900         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8901
8902 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8903
8904         PR target/39473
8905         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8906         for ms->sysv ABI calls only in 64bit mode.
8907
8908         * config/i386/i386.md (untyped_call): Support 32bit.
8909
8910 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8911
8912         * doc/extend.texi: Replace x86_65 with x86_64.
8913
8914 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8915
8916         PR tree-optimization/39455
8917         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8918         mismatches for POINTER_TYPE_P (type).
8919         (number_of_iterations_le): Likewise.
8920
8921 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8922
8923         * config/picochip/picochip.c: Removed profiling support.
8924         * config/picochip/picochip.md: Removed profiling instruction.
8925         * config/picochip/picochip.h: Removed profiling builtin.
8926
8927 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8928
8929         * doc/install.texi (--with-host-libstdcxx): Document.
8930
8931 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8932
8933         PR target/34299
8934         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8935         generate a warning if the function name does not begin with
8936         "__vector" and the function has either the 'signal' or 'interrupt'
8937         attribute, from here to ...
8938         (avr_declare_function_name): ...here. New function.
8939         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8940         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8941
8942 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8943
8944         PR bootstrap/39454
8945         * cse.c (fold_rtx): Don't modify original const_arg1 when
8946         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8947         separate variable instead.
8948         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8949         from out of range shift counts.
8950         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8951
8952 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8953
8954         * config/i386/x-mingw32 (host-mingw32.o): Replace
8955         diagnostic.h with $(DIAGNOSTIC_H).
8956
8957 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8958
8959         PR target/39431
8960         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8961         predicate.
8962         * config/i386/sync.md (sync_compare_and_swap<mode>,
8963         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8964         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8965         into a register.
8966         (sync_double_compare_and_swapdi_pic,
8967         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8968         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8969
8970 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8971
8972         PR target/39445
8973         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8974
8975 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8976
8977         PR target/39327
8978         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8979         (avx_addsubv4df3): Likewise.
8980         (*avx_addsubv4sf3): Likewise.
8981         (sse3_addsubv4sf3): Likewise.
8982
8983 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8984
8985         PR target/38824
8986         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8987
8988 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8989
8990         PR debug/39432
8991         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8992         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8993         registers for allocnos created from user-defined variables.
8994
8995 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8996
8997         PR target/39181
8998         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8999         of non-integer mode as well.
9000
9001 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9002
9003         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9004         for functions for which the parameter types are unknown.
9005
9006 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9007
9008         PR target/39137
9009         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9010         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9011         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9012         * config/i386/i386.c (ix86_local_alignment): For
9013         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9014         long long variables on the stack to avoid dynamic realignment.
9015         Allow the first argument to be a decl rather than type.
9016         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9017
9018 2009-03-11  Nick Clifton  <nickc@redhat.com>
9019
9020         PR target/5362
9021         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9022         options.
9023         Add description to mno-lsim option.
9024         * config/mcore/mcore.h: Remove comment about deprecated m4align
9025         option.
9026         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9027         * doc/invoke.texi: Add description of mno-lsim and
9028         mstack-increment options.
9029
9030         * config/fr30/fr30.opt: Document the -mno-lsim option.
9031         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9032         and -mno-lsim options.
9033
9034 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9035
9036         * fold-const.c (fold_comparison): Only call fold_inf_compare
9037         if the mode supports infinities.
9038
9039 2009-03-11  Jason Merrill  <jason@redhat.com>
9040
9041         PR debug/39086
9042         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9043         end already did.  Notice GIMPLE_CALL modifications of the result.
9044         Don't copy debug information from an ignored decl or a decl from
9045         another function.
9046
9047 2009-03-10  Richard Guenther  <rguenther@suse.de>
9048             Nathan Froyd  <froydnj@codesourcery.com>
9049
9050         PR middle-end/37850
9051         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9052         (__divMODE3): Likewise.
9053
9054 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9055
9056         PR tree-optimization/39394
9057         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9058         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9059
9060 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9061
9062         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9063         inline asms for register asm ("") declarations.
9064
9065 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9066
9067         * fold-const.c (fold_unary): Fix comment.
9068
9069 2009-03-07  Jan Hubicka  <jh@suse.cz>
9070
9071         PR target/39361
9072         * tree-inline.c (setup_one_parameter): Do replacement of const
9073         argument by constant in SSA form.
9074
9075 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9076
9077         PR middle-end/38028
9078         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9079         determine alignment passed to assign_stack_local.
9080         (assign_parms_unsplit_complex): Likewise.
9081         * except.c (sjlj_build_landing_pads): Likewise.
9082
9083 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9084
9085         PR middle-end/39360
9086         * tree-flow.h (add_referenced_var): Return bool instead of void.
9087         * tree-dfa.c (add_referenced_var): Return result of
9088         referenced_var_check_and_insert call.
9089         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9090         of referenced_var_check_and_insert.
9091
9092         PR debug/39372
9093         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9094         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9095         DIE, don't emit it if abstract origin already has it.
9096         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9097         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9098
9099 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9100
9101         * genpreds.c (needs_variable): Fix parentheses at variable name
9102         detection.
9103         (write_tm_constrs_h): Indent generated code.
9104
9105 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9106
9107         * doc/extend.texi (Function Attributes): Add documentation
9108         for isr attributes.
9109
9110 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9111
9112         PR debug/39387
9113         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9114         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9115
9116 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9117
9118         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9119         the loop as bad.
9120
9121 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9122
9123         PR debug/39379
9124         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9125         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9126
9127 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9128
9129         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9130         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9131         constants instead of magic numbers.
9132         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9133         (QI_REG_P): Ditto.
9134         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9135         (x86_64_ms_abi_int_parameter_registers): Ditto.
9136         (x86_64_int_return_registers): Ditto.
9137         (ix86_maybe_switch_abi): Ditto.
9138         (ix86_expand_call): Ditto for clobbered_registers array.
9139         (ix86_hard_regno_mode_ok): Ditto.
9140         (x86_extended_QIreg_mentioned_p): Ditto.
9141
9142 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9143
9144         PR tree-optimization/39349
9145         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9146
9147         * combine.c (gen_lowpart_for_combine): Use omode when generating
9148         clobber.
9149
9150 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9151
9152         PR rtl-optimization/39235
9153         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9154
9155 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9156
9157         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9158
9159 2009-03-04  Richard Guenther  <rguenther@suse.de>
9160
9161         PR tree-optimization/39362
9162         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9163         that occur in abnormal PHIs should be varying.
9164
9165 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9166
9167         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9168         Extend comments.
9169         (simple_iv):  Take loop as an argument instead of statement.
9170         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9171         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9172         to simple_iv.
9173         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9174         Ditto.
9175         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9176         * matrix-reorg.c (analyze_transpose): Ditto.
9177         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9178         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9179         * tree-predcom.c (ref_at_iteration): Ditto.
9180         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9181
9182 2009-03-04  Richard Guenther  <rguenther@suse.de>
9183
9184         PR tree-optimization/39358
9185         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9186         escaped_id and callused_id.
9187         (solve_graph): Likewise.
9188
9189 2009-03-04  Richard Guenther  <rguenther@suse.de>
9190
9191         PR tree-optimization/39339
9192         * tree-sra.c (try_instantiate_multiple_fields): Make it
9193         no longer ICE on the above.
9194
9195 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9196
9197         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9198         that fits within Pmode.
9199
9200 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9201
9202         PR middle-end/10109
9203         * tm.texi (LIBCALL_VALUE): Update description.
9204
9205 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9206
9207         PR middle-end/34443
9208         * doc/extend.texi (section): Update description.
9209
9210 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9211
9212         PR middle-end/39345
9213         * tree-inline.c (remapped_type): New.
9214         (can_be_nonlocal): Call remapped_type instead of remap_type.
9215
9216 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9217
9218         PR fortran/39354
9219         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9220         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9221
9222 2009-03-03  Richard Guenther  <rguenther@suse.de>
9223
9224         PR middle-end/39272
9225         * tree.c (tree_nonartificial_location): New function.
9226         * tree.h (tree_nonartificial_location): Declare.
9227         * builtins.c (expand_builtin_memory_chk): Provide location
9228         of the call location for artificial function pieces.
9229         (maybe_emit_chk_warning): Likewise.
9230         (maybe_emit_sprintf_chk_warning): Likewise.
9231         (maybe_emit_free_warning): Likewise.
9232         * expr.c (expand_expr_real_1): Likewise.
9233
9234 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9235
9236         PR tree-optimization/39343
9237         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9238         COMPONENT_REF t has ARRAY_TYPE.
9239
9240 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9241
9242         PR middle-end/39335
9243         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9244         when the type precision of the induction variable should be
9245         larger than the type precision of nit.
9246         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9247         * graphite.c (graphite_loop_normal_form): Same.
9248         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9249
9250 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9251
9252         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9253         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9254         numbers to describe clobbered registers.
9255         (*call_value_0_rex64_ms_sysv): Ditto.
9256         * config/i386/mmx.md (mmx_emms): Ditto.
9257         (mmx_femms): Ditto.
9258
9259 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9260
9261         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9262         of ABI_64.
9263
9264 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9265
9266         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9267         (spu_section_type_flags): New function.
9268
9269 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9270
9271         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9272         reg_class_contents of FLOAT_REGS into a temporary.
9273
9274 2009-03-02  Richard Guenther  <rguenther@suse.de>
9275             Ira Rosen  <irar@il.ibm.com>
9276
9277         PR tree-optimization/39318
9278         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9279         information to the vectorized statement.
9280
9281 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9282
9283         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9284         variable.  Use defined names instead of magic constants for REX SSE
9285         registers.
9286
9287 2009-03-01  Richard Guenther  <rguenther@suse.de>
9288
9289         PR tree-optimization/39331
9290         * omp-low.c (lower_send_shared_vars): Do not receive new
9291         values for the reference of DECL_BY_REFERENCE parms or results.
9292
9293 2009-03-01  Jan Hubicka  <jh@suse.cz>
9294
9295         PR debug/39267
9296         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9297         BLOCK_NONLOCALIZED_VAR): New macros.
9298         (tree_block): Add nonlocalized_vars.
9299         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9300         gen_decl_die): Add origin argument.  Allow generation of die with
9301         origin at hand only.
9302         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9303         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9304         of gen_*.
9305         (gen_block_die): Fix checking for unused blocks.
9306         (process_scope_var): Break out from .... ; work with origins only.
9307         (decls_for_scope) ... here; process nonlocalized list.
9308         (dwarf2out_ignore_block): Look for nonlocalized vars.
9309         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9310         vars.
9311         (dump_scope_block): Dump them.
9312         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9313         (remap_block): Likewise.
9314         (can_be_nonlocal): New predicate.
9315         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9316
9317 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9318
9319         * configure: Regenerate.
9320
9321 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9322
9323         * optc-gen.awk: No need to duplicate option flags twice.
9324         Reuse help texts for duplicate options which do not have any.
9325
9326         * gcc.c (display_help): Document --version.
9327
9328         * gcc.c (main): If print_help_list and verbose_flag, ensure
9329         driver output comes before subprocess output.
9330
9331         * optc-gen.awk: Assign all remaining fields to help string,
9332         space-separated, for multi-line help in *.opt.
9333
9334         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9335         -Wno-pedantic-ms-format is for MinGW targets only.
9336
9337         * doc/options.texi (Option file format): Fix bad indentation,
9338         restoring dropped sentence.
9339
9340 2009-02-28  Jan Hubicka  <jh@suse.cz>
9341
9342         * tree-inline.c (tree_function_versioning): Output debug info.
9343
9344 2009-02-28  Jan Hubicka  <jh@suse.cz>
9345
9346         PR debug/39267
9347         * tree-inline.c (setup_one_parameter): Do not copy propagate
9348         arguments when not optimizing.
9349
9350 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9351
9352         PR target/39327
9353         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9354         (avx_addsubv4df3): Likewise.
9355         (*avx_addsubv4sf3): Likewise.
9356         (sse3_addsubv4sf3): Likewise.
9357         (*avx_addsubv2df3): Likewise.
9358         (sse3_addsubv2df3): Likewise.
9359         (avx_unpckhps256): Correct item selectors.
9360         (avx_unpcklps256): Likewise.
9361         (avx_unpckhpd256): Likewise.
9362         (avx_unpcklpd256): Likewise.
9363
9364 2009-02-28  Jan Hubicka  <jh@suse.cz>
9365
9366         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9367         static vars.
9368         (copy_arguments_for_versioning): If var is declared don't declare it.
9369         (tree_function_versioning): First setup substitutions and then copy
9370         args.
9371
9372 2009-02-27  Jan Hubicka  <jh@suse.cz>
9373
9374         PR debug/39267
9375         * cgraph.h (varpool_output_debug_info): Remove.
9376         * cgraphunit.c (varpool_output_debug_info): Remove.
9377         * dwarf2out.c (deferred_locations_struct): New struct
9378         (deferred_locations): New type.
9379         (deferred_locations_list): New static var.
9380         (deffer_location): New function.
9381         (gen_variable_die): Use it.
9382         (decls_for_scope): Output info on local static vars.
9383         (dwarf2out_finish): Process deferred locations.
9384         * varpool.c (varpool_output_debug_info): Remove.
9385
9386 2009-02-27  Jan Hubicka  <jh@suse.cz>
9387
9388         PR debug/39267
9389         * tree.h (TREE_PROTECTED): Fix comment.
9390         (BLOCK_HANDLER_BLOCK): Remove.
9391         (struct tree_block): Remove handler_block add body_block.
9392         (inlined_function_outer_scope_p): New.
9393         (is_body_block): Remove.
9394         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9395         * dwarf2out.c (is_inlined_entry_point): Remove.
9396         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9397         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9398         code.
9399         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9400         * gimplify.c (gimplify_expr): Gimplify body blocks.
9401         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9402         block with multiple subblocks.
9403         (dump_scope_block): Prettier output; dump more flags and info.
9404         (dump_scope_blocks): New.
9405         (remove_unused_locals): Use dump_scope_blocks.
9406         * tree-flow.h (dump_scope_blocks): Declare.
9407         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9408         * stmt.c (is_body_block): Remove.
9409         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9410         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9411
9412 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9413
9414         PR middle-end/39308
9415         * graphite.c (graphite_loop_normal_form): Do not call
9416         number_of_iterations_exit from a gcc_assert.
9417
9418 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9419
9420         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9421         jumps if COND is NULL.
9422         (find_cond_jump): New function.
9423         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9424         * config/s390/s390.md: Remove z10_cobra attribute value.
9425
9426 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9427
9428         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9429         force_const_mem returns NULL_RTX.
9430
9431 2009-02-26  Jan Hubicka  <jh@suse.cz>
9432
9433         PR debug/39267
9434         * cgraph.h (varpool_output_debug_info): Remove.
9435         * cgraphunit.c (varpool_output_debug_info): Remove.
9436         * dwarf2out.c (deferred_locations_struct): New struct
9437         (deferred_locations): New type.
9438         (deferred_locations_list): New static var.
9439         (deffer_location): New function.
9440         (gen_variable_die): Use it.
9441         (decls_for_scope): Output info on local static vars.
9442         (dwarf2out_finish): Process deferred locations.
9443         * varpool.c (varpool_output_debug_info): Remove.
9444
9445 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9446
9447         PR rtl-optimization/39241
9448         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9449         to subreg_offset_representable_p.
9450
9451 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9452
9453         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9454         execute function prototype.  Get f and nregs from max_reg_num
9455         and get_insns.  Remove the first backward pass as it's dead,
9456         guard the forward pass by flag_expensive_optimizations.
9457         (rest_of_handle_regmove): Delete.
9458         (pass_regmove): Replace it with regmove_optimize.
9459
9460 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9461
9462         PR tree-optimization/39259
9463         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9464         calls_alloca function flags.
9465         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9466         calls are detected.
9467
9468 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9469
9470         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9471         flags_set_1_rtx, flags_set_1_set): Delete.
9472         (regmove_optimize): Do not call mark_flags_life_zones.
9473
9474 2009-02-24  Julian Brown  <julian@codesourcery.com>
9475
9476         PR target/35965
9477         * config/arm/arm.c (require_pic_register): Only set
9478         cfun->machine->pic_reg once per function.
9479
9480 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9481
9482         * doc/invoke.texi (Link Options): Document an easier way to pass
9483         options that take arguments to the GNU linker using -Xlinker and -Wl.
9484
9485 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9486
9487         PR target/33785
9488         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9489
9490 2009-02-24  Richard Guenther  <rguenther@suse.de>
9491
9492         PR debug/39285
9493         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9494
9495 2009-02-24  Richard Guenther  <rguenther@suse.de>
9496             Zdenek Dvorak  <ook@ucw.cz>
9497
9498         PR tree-optimization/39233
9499         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9500         from converting them to a generic type.
9501
9502 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9503
9504         PR tree-optimization/39260
9505         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9506         contains a condition with a real type.
9507         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9508
9509 2009-02-23  Jason Merrill  <jason@redhat.com>
9510
9511         PR c++/38880
9512         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9513         narrowing_initializer_constant_valid_p.
9514         (narrowing_initializer_constant_valid_p): Don't return
9515         null_pointer_node for adding a pointer to itself.
9516
9517 2009-02-23  Jan Hubicka  <jh@suse.cz>
9518
9519         PR c/12245
9520         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9521         resizing.
9522
9523 2009-02-23  Jan Hubicka  <jh@suse.cz>
9524
9525         PR tree-optimization/37709
9526         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9527         * tree.h (block_ultimate_origin): Declare.
9528         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9529         * tree-ssa-live.c (remove_unused_scope_block_p):
9530         Eliminate blocks containig no instructions nor live variables nor
9531         nested blocks.
9532         (dump_scope_block): New function.
9533         (remove_unused_locals): Enable removal of dead blocks by default;
9534         enable dumping at TDF_DETAILS.
9535
9536 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9537
9538         * config/i386/i386.c (classify_argument): Don't allow COImode
9539         and OImode.
9540         (function_arg_advance_32): Don't allow OImode.
9541         (function_arg_32): Likewise.
9542         (function_value_32): Likewise.
9543         (return_in_memory_32): Likewise.
9544         (function_arg_64): Remove OImode comment.
9545
9546 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9547
9548         PR target/39261
9549         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9550         ix86_expand_vector_set for V4DImode in 64bit mode only.
9551         (ix86_expand_vector_init_one_var): Likewise.
9552
9553 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9554
9555         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9556
9557 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9558
9559         PR bootstrap/39257
9560         * loop-iv.c: Revert last change.
9561         * emit-rtl.c: Likewise.
9562
9563 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9564
9565         PR target/39256
9566         * config/i386/i386.c (type_natural_mode): Remove an extra
9567         space in the warning message.
9568         (function_value_32): Handle 32-byte vector modes.
9569         (return_in_memory_32): Likewise.
9570
9571 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9572
9573         * loop-iv.c (truncate_value): New function.
9574         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9575         of lowpart_subreg.
9576         (lowpart_subreg): Move to...
9577         * emit-rtl.c: ...here.
9578
9579 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9580
9581         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9582         accidental and undocumented change at revision 140860.
9583
9584 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9585
9586         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9587         take gimple_seq * arguments.
9588         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9589         types_compatible_p langhook.
9590
9591 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9592             Joseph Myers  <joseph@codesourcery.com>
9593
9594         * config/arm/arm.c (arm_builtin_va_list): New function.
9595         (arm_expand_builtin_va_start): Likewise.
9596         (arm_gimplify_va_arg_expr): Likewise.
9597         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9598         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9599         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9600         (va_list_type): New variable.
9601         (arm_mangle_type): Mangle va_list_type appropriately.
9602
9603 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9604
9605         PR middle-end/39157
9606         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9607         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9608         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9609         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9610         parameter to 1000 for -O1 by default.
9611         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9612         parameter.
9613         * loop-invariant.c: Include params.h.
9614         (move_loop_invariants): Don't call move_single_loop_invariants on
9615         very large loops.
9616
9617 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9618
9619         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9620         offset when calculating bounds for indexing stack_usage_map.  Fixes
9621         a buffer overflow with certain target setups.
9622
9623 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9624
9625         PR target/39240
9626         * calls.c (expand_call): Clear try_tail_call if caller and callee
9627         disagree in promotion of function return value.
9628
9629 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9630
9631         PR target/39175
9632         * c-common.c (c_determine_visibility): If visibility changed and
9633         DECL_RTL has been already set, call make_decl_rtl to update symbol
9634         flags.
9635
9636 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9637
9638         PR c++/39188
9639         * varasm.c (assemble_variable): Don't check DECL_NAME when
9640         globalizing a variable.
9641
9642 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9643
9644         PR c/38483
9645         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9646         expression before any __builtin_trap call.
9647         * c-typeck.c (build_function_call): Convert and check function
9648         arguments before generating a call to a trap.  Evaluate the
9649         function arguments before the trap.
9650
9651 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9652
9653         PR target/39228
9654         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9655         (UNSPEC_FXAM_MEM): New unspec.
9656         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9657         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9658         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9659
9660 2009-02-19  Richard Guenther  <rguenther@suse.de>
9661
9662         PR tree-optimization/39207
9663         PR tree-optimization/39074
9664         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9665         storedanything_tree): New.
9666         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9667         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9668         (build_succ_graph): Add edges from STOREDANYTHING to all
9669         non-direct nodes.
9670         (init_base_vars): Initialize STOREDANYTHING.
9671         (compute_points_to_sets): Free substitution info after
9672         building the succ graph.
9673         (ipa_pta_execute): Likewise.
9674
9675         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9676         field.
9677         (do_ds_constraint): Do not add to special var or non-pointer
9678         field solutions.
9679         (type_could_have_pointers): Split out from ...
9680         (could_have_pointers): ... here.  For arrays use the element type.
9681         (create_variable_info_for): Initialize may_have_pointers.
9682         (new_var_info): Likewise.
9683         (handle_lhs_call): Make the HEAP variable unknown-sized.
9684         (intra_create_variable_infos): Use a type with pointers for
9685         PARM_NOALIAS, make it unknown-sized.
9686
9687 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9688
9689         PR target/39224
9690         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9691
9692 2009-02-18  Jason Merrill  <jason@redhat.com>
9693
9694         PR target/39179
9695         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9696         value if DECL_EXTERNAL.
9697         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9698         * target.h (gcc_target::binds_local_p): Clarify "module".
9699         * tree.h (TREE_PUBLIC): Clarify "module".
9700
9701 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9702
9703         PR target/38891
9704         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9705         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9706
9707 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9708
9709         PR target/39082
9710         * c.opt (Wabi): Support C and ObjC.
9711         (Wpsabi): New.
9712
9713         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9714
9715         * config/i386/i386.c (classify_argument): Warn once about the ABI
9716         change when passing union with long double.
9717
9718         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9719
9720 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9721
9722         PR c/35447
9723         * c-parser.c (c_parser_compound_statement): Always enter and leave
9724         a scope.
9725
9726 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9727
9728         PR target/34587
9729         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9730
9731 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9732
9733         PR tree-optimization/36922
9734         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9735         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9736         Likewise.
9737
9738 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9739
9740         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9741         to 0 for EABI64.
9742
9743 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9744
9745         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9746
9747 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9748
9749         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9750         tree sharing.
9751
9752 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9753             Richard Sandiford  <rdsandiford@googlemail.com>
9754
9755         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9756         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9757         (loongson_biadd): ...this.
9758
9759 2009-02-17  Richard Guenther  <rguenther@suse.de>
9760
9761         PR tree-optimization/39202
9762         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9763         a var make sure to follow existing collapses.
9764
9765 2009-02-17  Richard Guenther  <rguenther@suse.de>
9766
9767         PR middle-end/39214
9768         * langhooks.c (lhd_print_error_function): Check for NULL block.
9769
9770 2009-02-17  Richard Guenther  <rguenther@suse.de>
9771
9772         PR tree-optimization/39204
9773         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9774         of the PHI arg.
9775
9776 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9777
9778         * config/soft-fp/double.h: Update from glibc CVS.
9779
9780 2009-02-17  Richard Guenther  <rguenther@suse.de>
9781
9782         PR tree-optimization/39207
9783         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9784         strict-aliasing warnings for pointers pointing to NULL.
9785
9786 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9787
9788         PR c/35446
9789         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9790         skipping until next close brace.
9791
9792 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9793
9794         PR target/37049
9795         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9796         to function argument boundary.
9797
9798 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9799
9800         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9801         in the lea_add. Reload eventually constraints it properly.
9802         * config/picochip/constraints.md: Remove the target constraint
9803         "b", since it is not needed anymore.
9804
9805 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9806
9807         * gthr-dce.h: Uglify function parameter and local variable names.
9808         * gthr-gnat.h: Likewise.
9809         * gthr-mipssde.h: Likewise.
9810         * gthr-nks.h: Likewise.
9811         * gthr-posix95.h: Likewise.
9812         * gthr-posix.h: Likewise.
9813         * gthr-rtems.h: Likewise.
9814         * gthr-single.h: Likewise.
9815         * gthr-solaris.h: Likewise.
9816         * gthr-tpf.h: Likewise.
9817         * gthr-vxworks.h: Likewise.
9818         * gthr-win32.h: Likewise.
9819
9820 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9821
9822         PR target/39196
9823         * config/i386/i386.md: Restrict the new peephole2 to move
9824         between MMX/SSE registers.
9825
9826 2009-02-15  Richard Guenther  <rguenther@suse.de>
9827
9828         Revert
9829         2009-02-13  Richard Guenther  <rguenther@suse.de>
9830
9831         * configure.ac: Enable LFS.
9832         * configure: Re-generate.
9833         * config.in: Likewise.
9834
9835 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9836
9837         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9838         spu_srqwbyte, spu_srqwbytebc): Define.
9839         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9840         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9841         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9842         "shrqby_<mode>"): New insn-and-split patterns.
9843         * config/spu/spu.c (expand_builtin_args): Determine and return
9844         number of operands using spu_builtin_description data.
9845         (spu_expand_builtin_1): Use it.
9846
9847 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9848
9849         PR target/38056
9850         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9851         TARGET_CONST_GP.
9852
9853 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9854
9855         PR target/39149
9856         * config/i386/i386.c (override_options): Correct warning
9857         messages for -malign-loops, -malign-jumps and -malign-functions.
9858
9859 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9860
9861         PR target/39152
9862         * config/i386/i386.md: Restrict the new peephole2 to move
9863         between the general purpose registers.
9864
9865 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9866
9867         PR target/39162
9868         * config/i386/i386.c (type_natural_mode): Add a new argument.
9869         Return the original mode and warn ABI change if vector size is 32byte.
9870         (function_arg_advance): Updated.
9871         (function_arg): Likewise.
9872         (ix86_function_value): Likewise.
9873         (ix86_return_in_memory): Likewise.
9874         (ix86_sol10_return_in_memory): Likewise.
9875         (ix86_gimplify_va_arg): Likewise.
9876         (function_arg_32): Don't warn ABX ABI change here.
9877         (function_arg_64): Likewise.
9878
9879 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9880
9881         * loop-iv.c (implies_p): In the final case, test that operands 0
9882         of the two comparisons match.
9883
9884         * config/bfin/bfin.c (find_prev_insn_start): New function.
9885         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9886         (find_next_insn_start): Move.
9887
9888 2009-02-13  Richard Guenther  <rguenther@suse.de>
9889
9890         * configure.ac: Enable LFS.
9891         * configure: Re-generate.
9892         * config.in: Likewise.
9893
9894 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9895
9896         PR c/35444
9897         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9898         sizes on syntax error after some arguments have been parsed.
9899
9900 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9901
9902         * doc/invoke.texi (-fira): Remove.
9903
9904 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9905
9906         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9907         * recog.c: Likewise.
9908         * rtl.h: Likewise.
9909
9910 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9911
9912         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9913         (umul_ppmm): Likewise.
9914         (count_leading_zeros): Likewise.
9915         (count_trailing_zeros): Likewise.
9916         (UMUL_TIME): Likewise.
9917
9918 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9919
9920         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9921         soft-fp/t-softfp to tmake_file.
9922
9923         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9924         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9925         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9926         IA64_BUILTIN_INFQ]: New.
9927         (ia64_init_builtins): Initialize __builtin_infq,
9928         __builtin_fabsq and __builtin_copysignq if not HPUX.
9929         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9930         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9931
9932         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9933         SHARED is defined.
9934         (__fixtfti): Likewise.
9935         (__fixunstfti): Likewise.
9936         (__floattitf): Likewise.
9937
9938         * config/ia64/libgcc-glibc.ver: New.
9939         * config/ia64/t-fprules-softfp: Likewise.
9940         * config/ia64/sfp-machine.h: Likewise.
9941
9942         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9943         (LIBGCC2_TF_CEXT): Likewise.
9944         (TF_SIZE): Likewise.
9945         (TARGET_INIT_LIBFUNCS): Likewise.
9946
9947         * config/ia64/t-glibc (SHLINB_MAPFILES):
9948         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9949
9950 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9951
9952         * config/i386/i386.c (construct_container): Rewrite processing
9953         BLKmode with X86_64_SSE_CLASS.
9954
9955 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9956
9957         PR target/39152
9958         * config/i386/i386.md: Replace simplify_replace_rtx with
9959         replace_rtx in the new peephole2.
9960
9961 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9962
9963         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9964         loop unrolling do not happen at -O2.
9965
9966 2009-02-12  Michael Matz  <matz@suse.de>
9967
9968         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9969
9970 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9971
9972         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9973         for -g3.
9974
9975 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9976
9977         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9978         patterns when updating the back chain.  Missed in the 2009-02-10
9979         change.
9980
9981 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9982
9983         * doc/extend.texi (Decimal Floating Types): Update identifier of
9984         draft TR and list of missing support.
9985
9986 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9987
9988         PR middle-end/39154
9989         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9990         bit to variable length decl's flags, add it also to its
9991         pointer replacement variable.
9992
9993 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9994             Jakub Jelinek  <jakub@redhat.com>
9995
9996         PR target/39118
9997         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9998         (memory_blockage): New expander.
9999         (*memory_blockage): New insn pattern.
10000         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10001         instead of general blockage at the end of function prologue when
10002         frame pointer is used to access red zone area.  Do not emit blockage
10003         when profiling, it is emitted in generic code.
10004         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10005         function epilogue when frame pointer is used to access red zone area.
10006
10007 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10008
10009         PR target/38824
10010         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10011         by arithmetic with memory operands.
10012         * config/i386/predicates.md (commutative_operator): New.
10013
10014 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10015
10016         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10017         bulleted lists.
10018
10019 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10020
10021         * alias.h (record_alias_subset): Declare.
10022         * alias.c (record_alias_subset): Make global.
10023
10024 2009-02-10  Nick Clifton  <nickc@redhat.com>
10025
10026         * tree-parloops.c: Change license to GPLv3.
10027         * ipa-struct-reorg.c: Change license to GPLv3.
10028         * ipa-struct-reorg.h: Change license to GPLv3.
10029
10030 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10031
10032         PR c/39084
10033         * c-decl.c (start_struct): Return NULL on error.
10034
10035 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10036
10037         PR middle-end/39124
10038         * cfgloopmanip.c (remove_path): Call remove_bbs after
10039         cancel_loop_tree, not before it.
10040
10041         PR target/39139
10042         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10043         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10044         VAR_DECLs were seen.
10045         * tree-ssa-live.c (remove_unused_locals): Recompute
10046         cfun->has_local_explicit_reg_vars.
10047         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10048         copies or clearings if cfun->has_local_explicit_reg_vars.
10049
10050 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10051
10052         PR target/39118
10053         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10054         of function prologue when frame pointer is used to access
10055         red zone area.
10056
10057 2009-02-10  Richard Guenther  <rguenther@suse.de>
10058
10059         PR middle-end/39127
10060         * gimplify.c (gimple_regimplify_operands): Always look if
10061         we need to create a temporary.
10062
10063 2009-02-10  Richard Guenther  <rguenther@suse.de>
10064
10065         PR tree-optimization/39132
10066         * tree-loop-distribution.c (todo): New global var.
10067         (generate_memset_zero): Trigger TODO_rebuild_alias.
10068         (tree_loop_distribution): Return todo.
10069
10070 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10071
10072         PR target/39119
10073         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10074         (x86_64_reg_class_name): Removed.
10075         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10076         first one isn't X86_64_SSE_CLASS or any other ones aren't
10077         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10078         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10079         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10080         and 3 X86_64_SSEUP_CLASS.
10081         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10082         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10083
10084 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10085
10086         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10087         form instruction to update the stack back chain word, even if the
10088         user has disabled the generation of update instructions.
10089         (movdi_<mode>_update_stack): New.
10090         (movsi_update_stack): Likewise.
10091         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10092         always use an update form instruction to update the stack back
10093         chain word.
10094
10095 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10096
10097         PR middle-end/38953
10098         * graphite.c (if_region_set_false_region): After moving a region in
10099         the false branch of a condition, remove the empty dummy basic block.
10100         (gloog): Remove wrong fix for PR38953.
10101
10102 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10103
10104         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10105         generation due to implicit sign extension.
10106
10107 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10108
10109         PR middle-end/38981
10110         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10111         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10112
10113 2009-02-09  Richard Guenther  <rguenther@suse.de>
10114
10115         PR middle-end/35202
10116         * convert.c (convert_to_real): Disable (float)fn((double)x)
10117         to fnf(x) conversion if errno differences may occur and
10118         -fmath-errno is set.
10119
10120 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10121
10122         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10123         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10124         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10125
10126 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10127
10128         PR c/35434
10129         * c-common.c (handle_alias_attribute): Disallow attribute for
10130         anything not a FUNCTION_DECL or VAR_DECL.
10131
10132 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10133
10134         PR c/39035
10135         * real.c (do_compare): Special-case compare of zero against
10136         decimal float value.
10137
10138 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10139
10140         PR c/36432
10141         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10142         as indicating flexible array members unless the field itself is
10143         being declarared as the incomplete array.
10144
10145 2009-02-06  Jan Hubicka  <jh@suse.cz>
10146
10147         PR tree-optimization/38844
10148         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10149         is already inlined.
10150
10151 2009-02-06  Richard Guenther  <rguenther@suse.de>
10152
10153         PR middle-end/38977
10154         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10155         fork because we may expand it as __gcov_fork.
10156
10157 2009-02-06  Nick Clifton  <nickc@redhat.com>
10158
10159         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10160
10161 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10162
10163         PR tree-optimization/35659
10164         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10165         vn_phi_eq): Shortcut if hashcode does not match.
10166         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10167         NULL operands.
10168         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10169         and avoid iterative_hash_expr.
10170         (FOR_EACH_VALUE_ID_IN_SET): New.
10171         (value_id_compare): Remove.
10172         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10173         sort expressions by value id.
10174
10175 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10176
10177         PR target/38991
10178         * config/sh/predicates.md (general_movsrc_operand): Don't check
10179         the subreg of system registers here.
10180
10181 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10182
10183         PR c++/39106
10184         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10185         on the copied decl.
10186
10187 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10188
10189         PR rtl-optimization/39110
10190         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10191         addresses, not aligned ones.
10192
10193 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10194             Richard Guenther  <rguenther@suse.de>
10195
10196         PR tree-optimization/39100
10197         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10198         comment says and add edges.
10199
10200 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10201
10202         PR c/35435
10203         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10204         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10205
10206 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10207
10208         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10209         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10210         register_bb_in_sese, new_sese, free_sese): Moved.
10211         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10212         outermost_loop_in_scop, build_scop_iteration_domain,
10213         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10214         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10215         Use loop_in_sese_p instead of loop_in_scop_p.
10216         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10217         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10218         (scopdet_basic_block_info): Fix bug in scop detection.
10219         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10220         eq_loop_to_cloog_loop): Remove.
10221         (nb_loops_around_loop_in_scop, nb_loop
10222         ref_nb_loops): Moved here...
10223         * graphite.h (ref_nb_loops): ... from here.
10224         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10225         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10226         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10227         * testsuite/gcc.dg/graphite/scop-19.c: New
10228
10229 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10230             Hans-Peter Nilsson  <hp@axis.com>
10231
10232         PR rtl-optimization/37889
10233         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10234         Move offset handling from PLUS to before the switch.  Use new
10235         arguments when considering SYMBOL_REFs too.
10236         (rtx_addr_can_trap_p): Pass dummy offset and size.
10237         (enum may_trap_p_flags): Remove.
10238         (may_trap_p_1): Pass size from MEM_SIZE.
10239
10240         PR rtl-optimization/38921
10241         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10242         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10243         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10244         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10245
10246 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10247
10248         AVX Programming Reference (January, 2009)
10249         * config/i386/sse.md (*vpclmulqdq): New.
10250
10251 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10252
10253         PR tree-optimization/38977
10254         PR gcov-profile/38292
10255         * calls.c (special_function_p): Disregard __builtin_ prefix.
10256
10257 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10258
10259         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10260         non-indexable addresses even before reload.
10261
10262 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10263
10264         PR c/29129
10265         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10266         as having variable size.  Do not give an error for unnamed
10267         parameters with [*] declarators.  Give a warning for type names
10268         with [*] declarators and mark them as variable size.
10269         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10270         for sizeof applied to [*] type names.
10271
10272 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10273
10274         PR C++/36607
10275         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10276
10277 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10278
10279         * gcc.c (process_command): Update copyright notice dates.
10280         * gcov.c (print_version): Likewise.
10281         * gcov-dump.c (print_version): Likewise.
10282         * mips-tfile.c (main): Likewise.
10283         * mips-tdump.c (main): Likewise.
10284
10285 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10286
10287         PR c/35433
10288         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10289         for composite type involving a zero-length array type.
10290
10291 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10292
10293         PR target/35318
10294         * function.c (match_asm_constraints_1): Skip over
10295         initial optional % in the constraint.
10296
10297         PR inline-asm/39059
10298         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10299         supported, don't accept FIXED_CSTs.
10300         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10301         and _Sat is used without _Fract/_Accum.  Set specs->type to
10302         integer_type_node for cts_fract/cts_accum if fixed point is not
10303         supported.
10304
10305 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10306
10307         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10308
10309 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10310
10311         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10312         (ABI_HAS_64BIT_SYMBOLS): Use it.
10313         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10314
10315 2009-02-02  Paul Brook  <paul@codesourcery.com>
10316
10317         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10318
10319 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10320
10321         PR inline-asm/39058
10322         * recog.h (asm_operand_ok): Add constraints argument.
10323         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10324         recurse on matching constraint.
10325         (check_asm_operands): Pass constraints as 3rd argument to
10326         asm_operand_ok.  Don't look up matching constraint here.
10327         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10328         to asm_operand_ok.
10329
10330 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10331
10332         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10333         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10334
10335 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10336
10337         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10338         information.  Remove some obsolete information.  Reorganize.
10339
10340         * config/pa/fptr.c: Revert license to GPL 2.
10341         * config/pa/milli64.S: Likewise.
10342
10343 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10344
10345         PR target/38904
10346         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10347         LIBRARY name in, instead of hard-coding it.
10348         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10349         extra target make frag to tmake_files according to EH model.
10350         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10351         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10352         frags that define makefile variable EH_MODEL appropriately.
10353         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10354         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10355         to "-sjlj" according to type of EH configured.
10356         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10357         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10358         to "_sjlj" according to type of EH configured.
10359         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10360         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10361         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10362         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10363         string value of "pe_dll" command-line option.
10364         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10365         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10366         (SHLIB_IMPLIB):  Override t-cygming default.
10367         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10368         string value of "pe_dll" command-line option.
10369
10370 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10371
10372         PR target/38952
10373         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10374         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10375
10376 2009-01-31  Richard Guenther  <rguenther@suse.de>
10377
10378         PR tree-optimization/38937
10379         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10380         computing the transitive closure.
10381
10382 2009-01-30  Richard Guenther  <rguenther@suse.de>
10383
10384         PR tree-optimization/39041
10385         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10386         Propagate variable indices only if the types match for this stmt.
10387
10388 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10389
10390         PR target/39013
10391         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10392         inline but never defined.
10393
10394 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10395
10396         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10397         (*insv_h_di_reg_extimm): New insn.
10398         (*insv_l<mode>_reg_extimm): New insn.
10399
10400 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10401
10402         * config/picochip/picochip.c (flag_conserve_stack): set
10403         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10404         fconserve-stack. Reduce call-overhead used by inliner.
10405
10406 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10407
10408         PR/38157
10409         * common.opt (flag_conserve_stack): Initialised to zero.
10410
10411 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10412
10413         PR/39002
10414         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10415         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10416         method.
10417
10418 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10419
10420         * ira-color.c (allocno_reload_assign): Update comments.
10421         * regmove.c (regmove_optimize): Likewise.
10422
10423         * ra.h: Removed.
10424
10425 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10426
10427         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10428         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10429         `MD_UNWIND_SUPPORT'.
10430         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10431
10432 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10433
10434         PR tree-optimization/39007
10435         * tree-loop-distribution.c (generate_builtin): Use
10436         recompute_dominator to compute the immediate dominator of the
10437         basic block just after the loop.
10438
10439 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10440
10441         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10442         (ASM_OUTPUT_DWARF_PCREL): Define.
10443
10444 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10445
10446         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10447         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10448         global.  Modify entries about regmove and IRA.
10449
10450         * ra-conflict.c: Remove the file.
10451
10452         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10453
10454         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10455         (pass_regclass_init): Rename to pass_reginfo_init.
10456
10457         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10458
10459         * toplev.h (flag_ira): Remove.
10460
10461         * caller-save.c (setup_save_areas): Remove flag_ira.
10462
10463         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10464
10465         * global.c: Remove the file.
10466
10467         * opts.c (decode_options): Remove flag_ira.
10468
10469         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10470
10471         * regmove.c: Modify file description.
10472         (find_use_as_address, try_auto_increment): Define them only if
10473         AUTO_INC_DEC is defined.
10474         (replacement_quality, replace_in_call_usage, fixup_match_1,
10475         stable_and_no_regs_but_for_p): Remove.
10476         (reg_set_in_bb): Make it static.
10477         (regmove_optimize): Remove flag_ira and code which worked for
10478         !flag_ira.
10479
10480         * local-alloc.c: Remove the file.
10481
10482         * common.opt (fira): Remove.
10483
10484         * ira.c: Include except.h.
10485         (eliminable_regset): Move from global.c.
10486         (mark_elimination): Ditto.  Remove flag_ira.
10487         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10488         equiv_mem_modified, validate_equiv_mem_from_store,
10489         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10490         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10491         no_equiv, recorded_label_ref): Move from local-alloc.c.
10492         (update_equiv_regs): Ditto.  Make it static.
10493         (print_insn_chain, print_insn_chains): Move it from global.c.
10494         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10495         (build_insn_chain): Ditto.  Make it static.
10496         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10497         Rename to init_live_subregs.
10498         (gate_ira): Remove flag_ira.
10499
10500         * regclass.c: Rename reginfo.c.  Change file description.
10501         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10502         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10503         (init_reg_sets_1): Remove code for evaluation of
10504         reg_class_superclasses and losing_caller_save_reg_set.
10505         (init_regs): Remove init_reg_autoinc.
10506         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10507         ok_for_base_p_nonstrict): Remove.
10508         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10509         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10510         corresponding entries.
10511         (dump_regclass, record_operand_costs, scan_one_insn,
10512         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10513         record_address_regs, auto_inc_dec_reg_p): Remove.
10514         (gt-regclass.h): Rename to gt-reginfo.h.
10515
10516         * rtl.h (dump_global_regs, retry_global_alloc,
10517         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10518
10519         * Makefile.in (RA_H): Remove.
10520         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10521         Rename regclass.o to reginfo.o.
10522         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10523         gt-reginfo.h.
10524         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10525         (GTFILES): Rename regclass.c to reginfo.c.
10526
10527         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10528         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10529
10530         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10531         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10532         Remove flag_ira.
10533         (finish_spills): Ditto.  Remove code for !flag_ira.
10534
10535 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10536
10537         PR middle-end/35854
10538         * doc/invoke.texi (rtl debug options): Complete rewrite.
10539         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10540         to auto_inc_dec".
10541         * mode-switching.c (pass_mode_switching): Rename pass from
10542         "mode-sw" to "mode_sw".
10543         * except.c (pass_convert_to_eh_ranges): Rename pass from
10544         "eh-ranges" to "eh_ranges".
10545         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10546         to "subreg1".
10547
10548
10549 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10550             Alexander Monakov  <amonakov@ispras.ru>
10551
10552         PR middle-end/38857
10553         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10554         register.
10555         (move_exprs_to_boundary): Change return type and pass through
10556         should_move from move_op.  Relax assert.  Update usage ...
10557         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10558         cant_move.
10559         (move_op_orig_expr_found): Indicate that insn was disconnected from
10560         stream.
10561         (code_motion_process_successors): Do not call after_merge_succs
10562         callback if original expression was not found when traversing any of
10563         the branches.
10564         (code_motion_path_driver): Change return type.  Update prototype.
10565         (move_op): Update comment.  Add a new parameter (should_move).  Update
10566         prototype.  Set *should_move based on indication provided by
10567         move_op_orig_expr_found.
10568
10569 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10570
10571         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10572         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10573         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10574         * config/rs6000/rs6000.c (rs6000_override_options): Default
10575         avoid-indexed-addresses on for Power6, off for everything else.
10576         (avoiding_indexed_address_p): New function.
10577         (rs6000_legitimize_address): Use it.
10578         (rs6000_legitimate_address): Likewise.
10579         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10580
10581 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10582
10583         PR tree-optimization/38997
10584         * tree-loop-distribution.c (generate_memset_zero): Use
10585         POINTER_PLUS_EXPR for a pointer addition.
10586
10587 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10588
10589         * config/s390/s390.md (bswap<mode>2): New pattern added.
10590
10591 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10592
10593         * config/s390/s390.md (*tls_load_31): Added type attribute.
10594
10595 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10596
10597         * config/s390/s390.md: Fix a few comments.
10598
10599 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10600
10601         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10602         (*tm<mode>_full): Fixed z10prop attribute.
10603         (*tst<mode>_extimm): Fixed z10prop attribute.
10604         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10605         (*tstqiCCT_cconly): Fixed z10prop attribute.
10606         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10607         (*movsi_larl): Fixed z10prop attribute.
10608         (*movsi_zarch): Fixed z10prop attribute.
10609         (*movsi_eas): Fixed z10prop attribute.
10610         (*movhi): Fixed z10prop attribute.
10611         (*movqi): Fixed z10prop attribute.
10612         (*movstrictqi): Fixed z10prop attribute.
10613         (*mov<mode>): Fixed z10prop attribute.
10614         (*movcc): Fixed z10prop attribute.
10615         (*sethighpartdi_64): Fixed z10prop attribute.
10616         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10617         (*negdi2_sign_cc): Fixed z10prop attribute.
10618         (*negdi2_sign): Fixed z10prop attribute.
10619         (*absdi2_sign_cc): Fixed z10prop attribute.
10620         (*absdi2_sign): Fixed z10prop attribute.
10621         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10622         (*negabsdi2_sign): Fixed z10prop attribute.
10623         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10624         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10625         (doloop_si64): Fixed z10prop attribute.
10626         (doloop_si31): Fixed z10prop attribute.
10627         (doloop_long): Fixed z10prop attribute.
10628         (indirect_jump): Fixed z10prop attribute.
10629         (nop): Fixed z10prop attribute.
10630         (main_base_64): Fixed z10prop attribute.
10631         (reload_base_64): Fixed z10prop attribute.
10632
10633 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10634
10635         PR rtl-optimization/38740
10636         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10637         if !optimize.
10638         * config/mips/mips.c (mips_reorg): Likewise.
10639
10640 2009-01-28  Richard Guenther  <rguenther@suse.de>
10641
10642         PR tree-optimization/38926
10643         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10644         with the correct value id to a value.
10645         (do_regular_insertion): Use the value number of edoubleprime
10646         for the value number of the expr.
10647
10648         Revert
10649         2008-08-21  Richard Guenther  <rguenther@suse.de>
10650
10651         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10652         a PHI ask VN if it is already available.
10653         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10654         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10655
10656 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10657
10658         PR middle-end/38934
10659         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10660         set to varying whenever max has TREE_OVERFLOW set, similarly
10661         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10662
10663 2009-01-28  Richard Guenther  <rguenther@suse.de>
10664
10665         PR middle-end/38908
10666         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10667         uninitialized aggregate uses in call arguments.
10668
10669 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10670
10671         PR tree-optimization/38984
10672         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10673         the nothing_id variable if -fno-delete-null-pointer-checks.
10674
10675 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10676
10677         PR target/38988
10678         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10679         (set_got_offset_rex64): Ditto.
10680
10681 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10682
10683         PR target/38941
10684         * doc/extend.texi: Improve local variable with asm reg.
10685
10686 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10687
10688         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10689         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10690         was not supplied then set warn_packed_bitfield_compat to the
10691         default value of 1.
10692         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10693         against 1.
10694
10695 2009-01-27  Richard Guenther  <rguenther@suse.de>
10696
10697         PR tree-optimization/38503
10698         * cfgexpand.c (expand_gimple_basic_block): Ignore
10699         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10700         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10701         variables that cannot have TBAA applied.
10702         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10703         statements.
10704
10705 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10706
10707         PR middle-end/38969
10708         * calls.c (initialize_argument_information): Do not wrap complex
10709         arguments in SAVE_EXPR.
10710
10711 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10712
10713         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10714         (INSTALL_LIBGCC): Revert typo commit.
10715
10716 2009-01-26  Richard Guenther  <rguenther@suse.de>
10717
10718         PR tree-optimization/38745
10719         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10720         from special handling.
10721
10722 2009-01-26  Richard Guenther  <rguenther@suse.de>
10723
10724         PR tree-optimization/38745
10725         * tree-ssa.c (execute_update_addresses_taken): Do not include
10726         variables that cannot possibly be a register in not_reg_needs.
10727         Do not clear TREE_ADDRESSABLE on vars that may not become
10728         registers.
10729         * tree-ssa.c (update_alias_info_1): Include those in the set
10730         of addressable vars.
10731
10732 2009-01-26  Richard Guenther  <rguenther@suse.de>
10733
10734         PR middle-end/38851
10735         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10736         * tree-ssa-dse.c: Include langhooks.h
10737         (execute_simple_dse): Remove stores with zero size.
10738
10739 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10740
10741         PR c/38957
10742         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10743         as PLUS_EXPR.
10744
10745 2009-01-24  Julian Brown  <julian@codesourcery.com>
10746
10747         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10748         config/arm/linux-atomic.c.
10749         * config/arm/linux-atomic.c: New.
10750
10751 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10752
10753         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10754         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10755         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10756
10757 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10758
10759         PR c/38938
10760         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10761         properly.
10762
10763 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10764
10765         PR tree-optimization/38953
10766         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10767         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10768         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10769         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10770         changed the CFG.
10771
10772 2009-01-24  Paul Brook  <paul@codesourcery.com>
10773
10774         * config/arm/neon.md (neon_type): Move to arm.md.
10775         (neon_mov<VSTRUCT>): Add neon_type attribute.
10776         * config/arm/arm.md (neon_type): Move to here.
10777         (conds): Add "unconditioal" and use as default for NEON insns.
10778
10779 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10780
10781         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10782         void *' warning from -Wc++-compat.
10783         * Makefile.in (dominance.o-warn): Remove.
10784
10785 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10786
10787         PR tree-optimization/38932
10788         * fold-const.c (fold_unary_ignore_overflow): New.
10789         * tree.h (fold_unary_ignore_overflow): Declare.
10790         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10791         * tree-ssa-sccvn.c (visit_reference_op_load,
10792         simplify_unary_expression): Likewise.
10793
10794 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10795
10796         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10797         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10798         regardless of their type.
10799         * c-common.c (handle_packed_attribute): Don't ignore packed on
10800         bitfields.
10801         * c.opt (Wpacked-bitfield-compat): New warning option.
10802         * stor-layout.c (place_field): Warn if offset of a field changed.
10803         * doc/extend.texi (packed): Mention the ABI change.
10804         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10805         (Warning Options): Add it to the list.
10806
10807 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10808
10809         * c-opts.c (c_common_post_options): Fix a typo in comments.
10810
10811 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10812
10813         PR middle-end/38615
10814         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10815         variables to static.
10816         * doc/invoke.texi (-fmerge-all-constants): Update description.
10817
10818 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10819
10820         PR target/38931
10821         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10822         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10823
10824 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10825
10826         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10827         a word boundary.
10828         (LOCAL_ALIGNMENT): Similarly.
10829
10830 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10831             Joseph Myers  <joseph@codesourcery.com>
10832
10833         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10834         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10835         * config/arm/arm-tune.md: Regenerate.
10836         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10837         -march=iwmmxt2.
10838
10839 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10840
10841         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10842         version number to five.
10843
10844 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10845
10846         PR c++/38930
10847         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10848         * c-common.c (set_underlying_type): Likewise.
10849         (is_typedef_decl ): Likewise
10850         * tree.h: Likewise
10851         (set_underlying_type): Likewise.
10852         (is_typedef_type): Likewise.
10853
10854 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10855
10856         PR middle-end/38587
10857         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10858         crossing setjmps.
10859
10860 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10861
10862         PR bootstrap/37660
10863         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10864         (LIBGCC_SPEC):  Don't define.
10865         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10866
10867 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10868
10869         PR rtl-optimization/38879
10870         * alias.c (base_alias_check): Unaligned access via AND address can
10871         alias all surrounding object types except those with sizes equal
10872         or wider than the size of unaligned access.
10873
10874 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10875
10876         PR c++/26693
10877         * c-decl.c (clone_underlying_type): Move this ...
10878         * c-common.c (set_underlying_type): ... here.
10879         Also, make sure the function properly sets TYPE_STUB_DECL() on
10880         the newly created typedef variant type.
10881         (is_typedef_decl ): New entry point.
10882         * tree.h: Added a new member member_types_needing_access_check to
10883         struct tree_decl_non_common.
10884         (set_underlying_type): New entry point.
10885         (is_typedef_type): Likewise.
10886
10887 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10888
10889         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10890         Check whether two instructions have memory references that
10891         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10892         are helper functions for traversing.
10893         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10894         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10895         not to draw dependency edge for instructions with non-conflicting
10896         alias sets.
10897
10898 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10899
10900         PR other/38758
10901         * longlong.h: Update copyright years.  Use soft-fp license notice.
10902         Sync __clz_tab declaration with glibc.
10903
10904 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10905
10906         PR target/30687
10907         * doc/extend.texi (syscall_linkage): New.
10908         (version_id): Modify.
10909
10910 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10911             Richard Guenther  <rguenther@suse.de>
10912
10913         PR tree-optimization/38747
10914         PR tree-optimization/38748
10915         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10916         conversion if the base address is an indirect reference and the
10917         aliasing sets could cause issues.
10918
10919 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10920
10921         * common.opt (fgraphite, fgraphite-identity): Add comment for
10922         explaining why these options are not documented.
10923
10924 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10925
10926         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10927         gimple_call_lhs is NULL.
10928
10929 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10930
10931         PR target/38868
10932         * emit-rtl.c (adjust_address_1): Make sure memref is never
10933         overwritten.
10934
10935 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10936
10937         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10938         const qualifier from arg parameter. Remove unnecessary cast to char *.
10939         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10940         const qualifier from arg 2.
10941
10942 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10943
10944         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10945
10946 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10947
10948         PR c/38869
10949         * rtl.h (reinit_regs): New prototype.
10950         * regclass.c: Include ira.h.
10951         (reinit_regs): New.
10952         * Makefile.in (regclass.o): Add ira.h.
10953         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10954
10955 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10956
10957         PR target/38736
10958         * c-common.c (handle_aligned_attribute): Use
10959         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10960         default alignment value.
10961
10962         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10963
10964         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10965         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10966
10967         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10968         __BIGGEST_ALIGNMENT__.
10969
10970         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10971
10972 2009-01-18  Richard Guenther  <rguenther@suse.de>
10973
10974         PR tree-optimization/38819
10975         * tree-flow.h (operation_could_trap_helper_p): Declare.
10976         * tree-eh.c (operation_could_trap_helper_p): Export.
10977         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10978         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10979         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10980         are about to insert a possibly trapping instruction and fail
10981         in this case.
10982
10983 2009-01-18  Andreas Schwab  <schwab@suse.de>
10984
10985         * doc/install.texi (Configuration): Remove obsolete paragraph
10986         about use of --with-gnu-ld with --with-gnu-as.
10987
10988 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10989
10990         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10991         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10992         Follow spelling conventions.
10993
10994 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10995
10996         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10997         C++ warning about implicit conversion from void * to struct
10998         bitmap_head_def *.
10999         (bitmap_obstack_free): Likewise for bitmap_element *.
11000         * Makefile.in (bitmap.o-warn): Remove.
11001
11002 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11003
11004         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11005
11006 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11007             Tobias Grosser  <tobi.grosser@amd.com>
11008
11009         * graphite.c (graphite_trans_scop_block): Do not block single
11010         nested loops.
11011
11012 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11013
11014         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11015         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11016         test with assertion.
11017
11018 2009-01-16  Richard Guenther  <rguenther@suse.de>
11019
11020         PR tree-optimization/38835
11021         PR middle-end/36227
11022         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11023         and INT + PTR -> (INT)(PTR p+ INT) folding.
11024         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11025
11026 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11027
11028         PR target/38554
11029         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11030         the subreg from a lowpart subreg if it is also casting the value.
11031
11032 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11033             Tobias Grosser  <tobi.grosser@amd.com>
11034
11035         * graphite.c (compare_prefix_loops): New.
11036         (build_scop_canonical_schedules): Rewritten.
11037         (graphite_transform_loops): Move build_scop_canonical_schedules
11038         after build_scop_iteration_domain.
11039
11040 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11041             Tobias Grosser  <tobi.grosser@amd.com>
11042
11043         * graphite.c (add_conditions_to_domain): Add the loops to
11044         the dimension of the iteration domain.  Do copy the domain
11045         only when it exists.
11046         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11047         (add_conditions_to_constraints): New.
11048         (can_generate_code_stmt, can_generate_code): Removed.
11049         (gloog): Do not call can_generate_code.
11050         (graphite_transform_loops): Call add_conditions_to_constraints
11051         after building the iteration domain.
11052
11053 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11054
11055         PR tree-optimization/38789
11056         * tree-ssa-threadedge.c
11057         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11058         __builtin_constant_p.
11059
11060 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11061
11062         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11063         examined before deleting them.
11064
11065 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11066
11067         * function.c (aggregate_value_p): Correctly extract the function
11068         type from CALL_EXPR_FN lookup.
11069
11070 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11071
11072         * config/picochip/picochip.c (picochip_override_options): Revert
11073         CFI asm flag disable commited previously.
11074
11075 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11076             Tobias Grosser  <tobi.grosser@amd.com>
11077             Jan Sjodin  <jan.sjodin@amd.com>
11078
11079         * graphite.c (scan_tree_for_params): On substractions negate
11080         all the coefficients of the term.
11081         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11082         of more than two operands.
11083         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11084         (get_vdef_before_scop): Handle also the case of default definitions.
11085
11086 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11087
11088         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11089         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11090         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11091
11092 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11093             Joey Ye  <joey.ye@intel.com>
11094
11095         PR middle-end/37843
11096         * cfgexpand.c (expand_stack_alignment): Don't update stack
11097         boundary nor check incoming stack boundary here.
11098         (gimple_expand_cfg): Update stack boundary and check incoming
11099         stack boundary here.
11100
11101 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11102
11103         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11104
11105 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11106
11107         PR rtl-optimization/38245
11108         * calls.c (expand_call): Add stack arguments to
11109         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11110         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11111         in regs and partially in memory or BLKmode arguments.
11112         (emit_library_call_value_1): Add stack arguments to
11113         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11114         ACCUMULATE_OUTGOING_ARGS).
11115         * dce.c: Include tm_p.h.
11116         (find_call_stack_args): New function.
11117         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11118         argument.
11119         (mark_insn): Call find_call_stack_args for CALL_Ps.
11120         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11121         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11122         down to deletable_insn_p, don't mark stores set in arg_stores
11123         bitmap, clear the bitmap at the beginning of each bb.
11124         * Makefile.in (dce.o): Depend on $(TM_P_H).
11125
11126 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11127
11128         PR target/22599
11129         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11130         to make sure the insn is a conditional test (bug 22599).  Reformat a
11131         few long lines.
11132
11133 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11134
11135         PR middle-end/38431
11136         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11137         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11138         (gloog): Do not call cleanup_tree_cfg.
11139         (graphite_transform_loops): Call cleanup_tree_cfg after all
11140         scops have been code generated.
11141
11142 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11143         * doc/gty.texi (Invoking the garbage collector): Added new node
11144         and section documenting ggc_collect.
11145
11146 2009-01-14  Richard Guenther  <rguenther@suse.de>
11147
11148         PR tree-optimization/38826
11149         PR middle-end/38477
11150         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11151         initialization notes only if we actually emitted a warning.
11152         (intra_create_variable_infos): Add constraints for a result decl
11153         that is passed by hidden reference.
11154         (build_pred_graph): Mark all related variables non-direct on
11155         address-taking.
11156
11157 2009-01-14  Nick Clifton  <nickc@redhat.com>
11158
11159         * ira-conflicts.c: Include addresses.h for the definition of
11160         base_reg_class.
11161         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11162         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11163
11164 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11165
11166         PR target/38811
11167         * Makefile.in (ira-lives.o): Add except.h.
11168
11169         * ira-lives.c: Include except.h.
11170         (process_bb_node_lives): Process can_throw_internal.
11171
11172 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11173
11174         PR rtl-optimization/38774
11175         * combine.c (simplify_set): When undoing cc_use change, don't do
11176         PUT_CODE on the newly created comparison, but instead put back the
11177         old comparison.
11178
11179 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11180
11181         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11182         values.  Remove duplicate arm8 entry.
11183
11184 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11185
11186         PR tree-optimization/38786
11187         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11188         the SSA_NAME case of expand_scalar_variables_expr.
11189         Set the type of an expression to the type of its assign statement.
11190         (expand_scalar_variables_expr): Also gather the scalar computation
11191         used to index the memory access.  Do not pass loop_p.
11192         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11193         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11194         the gimple_stmt_iterator where it inserts new code.
11195         Do not pass loop_p.
11196         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11197         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11198
11199 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11200
11201         * graphite.h (debug_value): Removed.
11202         * graphite.c (debug_value): Removed.
11203
11204 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11205
11206         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11207         ldrd/strd with two 32-bit instructions.
11208
11209 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11210
11211         * config/arm/arm.c (struct processors): Pass for speed down into
11212         cost helper functions.
11213         (const_ok_for_op): Handle COMPARE and inequality nodes.
11214         (arm_rtx_costs_1): Rewrite.
11215         (arm_size_rtx_costs): Update prototype.
11216         (arm_rtx_costs): Pass speed down to helper functions.
11217         (arm_slowmul_rtx_costs): Rework cost calculations.
11218         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11219         (arm_9e_rtx_costs): Likewise.
11220
11221 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11222
11223         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11224         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11225         (alpha_legitimize_address): Do not split local symbols wider than
11226         UNITS_PER_WORD into HIGH/LO_SUM parts.
11227
11228 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11229
11230         PR bootstrap/38580
11231         * gcc.c (process_command): Replace call to execvp with calls
11232         to pex_one and exit.
11233
11234 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11235
11236         PR target/29141
11237         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11238         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11239         variant for devices with 3-byte PC.
11240         (__tablejump_elpm__): New.
11241
11242 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11243
11244         PR c/32041
11245         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11246         offsetof member-designator, handle it as `[0].'.
11247
11248 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11249
11250         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11251         function when not using named sections on targets with named sections
11252         if branch distance is less than 262132.
11253
11254 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11255
11256         * combine.c (combine_instructions):  Recompute
11257         optimize_this_for_speed_p  for each BB in the main combine loop.
11258
11259 2009-01-12  Tomas Bily  <tbily@suse.cz>
11260
11261         PR middlend/38385
11262         * tree-loop-distribution.c (prop_phis): New function.
11263         (generate_builtin): Call prop_phis.
11264         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11265
11266 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11267
11268         PR tree-optimization/38807
11269         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11270         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11271
11272 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11273
11274         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11275         subreg of op0 to the original op0.
11276
11277 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11278
11279         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11280
11281 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11282
11283         PR debug/7055
11284         * mips-tfile.c (parse_def): Fix parsing of def strings
11285         starting with digits.
11286
11287 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11288
11289         PR target/38695
11290         * config/arm/arm.c (arm_is_long_call_p): Don't call
11291         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11292
11293 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11294
11295         * regrename.c (regrename_optimize): Fix dumping.
11296         (find_oldest_value_reg): Preserve REG_POINTER.
11297         (copy_hardreg_forward_1): Likewise.
11298
11299 2009-01-09  Diego Novillo  <dnovillo@google.com>
11300
11301         * gimple.h (struct gimple_statement_base) <uid>: Document
11302         the restrictions on its use.
11303         (gimple_uid): Tidy.
11304         (gimple_set_uid): Tidy.
11305
11306 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11307
11308         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11309         zero guard even if align_bytes != 0 and count is smaller than
11310         size_needed.
11311
11312 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11313
11314         PR rtl-optimization/38495
11315         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11316         (add_range_and_copies_from_move_list): Print all added ranges.
11317         Add ranges to memory optimized destination.
11318
11319 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11320
11321         PR target/38686
11322         PR target/38708
11323         * config/i386/i386.c (override_options): Reject
11324         -mstringop-strategy=rep_8byte with -m32.
11325         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11326         to 1.  Do count comparison against epilogue_size_needed at compile
11327         time even when count_exp was constant forced into register.  For
11328         size_needed don't jump to epilogue, instead just avoid aligning
11329         and invoke the body algorithm.  If need_zero_guard, add zero guard
11330         even if count is non-zero, but smaller than size_needed + number of
11331         bytes that could be stored for alignment.
11332         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11333         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11334         but smaller than size_needed + number of bytes that could be stored
11335         for alignment.  Compare size_needed with epilogue_size_needed instead
11336         of desired_align - align, don't adjust size_needed, pass
11337         epilogue_size_needed to the epilogue expanders.
11338
11339         PR c/35742
11340         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11341
11342 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11343
11344         * pa.c (last_address): Change to unsigned.
11345         (update_total_code_bytes): Change argument to unsigned.  Don't
11346         check if insn addresses are set.
11347         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11348         addresses are not set.
11349         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11350
11351 2009-01-09  Nick Clifton  <nickc@redhat.com>
11352
11353         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11354         DECL_DECLARED_INLINE_P.
11355
11356 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11357
11358         PR middle-end/38347
11359         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11360         GET_MODE (op0) in operand_subword_force calls.
11361
11362         PR middle-end/38771
11363         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11364         fold_convert arg0 operands to TREE_TYPE (op0) first.
11365
11366 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11367
11368         * params.def (ira-max-conflict-table-size): Decrease default value
11369         to 1000.
11370
11371 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11372
11373         PR tree-optimization/37031
11374         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11375         on parameter_set.
11376         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11377         allocate it using gc instead of heap, use VEC_quick_push instead of
11378         VEC_safe_push.
11379         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11380         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11381         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11382         allocated vector from heap allocated.
11383         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11384         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11385         vector only after perfect_loop_nest_depth call.
11386
11387 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11388             Jan Sjodin  <jan.sjodin@amd.com>
11389
11390         PR tree-optimization/38559
11391         * graphite.c (debug_value, copy_constraint,
11392         swap_constraint_variables, scale_constraint_variable, ): New.
11393         (get_lower_bound, get_upper_bound): Removed.
11394         (graphite_trans_bb_strip_mine): Clean up this code that works
11395         only for constant number of iterations.  Fully copy upper and
11396         lower bound constraints, not only the constant part of them.
11397         * graphite.h (debug_value): Declared.
11398
11399 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11400
11401         PR tree-optimization/37194
11402         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11403         Don't add the cost of cost model guard in prologue to scalar
11404         outside cost in case of known number of iterations.
11405
11406 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11407             Alan Modra  <amodra@bigpond.net.au>
11408
11409         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11410         non-word-aligned REG+CONST addressing.
11411
11412 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11413
11414         PR target/38706
11415         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11416         free_after_compilation when outputting a thunk.
11417         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11418         Do not call free_after_compilation here.
11419
11420 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11421
11422         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11423         (ix86_valid_target_attribute_inner_p): Ditto.
11424
11425 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11426
11427         PR tree-optimization/38492
11428         PR tree-optimization/38498
11429         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11430         * tree-chrec.h (scev_is_linear_expression): Declared.
11431         * graphite.c (graphite_cannot_represent_loop_niter): New.
11432         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11433         (graphite_loop_normal_form): Use gcc_assert.
11434         (scan_tree_for_params): Use CASE_CONVERT.
11435         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11436         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11437         Use gcc_assert.  Discard scops that contain unhandled cases.
11438         (build_scop_conditions): Return a boolean status for unhandled cases.
11439         (strip_mine_profitable_p): Print the loop number, not its depth.
11440         (is_interchange_valid): Pass the depth of the loop nest, don't
11441         recompute it wrongly.
11442         (graphite_trans_bb_block): Same.
11443         (graphite_trans_bb_block): Print tentative of loop blocking.
11444         (graphite_trans_scop_block): Do not print that the loop has been
11445         blocked.
11446         (graphite_transform_loops): Do not handle scops that contain condition
11447         scalar phi nodes.
11448
11449 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11450
11451         AVX Programming Reference (December, 2008)
11452         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11453         (_mm256_stream_pd): Likewise.
11454         (_mm256_stream_ps): Likewise.
11455
11456         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11457         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11458         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11459         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11460         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11461         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11462         (ix86_expand_special_args_builtin): Likewise.
11463
11464         * config/i386/sse.md (AVXMODEDI): New.
11465         (avx_movnt<mode>): Likewise.
11466         (avx_movnt<mode>): Likewise.
11467         (<sse>_movnt<mode>): Remove AVX support.
11468         (sse2_movntv2di): Likewise.
11469
11470 2009-01-07  Richard Guenther  <rguenther@suse.de>
11471
11472         PR middle-end/38751
11473         * fold-const.c (extract_muldiv): Remove obsolete comment.
11474         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11475         to PLUS_EXPR canonicalization for the canonicalization.
11476
11477 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11478
11479         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11480         hosted cross-compilers generating less efficient code.
11481
11482 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11483
11484         * function.h (rtl_data): Add a dbr_scheduled_p field.
11485         * reorg.c (dbr_schedule): Set it.
11486         (gate_handle_delay_slots): Check it.
11487         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11488         (mips_reorg): Check flag_delayed_branch instead of
11489         mips_base_delayed_branch.
11490         (mips_override_options): Don't set mips_base_delayed_branch
11491         or flag_delayed_branch.
11492
11493 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11494
11495         PR rtl-optimization/38426.
11496         * ira.c (ira): Set current_function_is_leaf earlier.
11497
11498 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11499
11500         PR rtl-optimization/38722
11501         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11502         too early, only set a flag and modify after last possible
11503         undo_all point.
11504
11505 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11506
11507         PR c/34252
11508         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11509         * real.c (decimal_single_format): Correct values of emin and emax.
11510         (decimal_double_format): Ditto.
11511         (decimal_quad_format): Ditto.
11512         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11513         computation of DECnn_MIN and DECnn_MAX for corrected values of
11514         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11515         __DECnn_MIN__, and adjust its computation for the corrected value
11516         of emin.
11517
11518 2009-01-06  Jan Hubicka  <jh@suse.cz>
11519
11520         PR target/38744
11521         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11522
11523 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11524
11525         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11526         Add Robert Clark to the list of testers.
11527
11528 2009-01-06  Jan Hubicka  <jh@suse.cz>
11529             Kai Tietz  <kai.tietz@onevision.com>
11530
11531         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11532         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11533
11534 2009-01-06  Jan Hubicka  <jh@suse.cz>
11535             Kai Tietz  <kai.tietz@onevision.com>
11536
11537         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11538         for w64 ABI.
11539         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11540         (ix86_nsaved_regs): Count only general purpose regs.
11541         (ix86_nsaved_sseregs): New.
11542         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11543         to 16 for w64; compute padding and size of sse reg save area.
11544         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11545         general purpose regs.
11546         (ix86_emit_save_sse_regs_using_mov): New.
11547         (ix86_expand_prologue): Save SSE regs if needed.
11548         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11549         (ix86_emit_restore_sse_regs_using_mov): New.
11550         (ix86_expand_epilogue): Save SSE regs if needed.
11551
11552 2009-01-06  Jan Hubicka  <jh@suse.cz>
11553             Kai Tietz  <kai.tietz@onevision.com>
11554
11555         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11556         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11557         functions when accumulate outgoing args is off.
11558
11559 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11560
11561         PR bootstrap/38742
11562         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11563         before using pseudos_have_intersected_live_ranges_p.
11564
11565         * ira-int.h (ira_assert): Always define.
11566
11567 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11568
11569         AVX Programming Reference (December, 2008)
11570         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11571         (_mm256_permute2_pd): Likewise.
11572         (_mm_permute2_ps): Likewise.
11573         (_mm256_permute2_ps): Likewise.
11574         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11575         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11576
11577         * config/i386/i386.c (ix86_builtins): Remove
11578         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11579         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11580         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11581         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11582         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11583         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11584         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11585         __builtin_ia32_vpermil2ps256.
11586         (ix86_init_mmx_sse_builtins): Updated.
11587         (ix86_expand_args_builtin): Likewise.
11588
11589 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11590
11591         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11592         long absolute calls when generating PA 2.0 code.
11593
11594 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11595
11596         PR rtl-optimization/38583
11597         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11598
11599         * params.def (ira-max-conflict-table-size): New.
11600
11601         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11602
11603         * ira.h (ira_conflicts_p): New external definition.
11604
11605         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11606         table.  Report this.  Return result of building.
11607         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11608         building conflict table.
11609
11610         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11611         (ira_color): Use ira_conflicts_p.
11612
11613         * global.c: Include ira.h.
11614         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11615         ira_conflicts_p.
11616
11617         * Makefile.in (global.o): Add ira.h.
11618
11619         * ira-build.c (mark_all_loops_for_removal,
11620         propagate_some_info_from_allocno): New.
11621         (remove_unnecessary_allocnos): Call
11622         propagate_some_info_from_allocno.
11623         (remove_low_level_allocnos): New.
11624         (remove_unnecessary_regions): Add parameter.  Call
11625         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11626         parameter to remove_unnecessary_regions.
11627         (ira_build): Remove all regions but root if the conflict table was
11628         not built.  Update conflict hard regs for allocnos crossing calls.
11629
11630         * ira.c (ira_conflicts_p): New global.
11631         (ira): Define and use ira_conflicts_p.
11632
11633         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11634         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11635         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11636
11637 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11638
11639         * gengtype-lex.l (YY_NO_INPUT): Define.
11640
11641 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11642
11643         PR c/34911
11644         * c-common.c (handle_vector_size_attribute): Also reject
11645         BOOLEAN_TYPE types.
11646
11647 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11648
11649         PR tree-optimization/38492
11650         * graphite.c (rename_map_elt, debug_rename_elt,
11651         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11652         rename_map_elt_info, eq_rename_map_elts,
11653         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11654         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11655         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11656         (sese_build_livein_liveouts): New.
11657         (new_sese, free_sese): New.
11658         (new_scop): Call new_sese.
11659         (free_scop): Call free_sese.
11660         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11661         (register_old_new_names): Renamed register_old_and_new_names.
11662         (register_scop_liveout_renames, add_loop_exit_phis,
11663         insert_loop_close_phis, struct igp,
11664         default_liveout_before_guard, add_guard_exit_phis,
11665         insert_guard_phis, copy_renames): New.
11666         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11667         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11668         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11669         (scop_adjust_phis_for_liveouts): New.
11670         (gloog): Call scop_adjust_phis_for_liveouts.
11671
11672         * graphite.h (struct sese): Documented.  Added fields liveout,
11673         num_ver and livein.
11674         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11675         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11676         (struct scop): Added field liveout_renames.
11677         (SCOP_LIVEOUT_RENAMES): New.
11678
11679 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11680
11681         PR tree-optimization/38510
11682         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11683         (translate_clast): Call recompute_all_dominators before
11684         graphite_verify.
11685         (gloog): Call recompute_all_dominators before graphite_verify.
11686
11687 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11688             Jan Sjodin  <jan.sjodin@amd.com>
11689
11690         PR tree-optimization/38500
11691         * graphite.c (create_sese_edges): Call fix_loop_structure after
11692         splitting blocks.
11693
11694 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11695
11696         * config.gcc: Add m32r*-*-rtems*.
11697         * config/m32r/rtems.h: New file.
11698
11699 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11700
11701         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11702         (.po.pox): Likewise.
11703         (po/gcc.pot): Likewise.
11704
11705 2009-01-04  David S. Miller  <davem@davemloft.net>
11706
11707         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11708         (STARTING_FRAME_OFFSET): Always set to zero.
11709
11710 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11711
11712         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11713         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11714         fixed-point types, and vectors of the same.
11715
11716 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11717
11718         * config/mips/sync.md (*mb_barrier): Rename to...
11719         (*memory_barrier): ...this.
11720
11721 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11722
11723         * doc/extend.texi (Function Attributes): Move @cindex after @item
11724         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11725         and put in alphabetical order. Fix 'target' name and put in order.
11726         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11727         typos.
11728
11729 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11730
11731         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11732         (memory_barrier): Expand as unspec instead of unspec_volatile.
11733         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11734         (*memory_barrier): Define as unspec instead of unspec_volatile.
11735         Use (match_dup 0) as input operand.
11736
11737         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11738         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11739         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11740         scratch register.  Remove operand 1.
11741         (*stbar): Define as unspec instead of unspec_volatile.
11742         Use (match_dup 0) as input operand, remove (const_int 8).
11743         (*membar): Define as unspec instead of unspec_volatile.
11744         Use (match_dup 0) as input operand, remove input operand 2.
11745
11746         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11747         (memory_barrier): Expand as unspec instead of unspec_volatile.
11748         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11749         (*memory_barrier): Define as unspec instead of unspec_volatile.
11750         Use (match_dup 0) as input operand.
11751
11752         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11753         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11754         Set volatile flag on operand 0.
11755         (*memory_barrier): New insn pattern.
11756
11757         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11758         insn operands.
11759         (*memory_barrier): Use (match_dup 0) as input operand.
11760
11761         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11762         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11763         Set volatile flag on operand 0.
11764         (*mb_internal): New insn pattern.
11765
11766         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11767
11768 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11769
11770         PR middle-end/38586
11771         * function.c (struct temp_slot): Move to the section of the file
11772         that deals with temp slots.  Remove field 'address'.
11773         (temp_slot_address_table): New hash table of address -> temp slot.
11774         (struct temp_slot_address_entry): New struct, items for the table.
11775         (temp_slot_address_compute_hash, temp_slot_address_hash,
11776         temp_slot_address_eq, insert_temp_slot_address): Support functions
11777         for the new table.
11778         (find_temp_slot_from_address): Rewrite to use the new hash table.
11779         (remove_unused_temp_slot_addresses): Remove addresses of temp
11780         slots that have been made available.
11781         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11782         worker function for remove_unused_temp_slot_addresses.
11783         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11784         Add the temp slot address to the address -> temp slot map.
11785         (update_temp_slot_address): Update via insert_temp_slot_address.
11786         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11787         (pop_temp_slots): Likewise.
11788         (init_temp_slots): Allocate the address -> temp slot map, or empty
11789         the map if it is already allocated.
11790         (prepare_function_start): Initialize temp slot processing.
11791
11792 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11793
11794         PR middle-end/38584
11795         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11796         Calculate the size of all stack vars assuming no packing of stack
11797         vars will happen, replacing a quadratic algorithm with a linear one.
11798
11799 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11800
11801         PR target/38707
11802         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11803         can't be used.
11804
11805 2009-01-03  Diego Novillo  <dnovillo@google.com>
11806
11807         * doc/contrib.texi: Update contributions.
11808
11809 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11810
11811         PR c++/38705
11812         * builtins.c (fold_builtin_memory_op): Give up if either operand
11813         is volatile.  Set srctype or desttype to non-qualified version
11814         of the other type.
11815
11816         PR c/38700
11817         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11818         and FUNCTION_DECLs.
11819
11820 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11821
11822         PR rtl-optimization/35805
11823         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11824         problem if fast dce is able to remove any instructions.
11825         * dce.c (dce_process_block): Fix dump message.
11826
11827 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11828
11829         PR 33649
11830         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11831
11832 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11833
11834         PR middle-end/38690
11835         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11836         * tree-pretty-print.c (op_code_prio): New function.
11837         (op_prio): No longer static.  Use op_code_prio.
11838         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11839         Use op_prio and op_code_prio to determine if () should be
11840         printed around operand(s) or not.
11841
11842         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11843         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11844         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11845         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11846         pp_character instead of pp_string for single letter printing.
11847
11848 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11849
11850         * doc/extend.texi: Fix '#pragma GCC option' typo.
11851
11852 2009-01-02  Richard Guenther  <rguenther@suse.de>
11853
11854         * doc/install.texi (--enable-checking): Mention different
11855         default for stage1.
11856         (--enable-stage1-checking): Document.
11857
11858 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11859
11860         PR middle-end/30142
11861         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11862         case to be an error.
11863
11864 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11865
11866         * config/fp-bit.h (pack_d): Constify argument.
11867         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11868         (isnan): Constify argument.
11869         (isinf): Likewise.
11870         (iszero): Likewise.
11871         (pack_d): Likewise.
11872         (_fpadd_parts): Constify return type.
11873         (_fpmul_parts): Likewise.
11874         (_fpdiv_parts): Likewise.
11875
11876 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11877
11878         PR c/36489
11879         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11880         warn about overwriting initializer with side-effects or
11881         -Woverride-init if !IMPLICIT.
11882         (output_init_element): Likewise.  Pass IMPLICIT down to
11883         add_pending_init.
11884         (process_init_element): Add IMPLICIT argument.  Pass it down
11885         to output_init_element.
11886         (push_init_element, pop_init_level, set_designator): Adjust
11887         process_init_element callers.
11888         (set_nonincremental_init, set_nonincremental_init_from_string):
11889         Adjust add_pending_init callers.
11890         (output_pending_init_elements): Adjust output_init_element callers.
11891         * c-tree.h (process_init_element): Adjust prototype.
11892         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11893         process_init_element callers.
11894
11895 \f
11896 Copyright (C) 2009 Free Software Foundation, Inc.
11897
11898 Copying and distribution of this file, with or without modification,
11899 are permitted in any medium without royalty provided the copyright
11900 notice and this notice are preserved.